CN112774021A - Y valve locking device and guiding device - Google Patents
Y valve locking device and guiding device Download PDFInfo
- Publication number
- CN112774021A CN112774021A CN202110159903.4A CN202110159903A CN112774021A CN 112774021 A CN112774021 A CN 112774021A CN 202110159903 A CN202110159903 A CN 202110159903A CN 112774021 A CN112774021 A CN 112774021A
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- Prior art keywords
- valve
- locking
- bevel gear
- motor
- locking device
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- 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
- 230000009467 reduction Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 239000008280 blood Substances 0.000 abstract description 5
- 210000004369 blood Anatomy 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 210000005077 saccule Anatomy 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M2039/226—Spindles or actuating means
Abstract
The invention provides a Y valve locking device and a guiding device, which comprise a rotation driving mechanism, wherein the rotation driving mechanism comprises a motor and a reduction gear set, the motor is connected with the input end of the reduction gear set, the output end of the reduction gear set is detachably connected with a locking knob, and the motor drives the locking knob to rotate forward or backward by a preset angle through the reduction gear set. The Y valve locking device can realize continuous stepless adjustment of the rotation angle of the locking knob, thereby realizing continuous adjustment and control of the locking force of the locking knob, ensuring that the locking force meets the requirements of operations, avoiding blood overflow caused by too small locking force, avoiding too large resistance in the process of pushing a guide wire or a catheter with a saccule/bracket to a focus caused by too large locking force, and realizing complete loosening or complete locking of the locking knob. The locking device has the advantages of simple structure, convenience in use and convenience in replacement of the Y valve.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a Y valve locking device and a guide device.
Background
The Y valve (namely Y-shaped connecting valve) is a commonly used interventional medical device, is used for being matched with a guide wire or a catheter in a clinical operation, when the Y valve is used, the front and rear connectors of the Y valve need to be locked to prevent blood from overflowing, but if the locking force is too large, the resistance of the guide wire or the catheter with a saccule/bracket in the process of pushing the guide wire or the catheter with the saccule/bracket to a focus is too large to meet the operation requirement, and the locking force of the Y valve is difficult to control at present.
Disclosure of Invention
The invention aims to provide a Y valve locking device and a guide device, which aim to solve the problem that the locking force of a Y valve is difficult to control.
In order to achieve the above purpose, the invention provides a Y valve locking device for adjusting a locking force of a Y valve, wherein the Y valve is provided with a locking knob located at an interface of the Y valve, the Y valve locking device comprises a rotation driving mechanism, the rotation driving mechanism comprises a motor and a reduction gear set, the motor is connected with an input end of the reduction gear set, an output end of the reduction gear set is detachably connected with the locking knob, and the motor drives the locking knob to rotate forward or backward by a preset angle through the reduction gear set.
The Y-valve locking device as described above, wherein the reduction gear set includes a driving bevel gear and a driven bevel gear that are engaged with each other, the motor is connected to the driving bevel gear, and the driven bevel gear is connected to the locking knob.
The Y-valve locking apparatus as described above, wherein the driven bevel gear has a hollow extension shaft, and the locking knob is inserted into the extension shaft and detachably connected to the extension shaft.
The Y valve locking device comprises a locking knob, wherein the locking knob is arranged on the outer side wall of the locking knob, and the extension shaft is provided with a key groove matched with the key groove.
The Y valve locking device comprises a supporting seat for placing the Y valve, the extending shaft is arranged on the supporting seat, a bearing is sleeved on the outer side of the extending shaft, and a bearing seat is arranged between the bearing and the supporting seat.
The Y valve locking device as described above, wherein the Y valve locking device includes a support base and a cover body disposed on the support base, the cover body is rotatably connected to the support base, an installation space for installing the Y valve and the driven bevel gear is formed between the support base and the cover body, and the motor and the drive bevel gear are disposed outside the installation space.
The Y-valve locking apparatus as described above, wherein the motor is located below the support base, and an axial direction of the motor is perpendicular to an axial direction of the driven bevel gear.
The Y valve locking device as described above, wherein the two ends of the Y valve are respectively provided with a connector, the connectors at the two ends of the Y valve are respectively provided with one locking knob, the Y valve locking device includes two sets of the rotation driving mechanisms, and the output ends of the reduction gear sets of the two sets of the rotation driving mechanisms are respectively connected with the two locking knobs and can respectively drive the two locking knobs to rotate.
The invention also provides a guiding device which comprises the Y valve and the Y valve locking device.
The guide device as described above, wherein the reduction gear set includes a drive bevel gear and a driven bevel gear that are engaged with each other, an axial direction of the driven bevel gear is the same as an axial direction of the Y-valve, the motor and the drive bevel gear are located laterally of the Y-valve, and the axial directions of the motor and the drive bevel gear are perpendicular to the axial direction of the Y-valve.
The Y valve locking device and the guiding device have the characteristics and advantages that:
1. the Y valve locking device can realize continuous stepless adjustment of the rotation angle of the locking knob, thereby realizing continuous adjustment and control of the locking force of the locking knob, ensuring that the locking force meets the requirements of operations, avoiding blood overflow caused by too small locking force, avoiding too large resistance in the process of pushing a guide wire or a catheter with a saccule/bracket to a focus caused by too large locking force, and realizing complete loosening or complete locking of the locking knob. The locking device has the advantages of simple structure, convenience in use and convenience in replacement of the Y valve;
2. the Y valve locking device of the invention can change the power transmission direction by adopting the bevel gear as the reduction gear set, saves the installation space and leads the structure to be more compact.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is an angular perspective view of a Y-valve lock according to one embodiment of the present invention;
FIG. 2 is a schematic perspective view of another angle of the Y-valve lockout device of FIG. 1;
FIG. 3 is an exploded schematic view of the Y-valve lockout device of FIG. 1;
FIG. 4 is a schematic view of the motor and drive bevel gear engagement of the present invention;
FIG. 5 is a schematic view of the support base and the cover of the present invention;
FIG. 6 is a schematic view of the driven bevel gear of the present invention;
fig. 7 is a schematic view of the structure of the Y-connection valve.
Main element number description:
1. a rotation driving mechanism;
11. a motor; 12. a reduction gear set; 121. a drive bevel gear; 122. a driven bevel gear;
1221. an extension shaft; 1222. a keyway; 13. a motor base;
2. a supporting seat; 21. a Y-shaped groove; 22. a front end mounting groove; 23. a rear end mounting groove; 24. a support groove;
3. a cover body; 4. a bearing; 5. a bearing seat;
100. a Y valve; 101. locking the knob; 1011. a plug-in key;
102. a straight pipe; 1021. a conduit; 103. and a side pipe.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings. Where adjective or adverbial modifiers "upper" and "lower", "top" and "bottom", "inner" and "outer" are used merely to facilitate relative reference between groups of terms, and do not describe any particular directional limitation on the modified terms. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, unless otherwise specified, the term "connected" is to be understood broadly, for example, it may be a fixed connection, a detachable connection, a direct connection, or an indirect connection via an intermediate medium, and it is obvious to those skilled in the art that the above terms are used in the patent in a specific sense.
Unless the directions indicated are individually defined, all directions referred to herein as up, down, left, right, etc. are defined as up, down, left, right, etc. directions shown in fig. 2 of the present invention, and are herein incorporated by reference.
Implementation mode one
As shown in fig. 1 to 3, the present invention provides a Y valve locking device for adjusting a locking force of a Y valve, the Y valve is a rotary Y-type connection valve, the Y valve has a locking knob at an interface thereof, the Y valve locking device includes a rotary driving mechanism 1, the rotary driving mechanism 1 includes a motor 11 and a reduction gear set 12, the motor 11 is connected to an input end of the reduction gear set 12, an output end of the reduction gear set 12 is detachably connected to a locking knob 101, and the motor 11 drives the locking knob 101 to rotate forward or backward by a preset angle through the reduction gear set 12, thereby controlling the locking force of the Y valve 100.
The invention can realize the continuous stepless adjustment of the rotation angle of the locking knob, thereby realizing the continuous adjustment and control of the locking force of the locking knob, ensuring that the locking force meets the requirements of the operation, not only preventing blood from overflowing due to too small locking force, but also preventing too large resistance in the process of pushing a guide wire or a catheter with a saccule/bracket to a focus due to too large locking force, and certainly realizing the complete loosening or complete locking of the locking knob. The locking device has the advantages of simple structure, convenience in use and convenience in replacement of the Y valve.
As shown in fig. 7, specifically, the Y-valve 100 includes a straight tube 102 and a side tube 103, the straight tube 102 and the side tube 103 are connected to form a Y-shaped structure, the straight tube 102 has a front end interface and a rear end interface, a locking knob 101 is respectively disposed at the front end interface and the rear end interface, and when the locking knob 101 is rotated, the locking knob 101 presses a silica gel pad on the inner side of the locking knob to deform, so as to lock or unlock the interfaces. In fig. 3, the locking knob 101 on the right side is arranged at the interface of the front end of the straight tube 102, and the Y valve is locked by adjusting the locking force of the locking knob 101 on the right side, so that blood is prevented from overflowing due to too small locking force during surgery; the locking knob 101 positioned on the left side is arranged at a rear end interface of the straight pipe 102 and used for controlling rotation of the pipe 1021, the pipe 1021 is connected with the rear end interface of the straight pipe 102, the pipe 1021 is provided with an elbow, the elbow is guided in a blood vessel by rotating the pipe 1021 during an operation, and the locking force of the locking knob 101 on the left side is adjusted to meet the operation requirement, so that the resistance of the pipe in the process of pushing the pipe to a focus due to too large locking force during the operation is prevented from being too large. Since the structure of the Y-valve 100 is prior art, the present invention will not be described in detail.
As shown in fig. 1, in an embodiment of the present invention, the Y valve locking device includes two sets of rotation driving mechanisms 1, and output ends of the reduction gear sets 12 of the two sets of rotation driving mechanisms 1 are respectively connected to the two locking knobs 101 and can respectively drive the two locking knobs 101 to rotate.
As shown in fig. 1 to 3, in an embodiment of the present invention, the reduction gear set 12 includes a driving bevel gear 121 and a driven bevel gear 122 that are engaged with each other, the motor 11 is connected to the driving bevel gear 121, the driven bevel gear 122 is connected to the locking knob 101, the driving bevel gear 121 is a pinion gear, and the driven bevel gear 122 is a bull gear, so as to achieve reduction. In the present embodiment, the bevel gear is used to change the direction of power transmission, so that the drive bevel gear 121 and the driven bevel gear 122 can be disposed in different directions, thereby saving installation space and making the structure more compact.
For example, the drive bevel gear 121 is fitted over the output shaft of the motor 11, and the drive bevel gear 121 and the output shaft of the motor 11 are fixedly connected by a jackscrew.
As shown in fig. 3 and 6, further, the driven bevel gear 122 has a hollow extension shaft 1221, and the locking knob 101 is inserted into the extension shaft 1221 and detachably connected to the extension shaft 1221.
As shown in fig. 7, further, the outer sidewall of the locking knob 101 is provided with a plug key 1011, and the inner sidewall of the extension shaft 1221 is provided with a key slot 1222 matching with the plug key 1011, i.e. the connection mode between the extension shaft 1221 and the locking knob 101 is a key connection, which is convenient for disassembly and assembly.
As shown in fig. 6 and 7, specifically, the plug key 1011 is a plurality of ribs protruding from the outer side wall of the locking knob 101, each rib is arranged along the axial direction of the locking knob 101, the plurality of ribs are arranged at intervals along the circumferential direction of the locking knob 101, correspondingly, the plurality of key slots 1222 are correspondingly arranged, and the plurality of key slots 1222 are arranged at intervals along the circumferential direction of the extension shaft 1221. However, the present invention is not limited thereto, and the extension shaft 1221 and the locking knob 101 may be connected by other means, such as a pin connection.
As shown in fig. 1, 2 and 5, further, the Y valve locking device further includes a supporting base 2 and a cover 3 disposed on the supporting base 2, the cover 3 is rotatably connected to the supporting base 2, an installation space for installing the Y valve 100 and the driven bevel gear 122 is formed between the supporting base 2 and the cover 3, the motor 11 and the drive bevel gear 121 are disposed outside the installation space, the installation space is not occupied, the volume of the supporting base 2 and the cover 3 is reduced, and the assembly of the Y valve locking device and the catheter/guide wire pushing device is facilitated.
Further, the motor 11 is located below the support base 2, and an axial direction of the motor 11 is perpendicular to an axial direction of the driven bevel gear 122.
Specifically, the cover body 3 is located above the support base 2, the cover body 3 and the support base 2 can be connected in a hinged manner, and the motor 11 and the drive bevel gear 121 are located below the support base 2, so that the plane size occupied by the Y valve locking device is reduced.
As shown in fig. 2 and 3, further, an extension shaft 1221 is disposed on the support base 2, a bearing 4 is sleeved outside the extension shaft 1221, and a bearing seat 5 is disposed between the bearing 4 and the support base 2 to support the driven bevel gear 122 and the locking knob 101 to rotate through the bearing seat 5 and the bearing 4.
As shown in fig. 3 and 5, further, the upper surface of the support base 2 is provided with a Y-shaped groove 21, a front end mounting groove 22, a rear end mounting groove 23 and a support groove 24, the straight tube 102 and the side tube 103 of the Y-valve 100 are embedded in the Y-shaped groove 21, two locking knobs 101 of the Y-valve 100 are respectively mounted at the front end mounting groove 22 and the rear end mounting groove 23, the bearings 4 and the bearing seats 5 which are matched with the two locking knobs 101 are also mounted at the corresponding mounting grooves, and the support groove 24 is used for supporting the guide tube 1021 on the Y-valve 100.
Further, the motor 11 is a dc brushless motor.
As shown in fig. 4, in an embodiment of the present invention, the rotary driving mechanism 1 further includes a motor base 13, the motor base 13 is configured to be fixed on another bracket or support, the motor 11 is mounted on the motor base 13, for example, the motor 11 is fixed below the motor base 13, and the drive bevel gear 121 is located above the motor base 13.
Second embodiment
As shown in fig. 1 to 3, the present invention further provides a guiding device, which includes a Y valve 100 and a Y valve locking device, wherein the Y valve 100 is a rotary Y-type connecting valve, and the structure, operation principle and beneficial effects of the Y valve locking device in this embodiment are the same as those of the first embodiment, and are not described herein again.
As shown in fig. 1, 2 and 4, the reduction gear set 12 further includes a driving bevel gear 121 and a driven bevel gear 122 engaged with each other, an axial direction of the driven bevel gear 122 is the same as an axial direction of the Y-valve 100 (i.e., an axial direction of the straight pipe 102), the motor 11 and the driving bevel gear 121 are located at a side direction of the Y-valve 100, and the axial directions of the motor 11 and the driving bevel gear 121 are perpendicular to the axial direction of the Y-valve 100, so that the structure is compact.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention. It should be noted that the components of the present invention are not limited to the above-mentioned whole application, and various technical features described in the present specification can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention.
Claims (10)
1. The utility model provides a Y valve locking device, its characterized in that, Y valve locking device is used for adjusting the locking force of Y valve, the Y valve has the locking knob that is located its kneck, Y valve locking device includes rotary drive mechanism, rotary drive mechanism includes motor and reduction gear group, the motor with reduction gear group's input is connected, reduction gear group's output with locking knob detachably connects, the motor passes through reduction gear group drives the locking knob forward or the reverse rotation predetermines the angle.
2. The Y-valve locking apparatus of claim 1, wherein the reduction gear set comprises a driving bevel gear and a driven bevel gear that are engaged, the motor is connected to the driving bevel gear, and the driven bevel gear is connected to the locking knob.
3. The Y-valve locking apparatus of claim 2, wherein the driven bevel gear has a hollow extension shaft, and the locking knob is inserted into the extension shaft and detachably connected to the extension shaft.
4. The Y-valve locking device of claim 3, wherein the locking knob is provided with an insertion key on an outer side wall thereof, and the extension shaft is provided with a key groove on an inner side wall thereof for engaging with the insertion key.
5. The Y-valve locking device according to claim 3, wherein the Y-valve locking device comprises a support seat for placing the Y-valve, the extension shaft is arranged on the support seat, a bearing is sleeved outside the extension shaft, and a bearing seat is arranged between the bearing and the support seat.
6. The Y-valve locking apparatus of claim 2, comprising a support base and a cover body provided on the support base, the cover body being rotatably coupled to the support base, an installation space for installing the Y-valve and the driven bevel gear being formed between the support base and the cover body, the motor and the drive bevel gear being provided outside the installation space.
7. The Y-valve locking apparatus of claim 6, wherein the motor is located below the support base, and an axial direction of the motor is perpendicular to an axial direction of the driven bevel gear.
8. The Y valve locking device according to any one of claims 1 to 7, wherein interfaces are respectively provided at both ends of the Y valve, the locking knobs are respectively provided at the interfaces at both ends of the Y valve, the Y valve locking device comprises two sets of the rotation driving mechanisms, and output ends of reduction gear sets of the two sets of the rotation driving mechanisms are respectively connected with the two locking knobs and can respectively drive the two locking knobs to rotate.
9. A guide means, wherein the guide means comprises a Y-valve and a Y-valve lock means as claimed in any one of claims 1 to 8.
10. The guide device of claim 9, wherein the reduction gear set comprises a driving bevel gear and a driven bevel gear which are engaged with each other, an axial direction of the driven bevel gear is the same as an axial direction of the Y valve, the motor and the driving bevel gear are located at a side direction of the Y valve, and the axial directions of the motor and the driving bevel gear are perpendicular to the axial direction of the Y valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110159903.4A CN112774021B (en) | 2021-02-05 | 2021-02-05 | Y valve locking device and guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110159903.4A CN112774021B (en) | 2021-02-05 | 2021-02-05 | Y valve locking device and guiding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112774021A true CN112774021A (en) | 2021-05-11 |
| CN112774021B CN112774021B (en) | 2022-07-29 |
Family
ID=75761038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110159903.4A Active CN112774021B (en) | 2021-02-05 | 2021-02-05 | Y valve locking device and guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112774021B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534088A (en) * | 2022-03-26 | 2022-05-27 | 易度河北机器人科技有限公司 | Full-automatic blood vessel intervention one-way flow valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6193735B1 (en) * | 1996-09-16 | 2001-02-27 | Robert C. Stevens | Combined rotary and axial reciprocating guide wire |
| US20080234631A1 (en) * | 2007-03-19 | 2008-09-25 | Hansen Medical, Inc. | Apparatus systems and methods for flushing gas from a catheter of a robotic catheter system |
| US20090105639A1 (en) * | 2001-02-15 | 2009-04-23 | Hansen Medical, Inc. | Catheter driver system |
| CN105848703A (en) * | 2013-10-15 | 2016-08-10 | 科林达斯公司 | Guide catheter control flexible track |
| US20170156802A1 (en) * | 2014-06-27 | 2017-06-08 | Robocath | Robotic System for Arteriography, Robot and Rotary Drive Part for Such A Robotic System |
| CN110327116A (en) * | 2019-07-09 | 2019-10-15 | 中国科学院自动化研究所 | The catheter delivery device of blood vessel intervention operation robot |
| US20200016371A1 (en) * | 2012-09-06 | 2020-01-16 | Corindus, Inc. | Hemostasis valve for guide catheter control |
-
2021
- 2021-02-05 CN CN202110159903.4A patent/CN112774021B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6193735B1 (en) * | 1996-09-16 | 2001-02-27 | Robert C. Stevens | Combined rotary and axial reciprocating guide wire |
| US20090105639A1 (en) * | 2001-02-15 | 2009-04-23 | Hansen Medical, Inc. | Catheter driver system |
| US20080234631A1 (en) * | 2007-03-19 | 2008-09-25 | Hansen Medical, Inc. | Apparatus systems and methods for flushing gas from a catheter of a robotic catheter system |
| US20200016371A1 (en) * | 2012-09-06 | 2020-01-16 | Corindus, Inc. | Hemostasis valve for guide catheter control |
| CN105848703A (en) * | 2013-10-15 | 2016-08-10 | 科林达斯公司 | Guide catheter control flexible track |
| US20170156802A1 (en) * | 2014-06-27 | 2017-06-08 | Robocath | Robotic System for Arteriography, Robot and Rotary Drive Part for Such A Robotic System |
| CN110327116A (en) * | 2019-07-09 | 2019-10-15 | 中国科学院自动化研究所 | The catheter delivery device of blood vessel intervention operation robot |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534088A (en) * | 2022-03-26 | 2022-05-27 | 易度河北机器人科技有限公司 | Full-automatic blood vessel intervention one-way flow valve |
| CN114534088B (en) * | 2022-03-26 | 2023-11-21 | 易度河北机器人科技有限公司 | Full-automatic vascular intervention one-way circulation valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112774021B (en) | 2022-07-29 |
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