CN201453302U - Semiautomatic device for collecting marrow - Google Patents
Semiautomatic device for collecting marrow Download PDFInfo
- Publication number
- CN201453302U CN201453302U CN2009200756352U CN200920075635U CN201453302U CN 201453302 U CN201453302 U CN 201453302U CN 2009200756352 U CN2009200756352 U CN 2009200756352U CN 200920075635 U CN200920075635 U CN 200920075635U CN 201453302 U CN201453302 U CN 201453302U
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- CN
- China
- Prior art keywords
- bone marrow
- needle
- handle
- marrow
- peristaltic pump
- 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 - Lifetime
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Abstract
The utility model provides a semiautomatic device for collecting marrow. The semiautomatic device comprises a marrow puncture needle, a sealed collection bottle, a mini-type swing bed, a vacuum peristaltic pump, and a negative adsorption pipe, wherein, the marrow puncture needle, the sealed collection bottle, the mini-type swing bed, the vacuum peristaltic pump, and the negative adsorption pipes are connected in sequence; the marrow puncture needle is provided with a handle and no needle core; the sealed collection bottle is used for collecting marrow stem cells; the mini-type swing bed is used for placing the collection bottle; the vacuum peristaltic pump is used for producing negative pressure; and the negative adsorption pipe is connected with the handle, the collection bottle and the vacuum peristaltic pump. The semiautomatic device adopts the structure that a coniform needle head with edges is arranged at the front end of the marrow puncture needle; a side hole communicated with the cavity of a needle tube is formed on the needle tube on one side at the back part of the coniform needle head; the tail part of the marrow puncture needle is connected with the handle; a negative pressure hand control button is arranged on the handle; one side of the middle part of the handle is connected with a transparent plastic negative adsorption pipe; the other end of a negative adsorption pipe is inserted into the cover of the sealed collection bottle; and another negative adsorption pipe connected with the collection bottle and the vacuum peristaltic pump is arranged on the cover of the collection bottle. The device provided by the utility model has the advantages that the procedure is simplified; the clinical operability is strong; and the technology that marrow stem cells are collected in larger volume in the therapeutic field of marrow stem cells is realized.
Description
[technical field]
This utility model relates to the apparatus of medical extraction, processing or transferring body fluid, and the clinical bone marrow stem cell harvester of specifically a kind of orthopaedics especially relates to a kind of device that the larger capacity bone marrow stem cell is gathered that is applied to.
[background technology]
Existing bone marrow collection device is the sampling observation that is used for bone marrow stem cell or myeloid tissue mostly, is made up of trocar seat, puncture needle, nook closing member and syringe usually.Use the general step of this type of harvester to be: earlier nook closing member to be inserted in the sleeve pipe marrow puncture needle, the nook closing member tip is flushed with the bone marrow aspiration syringe needle, after puncture puts in place, extract nook closing member again, change the suction that syringe carries out bone marrow stem cell.This class device is generally used for the extraction to a small amount of bone marrow stem cell, or carries out cytological inspections such as smear.
But, often there is big difficulty when using this class marrow puncture device to gather more bone marrow stem cell, often need multiple spot, multi-level, multi-direction carrying out because gather more bone marrow stem cell, and existing apparatus can only be gathered several milliliters of bone marrow stem cells at every turn on each collection position, otherwise cause the dilution of bone marrow stem cell easily, reduced the collecting efficiency of bone marrow stem cell.In addition, when needs are adjusted the bone marrow collection position with acquisition optimal acquisition effect, above-mentioned harvester need plug nook closing member repeatedly, change syringe, transfer take out bone marrow stem cell, so, not only increase the difficulty of acquisition operations, polluted harvester easily, and be easy to cause the waste of gathering bone marrow.
A kind of femoral bone cavitas medullaris lavation stirring-type bone marrow collection device was once disclosed in the Chinese patent literature, the acquisition mode of this device is to put pipe by the long bone medullary cavity is windowed, use the normal saline lavation then, simultaneously the pulp cavity content is stirred, and be aided with suction, can be used for gathering relatively large bone marrow stem cell.But, need surgical incision until long bone when adopting this device to gather, this can cause big wound to the patient, and simultaneously, the step of collection is also complicated.In addition, when carrying out this kind collection owing to need the lavation of normal saline, bone marrow stem cell can be by Macrodilution, causing effective ingredient in the content that is collected---bone marrow stem cell content is less, need secondary centrifuging to concentrate, therefore, in clinical, use this acquisition mode still to have many deficiencies.
[utility model content]
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of manual multiple spot, multi-level, multi-direction semi-automatic bone marrow collection device are provided, and realizes the volume bone marrow stem cell is gathered, and is convenient to into clinical practice.
To achieve these goals, the technical scheme taked of this utility model is:
A kind of semi-automatic bone marrow collection device comprises the marrow puncture needle that handle does not have nook closing member that has that connects successively; Be used to gather the sealing receiving flask of bone marrow stem cell, on its bottle wall scale arranged; Place the miniature table of receiving flask; Be used to produce the vacuum peristaltic pump of negative pressure, and the negative suction pipe of joint handle, receiving flask and vacuum peristaltic pump; The taper syringe needle that has seamed edge is located at the front end of marrow puncture needle; On the needle tubing of the side, rear portion of taper syringe needle, there is a side opening to be communicated with the needle tubing cavity; The afterbody of marrow puncture needle is provided with semicircle camber handle, and handle is provided with the negative pressure manual buttons; Side, handle middle part is connected with the negative suction pipe of a transparent plastic, and the other end of negative suction pipe inserts sealing and collects bottle cap; Receiving flask covers has a negative suction pipe that receiving flask is connected with the vacuum peristaltic pump in addition.
The syringe needle diameter of described taper syringe needle is more than or equal to the needle tubing of marrow puncture needle.
Establish side opening in addition above the offside of the side opening on the described bone marrow aspiration needle tubing, each side opening all is communicated with the needle tubing cavity.
Described receiving flask body below is provided with diversion switch in addition, is connected with medical collection container, and the bone marrow stem cell of having gathered flows into medical collection container thus.
Described receiving flask is positioned on a miniature table or other shaking devices, gathers bone marrow stem cell and rocks at shaking table or other shaking devices simultaneously among a small circle light and slowly, promotes that bone marrow fully mixes with anticoagulant, avoids marrow blood to condense.
Described vacuum peristaltic pump is characterised in that this pump can produce the intermittent negative pressure of low frequency, can realize stepless modified tone by button control on the handle of above-mentioned bone marrow collection pin.
When using this utility model, at first utilize aseptic bone marrow spike pierces skin, after the localised puncture success, start the vacuum peristaltic pump and produce the intermittent negative pressure of low frequency, also can push the button on the handle, excite the vacuum peristaltic pump to produce negative pressure; Bone marrow stem cell flows into harvester by the side opening on the marrow puncture needle needle tubing, can accurately determine the bone marrow amount of collection according to manometric show value, the bone marrow stem cell that collects flows in the anticoagulant receiving flask of heparinization via negative suction pipe, simultaneously, the shaking table of placing receiving flask continues to rock among a small circle, prevents that the marrow blood of being gathered from condensing; Reach the amount that needs until the bone marrow stem cell of gathering.
Good effect of the present utility model is:
1. overcome the ubiquitous shortcoming of existing harvester, the long bone that need not wound is windowed and the interior lavation of marrow, has reduced the patient because of the wound that bone marrow collection causes, and the bone marrow that collects is the red bone marrow that has more clinical value.
2. manual multiple spot, multi-level, multi-direction drainage pattern are combined with vacuum peristaltic pump low frequency intermittent generation negative pressure and bone marrow receiving flask, avoided bone marrow aspiration in the prior art, negative inhale gather bone marrow, shift collect bone marrow, bone marrow rocks with isolating drawbacks of many steps such as anticoagulant fully mix, simplified procedures, improved operability clinically, be convenient to gather the high capacity bone marrow stem cell thereby reach.
[description of drawings]
Fig. 1 is the structural representation of semi-automatic bone marrow collection device of the present utility model;
Fig. 2 is the taper syringe needle of bone marrow collection pin and the structure enlarged drawing of side opening.
Label among the figure is respectively:
1, vacuum peristaltic pump, 2, Pressure gauge, 3, receiving flask,
4, diversion switch, 5, handle, 6, the negative pressure manual buttons,
7, puncture needle, 8, the taper syringe needle, 9, negative suction pipe,
10, first side opening, 11, second side opening, 12 shaking tables.
[specific embodiment]
Provide the specific embodiment of the semi-automatic bone marrow collection device of this utility model below in conjunction with accompanying drawing, but this utility model is not limited to following embodiment.
As shown in Figure 1, this utility model main body comprises connection successively: one has the marrow puncture needle 7 that handle does not have nook closing member; Be used to gather the sealing receiving flask 3 of bone marrow stem cell; Place the miniature table 12 of receiving flask; Be used to produce the vacuum peristaltic pump 1 of negative pressure; With joint handle 5, the front end of negative suction pipe 9. marrow puncture needles 7 of receiving flask 3 and vacuum peristaltic pump 1 is established the taper syringe needle 8 that has seamed edge, the syringe needle diameter greater than or bone marrow aspiration needle tubing 10, the syringe needle internal diameter is 0.8-1.0mm, on the needle tubing of the side, rear portion of taper syringe needle 8 (diameter 1.8-2.0mm), one first side opening 10 is arranged, simultaneously be provided with one second side opening 11 in addition away from the direction of taper syringe needle at the offside of first side opening, to guarantee collection effect. the afterbody of marrow puncture needle is provided with handle 5, handle is made by transparent plastic, handle 5 is provided with negative pressure manual buttons 6, with the control vacuum magnitude. side, handle 5 middle part is connected with the negative suction pipe 9 (internal diameter 4-6mm) of a transparent plastic, the other end of negative suction pipe 9 inserts sealing and collects bottle cap 3, liquid is gone on receiving flask 3. receiving flasks 3 bottle caps to have a negative suction pipe 9 that receiving flask 3 is connected with vacuum peristaltic pump 1 in addition by drain by this negative suction pipe in the marrow puncture needle 7. when gathering bone marrow, receiving flask 3 places on the miniature table 12, shaking table 12 rocks among a small circle light and slowly, promote that bone marrow fully mixes with anticoagulant, avoid marrow blood to condense, the receiving flask below is provided with diversion switch 4 in addition, be connected with medical collection container, collect the bone marrow that collects.
During bone marrow aspiration,, can not stop up back first side opening 10 during inserting needle because the needle point conehead of marrow puncture needle 7 is bigger.If first side opening 10 is blocked when gathering, second side opening 11 still can be gathered bone marrow stem cell.In addition, sealing taper needle point that this collection pin uses and back side opening design need not inner core, can extract bone marrow immediately after puncture, when having avoided the conversion puncture position, and the frequent replacing between nook closing member and syringe.Handle 5 and sealing are collected 3 of bottle caps and are connected by the negative suction pipe 9 of transparent plastic, have a negative suction pipe 9 that receiving flask 3 is connected with vacuum peristaltic pump 1 on receiving flask 3 bottle caps in addition, thereby guarantee that marrow puncture needle 7, receiving flask 3 are consistent with the pressure of vacuum peristaltic pump 1.This vacuum peristaltic pump 1 can produce the intermittent negative pressure of low frequency, when bone marrow stem cell is gathered, vacuum peristaltic pump 1 produces the 10-15 negative pressure of second, 5-15 second intermittently subsequently, and shaking table 4 rocks among a small circle light and slowly, play promotion bone marrow and fully mix, avoid the agglomerative effect of bone marrow stem cell with anticoagulant.Simultaneously because receiving flask 3 self the bottle end is heavier, receiving flask self can not topple when having guaranteed that shaking table rocks.The receiving flask below is provided with diversion switch 4 in addition, is connected with medical collection container, collects the bone marrow that collects.
Claims (4)
1. semi-automatic bone marrow collection device is characterized in that it comprises to connect successively: have handle and do not have the marrow puncture needle of nook closing member; Be used to gather the sealing receiving flask of bone marrow stem cell; Place the miniature table of receiving flask; Be used to produce the vacuum peristaltic pump of negative pressure, and the negative suction pipe of joint handle, receiving flask and vacuum peristaltic pump.
2. semi-automatic bone marrow collection device as claimed in claim 1 is characterized in that the syringe needle of described marrow puncture needle is the conehead that has seamed edge, and the syringe needle diameter is more than or equal to the bone marrow aspiration needle tubing, and backshank is provided with the hands handle of negative pressure manual buttons; Marrow puncture needle syringe intracavity hollow has a side opening at the bone marrow aspiration needle tubing near the part of taper syringe needle, is provided with a side opening in addition simultaneously above the offside of this side opening, and two side holes all is communicated with the needle tubing cavity.
3. semi-automatic bone marrow collection device as claimed in claim 1 is characterized in that, described receiving flask body below is provided with rewind switch.
4. semi-automatic bone marrow collection device as claimed in claim 1 is characterized in that, has control knob on the handle of marrow puncture needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200756352U CN201453302U (en) | 2009-07-31 | 2009-07-31 | Semiautomatic device for collecting marrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200756352U CN201453302U (en) | 2009-07-31 | 2009-07-31 | Semiautomatic device for collecting marrow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201453302U true CN201453302U (en) | 2010-05-12 |
Family
ID=42380643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200756352U Expired - Lifetime CN201453302U (en) | 2009-07-31 | 2009-07-31 | Semiautomatic device for collecting marrow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201453302U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420463A (en) * | 2018-03-20 | 2018-08-21 | 温州市中心医院 | A kind of hematology's marrow puncture needle |
| CN112075958A (en) * | 2019-06-13 | 2020-12-15 | 上海交通大学医学院附属第九人民医院 | Puncture sampling device |
| CN114668428A (en) * | 2022-03-31 | 2022-06-28 | 四川大学华西医院 | Bone marrow puncture device |
-
2009
- 2009-07-31 CN CN2009200756352U patent/CN201453302U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420463A (en) * | 2018-03-20 | 2018-08-21 | 温州市中心医院 | A kind of hematology's marrow puncture needle |
| CN112075958A (en) * | 2019-06-13 | 2020-12-15 | 上海交通大学医学院附属第九人民医院 | Puncture sampling device |
| CN114668428A (en) * | 2022-03-31 | 2022-06-28 | 四川大学华西医院 | Bone marrow puncture device |
| CN114668428B (en) * | 2022-03-31 | 2023-05-09 | 四川大学华西医院 | Bone marrow puncture device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |