CN204169875U - Bone marrow aspiration biopsy needle - Google Patents
Bone marrow aspiration biopsy needle Download PDFInfo
- Publication number
- CN204169875U CN204169875U CN201420544148.7U CN201420544148U CN204169875U CN 204169875 U CN204169875 U CN 204169875U CN 201420544148 U CN201420544148 U CN 201420544148U CN 204169875 U CN204169875 U CN 204169875U
- Authority
- CN
- China
- Prior art keywords
- needle
- needle body
- bone marrow
- push rod
- handle
- 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
The utility model discloses a kind of bone marrow aspiration biopsy needle, comprise needle body, push rod and handle, needle body upper end mounting handle, lower end is provided with needle point, it is characterized in that: described needle body establishes the cylindrical structure of cavity, needle tip shutoff in being, needle point top be provided be connected with needle lumen scrape hole, perforate is provided with in the middle part of described handle, one end of push rod is punctured into by perforate in the cavity in needle body, and the other end of push rod is provided with baffle plate, and baffle plate is provided with draw ring; Described needle point is provided with external screw thread.This utility model is reasonable in design, structure is simple, be convenient to during use control, the hole of scraping arranged can scraping bone marrow biopsy specimen effectively, make the success rate of puncture high, effectively can avoid the secondary puncture of patient, the external screw thread that needle point is arranged can drive needle body easily to penetrate in subjects bones, significantly reduces the misery of patient and the labor intensity of doctor.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, is specifically related to a kind of bone marrow aspiration biopsy needle.
Background technology
Internal medicine in hospital frequent need puncture to diagnose the illness to the bone marrow of patient, at present, bone marrow aspiration biopsy needle used clinically is mainly made up of needle handle and needle body, because sclerotin is mostly harder, extremely bother during puncture, waste time and energy, and be also difficult to during puncture take out of disposable for bone marrow.
Summary of the invention
The purpose of this utility model is exactly the defect existed for prior art, provides a kind of bone marrow aspiration biopsy needle.
Its technical scheme is: bone marrow aspiration biopsy needle, comprise needle body, push rod and handle, needle body upper end mounting handle, lower end is provided with needle point, and described needle body establishes the cylindrical structure of cavity, needle tip shutoff in being, needle point top be provided be connected with needle lumen scrape hole, perforate is provided with in the middle part of described handle, one end of push rod is punctured into by perforate in the cavity in needle body, and the other end of push rod is provided with baffle plate, and baffle plate is provided with draw ring; Described needle point is provided with external screw thread.
Wherein, described in scrape hole be the elliptical hole that both sides are provided with blade, its distance needle point 5-9mm.Described needle body outside is provided with scale.
This utility model compared with prior art, have the following advantages: reasonable in design, structure is simple, be convenient to during use control, the hole of scraping arranged can scraping bone marrow biopsy specimen effectively, make the success rate of puncture high, effectively can avoid the secondary puncture of patient, the external screw thread that needle point is arranged can drive needle body easily to penetrate in subjects bones, significantly reduces the misery of patient and the labor intensity of doctor.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of this utility model.
Detailed description of the invention
With reference to Fig. 1, a kind of bone marrow aspiration biopsy needle, comprise needle body 1, push rod 6 and handle 2, needle body 1 upper end mounting handle 2, lower end is provided with needle point 3, described needle body 1 establishes the cylindrical structure of cavity, the shutoff of needle point 3 end in being, needle point 3 top be provided with needle body 1 intracavity inter-connection scrape hole 5, be provided with perforate 7 in the middle part of described handle 2, one end of push rod 6 is punctured in the cavity in needle body 1 by perforate 7, the other end of push rod 6 is provided with baffle plate 8, and baffle plate 8 is provided with draw ring 9; Described needle point 3 is provided with external screw thread 4.Wherein, described in scrape hole 5 for both sides and be provided with the elliptical hole of blade 11, it has the distance of 5-9mm apart from needle point 3.Described needle body 1 outside is provided with scale 10.
During use, first by draw ring 9, push rod 6 is pulled out in needle body 1, hold handle 2 and needle point 3 is slowly thrust patient, when needle point 3 arrives subjects bones, rotatable handgrip 2 drives needle body 1 easily to penetrate in subjects bones by the external screw thread 4 on needle point 3, and under the effect rotated, Bone Marrow of Patients is scraped into needle body 1 inner chamber by the blade 11 scraping both sides, hole 5, then extract needle body 1 out, push rod 6 is inserted in needle body 1 and specimen can be tested from scraping hole 5 to release.
This utility model is reasonable in design, structure is simple, be convenient to during use control, the hole of scraping arranged can scraping bone marrow biopsy specimen effectively, make the success rate of puncture high, effectively can avoid the secondary puncture of patient, the external screw thread that needle point is arranged can drive needle body easily to penetrate in subjects bones, significantly reduces the misery of patient and the labor intensity of doctor.
Claims (3)
1. bone marrow aspiration biopsy needle, comprise needle body, push rod and handle, needle body upper end mounting handle, lower end is provided with needle point, it is characterized in that: described needle body establishes the cylindrical structure of cavity, needle tip shutoff in being, needle point top be provided be connected with needle lumen scrape hole, perforate is provided with in the middle part of described handle, one end of push rod is punctured into by perforate in the cavity in needle body, and the other end of push rod is provided with baffle plate, and baffle plate is provided with draw ring; Described needle point is provided with external screw thread.
2. bone marrow aspiration biopsy needle according to claim 1, is characterized in that: described in scrape hole be the elliptical hole that both sides are provided with blade, its distance needle point 5-9mm.
3. bone marrow aspiration biopsy needle according to claim 1, is characterized in that: described needle body outside is provided with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420544148.7U CN204169875U (en) | 2014-09-22 | 2014-09-22 | Bone marrow aspiration biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420544148.7U CN204169875U (en) | 2014-09-22 | 2014-09-22 | Bone marrow aspiration biopsy needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204169875U true CN204169875U (en) | 2015-02-25 |
Family
ID=52558723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420544148.7U Expired - Fee Related CN204169875U (en) | 2014-09-22 | 2014-09-22 | Bone marrow aspiration biopsy needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204169875U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726549A (en) * | 2016-12-30 | 2017-05-31 | 梁正文 | A kind of multi-functional muscular fascia one pulling needle knife |
| WO2020176768A1 (en) * | 2019-02-27 | 2020-09-03 | Beacon Biomedical, Llc | Fastening device for acquiring bone marrow aspirate |
| CN115245381A (en) * | 2022-09-26 | 2022-10-28 | 博志生物科技(深圳)有限公司 | Puncture injection device |
-
2014
- 2014-09-22 CN CN201420544148.7U patent/CN204169875U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726549A (en) * | 2016-12-30 | 2017-05-31 | 梁正文 | A kind of multi-functional muscular fascia one pulling needle knife |
| WO2020176768A1 (en) * | 2019-02-27 | 2020-09-03 | Beacon Biomedical, Llc | Fastening device for acquiring bone marrow aspirate |
| US11589847B2 (en) | 2019-02-27 | 2023-02-28 | Beacon Biomedical, Llc | Fastening device for acquiring bone marrow aspirate |
| CN115245381A (en) * | 2022-09-26 | 2022-10-28 | 博志生物科技(深圳)有限公司 | Puncture injection device |
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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 |
Granted publication date: 20150225 Termination date: 20150922 |
|
| EXPY | Termination of patent right or utility model |