Sampling device for digestive system department

By using a diaphragm sleeve to cover the outside of the catheter in a gastroenterology sampling device and then unfolding it to wrap around it, the problem that existing devices cannot wrap the entire catheter is solved, thus achieving full coverage of the catheter and ease of operation.

CN223667979UActive Publication Date: 2025-12-16CENT SOUTH UNIV
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Patent Information

Application Number
CN202520250628.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-16
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

The existing gastroenterology sampling device's film cannot fully wrap the catheter, making the operation cumbersome, time-consuming, and labor-intensive.

Method used

A gastroenterology sampling device was designed, which uses a diaphragm sleeve to cover the outside of the catheter. The diaphragm sleeve is unfolded through the installation cavity to cover the catheter, avoiding any areas that are not covered. The diaphragm sleeve is rolled up inside the installation cavity for easy rotation and unfolding.

Benefits of technology

It achieves full coverage of the catheter, avoiding the impact of odors, debris and viruses on medical staff, and making the operation more convenient and time-saving.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a gastroenterology department sampling device, including reclaiming subassembly, base and diaphragm subassembly, reclaiming subassembly includes conduit and sampling gasbag, sampling gasbag is connected to conduit one end, the base forms the sleeve hole and is sleeved outside conduit through the sleeve hole, diaphragm subassembly includes mounting portion and diaphragm cover, mounting portion is provided on the base, diaphragm cover is provided on the diaphragm cover. A mounting cavity is formed in the mounting part, the diaphragm sleeve is rolled to be annular and sleeves the outer side of the catheter, the diaphragm sleeve is mounted in the mounting cavity, and the diaphragm sleeve can extend out of the mounting cavity to wrap the catheter when being unfolded. According to the sampling device for the department of gastroenterology, the expanded part of the diaphragm sleeve can conveniently wrap the catheter in the circumferential direction in a full range, and the situation that the catheter is not partially wrapped is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, especially a kind of sampling device in gastroenterology. BACKGROUND

[0002] In gastroenterology detection, the mucosa exfoliative cell of human digestive tract is extracted by sampling device to carry out detection and diagnosis. In the related art, part of sampling device includes catheter, base, sampling air bag and membrane winding rod, catheter is arranged in base, sampling air bag is arranged at one end of catheter, base is equipped with two rotating seats, and both ends of membrane winding rod are rotatably installed on the two rotating seats. After sampling air bag extends to human digestive tract, inflate towards sampling air bag through catheter, sampling air bag expands to adhere mucosa exfoliative cell, then catheter is extracted, and the membrane formed by rotating and unfolding membrane winding rod is used to wrap extracted catheter, to avoid the smell, sundries and virus carried by catheter from affecting medical staff.

[0003] However, it is found in use that the membrane of the existing sampling device can only cover part of the catheter, and cannot achieve full-range wrapping. In actual operation, the position of the catheter or the membrane needs to be frequently adjusted manually to cover the area of the catheter at different angles, which is troublesome, time-consuming and laborious. SUMMARY

[0004] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a sampling device in gastroenterology, which facilitates the full-range wrapping of the expanded part of the diaphragm sleeve on the catheter in the circumferential direction, and avoids the situation that part of the catheter is not wrapped.

[0005] The sampling device in gastroenterology according to the utility model embodiment comprises a material taking assembly, a base and a diaphragm assembly, the material taking assembly comprises a catheter and a sampling air bag, the sampling air bag is connected to one end of the catheter, the base is formed with a sleeve hole and is sleeved on the outside of the catheter through the sleeve hole, the diaphragm assembly comprises a mounting part and a diaphragm sleeve, the mounting part is arranged on the base, the mounting part is formed with a mounting cavity, the diaphragm sleeve is wound in a ring shape and is sleeved on the outside of the catheter, the diaphragm sleeve is installed in the mounting cavity, and the diaphragm sleeve can extend out of the mounting cavity when it is unfolded to wrap the catheter.

[0006] The sampling device in gastroenterology according to the utility model embodiment has at least the following beneficial effects:

[0007] The one end of the catheter far from the sampling air bag can be used for connecting a gas charging and discharging structure, such as a gas pump, in use, the sampling air bag is inserted into the human digestive tract, then air is filled into the sampling air bag, the sampling air bag is inflated and can adhere to the mucosa exfoliated cells, then the catheter and the sampling air bag are drawn out, in the process of drawing out, the diaphragm sleeve is unfolded from the installation cavity, the unfolded part of the diaphragm sleeve is sleeved and wrapped on the outer side of the catheter, and the smell, sundries and viruses carried by the catheter are avoided from affecting medical staff. The sampling device for the department of gastroenterology according to the embodiment of the utility model, since the diaphragm sleeve is in a sleeve structure and is sleeved on the outer side of the catheter, the unfolded part of the diaphragm sleeve can wrap the catheter in the whole circumferential direction, the situation that the catheter is not wrapped in part is avoided, and the wrapping effect of the catheter is better. In addition, the diaphragm sleeve wound in a ring shape is installed in the installation cavity, the diaphragm sleeve wound is convenient to unfold through rotation, and use is more convenient.

[0008] According to some embodiments of the utility model, the installation part is annular and is sleeved on the outer side of the catheter, and the installation cavity is annular and surrounds the catheter.

[0009] According to some embodiments of the utility model, the installation part includes an inner baffle and an outer baffle, the inner baffle is connected to the side of the base away from the sampling air bag and is sleeved on the outer side of the catheter, the outer baffle is connected to the side of the base away from the sampling air bag and is sleeved on the outer side of the inner baffle, wherein the installation cavity is formed between the outer baffle and the inner baffle, and an annular opening for the diaphragm sleeve to pass through is formed between the end of the inner baffle away from the base and the end of the outer baffle away from the base.

[0010] According to some embodiments of the utility model, one of the inner baffle and the outer baffle is fixedly connected to the base, and the other is detachably connected to the base.

[0011] According to some embodiments of the utility model, the inner baffle is fixedly connected to the base, and the outer baffle is detachably connected to the base.

[0012] According to some embodiments of the utility model, the side of the base away from the sampling air bag is provided with a baffle groove, and the outer baffle is inserted into the baffle groove.

[0013] According to some embodiments of the utility model, a magnetic strip is installed at the bottom end in the baffle groove, and the outer baffle is configured to be adsorbed to the magnetic strip.

[0014] According to some embodiments of the utility model, the end of the two side walls of the baffle groove away from the magnetic strip is formed with an inclined surface, and the two inclined surfaces are away from each other in the direction away from the magnetic strip.

[0015] According to some embodiments of the utility model, one end of the outer baffle away from the base is bent to form a bending part towards the inner baffle, and the annular opening is formed between the inner side of the bending part and the inner baffle.

[0016] According to some embodiments of the utility model, the sampling device for digestive system department further includes a throat pad, the throat pad is connected to one side of the base close to the sampling air bag, the throat pad is formed with a through hole, the catheter is arranged in the through hole, and the outer surface of the throat pad is provided with a tooth groove.

[0017] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in combination with the drawings and embodiments, wherein:

[0019] Figure 1 It is the whole structure schematic diagram of sampling device for digestive system department of the utility model;

[0020] Figure 2 It is Figure 1 Partial explosion map;

[0021] Figure 3 It is Figure 1 Partial sectional view of;

[0022] Figure 4 It is Figure 2 Sectional view of;

[0023] Figure 5 It is Figure 3 Enlarged view of A in the figure.

[0024] DRAWINGS

[0025] Material taking assembly 100, catheter 101, sampling air bag 102, gas filling and releasing structure 103;

[0026] Base 200, sleeve hole 201, baffle groove 202, magnetic stripe 203, inclined plane 204;

[0027] Diaphragm assembly 300, mounting part 301, diaphragm sleeve 302, mounting cavity 303, inner baffle 304, outer baffle 305, annular opening 306, bending part 307;

[0028] Throat pad 400, through hole 401, tooth groove 402. DETAILED DESCRIPTION

[0029] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation of the present application.

[0030] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0031] In the description of the present application, more than two means more than two. If there is a description of first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0032] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application according to the specific content of the technical scheme.

[0033] The following refers to Figures 1 to 5 The digestive internal medicine sampling device according to the embodiments of the present application is described.

[0034] As Figures 1 to 5 shown, the digestive internal medicine sampling device according to the embodiments of the present application comprises a material taking assembly 100, a base 200 and a diaphragm assembly 300.

[0035] The material taking assembly 100 comprises a catheter 101 and a sampling air bag 102, the sampling air bag 102 is connected to one end of the catheter 101, and the end of the catheter 101 away from the sampling air bag 102 can be used to connect a gas charging and discharging structure 103, such as a gas pump. The gas pump can be an electric gas pump or a manual gas pump. The gas pump can be a miniature gas pump, which can move together with the digestive internal medicine sampling device, facilitating carrying. The gas pump can also be a large gas pump, and the end of the catheter 101 away from the sampling air bag 102 is detachably connected with the gas pump. The sampling air bag 102 can expand when air enters and contract when air exits. The outer surface of the sampling air bag 102 can be a rough surface or provided with material taking stripes, etc. to facilitate the adhesion of mucosal exfoliative cells, etc.

[0036] The base 200 is formed with a sleeve hole 201 and is sleeved outside the catheter 101 through the sleeve hole 201, for example, the base 200 can be a circular plate structure in a ring shape, the catheter 101 is arranged in the sleeve hole 201 and can move relative to the base 200, so as to facilitate insertion and extraction of the sampling air bag 102 into and from the human digestive tract, and the base 200 can be close to the mouth of the human body when the sampling air bag 102 is inserted into the human digestive tract.

[0037] The diaphragm assembly 300 comprises a mounting portion 301 and a diaphragm sleeve 302, the mounting portion 301 is arranged on the base 200, for example, the mounting portion 301 can be arranged on the end face of the side of the base 200 away from the sampling air bag 102, the mounting portion 301 can be in a ring shape and is sleeved outside the catheter 101, the mounting portion 301 is formed with a mounting cavity 303, the mounting cavity 303 can be in a ring shape and surrounds the catheter 101, the diaphragm sleeve 302 can be a medical film, the diaphragm sleeve 302 is in a sleeve structure, the diaphragm sleeve 302 is wound in a ring shape and is sleeved outside the catheter 101, the diaphragm sleeve 302 is arranged in the mounting cavity 303, when the diaphragm sleeve 302 rotates, one end of the diaphragm sleeve 302 can gradually expand, and when the diaphragm sleeve 302 expands, the diaphragm sleeve 302 can extend out of the mounting cavity 303, and the expanded part of the diaphragm sleeve 302 is sleeved outside the catheter 101 on the side of the base 200 away from the sampling air bag 102, so as to facilitate wrapping the catheter 101 on the side of the base 200 away from the sampling air bag 102, when the catheter 101 and the sampling air bag 102 are extracted, the diaphragm sleeve 302 also gradually expands, and thus the part of the catheter 101 extracted from the human digestive tract can be gradually wrapped.

[0038] In the utility model, one end of the catheter 101 away from the sampling air bag 102 can be used for connecting a gas charging and discharging structure 103, for example, a gas pump, in use, the sampling air bag 102 is inserted into the human digestive tract, then air is filled into the sampling air bag 102, the sampling air bag 102 expands and adheres to the mucosa and the exfoliated cells, then the catheter 101 and the sampling air bag 102 are extracted, in the process of extraction, the diaphragm sleeve 302 is expanded from the mounting cavity 303, and the expanded part of the diaphragm sleeve 302 is sleeved and wrapped outside the catheter 101, so as to avoid that the catheter 101 carries out odors, sundries and viruses and the like to affect medical staff.

[0039] According to the sampling device for a department of gastroenterology in the utility model embodiment, since the diaphragm sleeve 302 is in a sleeve structure and is sleeved on the catheter 101, and thus the expanded part of the diaphragm sleeve 302 can fully wrap the catheter 101 in the circumferential direction, so as to avoid that the catheter 101 is not wrapped in part, and the wrapping effect of the catheter 101 is better. In addition, the diaphragm sleeve 302 wound in a ring shape is arranged in the mounting cavity 303, so that the wound diaphragm sleeve 302 is expanded through rotation, and use is more convenient.

[0040] In some embodiments of the utility model, for example, Figures 2 to 4As shown, the mounting portion 301 is annular and sleeved outside the catheter 101, and the mounting cavity 303 is annular and surrounds the catheter 101. In this embodiment, the mounting portion 301 and the mounting cavity 303 are both annular, so that the rolled diaphragm sleeve 302 can be completely accommodated, which not only makes the installation of the rolled diaphragm sleeve 302 more convenient and stable, but also enables the rolled diaphragm sleeve 302 to rotate at each position in the circumferential direction, thereby making the rotation of the diaphragm sleeve 302 more stable when it is unfolded and reducing the occurrence of jamming.

[0041] It should be noted that the mounting portion 301 can also have other structures. For example, the mounting portion 301 can include a plurality of mounting units arranged along the circumferential direction of the catheter 101, and each mounting unit is provided with a mounting cavity 303, and the rolled annular diaphragm sleeve 302 is fitted into the plurality of mounting cavities 303.

[0042] In some embodiments of the present application, as shown in Figures 2 to 4 As shown, the mounting portion 301 includes an inner baffle 304 and an outer baffle 305, the inner baffle 304 is connected to the side of the base 200 away from the sampling air bag 102 and is sleeved outside the catheter 101, and the outer baffle 305 is connected to the side of the base 200 away from the sampling air bag 102 and is sleeved outside the inner baffle 304, wherein the mounting cavity 303 is formed between the outer baffle 305 and the inner baffle 304, and the annular opening 306 for the diaphragm sleeve 302 to pass through is formed between the end of the inner baffle 304 away from the base 200 and the end of the outer baffle 305 away from the base 200.

[0043] In this embodiment, the mounting cavity 303 is formed by the inner baffle 304, the outer baffle 305 and the base 200, and the annular opening 306 for the diaphragm sleeve 302 to pass through is formed between the end of the inner baffle 304 away from the base 200 and the end of the outer baffle 305 away from the base 200, so that the installation of the rolled diaphragm sleeve 302 is more convenient and stable, and the diaphragm sleeve 302 is unfolded from the side of the base 200 away from the sampling air bag 102, thereby making it more convenient for the diaphragm sleeve 302 to wrap the catheter 101.

[0044] In some embodiments of the present application, as shown in Figures 2 to 4As shown, one of the inner baffle 304 and the outer baffle 305 is fixedly connected to the base 200, and the other is detachably connected to the base 200. For example, the inner baffle 304 can be fixedly connected to the base 200, and the outer baffle 305 can be detachably connected to the base 200. In this way, when it is necessary to install the rolled diaphragm sleeve 302, the outer baffle 305 or the inner baffle 304 is removed, and then the rolled diaphragm sleeve 302 is sleeved on the outside of the inner baffle 304 or the inside of the outer baffle 305, and then the outer baffle 305 or the inner baffle 304 is installed. The operation is more convenient, and more time and labor are saved.

[0045] It should be noted that the rolled diaphragm sleeve 302 can also be installed in the installation cavity 303 in other ways. For example, the inner baffle 304 and the outer baffle 305 can be made of elastic plastic. In this way, the rolled diaphragm sleeve 302 can be squeezed into the installation cavity 303.

[0046] In some embodiments of the utility model, as shown in Figures 2 to 4 The inner baffle 304 is fixedly connected to the base 200, and the outer baffle 305 is detachably connected to the base 200. In this embodiment, the outer baffle 305 is detachable, and the inner baffle 304 is fixedly connected to the base 200. In this way, when the diaphragm sleeve 302 is expanded, even if the diaphragm sleeve 302 exerts a frictional force on the inner baffle 304, the inner baffle 304 will not move, and the installation is stable. In addition, the outer baffle 305 is located on the outside, and compared with the detachable inner baffle 304, it is more convenient for the user to perform the disassembly operation.

[0047] In some embodiments of the utility model, as shown in Figures 2 to 5 The side of the base 200 away from the sampling air bag 102 is provided with a baffle groove 202, and the outer baffle 305 is inserted into the baffle groove 202. For example, the baffle groove 202 can be annular and surround the catheter 101. In this embodiment, the baffle groove 202 is provided, and the outer baffle 305 is inserted into the baffle groove 202, so that the detachable installation of the outer baffle 305 is realized, which is simple, convenient, time-saving and labor-saving.

[0048] It should be noted that the outer baffle 305 can also be detachably connected to the base 200 in other ways. For example, it can also be connected to the base 200 by a plurality of fasteners.

[0049] In some embodiments of the utility model, as shown in Figure 5 The bottom end in the baffle groove 202 is provided with a magnetic stripe 203, and the outer baffle 305 is configured to be adsorbed to the magnetic stripe 203. In this embodiment, the bottom end in the baffle groove 202 is provided with a magnetic stripe 203, and the outer baffle 305 is provided as a magnetic body such as an iron plate, which facilitates further adsorption and fixation of the outer baffle 305.

[0050] It should be noted that the outer baffle 305 can be other structures capable of being adsorbed to the magnetic strip 203 in addition to the iron plate, which will not be described here.

[0051] In some embodiments of the utility model, as shown in Figure 5 The two side walls of the baffle groove 202 are formed with inclined surfaces 204 away from the magnetic strip 203, and the two inclined surfaces 204 are away from each other in the direction away from the magnetic strip 203. In this way, when the outer baffle 305 is installed, it is more convenient to accurately and quickly insert the outer baffle 305 into the baffle groove 202, and the installation is more convenient.

[0052] In some embodiments of the utility model, as shown in Figures 2 to 4 The end of the outer baffle 305 away from the base 200 is bent to form a bent portion 307 toward the inner baffle 304, and an annular opening 306 is formed between the inner side of the bent portion 307 and the inner baffle 304. In this embodiment, the cross section of the outer baffle 305 in the circumferential direction is approximately L-shaped after being bent, the bent portion 307 can limit the rolled diaphragm sleeve 302, avoid the rolled diaphragm sleeve 302 from moving randomly in the installation cavity 303, make the installation of the rolled diaphragm sleeve 302 more stable, and the annular opening 306 is formed between the inner side of the bent portion 307 and the inner baffle 304, making the annular opening 306 closer to the inner baffle 304, and the inner baffle 304 can support and guide the unfolded diaphragm sleeve 302, thereby making it more convenient for the unfolded diaphragm sleeve 302 to wrap the catheter 101.

[0053] In some embodiments of the utility model, as shown in Figures 1 to 4 The digestive system sampling device further comprises a throat pad 400 connected to one side of the base 200 close to the sampling air bag 102, the throat pad 400 is formed with a through hole 401, the catheter 101 is arranged in the through hole 401, and the outer surface of the throat pad 400 is provided with a tooth groove 402. When the sampling air bag 102 is inserted into the digestive tract of the patient, the patient can bite the throat pad 400, the throat pad 400 partially extends into the throat, and the throat pad 400 is used to further support the catheter 101 and reduce the pressure of the catheter 101 on the throat of the patient. The outer surface of the throat pad 400 is provided with a tooth groove 402, the design of the tooth groove 402 can enhance the adaptability and stability of the throat pad 400 and the oral structure of the patient, simulate the shape of the tooth occlusion, and the tooth groove 402 can provide a natural occlusion point for the patient, so that the oral cavity of the patient can remain stable during the sampling process, and the sampling error caused by movement or discomfort is reduced.

[0054] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. A gastroenterological sampling device, characterized by, The utility model relates to a medical device technical field, and particularly relate to a digestive internal medicine sampling device. The utility model discloses a sampling assembly, including the guide pipe and the sampling air bag, the sampling air bag is connected to one end of guide pipe, The utility model discloses a base is formed with the sleeve hole and is set on the outside of guide pipe through the sleeve hole, The utility model discloses a diaphragm assembly, including the installation part and the diaphragm sleeve, the installation part is arranged on the base, the installation part is formed with the installation cavity, the diaphragm sleeve is rolled into annular and is set on the outside of guide pipe, the diaphragm sleeve is installed in the installation cavity, when the diaphragm sleeve is unfolded, can extend in the installation cavity to the guide pipe is wrapped.

2. The gastroenterological sampling device according to claim 1, characterized by The installation part is annular and set on the outside of guide pipe, and the installation cavity is annular and surrounds the guide pipe.

3. The gastroenterological sampling device according to claim 2, characterized in that The utility model discloses the installation part includes: The inner baffle is connected to the side of base away from the sampling air bag and is set on the outside of guide pipe, The outer baffle is connected to the side of base away from the sampling air bag and is set on the outside of inner baffle, Wherein, the installation cavity is formed between the outer baffle and the inner baffle, and the annular opening is formed between the end of the inner baffle away from the base and the end of the outer baffle away from the base for the diaphragm sleeve to pass through.

4. The gastroenterological sampling device according to claim 3, characterized by One of the inner baffle and the outer baffle is fixedly connected to the base, and the other is detachably connected to the base.

5. The gastroenterological sampling device according to claim 4, wherein The inner baffle is fixedly connected to the base, and the outer baffle is detachably connected to the base.

6. The gastroenterological sampling device according to claim 5, wherein The side of base away from the sampling air bag is provided with a baffle groove, and the outer baffle is inserted into the baffle groove.

7. The gastroenterological sampling device according to claim 6, wherein The bottom end of the baffle groove is provided with a magnetic strip, and the outer baffle is configured to be attracted to the magnetic strip.

8. The gastroenterological sampling device according to claim 7, characterized by The ends of the two side walls of the baffle groove away from the magnetic strip are formed with inclined surfaces, and the two inclined surfaces are away from each other in the direction away from the magnetic strip.

9. The gastroenterological sampling device according to claim 3, wherein The end of the outer baffle away from the base is bent towards the inner baffle to form a bent portion, and the annular opening is formed between the inner side of the bent portion and the inner baffle.

10. The gastroenterological sampling device according to claim 1, characterized by The utility model discloses a digestive internal medicine sampling device further includes: The throat pad is connected to the side of base close to the sampling air bag, the throat pad is formed with a through hole, the guide pipe is inserted into the through hole, and the outer surface of the throat pad is provided with a tooth groove.