CN202446211U - Novel bone puncture needle - Google Patents
Novel bone puncture needle Download PDFInfo
- Publication number
- CN202446211U CN202446211U CN2012200244731U CN201220024473U CN202446211U CN 202446211 U CN202446211 U CN 202446211U CN 2012200244731 U CN2012200244731 U CN 2012200244731U CN 201220024473 U CN201220024473 U CN 201220024473U CN 202446211 U CN202446211 U CN 202446211U
- Authority
- CN
- China
- Prior art keywords
- needle bar
- handle
- probe
- bone marrow
- hollow needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A novel bone puncture needle comprises a hollow needle bar. A probe penetrates through the hollow needle bar to extend out of a through hole of the hollow needle bar, a forward thread is arranged on the outer surface of the lower portion of the hollow needle bar, a cap is arranged at the top of the hollow needle bar, the top of the hollow needle bar is fixed in the cap, a handle is disposed in the cap, and the bottom surface of the handle contacts with the top end of the probe. By the aid of the forward thread arranged on the outer surface of the lower portion of the hollow needle bar, the hollow needle bar can drill into bone marrow deeply like a drill, and high-density bone substance and bone marrow can be punctured easily. As the top of the probe contacts with the bottom surface of the handle, the probe can not move, and the needle bar can puncture into bone marrow conveniently and quickly. Different puncture needles can be used for puncturing within a limited space simultaneously after a work path is built since the handle and the probe are pulled out after the needle bar is punctured into bone marrow. The novel bone puncture needle is used for needle biopsy for treating bone marrow and bone diseases, and is particularly suitable for puncture of high-density bone marrow.
Description
Technical field
This utility model belongs to medical apparatus and instruments, relates in particular to the bone puncture needle that a kind of suitable high density sclerotin does not thrust.
Background technology
The bone puncture is one of clinical medicine sampling Therapeutic Method commonly used, and the puncture needle of the bone marrow aspiration of usefulness sampling is at present generally formed by outer syringe needle and probe combinations; Outer syringe needle adopts the common syringe needle of bigger hollow, and probe is a fine needle, during sampling big syringe needle can't help in the sclerotin of human body; Pass in outer syringe needle with little fine needle; Be used to survey the bone marrow granule and exist, this puncture needle is simple in structure, and is easy to use.But this puncture needle is difficult for surveying than degree of depth position, and is difficult more for the high sclerotin of the big density of hardness especially.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency a kind of novel bone puncture needle is provided.
The purpose of this utility model realizes through following technical scheme:
A kind of novel bone puncture needle; Comprise hollow shank, probe passes hollow shank and exposes the shank through hole, is provided with the precession screw thread in the lower external face of hollow shank; Top at hollow shank is provided with nut; The top of shank is fixed in the nut, and handle is arranged in the nut, and the bottom surface of handle contacts with the top of probe.
Above-mentioned novel bone puncture needle, said handle and nut are threaded engagement.
Above-mentioned novel bone puncture needle is symmetrically arranged with the card post on the said handle, be symmetrically arranged with draw-in groove on the nut, and the card post sticks in the draw-in groove.
Adopt technique scheme, this utility model has following advantage: owing to be provided with the precession screw thread in the shank lower external face, make shank as drill body, can pierce the bone marrow depths, be convenient to thrusting of high density sclerotin and probeing into of bone marrow.The probe napex contacts with the handle bottom surface, and probe can not be moved, and rotary handle can thrust bone marrow with shank easily and fast.After thrusting bone marrow, after handle and probe are extracted, set up service aisle after, can use different puncture needles in limited space simultaneously the puncture.This utility model is used for bone marrow and osteopathia aspiration biopsy, is particularly suitable for the puncture of high density bone marrow.
Description of drawings
Fig. 1 is the structural representation of this utility model.
The specific embodiment
A kind of novel bone puncture needle as shown in Figure 1; Comprise hollow shank 4, probe 3 passes hollow shank and exposes the shank through hole, is provided with precession screw thread 5 at the bottom outer surface of hollow shank; Be provided with nut 2 at the top of hollow shank; The top of shank 4 is fixed in the nut 2, and handle 1 is arranged in the nut 2, and the bottom surface of handle 1 contacts with the top of probe 3.
The handle 1 and the nut 2 of this utility model are threaded engagement, conveniently install and pull down.
Be symmetrically arranged with the card post on the handle 1 of this utility model, be symmetrically arranged with draw-in groove on the nut 2, the card post sticks in the draw-in groove, and promptly handle 1 is clampings with nut 2, and handle is upwards free fully, reaches the peripheral direction relative fixed downwards, easy disassembly.
Claims (3)
1. novel bone puncture needle; Comprise hollow shank (4), probe (3) passes hollow shank and exposes the shank through hole, it is characterized in that: the lower external face at hollow shank is provided with precession screw thread (5); Be provided with nut (2) at the top of hollow shank; The top of shank (4) is fixed in the nut (2), and handle (1) is arranged in the nut (2), and the bottom surface of handle (1) contacts with the top of probe (3).
2. novel bone puncture needle according to claim 1 is characterized in that: said handle (1) is a threaded engagement with nut (2).
3. novel bone puncture needle according to claim 1 is characterized in that: said handle is symmetrically arranged with the card post on (1), and nut is symmetrically arranged with draw-in groove on (2), and the card post sticks in the draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200244731U CN202446211U (en) | 2012-01-19 | 2012-01-19 | Novel bone puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200244731U CN202446211U (en) | 2012-01-19 | 2012-01-19 | Novel bone puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202446211U true CN202446211U (en) | 2012-09-26 |
Family
ID=46862110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200244731U Expired - Fee Related CN202446211U (en) | 2012-01-19 | 2012-01-19 | Novel bone puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202446211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105286954A (en) * | 2014-06-07 | 2016-02-03 | 王苏 | Closed chest drainage puncture outfit and application thereof |
-
2012
- 2012-01-19 CN CN2012200244731U patent/CN202446211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105286954A (en) * | 2014-06-07 | 2016-02-03 | 王苏 | Closed chest drainage puncture outfit and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20130119 |