CN203970510U - A kind of marrow puncture needle - Google Patents
A kind of marrow puncture needle Download PDFInfo
- Publication number
- CN203970510U CN203970510U CN201420429377.4U CN201420429377U CN203970510U CN 203970510 U CN203970510 U CN 203970510U CN 201420429377 U CN201420429377 U CN 201420429377U CN 203970510 U CN203970510 U CN 203970510U
- Authority
- CN
- China
- Prior art keywords
- needle
- needle guard
- guard
- interior
- marrow puncture
- 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
Links
Abstract
The utility model discloses a kind of marrow puncture needle, comprise needle body and the needle guard that is set in needle body outside, one end of described needle body is made as tip, the other end of needle body is made as end, the end of needle body is provided with needle stand, described needle stand is provided with the detachable top cap that is enclosed within its outside, top cap and needle stand are sealed and matched, it is characterized in that: described Needle hub assembly comprises interior needle guard and outer needle guard, interior needle guard and outer needle guard socket clearance fit and interior needle guard and outer needle guard socket place are provided with activity orientation structure, the outer wall of needle body end is provided with external screw thread, the inwall of described outer needle guard is provided with female thread, described needle body and outer needle guard threaded engagement, the other end port outer wall of described interior needle guard and outer needle guard socket end is provided with positioning seat, positioning seat and needle body axis are the relation of intersecting vertically.The marrow puncture needle that this utility model provides, not only simple in structure, easy to operate, the stability while improving bone marrow aspiration, has solved operator simultaneously and when marrow puncture needle is exerted oneself, has been difficult to guarantee vertical inserting needle problem.
Description
Technical field
This utility model relates to medical instruments technical field, is specifically related to a kind of marrow puncture needle.
Background technology
At present, the marrow puncture needle that used clinically is mainly comprised of needle body, needle handle and nook closing member, when carrying out bone marrow aspiration to patient, needle body thrusts and needs to take off nook closing member behind site of puncture and connect syringe again and aspirate, aforesaid operations is complicated, waste time and energy, in addition, marrow puncture needle in use, when requiring marrow puncture needle that larger puncture force is provided, guarantee vertical inserting needle, during puncture, also require to control the paracentesis depth of marrow puncture needle, avoid overexerting and can cause marrow puncture needle to fracture or piercing through patient's internal organs.
For this reason, in recent years, people are being devoted to the improvement to marrow puncture needle always, for example, and the file that Chinese invention patent publication number is CN203555818U, a kind of marrow puncture needle is disclosed, its tail end at puncture needle tubing is provided with needle stand, and needle stand tail end is provided with and is nested with at its outside top cap, and described puncture needle tubing is provided with a thread segment in the forward position of needle stand, described thread segment is provided with the thread bush of threaded engagement, and the both sides that described thread bush is relative are provided with finger ring; Between described thread bush and needle stand, be provided with spring.Although adopt the marrow puncture needle of said structure simple in structure, easy to operate, inserting needle direction is easily controlled, but cannot guarantee vertical inserting needle, and carrying out the also paracentesis depth of uncontrollable marrow puncture needle of bone marrow aspiration when operation, adopt the marrow puncture needle misoperation of said structure, can make troubles and misery to sufferer.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, this utility model provides marrow puncture needle a kind of simple in structure, easy to operate, and the stability of inserting needle when it can improve bone marrow aspiration can guarantee vertical inserting needle simultaneously.
To achieve these goals, the technical solution adopted in the utility model is: a kind of marrow puncture needle, comprise needle body and the needle guard that is set in needle body outside, one end of described needle body is made as tip, the other end of needle body is made as end, the end of needle body is provided with needle stand, described needle stand is provided with the detachable top cap that is enclosed within its outside, top cap and needle stand are sealed and matched, it is characterized in that: described Needle hub assembly comprises interior needle guard and outer needle guard, interior needle guard and outer needle guard socket clearance fit and interior needle guard and outer needle guard socket place are provided with activity orientation structure, the outer wall of needle body end is provided with external screw thread, the inwall of described outer needle guard is provided with female thread, described needle body and outer needle guard threaded engagement, the other end port outer wall of described interior needle guard and outer needle guard socket end is provided with positioning seat, positioning seat and needle body axis are the relation of intersecting vertically.
In said structure, end at described interior needle guard is provided with positioning seat, solve operator and when marrow puncture needle is exerted oneself, be difficult to guarantee vertical inserting needle problem, positioning seat is aimed to patient's sufferer position, by the activity orientation structure of Needle hub assembly, regulate again the length of needle guard, make needle body thrust fast sufferer position, not only can accurately locate sufferer position, and needle body is while being fixed in bone, rotation needle body is pushed ahead, in slowly stinging to the marrow, avoided causing because the application of force is improper that needle point slides patient is damaged at surface of bone.After this, then open the top cap in described needle body end needle stand, change syringe bone marrow is aspirated, saved the step of changing nook closing member, described marrow puncture needle is simple in structure, easy to operate.
