CN210521149U - Femur external rotation measuring device - Google Patents
Femur external rotation measuring device Download PDFInfo
- Publication number
- CN210521149U CN210521149U CN201920772587.6U CN201920772587U CN210521149U CN 210521149 U CN210521149 U CN 210521149U CN 201920772587 U CN201920772587 U CN 201920772587U CN 210521149 U CN210521149 U CN 210521149U
- Authority
- CN
- China
- Prior art keywords
- block
- external rotation
- femoral
- pointer
- scale
- 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.)
- Active
Links
Images
Abstract
The utility model provides a femur external rotation measuring device, which comprises a base, an aligning device, an external rotation angle block and an external rotation shifting block; the outward turning angle block comprises an outward turning angle control disc, and an arc-shaped adjusting groove is formed in the outward turning angle control disc; the outward turning shifting block comprises a connecting sheet, and a second bulge is arranged on the connecting sheet; the alignment device comprises a femoral condyle measuring block, and the femoral condyle measuring block comprises a pointer, a scale block, an adjusting block and a connecting mechanism; the outward rotation angle control disc and the connecting sheet can be rotatably connected to the base, the second bulge is arranged in the adjusting groove, and the second bulge can move along the adjusting groove along with the rotation of the outward rotation angle control disc; the scale block is fixedly connected with the connecting sheet. The device not only can be used for measuring the external rotation of the femur, but also can be used for measuring the AP value of the femoral condyle and the height of the femoral condyle anterior condyle, and when being used for a femoral condyle measurer, the device has the advantages of simple adjusting structure, convenience in adjustment and high adjusting speed, can directly select the model of the femoral condyle, and saves the operation time.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, a thighbone external rotation measuring device is related to.
Background
The knee joint is one of the largest and most complex joints of the human body and is the most important joint in the process of human motion. The development of knee joint prosthesis systems has been in history for decades, and when a natural knee joint of a human body has lost partial or all functions due to pathological changes or injuries and the like, the knee joint prosthesis system needs to be adopted for replacement so as to rebuild the normal functions of the knee joint, reduce the pain and inconvenience of patients, achieve the optimal treatment effect by implementing the knee joint prosthesis system replacement, and can recover the mobility of the patients to the maximum extent.
The replacement of the femoral condyle prosthesis is a part of the replacement operation of the knee joint prosthesis system, and because the size of the femur of each patient is different, the external rotation angle of the femoral condyle, the size of the femoral condyle, the height of the femoral condyle and the like need to be measured in the operation process so as to determine the specification of the femoral condyle prosthesis.
In the prior art, the instrument for simultaneously measuring the external rotation of the femur and the condyle of the femur is few, or the measurer for the condyle of the femur adjusts the vertical sliding of the pointer by using a screwdriver or a knob, and has the following defects: the adjusting process is complex or the adjusting structure is complex, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a thighbone outward rotation caliber, it not only can be used for measuring thighbone outward rotation, can also be used for measuring thighbone condyle AP value and thighbone condyle anterior condyle height, and when being used for thighbone condyle caliber, adjusts simple structure, adjusts the convenience, and the governing speed is fast, can directly elect thighbone condyle model, practices thrift operating time.
To achieve the purpose, the utility model adopts the following technical proposal:
a femur external rotation measuring device comprises a base, an alignment device, an external rotation angle block and an external rotation shifting block;
the outward turning angle block comprises an outward turning angle control disc, and an arc-shaped adjusting groove is formed in the outward turning angle control disc;
the outward turning shifting block comprises a connecting sheet, and a second bulge is arranged on the connecting sheet;
the alignment device comprises a femoral condyle measuring block, and the femoral condyle measuring block comprises a pointer, a scale block, an adjusting block and a connecting mechanism;
the surface of the scale block is provided with scale marks for representing the model of the femoral condyle along the axial direction;
the adjusting block comprises a fixed seat, a first fixed plate and a second fixed plate which are fixed on one side of the fixed seat, and a locking piece which can sequentially pass through the first fixed plate, the scale block and the second fixed plate to fix the adjusting block on the scale block, the adjusting block can slide up and down along the scale block, and an indicating line for indicating the model of the femoral condyle is arranged on the surface of the adjusting block;
one end of the connecting mechanism is fixed on the fixed seat, and the other end of the connecting mechanism is connected with the pointer;
the outward rotation angle control disc and the connecting sheet can be rotatably connected to the base, the second bulge is arranged in the adjusting groove, and the second bulge can move along the adjusting groove along with the rotation of the outward rotation angle control disc; the scale block is fixedly connected with the connecting sheet.
The measuring of the external rotation of the femur by using the external rotation of the femur measuring device comprises the following steps:
the second bulge is arranged in the middle of the arc-shaped adjusting groove before measurement is started; when the femur aligning device (namely the femur condyle measurer) is coincided with the central axis of the femur, the rotating angle of the femur aligning device (namely the femur condyle measurer) is the femur external rotation angle.
Measuring an anterior-posterior diameter dimension (AP value) and a femoral anterior condyle height of a femoral condyle using the femoral external rotation measuring device comprises the steps of:
before use, two femoral condyle positioning sheets are abutted against the femoral posterior condyle, the locking piece is loosened to enable the adjusting block to move up and down, the adjusting block and the pointer are moved and the pointer is rotated to enable the tip of the pointer to be positioned on the femoral anterior condyle, at the moment, the locking piece is screwed up to fix the adjusting block, and the model represented by the scale mark aligned with the indicating line of the adjusting block is the model of the femoral condyle; the size of the ammeter of the pointer scale indicated by the indicating line of the pointer frame is the height of the femoral anterior condyle.
Preferably, the base comprises a base plate and at least two femoral condyle positioning plates arranged perpendicular to the base plate.
Preferably, the scale block comprises an installation block and a rectangular block connected with the installation block, the rectangular block is provided with an inner cavity and comprises a front side face, a rear side face, a left side face, a right side face and a top face, the front side face is provided with scale marks, the left side face and the right side face are correspondingly provided with sliding grooves, the sliding grooves are communicated with a hollow structure of the rectangular block, the rear side face is provided with an insertion hole for inserting the adjusting block, and the top face is provided with a hole through which the connecting mechanism penetrates; the mounting block is fixedly connected with the connecting sheet.
Preferably, the mounting block is provided with a mounting hole, the connecting piece is provided with a first bulge, and the mounting block and the connecting piece are fixedly connected through interference fit between the first bulge and the mounting hole;
the first bulge and the second bulge are respectively positioned at two ends of the connecting sheet, the first bulge is provided with a connecting hole and a through hole basically, and the connecting sheet is rotatably connected with the substrate through a connecting piece penetrating through the connecting hole and the through hole.
Preferably, the front side surface is further provided with a damping hole, an elastic marble is arranged in the damping hole, and the elastic marble is in contact with the connecting mechanism.
Preferably, fixing base, first stationary blade and second stationary blade integrated into one piece, the fixing base both ends still are provided with the location pinhole.
Preferably, the locking member includes a bolt, and the first fixing plate and the second fixing plate are both provided with a fixing hole engaged with the bolt.
Preferably, the connection mechanism comprises a connecting rod.
Preferably, the pointer is rotatably connected with the connecting mechanism through a pointer frame, and the upper surface of the pointer frame is provided with scale indicating lines.
Preferably, the pointer is L-shaped, and the upper surface of the pointer is provided with scale marks.
Compared with the prior art, the beneficial effects of the utility model are that:
the femur external rotation measuring device provided by the utility model has simple adjusting structure, does not need other auxiliary devices, has fast adjusting speed and convenient adjustment, can directly select the model of the femur condyle, and saves the operation time; the fixing effect of the adjusting block is good, the connecting mechanism and the pointer move stably in the adjusting process, the model of the femoral condyle can be accurately determined, and the height value of the femoral anterior condyle can be given;
the utility model provides a thighbone external rotation measuring device collects left and right handed thighbone measuring device as an organic whole, has both practiced thrift the time that clinician replaced installation left and right handed angle ware in clinical use, has increased the probability of operation accuracy again, is a fine selection among the clinical operation.
Drawings
Fig. 1 is a schematic perspective view of a femoral external rotation measuring device provided in embodiment 1.
Fig. 2 is a schematic perspective view of an adjusting block provided in embodiment 1.
Fig. 3 is a front view of fig. 5 provided in embodiment 1.
Fig. 4 is a top view of the base provided in example 1.
Fig. 5 is a schematic perspective view of an outward rotation angle block provided in embodiment 1.
Fig. 6 is a schematic structural diagram of a bottom surface of an outward rotation angle control disc provided in embodiment 1.
Fig. 7 is a schematic perspective view of a connecting sheet provided in example 1.
Fig. 8 is a schematic structural diagram of a first screw provided in embodiment 1.
