CN203425067U - Universal locking dynamic hip system - Google Patents
Universal locking dynamic hip system Download PDFInfo
- Publication number
- CN203425067U CN203425067U CN201320283136.9U CN201320283136U CN203425067U CN 203425067 U CN203425067 U CN 203425067U CN 201320283136 U CN201320283136 U CN 201320283136U CN 203425067 U CN203425067 U CN 203425067U
- Authority
- CN
- China
- Prior art keywords
- nail portion
- snap ring
- sleeve
- portion sleeve
- dynamic hip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The utility model relates to a universal locking dynamic hip system, belonging to the field of medical instruments. The universal locking dynamic hip system includes a dynamic hip pressurizing system and is characterized in that the steel plate part and the nail part sleeve of the dynamic hip pressurizing system are in a split structure and are connected by a universal locking device. Because the steel plate part and the nail part sleeve are in a split structure and are connected by the universal locking device, the steel plate part is applied to a femoral shaft at first, and then the whole dynamic hip system can be well fixed and applied to the femoral shaft by rotating the nail part sleeve to extrude a clamp ring to fix the nail part sleeve onto the steel plate, thereby the dynamic hip system provided is convenient to use and improves the operation effect.
Description
Technical field
This utility model relates to a kind of universal lock dynamic hip system, belongs to medical instruments field.
Background technology
At present conventional dynamic coxa compression system because steel plate portion is the fixed structure being set together with nail portion sleeve, while installing and using, easily causes fracture end to misplace in steel plate portion is screwed to the process consistent with the femoral shaft longitudinal axis.When being screwed to steel plate portion when consistent with the femoral shaft longitudinal axis, usually because the direction of entering to follow closely of nail portion is fixed with entry point, the nail portion sleeve of one also can affect the laminating degree of steel plate portion and femoral shaft again.
Utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of and can overcome above-mentioned defect, convenient use, can prevent fracture end dislocation, and improves the universal lock dynamic hip system of laminating degree.
Universal lock dynamic hip system provided by the utility model, comprises dynamic coxa compression system, it is characterized in that, the steel plate portion of described dynamic coxa compression system and nail portion sleeve are split-type structural, by universal locking device, connect.
Universal locking device comprises nail portion sleeve, and there is circular hole the junction of steel plate portion and nail portion sleeve, and circular hole is embedded with snap ring, and nail portion sleeve inserts snap ring.
Snap ring embeds in circular hole, and a side has the plane of disruption, in steel plate portion and the corresponding position of the snap ring plane of disruption, is provided with embedding lock.When embedding lock prevents from tightening nail portion sleeve, snap ring follows sleeve to rotate, and is a smaller projection, is unlikely to affect very much the rotation amplitude of snap ring.
Nail portion sleeve and snap ring are threaded connection, and nail portion sleeve is pyramidal structure.
The cross section of nail portion sleeve is circular concentric, and snap ring matches with the outside of nail portion sleeve, and the nail portion matching with nail portion sleeve is cylindrical, and nail portion inserts nail portion sleeve.
The contact surface of snap ring and circular hole is spherical matsurface.After snap ring and circular hole close contact, guarantee enough frictional force.
The end of nail portion sleeve is provided with two or more grooves.The groove arranging can facilitate tightening of nail portion sleeve with supporting spiral shell cutter.
When nail portion sleeve is not closely screwed into snap ring, snap ring can be movable in circular hole, and nail portion sleeve and snap ring are that circle cooperatively interacts, and nail portion sleeve can be rotated in a conical scope.Can be easily when the nail portion sleeve of taper is screwed into snap ring the snap ring that has the plane of disruption is squeezed and opened, snap ring is squeezed can be fixed in circular hole after opening closely, stops action.
The beneficial effect that this utility model has is, nail portion sleeve and steel plate portion adopt split-type structural, and connect by universal locking device, after can be first steel plate portion and femoral shaft being posted, by rotating nail portion sleeve extruding snap ring, nail portion sleeve is fixed on to the mode on steel plate, whole dynamic hip system and femoral shaft are fixedly posted, and convenient use, improves surgical effect.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is circular hole and snap ring junction structural representation;
Fig. 3 is nail portion barrel end schematic cross-section;
In figure: 1, nail portion sleeve; 2, steel plate portion; 3, circular hole; 4, snap ring; 5, groove; 6, embed lock.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
Universal lock dynamic hip system as shown in Figure 1, comprises dynamic coxa compression system, and steel plate portion 2 and the nail portion sleeve 1 of dynamic coxa compression system are split-type structural, by universal locking device, connect.Universal locking device comprises snap ring 4, in steel plate portion 2, has circular hole 3 with the junction of nail portion sleeve 1, and circular hole 3 is embedded with snap ring 4, is provided with and embeds the plane of disruption that lock 6 is positioned at snap ring 4 in circular hole 3, and nail portion sleeve 1 inserts snap ring 4.Snap ring 4 embeds circular hole 3, one sides has the plane of disruption over against embedding lock 6.Nail portion sleeve 1 is threaded connection with snap ring 4, and nail portion sleeve 1 is pyramidal structure.The cross section of nail portion sleeve 1 is circular concentric, and snap ring 4 matches with nail portion sleeve 1 outside, and the nail portion of dynamic hip system is designed to cylindric, matches with nail portion sleeve 1 inner face.Nail portion tail end has pressurization nut.
The end of nail portion sleeve 1 is provided with two or more grooves 5.The groove 5 arranging can facilitate tightening of nail portion sleeve with supporting spiral shell cutter.
Specific works process:
During use, nail portion is conventional implants, nail portion sleeve 1 is combined complete with steel plate portion 2, wouldn't lock, lay nail portion sleeve 1, now steel plate portion 2 can freely rotate within the specific limits and swing under the effect of snap ring 4 and circular hole 3, can very easily steel plate portion 2 be posted with femoral shaft, then tighten nail portion sleeve 1, because nail portion sleeve 1 is opened for pyramidal structure can have a side snap ring 4 of the plane of disruption to squeeze in being screwed into process, snap ring 4 is squeezed can be closely fixed in circular hole 3 after opening and stop action, and then nail portion sleeve 1 is fixed together with steel plate portion 2.
In subsequent procedures process, tighten pressurization nut and conventional nailing.
Claims (7)
1. a universal lock dynamic hip system, comprises dynamic coxa compression system, it is characterized in that, the steel plate portion of described dynamic coxa compression system and nail portion sleeve are split-type structural, by universal locking device, connect.
2. universal lock dynamic hip system according to claim 1, is characterized in that, described universal locking device comprises nail portion sleeve, and there is circular hole the junction of steel plate portion and nail portion sleeve, and circular hole is embedded with snap ring, and nail portion sleeve inserts snap ring.
3. universal lock dynamic hip system according to claim 2, is characterized in that, described snap ring embeds in circular hole, and a side has the plane of disruption, in steel plate portion and the corresponding position of the snap ring plane of disruption, is provided with embedding lock.
4. universal lock dynamic hip system according to claim 2, is characterized in that, described nail portion sleeve and snap ring are threaded connection, and nail portion sleeve is pyramidal structure.
5. universal lock dynamic hip system according to claim 2, is characterized in that, the cross section of described nail portion sleeve is circular concentric, and snap ring matches with the outside of nail portion sleeve, and the nail portion matching with nail portion sleeve is cylindrical, and nail portion inserts nail portion sleeve.
6. universal lock dynamic hip system according to claim 2, is characterized in that, described snap ring and the contact surface of circular hole are spherical matsurface.
7. universal lock dynamic hip system according to claim 1 and 2, is characterized in that, the end of described nail portion sleeve is provided with two or more grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320283136.9U CN203425067U (en) | 2013-05-22 | 2013-05-22 | Universal locking dynamic hip system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320283136.9U CN203425067U (en) | 2013-05-22 | 2013-05-22 | Universal locking dynamic hip system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203425067U true CN203425067U (en) | 2014-02-12 |
Family
ID=50054132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320283136.9U Expired - Fee Related CN203425067U (en) | 2013-05-22 | 2013-05-22 | Universal locking dynamic hip system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203425067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108186166A (en) * | 2017-12-26 | 2018-06-22 | 中国人民解放军第二军医大学第二附属医院 | Rumpbone fixing bracket |
-
2013
- 2013-05-22 CN CN201320283136.9U patent/CN203425067U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108186166A (en) * | 2017-12-26 | 2018-06-22 | 中国人民解放军第二军医大学第二附属医院 | Rumpbone fixing bracket |
| CN108186166B (en) * | 2017-12-26 | 2023-12-26 | 中国人民解放军第二军医大学第二附属医院 | Sacrum fixing support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103758926B (en) | A kind of quick connector for cable | |
| CN203425067U (en) | Universal locking dynamic hip system | |
| CN105178478A (en) | Rope-structure connection adjuster | |
| CN103900897A (en) | Universal large-tonnage spherical hinge device | |
| CN204819366U (en) | Terminal -guided shell control cabinet is connected volution and is unloaded instrument soon | |
| CN204171908U (en) | A kind of cylinder clamping mechanism | |
| CN201651657U (en) | Pipe quick connector | |
| GB0804998D0 (en) | A cup component of an orthopaedic joint prosthesis | |
| CN206230298U (en) | A kind of turnover fixture | |
| CN210380194U (en) | Electric power pipeline plugging device | |
| CN105587725A (en) | Positioning connecting pin | |
| CN207246624U (en) | It is a kind of can scale installation high-pressure resin hose assembly connector | |
| CN202151377U (en) | Novel orthopedic screwdriver | |
| CN203248861U (en) | Pipeline loosening-resistant thread connector | |
| CN206047134U (en) | A kind of expansion set gear-hobbing clamp of quick despatch product | |
| CN107850244B (en) | Pipe connection engages ring with top | |
| CN201591617U (en) | Novel patella locking nail | |
| CN205111758U (en) | Pulser valvelet seat base member takes out frock | |
| CN209309554U (en) | A kind of multipurpose lost circulation plug | |
| CN207127768U (en) | Single elastic tightly fixed liner of round nut | |
| CN204954734U (en) | Low -floor bogie axle head spring pin withdrawal ring | |
| CN204339708U (en) | A kind of reinforced cone self-unloading instrument | |
| CN105232116A (en) | Glans penis holder for circumcision apparatus | |
| CN205415303U (en) | A anchor clamps for bearing inner race's grinding | |
| CN203447348U (en) | Universal bone fracture plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20150522 |
|
| EXPY | Termination of patent right or utility model |