CN108670392B - Treatment device for bone fracture of hip and leg of orthopedics department - Google Patents
Treatment device for bone fracture of hip and leg of orthopedics department Download PDFInfo
- Publication number
- CN108670392B CN108670392B CN201810527598.8A CN201810527598A CN108670392B CN 108670392 B CN108670392 B CN 108670392B CN 201810527598 A CN201810527598 A CN 201810527598A CN 108670392 B CN108670392 B CN 108670392B
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- bone nail
- hole
- screw
- rod
- bone
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
Abstract
The invention relates to a medical instrument, in particular to a treatment device for bone fracture of hip and leg in orthopedics department. A treatment device for orthopedic hip and leg bone fracture comprises a fixing rod, a correction frame, a correction needle, a first bone nail, a second bone nail and a third bone nail; first bone nail, second bone nail and third bone nail all are the adjustable in position and angle, many correction needles also can finely tune in the contact pin hole, then through the bolt fastening, in the time of the use, first bone nail is used for fixed setting in thighbone greater trochanter below position, third bone nail is used for fixed setting in thighbone shaft middle part position, the second bone nail is used for fixed setting in first bone nail below lesser trochanter top position, the terminal extension line of the needle point of correction needle all is located the thighbone neck region, effect through correction needle and second bone nail, apply the effort in thighbone neck fracture department, make fracture risk healing. The device of the invention has short operation time, simple operation, less pain for patients and less complication.
Description
Technical Field
The invention relates to a medical instrument, in particular to a treatment device for bone fracture of hip and leg in orthopedics department.
Background
Hip, leg, femur and neck fractures often occur in the elderly, and the incidence of the fractures gradually increases with the life of the elderly, and especially with the aging population, the fractures become a serious social problem. Femoral neck fractures may occur in all ages, but the elderly over 50 years of age are most common, with women more than men. Trauma violence may be mild as it often occurs on the basis of osteoporosis. And fracture of femoral neck in middle and young age is often caused by great violence. The disability rate and the fatality rate of femoral neck fracture are high, and the disability rate and the fatality rate become one of the main threats to the reduction of the life quality or the death of the old.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a treatment device for hip bone fracture of orthopedics department, which is used for treating hip bone fracture of femur and neck fracture of hip bone and has the characteristics of short operation time, simple operation, less pain of patients and less complications.
In order to achieve the purpose, the invention adopts the following technical scheme:
a treatment device for orthopedic hip and leg bone fracture comprises a fixing rod, a correction frame, a correction needle, a first bone nail, a second bone nail and a third bone nail; the fixing rod is arranged in the Y direction, the fixing rod is hollow, an upper fixing seat and a lower fixing seat are respectively arranged at two ends of the fixing rod, the first bone nail and the third bone nail are arranged in the X direction, the first bone nail is fixedly arranged on the upper fixing seat through a first connecting joint device, the third bone nail is fixedly arranged on the lower fixing seat through a second connecting joint device, the first bone nail is used for being fixedly arranged at the position below a greater trochanter of a femur, and the third bone nail is used for being fixedly arranged at the middle position of a femoral shaft;
the correcting frame is arranged in the Z direction through a position adjusting device, and the position adjusting device comprises a Y-direction position adjusting device and a Z-direction position adjusting device; the Y-direction position adjusting device comprises sliding grooves, sliding seats, a first screw rod, a first motor, a first gearbox and sliding sleeves, wherein the sliding grooves are oppositely arranged on two sides of the fixed rod; the Z-direction position adjusting device comprises two sliding shafts, a connecting rod, a second screw rod, a second motor and a second gearbox, wherein one ends of the two sliding shafts respectively penetrate through the two sliding sleeves and the sliding groove to be fixedly connected with the sliding seat, the other ends of the two sliding shafts are connected through the connecting rod, the upper part and the lower part of the correcting frame are respectively arranged on the two sliding shafts through shaft sleeves, screw sleeves are further arranged on the correcting frame, the second screw rod penetrates through the screw sleeves to be arranged, and the end part of the second screw rod is in transmission connection with the second motor through the second gearbox;
the middle part of the correcting frame is provided with an upward inclined through hole, the rear end part of the second bone nail is arranged in the through hole, and the second bone nail is used for being fixedly arranged above the lesser trochanter below the first bone nail; the correction frame is provided with six contact pin holes around fenestrate to two sides at the correction frame are provided with the screw hole respectively, and every screw hole corresponds one contact pin hole with one side, and the screw hole extends to corresponding contact pin hole, the correction needle setting in the contact pin hole, the internal diameter of contact pin hole is greater than the external diameter of correcting the needle, and each correction needle slope upwards sets up, and the terminal extension line of needle point all lies in the thighbone neck region after adjusting the angle, and the back tip of correcting the needle is then fixed through the bolt locking of wearing to establish in the threaded hole.
As a further improvement, the rear end of the through hole is provided with a threaded head which is fixed on the rear side surface of the correcting frame, an oblique threaded hole which is obliquely crossed with the through hole is arranged in the threaded head, and a screw rod at the rear end part of the second bone nail is arranged in the through hole and the oblique threaded hole in a penetrating mode.
As a further improvement, the through holes are arranged at an angle of 40 ~ 50 degrees with the correcting frame.
As a further improvement, the end part of the correction needle is provided with a cylindrical connector, the cylindrical connector is arranged in the contact pin hole, the side wall of the cylindrical connector is provided with a limiting hole, and the tail end of the bolt is arranged in the limiting hole.
As further improvement, first connection piecing devices include that first Z is to connecting rod, Y to connector and lock nut, first Z set up on last fixing base to the inboard tip of connecting rod is fixed, Y is provided with the shaft hole to the one end of connector, the shaft hole is worn to establish first Z and is fixed to the outside tip of connecting rod and have lock nut, Y is provided with the screw to the other end of connector, the tip screw rod setting of first bone nail is in the screw hole and set up lock screw fixed.
As a further improvement, the second connecting joint device comprises a second Z-direction connecting rod, a Y-direction connecting sleeve, a third screw rod, a third motor, a third gearbox and a screw rod sleeve, wherein the inner side end of the second Z-direction connecting rod is fixedly arranged on the lower fixing seat, the upper end of the Y-direction connecting sleeve is provided with a shaft hole, the shaft hole is arranged at the outer side end of the second Z-direction connecting rod in a penetrating manner and is fixed by a locking nut, the screw rod sleeve is arranged in the Y-direction connecting sleeve, one end of the screw rod sleeve is provided with internal threads which are in transmission connection with the third screw rod, and the end of the third screw rod is in transmission connection with the third motor through the third gearbox; the other end of the screw rod sleeve is provided with a connecting screw rod, the connecting screw rod is connected with a connector, and the end screw rod of the third bone nail is arranged on the connector and is fixed by a locking screw.
As a further improvement, the fixed rod is respectively provided with scales at two sides of the sliding groove.
According to the technical scheme, when the bone fracture treatment device is used, the positions and angles of the first bone nail, the second bone nail and the third bone nail can be adjusted through the motor, the plurality of correction pins can also be finely adjusted in the pin inserting holes and then are fixed through the bolts, the first bone nail is fixedly arranged at the position below the greater trochanter of the femur, the third bone nail is fixedly arranged at the middle position of the femoral body, the second bone nail is fixedly arranged at the position above the lesser trochanter below the first bone nail, the extension lines of the tail ends of the needle points of the correction pins are all located in the femoral neck area, and after positioning is completed, the first bone nail, the second bone nail and the third bone nail are removed, acting force is applied to the femoral neck fracture part through the effect of the correction pins, and fracture risks are healed. The device of the invention has short operation time, simple operation, less pain for patients and less complication.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of an explosive structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of the orthodontic bracket.
Fig. 4 is a schematic structural view of the first connection joint device.
Fig. 5 is a schematic view of the second connector device.
Fig. 6 is a schematic structural view of the correction needle.
Fig. 7 is a schematic structural view of a second bone screw.
FIG. 8 is a schematic structural diagram of the present invention in use.
Detailed Description
The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.
A treatment device for bone fracture of hip and leg in orthopaedics comprises a fixing rod 1, an correcting frame 2, a correcting needle 3, a first bone nail 4, a second bone nail 5 and a third bone nail 6. Dead lever 1Y to setting up, dead lever 1 cavity, both ends are provided with fixing base 11 and lower fixing base 12 respectively, first bone nail 4 and third bone nail 6X to setting up, first bone nail 4 is fixed to be set up on last fixing base 11 through first attach fitting device 8, third bone nail 6 passes through second attach fitting device 9 and fixes and set up under on fixing base 12, first bone nail 4 is used for fixed setting in the greater trochanter 101 below position of thighbone 10, third bone nail 6 is used for fixed setting in thighbone 102 middle part position.
As shown in fig. 3, the correcting rack 2 is arranged in the Z direction by a position adjusting device 7, and the position adjusting device 7 comprises a Y-position adjusting device and a Z-position adjusting device. The Y-direction position adjusting device comprises a sliding groove 13, a sliding seat 71, a first screw 72, a first motor 74, a first gearbox 73 and a sliding sleeve 75, wherein the sliding groove 13 is oppositely arranged on two sides of the fixing rod 1, the sliding seat 71 is arranged inside the fixing rod 1, and scales are respectively arranged on two sides of the sliding groove 13 of the fixing rod 1. The first screw rod 72 is arranged above the sliding seat 71, the first screw rod 72 is in transmission connection with a thread arranged inside the sliding seat 71, the top of the screw rod is in transmission connection with the first motor 74 through the first gearbox 73, the first gearbox 73 is fixedly arranged on the upper fixing seat 11, and the sliding sleeve 75 is sleeved outside the fixing rod 1. The Z-direction position adjusting device comprises two sliding shafts 76, a connecting rod 77, a second screw rod 78, a second motor 79 and a second gearbox 80, one ends of the two sliding shafts 76 respectively penetrate through the two sliding sleeves 75, the sliding groove 13 and the sliding seat 71, the other ends of the two sliding shafts 76 are connected through the connecting rod 77, the upper portion and the lower portion of the correcting frame 2 are respectively arranged on the two sliding shafts 76 through shaft sleeves, threaded sleeves are further arranged on the correcting frame 2, the second screw rod 78 penetrates through the threaded sleeves, and the end portion of the second screw rod 78 is in transmission connection with the second motor 79 through the second gearbox 80.
As shown in fig. 2 and 3, the middle of the correcting frame 2 is provided with an upward inclined through hole 21, the rear end of the second bone nail 5 is arranged in the through hole 21, and the through hole 21 and the correcting frame 2 are arranged at an angle of 45 °. As shown in fig. 7, a screw head 51 is provided at the rear end of the through hole 21, the screw head 51 is fixed to the rear side surface of the correction frame 2, an oblique screw hole 52 is provided in the screw head 51 obliquely to the through hole 21, and the screw rod at the rear end of the second bone screw 5 is inserted into the through hole 21 and the oblique screw hole 52. The second bone screw 5 is used for being fixedly arranged at the position above the lesser trochanter 104 below the first bone screw 4. The frame 2 is corrected and is provided with six contact pin holes 22 around perforation 21 to two sides at frame 2 are corrected and are provided with screw hole 23 respectively, every screw hole 23 corresponds a contact pin hole 22 with one side, screw hole 23 extends to corresponding contact pin hole 22, correction needle 3 set up in contact pin hole 22, the internal diameter of contact pin hole 22 is greater than the external diameter of correction needle 3, each correction needle 3 slope upwards sets up, adjusts the terminal extension line of needle point and all lies in femoral neck 103 region after the angle, the rear end portion of correction needle 3 is then fixed through the bolt lock of wearing to establish in screw hole 23. As shown in fig. 6, the end of the leveling pin 3 is provided with a cylindrical connector 31, the cylindrical connector 31 is disposed in the pin hole 22, a limiting hole 32 is disposed on the sidewall of the cylindrical connector 31, and the end of the bolt is disposed in the limiting hole 32.
As shown in fig. 4, the first connecting joint device 8 includes a first Z-direction connecting rod 81, a Y-direction connecting head 83 and a locking nut 82, the first Z-direction connecting rod 81 is fixed on the upper fixing seat 11 at the inner end, the Y-direction connecting head 83 is provided with a shaft hole at one end, the shaft hole is penetrated through the outer end of the first Z-direction connecting rod 81 and is fixed by the locking nut 82, the Y-direction connecting head 83 is provided with a screw hole at the other end, and the end screw of the first bone screw 4 is arranged in the screw hole and is fixed by the locking screw.
As shown in fig. 5, the second connection joint device 8 includes a second Z-direction connecting rod 91, a Y-direction connecting sleeve 92, a third screw 93, a third motor 94, a third gearbox 95 and a screw sleeve 96, the inner end of the second Z-direction connecting rod 91 is fixedly disposed on the lower fixing base 12, the upper end of the Y-direction connecting sleeve 92 is provided with a shaft hole, the shaft hole is disposed at the outer end of the second Z-direction connecting rod 91 in a penetrating manner and fixed by a lock nut, the screw sleeve 96 is disposed in the Y-direction connecting sleeve 92, one end of the screw sleeve 96 is provided with an internal thread to be in transmission connection with the third screw 93, and the end of the third screw 93 is in transmission connection with the third motor 94 through the third gearbox 95. The other end of the screw rod sleeve 96 is provided with a connecting screw rod which is connected with a connector 97, and the end screw rod of the third bone nail is arranged on the connector and is fixed by a locking screw.
As shown in fig. 7, when in use, the first bone nail 4 is fixedly arranged below the greater trochanter 101 of the femur, the third bone nail 6 is fixedly arranged in the middle of the femoral body 102, the second bone nail 5 is fixedly arranged above the lesser trochanter 104 below the first bone nail 4, the position can be automatically and accurately adjusted by the motor, the extension line of the tail end of the needle point of the correction needle 3 is positioned in the region of the femoral neck 103, after the positioning is completed, the first bone nail, the second bone nail and the third bone nail are removed, and the action force is applied to the fracture part of the femoral neck by the action of the correction needle, so that the fracture risk is healed.
Claims (7)
1. A treatment device for bone fracture of hip and leg in orthopedics department is characterized by comprising a fixing rod (1), a correction frame (2), a correction needle (3), a first bone nail (4), a second bone nail (5) and a third bone nail (6); the fixing rod (1) is arranged in the Y direction, the fixing rod (1) is hollow, an upper fixing seat (11) and a lower fixing seat (12) are respectively arranged at two ends of the fixing rod, the first bone nail (4) and the third bone nail (6) are arranged in the X direction, the first bone nail (4) is fixedly arranged on the upper fixing seat (11) through a first connecting joint device (8), the third bone nail (6) is fixedly arranged on the lower fixing seat (12) through a second connecting joint device (9), the first bone nail (4) is fixedly arranged below a greater trochanter (101) of a femur (10), and the third bone nail (6) is fixedly arranged in the middle position of a femoral shaft (102);
the correcting frame (2) is arranged in the Z direction through a position adjusting device (7), and the position adjusting device (7) comprises a Y-direction position adjusting device and a Z-direction position adjusting device; the Y-direction position adjusting device comprises a sliding groove (13), sliding seats (71), a first screw rod (72), a first motor (74), a first gearbox (73) and sliding sleeves (75), wherein the sliding groove (13) is oppositely arranged on two sides of the fixed rod (1), the sliding seats (71) are arranged in the fixed rod (1), the first screw rod (72) is arranged above the sliding seats (71), the first screw rod (72) is in transmission connection with threads arranged in the sliding seats (71), the top of the screw rod is in transmission connection with the first motor (74) through the first gearbox (73), the first gearbox (73) is fixedly arranged on the upper fixed seat (11), and the two sliding sleeves (75) are sleeved on the outer side of the fixed rod (1); the Z-direction position adjusting device comprises two sliding shafts (76), a connecting rod (77), a second screw rod (78), a second motor (79) and a second gearbox (80), one ends of the two sliding shafts (76) respectively penetrate through the two sliding sleeves (75) and the sliding groove (13) to be fixedly connected with the sliding seat (71), the other ends of the two sliding shafts (76) are connected through the connecting rod (77), the upper part and the lower part of the correcting frame (2) are respectively arranged on the two sliding shafts (76) through shaft sleeves, a threaded sleeve is further arranged on the correcting frame (2), the second screw rod (78) penetrates through the threaded sleeve, and the end part of the second screw rod (78) is in transmission connection with the second motor (79) through the second gearbox (80);
the middle part of the correcting frame (2) is provided with an upward inclined through hole (21), the rear end part of the second bone nail (5) is arranged in the through hole (21), and the second bone nail (5) is used for being fixedly arranged above the small rotor (104) below the first bone nail (4); correct frame (2) around being provided with six needle inserting holes (22) around perforation (21) to two sides at correction frame (2) are provided with screw hole (23) respectively, and every screw hole (23) correspond one needle inserting hole (22) with one side, and screw hole (23) extend to corresponding needle inserting hole (22), correction needle (3) set up in needle inserting hole (22), the internal diameter of needle inserting hole (22) is greater than the external diameter of correcting needle (3), and each slope of correcting needle (3) upwards sets up, adjusts the terminal extension line of needle point after the angle and all lies in femoral neck (103) region, and the rear end portion of correcting needle (3) is then fixed through the bolt lock of wearing to establish in screw hole (23).
2. The device for treating bone fracture of hip and leg in orthopedics department according to claim 1, characterized in that the rear end of the through hole (21) is provided with a screw head (51), the screw head (51) is fixed on the rear side surface of the correcting frame (2), an oblique threaded hole (52) which is obliquely arranged with the through hole (21) is arranged in the screw head (51), and a screw rod at the rear end of the second bone nail (5) is arranged in the through hole (21) and the oblique threaded hole (52) in a penetrating way.
3. A treatment device for orthopaedic hip-leg fracture according to claim 1, wherein said perforation (21) is arranged at an angle of 40 ~ 50 ° with respect to the orthosis (2).
4. The treatment device for orthopedics hip bone fracture of leg according to claim 1, characterized in that the end of the correction needle (3) is provided with a cylindrical connector (31), the cylindrical connector (31) is arranged in the pin hole (22), the side wall of the cylindrical connector (31) is provided with a limit hole (32), and the tail end of the bolt is arranged in the limit hole (32).
5. The treatment device for orthopedics buttock leg bone fracture according to claim 1, characterized in that, first connection joint device (8) includes first Z to connecting rod (81), Y to connector (83) and lock nut (82), the inboard end of first Z to connecting rod (81) fixed setting on last fixing base (11), Y is provided with the shaft hole to the one end of connector (83), the shaft hole is worn to establish at the outside end of first Z to connecting rod (81) and is fixed by lock nut (82), Y is provided with the screw to the other end of connector (83), the tip screw rod of first bone nail (4) sets up in the screw hole and sets up lock screw and fix.
6. The treatment device for orthopedics hip-leg bone fracture according to claim 1, characterized in that the second connection joint device (8) comprises a second Z-direction connection rod (91), a Y-direction connection sleeve (92), a third screw (93), a third motor (94), a third gear box (95) and a screw sleeve (96), the inner end of the second Z-direction connecting rod (91) is fixedly arranged on the lower fixed seat (12), the upper end of the Y-direction connecting sleeve (92) is provided with a shaft hole which is arranged at the outer end of the second Z-direction connecting rod (91) in a penetrating way and is fixed by a locking nut, the screw rod sleeve (96) is arranged in the Y-direction connecting sleeve (92), one end of the screw rod sleeve (96) is provided with an internal thread which is in transmission connection with the third screw rod (93), and the end part of the third screw rod (93) is in transmission connection with the third motor (94) through a third gearbox (95); the other end of the screw rod sleeve (96) is provided with a connecting screw rod, the connecting screw rod is connected with a connector (97), and the end screw rod of the third bone nail is arranged on the connector and is fixed by a locking screw.
7. The treatment device for bone fracture of hip and leg in orthopedics department according to claim 1, characterized in that the fixing rod (1) is provided with scales on both sides of the sliding groove (13), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527598.8A CN108670392B (en) | 2018-05-29 | 2018-05-29 | Treatment device for bone fracture of hip and leg of orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527598.8A CN108670392B (en) | 2018-05-29 | 2018-05-29 | Treatment device for bone fracture of hip and leg of orthopedics department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108670392A CN108670392A (en) | 2018-10-19 |
| CN108670392B true CN108670392B (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810527598.8A Expired - Fee Related CN108670392B (en) | 2018-05-29 | 2018-05-29 | Treatment device for bone fracture of hip and leg of orthopedics department |
Country Status (1)
| Country | Link |
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| CN (1) | CN108670392B (en) |
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| CN2163618Y (en) * | 1993-08-17 | 1994-05-04 | 苏州市第二人民医院 | External fixation support for intertrochanter fracture of femur |
| CN2324977Y (en) * | 1998-01-22 | 1999-06-23 | 张树桧 | External fixation implement for distraction of ilium with femur |
| CN2380190Y (en) * | 1999-07-08 | 2000-05-31 | 汤福刚 | Apparatus for resetting fracture of tibial plateau and moving knee joint |
| US6746448B2 (en) * | 2002-05-30 | 2004-06-08 | Millennium Medical Technologies, Inc. | Outrigger for bone fixator |
| US8303588B2 (en) * | 2005-03-03 | 2012-11-06 | Kozo Nakamura | External skeletal fixation device |
| CN2794450Y (en) * | 2005-04-20 | 2006-07-12 | 侯树勋 | External fixer for coxae |
| US20070123856A1 (en) * | 2005-10-27 | 2007-05-31 | Deffenbaugh Daren L | Trauma joint, external fixator and associated method |
| ES2318671T3 (en) * | 2006-03-31 | 2009-05-01 | Stryker Trauma Sa | ELEMENT OF EXTERNAL FIXER THAT HAS AN EROSIONATED RUGOUS SURFACE. |
| EP2040615A4 (en) * | 2006-07-12 | 2012-05-02 | Intramed Systems Ltd | Intramedullar distraction device with user actuated distraction |
| CN201642279U (en) * | 2010-01-31 | 2010-11-24 | 卫小春 | Pressure feedback multimode jiggling external fixing frame |
| CN202060860U (en) * | 2011-04-20 | 2011-12-07 | 马台 | Navigator of intramedullary nail at near end of thighbone |
| TR201105792A2 (en) * | 2011-06-14 | 2012-08-22 | Tst Rakor Ve Tibbi̇ Aletler Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Modular adjustable multifunctional external fixator (mamef). |
| CN102283658B (en) * | 2011-07-19 | 2012-11-28 | 杭州三坛医疗科技有限公司 | Pulse fracture healing overall process stress measuring device |
| CN102783999B (en) * | 2012-07-16 | 2015-08-26 | 顾军 | Orthopaedics inching three-dimensional external fixed support system |
| CN104970871B (en) * | 2015-06-10 | 2017-08-11 | 哈尔滨精科奇科技有限责任公司 | Unilateral double-arm is adjustable two-way double dynamical Limb lengthening locking and pressurizing external fixator |
| CN205597995U (en) * | 2015-12-14 | 2016-09-28 | 重庆医科大学附属永川医院 | Be used for damaged bone handling device of big section bone of osteoporosis patient's thighbone |
| CN106725780A (en) * | 2017-03-26 | 2017-05-31 | 天津市新中医疗器械有限公司 | A kind of orthopaedics ring rod combines exterior fixing rack |
| CN107184261B (en) * | 2017-07-04 | 2024-03-26 | 广东工业大学 | Femur resetting and correcting device |
| CN107518935A (en) * | 2017-09-02 | 2017-12-29 | 潍坊君泰安德医疗科技有限公司 | Femoral head rebuilds exterior fixing rack device |
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2018
- 2018-05-29 CN CN201810527598.8A patent/CN108670392B/en not_active Expired - Fee Related
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| CN108670392A (en) | 2018-10-19 |
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| CB03 | Change of inventor or designer information |
Inventor after: Hu Peng Inventor after: Feng Bo Inventor after: Feng Tao Inventor after: Chen Jinfeng Inventor before: Chen Jinfeng |
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