CN218979011U

CN218979011U - Biopsy forceps and medical equipment

Info

Publication number: CN218979011U
Application number: CN202222891392.8U
Authority: CN
Inventors: 杨振宇; 胡珊
Original assignee: Wuhan Endoangel Medical Technology Co Ltd
Current assignee: Wuhan Endoangel Medical Technology Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-05-09
Anticipated expiration: 2032-10-28

Abstract

The application provides biopsy forceps and medical equipment, and relates to the technical field of medical equipment. The biopsy forceps comprise a shell, a first forceps holder, a second forceps holder, a push plate, a push rod and a brush head; the first clamping jaw and the second clamping jaw are respectively connected with the shell in a rotating way, and one side of the first clamping jaw opposite to the second clamping jaw is used for clamping a tissue block; the push plate is movably arranged in the shell, the brush head is arranged between the first clamping jaw and the second clamping jaw, and the push plate is connected with the brush head through the push rod. The medical device comprises the biopsy forceps. The biopsy forceps of the application can strip the tissue mass from the first jaw or the second jaw without using an additional tool, thereby reducing the risk of contamination of the tissue mass.

Description

Biopsy forceps and medical equipment

Technical Field

The application relates to the technical field of medical instruments, in particular to a biopsy forceps and medical equipment.

Background

Biopsy forceps are an indispensable tool for obtaining pathological specimens in endoscopy. After a doctor takes the biopsy tissue through the biopsy forceps jaws, the biopsy tissue is adhered to the forceps jaws of the biopsy forceps and is difficult to fall off due to the viscosity of the biopsy tissue. At present, a tool such as forceps is generally used for stripping the biopsy tissue from the forceps holder, but the use of the tool such as forceps increases the risk of contamination of the biopsy tissue, thereby affecting the detection result of the biopsy tissue.

Disclosure of Invention

In order to overcome the defects in the prior art, the application provides biopsy forceps and medical equipment.

The application provides the following technical scheme:

a biopsy forceps for clamping a tissue mass, the biopsy forceps comprising a housing, a first jaw, a second jaw, a push plate, a push rod and a brush head; the first clamping jaw and the second clamping jaw are respectively connected with the shell in a rotating way, and one side of the first clamping jaw opposite to the second clamping jaw is used for clamping the tissue block; the push plate is movably arranged in the shell, the brush head is arranged between the first clamping jaw and the second clamping jaw, and the push plate is connected with the brush head through the push rod.

In one possible implementation manner, a cavity is formed at one end of the shell, and an opening is formed in the inner wall of the cavity; the opening direction of the opening hole on the shell is the same as the length direction of the shell; the end of the push plate is slidingly arranged in the open hole.

In one possible implementation manner, the inner walls of the two opposite sides of the cavity are respectively provided with a first opening and a second opening; the two ends of the push plate respectively penetrate through the first opening and the second opening and are arranged on the outer side of the shell.

In one possible embodiment, the biopsy forceps further comprise a spring; one side of the push plate, which is far away from the push rod, is connected with the inner wall of the cavity, which is far away from one side of the first clamp, through the spring.

In one possible embodiment, the biopsy forceps further comprise a connecting post; the connecting column is arranged in the shell, and one end of the first clamp and one end of the second clamp are both arranged in the shell and are respectively connected with the connecting column in a rotating way; the push rod passes through the connecting column and is connected with the brush head.

In one possible embodiment, the first jaw is provided with a first connecting portion, and the second jaw is provided with a second connecting portion; the first connecting portion is located below the second connecting portion, and the first connecting portion and the second connecting portion are respectively sleeved on the connecting column.

In one possible embodiment, the first clamping part is further provided with a first clamping part, and the second clamping part is further provided with a second clamping part; and the opposite sides of the first clamping part and the second clamping part are respectively provided with a saw tooth slot.

In one possible embodiment, the biopsy forceps further comprise a first drive rod and a second drive rod; the shell is provided with a first driving hole corresponding to the first driving rod and a second driving hole corresponding to the second driving rod; the first driving rod is movably arranged in the first driving hole and connected with the first connecting part, and the second driving rod is movably arranged in the second driving hole and connected with the second connecting part.

In one possible embodiment, the width of the first driving hole is greater than the width of the first driving rod, and the first driving rod is capable of moving in the width direction of the first driving hole in the first driving hole; the width of the second driving hole is larger than that of the second driving rod, and the second driving rod can move in the second driving hole along the width direction of the second driving hole.

In a second aspect, the present application also provides a medical device comprising the biopsy forceps described above.

Compared with the prior art, the beneficial effect of this application:

the biopsy forceps provided by the embodiment of the application are used for clamping the tissue block between the first jaw and the second jaw through the cooperation of the first jaw and the second jaw; when the tissue block is adhered to the first clamping jaw or the second clamping jaw, the push plate drives the brush head to move between the first clamping jaw and the second clamping jaw along the length direction of the push rod through the push rod so as to strip the tissue block from the first clamping jaw or the second clamping jaw. The biopsy forceps provided by the application can be used for stripping the tissue block from the first forceps holder or the second forceps holder without using an additional tool, so that the risk of pollution to the tissue block is reduced.

In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows an exploded view of a biopsy forceps according to an embodiment of the present application;

FIG. 2 shows a schematic structural view of a biopsy forceps according to an embodiment of the present application;

FIG. 3 shows a schematic structural view of a housing according to an embodiment of the present application;

FIG. 4 shows a schematic view of the structure of a first jaw according to an embodiment of the present application;

fig. 5 shows a schematic structural view of a second jaw according to an embodiment of the present application.

Description of main reference numerals:

100-biopsy forceps; 110-a housing; 111-cavity; 112-a fixed stage; 113-a first opening; 114-a second opening; 115-a first drive hole; 116-a second drive hole; 120-a first jaw; 121-a first connection; 1211-a first connection block; 122-a first clamping portion; 123-sawing tooth grooves; 124-mating grooves; 130-a second jaw; 131-a second connection; 1311-a second connection block; 132-a second clamping portion; 140-pushing plate; 150-pushing rod; 160-brush head; 170-a spring; 171-a fixed plate; 180-connecting columns; 190-a first drive rod; 191-a second driving rod.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Example 1

Referring to fig. 1-5, one embodiment of the present application provides a biopsy forceps 100. The biopsy forceps 100 are used to grasp a tissue mass at a lesion of a patient.

Referring to fig. 1 and 2, the biopsy forceps 100 include a housing 110, a first jaw 120, a second jaw 130, a pusher plate 140, a pusher bar 150, and a brush head 160; the first jaw 120 and the second jaw 130 are respectively rotatably connected with the housing 110; the push plate 140 is movably disposed in the housing 110, the brush head 160 is disposed between the first jaw 120 and the second jaw 130, and the push plate 140 and the brush head 160 are connected by the push rod 150.

By rotating the first jaw 120 and the second jaw 130, the tissue mass can be clamped between the first jaw 120 and the second jaw 130. The push plate 140 drives the brush head 160 through the push rod 150, and moves between the first jaw 120 and the second jaw 130 along the length direction of the push rod 150, so as to peel the tissue block from the first jaw 120 or the second jaw 130.

The biopsy forceps 100 further comprise a connecting column 180, a cavity 111 is formed at one end of the housing 110, and the connecting column 180 is fixed in the cavity 111; one end of the first clamping jaw 120 and one end of the second clamping jaw 130 are both disposed in the cavity 111 and are respectively rotatably connected with the connecting post 180; the pushing plate 140 is movably disposed in the cavity 111, and the pushing rod 150 is connected to the brush head 160 through the connecting post 180.

The connecting post 180 is provided with a through hole matched with the push rod 150, one end of the push rod 150 is fixedly connected with the push plate 140 in a welding manner, and one end of the push rod 150, which is far away from the push plate 140, passes through the through hole and is fixedly connected with the brush head 160 in a welding manner, so that when the push plate 140 moves in the cavity 111, the push plate 140 can drive the brush head 160 to move through the push rod 150.

The first jaw 120 and the second jaw 130 are capable of rotating about the connecting post 180 in opposite directions, respectively, such that the first jaw 120 and the second jaw 130 are moved away from or toward each other, thereby clamping the tissue mass between the first jaw 120 and the second jaw 130.

As shown in fig. 3, the inner walls of two opposite sides of the cavity 111 are respectively provided with a first opening 113 and a second opening 114 which are symmetrical; both ends of the push plate 140 are slidably disposed in the first opening 113 and the second opening 114, respectively.

The opening directions of the first opening 113 and the second opening 114 on the housing 110 are the length direction of the housing 110, and the widths of the first opening 113 and the second opening 114 are slightly larger than the widths of the two ends of the push plate 140. The length direction of the push rod 150 is the same as the length direction of the housing 110.

The push plate 140 has a length greater than the thickness of the housing 110. Both ends of the push plate 140 are disposed outside the housing 110 through the first opening 113 and the second opening 114, respectively. An operator can push the two ends of the push plate 140 to move in the first opening 113 and the second opening 114 by hand on the outer side of the housing 110, so that the push plate 140 drives the push rod 150 to move, and the push rod 150 drives the brush head 160 to move between the first jaw 120 and the second jaw 130 along the length direction of the push rod 150.

The biopsy forceps 100 further comprise a spring 170, and the side of the push plate 140 away from the push rod 150 is connected with the inner wall of the cavity 111 away from the side of the first forceps holder 120 through the spring 170.

The inner wall of the cavity 111, which is far away from the first jaw 120, is provided with a fixing table 112, one end of the spring 170, which is far away from the push plate 140, is fixed with a fixing plate 171, the fixing plate 171 corresponds to the fixing table 112, and the fixing plate 171 can be fixed on the fixing table 112 in a welding manner, so that the spring 170 is connected with the inner wall of the cavity 111.

When the operator continues to push the push plate 140 in a direction approaching the connection post 180, the spring 170 is stretched by a tensile force, and the brush head 160 can move between the first jaw 120 and the second jaw 130 in a direction away from the housing 110. When the operator releases the push plate 140, the spring 170 is restored to be shortened, and the elastic force of the spring 170 drives the push plate 140 to move away from the connecting post 180, so that the brush head 160 moves between the first jaw 120 and the second jaw 130 in a direction approaching the housing 110.

Referring to fig. 1 to 5, the first jaw 120 includes a first connection portion 121 and a first clamping portion 122, and the second jaw 130 includes a second connection portion 131 and a second clamping portion 132.

The first connecting portion 121 is located below the second connecting portion 131, and the first connecting portion 121 and the second connecting portion 131 are respectively sleeved on the connecting post 180 and are rotatably connected with the connecting post 180.

The opposite sides of the first clamping portion 122 and the second clamping portion 132 are respectively provided with a serration groove 123, and the serration grooves 123 are used for increasing the contact area between the first clamping portion 122 and the second clamping portion 132 and the tissue block so as to improve the stability of the biopsy forceps 100 for clamping the tissue block.

A first sawtooth groove is formed in the first clamping part 122, and a second sawtooth groove is formed in the second clamping part 132; the opening direction of the first sawtooth groove on the first clamping part 122 is the same as the opening direction of the second sawtooth groove on the second clamping part 132; and are all parallel to the longitudinal direction of the push plate 140.

The opposite sides of the first clamping portion 122 and the second clamping portion 132 are also provided with a mating groove 124 corresponding to the push rod 150, and the mating groove 124 communicates with the sawtooth groove 123.

A first matching groove is formed in the first clamping portion 122, and a second matching groove is formed in the second clamping portion 132; the opening direction of the first matching groove on the first clamping part 122 is the same as the opening direction of the second matching groove on the second clamping part 132; and are all extending directions of the length of the push rod 150.

