CN218279689U

CN218279689U - Bone tissue aspiration biopsy sampling needle core and bone tissue aspiration biopsy needle

Info

Publication number: CN218279689U
Application number: CN202123130079.4U
Authority: CN
Inventors: 张昊任; 陈向前; 陈小刚
Original assignee: Truehealth Beijing Medical Technology Co Ltd
Current assignee: Truehealth Beijing Medical Technology Co Ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2023-01-13
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to the technical field of medical equipment, a bone tissue aspiration biopsy needle core and bone tissue aspiration biopsy needle of drawing materials is disclosed, bone tissue aspiration biopsy needle core of drawing materials is including setting up nook closing member tail end (1) at needle body both ends respectively and creeping into sample end (2), creep into sample end (2) and include cutting edge (201) along its axial spiral setting, the shaping has sample recess (202) between the spiral parallel surface of cutting edge (201). The utility model provides a because the current bone tissue aspiration biopsy core of drawing materials difficulty of drawing materials leads to the painful obvious technical problem of patient.

Description

Bone tissue aspiration biopsy sampling needle core and bone tissue aspiration biopsy needle

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to a bone tissue aspiration biopsy core of drawing materials and bone tissue aspiration biopsy needle.

Background

At present, a few bone tissue biopsy needles are used, most of the bone tissue biopsy needles adopt a puncture device for puncturing, then independently drill bone tissue, and draw materials for the drilled bone tissue. Because piercing depth with carry out the subassembly that creeps into to bone tissue is other medical instrument mostly and moves to bone tissue puncture operation, have the condition that the thickness is not taken between each instrument of puncture easily, and at bone tissue drilling in-process, can't carry out simultaneously drawing of materials of bone tissue, cause the activity duration long, the patient discomfort feels obvious the increase, leads to the bone tissue to draw materials difficulty, the painful obvious problem of patient to appear.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a bone tissue aspiration biopsy draws materials nook closing member and bone tissue aspiration biopsy needle to because the current bone tissue aspiration biopsy draws materials the nook closing member difficulty of drawing materials among the solution correlation technique, lead to the painful obvious technical problem of patient.

In order to achieve the above objects, in a first aspect, the present invention provides a needle core for bone tissue aspiration biopsy.

According to the utility model discloses a bone tissue puncture biopsy needle core of drawing materials is including setting up the needle core tail end at the needle body both ends respectively and creep into the sample site, it includes the cutting edge along its axial spiral setting to creep into the sample site, the shaping has the sample recess between the spiral parallel surface of cutting edge.

The utility model provides a bone tissue aspiration biopsy needle core of drawing materials, through setting up the sample end of creeping into with needle core trailing end connection, axial spiral setting at the cutting edge that creeps into the sample end, and form sample recess between the spiral parallel surface of cutting edge, thereby make bone tissue aspiration biopsy needle core of drawing materials control the sample end through needle core trailing end and creep into when creeping into, the bone tissue that will creep into in-process production is accomodate through sample recess, the bone tissue that has avoided creeping into and lead to leads to patient's uncomfortable sense obviously increasing to the tissue dispersion on every side, and simultaneously, it draws materials to bone tissue to creep into the in-process, effectual operating time of saving. Further solves the technical problem that the pain of the patient is obvious due to the difficulty in taking the materials of the prior bone tissue aspiration biopsy taking needle core.

Preferably, the cutting edge is inclined to the sampling groove on the side of the tip remote from the drilling sampling end.

Preferably, the blade is a single-sided blade with a blade edge inclined toward the sampling groove.

Preferably, the drilling sampling end comprises a plurality of blades, and the blades are arranged in parallel.

Preferably, the blade edges of adjacent blades are obliquely arranged at the notch of the sampling groove.

Preferably, the upper end face of the tail end of the stylet is provided with a hammering face, and the circumferential area of the hammering face is not smaller than the circumferential area of the end of the stylet, which is used for connecting the drilling sampling end.

In a second aspect, the present invention further provides a bone tissue biopsy needle.

The bone tissue aspiration biopsy needle comprises a bone tissue aspiration biopsy material taking needle core and a coaxial sleeve, wherein the coaxial sleeve is sleeved on the bone tissue aspiration biopsy material taking needle core, and the bone tissue aspiration biopsy material taking needle core is any one of the bone tissue aspiration biopsy material taking needle cores.

Preferably, the bone tissue biopsy needle further comprises a puncture needle core and an auxiliary hammer.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and further features, objects, and advantages of the invention will become apparent. The drawings of the illustrative embodiments and their description are provided to explain the present invention and do not constitute an undue limitation on the invention. In the drawings:

FIG. 1 is a schematic structural view of a needle core for bone tissue aspiration biopsy sampling according to the present invention;

fig. 2 is a schematic view of the structure of fig. 1 in actual use.

Reference numerals

1. The tail end of the stylet; 102. hammering the surface; 2. drilling a sampling end; 201. a blade; 202. a sampling groove; 3. a coaxial sleeve.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

It is noted that the terms "comprises" and "comprising," as well as any variations thereof, are intended to cover non-exclusive inclusions. In the present invention, the terms "upper", "lower", "front", "rear", "axial", "circumferential", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 2, the utility model provides a bone tissue aspiration biopsy core of drawing materials, this bone tissue aspiration biopsy core of drawing materials include that the setting is at the core needle tail end 1 at needle body both ends respectively and creeps into sample terminal 2, creeps into sample terminal 2 and includes along its axial spiral setting's cutting edge 201, and the shaping has sample recess 202 between the spiral parallel surface of this cutting edge 201. The core tail end 1 can be used for holding a core for bone tissue aspiration biopsy taking, or fixing and connecting to other medical equipment.

The utility model provides a bone tissue puncture biopsy needle core of drawing materials, through setting up the end of sampling that creeps into with needle core trailing end connection, axial spiral setting at the cutting edge of creeping into the end of sampling, and form the sample recess between the spiral parallel surface of cutting edge, thereby make bone tissue puncture biopsy needle core of drawing materials control the time of creeping into through needle core tail end to creeping into the end of sampling, the bone tissue that will creep into the in-process production is accomodate through the sample recess, the bone tissue that has avoided creeping into and lead to disperses and lead to patient's uncomfortable sense obviously to increase problem to the surrounding tissue, and simultaneously, it draws materials to bone tissue to creep into the in-process, effectual operating time of saving. Further solves the technical problem that the pain of the patient is obvious due to the difficulty in taking the materials of the prior bone tissue aspiration biopsy taking needle core.

In an alternative embodiment of the present invention, the blade 201 is inclined toward the sampling groove 202 on the side of the tip away from the drilling sampling end 2. That is, the blade 201 is inclined to the side away from the drilling direction, so as to facilitate enclosing the bone tissue entering the sampling recess 202 and prevent the bone tissue from overflowing along the puncture hole of the biopsy needle. Meanwhile, the arrangement of the direction of the cutting edge 201 can effectively control the drilling range of the bone tissue, and avoid drilling and sampling to cause overlarge and unnecessary wounds to the bone tissue, thereby reducing the uncomfortable feeling of a patient in the bone tissue puncturing and sampling process and facilitating subsequent recovery.

In the utility model discloses in further optional embodiment, cutting edge 201 is the unilateral cutting edge of blade edge to the slope of sample recess 202, and the setting of unilateral cutting edge can avoid being located sample recess 202 and slide along the cutting edge and spill out from sample recess 202, and then influence the problem of sample effect. In the utility model discloses an in other embodiments, considering the ageing nature, cutting edge 201 can be two side blade settings, and specific cutting edge 201 is to the slope degree of sample recess 202 and the length that cutting edge 201 extends to the outside, can be specific select and set up according to actual operation demand.

The utility model discloses optional embodiment, it includes a plurality of cutting edges 201 to creep into sample end 2, a plurality of cutting edges 201 parallel arrangement to form many sample recesses 202, be convenient for draw materials to bone tissue simultaneously. The number of blades 201 and the number of corresponding sampling grooves 202 formed and the width and depth of the notches of the sampling grooves 202 can be selected and set according to the specific operation requirements. In a further optional embodiment of the present invention, the blade tips of adjacent blades 201 are tilted toward each other and disposed at the notch of the sampling groove 202, so as to further enclose the sampling groove 202 and close the setting, thereby ensuring effective sampling.

The stylet tail end 1 and the drilling sampling end 2 are separately arranged, and the drilling sampling end 2 can be replaced according to different bone tissue sampling requirements. In other embodiments of the present invention, the drilling sampling end 2 and the stylet tail end 1 are integrally configured.

