CN103784236A - Traction reposition frame - Google Patents
Traction reposition frame Download PDFInfo
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- CN103784236A CN103784236A CN201410055111.2A CN201410055111A CN103784236A CN 103784236 A CN103784236 A CN 103784236A CN 201410055111 A CN201410055111 A CN 201410055111A CN 103784236 A CN103784236 A CN 103784236A
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Abstract
The invention provides a traction reposition frame. The traction reposition frame comprises a support assembly (1) with the height adjustable and a swing frame assembly (2), wherein the support assembly (1) is provided with a leg pillow (101), the swing frame assembly (2) is connected with the leg pillow (101) in a pivot mode and provided with a sliable traction assembly (3), the support assembly (1) and the swing frame assembly (2) are locked or unlocked in an operable mode, and the traction assembly (3) and the swing frame assembly (2) are locked or unlocked in an operable mode. The traction reposition frame can adjust the angle between the axis of one thigh of a patient and the bed surface and the angle between the axis of one crus and the axis of the corresponding thigh to provide convenience for operations.
Description
Technical field
The present invention relates to a kind of reduction by traction frame for fracture of lower leg operation.
Background technology
The reduction by traction operation of fracture of lower leg is the key link of fracture of lower leg treatment operation, its content is exactly the power that applies opposite direction at the two ends of fracture site, folding bone tractive is opened, then will be rolled over bone alignment according to the anatomical structure of Leg bones, return to the position under health status.
In traditional fracture of lower leg treatment operation, reduction by traction operation is completed by the free-hand tractive of doctor, or is realized by the pulling device of orthopedic traction bed.Free-hand Retracting repositioning operation, doctor can be according to the experience of oneself and X-ray picture, completes easily reduction by traction operation.But behind multiple traction position, also need to remain on tram motionless, carry out the fixing operation technique that waits other of intramedullary pin, therefore, hand operation is difficult to keep for a long time original correct reset position, thereby causes reset effect not good.Orthopedic traction bed is in the time carrying out fracture of lower leg operation, all generally to place a crosspiece at human body perineum place, make a call to a Kirschner wire at the far-end of shank, crosspiece shelves are lived the trend that people's body down moves, extension table is by the far-end of Kirschner wire tractive fracture shank, make shank folding bone two ends produce relative tractive motion, thereby realize the operation of reduction by traction.But the draw operations of extension table, makes shank axis consistent with femur axis, cannot change the angle of shank axis and large leg axis, be not suitable for carrying out the operation of the routine operations such as intramedullary pin.
Application number is that the Chinese patent of 201020177395.X discloses a kind of Tibial fracture reduction traction frame, comprise fixed frame, fixed frame is provided with guide rail, guide rail is provided with the slider that can slide along guide rail, fixed frame is provided with Convenient table seat, one end of fixed frame is provided with the push bolt that can promote slider, push bolt is provided with hands wheel, slider comprises sliding seat, sliding seat is arranged on guide rail, sliding seat is provided with heel holder, one end of fixed frame is provided with fixation clamp, on fixed mount, be fixed with nut, in nut, be provided with fishbolt, described fishbolt is provided with and screws handle, when work, fixation clamp is fixed on operating board, screw handle, fishbolt is fixed fixation clamp, the foot of sufferer is put into heel holder, then patient's shank is put into Convenient table seat, push bolt promotes sliding seat motion, carry out tibia reduction by traction.This invention cannot realize equally and change the angle of the relatively large leg axis of sufferer shank axis and the angle of the large relative bed surface of leg axis.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of angle between large leg axis and bed surface and shank axis and adjustable reduction by traction frame of angle between leg axis greatly of can making in fracture of lower leg operation.
For achieving the above object, the invention provides a kind of reduction by traction frame, it comprises: adjustable for height carriage assembly, has lower limb pillow; Rocker assembly with lower limb pillow pivotable is connected, is provided with slidably traction component on rocker assembly, wherein, carriage assembly and traction component operationally lock or release with rocker assembly respectively.
According to one embodiment of present invention, lower limb pillow has a pair of link, and this pair of link is radially formed with multiple locating holes in periphery; Rocker assembly has a pair of pivot swivel being set on this pair of link, is radially formed with separately tapped through hole on this pair of pivot swivel, and rocker assembly is by inserting the relative carriage assembly locking of screw of tapped through hole and one of them locating hole.
According to one embodiment of present invention, rocker assembly has a pair of pivot swivel on a pair of link that is set in lower limb pillow, and this pair of link is by the projection and groove fit and this pair of pivot swivel locking that slidably engage or be disengaged.
According to one embodiment of present invention, lower limb pillow has a pair of link, and rocker assembly is connected with lower limb pillow at this pair of link by ratchet device.
According to one embodiment of present invention, the interlude extending between this pair of link of lower limb pillow is configured to be shunk gradually to central authorities by the two ends of this interlude.
According to one embodiment of present invention, carriage assembly comprises: two inner supports that are fixedly connected with the two ends of lower limb pillow respectively, and two support arms that are connected with inner support pivotable,
Each inner support has the first limiting section, and each support arm has the second limiting section, the first limiting section and the second limiting section with the angle of release position limitation of the described pivotable inner support that clamping is connected pivotable each other and support arm at maximum.
According to one embodiment of present invention, inner support and support arm comprise the dismountable supporting leg servo-actuated with it separately.
According to one embodiment of present invention, inner support and support arm comprise the telescopic supporting leg servo-actuated with it separately.
According to one embodiment of present invention, also comprise the angle demodulator that regulates angle of release position.
According to one embodiment of present invention, rocker assembly comprises the first slide-bar parallel to each other and the second slide-bar, traction component comprises: the traction base sliding on the first slide-bar and the second slide-bar, and the threaded base of base with respect to the first slide-bar and the second slide-bar fixing and locking will be drawn, wherein, traction base is provided with the through hole with the second slide-bar axis hole matched in clearance, and the first groove being slidably matched with the first slide-bar, wherein, threaded base is fixedly connected with traction base and has a hole of passing for the second slide-bar, and be screwed in this hole for pushing up the lock-screw of pressing the second slide-bar.
According to one embodiment of present invention, the second slide-bar has the threaded spiro rod section of formation, and traction component comprises locking nut, and wherein, described locking nut and spiro rod section screw, to guide traction component to slide on the first and second slide-bars.
According to one embodiment of present invention, also comprise at least one reset assembly, it has scale base, this reset assembly slides between lower limb pillow and traction component by scale base on rocker assembly, reset assembly also have can be along the direction of motion perpendicular to reset assembly the Vertical surveyors' staff of relative scale base sliding, on Vertical surveyors' staff, be connected with scale cover.
According to one embodiment of present invention, Vertical surveyors' staff comprises the slide block that coordinates with scale base sliding and is vertically fixed on the column on described slide block, and scale cover is set on column.
Useful technique effect of the present invention is: reduction by traction frame according to the present invention has adopted adjustable for height carriage assembly, makes it possible to regulate kneed height; Carriage assembly is connected with rocker assembly pivotable and operationally locking or release make it possible to regulate the angle between shank axis and large leg axis, the traction component sliding along rocker assembly and rocker assembly operationally locks or release can realize doubling bone and draws and fix.
Accompanying drawing explanation
Fig. 1 is according to the axonometric chart of reduction by traction frame of the present invention embodiment;
Fig. 2 is according to the axonometric chart of carriage assembly of the present invention embodiment;
Fig. 3 is according to the axonometric chart of rocker assembly of the present invention embodiment;
Fig. 4 is according to the axonometric chart of traction component of the present invention embodiment;
Fig. 5 is according to the axonometric chart of reset assembly of the present invention embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, present invention is described.
With reference to Fig. 1, show according to the axonometric chart of reduction by traction frame of the present invention embodiment.Reduction by traction frame of the present invention comprises: adjustable for height carriage assembly 1, has lower limb pillow 101; Rest the head on lower limb the rocker assembly 2 that 101 pivotables are connected, be provided with slidably traction component 3 on rocker assembly 2, wherein, carriage assembly 1 and traction component 3 operationally lock or release with described rocker assembly 2 respectively.When use, the shank of sufferer is positioned on rocker assembly 2, the knee joint of sufferer inner side is supported by lower limb pillow 101, thereby makes to form certain angle between thigh and bed surface, and the height of support is adjustable, thereby makes the angle that forms between thigh and bed surface adjustable.Rocker assembly 2 is rested the head on 101 relative carriage assembly 1 pivotables and can be fixed on optional position by lower limb, thereby regulates the angle between shank axis and large leg axis.Traction component 3 is responsible for the shank of sufferer to carry out axial traction, and can be fixing at the relative rocker assembly 2 of correct position, this fixing can be in several ways, for example, by trip bolt known in the art.
Referring to figs. 1 through Fig. 3, according to one embodiment of present invention, lower limb pillow 101 has a pair of link, and this pair of link extends a segment distance by the two ends of lower limb pillow 101 to central authorities, and this pair of link is radially formed with multiple locating holes in periphery; Rocker assembly 2 has a pair of pivot swivel 201,202 being set on this pair of link, on this pair of pivot swivel 201,202, be radially formed with separately tapped through hole, rocker assembly 2 is locked in optional position by the relative carriage assembly 1 of screw 207 that inserts tapped through hole and one of them locating hole.
According to another embodiment of the invention, this a pair of link is by the projection slidably engaging or be disengaged well known to those skilled in the art and groove fit and this pair of pivot swivel 201,202 lockings, projection is unrestricted with the position that groove forms, for example, can rest the head on and on 101 link, form projection and on pivot swivel 201,202, form groove at lower limb, or on pivot swivel 201,202, form projection and form groove on the link of lower limb pillow 101.Can form the multiple grooves that coordinate with projection, thus make projection can from different groove fit, and then change the angle forming between rocker assembly 2 and carriage assembly 1.
According to still another embodiment of the invention, rocker assembly 2 can be connected with lower limb pillow 101 at this pair of link by ratchet device, ratchet device is single direction turning mechanism well known in the art, can be configured to the twist-lock along shank gravity direction in the time of work, and going up in the opposite direction freely activity with the party, as shown in Figure 1, be rocker assembly 2 relatively carriage assembly 1 rotate counterclockwise, so that the relative angle between the two is regulated, and rocker assembly 2 rotation is along clockwise direction locked, thereby shank is supported.
As shown in Figure 1, in one embodiment of the invention, the interlude extending between above-mentioned a pair of link of lower limb pillow 101 is configured to be shunk gradually to central authorities by the two ends of described interlude, as shown in the figure, this contraction is even variation, lower limb pillow 101 cross sections that intercept from centrage comprise two parabolical shapes, and this shape makes the more comfortable of sufferer inside the knee.
As shown in Figure 2, show an embodiment of carriage assembly of the present invention.This carriage assembly 1 comprises: two inner supports 102,103 that are fixedly connected with the two ends of described lower limb pillow 101 respectively, and two support arms 104,105 that are connected with inner support 102,103 pivotables, each inner support 102,103 has the first limiting section, each support arm 104,105 has the second limiting section, the first limiting section and the second limiting section with the angle of release position limitation of the inner support that clamping is connected pivotable each other of the pivotable between inner support and support arm and support arm at maximum.When normal work, the angle of release position between the inner support that pivotable connects and support arm is generally maximum.Inner support and support arm also comprise the dismountable supporting leg 106 servo-actuated with it separately, and as shown in the figure, the angle forming between the supporting leg being connected on the inner support of pivot link and support arm is each other exactly the angle of release between inner support and support arm.This supporting leg is detachable and be replaced by the supporting leg of different length, thereby makes support height adjustable, to adapt to the demand of the long sufferer of different lower limbs.According to another embodiment, this supporting leg is telescopic supporting leg, by the flexible change length of supporting leg, and then regulates support height.
According to one embodiment of present invention, this carriage assembly also comprises the angle demodulator that regulates above-mentioned angle of release position.This angle demodulator can be various ways, for example this angle demodulator can be a kind of angle adjusting mechanism, inner support is connected by this angle adjusting mechanism pivotable with support arm, by this angle adjusting mechanism being regulated to the angle of release that can change between inner support and support arm.This angle demodulator can also be other forms, the inner support that for example can connect in pivotable is opened a pair of relative through hole with on the supporting leg of support arm, in hole, insert screw rod, then at sheathed two nuts in the two ends of screw rod, two nuts of turn are the maximum angle of release of scalable.This is the simplest way of realization of one, can be also to expect that multiple other modes change above-mentioned angle of release.Should be appreciated that in this embodiment, the height of support is by regulating inner support that pivotable connects and the angle of release of support arm to regulate, so that supporting leg needs not to be is detachable or telescopic.
Although be also to be understood that carriage assembly described above comprises inner support and support arm, does not need strictly to distinguish the relative position of inner support and support arm.For example, inner support and support arm can be two identical supports of the gear structure engagement by forming in end, and these two identical supports can be fixed by other fixture and lower limb pillow 101.That is to say, needn't require inner support to be fixedly connected with lower limb pillow, and then be connected with support arm, the relation that two stands can be equal to is pivotally connected to one another, and then fixing with lower limb pillow by other devices.
With reference to Fig. 3 and Fig. 4, Fig. 3 shows according to rocker assembly 2 of the present invention embodiment.It comprises the first slide-bar 203 parallel to each other and the second slide-bar 208, and this rocker assembly 2 also comprises front rod 204 and the back link 206 that connects the first slide-bar 203 and the second slide-bar 208 and the base plate 205 that plays fixing and supporting role.As shown in Figure 4, traction component 3 comprises: the traction base 301 sliding on the first slide-bar 203 and the second slide-bar 208, and the threaded base 302 of base 301 with respect to the first slide-bar 203 and the second slide-bar 208 fixing and lockings will be drawn, wherein, traction base 301 is provided with the through hole with described the second slide-bar 208 axis hole matched in clearance, and the first groove being slidably matched with the first slide-bar, wherein, threaded base 302 is fixedly connected with traction base 301 and has the hole of passing for the second slide-bar and be screwed in described hole for pushing up the lock-screw 307 of pressing described the second slide-bar.As shown in Figure 4, traction component 3 also comprises and is fixed on the runner block 304 of traction on base 301, in runner block 304, is formed with chute, and pressing plate 306 mode such as can be connected by screw and be fixed to runner block 304, thereby traction bow 305 is limited in chute.Traction bow 305 can slide in chute, and the end of traction bow 305 can fixation Kel's needle, can change the angle of Kirschner wire by the slip of traction bow 305.
Continue with reference to Fig. 3 and Fig. 4, the second slide-bar 208 has the threaded spiro rod section of formation, traction component 3 comprises locking nut 303, and wherein, locking nut 303 screws with spiro rod section, to guide described traction component to slide on described the first and second slide-bars, as shown in Figure 4, traction base 301 is formed with fluting, and locking nut 303 screws with the spiro rod section of the second slide-bar 208 in fluting, by rotational lock nut 303, can make to draw the relative slide-bar quantitative exercise of base 301.In order to make motion more accurate, also can on locking nut 303, scale be set, to realize quantitative exercise more accurately.Meanwhile, due to the interlocked use between nut and screw rod, in the time of rotational lock nut 303 not, traction base 301 can this interlocked with under relative slide-bar fix.
According to one embodiment of present invention, this reduction by traction frame also comprises at least one reset assembly 4, with reference to Fig. 1 and Fig. 5, this reset assembly 4 has scale base 401, reset assembly 4 slides between lower limb pillow 101 and traction component 3 by scale base 401 on rocker assembly 2, reset assembly 4 also has Vertical surveyors' staff 402 that can relative scale base 401 slides along the direction of motion perpendicular to reset assembly 4, is connected with scale cover 403 on Vertical surveyors' staff 402.This reset assembly 4 can by scale overlap 403 slip along the direction perpendicular to shank axis to the adjusting that resets of the shank position of sufferer.With reference to Fig. 5, in a preferred embodiment, Vertical surveyors' staff 402 comprises the slide block being slidably matched with scale base 401 and is vertically fixed on the column on slide block, scale cover 403 is set on column, and can up-down adjustment or relatively column turn to any suitable angle, scale cover can be fixed by the relative column of the modes such as trip bolt.Vertical surveyors' staff 402 can be fixing by the relative scale base 401 of trip bolt 404.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (13)
1. a reduction by traction frame, is characterized in that, comprising:
Adjustable for height carriage assembly (1), has lower limb pillow (101);
Rocker assembly (2) with described lower limb pillow (101) pivotable is connected, is provided with slidably traction component (3) on described rocker assembly (2),
Wherein, described carriage assembly (1) and described traction component (3), operationally lock or release with described rocker assembly (2) respectively.
2. reduction by traction frame according to claim 1, is characterized in that,
Described lower limb pillow (101) has a pair of link, and described a pair of link is radially formed with multiple locating holes in periphery;
Described rocker assembly (2) has a pair of pivot swivel (201,202) being set on described a pair of link, is radially formed with separately tapped through hole on described a pair of pivot swivel (201,202),
Described rocker assembly is by inserting the relative described carriage assembly of screw (207) (1) locking of described tapped through hole and one of them locating hole.
3. reduction by traction frame according to claim 1, is characterized in that,
Described rocker assembly (2) has a pair of pivot swivel (201 on a pair of link that is set in described lower limb pillow (101), 202), described a pair of link is by the projection and groove fit and described a pair of pivot swivel (201, the 202) locking that slidably engage or be disengaged.
4. reduction by traction frame according to claim 1, is characterized in that,
Described lower limb pillow (101) has a pair of link, and described rocker assembly (2) is rested the head on (101) by ratchet device at described a pair of link and described lower limb and is connected.
5. according to the reduction by traction frame described in any one in claim 2-4, it is characterized in that, the interlude extending between described a pair of link of described lower limb pillow (101) is configured to be shunk gradually to central authorities by the two ends of described interlude.
6. reduction by traction frame according to claim 1, is characterized in that,
Described carriage assembly (1) comprising: two inner supports (102,103) that are fixedly connected with the two ends of described lower limb pillow (101) respectively, and two support arms (104,105) that connect with described inner support (102,103) pivotable,
Each inner support (102,103) there is the first limiting section, each support arm (104,105) has the second limiting section, described the first limiting section and described the second limiting section with the angle of release position limitation of the described pivotable inner support that clamping is connected pivotable each other and support arm at maximum.
7. reduction by traction frame according to claim 6, is characterized in that, described inner support (102,103), described support arm (104,105) comprise the dismountable supporting leg (106) servo-actuated with it separately.
8. reduction by traction frame according to claim 6, is characterized in that, described inner support (102,103), described support arm (104,105) comprise the telescopic supporting leg (106) servo-actuated with it separately.
9. reduction by traction frame according to claim 6, is characterized in that,
Also comprise the angle demodulator that regulates described angle of release position.
10. reduction by traction frame according to claim 1, is characterized in that,
Described rocker assembly (2) comprises the first slide-bar (203) parallel to each other and the second slide-bar (208),
Described traction component (3) comprising: in described the first slide-bar (203) and the upper traction base (301) sliding of the second slide-bar (208) and the threaded base (302) with respect to the first slide-bar (203) and the second slide-bar (208) fixing and locking by described traction base (301)
Wherein, described traction base (301) is provided with and the through hole of described the second slide-bar (208) axis hole matched in clearance and the first groove of being slidably matched with the first slide-bar,
Wherein, described threaded base (302) is fixedly connected with described traction base (301) and has the hole of passing for described the second slide-bar and be screwed in described hole for pushing up the lock-screw (307) of pressing described the second slide-bar.
11. reduction by traction framves according to claim 10, is characterized in that,
Described the second slide-bar (208) has the threaded spiro rod section of formation, and described traction component (3) comprises locking nut (303),
Wherein, described locking nut (303) screws with spiro rod section, to guide described traction component to slide on described the first and second slide-bars.
12. reduction by traction framves according to claim 1, is characterized in that,
Also comprise at least one reset assembly (4), have scale base (401), described reset assembly (4) is rested the head between (101) and described traction component (3) and is above slided at described rocker assembly (2) in described lower limb by described scale base (401),
Described reset assembly (4) also have can be along the direction of motion perpendicular to described reset assembly (4) Vertical surveyors' staff (402) that slides of relatively described scale base (401), on described Vertical surveyors' staff (402), be connected with scale cover (403).
13. reduction by traction framves according to claim 12, is characterized in that,
Described Vertical surveyors' staff (402) comprises the slide block that is slidably matched with described scale base (401) and is vertically fixed on the column on described slide block, and described scale cover (403) is set on described column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055111.2A CN103784236B (en) | 2014-02-18 | 2014-02-18 | Reduction by traction frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055111.2A CN103784236B (en) | 2014-02-18 | 2014-02-18 | Reduction by traction frame |
Publications (2)
| Publication Number | Publication Date |
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| CN103784236A true CN103784236A (en) | 2014-05-14 |
| CN103784236B CN103784236B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410055111.2A Withdrawn - After Issue CN103784236B (en) | 2014-02-18 | 2014-02-18 | Reduction by traction frame |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108210032A (en) * | 2018-03-19 | 2018-06-29 | 常锐 | A kind of Bone traction reseting fixture for treating limbs fracture and method |
| CN110282501A (en) * | 2019-06-28 | 2019-09-27 | 陈思 | A kind of textile machines thread board that novel rotatable is adjusted |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2061837U (en) * | 1989-12-15 | 1990-09-12 | 阎雄德 | Knee joint function rehabilitation apparatus for lower extremity fracture |
| CN2801101Y (en) * | 2005-06-16 | 2006-08-02 | 徐东来 | Sliding type multi-function tractor for lower limb skin traction |
| WO2006118781A2 (en) * | 2005-04-29 | 2006-11-09 | Kneebourne Therapeutic, Llc | Knee extension treatment apparatus |
| CN201263737Y (en) * | 2008-10-17 | 2009-07-01 | 李付云 | Anklebone dorsiflexion appliance |
-
2014
- 2014-02-18 CN CN201410055111.2A patent/CN103784236B/en not_active Withdrawn - After Issue
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2061837U (en) * | 1989-12-15 | 1990-09-12 | 阎雄德 | Knee joint function rehabilitation apparatus for lower extremity fracture |
| WO2006118781A2 (en) * | 2005-04-29 | 2006-11-09 | Kneebourne Therapeutic, Llc | Knee extension treatment apparatus |
| CN2801101Y (en) * | 2005-06-16 | 2006-08-02 | 徐东来 | Sliding type multi-function tractor for lower limb skin traction |
| CN201263737Y (en) * | 2008-10-17 | 2009-07-01 | 李付云 | Anklebone dorsiflexion appliance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108210032A (en) * | 2018-03-19 | 2018-06-29 | 常锐 | A kind of Bone traction reseting fixture for treating limbs fracture and method |
| CN110282501A (en) * | 2019-06-28 | 2019-09-27 | 陈思 | A kind of textile machines thread board that novel rotatable is adjusted |
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| Publication number | Publication date |
|---|---|
| CN103784236B (en) | 2015-09-16 |
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Effective date of registration: 20180711 Address after: 238000 Chaohu 5 economic and Technological Development Zone, Hefei, Anhui, China. Patentee after: Anhui exso medical robotics Co., Ltd. Address before: 100070 room 620-621, building 03, 1 nuclear Road, Science City, Fengtai District, Beijing (Park) Patentee before: BEIJING DEKANGJIAN MEDICAL TECHNOLOGY CO., LTD. |
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