CN213345580U

CN213345580U - Uterine cavity inspection tube

Info

Publication number: CN213345580U
Application number: CN202021115895.0U
Authority: CN
Inventors: 田维权
Original assignee: Chongqing Jinshan Medical Appliance Co Ltd
Current assignee: Chongqing Jinshan Medical Technology Research Institute Co Ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-06-04
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a palace chamber inspection tube, including pipe shaft, hood, microscope base and the imaging assembly who locates the microscope base, the microscope base is equipped with: the first sleeving part is used for fixedly sleeving the pipe body; the second sleeving part is used for fixedly sleeving the hood, a reserved notch of a bending part of the FPC board of the abduction uterine cavity inspection tube is used for allowing the reserved notch to axially penetrate through the first sleeving part and the second sleeving part. This palace chamber inspection tube is when guaranteeing the imaging assembly setting, let down the portion of bending of FPC board through reserving the incision, in order to ensure the equipment of FPC board and imaging assembly, and simultaneously, the microscope base directly links to each other with the shaft of pipe through first grafting portion, directly link to each other with the hood through second grafting portion, compare in prior art, the stopper has been cancelled, the diameter increase amount that brings for whole palace chamber inspection tube because of the wall thickness of stopper and the assembly structure between microscope base and the stopper has been reduced, make the whole diameter of palace chamber inspection tube less. The assembly of the lens seat and the plug is avoided, the assembly is simple, and the assembly cost is low.

Description

Uterine cavity inspection tube

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, relate to a palace chamber inspection tube.

Background

Uterine cavity inspection tube among the prior art usually includes pipe shaft, hood, microscope base, formation of image components and parts and stopper etc. and the formation of image components sets up on the microscope base, installs the back on the microscope base with the formation of image components, packs into the stopper with the microscope base again in, the stopper mainly plays support and fixed action to the microscope base to make the microscope base realize its being connected with the pipe shaft through the stopper, in addition, the hood also is fixed on the pipe shaft through the stopper.

The uterine cavity examination tube adopting the assembly structure needs to arrange the lens base into the plug and then realize the connection between the lens base and the tube body through the plug, so the diameter of the uterine cavity examination tube is at least equal to the sum of the outer diameter of the lens base, the double wall thickness of the plug and the double wall thickness of the tube body. In order to ensure the assembly relationship between the lens base and the plug, a necessary connecting structure is usually required to be designed between the lens base and the plug, which further increases the diameter of the uterine cavity examining tube. Moreover, since the diameter of the imaging assembly is usually constant, and at the same time, in order to make the lens holder provide a stable and reliable support for the imaging assembly, the outer diameter of the lens holder needs to be ensured, and the wall thickness of the plug and the tube body also needs to meet certain design requirements, the diameter of the uterine cavity examination tube with such a structure is usually large, for example, larger than 4.5mm, and cannot be smaller than 4.5 mm.

In addition, the uterine cavity examination tube is inconvenient to assemble and high in assembly cost for workers.

In summary, how to provide a uterine cavity examining tube with a small diameter and convenient assembly is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a uterine cavity examining tube, which has a small overall diameter and is easy to assemble.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a palace chamber inspection tube, includes pipe shaft, hood, microscope base and locates the formation of image subassembly of microscope base, the microscope base is equipped with:

the first sleeving part is used for fixedly sleeving the pipe body;

a second sleeving and connecting part which is used for fixedly sleeving and connecting with the head cover,

and the reserved notch is used for yielding a bending part of the FPC board of the uterine cavity inspection tube and axially penetrates through the first sleeving part and the second sleeving part.

Preferably, a boss for respectively axially limiting the pipe body and the head cover is arranged between the first sleeving part and the second sleeving part.

Preferably, the outer diameters of the boss, the tube body and the nose cap are equal.

Preferably, the lens base is an integral injection molding lens base.

Preferably, the pipe body is a metal pipe body.

Preferably, the reserved cut is a straight cut.

The utility model provides a palace chamber inspection tube when guaranteeing that the imaging assembly sets up, steps down to the portion of bending of FPC board through reserving the incision to ensure the equipment of FPC board and imaging assembly, simultaneously, the microscope base directly links to each other with the shaft of pipe through first grafting portion, and directly links to each other with the hood through second grafting portion. Compare in prior art through assembling the back with microscope base and stopper, make the microscope base pass through the stopper and link to each other with shaft of tubes and hood, this palace chamber inspection tube has cancelled the stopper, consequently, has reduced the diameter increase amount that brings for the whole palace chamber inspection tube because of the wall thickness of stopper, simultaneously, after the stopper cancellation, has also avoided the assembly structure between microscope base and the stopper, has further reduced the whole diameter of palace chamber inspection tube.

That is to say, the overall diameter of this palace chamber inspection tube is less, has avoided the equipment process of microscope base with the stopper simultaneously, makes the assembly of palace chamber inspection tube simple and convenient, has reduced workman's equipment cost, the stability of assurance product that can be better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a uterine cavity examining tube according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the imaging assembly, FPC board and lens holder of FIG. 1 after assembly;

fig. 4 is a schematic structural diagram of the lens holder in fig. 1.

The reference numerals in fig. 1 to 4 are as follows:

1 is a tube body, 2 is a head cover, 3 is a lens base, 31 is a first sleeving part, 32 is a second sleeving part, 33 is a reserved notch, 34 is a boss, 4 is an FPC board, 41 is a circular ring, 5 is a metal supporting plate, 6 is a metal supporting ring frame, 7 is a lens, 8 is an imaging element, and 9 is an LED chip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The core of the utility model is to provide a uterine cavity inspection tube, which has small overall diameter and is convenient for assembly.

Referring to fig. 1-4, fig. 1 is a schematic structural view of a uterine cavity examining tube according to an embodiment of the present invention; FIG. 2 is a cross-sectional view of FIG. 1; FIG. 3 is a schematic view of the imaging assembly, FPC board and lens holder of FIG. 1 after assembly; fig. 4 is a schematic structural diagram of the lens holder in fig. 1.

The utility model provides a uterine cavity inspection tube, which mainly comprises a tube body 1, a head cap 2, a lens base 3, an imaging component and the like, wherein the imaging component is fixedly arranged on the lens base 3.

It should be noted that, the main structures of the middle tube body 1, the head cap 2 and the imaging assembly of the present invention are the same as the main structure of the conventional uterine cavity examining tube in the prior art, and are not repeated herein.

In addition, the specific arrangement manner of the imaging assembly on the lens base 3 is the same as the arrangement manner of the imaging assembly of the conventional uterine cavity examination tube on the lens base 3 in the prior art, that is, the specific structure for arranging the imaging assembly on the lens base 3 please refer to the prior art.

The key point of the utility model is that the lens base 3 is provided with a first sleeving part 31, a second sleeving part 32 and a reserved notch 33.

Specifically, the first engaging portion 31 is used for engaging and fixing with the pipe body 1, for example, an outer peripheral portion of the first engaging portion 31 is in fit connection with an inner side wall of the pipe body 1; the second engaging portion 32 is used for engaging and fixing with the hood 2, for example, the outer circumference of the second engaging portion 32 is engaged and connected with the inner sidewall of the hood 2; the preformed notch 33 axially penetrates through the first sleeving part 31 and the second sleeving part 32 to make way for the bending part of the FPC board 4 of the uterine cavity inspection tube.

That is to say, the lens holder 3 of the present invention is directly connected to the tube body 1 through the first sleeve-connecting portion 31, and is directly connected to the head cap 2 through the second sleeve-connecting portion 32. Compare in prior art through assembling back with microscope base 3 and stopper, make microscope base 3 link to each other with shaft of tubes 1 and hood 2 through the stopper, this palace chamber inspection tube has cancelled the stopper, consequently, has reduced the diameter increase amount that brings for the whole palace chamber inspection tube because of the wall thickness of stopper, and simultaneously, the back is cancelled to the stopper, has also avoided the assembly structure between microscope base 3 and the stopper, has further reduced the overall diameter of palace chamber inspection tube.

In addition, it is understood that the imaging assembly generally includes a lens 7, an imaging element 8, an LED chip 9, and the like. Imaging element 8 is located in the holding tank of microscope base 3 towards shaft 1 one end, and lens 7 aims at imaging element 8 locate the one end of microscope base 3 towards hood 2, and simultaneously, imaging element 8 and the FPC board 4 fixed connection of palace chamber inspection tube, in view of the convenience that imaging element 8 and FPC board 4 are connected, preferably, one side that imaging element 8 was kept away from to the position that FPC board 4 corresponds imaging element 8 is equipped with metal support plate 5.

As shown in fig. 2 and 3, the FPC board 4 is a bending member, one end of the FPC board 4 is bent in the longitudinal direction of the head cap 2, the other end is bent in the longitudinal direction of the tube body 1, a circular ring 41 or a polygonal ring is provided at an end of the bent portion bent toward the head cap 2, the circular ring 41 or the polygonal ring is bent to be fitted around the outer peripheral portion of the lens holder 3, the circular ring 41 or the polygonal ring is provided with the LED chips 9, preferably, the number of the LED chips 9 is at least two (for example, four), and two or more LED chips 9 are provided on the circular ring 41 or the polygonal ring at one end of the FPC board 4 so as to be uniformly distributed in the circumferential direction of the lens holder 3. In view of the convenience of connecting the LED chip 9 to the circular ring 41 or the polygonal ring, it is preferable that the circular ring 41 or the polygonal ring is provided with a metal support ring frame 6 at a side away from the LED chip 9, and the metal support ring frame 6 is fitted on the outer circumference of the support portion of the lens holder 3.

In order to dodge the portion of bending that FPC board 4 was bent towards the length direction of hood 2, the utility model discloses seted up along the axial of first grafting portion 31 and second grafting portion 32 and reserved incision 33, should reserve incision 33 respectively with pipe shaft 1 and hood 2's inside wall between form certain clearance for make FPC board 4's the portion of bending pass.

That is to say, the utility model provides a palace chamber inspection tube when guaranteeing that the imaging assembly sets up, let a little to FPC board 4's the portion of bending through reserving incision 33 to ensure FPC board 4 and imaging assembly's equipment, simultaneously, compare in prior art, can reduce the overall diameter of palace chamber inspection tube, the equipment process of microscope base 3 with the stopper has been avoided simultaneously, make the assembly of palace chamber inspection tube simple and convenient, the workman equipment cost is reduced, the stability of assurance product that can be better.

In view of the axial positioning problem when the lens holder 3 is assembled with the tube body 1 and the nose cap 2, on the basis of the above embodiment, a boss 34 is provided between the first sleeving part 31 and the second sleeving part 32 for axially limiting the tube body 1 and the nose cap 2, respectively.

That is to say, when mirror seat 3 cup jointed with pipe shaft 1, the tip of pipe shaft 1 offseted with one side of boss 34, and when mirror seat 3 cup jointed with hood 2, the tip of hood 2 offseted with the opposite side of boss 34 to play pipe shaft 1 and hood 2 and carry out the spacing effect of axial.

In order to enable the smooth transition connection of the joint of the lens holder 3, the tube body 1 and the nose cap 2, the outer diameters of the boss 34, the tube body 1 and the nose cap 2 are equal to each other based on the above embodiment.

This ensures the smoothness and overall uniformity of the outer surface of the uterine tube.

In view of the simplicity and easy implementation of the processing method of the lens base 3, on the basis of the above-mentioned embodiments, the lens base 3 is an integral injection molding lens base.

That is, the present embodiment produces the mirror base 3 by injection molding to ensure the above-described respective structural features of the mirror base 3.

In order to further reduce the diameter of the uterine cavity examining tube, on the basis of the above embodiment, the tube body 1 is a metal tube body.

It can be understood that, compared with the conventional injection molding tube body 1 in the prior art, the wall of the metal tube body can be relatively thin, so that after the metal tube body is adopted, the wall thickness of the tube body 1 can be reduced, and the overall diameter of the uterine cavity examination tube is further reduced.

In view of the convenience of the processing of the precut 33, on the basis of the above embodiment, the precut 33 is a straight cut.

It can be understood that the straight cut has a simple structure and is easy to process.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The uterine cavity examination tube provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a palace chamber inspection tube, includes pipe shaft (1), hood (2), microscope base (3) and locates the formation of image subassembly of microscope base (3), its characterized in that, microscope base (3) are equipped with:

a first sleeving part (31) which is used for fixedly sleeving the pipe body (1);

a second sleeving and connecting part (32) which is used for being sleeved and fixed with the head cover (2),

and a reserved notch (33) for yielding the bending part of the FPC board (4) of the uterine cavity inspection tube, wherein the reserved notch (33) axially penetrates through the first sleeving part (31) and the second sleeving part (32).

2. Uterine cavity examination tube according to claim 1, characterized in that a boss (34) is provided between the first and second nesting sections (31, 32) for axial retention of the tube body (1) and the hood (2), respectively.

3. Hysteroscopy tube according to claim 2, characterized in that the external diameters of the boss (34), the tube body (1) and the hood (2) are equal.

4. Uterine cavity examination tube according to one of the claims 1-3, characterized in that the lens mount (3) is an integrally injection molded lens mount.

5. Uterine cavity examination tube according to claim 4, characterized in that the tube body (1) is a metallic tube body.

6. Uterine tube according to claim 4, characterized in that the pre-cut (33) is a straight cut.