CN109893177A - A kind of bone marrow aspiration draw-out device - Google Patents
A kind of bone marrow aspiration draw-out device Download PDFInfo
- Publication number
- CN109893177A CN109893177A CN201910332271.XA CN201910332271A CN109893177A CN 109893177 A CN109893177 A CN 109893177A CN 201910332271 A CN201910332271 A CN 201910332271A CN 109893177 A CN109893177 A CN 109893177A
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- bone marrow
- cylinder
- marrow aspiration
- plate
- outer sleeve
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- 238000009583 bone marrow aspiration Methods 0.000 title claims abstract description 54
- 230000003444 anaesthetic effect Effects 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000036407 pain Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 210000001185 bone marrow Anatomy 0.000 description 8
- 238000000605 extraction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003533 narcotic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The present invention relates to the field of medical instrument technology, especially a kind of bone marrow aspiration draw-out device, including top plate, the lower surface two sides of the top plate are fixedly installed with support plate, the top of the connecting rod is equipped with sliding slot, the internal slide of the sliding slot is equipped with movable block, one end of the threaded rod is equipped with turntable, the other end of the threaded rod is equipped with the sphere inside ball groove, the left side activity of the top plate, which runs through, anesthetic cylinder, the inside of the outer sleeve, which is run through, bone marrow aspiration cylinder, the upper surface of two pistons in left and right is separately installed with the first push rod and the second push rod, the lower inside of first pushing plate is equipped with the limit plate above the first pushing plate, the inside upper part of the outer sleeve is equipped with the second annular groove.Compared to the prior art the present invention, can stablize and disposably puncture to patient, puncture precisely, mitigate the pain of patient, easy to use, securely and reliably, practical, have stronger using effect, be worth promoting use.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of bone marrow aspiration draw-out devices.
Background technique
Bone marrow puncture is the conventional diagnostic techniques of clinical bone marrow extraction, and marrow puncture needle is required during bone marrow aspiration
Medical instrument.In the prior art at present, bone marrow aspiration is using routine bone marrow puncture needle bone marrow extraction, in bone marrow extraction
When, anesthetic puncture first need to be carried out in point of puncture with injection needle, then puncture bone marrow extraction at same position with marrow puncture needle again,
Anesthetic puncture and take marrow puncture separately carry out, puncture time is more, be easy increase patient pain.
Meanwhile then the marrow puncture needle that has when puncturing, be all manually with hand Direct perforantes, not due to manpower applied force
Uniformity is easy to make puncture needle deflection flex, influences to extract effect, very big pain is brought to patient, and patient is puncturing
When, it is easy to shake, also will affect the effect of bone marrow aspiration, for this purpose, it is proposed that a kind of bone marrow aspiration draw-out device.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of bone marrow aspiration proposed extracts dress
It sets.
To achieve the goals above, present invention employs following technical solutions:
A kind of bone marrow aspiration draw-out device, including top plate are designed, the lower surface two sides of the top plate are fixedly installed with support plate,
Lower part between two support plates is equipped with connecting rod jointly, and the top of the connecting rod is equipped with sliding slot, the sliding slot
Internal slide is equipped with movable block, and the side of the movable block is equipped with ball groove, and the lower thread of the support plate is connected with spiral shell
Rasp bar, one end of the threaded rod are equipped with turntable, and the other end of the threaded rod is equipped with the sphere inside ball groove, institute
The left side activity of top plate is stated through there is anesthetic cylinder, the right side of the top plate, which is fixed to run through, outer sleeve, a left side for the outer sleeve
Upper lateral part is equipped with gas outlet, and the right upper portion of the outer sleeve is equipped with tracheae, and one end of the tracheae is equipped with air bag, institute
State and check valve be installed on the pipeline of tracheae, the inside of the outer sleeve through there is a bone marrow aspiration cylinder, the bone marrow aspiration cylinder and
The lower end of anesthetic cylinder is mounted on connecting tube, and the first valve body and the are separately installed on the pipeline of two connecting tubes in left and right
One end of two valve bodies, two connecting tubes in left and right is equipped with puncture needle jointly, the anesthetic cylinder and bone marrow aspiration cylinder it is interior
Portion is mounted on piston, and the upper surface of two pistons in left and right is separately installed with the first push rod and the second push rod, the marrow
The outer lower portion fixing sleeve for extracting cylinder is connected to the first pushing plate, and the edge of first pushing plate is equipped with first annular slot, described
The inside of first annular slot is equipped with the first sealing ring contacted with outer sleeve inner wall, the outer lower portion set of the bone marrow aspiration cylinder
It is connected to the first spring being located inside outer sleeve, the lower inside of first pushing plate is equipped with above the first pushing plate
Limit plate, the outer lower portion of the bone marrow aspiration cylinder is equipped with graduated scale, and the inside upper part of the outer sleeve is equipped with the second annular
Slot, the inside of second annular groove are equipped with the second sealing ring contacted with bone marrow aspiration cylinder, the anesthetic cylinder and marrow
It extracts and is fixedly connected between cylinder by fixed plate.