As further setting of the present utility model, described activity orientation structure comprises locating piece and the limit channels being slidably matched with locating piece, described locating piece is arranged on the end outer wall of interior needle guard and outer needle guard socket end, limit channels is arranged on the end outer wall of described outer needle guard and the socket of interior needle guard, the inwall of described limit channels is provided with some stopper slots that radially extend to limit channels, the shape of described stopper slot and locating piece form fit.
In said structure, described limit channels is made as initiating terminal near one end of interior needle guard and outer needle guard socket place, the other end of limit channels is made as destination terminal, during use, described interior needle guard is aimed at patient part, described locating piece original position is positioned at the stopper slot of limit channels initiating terminal, rotating described outer needle guard makes the locating piece of interior needle guard be arranged in the passage of limit channels, after patient's lesions position is punctured, in rotation, needle guard makes described locating piece enter appointment stopper slot, described operation not only can regulate the length of needle guard, can effectively control paracentesis depth.
As further optimization of the present utility model, the outside of described limit channels is provided with rule.
In said structure, described rule and limit channels are used in conjunction with, and according to different sufferers, select different paracentesis depths, can effectively avoid thrusting dark, and patient is caused to larger misery.
As further setting of the present utility model, described activity orientation structure comprises the first external thread section that is arranged on interior needle guard and outer needle guard socket end outer wall, and the second internal thread segment that is arranged on outer needle guard and interior needle guard socket end inwall, interior needle guard is coordinated with the second internal thread segment of outer needle guard and is formed activity orientation relation by the first external thread section.
In said structure, described interior needle guard and outer needle guard screw connection structure are more firm, can provide a firm lasting support force for needle body, described needle body is along with rotatablely moving of interior needle guard and outer needle guard thrust patient's patient part, still can guarantee operator's vertical inserting needle when marrow puncture needle is exerted oneself.
As further optimization of the present utility model, described positioning seat comprises two or more short slabs, and described short slab is arranged on the end outer wall of interior needle guard and is horizontally outward extended by interior needle guard end outer wall, and short slab and interior needle guard axis perpendicular.
In said structure, when the short slab quantity of described positioning seat is two, described short slab coaxially arranges, and suitably increases the width of short slab to use; The short slab quantity of described positioning seat is three and when above, and described short slab is combined to form take symmetric figure that the center of interior needle guard is symmetrical centre to use.
As further setting of the present utility model, the most advanced and sophisticated sidewall of described needle body is provided with the aperture of some axial distribution.
In said structure, described aperture can, when bone marrow extraction, in the situation that do not affect the most advanced and sophisticated intensity of needle body, effectively increase bone marrow collection amount.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model embodiment.
Fig. 2 is the explosive view of this utility model embodiment.
The specific embodiment
As Figure 1-Figure 2, specific embodiment of the utility model is a kind of marrow puncture needle, comprise needle body 1 and the needle guard 2 that is set in needle body outside, one end of described needle body 1 is made as tip, the other end of needle body is made as end, the end of needle body is provided with needle stand 3, described needle stand 3 is provided with the detachable top cap 31 that is enclosed within its outside, top cap 31 is sealed and matched with needle stand 3, described Needle hub assembly comprises interior needle guard 21 and outer needle guard 22, interior needle guard 21 and outer needle guard 22 socket clearance fit and interior needle guard 21 and outer needle guard 22 socket places are provided with activity orientation structure, the outer wall of needle body 1 end is provided with external screw thread 11, the inwall of described outer needle guard 22 is provided with female thread 223, described needle body 1 and outer needle guard 22 threaded engagement, described interior needle guard 21 is provided with positioning seat 211 with the other end port outer wall of outer needle guard 22 socket ends, positioning seat 211 is with needle body 1 axis the relation of intersecting vertically.End at described interior needle guard 21 is provided with positioning seat, solve operator and when marrow puncture needle is exerted oneself, be difficult to guarantee vertical inserting needle problem, positioning seat 211 is aimed to patient's sufferer position, by the activity orientation structure of Needle hub assembly, regulate again the length of needle guard, make needle body 1 thrust fast sufferer position, not only can accurately locate sufferer position, and needle body 1 is while being fixed in bone, rotation needle body 1 is pushed ahead, in slowly stinging to the marrow, avoided causing because the application of force is improper that needle point slides patient is damaged at surface of bone.After this, then open the top cap 31 in described needle body 1 end needle stand 3, change syringe bone marrow is aspirated, saved the step of changing nook closing member, described marrow puncture needle is simple in structure, easy to operate.
