CN219814288U

CN219814288U - Endoscope sheath

Info

Publication number: CN219814288U
Application number: CN202322381379.2U
Authority: CN
Inventors: 徐勇生; 蒋艳荣; 刘自成
Original assignee: Hunan Yingshu Life Technology Co ltd
Current assignee: Hunan Yingshu Life Technology Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2023-10-13
Anticipated expiration: 2033-09-04

Abstract

The utility model relates to the technical field of medical treatment, and particularly discloses an endoscope sheath, which comprises a connector and a sheath tube, wherein the connector and the sheath tube are integrally formed; the inner wall of one end of the sheath tube, which is far away from the connector, is provided with a first air bag and a second air bag, the first air bag is positioned on one side of the second air bag, which is far away from the connector, the first air bag is used for closing the gap between the puncture needle and the inner wall of the sheath tube and wiping the puncture needle, and the second air bag is used for closing the gap between the endoscope tube and the sheath tube and wiping the endoscope tube; the upper section of the sheath tube is prevented from being accessed by body fluid, after the endoscope is inserted, the upper section of the endoscope can be prevented from being contacted with the body fluid, and the contact part of the endoscope and the body fluid can be removed by the extrusion wiping of the first air bag and the second air bag to the endoscope, so that the endoscope can be conveniently disinfected, and the pollution caused by the dripping of the body fluid when the endoscope is extracted from the sheath tube can be avoided.

Description

Endoscope sheath

Technical Field

The utility model relates to the technical field of medical treatment, in particular to an endoscope sheath.

Background

An endoscope is a device with an imaging device at the front end, which enters the human body through a natural duct of the human body or through a small incision made by operation. When in use, the endoscope is led into the organ to be inspected, the image of the relevant focus part can be directly peeped, the doctor can be helped to more comprehensively inspect the condition in the cavity, and the operation can be carried out under the visual condition, so that the safety of the operation is greatly improved.

The endoscope sheath is used as a common accessory of the endoscope, and has the functions of generally matching with the puncture needle to establish a channel on a human body, and the existing sheath tube for establishing the channel is sleeved on the puncture needle and then inserted into the human body in the use process, and then the puncture needle is taken down, so that the endoscope stretches into the sheath tube through the endoscope sheath. When the endoscope is replaced, body fluid can appear in the sheath tube inserted into the human body, and after the endoscope is inserted into the sheath tube, the surface of the endoscope can be contacted with the body fluid in the sheath tube, so that the surface of the endoscope is prevented from being contacted with the body fluid, and the disinfection difficulty of the endoscope after the endoscope is used is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an endoscope sheath which has the advantage of being capable of reducing the contact area between an endoscope and body fluid and solves the problems in the background art.

The endoscope sheath comprises a connector and a sheath tube, wherein the connector and the sheath tube are integrally formed, the connector is used for being arranged on an endoscope, and the sheath tube is used for being sleeved on the endoscope tube;

the inner wall of one end of the sheath tube, which is far away from the connector, is provided with a first air bag and a second air bag, the first air bag is positioned at one side of the second air bag, which is far away from the connector, and is used for closing the gap between the puncture needle and the inner wall of the sheath tube and wiping the puncture needle, and the second air bag is used for closing the gap between the endoscope tube and the sheath tube and wiping the endoscope tube;

the inside of sheath pipe is equipped with first gas injection hole and second gas injection hole, first gas injection hole and second gas injection hole are linked together with first gasbag and second gasbag respectively, be equipped with the gas injection pipe with first gas injection hole and second gas injection hole intercommunication on the connector, two gas injection pipes have the inflation pipe through the three-way pipe intercommunication, two all be equipped with the sealing valve on the gas injection pipe.

In some embodiments, the first balloon and the second balloon are annular balloons, the diameter of the inner wall of the first balloon and the second balloon before inflation is larger than that of the puncture needle and the endoscope tube, and the inner walls of the first balloon and the second balloon are attached together after inflation.

In some embodiments, the first air bag and the second air bag each comprise two closed cavities and a squeezing cavity, the squeezing cavity is located between the two closed cavities, and the outer wall of the squeezing cavity is provided with a wiping ring.

In some embodiments, the wiper ring is made of a deformable material having an inner diameter prior to deformation that is greater than the needle and the endoscope tube.

In some embodiments, the inner wall of the sheath between the connector and the second balloon is provided with a guiding mechanism for guiding the puncture needle and the endoscope tube to be located in the center of the sheath.

In some embodiments, the guide mechanism includes a rubber tab.

In some embodiments, the distal end of the sheath is arcuate in design.

In some embodiments, the sheath tube is internally provided with a liquid injection channel, the tail end of the liquid injection channel is positioned on the inner wall of the tail end of the sheath tube, the starting end of the liquid injection channel is positioned in the connector, the connector is provided with a communicating pipe, and the communicating pipe is provided with a through valve.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the first air bag and the second air bag, gaps are not formed among the puncture needle, the endoscope and the inner wall of the sheath, so that body fluid can be prevented from entering the upper section of the sheath, the upper section of the endoscope can be prevented from being contacted with the body fluid after the endoscope is inserted, and the contact part of the endoscope and the body fluid can be removed by wiping the endoscope by the first air bag and the second air bag, so that the endoscope can be conveniently disinfected, and pollution caused by body fluid dripping when the endoscope is extracted from the sheath can be avoided.

2. According to the utility model, after the puncture needle is withdrawn, the sheath tube is closed by the first air bag, so that body fluid is prevented from rushing out of the sheath tube.

3. According to the utility model, the first air bag and the second air bag are further improved, and the wiping rings are arranged on the first air bag and the second air bag, so that the effect of wiping and removing body fluid is better when the puncture needle and the endoscope pass through.

4. The liquid injection channel, the communicating pipe and the through valve are arranged, so that the direct treatment of the tissue of the lesion area can be facilitated, and the patient can be treated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a semi-cutaway structure of an embodiment;

FIG. 2 is a schematic view of the structure of a puncture needle according to the first embodiment after being inserted into a sheath;

FIG. 3 is a schematic view showing the structure of a puncture needle according to the first embodiment after the sheath is withdrawn;

FIG. 4 is a schematic cross-sectional view of an embodiment of a puncture needle after insertion into a sheath;

fig. 5 is a schematic view showing the structure of a puncture needle according to the second embodiment after being inserted into a sheath.

In the figure: 1. a puncture needle; 2. a sheath; 3. a first air bag; 4. a second air bag; 5. a first gas injection hole; 6. a second gas injection hole; 7. an air injection pipe; 8. an inflation catheter; 9. a liquid injection channel; 10. a communicating pipe; 11. a straight-through valve; 12. closing the cavity; 13. an extrusion chamber; 14. a wiper ring; 15. rubber bumps; 16. and (5) a connector.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, in which details are set forth in the following description for the sake of clarity. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Embodiment one: referring to fig. 1-3, the endoscope sheath of the present utility model includes a connector 16 and a sheath tube 2, wherein the connector 16 and the sheath tube 2 are integrally formed, the connector 16 is used for being mounted on an endoscope, and the sheath tube 2 is used for being sleeved on an endoscope tube;

the inner wall of one end of the sheath tube 2 far away from the connector 16 is provided with a first air bag 3 and a second air bag 4, the first air bag 3 is positioned on one side of the second air bag 4 far away from the connector 16, the first air bag 3 is used for closing the gap between the puncture needle 1 and the inner wall of the sheath tube 2 and wiping the puncture needle 1, and the second air bag 4 is used for closing the gap between the endoscope tube and the sheath tube 2 and wiping the endoscope tube;

a first air injection hole 5 and a second air injection hole 6 are formed in the sheath tube 2, the first air injection hole 5 and the second air injection hole 6 are respectively communicated with the first air bag 3 and the second air bag 4, an air injection tube 7 communicated with the first air injection hole 5 and the second air injection hole 6 is arranged on the connector 16, the two air injection tubes 7 are communicated with an air inflation guide tube 8 through a three-way tube, and sealing valves are arranged on the two air injection tubes 7;

the guiding mechanism is arranged on the inner wall of the sheath tube 2 between the connector 16 and the second air bag 4 and is used for guiding the puncture needle 1 and the endoscope tube to be positioned in the center of the sheath tube 2, and the guiding mechanism comprises a rubber bump 15, and the rubber bump 15 can prevent the puncture needle 1 from inclining in the sheath tube 2 to be poked into the first air bag 3 and the second air bag 4.

The first air bag 3 and the second air bag 4 are annular air bags, the diameter of the inner wall of the first air bag 3 and the second air bag 4 before expansion is larger than that of the puncture needle 1 and the endoscope tube, and the inner walls of the first air bag 3 and the second air bag 4 after expansion are attached together.

This embodiment, when in use:

the first balloon 3 and the second balloon 4 are in an uninflated state, and then the puncture needle 1 is inserted into the device, wherein the arrangement of the rubber bump 15 can avoid the puncture needle 1 from tilting in the sheath 2 to cause and poke the first balloon 3 and the second balloon 4;

then the inflatable catheter 8 is communicated with an external inflatable device, such as an injector, and gas is injected into the first air bag 3 after being communicated with the inflatable device, so that the first air bag 3 is inflated, the first air bag 3 is attached to the surface of the puncture needle 1 after being inflated, referring to fig. 2, then the sheath 2 is inserted into a human body with the help of the puncture needle 1, and body fluid can be prevented from occurring in the sheath 2 due to the attachment of the first air bag 3 to the surface of the puncture needle 1;

when the puncture needle 1 is taken down, the part of the puncture needle 1, which extends out of the sheath tube 2 and is contacted with body fluid, can wipe the body fluid on the puncture needle 1 under the extrusion of the first air bag 3, so that the body fluid on the puncture needle 1 is prevented from entering the upper section of the sheath tube 2, and when the puncture needle 1 completely passes through the first air bag 3, the inner diameter of the first air bag 3 is reduced to be attached, as shown in fig. 3, so that the body fluid can be prevented from entering the upper section of the sheath tube 2, and the contact area of an endoscope and the body fluid is reduced, and meanwhile, the body fluid can be prevented from flowing out of the sheath tube 2;

then the endoscope is inserted into the sheath tube 2 through the communicating tube 10, when the endoscope is inserted with a blocking sense, namely, the detection end of the endoscope passes through the second air bag 4 and is blocked by the first air bag 3, then the second air bag 4 needs to be started, the force for inserting the endoscope is increased after the second air bag 4 is started, so that the endoscope passes through the first air bag 3, after the endoscope is taken down, the contact area between the endoscope and the body fluid is reduced because no body fluid enters between the first air bag 3 and the connector 16, so that the subsequent disinfection is facilitated, and because the first air bag 3 and the second air bag 4 are extruded, the body fluid contacted with the endoscope can be wiped and isolated by the first air bag 3 and the second air bag 4 when the endoscope is extracted, thus the surface of the endoscope is primarily cleaned, and the pollution caused by the body fluid dripping during the extraction of the endoscope can be avoided.

Embodiment two: referring to fig. 5, as a further improvement of the first embodiment, unlike the first embodiment, the first balloon 3 and the second balloon 4 each include two closed cavities 12 and a pressing cavity 13, the pressing cavity 13 is located between the two closed cavities 12, and the outer wall of the pressing cavity 13 is provided with a wiping ring 14, the wiping ring 14 is made of a deformable material, and the inner diameter of the wiping ring before deformation is larger than that of the puncture needle 1 and the endoscope tube.

In use, wherein the first balloon 3 and the second balloon 4 are inflated, the wiping ring 14 will conform to the surface of the endoscope, in this embodiment the wiping ring 14 may be made of a sponge, thereby increasing the removal of body fluids from the needle 1 as well as from the endoscope.

In the first and second embodiments, the distal end of the sheath tube 2 is arc-shaped to facilitate insertion into the human body.

Embodiment III: referring to fig. 1-4, a liquid injection channel 9 is provided in the sheath 2, the end of the liquid injection channel 9 is located on the inner wall of the end of the sheath 2, the start end of the liquid injection channel 9 is located in a connector 16, a communicating pipe 10 is provided on the connector 16, and a through valve 11 is provided on the communicating pipe 10.

When in use:

the through valve 11 can be connected to an external infusion system and then the drug can be delivered to the tissue of the lesion through the infusion channel 9 to treat the patient.

The above is merely an embodiment of the present utility model, and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. An endoscope sheath, includes connector (16) and sheath pipe (2), its characterized in that:

the connector (16) and the sheath tube (2) are integrally formed, the connector (16) is used for being arranged on an endoscope, and the sheath tube (2) is used for being sleeved on the endoscope tube;

the inner wall of one end of the sheath tube (2) far away from the connector (16) is provided with a first air bag (3) and a second air bag (4), the first air bag (3) is positioned on one side of the second air bag (4) far away from the connector (16), the first air bag (3) is used for closing a gap between the puncture needle (1) and the inner wall of the sheath tube (2) and wiping the puncture needle (1), and the second air bag (4) is used for closing a gap between the endoscope tube and the sheath tube (2) and wiping the endoscope tube;

the inside of sheath pipe (2) is equipped with first gas injection hole (5) and second gas injection hole (6), first gas injection hole (5) and second gas injection hole (6) are linked together with first gasbag (3) and second gasbag (4) respectively, be equipped with on connector (16) with gas injection pipe (7) of first gas injection hole (5) and second gas injection hole (6) intercommunication, two gas injection pipes (7) have inflation pipe (8) through the three-way pipe intercommunication, two all be equipped with the sealing valve on gas injection pipe (7).

2. An endoscopic sheath according to claim 1, wherein: the first air bag (3) and the second air bag (4) are annular air bags, the diameter of the inner wall of the first air bag (3) and the diameter of the inner wall of the second air bag (4) before expansion are larger than those of the puncture needle (1) and the endoscope tube, and the inner walls of the first air bag (3) and the second air bag (4) after expansion are attached together.

3. An endoscopic sheath according to claim 2, wherein: the first air bag (3) and the second air bag (4) comprise two closed cavities (12) and an extrusion cavity (13), the extrusion cavity (13) is positioned between the two closed cavities (12), and a wiping ring (14) is arranged on the outer wall of the extrusion cavity (13).

4. An endoscopic sheath according to claim 3, wherein: the wiping ring (14) is made of deformable material, and the inner diameter of the wiping ring before deformation is larger than that of the puncture needle (1) and the endoscope tube.

5. An endoscopic sheath according to claim 4, wherein: the inner wall of the sheath tube (2) between the connector (16) and the second air bag (4) is provided with a guiding mechanism which is used for guiding the puncture needle (1) and the endoscope tube to be positioned in the center of the sheath tube (2).

6. An endoscopic sheath according to claim 5, wherein: the guide mechanism comprises a rubber lug (15).

7. An endoscopic sheath according to claim 1, wherein: the tail end of the sheath tube (2) is in an arc-shaped design.

8. An endoscopic sheath according to claim 1, wherein: the novel liquid injection device is characterized in that a liquid injection channel (9) is formed in the sheath tube (2), the tail end of the liquid injection channel (9) is located on the inner wall of the tail end of the sheath tube (2), the starting end of the liquid injection channel (9) is located in a connector (16), a communicating pipe (10) is arranged on the connector (16), and a straight-through valve (11) is arranged on the communicating pipe (10).