CN103976773B - reduction forceps - Google Patents
reduction forceps Download PDFInfo
- Publication number
- CN103976773B CN103976773B CN201410244519.4A CN201410244519A CN103976773B CN 103976773 B CN103976773 B CN 103976773B CN 201410244519 A CN201410244519 A CN 201410244519A CN 103976773 B CN103976773 B CN 103976773B
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- Prior art keywords
- connecting rod
- grip block
- screw
- knochenbruch
- hole
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 33
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 24
- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000012634 fragment Substances 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2833—Locking means
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of reduction forceps, comprise at least two splenial bone pincers and the connecting rod being connected two splenial bone pincers, connecting rod comprises gonnecting rod body, adjusting lever and make gonnecting rod body along it longitudinally relative to longitudinal guiding mechanism of adjusting lever movement, reduction forceps of the present invention, only need the rotation of adjusting gear that knochenbruch can be made longitudinally relative movement to occur along connecting rod, thus knochenbruch is resetted, without the need to adopting manual adjustment and fixation of bone fragments position, after knochenbruch resets, connecting rod lockable two splenial bone pincers relative position thus knochenbruch relative position is locked, avoid in operation subsequent operation, knochenbruch recovers dislocation, thus alleviate the working strength of medical worker, alleviate the misery of patient.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of reduction forceps.
Background technology
Bone holding forceps generally need be adopted after fracture to be resetted by knochenbruch, and be fixed by steel plate, screw etc.Conventional reduction forceps, two tong arms primarily of X-type are hinged to be formed, front end is as clamp, rear end is as handle, after fracture, the two sections of knochenbruch disconnected, due to muscle pull traction under, there will be and be overlapping, when resetting to knochenbruch, at least two reduction forceps need be used to clamp two sections of knochenbruch respectively, and by medical worker, two sections of end bones are pulled open to reset position and use Interal fixation, the shift position size of two sections of knochenbruch needs to regulate by hand, knochenbruch is made to be difficult to justify align, even sometimes, after knochenbruch resets, take away bone holding forceps when carrying out Interal fixation, knochenbruch recovers original misaligned state, the inconvenience of work is brought to doctor, too increase the misery of patient simultaneously.
Therefore, for overcoming the above problems, needing one can clamp two sections of knochenbruch respectively and knochenbruch traction is effectively locked knochenbruch position to reset position, avoiding the reduction forceps that knochenbruch misplaces again.
Summary of the invention
In view of this, the object of the invention is to overcome defect of the prior art, providing a kind of can carry out the reduction forceps of effectively locking by knochenbruch traction to reset position to knochenbruch position.Reduction forceps of the present invention, comprise at least two splenial bone pincers and the connecting rod being connected adjacent two splenial bones pincers, connecting rod comprises gonnecting rod body, adjusting lever and makes gonnecting rod body along it longitudinally relative to longitudinal guiding mechanism of adjusting lever movement, longitudinal guiding mechanism comprises the tooth bar be longitudinally fixedly arranged on along gonnecting rod body on gonnecting rod body, be rotationally connected with adjusting lever and coordinates with described tooth bar transmission gear and for locking gonnecting rod body along the lock-nut of its longitudinal direction relative to adjusting lever movement;
Further, described connecting rod also comprises the transverse adjusting mechanism making adjusting lever along gonnecting rod body transverse shifting, transverse adjusting mechanism comprises the screw that is connected with gear being rotatable single-degree-of-freedom and the screwed hole along adjusting lever horizontally set, and screw and corresponding threaded holes close and be connected and can carry out worm drive;
Further, described gear face is provided with interior hexagonal boss, and described screw is socket head screw;
Further, described splenial bone pincers comprise the caliper I and caliper II that are hinged, caliper I and caliper II include the tong arm and clamping part that are mutually permanently connected, clamping part is provided with the through hole being communicated with its inner and outer, grip block and grip block governor motion is provided with and grip block can slide axially along through hole in through hole, grip block governor motion comprises screw rod, fixing head, Compress Spring and tightening nut, and fixing head to be fixed on clamping part and to be covered by through hole and fixing head is provided with via hole; Screw rod one end is fixedly connected with along grip block glide direction with grip block, and the screw rod other end is connected by threaded engagement with tightening nut through the via hole on fixing head, and Compress Spring is located at the interior also bullet of through hole and is peaked between fixing head and grip block;
Further, described grip block is the curved surface that can seamlessly transit with the clamping face of clamping part towards the surface inside clamping part;
Further, described caliper I is fixed with ratchet, and ratchet is coaxial with the hinge of caliper I, and caliper II is provided with the ratchet matched with described ratchet;
Further, described tong arm is fixed with attachment screw, tong arm is detachably fixedly connected on described clamping part by attachment screw;
Further, described gonnecting rod body comprises rack bar and connecting rod, and described connecting rod one end is clamped with splenial bone and is fixedly connected with, and the connecting rod other end is articulated with rack bar by spherical linkage;
Further, described grip block is provided with positive stop lug boss, and through hole is shoulder hole;
Further, described connecting rod is arranged with vice body support, vice body support is used for being fixedly connected with splenial bone pincers.
The invention has the beneficial effects as follows: reduction forceps of the present invention, comprise at least two splenial bone pincers, two sections of knochenbruch can be clamped respectively, because knochenbruch can interlock under the pullling of muscle, medical worker can first unclamp locking locknut, rotated by driven wheel, and then make rack-and-pinion coordinate transmission, gonnecting rod body is made longitudinally to move relative to adjusting lever along it thus drive two splenial bone pincers longitudinally to carry out relative movement along connecting rod, final traction two knochenbruch generation relative movement, when knochenbruch is drawn to reset position, screw lock-nut thus the relative position of locking knochenbruch, reduction forceps of the present invention, only need the rotation adjusting gear that knochenbruch can be made longitudinally relative movement to occur along connecting rod, thus knochenbruch is resetted, without the need to adopting manual adjustment and fixation of bone fragments position, after knochenbruch resets, connecting rod lockable two splenial bone pincers relative position thus knochenbruch relative position is locked, avoid in operation subsequent operation, knochenbruch recovers dislocation, thus alleviate the working strength of medical worker, alleviate the misery of patient.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of connecting rod of the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the structural representation of caliper I;
Fig. 5 is A place enlarged drawing in Fig. 3;
Fig. 6 is B place enlarged drawing in Fig. 4;
Fig. 7 is the structural representation of gear of the present invention.
Detailed description of the invention
Fig. 1 is structural representation of the present invention; Fig. 2 is the structural representation of connecting rod of the present invention; Fig. 3 is the top view of Fig. 2; Fig. 4 is the structural representation of caliper I; Fig. 5 is A place enlarged drawing in Fig. 3; Fig. 6 is B place enlarged drawing in Fig. 4; Fig. 7 is the structural representation of gear 8 of the present invention.As shown in the figure, reduction forceps in the present embodiment, comprise at least two splenial bone pincers 4 and the connecting rod being connected adjacent two splenial bones pincers 4, as shown in Figure 3, connecting rod comprises gonnecting rod body 7, adjusting lever 6 and make gonnecting rod body 7 along it longitudinally relative to longitudinal guiding mechanism of adjusting lever 6 movement, longitudinal guiding mechanism comprises along the longitudinal tooth bar be fixedly arranged on gonnecting rod body 7 of gonnecting rod body 7, be rotationally connected with adjusting lever 6 and coordinate with described tooth bar transmission gear 8 and for locking gonnecting rod body 7 along it longitudinally relative to the lock-nut 23 of adjusting lever 6 movement, in the present embodiment, gonnecting rod body 7 is provided with rach slot, tooth bar is fixed at bottom rach slot, rach slot two sides have mobile chute 14, adjusting lever 6 is fixedly connected with screw 10, screw 10 is rotationally connected with gear 8 through mobile chute 14, as shown in Figure 5, screw 10 is positioned at gonnecting rod body 7 both sides and is fixedly connected with lock-nut 23 and stop nut 22 respectively by screw thread, after knochenbruch has resetted, can screw lock-nut 23 makes screw 10 and gonnecting rod body 7 fixing thus lock link body 7 and adjusting lever 6 are along the relative movement of its longitudinal direction that (described longitudinal direction is the length direction of connecting rod herein, be laterally the direction perpendicular to connecting rod).
In the present embodiment, described connecting rod also comprises the transverse adjusting mechanism making adjusting lever 6 along gonnecting rod body 7 transverse shifting, as shown in Figure 3, transverse adjusting mechanism comprises the screw 10 that single-degree-of-freedom rotatable with gear 8 is connected and the screwed hole be transversely located in adjusting lever 6, screw 10 and corresponding threaded holes close and are connected and can carry out worm drive, because knochenbruch is in reseting procedure, after knochenbruch first moves longitudinally by usual need, along knochenbruch transverse shifting, knochenbruch is docked again, medical worker's releasable lock stops nut 23, lock-nut 23 and stop nut 22 together can be rotated with screw 10, certainly, herein for ensureing that stop nut 22 together can rotate with screw 10, can stop nut 22 be welded on screw, then rotary screw 10, adjusting lever 6 is made axially to carry out relative movement along screw 10, and screw 10 is positioned at gonnecting rod body 7 both sides and is fixedly connected with lock-nut 23 and stop nut 22 respectively, therefore screw 10 is relative with gonnecting rod body 7 fixing vertically, when axially there is relative movement with adjusting lever 6 along it in screw 10, and then adjusting lever 6 can be driven laterally to move along it relative to gonnecting rod body 7.
In the present embodiment, described gear 8 end face is provided with interior hexagonal boss 13, described screw 10 is socket head screw, interior hexagonal boss 13 is coaxially fixed on gear 8 one end face and stretches out from the mobile chute 14 of gonnecting rod body 7, interior hexagonal boss 13 and soket head cap screw all can coordinate transmission with the drill bit of medical electric drill, can realize utilizing electric drill driven wheel 8 or hex head screw to rotate makes knochenbruch realize resetting, and then greatly alleviates the labor intensity of medical worker.
In the present embodiment, described splenial bone pincers 4 comprise the caliper I and caliper II that are hinged, as shown in Figure 4, caliper I and caliper II include the tong arm 5 and clamping part 1 that are mutually permanently connected, clamping part 1 is provided with the through hole being communicated with its inner and outer, and (described herein " inner side " refers to the side that clamping part 1 and knochenbruch directly contact, side is " outside " in the other direction), as shown in Figure 6, grip block 2 and grip block governor motion is provided with and grip block 2 can slide axially along through hole in through hole, grip block governor motion comprises screw rod 18, fixing head 16, Compress Spring 19 and tightening nut 17, fixing head 16 to be fixed on outside clamping part 1 and to be covered by through hole and fixing head 16 is provided with via hole, screw rod 18 one end is fixedly connected with along grip block 2 glide direction with grip block 2, screw rod 18 other end to be connected by threaded engagement through the via hole on fixing head 16 and tightening nut 17 also can carry out worm drive, Compress Spring 19 is located at the interior also bullet of through hole and is peaked at for grip block 2 provides elastic force to clamping part inner slide between fixing head 16 and grip block 2, grip block 2 can be made to slide in through hole by rotating tightening nut 17.When medical worker needs to reset to knochenbruch, grip block 2 can be adjusted to concordant with the clamping face 3 of caliper clamping part 1 (" clamping face 3 " the as herein described curved surface for clamping part 1 directly contacts with knochenbruch) when making reduction forceps clamp knochenbruch, increase the contact area of clamping face 3 and knochenbruch, avoid reduction forceps from slippage knochenbruch, reduce reduction forceps to the damage of knochenbruch simultaneously, after reset completes, grip block 2 can be regulated slip in through hole, abdicates space and is convenient to medical worker and is inserted in jaw by steel plate and is fixed by knochenbruch.
In the present embodiment, described grip block 2 is the curved surface seamlessly transitted with the clamping face 3 of clamping part 1 towards the surface inside clamping part 1, be beneficial to make grip block 2 to form a complete smooth surface towards the surface inside clamping part 1 and clamping face 3, make reduction forceps more reliable to the clamping of knochenbruch, reduction forceps can be avoided the damage of knochenbruch simultaneously.
In the present embodiment, described caliper I is fixed with ratchet, ratchet is coaxial with the hinge of caliper I, caliper II is provided with the ratchet matched with described ratchet, (ratchet and ratchet are not shown in the drawings), ratchet and ratchet make caliper I and caliper II along clamping direction one-directional rotation, after splenial bone pincers 4 are clamped knochenbruch by medical worker, tong arm 5 can be held, splenial bone pincers 4 are due to the inverse-stopping functions of click, can not get loose, and when splenial bone being clamped 4 and take off, ratchet can be pulled and make it get loose.
In the present embodiment, described tong arm 5 is fixed with attachment screw 20, tong arm 5 is detachably fixedly connected on clamping part 1 by attachment screw 20, after knochenbruch is resetted, generally need to be fixed by knochenbruch with steel plate, now, medical worker can pull down the tong arm 5 on splenial bone pincers 4, avoid interfering with tong arm 5, carrying out smoothly of interference operation.
In the present embodiment, described gonnecting rod body 7 comprises rack bar 15 and connecting rod 12, described connecting rod 12 one end is clamped 4 with splenial bone and is fixedly connected with, connecting rod 12 other end is articulated with rack bar 15 by spherical linkage 9, because knochenbruch is in reseting procedure, need to carry out relatively rotating of trace between two splenial bone pincers 4, and spherical linkage 9 can ensure that two splenial bone pincers 4 carry out flexibly, relatively rotate accurately, ensures that operation is carried out smoothly.
In the present embodiment, described grip block 2 is provided with positive stop lug boss, through hole is shoulder hole, positive stop lug boss can peak on shoulder hole aperture inner face, carry out spacing to the slip of grip block 2, when ensureing grip block 2 to clamping part 1 inner slide to extreme position, grip block 2 can seamlessly transit towards the surface of inner side and the clamping face 3 of clamping part 1.
In the present embodiment, described connecting rod 12 is arranged with vice body support 11, vice body support 11, for being fixedly connected with splenial bone pincers 4, connecting rod 12 has also been threaded connection mounting nuts 21, by removing and installing nut 21, and can easily from dismounting connecting rod splenial bone pincers 4.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. a reduction forceps, is characterized in that: comprise at least two splenial bone pincers and the connecting rod being connected adjacent two splenial bones pincers; Described connecting rod comprises gonnecting rod body, adjusting lever and makes gonnecting rod body along it longitudinally relative to longitudinal guiding mechanism of adjusting lever movement; Described longitudinal guiding mechanism comprises the tooth bar be longitudinally fixedly arranged on along gonnecting rod body on gonnecting rod body, be rotationally connected with adjusting lever and coordinates with described tooth bar transmission gear and for locking gonnecting rod body along the lock-nut of its longitudinal direction relative to adjusting lever movement;
Described splenial bone pincers comprise the caliper I and caliper II that are hinged; Described caliper I and caliper II include the tong arm and clamping part that are mutually permanently connected; Described clamping part is provided with the through hole being communicated with its inner and outer; Grip block and grip block governor motion is provided with in described through hole; Described grip block can slide axially along through hole; Described grip block governor motion comprises screw rod, fixing head, Compress Spring and tightening nut; Described fixing head to be fixed on clamping part and to be covered by through hole and fixing head is provided with via hole; Described screw rod one end is fixedly connected with along grip block glide direction with grip block, and the screw rod other end is connected by threaded engagement with tightening nut through the via hole on fixing head; Described Compress Spring is located at the interior also bullet of through hole and is peaked between fixing head and grip block.
2. reduction forceps according to claim 1, is characterized in that: described connecting rod also comprises the transverse adjusting mechanism making adjusting lever along gonnecting rod body transverse shifting; Described transverse adjusting mechanism comprises the screw be connected with described gear being rotatable single-degree-of-freedom and the screwed hole be transversely located in adjusting lever; Described screw and screwed hole are connected and can carry out worm drive.
3. reduction forceps according to claim 2, is characterized in that: described gear face is provided with interior hexagonal boss; Described screw is socket head screw.
4. reduction forceps according to claim 1, is characterized in that: described grip block is the curved surface that can seamlessly transit with the clamping face of clamping part towards the surface inside clamping part.
5. reduction forceps according to claim 4, is characterized in that: described caliper I is fixed with ratchet; Described ratchet is coaxial with the hinge of caliper I; Described caliper II is provided with the ratchet matched with described ratchet.
6. reduction forceps according to claim 5, is characterized in that: described tong arm is fixed with attachment screw, and described tong arm is detachably fixedly connected on described clamping part by attachment screw.
7. reduction forceps according to claim 6, is characterized in that: described gonnecting rod body comprises rack bar and connecting rod; Described connecting rod one end is clamped with splenial bone and is fixedly connected with, and the connecting rod other end is articulated with rack bar by spherical linkage.
8. reduction forceps according to claim 7, is characterized in that: described grip block is provided with positive stop lug boss; Described through hole is shoulder hole.
9. reduction forceps according to claim 8, is characterized in that: described connecting rod is arranged with vice body support; Described vice body support is used for being fixedly connected with splenial bone pincers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244519.4A CN103976773B (en) | 2014-06-04 | 2014-06-04 | reduction forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244519.4A CN103976773B (en) | 2014-06-04 | 2014-06-04 | reduction forceps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103976773A CN103976773A (en) | 2014-08-13 |
| CN103976773B true CN103976773B (en) | 2016-02-24 |
Family
ID=51269116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410244519.4A Active CN103976773B (en) | 2014-06-04 | 2014-06-04 | reduction forceps |
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| Country | Link |
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| CN (1) | CN103976773B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105596064B (en) * | 2016-01-29 | 2018-07-20 | 张�杰 | A kind of fracture resetting tongs and composite bone fracture reduction instrument |
| CN106859761A (en) * | 2017-03-16 | 2017-06-20 | 谢志进 | Fracture distraction reduction grips pincers |
| WO2019074722A2 (en) | 2017-10-10 | 2019-04-18 | Miki Roberto Augusto | Universal orthopedic clamp |
| CN108814677B (en) * | 2018-05-28 | 2020-12-29 | 青岛智兴医疗器械有限公司 | Fixed pincers of orthopedics |
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| US2631585A (en) * | 1949-09-06 | 1953-03-17 | Siebrandt Francture Equipment | Bone reducing tool |
| US2743726A (en) * | 1953-05-28 | 1956-05-01 | Herman R Grieshaber | Surgical instrument |
| US5578032A (en) * | 1994-12-20 | 1996-11-26 | Accurate Surgical & Scientific Instruments Corporation | Bone clamp |
| WO2000016709A1 (en) * | 1998-09-17 | 2000-03-30 | Synthes Ag Chur | Repositioning instrument for the fixation of bone fractures |
| CN2457972Y (en) * | 2000-07-09 | 2001-11-07 | 孙武坚 | Multi-angle adjustable automatic bone-holding reductor |
| CN201356637Y (en) * | 2009-02-26 | 2009-12-09 | 刘涛 | Adjustable fracture reduction fixing pincers |
| CN102599967A (en) * | 2012-04-17 | 2012-07-25 | 上海市奉贤区中心医院 | Surgical indirect repositor for bone fracture |
| CN103222889A (en) * | 2013-05-17 | 2013-07-31 | 中南大学湘雅医院 | Bone grafting device and use method of bone grafting device |
| US8685037B1 (en) * | 2009-12-22 | 2014-04-01 | Christopher Jordan | Bone reduction and plate clamp assembly |
-
2014
- 2014-06-04 CN CN201410244519.4A patent/CN103976773B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2631585A (en) * | 1949-09-06 | 1953-03-17 | Siebrandt Francture Equipment | Bone reducing tool |
| US2743726A (en) * | 1953-05-28 | 1956-05-01 | Herman R Grieshaber | Surgical instrument |
| US5578032A (en) * | 1994-12-20 | 1996-11-26 | Accurate Surgical & Scientific Instruments Corporation | Bone clamp |
| WO2000016709A1 (en) * | 1998-09-17 | 2000-03-30 | Synthes Ag Chur | Repositioning instrument for the fixation of bone fractures |
| CN2457972Y (en) * | 2000-07-09 | 2001-11-07 | 孙武坚 | Multi-angle adjustable automatic bone-holding reductor |
| CN201356637Y (en) * | 2009-02-26 | 2009-12-09 | 刘涛 | Adjustable fracture reduction fixing pincers |
| US8685037B1 (en) * | 2009-12-22 | 2014-04-01 | Christopher Jordan | Bone reduction and plate clamp assembly |
| CN102599967A (en) * | 2012-04-17 | 2012-07-25 | 上海市奉贤区中心医院 | Surgical indirect repositor for bone fracture |
| CN103222889A (en) * | 2013-05-17 | 2013-07-31 | 中南大学湘雅医院 | Bone grafting device and use method of bone grafting device |
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| Publication number | Publication date |
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| CN103976773A (en) | 2014-08-13 |
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Effective date of registration: 20200803 Address after: No.12 hutaixin Road, Liuhe Town, Taicang City, Suzhou City, Jiangsu Province Patentee after: JIANGSU HUIGU MEDICAL DEVICES Co.,Ltd. Address before: Jiulongpo Longquan village 400080 Chongqing City No. 160 Co-patentee before: Yang Li Patentee before: Ma Qiuye |
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