CN219166482U - Endoscopic biopsy forceps and endoscopic equipment - Google Patents

Abstract

The application provides an scope biopsy sampling forceps, scope inspection equipment relates to scope inspection equipment field, and scope biopsy sampling forceps includes connecting rod, first moving part, first connecting pipe, second connecting pipe, backstop piece, crooked subassembly and binding clip subassembly, first connecting pipe is connected the connecting rod with the second connecting pipe, the backstop piece cover is located on the second connecting pipe, can reduce the palirrhea condition of gastric juice in the operation, increased the security of operation, crooked subassembly includes: the second connecting pipe is far away from one end of the first connecting pipe is connected with the connecting end of the first elastic piece, the clamp head assembly is connected with the bending end of the first elastic piece, the first moving piece is sleeved on the connecting rod and connected with the bending end, and the first moving piece is used for moving along the connecting rod so as to drive the bending end to swing, so that the sampling direction of the clamp head assembly can be adjusted, and the sampling efficiency is high.

Description

Endoscopic biopsy forceps and endoscopic equipment

Technical Field

The application relates to the field of endoscopic equipment, in particular to an endoscopic biopsy forceps and endoscopic equipment.

Background

The endoscope plays a key role in the examination and treatment of tissue biopsy, polypectomy, stenosis dilatation, biliary tract stone extraction and the like, can also see the lesions which cannot be displayed by X rays, and is one of important tools for peeping to treat human organs. The endoscopy has the characteristics of clarity, accuracy, safety and the like, and along with the application and popularization of painless technology, the population receiving the endoscopy is increased year by year.

The endoscopic biopsy forceps are used as an indispensable endoscopic component and are widely applied to diagnosis and treatment of various diseases under an endoscope. When taking a sample of stomach living body tissue, usually adopt blind formula, blind formula leads to patient's gastric juice palirrhea condition easily, has increased medical staff's the operation degree of difficulty and operation risk, and can't adjust the sampling direction, and sampling efficiency is low.

Disclosure of Invention

In order to overcome the defects in the prior art, the application provides an endoscopic biopsy forceps and an endoscopic examination device.

In a first aspect, the present application provides an endoscopic biopsy forceps comprising: connecting rod, first moving part, first connecting pipe, second connecting pipe, backstop spare, crooked subassembly and binding clip subassembly, first connecting pipe is connected the connecting rod with the second connecting pipe, the backstop spare cover is located on the second connecting pipe, crooked subassembly includes: the first elastic piece, the second connecting pipe is kept away from the one end of first connecting pipe with the link of first elastic piece is connected, the binding clip subassembly with the bending end of first elastic piece is connected, first moving part cover is located on the connecting rod, first moving part with the bending end is connected, first moving part is used for following the connecting rod removes, in order to drive the bending end swing.

With reference to the first aspect, in a possible implementation manner, a thickness of the middle end of the stopper is greater than a thickness of the two ends.

With reference to the first aspect, in a possible implementation manner, the second connecting pipe is provided with a first lubrication coating, and the stop piece is sleeved on the first lubrication coating.

With reference to the first aspect, in one possible implementation manner, the first elastic member is provided with a groove, the groove is internally provided with a second elastic member, the first moving member is provided with a first connecting member, the first connecting member is connected with the bending end, and the first moving member is used for moving along the connecting rod to drive the first connecting member to move, so that the bending end swings.

With reference to the first aspect, in one possible implementation manner, a first thread is disposed on an end, close to the first moving member, of the connecting rod, and a second thread is disposed in the first moving member, and the second thread and the first thread are matched with each other, so that the first moving member can move along the connecting rod.

With reference to the first aspect, in a possible implementation manner, the endoscopic biopsy forceps further include: the second moving part is sleeved on the connecting rod, the second moving part is located at one end, far away from the first moving part, of the connecting rod, a second connecting part is arranged on the second moving part and connected with the clamp head assembly, and the second moving part is used for moving along the connecting rod to drive the clamp head assembly to open and close.

With reference to the first aspect, in a possible implementation manner, a handle is further provided on the second moving member.

With reference to the first aspect, in one possible implementation manner, the clamp head assembly includes: the connecting cylinder is connected with the bending end, the two clamp rods are arranged in a crossing mode, the two clamp rods are hinged in the connecting cylinder, the clamp head is connected with one end, away from the bending assembly, of the clamp rod, and the second connecting piece is connected with the clamp rod.

With reference to the first aspect, in a possible implementation manner, the clamp head is provided with a second lubrication coating.

In a second aspect, the present application provides an endoscopic device comprising an endoscopic biopsy forceps as described above.

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

the application provides an scope biopsy forceps, including connecting rod, first moving part, first connecting pipe, second connecting pipe, backstop piece, crooked subassembly and binding clip subassembly, first connecting pipe is connected the connecting rod with the second connecting pipe, the backstop piece cover is located on the second connecting pipe, can reduce the palirrhea condition of gastric juice in the operation, increased the security of operation, crooked subassembly includes: the second connecting pipe is far away from one end of the first connecting pipe is connected with the connecting end of the first elastic piece, the clamp head assembly is connected with the bending end of the first elastic piece, the first moving piece is sleeved on the connecting rod and connected with the bending end, and the first moving piece is used for moving along the connecting rod so as to drive the bending end to swing, so that the sampling direction of the clamp head assembly can be adjusted, and the sampling efficiency is high.

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 is a schematic view showing the overall structure of an endoscopic biopsy forceps;

FIG. 2 shows a schematic side view of an endoscopic biopsy forceps;

FIG. 3 shows a schematic cross-sectional view of a second displacement member of an endoscopic biopsy forceps;

FIG. 4 shows a schematic structural view of the connecting rod of the endoscopic biopsy forceps;

FIG. 5 shows a schematic structural view of a first mobile element of an endoscopic biopsy forceps;

FIG. 6 shows a schematic structural view of a bending assembly of an endoscopic biopsy forceps;

FIG. 7 shows a schematic view of the bending assembly of the endoscopic biopsy forceps in a bent state;

fig. 8 shows a schematic structural view of a forceps head assembly of an endoscopic biopsy forceps.

Description of main reference numerals:

100-handle; 200-connecting rods; 210-a first through slot; 220—first threads; 230-connecting strips; 300-a second mover; 310-a second through slot; 320-handle; 330-a second connector; 400-a first moving member; 410-a first connector; 500-a first connection tube; 600-a second connecting pipe; 700-stop; 800-bending assembly; 810-a first elastic member; 811-grooves; 812-connection end; 813-a curved end; 820-a second elastic member; 900-a clamp head assembly; 910-a connecting cylinder; 920-clamp lever; 921-hinged end; 930-binding clip; 940-a first connection plate; 950-a second connection plate; 960-hinge shaft.

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, an embodiment of the present application provides an endoscopic biopsy forceps, including: the handle 100, the connection rod 200, the first mover 400, the first connection pipe 500, the second connection pipe 600, the stopper 700, the bending assembly 800, and the binding clip assembly 900. One end of the connecting rod 200 is connected to the handle 100, and the other end is connected to the first moving member 400. The first connecting pipe 500 is disposed at an end of the first moving member 400 away from the connecting rod 200, and the first connecting pipe 500 is connected with the first moving member 400. The second connection pipe 600 is disposed at an end of the first connection pipe 500 away from the first moving member 400, and the second connection pipe 600 is connected to the first connection pipe 500. The stopper 700 is sleeved on the second connection pipe 600. The bending unit 800 is disposed at an end of the second connection pipe 600 remote from the first connection pipe 500, and the bending unit 800 is connected to the second connection pipe 600. The clamp assembly 900 is disposed at an end of the bending assembly 800 away from the second connecting pipe 600, and the clamp assembly 900 is connected to the bending assembly 800.

In some embodiments, the handle 100 is made of an antibacterial material, and an anti-slip layer is disposed on the handle 100.

Referring to fig. 2 and 4, in some embodiments, the connecting rod 200 is cylindrical, and a first through groove 210, a through hole, and a first thread 220 are provided on the connecting rod 200. The first through groove 210 is disposed along the length direction of the connecting rod 200, the first through groove 210 penetrates through the connecting rod 200 along the diameter direction of the connecting rod 200 to divide the connecting rod 200 into two connecting bars 230, and the center line of the first through groove 210 coincides with the center line of the connecting rod 200. The through hole is located at one end of the connecting rod 200 away from the handle 100, the through hole is disposed along the length direction of the connecting rod 200, and the central axis of the through hole coincides with the central axis of the connecting rod 200. The first thread 220 is disposed on the end of the connecting rod 200 near the through hole.

Referring to fig. 3, in some embodiments, the endoscopic biopsy forceps further comprise: and a second mover 300. The second moving member 300 is sleeved on the connecting rod 200, and the second moving member 300 is cylindrical. The second moving member 300 is provided with a second through slot 310. The second through slots 310 are two opposite to each other.

In other embodiments, the second moving member 300 is prismatic.

In some embodiments, two connection bars 230 are respectively inserted into the corresponding second through slots 310, and the second through slots 310 and the connection bars 230 are matched with each other, so that the second moving member 300 can slide along the connection bar 200.

Referring to fig. 2, in some embodiments, the second moving member 300 is provided with a handle 320 and a second connecting member 330. The two handles 320 are oppositely arranged, the two handles 320 are arranged on the second moving member 300 along the length direction of the connecting rod 200, the two handles 320 are respectively connected with one corresponding end of the second moving member 300, and the handles 320 are circular handles. The central axis of the second connecting piece 330 coincides with the central axis of the second moving piece 300, one end of the second connecting piece 330 is connected with one end of the second moving piece 300 away from the handle 100, and the other end is sleeved in the through hole.

In other embodiments, the pull handle 320 is a square handle.

Referring to fig. 4 and 5, in some embodiments, the first moving member 400 is sleeved on an end of the connecting rod 200 near the first thread 220, the first moving member 400 is a ring, and the first moving member 400 is provided with a second thread and a first connecting member 410. The second screw thread and the first screw thread 220 are matched with each other so that the first mover 400 can move along the connection rod 200. The first connecting member 410 is connected to the first moving member 400.

In some embodiments, the first connecting tube 500 is a sheath tube, the first connecting tube 500 is sleeved at one end of the first moving member 400 away from the connecting rod 200, and a central axis of the first connecting tube 500 coincides with a central axis of the first moving member 400. One end of the first connecting piece 410 is connected to the first moving piece 400, and the other end is sleeved in the first connecting pipe 500.

In some embodiments, the second connecting tube 600 is a spring tube, the second connecting tube 600 is sleeved at an end of the first connecting tube 500 away from the first moving member 400, and a central axis of the second connecting tube 600 coincides with a central axis of the first connecting tube 500.

In some embodiments, the second connection tube 600 is coated with a first lubricious coating. The first lubrication coating is a teflon coating, so that the second connection pipe 600 can be more smoothly inserted into the endoscopic forceps channel, and the abrasion to the endoscopic forceps channel can be effectively reduced.

In some embodiments, the stopper 700 is a sleeve, the stopper 700 is made of silicone, and the thickness of the middle end of the stopper 700 is greater than the thickness of the two ends.

Referring to fig. 6 and 7, in some embodiments, the bending assembly 800 includes: the first elastic member 810 and the second elastic member 820. One end of the first elastic member 810 near the clamp head assembly 900 is the bent end 813, and the other end is the connecting end 812. The connecting end 812 is connected to the second connecting tube 600 and the bent end 813 is connected to the binding clip assembly 900. The second elastic member 820 is disposed on the first elastic member 810.

In some embodiments, the first elastic member 810 is an elastic rod, and a groove 811 is provided on the first elastic member 810. The second elastic member 820 is disposed in the groove 811, the second elastic member 820 is a toothed elastic member, and the second elastic member 820 is connected to the bottom wall of the groove 811.

In some embodiments, the height of the first elastic member 810 is smaller than the depth of the groove 811, and the plurality of second elastic members 820 are arranged in the groove 811 along the length direction of the first elastic member 810, and the spacing between two adjacent second elastic members 820 is equal.

Referring to fig. 8, in some embodiments, the binding clip assembly 900 includes: the connecting tube 910, the clamp lever 920, the clamp head 930, the first connecting plate 940, the second connecting plate 950 and the hinge shaft 960. The connection cylinder 910 is connected to an end of the first elastic member 810 remote from the second connection pipe 600. The two clamp levers 920 are arranged in a crossing manner, and the two clamp levers 920 are hinged in the connecting cylinder 910. The clamp head 930 is connected to an end of the clamp lever 920 away from the first elastic member 810. The end of the clamp lever 920 remote from the first elastic member 810 is a hinge end 921. One end of the first connection plate 940 is hinged to the hinge end 921 remote from the second connection plate 950, and the other end is hinged to the second connection through the hinge shaft 960. The end of the second connection plate 950 remote from the hinge shaft 960 is hinged to the hinge end 921 remote from the first connection plate 940.

In some embodiments, the clamp head 930 is coated with a second lubricious coating. The second lubricious coating is a teflon coating.

In some embodiments, the second connecting member 330 sequentially passes through the through hole, the second moving member 300, the first connecting tube 500, the second connecting tube 600, and the first elastic member 810, and is sleeved in the connecting tube 910.

In some embodiments, the second connecting member 330 is a cable, one end of the second connecting member 330 is connected to the second moving member 300, the other end is connected to the hinge shaft 960, and the central axis of the second connecting member 330 coincides with the central axis of the first connecting tube 500.

In some embodiments, the first connecting member 410 sequentially passes through the first connecting tube 500 and the second connecting tube 600, and is sleeved in the first elastic member 810.

In some embodiments, the first connecting member 410 is a cable, and one end of the first connecting member 410 is connected to the first moving member 400, and the other end is connected to one end of the second elastic member 820 adjacent to the first elastic member 810. The second connecting member 330 is located at a side of the first connecting member 410 remote from the second elastic member 820.

In the process of sampling, the handle 320 is pulled, so that the first moving member 400 moves in a direction approaching to the handle 100, so that the first connecting member 410 moves in a direction away from the clamp head 930, and the movement of the first connecting member 410 drives the movement of the hinge shaft 960, so that an included angle between the first connecting plate 940 and the second connecting plate 950 is reduced, and the two hinge ends 921 are driven to move in opposite directions, so that the two clamp heads 930 are closed, thereby completing the shearing of the sampled tissue. The second moving member 300 is rotated, so that the second moving member 300 moves in a direction approaching to the handle 100, so that the second connecting member 330 moves in a direction away from the bending end 813, and the movement of the second connecting member 330 drives the bending end 813 to bend in a direction approaching to the second elastic member 820, so as to drive the rotation of the hinge end 921, thereby adjusting the shearing direction of the two clamp heads 930, and achieving high sampling efficiency. The stop member 700 adopts a design with a thick middle and thin two ends, so that the condition of gastric juice reflux in operation can be reduced, and the operation safety is improved.

Example two

Referring to fig. 1 to 8, an embodiment of the present application provides an endoscopic apparatus, including the endoscopic biopsy forceps according to the first embodiment. The endoscopic biopsy forceps are used for sampling living tissues such as larynx, bronchus, stomach, intestine, liver, gall bladder and the like in endoscopic examination.

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 (10)

1. An endoscopic biopsy forceps, comprising: the clamping device comprises a connecting rod, a first moving piece, a first connecting pipe, a second connecting pipe, a stopping piece, a bending assembly and a clamp head assembly;

the first connecting pipe is connected with the connecting rod and the second connecting pipe;

the stop piece is sleeved on the second connecting pipe;

the bending assembly includes: a first elastic member;

one end of the second connecting pipe far away from the first connecting pipe is connected with the connecting end of the first elastic piece;

the clamp head assembly is connected with the bending end of the first elastic piece;

the first moving piece is sleeved on the connecting rod and connected with the bending end, and the first moving piece is used for moving along the connecting rod so as to drive the bending end to swing.

2. An endoscopic biopsy sampling forceps according to claim 1, wherein the thickness of the intermediate ends of the stop member is greater than the thickness of the ends.

3. An endoscopic biopsy sampling forceps according to claim 1 or 2, wherein the second connecting tube is provided with a first lubricious coating, and the stop is sleeved on the first lubricious coating.

4. The endoscopic biopsy sampling forceps according to claim 1, wherein the first resilient member is provided with a recess;

a second elastic piece is arranged in the groove;

the first moving part is provided with a first connecting part, the first connecting part is connected with the bending end, and the first moving part is used for moving along the connecting rod so as to drive the first connecting part to move, so that the bending end swings.

5. The endoscopic biopsy sampling forceps according to claim 1, wherein the connecting rod is provided with a first thread on an end thereof adjacent to the first displacement member;

the first moving part is internally provided with a second thread, and the second thread is matched with the first thread, so that the first moving part can move along the connecting rod.

6. The endoscopic biopsy sampling forceps according to claim 1, further comprising: a second moving member;

the second moving part is sleeved on the connecting rod and is positioned at one end of the connecting rod far away from the first moving part, a second connecting part is arranged on the second moving part and is connected with the clamp head assembly, and the second moving part is used for moving along the connecting rod so as to drive the clamp head assembly to open and close.

7. The endoscopic biopsy sampling forceps according to claim 6, wherein the second displacement member is further provided with a pull handle.

8. An endoscopic biopsy sampling forceps according to claim 6, wherein the forceps head assembly comprises: the connecting cylinder, the clamp rod and the clamp head;

the connecting cylinder is connected with the bending end;

the two clamp rods are arranged in a crossing way and are hinged in the connecting cylinder;

the clamp head is connected with one end of the clamp rod, which is far away from the bending component, and the second connecting piece is connected with the clamp rod.

9. An endoscopic biopsy sampling forceps according to claim 8, wherein the forceps head is provided with a second lubricious coating.

10. An endoscopic apparatus comprising an endoscopic biopsy forceps according to any one of claims 1 to 9.

Images