Patient's vomitus collection processing apparatus for oncology

文档序号:640771 发布日期:2021-05-14 浏览:18次 中文

阅读说明:本技术 一种肿瘤科用病人呕吐物收集处理装置 (Patient's vomitus collection processing apparatus for oncology ) 是由 范本芳 杨海霞 于 2021-01-25 设计创作,主要内容包括:本发明公开了一种肿瘤科用病人呕吐物收集处理装置,包括收集器主体、收集斗和第二移动组件,所述收集器主体的内部安装有收集盒,且收集盒的下表面四角均设置有第一压力传感器,所述收集盒的右侧安装有电池箱,且收集盒的上方设置有输出管,所述收集器主体的上方安装有液体箱,且液体箱的内壁固定有液位传感器,所述收集斗连接于输出管的上端,且液体箱的内部靠近收集斗的一侧安装有导管,所述第二移动组件分别安装于收集器主体的左右两侧,且收集器主体右侧的第二移动组件的上方安装有控制器。本发明移动方便,可以调节高度,且有效防止装置内部的呕吐物反味,减少异味产生,减少细菌传播,同时可以提醒医护人员及时对呕吐物进行统一清理。(The invention discloses a patient vomit collecting and processing device for oncology, which comprises a collector main body, a collecting hopper and a second moving assembly, wherein a collecting box is arranged inside the collector main body, four corners of the lower surface of the collecting box are respectively provided with a first pressure sensor, a battery box is arranged on the right side of the collecting box, an output pipe is arranged above the collecting box, a liquid box is arranged above the collector main body, a liquid level sensor is fixed on the inner wall of the liquid box, the collecting hopper is connected to the upper end of the output pipe, a guide pipe is arranged on one side, close to the collecting hopper, inside the liquid box, the second moving assembly is respectively arranged on the left side and the right side of the collector main body, and a controller is arranged above the second moving assembly on the right side of the collector main body. The vomit cleaning device is convenient to move, can adjust the height, effectively prevents the vomit in the device from being smelled reversely, reduces the generation of peculiar smell, reduces the propagation of bacteria, and can remind medical personnel to clean the vomit in a unified way in time.)

1. A patient's vomitus collection processing apparatus for oncology department, includes collector main part (1), collection fill (8) and second removal subassembly (19), its characterized in that: the collector is characterized in that a collecting box (2) is mounted inside a collector main body (1), first pressure sensors (3) are arranged at four corners of the lower surface of the collecting box (2), a battery box (4) is mounted on the right side of the collecting box (2), an output pipe (5) is arranged above the collecting box (2), a liquid box (6) is mounted above the collector main body (1), a liquid level sensor (18) is fixed on the inner wall of the liquid box (6), a collecting hopper (8) is connected to the upper end of the output pipe (5), a guide pipe (7) is mounted on one side, close to the collecting hopper (8), of the inside of the liquid box (6), a water pump (9) is connected to the upper end of the guide pipe (7), a sealing plate (10) is arranged above the collecting hopper (8), a first moving assembly (11) is mounted below the outer side end of the sealing plate (10), a protective shell (12) is arranged on the outer side of the first, the upper edge inner side face of the sealing plate (10) is provided with a second pressure sensor (13), the upper edge outer side face of the sealing plate (10) is provided with a third pressure sensor (14), the lower surface of the sealing plate (10) is fixed with a through pipe (15), a spray head (16) is connected below the through pipe (15), the outer side of the through pipe (15) is connected with a hose (17), second moving assemblies (19) are respectively installed on the left side and the right side of the collector main body (1), a controller (20) is installed above the second moving assembly (19) on the right side of the collector main body (1), a wireless data transmitter (21) is arranged on the front side inside the controller (20), a liquid shortage indicating lamp (22) is installed on the rear side inside the controller (20), a box full indicating lamp (23) is arranged on the right side of the liquid shortage indicating lamp (22), and a bottom plate (24) is installed on the lower end of the second moving assembly (19), and a steel ball tray (25) is fixed at the middle position below the bottom plate (24), a convex strip (26) is fixed on the outer side surface of the liquid tank (6), and a concave block (27) is connected to the outer side of the convex strip (26).

2. The device for collecting and processing vomit of patients in oncology department according to claim 1, wherein: collect the connected mode between box (2) and collector main part (1) and be the block connection, and collect box (2) and constitute the intercommunication structure through output tube (5) and between collecting fill (8) to the appearance structure of output tube (5) is the wave structure.

3. The device for collecting and processing vomit of patients in oncology department according to claim 1, wherein: the first pressure sensor (3) is electrically connected with the input end of the controller (20) through a lead, and the output end of the controller (20) is electrically connected with the full box indicator lamp (23) through a lead.

4. The device for collecting and processing vomit of patients in oncology department according to claim 1, wherein: the structure of the first moving assembly (11) is the same as that of the second moving assembly (19), a telescopic structure is formed between the first moving assembly (11) and the sealing plate (10), and the appearance structure of the sealing plate (10) is a semicircular structure.

5. The device for collecting and processing vomit of patients in oncology department according to claim 1, wherein: the second pressure sensor (13) and the third pressure sensor (14) are respectively electrically connected with the input end of the controller (20) through leads, and the output end of the controller (20) is electrically connected with the first moving assembly (11) through leads.

6. The device for collecting and processing vomit of patients in oncology department according to claim 1, wherein: the appearance structure of siphunculus (15) is the semi-annular structure, and shower head (16) along siphunculus (15) lower surface equidistance interval distribution to siphunculus (15) pass through hose (17) and constitute the intercommunication structure between water pump (9).

7. The device for collecting and processing vomit of patients in oncology department according to claim 1, wherein: the liquid level sensor (18) is electrically connected with the input end of the controller (20) through a lead, the output end of the controller (20) is electrically connected with the liquid shortage indicator lamp (22) through a lead, and the controller (20) is electrically connected with the wireless data transmitter (21).

8. The device for collecting and processing vomit of patients in oncology department according to claim 1, wherein: the second moving assembly (19) comprises a lead screw (191), a servo motor (192), a ball nut (193) and a support (194), the lower end of the lead screw (191) is connected with the servo motor (192), the outer side of the lead screw (191) is connected with the ball nut (193), and the support (194) is fixed on the outer wall of the ball nut (193).

9. The device for collecting and processing vomit of patients in oncology department according to claim 8, wherein: a rotating structure is formed between the screw rod (191) and the servo motor (192), the screw rod (191) and the ball nut (193) are connected in a threaded mode, and the second moving assembly (19) forms a sliding structure with the liquid tank (6) through the convex strips (26) and the concave blocks (27).

Technical Field

The invention relates to the technical field of medical instrument drying devices, in particular to a patient vomit collecting and processing device for oncology department.

Background

The oncology department, the internal medicine department, the surgery department, the obstetrics and gynecology department and the pediatrics department are the secondary subjects of clinical medicine, which are divided into the oncology department, the oncology radiotherapy department, the oncology department and the like, and the oncology department is mainly used for the medical treatment of various benign and malignant tumors; the tumor radiotherapy department is mainly engaged in the radiotherapy of tumors; tumor surgery provides a comprehensive treatment mainly based on surgery. The relevant departments of a special oncology hospital are subdivided according to different parts, such as gastrointestinal oncology, lymphoma oncology in oncology; the tumor surgery includes breast surgery, head and neck surgery, thoracic surgery, tumor gynecology, abdominal surgery, etc. Patients in oncology often have vomiting symptom, which is a protective mechanism of human body, and can discharge harmful substances eaten in stomach to outside, but frequent and violent vomiting can cause various harmful consequences: malnutrition, dehydration, electrolyte disorder, acid-base imbalance and even esophagus and stomach damage are caused, and vomit of patients in hospitals needs to be collected by a collecting device so as to be conveniently treated in a centralized way.

However, the vomitus collecting device in the current market is mostly in an open state, and related substances and peculiar smell in the remaining vomitus cannot be inhibited from volatilizing into the air, so that the propagation of germs is easily caused, the inside of the vomitus is inconvenient to clean, the vomitus collecting device is not convenient to move, the height of the vomitus collecting device can not be adjusted according to the use requirement, and meanwhile, the problem that medical staff can not be reminded of cleaning the vomitus in time is solved.

Disclosure of Invention

The invention aims to provide a patient vomit collecting and processing device for oncology, which solves the problems that the vomit collecting device on the market is mostly in an open state, the volatilization of related substances and peculiar smell in the residual vomit into the air cannot be inhibited, the propagation of pathogenic bacteria is easy to cause, the inside of the vomit is inconvenient to clean, the vomit is inconvenient to move, the height is difficult to adjust according to the use requirement, and the vomit cannot be reminded to clean the vomit in time.

In order to achieve the purpose, the invention provides the following technical scheme: a patient vomit collecting and processing device for oncology comprises a collector main body, a collecting hopper and a second moving assembly, wherein the collecting box is arranged inside the collector main body, first pressure sensors are arranged at four corners of the lower surface of the collecting box, a battery box is arranged on the right side of the collecting box, an output pipe is arranged above the collecting box, a liquid box is arranged above the collector main body, a liquid level sensor is fixed on the inner wall of the liquid box, the collecting hopper is connected to the upper end of the output pipe, a guide pipe is arranged on one side, close to the collecting hopper, inside the liquid box, a water pump is connected to the upper end of the guide pipe, a sealing plate is arranged above the collecting hopper, a first moving assembly is arranged below the outer side end of the sealing plate, a protective shell is arranged outside the first moving assembly, and a second pressure sensor is arranged on the inner side face of the upper edge, and the top edge lateral surface of closing plate is provided with third pressure sensor, the lower fixed surface of closing plate has the siphunculus, and the below of siphunculus is connected with the shower head, the outside of siphunculus is connected with the hose, the second removes the subassembly and installs respectively in the left and right sides of collector main part, and the second on collector main part right side removes the top of subassembly and installs the controller, the inside front side of controller is provided with wireless data transmission ware, and the inside rear side of controller installs lacks the liquid pilot lamp, it has the full pilot lamp of box to settle on the right side of lacking the liquid pilot lamp, the bottom plate is installed to the lower extreme of second removal subassembly, and the below intermediate position of bottom plate is fixed with the steel ball dish, the lateral surface of liquid case is fixed with the sand grip, and the outside of sand.

Preferably, the connection mode between collection box and the collector main part is the block connection, and just collects the box and constitutes the intercommunication structure through between output tube and the collection fill to the overall structure of output tube is the wave structure.

Preferably, the first pressure sensor is electrically connected with the input end of the controller through a wire, and the output end of the controller is electrically connected with the full box indicator lamp through a wire.

Preferably, the first moving assembly and the second moving assembly have the same structure, a telescopic structure is formed between the first moving assembly and the sealing plate, and the shape structure of the sealing plate is a semicircular structure.

Preferably, the second pressure sensor and the third pressure sensor are electrically connected to the input end of the controller through wires, and the output end of the controller is electrically connected to the first moving assembly through wires.

Preferably, the appearance structure of siphunculus is the semi-annular structure, and the shower head along siphunculus lower surface equidistance interval distribution to the siphunculus passes through to constitute the intercommunication structure between hose and the water pump.

Preferably, the liquid level sensor is electrically connected with the input end of the controller through a wire, the output end of the controller is electrically connected with the liquid-lack indicating lamp through a wire, and the controller is electrically connected with the wireless data transmitter.

Preferably, the second moving assembly comprises a screw rod, a servo motor, a ball nut and a support, the lower end of the screw rod is connected with the servo motor, the outer side of the screw rod is connected with the ball nut, and the support is fixed on the outer wall of the ball nut.

Preferably, a rotating structure is formed between the screw rod and the servo motor, the screw rod is in threaded connection with the ball nut, and the second moving assembly forms a sliding structure with the liquid tank through the convex strips and the concave blocks.

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

1. according to the collecting device, the collecting hopper is arranged to collect vomitus, the vomitus is conveyed to the collecting box through the output pipe to be stored in a unified manner, the collecting box can be detached relative to the collector main body, so that the vomitus in the collecting box can be cleaned in a unified manner in the later period, meanwhile, the output pipe is bent in a wave shape, and therefore part of liquid water can be reserved at the bent part in the output pipe all the time, the liquid water can seal the output pipe, the vomitus in the collecting box is effectively prevented from being smelled back to the collecting hopper, and peculiar smell is reduced;

2. according to the liquid level monitoring device, the first pressure sensor can be matched with the controller, so that when the weight of vomitus in the collection box reaches a certain value, the full indicator lamp of the control box is started to prompt and alarm, so that medical staff can clean the vomitus in a unified manner in time, and the liquid level sensor is matched with the controller, so that when the liquid in the liquid tank is lack, the liquid lack indicator lamp is started to prompt an alarm, and the medical staff can add cleaning liquid into the liquid tank in time;

3. the first moving assembly and the sealing plate are arranged in two groups, when the two sealing plates are tightly attached together, the collecting hopper can be sealed, the problem that related substances and peculiar smell in residual vomit volatilize into air due to the fact that the collecting device is opened is further solved, the first moving assembly and the sealing plate are arranged in a bilateral symmetry mode relative to the central axis of the whole device, and the sealing plate can be driven to move left and right by the first moving assembly, so that the sealing plate is electrically opened, and the sealing plate is convenient to use;

4. the second pressure sensor and the third pressure sensor are arranged to be matched with the controller respectively so as to control the opening and closing of the first moving assembly in time, the use is more intelligent, the cleaning liquid in the liquid box can be sprayed out from the inner part of the spray header so as to clean the surface of the collecting hopper, and the spray header is arranged for a circle along the through pipe, so that the collecting hopper is more comprehensively and thoroughly washed, the cleaning effect is better, and the propagation of germs is effectively reduced;

5. according to the invention, the servo motor arranged in the second moving assembly can drive the screw rod to rotate so as to drive the ball nut to move up and down, so that the collector main body is driven to move up and down for lifting adjustment, the collector main body is suitable for different users at different use heights, the collector main body can limit the lifting adjustment operation by utilizing the sliding action between the convex strips and the concave blocks, the lifting adjustment is more stable and safer, and meanwhile, the whole collecting device is more convenient to move under the rolling action of the steel ball disc on the ground.

Drawings

FIG. 1 is a schematic structural view of the cross section of the present invention in elevation;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic bottom view of the sealing plate of the present invention;

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

FIG. 5 is an enlarged view of a portion of the structure shown at B in FIG. 4 according to the present invention.

In the figure: 1. a collector body; 2. a collection box; 3. a first pressure sensor; 4. a battery box; 5. an output pipe; 6. a liquid tank; 7. a conduit; 8. a collecting hopper; 9. a water pump; 10. a sealing plate; 11. a first moving assembly; 12. a protective shell; 13. a second pressure sensor; 14. a third pressure sensor; 15. pipe passing; 16. a shower head; 17. a hose; 18. a liquid level sensor; 19. a second moving assembly; 191. a lead screw; 192. a servo motor; 193. a ball nut; 194. a support; 20. a controller; 21. a wireless data transmitter; 22. a liquid-deficient indicator light; 23. a full box indicator light; 24. a base plate; 25. a steel bead plate; 26. a convex strip; 27. and (4) concave blocks.

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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, a device for collecting and processing vomitus of a patient in oncology department comprises a collector body 1, a collection box 2, a first pressure sensor 3, a battery box 4, an output tube 5, a liquid tank 6, a conduit 7, a collection bucket 8, a water pump 9, a sealing plate 10, a first moving component 11, a protective shell 12, a second pressure sensor 13, a third pressure sensor 14, a through tube 15, a shower head 16, a hose 17, a liquid level sensor 18, a second moving component 19, a screw 191, a servo motor 192, a ball nut 193, a bracket 194, a controller 20, a wireless data transmitter 21, a liquid shortage indicator lamp 22, a box full indicator lamp 23, a bottom plate 24, a steel ball disc 25, a convex strip 26 and a concave block 27, wherein the collection box 2 is installed inside the collector body 1, the first pressure sensors 3 are arranged at four corners of the lower surface of the collection box 2, the battery box 4 is installed at the right side of the collection box 2, an output pipe 5 is arranged above the collecting box 2, a liquid tank 6 is arranged above the collector main body 1, a liquid level sensor 18 is fixed on the inner wall of the liquid tank 6, a collecting hopper 8 is connected to the upper end of the output pipe 5, a guide pipe 7 is arranged on one side, close to the collecting hopper 8, of the interior of the liquid tank 6, a water pump 9 is connected to the upper end of the guide pipe 7, a sealing plate 10 is arranged above the collecting hopper 8, a first moving assembly 11 is arranged below the outer side end of the sealing plate 10, a protective shell 12 is arranged outside the first moving assembly 11, a second pressure sensor 13 is arranged on the inner side face of the upper edge of the sealing plate 10, a third pressure sensor 14 is arranged on the outer side face of the upper edge of the sealing plate 10, a through pipe 15 is fixed on the lower surface of the sealing plate 10, a spray head 16 is connected below the through pipe 15, a hose 17 is connected outside, a controller 20 is arranged above a second moving assembly 19 on the right side of the collector body 1, a wireless data transmitter 21 is arranged on the front side inside the controller 20, a liquid shortage indicator lamp 22 is arranged on the rear side inside the controller 20, a full box indicator lamp 23 is arranged on the right side of the liquid shortage indicator lamp 22, a bottom plate 24 is arranged at the lower end of the second moving assembly 19, a steel ball tray 25 is fixed at the middle position below the bottom plate 24, a convex strip 26 is fixed on the outer side surface of the liquid tank 6, and a concave block 27 is connected to the outer side of the convex strip 26;

the collecting box 2 is connected with the collector main body 1 in a clamping manner, the collecting box 2 forms a communicating structure with the collecting hopper 8 through the output pipe 5, the output pipe 5 is of a waveform structure, the collecting hopper 8 is arranged to collect vomitus, the vomitus is conveyed to the collecting box 2 through the output pipe 5 to be stored uniformly, the collecting box 2 can be detached relative to the collector main body 1 so as to clean the vomitus in the collecting box 2 uniformly in the later period, meanwhile, the output pipe 5 is bent in a waveform manner, so that part of liquid water can be reserved at the bent part in the output pipe 5 all the time, the liquid water can seal the output pipe 5, the vomitus in the collecting box 2 is effectively prevented from reflecting odor to the collecting hopper 8, the generation of peculiar smell is reduced, the first pressure sensor 3 is electrically connected with the input end of the controller 20 through a lead, and the output end of the controller 20 is electrically connected with the box full indicator lamp 23 through a lead, the first pressure sensor 3 can be matched with the controller 20, so that when the weight of vomitus in the collecting box 2 reaches a certain value, the full indicator lamp 23 of the control box is turned on to prompt and alarm, and medical staff can clean the vomitus in time;

the structure of the first moving component 11 is the same as that of the second moving component 19, a telescopic structure is formed between the first moving component 11 and the sealing plate 10, the appearance structure of the sealing plate 10 is a semicircular structure, the first moving component 11 and the sealing plate 10 are arranged in two groups, when the two sealing plates 10 are tightly attached together, the collecting hopper 8 can be sealed, the problem that related substances and peculiar smell in remaining vomit volatilize into air due to the fact that the collecting device is open is further avoided, the first moving component 11 and the sealing plate 10 are arranged in bilateral symmetry relative to the central axis of the whole device, the first moving component 11 can drive the sealing plate 10 to move left and right, the sealing plate 10 is opened electrically, the use is more convenient, the second pressure sensor 13 and the third pressure sensor 14 are electrically connected with the input end of the controller 20 through leads, and the output end of the controller 20 is electrically connected with the first moving component 11 through leads, the second pressure sensor 13 and the third pressure sensor 14 are respectively matched with the controller 20, so that the opening and closing of the first moving assembly 11 can be controlled in time, and the use is more intelligent;

the appearance structure of the through pipe 15 is a semi-annular structure, the spray headers 16 are distributed at equal intervals along the lower surface of the through pipe 15, the through pipe 15 and the water pump 9 form a communicating structure, the inside of the spray headers 16 can be sprayed with cleaning liquid in the liquid tank 6, so that the surface of the collecting hopper 8 can be cleaned, the spray headers 16 are arranged along the through pipe 15 for a circle, so that the collecting hopper 8 can be more comprehensively and thoroughly washed, the cleaning effect is better, and further the propagation of germs is effectively reduced, the liquid level sensor 18 is electrically connected with the input end of the controller 20 through a wire, the output end of the controller 20 is electrically connected with the liquid shortage indicator lamp 22 through a wire, the controller 20 is electrically connected with the wireless data transmitter 21, the liquid level sensor 18 and the controller 20 are arranged to be matched with each other, so that the liquid shortage indicator lamp 22 is started to alarm and remind when liquid shortage exists in the liquid tank 6, the cleaning liquid can be conveniently added into the liquid tank 6 by medical staff in time;

the second moving assembly 19 comprises a screw 191, a servo motor 192, a ball nut 193 and a bracket 194, the servo motor 192 is connected to the lower end of the screw 191, the ball nut 193 is connected to the outer side of the screw 191, the bracket 194 is fixed to the outer wall of the ball nut 193, a rotating structure is formed between the screw 191 and the servo motor 192, the screw 191 and the ball nut 193 are connected in a threaded manner, the second moving assembly 19 forms a sliding structure with the liquid tank 6 through a convex strip 26 and a concave block 27, the servo motor 192 arranged in the second moving assembly 19 can drive the screw 191 to rotate so as to drive the ball nut 193 to move up and down, and further drive the collector body 1 to move up and down for lifting adjustment, so that the collector body is suitable for different user heights, and the collector body 1 can limit the lifting adjustment operation by utilizing the sliding action between the convex strip 26 and the concave block 27, make lift adjustment more stable safety, simultaneously through the roll effect on ground of steel ball dish 25 for it is more convenient that whole collection device removes.

The working principle is as follows: for the patient vomit collecting and processing device for the oncology department, firstly, the bottom plate 24 is pushed, the steel ball disc 25 rolls on the ground, the whole device is driven to move to a proper position, the battery box 4 supplies power for the whole device, then the servo motor 192 in the second moving assembly 19 is started, the servo motor 192 drives the screw shaft 191 to rotate, the screw shaft 191 drives the ball nut 193 to move upwards, the ball nut 193 drives the collector body 1 to move upwards through the bracket 194 to rise to a certain height, meanwhile, the collector body 1 drives the convex strip 26 to slide upwards along the concave block 27, and after the convex strip rises to a proper height, the servo motor 192 is turned off, so that the collector body 1 is fixed at the height;

then when a user needs to vomit, the first moving assembly 11 is started according to the operation mode of the second moving assembly 19, the first moving assembly 11 drives the two sealing plates 10 to be separated, the sealing plates 10 move outwards until the third pressure sensor 14 contacts the inner wall of the protective shell 12, the controller 20 controls the first moving assembly 11 to be closed, the user spits vomitus in the collecting hopper 8, then the first moving assembly 11 is started reversely, the first moving assembly 11 drives the two sealing plates 10 to be close towards the middle until the second pressure sensor 13 contacts the protective shell 12, the two sealing plates 10 seal the collecting hopper 8, the controller 20 controls the first moving assembly 11 to be closed, the controller 20 controls the water pump 9 to be started at the same time, the water pump 9 conveys flushing liquid in the liquid tank 6 to the interior of the hose 17 through the conduit 7 and then conveys the flushing liquid to the interior of the through the conduit 15 through the hose 17, finally, the water is sprayed out by a spray header 16;

the flush fluid sprays on collecting the fill 8, wash the vomitus, the vomitus is along the flush fluid and rush into output tube 5, carry into by output tube 5 again and collect 2 insides of box, when first pressure sensor 3 detects that the vomitus weight of collecting 2 insides of box reaches certain numerical value, controller 20 control box is full of pilot lamp 23 and starts, transmit the terminal equipment at nurse station with the box full information through wireless data transmission ware 21 simultaneously, be convenient for remind medical personnel to clear up, and is the same, when level sensor 18 detects that the liquid level of liquid tank 6 inside is lower, controller 20 control lacks liquid pilot lamp 22 and starts, remote transmission reminds for the terminal equipment at nurse station simultaneously, just accomplish the use of whole oncology with patient's vomitus collection processing apparatus like this.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

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