Described activity orientation structure comprises locating piece 212 and the limit channels 221 being slidably matched with locating piece 212, described locating piece 212 is arranged on interior needle guard 21 and is socketed with outer needle guard 22 the end outer wall of holding, limit channels 221 is arranged on the end outer wall of described outer needle guard 22 and 21 sockets of interior needle guard, the inwall of described limit channels 221 is provided with some stopper slots 222 that radially extend to limit channels 221, the shape of described stopper slot 222 and locating piece 212 form fit.Described limit channels 221 is made as initiating terminal near interior needle guard 21 and one end of outer needle guard 22 socket places, the other end of limit channels is made as destination terminal, during use, described interior needle guard 21 is aimed at patient part, described locating piece 212 original positions are positioned at the stopper slot 222 of limit channels 221 initiating terminals, rotate the passage that locating piece 212 that described outer needle guard 22 makes interior needle guard 21 is arranged in limit channels 221, after patient's lesions position is punctured, in rotation, needle guard 21 enters described locating piece 212 and specifies stopper slot 222, described operation not only can regulate the length of needle guard, can effectively control paracentesis depth.
The outside of described limit channels is provided with rule 223.Described rule 223 is used in conjunction with limit channels 222, according to different sufferers, selects different paracentesis depths, can effectively avoid thrusting dark, and patient is caused to larger misery.
Described activity orientation structure comprises that being arranged on interior needle guard 21 is socketed with outer needle guard 22 the first external thread section of holding outer walls, and the second internal thread segment that is arranged on outer needle guard 22 and interior needle guard 21 socket end inwalls, interior needle guard 21 is coordinated with the second internal thread segment of outer needle guard 22 and is formed activity orientation relation by the first external thread section.Described interior needle guard 21 is more firm with outer needle guard 22 screw connection structures, can provide a firm lasting support force for needle body 1, described needle body 1 is along with interior needle guard 21 and rotatablely moving of outer needle guard 22 are thrust patient's patient part, still can guarantee operator's vertical inserting needle when marrow puncture needle is exerted oneself.
Described positioning seat 211 comprises two or more short slab 2111, and described short slab 2111 is arranged on the end outer wall of interior needle guard 21 and is horizontally outward extended by interior needle guard 21 end outer walls, and short slab 2111 is perpendicular with interior needle guard 21 axis.When short slab 2111 quantity of described positioning seat 211 are two, described short slab 2111 coaxially arranges, and suitably increases the width of short slab 2111 to use; Short slab 2111 quantity of described positioning seat 211 are three and when above, and described short slab 2111 is combined to form take symmetric figure that interior needle guard 21 center is symmetrical centre to use.
The most advanced and sophisticated sidewall of described needle body 1 is provided with the aperture 12 of some axial distribution.Described aperture 12 can, when bone marrow extraction, in the situation that do not affect the most advanced and sophisticated intensity of needle body, effectively increase bone marrow collection amount.
Claims (6)
1. a marrow puncture needle, comprise needle body and the needle guard that is set in needle body outside, one end of described needle body is made as tip, the other end of needle body is made as end, the end of needle body is provided with needle stand, described needle stand is provided with the detachable top cap that is enclosed within its outside, top cap and needle stand are sealed and matched, it is characterized in that: described Needle hub assembly comprises interior needle guard and outer needle guard, interior needle guard and outer needle guard socket clearance fit and interior needle guard and outer needle guard socket place are provided with activity orientation structure, the outer wall of needle body end is provided with external screw thread, the inwall of described outer needle guard is provided with female thread, described needle body and outer needle guard threaded engagement, the other end port outer wall of described interior needle guard and outer needle guard socket end is provided with positioning seat, positioning seat and needle body axis are the relation of intersecting vertically.
2. marrow puncture needle according to claim 1, it is characterized in that: described activity orientation structure comprises locating piece and the limit channels being slidably matched with locating piece, described locating piece is arranged on the end outer wall of interior needle guard and outer needle guard socket end, limit channels is arranged on the end outer wall of described outer needle guard and the socket of interior needle guard, the inwall of described limit channels is provided with some stopper slots that radially extend to limit channels, the shape of described stopper slot and locating piece form fit.
3. marrow puncture needle according to claim 2, is characterized in that: the outside of described limit channels is provided with rule.
4. marrow puncture needle according to claim 1, it is characterized in that: described activity orientation structure comprises the first external thread section that is arranged on interior needle guard and outer needle guard socket end outer wall, and the second internal thread segment that is arranged on outer needle guard and interior needle guard socket end inwall, interior needle guard is coordinated with the second internal thread segment of outer needle guard and is formed activity orientation relation by the first external thread section.
5. according to the marrow puncture needle described in claim 1 or 2 or 3 or 4, it is characterized in that: described positioning seat comprises two or more short slabs, described short slab is arranged on the end outer wall of interior needle guard and is horizontally outward extended by interior needle guard end outer wall, and short slab and interior needle guard axis perpendicular.
6. according to the marrow puncture needle described in claim 1 or 2 or 3 or 4, it is characterized in that: the most advanced and sophisticated sidewall of described needle body is provided with the aperture of some axial distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429377.4U CN203970510U (en) | 2014-07-31 | 2014-07-31 | A kind of marrow puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429377.4U CN203970510U (en) | 2014-07-31 | 2014-07-31 | A kind of marrow puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203970510U true CN203970510U (en) | 2014-12-03 |
Family
ID=51967985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420429377.4U Expired - Fee Related CN203970510U (en) | 2014-07-31 | 2014-07-31 | A kind of marrow puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203970510U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105796A (en) * | 2015-07-13 | 2015-12-02 | 于巧媛 | Novel puncture needle |
| CN107095708A (en) * | 2017-06-08 | 2017-08-29 | 邳州东大医院 | Adjustable Pericardiopuncture needle |
| CN107928767A (en) * | 2017-12-12 | 2018-04-20 | 成都育芽科技有限公司 | A kind of medical thoracic drainage and thoracentesis instrument |
| CN109124694A (en) * | 2018-08-14 | 2019-01-04 | 温州市中心医院 | A kind of hematology's marrow puncture needle |
| CN109965946A (en) * | 2017-12-28 | 2019-07-05 | 先健科技(深圳)有限公司 | Dilated penetration device, component and medical instrument |
| CN110680480A (en) * | 2019-11-04 | 2020-01-14 | 商洛职业技术学院 | Dura mater puncture awl and matched handle thereof |
-
2014
- 2014-07-31 CN CN201420429377.4U patent/CN203970510U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105796A (en) * | 2015-07-13 | 2015-12-02 | 于巧媛 | Novel puncture needle |
| CN107095708A (en) * | 2017-06-08 | 2017-08-29 | 邳州东大医院 | Adjustable Pericardiopuncture needle |
| CN107928767A (en) * | 2017-12-12 | 2018-04-20 | 成都育芽科技有限公司 | A kind of medical thoracic drainage and thoracentesis instrument |
| CN109965946A (en) * | 2017-12-28 | 2019-07-05 | 先健科技(深圳)有限公司 | Dilated penetration device, component and medical instrument |
| CN109965946B (en) * | 2017-12-28 | 2022-05-17 | 先健科技(深圳)有限公司 | Dilatation puncture device, assembly and medical instrument |
| CN109124694A (en) * | 2018-08-14 | 2019-01-04 | 温州市中心医院 | A kind of hematology's marrow puncture needle |
| CN110680480A (en) * | 2019-11-04 | 2020-01-14 | 商洛职业技术学院 | Dura mater puncture awl and matched handle thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203970510U (en) | A kind of marrow puncture needle | |
| CN202069615U (en) | Bone biopsy and bone marrow puncture suction biopsy needle set | |
| CN204863416U (en) | Rotatory amnion rupture of membranes ware of gynaecology and obstetrics | |
| CN204207776U (en) | quantitative negative pressure suction type biopsy needle | |
| CN2899718Y (en) | Circular rotary type marrow puncture needle | |
| CN203042320U (en) | Novel tumor biopsy sampling device | |
| CN209644959U (en) | A kind of prostate biopsy puncture needle | |
| CN202027703U (en) | Multipurpose broken nail extractor | |
| CN202505393U (en) | Scale mark direct extraction type bone biopsy needle | |
| CN203634543U (en) | Multifunctional cyst puncture device | |
| CN202409708U (en) | Power-assisted anesthetic syringe | |
| CN201055572Y (en) | Disposable self-destroyable syringe | |
| CN105078746A (en) | Sterile, integrated and detachable acupoint catgut embedding pen | |
| CN203539389U (en) | Hemorrhoid cutting guiding device | |
| CN205073488U (en) | Guide drainage tube of chute straightener | |
| CN201602850U (en) | Puncture needle for pediatrics | |
| CN203379366U (en) | Soft acupuncture remaining needle | |
| CN204562230U (en) | A kind of tumor needle tube type sampler | |
| CN202942151U (en) | Multifunctional bone marrow aspiration device | |
| CN203724132U (en) | Semiautomatic biopsy needle | |
| CN202179693U (en) | Novel acupuncture needle | |
| CN201612905U (en) | Local anesthesia needle | |
| CN217612013U (en) | Novel blood-letting puncture needle for traditional Chinese medicine | |
| CN202714871U (en) | Tumor puncture needle | |
| CN201642324U (en) | Fork type probe |
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: 20141203 Termination date: 20160731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |