CN105496469B - A kind of marrow puncture needle - Google Patents
A kind of marrow puncture needle Download PDFInfo
- Publication number
- CN105496469B CN105496469B CN201610008342.7A CN201610008342A CN105496469B CN 105496469 B CN105496469 B CN 105496469B CN 201610008342 A CN201610008342 A CN 201610008342A CN 105496469 B CN105496469 B CN 105496469B
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- Prior art keywords
- needle
- needle core
- core
- needle guard
- guard
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
- A61B2010/0258—Marrow samples
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Hematology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rheumatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention provides a kind of marrow puncture needles, comprising: needle guard, needle core and limit sleeve；The head end of needle core is equipped with puncture portion, and needle core and needle guard are respectively equipped with mutually matched first connecting portion and second connecting portion；Needle core and needle guard are connected with each other by first connecting portion and second connecting portion along the length direction of needle core, so that needle guard is sheathed on the outside of needle core and are exposed puncture portion；Limit sleeve has the through-hole of a size corresponding with the needle core along its longitudinal direction, and the outer surface of limiting section has the groove of the connection through-hole along its longitudinal direction；Limit sleeve is fastened in the outside of the needle core by the groove and through-hole, and both ends with needle guard and needle core contact, move backward puncture portion along the length direction of needle core and accommodate to the needle guard respectively.A kind of above-mentioned marrow puncture needle shortens the time for puncturing sampling without taking out the i.e. mountable limit sleeve of needle core after puncture, also avoids taking out after needle core installation limit sleeve again insertable into the deviation for puncturing direction caused by needle core.
Description
Technical field
The present invention relates to a kind of puncture needle more particularly to a kind of marrow puncture needles.
Background technique
With the continuous improvement of people's living standards, each tumour also more and more betides human body.In clinic diagnosis mistake
Cheng Zhong mostly takes inspection technology using Biopsy when the swollen physical property matter of some tissues is unknown, by obtaining suspect tissue to it
It is qualitative to carry out pathology, and then gives further treatment, therefore Biopsy becomes the qualitative best approach of certain tissue tumors.
It is very important a kind of invasive Clinics during present clinical diagnosis and treatment that puncture, which takes inspection, although patient can be given
Wound is brought, but takes inspection unquestionable to the importance of clinic diagnosis, therefore can utmostly mitigate is one to the injury of patient
Kind necessarily requires.
During clinic diagnosis, when suspicious lesions not can determine that with its pathologic feature, guided frequently with medical image
Puncture needle (ultrasound, x-ray or CT) punctures suspicious lesions tissue, cuts a small amount of pathological tissues, determines lesion by pathological observation
Property.
The confused class of clinic biopsy needle is miscellaneous more now, discusses herein for marrow puncture needle.
It takes inspection process as follows:
1. puncture needle core, needle guard are correctly installed, it is exposed to the front end of needle core outside needle guard.
It is positioned 2. being guided by medical image, determines that puncture needle enters suspicious lesions tissue target area.
3. needle core is taken out from needle guard after puncture target determines, again by needle core after limit sleeve is installed in the end of needle guard
It is connect in insertion needle guard with limit sleeve.So that needle core is moved backward relative to needle guard, so that needle core front end is accommodated to needle guard.
4. the sampling portion of needle guard front end is made to be sampled cutting to suspicious lesions tissue target area.
5. exiting puncture needle, and take out the pathological tissues in sampling portion.
It can be seen that after needing completely to take out needle core after the completion of puncturing, installation limit sleeve, being inserted again in above-mentioned steps
Operation can be just sampled by entering needle core.Complex steps increase the complexity and operating time of puncturing operation, and frequently
It takes out and insertion needle core will cause the deviation for puncturing direction, so that the pathological tissues that the tissue that sampling obtains is not required to,
And need to carry out secondary puncture, increase pain to patient, also increases physical trauma and financial burden to patient.
Summary of the invention
The main technical problem to be solved by the present invention is to provide a kind of marrow puncture needles, without taking out needle after puncture
Core, that is, mountable limit sleeve, shorten puncture sampling time, also avoid take out needle core installation limit sleeve after again insertable into needle core
The deviation in caused puncture direction.
Secondary technical problem to be solved by this invention is to provide a kind of marrow puncture needle, after puncturing sampling, wears
Position is pierced there are an orientation casing, if desired when secondary sample, without being punctured again, reduces the pain of patient.
In order to solve the above technical problems, the present invention provides a kind of marrow puncture needles, comprising: needle guard, needle core and limit
Position set；The head end of the needle core is equipped with puncture portion, and the needle core and needle guard are respectively equipped with mutually matched first connecting portion and the
Two interconnecting pieces；The needle core and needle guard are connected with each other by first connecting portion and second connecting portion along the length direction of needle core,
So that the needle guard is sheathed on the outside of the needle core and exposes the puncture portion；
The limit sleeve has the through-hole of a size corresponding with the needle core, and the appearance of the limiting section along its longitudinal direction
Face has the groove of the connection through-hole along its longitudinal direction；The limit sleeve is fastened in the needle core by the groove and through-hole
Outside, both ends with needle guard and needle core contact, make the puncture portion move backward and receive along the length direction of needle core respectively
Hold to the needle guard.
In a preferred embodiment: the both ends of the limit sleeve connect with the first connecting portion and second connecting portion respectively
It connects.
In a preferred embodiment: the end of the needle guard and needle core is separately connected a grip part；The first connecting portion
It is set to the convex block that the grip part of the needle core connect with needle core side including one, the periphery two sides of the convex block are respectively equipped with
One limited block.
In a preferred embodiment: the second connecting portion includes being set to the grip part of the needle guard far from the needle guard
The accommodating cavity of side, the inner wall two sides of the accommodating cavity have a unidirectional card slot, first limited block clockwise with
The unidirectional card slot contact cooperation.
In a preferred embodiment: the one end side of the limit sleeve have mutual angle in 90 ° the first limit card slot and
Second limit card slot；The length of first limit card slot is greater than the length of the second limit card slot；By by the first limit card slot
Or second limit card slot and first limited block be clamped, adjust what the puncture portion was moved backward along the length direction of needle core
Length.
In a preferred embodiment: the other end side of the limit sleeve is equipped with the second limited block of mutual angle in 90 °；Institute
The second limited block is stated to cooperate with the unidirectional card slot contact clockwise.
In a preferred embodiment: further including an orientation casing, be sheathed on the outside of the needle guard.
In a preferred embodiment: one end of the orientation casing is equipped with slot；The grip part of the needle guard and needle guard connect
The one end connect has the rib with the slot grafting.
In a preferred embodiment: the length of the orientation casing is less than the length of the needle guard.
In a preferred embodiment: the front end of the needle guard has sampling portion.
Compared to the prior art, technical solution of the present invention have it is following the utility model has the advantages that
1. the present invention provides a kind of marrow puncture needle, since the outer surface of limit sleeve has a connection logical along its longitudinal direction
The groove in hole.Therefore, after puncture, medical staff only needs to move back needle core relative to needle guard, by the groove of limit sleeve
It is clamped with needle core, so that the through-hole of limit sleeve is arranged in the outside of needle core.Without being taken out needle core completely with regard to achievable limit
Position set installation, shorten puncture sampling time, also avoid take out needle core installation limit sleeve after again insertable into caused by needle core
Puncture direction deviation.
2. the both ends of limit sleeve connect with the grip part of needle guard and needle core respectively the present invention provides a kind of marrow puncture needle
It connects, ensure that the mounting stability and installation strength of limit sleeve.
3. the one end side of limit sleeve has the first limit of mutual angle in 90 ° the present invention provides a kind of marrow puncture needle
Position card slot and the second limit card slot；The length of first limit card slot is greater than the length of the second limit card slot.Medical staff can
With by need to sample tissue number, by by the first limit card slot or the second limit card slot and the first limited block card
It connects, adjusts the length that the puncture portion is moved backward along the length direction of needle core.
4. one end of limit sleeve passes through the grip part of the second limited block and needle guard the present invention provides a kind of marrow puncture needle
On the clamping of unidirectional card slot, installation and removal are all very simple, as long as rotating clockwise or counterclockwise limit sleeve.
5. the present invention provides a kind of marrow puncture needle, by the orientation casing of setting one and needle guard clamping, so that wearing
During thorn, which enters puncture position also with needle guard, after sampling, by releasing needle guard and orientation casing
Clamping relationship, so that it may taking out needle core and in the case where needle guard, orientation casing stayed in site of puncture, when medical staff needs
When carrying out secondary sample, directly needle core and needle guard are reinserted in human body and can be carried out again along the direction of orientation casing
Sampling.Without being punctured again, the pain of patient is reduced, the risk of puncturing operation is also reduced.
Detailed description of the invention
Fig. 1 is the schematic diagram of needle guard in the preferred embodiment of the present invention；
Fig. 2 is the schematic diagram of needle core in the preferred embodiment of the present invention；
Fig. 3 is the scheme of installation of needle core and needle guard in the preferred embodiment of the present invention；
Fig. 4 is the schematic diagram of limit sleeve in the preferred embodiment of the present invention；
Fig. 5 is the sectional view of limit sleeve in the preferred embodiment of the present invention；
Fig. 6 is the scheme of installation of limit sleeve and needle core, needle guard in the preferred embodiment of the present invention；
Fig. 7 is the schematic diagram that casing is oriented in the preferred embodiment of the present invention；
Fig. 8 is the scheme of installation that casing is oriented in the preferred embodiment of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
With reference to Fig. 1-3, a kind of marrow puncture needle, comprising: needle guard 1, needle core 2 and limit sleeve 3；The head end of the needle core 2 is set
There is puncture portion 21, the needle core 2 and needle guard 1 are respectively equipped with mutually matched first connecting portion 22 and second connecting portion 11；It is described
The length direction of needle core 2 and needle guard 1 by first connecting portion 22 and the second connection 21 along needle core 2 is connected with each other, and is made described
Needle guard 1 is sheathed on the outside of the needle core 2 and exposes the puncture portion 21.
The end of the needle guard 1 and needle core 2 is separately connected a grip part 12,23；The first connecting portion 22 is set including one
The grip part 23 for being placed in the needle core 2 connect the convex block 221 of side with needle core 2, and the periphery two sides of the convex block 221 are respectively equipped with
First limited block 222.
The second connecting portion 11 includes being set to the grip part 12 of the needle guard 1 far from the accommodating of 1 side of needle guard
The inner wall two sides of chamber 111, the accommodating cavity 111 have unidirectional card slot 112, and first limited block 222 is clockwise
Cooperate with unidirectional 112 contact of card slot.
When medical staff starts to puncture, needle core 2 is inserted into needle guard 1, is placed in convex block 221 in accommodating cavity 111, then
The grip part 23 of needle core 2 is rotated clockwise, contact is matched clockwise so that the first limited block 222 is with unidirectional card slot 112
It closes.At this point, needle core 2 and needle guard 1 are installed, the puncture portion 21 of needle core 2 is exposed to the outside of needle guard 1.Medical staff will install
Good needle core 2 and needle guard 1 carries out puncturing operation to patient, and when needle core 2 reaches affected area, piercing step is completed.
Later, it needs to be sampled step.It when sampling, needs to move back needle core 2 relative to needle guard 1, so that 1 front end of needle guard
Sampling portion 13 cutting sampling is carried out to the pathological tissue of affected area.In traditional sampling procedure, need needle core 2 completely from needle
It takes out in set 1, is again inserted into needle core 2 after limit sleeve then is installed on needle guard 1.The step is very cumbersome, and needs frequency
Numerous touching needle core 2 and needle guard 1 be easy to cause the deviation for puncturing direction, and increase the duration of entire puncturing operation.
In order to solve this problem, with reference to Fig. 4-6, in the present embodiment, the limit sleeve 3 has one and institute along its longitudinal direction
The through-hole 31 of the corresponding size of needle core 2 is stated, and the outer surface of the limiting section 3 has the connection through-hole 31 along its longitudinal direction
Groove 32.Therefore, in sampling procedure, medical staff only needs to move back needle core 2 relative to needle guard 1, by the groove of limit sleeve 3
32 are clamped with needle core 2, so that the through-hole 31 of limit sleeve 3 is arranged in the outside of needle core 1, just complete limit sleeve 3 and needle core 2
Be arranged installation, the puncture portion 21 made moves backward along the length direction of needle core 2 and accommodates to the needle guard 1.Cause
This, medical staff is not necessarily to taking out needle core 2 into the installation with regard to achievable limit sleeve 3 completely, shortens the time for puncturing sampling, also avoids
Needle core 2 is taken out to install after limit sleeve 3 again insertable into the deviation for puncturing direction caused by needle core 2.
The limit sleeve 3 is fastened in the outside of the needle core 2 by the groove 32 and through-hole 31, and both ends are respectively and respectively
It is connect with the first connecting portion 22 and second connecting portion 11.
Further, the one end side of the limit sleeve 3 has the first limit card slot 33 and the second limit of mutual angle in 90 °
Card slot 34；The length of first limit card slot 33 is greater than the length of the second limit card slot 34；By by the first limit card slot 33
Or second limit card slot 34 be clamped with first limited block 222, the puncture portion 21 can be adjusted along the length side of needle core 2
To the length moved backward.Medical staff can by need to sample tissue number, unrestricted choice pass through the first limit card slot
33 or second limit card slot 34 be clamped with first limited block 222.
The other end side of the limit sleeve 3 is equipped with the second limited block 35 of mutual angle in 90 °；Second limited block 35
Cooperate clockwise with unidirectional 112 contact of card slot.So that the both ends of limit sleeve 3 respectively with needle core 2 and needle
The cooperation of 1 contact is covered, ensure that the mounting stability and installation strength of limit sleeve 3.
With reference to Fig. 7-8, in the present embodiment, the marrow puncture needle further includes an orientation casing 4, is sheathed on the needle guard
1 outside, and its length is less than the length of the needle guard 1.One end of the orientation casing 4 is equipped with slot 41；The needle guard 1
The one end that is connect with needle guard 1 of grip part 12 there is the rib 14 with 41 grafting of slot.
In puncture process, which enters puncture position also with needle guard 1 and passes through releasing after sampling
The clamping relationship of needle guard 1 and orientation casing 4, so that it may in the case where taking out needle core 2 and needle guard 1, orientation casing 4 be stayed in and worn
Pierce position, when medical staff needs to carry out secondary sample, directly by needle core 2 and needle guard 1 along orientation casing 4 direction again
It can be sampled again in insertion human body.Without being punctured again, the pain of patient is reduced, puncturing operation is also reduced
Risk.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of marrow puncture needle, characterized by comprising: needle guard, needle core and limit sleeve；The head end of the needle core, which is equipped with, to be punctured
Portion, the needle core and needle guard are respectively equipped with mutually matched first connecting portion and second connecting portion；The needle core and needle guard pass through
First connecting portion and second connecting portion are connected with each other along the length direction of needle core, and the needle guard is made to be sheathed on the outer of the needle core
Portion simultaneously exposes the puncture portion；
The limit sleeve has the through-hole of a size corresponding with the needle core, and the outer surface edge of the limit sleeve along its longitudinal direction
Its longitudinal direction there is the groove of the connection through-hole；The limit sleeve is fastened in the outer of the needle core by the groove and through-hole
Portion, both ends respectively with needle guard and needle core contact, move backward the puncture portion along the length direction of needle core and accommodate to
In the needle guard.
2. a kind of marrow puncture needle according to claim 1, it is characterised in that: the both ends of the limit sleeve respectively with it is described
First connecting portion is connected with second connecting portion.
3. a kind of marrow puncture needle according to claim 2, it is characterised in that: the end of the needle guard and needle core connects respectively
Connect a grip part；The first connecting portion includes the convex block that a grip part for being set to the needle core connect side with needle core, institute
The periphery two sides for stating convex block are respectively equipped with the first limited block.
4. a kind of marrow puncture needle according to claim 3, it is characterised in that: the second connecting portion includes being set to institute
The grip part of needle guard is stated far from the accommodating cavity of the needle guard side, the inner wall two sides of the accommodating cavity have unidirectional card slot, described
First limited block can cooperate with the unidirectional card slot contact clockwise.
5. a kind of marrow puncture needle according to claim 4, it is characterised in that: the one end side of the limit sleeve has mutual
The first limit card slot and the second limit card slot of angle in 90 °；The length of first limit card slot is greater than the second limit card slot
Length；By the way that the first limit card slot or the second limit card slot and first limited block to be clamped, puncture portion edge is adjusted
The length that moves backward of length direction of needle core.
6. a kind of marrow puncture needle according to claim 4, it is characterised in that: the other end side of the limit sleeve is equipped with
Second limited block of mutual angle in 90 °；Second limited block can cooperate with the unidirectional card slot contact clockwise.
7. a kind of marrow puncture needle according to claim 1, it is characterised in that: further include an orientation casing, be sheathed on
The outside of the needle guard.
8. a kind of marrow puncture needle according to claim 7, it is characterised in that: one end of the orientation casing, which is equipped with, inserts
Slot；One end that the grip part of the needle guard is connect with needle guard has the rib with the slot grafting.
9. a kind of marrow puncture needle according to claim 7, it is characterised in that: the length of the orientation casing is less than described
The length of needle guard.
10. a kind of marrow puncture needle according to claim 1 to 9, it is characterised in that: the front end of the needle guard
With sampling portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008342.7A CN105496469B (en) | 2016-01-07 | 2016-01-07 | A kind of marrow puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008342.7A CN105496469B (en) | 2016-01-07 | 2016-01-07 | A kind of marrow puncture needle |
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| Publication Number | Publication Date |
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| CN105496469A CN105496469A (en) | 2016-04-20 |
| CN105496469B true CN105496469B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610008342.7A Active CN105496469B (en) | 2016-01-07 | 2016-01-07 | A kind of marrow puncture needle |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943090A (en) * | 2016-05-11 | 2016-09-21 | 山西医科大学第二医院 | Marrow puncture needle |
| CN106214188A (en) * | 2016-08-15 | 2016-12-14 | 山西医科大学第二医院 | A kind of novel myeloid biopsy needle |
| US11064980B2 (en) * | 2016-08-18 | 2021-07-20 | Lenkbar, Llc | Flexible tissue collection device |
| CN106725720A (en) * | 2017-03-03 | 2017-05-31 | 周晓光 | One kind bores bone device |
| CN111329561B (en) * | 2020-03-10 | 2023-02-07 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Puncture system and puncture guide method |
| CN118688093A (en) * | 2024-08-19 | 2024-09-24 | 宁德时代新能源科技股份有限公司 | A puncture device and a puncture system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205433758U (en) * | 2016-01-07 | 2016-08-10 | 孙龙 | Marrow puncture needle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19806693A1 (en) * | 1998-02-18 | 1999-08-19 | Daum Gmbh | Telescopically working needle and tube system for removal of tumor |
| CN2472674Y (en) * | 2001-03-27 | 2002-01-23 | 王洛平 | Sleeve type non- traumatic abdominal pucture needle |
| CN202365819U (en) * | 2011-10-20 | 2012-08-08 | 江亚军 | Novel myeloid biopsy needle |
| CN202740092U (en) * | 2012-02-27 | 2013-02-20 | 江苏省华星医疗器械实业有限公司 | Ventil type marrow puncture needle |
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2016
- 2016-01-07 CN CN201610008342.7A patent/CN105496469B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205433758U (en) * | 2016-01-07 | 2016-08-10 | 孙龙 | Marrow puncture needle |
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| CN105496469A (en) | 2016-04-20 |
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