CN204813986U - Marrow biopsy needle - Google Patents
Marrow biopsy needle Download PDFInfo
- Publication number
- CN204813986U CN204813986U CN201520604721.3U CN201520604721U CN204813986U CN 204813986 U CN204813986 U CN 204813986U CN 201520604721 U CN201520604721 U CN 201520604721U CN 204813986 U CN204813986 U CN 204813986U
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- CN
- China
- Prior art keywords
- biopsy
- piston
- acquisition cavity
- needle body
- chamber
- 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 marrow biopsy needle, chamber, collection chamber piston, piston control lever, control rotating part, rolling bearing, a pair of portion of shaking hands, metal collapsible tube, built -in spring, fine setting dig, piston seal and hinge joint pole are gathered in needle body, biopsy in the outer needle body of biopsy, biopsy, the needle body is established the biopsy outside in the needle body in the biopsy, and the chamber is gathered even the biopsy outside on the needle body to the biopsy, gathers the chamber piston and passes through piston seal and establishes and gather the intracavity in the biopsy, and the chamber piston is even gathered to the hinge joint pole, and the hinge joint pole is the piston control lever even, the piston control lever with control the rotating part and be connected, the piston control lever connects through rolling bearing and biopsy collection chamber soon, the portion of shaking hands establishes gathers the chamber both sides in the biopsy, and metal collapsible tube even biopsy gathers chamber and fine setting dig, and built -in spring establishes in metal collapsible tube. The utility model discloses can remain stable and gather marrow in the health with inserting of accuracy, the collection volume is controllable, can look over in time whether correct the sample is, improves and gathers efficiency, reduces patient's discomfort.
Description
Technical field
This utility model relates to a kind of medical equipment, particularly relates to a kind of myeloid biopsy needle.
Background technology
Bone marrow biopsy art is called for short bone marrow biopsy, makes pathological examination exactly by the cylindrical bone myeloid tissue that about 0.5 ~ 1 centimeter length of a fritter got by a special puncture needle.Pin portion is directly connected with the body of collection by the myeloid biopsy needle of prior art, and collection effect is not good, and collection capacity can not control.
Utility model content
The purpose of this utility model: provide a kind of myeloid biopsy needle, can collect required sample of bone marrow fast and accurately, reduces patient's pain.
To achieve these goals, the technical solution of the utility model is:
A kind of myeloid biopsy needle, comprises needle body in the outer needle body of biopsy, biopsy, biopsy acquisition cavity, acquisition cavity piston, piston control stick, control rotating part, rolling bearing, a pair handshake part, metal hose, built-in spring, fine setting dig, piston packing and piston brace rod; In described biopsy, needle body is arranged in the outer needle body of described biopsy, and the outer needle body of described biopsy is coaxially connected with needle body in described biopsy and is a side end is the integrative-structure of tip-like; One end of described biopsy acquisition cavity is connected to the end side of needle body in the outer needle body of described biopsy and biopsy, and described biopsy acquisition cavity is communicated with needle body in described biopsy; Described acquisition cavity piston is arranged in described biopsy acquisition cavity, and described piston packing is arranged on described acquisition cavity piston, and described acquisition cavity piston is connected by the inner wall sealing of described piston packing with described biopsy acquisition cavity; One end of described piston brace rod is connected with described acquisition cavity piston, and the other end of described piston brace rod is provided with depressed part, and is provided with female thread in described depressed part; One end of described piston control stick is provided with protuberance, and described protuberance is provided with the external screw thread suitable with described female thread, and described piston brace rod and described piston control stick are spun by threaded adapter; The other end of described piston control stick extends to the outside of described biopsy acquisition cavity and is connected with described control rotating part; Described rolling bearing is arranged on described piston control stick, and described piston control stick is sealed by described rolling bearing and described biopsy acquisition cavity and spins; A pair described handshake part is separately positioned on the both sides of described biopsy acquisition cavity, and one end of a pair described handshake part is connected on described biopsy acquisition cavity, and the other end of a pair described handshake part is free end and extends back; One end of described metal hose is connected on described biopsy acquisition cavity, and described fine setting dig is connected on the other end of described metal hose, and described built-in spring is coaxially arranged in described metal hose.
Above-mentioned myeloid biopsy needle, wherein, curved in the middle part of a pair described handshake part, the middle part of the lateral surface of a pair described handshake part is provided with anti-slip veins.
Above-mentioned myeloid biopsy needle, wherein, also comprises leak jacket, and described leak jacket is enclosed within the end of the outer needle body of described biopsy.
Above-mentioned myeloid biopsy needle, wherein, described biopsy acquisition cavity is provided with observation window, and described observation window is along the two ends axially extending to described biopsy acquisition cavity of described biopsy acquisition cavity.
Above-mentioned myeloid biopsy needle, wherein, described observation window is provided with graduation mark, is positioned at the junction of described observation window and described biopsy acquisition cavity.
This utility model can keep stable and gather bone marrow to be inserted in health accurately, and the amount of collection is controlled, and whether the sample that can view collection is timely correct, improves collecting efficiency, reduces the not work of patient.
Accompanying drawing explanation
Fig. 1 is the sectional view of this utility model myeloid biopsy needle.
Fig. 2 is the structural representation of the biopsy acquisition cavity of this utility model myeloid biopsy needle.
Detailed description of the invention
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1 and accompanying drawing 2, a kind of myeloid biopsy needle, comprises needle body 2 in the outer needle body 1 of biopsy, biopsy, biopsy acquisition cavity 3, acquisition cavity piston 4, piston control stick 5, control rotating part 6, rolling bearing 7, a pair handshake part 8, metal hose 9, built-in spring 10, fine setting dig 11, piston packing 12 and piston brace rod 13; In described biopsy, needle body 2 is arranged in the outer needle body 1 of described biopsy, and the outer needle body 1 of described biopsy and needle body 2 in described biopsy be coaxial to be connected and the integrative-structure of to be a side end be tip-like; One end of described biopsy acquisition cavity 3 is connected to the end side of needle body 2 in the outer needle body 1 of described biopsy and biopsy, and described biopsy acquisition cavity 3 is communicated with needle body 2 in described biopsy; Described acquisition cavity piston 4 is arranged in described biopsy acquisition cavity 3, described piston packing 12 is arranged on described acquisition cavity piston 4, and described acquisition cavity piston 4 is connected by the inner wall sealing of described piston packing 12 with described biopsy acquisition cavity 3; One end of described piston brace rod 13 is connected with described acquisition cavity piston 4, and the other end of described piston brace rod 13 is provided with depressed part, and is provided with female thread in described depressed part; One end of described piston control stick 5 is provided with protuberance, and described protuberance is provided with the external screw thread suitable with described female thread, and described piston brace rod 13 is spun by threaded adapter with described piston control stick 5; The other end of described piston control stick 5 extends to the outside of described biopsy acquisition cavity 3 and is connected with described control rotating part 6; Described rolling bearing 7 is arranged on described piston control stick 5, and described piston control stick 5 is sealed by described rolling bearing 7 and described biopsy acquisition cavity 3 and spins; Described a pair handshake part 8 is separately positioned on the both sides of described biopsy acquisition cavity 3, and one end of described a pair handshake part 8 is connected on described biopsy acquisition cavity 3, and the other end of described a pair handshake part 8 is free end and extends back; One end of described metal hose 9 is connected on described biopsy acquisition cavity 3, and described fine setting dig 11 is connected on the other end of described metal hose 9, and described built-in spring 10 is coaxially arranged in described metal hose 9.
Curved in the middle part of described a pair handshake part 8, the middle part of the lateral surface of described a pair handshake part 8 is provided with anti-slip veins 14, hand profile of can better fitting, and plays anti-skidding effect.
Also comprise leak jacket 15, described leak jacket 15 is enclosed within the end of the outer needle body 1 of described biopsy, after can preventing collecting sample and spill in transit.
Described biopsy acquisition cavity 3 is provided with observation window 16, and whether described observation window 16, along the two ends axially extending to described biopsy acquisition cavity 3 of described biopsy acquisition cavity 3, can be used for observing the sample gathered and meet the requirements.
Described observation window 16 is provided with graduation mark 17, is positioned at described observation window 16 and the junction of described biopsy acquisition cavity 3, can be used for the amount observing and control to gather.
During use, hold a pair handshake part 8, lean against on health by fine setting dig 11, metal hose 9 and built-in spring 10 can be used for regulating angle of the present utility model, to keep overall stablizing.After the outer needle body 1 of biopsy inserts health, gather required sample of bone marrow by needle body in biopsy 2, rotate and control rotating part 6, piston control stick 5 opposing pistons connecting rod 13 is rotated, thus control acquisition cavity piston 4 moves outward, thus collecting sample is sucked in biopsy acquisition cavity 3.
