CN219422762U - Front end head assembly of electronic endoscope, electronic endoscope and medical equipment - Google Patents

Abstract

The application discloses a front end head assembly of an electronic endoscope, the electronic endoscope and medical equipment. The front end module of the electronic endoscope includes a housing member and a camera module. The shell part comprises a front end part and a tail end part which are arranged in a split mode, the front end part and the tail end part are in butt joint and enclose to form a mounting cavity, a first through hole is formed in one end, far away from the tail end part, of the front end part, and the first through hole is communicated with the mounting cavity; the camera module is arranged in the mounting cavity, and a shooting end of the camera module is arranged in the first through hole; wherein the cross-sectional area of the leading end portion gradually decreases in a direction away from the trailing end portion; and/or the cross-sectional area of the trailing end portion gradually decreases in a direction away from the leading end portion. The front end structure piece of the electronic endoscope can solve the problem that mechanical damage is easily caused to a patient by the front end structure piece of the electronic endoscope in the prior art.

Description

Front end head assembly of electronic endoscope, electronic endoscope and medical equipment

Technical Field

The application relates to the technical field of medical instruments, in particular to a front end head assembly of an electronic endoscope, the electronic endoscope and medical equipment.

Background

An electronic endoscope (endoscope) is a medical electronic optical instrument which can be inserted into the cavity of human body and the inner cavity of viscera to directly observe, diagnose and treat, and integrates high-precision tip technologies such as light collection, mechanical and electrical. The method adopts an electronic imaging element-CMOS with extremely small size, an object in a cavity to be observed is imaged on the CMOS through a tiny objective optical system, then a received image signal is sent to an image processing system through an image guiding fiber bundle, and finally a processed image is output on a monitor for observation and diagnosis by doctors.

At present, a biliary tract direct vision sub-lens system of an electronic endoscope passing through a duodenum is gradually accepted by the market, a front end structural member of the electronic endoscope is used for fixing a camera module, and structures such as an instrument channel hole, a water inlet and outlet hole and the like are further arranged on the front end structural member, so that the size of the front end structural member is relatively large, meanwhile, the outer surface of the existing front end structural member is not smooth enough, and in the process of actual use, the front end structural member is easy to cause mechanical injury to a patient.

Disclosure of Invention

The main aim of the application is to provide a front end head assembly of an electronic endoscope, the electronic endoscope and medical equipment, so as to solve the problem that a front end structural member of the electronic endoscope in the prior art is easy to cause mechanical damage to a patient.

According to one aspect of embodiments of the present application, there is provided a front head assembly of an electronic endoscope, including:

the shell part comprises a front end part and a tail end part which are arranged in a split mode, wherein the front end part and the tail end part are in butt joint and enclose to form a mounting cavity, a first through hole is formed in one end, far away from the tail end part, of the front end part, and the first through hole is communicated with the mounting cavity; and

the camera module is arranged in the mounting cavity, and a shooting end of the camera module is arranged in the first through hole;

wherein the cross-sectional area of the leading end portion gradually decreases in a direction away from the trailing end portion; and/or the number of the groups of groups,

the cross-sectional area of the trailing end portion gradually decreases in a direction away from the leading end portion.

Further, the leading end portion and the trailing end portion are flush with the outer surface at the abutting location.

Further, one of the front end part and the tail end part is provided with a plug-in flange, and the other one of the front end part and the tail end part is provided with a plug-in hole matched with the plug-in flange.

Further, the plug flange is connected with the plug hole in a bonding, welding, clamping or screwing mode.

Further, the leading end of the leading end portion and/or the trailing end portion is provided with a chamfer or bevel.

Further, a limiting part for limiting the camera module is arranged on the inner wall surface of the mounting cavity.

Further, a guiding and positioning part is arranged between the front end part and the tail end part.

Further, the guide positioning portion includes a guide wire hole communicating the leading end portion and the trailing end portion.

In a second aspect, the present application also provides an electronic endoscope including the front head assembly described above.

In a third aspect, the present application also provides a medical device comprising the electronic endoscope described above.

Compared with the prior art, the technical scheme of the application has at least the following technical effects:

the cross-sectional area of the front end part is gradually reduced along the direction away from the tail end part, the cross-sectional area of the tail end part is gradually reduced along the direction away from the front end part, and the front end part and the tail end part are designed in a split mode, so that the front end part and the tail end part can be quite round and smooth, and a user can easily enter the human body or take out the human body. Compared with the prior front end structural member, the front end head assembly has the advantages of small size, round appearance, difficult injury to patients and better patient experience.

Drawings

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

FIG. 1 is a perspective view of a front end module of an electronic endoscope disclosed in a first embodiment of the present application;

FIG. 2 is an exploded view of a front head assembly of an electronic endoscope disclosed in a first embodiment of the present application;

fig. 3 is a perspective view of the front end portion of the present disclosure in a first view according to the first embodiment;

fig. 4 is a perspective view showing a front end portion of the present utility model in a second view according to the first embodiment;

FIG. 5 is a perspective view of a front end module of an electronic endoscope disclosed in a second embodiment of the present application;

FIG. 6 is an exploded view of a front head assembly of an electronic endoscope disclosed in a second embodiment of the present application;

fig. 7 is a perspective view of a front end portion according to a second embodiment of the present utility model at a first view angle;

fig. 8 is a perspective view of the front end portion of the second embodiment of the present application at a second viewing angle.

Wherein the above figures include the following reference numerals:

10. a housing member; 11. a front end portion; 111. a first through hole; 112. chamfering; 113. a plug hole; 12. a tail end portion; 122. a plug flange; 123. an inclined plane; 1011. a limit part; 102. a guide positioning part; 20. a camera module; 21. a wire; 30. a catheter.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Referring to fig. 1 to 4, according to a first embodiment of the present application, there is provided a head assembly of an electronic endoscope, hereinafter referred to as a head assembly. The front head assembly includes a housing member 10 and a camera module 20.

Wherein the housing member 10 includes a front end portion 11 and a rear end portion 12 which are provided separately, the front end portion 11 and the rear end portion 12 are butted and enclose to form a mounting cavity, and one end of the front end portion 11 away from the rear end portion 12 is provided with a first through hole 111, and the first through hole 111 communicates with the mounting cavity. When actually assembling, the camera module 20 is arranged in the mounting cavity, and the camera end of the camera module 20 is arranged in the first through hole 111, when the front end head assembly is sent into a human body, the camera module 20 can shoot the lesion part inside the human body from the first through hole 111, so that medical staff can observe and diagnose.

Specifically, the cross-sectional area of the front end portion 11 in the present embodiment gradually decreases in the direction away from the rear end portion 12; and/or the cross-sectional area of the tail end portion 12 gradually decreases in a direction away from the front end portion 11. That is, in actual design, the cross-sectional area of the front end portion 11 may be gradually reduced in the direction away from the rear end portion 12, the cross-sectional area of the rear end portion 12 may be gradually reduced in the direction away from the front end portion 11, the cross-sectional area of the front end portion 11 may be gradually reduced in the direction away from the rear end portion 12, and the cross-sectional area of the rear end portion 12 may be gradually reduced in the direction away from the front end portion 11. Fig. 1 of the present embodiment shows a case where the cross-sectional area of the front end portion 11 gradually decreases in a direction away from the rear end portion 12, and the cross-sectional area of the rear end portion 12 gradually decreases in a direction away from the front end portion 11. In this application, through making the cross-sectional area of the front end of tip 11 reduce gradually along the direction of keeping away from tip 12 to make the cross-sectional area of tip 12 reduce gradually along the direction of keeping away from tip 11, so, can make the front end of tip 11 and the tail end of tip 12 all more smooth, when stretching into or taking out the human body with front end head subassembly, be difficult to cause mechanical damage to patient's mucosa etc. can improve the safety in utilization of electronic endoscope.

Meanwhile, since the front end portion 11 and the rear end portion 12 are provided separately in the present application, when the camera module 20 and other accessory components of the front end assembly are assembled, the front end portion 11 and the rear end portion 12 are separated, the camera module 20 and other accessory components of the front end assembly are mounted in a mounting cavity defined by the front end portion 11 and the rear end portion 12, and then the front end portion 11 and the rear end portion 12 are fixed together. Compared with the prior art, the opening of the tail end part, which is caused by installing the camera module and other accessory parts of the front end assembly at the tail end part, is larger, so that the tail end part and the catheter form a step.

Further, the housing part 10 in this embodiment may be cylindrical, or may be in an elliptical column shape or other shaped column structure, so long as a mounting cavity capable of mounting the camera module 20 can be enclosed, which is not specifically limited in this application.

Specifically, the leading end and/or the trailing end 12 of the leading end portion 11 in the present embodiment is provided with a chamfer 112 or a chamfer 123. That is, in actual processing, the chamfer 112 or the inclined surface 123 may be provided at the tip end of the tip end portion 11, the chamfer 112 or the inclined surface 123 may be provided at the tail end portion 12, or the chamfer 112 or the inclined surface 123 may be provided at both the tip end of the tip end portion 11 and the tail end portion 12. Fig. 1 of the present application shows a case where chamfer 112 is provided at leading end 11 and chamfer 123 is provided at trailing end 12. By providing the chamfer 112 at the front end portion 11, the cross-sectional area of the front end portion 11 can be made gradually smaller in the direction away from the rear end portion 12, so that mechanical damage to mucous membranes and the like of the human body is not caused when the front end head assembly is extended into the human body. Optionally, the chamfer 112 is rounded. Meanwhile, by providing the inclined surface 123 at the rear end portion 12, the cross-sectional area of the rear end portion 12 can be gradually reduced in a direction away from the front end portion 11 by the action of the inclined surface 123, and thus, when the front head assembly is taken out from the inside of the human body, mechanical damage to the human body is not easily caused. Of course, in other embodiments of the present application, in order to gradually decrease the cross-sectional area of the trailing end 12 in the direction away from the leading end 11, a truncated arc surface or the like may be provided in the trailing end 12, and any other modification forms under the concept of the present application are within the scope of the present application.

Further, the outer surface at the abutting position of the leading end portion 11 and the trailing end portion 12 in the present embodiment is flush. That is, the surface of the butt joint position of the leading end 11 and the trailing end 12 is flat, and there is no step or convex part, so that the housing member 10 is not easily damaged to the human body in the actual use process.

Further, in the present embodiment, one of the front end 11 and the rear end 12 is provided with a plugging flange 122, and the other is provided with a plugging hole 113 adapted to the plugging flange 122. That is, when the plug flange 122 is provided on the tail end portion 12, the plug hole 113 is provided on the front end portion 11; when the plug flange 122 is provided on the leading end portion 11, the plug hole 113 is provided on the trailing end portion 12. In actual assembly, the insertion flange 122 is inserted into the insertion hole 113, so that not only the front end 11 and the rear end 12 can be connected together, but also the sealing performance of the housing part 10 can be improved, the creepage distance of the camera module 20 can be increased, and adverse effects of the external environment on the camera module 20 inside the housing part 10 can be avoided.

Optionally, the plug flange 122 and the plug hole 113 are connected by bonding, welding, clamping or screwing, so that the structure is simple, and the assembly and the realization are convenient. In a specific embodiment of the present application, the plugging flange 122 and the plugging hole 113 are bonded together by glue, so that the sealing property between the front end 11 and the rear end 12 can be further improved.

In the actual assembly process, the camera module 20 is first installed in the front end 11, at this time, a limiting portion 1011 for limiting the camera module 20 is provided on the inner wall of the installation cavity, the limiting portion 1011 may be a limiting protrusion, a limiting step or the like, after the camera module 20 is limited by the limiting portion 1011, the wires 21 on the camera module 20 pass through the tail end 12, then the plugging flange 122 and the plugging hole 113 are plugged and glued together, and then the conduit 30 is connected to the tail end 12.

Referring to fig. 5 to 8, according to the second embodiment of the present application, there is provided a head assembly of a motor endoscope, which is substantially identical to the structure of the electronic endoscope in the previous embodiment, except that a guide positioning portion 102 is provided between the head portion 11 and the tail portion 12 in the present embodiment, and by the action of the guide positioning portion 102, the relative position between the head portion 11 and the tail portion 12 can be quickly positioned, and the assembly efficiency of the head portion 11 and the tail portion 12 can be improved.

Optionally, the guiding and positioning portion 102 includes a guide wire hole communicating the front end portion 11 and the tail end portion 12, and when the front end portion 11 and the tail end portion 12 are assembled, a tool is required to be used to pass through an alignment channel of the guide wire hole and then to perform spot-gluing, so that the assembly efficiency of the front end portion 11 and the tail end portion 12 can be improved.

On the other hand, the present application further provides an electronic endoscope, which includes the front end module described above, so that the electronic endoscope includes all the advantages of the front end module described above, and since the advantages of the front end module have been described in detail above, the details are not repeated here.

In a third aspect, the present application also provides a medical device comprising an electronic endoscope as described above. Therefore, the medical device includes all the advantages of the electronic endoscope described above, and since the advantages of the electronic endoscope have been described in detail above, the detailed description thereof is omitted.

From the above structure, it can be known that: the front end part and the tail end part of the front end head assembly of the electronic endoscope are designed in a split mode, so that the front end part and the tail end part can be quite round and smooth, and a human body can be easily taken in or out; compared with the prior front end structural member, the front end head assembly has the advantages of small size, round appearance, difficult injury to patients and better patient experience.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. A front end assembly of an electronic endoscope, comprising:

a housing part (10), wherein the housing part (10) comprises a front end part (11) and a tail end part (12) which are arranged in a split way, the front end part (11) and the tail end part (12) are in butt joint and enclose to form a mounting cavity, one end of the front end part (11) far away from the tail end part (12) is provided with a first through hole (111), and the first through hole (111) is communicated with the mounting cavity; and

the camera module (20) is arranged in the mounting cavity, and a shooting end of the camera module (20) is arranged in the first through hole (111);

wherein the cross-sectional area of the leading end portion (11) gradually decreases in a direction away from the trailing end portion (12); and/or the number of the groups of groups,

the cross-sectional area of the trailing end portion (12) gradually decreases in a direction away from the leading end portion (11).

2. The electronic endoscope front head assembly according to claim 1, characterized in that the outer surfaces of the abutting positions of the front end portion (11) and the rear end portion (12) are flush.

3. The front end head assembly of an electronic endoscope according to claim 1, characterized in that one of the front end portion (11) and the rear end portion (12) is provided with a plug-in flange (122), and the other is provided with a plug-in hole (113) which is matched with the plug-in flange (122).

4. A front end assembly according to claim 3, characterized in that the insertion flange (122) and the insertion hole (113) are connected by means of adhesion, welding, clamping or screwing.

5. The head assembly according to claim 1, wherein the front end of the front end portion (11) and/or the rear end portion (12) is provided with a chamfer (112) or a bevel (123).

6. The electronic endoscope front head assembly according to claim 1, wherein a limit portion (1011) for limiting the camera module (20) is provided on an inner wall surface of the mounting chamber.

7. The head assembly according to any one of claims 1 to 6, wherein a guide positioning portion (102) is provided between the head portion (11) and the tail portion (12).

8. The electronic endoscope front head assembly according to claim 7, characterized in that the guide positioning portion (102) includes a wire guide hole communicating the front end portion (11) and the rear end portion (12).

9. An electronic endoscope comprising the front end head assembly of any one of claims 1 to 8.

10. A medical device comprising the electronic endoscope of claim 9.