CN204971224U - Knee ligament biomechanics test instrument - Google Patents
Knee ligament biomechanics test instrument Download PDFInfo
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- CN204971224U CN204971224U CN201520748919.9U CN201520748919U CN204971224U CN 204971224 U CN204971224 U CN 204971224U CN 201520748919 U CN201520748919 U CN 201520748919U CN 204971224 U CN204971224 U CN 204971224U
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Abstract
The utility model discloses a knee ligament biomechanics test instrument, including support, protractor, pointer, screw rod, shin bone cover, first, second wire, first, second fixed pulley and first, second quality piece, the support is by four angle steel spikes, the welding forms the shin bone angle iron support frame of horizontal plane frame four angle steel spike upper ends, with the articulated thighbone angle steel mount that just forms the inclined plane frame of shin bone angle iron support frame, one end and thighbone angle steel mount rotatable coupling, the other end props the billet and constitutes with four perpendicular pulley angle steel mounts of being connected of angle steel spike with two spinal branchs of shin bone angle iron support frame sliding connection and ability locking, protractor and shin bone cover are fixed on shin bone angle iron support frame, the fixed billet of fixedly connected with thighbone on the thighbone angle steel mount. The difference that the corresponding ligament of knee joint cut off fore -and -after rotation angle can be measured to this test instrument under the moment effect to explain the biomechanics characteristic of ligament.
Description
Technical field
This utility model belongs to human anatomy experimental technique field, is specifically related to a kind of knee ligament biomechanics testing apparatus device.
Background technology
Knee joint plays an important role to the load-bearing of human body and motion, once occur pathological changes or sustain damage, all will cause the function relevant to knee joint and action obstacle.Knee joint injury companion articular ligament injuries is the FAQs of Clinical Surgery, for athlete, particularly football player, more common.For a long time, lack a kind of instrument can tested knee ligament biomechanics, people only rest on the basis of anatomical structure the understanding of knee ligament, hinder the development of the guiding theory for clinical repair knee ligament, thus cause, in Surgery Treatment, choice is difficult to for the choice of ligament repair.
Summary of the invention
The purpose of this utility model is to provide a kind of knee ligament biomechanics testing apparatus, poor with the anglec of rotation measured under moment loading before and after the cut-out of knee joint corresponding ligament, judge whether corresponding ligament has the effect preventing joint overwinding, and then the biomechanics characteristic of ligament is described, in Surgery Treatment, knee ligament reparation provides reference frame.
Knee ligament biomechanics testing apparatus described in the utility model, comprises support, protractor, pointer, screw rod, tibia cover, first, second tinsel (being out of shape very little), first, second fixed pulley and first, second mass; described support is by four angle steel spikes, be welded on the tibia angle steel bracing frame that four angle steel spike upper ends form horizontal plane framework, hinged and form the femur angle steel fixed mount of inclined-plane framework with tibia angle steel bracing frame, one end and femur angle steel fixed mount are rotatably connected, the other end and tibia angle steel bracing frame be slidably connected and can locking two support steel bars and form with four angle steel spike pulley angle steel connected vertically fixed mounts, described protractor and tibia cover are fixedly connected on tibia angle steel bracing frame, described femur angle steel fixed mount is fixedly connected with femur and fixes steel bar, described pulley angle steel fixed mount is parallel to each other by two and longitudinal bracing angle steel bar connected vertically with angle steel spike, steel bar is fixed at two ends respectively with two longitudinal bracing angle steel bar the first fixed pulleys connected vertically and lower end is formed with two longitudinal bracing angle steel bar the second fixed pulley angle steel fixed mounts in doorframe shape connected vertically respectively, the both sides that steel bar and the second fixed pulley angle steel fixed mount lay respectively at tibia angle steel bracing frame fixed by first fixed pulley, described first fixed pulley is fixed on the first fixed pulley and fixes on steel bar, second fixed pulley is fixed on the second fixed pulley angle steel fixed mount, first fixed pulley is parallel with longitudinal bracing angle steel bar with the line of the second fixed pulley.
Knee joint keeps natural physiological bending degree (angle namely between tibia angle steel bracing frame with femur angle steel fixed mount is equal with kneed natural physiological bending degree), femur is bolted on femur and fixes on steel bar, tibia is horizontally through tibia cover and freely can rotates relative to tibia cover, tibia cover can effectively prevent tibia from swinging, described screw rod passes vertically through and is fixed on the tibia between tibia cover and knee joint, the upper end of screw rod is connected with second one end wiry, second other end wiry is connected with the second mass by the second fixed pulley, the lower end of screw rod is connected with first one end wiry, first other end wiry is connected with the first mass by the first fixed pulley, thus moment of torsion is applied to tibia, indirectly the moment of torsion that a size can calculate is applied to knee ligament, described pointer interts and to coordinate with described protractor in the end of tibia, measure the rotational angle of tibia under moment loading (being also the anglec of rotation of knee ligament under moment loading).
Described angle steel spike offers the spike adjustment hole of strip, longitudinal bracing angle steel bar is connected with angle steel spike is vertical with the cooperation of spike adjustment hole by bolt.Spike adjustment hole is for regulating the height of longitudinal bracing angle steel bar (being equivalent to regulate the height of first, second fixed pulley).
First limit of described longitudinal bracing angle steel bar offers the first longitudinal bracing adjustment hole of strip, Second Edge offers the second longitudinal bracing adjustment hole of strip, first fixed pulley is fixed steel bar and is connected with longitudinal bracing angle steel bar is vertical with the cooperation of the first longitudinal bracing adjustment hole by bolt, and the second fixed pulley angle steel fixed mount is connected with longitudinal bracing angle steel bar is vertical with the cooperation of the second longitudinal bracing adjustment hole by bolt.First longitudinal bracing adjustment hole fixes the distance (be equivalent to adjustment first fixed pulley distance to tibia angle steel bracing frame) of steel bar to tibia angle steel bracing frame for regulating the first fixed pulley, and the second longitudinal bracing adjustment hole is for regulating the second fixed pulley angle steel fixed mount to the distance (being equivalent to the distance of adjustment second fixed pulley to tibia angle steel bracing frame) of tibia angle steel bracing frame.
The first fixed pulley adjustment hole steel bar offering strip fixed by described first fixed pulley, and described first fixed pulley is fixedly connected on the first fixed pulley by bolt with the first coordinating of fixed pulley adjustment hole and fixes on steel bar.First fixed pulley adjustment hole to fix fixed position on steel bar for regulating the first fixed pulley at the first fixed pulley.
Described second fixed pulley angle steel fixed mount comprises two second fixed pulley vertical angle steel bars and a second fixed pulley lateral angle steel bar, described second fixed pulley vertical angle steel bar offers the vertical adjustment hole of the second fixed pulley of strip, second fixed pulley lateral angle steel bar offers the second fixed pulley lateral adjustments hole of strip, described second fixed pulley lateral angle steel bar is connected with the second fixed pulley vertical angle steel bar is vertical with the cooperation of the vertical adjustment hole of the second fixed pulley by bolt, described second fixed pulley is fixedly connected on the second fixed pulley lateral angle steel bar with the second coordinating of fixed pulley lateral adjustments hole by bolt.The vertical adjustment hole of second fixed pulley is for regulating the link position (be equivalent to the height of adjustment second fixed pulley) of the second fixed pulley lateral angle steel bar on the second fixed pulley vertical angle steel bar, and the second fixed pulley lateral adjustments hole is for regulating the fixed position of the second fixed pulley on the second fixed pulley lateral angle steel bar.
Described tibia angle steel bracing frame overlaps longitudinally fixing steel bar and the framework in " Contraband " shape by a tibia and forms, this framework is formed by two cross-brace angle steel bars be parallel to each other and a longitudinal fixed angles steel bar vertical welding, first limit of cross-brace angle steel bar offers the first cross-brace adjustment hole of strip, Second Edge offers the second cross-brace adjustment hole of strip, described tibia cover longitudinally fixing steel bar two ends is connected with cross-brace angle steel bar is vertical by bolt and the cooperation of the first cross-brace adjustment hole, tibia cover is fixedly connected on tibia cover and longitudinally fixes on steel bar, protractor is fixedly connected on longitudinal fixed angles steel bar, one end of described support steel bar is connected on cross-brace angle steel bar with the second coordinating of cross-brace adjustment hole by bolt.First cross-brace adjustment hole overlaps the longitudinally fixing link position of steel bar on cross-brace angle steel bar for regulating tibia; Second cross-brace adjustment hole supports the link position of steel bar on cross-brace angle steel bar for regulating, and then the angle between adjustment femur angle steel fixed mount and tibia angle steel bracing frame, when experiment is started, the knee joint of human body specimen keeps natural physiological bending degree, and can experimentally need to make the appropriate adjustments knee-sprung angle.
Described femur fixes steel bar two, described femur angle steel fixed mount is doorframe shape, the lateral connection angle steel bar be parallel to each other by two and a longitudinal joint angle steel bar vertical welding are formed, femur fixes femur adjustment hole steel bar offering strip, the femur first limit of lateral connection angle steel bar offering strip fixes steel bar adjustment hole, femur is fixed on femur by bolt with coordinating of femur adjustment hole and fixes on steel bar, femur is fixed steel bar and is fixed coordinating of steel bar adjustment hole by bolt and femur and be fixedly connected on lateral connection angle steel bar, hinge is passed through in the end of the end of two lateral connection angle steel bars and two cross-brace angle steel bars, the other end of described support steel bar is connected on the Second Edge of lateral connection angle steel bar by screws.Femur adjustment hole to fix fixed position on steel bar for regulating femur at femur, femur is fixed steel bar adjustment hole and fixed the link position of steel bar on lateral connection angle steel bar for regulating femur.
This utility model adopts four angle steel spikes, tibia angle steel bracing frame, femur angle steel fixed mount, support steel bar and pulley angle steel fixed mount form support and are fixed support to knee joint, adopt screw rod, first, second tinsel, first, second fixed pulley and first, second mass applies moment to knee joint, utilize pointer, protractor measure knee ligament before cutting after, the difference of the anglec of rotation under moment loading, thus help to judge whether corresponding ligament has the effect preventing joint overwinding, thus the biomechanics characteristic of ligament is described, for in Surgery Treatment, knee ligament reparation provides reference frame.In addition, the various adjustment holes that support is offered can regulate the position of kneed fixed position, applying moment, and adapt to the knee joint of existing forms difference, versatility is good; And its structure is simple, cost is low, practical.
Accompanying drawing explanation
Fig. 1 is the structural representation (non-concatenation pointer, screw rod and first, second mass) of embodiment 1.
Fig. 2 is the schematic diagram that embodiment 1 does not apply moment when testing.
Fig. 3 is the schematic diagram after embodiment 1 applies moment when testing.
Fig. 4 is the schematic diagram that embodiment 2 does not apply moment when testing.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is elaborated.
embodiment 1:knee ligament biomechanics testing apparatus as shown in Figure 1, Figure 2, Figure 3 shows, comprises support, protractor 1(is made up of transparent material), pointer 2, screw rod 3, tibia cover the 4, first tinsel 5, second tinsel 6, first fixed pulley 7, second fixed pulley 8 and the first mass 9, second mass 10.Support is by four angle steel spikes 11, be welded on the tibia angle steel bracing frame 12 that four angle steel spike 11 upper ends form horizontal plane framework, hinged and form the femur angle steel fixed mount 13 of inclined-plane framework with tibia angle steel bracing frame 12, one end and femur angle steel fixed mount 13 are rotatably connected, the other end and tibia angle steel bracing frame 12 are slidably connected and can locking two support steel bars 14 and form with four angle steel spike 11 pulley angle steel connected vertically fixed mounts 15.
Tibia angle steel bracing frame 12 overlaps longitudinally fixing steel bar 121 and the framework in " Contraband " shape by a tibia and forms, this framework is formed by two cross-brace angle steel bars be parallel to each other and a longitudinal fixed angles steel bar vertical welding, first limit of cross-brace angle steel bar offers the first cross-brace adjustment hole 122 of strip, Second Edge offers the second cross-brace adjustment hole 123 of strip, tibia cover longitudinally fixing steel bar 121 two ends is connected with cross-brace angle steel bar is vertical with the cooperation of the first cross-brace adjustment hole 122 by bolt, tibia cover 4 is fixedly connected on tibia cover and longitudinally fixes on steel bar 121, protractor 1 is fixedly connected on longitudinal fixed angles steel bar, the one end supporting steel bar 14 was connected on cross-brace angle steel bar by bolt and the second coordinating of cross-brace adjustment hole 123.
Femur angle steel fixed mount 13 is fixedly connected with two femurs and fixes steel bar 131, femur angle steel fixed mount 13 is in doorframe shape, the lateral connection angle steel bar be parallel to each other by two and a longitudinal joint angle steel bar vertical welding are formed, femur fixes the femur adjustment hole 132 steel bar 131 offering strip, the femur first limit of lateral connection angle steel bar offering strip fixes steel bar adjustment hole 133, femur is fixed steel bar 131 and is fixed coordinating of steel bar adjustment hole 133 by bolt and femur and be fixedly connected on lateral connection angle steel bar, the end of the end of two lateral connection angle steel bars and two cross-brace angle steel bars is hinged by hinge 18, the other end supporting steel bar 14 is connected on the Second Edge of lateral connection angle steel bar by screws.
Pulley angle steel fixed mount 15 fixes steel bar 152 by the two longitudinal bracing angle steel bar be parallel to each other 151, first fixed pulleys and the second fixed pulley angle steel fixed mount 153 is formed, and the both sides that steel bar 152 and the second fixed pulley angle steel fixed mount 153 lay respectively at tibia angle steel bracing frame 12 fixed by the first fixed pulley.Angle steel spike 11 offers the spike adjustment hole 111 of strip, longitudinal bracing angle steel bar 151 is connected with angle steel spike is vertical with the cooperation of spike adjustment hole 111 by bolt, first limit of longitudinal bracing angle steel bar 151 offers the first longitudinal bracing adjustment hole 154 of strip, the second longitudinal bracing adjustment hole 155, first fixed pulley Second Edge offering strip is fixed steel bar 152 and is connected with longitudinal bracing angle steel bar 151 is vertical with the cooperation of the first longitudinal bracing adjustment hole 154 by bolt, first fixed pulley is fixed the first fixed pulley adjustment hole 156, first fixed pulley 7 steel bar 152 offering strip and is fixedly connected on the first fixed pulley by bolt with the first coordinating of fixed pulley adjustment hole 156 and fixes on steel bar 152, second fixed pulley angle steel fixed mount 153 comprises two second fixed pulley vertical angle steel bars and a second fixed pulley lateral angle steel bar, second fixed pulley vertical angle steel bar offers the vertical adjustment hole 157 of the second fixed pulley of strip, second fixed pulley lateral angle steel bar offers the second fixed pulley lateral adjustments hole 158 of strip, second fixed pulley lateral angle steel bar is connected with the second fixed pulley vertical angle steel bar is vertical with the cooperation of the vertical adjustment hole 157 of the second fixed pulley by bolt, second fixed pulley 8 is fixedly connected on the second fixed pulley lateral angle steel bar by bolt with the second coordinating of fixed pulley lateral adjustments hole 158, and the second fixed pulley 8 is parallel with longitudinal bracing angle steel bar 151 with the line of the first fixed pulley 7, the lower end of two second fixed pulley vertical angle steel bars is connected with longitudinal bracing angle steel bar 151 is vertical with the cooperation of the second longitudinal bracing adjustment hole 155 by bolt.
