CN209347094U - A kind of oral mucosas tissue's biopsy sample pickup tongs - Google Patents

Abstract

The utility model provides a kind of oral mucosas tissue's biopsy sample pickup tongs, the sample pickup tongs includes fixed handle, flexible handle, movable block, axis of traction, sample outer tube, and the small ring of pushing and fixed big ring of sample pickup tongs front end are set, fixed handle is hinged with flexible handle, movable block is movably arranged on above fixed handle and flexible handle hinge joint, the front end of movable block and the tail end of axis of traction connect, and the front end of axis of traction and the small ring direct or indirect connection of pushing, the axis of traction is arranged in hollow sampling outer tube, and the front end for sampling outer tube is connect with fixed big ring, the rear end of sampling outer tube is directly or indirectly connect with fixed handle.The utility model is simple to operate, and oral mucosas tissue can be cut off rapidly by stinging when cutting, and not will cause the side effects such as crush injury, and taken tissue is suitable for pathological diagnosis.

Description

A kind of oral mucosas tissue's biopsy sample pickup tongs

Technical field

The utility model belongs to medical instruments field, specifically provides a kind of oral mucosas tissue's biopsy sample pickup tongs.

Background technique

The method that the clinic of oral mucosas tissue's biopsy at present is often used include blade cutting, tissue clamps clamping, suture traction, Assistant, which cooperates, draws saliva and blood, and this method is suitable for superficial and deep tissue samples, use scope is wide.But oral cavity Maxillary region blood is abundant, and mouth area is relatively closed, and operating space is limited, and the sampling visual field is unintelligible, complicated for operation, speed is slower, Time-consuming is longer；And the operation is high to patient's technical requirements, is also easy to increase patient's fear.Therefore, there is a need in the field to provide one The new instrument of kind or new method solve the problems, such as this.

By the retrieval to the prior art, in this field and find no arbitrary form and structure oral mucosas tissue it is living Sample pickup tongs is examined to exist.

Utility model content

Therefore, the utility model provides a kind of oral mucosas tissue's biopsy sample pickup tongs, which is characterized in that the sample pickup tongs packet Include fixed handle, flexible handle, movable block, axis of traction, sampling outer tube and be arranged in sample pickup tongs front end the small ring of pushing and Fixed big ring, fixed handle is hinged with flexible handle, and movable block is movably arranged on fixed handle and flexible handle hinge joint Side, the front end of movable block and the tail end of axis of traction connect, and the front end of axis of traction and the small ring direct or indirect connection of pushing, institute It states axis of traction to be arranged in hollow sampling outer tube, and the front end for sampling outer tube is connect with fixed big ring, after sampling outer tube End is directly or indirectly connect with fixed handle.

It is described to push small ring (6) and be that upper end is small and the pyramidal structure of lower end greatly in a kind of specific embodiment, The radial dimension of the upper end inner wall (61), upper end outer wall (62) and lower end outer wall (63) is sequentially increased, the big ring of fixation (7) For the pyramidal structure or column structure that upper end is small and lower end is big, the radial dimension for fixing the upper inner wall (71) of big ring (7) is big Radial dimension in the lower end outer wall (63), the upper inner wall of the lower end outer wall (63) for pushing small ring and fixed big ring (71) notch of sample pickup tongs is formed between.

In a kind of specific embodiment, upper end inner wall (61), the upper end outer wall (62), lower end for pushing small ring The rounded structure of upper inner wall (71) of outer wall (63) and fixed big ring.

In a kind of specific embodiment, the upper end inner wall (61) is the half elliptic or half length on the side containing straight line Circular configuration, and straight line is arranged on the direction opposite with sample pickup tongs front end.

In a kind of specific embodiment, the left and right length of the notch is 6~20mm, the front and rear width of the notch For 2~5mm.It is preferred that the left and right length of the notch is 10~15mm.

In a kind of specific embodiment, the length L of the axis of traction (4) is 6cm or less.Because fixed handle (1), Flexible handle (2), movable block (3) push small ring (6) and the big ring (7) of fixation has certain length in itself, and oral cavity depth It is limited, thus the length of axis of traction (4) is typically designed more as small as possible, its preferred length is set as 6cm or less in this patent.

In a kind of specific embodiment, the flexible handle (2) is the bending staff design for referring to retaining ring without four.

In a kind of specific embodiment, the sample pickup tongs further includes reset spring group (8), and the reset spring group It (8) include setting in the first reed (81) on fixed handle (1) and the second reed (82) being arranged on flexible handle (2).

In a kind of specific embodiment, the sample pickup tongs further includes the thumb limit being arranged on fixed handle (1) Raised (9).

The utility model has the advantages that being similar to rongeur outside the oral mucosa biopsy forceps of this patent design, operation in mouth is conveniently protruded into.It takes The tip of sample takes Cerver biopsy tongs sample to design, and the cutting principle of sampling head is also identical as Cerver biopsy tongs.But it is preferred that sampling Tip design is allowed to more meet the requirement of oral cavity biopsy sampling sample at semiellipse pattern sample.The biopsy sample pickup tongs can be right Oral mucosa and superficial tissues fast sampling, easy to operate, low to Doctors' skill requirement, speed is fast, reduces operating time, simultaneously Compared to the fear that current blade biopsy more can be reduced patient.The utility model is simple to operate, and stinging can rapid cut-off port when cutting Transmucosal tissue, not will cause the side effects such as crush injury, and taken tissue is suitable for pathological diagnosis.

Detailed description of the invention

Fig. 1 is the schematic view of the front view of oral mucosas tissue's biopsy sample pickup tongs.

Fig. 2 is a kind of overlooking structure diagram of sample pickup tongs pushed when small ring is closed tangent with fixed big ring.

Fig. 3 is the sample pickup tongs another kind overlooking structure diagram pushed when small ring is closed tangent with fixed big ring.

Specific embodiment

The utility model is illustrated by following embodiment and attached drawing, but the protection scope of the utility model and is not only limited In this.

In the utility model, the minimum length and width of oral mucosas tissue to be removed are generally 6mm × 2mm, simultaneously Sampling thickness reaches submucosa, and the size of optimal biopsy is 15mm × 15mm × 2mm or so.

Embodiment 1

Fig. 1 and Fig. 2 provides a kind of oral mucosas tissue's biopsy sample pickup tongs, and the sample pickup tongs includes fixed handle, activity Handle, movable block, axis of traction, sampling outer tube and the small ring of pushing and fixed big ring that sample pickup tongs front end is set, it is fixed Handle is hinged with flexible handle, and movable block is movably arranged on above fixed handle and flexible handle hinge joint, the front end of movable block It is connect with the tail end of axis of traction, and the front end of axis of traction and the small ring direct or indirect connection of pushing, the axis of traction setting exist In hollow sampling outer tube, and the front end for sampling outer tube is connect with the big ring of fixation, sample the rear end of outer tube directly or indirectly with Fixed handle connection.In the utility model, before the flexible handle is towards drive movable block when fixed handle movement to sample pickup tongs End motion, then the effect through axis of traction drive before pushing small ring 6 and flutter and push, and its lower end outer wall 63 and fixed big ring 7 Upper inner wall 71 between annular incision for being formed oral cavity mucous membrane tissue is cut.

It is described to push small ring (6) and be that upper end is small and the pyramidal structure of lower end greatly, the upper end inner wall (61), upper end outer wall (62) it is sequentially increased with the radial dimension of lower end outer wall (63), the big ring of fixation (7) is column structure, fixed big ring (7) radial dimension of upper inner wall (71) be slightly larger than the lower end outer wall (63) radial dimension, the lower end outer wall (63) with The notch of sample pickup tongs is formed between upper inner wall (71).Upper end inner wall (61), the upper end outer wall (62), lower end for pushing small ring The rounded structure of upper inner wall (71) of outer wall (63) and fixed big ring.When fixed big ring (7) is column structure, appearance Face is cylindrical structure, and inside point is also cylindrical structure.

In the utility model, when will push the pyramidal structure that small ring is set as that upper end is small and lower end is big, be conducive to cut Under tissue stay in biopsy sample pickup tongs as sample pickup tongs is taken out from oral cavity together.

Specifically, the circular diameter of incision is designed as 8mm, i.e., the described lower end outer wall (63) and the diameter of upper inner wall (71) are equal For 8mm or so, but the diameter of upper inner wall (71) is slightly larger than the diameter of lower end outer wall (63), allows and pushes small ring and pushing After be set in fixed big ring.The diameter of the upper end inner wall (61) is set as 3~6mm.So that the sample pickup tongs takes out oral cavity After mucous membrane tissue, biopsy specimen folding is deposited in the annular distance within upper end inner wall (61).Incision circle is straight in embodiment 1 When diameter is 8mm, corresponding maximum can take out the sample that lower-upper length is 16mm or so and left and right width is 8mm or so.And sample Tissue thickness then mainly by sampling when firmly size determine that the hand of operator holds sample pickup tongs and squeezes oral cavity wall forward when sampling When more exert oneself, that is, sample deeper, i.e., tissue thickness is thicker.Certainly, it pushes small ring (6) and fixes the high up and down of big ring (7) Degree is also accordingly designed according to the thickness of tissue to be taken.In the utility model embodiment 1, with extrusion mouth when sampling biopsy tissue The firmly maximum of cavity wall, then the tissue thickness taken is deeper, then the tissue the removed figure tangent in two circles.It exerts oneself when taking tissue Minimum, then the tissue thickness taken is shallower, then the tissue surface removed is in approximate ellipsoidal.

In the utility model, the length L of axis of traction (4) is designed as 10cm hereinafter, especially preferably 3~8cm.In this way, can So that the sample pickup tongs is particularly suitable for sampling oral cavity.The length of axis of traction is generally in the sampling arm of existing cervical clamps 15cm or so.

In a kind of specific embodiment, the flexible handle (2) is the bending staff design for referring to retaining ring without four.This is practical The operating principle of oral mucosas tissue's biopsy sample pickup tongs of novel offer is consistent with cervical clamps, but handle is preferably arranged to and stings Bone forceps is similar.So that the shape of whole oral cavity mucous membrane tissue biopsy forceps is substantially identical as rongeur.

In a kind of specific embodiment, the sample pickup tongs further includes reset spring group (8), and the reset spring group It (8) include setting in the first reed (81) on fixed handle (1) and the second reed (82) being arranged on flexible handle (2).

In a kind of specific embodiment, the sample pickup tongs further includes the thumb limit being arranged on fixed handle (1) Raised (9).

The big ring structure of small ring and radial direction outer of the sampling head of the utility model sample pickup tongs including radial direction is small The outer surface of ring is up-small and down-big truncated cone-shaped structure, and the inside of small ring divides also up-small and down-big truncated cone-shaped knot Structure.It is all cylindrical structure that big ring structure, which can be Ring-cylindrical structure namely its outer surface and inside point, and big ring can also To be truncated cone-shaped structure, i.e., the outer surface of big ring and inside point are also all up-small and down-big truncated cone-shaped structures.Certainly, because small The presence of ring and its connecting shaft, so that the structure of big ring can not be complete truncated cone-shaped structure, it necessarily include opening So that the connecting shaft that small ring is connected with axis of traction not will receive interference.

Embodiment 2

Fig. 1 and Fig. 3 provides a kind of oral mucosas tissue's biopsy sample pickup tongs.The sampling head design and implementation of the sample pickup tongs Example 1 is different, and other structures can be same or similar.

Specifically, half elliptic structure of the upper end inner wall (61) of the sampling head in Fig. 3 for the side containing straight line, and straight line While being arranged on the direction opposite with sample pickup tongs front end.The left and right length (direction i.e. where straight line) of the notch is 15mm, the front and rear width (upper and lower width) of the notch are 4mm.The left and right length for the oral mucosas tissue accordingly cut is 15mm, and front and rear width is 8mm or so, the tissue thickness cut accordingly is then mainly determined by the depth that sampling person exerts oneself to be pressed into It is fixed.

