CN201040014Y - Double-nail locking nail-plate device for treating femur neck fracture - Google Patents
Double-nail locking nail-plate device for treating femur neck fracture Download PDFInfo
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- CN201040014Y CN201040014Y CNU2007200069290U CN200720006929U CN201040014Y CN 201040014 Y CN201040014 Y CN 201040014Y CN U2007200069290 U CNU2007200069290 U CN U2007200069290U CN 200720006929 U CN200720006929 U CN 200720006929U CN 201040014 Y CN201040014 Y CN 201040014Y
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Abstract
The utility model discloses a double-bolt locking peg board device, which is used for caring hip fracture, and comprises a fixing plate, a main bolt and an assistant bolt. The fixing plate takes a steel plate which is matched with the external physiological curvature of human tight bone near end. The front end of the steel plate is provided with a first bolt hole which is assorted with the main bolt, while the tail end of the steel plate is provided with a second bolt hole which is assorted with the assistant bolt. The center line of the first bolt hole forms a certain inclined angle with the plate body of the steel plate. The main bolt takes a hollow tensile locking bolt, and the front end of the main bolt is locked with the end of the tight bone, while the back end of the main bolt is locked on the steel plate. The assistant bolt takes a locking bolt and is locked between the steel plate and the tight bone. The utility model is consistent to the biological mechanics theory and is used for caring various hip fractures. The utility model has the advantages of small injure, firm fixing and easy operation as well as good for healing the hip fracture,.
Description
Technical field
This utility model relates to a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck, is the two nail locking of a kind of self-locking in conjunction with nail, plate characteristics and screw locking mechanism of design pegboard systems, is used for the treatment of all types of fracture of femoral neck.
Background technology
The fracture of femoral neck non-operative treatment makes patient's bed rest time long, can not early ambulant, nonunion and ischemic necrosis of femoral head incidence rate height, particularly for senile osteoporosis fracture of femoral neck patient, severe complications such as easier generation decubital ulcer, hypostatic pneumonia, urinary tract infection, even cause death.Along with the raising of people to quality of life requirement and medical skill, tend to operative treatment in recent years, purpose is to promote union of fracture, reduces bed rest time, reduces complication, early functional exercise reduces mortality rate.
Because the particularity of fracture of femoral neck on Pathophysiology and biomechanics makes its treatment become a difficult problem of orthopaedics and tranmstology always.Nonunion after the fracture of femoral neck, internal fixation is loosening, and Avascular Necrosis Of Femur Head is still ubiquitous complication, does not make a breakthrough so far in the treatment.Defective in the internal fixation apparatus design is one of chief reason.Bone trabecula comprises primary and secondary pressure and tension force in the neck of femur, constitutes the most rational truss structure on the mechanics.Biomechanics Research is thought, ideal internal fixation apparatus should make full use of this structure, reaches to reduce the influence to union of fracture of harmful stress, particularly shearing force after the fracture of femoral neck, torsion.Original main treatment means: the saturating spininess down of bone traction and electricity, three wing nail are fixed and all are difficult to satisfy above requirement, can not reach satisfactory effect, and simple bone traction is difficult to keep reduction with good, is not enough to shearing resistance, and the fracture end shakiness, primary callus is difficult to form; The operation of spininess internal fixation operation acquires a certain degree of difficulty, easily steinman pin beaten outside head, neck, and the steinman pin smooth surface, easily becoming flexible, withdraw from after squeezing into, resistance to compression, tension stress intensity difference are not good selection; Three wing nail also easily becomes flexible, withdraws from, and also has volume excessive, and blood fortune is destroyed serious problem in the marrow, and is now superseded substantially.Though many nail system tool stress disperse and anti-rotational advantage, can not play pressurization to fracture end, lack sighting system simultaneously, be difficult for promoting.Pressurization nail fails fundamentally to solve anti-shortcoming of revolving with complicated operation.Near end of thighbone self-locking nail system, it is big also to exist operation wound as γ nail and PFN etc., and the problem of complicated operation is not suitable for elderly patient.Though old fracture of femoral neck is carried out artificial joint replacement and is obtained better clinical effectiveness, exists the surgery cost height, damages big defective.Studies show that advanced age, fracture patient was treated by appropriate, the union of fracture rate can reach more than 90%.Therefore, seek simple in a kind of Pathophysiology that meets union of fracture and biomechanics characteristic, the operation, to the little and fixing certain internal fixation apparatus of patient's wound, be the primary goal of treatment fracture of femoral neck.
The utility model content
The purpose of this utility model is to overcome the deficiency of existing internal fixation system technology, provide a kind of reasonable in design, meet biomechanical principle, wound little, fixed, be beneficial to union of fracture, operate easy pegboard systems, reduced the possibility of fracture delayed union, disunion to a certain extent.
The technical scheme that its technical problem that solves this utility model adopts is: a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck comprise:
One fixing head, for having the steel plate that is fit to human femur under loading near-end outside physiology curvature, the head end of steel plate is provided with at least two the first nail hole that is used to cooperate main nail, and the tail end of steel plate is provided with the second nail hole that is used to cooperate auxilliary nail of at least one; The centerline hole in the described first nail hole and the plate body of steel plate constitute certain included angle;
At least two main nail, main nail is hollow circular cylinder, and front end is provided with for fixing to the pressurization of the spongy bone in femoral head screw thread, and the rear end is provided with the locking screw thread that can realize locking with described steel plate;
The auxilliary nail of at least one, auxilliary nail is lock screw, interlocking is between described steel plate and femur.
Described fixing head is the steel plate that titanium alloy material is made.
The internal diameter of described main nail is 2.6～2.8mm, and external diameter is 8～15mm, and length is 60～130mm.
The further preferred internal diameter of described main nail is 2.7mm, and external diameter is 10～13mm, and length is 70～120mm.
The diameter of described auxilliary nail is 3.2～3.8mm, and length is 15～55mm.
The further preferred diameter of described auxilliary nail is 3.5mm, and length is 20～48mm.
The first nail hole of the head end of described steel plate is two or three, and corresponding have in the first nail hole that the main nail of two or three is engaged in steel plate.
The second nail Kong Weiyi of the tail end of described steel plate or two, corresponding have one or two auxilliary nails to be engaged in the second nail hole of steel plate.
The angle of the centerline hole in the described first nail hole and the plate body of steel plate is 120 °～140 °.
The further preferred angle of the centerline hole in the described first nail hole and the plate body of steel plate is 130 °.
The head end of described steel plate also is provided with some sewing hole or Kirschner wire locating holes that are used for sutured femoral greater trochanter microxea or soft tissue.
A kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck of the present utility model, be applicable to the fracture of femoral neck patient, this device is made up of steel plate, main nail and auxilliary nail, and locking device is all arranged between the three, locking forms an integral body mutually, reaches the purpose of neck of femur firm fixation.Wherein, main nail is hollow pulling force lock screw, and its rear end can lock with steel plate, forms nail-plate one integral body with steel plate, and auxilliary nail is lock screw, to strengthen steel plate and the fixed fixing of main nail.
A kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck of the present utility model, combine the characteristics of many nail systems and pegboard systems, main nail is respectively by pressure, tension force bone trabecula in the neck of femur, its rear end respectively by thread lock in the fixing hole of steel plate, auxilliary simultaneously nail is fixed under the femoral bone tuberosity, be locked in equally in the fixing hole of steel plate, play the fixation of strengthening main nail with steel plate.Main nail, auxilliary nail have structurally constituted an overall structure with the steel plate three, and from the mechanics angle, this device does not rely on sclerotin and constituted a complete structure, has the intrinsic stability of self.Biomechanics angle from fracture of femoral neck, this structural simulation bone trabecular truss structure in the neck of femur, meet mutually with the bone trabecular truss structure of neck of femur after implanting, can play the effect of the stress of in fracture healing process, bearing original various process necks of femur.This device can be distributed to the load by main nail and each auxilliary nail in the whole device through inherent latch-up structure equably; brought into play the synergism of each screw and steel plate; not only disperseed the harmful stress in the neck of femur; also protect internal fixation system itself not to be subjected to the influence of stress concentration, reduced the internal fixation fracture.Self-locking action also reduces the dependence of internal fixation to sclerotin to greatest extent, is more suitable in the senile osteoporosis patient, avoids becoming flexible and move back complication such as nail.In addition, main nail can position by guide pin for hollow locking lag screw, is screwed into main nail then, and operation is simple and feasible, greatly reduces the complexity of operation and the generation of the external nail of neck.
