CN108451601A - A method of puncturing intervention double acting auxiliary injection suction - Google Patents
A method of puncturing intervention double acting auxiliary injection suction Download PDFInfo
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- CN108451601A CN108451601A CN201810153061.XA CN201810153061A CN108451601A CN 108451601 A CN108451601 A CN 108451601A CN 201810153061 A CN201810153061 A CN 201810153061A CN 108451601 A CN108451601 A CN 108451601A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Hematology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention provides a kind of method puncturing intervention double acting auxiliary injection suction, belong to the field of medical instrument technology, structure includes syringe, further includes speed governing driving and reversing mechanism, miniature positive and negative rotation slow speed motor output driving driving gear, driving gear are often engaged with driven gear；Miniature positive and negative rotation slow speed motor positive and negative rotation drive incline shaft positive and negative rotation tilts shaft positive and negative rotation and exports sliding block positive and negative rotation, and sliding block positive and negative rotation exports axis positive and negative rotation to tumbler pressure taper roll body positive and negative rotation；Axis positive and negative rotation consubstantiality thread segment axis positive and negative rotation drives nut translational slip before and after straight line rail key direction, before and after nut translational slip drive piston rod to be moved forward and backward, so that piston rod is acted on injection sleeve and realize action of injection or suction action；Realize that full-automatic extraction, security performance are strong, it can be achieved that intermittent controllable injection or extraction, ingenious in design.
Description
Technical field
The present invention relates to the field of medical instrument technology, specifically a kind of to puncture what intervention double acting auxiliary injection aspirated
Method.
Background technology
In general, it is will puncture to be needled into body cavity and extract secretion to chemically examine to puncture, to body cavity injection gas or contrast agent
Do contrast examination, or into body cavity injection of medicine a kind of Clinics.Purpose is blood test, and blood transfusion, infusion and merging are led
Pipe does angiography.
It is that a kind of more universal therapeutic modality needs in a practical situation to puncture interventional therapy for angiocardiopathy
It is needled into region of interest extraction blood by injection or hydrops is chemically examined, current operation is grasped using common syringe
Make, artificial pull-out piston rod is needed when extracting blood, a hand is needed to fix syringe, another hand operates piston rod, holds very much
Easily lead to syringe needle extract or enter back into it is intravascular cause danger, therefore to the more demanding of aforesaid operations, it is hidden to be easy to happen safety
Suffer from.
Invention content
The technical assignment of the present invention is to solve the deficiencies in the prior art, provides a kind of puncture intervention double acting auxiliary injection pumping
The method of suction.
The technical scheme is that realize in the following manner, which intervenes the suction of double acting auxiliary injection
Method, this method is to increase configuration speed governing driving and reversing mechanism on the ontology of syringe, by speed governing driving and reversing mechanism come to syringe
The strength that piston rod applies motor machine replaces manpower to implement retreat operation to piston rod, and the structure that party's Vinculum iuris relies on includes note
The front end of emitter, syringe is provided with junction block, and injection sleeve end is provided with stack shell empennage, the end of syringe piston rod
It is provided with piston rod empennage；Its structure further includes speed governing driving and reversing mechanism, and speed governing driving and reversing mechanism is by front casing and rear frame structure
At；
Front casing along injection sleeve and setting parallel with injection sleeve,
The front end fixed configurations of front casing have junction block anchor ear fork, junction block anchor ear fork to be clamped with connector pipe end；
The rear portion of front casing is configured with stack shell anchor ear, and stack shell anchor ear is clamped injection sleeve end；
The backend arrangement of front casing has stack shell empennage slot holder, stack shell empennage to be plugged in stack shell empennage slot holder；
The top of front chassis cavity is provided with axis, and the front-end configuration of axis is led on the axis front end axle bed of casing antetheca
The backend arrangement of axis is fixedly installed taper roll body, tapered roller on the axis rear end axle bed of casing rear wall on the axle body of axis
Body is coaxially disposed with axis, and the roll surface of taper roll body is set as frosting, and the point diameter of taper roll body is more than rear end diameter；
Axis is parallel with injection sleeve central shaft；
Front chassis cavity below axis is provided with inclination shaft, and inclination shaft is parallel with the busbar of taper roll body roll surface,
The front-end configuration of shaft is tilted on the inclination shaft front end axle bed of casing antetheca, tilts the backend arrangement of shaft in casing rear wall
Inclination shaft rear end axle bed on；
The straight line feather key offered on the axle body of shaft along axle body generatrix direction is tilted, sliding block is set on by center dowel hole to incline
On the axle body of oblique shaft, center dowel hole matches with straight line feather key makes sliding block be connected with shaft sliding is tilted；
It is provided with rubbing surface with the circumference week of sliding block,
Axis and inclination shaft co-extrusion setting, make to contact with pressure and realize between the rubbing surface of sliding block and the frosting of taper roll body
Often tumbler is pressed and is driven；
It tilts and is fixedly installed coaxial driven gear with the rear axle of shaft；In front chassis cavity below driven gear
It is fixedly installed miniature positive and negative rotation slow speed motor, miniature positive and negative rotation slow speed motor is matched by battery power, and by positive and negative rotating controller
Set the positive and negative rotation switching that miniature positive and negative rotation slow speed motor is realized in control connection, miniature positive and negative rotation slow speed motor output driving driving tooth
Wheel, driving gear are often engaged with driven gear；Miniature positive and negative rotation slow speed motor positive and negative rotation drive incline shaft positive and negative rotation tilts and turns
Axis positive and negative rotation exports sliding block positive and negative rotation, and sliding block positive and negative rotation exports axis positive and negative rotation to tumbler pressure taper roll body positive and negative rotation；
Logical the tip of the axis is pierced by axis rear end axle bed and casing rear wall and rear frame rearward extends；Axis is rearward
The extension that joins altogether of axis be set as thread segment axis, thread segment axis is parallel with rear frame, is provided on rear frame
The straight line rail key parallel with thread segment axis is screwed with nut on thread segment axis, and nut is fixedly connected on nut frame, spiral shell
One end of female frame and the straight line rail key of rear frame realize that linear slide connects by flat key；The other end of nut frame is fixedly connected
There is slotting disk, inserts in disk and offer piston rod empennage embedded groove, piston rod empennage is plugged in piston rod empennage embedded groove；
Axis positive and negative rotation consubstantiality thread segment axis positive and negative rotation drives nut translational slip before and after straight line rail key direction, before and after nut
Translational slip drives piston rod to be moved forward and backward, and so that piston rod is acted on injection sleeve and realizes action of injection or suction action；
Sliding block periphery configuration has sliding block clamping frame, is enclosed in sliding block clamping frame through former and later two plane bearings and former and later two tables of sliding block
Plane Rotation connection is constituted between face, the end of sliding block clamping frame is fixedly connected with operating lever, and operating lever passes through on the casing of front
Rail hole is outwardly pierced by, and the trend of the rail hole on the casing of front is parallel to the axle body trend for tilting shaft；
Operating lever is slid by external force along rail hole, and with movable slider, sliding changes sliding block and taper roll body on the axle body for tilting shaft
Transmission ratio realizes the advance and retreat to nut to the rotation of thread segment axis.
Miniature positive and negative rotation slow speed motor is fixedly connected on by electric machine support on the chassis cavity wall of front.
The front casing of speed governing driving and reversing mechanism, rear frame, junction block anchor ear fork, stack shell anchor ear, stack shell empennage slot holder,
Before axis, casing antetheca, axis front end axle bed, casing rear wall, axis rear end axle bed, taper roll body, inclination shaft, inclination shaft
Hold axle bed, tilt shaft rear end axle bed, straight line feather key, sliding block, driven gear, driving gear, thread segment axis, straight line rail key,
Nut, nut frame, slotting disk, sliding block clamping frame, plane bearing, operating lever are all made of metal rigidity body.
Generated advantageous effect is the present invention compared with prior art：
This it is a kind of puncture intervention double acting auxiliary injection suction method be on the ontology of syringe increase configuration speed governing retreat
Mechanism, by speed governing driving and reversing mechanism come to syringe piston rod apply motor machine strength replace manpower to piston rod implement into
Move back operation.
This it is a kind of puncture intervention double acting auxiliary injection suction method can realize that full-automatic extraction, security performance are strong.
A kind of method puncturing intervention double acting auxiliary injection suction can realize intermittent controllable extraction, and design is skilful
It is wonderful.
This it is a kind of puncture intervention double acting auxiliary injection suction method reasonable design, it is simple in structure, safe and reliable, use
It is convenient, easy to maintain, it has good value for applications.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the present invention；
Attached drawing 2 is the partial enlargement structural representation of the present invention.
Label in attached drawing indicates respectively：
1, syringe, 2, junction block, 3, injection sleeve, 4, stack shell empennage, 5, piston rod, 6, piston rod empennage,
7, speed governing driving and reversing mechanism, 8, front casing, 9, rear frame,
10, junction block anchor ear is pitched, and 11, stack shell anchor ear, 12, stack shell empennage slot holder,
13, axis, 14, casing antetheca, 15, axis front end axle bed, 16, casing rear wall, 17, axis rear end axle bed, 18, tapered roller
Body, 19, frosting,
20, shaft is tilted, 21, tilt shaft front end axle bed, 22, tilt shaft rear end axle bed,
23, straight line feather key, 24, sliding block, 25, center dowel hole, 26, rubbing surface,
27, driven gear, 28, miniature positive and negative rotation slow speed motor, 29, battery, 30, positive and negative rotating controller, 31, driving gear,
32, thread segment axis, 33, straight line rail key, 34, nut, 35, nut frame, 36, insert disk, 37, piston rod empennage embedded groove,
38, sliding block clamping frame, 39, plane bearing, 40, operating lever, 41, rail hole,
42, electric machine support.
Specific implementation mode
A kind of method of puncture intervention double acting auxiliary injection suction of the present invention is made in detailed below below in conjunction with the accompanying drawings
Explanation.
As shown in the picture, a kind of method of puncture of the invention intervention double acting auxiliary injection suction, party's Vinculum iuris rely on
Structure include syringe 1, the front end of syringe 1 is provided with junction block 2, and 3 end of injection sleeve is provided with stack shell empennage 4,
The end of syringe piston rod 5 is provided with piston rod empennage 6；Its structure further includes speed governing driving and reversing mechanism 7, speed governing driving and reversing mechanism by
Front casing 8 and rear frame 9 are constituted；
Front casing 8 along injection sleeve and setting parallel with injection sleeve,
The front end fixed configurations of front casing 8 have junction block anchor ear to pitch 10, and junction block anchor ear fork 10 is clamped with 2 end of junction block；
The rear portion of front casing is configured with stack shell anchor ear 11, and stack shell anchor ear is clamped 3 end of injection sleeve；
The backend arrangement of front casing has stack shell empennage slot holder 12, stack shell empennage 4 to be plugged in stack shell empennage slot holder；
The top of 8 inner cavity of front casing is provided with axis 13, the axis front end axis of the front-end configuration of axis 13 in casing antetheca 14
On seat 15, the backend arrangement of axis is fixedly installed cone on the axis rear end axle bed 17 of casing rear wall 16 on the axle body of axis
Shape roll body 18, taper roll body are coaxially disposed with axis, and the roll surface of taper roll body is set as frosting 19, and the front end of taper roll body is straight
Diameter is more than rear end diameter；
Axis is parallel with injection sleeve central shaft；
Front chassis cavity below axis, which is provided with, tilts shaft 20, and it is equal with the busbar of taper roll body roll surface to tilt shaft
Row, tilts the front-end configuration of shaft on the inclination shaft front end axle bed 21 of casing antetheca, tilts the backend arrangement of shaft in machine
On the inclination shaft rear end axle bed 22 of shell rear wall；
The straight line feather key 23 offered on the axle body of shaft along axle body generatrix direction is tilted, sliding block 24 is worn by 25 hole of center keyway
It is sleeved on the axle body for tilting shaft, center dowel hole matches with straight line feather key makes sliding block be connected with shaft sliding is tilted；
It is provided with rubbing surface 26 with the circumference week of sliding block,
Axis and inclination shaft co-extrusion setting, make to contact with pressure and realize between the rubbing surface of sliding block and the frosting of taper roll body
Often tumbler is pressed and is driven；
It tilts and is fixedly installed coaxial driven gear 27 with the rear axle of shaft；Front chassis cavity below driven gear
It is inside fixedly installed miniature positive and negative rotation slow speed motor 28, miniature positive and negative rotation slow speed motor is driven by battery 29, and by positive and negative rotation control
The configuration of device 30 control connection processed realizes that the positive and negative rotation switching of miniature positive and negative rotation slow speed motor, miniature positive and negative rotation slow speed motor output are driven
Dynamic driving gear 31, driving gear 31 are often engaged with driven gear 27；Miniature positive and negative rotation slow speed motor positive and negative rotation drive incline turns
Axis positive and negative rotation tilts shaft positive and negative rotation and exports sliding block positive and negative rotation, and sliding block positive and negative rotation is logical to tumbler pressure taper roll body positive and negative rotation output
Axis positive and negative rotation；
Logical the tip of the axis is pierced by axis rear end axle bed and casing rear wall and rear frame rearward extends；Axis is rearward
The extension that joins altogether of axis be set as thread segment axis 32, thread segment axis is parallel with rear frame, is arranged on rear frame
There is the straight line rail key 33 parallel with thread segment axis, is screwed with nut 34 on thread segment axis, nut is fixedly connected on nut
On frame 35, one end of nut frame and the straight line rail key of rear frame realize that linear slide connects by flat key；Nut frame it is another
End is fixedly connected with slotting disk 36, inserts in disk and offers piston rod empennage embedded groove 37, piston rod empennage 6 is plugged on piston rod empennage
In embedded groove 37；
Axis positive and negative rotation consubstantiality thread segment axis positive and negative rotation drives nut translational slip before and after straight line rail key direction, before and after nut
Translational slip drives piston rod to be moved forward and backward, and so that piston rod is acted on injection sleeve and realizes action of injection or suction action；
24 periphery configuration of sliding block has sliding block clamping frame 38, is enclosed in sliding block clamping frame by before and after former and later two plane bearings 39 and sliding block
Plane Rotation connection is constituted between two surfaces, the end of sliding block clamping frame is fixedly connected with operating lever 40, and operating lever passes through front
Rail hole 41 on casing is outwardly pierced by, and the trend of the rail hole on the casing of front is parallel to the axle body trend for tilting shaft；
Operating lever is slid by external force along rail hole, and with movable slider, sliding changes sliding block and taper roll body on the axle body for tilting shaft
Transmission ratio realizes the advance and retreat to nut to the rotation of thread segment axis.
Miniature positive and negative rotation slow speed motor is fixedly connected on by electric machine support 42 on the chassis cavity wall of front.
The front casing of speed governing driving and reversing mechanism, rear frame, junction block anchor ear fork, stack shell anchor ear, stack shell empennage slot holder,
Before axis, casing antetheca, axis front end axle bed, casing rear wall, axis rear end axle bed, taper roll body, inclination shaft, inclination shaft
Hold axle bed, tilt shaft rear end axle bed, straight line feather key, sliding block, driven gear, driving gear, thread segment axis, straight line rail key,
Nut, nut frame, slotting disk, sliding block clamping frame, plane bearing, operating lever are all made of metal rigidity body.
Claims (3)
1. a kind of method puncturing intervention double acting auxiliary injection suction, it is characterised in that this method is on the ontology of syringe
Increase configuration speed governing driving and reversing mechanism, people is replaced to apply the strength of motor machine to syringe piston rod by speed governing driving and reversing mechanism
Power implements retreat operation to piston rod, and the front end of the syringe of this method is provided with junction block, and injection sleeve end is provided with
The end of stack shell empennage, syringe piston rod is provided with piston rod empennage；
Speed governing driving and reversing mechanism is made of front casing and rear frame；
Front casing along injection sleeve and setting parallel with injection sleeve,
The front end fixed configurations of front casing have junction block anchor ear fork, junction block anchor ear fork to be clamped with connector pipe end；
The rear portion of front casing is configured with stack shell anchor ear, and stack shell anchor ear is clamped injection sleeve end；
The backend arrangement of front casing has stack shell empennage slot holder, stack shell empennage to be plugged in stack shell empennage slot holder；
The top of front chassis cavity is provided with axis, and the front-end configuration of axis is led on the axis front end axle bed of casing antetheca
The backend arrangement of axis is fixedly installed taper roll body, tapered roller on the axis rear end axle bed of casing rear wall on the axle body of axis
Body is coaxially disposed with axis, and the roll surface of taper roll body is set as frosting, and the point diameter of taper roll body is more than rear end diameter；
Axis is parallel with injection sleeve central shaft；
Front chassis cavity below axis is provided with inclination shaft, and inclination shaft is parallel with the busbar of taper roll body roll surface,
The front-end configuration of shaft is tilted on the inclination shaft front end axle bed of casing antetheca, tilts the backend arrangement of shaft in casing rear wall
Inclination shaft rear end axle bed on；
The straight line feather key offered on the axle body of shaft along axle body generatrix direction is tilted, sliding block is set on by center dowel hole to incline
On the axle body of oblique shaft, center dowel hole matches with straight line feather key makes sliding block be connected with shaft sliding is tilted；
It is provided with rubbing surface with the circumference week of sliding block,
Axis and inclination shaft co-extrusion setting, make to contact with pressure and realize between the rubbing surface of sliding block and the frosting of taper roll body
Often tumbler is pressed and is driven；
It tilts and is fixedly installed coaxial driven gear with the rear axle of shaft；In front chassis cavity below driven gear
It is fixedly installed miniature positive and negative rotation slow speed motor, miniature positive and negative rotation slow speed motor is matched by battery power, and by positive and negative rotating controller
Set the positive and negative rotation switching that miniature positive and negative rotation slow speed motor is realized in control connection, miniature positive and negative rotation slow speed motor output driving driving tooth
Wheel, driving gear are often engaged with driven gear；Miniature positive and negative rotation slow speed motor positive and negative rotation drive incline shaft positive and negative rotation tilts and turns
Axis positive and negative rotation exports sliding block positive and negative rotation, and sliding block positive and negative rotation exports axis positive and negative rotation to tumbler pressure taper roll body positive and negative rotation；
Logical the tip of the axis is pierced by axis rear end axle bed and casing rear wall and rear frame rearward extends；Axis is rearward
The extension that joins altogether of axis be set as thread segment axis, thread segment axis is parallel with rear frame, is provided on rear frame
The straight line rail key parallel with thread segment axis is screwed with nut on thread segment axis, and nut is fixedly connected on nut frame, spiral shell
One end of female frame and the straight line rail key of rear frame realize that linear slide connects by flat key；The other end of nut frame is fixedly connected
There is slotting disk, inserts in disk and offer piston rod empennage embedded groove, piston rod empennage is plugged in piston rod empennage embedded groove；
Axis positive and negative rotation consubstantiality thread segment axis positive and negative rotation drives nut translational slip before and after straight line rail key direction, before and after nut
Translational slip drives piston rod to be moved forward and backward, and so that piston rod is acted on injection sleeve and realizes action of injection or suction action；
Sliding block periphery configuration has sliding block clamping frame, is enclosed in sliding block clamping frame through former and later two plane bearings and former and later two tables of sliding block
Plane Rotation connection is constituted between face, the end of sliding block clamping frame is fixedly connected with operating lever, and operating lever passes through on the casing of front
Rail hole is outwardly pierced by, and the trend of the rail hole on the casing of front is parallel to the axle body trend for tilting shaft；
Operating lever is slid by external force along rail hole, and with movable slider, sliding changes sliding block and taper roll body on the axle body for tilting shaft
Transmission ratio realizes the advance and retreat to nut to the rotation of thread segment axis.
2. a kind of method puncturing intervention double acting auxiliary injection suction according to claim 1, it is characterised in that：It is miniature
Positive and negative rotation slow speed motor is fixedly connected on by electric machine support on the chassis cavity wall of front.
3. a kind of method puncturing intervention double acting auxiliary injection suction according to claim 1, it is characterised in that：Speed governing
Before the front casing of driving and reversing mechanism, rear frame, junction block anchor ear fork, stack shell anchor ear, stack shell empennage slot holder, axis, casing
Wall, casing rear wall, axis rear end axle bed, taper roll body, tilts shaft, tilts shaft front end axle bed, tilts axis front end axle bed
Shaft rear end axle bed, straight line feather key, sliding block, driven gear, driving gear, thread segment axis, straight line rail key, nut, nut frame,
It inserts disk, sliding block clamping frame, plane bearing, operating lever and is all made of metal rigidity body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810153061.XA CN108451601A (en) | 2018-02-21 | 2018-02-21 | A method of puncturing intervention double acting auxiliary injection suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810153061.XA CN108451601A (en) | 2018-02-21 | 2018-02-21 | A method of puncturing intervention double acting auxiliary injection suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108451601A true CN108451601A (en) | 2018-08-28 |
Family
ID=63217018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810153061.XA Pending CN108451601A (en) | 2018-02-21 | 2018-02-21 | A method of puncturing intervention double acting auxiliary injection suction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108451601A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354372A (en) * | 2019-07-15 | 2019-10-22 | 重庆市合川区人民医院 | A kind of gynemetrics's inspection intelligent drug delivery sampling integrated device |
| CN110448341A (en) * | 2019-08-08 | 2019-11-15 | 任怡 | A kind of bone marrow aspiration auxiliary device for hematology |
| CN114668428A (en) * | 2022-03-31 | 2022-06-28 | 四川大学华西医院 | Bone marrow puncture device |
-
2018
- 2018-02-21 CN CN201810153061.XA patent/CN108451601A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354372A (en) * | 2019-07-15 | 2019-10-22 | 重庆市合川区人民医院 | A kind of gynemetrics's inspection intelligent drug delivery sampling integrated device |
| CN110354372B (en) * | 2019-07-15 | 2021-12-03 | 重庆市合川区人民医院 | Intelligent drug administration and sampling integrated device for gynecological examination |
| CN110448341A (en) * | 2019-08-08 | 2019-11-15 | 任怡 | A kind of bone marrow aspiration auxiliary device for hematology |
| CN110448341B (en) * | 2019-08-08 | 2022-07-01 | 南京捷科生物科技有限公司 | A marrow puncture auxiliary device for hematology branch of academic or vocational study |
| 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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Application publication date: 20180828 |