CN105816226A - Intramedullary skeleton tractor - Google Patents
Intramedullary skeleton tractor Download PDFInfo
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- CN105816226A CN105816226A CN201610136960.XA CN201610136960A CN105816226A CN 105816226 A CN105816226 A CN 105816226A CN 201610136960 A CN201610136960 A CN 201610136960A CN 105816226 A CN105816226 A CN 105816226A
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- positioner
- bone
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- bearing
- leading screw
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- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
-
- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6441—Bilateral fixators, i.e. with both ends of pins or wires clamped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to an intramedullary skeleton tractor. The intramedullary skeleton tractor comprises a bone stump positioning device, a power transmission mechanism, and a power inputting device, wherein the bone stump positioning device is provided with a first positioning device and a second positioning device; the distance of the first positioning device relative to the second positioning device can be adjusted by a screw rod; the power transmission mechanism comprises a driving gear, a driven gear and an assisting gear, wherein the driven gear is fixedly mounted on the screw rod in a sleeving manner; the assisting gear can be relatively and rotatably mounted on the screw rod in a sleeving manner; the driving gear, the driven gear and the assisting gear are mutually meshed; the power inputting device and the power transmission mechanism can be arranged in a combination or separation manner; the power inputting device comprises a driving rod for driving the driving gear to rotate; a positioning cylinder is mounted on the outer side of the driving rod in a sleeving manner, and the driving rod can rotate relative to the positioning cylinder. According to the intramedullary skeleton tractor disclosed by the invention, governing response is accurate, and the intramedullary skeleton tractor is convenient for people to use, and is suitable for prolonged treatment of a patient suffering from femur shortening deformity caused by various factors.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of intramedullary bone bone traction apparatus.
Background technology
From the point of view of developing according to domestic and international Limb lengthening technology, prolongation technology generally comprises: exterior fixation bracket extends, exterior fixation bracket extends prolongation technology, the intramedullary lengtheing nail technology etc. of being combined with intramedullary pin, although these technology all serve the effect of Limb lengthening, but there is problems in that
1, use exterior fixation bracket to extend, usually due to osteotomy broken ends of fractured bone malalignment in interior outside cortical bone unbalance stress or operation, frequently result in the lower limb line of force and change, femur Varus deformity, and easily cause postoperative complication, such as osteoarthritis.Meanwhile, if using for a long time exterior fixation bracket to fix, easily causing pin track infection and affect minimal invasive treatment and wear the clothes, great misery can be brought to patient's body and mind；
2, use the prolongation method that is combined with intramedullary needle of exterior fixation bracket, osteogenesis can be made along y direction extension, it is to avoid the problem of outrigger line of force change.Especially the intramedullary pin of band auto-lock function can after prolongation terminates automatic locked lengths, removable outrigger, it is to avoid secondary locking operation, greatly reduce outrigger standing time and pin track infection risk.Even so, extender need nonetheless remain for by outrigger traction auxiliary, and device itself can not bounce back adjustments, can only extend in one direction, it is clear that when sclerotin cross lead need to adjust back time, this apparatus function cannot meet the needs of clinical treatment, the most single.
3, the method using intramedullary lengtheing nail, solve the problems referred to above, this device is without outrigger auxiliary traction, intramedullary lengtheing nail is the most advanced and clinical practice is more successfully external utilizing electromagnetic power or place motor power transmission at present, can be described as a kind of beautiful design, but because its dynamical system is unstable, the situation of mechanical breakdown happens occasionally clinically, if once broken down, Limb lengthening operation will be counted out, it is necessary to second operation extends again, and it is expensive, inconvenience is universal, brings bigger burden also can to patient body and economy.
Summary of the invention
The present invention is in order to overcome above-mentioned the deficiencies in the prior art, and then provides a kind of intramedullary bone bone traction apparatus, it is possible to being convenient for people to use, governing response is accurate, it is adaptable to the extended treatment of the femoral shortening deformation patients that various factors causes.
Technical scheme:
A kind of intramedullary bone bone traction apparatus, including bone stump positioner, Poewr transmission mechanism, power input device；
Described bone stump positioner has the first positioner and the second positioner, and described first positioner can be regulated by leading screw relative to the distance between described second positioner；
Described Poewr transmission mechanism includes driving gear, driven gear, equipment gear, described driven gear is fixedly set on described leading screw, described equipment gear is sleeved on described leading screw rotatably, and described driving gear engages each other with described driven gear, described equipment gear；
Described power input device and described Poewr transmission mechanism can in conjunction with or be disposed separately, described power input device includes the drive rod for driving described driving gear to rotate, the outer sheath of described drive rod is equipped with positioning tube, and described drive rod can rotate relative to described positioning tube.
Further, to side, extension is formed with square anti-transfer part to described first positioner, and described second positioner is formed with the slot matched with described anti-transfer part, can slide relative to described slot in described anti-transfer part.
Further, described leading screw is arranged in described slot, and the end extension of described slot is formed with the receiving chamber for installing clutch shaft bearing and the second bearing, and described clutch shaft bearing, the outer ring of described second bearing fix assembly in described receiving intracavity；One end of described leading screw is connected with described second positioner by described clutch shaft bearing, described second bearing, and the other end of described leading screw is connected with described first positioner.
Further, the centre position of described leading screw is also set with location gripper shoe, and described location gripper shoe is connected by bolt and described second positioner are fixing, is connected by the 3rd bearing between described leading screw with described location gripper shoe.
Further, described clutch shaft bearing, described second bearing all vulcanize and are arranged on described receiving intracavity, and described 3rd bearing sulfuration is arranged in the gripper shoe of described location.
Further, the side of described equipment gear abuts with described second bearing, and described second bearing forms axially location to described equipment gear.
Further, one end of described positioning tube is provided with tapping screw thread, and the other end of described positioning tube is provided with positive stop lug boss, and the end of described drive rod is connected by connecting rod and ratchet are fixing, the outer wall of described positioning tube is formed and the ratchet of described click-fit.
Further, the sidewall of described driving gear caves inward and is formed with interior hexagonal groove, and described drive rod stretches out and is formed with the hexagonal boss coordinated with described interior hexagonal groove.
The present invention has the advantages that intramedullary bone bone traction apparatus disclosed by the invention relative to prior art, including bone stump positioner, Poewr transmission mechanism, power input device, the drive rod of the present invention manually rotary power input equipment, and then drive the driving gear of Poewr transmission mechanism to rotate, driving gear engages with driven gear, power is transferred to driven gear from driving gear, driven gear is fixed on leading screw, power is transferred to leading screw by driven gear, the rotation of leading screw can drive the first positioner being spirally connected with leading screw to do motion of stretching or contract, thus have adjusted first positioner distance relative to the second positioner；The half of bone stump is connected by steel nail is fixing with the first positioner, second half of bone stump is connected by steel nail is fixing with the second positioner, bone stump positioner, in Poewr transmission mechanism needs the marrow of implantation bone stump, power input device can separate with bone stump positioner and Poewr transmission mechanism, this by external force transmission thus drive screw turns, reach the intramedullary bone bone traction apparatus of Limb lengthening effect, solve the tradition outrigger line of force and change problem, at the end of Limb lengthening, power input device can be dismantled, substantially reduce the standing time of power input device, reduce the risk of pin track infection, and conveniently nail road is nursed and functional exercise after operation in patients, do not affect patient to wear the clothes orthobiosis；Armrest of the present invention moves external force transmission, dynamical stability, can avoid the occurrence of dyskinesis；Cheap for manufacturing cost, simple to operate, easily promote the use of.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become apparent from the description below, or is recognized by the practice of invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation within the embodiment of the present invention；
Fig. 3 is the structural representation within the embodiment of the present invention；
Fig. 4 is embodiment of the present invention Poewr transmission mechanism schematic diagram；
Fig. 5 is embodiment of the present invention power input device schematic diagram；
1-bone stump positioner in figure；2-Poewr transmission mechanism；3-power input device；
11-the first positioner；12-the second positioner；13-leading screw；14-clutch shaft bearing；15-the second bearing；16-accommodates chamber；17-positions gripper shoe；18-bolt；19-the 3rd bearing；
21-driving gear；22-driven gear；23-equipment gear；
31-drive rod；32-positioning tube；33-connecting rod；34-ratchet；35-ratchet；
The anti-transfer part of 110-；120-slot；Hexagonal groove in 210-；310-hexagonal boss；320-tapping screw thread；321-positive stop lug boss.
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is described in detail.
In conjunction with shown in Fig. 1 to Fig. 5, intramedullary bone bone traction apparatus disclosed in the present embodiment, including bone stump positioner 1, Poewr transmission mechanism 2, power input device 3；
nullBone stump positioner 1 has the first positioner 11 and the second positioner 12，First positioner 11 can be regulated by leading screw 13 relative to the distance between the second positioner 12，More specifically，One end of first positioner 11 is provided with the installing hole passed for steel nail，The other end extension of the first positioner 11 is formed with square anti-transfer part 110，One end of second positioner 12 is also equipped with the installing hole passed for steel nail equally，Second positioner 12 is formed with the slot 120 matched with anti-transfer part 110，Square anti-transfer part 110 can be inserted in slot 120，And can slide along slot 120，But square anti-transfer part 110 can stop the rotary motion between anti-transfer part 110 and slot 120，I.e. first positioner 11 can only do telescopic slide relative to the second positioner 12；The purpose being arranged such is, the half of the bone stump implementing bone lengthening can be by steel nail and the first fixing connection of positioner 11, second half of bone stump can be by steel nail and the second fixing connection of positioner 12, due between the first positioner 11 and the second positioner 12 in relative rotation degree of freedom limited, therefore, so can ensure that the stable conjugated growth of bone stump, bone stump malalignment can be avoided, the lower limb line of force changes, the appearance of the sequela such as femur Varus deformity.
Being connected by leading screw 13 between first positioner 11 and the second positioner 12, the screwed one end of leading screw 13 is spirally connected with the first positioner 11, it is preferable that be provided with, in the anti-transfer part 110 of the first positioner 11, the female thread matched with leading screw 13；Leading screw 13 is connected with the second positioner 12 formation by clutch shaft bearing the 14, second bearing 15 with one end of optical axis；It is formed with for disposing clutch shaft bearing 14 and the receiving chamber 16 of the second bearing 15 in the second positioner 12, accommodate chamber 16 and be arranged at the one end of slot 120, within accommodating chamber 16, sulfuration is installed with clutch shaft bearing 14 and the second bearing 15 successively, i.e. clutch shaft bearing 14, assembly is fixed within accommodating chamber 16 in the outer ring of the second bearing 15, so by clutch shaft bearing 14 and the supporting role of the second bearing 15, can ensure that the leading screw 13 rotation relative to the second positioner 12, and then make leading screw 13 can be driven the telescopic slide of the first positioner 11 by rotation, finally realize the regulation of bone stump distance.
Wherein, leading screw 13 is mainly played a supporting role by the effect of clutch shaft bearing 14, leading screw 13 is played certain supporting role by the second bearing 15 1 aspect, on the other hand the equipment gear 23 abutted with it is played the effect of axially location, more specifically, Poewr transmission mechanism disclosed in the present embodiment includes driving gear 21, driven gear 22, equipment gear 23, driven gear 22 and equipment gear 23 are all sleeved on leading screw 13, driven gear 22 uses fixing connection with leading screw 13, equipment gear 23 is sleeved on leading screw 13 rotatably, driving gear 21 and driven gear 22, equipment gear 23 engages each other；As preferably, driving gear 21, driven gear 22, equipment gear 23 all use conical bevel gear, so can save space so that the space between driving gear 21, driven gear 22, equipment gear 23 is arranged；The Main Function of driven gear 22 is that the moment that driving gear 21 exports is transferred to leading screw 13, and equipment gear 23 is owing to empty set is on leading screw 13, and its Main Function is to play driving gear 21 to support and spacing effect.
For being further ensured that the stability in leading screw 13 rotation process, middle position at leading screw 13 is provided with location gripper shoe 17, location gripper shoe 17 is connected by bolt 18 is fixing with the second positioner 12, need the 3rd bearing 19 is installed in the centre position of location gripper shoe 17, 3rd bearing 19 needs also exist for being sleeved on leading screw 13, so, leading screw 13 can be played supporting role further by location gripper shoe 17, ensure the stability of leading screw 13 rotation process, can avoid leading screw 13 that circular runout occurs, thus the stability that the first positioner 11 slides can be ensured relative to the second positioner 12, the phenomenon that can avoid bone stump malalignment occurs；Meanwhile, driven gear 22 is also played certain axial positioning action by location gripper shoe 17.
nullPower input device 3 and Poewr transmission mechanism 2 can in conjunction with or be disposed separately，Power input device 3 includes the drive rod 31 for driving driving gear 21 to rotate，At the outer sheath of drive rod 31 equipped with positioning tube 32，Drive rod 31 can rotate relative to positioning tube 32，One end on the outer wall of positioning tube 32 is provided with tapping screw thread 320，The purpose arranging tapping screw thread 320 is to make positioning tube 32 to screw in skeleton smoothly，Positioning tube 32 is made to be fixed，The other end on the outer wall of positioning tube 32 is provided with positive stop lug boss 321，The outer wall Shanghai of the positioning tube 32 near positive stop lug boss 321 is provided with ratchet 35，The end of drive rod 31 extends connection by connecting rod 33 ratchet 34，Ratchet 34 can coordinate with ratchet 35，So，By coordinating between ratchet 35 with ratchet 34, the position of rotation between drive rod 31 and positioning tube 32 is fixed，User，Can the most as required，Rotate drive rod 31 at any time，Its position of rotation can carry out locking by ratchet 35 with coordinating of ratchet 34，Facilitate the operation of user；Preferably, it is also equipped with back-moving spring on ratchet 34, when user needs to invert drive rod 31, ratchet 34 compression reseting spring can be stirred by external force, so that can rotate backward between ratchet 34 and ratchet 35, the purpose being arranged such is, when drive rod 31 rotates forward, bone stump can be made to form the effect extended, when drive rod 31 rotates backward, the distance between bone stump can be shortened, so, can regulate voluntarily according to actual clinical treatment needs, therapeutic quality and the effect of clinic can be improved；Arrange the effect of positive stop lug boss 321 to be to carry out spacing relative to moving axially of positioning tube 32 to drive rod 31, can prevent drive rod 31 from departing from positioning tube 32.
Sidewall at driving gear 21 caves inward and is formed with interior hexagonal groove 210, drive rod 31 stretches out and is formed with the hexagonal boss 310 coordinated with interior hexagonal groove 210, coordinated by the grafting between hexagonal boss 310 with interior hexagonal groove 210, drive rod 31 can be made to drive driving gear 21 to rotate, simultaneously, can combine rapidly or separate between drive rod 31 and driving gear 21 that grafting coordinates, simple operation.
Above example is the exemplary illustration to this patent, does not limit its protection domain, and its local can also be changed, as long as no the spirit beyond this patent, all in the protection domain of this patent by those skilled in the art.
Claims (8)
1. an intramedullary bone bone traction apparatus, it is characterised in that include bone stump positioner (1), Poewr transmission mechanism (2), power input device (3)；
Described bone stump positioner (1) has the first positioner (11) and the second positioner (12), and described first positioner (11) can pass through leading screw (13) regulation relative to the distance between described second positioner (12)；
Described Poewr transmission mechanism (2) includes driving gear (21), driven gear (22), equipment gear (23), described driven gear (22) is fixedly set on described leading screw (13), described equipment gear (23) is sleeved on described leading screw (13) rotatably, and described driving gear (21) engages each other with described driven gear (22), described equipment gear (23)；
Described power input device (3) and described Poewr transmission mechanism (2) can in conjunction with or be disposed separately, described power input device (3) includes the drive rod (31) for driving described driving gear (21) to rotate, the outer sheath of described drive rod (31) can rotate relative to described positioning tube (32) equipped with positioning tube (32), described drive rod (31).
A kind of intramedullary bone bone traction apparatus the most according to claim 1, it is characterized in that, to side, extension is formed with square anti-transfer part (110) to described first positioner (11), described second positioner (12) is formed with the slot (120) matched with described anti-transfer part (110), and described anti-transfer part (110) can be slided relative to described slot (120).
A kind of intramedullary bone bone traction apparatus the most according to claim 2, it is characterized in that, described leading screw (13) is arranged in described slot (120), the end extension of described slot (120) is formed with the receiving chamber (16) for installing clutch shaft bearing (14) and the second bearing (15), and described clutch shaft bearing (14), the outer ring of described second bearing (15) fix assembly in described receiving chamber (16)；One end of described leading screw (13) is connected with described second positioner (12) by described clutch shaft bearing (14), described second bearing (15), and the other end of described leading screw (13) is connected with described first positioner (11).
A kind of intramedullary bone bone traction apparatus the most according to claim 3, it is characterized in that, the centre position of described leading screw (13) is also set with location gripper shoe (17), described location gripper shoe (17) is connected by bolt (18) and described second positioner (12) are fixing, is connected by the 3rd bearing (19) between described leading screw (13) with described location gripper shoe (17).
A kind of intramedullary bone bone traction apparatus the most according to claim 4, it is characterized in that, in described clutch shaft bearing (14), described second bearing (15) all vulcanize and be arranged on described receiving chamber (16), described 3rd bearing (19) sulfuration is arranged in described location gripper shoe (17).
A kind of intramedullary bone bone traction apparatus, it is characterized in that, the side of described equipment gear (23) abuts with described second bearing (15), and described second bearing (15) forms axially location to described equipment gear (23).
A kind of intramedullary bone bone traction apparatus the most according to claim 6, it is characterized in that, one end of described positioning tube (32) is provided with tapping screw thread (320), the other end of described positioning tube (32) is provided with positive stop lug boss (321), the end of described drive rod (31) is connected by connecting rod (33) and ratchet (34) are fixing, and the outer wall of described positioning tube (32) is formed the ratchet (35) coordinated with described ratchet (34).
A kind of intramedullary bone bone traction apparatus the most according to claim 7, it is characterized in that, the sidewall of described driving gear (21) caves inward and is formed with interior hexagonal groove (210), and described drive rod (31) stretches out and is formed with the hexagonal boss (310) coordinated with described interior hexagonal groove (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136960.XA CN105816226A (en) | 2016-03-11 | 2016-03-11 | Intramedullary skeleton tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136960.XA CN105816226A (en) | 2016-03-11 | 2016-03-11 | Intramedullary skeleton tractor |
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| CN105816226A true CN105816226A (en) | 2016-08-03 |
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| CN201610136960.XA Pending CN105816226A (en) | 2016-03-11 | 2016-03-11 | Intramedullary skeleton tractor |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107997845A (en) * | 2017-12-26 | 2018-05-08 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Nerve terminal sprouting tractor |
| CN108309418A (en) * | 2018-02-06 | 2018-07-24 | 重庆医科大学附属永川医院 | A kind of Magnetic force tracting device |
| CN108784903A (en) * | 2018-07-25 | 2018-11-13 | 广州新诚生物科技有限公司 | Orientation adjustment fixed frame and unidirectional adjustment structure |
| CN108904027A (en) * | 2018-08-23 | 2018-11-30 | 上海市同济医院 | A kind of near end of thighbone axial pressure intramedullary nail |
| CN109259837A (en) * | 2018-08-09 | 2019-01-25 | 盐城日升月恒智能科技有限公司 | A kind of novel rope sheave Limb lengthening device |
| CN109259836A (en) * | 2018-08-09 | 2019-01-25 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside belt pulley Limb lengthening device |
| CN109276298A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside rope sheave Limb lengthening device |
| CN109276300A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside bevel gear Limb lengthening device |
| CN109276301A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of electronic Limb lengthening device of the novel marrow combination of inner and outside |
| CN109276299A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of belt sheave Limb lengthening device |
| CN110916780A (en) * | 2019-11-13 | 2020-03-27 | 中国人民解放军总医院第七医学中心 | Taylor space external bone fixing support for pelvis fracture reduction |
| CN111345882A (en) * | 2020-04-09 | 2020-06-30 | 南方医科大学第三附属医院 | Intramedullary pressure applying robot capable of replacing transverse bone moving |
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Cited By (20)
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|---|---|---|---|---|
| CN107997845A (en) * | 2017-12-26 | 2018-05-08 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Nerve terminal sprouting tractor |
| CN108309418A (en) * | 2018-02-06 | 2018-07-24 | 重庆医科大学附属永川医院 | A kind of Magnetic force tracting device |
| CN108784903A (en) * | 2018-07-25 | 2018-11-13 | 广州新诚生物科技有限公司 | Orientation adjustment fixed frame and unidirectional adjustment structure |
| CN108784903B (en) * | 2018-07-25 | 2024-04-16 | 广州新诚生物科技有限公司 | Directional adjustment fixing frame and unidirectional adjustment structure |
| CN109276300B (en) * | 2018-08-09 | 2020-12-18 | 盐城日升月恒智能科技有限公司 | Intramedullary and extramedullary combined bevel gear bone lengthening device |
| CN109276298B (en) * | 2018-08-09 | 2020-12-18 | 盐城日升月恒智能科技有限公司 | Intramedullary and extramedullary combined rope sheave bone lengthening device |
| CN109276298A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside rope sheave Limb lengthening device |
| CN109276300A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside bevel gear Limb lengthening device |
| CN109276301A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of electronic Limb lengthening device of the novel marrow combination of inner and outside |
| CN109276299A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of belt sheave Limb lengthening device |
| CN109259837B (en) * | 2018-08-09 | 2021-01-01 | 盐城日升月恒智能科技有限公司 | Rope wheel bone extension fixture |
| CN109276299B (en) * | 2018-08-09 | 2020-12-18 | 盐城日升月恒智能科技有限公司 | Belt pulley bone extension fixture |
| CN109276301B (en) * | 2018-08-09 | 2020-12-18 | 盐城日升月恒智能科技有限公司 | Intramedullary and extramedullary combined electric bone lengthening device |
| CN109259836B (en) * | 2018-08-09 | 2020-12-18 | 盐城日升月恒智能科技有限公司 | Intramedullary and extramedullary combined belt pulley bone lengthening device |
| CN109259836A (en) * | 2018-08-09 | 2019-01-25 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside belt pulley Limb lengthening device |
| CN109259837A (en) * | 2018-08-09 | 2019-01-25 | 盐城日升月恒智能科技有限公司 | A kind of novel rope sheave Limb lengthening device |
| CN108904027A (en) * | 2018-08-23 | 2018-11-30 | 上海市同济医院 | A kind of near end of thighbone axial pressure intramedullary nail |
| CN110916780B (en) * | 2019-11-13 | 2020-10-09 | 中国人民解放军总医院第七医学中心 | Taylor space external bone fixing support for pelvis fracture reduction |
| CN110916780A (en) * | 2019-11-13 | 2020-03-27 | 中国人民解放军总医院第七医学中心 | Taylor space external bone fixing support for pelvis fracture reduction |
| CN111345882A (en) * | 2020-04-09 | 2020-06-30 | 南方医科大学第三附属医院 | Intramedullary pressure applying robot capable of replacing transverse bone moving |
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