CN203506780U - Minimally-invasive suture knotter - Google Patents
Minimally-invasive suture knotter Download PDFInfo
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- CN203506780U CN203506780U CN201320518992.8U CN201320518992U CN203506780U CN 203506780 U CN203506780 U CN 203506780U CN 201320518992 U CN201320518992 U CN 201320518992U CN 203506780 U CN203506780 U CN 203506780U
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- needle
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- suture
- bracing wire
- wheel
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Abstract
The utility model provides a minimally-invasive suture knotter, and belongs to the technical field of medical instruments. The minimally-invasive suture knotter is characterized in that a suture needle, a rotary wheel A and a rotary wheel B are installed on a needle base, a rotary wheel reset pull wire and a rotary wheel pull wire are connected with the rotary wheel B, the rotary wheel A and the rotary wheel B are connected with a connection rod, the connection rod is connected with a pair of clamp needle pliers, a needle locking device is installed above the suture needle, a reset spring is arranged between the needle locking device and the needle base, the rear end of the needle locking device is connected with a needle locking device pull wire, the needle base is connected with a case through a connecting rod, a needle locking device drive wheel is connected with the needle locking device pull wire, a small gear is fixedly connected with a rotary needle drive wheel connected with the rotary wheel pull wire, the top of a drive lever is matched with the needle locking device drive wheel in a butting contact mode, the bottom of the drive lever is fixedly connected with a fixed handle, a large drive gear is fixedly connected with a movable handle, and a reset pull wire spring is connected with the rotary wheel reset pull wire and a spring fixing shaft. A doctor can mechanically and manually operate the knotter with a single hand outside a cavity, 360-degree rotation of the suture needle can be achieved, and suture and knotting meeting knotting standard requirements can be achieved.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specially Wicresoft's stitching knotter.
Background technology
Because operating theater instruments in Minimally Invasive Surgery enters body cavity by miniature incision, the working place of Minimally Invasive Surgery is subject to significant limitation, and this has weakened completing of some traditional surgery action to a certain extent.In a traditional surgical operation, surgical action can be decomposed into following three kinds: peel off cutting and stitching knotting.Sewing up knotting is a kind of wound processing method the most widely.In Minimally Invasive Surgery, although it brings many benefits to patient, for doctor's operation, there is following disadvantage: 1) visual field is limited; 2) handle operation tool difficulty; 3) mobility is poor; 4) there is no tactile feedback.These shortcomings have increased complexity and the degree of difficulty of sewing up knotting in Minimally Invasive Surgery.In Minimally Invasive Surgery, sew up at present knotting and mainly contain two kinds of methods, the one, the stitching knotting method of employing traditional operation, new hand (doctor) must carry out two months or training for more time, and complexity is high, and difficulty is large, and operating time is long.The 2nd, adopt robot assisted Wicresoft to sew up knotting, the method for simulation staff knotting, complexity is still higher, and operator are had to special requirement, and equipment is very expensive, is relatively difficult to popularize.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is that design provides a kind of technical scheme of Wicresoft's stitching knotter of pure machinery, this wire twister can supply doctor's one-handed performance, to simplify Wicresoft, sew up complexity and the difficulty of knotting, operation wound can be down to compared with low spot, the precision that improves operation, alleviates doctor's fatigue strength greatly, promotes the application of Minimally Invasive Surgery and popularizes.
Described Wicresoft's stitching knotter, it is characterized in that comprising needle stand, needle stand front portion arranges needle tray, suture needle is arranged in needle tray, suture needle afterbody anchor suture, runner A, runner B are set on needle stand, runner reset bracing wire and runner bracing wire and runner B are connected, runner A, runner B are connected with connecting rod link, connecting rod is connected by folder needle pliering bearing pin and folder needle pliering, and suture needle is clamped by connecting rod and folder needle pliering, and purl device is installed in suture needle top, between purl device and needle stand, back-moving spring is set, purl device rear end connects the bracing wire of purl device, purl pin one end is arranged in the folder needle pliering guide groove of folder needle pliering, and the purl pin other end is arranged in the groove of purl device, needle stand rear end and connecting rod are connected, and connecting rod inner side arranges the passage of runner bracing wire, runner reset bracing wire, the bracing wire of purl device, connecting rod rear end and casing are connected, the purl device driving wheel being rotatably assorted with it is installed in casing, revolve pin driving wheel, purl device driving wheel is connected with the bracing wire of purl device, pinion with revolve pin driving wheel and be fixedly connected with, drive gear wheel, activation lever is arranged in casing by rotating shaft, activation lever top contacts cooperation with purl device driving wheel, drive gear wheel to be fixedly connected with flexible handle, arc groove is set on flexible handle, activation lever bottom is connected by spring holder B and arc groove, reset stay spring one end is connected with runner reset bracing wire, the reset stay spring other end is connected with spring fixed axis.
Described Wicresoft's stitching knotter, is characterized in that needle stand coordinates by connecting pin A is hinged with connecting rod, and needle stand one end is spherical, needle stand spherical part in connecting rod around connecting pin A deflection.
Described Wicresoft's stitching knotter, it is characterized in that connecting rod inner side arranges deflection pull bar, deflection pull bar front end coordinates by connecting pin C is hinged with needle stand, three lower dowel holes are set on casing, are equipped with knob on casing, on knob, correspondence arranges three upper dowel holes, knob, casing are by alignment pin A locking positioning, knob bottom is equipped with rotary support, and rotary support coordinates by connecting pin D is hinged with deflection back end of tie rod
Described Wicresoft's stitching knotter, is characterized in that described at least one side of suture needle arranges suture needle groove, and connecting rod and folder needle pliering are clamped on the suture needle groove of suture needle.
Described Wicresoft's stitching knotter, the needle body radian that it is characterized in that described suture needle is 220 degree-270 degree.
Described Wicresoft's stitching knotter, is characterized in that described purl device is split-type structural, the purl device A being slidably matched, purl device B, consists of.
Described Wicresoft's stitching knotter, is characterized in that runner reset bracing wire front and rear portions arranges respectively and tactile little fabric wheel C, the little fabric wheel A coordinating of its pressure, and little fabric wheel C is arranged on needle stand, and little fabric wheel A is arranged on casing.
Described Wicresoft's stitching knotter, is characterized in that runner bracing wire front and rear portions arranges respectively and tactile little fabric wheel D, the little fabric wheel B coordinating of its pressure, and little fabric wheel D is arranged on needle stand, and little fabric wheel B is arranged on casing.
Above-mentioned Wicresoft stitching knotter, can realize 360 ° of rotations of suture needle for one-handed performance outside the pure mechanical, hand-driven of doctor chamber, completes stitching and the knotting of sewing up knotting code requirement; Also can adopt the certain angle of man-operated mechanism drive head deflection, convenient stitching knotting operation, to simplify Wicresoft, sew up complexity and the difficulty of knotting, operation wound can be down to compared with low spot, improve the precision of operation, greatly alleviate doctor's fatigue strength, promote the application of Minimally Invasive Surgery and popularize.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is fragmentary top TV structure schematic diagram of the present utility model;
Fig. 3 is the structural representation of purl device;
Fig. 4 is this utility model fragmentary top TV structure schematic diagram of suture needle Rotate 180 while spending;
Fig. 5 is the connecting portion structural representation of shaft and casing;
Fig. 6 is flexible handle and activation lever syndeton schematic diagram;
Fig. 7 is the structural representation of suture needle;
In figure: 1-suture needle, 1a-suture, 1b-suture needle groove, 2-connecting rod, 3-needle stand, 4-runner A, 5-runner B, 6-connecting pin A, 7-connecting rod, 8-deflection pull bar, 9-runner reset bracing wire, the bracing wire of 10-purl device, 11-rotary support, 12-alignment pin A, 13-knob, the little fabric wheel A of 14-, 15-casing, 16-reset stay spring, 17-spring fixed axis, 18-spring holder B, 19-fixed handle, 19a-arc groove, 19b-pin-and-hole, 20-activation lever, 21-flexible handle, 22-rotating shaft, 23-drives gear wheel, 24-pinion, 25-revolves pin driving wheel, 26-purl device driving wheel, the little fabric wheel B of 27-, 28-connecting pin B, 29-purl device, 29a-purl device A, 29b-purl device B, 30-back-moving spring, 31-presss from both sides needle pliering, 31a-folder needle pliering guide groove, 32-folder needle pliering bearing pin, the little fabric wheel C of 33-, 34-connecting pin C, the bracing wire of 35-runner, the little fabric wheel D of 36-, 37-purl pin, the upper dowel hole of 38-, 39-connecting pin D.
The specific embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.
As shown in the figure, this Wicresoft's stitching knotter comprises needle stand 3, needle stand 3 front portions arrange needle tray, suture needle 1 is arranged in needle tray, suture needle 1 afterbody anchor suture 1a, runner A4 is set on needle stand 3, runner B5, runner reset bracing wire 9 and runner bracing wire 35 are connected with runner B5, runner A4, runner B5 and connecting rod 2 chain connections, connecting rod 2 is connected by folder needle pliering bearing pin 32 and folder needle pliering 31, suture needle 1 is by connecting rod 2 and 31 clampings of folder needle pliering, purl device 29 is installed in suture needle 1 top, between purl device 29 and needle stand 3, back-moving spring 30 is set, purl device 29 rear ends connect purl device bracing wire 10, purl pin 37 one end are arranged in the folder needle pliering guide groove 31a of folder needle pliering 31, and purl pin 37 other ends are arranged in the groove of purl device 29, needle stand 3 rear ends and connecting rod 7 are connected, and connecting rod 7 inner sides arrange the passage of runner bracing wire 35, runner reset bracing wire 9, purl device bracing wire 10, connecting rod 7 rear ends and casing 15 are connected, the purl device driving wheel 26 that the interior installation of casing 15 is rotatably assorted with it, revolve pin driving wheel 25, purl device driving wheel 26 is connected with purl device bracing wire 10, pinion 24 with revolve pin driving wheel 25 and be fixedly connected with, drive gear wheel 23, activation lever 20 is arranged in casing 15 by rotating shaft 22, revolving pin driving wheel 25 is connected with runner bracing wire 35, fixed handle 19, spring fixed axis 17 is fixedly mounted in casing 15, activation lever 20 tops contact and coordinate with purl device driving wheel 26, activation lever 20 bottoms are fixedly connected with fixed handle 19 by spring holder B18, drive gear wheel 23 to be fixedly connected with flexible handle 21, activation lever 20 tops contact cooperation with purl device driving wheel 26, drive gear wheel 23 to be fixedly connected with flexible handle 21, arc groove 19a is set on flexible handle 21, activation lever 20 bottoms are connected by spring holder B18 and arc groove 19a, activation lever 20 is fixedly connected with spring holder B18, and spring holder B18 can slide in arc groove 19a, reset stay spring 16 one end are connected with runner reset bracing wire 9, and reset stay spring 16 other ends are connected with spring fixed axis 17.
Needle stand 3 coordinates by connecting pin A6 is hinged with connecting rod 7, and needle stand 3 one end are spherical, needle stand 3 spherical parts in connecting rod 7 around connecting pin A6 deflection.Connecting rod 7 inner sides arrange deflection pull bar 8, deflection pull bar 8 front ends coordinate by connecting pin C34 is hinged with needle stand 3, three lower dowel holes are set on casing 15, on casing 15, be equipped with knob 13, on knob 13, correspondence arranges three upper dowel holes 38, knob 13, casing 15 are by alignment pin A12 locking positioning, and knob 13 bottoms are equipped with rotary support 11, and rotary support 11 coordinates by connecting pin D39 is hinged with deflection pull bar 8 rear ends.Each 45 degree position, the main realization of deflection pull bar 8 left and right and interposition rotation, extract alignment pin A12, turning knob 13, on casing 15, there are three dowel holes respectively to turn 45 degree in left and right, rotary support 11 pulls deflection position bar 8 to move, described deflection pull bar 8 is hinged by connecting pin D39 with rotary support 11, and deflection position bar 8 pulls rotary support 11 to rotate 45 degree by desired direction, easy to operate.Connecting rod 7 rear ends and casing 15 are connected, and with connecting pin, B28 fixes.
Described at least one side of suture needle 1 arranges suture needle groove 1b, and connecting rod 2 and folder needle pliering 31 are clamped on the suture needle groove 1b of suture needle 1.The needle body radian of suture needle 1 is 220 degree-270 degree.Described purl device 29 is split-type structural, the purl device A29a being slidably matched, purl device B29b, consists of.Runner reset bracing wire 9 front and rear portions arrange respectively with its pressure and touch little fabric wheel C33, the little fabric wheel A14 coordinating, and little fabric wheel C33 is arranged on needle stand 3, and little fabric wheel A14 is arranged on casing 15.Runner bracing wire 35 front and rear portions arrange respectively with its pressure and touch little fabric wheel D36, the little fabric wheel B27 coordinating, and little fabric wheel D36 is arranged on needle stand 3, and little fabric wheel B27 is arranged on casing 15.Arc groove 19a is set on fixed handle 19, and spring holder B18 and arc groove 19a are slidably matched.
During use, hands gripping handle, press flexible handle 21, flexible handle 21 is fixed with driving gear wheel 23,22 rotate to an angle around the shaft, drive gear wheel 23 and pinion 24 engagements, pinion 24 rotates to an angle, pinion 24 with revolve pin driving wheel 25 and be fixedly connected with, revolve pin driving wheel 25 angle same with pinion 24 rotating photos, revolve pin driving wheel 25 and drive runner bracing wire 35 to move, runner bracing wire 35 is fixedly connected with runner B5 around runner B5 is upper, and runner bracing wire 35 is moved and driven runner B5 Rotate 180 degree, described runner B5, runner A4 and connecting rod 2 form parallelogram lindage, and runner A4 is Rotate 180 degree together with runner B5 also, connecting rod 2 and folder needle pliering 31 clamping suture needle 1 Rotate 180 degree, and suture needle 1 is along the guide groove movement of needle stand 3, when hands is pressed flexible handle 21 to certain angle, spring holder B18 in activation lever 20 arrives one end of arc groove 19a, activation lever 20 certain angle that is pressed under the effect of spring holder B18, and fix by the pin-and-hole 19b on spring holder B18 and fixed handle 19, when activation lever 20 is pressed certain angle, drive purl device driving wheel 26 to rotate to an angle, purl device driving wheel 26 drives purl device bracing wire 10 to move very little distance, purl device bracing wire 10 pulls purl device 29 to move, under the effect of purl pin 37, folder needle pliering 31 is around 32 rotations of folder needle pliering bearing pin, folder needle pliering 31 opens and can not clamp suture needle 1 again, the circular arc of purl device 29 is firm in the guide groove of needle stand 3 by suture needle 1 lock simultaneously, complete first element, suture needle 1 Rotate 180 degree, second course of action is to unclamp flexible handle 21, under the effect of reset stay spring 16, runner reset bracing wire 9 drives runner B5 to reset, reverse rotation 180 degree, when flexible handle 21 resets to certain angle, spring holder B18 in activation lever 20 extracts by the inclined-plane on arc groove 19a, activation lever 20 is mobile reset under the effect of back-moving spring 30, purl device 29 moves reset, suture needle 1 can be freely movable in the guide groove of needle stand 3, folder needle pliering 31 again clamps 1, the second action of suture needle and completes, the 3rd course of action is to press again flexible handle 21, repeats first element process, and 180 degree are placed in suture needle 1 again, the 4th course of action is to unclamp again flexible handle 21, revolves needle device and purl device and resets, by four course of action, complete a cycle of revolving pin 360 degree, be equivalent to realize one and sew up or knotting action.
Content described in this description embodiment is only enumerating the way of realization of this utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model is also and in those skilled in the art's equivalent technologies means that design can be expected according to this utility model.
Claims (8)
1. Wicresoft's stitching knotter, it is characterized in that comprising needle stand (3), needle stand (3) front portion arranges needle tray, suture needle (1) is arranged in needle tray, suture needle (1) afterbody anchor suture (1a), needle stand arranges runner A(4 on (3)), runner B(5), runner reset bracing wire (9) and runner bracing wire (35) and runner B(5) be connected, runner A(4), runner B(5) with connecting rod (2) chain connection, connecting rod (2) is connected by folder needle pliering bearing pin (32) and folder needle pliering (31), suture needle (1) is by connecting rod (2) and folder needle pliering (31) clamping, purl device (29) is installed in suture needle (1) top, between purl device (29) and needle stand (3), back-moving spring (30) is set, purl device (29) rear end connects purl device bracing wire (10), purl pin (37) one end is arranged in the folder needle pliering guide groove (31a) of folder needle pliering (31), and purl pin (37) other end is arranged in the groove of purl device (29), needle stand (3) rear end and connecting rod (7) are connected, and connecting rod (7) inner side arranges the passage of runner bracing wire (35), runner reset bracing wire (9), purl device bracing wire (10), connecting rod (7) rear end and casing (15) are connected, the purl device driving wheel (26) being rotatably assorted with it is installed in casing (15), revolve pin driving wheel (25), purl device driving wheel (26) is connected with purl device bracing wire (10), pinion (24) with revolve pin driving wheel (25) and be fixedly connected with, drive gear wheel (23), activation lever (20) is arranged in casing (15) by rotating shaft (22), revolving pin driving wheel (25) is connected with runner bracing wire (35), fixed handle (19), spring fixed axis (17) is fixedly mounted in casing (15), activation lever (20) top contacts cooperation with purl device driving wheel (26), drive gear wheel (23) to be fixedly connected with flexible handle (21), arc groove (19a) is set on flexible handle (21), activation lever (20) bottom is by spring holder B(18) be connected with arc groove (19a), reset stay spring (16) one end is connected with runner reset bracing wire (9), reset stay spring (16) other end is connected with spring fixed axis (17).
2. Wicresoft as claimed in claim 1 stitching knotter, it is characterized in that needle stand (3) with connecting rod (7) by connecting pin A(6) hinged cooperation, needle stand (3) one end is spherical, needle stand (3) spherical part in connecting rod (7) around connecting pin A(6) deflection.
3. Wicresoft as claimed in claim 1 stitching knotter, it is characterized in that connecting rod (7) inner side arranges deflection pull bar (8), deflection pull bar (8) front end with needle stand (3) by connecting pin C(34) hinged cooperation, three lower dowel holes are set on casing (15), on casing (15), be equipped with knob (13), the upper correspondence of knob (13) arranges three upper dowel holes (38), knob (13), casing (15) is by alignment pin A(12) locking positioning, knob (13) bottom is equipped with rotary support (11), rotary support (11) with deflection pull bar (8) rear end by connecting pin D(39) hinged cooperation.
4. Wicresoft as claimed in claim 1 stitching knotter, is characterized in that described at least one side of suture needle (1) arranges suture needle groove (1b), and connecting rod (2) and folder needle pliering (31) are clamped on the suture needle groove (1b) of suture needle (1).
5. Wicresoft as claimed in claim 1 stitching knotter, the needle body radian that it is characterized in that described suture needle (1) is 220 degree-270 degree.
6. Wicresoft as claimed in claim 1 stitching knotter, is characterized in that described purl device (29) be split-type structural, by the purl device A(29a being slidably matched), purl device B(29b) formation.
7. Wicresoft as claimed in claim 1 stitching knotter, it is characterized in that runner reset bracing wire (9) front and rear portions arranges respectively and its pressure is touched the little fabric wheel C(33 coordinate), little fabric wheel A(14), little fabric wheel C(33) be arranged on needle stand (3) above, little fabric wheel A(14) be arranged on casing (15).
8. Wicresoft as claimed in claim 1 stitching knotter, it is characterized in that runner bracing wire (35) front and rear portions arranges respectively and its pressure is touched the little fabric wheel D(36 coordinate), little fabric wheel B(27), little fabric wheel D(36) be arranged on needle stand (3) above, little fabric wheel B(27) be arranged on casing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320518992.8U CN203506780U (en) | 2013-08-24 | 2013-08-24 | Minimally-invasive suture knotter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320518992.8U CN203506780U (en) | 2013-08-24 | 2013-08-24 | Minimally-invasive suture knotter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203506780U true CN203506780U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320518992.8U Withdrawn - After Issue CN203506780U (en) | 2013-08-24 | 2013-08-24 | Minimally-invasive suture knotter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203506780U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103431883A (en) * | 2013-08-24 | 2013-12-11 | 杭州慧泉医药科技有限公司 | Minimally-invasive suture knot-tying device |
| CN103989493A (en) * | 2014-06-11 | 2014-08-20 | 上海中山医疗科技发展公司 | Rapid deep-portion knotting device for minimally invasive surgery |
| CN107456253A (en) * | 2017-07-20 | 2017-12-12 | 西安康拓医疗技术有限公司 | The knotting device and its knotting method of suture in a kind of heart valve surgery |
| CN110251176A (en) * | 2019-07-04 | 2019-09-20 | 江苏盛泽医院 | Knotting needle and knotting method |
| CN111419310A (en) * | 2020-04-20 | 2020-07-17 | 邦尼医疗科技(常州)有限公司 | Laparoscope stitching instrument |
| CN116636891A (en) * | 2023-07-26 | 2023-08-25 | 中南大学 | Convenient detachable continuous reciprocating motion laparoscope stitching instrument with curved needle |
| CN116784909A (en) * | 2023-08-28 | 2023-09-22 | 长沙英迈医工研究院有限公司 | Medical surgical stapler device |
-
2013
- 2013-08-24 CN CN201320518992.8U patent/CN203506780U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103431883A (en) * | 2013-08-24 | 2013-12-11 | 杭州慧泉医药科技有限公司 | Minimally-invasive suture knot-tying device |
| CN103431883B (en) * | 2013-08-24 | 2015-09-09 | 杭州慧泉医药科技有限公司 | Wicresoft's stitching knotter |
| CN103989493A (en) * | 2014-06-11 | 2014-08-20 | 上海中山医疗科技发展公司 | Rapid deep-portion knotting device for minimally invasive surgery |
| CN107456253A (en) * | 2017-07-20 | 2017-12-12 | 西安康拓医疗技术有限公司 | The knotting device and its knotting method of suture in a kind of heart valve surgery |
| CN110251176A (en) * | 2019-07-04 | 2019-09-20 | 江苏盛泽医院 | Knotting needle and knotting method |
| CN111419310A (en) * | 2020-04-20 | 2020-07-17 | 邦尼医疗科技(常州)有限公司 | Laparoscope stitching instrument |
| CN116636891A (en) * | 2023-07-26 | 2023-08-25 | 中南大学 | Convenient detachable continuous reciprocating motion laparoscope stitching instrument with curved needle |
| CN116636891B (en) * | 2023-07-26 | 2023-11-28 | 中南大学 | Convenient detachable continuous reciprocating motion laparoscope stitching instrument with curved needle |
| CN116784909A (en) * | 2023-08-28 | 2023-09-22 | 长沙英迈医工研究院有限公司 | Medical surgical stapler device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20150909 |
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| RGAV | Abandon patent right to avoid regrant |