CN220069762U

CN220069762U - Disposable thermal biopsy forceps

Info

Publication number: CN220069762U
Application number: CN202321621526.2U
Authority: CN
Inventors: 印建新; 陈润生; 陈林锋
Original assignee: Jiangsu Zhenyoumei Biotechnology Co ltd
Current assignee: Jiangsu Zhenyoumei Biotechnology Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-11-24
Anticipated expiration: 2033-06-26

Abstract

The utility model discloses a disposable thermal biopsy forceps which comprises a main body, a handle connector arranged at the end part of the main body, a protective sleeve arranged at the end part of the handle connector, a sheath arranged at the end part of the protective sleeve and a flat jaw clamp arranged at the end part of the sheath, wherein the main body consists of a rod body A and a rod body B, one end of the rod body B penetrates through the inner side of the rod body A, a limiting assembly is arranged at the joint part of the rod body B and the rod body A, the limiting assembly consists of a sliding groove and a sliding block, the sliding groove is formed in the inner wall of the rod body A, and the sliding block is fixed on the surface of the rod body B; through the fixed establishment of design, make handle B pulling and promote the back of accomplishing, fix through fixed establishment, need not to last to operate handle B with the hand, increase the simple operation degree, satisfy and get the back to sample tissue pincers, disposable heat biopsy pincers break away from the in-process, can liberate one hand and operate other equipment to convenient to use.

Description

Disposable thermal biopsy forceps

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a disposable thermal biopsy forceps.

Background

The endoscope biopsy technology is a minimally invasive diagnosis and treatment technology completed through an endoscope working forceps channel, belongs to advanced endoscope technology, is matched with a disposable heat biopsy forceps, an endoscope and high-frequency equipment, and is used for clamping a tissue specimen in a digestive tract by utilizing high-frequency current, and the tissue specimen is rapid in a cutting process and has less bleeding

In the use process of the existing disposable thermal biopsy forceps, the fingers of one hand are inserted into the inner side of the handle A to take the thermal biopsy forceps, the other hand pulls the handle B backwards to enable the flat jaw type forceps head to be closed, so that a tissue specimen is taken down, the other hand needs to continuously pull the handle B backwards at the moment, other equipment cannot be synchronously operated, when the other hand does not pull the handle B any more, the flat jaw type forceps head loosens the clamping of the tissue specimen, and the problem that the clamped tissue specimen falls easily is caused.

Disclosure of Invention

The utility model aims to provide a disposable thermal biopsy forceps, which solves the problems that when the disposable thermal biopsy forceps is used, the handle B cannot be fixed in position after being pulled and pushed, and in the operation process, the handle B needs to be fixed by one hand, so that the operation is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a disposable heat biopsy forceps, includes the main part, sets up in the handle joint of main part tip, sets up in the sheath pipe of handle joint tip, sets up in the sheath pipe tip, sets up in the flat-head pliers head of sheath pipe tip, the main part comprises body of rod A, body of rod B's one end runs through body of rod A's inboard, body of rod B is provided with restriction subassembly with body of rod A's laminating department, restriction subassembly comprises spout, slider, the spout is seted up in body of rod A's inner wall, the slider is fixed in body of rod B's surface, slider and spout are the block state, the both sides junction of spout and slider is provided with fixed establishment, fixed establishment comprises spacing subassembly, symmetry setting's fixed subassembly, spacing subassembly sets up in spout, slider's block department side, symmetry setting the fixed subassembly sets up in spacing subassembly's inboard.

Preferably, the limiting component comprises a limiting block and a limiting sliding groove, the limiting sliding groove is formed in the inner wall of the sliding groove, the limiting block is fixed on the side face of the sliding block, and the limiting block and the limiting sliding groove are in a clamping state.

Preferably, the edge of the end part of the limiting block is in an arc-shaped structure, and the cross section of the limiting block is in a rectangular structure.

Preferably, the fixed subassembly that the symmetry set up all sets up in the inner wall both sides of spacing spout, fixed subassembly comprises silica gel fixing base, guide way, the silica gel fixing base is fixed in the inboard tip of spacing spout, the guide way is seted up in the tip inboard edge of silica gel fixing base.

Preferably, the cross section of the end part of the guide groove is of an inclined structure, and the cross section of the sliding block is of a rectangular structure.

Preferably, a guy cable is arranged on the inner side of the sheath tube, and the sheath tube is of a cylindrical structure.

Preferably, an electrode plug is arranged on the side face of the flat-mouth clamp head, handles A are fixed on two sides of the rod body A, and handles B are fixed on the other end of the rod body B.

Compared with the prior art, the utility model has the beneficial effects that:

through the fixed establishment of design, improve former disposable hot biopsy forceps through pulling and pushing handle B in the use, realize the expansion and the closed operation to flat-nose type binding clip, when flat-nose type binding clip gets the back to the tissue specimen pincers, disposable hot biopsy forceps breaks away from the in-process, need a handheld continuous pulling handle B that pulls, there is the inconvenient problem of operation, through setting up fixed establishment to the both sides of restriction subassembly, make handle B pulling and pushing accomplish the back, fix through fixed establishment, need not to operate handle B with the hand continuously, increase the operation convenience degree, satisfy to get the back to the tissue specimen pincers, disposable hot biopsy forceps breaks away from the in-process, can liberate one hand and operate other equipment, thereby facilitate the use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic front cross-sectional view of a restraint assembly of the present utility model;

FIG. 3 is a schematic end cross-sectional view of a restraint assembly of the present utility model;

FIG. 4 is a schematic view of a pointed-type binding clip according to the present utility model;

FIG. 5 is a schematic view of the crocodile head according to the present utility model;

FIG. 6 is a schematic view of the V-shaped clamp head of the present utility model;

FIG. 7 is a schematic view of the crocodile tooth-shaped binding clip according to the present utility model;

in the figure: 1. a main body; 11. a rod body A; 111. a handle A; 112. a handle B; 12. a rod body B; 120. a restriction assembly; 1201. a chute; 1201A, a silicone fixing base; 1201B, guide grooves; 1202. a slide block; 1202A, stopper; 1202B, limit sliding grooves; 2. a handle joint; 3. a sheath tube; 4. a sheath; 41. a guy cable; 5. a flat jaw; 6. an electrode plug; 7. a pointed-end type clamp head; 8. crocodile mouth-shaped clamp head; 9. v-shaped clamp head; 10. crocodile tooth type clamp head.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 3, the present utility model provides a technical solution: the disposable thermal biopsy forceps comprise a main body 1, a handle joint 2 arranged at the end part of the main body 1, a sheath tube 3 arranged at the end part of the handle joint 2, a sheath tube 4 arranged at the end part of the sheath tube 3, a flat jaw type forceps head 5 arranged at the end part of the sheath tube 4, wherein the disposable thermal biopsy forceps are provided in a sterile state, and are sterilized by ethylene oxide, the disposable thermal biopsy forceps comprise a rod body A11 and a rod body B12, one end of the rod body B12 penetrates through the inner side of the rod body A11, a limiting assembly 120 is arranged at the joint part of the rod body B12 and the rod body A11, the limiting assembly 120 comprises a sliding groove 1201 and a sliding block 1202, the rotating angle of the cylindrical rod body B12 at the inner side of the rod body A11 is limited, the sliding groove 1201 is formed in the inner wall of the rod body A11, the sliding block 1202 is fixed on the surface of the rod body B12, the sliding block 1202 is in a clamping state with the sliding groove 1201, a fixing mechanism is arranged at the joint part of the two sides of the sliding groove 1201 and the sliding block 1202, the fixing mechanism consists of a limiting component and a symmetrically arranged fixing component, the limiting component is arranged on the side surface of the clamping part of the sliding groove 1201 and the sliding block 1202, the symmetrically arranged fixing component is arranged on the inner side of the limiting component, the designed fixing mechanism is used for improving the unfolding and closing operation of the flat-mouth forceps head 5 by pulling and pushing the flat-mouth forceps head B112 in the using process, when the flat-mouth forceps head 5 is used for taking a tissue specimen, one hand is needed to be used for continuously pulling the handle B112 in the separating process of the disposable thermal biopsy forceps, the problem of inconvenient operation exists, the handle B112 is fixed through the fixing mechanism after the pulling and pushing of the handle B112 is completed by arranging the fixing mechanisms on the two sides of the limiting component 120, the operation of the handle B112 is not needed to be continuously carried out by hands, the operation convenience is increased, the condition that the thermal biopsy forceps for one use is separated from the specimen tissue forceps after the taking process is satisfied, one hand can be liberated to operate other equipment to facilitate the use, spacing subassembly comprises stopper 1202A, spacing spout 1202B opens the inner wall of spout 1201, stopper 1202A is fixed in the side of slider 1202, stopper 1202A is the block state with spacing spout 1202B, stopper 1202A's tip edge is circular-arc structure, stopper 1202A's transversal rectangle structure of personally submitting is provided with cable 41 in sheath 4, sheath pipe 3 is the cylinder structure, the side of flat-mouth formula binding clip 5 is provided with electrode plug 6, the both sides of body of rod A11 all are fixed with handle A111, the other end of body of rod B12 is fixed with handle B112.

In this embodiment, preferably, the fixing components that set up symmetrically are all set up in spacing spout 1202B's inner wall both sides, after handle B112 promotes or pulls, carry out the fixed position through fixing components, fixing components comprises silica gel fixing base 1201A, guide way 1201B, silica gel fixing base 1201A is fixed in spacing spout 1202B's inboard tip, guide way 1201B sets up in silica gel fixing base 1201A's tip inboard edge department, play the guide effect through the guide way 1201B of seting up, the cross-section of guide way 1201B's tip is the slope form structure, the cross-section of slider 1202 is the rectangle structure.

Examples

Referring to fig. 4, a pointed-type clip 7 is connected to the sheath 4 of fig. 1.

Examples

Referring to fig. 5, alligator clip 8 is attached to sheath 4 of fig. 1.

Examples

Referring to fig. 6, V-shaped clip 9 is connected to sheath 4 of fig. 1.

Examples

Referring to fig. 7, an alligator clip 10 is attached to the sheath 4 of fig. 1.

The working principle and the using flow of the utility model are as follows: in the use process of the disposable thermal biopsy forceps, under the monitoring of an external endoscope, an external high-frequency power supply is connected to enter through a forceps channel hole of the external endoscope, after accurate positioning, a handle B112 is pushed forward to open a flat jaw 5, the tissue to be sampled is tightly closed, the handle B112 is pulled backwards to close the flat jaw 5, then the external high-frequency power supply is started, an external foot switch is electrified, electric coagulation is performed before electric cutting is performed, and the intermittent electrifying time is 1-2s each time and is generally not more than 4s until the sampling is completed; in the process that the handle B112 is subjected to external pulling force and pushing force, the rod body B12 slides on the inner side of the rod body A11, in the sliding process, the sliding block 1202 synchronously slides on the inner side of the sliding groove 1201, the rotation angle of the cylindrical rod body B12 on the inner side of the rod body A11 is limited, in the process that the sliding block 1202 slides on the inner side of the sliding groove 1201, the limiting block 1202A synchronously slides on the inner side of the limiting sliding groove 1202B, when the limiting block 1202A slides to the end part of the limiting sliding groove 1202B, the silica gel fixing seat 1201A is synchronously extruded, the limiting block 1202A is fixedly positioned on the inner side of the limiting sliding groove 1202B, so that the handle B112 is fixedly positioned, the handle B112 is not required to be continuously operated by hands after the pulling or pushing is finished, and the use is convenient.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a disposable heat biopsy forceps, includes main part (1), sets up in handle joint (2) of main part (1) tip, sets up in sheath pipe (3) of handle joint (2) tip, sets up in sheath pipe (4) of sheath pipe (3) tip, sets up in flat-nose pliers head (5) of sheath pipe (4) tip, its characterized in that: the body (1) is formed by body of rod A (11), body of rod B (12), the inboard of body of rod A (11) is run through to the one end of body of rod B (12), body of rod B (12) and body of rod A (11) laminating department is provided with restriction subassembly (120), restriction subassembly (120) are constituteed by spout (1201), slider (1202), spout (1201) are seted up in the inner wall of body of rod A (11), slider (1202) are fixed in the surface of body of rod B (12), slider (1202) are the block state with spout (1201), the both sides junction of spout (1201) and slider (1202) is provided with fixed establishment, fixed establishment comprises spacing subassembly, the fixed subassembly that the symmetry set up, spacing subassembly sets up in the block department side of spout (1201), slider (1202), the fixed subassembly that the symmetry set up sets up in the inboard of spacing subassembly.

2. The single use thermal biopsy forceps of claim 1, wherein: the limiting assembly consists of a limiting block (1202A) and a limiting chute (1202B), wherein the limiting chute (1202B) is arranged on the inner wall of the chute (1201), the limiting block (1202A) is fixed on the side face of the sliding block (1202), and the limiting block (1202A) and the limiting chute (1202B) are in a clamping state.

3. The single use thermal biopsy forceps of claim 2, wherein: the edge of the end part of the limiting block (1202A) is in an arc-shaped structure, and the cross section of the limiting block (1202A) is in a rectangular structure.

4. The single use thermal biopsy forceps of claim 2, wherein: the fixed subassembly that the symmetry set up all sets up in the inner wall both sides of spacing spout (1202B), fixed subassembly comprises silica gel fixing base (1201A), guide way (1201B), silica gel fixing base (1201A) are fixed in the inboard tip of spacing spout (1202B), guide way (1201B) are seted up in the tip inboard edge of silica gel fixing base (1201A).

5. The single use thermal biopsy forceps of claim 4, wherein: the cross section of the end part of the guide groove (1201B) is of an inclined structure, and the cross section of the sliding block (1202) is of a rectangular structure.

6. The single use thermal biopsy forceps of claim 1, wherein: the inner side of the sheath tube (4) is provided with a guy cable (41), and the sheath tube (3) is of a cylindrical structure.

7. The single use thermal biopsy forceps of claim 1, wherein: the side of flat-mouth type binding clip (5) is provided with electrode plug (6), handle A (111) are all fixed with to the both sides of body of rod A (11), the other end of body of rod B (12) is fixed with handle B (112).