CN213464949U

CN213464949U - Disposable medical examination device for endoscope

Info

Publication number: CN213464949U
Application number: CN202021036821.8U
Authority: CN
Inventors: 董国庆
Original assignee: Beijing Fanxing Guangdian Medical Treatment Equipment Co ltd
Current assignee: Beijing Fanxing Guangdian Medical Treatment Equipment Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-06-18
Anticipated expiration: 2030-06-08

Abstract

The embodiment of the utility model discloses a disposable medical examination device for supplying endoscope, relating to the technical field of medical apparatus. The manufacturing and the use are convenient, and the manual assembly error possibly generated during the assembly can be avoided. The method comprises the following steps: the handle comprises a shell, a traction piece adjusting handle is arranged outside the shell, a traction piece adjusting shaft is arranged in a cavity in the shell, and the traction piece adjusting shaft is connected with the traction piece adjusting handle; a first channel, a second channel and a third channel are arranged in the main body pipe in parallel along the axial direction of the main body pipe, and the first channel, the second channel and the third channel are isolated from each other; the first end of the main body pipe is connected to the handle and is of an integrally formed structure with the handle, and the first channel, the second channel and the third channel are communicated with the cavity in the shell; the traction piece is arranged in the first channel, one end of the traction piece is connected to the traction piece adjusting shaft, and the other end of the traction piece is connected to the second end of the main body pipe.

Description

Disposable medical examination device for endoscope

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a disposable medical examination device for an endoscope.

Background

The endoscope is used as a medical detection instrument and can enter a natural channel of a human body to perform lesion examination on internal organs of the human body. At present, the endoscope mainly comprises a handle and a main body tube, the handle and the main body tube are detachably connected, and the main body tube can be detached for disinfection in use due to the fact that the handle is in transmission connection with the front end of the main body tube through an inner steel wire, the main body tube can be directly replaced for one time, and manual errors can be generated during manufacturing assembly or reassembly to influence the normal use of the endoscope.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a disposable medical examination apparatus for an endoscope, which is easy to manufacture and use, and can solve or avoid the above-mentioned problems,

in order to achieve the above object of the present invention, an endoscope provided by the embodiment of the present invention includes: the handle comprises a shell, a traction piece adjusting handle is arranged outside the shell, a traction piece adjusting shaft is arranged in a cavity in the shell, and the traction piece adjusting shaft is connected with the traction piece adjusting handle;

a first channel, a second channel and a third channel are arranged in the main body pipe in parallel along the axial direction of the main body pipe, and the first channel, the second channel and the third channel are isolated from each other;

the first end of the main body pipe is connected to the handle and is of an integrally formed structure with the handle, and the first channel, the second channel and the third channel are communicated with the cavity in the shell;

the traction piece is arranged in the first channel, one end of the traction piece is connected to the traction piece adjusting shaft, and the other end of the traction piece is connected to the second end of the main body pipe.

Optionally, the main body tube comprises a rigid tube section and a flexible tube section, the rigid tube section is located at a first end of the main body tube and is integrally connected with the handle, and the flexible tube section is located at a second end of the main body tube.

Optionally, the main body tube comprises a tube body, the first, second and third channels being formed on the tube body.

Optionally, the handle comprises a handle body, and a main pipe connecting nozzle is arranged at a first end of the handle body;

the first end of main part pipe certainly main part pipe connection mouth stretches into in the cavity in the casing, the outer wall of the first end of main part pipe with the inner wall body coupling of main part pipe connection mouth.

Optionally, the handle comprises a handle body, an electric circuit connection nozzle is arranged at a first end of the handle body, and a channel inside the electric circuit connection nozzle is communicated with the cavity in the shell; the electrical line connection nozzle is adjacent to and arranged in parallel with the main body pipe connection nozzle.

Optionally, the voltage comparison unit circuit is connected to the first end of the handle body, the second end of the handle body is provided with a switch driving unit circuit, the switch driving unit circuit is connected to the second end of the handle body, a channel inside the switch driving unit circuit is communicated with the cavity inside the casing, and the channel inside the switch driving unit circuit corresponds to the second channel inside the main body pipe.

Optionally, a stop cover is arranged at the second end of the main tube, and the second end of the traction member is connected to the stop cover.

Optionally, the blocking cover is provided with a step through hole at a position corresponding to the opening of the first passage, the step through hole comprises a first through hole and a second through hole which are connected, the inner diameter of the second through hole is larger than that of the first through hole, the second end of the traction piece is provided with a blocking piece, the second end of the traction piece sequentially penetrates through the first through hole and the second through hole, and passes through the blocking piece which is fixedly connected to the step surface in the second through hole, and the blocking cover is connected to the end part of the second end of the main pipe.

Optionally, a blocking cover is arranged at the end of the second end of the main pipe, an accommodating hole is formed in the blocking cover at a position corresponding to the opening of the first channel, a blocking piece is arranged at the second end of the traction piece, and the blocking piece is fixedly connected to the second end of the main pipe and arranged in the accommodating hole. Optionally, the second end of the main tube has a groove, and the stop cover is disposed in the groove.

Optionally, a through hole is formed in the position, corresponding to the opening of the second channel, on the blocking cover, and a transparent window is formed in the position, corresponding to the opening of the third channel.

Optionally, the traction element is a steel wire or a flexible rope.

Optionally, a liquid suction pipeline interface is arranged on the shell, and a channel inside the liquid suction pipeline interface is communicated with the second channel.

Optionally, the housing is further provided with a function button for controlling an external liquid suction device.

Optionally, the outer diameter of the main pipe is 5-10 mm.

Optionally, the main tube comprises a flexible tube, a first rigid tube and a second rigid tube; the first channel, the second channel and the third channel are arranged in the flexible pipe;

the end part of the first end of the flexible pipe is integrally connected with the handle;

the first rigid pipe is sleeved on the periphery of the first end of the flexible pipe, and the inner wall of the first rigid pipe is tightly attached to the outer wall of the first end of the flexible pipe;

the length of the second rigid pipe is smaller than that of the first rigid pipe, the second rigid pipe is sleeved on the periphery of the second end of the flexible pipe, and the inner wall of the second rigid pipe is tightly attached to the outer wall of the second end of the flexible pipe;

the part of the flexible pipe, which is positioned between the first rigid pipe and the second rigid pipe, is exposed, and the length of the exposed part of the flexible pipe is 2-10 mm.

The embodiment of the utility model provides an endoscope, through inciting somebody to action the first end of main part pipe is connected on the handle, and with the handle is the integrated into one piece structure, and integrated into one piece can avoid probably producing the manual assembly error and influence normal use when handle and main part pipe assembly when the preparation. In addition, the device can be used for one time, is directly and integrally replaced, does not need to be reassembled, is convenient to use, and can avoid manual errors of reassembly. Therefore, the utility model discloses an endoscope can solve or can produce artifical error when avoiding the assembly and influence the technical problem of endoscope's normal use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of an endoscope of the present invention;

FIG. 2 is a perspective schematic view of the endoscope of FIG. 1;

FIG. 3 is a schematic view of one embodiment of a main tube of the endoscope of FIG. 1;

FIG. 4 is an enlarged view of the main tube A of FIG. 3;

FIG. 5 is a schematic structural view of another embodiment of a main tube of the endoscope of FIG. 1;

FIG. 6 is a schematic structural view of an embodiment of a second end of the main tube in FIG. 3 or FIG. 5;

FIG. 7 is a basic view from one perspective of the handle of FIG. 1;

FIG. 8 is a left side view of the handle of FIG. 7;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8;

FIG. 10 is an enlarged schematic view of an embodiment at A in FIG. 1;

FIG. 11 is an enlarged schematic view of an embodiment at A in FIG. 1;

FIG. 12 is a schematic structural view of another embodiment of the main tube of the endoscope in FIG. 1

It should be noted that fig. 10 and fig. 11 are representations similar to the exploded view for the convenience of clarity of the structures, and the connection of the specific structures needs to be understood in combination with the description of the text.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

It should be apparent that numerous technical details are set forth in the following detailed description to provide a more thorough description of the present invention, and it will be apparent to those skilled in the art that the present invention may be practiced without some of these details. In addition, some methods, means, components and applications thereof known to those skilled in the art are not described in detail in order to highlight the gist of the present invention, but the implementation of the present invention is not affected thereby. The embodiments described herein are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides an endoscope can regard as disposable medical supplies, is applicable to internal medicine inspection and operation treatment, and it has simple manufacture, convenient to use's characteristics.

Referring to fig. 1 to 9, an endoscope provided by an embodiment of the present invention includes a handle 100, a main tube 200 and a pulling member 300, wherein the handle 100 includes a casing 101, a pulling member adjusting handle 102 is disposed outside the casing 101, a pulling member adjusting shaft 103 is disposed in a cavity inside the casing 101, and the pulling member adjusting shaft 103 is connected to the pulling member adjusting handle 102;

as shown in fig. 6, a first channel 201, a second channel 202 and a third channel 203 are arranged in parallel in the main body tube 200 along the axial direction of the main body tube 200, and the first channel 201, the second channel 202 and the third channel 203 are isolated from each other.

The first end of the main tube 200 is connected to the handle 100 and is integrated with the handle 100, and the first channel 201, the second channel 202 and the third channel 203 are communicated with the cavity in the housing 101; the traction piece 300 is arranged in the first channel 201, one end of the traction piece 300 is connected to the traction piece adjusting shaft 103, and the other end is connected to the second end of the main tube 200; the second end of the main tube 200 can be bent under the traction of the traction member 300.

The second channel 202 is an instrument channel through which other medical instruments, such as tissue forceps, vascular forceps, etc., can be inserted, and the second channel 202 can also be used as a cleaning or anti-inflammatory fluid injection channel, a fluid suction channel in a human body, etc.

The third channel 203 is an illumination and image acquisition channel, in which third channel 203 optical fibers may be arranged for illumination and an image sensor may be arranged for acquiring images.

The embodiment of the utility model provides an endoscope, through inciting somebody to action the first end of main part pipe 200 is connected on the handle 100, and with handle 100 is the integrated into one piece structure, and integrated into one piece can avoid handle 100 and main part pipe 200 to produce probably the manual assembly error when assembling and influence normal use when the preparation. In addition, it can be regarded as disposable apparatus, direct whole change, need not the reassembling, convenient to use, and can avoid reassembling artificial error.

Therefore, the utility model discloses an endoscope can solve or can produce artifical error when avoiding the assembly and influence the technical problem of endoscope's normal use.

Specifically, the pulling member 300 is a steel wire or a flexible rope. In some embodiments, the pulling member 300 comprises two steel wires, the first channels 201 comprise two, the two first channels 201 are arranged in parallel axially, a rotating wheel is connected to the adjusting shaft 103 of the pulling member, and the two steel wires respectively enter the first channels 201 in the main body from two sides of the rotating wheel and are connected to the second end of the main body tube 200 for adjusting the bending action of the second end of the main body tube 200; the inner rotating wheel is driven to rotate by the traction piece adjusting handle 102 on the handle 100, and then the steel wire is driven to be drawn and stretched, so that the front end of the pipe is bent.

Wherein, the external diameter of main part pipe 200 is 5 ~ 10mm, can be used as the human stomach of gastroscopy. Referring to fig. 3 to 5, the main body tube 200 includes a rigid tube segment 204 and a flexible tube segment 205, the rigid tube segment 204 is located at a first end of the main body tube 200 and is integrally connected to the handle 100, and the flexible tube segment 205 is located at a second end of the main body tube 200. When the second end of the main tube 200 is pulled by the pulling member 300, the second end of the main tube 200 is the flexible tube segment 205, so that the main tube is easy to be pulled and bent, and the operation is labor-saving.

As an optional embodiment, the length ratio of the rigid pipe section 204 to the flexible pipe section 205 is 1: 8 to 1: 10.

In still other alternatives, as shown with reference to fig. 12, the main body tube comprises a flexible tube 204B, a first rigid tube 204A, and a second rigid tube 205A; the first channel, the second channel and the third channel are arranged in the flexible pipe, and the first channel, the second channel and the third channel can be manufactured in the flexible solid pipe through a buckling and pressing process or a punching machine;

the end part of the first end of the flexible pipe is integrally connected with the handle; the first rigid pipe is sleeved on the periphery of the first end of the flexible pipe, and the inner wall of the first rigid pipe is tightly attached to the outer wall of the first end of the flexible pipe;

In this embodiment, the first rigid pipe and the second rigid pipe are sleeved outside the flexible pipe, and the following technical effects are achieved: 1. the flexible pipe is protected; 2. at least part of the flexible tube is kept in a straight-through state, so that instruments or endoscopes can be conveniently and smoothly inserted into or pulled out of corresponding channels; 3. the exposed part of the flexible pipe is convenient for being matched with a traction piece such as a steel wire to pull the end part (the second end) of the flexible pipe, and the second end of the flexible pipe can be flexibly bent. In addition, the technical scheme is better realized in the production process and has lower cost.

In some embodiments, the main body tube 200 includes a tube body on which the first, second, and

third channels

201, 202, 203 are formed. Specifically, the first, second and

third channels

201, 202, 203 may be formed in the tube body in a manner that selectively drills or punches along with the material of the tube body.

Specifically, the handle 100 includes a handle body having a main tube connection nipple 104 at a first end; the first end of the main tube 200 extends into the cavity in the housing 101 from the main tube connection mouth 104, and the outer wall of the first end of the main tube 200 is integrally connected with the inner wall of the main tube connection mouth 104.

The main tube connection mouth 104 can provide a supporting and reinforcing effect for the main tube 200, and prevent the first end of the main tube 200 from being bent, so as to ensure the smoothness of the internal pipeline.

In another alternative embodiment, an electrical circuit connection nozzle 105 is further provided at the first end of the handle body, and a channel inside the electrical circuit connection nozzle 105 is communicated with the cavity inside the housing 101; the electrical line connection mouth 105 is arranged adjacent and in parallel with the main pipe connection mouth 104. Through adjacent being equipped with the electric line connection mouth 105 parallelly connected with main part pipe 200 way connection mouth at the first end of handle main part, the two supports each other, plays the structural strength who further strengthens main part pipe 200 first end to avoid this department of main part pipe 200 to buckle in the use, influence normal use.

In still other embodiments, an instrument guide nozzle 106 is provided at the second end of the handle body for inserting and guiding an instrument into the second channel 202, the channel inside the instrument guide nozzle 106 is in communication with the cavity inside the housing 101, and the channel inside the instrument guide nozzle 106 corresponds to the second channel 202 inside the main tube 200.

In this way, when performing an operation through an endoscope, a forceps or the like can be inserted and guided into the second channel 202 through the instrument guide nozzle 106 to reach the operation site.

Referring to fig. 3 and 4, in still other embodiments, the second end of the main tube 200 is provided with a cap 206 for fixing the pulling member 300, and the second end of the pulling member 300 is connected to the cap 206.

Referring to fig. 10, in some embodiments, a stepped through hole 2061 is formed in the blocking cover 206 at a position corresponding to the opening of the first passage, the stepped through hole 2061 includes a first through hole (close to one side of the main pipe in the figure) and a second through hole (far from the other side of the main pipe in the figure), the inner diameter of the second through hole is larger than the inner diameter of the first through hole, the second end of the pulling member 300 has a blocking piece 301, the second end of the pulling member sequentially passes through the first through hole and the second through hole, and is fixedly connected to a stepped surface in the second through hole through the blocking piece 301, and is connected to the stepped surface through the blocking piece, so that the sealing performance of the first passage is better; the shield 206 is attached to the second end of the main tube.

The baffle plate can be adhered to the step surface in an adhesion mode.

In other alternatives, as shown in fig. 11, the second end of the main tube is provided with a blocking cover 206, the blocking cover 206 is provided with a receiving hole 2062 at a position corresponding to the opening of the first passage, the second end of the pulling member is provided with a baffle 301, and the baffle 301 is fixedly connected to the second end of the main tube and is arranged in the receiving hole 2062. The blocking piece can be adhered to the second end of the main body pipe in an adhering mode. Specifically, the second end of the main tube 200 has a groove, and the stopper 206 is disposed in the groove.

A through hole 207 is formed in the position, corresponding to the opening of the second channel 202, of the blocking cover 206, and a transparent window 208 is formed in the position, corresponding to the opening of the third channel 203, of the blocking cover 206, so that the transparent window 208 is formed in the position, corresponding to the third channel 203, of the blocking cover 206, and therefore foreign matters can be prevented from entering the third channel 203 to pollute the image sensor, and normal image acquisition can be guaranteed.

Referring to fig. 2, as an alternative embodiment, a liquid suction line interface 107 is provided on the housing 101 for connecting an external liquid suction device, and a channel inside the liquid suction line interface 107 is communicated with the second channel 202. The interior of the liquid suction line port 107 may be communicated with the second channel 202 through a cavity in the handle housing 101, or may be communicated with the second channel 202 through a connecting tube.