This utility model is the two nail locking nail panel assemblies according to the design of neck of femur physiological structure characteristics, it has following characteristics: the design of the smooth appropriateness of anatomical form, do not want accurate pre-bending in the art, fixing more stablize firm, main nail, auxilliary nail form integral body with steel plate, are equivalent to an inner fixed support, and main nail is complied with the physiological collodiaphyseal angle of neck of femur, top rake characteristics and designed, improve the resistance to plucking of inside-fixture and exerted oneself, be particularly suitable for sufferers of osteoporosis face.Volume is relatively little, simple to operate, need not to peel off periosteum, damage little, reduced the destruction of fracture end soft tissue, reduced the femur head necrosis probability, the steel plate near-end has the design of stitching, and the avulsion of femoral greater trochanter stop place is shifted, and the reduction of ossiculum folded block is fixed, the reparation of soft tissue provides good fixed position.Because fixed stability, patient's postoperative can be gone functional exercise in early days, thereby has reduced that hip joint is stiff, the generation of amyotrophy etc.
This utility model has changed between DHS and skeleton based on the conventional fixed pattern of frictional force, and it is minimum that pressure is reduced to, and has protected the blood fortune of periosteum and bone; Latch-up structure between steel plate and screw makes steel plate not need strict pre-bending in use; Comply with the design of the physiological collodiaphyseal angle of neck of femur, top rake characteristics, improved the built-in accuracy rate of internal fixation, the thing resistance to plucking is exerted oneself, and is particularly suitable for sufferers of osteoporosis face; Can to prevent that also screw from withdrawing from internal fixation loosening in locking between nail-plate; The steel plate head end has a plurality of pin holes, helps the reparation of little sclerite and soft tissue.
During use, select case according to this instrument indication.The patient gets dorsal position, suffers from the shoulder pad height.Routine disinfection drape after fluoroscopic machine shows the satisfaction that resets, make femoral greater trochanter outside otch, about long 6-8cm, appear greater trochanter and under the lateral side of femur face, place steel plate, about 1.5cm place under greater trochanter, main nail hole through the steel plate upper end pierces the 1st piece of diameter 2.5mm guide pin to the neck of femur y direction, confirms the guide pin location-appropriate through perspective, and reaches 1cm place, femoral head articular surface below deeply, enter the length of skeleton according to guide pin, the degree of depth of decision boring and the length of selecting the locking lag screw for use are inserted in guide pin boring with hollow drill bit, and reuse macaroni yarn tapered sleeve is gone into the guide pin tapping, to lock lag screw is inserted in guide pin and is screwed into femoral head, neck removes guide pin; The same manner is screwed into second piece of main nail.Be screwed into 1～2 piece of auxilliary nail according to a conventional method.
The beneficial effects of the utility model are: owing to adopted fixing head, main nail, auxilliary nail constitutes two nail locking nail panel assemblies of treatment fracture of femoral neck, and fixing head is to have the steel plate that is fit to human femur under loading near-end outside physiology curvature, the head end of steel plate is provided with at least more than one the first nail hole that is used to cooperate main nail, the tail end of steel plate is provided with at least more than one the second nail hole that is used to cooperate auxilliary nail, the centerline hole in the first nail hole and the plate body of steel plate constitute certain included angle, main nail is hollow circular cylinder, front end is provided with for fixing to the pressurization of the spongy bone in femoral head screw thread, the rear end is provided with the locking screw thread that can realize locking with described steel plate, auxilliary nail is lock screw, interlocking is between described steel plate and femur, and this device treatment fracture of femoral neck is simple to operate, wound is little, meet biomechanical principle; This device is as a kind of inner fixed support; not only provide reduction with good, enough fixing fully for fracture of femoral neck; and between steel plate and skeleton, there is a fixed gap; protected the blood fortune of periosteum and bone to greatest extent; can reduce soft tissue peels off; farthest keep capital blood confession, lowered the probability of aseptic necrosis of femoral head.By its ideal screw hole site with become the angle Fixed Design, make in osteoporosis and comminuted fracture, screw has preferably anchor makes a concerted effort and stretching resistance, and capital support is fixedly strengthened.This device is taken exercise for as early as possible passive and strength initiatively and range of activity and has been created necessary condition, is old people's fracture of femoral neck, especially with one of first-selected Therapeutic Method of sufferers of osteoporosis face.
Description of drawings
Below in conjunction with drawings and Examples this utility model is described in further detail; But a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck of the present utility model are not limited to embodiment.
Fig. 1 is a user mode organigram of the present utility model;
Fig. 2 is the organigram of this utility model master nail;
Fig. 3 is the organigram of the auxilliary nail of this utility model;
Fig. 4 is the organigram of this utility model steel plate (normotopia);
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the side direction user mode organigram of this utility model steel plate.
Among the figure: 1 fixing head (steel plate); 10 human femur under loading; The head end of 11 fixing heads; The first nail hole of 12 fixing heads; The tail end of 13 fixing heads; The second nail hole of 14 fixing heads; 15 sewing holes or Kirschner wire locating hole; 2 main nails; The front end screw thread of 21 main nails; The rear end screw thread of 22 main nails; 3 auxilliary nails.
The specific embodiment
Shown in accompanying drawing, a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck of this utility model comprise:
One fixing head 1, for having the steel plate of the human femur under loading of being fit to 10 near-ends outside physiology curvature, the head end 11 of steel plate 1 is provided with two first nail holes 12 that are used to cooperate main nail, and the tail end 13 of steel plate is provided with two second nail holes 14 that are used to cooperate auxilliary nail; The centerline hole in the described first nail hole 12 and the plate body of steel plate 1 constitute certain included angle;
Two main nails 2, main nail is hollow circular cylinder, and front end is provided with for fixing to the pressurization of the spongy bone in femoral head screw thread 21, and the rear end is provided with the locking screw thread 22 that can realize locking with described steel plate;
Two auxilliary nails 3, auxilliary nail 3 is a lock screw, interlocking is between described steel plate 1 and femur 10.
Wherein, the steel plate that is made for titanium alloy material of fixing head 1; The internal diameter of main nail 2 is 2.7mm, and external diameter is 10～13mm, and length is 70～120mm; The diameter of auxilliary nail 3 is 3.5mm, and length is 20～48mm; Two main nails 2 are engaged in the first nail hole 12 of steel plate; Two auxilliary nails are engaged in the second nail hole 14 of steel plate; The angle of the plate body of the first nail centerline hole in hole 12 and steel plate is for being 130 °; Also be provided with some sewing hole or Kirschner wire locating holes 15 that are used for sutured femoral greater trochanter microxea or soft tissue at the head end 11 of steel plate.
A kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck of the present utility model, be applicable to the fracture of femoral neck patient, this device is made up of steel plate 1, main nail 2 and auxilliary nail 3, and locking device is all arranged between the three, locking forms an integral body mutually, reaches the purpose of neck of femur firm fixation.Wherein, main nail 2 is a hollow pulling force lock screw, and its rear end can lock with steel plate 1, forms nail-plate one integral body with steel plate 1, and auxilliary nail 3 is a lock screw, to strengthen steel plate 1 and main nail 2 fixed fixings.
A kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck of the present utility model, combine the characteristics of many nail systems and pegboard systems, main nail 2 is respectively by pressure, tension force bone trabecula in the neck of femur, its rear end is locked in the fixing hole 12 of steel plate by screw thread 22 respectively, auxilliary simultaneously nail 3 is fixed under the femoral bone tuberosity, be locked in equally in the fixing hole 14 of steel plate, play the fixation of strengthening main nail 2 with steel plate 1.Main nail 2, auxilliary nail 3 have structurally constituted an overall structure with steel plate 1 three, and from the mechanics angle, this device does not rely on sclerotin and constituted a complete structure, has the intrinsic stability of self.Biomechanics angle from fracture of femoral neck, this structural simulation bone trabecular truss structure in the neck of femur, meet mutually with the bone trabecular truss structure of neck of femur after implanting, can play the effect of the stress of in fracture healing process, bearing original various process necks of femur.This device can be distributed to the load by main nail 2 and each auxilliary nail 3 in the whole device through inherent latch-up structure equably; brought into play the synergism of each screw and steel plate; not only disperseed the harmful stress in the neck of femur; also protect internal fixation system itself not to be subjected to the influence of stress concentration, reduced the internal fixation fracture.Self-locking action also reduces the dependence of internal fixation to sclerotin to greatest extent, is more suitable in the senile osteoporosis patient, avoids becoming flexible and move back complication such as nail.In addition, main nail 2 can position by guide pin for hollow locking lag screw, is screwed into main nail 2 then, and operation is simple and feasible, greatly reduces the complexity of operation and the generation of the external nail of neck.
This utility model is the two nail locking nail panel assemblies according to the design of neck of femur physiological structure characteristics, it has following characteristics: the design of the smooth appropriateness of anatomical form, do not want accurate pre-bending in the art, fixing more stablize firm, it is whole that main nail 2, auxilliary nail 3 and steel plate 1 form, and is equivalent to an inner fixed support, and main nail 2 is complied with the physiological collodiaphyseal angle of neck of femur, top rake characteristics and designed, improve the resistance to plucking of inside-fixture and exerted oneself, be particularly suitable for sufferers of osteoporosis face.Volume is relatively little, simple to operate, need not to peel off periosteum, damage little, reduced the destruction of fracture end soft tissue, reduced the femur head necrosis probability, steel plate 1 near-end has the design of stitching, and the avulsion of femoral greater trochanter stop place is shifted, and the reduction of ossiculum folded block is fixed, the reparation of soft tissue provides good fixed position.Because fixed stability, patient's postoperative can be gone functional exercise in early days, thereby has reduced that hip joint is stiff, the generation of amyotrophy etc.
This utility model has changed between DHS and skeleton based on the conventional fixed pattern of frictional force, and it is minimum that pressure is reduced to, and has protected the blood fortune of periosteum and bone; The latch-up structure that steel plate 1 and screw are 2,3 makes steel plate 1 not need strict pre-bending in use; Comply with the design of the physiological collodiaphyseal angle of neck of femur, top rake characteristics, improved the built-in accuracy rate of internal fixation, the thing resistance to plucking is exerted oneself, and is particularly suitable for sufferers of osteoporosis face; Can to prevent that also screw from withdrawing from internal fixation loosening in locking between nail-plate; The steel plate head end has a plurality of pin holes 15, helps the reparation of little sclerite and soft tissue.
During use, select case according to this instrument indication.The patient gets dorsal position, suffers from the shoulder pad height.Routine disinfection drape after fluoroscopic machine shows the satisfaction that resets, make femoral greater trochanter outside otch, about long 6～8cm, appear greater trochanter and under the lateral side of femur face, place steel plate 1, about 1.5cm place under greater trochanter, main nail hole 12 through steel plate 1 upper end pierces the 1st piece of diameter 2.5mm guide pin to the neck of femur y direction, confirms the guide pin location-appropriate through perspective, and reaches 1cm place, femoral head articular surface below deeply, enter the length of skeleton according to guide pin, the degree of depth of decision boring and the length of selecting the locking lag screw for use are inserted in guide pin boring with hollow drill bit, and reuse macaroni yarn tapered sleeve is gone into the guide pin tapping, to lock lag screw 2 is inserted in guide pin and is screwed into femoral head, neck removes guide pin; The same manner is screwed into second piece of main nail 2.Be screwed into 1～2 piece of auxilliary nail 3 according to a conventional method.
This device is as a kind of inner fixed support; not only provide reduction with good, enough fixing fully for fracture of femoral neck; and between steel plate 1 and skeleton, there is a fixed gap; protected the blood fortune of periosteum and bone to greatest extent; can reduce soft tissue peels off; farthest keep capital blood confession, lowered the probability of aseptic necrosis of femoral head.By its ideal screw hole site with become the angle Fixed Design, make in osteoporosis and comminuted fracture, screw has preferably anchor makes a concerted effort and stretching resistance, and capital support is fixedly strengthened.This device is taken exercise for as early as possible passive and strength initiatively and range of activity and has been created necessary condition, is old people's fracture of femoral neck, especially with one of first-selected Therapeutic Method of sufferers of osteoporosis face.
The foregoing description only is used for further specifying a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck of the present utility model; but this utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection domain of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. two nail locking nail panel assemblies for the treatment of fracture of femoral neck, it is characterized in that: comprising: a fixing head, for having the steel plate that is fit to human femur under loading near-end outside physiology curvature, the head end of steel plate is provided with at least two the first nail hole that is used to cooperate main nail, and the tail end of steel plate is provided with the second nail hole that is used to cooperate auxilliary nail of at least one; The centerline hole in the described first nail hole and the plate body of steel plate constitute certain included angle;
At least two main nail, main nail is hollow circular cylinder, and front end is provided with for fixing to the pressurization of the spongy bone in femoral head screw thread, and the rear end is provided with the locking screw thread that can realize locking with described steel plate;
The auxilliary nail of at least one, auxilliary nail is lock screw, interlocking is between described steel plate and femur.
2. a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck according to claim 1, it is characterized in that: described fixing head is the steel plate that titanium alloy material is made.
3. a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck according to claim 1, it is characterized in that: the internal diameter of described main nail is 2.6～2.8mm, and external diameter is 8～15mm, and length is 60～130mm.
4. a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck according to claim 3, it is characterized in that: the internal diameter of described main nail is 2.7mm, and external diameter is 10～13mm, and length is 70～120mm.
5. a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck according to claim 1, it is characterized in that: the diameter of described auxilliary nail is 3.2～3.8mm, length is 15～55mm.
6. a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck according to claim 5, it is characterized in that: the diameter of described auxilliary nail is 3.5mm, length is 20～48mm.
7. a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck according to claim 1, it is characterized in that: the first nail hole of the head end of described steel plate is two or three, corresponding have two or three main nails to be engaged in the first nail hole of steel plate; The second nail Kong Weiyi of the tail end of described steel plate or two, corresponding have one or two auxilliary nails to be engaged in the second nail hole of steel plate.
8. a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck according to claim 1, it is characterized in that: the angle of the centerline hole in the described first nail hole and the plate body of steel plate is 120 °～140 °.
9. a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck according to claim 8, it is characterized in that: the angle of the centerline hole in the described first nail hole and the plate body of steel plate is 130 °.
10. a kind of two nail locking nail panel assemblies for the treatment of fracture of femoral neck according to claim 1 is characterized in that: the head end of described steel plate also is provided with some sewing hole or Kirschner wire locating holes that are used for sutured femoral greater trochanter microxea or soft tissue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200069290U CN201040014Y (en) | 2007-04-26 | 2007-04-26 | Double-nail locking nail-plate device for treating femur neck fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200069290U CN201040014Y (en) | 2007-04-26 | 2007-04-26 | Double-nail locking nail-plate device for treating femur neck fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201040014Y true CN201040014Y (en) | 2008-03-26 |
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ID=39251716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200069290U Expired - Fee Related CN201040014Y (en) | 2007-04-26 | 2007-04-26 | Double-nail locking nail-plate device for treating femur neck fracture |
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| CN (1) | CN201040014Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368141A (en) * | 2019-08-05 | 2019-10-25 | 北京爱康宜诚医疗器材有限公司 | Femoral implant |
| CN115645018A (en) * | 2022-10-09 | 2023-01-31 | 中国人民解放军空军军医大学 | Intramedullary lengthening device for neck of femur |
-
2007
- 2007-04-26 CN CNU2007200069290U patent/CN201040014Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368141A (en) * | 2019-08-05 | 2019-10-25 | 北京爱康宜诚医疗器材有限公司 | Femoral implant |
| CN115645018A (en) * | 2022-10-09 | 2023-01-31 | 中国人民解放军空军军医大学 | Intramedullary lengthening device for neck of femur |
| CN115645018B (en) * | 2022-10-09 | 2024-04-16 | 中国人民解放军空军军医大学 | Femoral neck intramedullary extension device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 |