CN204839707U - Combined coaptation board - Google Patents
Combined coaptation board Download PDFInfo
- Publication number
- CN204839707U CN204839707U CN201520208958.XU CN201520208958U CN204839707U CN 204839707 U CN204839707 U CN 204839707U CN 201520208958 U CN201520208958 U CN 201520208958U CN 204839707 U CN204839707 U CN 204839707U
- Authority
- CN
- China
- Prior art keywords
- mainboard
- fixed
- fixing band
- fixed strip
- shaping
- 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
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a combined coaptation board, mainboard and two at least fixed bands including a rectangular shape, the mainboard surface on along the width direction shaping have with fixed band complex constant head tank, have two spliced poles along the shaping of mainboard width direction symmetry on the constant head tank, each shaping of fixed band both ends have at least one connecting hole, it is used for fixing each to be connected with one on the mainboard the fixed strip of fixed band, there is a dovetail along the length direction shaping on the mainboard surface, the radial terminal surface of fixed strip be with dovetail complex swallow tail structure, correspond on the fixed strip internal surface that the position shaping of each spliced pole has the fixed orifices on the mainboard, fixed borehole jack is in on the spliced pole compress tightly the fixed band, mainboard and fixed band be titanium alloy material integrated into one piece, the fixed strip is memory alloy. The utility model discloses installation back sound construction is reliable, and easy dismounting is applicable to the coaptation of ulna, rib etc..
Description
Technical field
This utility model belongs to area of medical devices, is specifically related to blade plate technical field of structures.
Background technology
Existing memory alloy plate osteosynthesis is mostly integral type structure, multiple arm of encircling integrally is connected on a mainboard, first blade plate cooling is made it bent distortion during use, progressively restPose under body temperature effect after blade plate is in place, easy to use, substantially reduce the time of fracture reduction operation.When so will remove blade plate after bone heals, be not easy to cool away from the part of mainboard owing to encircling arm, such needs cuts larger operative incision, add patient suffering, in order to solve this problem, there is split type memory alloy plate osteosynthesis, namely encircle arm to be separated with mainboard, be fixedly connected with mainboard after encircling arm recovery of shape, can take out separately when taking out blade plate like this and eachly encircle arm, operative incision is relatively much little, but the bonding strength of environmental protection arm and mainboard is not high, easy generation displacement, result of use is undesirable.
Summary of the invention
Technical problem to be solved in the utility model is: the deficiency existed for prior art, and provide a kind of rational in infrastructure, intensity is reliable, and installing/dismounting is combined blade plate all conveniently.
For realizing the object of this utility model, be achieved by the following technical solutions: a kind of combined blade plate, include mainboard and at least two fixing bands of a strip, described mainboard outer surface forms the locating slot coordinated with fixing band in the width direction, locating slot has two joint pins along mainboard width symmetrical molding; Described fixing band two ends respectively form at least one connecting hole; Described mainboard is connected with one in order to fix the fixed strip of fixing band described in each, described mainboard outer surface forms along its length a dovetail groove, described fixed strip radial end face is in the dovetail structure coordinated with dovetail groove, on fixed strip inner surface, on corresponding mainboard, the position of each joint pin forms fixing hole, and fixing hole is enclosed within described joint pin and is compressed by fixing band; Described mainboard and fixing band are that titanium alloy material is one-body molded, and described fixed strip is memorial alloy.
Preferably: the thickness of described fixing band and the deep equality of locating slot.After such fixed strip is installed on mainboard, fixing band all directions are all fixed, can not relative displacement be produced with mainboard.
Compared with prior art, the beneficial effects of the utility model are: blade plate of the present utility model is by being provided with the fixed strip of a memory alloy material, can fixing band and mainboard be fixed together easily, Stability Analysis of Structures is reliable, then first removes fixed strip during dismounting blade plate, then mainboard is removed, finally remove fixing band one by one, fixing band is thinner titanium alloy, compares memorial alloy and easily removes, reducing operative incision when removing blade plate like this, operating also more convenient.This utility model is applicable to the synthetism of ulna, rib etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A portion structure for amplifying schematic diagram of Fig. 1.
Fig. 3 is the structural representation of fixing band.
In figure 1, fixed strip; 11, fixing hole; 2, mainboard; 21, dovetail groove; 22, locating slot; 23, joint pin; 3, fixing band; 31, connecting hole.
Detailed description of the invention
With reference to the accompanying drawings detailed description of the invention of the present utility model is made a detailed explanation below.
Embodiment 1.
According to shown in Fig. 1 to Fig. 3, the present embodiment is a kind of combined blade plate, include mainboard 2 and at least two fixing bands 3 of a strip, described mainboard outer surface forms in the width direction the locating slot 22 coordinated with fixing band, locating slot has two joint pins 23 along mainboard width symmetrical molding; Described fixing band two ends respectively form at least one connecting hole 31; Described mainboard is connected with one in order to fix the fixed strip 1 of fixing band described in each, described mainboard outer surface forms along its length a dovetail groove 21, described fixed strip radial end face is in the dovetail structure coordinated with dovetail groove, on fixed strip inner surface, on corresponding mainboard, the position of each joint pin forms fixing hole 11, and fixing hole is enclosed within described joint pin and is compressed by fixing band; Described mainboard and fixing band are that titanium alloy material is one-body molded, and described fixed strip is memorial alloy.
The thickness of described fixing band and the deep equality of locating slot.After such fixed strip is installed on mainboard, fixing band all directions are all fixed, can not relative displacement be produced with mainboard.
During use, first fixing band is installed to the both sides of fracture, 2-3 fixing band is installed in every side as required, and the spacing adjusting two adjacent locating slots on distance between adjacent two fixing bands and mainboard is roughly equal; Then fixed strip cooling is made it bent, the both sides of fixed strip width are bent the dovetail groove making it to put into mainboard from top to bottom downwards; Put into mainboard, the position of adjustment mainboard and fixing band, the connecting hole at fixing band two ends is aimed at the joint pin on mainboard and is inserted in, the fixing band of suitable length can be selected according to the thickness of installation site bone, finally the fixing hole on fixed strip is aimed at joint pin to be inserted in, fixing band two ends and mainboard are completely fixed, with warm saline, heating is carried out to fixed strip after each fixing band is all in place and make it to recover original-shape, fixing band and mainboard secure fit can be made, thus bone is fixed.
Then first cool fixed strip during dismounting blade plate, remove fixed strip, then remove mainboard, finally remove fixing band one by one, fixing band is thinner titanium alloy, compares memorial alloy and easily removes, reducing operative incision when removing blade plate like this, operating also more convenient.
Claims (2)
1. a combined blade plate, include mainboard and at least two fixing bands of a strip, it is characterized in that: described mainboard outer surface forms the locating slot coordinated with fixing band in the width direction, locating slot has two joint pins along mainboard width symmetrical molding; Described fixing band two ends respectively form at least one connecting hole; Described mainboard is connected with one in order to fix the fixed strip of fixing band described in each, described mainboard outer surface forms along its length a dovetail groove, described fixed strip radial end face is in the dovetail structure coordinated with dovetail groove, on fixed strip inner surface, on corresponding mainboard, the position of each joint pin forms fixing hole, and fixing hole is enclosed within described joint pin and is compressed by fixing band; Described mainboard and fixing band are that titanium alloy material is one-body molded, and described fixed strip is memorial alloy.
2. the combined blade plate of one according to claim 1, is characterized in that: the thickness of described fixing band and the deep equality of locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208958.XU CN204839707U (en) | 2015-04-08 | 2015-04-08 | Combined coaptation board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208958.XU CN204839707U (en) | 2015-04-08 | 2015-04-08 | Combined coaptation board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204839707U true CN204839707U (en) | 2015-12-09 |
Family
ID=54730312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520208958.XU Expired - Fee Related CN204839707U (en) | 2015-04-08 | 2015-04-08 | Combined coaptation board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204839707U (en) |
-
2015
- 2015-04-08 CN CN201520208958.XU patent/CN204839707U/en not_active Expired - Fee Related
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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: 20151209 Termination date: 20160408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |