CN207886218U - It is a kind of under nuclear-magnetism environment can 360 ° puncture mammary gland intervention devices - Google Patents
It is a kind of under nuclear-magnetism environment can 360 ° puncture mammary gland intervention devices Download PDFInfo
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- CN207886218U CN207886218U CN201720502583.7U CN201720502583U CN207886218U CN 207886218 U CN207886218 U CN 207886218U CN 201720502583 U CN201720502583 U CN 201720502583U CN 207886218 U CN207886218 U CN 207886218U
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- Prior art keywords
- needle stand
- biopsy
- puncture
- sliding rail
- gear
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Abstract
The utility model discloses a kind of under nuclear-magnetism environment can 360 ° of punctures mammary gland intervention devices, it is related to the field of medical instrument technology, rotary shaft is installed on the pedestal, rotary shaft end is fixed with turntable, sliding rail is installed on turntable, scissors mechanism is installed on sliding rail, biopsy table is installed on scissors mechanism.By driving rotary shaft, turntable is driven to be rotated 360 ° around breast tissue；By the gear of scissors mechanism bottom and engaging for the rack on sliding rail, scissors mechanism moving horizontally on a spinstand is realized；By the leading screw of drive control scissors mechanism, the height adjustment of biopsy table in the vertical direction is realized；By rotating the worm gear shaft being connected with biopsy table, the pitch attitude adjustment of biopsy table is realized.The mechanism uses with the manufacture of the non-magnetic material of nuclear-magnetism environmental compatible the comprehensive interventional treatment, it can be achieved that breast tissue, and flexibility ratio is high, and positioning is convenient, can reduce the working strength of doctor, improves procedure efficiency.
Description
Technical field
The utility model is related to a kind of under nuclear-magnetism environment can 360 ° of punctures mammary gland intervention devices, belong to medical instrument skill
Art field.
Background technology
Nmr imaging technique has good soft tissue resolving power, no X-ray radiation, and not close by corpus mamma
The influence of degree, it is considered to be can currently detect a kind of detection of most worthy of the multifocal lesion of breast cancer and Multicentri city
Means are that Hospitals at Present is usually used in assisting the imaging mode of mammary gland intervention operation.When doctor carries out mammary gland intervention operation, it is necessary to carry
Preceding acquisition NMR imaging cannot accomplish surgical procedure center magnetic image real-time navigation, together as a result, then execute operation outside instrument
When due to lesion distribution uncertainty, it may be necessary to carry out intervention operation from different directions, to increase procedure efficiency, improve
Surgical quality reduces sufferer pain and operating time.
Invention content
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide one kind under nuclear-magnetism environment can 360 ° wear
The mammary gland intervention device of thorn.
The utility model it is a kind of under nuclear-magnetism environment can 360 ° puncture mammary gland intervention devices, it include pedestal, driving
Axis, rotary shaft, driving gear, rotation gear, turntable, sliding rail A, sliding rail B, rack, slideway, scissors mechanism, pulley, worm screw,
Ear type holder, biopsy axis, worm gear, biopsy table, biopsy needle stand sample drive shaft, and interior needle stand erecting bed samples rack, and sampling is driven
Moving gear, interior needle stand, interior needle, outer needle stand, outer needle, biopsy fire spring, square groove, limit spring, wedge-shaped limited block, circle
Lockhole punctures drive shaft, punctures driven shaft, punctures driving gear, punctures driven gear, sliding slot, overhead kick, push plate, biopsy needle stand
Upper cover.Drive shaft and rotary shaft are installed on the pedestal, driving gear is installed in drive shaft, rotation is installed in rotary shaft
Rotating disk, driving gear and rotation gear engagement, the top of rotary shaft is fixed with turntable, be equipped on turntable sliding rail A and
Rack and slideway are equipped on sliding rail B, sliding rail A and sliding rail B, two racks are towards arrangement, and two slideways are backwards to arrangement, scissor machine
Structure is mounted on sliding rail A and sliding rail B, and the both sides of scissors mechanism pedestal are equipped with four symmetrical pulleys, and pulley is along sliding rail A
It is rolled with the slideway on sliding rail B, worm screw and ear type holder is installed on scissors mechanism workbench, biopsy is installed on ear type holder
Axis, biopsy axis one end are equipped with worm gear, and worm gear and worm screw engagement, the biopsy axis other end are fixed with biopsy table, one end of biopsy table
On be fixed with biopsy needle stand, sampling drive shaft and interior needle stand erecting bed is installed on the other end, samples to be equipped in drive shaft and takes
Sample drives gear, and sampling rack, sampling driving gear and sampling rack engagement, interior needle stand tail end are equipped on interior needle stand erecting bed
It is connected in interior needle stand erecting bed, interior needle is embedded in interior needle stand, and outer needle stand is mounted in biopsy needle stand, and can be along biopsy needle stand
Wall slides, and outer needle is embedded in outer needle stand, and outer needle guard is equipped with biopsy percussion bullet outside interior needle between outer needle stand and biopsy needle stand
Spring, outer needle stand bottom plate one end are set there are two square groove, and square groove bottom is connected there are one limit spring, in limit spring
It is fixed with wedge-shaped limited block, is opened on the front end of biopsy needle stand bottom plate there are two round keyhole.
It punctures drive shaft preferably, the bottom of the scissors mechanism pedestal is equipped with and punctures driven shaft, puncture and drive
Puncture driving gear is installed on movable gear shaft, punctures and puncture driven gear is installed on driven shaft, puncture driving gear and cunning
Rack engagement on rail A, while puncture driven gear is driven, puncture the engagement of driven gear and sliding rail B upper racks so that scissor
Mechanism moves horizontally on sliding rail A and sliding rail B, realizes the puncture feeding of biopsy table and retreats.
Preferably, the bottom of the interior needle stand erecting bed is equipped with dove-tail form sliding block, dovetail groove, swallow are provided in biopsy table
Tail type sliding block and dovetail groove cooperation.
Preferably, the outer needle stand bottom is provided with sliding slot, the end of interior needle stand is equipped with overhead kick, and overhead kick is hooked in sliding slot
On inner wall, when sampling drive shaft drives sampling sliding tooth wheel rotation, sampling driving gear and the sampling tooth on interior needle stand erecting bed
Item engages so that interior needle stand erecting bed moves backward, and realizes that interior needle stand drives outer needle stand to move backward, when the wedge of outer needle stand bottom
When shape limited block is moved to the position of round keyhole on biopsy needle stand, limit spring release, wedge-shaped limited block falls into round keyhole
In, it can be achieved that biopsy percussion spring is tightened, when interior needle stand counter motion, the push plate of its bottom is driven to reach the position of round keyhole
When setting, push plate pushes the wedge-shaped limited block in round keyhole to lift so that the biopsy percussion spring release in compressive state, band
Dynamic outer needle cuts tissue.
Preferably, it is described it is a kind of under nuclear-magnetism environment can the mammary gland intervention devices of 360 ° of punctures be all made of non magnetic material
Material manufacture, all axis are to install to fix by ceramic bearing, with nuclear-magnetism environmental compatible.
The beneficial effects of the utility model are：
1, pedestal is fixed on to the underface at unilateral breast tissue center, the dynamic rotation gear of driving gear band realizes that 360 ° turn
It is dynamic so that the turntable rotation being connected on driven gear shaft, to realize that biopsy table can carry out puncture intervention from any direction
Treatment.
2, it is rolled in sliding slot of the pulley installed on scissors mechanism pedestal on sliding rail, ensure that scissors mechanism in turntable
The stationarity of upper horizontal motion.
3, it is driven using worm and gear and realizes that the pitch attitude of biopsy table adjusts, it, can using the self-locking function of worm and gear
To avoid the influence that the gravity due to biopsy table generates its posture, ensure the accuracy of puncture angle.
4, the dove-tail form sliding block of interior needle stand erecting bed bottom coordinates with the dovetail groove in biopsy table, ensure that interior needle stand installation
The stationarity that platform moves horizontally in biopsy table, to ensure that interior needle and outer needle carry out the stability of biopsy sampling.
5, driving worm and wheel engagement drives biopsy shaft rotation dynamic so that the biopsy table rotation being connected on biopsy axis, it is real
Now pitch attitude at any angle adjusts so that the angle inserting needle that piercing mechanism can be optimal shortens needle and pierces path, improves intervention
The accuracy and efficiency of operation.
6, gear and sampling rack engagement are sampled, the interior needle of drive is realized to wind up automatically to be sampled with the automatic firing of outer needle, square
Just the control of entire intervention device.
Description of the drawings：
The utility model is described in detail by following specific implementations and attached drawing for ease of explanation,.
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the arrangement schematic diagram for puncturing driving gear.
Fig. 3 is the internal structure schematic diagram of biopsy needle stand.
Fig. 4 is outer needle stand and outer needle assembling schematic diagram.
Fig. 5 is outer needle stand bottom substance schematic diagram.
Fig. 6 is interior needle stand and outer needle stand assembling schematic diagram.
Fig. 7 is the vertical view of biopsy mechanism.
Fig. 8 is the echelon sectional view of biopsy mechanism.
In figure：1- pedestals；2- drive shafts；3- rotary shafts；4- drives gear；5- rotates gear；6- turntables；7- sliding rails A；
8- sliding rails B；9- racks；10- slideways；11- scissors mechanisms；12- pulleys；13- worm screws；14- ear type holders；15- biopsy axis；16-
Worm gear；17- biopsy tables；18- biopsy needle stands；19- samples drive shaft；Needle stand erecting bed in 20-；21- sampling driving gears；22-
Sample rack；Needle stand in 23-；Needle in 24-；The outer needle stands of 25-；The outer needles of 26-；27- biopsies fire spring；28- square grooves；29-
Limit spring；30- wedge shape limited blocks；31- round keyholes；32- punctures drive shaft；33- punctures driven shaft；34- punctures sliding tooth
Wheel；35- punctures driven gear；36- sliding slots；37- overhead kicks；38- push plates；39- biopsy needle stand upper covers.
Specific implementation mode：
To make the objectives, technical solutions and advantages of the present invention clearer, below by shown in the accompanying drawings
Specific embodiment describes the utility model.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit this reality
With novel range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid unnecessarily mixing
Confuse the concept of the utility model.
As shown in Fig. 1 ~ 8, present embodiment uses following technical scheme：It include pedestal, drive shaft, rotary shaft,
Driving gear, rotation gear, turntable, sliding rail A, sliding rail B, rack, slideway, scissors mechanism, pulley, worm screw, ear type holder are living
Examine axis, worm gear, biopsy table, biopsy needle stand, sampling drive shaft, interior needle stand erecting bed, sampling rack, sampling driving gear, interior needle
Seat, interior needle, outer needle stand, outer needle, biopsy fire spring, square groove, limit spring, wedge-shaped limited block, round keyhole, puncture drive
Moving axis punctures driven shaft, punctures driving gear, punctures driven gear, sliding slot, overhead kick, push plate, biopsy needle stand upper cover.Described
Drive shaft and rotary shaft are installed on pedestal, driving gear is installed in drive shaft, rotation gear is installed in rotary shaft, is driven
Gear and rotation gear engagement, the top of rotary shaft is fixed with turntable, sliding rail A and sliding rail B, sliding rail A is equipped on turntable
Be equipped with rack and slideway on sliding rail B, two racks are towards arrangement, and backwards to arranging, scissors mechanism is mounted on to be slided two slideways
On rail A and sliding rail B, the both sides of scissors mechanism pedestal are equipped with four symmetrical pulleys, and pulley is along sliding rail A and sliding rail B
Slideway roll, worm screw and ear type holder are installed on scissors mechanism workbench, biopsy axis, biopsy axis are installed on ear type holder
One end is equipped with worm gear, and worm gear and worm screw engagement, the biopsy axis other end are fixed with biopsy table, work are fixed on one end of biopsy table
Needle stand is examined, sampling drive shaft and interior needle stand erecting bed are installed on the other end, samples and sampling driving gear is installed in drive shaft,
Sampling rack is installed, sampling driving gear and sampling rack engagement, interior needle stand tail end are connected in interior needle on interior needle stand erecting bed
In seat erecting bed, interior needle is embedded in interior needle stand, and outer needle stand is mounted in biopsy needle stand, and can be slided along biopsy needle stand inner wall, outside
Needle is embedded in outer needle stand, and outer needle guard is equipped with biopsy percussion spring, outer needle stand bottom outside interior needle between outer needle stand and biopsy needle stand
Plate one end is set there are two square groove, and square groove bottom is connected there are one limit spring, and wedge shape is fixed in limit spring
Limited block, opens that there are two round keyholes on the front end of biopsy needle stand bottom plate.
Further, the bottom of the scissors mechanism pedestal, which is equipped with, punctures drive shaft and punctures driven shaft, punctures and drives
Puncture driving gear is installed on movable gear shaft, punctures and puncture driven gear is installed on driven shaft, puncture driving gear and cunning
Rack engagement on rail A, while puncture driven gear is driven, puncture the engagement of driven gear and sliding rail B upper racks so that scissor
Mechanism moves horizontally on sliding rail A and sliding rail B, realizes the puncture feeding of biopsy table and retreats.
Further, the bottom of the interior needle stand erecting bed is equipped with dove-tail form sliding block, and dovetail groove, swallow are provided in biopsy table
Tail type sliding block and dovetail groove cooperation.
Further, the outer needle stand bottom is provided with sliding slot, and the end of interior needle stand is equipped with overhead kick, and overhead kick is hooked in sliding slot
On inner wall, when sampling drive shaft drives sampling sliding tooth wheel rotation, sampling driving gear and the sampling tooth on interior needle stand erecting bed
Item engages so that interior needle stand erecting bed moves backward, and realizes that interior needle stand drives outer needle stand to move backward, when the wedge of outer needle stand bottom
When shape limited block is moved to the position of round keyhole on biopsy needle stand, limit spring release, wedge-shaped limited block falls into round keyhole
In, it realizes tightening for biopsy percussion spring, when interior needle stand counter motion, the push plate of its bottom is driven to reach the position of round keyhole
When, push plate pushes the wedge-shaped limited block in round keyhole to lift so that the biopsy percussion spring release in compressive state drives
Outer needle cuts tissue.
Further, it is described it is a kind of under nuclear-magnetism environment can the mammary gland intervention devices of 360 ° of punctures be all made of non magnetic material
Material manufacture, all axis are to install to fix by ceramic bearing, with nuclear-magnetism environmental compatible.
The working principle of this specific embodiment: being：When operation, patient is in prone position posture, so that sliding tooth is rotated first
Dynamic, driving gear band moves rotary teeth wheel rotation so that the turntable rotation being connected on rotation gear shaft, to drive biopsy table
The position where lesion point is turned to, the leading screw on scissors mechanism is secondly driven, adjusts the height of biopsy table, biopsy table is made to reach
Target point is punctured, then, driving worm and wheel engagement drives biopsy shaft rotation dynamic, adjusts the pitch angle of biopsy table, obtains most
Good inserting needle posture, then sampling driving gear is driven, it is engaged with the sampling rack on interior needle stand erecting bed so that interior needle stand installation
Platform moves backward, that is, realizes that interior needle stand is drawn back, and the inner wall of the sliding slot on outer needle stand bottom is caught in the overhead kick of interior needle stand end, from
And outer needle stand is driven to draw back together, when the wedge-shaped limited block of outer needle stand bottom is moved to the position of the round keyhole on biopsy needle stand
When setting, the limit spring of wedge-shaped limited block end discharges so that wedge-shaped limited block is fallen into round keyhole, realizes that biopsy fires bullet
Spring is tightened, that is, is realized that interior needle winds up, finally driven the puncture of scissors mechanism bottom to drive gear so that scissors mechanism is in sliding rail A
It is moved horizontally on sliding rail B, realizes the puncture feed motion of biopsy table, when needle point enters lesion point region, driving sampling is driven
Moving axis negative direction rotates so that interior needle stand moves forward, and when the push plate on interior needle stand reaches the position of round keyhole, pushes circle
Wedge-shaped limited block in shape lockhole lifts so that tensioned state biopsy percussion spring release, realize in needle sampling and from
The dynamic outer needle of percussion completes the process of tissue cutting, and after sampling successfully, driving punctures driving gear and rotates backward, and biopsy needle is exited
Human body is collected reset after sample tissue, repeats the above steps and carry out next sub-sampling.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
1. it is a kind of under nuclear-magnetism environment can 360 ° puncture mammary gland intervention devices, it include pedestal（1）, drive shaft（2）, rotary shaft
（3）, drive gear（4）, rotate gear（5）, turntable（6）, sliding rail A（7）, sliding rail B（8）, rack（9）, slideway（10）, scissor
Mechanism（11）, pulley（12）, worm screw（13）, ear type holder（14）, biopsy axis（15）, worm gear（16）, biopsy table（17）, biopsy needle
Seat（18）, sample drive shaft（19）, interior needle stand erecting bed（20）Sampling driving gear（21）, sample rack（22）, interior needle stand
（23）, interior needle（24）, outer needle stand（25）, outer needle（26）, biopsy percussion spring（27）, square groove（28）, limit spring（29）,
Wedge-shaped limited block（30）, round keyhole（31）, puncture drive shaft（32）, puncture driven shaft（33）, puncture driving gear（34）, wear
Pierce driven gear（35）, sliding slot（36）, overhead kick（37）, push plate（38）, biopsy needle stand upper cover（39）, it is characterised in that：Described
Pedestal（1）On drive shaft is installed（2）And rotary shaft（3）, drive shaft（2）On driving gear is installed（4）, rotary shaft（3）On
Rotation gear is installed（5）, drive gear（4）With rotation gear（5）Engagement, rotary shaft（3）Top be fixed with turntable
（6）, turntable（6）On sliding rail A is installed（7）With sliding rail B（8）, sliding rail A（7）With sliding rail B（8）On be equipped with rack（9）And cunning
Road（10）, two racks（9）Towards arrangement, two slideways（10）Backwards to arrangement, scissors mechanism（11）Mounted on sliding rail A（7）With
Sliding rail B（8）On, scissors mechanism（11）The both sides of pedestal are equipped with four symmetrical pulleys（12）, pulley（12）Along sliding rail A
（7）With sliding rail B（8）On slideway（10）It rolls, scissors mechanism（11）Worm screw is installed on workbench（13）With ear type holder
（14）, ear type holder（14）On biopsy axis is installed（15）, biopsy axis（15）One end is equipped with worm gear（16）, worm gear（16）And snail
Bar（13）Engagement, biopsy axis（15）The other end is fixed with biopsy table（17）, biopsy table（17）One end on be fixed with biopsy needle stand
（18）, sampling drive shaft is installed on the other end（19）With interior needle stand erecting bed（20）, sample drive shaft（19）On be equipped with and take
Sample drives gear（21）, interior needle stand erecting bed（20）On sampling rack is installed（22）, sampling driving gear（21）With sampling tooth
Item（22）Engagement, interior needle stand（23）Tail end is connected in interior needle stand erecting bed（20）In, interior needle（24）Embedded in interior needle stand（23）In, outside
Needle stand（25）Mounted on biopsy needle stand（18）In, and can be along biopsy needle stand（18）Inner wall slides, outer needle（26）Embedded in outer needle stand
（25）In, outer needle（26）It covers in interior needle（24）Outside, outer needle stand（25）With biopsy needle stand（18）Between be equipped with biopsy percussion spring
（27）, outer needle stand（25）Bottom plate one end is set there are two square groove（28）, square groove（28）In be connected there are one limit bullet
Spring（29）, limit spring（29）On be fixed with wedge-shaped limited block（30）, biopsy needle stand（18）Circle there are two being opened on the front end of bottom plate
Shape lockhole（31）.
2. it is according to claim 1 it is a kind of under nuclear-magnetism environment can 360 ° puncture mammary gland intervention devices, it is characterised in that：
The scissors mechanism（11）The bottom of pedestal is equipped with puncture drive shaft（32）With puncture driven shaft（33）, puncture drive shaft
（32）On be equipped with puncture driving gear（34）, puncture driven shaft（33）On puncture driven gear is installed（35）, puncture driving
Gear（34）With sliding rail A（7）On rack（9）Engagement, while driving puncture driven gear（35）, puncture driven gear（34）With
Sliding rail B（8）Upper rack（9）Engagement so that scissors mechanism（11）In sliding rail A（7）With sliding rail B（8）On move horizontally, realize live
Examine platform（17）Puncture feeding and retreat.
3. it is according to claim 1 it is a kind of under nuclear-magnetism environment can 360 ° puncture mammary gland intervention devices, it is characterised in that：
The outer needle stand（25）Bottom is provided with sliding slot（36）, interior needle stand（23）End be equipped with overhead kick（37）, overhead kick（37）It hooks in cunning
Slot（36）Inner wall on, when sampling drive shaft（19）Drive sampling driving gear（21）Rotation, sampling driving gear（21）With it is interior
Needle stand erecting bed（20）The sampling rack of upper installation（22）Engagement so that interior needle stand erecting bed（20）It moves backward, realizes interior needle
Seat（23）Drive outer needle stand（25）It moves backward, when outer needle stand（25）The wedge-shaped limited block of bottom（30）It is moved to biopsy needle stand
（18）Upper round keyhole（31）Position when, limit spring（29）Release, wedge-shaped limited block（30）Fall into round keyhole（31）In,
Biopsy can be achieved and fire spring（27）Tighten, when interior needle stand（23）Counter motion drives the push plate of its bottom（38）Reach circle
Shape lockhole（31）Position when, push plate（38）Push round keyhole（31）In wedge-shaped limited block（30）It lifts so that in pressure
The biopsy of contracting state fires spring（27）Release drives outer needle（26）Cut tissue.
4. it is according to claim 1 it is a kind of under nuclear-magnetism environment can 360 ° puncture mammary gland intervention devices, it is characterised in that：
It is described it is a kind of under nuclear-magnetism environment can the mammary gland intervention devices of 360 ° of punctures be all made of non-magnetic material manufacture, all axis are
It is installed and is fixed by ceramic bearing, with nuclear-magnetism environmental compatible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720502583.7U CN207886218U (en) | 2017-05-08 | 2017-05-08 | It is a kind of under nuclear-magnetism environment can 360 ° puncture mammary gland intervention devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720502583.7U CN207886218U (en) | 2017-05-08 | 2017-05-08 | It is a kind of under nuclear-magnetism environment can 360 ° puncture mammary gland intervention devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207886218U true CN207886218U (en) | 2018-09-21 |
Family
ID=63546529
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720502583.7U Expired - Fee Related CN207886218U (en) | 2017-05-08 | 2017-05-08 | It is a kind of under nuclear-magnetism environment can 360 ° puncture mammary gland intervention devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207886218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520479A (en) * | 2021-07-13 | 2021-10-22 | 金陵科技学院 | Novel kidney puncture needle with adjustable angle |
-
2017
- 2017-05-08 CN CN201720502583.7U patent/CN207886218U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520479A (en) * | 2021-07-13 | 2021-10-22 | 金陵科技学院 | Novel kidney puncture needle with adjustable angle |
| CN113520479B (en) * | 2021-07-13 | 2023-07-04 | 金陵科技学院 | Kidney puncture needle with adjustable angle |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180921 Termination date: 20190508 |