Preferably, the upper surface side of the top plate is equipped with groove body, and the inside of the groove body is equipped with push-tight bar, described to push away
One end of tight bar and anesthetic cylinder contradict, and the other end of the push-tight bar is equipped with third spring.
Preferably, mounting plate is installed on the left of the bone marrow aspiration cylinder, the side of the mounting plate is equidistantly equipped with more
A fixation hole, the left side central portion of the outer sleeve are equipped with stepped hole, and the inside of the stepped hole, which is run through, fixed link, the fixation
The right end and fixation hole of bar cooperate, and the left end of the fixed link is equipped with iron plate, the position that the fixed link is contacted with outer sleeve
Equipped with gasket, the outside fixing sleeve of the fixed link is connected to the second pushing plate, is socketed on the outside of the fixed link positioned at
The side of second spring on the left of two pushing plates, the outer sleeve is rotatably equipped with magnet.
Preferably, the lower end of the support plate is equipped with bottom plate, and the lower surface of the bottom plate is equipped with anti-skid bulge.
Preferably, the side of the movable block is mounted on rubber buffer.
A kind of bone marrow aspiration draw-out device proposed by the present invention, beneficial effect are: anesthetic cylinder that the present invention is equipped with and
Bone marrow aspiration cylinder uses common puncture needle, therefore only needs once to puncture patient when in use, thus mitigate the pain of patient,
The air bag being equipped with can be filled with gas into outer sleeve, and gas can be such that the first pushing plate uniform stressed moves down, so as to make
Bone marrow aspiration cylinder stabilization moves down, and in the bone for penetrating patient that also puncture needle can be made stable, puncture needle offset pair will not occur
Patient damages, and the driven by rotary disc threaded rod rotation being equipped with, threaded rod drives movable block mobile, and two movable blocks consolidate patient
It is fixed, it can prevent patient from shaking, it is ensured that the stabilization of puncture is accurate, compared to the prior art the present invention, can stablize and one
Secondary property punctures patient, puncture precisely, mitigate the pain of patient, it is easy to use, it is securely and reliably, practical, have compared with
Strong using effect, be worth promoting use.
Detailed description of the invention
Fig. 1 is a kind of bone marrow aspiration draw-out device structural schematic diagram proposed by the present invention；
Fig. 2 is a kind of portion A structural schematic diagram of bone marrow aspiration draw-out device proposed by the present invention；
Fig. 3 is a kind of portion B structural schematic diagram of bone marrow aspiration draw-out device proposed by the present invention；
Fig. 4 is a kind of portion C structural schematic diagram of bone marrow aspiration draw-out device proposed by the present invention；
Fig. 5 is a kind of portion D structural schematic diagram of bone marrow aspiration draw-out device proposed by the present invention.
In figure: the first push rod 1, fixed plate 2, anesthetic cylinder 3, gas outlet 4, top plate 5, piston 6, support plate 7, the first valve body
8, turntable 9, threaded rod 10, ball groove 11, movable block 12, puncture needle 13, sliding slot 14, sphere 15, connecting rod 16, bottom plate 17, second
Valve body 18, connecting tube 19, the first spring 20, the first pushing plate 21, outer sleeve 22, air bag 23, tracheae 24, check valve 25, marrow
Extract cylinder 26, the second push rod 27, stepped hole 28, iron plate 29, fixed link 30, fixation hole 31, mounting plate 32, the second pushing plate 33,
Second spring 34, magnet 35, limit plate 36, first annular slot 37, the first sealing ring 38, the second annular groove 39, the second sealing ring
40, push-tight bar 41, groove body 42, third spring 43.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, the upper surface side of a kind of bone marrow aspiration draw-out device, including top plate 5, top plate 5 is equipped with groove body 42,
The inside of groove body 42 is equipped with push-tight bar 41, and one end of push-tight bar 41 and anesthetic cylinder 3 contradict, the other end installation of push-tight bar 41
Have third spring 43, anesthetic cylinder 3 can be fixed by push-tight bar 41, prevent anesthetic cylinder 3 when in use on
Lower movement.
The lower surface two sides of top plate 5 are fixedly installed with support plate 7, and the lower end of support plate 7 is equipped with bottom plate 17, bottom plate 17
Lower surface anti-skid bulge is installed, can be improved device placement stability, improve using effect.
Lower part between two support plates 7 is equipped with connecting rod 16 jointly, and the top of connecting rod 16 is equipped with sliding slot 14, sliding slot
14 internal slide is equipped with movable block 12, and the side of movable block 12 is mounted on rubber buffer, can press from both sides to patient
Tight protection, the comfort that enhancing patient uses.
The side of movable block 12 is equipped with ball groove 11, and the lower thread of support plate 7 is connected with threaded rod 10, threaded rod 10
One end is equipped with turntable 9, and the other end of threaded rod 10 is equipped with the sphere 15 inside ball groove 11, the left side activity of top plate 5
Through there is anesthetic cylinder 3, the right side of top plate 5 is fixed through there is outer sleeve 22, and the left upper portion of outer sleeve 22 is equipped with gas outlet
4, the right upper portion of outer sleeve 22 is equipped with tracheae 24, and one end of tracheae 24 is equipped with air bag 23, installs on the pipeline of tracheae 24
There is check valve 25, through there is bone marrow aspiration cylinder 26, the left side of bone marrow aspiration cylinder 26 is equipped with mounting plate 32 for the inside of outer sleeve 22,
The side of mounting plate 32 is equidistantly equipped with multiple fixation holes 31, and the left side central portion of outer sleeve 22 is equipped with stepped hole 28, stepped hole 28
Inside through there is a fixed link 30, the right end and fixation hole 31 of fixed link 30 cooperate, and the left end of fixed link 30 is equipped with iron plate 29,
The position that fixed link 30 is contacted with outer sleeve 22 is equipped with gasket, and the outside fixing sleeve of fixed link 30 is connected to the second pushing plate 33,
The outside of fixed link 30 is socketed with the second spring 34 positioned at 33 left side of the second pushing plate, and the side of outer sleeve 22 is rotatably equipped with
Magnet 35, bone marrow aspiration cylinder 26 is moved up and down in bone marrow extraction in order to prevent, it can be ensured that the stability of bone marrow aspiration, enhancing
Using effect.
The lower end of bone marrow aspiration cylinder 26 and anesthetic cylinder 3 is mounted on connecting tube 19, the pipeline of two connecting tubes 19 in left and right
On be separately installed with the first valve body 8 and the second valve body 18, one end of two connecting tubes 19 in left and right is equipped with puncture needle 13 jointly, fiber crops
The inside of liquor-saturated dose of cylinder 3 and bone marrow aspiration cylinder 26 is mounted on piston 6, and the upper surface of two pistons 6 in left and right is separately installed with first
Push rod 1 and the second push rod 27, the outer lower portion fixing sleeve of bone marrow aspiration cylinder 26 are connected to the first pushing plate 21, the first pushing plate 21
Edge is equipped with first annular slot 37, and the inside of first annular slot 37 is equipped with the first sealing ring contacted with 22 inner wall of outer sleeve
38, the outer lower portion of bone marrow aspiration cylinder 26 is socketed with the first spring 20 inside outer sleeve 22, the first pushing plate 21 it is interior
Side lower part is equipped with the limit plate 36 above the first pushing plate 21, and the outer lower portion of bone marrow aspiration cylinder 26 is equipped with graduated scale,
The inside upper part of outer sleeve 22 is equipped with the second annular groove 39, and the inside of the second annular groove 39 is equipped with to be contacted with bone marrow aspiration cylinder 26
The second sealing ring 40, be fixedly connected between anesthetic cylinder 3 and bone marrow aspiration cylinder 26 by fixed plate 2.
Working principle: in use, the position for needing bone marrow extraction of patient is placed between two movable blocks 12 first, turn
Turn disk 9, turntable 9 drive threaded rod 10 to rotate, and threaded rod 10 drives movable block 12 mobile, and two movable blocks 12 consolidate patient
Fixed, rotor magnet 35 makes magnet 35 drive iron plate 29 mobile, realizes that the disengaging of fixed link 30 and fixation hole 31, left hand pulling push away
Tight bar 41 is detached from push-tight bar 41 and anesthetic cylinder 3, and the right hand back and forth presses pressuring gasbag 23, and air bag 23 can be filled with into outer sleeve 22
Gas, gas can be such that 21 uniform stressed of the first pushing plate moves down, so as to stablize bone marrow aspiration cylinder 26 and anesthetic cylinder 3
It moves down, in the bone for penetrating patient that also puncture needle 13 can be made stable, can observe what puncture needle 13 penetrated by graduated scale
Depth opens the first valve body 8, unclamps push-tight bar 41, under the action of third spring 43, push-tight bar 41 moves right, to anesthesia
Agent cylinder 3 compresses, and prevents anesthetic cylinder 3 mobile, presses the first push rod 1, can be realized to patient's injecting narcotic, rotate magnetic later
Iron 35, fixed link 30 moves right under the action of the second spring 34, and fixed link 30 and fixation hole 31 cooperate, and realizes bone marrow aspiration
The second valve body 18 is opened in the fixation of cylinder 26, and mobile second push rod 27 can be realized the extraction of marrow, is completed after extracting, opening is let out
Tracheae 4 separates fixed link 30 with fixation hole 31, pulls push-tight bar 41, under the action of the first spring 20, bone marrow aspiration to the left
Cylinder 26 moves up, and puncture needle 13 is detached from patient.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of bone marrow aspiration draw-out device, including top plate (5), which is characterized in that the lower surface two sides of the top plate (5) are solid
Dingan County is equipped with support plate (7), and the lower part between two support plates (7) is equipped with connecting rod (16), the connecting rod jointly
(16) top is equipped with sliding slot (14), and the internal slide of the sliding slot (14) is equipped with movable block (12), the movable block (12)
Side be equipped with ball groove (11), the lower thread of the support plate (7) is connected with threaded rod (10), the threaded rod (10)
One end is equipped with turntable (9), and the other end of the threaded rod (10) is equipped with the sphere (15) internal positioned at ball groove (11), described
Through having anesthetic cylinder (3), the right side of the top plate (5), which is fixed to run through, to be had outer sleeve (22), described for the left side activity of top plate (5)
The left upper portion of outer sleeve (22) is equipped with gas outlet (4), and the right upper portion of the outer sleeve (22) is equipped with tracheae (24), institute
The one end for stating tracheae (24) is equipped with air bag (23), is equipped with check valve (25), the housing on the pipeline of the tracheae (24)
Through having bone marrow aspiration cylinder (26), the lower end of the bone marrow aspiration cylinder (26) and anesthetic cylinder (3) is respectively mounted for the inside of cylinder (22)
Have connecting tube (19), is separately installed with the first valve body (8) and the second valve body on the pipeline of two connecting tubes (19) in left and right
(18), one end of two connecting tubes (19) in left and right is equipped with puncture needle (13) jointly, and the anesthetic cylinder (3) and marrow are taken out
The inside of cylinder (26) is taken to be mounted on piston (6), the upper surface of two pistons (6) in left and right is separately installed with the first push rod
(1) it is connected to the first pushing plate (21) with the second push rod (27), the outer lower portion fixing sleeve of the bone marrow aspiration cylinder (26), described
The edge of one pushing plate (21) is equipped with first annular slot (37), and the inside of the first annular slot (37) is equipped with and outer sleeve
(22) the first sealing ring (38) of inner wall contact, the outer lower portion of the bone marrow aspiration cylinder (26) are socketed with positioned at outer sleeve (22)
Internal the first spring (20), the lower inside of first pushing plate (21) are equipped with above the first pushing plate (21)
The outer lower portion of limit plate (36), the bone marrow aspiration cylinder (26) is equipped with graduated scale, and the inside upper part of the outer sleeve (22) is set
Have the second annular groove (39), the inside of second annular groove (39) is equipped with the second sealing contacted with bone marrow aspiration cylinder (26)
It encloses (40), is fixedly connected between the anesthetic cylinder (3) and bone marrow aspiration cylinder (26) by fixed plate (2).
2. bone marrow aspiration draw-out device according to claim 1, which is characterized in that the upper surface side of the top plate (5)
Equipped with groove body (42), the inside of the groove body (42) is equipped with push-tight bar (41), one end of the push-tight bar (41) and anesthetic
Cylinder (3) contradicts, and the other end of the push-tight bar (41) is equipped with third spring (43).
3. bone marrow aspiration draw-out device according to claim 1, which is characterized in that the left side of the bone marrow aspiration cylinder (26)
It is equipped with mounting plate (32), the side of the mounting plate (32) is equidistantly equipped with multiple fixation holes (31), the outer sleeve (22)
Left side central portion be equipped with stepped hole (28), the inside of the stepped hole (28) is through having fixed link (30), the fixed link (30)
Right end and fixation hole (31) cooperate, the left end of the fixed link (30) is equipped with iron plate (29), the fixed link (30) and outer
The position of sleeve (22) contact is equipped with gasket, and the outside fixing sleeve of the fixed link (30) is connected to the second pushing plate (33), institute
The second spring (34) being socketed on the left of the second pushing plate (33) on the outside of fixed link (30) is stated, the outer sleeve (22)
Side is rotatably equipped with magnet (35).
4. bone marrow aspiration draw-out device according to claim 1, which is characterized in that install the lower end of the support plate (7)
Have bottom plate (17), the lower surface of the bottom plate (17) is equipped with anti-skid bulge.
5. bone marrow aspiration draw-out device according to claim 1, which is characterized in that the side of the movable block (12) is equal
Rubber buffer is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332271.XA CN109893177B (en) | 2019-04-24 | 2019-04-24 | Marrow puncture extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332271.XA CN109893177B (en) | 2019-04-24 | 2019-04-24 | Marrow puncture extraction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109893177A true CN109893177A (en) | 2019-06-18 |
| CN109893177B CN109893177B (en) | 2021-05-04 |
Family
ID=66956269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910332271.XA Expired - Fee Related CN109893177B (en) | 2019-04-24 | 2019-04-24 | Marrow puncture extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109893177B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110559019A (en) * | 2019-08-26 | 2019-12-13 | 吉林大学 | Survey patient's marrow microcirculation environment detection device after hemopoietic stem cell transplantation |
| CN111904561A (en) * | 2020-09-14 | 2020-11-10 | 郑州大学第一附属医院 | Marrow cavity puncture needle fixer |
| CN112190318A (en) * | 2020-11-13 | 2021-01-08 | 武咏 | Epidural puncture needle inserting device and method for anesthesia department |
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| US20070083158A1 (en) * | 2005-07-05 | 2007-04-12 | Angioslide Ltd. | Balloon catheter |
| US20150127006A1 (en) * | 2002-05-31 | 2015-05-07 | Vidacare Corporation | Apparatus and method to access bone marrow |
| CN205758643U (en) * | 2016-05-11 | 2016-12-07 | 南阳市第二人民医院 | Cardiological artery compression hemostatic device |
| CN108113714A (en) * | 2018-02-09 | 2018-06-05 | 杜以萍 | A kind of blood internal medicine bone marrow aspiration draw-out device |
| CN108837237A (en) * | 2018-07-10 | 2018-11-20 | 温州市人民医院 | A kind of retractable syringe |
| CN208741101U (en) * | 2018-05-04 | 2019-04-16 | 鹤壁市人民医院 | Marrow cavity puncture driver |
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2019
- 2019-04-24 CN CN201910332271.XA patent/CN109893177B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150127006A1 (en) * | 2002-05-31 | 2015-05-07 | Vidacare Corporation | Apparatus and method to access bone marrow |
| US20070083158A1 (en) * | 2005-07-05 | 2007-04-12 | Angioslide Ltd. | Balloon catheter |
| CN205758643U (en) * | 2016-05-11 | 2016-12-07 | 南阳市第二人民医院 | Cardiological artery compression hemostatic device |
| CN108113714A (en) * | 2018-02-09 | 2018-06-05 | 杜以萍 | A kind of blood internal medicine bone marrow aspiration draw-out device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110559019A (en) * | 2019-08-26 | 2019-12-13 | 吉林大学 | Survey patient's marrow microcirculation environment detection device after hemopoietic stem cell transplantation |
| CN110559019B (en) * | 2019-08-26 | 2020-11-24 | 吉林大学 | Survey patient's marrow microcirculation environment detection device after hemopoietic stem cell transplantation |
| CN111904561A (en) * | 2020-09-14 | 2020-11-10 | 郑州大学第一附属医院 | Marrow cavity puncture needle fixer |
| CN112190318A (en) * | 2020-11-13 | 2021-01-08 | 武咏 | Epidural puncture needle inserting device and method for anesthesia department |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109893177B (en) | 2021-05-04 |
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Granted publication date: 20210504 |