In sum, this utility model can keep stable and gather bone marrow to be inserted in health accurately, and the amount of collection is controlled, and whether the sample that can view collection is timely correct, improves collecting efficiency, reduces the discomfort of patient.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing this utility model description to do; or directly or indirectly use the technical field being attached to other Related products, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. a myeloid biopsy needle, is characterized in that: comprise needle body in the outer needle body of biopsy, biopsy, biopsy acquisition cavity, acquisition cavity piston, piston control stick, control rotating part, rolling bearing, a pair handshake part, metal hose, built-in spring, fine setting dig, piston packing and piston brace rod; In described biopsy, needle body is arranged in the outer needle body of described biopsy, and the outer needle body of described biopsy is coaxially connected with needle body in described biopsy and is a side end is the integrative-structure of tip-like; One end of described biopsy acquisition cavity is connected to the end side of needle body in the outer needle body of described biopsy and biopsy, and described biopsy acquisition cavity is communicated with needle body in described biopsy; Described acquisition cavity piston is arranged in described biopsy acquisition cavity, and described piston packing is arranged on described acquisition cavity piston, and described acquisition cavity piston is connected by the inner wall sealing of described piston packing with described biopsy acquisition cavity; One end of described piston brace rod is connected with described acquisition cavity piston, and the other end of described piston brace rod is provided with depressed part, and is provided with female thread in described depressed part; One end of described piston control stick is provided with protuberance, and described protuberance is provided with the external screw thread suitable with described female thread, and described piston brace rod and described piston control stick are spun by threaded adapter; The other end of described piston control stick extends to the outside of described biopsy acquisition cavity and is connected with described control rotating part; Described rolling bearing is arranged on described piston control stick, and described piston control stick is sealed by described rolling bearing and described biopsy acquisition cavity and spins; A pair described handshake part is separately positioned on the both sides of described biopsy acquisition cavity, and one end of a pair described handshake part is connected on described biopsy acquisition cavity, and the other end of a pair described handshake part is free end and extends back; One end of described metal hose is connected on described biopsy acquisition cavity, and described fine setting dig is connected on the other end of described metal hose, and described built-in spring is coaxially arranged in described metal hose.
2. myeloid biopsy needle according to claim 1, is characterized in that: curved in the middle part of a pair described handshake part, the middle part of the lateral surface of a pair described handshake part is provided with anti-slip veins.
3. myeloid biopsy needle according to claim 1, is characterized in that: also comprise leak jacket, and described leak jacket is enclosed within the end of the outer needle body of described biopsy.
4. myeloid biopsy needle according to claim 1, is characterized in that: described biopsy acquisition cavity is provided with observation window, and described observation window is along the two ends axially extending to described biopsy acquisition cavity of described biopsy acquisition cavity.
5. myeloid biopsy needle according to claim 4, is characterized in that: described observation window is provided with graduation mark, is positioned at the junction of described observation window and described biopsy acquisition cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520604721.3U CN204813986U (en) | 2015-08-07 | 2015-08-07 | Marrow biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520604721.3U CN204813986U (en) | 2015-08-07 | 2015-08-07 | Marrow biopsy needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204813986U true CN204813986U (en) | 2015-12-02 |
Family
ID=54671636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520604721.3U Expired - Fee Related CN204813986U (en) | 2015-08-07 | 2015-08-07 | Marrow biopsy needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204813986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109602461A (en) * | 2019-02-01 | 2019-04-12 | 贵州省人民医院 | A kind of bone marrow biopsy device and its application method |
| CN116549028A (en) * | 2023-07-11 | 2023-08-08 | 四川省医学科学院·四川省人民医院 | Anticoagulation bone marrow collection system |
-
2015
- 2015-08-07 CN CN201520604721.3U patent/CN204813986U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109602461A (en) * | 2019-02-01 | 2019-04-12 | 贵州省人民医院 | A kind of bone marrow biopsy device and its application method |
| CN109602461B (en) * | 2019-02-01 | 2023-11-17 | 贵州省人民医院 | Bone marrow biopsy device and use method thereof |
| CN116549028A (en) * | 2023-07-11 | 2023-08-08 | 四川省医学科学院·四川省人民医院 | Anticoagulation bone marrow collection system |
| CN116549028B (en) * | 2023-07-11 | 2023-09-08 | 四川省医学科学院·四川省人民医院 | Anticoagulation bone marrow collection system |
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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: 20151202 Termination date: 20160807 |