CN219629574U

CN219629574U - Endoscope capable of realizing rapid assembly

Info

Publication number: CN219629574U
Application number: CN202320606587.5U
Authority: CN
Inventors: 杜武华; 刘华; 佴广金; 钱大宏
Original assignee: Shanghai Jiaotong University; Shandong Weigao Hongrui Medical Technology Co Ltd
Current assignee: Shanghai Jiaotong University; Shandong Weigao Hongrui Medical Technology Co Ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-09-05
Anticipated expiration: 2033-03-24

Abstract

The utility model relates to the field of medical appliances, and discloses an endoscope capable of realizing rapid assembly, which can be rapidly and conveniently assembled so as to reduce labor cost, greatly reduce loss caused by errors in the manual assembly process and improve product quality. The endoscope includes: a multi-cavity tube, a multi-cavity tube connecting seat and a front end cap. Wherein, the multicavity intraductal a plurality of working channels and connecting channel that are equipped with, the working channel is configured to hold the different modules of endoscope, and the connecting channel is configured to hold the metal rope. The multi-cavity tube connecting seat is bonded with the first end of the multi-cavity tube, and a plurality of bonding pore channels corresponding to the working channels and metal rope through holes corresponding to the connecting channels are arranged in the multi-cavity tube connecting seat. The first end cap is connected with the multi-cavity tube through a metal rope which is led into the connecting channel, and a plurality of first end cap channels which correspond to the working channels and metal rope welding openings which correspond to the connecting channels are arranged on the first end cap.

Description

Endoscope capable of realizing rapid assembly

Technical Field

The utility model relates to the field of medical instruments, in particular to an endoscope capable of realizing rapid assembly.

Background

In recent years, medical cross-sensing control technology and research level are continuously improved, research results for years also find that modern instruments which bring great contribution to human beings, such as medical endoscopes, have hidden dangers of bacteria caused by improper decontamination and insufficient maintenance in the use process of the instruments and the like due to the complex structure of the instruments, the characteristics of finished products and the like, and particularly in recent years, the research on the concept of biological films shows that the endoscopes are difficult to clean after the use due to the characteristics of the structures, so that the biological films are generated, and the bacterial infection capacity of 1000 times is enlarged due to the appearance of the biological films.

The occurrence of the above problems causes the use cost of endoscopes used in hospitals to rise several times due to the problems of strict cleaning, disinfection procedures, turnover number of endoscopes, and the like. One of the better solutions to the medical endoscope sensing and control problems is a disposable medical endoscope.

However, the structure of the conventional disposable medical endoscope is still equivalent to that of the conventional endoscope, only the material cost and the service life are reduced, more than 30% of the cost of the disposable endoscope is occupied by manpower, and the reason is that the structure of the disposable endoscope is basically the same as that of the conventional endoscope, and the assembly process is basically consistent.

How to solve the problem of reducing the production cost of the disposable endoscope under the condition of ensuring the quality and performance of the product, besides adopting mass purchasing to reduce the unit price of the product, what is important is how to realize the structural design which can adopt a convenient and fast assembly process and adapt to automatic production so as to improve the productivity, reduce the labor cost and avoid the error caused by manual assembly.

Disclosure of Invention

The utility model aims to provide an endoscope capable of realizing rapid assembly, which can be rapidly and conveniently assembled so as to reduce labor cost, greatly reduce loss caused by errors in the manual assembly process and improve product quality.

The utility model discloses an endoscope capable of realizing rapid assembly, which comprises:

a multi-lumen tube (1), the multi-lumen tube (1) being internally provided with a plurality of working channels (101) and a connection channel (102), the working channels (101) being configured to accommodate different modules of the endoscope, the connection channel (102) being configured to accommodate a metal cord (4);

a multi-cavity tube connecting seat (2), wherein the first end of the multi-cavity tube connecting seat (2) is adhered to the first end of the multi-cavity tube (1), and a plurality of adhering pore channels (201) corresponding to the working channels (101) and metal rope through holes (202) corresponding to the connecting channels (102) are arranged in the multi-cavity tube connecting seat (2); the method comprises the steps of,

the multi-cavity tube comprises a first end cap (3), wherein the first end cap (3) is connected with the multi-cavity tube (1) through the metal rope (4) which is led into the connecting channel (102), a plurality of first end cap channels (301) which correspond to the working channels (101) and metal rope welding openings (302) which correspond to the connecting channel (102) are arranged on the first end cap (3).

In a preferred embodiment, the plurality of bonding tunnels (201) are divided into a first section of bonding tunnels (201) and a second section of bonding tunnels (201), the first section of bonding tunnels (201) extending from the interior of the multi-lumen tubing connector (2) through to the first end of the multi-lumen tubing connector (2), the second section of bonding tunnels (201) being connected to the first section of bonding tunnels (201) and through to the second end of the multi-lumen tubing connector (2);

the diameter of the second section of the bonding duct (201) is larger than that of the first section of the bonding duct (201), and an annular platform is formed at the joint of the first section of the bonding duct (201) and the second section of the bonding duct (201);

the second section of the bonding duct (201) is configured to bond with a plurality of channel tubes (203) of the endoscope, respectively, the outer diameters of the plurality of channel tubes (203) are the same as the diameters of the corresponding second section of the bonding duct (201), respectively, and the inner diameters of the plurality of channel tubes (203) are the same as the diameters of the first ends of the bonding duct (201), respectively.

In a preferred embodiment, the multi-lumen tube (1) comprises a multi-lumen tube bending portion and a multi-lumen tube stiffening portion;

the bending part of the multi-cavity pipe is formed by jointing a plurality of pipes with different hardness through thermal fusion, and channels of the pipes with different hardness are in one-to-one correspondence.

In a preferred embodiment, the first end of the metal cord (4) is welded to the end cap (3) via the metal cord weld (302).

In a preferred embodiment, the inner diameters of the working channels (101) in the multi-lumen tube (1) are respectively the same as the inner diameters of the bonding tunnels (201) in the corresponding multi-lumen tube connecting seat (2).

In a preferred embodiment, the inner diameters of the plurality of end cap channels (301) are respectively the same as the inner diameters of the corresponding plurality of working channels (101).

In a preferred embodiment, the working channel (101) and the connecting channel (102) are hollow channels parallel to the central axis of the multi-lumen tube (1).

In a preferred embodiment, a fixing groove is formed in the side wall of the multi-cavity tube connecting seat (2), and the multi-cavity tube connecting seat (2) is connected with the handle (5) of the endoscope through the fixing groove.

In a preferred embodiment, the second end of the metal rope (4) is fixedly connected with a handle rotating wheel (6) of the endoscope.

In a preferred embodiment, the hardness of the curved portion of the multi-lumen tube is 20% -30% of the hardness of the multi-lumen tube.

In a preferred embodiment, the metal cord (4) is a steel cord.

In a preferred embodiment, the tip cap (3) is medical grade stainless steel.

In a preferred embodiment, the thickness of the end cap (3) is 2mm-3mm.

In a preferred embodiment, the metal cord (4) is welded to the end cap (3) and then smoothed.

In the embodiment of the utility model, a plurality of channels in the multi-cavity tube are used as channels for accommodating different modules and metal ropes of the endoscope, and the bonding pore canal is arranged on the multi-cavity tube connecting seat, so that the bonding pore canal and the channel tube of the endoscope can be bonded and fixed, the endoscope module can directly extend into the channel tube and extend into and pass through the multi-cavity tube connecting seat, and the endoscope which needs to be arranged in high compactness can be assembled quickly in the mode because the channel arrangement mode of the multi-cavity tube is arranged in advance;

further, the end cap is provided with a metal rope welding port, so that the metal rope can pass through the multi-cavity tube connecting seat and the multi-cavity tube to be fixed on the end cap, and the bending part of the multi-cavity tube is formed by a plurality of tubes with different hardness through thermal fusion joint, so that the multi-cavity tube can rotate along with the rotation of the metal rope through the handle rotating wheel.

The numerous technical features described in the description of the present utility model are distributed among the various technical solutions, which can make the description too lengthy if all possible combinations of technical features of the present utility model (i.e., technical solutions) are to be listed. In order to avoid this problem, the technical features disclosed in the above summary of the utility model, the technical features disclosed in the following embodiments and examples, and the technical features disclosed in the drawings may be freely combined with each other to constitute various new technical solutions (these technical solutions are regarded as already described in the present specification) unless such a combination of technical features is technically impossible. For example, in one example, feature a+b+c is disclosed, in another example, feature a+b+d+e is disclosed, and features C and D are equivalent technical means that perform the same function, technically only by alternative use, and may not be adopted simultaneously, feature E may be technically combined with feature C, and then the solution of a+b+c+d should not be considered as already described because of technical impossibility, and the solution of a+b+c+e should be considered as already described.

Drawings

FIG. 1 is a schematic diagram of a structure according to one embodiment of the utility model;

FIG. 2 is a schematic diagram of a structure according to one embodiment of the utility model;

FIG. 3 is a schematic view of the structure of an end cap according to one embodiment of the utility model;

FIG. 4 is a schematic view of the structure of a multi-lumen tubing connector according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of a multi-lumen tubing connector according to an embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a multi-lumen tubing connector according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of component connections according to one embodiment of the utility model.

Reference numerals illustrate:

1-a multi-lumen tube; 101-working channel; 102-connecting channels; 2-a multi-cavity tube connection base; 201-bonding pore channels; 202-metal rope through holes; 203-channel tube; 3-end cap; 301-end cap channel; 302-a metal rope welded joint; 4-metal cords; 5-a handle; 6-handle rotating wheel.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, it will be understood by those skilled in the art that the claimed utility model may be practiced without these specific details and with various changes and modifications from the embodiments that follow.

Specific implementations of the utility model are described in detail below with reference to specific embodiments and the accompanying drawings:

as shown in fig. 1, an embodiment of the present utility model relates to an endoscope capable of achieving rapid assembly, comprising a multi-lumen tube (1), a multi-lumen tube connecting seat (2) and a distal cap (3). Wherein the multi-lumen tube (1) is internally provided with a plurality of working channels (101) and a connecting channel (102), as shown in fig. 2, the working channels (101) are configured to accommodate different modules of the endoscope, and the connecting channel (102) is configured to accommodate the metal cord (4). The end cap (3) is connected with the multi-cavity tube (1) through a metal rope (4) which is led into the connecting channel (102), a plurality of end cap channels (301) corresponding to the working channels (101) and a metal rope welding opening (302) corresponding to the connecting channel (102) are arranged on the end cap (3), and as shown in fig. 3, the end cap (3) is coaxially bonded with the multi-cavity tube (1) by adopting a special jig. The multi-cavity tube connecting seat (2) is bonded with the first end of the multi-cavity tube (1), and a plurality of bonding pore channels (201) corresponding to the working channels (101) and metal rope through holes (202) corresponding to the connecting channels (102) are arranged in the multi-cavity tube connecting seat (2), as shown in fig. 4.

Alternatively, the multi-lumen tube (1) may comprise a multi-lumen tube bending portion and a multi-lumen tube stiffening portion, wherein the multi-lumen tube bending portion may be composed of a plurality of tubes of different hardness joined by thermal fusion, the channels of the plurality of tubes of different hardness being in one-to-one correspondence. Wherein, as shown in fig. 1, the T1-T2 sections are bending parts of the multi-lumen tube, the T2-T3 sections are hard parts of the multi-lumen tube, and the bending parts of the multi-lumen tube preferably have a hardness of 20% -30% of the hard parts of the multi-lumen tube. Alternatively, the T1-T2 segments may have a bend radius of 40mm-80mm long, depending on the scene requirements of use. Alternatively, the length of the T2-T3 section can be 200mm-1300mm according to the requirement of the use scene, the diameter can be selected according to the clinical requirement, and in the embodiment, the diameter can be 3mm or 3.6mm. The sum of the number of the working channels (101) and the connecting channels (102) can be 4 to 5 when the diameter is 3mm, and the sum of the number of the working channels (101) and the connecting channels (102) can be 6 when the diameter is 3.6mm. The T1-T2 section and the T2-T3 section can be bonded by adopting a hot melting mode through other processes, and the coaxial and surface smoothness of each channel are ensured by using special jigs and processes during bonding.

The multi-lumen tubing (1) of this embodiment may be made of a medical nylon elastomer composite (TPAE), also known as thermoplastic polyamide elastomer, which is a block copolymer containing hard polyamide segments and soft aliphatic polyester or polyether segments. TPAE has high tensile strength, good elastic recovery, high low-temperature impact strength, excellent low-temperature resistance and easy processing, so that the TPAE is widely applied to the fields of electronics and electrics, automobile industry, food packaging, medical appliances and sports goods.

Optionally, the multilumen tubing (1) may also be selected from modified medical TPU materials. The TPU is called thermoplastic polyurethane elastomer rubber, products with different hardness can be obtained by changing the proportion of each reaction component of the TPU, and the products still keep good elasticity along with the increase of the hardness. The processing property of the multi-cavity tube (1) is very excellent, the finished products of the multi-cavity tube (1) with different hardness have easy fusion and adhesion capability, and the multi-cavity tube and other high polymer materials are also very easy to be fused into a composite material, so that the complementary property is enhanced. The bending part of the multi-cavity tube (1) can adopt the mode of processing the composite TPU according to different bending angles and requirements of controlling the integral bending deformation of the working channel (101) and the multi-cavity tube (1).

Alternatively, the first end of the metal cord (4) may be welded to the end cap (3) through a metal cord weld (302) on the end cap (3), preferably 2 metal cord welds (302) as shown in fig. 3. Preferably, the metal cord (4) is a steel cord. Preferably, the tip cap (3) is medical stainless steel. Preferably, the thickness of the end cap (3) is 2mm-3mm. Preferably, the metal cord (4) is smoothed after being welded to the front end cap (3).

A plurality of working channels (101), preferably 4 working channels, are arranged in the multi-cavity tube (1), one channel can be selected from the 4 connecting channels (102) to serve as a main channel (clamp channel), the other three channels serve as auxiliary channels, a first auxiliary channel is selected to be implanted into a camera module with a cable conductor, and a second auxiliary channel and/or a third auxiliary channel is selected to be implanted into a light guide beam and/or an LED lighting module with the cable conductor. The multi-lumen tube (1) is internally provided with a plurality of connection channels (102), preferably 2, through which connection channels (102) the above-mentioned metal cord (4) is threaded into the multi-lumen tube (1), thereby connecting the multi-lumen tube (1) with the tip cap (3) in the above-mentioned manner. Both the connection channel (102) and the working channel (101) extend from a first end of the multi-lumen tube (1) in the axial direction of the multi-lumen tube (1) to a second end of the multi-lumen tube (1), i.e. the connection channel (102) and the working channel (101) extend through the multi-lumen tube (1) in the axial direction of the multi-lumen tube (1), the working channel (101) and the connection channel (102) being hollow channels parallel to the central axis of the multi-lumen tube (1).

The plurality of end cap channels (301) on the end cap (3) are respectively in one-to-one correspondence with the plurality of working channels (101) of the multi-cavity tube (1), the number of the end cap channels (301) is preferably 4, the inner diameters of the end cap channels (301) and the working channels (101) are kept consistent, one of the end cap channels (301) can be selected as a main channel for penetrating a medical instrument or a catheter, and the rest of the end cap channels (301) are used as auxiliary channels. According to the difference of using medical position, select one of them angular position's accessory channel, pass the signal line of making a video recording the module and imbed, this camera the outer protection glass of camera the module is usually slightly higher than the terminal surface of first cap (3), can select remaining one accessory channel to two accessory channels to imbed light guide beam and/or miniature LED.

The plurality of bonding tunnels (201) on the multi-cavity tube connecting seat (2) are respectively in one-to-one correspondence with the plurality of working channels (101) of the multi-cavity tube (1), and the number of the bonding tunnels (201) is preferably 4. The first end of the multi-cavity tube connecting seat (2) is adhered with the first end of the multi-cavity tube (1) in parallel. The bonding duct (201) may be divided into a first section of the bonding duct (201) and a second section of the bonding duct (201), the first section of the bonding duct (201) extending from the interior of the multi-lumen tubing connector (2) and penetrating to the first end of the multi-lumen tubing connector (2), and the second section of the bonding duct (201) being connected to the first section of the bonding duct (201) and penetrating to the second end of the multi-lumen tubing connector (2). The diameter of the second section of the bonding tunnel (201) is larger than the diameter of the first section of the bonding tunnel (201), and therefore, the first section of the bonding tunnel (201) and the second section of the bonding tunnel (201) form an annular platform at the junction, as shown in fig. 4. The second section of the bonding duct (201) is configured to bond with a plurality of channel tubes (203) of the endoscope, and the outer diameters of the plurality of channel tubes (203) are the same as (or slightly smaller than) the diameters of the corresponding second section of the bonding duct (201), so that the outer wall of the channel tube (203) of the endoscope can be firmly bonded with the bonding site, the end of the channel tube (203) can abut against the annular platform, and the channel tube (203) can be fixed in the bonding site in any form, as shown in fig. 5, which is a schematic structural diagram of the channel tube (203) after being inserted into the bonding site. The inner diameters of the plurality of channel tubes (203) are respectively the same as the diameters of the first ends of the bonding pore channels (201), so that the endoscopic instrument can be ensured to keep smooth when being inserted into the working channel (101) in the multi-cavity tube (1) through the channel tubes (203).

The number of the metal rope through holes (202) on the multi-cavity pipe connecting seat (2) is preferably 2, and the metal rope (4) welded with the front end cap (3) penetrates into the metal rope through holes (202) of the multi-cavity pipe connecting seat (2) through the connecting channel (102) of the multi-cavity pipe (1). The second end of the metal rope (4) can be fixedly connected with the handle rotating wheel (6) of the endoscope, as shown in fig. 7, when the handle rotating wheel (6) rotates, the metal rope (4) can be driven, so that the angle of the bending part of the multi-cavity tube is controlled, and the angle of each module of the endoscope inside the multi-cavity tube (1) is adjusted.

In order to prevent the main channel (jaw channel) of the working channel (101) from being internally compressed to a narrow state due to the rotation of the bending portion of the multi-lumen tube when in use, a flexible thin-walled mesh tube or a thin-walled hose of a special material may be provided (preferably embedded) in the inside of the working channel (101) in advance, or may be provided (preferably embedded) in the outside of the bending portion of the multi-lumen tube.

Alternatively, a fixing groove may be provided on a side wall of the multi-lumen tube connecting seat (2) for connecting the multi-lumen tube connecting seat (2) and the handle (5) of the endoscope, as shown in fig. 6, which is a sectional view and a side view of the multi-lumen tube connecting seat (2).

The product structure of the utility model is especially suitable for endoscopes with smaller outer diameters so as to achieve the functions required by all the endoscopes under the minimum outer diameter. When the product of the utility model is applied to small-diameter natural passages (such as bronchi, biliary pancreatic ducts and fallopian tubes) which are suitable for mutual guiding and advancing, fewer passages can be selected, for example, the number of auxiliary passages in 4 working passages (101) (1 of which is a main passage and the rest is an auxiliary passage) which are originally designed is reduced so as to enlarge the inner diameter of the main passage.

When the product of the utility model is used, the cable wire (provided with the electrical plug) of the camera module is connected with the image processor of the electronic endoscope, and then the LED cable (provided with the electrical plug) is connected with the illumination interface of the image processor of the electronic endoscope, or the illumination adopts a light beam, and when the light beam is connected with the illumination light source through the light source interface, the image processor of the electronic endoscope and the illumination light source are respectively started to form a complete electronic endoscope system.

It should be noted that in the present patent application, relational terms such as first and second, and the like are 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. Moreover, 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" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. In the present patent application, if it is mentioned that an action is performed according to an element, it means that the action is performed at least according to the element, and two cases are included: the act is performed solely on the basis of the element and is performed on the basis of the element and other elements. Multiple, etc. expressions include 2, 2 times, 2, and 2 or more, 2 or more times, 2 or more.

This specification includes combinations of the various embodiments described herein. Reference to an embodiment alone (e.g., "one embodiment" or "some embodiments" or "preferred embodiments"); however, unless indicated as mutually exclusive or as would be apparent to one of skill in the art, the embodiments are not mutually exclusive. It should be noted that the term "or" is used in this specification in a non-exclusive sense unless the context clearly indicates otherwise or requires otherwise.

All references mentioned in this disclosure are to be considered as being included in the disclosure of the utility model in its entirety so that modifications may be made as necessary. Further, it is understood that various changes or modifications of the present utility model may be made by those skilled in the art after reading the above disclosure, and such equivalents are intended to fall within the scope of the utility model as claimed.

Claims

1. An endoscope capable of being assembled quickly, comprising:

2. The quick-assembly endoscope according to claim 1, wherein the plurality of adhesive channels (201) is divided into a first section of adhesive channels (201) and a second section of adhesive channels (201), the first section of adhesive channels (201) extending from the interior of the multi-lumen tube connection socket (2) through to the first end of the multi-lumen tube connection socket (2), the second section of adhesive channels (201) being connected to the first section of adhesive channels (201) and through to the second end of the multi-lumen tube connection socket (2);

the second section of the bonding duct (201) is configured to bond with a plurality of channel tubes (203) of the endoscope, respectively, the outer diameters of the plurality of channel tubes (203) are the same as the diameters of the corresponding second section of the bonding duct (201), respectively, and the inner diameters of the plurality of channel tubes (203) are the same as the diameters of the first section of the bonding duct (201), respectively.

3. An endoscope enabling rapid assembly according to claim 1, characterized in that the multilumen tubing (1) comprises a multilumen tubing bending part and a multilumen tubing stiffening part;

4. The endoscope of claim 1, wherein the first end of the metal cord (4) is welded to the distal end cap (3) via the metal cord weld (302).

5. An endoscope according to claim 1, wherein the inner diameter of the plurality of working channels (101) in the multi-lumen tube (1) is the same as the inner diameter of the first section of the adhesive port channel (201) in the corresponding plurality of multi-lumen tube connecting seats (2), respectively.

6. The endoscope of claim 1, wherein said plurality of end cap channels (301) each have an inner diameter that is the same as an inner diameter of a corresponding plurality of said working channels (101).

7. An endoscope enabling rapid assembly according to claim 1, characterized in that the working channel (101) and the connection channel (102) are hollow channels parallel to the central axis of the multilumen tubing (1).

8. An endoscope enabling rapid assembly according to claim 1, characterized in that the side wall of the multilumen tubing connection holder (2) is provided with a fixation groove, through which fixation groove the multilumen tubing connection holder (2) is connected with the handle (5) of the endoscope.

9. The endoscope of claim 1, wherein the second end of the metal cord (4) is fixedly connected to a handle runner (6) of the endoscope.

10. An endoscope according to claim 3 and wherein said multilumen tubing bending portion has a hardness of 20% -30% of said multilumen tubing hardness.