In the optional embodiment of the present invention, the end face of the stylet tail end 1 is provided with the hammering face 102, and the circumferential area of the hammering face 102 is not smaller than the circumferential area of the end of the stylet tail end 1 for connecting the drilling sampling end 2. So that in the process of puncturing the bone tissue by the needle core for sampling in the bone tissue puncture biopsy, the bone tissue puncture needle is hammered by the auxiliary hammer to perform preliminary puncture.

The utility model provides a bone tissue aspiration biopsy needle, this bone tissue aspiration biopsy needle include that bone tissue aspiration biopsy draws materials the needle core and the cover establishes the coaxial sleeve pipe 3 on the needle core is drawn materials in bone tissue aspiration biopsy, wherein, bone tissue aspiration biopsy draws materials the needle core and is above-mentioned any kind bone tissue aspiration biopsy draws materials the needle core.

In an optional embodiment of the present invention, the biopsy needle for bone tissue aspiration further comprises a core needle and an auxiliary hammer, during the specific operation process. When the puncture end of the coaxial sleeve 3 is a multi-tip coaxial sleeve with a plurality of tips, the peripheral tissue of the bone tissue is punctured by the coaxial sleeve 3 and the puncture needle core, when the puncture end reaches a preset bone tissue site, the bone tissue is punctured by the multi-tip coaxial sleeve, then the puncture needle core is replaced by a bone tissue puncture sampling biopsy needle core, the tail end 1 of the needle core is used for driving the drilling sampling end 2 to sample the bone tissue, and after the bone tissue enters the sampling groove 202, the bone tissue puncture biopsy sampling needle core is taken out to perform subsequent operation on the sampling of the bone tissue. When the puncture end of the coaxial sleeve 3 is a straight flat head type coaxial sleeve, the peripheral tissue of the bone tissue is punctured by the coaxial sleeve 3 and the puncture needle core, when the puncture end reaches a preset bone tissue site, the puncture needle core is replaced by a bone tissue puncture biopsy sampling needle core, the hammering face 102 of the bone tissue puncture biopsy sampling needle core is hammered by the auxiliary hammer, so that the drilling sampling end 2 of the bone tissue puncture biopsy sampling needle core enters the bone tissue to take materials, after the bone tissue enters the sampling groove 202, the bone tissue puncture biopsy sampling needle core is taken out, and the subsequent operation is carried out on the sampling of the bone tissue. In an alternative embodiment of the invention, the inner diameter of the coaxial sleeve is preferably around 2mm, and the length is 10cm-15cm, preferably 10cm and 15cm.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bone tissue aspiration biopsy draws materials nook closing member, its characterized in that, bone tissue aspiration biopsy draws materials nook closing member is including setting up nook closing member tail end (1) and the sample end (2) of creeping into respectively at the needle body both ends, creep into sample end (2) and include along cutting edge (201) of its axial spiral setting, the shaping has sample recess (202) between the spiral parallel surface of cutting edge (201).

2. The core for taking samples in biopsy of bone tissue as stated in claim 1, characterized in that said blade (201) is inclined to the sampling groove (202) on the side of the tip far away from said drilling sampling end (2).

3. The needle core for taking materials in bone tissue aspiration biopsy as claimed in claim 2, wherein the blade (201) is a single-sided blade with a blade edge inclined towards the sampling groove (202).

4. The core for taking materials for bone tissue aspiration biopsy according to claim 1, characterized in that the drilling and sampling end (2) comprises a plurality of blades (201), and a plurality of blades (201) are arranged in parallel.

5. The needle core for bone tissue aspiration biopsy sampling according to claim 4, characterized in that the blade points of the adjacent blades (201) are arranged obliquely to each other at the notch of the sampling recess (202).

6. The core needle for taking materials in bone tissue aspiration biopsy as claimed in claim 1, characterized in that the upper end face of the core needle tail end (1) is provided with a hammering face (102), and the circumferential area of the hammering face (102) is not less than the circumferential area of the end of the core needle tail end (1) for connecting the drilling sampling end (2).

7. A bone tissue aspiration biopsy needle, characterized in that, comprises a bone tissue aspiration biopsy material-taking needle core and a coaxial sleeve (3) sleeved on the bone tissue aspiration biopsy material-taking needle core, wherein, the bone tissue aspiration biopsy material-taking needle core is the bone tissue aspiration biopsy material-taking needle core of any one of claims 1 to 6.

8. The needle biopsy needle for bone tissue aspiration according to claim 7, further comprising a core needle and an auxiliary hammer.