When sampling head in embodiment 1 is truncated cone-shaped hollow structure, the oral cavity mucous membrane tissue upper and lower side of taking-up is most thin, intermediate Most thick, the length of upper and lower side is big, reaches 16mm or so, thus the monolith tissue thickness difference taken out is big.It and is left in embodiment 2 The big half elliptic frustum structure of right end length, width only 8mm or so of the oral cavity mucous membrane tissue upper and lower side of removal, thus i.e. Keep oral cavity mucous membrane tissue upper and lower side most thin, it is intermediate most thick, but because the distance of upper and lower side is short, thus generally thickness is poor for the tissue It is not small.In addition, compared with Example 1, biopsy sample acquired in sampling head is integrally wedge shaped in embodiment 2, the surface of a wound is in Shuttle shape is conducive to the suture of tissue.Therefore, more have in the utility model and sample header structure shown in preferably embodiment 2.

The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize The specific implementation for determining the utility model is only limited to these instructions.For the ordinary skill people of the utility model technical field For member, without departing from the concept of the premise utility, several simple deductions and replacement can also be made, all should be considered as Belong to the protection scope of the utility model.

Claims (6)

1. a kind of oral mucosas tissue's biopsy sample pickup tongs, which is characterized in that the sample pickup tongs includes fixed handle (1), movable hand Handle (2), axis of traction (4), samples outer tube (5) and the small ring of pushing (6) of sample pickup tongs front end is arranged in and consolidates movable block (3) Fixed big ring (7), hingedly, movable block (3) is movably arranged on fixed handle (1) and activity for fixed handle (1) and flexible handle (2) Above handle (2) hinge joint, the front end of movable block (3) is connect with the tail end of axis of traction (4), and the front end of axis of traction (4) is under Small ring (6) direct or indirect connection is pressed, the axis of traction (4) is arranged in hollow sampling outer tube (5), and samples outer tube (5) front end is connect with fixed big ring (7), and the rear end of sampling outer tube (5) is directly or indirectly connect with fixed handle (1)；Institute It states and pushes small ring (6) and be that upper end is small and the pyramidal structure of lower end greatly, the upper end inner wall (61), upper end outer wall (62) and lower end The radial dimension of outer wall (63) is sequentially increased, and the big ring of fixation (7) is the pyramidal structure or column that upper end is small and lower end is big The radial dimension of shape structure, the upper inner wall (71) of fixed big ring (7) is greater than the radial dimension of the lower end outer wall (63), described The notch of sample pickup tongs is formed between lower end outer wall (63) and upper inner wall (71)；The upper end inner wall (61) is the side containing straight line Half elliptic or half oblong structure, and straight line is arranged on the direction opposite with sample pickup tongs front end；The axis of traction (4) Length L be 6cm or less.

2. oral mucosas tissue's biopsy sample pickup tongs according to claim 1, which is characterized in that the left and right length of the notch For 6~20mm, the front and rear width of the notch is 2~5mm.

3. oral mucosas tissue's biopsy sample pickup tongs according to claim 2, which is characterized in that the left and right length of the notch For 10~15mm.

4. oral mucosas tissue's biopsy sample pickup tongs according to claim 1, which is characterized in that the flexible handle (2) is The bending staff design for referring to retaining ring without four.

5. oral mucosas tissue's biopsy sample pickup tongs according to claim 1, which is characterized in that the sample pickup tongs further includes multiple Position groups of springs (8), and the reset spring group (8) includes that the first reed (81) being arranged on fixed handle (1) and setting exist The second reed (82) on flexible handle (2).

6. oral mucosas tissue's biopsy sample pickup tongs according to claim 1, which is characterized in that the sample pickup tongs further includes setting Set the thumb retention bead (9) on fixed handle (1).