CN206621376U - A kind of marrow puncture device - Google Patents
A kind of marrow puncture device Download PDFInfo
- Publication number
- CN206621376U CN206621376U CN201621210544.1U CN201621210544U CN206621376U CN 206621376 U CN206621376 U CN 206621376U CN 201621210544 U CN201621210544 U CN 201621210544U CN 206621376 U CN206621376 U CN 206621376U
- Authority
- CN
- China
- Prior art keywords
- closing member
- nook closing
- puncture needle
- handle
- hollow
- 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
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of marrow puncture device, is related to medicine equipment, solve existing marrow puncture needle is inconvenient for operation, nook closing member locking loosely, can not accurate adjustment depth of needle, without the technical problem for specifying ear-lobe hemospast tool.The utility model includes hollow puncture needle and nook closing member, and the inner chamber of nook closing member and hollow puncture needle coordinates, and external screw thread is provided with the middle part of hollow puncture needle outer wall, is equipped with adjustable fixture with external screw thread and reinforces pipe fitting；Hollow puncture needle one end is provided with hollow cutting edge, and the other end, which is provided with, holds pin handle, holds pin handle end and is provided with rectangular channel, rectangular channel is provided with annular nook closing member embeded slot holding pin handle base, hollow puncture needle outer wall is provided with scale；Nook closing member is fitted together to handle, core tail handle and ear-lobe by cylindrical core bar, nook closing member and takes blood pin to form；Adjustable fixture is made up of annular disc and sleeve pipe, and annular disc and sleeve pipe are structure as a whole, and sleeve lining is provided with the internal thread engaged with the external screw thread.The utility model is used for medical diagnosis inspection, has the advantages of rational in infrastructure, easy to operate, puncture is safe.
Description
Technical field
The utility model belongs to technical field of medical instruments, a kind of bone marrow aspiration more particularly to improved to marrow puncture needle
Device.
Background technology
Bone marrow puncture is a kind of a kind of more common diagnostic techniques by puncture needle marrow aspiration liquid.Available for cell
The diagnostic test of, bacteriology and parasitology etc..
Many shortcomings in actual mechanical process be present in the marrow puncture needle clinically commonly used at present：1st, marrow puncture needle compared with
Slightly, need to coordinate wrist pressure left rotation and right rotation just to stick a needle into pulp cavity in puncture process, can be because palm be grabbed in operation
The reasons such as uncomfortable, nook closing member locking is insecure are held, nook closing member is ejected by sclerotin, so as to cause bone to be worn unsuccessfully；2nd, adult's skin fold
Thickness is different, and depth of needle also varies with each individual, and the adjustment depth of needle that current puncture needle can only be rough, can not be according to each
The different demands of people are accurately adjusted to depth of needle；3rd, usually need to leave and take Ear lobe blood during bone marrow aspiration and do peripheral blood film
Contrast with bone marrow smear, to improve diagnostic accuracy, but make in the conventional Bone marrow puncture set of clinic without the ear-lobe puncture needle specified
Substituted with other piercing needles in use, easily causing cross-infection.
The content of the invention
The shortcomings that the purpose of this utility model is to overcome prior art, there is provided a kind of marrow puncture device, solve existing
Feel is uncomfortable in operation, nook closing member locking is insecure for marrow puncture needle, can not more accurately adjust depth of needle, nothing
Specify ear-lobe hemospast tool, technical problem inconvenient for operation.
The utility model is achieved through the following technical solutions：
A kind of marrow puncture device, including hollow puncture needle and nook closing member, the inner chamber of the nook closing member and hollow puncture needle coordinate,
Wherein：
External screw thread is provided with the middle part of the outer wall of the hollow puncture needle, what is be engaged with external screw thread is provided with adjustable fixture
With reinforcing pipe fitting；
Described hollow puncture needle one end is provided with hollow cutting edge, and the other end, which is provided with, holds pin handle, described to hold pin handle end
Portion is provided with rectangular channel, and rectangular channel is provided with annular nook closing member embeded slot in the pin handle base of holding, described hollow to wear
Pricker is provided with scale close to hollow cutting edge one end outer wall；
The nook closing member is fitted together to handle, core tail handle and ear-lobe by cylindrical core bar, nook closing member and takes blood pin to form, the cylindrical core
Rod end head is solid cutting edge, and the solid cutting edge is identical with the angle of inclination of the hollow cutting edge and in same plane, the circle
The cylindricality core bar other end sets the core tail handle perpendicular to core bar axis, in the cylindrical core bar close to the core tail handle
Place, is provided with handle chimeric with the nook closing member that the annular nook closing member embeded slot is engaged, the ear-lobe takes blood pin removably to set
Put in the core tail handle end；
The adjustable fixture is made up of annular disc and sleeve pipe, and the annular disc and sleeve pipe are structure as a whole, institute
The central axis for stating sleeve pipe is provided with the internal thread engaged with the external screw thread in the annular disc, described sleeve pipe inwall；
The reinforcing pipe fitting inner wall is provided with the reinforcing pipe internal thread engaged with the external screw thread, and the reinforcing pipe fitting is set
The adjustable fixture and it is described hold pin handle between, and nibbled by the reinforcing pipe internal thread and the hollow puncture needle
Close connection.
The utility model holds pin handle compared with prior art, due to being provided with hollow puncture needle, can improve and puncture through
The palm comfort level of medical worker, convenient grasping, meet body mechanics's design in journey；Rectangular channel and circular needle on hollow puncture needle
The setting of core embeded slot, and the design of handle chimeric with the nook closing member that annular nook closing member embeded slot is engaged, can wear nook closing member with hollow
Pricker carries out secure lock, avoids nook closing member from being ejected by sclerotin, so as to cause bone to be worn unsuccessfully；Hollow puncture needle is close to hollow cutting edge one
Scale is provided with the outer wall of end, depth of needle can accurately be adjusted according to everyone different demands, adjusted to standard
After true depth, depth of needle position can be fixed by adjustable fixture and reinforcing member；Take blood pin detachable on ear-lobe
Be arranged on core tail handle end, can effectively avoid using the cross-infection caused by other piercing needles.
The utility model can be used for the diagnostic test of cytology, bacteriology and parasitology etc., it is possible to increase doctor
Work the operational comfort of author, improve that nook closing member locking is insecure, can not more accurately adjust depth of needle, without specifying ear-lobe
Hemospast tool, easily cause cross-infection, cumbersome phenomenon, the utility model has rational in infrastructure, easy to operate, puncture peace
The advantages of complete.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the present utility model；
Fig. 2 is hollow puncture needle structure schematic diagram of the present utility model；
Fig. 3 is nook closing member structural representation of the present utility model；
Fig. 4 is adjustable anchor structure schematic diagram of the present utility model；
Fig. 5 is overall structure diagram of the present utility model；
Fig. 6 is reinforcing pipe fitting structural representation of the present utility model；
Fig. 7 is Fig. 2 left view；
Fig. 8 is the A-A diagrammatic cross-sections in Fig. 2.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with drawings and examples.
As shown in Figures 1 to 8, a kind of marrow puncture device, including hollow puncture needle 1 and nook closing member 3, the nook closing member 3 is with
The inner chamber of empty puncture needle 1 coordinates, wherein：
External screw thread 1-2 is provided with the middle part of the outer wall of the hollow puncture needle 1, being provided with for being engaged with external screw thread 1-2 is adjustable
Save fixture 2 and reinforce pipe fitting 4；
Described one end of hollow puncture needle 1 is provided with hollow cutting edge 1-1, and the other end, which is provided with, holds pin handle 1-3, described to hold pin
Handle 1-3 end sets have rectangular channel 1-5, and rectangular channel 1-5 is provided with annular nook closing member in the pin handle 1-3 bottoms of holding
Embeded slot 1-4, the hollow puncture needle 1 are provided with scale 1-6 close to hollow cutting edge 1-1 one end outer wall；
The nook closing member 3 is fitted together to handle 3-2, core tail handle 3-3 and ear-lobe by cylindrical core bar 3-1, nook closing member and takes blood pin 3-4 groups
Into the cylindrical core bar 3-1 terminations are solid cutting edge 3-1-1, the solid cutting edge 3-1-1 and the hollow cutting edge 1-1
Angle of inclination is identical and sets the core tail hand perpendicular to core bar axis in same plane, the cylindrical core bar 3-1 other ends
Handle 3-3, in the cylindrical core bar 3-1 at the core tail handle 3-3, it is provided with and the annular nook closing member embeded slot 1-4
The nook closing member being engaged is fitted together to handle 3-2, and the ear-lobe takes blood pin 3-4 to be removably arranged on the core tail handle 3-3 ends；
The adjustable fixture 2 is made up of annular disc 2-1 and sleeve pipe 2-2, the annular disc 2-1 and sleeve pipe 2-2
It is structure as a whole, described sleeve pipe 2-2 central axis is in the annular disc 2-1, and described sleeve pipe 2-2 inwalls are provided with and institute
State the internal thread 2-2-1 of external screw thread 1-2 engagements；Rotating annular disc 2-1 can drive sleeve pipe 2-2 to make its internal thread 2-2-1 with
The external screw thread 1-2 engaged transmissions of empty puncture needle 1, so as to realize the regulation of depth of needle；
The reinforcing inwall of pipe fitting 4 is provided with the reinforcing pipe internal thread 4-1 engaged with the external screw thread 1-2, the reinforcing
Pipe fitting 4 be arranged on the adjustable fixture 2 and it is described hold pin handle 1-3 between, and by the reinforcing pipe internal thread 4-1 with
The hollow puncture needle 1 is engaged, positioned.
The course of work and principle of the present utility model：
As shown in Figures 1 to 8, in use, operator first inserts nook closing member 3 in hollow puncture needle 1, during insertion,
Nook closing member 3 is rotated by 90 ° so that nook closing member is fitted together to handle 3-2 and reaches annular nook closing member embeded slot 1-4 through rectangular channel 1-5, again by pin
Core 3 is rotated by 90 °, and nook closing member is fitted together to handle 3-2 and is embedded in annular nook closing member embeded slot 1-4, realizes the firm of nook closing member 3 and hollow puncture needle 1
Locking, now solid cutting edge 3-1-1 is identical with hollow cutting edge 1-1 angle of inclination and in same plane；Then hand grips pin hand
Handle 1-3 is punctured, and after cutting edge enters ossis through tissues such as subcutaneous, fat, muscle, different according to everyone need
Ask, depth of needle is accurately adjusted by adjustable fixture 2, adjusted to accurate depth, it is right by reinforcing pipe fitting 4
Depth of needle position is fixed, and then 90 degree rotate nook closing members 3 and are pulled out, and is extracted appropriate bone marrow fluid using 20ml syringes and is treated
Inspection；
Bone marrow fluid extract terminate and then it is secondary nook closing member 3 is inserted in hollow puncture needle 1, and by rotation fastened, so
Marrow puncture device and pressing haemostatic are extracted afterwards；
After ear-lobe is sterilized, the ear-lobe for removing core tail handle 3-3 ends takes blood pin 3-4, takes blood pin 3-4 to puncture with ear-lobe
Bleeding is extruded after ear-lobe, First Blood is wiped, then dips Ear lobe blood, smear censorship using slide.
The utility model can be embodied without departing from the spiritual or substantive of invention in a variety of forms, so should manage
Solution, above-described embodiment is not limited to foregoing details, and should widely be explained in the range of claim limits, therefore falls into power
Profit requirement or the change in its equivalent scope and remodeling all should be claim and covered.
Claims (1)
1. a kind of marrow puncture device, including hollow puncture needle (1) and nook closing member (3), the nook closing member (3) and hollow puncture needle (1)
Inner chamber coordinate, it is characterised in that：
External screw thread (1-2) is provided with the middle part of the outer wall of the hollow puncture needle (1), being provided with for being engaged with external screw thread (1-2) can
Adjust fixture (2) and reinforce pipe fitting (4)；
Described hollow puncture needle (1) one end is provided with hollow cutting edge (1-1), and the other end, which is provided with, holds pin handle (1-3), described to hold
Pin handle (1-3) end set has rectangular channel (1-5), is set in pin handle (1-3) bottom of holding perpendicular to rectangular channel (1-5)
There is annular nook closing member embeded slot (1-4), the hollow puncture needle (1) is provided with scale (1- close to hollow cutting edge (1-1) one end outer wall
6)；
The nook closing member (3) is fitted together to handle (3-2), core tail handle (3-3) and ear-lobe by cylindrical core bar (3-1), nook closing member and takes blood pin (3-
4) form, cylindrical core bar (3-1) termination is solid cutting edge (3-1-1), the solid cutting edge (3-1-1) with it is described hollow
The angle of inclination of cutting edge (1-1) is identical and in same plane, and cylindrical core bar (3-1) other end is perpendicular to core bar axis
The core tail handle (3-3) is set, in the cylindrical core bar (3-1) close to core tail handle (3-3) place, is provided with and institute
State the nook closing member that annular nook closing member embeded slot (1-4) is engaged and be fitted together to handle (3-2), the ear-lobe takes blood pin (3-4) dismountable
It is arranged on core tail handle (3-3) end；
The adjustable fixture (2) is made up of annular disc (2-1) and sleeve pipe (2-2), the annular disc (2-1) and sleeve pipe
(2-2) is structure as a whole, and the central axis of described sleeve pipe (2-2) is in the annular disc (2-1), described sleeve pipe (2-2)
Wall is provided with the internal thread (2-2-1) engaged with the external screw thread (1-2)；
Described reinforcing pipe fitting (4) inwall is provided with the reinforcing pipe internal thread (4-1) engaged with the external screw thread (1-2), described to add
Gu pipe fitting (4) be arranged on the adjustable fixture (2) and it is described hold pin handle (1-3) between, and by the reinforcing pipe
Screw thread (4-1) engages connection with the hollow puncture needle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621210544.1U CN206621376U (en) | 2016-11-10 | 2016-11-10 | A kind of marrow puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621210544.1U CN206621376U (en) | 2016-11-10 | 2016-11-10 | A kind of marrow puncture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206621376U true CN206621376U (en) | 2017-11-10 |
Family
ID=60212775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621210544.1U Expired - Fee Related CN206621376U (en) | 2016-11-10 | 2016-11-10 | A kind of marrow puncture device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206621376U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108186057A (en) * | 2018-01-29 | 2018-06-22 | 三明学院 | A kind of marrow puncture needle |
| CN108309364A (en) * | 2018-02-06 | 2018-07-24 | 重庆医科大学附属永川医院 | A kind of marrow puncture device and its piercing method |
| CN108324290A (en) * | 2018-03-01 | 2018-07-27 | 皖南医学院 | The safe Painless blood taking needle of disposable press-type |
| CN109124694A (en) * | 2018-08-14 | 2019-01-04 | 温州市中心医院 | A kind of hematology's marrow puncture needle |
| CN110292421A (en) * | 2019-08-12 | 2019-10-01 | 河南科技大学第一附属医院 | A kind of hematology's marrow puncture device |
-
2016
- 2016-11-10 CN CN201621210544.1U patent/CN206621376U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108186057A (en) * | 2018-01-29 | 2018-06-22 | 三明学院 | A kind of marrow puncture needle |
| CN108309364A (en) * | 2018-02-06 | 2018-07-24 | 重庆医科大学附属永川医院 | A kind of marrow puncture device and its piercing method |
| CN108309364B (en) * | 2018-02-06 | 2020-12-22 | 重庆医科大学附属永川医院 | Bone marrow puncture device |
| CN108324290A (en) * | 2018-03-01 | 2018-07-27 | 皖南医学院 | The safe Painless blood taking needle of disposable press-type |
| CN108324290B (en) * | 2018-03-01 | 2023-11-21 | 皖南医学院 | Disposable touch-pressing type safe painless blood taking needle |
| CN109124694A (en) * | 2018-08-14 | 2019-01-04 | 温州市中心医院 | A kind of hematology's marrow puncture needle |
| CN109124694B (en) * | 2018-08-14 | 2021-08-27 | 温州市中心医院 | Bone marrow puncture needle for hematology department |
| CN110292421A (en) * | 2019-08-12 | 2019-10-01 | 河南科技大学第一附属医院 | A kind of hematology's marrow puncture device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20181110 |