阅读说明：本技术 视力障碍腹膜透析患者换液操作辅助装置及其操作方法 (Auxiliary device for liquid changing operation of vision-disorder peritoneal dialysis patient and operation method thereof ) 是由 涂文婷 陈朝生 赖美霞 徐驿 陈秀君 于 2021-07-12 设计创作，主要内容包括：本发明涉及腹膜透析技术领域,具体为视力障碍腹膜透析患者换液操作辅助装置及其操作方法,包括梯形壳体,梯形壳体顶部的左右两侧设有对称分布的导轨,两个导轨之间活动连接有挤压辊,梯形壳体内设有梯形盒体,梯形盒体顶部的中部设有CCD相机,梯形壳体内且位于梯形盒体前侧的位置设有积水槽,积水槽内壁的底部设有水浸传感器,梯形壳体的底部设有固定机构,固定机构包括底座,底座的前侧通过绳子连接有换液校准机构。患者通过多种检测方式对腹膜透析液进行检测,从而判断出该腹膜透析液质量是否可以安全使用,通过设置的换液校准机构,可以让患者完成外接短管与腹膜透析液袋连接管的接头精准对接,也可以使碘液微型盖与外接短管接头精准对接,从而使患者可以独立完成腹透换液操作。(The invention relates to the technical field of peritoneal dialysis, in particular to a vision-impaired peritoneal dialysis patient liquid exchange operation auxiliary device and an operation method thereof. The patient detects the peritoneal dialysis solution through multiple detection mode to judge whether this peritoneal dialysis solution quality can the safe handling, through the liquid calibration mechanism that trades that sets up, can let the patient accomplish the accurate butt joint of external nozzle stub and peritoneal dialysis solution bag connecting pipe, also can make the miniature lid of iodine solution and the accurate butt joint of external nozzle stub coupling, thereby make the patient independently accomplish the peritoneal dialysis and trade the liquid operation.)

1. Visual disorder peritoneal dialysis patient trades liquid operation auxiliary device, its characterized in that: the LED packaging box comprises a trapezoidal shell (1), wherein the rear end of the top of the trapezoidal shell (1) is higher than the front end, guide rails (10) which are symmetrically distributed are arranged on the left side and the right side of the top of the trapezoidal shell (1), an extrusion roller (7) is movably connected between the two guide rails (10), a fixed vertical plate (11) is arranged on the rear side of the trapezoidal shell (1) and in the middle of the top of the trapezoidal shell, a fixed mounting plate (110) is arranged on the top of the front side of the fixed vertical plate (11) in a downward inclining manner, an LED light source (4) is arranged on the bottom of the fixed mounting plate (110) and close to the front end of the fixed mounting plate, a trapezoidal box body (2) is arranged in the trapezoidal shell (1), the top of the trapezoidal box body (2) and the top of the trapezoidal shell (1) are arranged in parallel, a CCD camera (3) is arranged in the middle of the top of the trapezoidal box body (2), and the CCD camera (3) and the LED light source (4) are arranged oppositely, a water accumulation groove (5) is arranged in the trapezoidal shell (1) and positioned on the front side of the trapezoidal box body (2), a water sensor (6) is arranged at the bottom of the inner wall of the water accumulation groove (5), a single chip microcomputer is arranged in the trapezoidal box body (2), a data line is connected to the rear side of the trapezoidal shell (1), one end of the data line is electrically connected with the CCD camera (3), one end of the data line, which is far away from the CCD camera (3), is connected with a video acquisition card (14), the video acquisition card (14) is connected with a computer host (15) through another data line, the computer host (15) is electrically connected with an alarm (16) through a wire, a first pressing type switch button (18) and a second pressing type switch button (12) are sequentially arranged at the middle part of the right side of the trapezoidal shell (1) from top to bottom, a buzzer (13) is embedded in the left side of the trapezoidal shell (1), the bottom of the trapezoidal shell (1) is provided with a fixing mechanism (8), the fixing mechanism (8) comprises a base (80), the front side of the base (80) is connected with a liquid changing calibration mechanism (9) through a rope (17), the liquid changing calibration mechanism (9) comprises a guide plate (90), a T-shaped track (900) is arranged on the surface of the guide plate (90) and close to the left side of the guide plate, first right rectangular sliding blocks (93) are connected in the vertical track of the T-shaped track (900) and close to the two ends of the T-shaped track in a sliding manner, the top of each first right rectangular sliding block (93) positioned in front is provided with a first sliding block (91), the top of each first sliding block (91) is provided with a first clamping groove (910) matched with the outer diameter of a Y-shaped joint of a peritoneal dialysis liquid connecting pipe, and the top of each first right rectangular sliding block (93) positioned in rear is provided with a third sliding block (95), the utility model discloses a portable iodine solution micro-cap, including the handheld portion of iodine solution mini-cap, the top of third slider (95) is seted up and is had third draw-in groove (950) with the handheld portion external diameter looks adaptation of iodine solution, the surface of deflector (90) and the position that is close to the right side have seted up "L" font track (901), "L" font track (901) sliding connection has the positive rectangle slider of second (94) in, "L" font track (901), the top of the positive rectangle slider of second (94) is equipped with second slider (92), second draw-in groove (920) with the external short pipe joint handheld portion external diameter looks adaptation are seted up at the top of second slider (92).

