CN2476259Y - Multifunction intertrochanteric fracture external fixation apparatus - Google Patents
Multifunction intertrochanteric fracture external fixation apparatus Download PDFInfo
- Publication number
- CN2476259Y CN2476259Y CN 01241584 CN01241584U CN2476259Y CN 2476259 Y CN2476259 Y CN 2476259Y CN 01241584 CN01241584 CN 01241584 CN 01241584 U CN01241584 U CN 01241584U CN 2476259 Y CN2476259 Y CN 2476259Y
- Authority
- CN
- China
- Prior art keywords
- intertrochanteric fracture
- functional
- fracture external
- slipmat
- perpendicular support
- 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
Abstract
The utility model relates to a multifunctional intertrochanteric fracture external fixation apparatus which comprises a combined type frame body and a needle holder positioned on the frame body, wherein the combined type frame body is formed by connecting a transverse with a vertical supporting frames. The utility model is characterized in that a stop motion mechanism which can prevent the transverse and the vertical supporting frames from rotating reversely is arranged on the combination position of the transverse and the vertical supporting frames; two through holes which form a 90 DEG angle are orderly arranged on one end of the vertical supporting frame, and at least one through hole is arranged on the other end. The utility model has the characteristics of reasonable structural design, stable and reliable frame body and reasonable distribution of the needle holder and accords with the requirement of biomechanics; the stiffness of the fixation apparatus is increased. The utility model can meet the fixation requirements of different positions via adjusting an angle adjustment frame and a length adjusting mechanism.
Description
This utility model relates to a kind of medical apparatus and instruments, especially for the external fixator of fracture.
Existing composite bone fracture external fixator, its horizontal, vertical support adopts lock(ing) bolt to be connected and fixed, because the faying face between the support is slick plane anyhow, therefore this connected mode is having external force to be easy to generate relatively rotating between support as the time spent, support body deforms, this not only influences the healing of fracture, also can cause the dislocation again of fracture, the poor reliability of this holder; The perpendicular support of holder only plays interconnect function, and the two ends of lateral frame are used to be provided with needle holder, and it is reasonable inadequately that the locus of needle holder distributes, and holder rigidity is relatively poor, is unfavorable for the healing of fracturing, and the healing of fracture is produced harmful effect.
The purpose of this utility model is to provide a kind of support body combinative stability reliable, and needle holder distributes and meets the multi-functional intertrochanteric fracture external fixator of biomechanics requirement.
The purpose of this utility model is achieved in that a kind of multi-functional intertrochanteric fracture external fixator, comprise the combination type support body that connects and composes by horizontal, vertical support, be positioned at the needle holder on the support body, its special character is that the junction of two stands is provided with and can prevents two stands stop mechanism in relative rotation, one end of perpendicular support sets gradually two through holes that are mutually 90 °, and the other end is provided with a through hole at least.
The two ends of described perpendicular support set gradually two through holes that are mutually 90 ° respectively.
On perpendicular support, be provided with the governor motion that can change its length.
Described stop mechanism is to have projection by two one sides, and the slipmat that another side is provided with the Mus tooth constitutes, and two slipmat are embedded in respectively in the connecting hole of two stands, and when two stands linked into an integrated entity, the Mus tooth of two slipmat was meshed.
Described governor motion is an adjusting rod, and the screw thread that matches with perpendicular support in its two ends is a reverse thread, and rotation regulating mechanism can make the perpendicular support at two ends outwards or inwardly stretch simultaneously.
The two ends of lateral frame are connected with the angular adjustment frame that needle holder is set.
This utility model is to be provided with stop mechanism in horizontal junction with perpendicular support and lateral frame and angular adjustment frame, to prevent relatively rotating of two stands, guarantees the reliability of combination type support body.Simple in structure, anti-moving slipmat effective, easy for installation that this stop mechanism has adopted.Be embedded in the slipmat in the two stands connecting hole respectively, its projection is used for limiting relatively rotating between slipmat and support, and intermeshing Mus tooth then is used for limiting relatively rotating between two stands on two slipmat.Set gradually two at an end of perpendicular support or two ends and be mutually 90 through hole, the connecting hole that one of them Kong Weiyu lateral frame links to each other, another hole is used for being provided with needle holder, like this, the distribution of needle holder is triangular in shape on the external fixator, formed stable fixed structure, realized that the optimal spatial that meets the biomechanics requirement distributes.Be used for Fracture of femur fixedly the time, preferably three needle holders with certain intervals can be set simultaneously in the through hole of its perpendicular support one end, three spicules location can be satisfied the physiological function of neck of femur, the healing that helps fracturing to greatest extent.Governor motion on the perpendicular support is used for changing in stent length, to satisfy fixedly requirement.Connect in order to the angular adjustment frame of needle holder to be set at the two ends of lateral frame, change the angle of adjusting bracket and lateral frame, can realize omnibearing fixing.
Characteristics of the present utility model are: reasonable in design, and support body is stable, reliable; Needle holder distributes rationally, meets the requirement of biomechanics, has improved the rigidity of holder.Adjust angular adjustment frame and length adjustment mechanism, make it can satisfy the fixed requirement of different parts.Each support of this holder is made up assembling, not only can be used for the fixing of intertrochanteric fracture, Fracture of femur, can also be used for the limb fracture at other positions, the scope of application is wide, and simple in structure, and is easy for installation.
Fig. 1 is a structural representation of the present utility model.
Fig. 2, Fig. 3 are this utility model slipmat structural representation.
Fig. 4 is the structural representation of another embodiment of this utility model.
Fig. 5 is that the A-A of Fig. 4 is to cutaway view Amplified image.
The utility model is described in further detail below in conjunction with accompanying drawing:
As Fig. 1, Fig. 2, shown in Figure 3, support body of the present utility model mainly is made up of horizontal, vertical support (1), (2), and lateral frame is an arc, which is provided with three rectangular through holes (3), and the advantage of rectangular through hole is to adjust the position that is provided with of needle holder and perpendicular support.But the through hole at position intermediary through hole of lateral frame and two ends is set to 90 degrees, and this through hole is and erects the connecting hole that support links to each other.The nose end of each rectangular through hole is a stepped bore, is used to be provided with slipmat.
Two ends of the perpendicular support in the present embodiment set gradually two rectangular through holes (4) that are mutually 90 °, the connecting hole that one of them Kong Weiyu lateral frame links to each other, another hole is provided with needle holder (5), and two needle holders on this needle holder and the lateral frame form triangle and distribute.Change the combination of support anyhow, make holder both can be used for fixing intertrochanteric fracture, can be used for fixing the fracture of femur and other position limbs again.The nose end of each the rectangular through hole on the perpendicular support also is a stepped bore.Length adjustment mechanism on the perpendicular support is prismatic adjusting rod (6), the two ends of bar be provided with erect support on the screw thread that matches of threaded rod, the screw thread of two screwed holes is a reverse thread, hole wall is provided with the dog screw (7) that stretches in the hole, rotary regulating lever, the perpendicular support at its adjusting rod two ends can be simultaneously outwards or is inwardly flexible, regulates efficient and conveniently, and can will erect bracket locked by dog screw.At horizontal stroke, the stop mechanism that the junction of perpendicular support is provided with is two intermeshing slipmat (8), the one side of slipmat is provided with projection (9), another side has Mus tooth (10), the center is provided with connecting hole (11), two slipmat are arranged on horizontal stroke, in the connecting hole of perpendicular support, its projection matches with the aperture of stepped bore, can limit the rotation of slipmat, slipmat then matches with the outer end macropore of stepped bore, with the bolt (13) that passes support and slipmat anyhow when it is fitted together, be embedded in horizontal stroke respectively, the Mus facing of the slipmat on the perpendicular support just in time is meshed, horizontal by the slipmat restriction, relatively rotating between perpendicular support prevented the distortion of support body effectively.
Shown in Figure 4, present embodiment and aforementioned schemes difference are, the length of perpendicular support (2) can not be regulated, promptly there is not length adjustment mechanism, the one end sets gradually two rectangular through holes that are mutually 90 °, the other end is provided with a rectangular through hole, the length in this hole should satisfy the needs that can arrange three needle holders at regular intervals, two stomidiums on the lateral frame (1) are connecting hole, be used for being connected with tabular angular adjustment frame (12), also be provided with two slipmat that are meshed (8) between the two, see Fig. 5, and two stands is linked into an integrated entity by bolt (14).The angular adjustment frame is provided with needle holder (5).Adjust the angle of adjusting bracket and lateral frame, its spicule that satisfies all places is fixed.The structure of needle holder is a prior art, therefore repeats no more.
This utility model is not limited to above-mentioned two kinds of schemes, can satisfy the needs of other position support body fracture fixation by the combination of each parts.
Claims (6)
1, a kind of multi-functional intertrochanteric fracture external fixator, comprise the combination type support body that connects and composes by horizontal, vertical support, be positioned at the needle holder on the support body, the junction that it is characterized in that two stands is provided with and can prevents two stands stop mechanism in relative rotation, one end of perpendicular support sets gradually two through holes that are mutually 90 °, and the other end is provided with a through hole at least.
2, multi-functional intertrochanteric fracture external fixator according to claim 1 is characterized in that the two ends of described perpendicular support set gradually two through holes that are mutually 90 ° respectively.
3,, it is characterized in that on perpendicular support, being provided with the governor motion that can change its length according to claim 1,2 described multi-functional intertrochanteric fracture external fixators.
4, multi-functional intertrochanteric fracture external fixator according to claim 1, it is characterized in that described stop mechanism is to have projection by two one sides, the slipmat that another side is provided with the Mus tooth constitutes, two slipmat are embedded in respectively in the connecting hole of two stands, when two stands linked into an integrated entity, the Mus tooth of two slipmat was meshed.
5, multi-functional intertrochanteric fracture external fixator according to claim 3, it is characterized in that described governor motion is an adjusting rod, the screw thread that matches with perpendicular support in its two ends is a reverse thread, and rotation regulating mechanism can make the perpendicular support at two ends outwards or inwardly stretch simultaneously.
6, multi-functional intertrochanteric fracture external fixator according to claim 1 is characterized in that the two ends of described lateral frame are connected with the angular adjustment frame that needle holder is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01241584 CN2476259Y (en) | 2001-05-09 | 2001-05-09 | Multifunction intertrochanteric fracture external fixation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01241584 CN2476259Y (en) | 2001-05-09 | 2001-05-09 | Multifunction intertrochanteric fracture external fixation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2476259Y true CN2476259Y (en) | 2002-02-13 |
Family
ID=33653548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01241584 Expired - Fee Related CN2476259Y (en) | 2001-05-09 | 2001-05-09 | Multifunction intertrochanteric fracture external fixation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2476259Y (en) |
-
2001
- 2001-05-09 CN CN 01241584 patent/CN2476259Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2002328570B2 (en) | Intramedullary nail | |
| Farcy et al. | Technique and results of fixation to the sacrum with iliosacral screws | |
| WO2002043601A3 (en) | Internal fixator of bones | |
| JP2003530138A (en) | Osteosynthesis bone plate | |
| CA2369112A1 (en) | Improved bone screw for use in orthopaedic surgery | |
| JPH03500259A (en) | Correction and support devices, specifically for the spinal column | |
| CN202446238U (en) | Novel bone fracture plate | |
| CN107693096A (en) | It is a kind of that there is the controlling type Bionics Bone external fixing rack that can lock gimbal suspension device | |
| CN2476259Y (en) | Multifunction intertrochanteric fracture external fixation apparatus | |
| CN204744365U (en) | External fixation frame can multi -direction multi -angle adjusted anchor clamps of threading a needle | |
| CN2770594Y (en) | Foot orthopedic external fixer | |
| CN209770519U (en) | Adjustable mandibular bone external fixation device | |
| US20220125494A1 (en) | Connectable locking plate assembly | |
| CN211883999U (en) | Temporary reduction fixator for clavicle fracture | |
| CN209285836U (en) | Osteotomy orthopedic fusion device | |
| CN110897701A (en) | Special-shaped block at distal end of tibia | |
| CN208974076U (en) | The inside and outside double fixed systems of fracture | |
| CN209695357U (en) | Bone plate system on the outside of a kind of minor's distal humerus | |
| CN2102730U (en) | Double-wing triangle bone outer fixer | |
| CN2756167Y (en) | Fixing tool for intramedullary pin | |
| CN2219680Y (en) | Combined single arm type external fixation device for reduction of fracture | |
| CN218572366U (en) | Fully-inclined knee joint cushion block | |
| CN211484858U (en) | Special-shaped block at distal end of tibia | |
| CN215130933U (en) | Connector of spine and have its spinal internal fixation ware | |
| CN212466143U (en) | Bone fracture plate for children thighbone proximal osteotomy correction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |