阅读说明：本技术 一种胃镜外附管道固定器 (Gastroscope attaches pipeline fixer outward ) 是由 吕宾 金波 李蒙 黄亮 金海峰 时昌培 胡玥 程肖云 胡鏗旭 于 2020-05-06 设计创作，主要内容包括：本发明涉及医疗器械领域,特别是涉及一种胃镜外附管道固定器,包括,卡接在胃镜上端周外侧的透明帽、固定连接在位于透明帽周外侧的定位鞘和可以在定位鞘内孔中上下活动的导管；所述定位鞘上端部不得高于透明帽上端部。通过在胃镜上部卡接了透明帽,将定位鞘固定在透明帽周外侧,而且在定位鞘端面设有一定角度的斜坡,并且斜坡的最高顶点与透明帽端面连接,在定位鞘内设置了与定位鞘相匹配的导管,导管可以在定位鞘内上下活动,导管端部伸出胃镜端面的长度需要在胃镜上摄像头的可视范围内,通过导管可以在胃镜检查时对胃内病理部位进行上药或者积血清理。(The invention relates to the field of medical instruments, in particular to a gastroscope externally attached pipeline fixer, which comprises a transparent cap clamped on the outer side of the periphery of the upper end of a gastroscope, a positioning sheath fixedly connected on the outer side of the periphery of the transparent cap and a catheter capable of moving up and down in an inner hole of the positioning sheath; the upper end part of the positioning sheath is not higher than the upper end part of the transparent cap. Through having blocked transparent cap on gastroscope upper portion, fix the position the sheath and fix in the peripheral outside of transparent cap, and be equipped with the slope of certain angle at location sheath terminal surface, and the highest summit and the transparent cap terminal surface on slope are connected, set up in the location sheath with location sheath assorted pipe, the pipe can be in the location sheath activity from top to bottom, the pipe tip stretches out the length of gastroscope terminal surface and needs the visible range of camera on the gastroscope in, can go up medicine or long-pending serum reason to pathological position in the stomach when the gastroscope inspection through the pipe.)

1. A gastroscope external pipeline fixer is characterized by comprising a transparent cap (2) clamped on the outer side of the periphery of the upper end of a gastroscope (1), a positioning sheath (3) fixedly connected on the outer side of the periphery of the transparent cap (2) and a catheter (4) capable of moving up and down in an inner hole of the positioning sheath (3); the upper end part of the positioning sheath (3) is not higher than the upper end part of the transparent cap (2).

2. The gastroscope external tube fixer according to claim 1, characterized in that the end face of the positioning sheath (3) is provided with a slope (31), the highest point of the slope (31) is attached to the end face of the transparent cap (2), the diameter of the inner hole of the positioning sheath (3) close to the upper end is smaller than that of the inner hole of the lower end, and the outer diameter of the upper end of the catheter (4) is matched with the inner hole diameter of the upper end of the positioning sheath (3).

3. The gastroscope appendant tube fixer according to claim 1, characterized in that a drainage hole (21) is arranged on the peripheral side wall of the transparent cap (2), the drainage hole (21) is positioned on the upper part of the end surface of the gastroscope (1), the outer diameter of the transparent cap (2) is less than or equal to 12.4mm, and the transparent cap (2) is made of transparent hard plastic.

4. The gastroscopic external tube holder according to claim 3 in which the transparent cap (2) has an outer diameter of 12.4 mm.

5. A gastroscopic attachment tube holder according to claim 1 in which the angle a of the ramp (31) on the positioning sheath (3) is less than 90 °.

6. The gastroscopic attachment tube holder according to claim 5 in which the angle a of the ramp (31) is 60 °.

7. The gastroscope external tube fixator according to claim 1, characterized in that the positioning sheath (3) is made of metal, the maximum length of the positioning sheath (3) is larger than that of the transparent cap (2), the outer diameter of the positioning sheath (3) is smaller than 4.5mm, and the inner hole of the positioning sheath (3) is smaller than 4.0 mm.

8. The gastroscopic external tube fixator according to claim 7, wherein the external diameter of the positioning sheath (3) is 4.0mm and the internal hole of the positioning sheath (3) is 3.7 mm.

9. The gastroscope external tube fixator according to claim 1, characterized in that the catheter (4) is a plastic tube with certain hardness, the gastroscope (1) is connected with a bracket (5) which can move along with the gastroscope (1), the catheter (4) is connected with the gastroscope (1) through the bracket (5), and the catheter (4) can move up and down relative to the bracket (5).

10. The gastroscope externally attached tube fixer according to claim 9, characterized in that the bracket (5) is provided with a first snap ring (51) at one end for clamping with the gastroscope (1) and a second snap ring (52) at the other end for connecting with the catheter (4), and the catheter (4) is positioned in the second snap ring (52) and can move up and down relative to the gastroscope tube without bending easily.

Technical Field

The invention relates to the field of medical instruments, in particular to a gastroscope externally-attached pipeline fixer.

Background

The Chinese utility model with the patent number CN201920059055.8 discloses a gastroscope probe water bag cap, the water bag cap at the front end of the gastroscope probe is arranged by a gastroscope probe and a cover, the top end of the gastroscope probe is provided with a flushing water outlet, the gastroscope probe is sleeved in one third of the inner wall of the water bag cap, the water bag cap is a transparent cylindrical ring body, two strip-shaped water leakage holes with the same size are formed in the side wall of the cylindrical ring body, and the strip-shaped water leakage holes are formed in the position away from one third of the water bag cap. The medical operation safety device aims at solving the problems of improving the working efficiency of medical staff, reducing the labor intensity of the medical staff, ensuring the operation safety of a patient, saving time and labor, being efficient and energy-saving, being simple in structure and convenient to maintain.

But still do not solve medical staff and when carrying out the internal examination to the patient, detect pathology position and the emergence reason of judging through check out test set, can not discover the pathology position in the inspection and apply medicine, directly clear up it when hematocele or hydrops to the pathology position appearance, prolonged treatment time and effect to the patient. At present, the inner diameter of a gastroscope biopsy hole channel in the prior art is only 3.2mm, and for some glue type and sticky special medicines, when the injection and the medicine application to pathological parts are carried out and special substances such as blood clots are attracted, the pipeline in the prior art is too narrow and small, is difficult to convey and is easy to block together. Moreover, the pipeline is narrow and small, the operation is difficult, the pathological position cannot be better controlled, the operation accuracy is influenced, the pipeline in the prior art is fixed and cannot stretch out and draw back according to the actual condition, and the timeliness of the examination and treatment of a patient is greatly influenced by medical staff.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention provides a gastroscope externally-attached pipeline fixer, wherein a transparent cap is clamped at the upper part of a gastroscope, a positioning sheath is fixed at the outer side of the periphery of the transparent cap, the end surface of the positioning sheath is provided with a slope with a certain angle, the highest peak of the slope is connected with the end surface of the transparent cap, a catheter matched with the positioning sheath is arranged in the positioning sheath, the catheter can move up and down in the positioning sheath, the length of the end part of the catheter extending out of the end surface of the gastroscope needs to be within the visible range of a camera on the gastroscope, and medicine can be applied to pathological parts in the stomach or serum can be accumulated through the catheter during gastroscope examination.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A gastroscope externally attached pipeline fixer comprises a transparent cap clamped on the outer side of the periphery of the upper end of a gastroscope, a positioning sheath fixedly connected on the outer side of the periphery of the transparent cap and a catheter capable of moving up and down in an inner hole of the positioning sheath; the upper end part of the positioning sheath is not higher than the upper end part of the transparent cap.

Preferably, the end face of the positioning sheath is provided with a slope, the highest point of the slope is attached to the end face of the transparent cap, the diameter of an inner hole of the positioning sheath close to the upper end is smaller than that of an inner hole of the lower end, and the outer diameter of the upper end of the catheter is matched with that of the inner hole of the upper end of the positioning sheath.

Preferably, be equipped with the drainage hole on the transparent cap week lateral wall, the drainage hole is located gastroscope terminal surface upper portion, the external diameter less than or equal to 12.4mm of transparent cap, the material of transparent cap is transparent rigid plastic.

Preferably, the outer diameter of the second gastroscopic attachment channel is 12.4 mm.

Preferably, the angle of the ramp on the positioning sheath is less than 90 °.

Preferably, the angle of the ramp is 60 °.

Preferably, the positioning sheath is made of metal, the maximum length of the positioning sheath is larger than that of the transparent cap, the outer diameter of the positioning sheath is smaller than 4.5mm, and the size of an inner hole of the positioning sheath is smaller than 4.0 mm.

Preferably, the outer diameter of the positioning sheath is 4.0mm, and the inner hole size of the positioning sheath is 3.7 mm.

Preferably, the catheter is a plastic tube with certain hardness, the gastroscope is connected with a bracket which can move along with the gastroscope, the catheter is connected with the gastroscope through the bracket, and the catheter can move up and down relative to the bracket.

Preferably, support one end is equipped with the first snap ring with the gastroscope joint, and the other end is equipped with the second snap ring with pipe connection, and the pipe is located and can reciprocates relatively the gastroscope pipe in the second snap ring, and is not flexible.

3. Advantageous effects

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

the utility model provides a gastroscope attaches pipeline fixer outward, transparent cap has been blocked on gastroscope upper portion, fix the location sheath in transparent cap upper week outside, be equipped with certain slope at location sheath terminal surface, and the highest summit and the transparent cap terminal surface on slope are connected, set up in the location sheath with location sheath assorted pipe, the pipe passes through the leg joint on the gastroscope, and relative gastroscope can be done the activity from top to bottom, the pipe stretches into internal in-process tip at the gastroscope and is located inside the location sheath, when will handling pathological position through the gastroscope, release the pipe from the location sheath through the operation end, the pipe tip exposes in the camera irradiation range on the gastroscope, help through the camera uses the pipe to go on medicine or long-pending serum reason to pathological position.

Two, a gastroscope attaches pipeline fixer outward, the tip of being connected at location sheath and transparent cap is equipped with the slope, the angle on slope will be less than 90, and the outer fringe and the terminal surface junction of slope and transparent cap have set up glossy transition fillet, when the gastroscope stretches into the oral cavity through the throat, through the slope angle, can reduce the distance between transparent cap farthest end outer fringe and the farthest end outer fringe of location sheath, prevent when passing through the throat, transparent cap and the too rigid transition of location sheath outer fringe produce sharp angle, cause the damage to the throat.

The utility model provides a gastroscope attaches pipeline fixer outward, the pipe passes through the support with the gastroscope and is connected, the first snap ring joint of support one end is on the gastroscope, fix with the gastroscope, the second snap ring and the pipe connection of the other end, the pipe can be in the second snap ring relative gastroscope activity from top to bottom, can be connected a plurality of supports on gastroscope and pipe, effectively prevent when external force is applyed to the pipe at the operation end, because the gastroscope activity is kept away from to pipe length longer in the middle part.

The gastroscope is attached to the pipeline fixer outward, the material of location sheath is the metal, because the pipe is the plastic tubing that has certain hardness, the frictional force that relative activity produced between the working of plastics is bigger than the frictional force that working of plastics and metal piece poor are given birth to, in order to better control accuracy when promoting the pipe, the frictional force that produces in addition between pipe and location sheath, the support will be greater than the gravity of pipe, prevents that the pipe from fixing the slip-out of sheath lower extreme.

Drawings

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

FIG. 2 is a schematic view of a partial structure of a transparent cap and a positioning sheath of the present invention

FIG. 3 is a partial cross-sectional view of the transparent cap and positioning sheath of the present invention

FIG. 4 is a schematic view of the stent structure of the present invention

In the figure, 1, gastroscope;

2. a transparent cap; 21. a drainage hole;

3. a positioning sheath, 31, a ramp;

4. a conduit;

5. a support; 51. first snap ring, 52, second snap ring.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

As shown in figures 1-4, the gastroscope externally attached pipeline fixer comprises a transparent cap 2 clamped outside the periphery of the upper end of a gastroscope 1, a positioning sheath 3 fixedly connected outside the periphery of the transparent cap 2, a catheter 4 capable of moving up and down in an inner hole of the positioning sheath 3 and a bracket 5 for connecting the catheter 4 with the gastroscope 1, wherein the upper end part of the positioning sheath 3 is not higher than the upper end part of the transparent cap 2.

Transparent cap 2 is the preparation of transparent rigid plastic material, and its biggest overall dimension is less than or equal to 16.4mm, and the external diameter of transparent cap 2 is 12.4mm, is equipped with a drainage hole 21 that link up on the week side of transparent cap 2 to drainage hole 21 position height will be on gastroscope 1 terminal surface upper portion, conveniently flows out in drainage hole 21 through drainage hole 21 with the hydrops on the gastroscope 1 terminal surface, prevents effectively that the camera of gastroscope 1 from being blocked, and it is unclear to cause the camera sight.

The terminal surface of location sheath 3 is equipped with a slope 31, and the peak of slope 31 is laminated with transparent cap 2 up end, the angle (the angle mark is a) of slope 31 is less than 90, the angle is 60 in this design, slope 31 through the design can prevent effectively that gastroscope 1 from stretching into the in-process of inspection from the oral cavity, the distance of transparent cap 2 outer fringe most distal end to 3 outer fringe most distal ends of location sheath reduces according to the different distances of angle when through the throat, and the position that slope 31 and transparent cap 2 are connected sets up smooth fillet transition, effectively reduce the harm to the throat with other organs inner walls. The catheter 4 is arranged in the positioning sheath 3, the outer diameter of the catheter 4 and the diameter of an inner hole of the positioning sheath 3 are reasonable to set, the catheter 4 is connected to the gastroscope 1 through the support 5, the catheter 4 is driven to move together when the gastroscope 1 moves, certain friction force exists between the catheter 4 and the positioning sheath 3, the friction force is larger than the gravity of the catheter 4, the friction force cannot be too large, and external force is applied to the catheter 4 at an operating end, so that the catheter 4 can move upwards relative to the positioning sheath 3. Because the friction force generated by the contact of the plastic and the metal is smaller than the friction force generated by the plastic and the metal, the positioning sheath 3 is made of metal material, the friction during the movement can be effectively reduced, but the catheter 4 is prevented from extending out of the slope 31 infinitely, the positioning sheath 3 is set to be a diameter that an inner hole at the upper end is smaller than that of an inner hole at the lower end and has a certain taper, the taper matched with the inner hole of the positioning sheath 3 is designed at the upper end of the catheter 4, when the catheter 4 needs to extend out, the catheter stops after extending out of a corresponding set distance, the extending length of the catheter 4 is relatively fixed through the matched tapers of the positioning sheath 3 and the catheter 4, the extending distance needs to be within the visual range of a camera on the gastroscope 1, and the catheter 4 is convenient to operate under the help of the camera. At present, the diameter of a biopsy hole in the prior art is only 3.2mm, but for some special viscous medicines such as glue, injection and wound medicine spreading are carried out on pathological positions, and when a clot and the like are sucked, a conveying pipeline needs to be enlarged as much as possible, the outer diameter of a positioning sheath 3 in the design is 4mm, the diameter of an inner hole is smaller than 4mm, so that the outer diameter of a catheter 4 can be increased to 3.7mm to the maximum extent, and the inner hole of the catheter 4 is effectively enlarged. The length of the positioning sheath 3 is not easy to be too long, the cost is too high, the maximum diameter section is too long, the catheter can be difficultly extended in, and the catheter 4 can be pulled out due to too short length.

Support 5 one end is equipped with the first snap ring 51 with gastroscope 1 joint, the other end is equipped with the second snap ring 52 of being connected with pipe 4, support 5 is fixed on gastroscope 1 through first snap ring 51 and gastroscope 1 joint, move about together along with gastroscope 1, pipe 4 can be in operation end relative gastroscope 1 activity from top to bottom after applying external force, there is certain frictional force between pipe 4 and the support 5, and the frictional force sum of pipe 4 and location sheath 3 will be greater than pipe 4 gravity, prevent pipe 4 roll-off location sheath 3, but a plurality of supports 5 of joint on gastroscope 1, when preventing to pipe 4 application external force, make the crooked gastroscope 1 of keeping away from in pipe 4 middle part.

The foregoing is only a preferred embodiment of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.