CN217186223U

CN217186223U - Bone tumor puncture biopsy sampling device

Info

Publication number: CN217186223U
Application number: CN202220168830.5U
Authority: CN
Inventors: 柳维
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-08-16
Anticipated expiration: 2032-01-21

Abstract

Bone tumour aspiration biopsy sampling device, including sleeve (1), and be located sleeve (1) and drill bit (2) and sampling tube (3) that use with sleeve (1) cooperation respectively, the length of drill bit (2) and sampling tube (3) all is greater than the length of sleeve (1), the rear end of sleeve (1) is equipped with sleeve handle (4), the rear end of drill bit (2) is equipped with locking handle (5) of using with sleeve handle (4) cooperation, the rear end of sampling tube (3) is equipped with sample handle (6), the front end of sampling tube (3) is equipped with elasticity sample clamping jaw (7). The utility model has the advantages that: simple structure, convenient operation through elasticity sample clamping jaw can be fast and stable take out pathological change tissue from the bone in, be difficult for taking place to drop, effectively guarantee sample quantity and success rate.

Description

Bone tumor puncture biopsy sampling device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to bone tumor puncture biopsy sampling device.

Background

At present, bone tumor is tumor which is generated in bone or originated from various bone tissue components, bone tumor tissue needs to be biopsied before pathology is analyzed, commonly used biopsy modes are mainly divided into puncture biopsy and incision biopsy, incision biopsy wound is large, postoperative healing is slow, therefore, most of the existing biopsy modes adopt puncture biopsy, most of the existing puncture biopsy devices open holes in bone through a drill bit, and the lesion tissue is taken out by stretching a biopsy needle into the bone, because the puncture wound is small, the biopsy needle is easy to cause sample shedding or the quantity of the sampled lesion tissue is small when being taken out, the detection is not favorable for accuracy, secondary sampling is needed if the sample shedding, and operation time and workload are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bone tumor puncture biopsy sampling device aiming at the defects.

The utility model comprises a sleeve, a drill bit and a sampling tube which are arranged in the sleeve and are respectively matched with the sleeve, wherein the lengths of the drill bit and the sampling tube are both longer than the length of the sleeve,

the telescopic rear end is equipped with the sleeve handle, and the rear end of drill bit is equipped with the locking handle who uses with the sleeve handle cooperation, and the rear end of sampling tube is equipped with the sample handle, and the front end of sampling tube is equipped with elasticity sample clamping jaw.

The pipe walls of the sleeve and the sampling pipe are provided with scale marks.

The front end of the sleeve is provided with a circle of sawteeth, and the locking handle is connected and locked with the sleeve handle through threads.

The pipe wall close to the front end of the sleeve is provided with self-tapping threads.

The elastic sampling clamping jaw consists of a plurality of claw pieces, each claw piece is annularly arrayed at the front end of the sampling tube and combined into a horn shape with a large front end diameter and a small rear end diameter, and the front ends of the claw pieces are provided with inward bent hook heads.

A group of burrs are arranged on the inner sides of the claw pieces.

The elastic sampling clamping jaw and the sampling tube are integrally formed.

The diameter of the opening part at the front end of the elastic sampling clamping jaw is larger than the inner diameter of the sleeve, and the end part of the sleeve handle is provided with a conical guide hole for the elastic sampling clamping jaw to extend into.

The thickness of the hook head is smaller than that of the claw piece.

A handle is rotatably arranged on the sleeve close to the handle end of the sleeve.

The utility model has the advantages that: simple structure, convenient operation through elasticity sample clamping jaw can be fast and stable take out pathological change tissue from the bone in, be difficult for taking place to drop, effectively guarantee sample quantity and success rate.

Description of the drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the sleeve and the drill bit.

Fig. 3 is a schematic view of the fitting structure of the sleeve and the sampling tube.

Fig. 4 is a partially enlarged schematic view of fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the present invention is used to usually place, it is only for convenience of describing the present invention and simplifying the description, but it is not necessary to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in the attached drawings, the utility model comprises a sleeve 1, a drill bit 2 and a sampling tube 3 which are positioned in the sleeve 1 and are respectively matched with the sleeve 1, the lengths of the drill bit 2 and the sampling tube 3 are both larger than the length of the sleeve 1,

the rear end of sleeve 1 is equipped with sleeve handle 4, and the rear end of drill bit 2 is equipped with the locking handle 5 of using with sleeve handle 4 cooperation, and the rear end of sampling tube 3 is equipped with sample handle 6, and the front end of sampling tube 3 is equipped with elasticity sample clamping jaw 7.

The tube walls of the sleeve 1 and the sampling tube 3 are provided with scale marks 8 for observing the insertion depth in the operation process.

The front end of sleeve 1 is equipped with round sawtooth 9, and when trompil on the bone, sawtooth 9 be convenient for sleeve 1 smooth enter into the bone in, through threaded connection locking between locking handle 5 and the

sleeve handle

4, 5 bottoms of locking handle are equipped with the locking groove of using with 4 cooperations of sleeve handle, after locking

handle

5 and 4 threaded connection of sleeve handle, carry on spacingly through the locking groove, be convenient for both to rotate together.

Be equipped with self tapping screw 10 on the pipe wall that is close to sleeve 1 front end, behind the bone trompil, sleeve 1 front end is located the downthehole of bone, and self tapping screw 10 section is located outside the bone this moment, stretches into behind the pathological change tissue in the bone when elasticity sample clamping jaw 7, rotates sleeve 1 and makes it remove one section distance in to the bone, makes the closed sample of elasticity sample clamping jaw 7, and self tapping screw 10 helps sleeve 1 to remove in the bone this moment.

Elastic sampling clamping jaw 7 comprises a plurality of

claw pieces

11, 11 annular arrays of each claw piece are at 3 front ends of sampling tube, and the combination is the loudspeaker form that the big rear end diameter of front end diameter is little, claw piece 11's front end all is equipped with eave tile 12 of inside buckling, eave tile 12 is the sheetmetal that the wall thickness is thinner, elastic sampling clamping jaw 7 is stretching into the in-process of pathological change tissue, eave tile 12 receives reverse thrust can buckling backward, elastic sampling clamping jaw 7 front end opening is opened completely, when elastic sampling clamping jaw 7 stretches into pathological change tissue after outwards take out again, eave tile 12 catches on pathological change tissue and resets under reverse pulling force effect, open elastic sampling clamping jaw 7 front end, prevent that the sample tissue from droing.

A group of burrs 16 are arranged on the inner side of the claw piece 11, and when the elastic sampling clamping jaw 7 is pulled out outwards, the falling of sampling tissues is effectively avoided.

The elastic sampling clamping jaw 7 and the sampling tube 3 are integrally formed, the sampling tube 3 is made of rigid material, and the elastic sampling clamping jaw 7 is cut and bent on the sampling tube 3.

Elasticity sample clamping jaw 7 front end opening diameter is greater than sleeve 1's internal diameter, when elasticity sample clamping jaw 7 is located sleeve 1, receives extrusion elasticity sample clamping jaw 7 front end and is the closure form, when stretching out sleeve 1 outer, elasticity sample clamping jaw 7 expandes by oneself under the tension effect of self.

The tip of sleeve handle 4 is equipped with the toper guiding hole that is used for elasticity sample clamping jaw 7 to stretch into, and the opening diameter of the great diameter end of toper guiding hole is greater than the diameter of elasticity sample clamping jaw 7 open end, and the elasticity sample clamping jaw 7 of being convenient for is installed in sleeve 1 fast.

The thickness of eave tile 12 is less than the thickness of claw piece 11, and the intensity of eave tile 12 is less than claw piece 11, can buckle fast and warp under the resistance that receives pathological change tissue in the sample process, makes pathological change tissue smooth enter into in the elasticity sample clamping jaw 7.

A handle 15 can be rotatably arranged on the sleeve 1 near the sleeve handle 4 end, so that the stability of the sleeve 1 can be conveniently controlled when drilling holes in bones.

The working mode and principle are as follows: firstly, a drill bit 2 is arranged in a sleeve 1 and fixed together, the cutter head part of the drill bit 2 extends out of the front end of the sleeve 1 after the drill bit 2 and the sleeve 1 are fixed, the cutter head part of the drill bit 2 opens a hole in a bone, the front end of the sleeve 1 extends into the hole in the bone after the hole is opened, then the drill bit 2 is taken out, the sampling tube 3 is inserted into the sleeve 1, when the elastic sampling clamping jaw 7 is positioned in the sleeve 1, the front end of the elastic sampling clamping jaw 7 is in a closed state, when the elastic sampling clamping jaw 7 extends out from the front end of the sleeve 1, the elastic sampling clamping jaw 7 can be unfolded under the self tension to be inserted into the pathological tissue, then the sleeve 1 is pushed forwards, the elastic sampling clamping jaw 7 is tightened when the sleeve 1 moves forwards, the pathological tissue can be grasped and taken into the sampling tube 3, then the sampling tube 3 is drawn out, and the sampling tissue can be taken out from the elastic sampling clamping jaw 7 for examination.

Claims

1. The bone tumor puncture biopsy sampling device is characterized by comprising a sleeve (1), a drill bit (2) and a sampling tube (3) which are positioned in the sleeve (1) and respectively matched with the sleeve (1), wherein the lengths of the drill bit (2) and the sampling tube (3) are both greater than the length of the sleeve (1),

the rear end of sleeve (1) is equipped with sleeve handle (4), and the rear end of drill bit (2) is equipped with locking handle (5) of using with sleeve handle (4) cooperation, and the rear end of sampling tube (3) is equipped with sample handle (6), and the front end of sampling tube (3) is equipped with elasticity sample clamping jaw (7).

2. Bone tumour aspiration biopsy sampling device according to claim 1, characterized in that the sleeve (1) and the sampling tube (3) are provided with graduated markings (8) on their walls.

3. The bone tumor aspiration biopsy sampling device of claim 1, wherein the front end of the sleeve (1) is provided with a circle of saw teeth (9), and the locking handle (5) is locked with the sleeve handle (4) through threaded connection.

4. Bone tumour biopsy sampling device according to claim 3, characterized in that the wall of the tube near the front end of the sleeve (1) is provided with self-tapping threads (10).

5. The bone tumor aspiration biopsy sampling device according to claim 1, wherein the elastic sampling clamping jaw (7) is composed of a plurality of claw pieces (11), each claw piece (11) is annularly arrayed at the front end of the sampling tube (3) and combined to form a horn shape with a larger front end diameter and a smaller rear end diameter, and the front ends of the claw pieces (11) are provided with inward bent hook heads (12).

6. Bone tumour biopsy sampling device according to claim 5, characterized in that the claw piece (11) is provided with a set of burrs (16) on its inside.

7. Bone tumour aspiration biopsy sampling device according to claim 1 or 5, characterized in that the elastic sampling jaw (7) is integrally formed with the sampling tube (3).

8. Bone tumour aspiration biopsy sampling device according to claim 5, characterized in that the diameter of the opening at the front end of the elastic sampling jaw (7) is larger than the inner diameter of the sleeve (1), and the end of the sleeve handle (4) is provided with a conical guide hole for the elastic sampling jaw (7) to extend into.

9. Bone tumour biopsy sampling device according to claim 5, characterized in that the thickness of the hook head (12) is smaller than the thickness of the claw piece (11).

10. Bone tumour biopsy sampling device according to claim 1, characterized in that a handle (15) is rotatably arranged on the sleeve (1) near the end of the sleeve grip (4).