CN109434718A - Foley's tube rotating device - Google Patents
Foley's tube rotating device Download PDFInfo
- Publication number
- CN109434718A CN109434718A CN201811578951.1A CN201811578951A CN109434718A CN 109434718 A CN109434718 A CN 109434718A CN 201811578951 A CN201811578951 A CN 201811578951A CN 109434718 A CN109434718 A CN 109434718A
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- China
- Prior art keywords
- clamping jaw
- foley
- mounting disc
- clamping
- sleeve axis
- 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.)
- Granted
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of foley's tube rotating devices, including the clamping jaw mounting disc that can be made rotating motion, clamping jaw mounting disc front end is circumferentially evenly equipped with multiple clamping jaws, and each clamping jaw outer end and clamping jaw mounting disc are rotatablely connected, and forms the clamping opening for clamping conduit between each clamping jaw inner end；The clamping jaw is connected with clamp system, and the clamp system drives clamping jaw positive and negative rotation to realize open and close movement to clamping opening；The clamping jaw mounting disc is fixedly connected with rotary shaft, and the rotary shaft drives clamping jaw mounting disc to make rotating motion；Foley's tube clamping and rotating integratedization operation may be implemented in foley's tube rotating device, and the degree of automation is higher, has saved manpower and material resources, improves work efficiency, while structure is simple, easy to operate, securely and reliably.
Description
Technical field
The present invention relates to a kind of foley's tube rotating devices.
Background technique
With the development of medical level, medical catheter has the function of special in clinical treatment and occupies important ground
Position.The a part of foley's tube as medical catheter, the consumption figure in China increase year by year.Foley's tube can make block part
Vessel diameter is restored to normal blood vessels internal diameter.
Foley's tube process needs to be clamped foley's tube rotation at present, needs to expend a large amount of people in the past
Power, and working efficiency is lower, is now badly in need of a kind of foley's tube clamping-rotating device, to improve the production efficiency of foley's tube.
Summary of the invention
The technical problem to be solved by the present invention is a kind of foley's tube rotating device is overcome the deficiencies of the prior art and provide,
Solve the defect of previous foley's tube rotary work low efficiency.
In order to solve the above-mentioned technical problems, the present invention provides a kind of foley's tube rotating devices, including can do rotation fortune
Dynamic clamping jaw mounting disc, clamping jaw mounting disc front end are circumferentially evenly equipped with multiple clamping jaws, each clamping jaw outer end and clamping jaw mounting disc
It is rotatablely connected, forms the clamping opening for clamping conduit between each clamping jaw inner end；
The clamping jaw is connected with clamp system, and the clamp system drives clamping jaw positive and negative rotation to realize open and close movement to clamping opening；
The clamping jaw mounting disc is fixedly connected with rotary shaft, and the rotary shaft drives clamping jaw mounting disc to make rotating motion.
Further, the clamp system includes the mandrel that interior of rotating shaft is arranged in and can make rotating motion, the mandrel
Front end is fixedly installed rotating disk, and step connected in star is offered in the clamping jaw mounting disc, and the rotating disk is fixed at platform
In stepped groove；
The rotating disk front end offers evacuation mounting groove corresponding with clamping jaw quantity, and each clamping jaw inner end is equipped with transmission
Pin, described trundle one end are fixedly connected with clamping jaw, in the trundle other end insertion evacuation mounting groove, the evacuation installation
There is the movable evacuation gap of trundle in slot；
When mandrel drives rotating disk rotation, the clamping opening of clamping jaw inner end is driven to do open and close movement through each trundle.
Further, the clamp system connects torsional drive mechanism, and the torsional drive mechanism includes being socketed in rotation
The first sleeve axis being moved forward and backward can be done on the outside of axis, offers oriented slot and horizontally-guided respectively on the first sleeve axis
Slot；
The first bolt is provided in the oriented slot, first bolt passes through oriented slot and is fixedly connected with mandrel；
The second bolt is provided in the horizontal guide slot, second bolt passes through horizontal guide slot and the fixed company of rotary shaft
It connects；
When first sleeve axis is moved forward and backward, oriented slot applies axial torsion power to mandrel through the first bolt, to drive
Mandrel rotation.
Further, the first sleeve shaft rear end is arranged with the second sleeve axis that can be moved forward and backward, the first sleeve
Shaft rear end forms the step surface with the cooperation of second sleeve axis, is arranged with bearing, the second sleeve axis inner wall on the step surface
It is fixedly connected with bearing outer wall, the first sleeve axis outer wall and bearing inner wall are rotatablely connected；
When second sleeve axis is moved forward and backward, bearing drives first sleeve axis front and back to move by cooperating with first sleeve axis platform terrace
It is dynamic.