In this embodiment, when the liquid is sucked, the suction pump is connected to the liquid suction line port 107, the instrument guide nozzle 106 is closed, and the suction pump is started to suck the liquid.

In addition, the liquid suction line interface 107 can be externally connected with other gas or liquid disinfection and sterilization equipment, and the diseased tissue can be cleaned or disinfected through the interface and the second channel 202.

Wherein, a piston or a valve is arranged at the instrument guide nozzle 106, and when an instrument is inserted into the second channel 202 by using the instrument guide nozzle 106, the piston or the valve is opened. When the liquid is sucked, the piston or valve is closed.

Referring to fig. 1, 7 to 9, the housing 101 is further provided with a function button 108 for controlling an external liquid suction device. When the function key is needed to control the external liquid suction device, the function key is electrically connected with an external control interface of the external liquid suction device, and the function key can control the external liquid suction device. It will be appreciated that the external fluid aspirating devices of the present invention are typically provided with an external control interface for connection to other control devices, similar to a remote control or the like.

With continued reference to fig. 1, 7-9, a slip-resistant structure 109 is further provided at the first end of the housing 101 of the handle 100 to increase friction when the handle 100 is held for operation.

It should be noted that the terms "upper", "lower", and the like, herein indicate orientations and positional relationships, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. Relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. As will be appreciated by one of ordinary skill in the art, the situation may be specified.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A disposable medical examination apparatus for an endoscope, comprising: the handle comprises a shell, a traction piece adjusting handle is arranged outside the shell, a traction piece adjusting shaft is arranged in a cavity in the shell, and the traction piece adjusting shaft is connected with the traction piece adjusting handle;

2. The device of claim 1, wherein the main tube comprises a rigid tube segment at a first end of the main tube and integrally connected to the handle, and a flexible tube segment at a second end of the main tube.

3. The device of claim 1, wherein the main tube comprises a tube body, the first, second, and third channels being formed on the tube body.

4. The device of claim 1, wherein the handle comprises a handle body having a body tube connection nipple at a first end of the handle body;

5. The device of claim 4, wherein an electrical connection nozzle is further provided at the first end of the handle body, and a channel inside the electrical connection nozzle is communicated with the cavity in the housing; the electrical line connection nozzle is adjacent to and arranged in parallel with the main body pipe connection nozzle.

6. The device of claim 4, wherein an instrument guide nozzle is provided at the second end of the handle body, the passage within the instrument guide nozzle communicating with the cavity within the housing, and the passage within the instrument guide nozzle corresponding to the second passage within the body tube.

7. The apparatus of claim 1, wherein the second end of the main tube is provided with a stop cap, and the second end of the pulling member is connected to the stop cap.

8. The device of claim 7, wherein a stepped through hole is formed in the blocking cover at a position corresponding to the opening of the first passage, the stepped through hole comprises a first through hole and a second through hole which are connected, the inner diameter of the second through hole is larger than that of the first through hole, the second end of the traction member is provided with a blocking piece, the second end of the traction member sequentially penetrates through the first through hole and the second through hole and is fixedly connected to a stepped surface in the second through hole through the blocking piece, and the blocking cover is connected to the end portion of the second end of the main body pipe.

9. The device as claimed in claim 1, wherein the second end of the main tube is provided with a cover, the cover is provided with a receiving hole at a position corresponding to the opening of the first channel, the second end of the pulling member is provided with a baffle, and the baffle is fixedly connected to the second end of the main tube and is arranged in the receiving hole.

10. The device of any one of claims 7 to 9, wherein the second end of the main tube has a recess in which the shield is located.

11. The device according to any one of claims 7 to 9, wherein the blocking cover is provided with a through hole at a position corresponding to the opening of the second channel, and a transparent window at a position corresponding to the opening of the third channel.

12. The device of claim 1, wherein the pulling member is a steel wire or a flexible cord.

13. The device of claim 1, wherein the housing is provided with a liquid suction line port, and a channel inside the liquid suction line port is communicated with the second channel.

14. The apparatus of claim 13, wherein the housing further comprises a function button for controlling an external fluid aspirating device.

15. The device of claim 1, wherein the main tube has an outer diameter of 5-10 mm.

16. The device of claim 1, wherein the main tube comprises a flexible tube, a first rigid tube, and a second rigid tube; the first channel, the second channel and the third channel are arranged in the flexible pipe;