CN201316308Y - Universal external fixer - Google Patents
Universal external fixer Download PDFInfo
- Publication number
- CN201316308Y CN201316308Y CNU2008202290507U CN200820229050U CN201316308Y CN 201316308 Y CN201316308 Y CN 201316308Y CN U2008202290507 U CNU2008202290507 U CN U2008202290507U CN 200820229050 U CN200820229050 U CN 200820229050U CN 201316308 Y CN201316308 Y CN 201316308Y
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- base
- spicule
- bulb
- needle clip
- connecting rod
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Abstract
The utility model provides a universal external fixer, relating to a one-side external fixer combining with a spicule to cure fracture, which comprises a joint lever and two spicule holding bases which are respectively arranged on the two sides of the joint lever, wherein external threads with opposite rotation ways are respectively arranged on the two sides of the joint lever, and the spicule holding base is a turning spicule holding base which can make the spherical rotation, each turning spicule holding base comprises a ball plug, an upper cover, a base and a press plate, and the tail portion of the ball plug is screwed on the external threads corresponded by the joint lever, and the inwards concave portion of the upper cover is connected with the inwards concave portion of the base to form a ball socket for holding the head of the ball plug, and the press plate can be separately fixed on the bases to hold the spicules. The two turning spicule holding bases can respectively rotate 360 degrees opposite to the axial line of the joint lever, change the distance between each other, and can respectively make the spherical rotation opposite to the radial line of the joint lever. The universal external fixer has the function of pressurizing or propping up while realizing the three-dimension adjustment and fixation of the spicules.
Description
Technical field
This utility model relates in a kind of bone surgery the fixedly apparatus of fracture site, particularly relates to unilateral external fixator a kind of and spicule combined treatment fracture.
Background technology
For fixing fracture site in bone surgery, need to use metal spicule percutaneous pierce the far and near end of fracture respectively; The spicule head pierces in the bone, and afterbody exposes; External fixator can be connected and fixed the exposed parts of spicule, and then fracture end is connected into a stable whole.Thereby the para-position of reach fixing fracture site, keeping fracture to line, conveniently carry out positive functional exercise in early days, for union of fracture provides necessary condition.Domestic external fixator commonly used mainly contains two classes: the first kind is for can multidirectional active axial external fixation; Second class is excellent class external fixer.For example, it is ZL01202457.0 that Chinese utility model patent description CN 2462887Y discloses the patent No., and name is called the technical scheme of " combination type monolateral external frisket ", just belongs to the external fixer of the first kind.This technical scheme proposes: this external fixer comprises two ball seats of double connection, has the guide rail pole of spherical termination, the spicule on some needle clip seats and the needle clip seat.The spherical termination of guide rail pole flexibly connects with two ball seats, and needle clip seat and guide rail pole are slidingly connected.Because the axis of the axis of its pair ball seat and connecting rod point-blank, and needle clip seat can not rotate relative to the RADIAL of guide rail pole, can only adjust and fixed bone spicule in two planes; So active action is less, needs to insert special pressurizing tool simultaneously and pressurize or strut.It is ZL 200420117242.0 that China utility model patent description CN 2762764Y discloses the patent No., and name is called the technical scheme of " the monolateral universal bone wound external fixators of using " more, just belongs to the external fixer of second class.This technical scheme proposes: this external fixator is made up of mobile jib, needle stand, pin folder lid and spicule.The horizontal circular hole and the circular mobile jib of needle stand are slidingly matched, and needle ingot shaft has screw that itself and mobile jib are locked in tapped through hole, and needle stand one end is made disc, and another screw is pressed on the pin folder lid and the spicule of trough of belt on the needle stand disk.Needle stand and spicule can conveniently move, rotate or be fixing, can adjust and fixed bone spicule in two planes; The function that also lacks pressurization or strut.Pressurization can make fracture site carry out effective combination, avoids suffering from limb and increases the generation of bone does not connect and bone slow concrescence.Strut the length that can effectively recover limbs, bad fixing under the compression situation of avoiding fracturing effectively prevents the shortening of severed limb.So pressurizeing and strutting is the requisite key index of external fixator in the fracture operation.
The utility model content
This utility model aims to provide a kind of universal external fixator, can realize the three-dimensional function of adjusting fixed bone spicule and having pressurization or strut.
The technical solution of the utility model is: universal external fixator has connecting rod and two needle clip seats that are separately positioned on the connecting rod both sides; The both sides of described connecting rod are provided with the opposite external screw thread of rotation mode respectively; Described needle clip seat is for can spherical rotation turning to needle clip seat; Each turns to a bulb stopper in the needle clip seat, a loam cake, a base and a pressing plate, and this bulb stopper afterbody is screwed on the corresponding external screw thread of connecting rod, and the ball-and-socket that the inner fovea part of this loam cake and the inner fovea part of base are combined to form contains the bulb of this bulb stopper; This pressing plate is fixed on clamping spicule on this base separably.
In the enforcement structure of an optimization: the afterbody of described bulb stopper has separation trough, and the portion separate slot both sides of this bulb stopper are provided with pinching screw.So that locking turns to needle clip seat on connecting rod
Fig. 3-1, Fig. 3-2, Fig. 3-3 are for turning to the superstructure sketch map of needle clip seat among Fig. 1 embodiment.
Fig. 4-1, Fig. 4-2, Fig. 4-3 are for turning to the understructure sketch map of needle clip seat among Fig. 1 embodiment.
Fig. 5-1, Fig. 5-2 is for turning to the pressure plate structure sketch map of needle clip seat among Fig. 1 embodiment.
Fig. 6 turns to the radial deflection angle sketch map of the relative connecting rod of needle clip seat among Fig. 1 embodiment.
Fig. 7 for turn among Fig. 1 embodiment the relative pitman shaft of needle clip seat to anglec of rotation sketch map.
The specific embodiment
Structure of optimizing embodiment of the universal external fixator of this utility model, as shown in Figure 1.This universal external fixator has a connecting rod 1 and two needle clip seats that turn to that are separately positioned on the connecting rod both sides.
Connecting rod 1 is made by titanium alloy, and the cross section, middle part of connecting rod 1 is outer hexagon, and the left side 11 of connecting rod 1 and right side 12 are provided with the opposite external screw thread of rotation mode respectively.
Turn to needle clip seat can do spherical rotation.Turning to of left side have a bulb stopper 2 in the needle clip seat ', loam cake 3, base 4, pressing plate 5, nut 6 and three screws 7.The turning to of right side has a bulb stopper 2, loam cake 3, base 4, pressing plate 5, nut 6 and three screws 7 in the needle clip seat.Wherein, except that the screw thread rotation mode of the screw thread rotation mode of bulb stopper 2 ' endoporus and bulb stopper 2 endoporus is opposite, bulb stopper 2 ' structure identical with the structure of bulb stopper 2.The left side turns to the structure of other each part in the needle clip seat identical with the structure of the corresponding part of right hand steering needle clip seat.So, be their structure and dress of example explanation with the right hand steering needle clip seat
Fig. 3-1, Fig. 3-2, Fig. 3-3 are for turning to the superstructure sketch map of needle clip seat among Fig. 1 embodiment.
Fig. 4-1, Fig. 4-2, Fig. 4-3 are for turning to the understructure sketch map of needle clip seat among Fig. 1 embodiment.
Fig. 5-1, Fig. 5-2, Fig. 5-3 are for turning to the pressure plate structure sketch map of needle clip seat among Fig. 1 embodiment.
Fig. 6 turns to the radial deflection angle sketch map of the relative connecting rod of needle clip seat among Fig. 1 embodiment.
Fig. 7 for turn among Fig. 1 embodiment the relative pitman shaft of needle clip seat to anglec of rotation sketch map.
The specific embodiment
Structure of optimizing embodiment of the universal external fixator of this utility model, as shown in Figure 1.This universal external fixator has a connecting rod 1 and two needle clip seats that turn to that are separately positioned on the connecting rod both sides.
Connecting rod 1 is made by titanium alloy, and the cross section, middle part of connecting rod 1 is outer hexagon, and the left side 11 of connecting rod 1 and right side 12 are provided with the opposite external screw thread of rotation mode respectively.
Turn to needle clip seat can do spherical rotation.Turning to of left side have a bulb stopper 2 in the needle clip seat ', loam cake 3, base 4, pressing plate 5, nut 6 and three screws 7.The turning to of right side has a bulb stopper 2, loam cake 3, base 4, pressing plate 5, nut 6 and three screws 7 in the needle clip seat.Wherein, except that the screw thread rotation mode of the screw thread rotation mode of bulb stopper 2 ' endoporus and bulb stopper 2 endoporus is opposite, bulb stopper 2 ' structure identical with the structure of bulb stopper 2.The left side turns to the structure of other each part in the needle clip seat identical with the structure of the corresponding part of right hand steering needle clip seat.So, be their structure and assembly relation of example explanation with the right hand steering needle clip seat.
Fig. 2-1 is the structural representation of bulb stopper 2, and Fig. 2-2 is the structural representation of bulb stopper 2A-A section.
Please referring to Fig. 2-1, Fig. 2-2.Bulb stopper 2 usefulness titanium alloy materials are made.The afterbody of bulb stopper 2 has a straight length 21 and a lug 22.Lug 22 is positioned at a side of straight length 21, and the opposite side of straight length 21 has a neck axle 23 to connect bulb 24.The afterbody of bulb stopper 2 has screw along the axis of straight length 21; Sidewall at lug 22 and straight length 21 has separation trough 223.A side that is positioned at separation trough 223 on the lug 22 has screw 221, and the opposite side that is positioned at separation trough 223 has corresponding via hole 222, so that in the separation trough both sides pinching screw is set.Bulb 24 inside are emptied, and adopt the blocking technology occlusion of openings, to alleviate the weight of bulb stopper 2.
Fig. 3-1 is the structural representation of loam cake 3, and Fig. 3-2 is the side structure sketch map of loam cake 3, and Fig. 3-3 is the structural representation of loam cake 3B-B section.
Please referring to Fig. 3-1, Fig. 3-2, Fig. 3-3.Loam cake 3 usefulness aluminum alloy materials are made.Loam cake 3 is the plate of approximate trapezoid, has straight bottom surface 31, end face 32 and inner surface 33.Leave a hemispheric inner fovea part 35 from end face 32 beginning at inner surface 33 on the loam cake 3, this inner fovea part 35 has an inward flange 34 corresponding with the neck axle 23 of bulb stopper 2 near end face 32 places; This inner fovea part 35 has the lobe 36 that exceeds inner surface 33 near 31 places, bottom surface.The outer surface both sides of loam cake 3 respectively have a recess 37, offer a via hole 38 in each recess 37.
Fig. 4-1 is the structural representation of base 4, and Fig. 4-2 is the side structure sketch map of base 4, and Fig. 4-3 is the structural representation of base 4C-C section.
Please referring to Fig. 4-1, Fig. 4-2, Fig. 4-3.Base 4 usefulness aluminum alloy materials are made.Base 4 is the blocks of approximate trapezoid, has straight end face 41 and inner surface 42.Leave a hemispheric inner fovea part 45 from end face 41 beginning at inner surface 42 on the base 4, this inner fovea part 45 has an inward flange 44 corresponding with the neck axle 23 of bulb stopper 2 near end face 41 places; This inner fovea part 45 has the lobe 43 that exceeds inner surface 42 near the place, bottom surface.Inner surface 41 both sides of base 4 respectively have a screw 46.The external screw thread post 47 that the end of base 4 is established.The both sides that are positioned at external screw thread post 47 on the bottom surface of base 4 are respectively left needle tray 48 one.
Fig. 5-1 is that structural representation, Fig. 5-2 of pressing plate 5 is the structural representation of pressing plate 5D-D section.
Please referring to Fig. 5-1 and Fig. 5-2.Pressing plate 5 usefulness aluminum alloy materials are made.Pressing plate 5 is approximate rectangular plate, has centre bore 51.Pressing plate 5 inner surfacies respectively have needle tray 52 one in the both sides of centre bore 51.
During use, the straight length 21 of bulb stopper 2 afterbodys in the right hand steering needle clip seat is screwed on the external screw thread on connecting rod 1 right side 12.The inner fovea part 45 of base 4 in the right hand steering needle clip seat is wrapped on the bulb 24 of bulb stopper 2 inner surface 42 of the base 4 that again inner surface 33 of loam cake 3 in the right hand steering needle clip seat reclined, the recline lobe 43 of base 4 of the bottom surface 31 of loam cake 3; The ball-and-socket that the inner fovea part 35 of loam cake 3 and the inner fovea part 45 of base 4 are combined to form contains the bulb 24 of bulb stopper 2; Passing via hole 38 corresponding on the loam cake 3 respectively with two screws 7 is screwed in the base 4 corresponding screws 46.The inward flange 34 of loam cake 3 and the inward flange 44 of base 4 can not throw off the bulb 24 of bulb stopper 2 round the neck axle 23 of bulb stopper 2 from loam cake 3 and base 4.The external screw thread post 47 of base 4 ends is passed the centre bore 51 of pressing plate 5, and nut 6 is screwed on this external screw thread post 47.Pressing plate 5 can not thrown off from the external screw thread post 47 of base 4.
In like manner, the left side is turned to the straight length of bulb stopper 2 ' afterbody in the needle clip seat be screwed on the external screw thread in connecting rod 1 left side 11.With the left side turn to the inner fovea part 45 of base 4 in the needle clip seat wrap in bulb stopper 2 ' bulb on, again the left side is turned to the recline inner surface 42 of base 4 of the inner surface 33 of loam cake 3 in the needle clip seat, the recline lobe 43 of base 4 of the bottom surface 31 of loam cake 3; The ball-and-socket that the inner fovea part 35 of loam cake 3 and the inner fovea part 45 of base 4 are combined to form contain bulb stopper 2 ' bulb; Passing via hole 38 corresponding on the loam cake 3 respectively with two screws 7 is screwed in the base 4 corresponding screws 46.The inward flange 34 of loam cake 3 and the inward flange 44 of base 4 be round the neck axle of bulb stopper 2 inward flanges, make bulb stopper 2 ' bulb can from loam cake 3 and base 4, not throw off.The external screw thread post 47 of base 4 ends is passed the centre bore 51 of pressing plate 5, and nut 6 is screwed on this external screw thread post 47.Pressing plate 5 can not thrown off from the external screw thread post 47 of base 4.
According to the situation of patient's fracture, rotation right hand steering needle clip seat or left side turn to needle clip seat in 360 ° of scopes as shown in Figure 7, adjust these two distance and the angles that turn between the needle clip seat then, and roughly determine the inserting needle position and the angle of each metal spicule.Each metal spicule percutaneous is pierced the far and near end of fracture respectively; The spicule head pierces in the bone, and afterbody exposes.Rotate the base 4 of right hand steering needle clip seat or the base 4 that the left side turns to needle clip seat 60 ° of scope Internal Spherical Surface as shown in Figure 6, adjust these two angles that turn to base 4 with the corresponding spicule of needle clip seat.Utilize needle tray 52 that present embodiment left side turns to the needle tray 48 of base 4 in the needle tray 52 of the needle tray 48 of base 4 in the needle clip seat and pressing plate 5 and the right hand steering needle clip seat and pressing plate 5 exposed parts of each spicule of clamping respectively.Locking two then respectively and turning to the nut 6 on the base 4 external screw thread posts 47 in the needle clip seat, is that each metal spicule and two turn to needle clip seat to be connected and fixed.And then lock two and turn to the screw 7 on the base 4 and loam cake 3 in the needle clip seat, make these two to turn to bulb stopper 2 and bulb stopper 2 in the needle clip seat ' respectively to be fixed into one with corresponding loam cake 3 and base 4, at last, with two turn to bulb stopper 2 and bulb stopper 2 in the needle clip seat ' lug 22 each lock with a screw 7, compress the portion separate slot of this bulb stopper, make straight length 21 clamp the external screw thread of connecting rod 1 correspondence tightly.Fracture end connects into a stable whole, reaches fixedly fracture site, keeps the para-position of fracture to line.
In the future, in the time of need pressurizeing or strut, be stuck in connecting rod 1 middle part with die nut, the bar 1 that is rotationally connected just can two distances that turn between the needle clip seat of forcibly changing, realization pressurization or the function that struts.
The above only is this utility model preferred embodiment, does not limit the scope that this utility model is implemented with this, and the equivalence of doing according to the technical solution of the utility model and description changes and modification, all should belong to the scope that this utility model is contained.
Claims (5)
1. universal external fixator has connecting rod and two needle clip seats that are separately positioned on the connecting rod both sides; It is characterized in that: the both sides of described connecting rod are provided with the opposite external screw thread of rotation mode respectively; Described needle clip seat is for can spherical rotation turning to needle clip seat; Each turns to a bulb stopper in the needle clip seat, a loam cake, a base and a pressing plate, and this bulb stopper afterbody is screwed on the corresponding external screw thread of connecting rod, and the ball-and-socket that the inner fovea part of this loam cake and the inner fovea part of base are combined to form contains the bulb of this bulb stopper; This pressing plate is fixed on clamping spicule on this base separably.
2. universal external fixator according to claim 1 is characterized in that: the afterbody of described bulb stopper has separation trough, and the portion separate slot both sides of this bulb are provided with pinching screw.
3. universal external fixator according to claim 1 and 2 is characterized in that: the centre bore that the terminal set external screw thread post of described base passes pressing plate screws togather a nut.
4. universal external fixator according to claim 1 and 2 is characterized in that: the cross section, middle part of described connecting rod is outer hexagon.
5. universal external fixator according to claim 1 and 2 is characterized in that: the bulb inside of described bulb stopper is emptied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202290507U CN201316308Y (en) | 2008-11-19 | 2008-11-19 | Universal external fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202290507U CN201316308Y (en) | 2008-11-19 | 2008-11-19 | Universal external fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201316308Y true CN201316308Y (en) | 2009-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202290507U Expired - Lifetime CN201316308Y (en) | 2008-11-19 | 2008-11-19 | Universal external fixer |
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| Country | Link |
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| CN (1) | CN201316308Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283700A (en) * | 2011-09-16 | 2011-12-21 | 江苏百得医疗器械有限公司 | Orthopedic external fixation support |
| CN102670290A (en) * | 2012-05-21 | 2012-09-19 | 左中男 | Adjustable multipurpose fracture reduction outer fixing frame |
| CN102743216A (en) * | 2012-06-26 | 2012-10-24 | 冯其金 | External thoracolumbar vertebra distraction repositor |
| CN103417281A (en) * | 2013-09-06 | 2013-12-04 | 江苏广济医疗科技有限公司 | Tubular connecting rod device and outer-bone fixing device |
| CN103417280A (en) * | 2013-09-06 | 2013-12-04 | 江苏广济医疗科技有限公司 | Tubular traction pressurization connecting rod control device and outer-bone fixing device |
| CN104257421A (en) * | 2014-10-22 | 2015-01-07 | 毕宏政 | External fixation clamp allowing multidirectional adjustment |
| CN104983455A (en) * | 2015-07-17 | 2015-10-21 | 刘礼初 | Universal adjusting structure and distraction ostesgenesis fixing device |
| CN105147375A (en) * | 2015-06-18 | 2015-12-16 | 张平 | Pelvic fracture closed reduction combination tool |
| CN105213003A (en) * | 2015-09-21 | 2016-01-06 | 山东航维骨科医疗器械股份有限公司 | A kind of traction bow |
| CN110559037A (en) * | 2019-09-26 | 2019-12-13 | 无锡东峰怡和科技发展有限公司 | Multifunctional blood vessel clamping device |
| CN111529029A (en) * | 2020-05-21 | 2020-08-14 | 上海长海医院 | Integrative external fixation support of pelvis front and back ring |
| CN113670224A (en) * | 2021-07-29 | 2021-11-19 | 青岛理工大学 | Full-automatic hub three-dimensional scanning system for intelligent production line of automobile hub |
| CN110559037B (en) * | 2019-09-26 | 2024-06-07 | 无锡东峰怡和科技发展有限公司 | Multifunctional blood vessel clamping device |
-
2008
- 2008-11-19 CN CNU2008202290507U patent/CN201316308Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283700B (en) * | 2011-09-16 | 2013-03-20 | 江苏百得医疗器械有限公司 | Orthopedic external fixation support |
| CN102283700A (en) * | 2011-09-16 | 2011-12-21 | 江苏百得医疗器械有限公司 | Orthopedic external fixation support |
| CN102670290A (en) * | 2012-05-21 | 2012-09-19 | 左中男 | Adjustable multipurpose fracture reduction outer fixing frame |
| CN102743216A (en) * | 2012-06-26 | 2012-10-24 | 冯其金 | External thoracolumbar vertebra distraction repositor |
| CN103417281A (en) * | 2013-09-06 | 2013-12-04 | 江苏广济医疗科技有限公司 | Tubular connecting rod device and outer-bone fixing device |
| CN103417280A (en) * | 2013-09-06 | 2013-12-04 | 江苏广济医疗科技有限公司 | Tubular traction pressurization connecting rod control device and outer-bone fixing device |
| CN103417280B (en) * | 2013-09-06 | 2015-05-13 | 江苏广济医疗科技有限公司 | Tubular traction pressurization connecting rod control device and outer-bone fixing device |
| CN104257421A (en) * | 2014-10-22 | 2015-01-07 | 毕宏政 | External fixation clamp allowing multidirectional adjustment |
| CN105147375B (en) * | 2015-06-18 | 2017-10-24 | 张平 | Pelvic fracture closed reduction combination tool |
| CN105147375A (en) * | 2015-06-18 | 2015-12-16 | 张平 | Pelvic fracture closed reduction combination tool |
| CN104983455A (en) * | 2015-07-17 | 2015-10-21 | 刘礼初 | Universal adjusting structure and distraction ostesgenesis fixing device |
| CN104983455B (en) * | 2015-07-17 | 2017-10-27 | 刘礼初 | Universal adjustment structure and distraction osteogenesis fixing device |
| CN105213003A (en) * | 2015-09-21 | 2016-01-06 | 山东航维骨科医疗器械股份有限公司 | A kind of traction bow |
| CN110559037A (en) * | 2019-09-26 | 2019-12-13 | 无锡东峰怡和科技发展有限公司 | Multifunctional blood vessel clamping device |
| CN110559037B (en) * | 2019-09-26 | 2024-06-07 | 无锡东峰怡和科技发展有限公司 | Multifunctional blood vessel clamping device |
| CN111529029A (en) * | 2020-05-21 | 2020-08-14 | 上海长海医院 | Integrative external fixation support of pelvis front and back ring |
| CN111529029B (en) * | 2020-05-21 | 2024-01-23 | 上海长海医院 | Integrative external fixation support of ring around pelvis |
| CN113670224A (en) * | 2021-07-29 | 2021-11-19 | 青岛理工大学 | Full-automatic hub three-dimensional scanning system for intelligent production line of automobile hub |
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Correction item: Description Correct: Correct False: Error (missing page) Number: 39 Page: Description Volume: 25 |
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| CU03 | Correction of utility model patent gazette |
Correction item: Description Correct: Correct False: Error (missing page) Number: 39 Volume: 25 |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361022 No. 218, Xiang Xiang Road, Haicang District, Fujian, Xiamen Patentee after: DABO MEDICAL TECHNOLOGY CO., LTD. Address before: 361022 No. 218, Xiang Xiang Road, Haicang District, Fujian, Xiamen Patentee before: Double Engine Medical Material Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090930 |