The length direction of the brush head 160 is the same as the opening direction of the sawtooth groove 123, and when the first jaw 120 and the second jaw 130 are closed, a first cavity is formed between the groove of the first sawtooth groove and the groove of the second sawtooth groove, and the first cavity is used for accommodating the brush head 160.

When the first jaw 120 and the second jaw 130 are closed, a second cavity is formed between the first mating groove and the second mating groove, and the second cavity is configured to receive the push rod 150.

Referring to fig. 1 to 5, the biopsy forceps 100 further includes a first drive rod 190 and a second drive rod 191; the housing 110 is provided with a first driving hole 115 corresponding to the first driving rod 190 and a second driving hole 116 corresponding to the second driving rod 191; the first driving rod 190 is movably disposed in the first driving hole 115 and connected to the first connection part 121, and the second driving rod 191 is movably disposed in the second driving hole 116 and connected to the second connection part 131.

The first drive hole 115 and the second drive hole 116 are both in communication with the cavity 111; the opening directions of the first driving hole 115 and the second driving hole 116 on the housing 110 are both the length direction of the housing 110.

The width of the first driving hole 115 is greater than the width of the first driving rod 190, and the width of the second driving hole 116 is greater than the width of the second driving rod 191; the first driving rod 190 is movable in the first driving hole 115 in the width direction of the first driving hole 115, and the second driving rod 191 is movable in the second driving hole 116 in the width direction of the second driving hole 116.

The operator controls the opening and closing of the first jaw 120 and the second jaw 130 by controlling the first driving lever 190 to move in the width direction of the first driving hole 115 and the second driving lever 191 to move in the width direction of the second driving hole 116 in the first driving hole 115, respectively, so that the first driving lever 190 and the second driving lever 191 drive the first connection part 121 and the second connection part 131 to rotate around the connection post 180, respectively.

The maximum opening angle of the first jaw 120 and the second jaw 130 is affected by the width of the first drive aperture 115 and the width of the second drive aperture 116. The operator can select the appropriate width of the first driving hole 115 and the second driving hole 116 according to the actual needs.

A first connecting block 1211 is provided on the upper surface of the first connecting portion 121, and one end of the first driving rod 190 is sleeved on the first connecting block 1211, so that the first driving rod 190 is fixedly connected with the first connecting portion 121; the lower surface of the second connecting portion 131 is provided with a second connection block 1311, and one end of the second driving rod 191 is sleeved on the second connection block 1311, so that the second driving rod 191 is fixedly connected with the second connecting portion 131.

In some embodiments, when the biopsy forceps 100 is used to grasp a tissue mass, the first and

second jaws

120, 130 are first closed to grasp the tissue mass by driving the first and

second drive rods

190, 191 to move relative to each other within the first and second drive holes 115, 116, respectively.

After the biopsy forceps 100 are removed from the patient, the first and

second jaws

120, 130 are opened by driving the first and

second drive rods

190, 191 into the first and second drive holes 115, 116, respectively, in opposite directions. At this time, if the tissue mass is adhered to the first jaw 120 or the second jaw 130, the operator can peel the tissue mass from the first jaw 120 or the second jaw 130 by adjusting the opening angle between the first jaw 120 and the second jaw 130, so that the push plate 140 drives the brush head 160 to move between the first jaw 120 and the second jaw 130.

The biopsy forceps 100 provided in this embodiment, through the cooperation of the first jaw 120 and the second jaw 130, clamps the tissue mass between the first jaw 120 and the second jaw 130; when the tissue block is adhered to the first jaw 120 or the second jaw 130, the push plate 140 drives the brush head 160 to move between the first jaw 120 and the second jaw 130 along the length direction of the push rod 150 through the push rod 150 so as to peel the tissue block from the first jaw 120 or the second jaw 130. The biopsy forceps 100 provided herein may be used to strip the tissue mass from either the first jaw 120 or the second jaw 130 without the use of additional tools, thereby reducing the risk of contamination of the tissue mass.

Example two

The present application also provides a medical device comprising the biopsy forceps 100 described above.

The medical device in this embodiment is an enteroscope device.

The medical device further includes a console and a speculum; the end of the first driving rod 190 far away from the first jaw 120 and the end of the second driving rod 191 far away from the second jaw 130 are respectively connected with the control console, and the control console can respectively control the first driving rod 190 to move in the first driving hole 115 and the second driving rod 191 to move in the second driving hole 116, so as to control the opening and closing of the first jaw 120 and the second jaw 130.

The speculum is provided on the housing 110 and is electrically connected to the console; when the biopsy forceps 100 are positioned in the alimentary canal of a patient, the endoscope can capture images of the alimentary canal of the patient in real time and transmit the images to the console so that an operator can observe a focus in the alimentary canal of the patient and clamp a tissue block at the focus of the patient through the biopsy forceps 100.

After the biopsy forceps 100 are removed from the patient's alimentary canal, the operator moves within the housing 110 by pushing the push plate 140; the push plate 140 drives the brush head 160 to move between the first jaw 120 and the second jaw 130 through the push rod 150, so that the tissue mass between the first jaw 120 and the second jaw 130 is peeled off from the first jaw 120 and the second jaw 130.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. A biopsy forceps is used for clamping a tissue block and is characterized by comprising a shell, a first forceps holder, a second forceps holder, a push plate, a push rod and a brush head; the first clamping jaw and the second clamping jaw are respectively connected with the shell in a rotating way, and one side of the first clamping jaw opposite to the second clamping jaw is used for clamping the tissue block; the push plate is movably arranged in the shell, the brush head is arranged between the first clamping jaw and the second clamping jaw, and the push plate is connected with the brush head through the push rod.

2. The biopsy forceps of claim 1, wherein a cavity is formed in one end of the housing, and an opening is formed in an inner wall of the cavity; the opening direction of the opening hole on the shell is the same as the length direction of the shell; the end of the push plate is slidingly arranged in the open hole.

3. The biopsy forceps of claim 2, wherein the inner walls of opposite sides of the cavity are provided with a first aperture and a second aperture, respectively; the two ends of the push plate respectively penetrate through the first opening and the second opening and are arranged on the outer side of the shell.

4. The bioptome of claim 3, wherein said bioptome further includes a spring; one side of the push plate, which is far away from the push rod, is connected with the inner wall of the cavity, which is far away from one side of the first clamp, through the spring.

5. The bioptome of claim 1, wherein said bioptome further includes a connecting post; the connecting column is arranged in the shell, and one end of the first clamp and one end of the second clamp are both arranged in the shell and are respectively connected with the connecting column in a rotating way; the push rod passes through the connecting column and is connected with the brush head.

6. The biopsy forceps of claim 5, wherein the first jaw has a first connection portion thereon and the second jaw has a second connection portion thereon; the first connecting portion is located below the second connecting portion, and the first connecting portion and the second connecting portion are respectively sleeved on the connecting column.

7. The biopsy forceps of claim 6, wherein the first jaw further comprises a first gripping portion and the second jaw further comprises a second gripping portion; and the opposite sides of the first clamping part and the second clamping part are respectively provided with a saw tooth slot.

8. The bioptome of claim 6, further comprising a first drive rod and a second drive rod; the shell is provided with a first driving hole corresponding to the first driving rod and a second driving hole corresponding to the second driving rod; the first driving rod is movably arranged in the first driving hole and connected with the first connecting part, and the second driving rod is movably arranged in the second driving hole and connected with the second connecting part.

9. The bioptome of claim 8, wherein a width of said first drive aperture is greater than a width of said first drive bar, said first drive bar being movable within said first drive aperture in a width direction of said first drive aperture; the width of the second driving hole is larger than that of the second driving rod, and the second driving rod can move in the second driving hole along the width direction of the second driving hole.

10. A medical device comprising a biopsy forceps according to any one of claims 1 to 9.