2. The vision impairment peritoneal dialysis patient fluid exchange operation auxiliary device according to claim 1, characterized in that: the two ends of the squeezing roller (7) are provided with rotating shafts (70) which are symmetrically distributed, the end parts of the rotating shafts (70) penetrate through the guide rail (10) and are rotatably connected with handheld rods (700), and the outer diameters of the handheld rods (700) are larger than the height of the guide rail (10).

3. The vision impairment peritoneal dialysis patient fluid exchange operation auxiliary device according to claim 2, characterized in that: the outer diameter of the rotating shaft (70) is smaller than the distance between the upper side and the lower side of the inner wall of the guide rail (10).

4. The vision impairment peritoneal dialysis patient fluid exchange operation auxiliary device according to claim 2, characterized in that: the bottom of the inner wall of the guide rail (10) is provided with a positioning groove (100) at a position close to the rear side, and the distance between two sides of the inner wall of the positioning groove (100) is larger than the outer diameter of the rotating shaft (70).

5. The vision impairment peritoneal dialysis patient fluid exchange operation auxiliary device according to claim 1, characterized in that: the water immersion sensor (6), the buzzer (13) and the first pressing type switch button (18) are electrically connected with the single chip microcomputer through conducting wires respectively.

6. The vision impairment peritoneal dialysis patient fluid exchange operation auxiliary device according to claim 1, characterized in that: the CCD camera (3) and the LED light source (4) are respectively electrically connected with the second pressing type switch button (12) through leads.

7. The vision impairment peritoneal dialysis patient fluid exchange operation auxiliary device according to claim 1, characterized in that: the bottom of the base (80) is provided with an anti-skid rubber pad.

8. The vision impairment peritoneal dialysis patient fluid exchange operation auxiliary device according to claim 1, characterized in that: the top of base (80) and the position that is close to the rear side are equipped with symmetric distribution's fixed block (81), trapezoidal casing (1) rotates to be connected in two between fixed block (81), the top of base (80) and the position that is close to the front side are equipped with bar rubber slab (82), work as when trapezoidal casing (1) is located horizontal position, the bottom of trapezoidal casing (1) is laminated with the top of bar rubber slab (82) mutually.

9. The vision impairment peritoneal dialysis patient fluid exchange operation auxiliary device according to claim 1, characterized in that: the end part of a transverse track in the T-shaped track (900) and the left end of the L-shaped track (901) are positioned on the same straight line, a first limiting plate (930) is arranged at the bottom of the first regular rectangular sliding block (93), and a second limiting plate (940) is arranged at the bottom of the second regular rectangular sliding block (94).

10. An operation method of a liquid change operation assisting device for a vision-impaired peritoneal dialysis patient, comprising the liquid change operation assisting device for a vision-impaired peritoneal dialysis patient according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:

s1: the method comprises the following steps that a patient firstly touches braille on a peritoneal dialysis solution bag by hands to obtain the effective period and concentration information of the peritoneal dialysis solution, and the quality of the peritoneal dialysis solution is primarily judged;

s2: when the validity period and the concentration of the peritoneal dialysis solution are not problematic, a patient starts a first pressing type switch button (18), then moves the squeezing roller (7) upwards by hands to enable the rotating shaft (70) of the squeezing roller (7) to move out of the positioning groove (100), then drives the squeezing roller (7) to roll downwards by two handheld rods (700), squeezes the peritoneal dialysis solution bag by slight force in the rolling process until the squeezing roller (7) moves to the bottom end of the guide rail (10), at the moment, if a buzzer (13) is not sounded, the peritoneal dialysis solution bag is complete and has no leakage, the peritoneal dialysis solution bag can be used, otherwise, the peritoneal dialysis solution bag cannot be used, then the squeezing roller (7) moves upwards to reset, and the first pressing type switch button (18) is closed;

s3: the patient opens the second push type switch button (12), and lifts the bottom of the front side of the trapezoidal shell (1) upwards by hand, so that the trapezoidal shell (1) rotates upwards for a certain distance and then resets, in the process, the liquid medicine in the peritoneal dialysis solution bag shakes, the CCD camera (3) shoots images of the liquid medicine, the data are processed by the video acquisition card (14) and then are conveyed to the computer host (15), and after the analysis and judgment of the computer host (15), if the liquid medicine contains impurities or is in a turbid state, the alarm (16) is controlled to sound, otherwise, the peritoneal dialysis solution is clear and transparent and can be used without impurities;

s4: after confirming that the peritoneal dialysis solution can be used by a patient, hanging a peritoneal dialysis solution bag, then clamping a Y-shaped joint of a connecting pipe of the peritoneal dialysis solution bag with a first clamping groove (910) of a first sliding block (91), then clamping a handheld part on an external short pipe with a second clamping groove (920) of a second sliding block (92), then removing a protective pull ring on the connecting pipe joint by the right hand of the patient, removing an iodine solution miniature cover on the external short pipe by the left hand, discarding, then respectively holding the first sliding block (91) by the thumb and the forefinger of the left hand, holding the second sliding block (92) by the thumb and the forefinger of the right hand, driving the first sliding block (91) to move to the middle part of the guide plate (90) along a T-shaped track (900) by the left hand, driving the second sliding block (92) to move to the middle part of the guide plate (90) along an L-shaped track (901) by the right hand, and accurately butting and screwing the Y-shaped joint of the connecting pipe with the external short pipe, thereby completing the step of connecting the pipes;

s5: then taking out the Y-shaped joint of the connected connecting pipe and the joint of the external short pipe from the first clamping groove (910) and the second clamping groove (920), and then carrying out the steps of drainage, flushing, exhausting and filling; after the peritoneal dialysis solution is filled, the Y-shaped joint of the connecting pipe and the joint of the external short pipe are placed back into the first clamping groove (910) and the second clamping groove (920) again, the quality of the new iodine solution micro cover is checked to meet the requirements, the packaging bag is disassembled, the iodine solution micro cover is taken out, the opening is placed rightwards into the third clamping groove (950), the Y-shaped joint of the connecting pipe and the joint of the external short pipe are separated, the first sliding block (91) is held by the left hand to return to the initial position, then the third sliding block (95) is held by the left hand, the iodine solution micro cover moves towards the middle part of the guide plate (90) along the T-shaped track, and the new iodine solution micro cover is completely matched with the joint of the external short pipe and is screwed tightly.

Technical Field

The invention relates to the technical field of peritoneal dialysis, in particular to a liquid changing operation auxiliary device for a vision disorder peritoneal dialysis patient and an operation method thereof.

Background

Chronic kidney disease is a common frequently-occurring disease, part of patients will enter terminal kidney disease after a plurality of years, at the moment, kidney substitution treatment is needed, Peritoneal Dialysis (PD) is one of kidney substitution treatment methods, PD refers to that prepared dialysate is regularly and regularly infused into the peritoneal cavity of the patients through a catheter by utilizing the characteristic of peritoneum as a semi-permeable membrane through the action of gravity, and solute on one side with high concentration moves to one side with low concentration due to the concentration gradient difference of the solute on two sides of the peritoneum (diffusion effect); the water moves from the hypotonic side to the hypertonic side (osmosis), and the dialysate in the abdominal cavity is continuously replaced to achieve the purposes of removing the metabolites and toxic substances in the body and correcting the water and electrolyte balance disorder. The peritoneal dialysis is simple to operate, has low equipment requirement and is suitable for home use of patients. Usually, peritoneal dialysis requires four fluid changes a day, and the aseptic technique of PD fluid change operation is very high, otherwise peritonitis can occur, which causes great harm and economic loss to patients, and even serious patients need to quit peritoneal dialysis. Therefore, the industry's choice for PD patients generally requires a good vision and fine-movement of both hands coordinator to be selected.

However, with the change of disease spectrum of end-stage renal disease, the proportion of diabetic patients entering end-stage renal disease is increased year by year, and some diabetic patients have visual deterioration and even blindness due to eye complications. Along with the continuous prolonging of the life of people in China and the increasing of the aging of population, the labor burden of minority families is increased sharply, and in order to help the peritoneal dialysis patients with visual impairment to independently complete the liquid change, the peritoneal dialysis patients with visual impairment have the liquid change operation auxiliary device and the operation method thereof.

Disclosure of Invention

The invention aims to provide a liquid exchange operation auxiliary device for a vision-impaired peritoneal dialysis patient and an operation method thereof, so as to solve the problem that the vision-impaired peritoneal dialysis patient cannot independently complete liquid exchange and can bring huge manpower burden to family members.

In order to achieve the above object, in one aspect, the present invention provides the following technical solutions: the vision disorder peritoneal dialysis patient liquid changing operation auxiliary device comprises a trapezoidal shell, wherein the rear end of the top of the trapezoidal shell is higher than the front end, the left side and the right side of the top of the trapezoidal shell are provided with symmetrically distributed guide rails, an extrusion roller is movably connected between the two guide rails, a fixed vertical plate is arranged at the position of the middle part of the top of the rear side of the trapezoidal shell, a fixed mounting plate is arranged on the downward inclination of the top of the front side of the fixed vertical plate, an LED light source is arranged at the position of the bottom of the fixed mounting plate close to the front end, a trapezoidal box body is arranged in the trapezoidal shell, the top of the trapezoidal box body is parallel to the top of the trapezoidal shell, a CCD camera is arranged at the middle part of the top of the trapezoidal box body, the CCD camera and the LED light source are oppositely arranged, a water accumulation groove is arranged at the position of the front side of the trapezoidal box body in the trapezoidal shell, and a water logging sensor is arranged at the bottom of the inner wall of the water accumulation groove, be equipped with the singlechip in the trapezoidal box body, the rear side of trapezoidal casing is connected with the data line, and the one end of data line with CCD camera electric connection, the one end that the CCD camera was kept away from to the data line is connected with video capture card, video capture card is connected with the main frame through another data line, the main frame has the siren through wire electric connection, the middle part on trapezoidal casing right side is from last to being equipped with first push type shift knob and second push type shift knob down in proper order, the left side of trapezoidal casing inlays and is equipped with bee calling organ, the bottom of trapezoidal casing is equipped with fixing mechanism, fixing mechanism includes the base, the front side of base is connected with through the rope and trades liquid alignment mechanism, trade liquid alignment mechanism and include the deflector, the surface of deflector just is close to left position and has seted up "T" shape track, "T" shape track is just had first positive rectangle to equal sliding connection in the vertical track in the track of "T" shape track and the position that is close to both ends The piece is located the place ahead the top of first positive rectangle slider is equipped with first slider, the first draw-in groove of external diameter looks adaptation that connects with peritoneal dialysis liquid connecting pipe "Y" shape is seted up at the top of first slider, be located the rear the top of first positive rectangle slider is equipped with the third slider, the third draw-in groove with the handheld portion external diameter looks adaptation of iodine solution miniature lid is seted up at the top of third slider, the surface of deflector and the position that is close to the right side have seted up "L" font track, "L" font track sliding connection has the positive rectangle slider of second, the top of the positive rectangle slider of second is equipped with the second slider, the second draw-in groove of external nipple joint handheld portion's external diameter looks adaptation is seted up at the top of second slider.