During experiment, femur 16 is fixed on femur by bolt with coordinating of femur adjustment hole 132 and fixes on steel bar 131, tibia 17 is horizontally through tibia cover 4 and can rotates relative to tibia cover 4, the end of tibia 17 is between tibia cover 4 and protractor 1, screw rod 3 passes vertically through and middle part is fixed on the tibia 17 between tibia cover 4 and knee joint, the upper end of screw rod 3 is connected with one end of the second tinsel 6, the other end of the second tinsel 6 is connected with the second mass 10 by the second fixed pulley 8, the lower end of screw rod 3 is connected with one end of the first tinsel 5, the other end of the first tinsel 5 is connected with the first mass 9 by the first fixed pulley 7, pointer 2 interts and to coordinate with protractor 1 in the end of tibia 17, measure the rotational angle of tibia under moment loading.
For the ligament popliteum obliquum of left side knee joint, sentence disconnected ligament popliteum obliquum and whether have and prevent knee joint excessively to the effect of external rotation.Its step is as follows:
The first step, get a left side knee joint specimen, electricity consumption is drilled in the hole on the left of this, kneed femur 16 being made a call to two suitable size, being securely fixed in femur with bolt fixes on steel bar 131, the kneed tibia 17 in left side is through tibia cover 4, and ensureing that tibia can freely rotate, the kneed fibula in left side 19 keeps free vacant state.
Second step, on the kneed tibia 17 in left side, (part between tibia cover 4 and knee joint) beats the hole of another suitable size, by long for 30cm, diameter be the screw rod 3 of the high strength of 5mm through therebetween, and in the middle part of screw rod 3, its in the vertical direction to be firmly fixed on tibia 17.
3rd step, in left side, a suitable size is made a call to and the axis hole parallel with the datum line of protractor 1 in the end of kneed tibia 17, pointer 2 is interted in this hole, and makes pointer 2 point to the datum line (transit dose hornwork carries out reading, just can judge the angle rotated) of protractor 1.
4th step, one end of second tinsel 6 is tied up to the upper end of screw rod 3, second tinsel 6 is by the second fixed pulley 8, and fasten the second mass 10 at the other end, one end of first tinsel 5 is tied up to the lower end of screw rod 3, the first tinsel 5 by the first fixed pulley 7, and fastens the first mass 9 at the other end, thus formation moment, the moment to external rotation is applied to tibia 17;
5th step, the anglec of rotation of record tibia.
6th step, takes off first, second tinsel and first, second mass, removes the moment applied, Qie Duan ligament popliteum obliquum.
7th step, repeats the 4th step, again applies the moment of formed objects, the anglec of rotation of record Qie Duan ligament popliteum obliquum ossa tibiale posterius.
8th step, calculates the difference of the anglec of rotation of tibia in the 5th step and the 7th step.
9th step, judge according to clinical experience and documents and materials, if difference >=5 of the anglec of rotation in the 8th step, namely Ren has the effect preventing the excessive outward turning of knee joint Wei ligament popliteum obliquum.
The moment direction applied due to left and right side knee joint is contrary, so when detecting right side and being kneed, need pulley angle steel fixed mount 15 to rotate 180 ° together with first, second fixed pulley, and then be vertically connected on four angle steel spikes 11, to change the moment direction of applying.
embodiment 2:as shown in Figure 4, most of structure of knee ligament biomechanics testing apparatus is identical with embodiment 1, and difference is: protractor 1 is made up of opaque material, and protractor 1 has the protractor via hole 20 passed for ligament tibia end.During experiment, femur 16 is fixed on femur by bolt with coordinating of femur adjustment hole 132 and fixes on steel bar 131, tibia 17 is horizontally through tibia cover 4, and can rotate relative to tibia cover 4, the end of tibia 17 is through protractor via hole 20, screw rod 3 passes vertically through and middle part is fixed on the tibia 17 between tibia cover 4 and knee joint, the upper end of screw rod 3 is connected with one end of the second tinsel 6, the other end of the second tinsel 6 is connected with the second mass 10 by the second fixed pulley 8, the lower end of screw rod 3 is connected with one end of the first tinsel 5, the other end of the first tinsel 5 is connected with the first mass 9 by the first fixed pulley 7, pointer 2 interts in the end of tibia 17, to be positioned at before protractor 1 and to coordinate with protractor 1, measure the rotational angle of tibia under moment loading.
Above-mentioned experiment instrument also may be used for probing into, verify whether other ligament kneed has prevents knee joint excessively to the effect of external rotation.
Claims (5)
1. a knee ligament biomechanics testing apparatus, is characterized in that: comprise support, protractor (1), pointer (2), screw rod (3), tibia cover (4), first, second tinsel (5,6), first, second fixed pulley (7,8) and first, second mass (9,10); described support is by four angle steel spikes (11), be welded on the tibia angle steel bracing frame (12) that four angle steel spike upper ends form horizontal plane framework, hinged and form the femur angle steel fixed mount (13) of inclined-plane framework with tibia angle steel bracing frame, one end and femur angle steel fixed mount are rotatably connected, the other end and tibia angle steel bracing frame be slidably connected and can locking two support steel bars (14) and form with four angle steel spike pulley angle steel connected vertically fixed mount (15), described protractor (1) and tibia cover (4) are fixedly connected on tibia angle steel bracing frame (12), described femur angle steel fixed mount (13) is fixedly connected with femur and fixes steel bar (131), described pulley angle steel fixed mount (15) is parallel to each other by two and longitudinal bracing angle steel bar (151) connected vertically with angle steel spike, steel bar (152) is fixed at two ends respectively with two longitudinal bracing angle steel bar the first fixed pulleys connected vertically and lower end is formed with two longitudinal bracing angle steel bar the second fixed pulley angle steel fixed mounts (153) in doorframe shape connected vertically respectively, the both sides that steel bar and the second fixed pulley angle steel fixed mount lay respectively at tibia angle steel bracing frame (12) fixed by first fixed pulley, described first fixed pulley (7) is fixed on the first fixed pulley and fixes on steel bar (152), second fixed pulley (8) is fixed on the second fixed pulley angle steel fixed mount (153), first fixed pulley (7) is parallel with longitudinal bracing angle steel bar (151) with the line of the second fixed pulley (8),
Femur (16) is bolted on femur and fixes on steel bar (131), tibia (17) is horizontally through tibia cover (4) and can rotates relative to tibia cover, described screw rod (3) passes vertically through and is fixed on the tibia between tibia cover and knee joint, the upper end of screw rod is connected with one end of the second tinsel (6), second other end wiry is connected with the second mass (10) by the second fixed pulley (8), the lower end of screw rod is connected with one end of the first tinsel (5), first other end wiry is connected with the first mass (9) by the first fixed pulley (7), described pointer (2) interts and to coordinate with described protractor (1) in the end of tibia, measure the rotational angle of tibia under moment loading.
2. knee ligament biomechanics testing apparatus according to claim 1, it is characterized in that: the spike adjustment hole (111) described angle steel spike (11) offering strip, longitudinal bracing angle steel bar (151) is connected with angle steel spike is vertical with the cooperation of spike adjustment hole by bolt.
3. knee ligament biomechanics testing apparatus according to claim 1, is characterized in that:
First limit of described longitudinal bracing angle steel bar (151) offers the first longitudinal bracing adjustment hole (154) of strip, Second Edge offers the second longitudinal bracing adjustment hole (155) of strip, first fixed pulley is fixed steel bar (152) and is connected with longitudinal bracing angle steel bar is vertical with the cooperation of the first longitudinal bracing adjustment hole by bolt, and the second fixed pulley angle steel fixed mount (153) is connected with longitudinal bracing angle steel bar is vertical with the cooperation of the second longitudinal bracing adjustment hole by bolt;
The the first fixed pulley adjustment hole (156) steel bar (152) offering strip fixed by described first fixed pulley, and described first fixed pulley (7) is fixedly connected on the first fixed pulley by bolt with the first coordinating of fixed pulley adjustment hole and fixes on steel bar (152);
Described second fixed pulley angle steel fixed mount (153) comprises two second fixed pulley vertical angle steel bars and a second fixed pulley lateral angle steel bar, described second fixed pulley vertical angle steel bar offers the vertical adjustment hole of second fixed pulley (157) of strip, second fixed pulley lateral angle steel bar offers the second fixed pulley lateral adjustments hole (158) of strip, described second fixed pulley lateral angle steel bar is connected with the second fixed pulley vertical angle steel bar is vertical with the cooperation of the vertical adjustment hole of the second fixed pulley by bolt, described second fixed pulley (8) is fixedly connected on the second fixed pulley lateral angle steel bar with the second coordinating of fixed pulley lateral adjustments hole by bolt.
4. knee ligament biomechanics testing apparatus according to claim 1, it is characterized in that: described tibia angle steel bracing frame (12) is overlapped longitudinally fixing steel bar (121) and the framework in " Contraband " shape by a tibia and formed, this framework is formed by two cross-brace angle steel bars be parallel to each other and a longitudinal fixed angles steel bar vertical welding, first limit of cross-brace angle steel bar offers the first cross-brace adjustment hole (122) of strip, Second Edge offers the second cross-brace adjustment hole (123) of strip, described tibia cover longitudinally fixing steel bar two ends is connected with cross-brace angle steel bar is vertical by bolt and the cooperation of the first cross-brace adjustment hole, tibia cover (4) is fixedly connected on tibia cover and longitudinally fixes on steel bar, protractor (1) is fixedly connected on longitudinal fixed angles steel bar, one end of described support steel bar (14) is connected on cross-brace angle steel bar with the second coordinating of cross-brace adjustment hole (123) by bolt.
5. knee ligament biomechanics testing apparatus according to claim 4, it is characterized in that: described femur fixes steel bar (131) two, described femur angle steel fixed mount (13) is in doorframe shape, the lateral connection angle steel bar be parallel to each other by two and a longitudinal joint angle steel bar vertical welding are formed, femur fixes the femur adjustment hole (132) steel bar (131) offering strip, the femur first limit of lateral connection angle steel bar offering strip fixes steel bar adjustment hole (133), femur (16) is fixed on femur by bolt with coordinating of femur adjustment hole and fixes on steel bar, femur is fixed steel bar and is fixed coordinating of steel bar adjustment hole by bolt and femur and be fixedly connected on lateral connection angle steel bar, the end of the end of two lateral connection angle steel bars and two cross-brace angle steel bars is hinged by hinge (18), the other end of described support steel bar (14) is connected on the Second Edge of lateral connection angle steel bar by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748919.9U CN204971224U (en) | 2015-09-24 | 2015-09-24 | Knee ligament biomechanics test instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748919.9U CN204971224U (en) | 2015-09-24 | 2015-09-24 | Knee ligament biomechanics test instrument |
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| CN204971224U true CN204971224U (en) | 2016-01-20 |
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| CN201520748919.9U Expired - Fee Related CN204971224U (en) | 2015-09-24 | 2015-09-24 | Knee ligament biomechanics test instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009176A (en) * | 2017-06-09 | 2018-12-18 | 北京大学第三医院 | A kind of measuring system for human cadaver's cruciate ligaments of knee joint biomechanics characteristic |
| CN110346207A (en) * | 2019-04-19 | 2019-10-18 | 浙江省人民医院 | A kind of anterior cruciate ligament biomechanics characteristic measuring device |
-
2015
- 2015-09-24 CN CN201520748919.9U patent/CN204971224U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009176A (en) * | 2017-06-09 | 2018-12-18 | 北京大学第三医院 | A kind of measuring system for human cadaver's cruciate ligaments of knee joint biomechanics characteristic |
| CN109009176B (en) * | 2017-06-09 | 2022-02-01 | 北京大学第三医院 | Measurement system for biomechanical characteristics of cruciate ligaments of knee joints of human cadavers |
| CN110346207A (en) * | 2019-04-19 | 2019-10-18 | 浙江省人民医院 | A kind of anterior cruciate ligament biomechanics characteristic measuring device |
| CN110346207B (en) * | 2019-04-19 | 2024-04-09 | 浙江省人民医院 | Anterior cruciate ligament biomechanical property measuring device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170924 |