CN102100576A - Marrow puncture and collection needle - Google Patents
Marrow puncture and collection needle Download PDFInfo
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- CN102100576A CN102100576A CN2011100542548A CN201110054254A CN102100576A CN 102100576 A CN102100576 A CN 102100576A CN 2011100542548 A CN2011100542548 A CN 2011100542548A CN 201110054254 A CN201110054254 A CN 201110054254A CN 102100576 A CN102100576 A CN 102100576A
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- needle
- marrow
- bone marrow
- needle tubing
- puncture
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Abstract
The invention discloses a marrow puncture and collection needle comprising a needle tube of a hollow structure, wherein the front end of the needle tube is a closed wedge-shaped tip, the side surface of the needle tube is provided with a plurality of liquid inlet holes, and a filter screen is arranged on each liquid inlet hole. When the marrow puncture and collection needle is used for puncturing and collecting marrow, the needle tube can be directly inserted into the medullary cavity downwards, and the problem that bone substances block a puncture needle can be avoided; when the puncture needle is in place, the distal end of the needle tube is connected with a negative pressure device, and the marrow can be extracted through the liquid inlet holes; and the liquid inlet holes are provided with the filter screens, thus large substances in the extracted marrow can be filtered in the marrow extracting process. Furthermore, the plurality of liquid inlet holes in the axial direction of the needle tube are not arranged on the same straight line, thus the marrow in multiple planes with different heights can be extracted in different directions in the extracting process, therefore, the collection efficiency of the marrow is improved, and the problem of need body breakage due to the frequent reciprocation of the puncture needle can be avoided.
Description
Technical field
The application relates to the medical apparatus field, particularly relates to a kind of bone marrow aspiration and gathers pin.
Background technology
Bone marrow collection is the basic fundamental of peripheral blood associating bone marrow transplantation, is that HLA (Human LeukocyteAntigen, human leukocyte antigen) not exclusively is harmonious and transplants requisite sport technique segment.Normally used collection pin is common marrow puncture needle in the bone marrow collection process at present, and it is made up of sleeve pipe and nook closing member.In gatherer process, at first need nook closing member is inserted sleeve pipe, rotate nook closing member then and enter pulp cavity, also be admitted in the pulp cavity at the drive setting of casing of nook closing member, and then extract nook closing member, and after telescopic afterbody connects syringe negative pressure-pumping bone marrow.
By the research to prior art, the inventor finds that there is following problem in existing marrow puncture needle when gathering bone marrow:
1, sleeve pipe is a hollow structure, rotates in the pulp cavity process, may closely do not stay the space owing to combining with nook closing member, and cause sclerotin to enter sleeve pipe and stop up sleeve pipe, and then cause marrow aspiration to be failed;
2, owing to contain the big cake mass such as bone marrow granule that a large amount of fat drops, hemopoietic island cell mass, macrophage and fibrocyte are formed in the bone marrow fluid, and the telescopic internal orifice dimension of existing marrow puncture needle is excessive, in the process of marrow aspiration, can aspirate out above-mentioned cake mass simultaneously after taking out nook closing member, if and after in the bone marrow input patient body that contains cake mass that will extract, the as easy as rolling off a log complication such as thromboembolism that causes;
3, because the required stem cell amount of bone marrow transplantation is big, so need a large amount of bone marrow of suction (even surpassing 800ml), and existing marrow puncture needle has only the sleeve pipe below that an inlet is arranged, behind the bone marrow of a plane suction some (being generally 60ml), must insert nook closing member once more, downwards inserting needle, could continue marrow aspiration after arriving next pulp cavity plane, complex operation, efficient is low, and might cause the needle body fracture when frequently rotating or moving up and down.
Therefore need a kind of novel bone marrow aspiration badly and gather pin.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of bone marrow aspiration to gather pin, when carrying out bone marrow collection, not only can realize inserting needle one time, can extract bone marrow in a large number, and can filter, contain cake mass in the bone marrow of avoiding being drawn into the bone marrow of being gathered.
To achieve these goals, the technical scheme that provides of the embodiment of the present application is as follows:
A kind of bone marrow aspiration is gathered pin, comprising: the needle tubing of hollow structure, described needle tubing front end is provided with a plurality of inlet openings, and is provided with drainage screen on each described inlet opening for the wedge shaped tip of sealing in the side of described needle tubing.
Preferably, the distance of described a plurality of inlet opening and described needle tubing front end is at 0～10mm.
Preferably, described a plurality of inlet openings are positioned on two circumference, and at the above a plurality of inlet opening of described needle tubing axis direction not point-blank.
Preferably, this bone marrow aspiration is gathered pin and further comprised: portion of the handle is fixed on the end of described needle tubing.
Preferably, the side of described needle tubing is provided with graduation apparatus.
By as seen with technical scheme, this bone marrow aspiration that last the embodiment of the present application provides is gathered in the pin, the front end of needle tubing is most advanced and sophisticated for sealing, side at needle tubing is provided with two row's inlet openings near the needle point place, and two row's inlet openings are different with the distance of needle tubing front end, are provided with drainage screen on each inlet opening.Using this bone marrow aspiration to gather pin punctures when gathering, can directly needle tubing be inserted pulp cavity downwards, and need not consider that sclerotin stops up the problem of puncture needle, after puncture puts in place, connect negative pressure equipment at the end of needle tubing, can extract bone marrow from inlet opening,, therefore can when extracting, filter the bulk matter in the bone marrow owing to be provided with drainage screen on each inlet opening.In addition owing to be a plurality of inlet openings that two rows distribute, every row is different with the front end distance of needle tubing, and at a plurality of inlet openings on the needle tubing axial direction not on same straight line, so when extracting, can extract different directions, and highly different a plurality of planar bone marrow has improved bone marrow collection efficient, and can avoid frequently moving up and down puncture needle and the problem of the needle body that causes fracture.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of bone marrow aspiration that Fig. 1 provides for the embodiment of the present application is gathered the structural representation of pin;
A kind of bone marrow aspiration that Fig. 2 provides for the embodiment of the present application is gathered the partial enlarged drawing of the needle tubing of pin.
The specific embodiment
In order to make those skilled in the art person understand technical scheme among the application better, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
Fig. 1 is the structural representation that a kind of bone marrow aspiration of the embodiment of the present application is gathered pin.
As shown in Figure 1, the main body of this marrow puncture needle is a needle tubing 1, and needle tubing 1 is the body of hollow structure, and its front end 11 is a sealed end, and the front end 11 of needle tubing 1 is a wedge shaped tip.In the embodiment of the present application, in order to gather bone marrow heavy dose ofly, the internal diameter of needle tubing 1 is chosen as 2mm, and the dynamics in order to guarantee to puncture, and the material of needle tubing 1 is a metal material.
A kind of bone marrow aspiration that Fig. 2 provides for the embodiment of the present application is gathered the partial enlarged drawing of the needle tubing of pin.
As shown in Figure 2, side at needle tubing 1 is provided with a plurality of inlet openings 2 near the needle point place, a plurality of inlet openings 2 are positioned on two circumference, promptly being two rows on needle tubing 1 distributes, and two row's inlet openings 2 are different with the distance at needle tubing 1 tip, and a plurality of inlet openings 2 are not point-blank on described needle tubing axis direction in addition.In the embodiment of the present application, the number of inlet opening 2 is 4, and 4 inlet openings 2 are two rows and distribute, and every row is provided with two inlet openings.The internal diameter of inlet opening 2 is chosen as 5mm, and is no more than 10mm apart from the distance of needle tubing 1 front end 11 inlet opening 2 farthest and needle tubing 1 front end 11, is provided with drainage screen 3 in addition on each inlet opening 2.
This bone marrow aspiration that the embodiment of the present application provides is gathered pin, when puncturing collection bone marrow, can directly needle tubing 1 be inserted pulp cavity downwards, because the front end 11 of needle tubing 1 is a blind end, so can avoid the sclerotin blocking problem.After puncture puts in place, connect syringe or other negative pressure equipments carry out negative pressure extracting at the end of needle tubing 1.Because it is different apart from the distance of needle tubing 1 front end to be positioned at needle tubing 1 lateral a plurality of inlet openings 2, therefore this bone marrow aspiration collection pin carries out one-time puncture, just can from a plurality of inlet openings 2, extract different directions, and highly different a plurality of planar bone marrow, improved bone marrow collection efficient, and can avoid frequently moving up and down puncture needle and the problem of the needle body that causes fracture.Distal-most end is 10mm near the inlet opening at backshank place apart from needle point, can avoid because depth of needle is shallow excessively, and inlet opening 2 does not reach pulp cavity and extracts peripheral blood, and then cause the diluted problem of bone marrow that extracted.
In addition, each inlet opening 2 is provided with drainage screen 3, when extracting bone marrow, just can directly big cake mass in the bone marrow be filtered out, thereby contain big cake mass in the bone marrow of avoiding being drawn into like this.In order to guarantee big cake mass in the bone marrow fully can be filtered, in the embodiment of the present application, drainage screen 3 is chosen as 200～300 purpose rustless steel drainage screens.
In addition, for convenience operator control needle tubing 1 when puncture, as shown in Figure 1, also are provided with portion of the handle 4 at the end of needle tubing 1, and portion of the handle 4 is fixed on the end of needle tubing 1, and portion of the handle 4 is provided with anti-skidding stricture of vagina.Portion of the handle 4 only is enclosed in the outside of needle tubing 1, and the end of needle tubing 1 can be connected with syringe or other negative pressure equipments.
Operator can know the understanding paracentesis depth when puncture for convenience, in the embodiment of the present application, as shown in Figure 2, also are provided with graduation apparatus 5 in the side of needle tubing 1.By the graduation apparatus 5 that is provided with, operator can see depth of needle intuitively, therefore can control paracentesis depth preferably.
By as seen with technical scheme, this bone marrow aspiration that last the embodiment of the present application provides is gathered in the pin, the front end of needle tubing is most advanced and sophisticated for sealing, side at needle tubing is provided with two row's inlet openings near the needle point place, and two row's inlet openings are different with the distance of needle tubing front end, and are provided with drainage screen on each inlet opening.Using this bone marrow aspiration to gather pin punctures when gathering, can directly needle tubing be inserted pulp cavity downwards, and need not consider that sclerotin stops up the problem of puncture needle, after puncture puts in place, connect negative pressure equipment at the end of needle tubing, can extract bone marrow from inlet opening,, therefore can when extracting, filter the bulk matter in the bone marrow owing to be provided with drainage screen on each inlet opening.In addition owing to be a plurality of inlet openings that two rows distribute, every row is different with the front end distance of needle tubing, and at a plurality of inlet openings on the needle tubing axial direction not on same straight line, so when extracting, can extract different directions, and highly different a plurality of planar bone marrow has improved bone marrow collection efficient, and can avoid frequently moving up and down puncture needle and the problem of the needle body that causes fracture.
The above only is the application's a preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined herein General Principle can realize under the situation of the spirit or scope that do not break away from the application in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (5)
1. a bone marrow aspiration is gathered pin, it is characterized in that, comprising: the needle tubing of hollow structure, described needle tubing front end is provided with a plurality of inlet openings, and is provided with drainage screen on each described inlet opening for the wedge shaped tip of sealing in the side of described needle tubing.
2. bone marrow aspiration according to claim 1 is gathered pin, it is characterized in that the distance of described a plurality of inlet openings and described needle tubing front end is at 0～10mm.
3. bone marrow aspiration according to claim 2 is gathered pin, it is characterized in that described a plurality of inlet openings are positioned on two circumference, and at the above a plurality of inlet opening of described needle tubing axis direction not point-blank.
4. bone marrow aspiration according to claim 1 is gathered pin, it is characterized in that, further comprises: portion of the handle is fixed on the end of described needle tubing.
5. bone marrow aspiration according to claim 1 is gathered pin, it is characterized in that the side of described needle tubing is provided with graduation apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100542548A CN102100576A (en) | 2011-03-08 | 2011-03-08 | Marrow puncture and collection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100542548A CN102100576A (en) | 2011-03-08 | 2011-03-08 | Marrow puncture and collection needle |
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| Publication Number | Publication Date |
|---|---|
| CN102100576A true CN102100576A (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100542548A Pending CN102100576A (en) | 2011-03-08 | 2011-03-08 | Marrow puncture and collection needle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104622543A (en) * | 2015-01-07 | 2015-05-20 | 马卫武 | Pericardium puncture assembly |
| CN110917416A (en) * | 2019-12-17 | 2020-03-27 | 西安交通大学医学院第一附属医院 | Hydrops discharging equipment for oncologic nursing |
| CN111436975A (en) * | 2020-04-03 | 2020-07-24 | 山东省千佛山医院 | Children's marrow puncture collection needle and subassembly thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2501461Y (en) * | 2001-11-01 | 2002-07-24 | 郏建臣 | Disposable puncturing needle for abdomen |
| US20050171467A1 (en) * | 2004-01-30 | 2005-08-04 | Jaime Landman | Multiple function surgical device |
| CN201346216Y (en) * | 2009-01-22 | 2009-11-18 | 姚淑颖 | Disposable lumbar puncture needle |
| CN201492486U (en) * | 2009-06-10 | 2010-06-02 | 西安同享医疗科技有限公司 | Multipurpose medical puncture needle |
-
2011
- 2011-03-08 CN CN2011100542548A patent/CN102100576A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2501461Y (en) * | 2001-11-01 | 2002-07-24 | 郏建臣 | Disposable puncturing needle for abdomen |
| US20050171467A1 (en) * | 2004-01-30 | 2005-08-04 | Jaime Landman | Multiple function surgical device |
| CN201346216Y (en) * | 2009-01-22 | 2009-11-18 | 姚淑颖 | Disposable lumbar puncture needle |
| CN201492486U (en) * | 2009-06-10 | 2010-06-02 | 西安同享医疗科技有限公司 | Multipurpose medical puncture needle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104622543A (en) * | 2015-01-07 | 2015-05-20 | 马卫武 | Pericardium puncture assembly |
| CN104622543B (en) * | 2015-01-07 | 2017-02-01 | 马卫武 | Pericardium puncture assembly |
| CN110917416A (en) * | 2019-12-17 | 2020-03-27 | 西安交通大学医学院第一附属医院 | Hydrops discharging equipment for oncologic nursing |
| CN111436975A (en) * | 2020-04-03 | 2020-07-24 | 山东省千佛山医院 | Children's marrow puncture collection needle and subassembly thereof |
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Application publication date: 20110622 |