CN208769842U - A kind of marrow puncture needle - Google Patents
A kind of marrow puncture needle Download PDFInfo
- Publication number
- CN208769842U CN208769842U CN201820514111.8U CN201820514111U CN208769842U CN 208769842 U CN208769842 U CN 208769842U CN 201820514111 U CN201820514111 U CN 201820514111U CN 208769842 U CN208769842 U CN 208769842U
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- Prior art keywords
- boss
- cylinder seat
- needle core
- marrow puncture
- face
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Abstract
The utility model discloses a kind of marrow puncture needle, including needle core base, cylinder seat, needle core base, the inside of cylinder seat is hollow structure, the end face of needle core base is provided with boss, the end face of cylinder seat is provided with concave station, the both ends of cylinder seat are provided with card slot, the height of boss and the depth of concave station are identical, the end face of boss and the end face of concave station are concordant, the left and right ends of boss are provided with the clamping part docked with card slot, the upper and lower ends of boss are provided with closure docking block, closure docking block includes clamping block, protrusion, clamping block and the thickness of protrusion are all larger than the thickness of boss.It assembles and consolidates between syringe and needle core, avoid falling off, needle core unloading is convenient, mitigates patient's pain, facilitates the work of medical worker, and safety and sanitation meet medical requirement, and it is novel in design, it is a kind of good innovation scheme, is very promising for marketing..
Description
Technical field
The utility model relates to medical supplies, more particularly to a kind of marrow puncture needle.
Background technique
Marrow puncture needle is marrow inspection by sampling equipment relatively conventional in a kind of clinical treatment, not with use demand
Disconnected to improve, higher requirements are also raised for service performance of the medical worker to marrow puncture needle.
When clinical definite disease in the blood system, bone marrow aspiration is most important and most basic inspection item, and bone marrow cell applies
The purpose of piece is to judge karyocyte hyperplasia degree, calculates percentage, form, quantity and the distribution situation of various types of cells.And bone
Marrow biopsy is that the cylindrical bone myeloid tissue of about 0.5~1 centimeter length of a fritter is taken to do pathological examination.The material of taking-up is kept
Complete myeloid tissue structure, can overcome the disadvantages that the deficiency of bone marrow aspiration.It not only will appreciate that the ingredient and initial cell of bone marrow cell
Distribution situation, and cellular morphology can be observed, convenient for making pathological diagnosis.Some disease (such as: leukaemia) single bone marrow aspirations
It can make a definite diagnosis, and the diagnosis of some diseases (such as: myelodysplastisches disease, alpastic anemia, myelofibrosis) needs
It can just be made a definite diagnosis in conjunction with bone marrow biopsy.Syringe and needle core are cooperated using card column in clinical manipulation at present, reduce the effect of doctor's operation
Rate, there is deficiencies.
In conclusion in view of the drawbacks of the prior art, it is accordingly required in particular to a kind of marrow puncture needle, to solve the prior art not
Foot.
Utility model content
For the deficiencies in the prior art, the operating efficiency of marrow puncture needle is influenced, the utility model proposes one kind
Marrow puncture needle, novel in design, portable construction can quickly split needle core and syringe, and practical performance is excellent, has solved
The defect of the prior art.
To achieve the goals above, the technical solution of the utility model is as follows:
A kind of marrow puncture needle, including needle core base, cylinder seat, needle core base, cylinder seat inside be hollow structure, needle core
The end face of seat is provided with boss, and the end face of cylinder seat is provided with concave station, and the both ends of cylinder seat are provided with card slot, the height of boss with
The depth of concave station is identical, and the end face of boss and the end face of concave station are concordant, and the left and right ends of boss are provided with to carry out pair with card slot
The clamping part connect, the upper and lower ends of boss are provided with closure docking block, and closure docking block includes clamping block, protrusion, clamping
Block and the thickness of protrusion are all larger than the thickness of boss.
Further, the material that the needle core base and cylinder seat use is polypropylene for medical article.
Further, the inside of the needle core base connects needle core by connecing column, and the bottom of cylinder seat is provided with syringe, needle core
Identical with the axle center of syringe, the centre of cylinder seat is provided with and connects the stud of column cooperation, offers access needle at the center of stud
The through-hole of core.
Further, the reinforcing rib for being internally provided with intersection and putting of the cylinder seat.
Further, the shape of the card slot and clamping part is trapezoidal.
Further, for the clamping block of the boss upper and lower end faces in diagonal distribution, the bottom of clamping block offers chamfering.
Further, the protrusion of the boss upper and lower end faces is in diagonal distribution.
Further, the clamping block and the thickness of protrusion are 0.5mm-1mm bigger than the thickness of boss.
It being consolidated the beneficial effects of the utility model are: being assembled between syringe and needle core, avoids falling off, needle core unloading is convenient,
Mitigating patient's pain, facilitates the work of medical worker, safety and sanitation meet medical requirement, and it is novel in design, it is a kind of wound well
New departure is very promising for marketing..
Detailed description of the invention
It is described in detail the utility model with reference to the accompanying drawings and detailed description:
Fig. 1 is the cylinder seat plane structure chart of the utility model；
Fig. 2 is the utility model needle core base plane structure chart；
Fig. 3 is the utility model shape assumption diagram.
Fig. 4 is the structure chart of the utility model clamping block.
100- needle core base in figure, 110- cylinder seat, 120- syringe, 130- needle core, 140- stud, 150- through-hole, 160- add
Strengthening tendons, 170- card slot, 180- connect column, 190- boss, 200- clamping part, 210- clamping block, 220- protrusion.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of marrow puncture needle, including needle core base 100, cylinder seat 110, needle core base 100,
The inside of cylinder seat 110 is hollow structure, and the end face of needle core base 100 is provided with boss 190, the end face setting of cylinder seat 110
There is concave station, the both ends of cylinder seat 110 are provided with card slot 170, and the height of boss 190 and the depth of concave station are identical, the end of boss 190
Face is concordant with the end face of concave station, and the left and right ends of boss 190 are provided with the clamping part 200 docked with card slot 170, boss
190 upper and lower ends are provided with closure docking block, and closure docking block includes clamping block 210, protrusion 220,210 He of clamping block
The thickness of protrusion 220 is all larger than the thickness of boss 190.
The material that needle core base 100 and cylinder seat 110 use is polypropylene for medical article.The inside of needle core base 100 is by connecing column
180 connection needle cores 130, the bottom of cylinder seat 110 are provided with syringe 120, and needle core 130 is identical with the axle center of syringe 120, cylinder seat
110 centre is provided with and connects the stud 140 of the cooperation of column 180, and the through-hole of access needle core 130 is offered at the center of stud 140
150.Cylinder seat 110 is internally provided with the reinforcing rib 160 for intersecting and putting.The shape of card slot 170 and clamping part 200 is in ladder
Shape.For the clamping block 210 of 190 upper and lower end faces of boss in diagonal distribution, the bottom of clamping block 210 offers chamfering.On boss 190
The protrusion 220 of lower both ends of the surface is in diagonal distribution.Clamping block 210 and the thickness of protrusion 220 are 0.5mm- bigger than the thickness of boss 190
1mm。
Working principle are as follows: the needle core of needle core base is penetrated into inside syringe by the through-hole among cylinder seat, needle core base it is convex
Platform is embedded just below the concave station in cylinder seat, and the clamping part of needle core base two sides is fallen in inside the card slot of cylinder seat two sides, Er Qiezhen
The upper and lower end face of core print seat is provided with closure docking block, protrusion, and clamping block is all larger than the thickness of boss, closed pair with raised thickness
The elasticity that block is conducive to polypropylene for medical article is connect, the inner wall of cylinder seat can be easily connected to, completes the card of needle core base and cylinder seat
Slightly protrusion, clamping block can firmly be transferred to from cylinder seat inner wall, be released when connecing, and very stable, and separating
The separation of cylinder seat and needle core base can be completed.
And the utility model is provided with the poker used that matches, sampling shovel and sampling pipe, more convenient pair
Myeloid tissue is extracted, and practical performance is excellent.
It being consolidated the beneficial effects of the utility model are: being assembled between syringe and needle core, avoids falling off, needle core unloading is convenient,
Mitigating patient's pain, facilitates the work of medical worker, safety and sanitation meet medical requirement, and it is novel in design, it is a kind of wound well
New departure is very promising for marketing..
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and
Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model originally
Utility model will also have various changes and improvements, and these various changes and improvements fall within the scope of the claimed invention.
The utility model requires protection scope is defined by appended claims and its equivalent.
Claims (8)
1. a kind of marrow puncture needle, including needle core base, cylinder seat, needle core base, cylinder seat inside be hollow structure, feature
Be: the end face of needle core base is provided with boss, and the end face of cylinder seat is provided with concave station, and the both ends of cylinder seat are provided with card slot, convex
The height of platform and the depth of concave station are identical, and the end face of boss and the end face of concave station are concordant, the left and right ends of boss be provided with
The clamping part that card slot is docked, the upper and lower ends of boss be provided with closure docking block, closure docking block include clamping block,
The thickness of protrusion, clamping block and protrusion is all larger than the thickness of boss.
2. a kind of marrow puncture needle according to claim 1, it is characterised in that: the material that the needle core base and cylinder seat use
Matter is polypropylene for medical article.
3. a kind of marrow puncture needle according to claim 1, it is characterised in that: the inside of the needle core base is connected by connecing column
Needle core, the bottom of cylinder seat are provided with syringe, and needle core is identical with the axle center of syringe, and the centre of cylinder seat is provided with and connects column cooperation
Stud, the through-hole of access needle core is offered at the center of stud.
4. a kind of marrow puncture needle according to claim 1, it is characterised in that: the cylinder seat is internally provided with intersection
The reinforcing rib put.
5. a kind of marrow puncture needle according to claim 1, it is characterised in that: the shape of the card slot and clamping part is in
It is trapezoidal.
6. a kind of marrow puncture needle according to claim 1, it is characterised in that: the clamping block of the boss upper and lower end faces
In diagonal distribution, the bottom of clamping block offers chamfering.
7. a kind of marrow puncture needle according to claim 1, it is characterised in that: the protrusion of the boss upper and lower end faces is in
Diagonal distribution.
8. a kind of marrow puncture needle according to claim 1, it is characterised in that: the thickness of the clamping block and protrusion compares
The big 0.5mm-1mm of the thickness of boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514111.8U CN208769842U (en) | 2018-04-12 | 2018-04-12 | A kind of marrow puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514111.8U CN208769842U (en) | 2018-04-12 | 2018-04-12 | A kind of marrow puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208769842U true CN208769842U (en) | 2019-04-23 |
Family
ID=66140840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820514111.8U Active CN208769842U (en) | 2018-04-12 | 2018-04-12 | A kind of marrow puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208769842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842410A (en) * | 2021-03-26 | 2021-05-28 | 上海埃斯埃医疗技术有限公司 | Disposable bone marrow puncture biopsy needle |
-
2018
- 2018-04-12 CN CN201820514111.8U patent/CN208769842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842410A (en) * | 2021-03-26 | 2021-05-28 | 上海埃斯埃医疗技术有限公司 | Disposable bone marrow puncture biopsy needle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 200001 Room 501, 506 and 510, 1-4 / F, building 12, 2755 Sanlu Road, Minhang District, Shanghai Patentee after: Shanghai ace Medical Technology Co.,Ltd. Address before: 200001 Shanghai City, Huangpu District Road No. 132 in bamboo bamboo Patentee before: SHANGHAI SA MEDICAL & PLASTIC INSTRUMENTS Co.,Ltd. |