Further, the second sleeve axis is fixedly connected with push plate, and the push plate two sides connect cylinder push-rod.
It further, further include rotating mechanism, the rotating mechanism includes pedestal, is arranged in parallel with first on the pedestal
Support plate and the second support plate, the rotary shaft pass through the first support plate and the second support plate；
Belt pulley is equipped between first support plate and the second support plate, described belt pulley one end connects rotary shaft, the skin
The belt wheel other end connects motor.
Further, the clamping jaw front end is equipped with the drive end bearing bracket for being parallel to clamping jaw mounting disc, and the drive end bearing bracket circumferentially opens up
There is through-hole, installation bolt is equipped in the through-hole, the installation bolt passes through drive end bearing bracket and is fixedly connected with clamping jaw mounting disc.
Further, clamping jaw installation back-end disk offers the first hexagonal hole, in first hexagonal hole
It is fixedly installed the first hexagon shaft,
The rotary shaft front end drives and presss from both sides with the cooperation of the first hexagonal hole in regular hexagon and the first hexagonal hole of insertion
Pawl mounting disc rotation.Further, the rotation back-end disk offers the second hexagonal hole, and the mandrel front end is in positive six side
Shape is simultaneously inserted into the second hexagonal hole and the cooperation drive rotating disk rotation of the second hexagonal hole.
The beneficial effects of the present invention are: a kind of foley's tube rotating device, may be implemented foley's tube and clamps and rotate one
Bodyization operation, the degree of automation is higher, has saved manpower and material resources, improves work efficiency, while structure is simple, easy to operate,
Securely and reliably.
Detailed description of the invention
The following further describes the present invention with reference to the drawings.
Fig. 1 is foley's tube rotary device structure schematic diagram；
Fig. 2 is foley's tube rotating device axonometric drawing；
Fig. 3 is foley's tube rotating device top view；
Fig. 4 is the A-A cross-sectional view in Fig. 3；
Fig. 5 is clamp system axonometric drawing；
Fig. 6 is rotating disk main view；
Fig. 7 is clamp system and torsional drive mechanism attachment structure schematic diagram；
Fig. 8 is second sleeve axle construction schematic diagram；
Wherein, 1, clamping jaw mounting disc, 2, clamping jaw, 3, rotary shaft, 4, mandrel, 5, rotating disk, 6, evacuation mounting groove, 7, first sleeve
Axis, 8, oriented slot, 9, horizontal guide slot, the 10, first bolt, the 11, second bolt, 12, second sleeve axis, 13, push plate,
14, cylinder, 15, pedestal, the 16, first support plate, the 17, second support plate, 18, belt pulley, 19, motor, 20, drive end bearing bracket, 21, platform
Terrace.
Specific embodiment
Presently in connection with attached drawing, the present invention is further illustrated.These attached drawings are simplified schematic diagram only with signal side
Formula illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figures 1 to 8, a kind of foley's tube rotating device, including the clamping jaw mounting disc 1 that can be made rotating motion, folder
1 front end of pawl mounting disc is circumferentially evenly equipped with multiple clamping jaws 2, and each 2 outer end of clamping jaw and clamping jaw mounting disc 1 are rotatablely connected, each clamping jaw 2
The clamping opening for clamping conduit is formed between inner end；2 front end of clamping jaw is equipped with the drive end bearing bracket 20 for being parallel to clamping jaw mounting disc 1, front end
Lid 20 is circumferential to offer through-hole, is equipped in through-hole and installs bolt, installation bolt passes through drive end bearing bracket 20 and the fixed company of clamping jaw mounting disc 1
It connects；Clamping jaw 2 is connected with clamp system, and clamp system drives 2 positive and negative rotation of clamping jaw to realize open and close movement to clamping opening；Clamping jaw installation
Disk 1 is fixedly connected with rotary shaft 3, and rotary shaft 3 drives clamping jaw mounting disc 1 to make rotating motion, and clamp system includes setting as shown in Figure 5
The mandrel 4 that can be made rotating motion inside rotary shaft 3,4 front end of mandrel are fixedly installed rotating disk 5, open up in clamping jaw mounting disc 1
There is step connected in star, rotating disk 5 is fixed in step connected in star；5 front end of rotating disk offers corresponding with 2 quantity of clamping jaw
Evacuation mounting groove 6, each 2 inner end of clamping jaw is equipped with trundle, and trundle one end is fixedly connected with clamping jaw 2, and trundle is another
In end insertion evacuation mounting groove 6, there is the movable evacuation gap of trundle in evacuation mounting groove 6；Mandrel 4 drives 5 turns of rotating disk
When dynamic, the clamping opening of 2 inner end of clamping jaw is driven to do open and close movement through each trundle, this scenario-frame is simple, easy to operate, Ke Yishi
Existing foley's tube clamps and rotating integratedization operation.
Clamp system connects torsional drive mechanism, and torsional drive mechanism is as shown in fig. 7, comprises be socketed in 3 outside of rotary shaft
The first sleeve axis 7 being moved forward and backward can be done, offers oriented slot 8 and horizontal guide slot 9 respectively on first sleeve axis 7；Incline
The first bolt 10 is provided in oblique guide groove 8, the first bolt 10 passes through oriented slot 8 and is fixedly connected with mandrel 4；Horizontally-guided
The second bolt 11 is provided in slot 9, the second bolt 11 passes through horizontal guide slot 9 and is fixedly connected with rotary shaft 3；When first sleeve axis
When 7 back-and-forth motion, oriented slot 8 applies axial torsion power to mandrel 4 through the first bolt 10, thus rotated with moving mandrel 4, the
One quill, 7 rear end cap is equipped with the second sleeve axis 12 that can be moved forward and backward, and 7 rear end of first sleeve axis is formed and second sleeve axis 12
The step surface 21 of cooperation is arranged with bearing on step surface 21, and 12 inner wall of second sleeve axis is fixedly connected with bearing outer wall, first set
Cylinder 7 outer wall of axis and bearing inner wall are rotatablely connected；When second sleeve axis 12 be moved forward and backward when, bearing by with 7, first sleeve axis
The cooperation of terrace 21 drives first sleeve axis 7 to be moved forward and backward, and second sleeve axis 12 is fixedly connected with push plate 13, and 13 two sides of push plate connect gas
14 push rod of cylinder, this scenario-frame is relatively simple, can provide a torsion for mandrel 4, to rotate with moving mandrel 4, clamping jaw 2 is pressed from both sides
Mouth clamps foley's tube.
It further include rotating mechanism, rotating mechanism includes pedestal 15, is set in parallel on pedestal 15 in order to facilitate the rotation of rotary shaft 3
It is equipped with the first support plate 16 and the second support plate 17, rotary shaft 3 passes through the first support plate 16 and the second support plate 17；First support
Belt pulley 18 is equipped between plate 16 and the second support plate 17,18 one end of belt pulley connects rotary shaft 3, the connection of 18 other end of belt pulley
Motor 19.
For the ease of driving clamping jaw mounting disc 1 and rotating disk 5 to rotate, 1 rear end of clamping jaw mounting disc offers the first positive six side
Shape hole, 3 front end of rotary shaft drive clamping jaw with the cooperation of the first hexagonal hole in regular hexagon and the first hexagonal hole of insertion
Mounting disc 1 rotates；5 rear end of rotating disk offers the second hexagonal hole, and 4 front end of mandrel is in regular hexagon and is inserted into second positive six
Rotating disk 5 is driven to rotate with the cooperation of the second hexagonal hole in the shape hole of side.
When operation, cylinder 14 pushes push plate 13 to be moved forward and backward and drives the back-and-forth motion of second sleeve axis 12, second sleeve axis 12
Bearing and first sleeve axis 7 on step surface cooperation drive first sleeve axis 7 to be moved forward and backward, the inclination of first sleeve axis 7 leads
Apply axial torsion power to mandrel 4 through the first bolt 10 to slot 8, to rotate with moving mandrel 4, mandrel 4 drives 5 turns of rotating disk
Dynamic, each trundle drives the clamping opening of 2 inner end of clamping jaw to do open and close movement to clamp foley's tube, motor after foley's tube clamps
19 drive belt pulley 18 to work, and belt pulley 18 drives rotary shaft 3 to rotate, and rotary shaft 3 drives clamping jaw mounting disc 1 and first sleeve axis
7 synchronous rotaries, first sleeve axis 7 drive 5 synchronous rotary of rotating disk by mandrel 4, thus the foley's tube of 2 clamping opening of clamping jaw clamping
Synchronous rotary.
In conclusion a kind of foley's tube rotating device, may be implemented foley's tube clamping and rotating integratedization operation, from
Dynamicization degree is higher, has saved manpower and material resources, improves work efficiency, while structure is simple, easy to operate, securely and reliably.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (9)
1. a kind of foley's tube rotating device, which is characterized in that including the clamping jaw mounting disc (1) that can be made rotating motion, the folder
Pawl mounting disc (1) front end is circumferentially evenly equipped with multiple clamping jaws (2), and each clamping jaw (2) outer end and clamping jaw mounting disc (1) are rotatablely connected,
The clamping opening for clamping conduit is formed between each clamping jaw (2) inner end；
The clamping jaw (2) is connected with clamp system, and the clamp system drives clamping jaw (2) positive and negative rotation to realize folding to clamping opening
Movement；
The clamping jaw mounting disc (1) is fixedly connected rotary shaft (3), and the rotary shaft (3) drives clamping jaw mounting disc (1) to do rotation fortune
It is dynamic.
2. foley's tube rotating device according to claim 1, which is characterized in that the clamp system includes that setting is being revolved
The mandrel (4) that can be made rotating motion inside shaft (3), mandrel (4) front end is fixedly installed rotating disk (5), the clamping jaw
Step connected in star is offered in mounting disc (1), the rotating disk (5) is fixed in step connected in star；
Rotating disk (5) front end offers evacuation mounting groove (6) corresponding with clamping jaw (2) quantity, each clamping jaw (2) inner end
It is equipped with trundle, described trundle one end is fixedly connected with clamping jaw (2), the trundle other end insertion evacuation mounting groove
(6) in, there is the movable evacuation gap of trundle in the evacuation mounting groove (6)；
When mandrel (4) drives rotating disk (5) rotation, the clamping opening of clamping jaw (2) inner end is driven to do open and close movement through each trundle.
3. foley's tube rotating device according to claim 2, which is characterized in that the clamp system connection torsion driving
Mechanism, the torsional drive mechanism includes being socketed on the outside of rotary shaft (3) that the first sleeve axis (7) being moved forward and backward can be done, described
Oriented slot (8) and horizontal guide slot (9) are offered on first sleeve axis (7) respectively；
Is provided with the first bolt (10) in the oriented slot (8), first bolt (10) pass through oriented slot (8) with
Mandrel (4) is fixedly connected；
Is provided with the second bolt (11) in the horizontal guide slot (9), second bolt (11) pass through horizontal guide slot (9) with
Rotary shaft (3) is fixedly connected；
When first sleeve axis (7) are moved forward and backward, oriented slot (8) applies axial turn round to mandrel (4) through the first bolt (10)
Turn power, to rotate with moving mandrel (4).
4. foley's tube rotating device according to claim 3, which is characterized in that first sleeve axis (7) rear end cap
Equipped with the second sleeve axis (12) that can be moved forward and backward, first sleeve axis (7) rear end is formed to be cooperated with second sleeve axis (12)
Step surface (21), be arranged with bearing on the step surface (21), second sleeve axis (12) inner wall is fixed with bearing outer wall
Connection, first sleeve axis (7) outer wall and bearing inner wall are rotatablely connected；
When second sleeve axis (12) are moved forward and backward, bearing is by driving first with first sleeve axis (7) step surface (21) cooperation
Quill (7) is moved forward and backward.
5. foley's tube rotating device according to claim 4, which is characterized in that the second sleeve axis (12) is fixed to be connected
It connects push plate (13), push plate (13) two sides connect cylinder (14) push rod.
6. foley's tube rotating device according to claim 1, which is characterized in that it further include rotating mechanism, the rotation
Mechanism includes pedestal (15), and the first support plate (16) and the second support plate (17) are arranged in parallel on the pedestal (15), described
Rotary shaft (3) passes through the first support plate (16) and the second support plate (17)；
Belt pulley (18) are equipped between first support plate (16) and the second support plate (17), described belt pulley (18) one end connects
It connects rotary shaft (3), belt pulley (18) other end connects motor (19).
7. foley's tube rotating device according to claim 1, which is characterized in that clamping jaw (2) front end is equipped with parallel
Drive end bearing bracket (20) in clamping jaw mounting disc (1), the drive end bearing bracket (20) circumferentially offer through-hole, installation spiral shell are equipped in the through-hole
Bolt, the installation bolt pass through drive end bearing bracket (20) and are fixedly connected with clamping jaw mounting disc (1).
8. foley's tube rotating device according to claim 1, which is characterized in that open clamping jaw mounting disc (1) rear end
Equipped with the first hexagonal hole, rotary shaft (3) front end is in regular hexagon and is inserted into the first hexagonal hole with first just
Hexagonal hole cooperation drives clamping jaw mounting disc (1) rotation.
9. foley's tube rotating device according to claim 2, which is characterized in that rotating disk (5) rear end offers
Second hexagonal hole, mandrel (4) front end is in regular hexagon and is inserted into the second hexagonal hole and the second regular hexagon
Hole cooperation drives rotating disk (5) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578951.1A CN109434718B (en) | 2018-12-24 | 2018-12-24 | Balloon catheter rotating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578951.1A CN109434718B (en) | 2018-12-24 | 2018-12-24 | Balloon catheter rotating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109434718A true CN109434718A (en) | 2019-03-08 |
| CN109434718B CN109434718B (en) | 2024-01-26 |
Family
ID=65535031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811578951.1A Active CN109434718B (en) | 2018-12-24 | 2018-12-24 | Balloon catheter rotating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109434718B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289352A (en) * | 2020-03-27 | 2020-06-16 | 江苏理工学院 | Vascular stent twists reverse testing arrangement |
| CN112485132A (en) * | 2020-11-19 | 2021-03-12 | 东莞市镁安医疗器械有限公司 | Vascular stent twists reverse testing arrangement |
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| CN201040362Y (en) * | 2006-12-18 | 2008-03-26 | 燕山大学 | Multi-paw centering clamping system |
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| CN104149053A (en) * | 2014-08-05 | 2014-11-19 | 昆山市烽禾升精密机械有限公司 | Novel rotating positioning mechanism |
| CN204036316U (en) * | 2014-08-06 | 2014-12-24 | 温州市骐邦环保科技有限公司 | One feeds formula camshaft phase adjuster assembling jig |
| CN105817859A (en) * | 2016-05-24 | 2016-08-03 | 苏州博众精工科技有限公司 | Clamping device |
| CN206795643U (en) * | 2017-04-19 | 2017-12-26 | 成都飞机工业（集团）有限责任公司 | A kind of modular catheter positioner |
| CN207256057U (en) * | 2017-07-26 | 2018-04-20 | 江苏立讯机器人有限公司 | Rotary jig |
| CN108326782A (en) * | 2018-04-09 | 2018-07-27 | 方丹卉 | A kind of turntable clamper |
| CN208216261U (en) * | 2018-05-14 | 2018-12-11 | 台州科迅印刷设备科技有限公司 | A kind of bottle body printing fixture of adjustable diameter |
| CN209175621U (en) * | 2018-12-24 | 2019-07-30 | 江苏常美医疗器械有限公司 | Foley's tube rotating device |
-
2018
- 2018-12-24 CN CN201811578951.1A patent/CN109434718B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201040362Y (en) * | 2006-12-18 | 2008-03-26 | 燕山大学 | Multi-paw centering clamping system |
| CN102658530A (en) * | 2012-05-10 | 2012-09-12 | 河北中迈机电设备有限公司 | Hydraulic clamp with rotary and linear movement locus and use method thereof |
| CN104149053A (en) * | 2014-08-05 | 2014-11-19 | 昆山市烽禾升精密机械有限公司 | Novel rotating positioning mechanism |
| CN204036316U (en) * | 2014-08-06 | 2014-12-24 | 温州市骐邦环保科技有限公司 | One feeds formula camshaft phase adjuster assembling jig |
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| CN206795643U (en) * | 2017-04-19 | 2017-12-26 | 成都飞机工业（集团）有限责任公司 | A kind of modular catheter positioner |
| CN207256057U (en) * | 2017-07-26 | 2018-04-20 | 江苏立讯机器人有限公司 | Rotary jig |
| CN108326782A (en) * | 2018-04-09 | 2018-07-27 | 方丹卉 | A kind of turntable clamper |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289352A (en) * | 2020-03-27 | 2020-06-16 | 江苏理工学院 | Vascular stent twists reverse testing arrangement |
| CN112485132A (en) * | 2020-11-19 | 2021-03-12 | 东莞市镁安医疗器械有限公司 | Vascular stent twists reverse testing arrangement |
| CN112485132B (en) * | 2020-11-19 | 2024-01-19 | 东莞市镁安医疗器械有限公司 | Vascular stent torsion testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109434718B (en) | 2024-01-26 |
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