Preferably, rotation shafts are symmetrically distributed at two ends of the squeezing roller, the end portions of the rotation shafts penetrate through the guide rail and are rotatably connected with handheld rods, and the outer diameters of the handheld rods are larger than the height of the guide rail.

Preferably, the outer diameter of the rotating shaft is smaller than the distance between the upper side and the lower side of the inner wall of the guide rail.

Preferably, the bottom of the inner wall of the guide rail and the position close to the rear side are provided with positioning grooves, and the distance between two sides of the inner wall of each positioning groove is larger than the outer diameter of the rotating shaft.

Preferably, the water sensor, the buzzer and the first push type switch button are electrically connected with the single chip microcomputer through conducting wires respectively.

Preferably, the CCD camera and the LED light source are electrically connected to the second push switch button through wires, respectively.

Preferably, the bottom of the base is provided with an anti-skid rubber pad.

As preferred, the top of base and the position that is close to the rear side are equipped with the fixed block of symmetric distribution, trapezoidal casing rotates to be connected in two between the fixed block, the top of base and the position that is close to the front side are equipped with the bar rubber slab, work as when trapezoidal casing is located horizontal position, the bottom of trapezoidal casing is laminated with the top of bar rubber slab mutually.

Preferably, the end part of the transverse track in the T-shaped track and the left end of the L-shaped track are positioned on the same straight line, the bottom of the first regular rectangular sliding block is provided with a first limiting plate, and the bottom of the second regular rectangular sliding block is provided with a second limiting plate.

On the other hand, the invention also provides an operation method of the auxiliary device for the liquid changing operation of the vision-impairment peritoneal dialysis patient, which comprises the following steps:

s1: the method comprises the following steps that a patient firstly touches Braille on a peritoneal dialysis solution bag by hands to obtain the effective period and concentration information of the peritoneal dialysis solution, and the quality of the peritoneal dialysis solution is primarily judged;

s2: when the validity period and the concentration of the peritoneal dialysis solution are not problematic, a patient starts a first pressing type switch button, then moves the squeeze roller upwards by hands to enable the rotating shaft of the squeeze roller to move out of the positioning groove, then drives the squeeze roller to roll downwards by two handheld rods, squeezes the peritoneal dialysis solution bag by a little force in the rolling process until the squeeze roller moves to the bottom end of the guide rail, at the moment, if a buzzer does not sound, the peritoneal dialysis solution bag is complete and free of leakage and can be used, and if not, the peritoneal dialysis solution bag cannot be used, then the squeeze roller is moved upwards by the patient to reset, and the first pressing type switch button is closed;

s3: the patient opens the second press type switch button, and lifts the bottom of the front side of the trapezoidal shell upwards by hand, so that the trapezoidal shell is reset after rotating upwards for a certain distance, in the process, the liquid medicine in the peritoneal dialysis solution bag shakes, the CCD camera shoots images of the liquid medicine, data are processed by the video acquisition card and then are conveyed to the computer host, after the analysis and judgment of the computer host, if the liquid medicine contains impurities or is in a turbid state, the alarm is controlled to sound, otherwise, the peritoneal dialysis solution is clear and transparent and can be used without impurities or turbidity;

s4: after confirming that the peritoneal dialysis solution can be used by a patient, hanging a peritoneal dialysis solution bag, then clamping a Y-shaped joint of a connecting pipe of the peritoneal dialysis solution bag with a first clamping groove of a first slide block, then clamping a handheld part on an external short pipe with a second clamping groove of a second slide block, then removing a protective pull ring on the connecting pipe joint by the right hand of the patient, removing an iodine solution micro cover on the external short pipe by the left hand and discarding the iodine solution micro cover, then the first sliding block is held by the left thumb and the index finger, the second sliding block is held by the right thumb and the index finger, at the moment, the left hand drives the first slide block to move to the middle part of the guide plate along the T-shaped track, the right hand drives the second slide block to move to the middle part of the guide plate along the L-shaped track, when the connecting pipe reaches the middle part of the guide plate, the two hands move relatively, so that the Y-shaped joint of the connecting pipe is accurately butted and screwed with the joint of the external short pipe, and the connecting step of the pipeline is completed;

s5: then taking out the Y-shaped joint of the connected connecting pipe and the joint of the external short pipe from the first clamping groove and the second clamping groove, and then carrying out the steps of drainage, pipe flushing and exhaust, and liquid changing for filling; after the peritoneal dialysis finishes filling, the Y-shaped joint of the connecting pipe and the joint of the external short pipe are placed back into the first clamping groove and the second clamping groove again, the quality of a new iodine solution miniature cover is checked to meet the requirements, the packaging bag is disassembled, the iodine solution miniature cover is taken out, the opening is placed rightwards into the third clamping groove, the Y-shaped joint of the connecting pipe and the joint of the external short pipe are separated, the first sliding block is held by the left hand to return to the initial position, then the third sliding block is held by the left hand to move towards the middle part of the guide plate along the T-shaped track, and the iodine solution miniature cover and the external short pipe joint are completely matched and screwed tightly.

Compared with the prior art, the invention has the beneficial effects that:

1. this vision disorder peritoneal dialysis patient trades liquid operation auxiliary device through the braille on the touch peritoneal dialysis liquid bag, can let the patient acquire the valid period and the concentration information of this peritoneal dialysis liquid to judge this peritoneal dialysis liquid be not the required concentration of oneself, and whether overdue, ensure the security of peritoneal dialysis.

2. This vision disorder peritoneal dialysis patient trades liquid operation auxiliary device through guide rail, squeeze roll, water sensor, bee calling organ and the singlechip that sets up, can let the patient detect whether complete no seepage of this peritoneal dialysis liquid bag has pathogenic microorganism to enter into the peritoneal dialysis liquid through the seepage hole in, thereby make the patient can further judge whether this peritoneal dialysis liquid can use.

3. This dysopia peritoneal dialysis patient trades liquid operation auxiliary device through CCD camera, LED light source, video capture card, main frame and the siren that is equipped with, can let the patient detect whether contain impurity or be turbid state in this peritoneal dialysis liquid, avoids having impurity among the peritoneal dialysis liquid, prevents to contain impurity or rotten peritoneal dialysis liquid and imports the patient internal to ensure the quality of peritoneal dialysis liquid, guarantee patient's safety.

4. This vision disorder peritoneal dialysis patient trades liquid operation auxiliary device through the liquid calibration mechanism that trades that is equipped with, can let the patient carry out accurate and quick butt joint with the connecting pipe of external nozzle stub and peritoneal dialysis solution bag, also can make the accurate butt joint of iodine solution miniature lid and external nozzle stub to make the patient independently accomplish the peritoneal dialysis operation smoothly.

5. This vision disorder peritoneal dialysis patient trades liquid operation auxiliary device's operation method, the patient detects the peritoneal dialysis solution through multiple detection mode to judge whether this peritoneal dialysis solution can safe handling, through the liquid calibration mechanism that trades that sets up, can let the patient independently accomplish the peritoneal dialysis operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a portion of the structure of the present invention;

FIG. 3 is a second partial schematic view of the present invention;

FIG. 4 is a third schematic view of a part of the present invention;

FIG. 5 is a schematic structural view of a liquid-changing calibration mechanism according to the present invention;

FIG. 6 is a fourth schematic view of a part of the present invention;

fig. 7 is a schematic structural view of a fixing mechanism in the present invention.

In the figure: the device comprises a trapezoidal shell 1, a guide rail 10, a positioning groove 100, a fixed vertical plate 11, a fixed mounting plate 110, a trapezoidal box body 2, a CCD camera 3, an LED light source 4, a water accumulating tank 5, a water sensor 6, a squeezing roller 7, a rotating shaft 70, a handheld rod 700, a fixing mechanism 8, a base 80, a fixed block 81, a strip-shaped rubber plate 82, a liquid exchange calibration mechanism 9, a guide plate 90, a T-shaped rail 900, an L-shaped rail 901, a first sliding block 91, a first clamping groove 910, a second sliding block 92, a second clamping groove 920, a first regular rectangular sliding block 93, a first limiting plate 930, a second regular rectangular sliding block 94, a second limiting plate 940, a third sliding block 95, a third clamping groove 950, a second pressing type switch button 12, a buzzer 13, a video acquisition card 14, a computer host 15, an alarm 16, a rope 17 and a first pressing type switch button 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-7, the present invention provides a technical solution:

an auxiliary device for liquid changing operation of a vision-impaired peritoneal dialysis patient, as shown in fig. 1-6, comprises a trapezoidal shell 1, wherein the rear end of the top of the trapezoidal shell 1 is higher than the front end, so that a peritoneal dialysis solution bag is placed in the trapezoidal shell 1 in advance, guide rails 10 are symmetrically distributed on the left side and the right side of the top of the trapezoidal shell 1, an extrusion roller 7 is movably connected between the two guide rails 10, the patient rolls and extrudes the peritoneal dialysis solution bag downwards through the extrusion roller 7, thereby detecting whether the peritoneal dialysis solution bag leaks or not, a fixed vertical plate 11 is arranged on the rear side of the trapezoidal shell 1 and in the middle of the top, a fixed mounting plate 110 is arranged on the downward sloping top of the front side of the fixed vertical plate 11, an LED light source 4 is arranged on the bottom of the fixed mounting plate 110 and near the front end, a trapezoidal box body 2 is arranged in the trapezoidal shell 1, and the top of the trapezoidal box body 2 is arranged in parallel with the top of the trapezoidal shell 1, when the peritoneal dialysis solution bag has leakage, the inclined plane at the top of the trapezoid box body 2 can guide the leaked liquid medicine into the water collecting tank 5, the middle part of the top of the trapezoid box body 2 is provided with the CCD camera 3, the CCD camera 3 is arranged opposite to the LED light source 4, so that the CCD camera 3 can smoothly and clearly shoot the peritoneal dialysis solution, the water collecting tank 5 is arranged in the trapezoid shell 1 and at the position at the front side of the trapezoid box body 2, the bottom of the inner wall of the water collecting tank 5 is provided with the water sensor 6, whether the water collecting tank 5 contains liquid or not is detected through the water sensor 6, the trapezoid box body 2 is internally provided with the single chip microcomputer, the rear side of the trapezoid shell 1 is connected with the data line, one end of the data line is electrically connected with the CCD camera 3, one end of the data line far away from the CCD camera 3 is connected with the video acquisition card 14, the video acquisition card 14 processes the image shot by the CCD camera 3, the video acquisition card 14 is connected with the main computer host 15 through another data line, the video acquisition card 14 sends the processed data to the computer host 15, the computer host 15 is electrically connected with the alarm 16 through a wire, after the computer host 15 analyzes the data, if the peritoneal dialysis solution is detected to contain impurities or be in a turbid state, the alarm 16 is controlled to sound, the middle part of the right side of the trapezoidal shell 1 is sequentially provided with a first pressing type switch button 18 and a second pressing type switch button 12 from top to bottom, the left side of the trapezoidal shell 1 is embedded with the buzzer 13, the bottom of the trapezoidal shell 1 is provided with the fixing mechanism 8, the fixing mechanism 8 comprises a base 80, the front side of the base 80 is connected with a solution changing calibration mechanism 9 through a rope 17, the patient can accurately and quickly butt joint the joint of the external short pipe and the peritoneal dialysis solution bag connecting pipe through the solution changing calibration mechanism 9, so that the patient can smoothly and independently complete the peritoneal dialysis operation, the liquid changing calibration mechanism 9 comprises a guide plate 90, a T-shaped track 900 is arranged on the surface of the guide plate 90 and close to the left side, a first positive rectangular slide block 93 is connected in a sliding manner in a vertical track in the T-shaped track 900 and close to the two ends, a first slide block 91 is arranged at the top of the first positive rectangular slide block 93 positioned in front, the first slide block 91 moves along the T-shaped track 900 through the first positive rectangular slide block 93, a first clamping groove 910 matched with the outer diameter of a Y-shaped joint of the peritoneal dialysis solution connecting pipe is arranged at the top of the first slide block 91, a third slide block 95 is arranged at the top of the first positive rectangular slide block 93 positioned behind, the third slide block 95 moves along the T-shaped track 900 through the first positive rectangular slide block 93, a third clamping groove 950 matched with the outer diameter of a handheld part of the iodine solution micro cover is arranged at the top of the third slide block 95, an L-shaped track 901 is arranged on the surface of the guide plate 90 and close to the right side, a second regular rectangular sliding block 94 is connected in the L-shaped track 901 in a sliding manner, a second sliding block 92 is arranged at the top of the second regular rectangular sliding block 94, the second sliding block 92 moves along the L-shaped track 901 through the second regular rectangular sliding block 94, and a second clamping groove 920 matched with the outer diameter of the handheld part of the external short pipe joint is formed in the top of the second sliding block 92.

It should be noted that, through the T-shaped track 900 and the L-shaped track 901, the Y-shaped joint and the external short pipe joint are placed in a staggered manner, so that the pollution caused by accidental contact with the hand when the joint is exposed is avoided, after the protective pull ring on the Y-shaped joint is opened by the right hand, the left hand is immediately unscrewed and the iodine solution miniature cover on the external short pipe is removed, and then the slide blocks on the two sides are moved to the horizontal line to complete butt joint, so that the contact between the previously opened Y-shaped joint and the left hand can be avoided, and if the tracks on the two sides are not arranged in a staggered manner, the pollution caused by the fact that the left hand easily touches the Y-shaped joint with the protective pull ring removed.

In this embodiment, the both ends of squeeze roll 7 are equipped with the axis of rotation 70 of symmetric distribution, and the tip of axis of rotation 70 passes guide rail 10 and rotates and be connected with handheld pole 700, and the external diameter of handheld pole 700 is greater than the height of guide rail 10, and the user drives squeeze roll 7 through two handheld poles 700 and steadily rolls on the peritoneal dialysis solution bag.

Specifically, the outer diameter of the rotating shaft 70 is smaller than the distance between the upper side and the lower side of the inner wall of the guide rail 10, so that the adaptability can be adjusted according to the peritoneal dialysis solution bags with different volumes, and the squeezing rollers 7 can squeeze the peritoneal dialysis solution bags and can roll on the surface of the peritoneal dialysis solution bags from top to bottom.

Furthermore, the bottom of the inner wall of the guide rail 10 and the position close to the rear side are provided with a positioning groove 100, the distance between two sides of the inner wall of the positioning groove 100 is larger than the outer diameter of the rotating shaft 70, when the squeeze roller 7 is not used, the squeeze roller 7 can be fixed on the top end of the guide rail 10, and the influence on taking and placing of the peritoneal dialysis solution bag is avoided.

Further, water sensor 6, bee calling organ 13 and first push type shift knob 18 pass through wire and singlechip electric connection respectively, open water sensor 6, bee calling organ 13 and singlechip through first push type shift knob 18, detect when containing liquid in ponding groove 5 when water sensor 6, monolithic computer control bee calling organ 13 sounds to remind that this peritoneal dialysis solution bag of patient has the seepage, can not use.

Further, CCD camera 3 and LED light source 4 are respectively through wire and second push type shift knob 12 electric connection, open CCD camera 3 and LED light source 4 through second push type shift knob 12, make CCD camera 3 shoot the peritoneal dialysis solution.

Further, the bottom of base 80 is equipped with anti-skidding rubber pad, avoids base 80 to shift.

Further, the top of base 80 and the position that is close to the rear side are equipped with symmetric distribution's fixed block 81, trapezoidal casing 1 rotates and connects between two fixed blocks 81, whether contain impurity or be when turbid state in detecting the peritoneal dialysis solution, be convenient for the patient rotates trapezoidal casing 1, thereby drive the liquid medicine removal in the peritoneal dialysis solution bag, when impurity, impurity can remove in the peritoneal dialysis solution bag, just so can be shot by CCD camera 3, the top of base 80 and the position that is close to the front side are equipped with bar rubber slab 82, when trapezoidal casing 1 is located horizontal position, the bottom of trapezoidal casing 1 is laminated with the top of bar rubber slab 82 mutually, whether contain impurity or be when turbid state in undetected peritoneal dialysis solution, make trapezoidal casing 1 can the level place.

Furthermore, the end of the transverse track in the T-shaped track 900 is located on the same straight line as the left end of the L-shaped track 901, so as to ensure that the joint of the two pipelines can be aligned, the bottom of the first regular rectangular sliding block 93 is provided with a first limiting plate 930, and the bottom of the second regular rectangular sliding block 94 is provided with a second limiting plate 940, so that the first regular rectangular sliding block 93 and the second regular rectangular sliding block 94 can stably move, and the slipping cannot occur.

It is necessary to supplement that, when detecting whether the peritoneal dialysis solution contains impurities or is in a turbid state, computer image touch recognition is mainly adopted, impurity detection is completed through characteristic analysis of physical changes of the liquid, when the liquid moves in a specified range, if the liquid contains impurities or is in a turbid state, the impurities move, the positions of the impurities in a shot image change, and are obviously different from those of a static liquid, so that whether the liquid contains impurities or is in a turbid state is judged.

It should be noted that the peritoneal dialysis solution bag used in the invention has customized braille for the patient to touch with the hand to obtain the valid period and concentration information of the peritoneal dialysis solution, and the surface of the peritoneal dialysis solution bag has no other character information, thereby avoiding affecting the CCD camera 3.

The invention also provides an operation method of the liquid changing operation auxiliary device for the vision disorder peritoneal dialysis patient, which comprises the following steps:

s1: the patient firstly touches the braille on the peritoneal dialysis solution bag by hands to obtain the validity period and the concentration information of the peritoneal dialysis solution, and the information of the peritoneal dialysis solution is primarily judged;

s2: when the validity period and the concentration of the peritoneal dialysis solution are not problematic, a patient starts the first pressing type switch button 18, then moves the squeezing roller 7 upwards by hands, so that the rotating shaft 70 of the squeezing roller 7 is moved out of the positioning groove 100, then the patient drives the squeezing roller 7 to roll downwards by the two handheld rods 700, slightly applies force to squeeze the peritoneal dialysis solution bag in the rolling process until the squeezing roller 7 moves to the bottom end of the guide rail 10, at the moment, if the buzzer 13 does not sound, the peritoneal dialysis solution bag is complete and has no leakage, the peritoneal dialysis solution bag can be used, otherwise, the peritoneal dialysis solution bag cannot be used, then the patient moves the squeezing roller 7 upwards to reset, and closes the first pressing type switch button 18;

s3: the patient opens the second push type switch button 12 again, and lifts the bottom of the front side of the trapezoidal shell 1 upwards with the hand, so that the trapezoidal shell 1 is reset after rotating upwards for a certain distance, in the process, the liquid medicine in the peritoneal dialysis solution bag shakes, the CCD camera 3 shoots the image of the liquid medicine, the data is processed by the video acquisition card 14 and then is conveyed to the computer host 15, after the analysis and judgment of the computer host 15, if the liquid medicine contains impurities or is in a turbid state, the alarm 16 is controlled to sound, otherwise, the peritoneal dialysis solution is free of impurities or is turbid, and the peritoneal dialysis solution can be used;

s4: after confirming that the peritoneal dialysis solution can be used by a patient, hanging a peritoneal dialysis solution bag, then clamping a Y-shaped joint of a connecting pipe of the peritoneal dialysis solution bag with a first clamping groove 910 of a first slide block 91, then clamping a handheld part on an external short pipe with a second clamping groove 920 of a second slide block 92, then removing a protective pull ring on the connecting pipe joint by the right hand of the patient, removing an iodine solution micro-cap on the external short pipe by the left hand and discarding, then the first slider 91 is held by the left thumb and the index finger, and the second slider 92 is held by the right thumb and the index finger, respectively, and at this time, the left hand drives the first slider 91 to move to the middle of the guide plate 90 along the front end of the T-shaped track 900, the right hand drives the second slider 92 to move to the middle of the guide plate 90 along the L-shaped track 901, thereby enabling the Y-shaped joint of the connecting pipe and the joint of the external short pipe to be accurately butted and screwed, and further completing the connecting step of the pipeline;

s5: then taking out the Y-shaped joint of the connected connecting pipe and the joint of the external short pipe from the first clamping groove 910 and the second clamping groove 920, and then carrying out the steps of drainage, flushing and exhausting, and filling; after the peritoneal dialysis solution is filled, the Y-shaped joint of the connecting pipe and the joint of the external short pipe are placed back into the first clamping groove 910 and the second clamping groove 920 again, the quality of a new iodine solution micro cover is checked to meet the requirements, the packaging bag is disassembled, the iodine solution micro cover is taken out, the opening is placed rightwards into the third clamping groove 950, the Y-shaped joint of the connecting pipe and the joint of the external short pipe are separated, the first sliding block 91 is held by the left hand to return to the initial position, then the third sliding block 95 is held by the left hand to move towards the middle part of the guide plate 90 along the T-shaped track, and the new iodine solution micro cover and the external short pipe joint are completely matched and screwed tightly.

The auxiliary device for the liquid changing operation of the vision-impaired peritoneal dialysis patient and the operation method thereof of the embodiment are characterized in that the patient firstly touches braille on the peritoneal dialysis solution bag by hand to obtain the effective period and concentration information of the peritoneal dialysis solution, the quality of the peritoneal dialysis solution is primarily judged, when the effective period and the concentration of the peritoneal dialysis solution have no problem, the patient opens the first pressing type switch button 18, then moves the squeeze roller 7 upwards by hand to enable the rotating shaft 70 of the squeeze roller 7 to move out of the positioning groove 100, then the patient drives the squeeze roller 7 to roll downwards by two hand-held rods 700, slightly forcefully squeezes the peritoneal dialysis solution bag in the rolling process until the squeeze roller 7 moves to the bottom end of the guide rail 10, at the moment, if the buzzer 13 does not sound, the peritoneal dialysis solution bag is complete and has no leakage, the device can be used, when the buzzer 13 sounds, the water logging sensor 6 detects that the water logging tank 5 contains liquid, judging that the peritoneal dialysis solution bag is leaked and cannot be used, moving the squeezing roller 7 upwards by the patient for resetting, and closing the first pressing type switch button 18; then the patient opens the second push type switch button 12 again, and lifts the bottom of the front side of the trapezoidal shell 1 upwards with the hand, so that the trapezoidal shell 1 is reset after rotating upwards for a certain distance, in the process, the liquid medicine in the peritoneal dialysis solution bag shakes, the CCD camera 3 takes an image of the liquid medicine, the data is processed by the video acquisition card 14 and then is conveyed to the computer host 15, after the analysis and judgment of the computer host 15, if the liquid medicine contains impurities or is in a turbid state, the alarm 16 is controlled to sound, otherwise, the peritoneal dialysis solution is indicated to be free of impurities or turbidity and can be used; after confirming that the peritoneal dialysis solution can be used by a patient, hanging a peritoneal dialysis solution bag, then clamping a Y-shaped joint of a connecting pipe of the peritoneal dialysis solution bag with a first clamping groove 910 of a first slide block 91, then clamping a handheld part on an external short pipe with a second clamping groove 920 of a second slide block 92, then removing a protective pull ring on the connecting pipe joint by the right hand of the patient, removing an iodine solution micro-cap on the external short pipe by the left hand and discarding, then the first slider 91 is held by the left thumb and the index finger, and the second slider 92 is held by the right thumb and the index finger, respectively, and at this time, the left hand drives the first slider 91 to move to the middle of the guide plate 90 along the front end of the T-shaped track 900, the right hand drives the second slider 92 to move to the middle of the guide plate 90 along the L-shaped track 901, thereby enabling the Y-shaped joint of the connecting pipe and the joint of the external short pipe to be accurately butted and screwed, and further completing the connecting step of the pipeline; then taking out the Y-shaped joint of the connected connecting pipe and the joint of the external short pipe from the first clamping groove 910 and the second clamping groove 920, and then carrying out the steps of drainage, flushing and exhausting, and filling; after the peritoneal dialysis solution is filled, the Y-shaped joint of the connecting pipe and the joint of the external short pipe are placed back into the first clamping groove 910 and the second clamping groove 920 again, the quality of a new iodine solution micro cover is checked to meet the requirements, the packaging bag is disassembled, the iodine solution micro cover is taken out, the opening is placed rightwards into the third clamping groove 950, the Y-shaped joint of the connecting pipe and the joint of the external short pipe are separated, the first sliding block 91 is held by the left hand to return to the initial position, then the third sliding block 95 is held by the left hand to move towards the middle part of the guide plate 90 along the T-shaped track, and the new iodine solution micro cover and the external short pipe joint are completely matched and screwed tightly.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.