Wherein: 1, a substrate; 2, adjusting a block; 3, a scale block; 4, connecting rods; 5, a pointer; 6, a pointer frame; 7, femoral condyle positioning sheets; 8, positioning a pinhole; 9, a locking piece; 10, a first threaded hole; 11, a second threaded hole; 12, a second through hole; 13, scale marks; 14, an indicator line; 15, a damping hole; 16, mounting holes; 17, a first protrusion; 18, a first fixing sheet; 19, a second fixing sheet; 20, a first light hole; 21, a second light hole; 22, a chute; 23, turning a handle; 24, mounting a block; 25, fixing a base; 26, an outward rotation angle control panel; 27, a first via hole; 28, mounting grooves of an outward rotation angle control disc; 29, a second protrusion.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example 1
Referring to fig. 1-8, a femur external rotation measuring device includes a base, an alignment device, an external rotation angle block, and an external rotation shifting block;
the base comprises a base plate 1 and two femoral condyle positioning plates 7 which are arranged perpendicular to the base plate 1; a first through hole 27 and a second through hole 12 are further axially arranged between the femoral posterior condyle positioning plates on the base plate 1; and the first through hole 27 is located in the outward turning angle control disc mounting groove 28 on the substrate 1;
the outward turning angle block comprises an outward turning angle control disc 26 and a turning handle 23, the turning handle 23 is perpendicular to the top surface of the outward turning angle control disc 26 and is fixedly connected with the outward turning angle control disc 26, a threaded hole is formed in the center of the turning handle 23, and a pointing bulge with a triangular cross section is further arranged at the top of the turning handle 23, so that the outward turning angle control disc 26 can be conveniently turned; the bottom surface of the outward turning angle control disc 26 is provided with an arc-shaped adjusting groove and a central hole, and the distance between the adjusting groove and the rotating center of the outward turning angle control disc 26 is gradually increased from one end to the other end; the top surface of the outward turning angle control disc 26 is provided with angle scale marks to directly read the turning angle;
the outward turning shifting block comprises a connecting piece, a first bulge 17 and a second bulge 29 are arranged on the connecting piece, the first bulge 17 and the second bulge 29 are respectively positioned at two ends of the connecting piece, and the first bulge 17 is provided with a threaded hole;
the alignment device comprises a femoral condyle measuring block, and the femoral condyle measuring block comprises a pointer 5, a pointer frame 6, a scale block 3, an adjusting block 2 and a connecting mechanism;
the scale block 3 comprises a mounting block 24 and a rectangular block, the rectangular block is provided with an inner cavity, the rectangular block comprises a front side face, a rear side face, a left side face, a right side face and a top face, the front side face is provided with scale marks 13 for indicating the types of the femoral condyles along the axial direction, the rectangular block is also provided with a damping hole 15, an elastic marble is arranged in the damping hole 15 and is contacted with a connecting mechanism, the left side face and the right side face are correspondingly provided with sliding grooves 22, the sliding grooves 22 are communicated with the hollow structure of the rectangular block, and the rear side face is provided with an insertion hole for inserting the adjusting block 2; the top surface is provided with a hole through which the connecting mechanism penetrates; the front side surface of the rectangular block is connected with a mounting block 24, and the mounting block 24 is provided with a mounting hole 16;
the adjusting block 2 comprises a fixed seat 25, a first fixed plate 18 and a second fixed plate 19 which are fixed on the fixed seat 25, and a locking part 9 which can sequentially pass through the first fixed plate 18, the scale block 3 and the second fixed plate 19 to fix the adjusting block 2 on the scale block 3, the adjusting block 2 can axially slide up and down along the scale block 3, and an indicating line 14 for indicating the model of the femoral condyle is arranged on the surface of the adjusting block 2; the fixed seat 25, the first fixed sheet 18 and the second fixed sheet 19 are integrally formed, and two ends of the fixed seat 25 are also provided with positioning pin holes 8; the locking piece 9 comprises a bolt, the first fixing piece 18 and the second fixing piece 19 are both provided with fixing holes matched with the bolt, the fixing hole formed in the first fixing piece 18 is a second unthreaded hole 21, the fixing hole formed in the second fixing piece 19 is a first threaded hole 10, and the thread of the bolt is matched with the first threaded hole 10;
the connecting mechanism comprises a connecting rod 4, one end of the connecting rod 4 is fixed on a fixed seat 25 through a bolt (the fixed seat 25 is provided with a first unthreaded hole 20 and a second threaded hole 11 with vertical axes, one end of the connecting rod 4 is inserted into the first unthreaded hole 20 and is fixed by the bolt in the second threaded hole 11), the other end of the connecting rod 4 is connected with a pointer 5 through a pointer frame 6, and the pointer frame 6 is rotatably fixed at the end part of the connecting rod 4 (the pointer frame 6 is connected with the connecting rod 4 through a thread in the embodiment);
the pointer 5 is connected with the connecting rod 4 through a pointer frame 6, the pointer 5 is fixed on the pointer frame 6, the pointer 5 is L-shaped and is convenient to indicate the femoral condyle, and scale marks are arranged on the upper surface of the pointer 5 and used for indicating the height of the femoral anterior condyle; the pointer 5 comprises an upper layer and a lower layer, the width of the lower layer is larger than that of the upper layer, and the lower layer is in a T shape;
the pointer frame 6 is cylindrical, the top surface of the pointer frame fixes the pointer 5 through a T-shaped groove, the top surface of the pointer frame is provided with an indicating line, and the bottom of the pointer frame is rotatably connected with the connecting rod 4;
a first screw passes through a first through hole 27, a central hole of an outward rotation angle control disc 26 (positioned in an outward rotation angle control disc mounting groove 28 of the substrate 1) and a threaded hole of the rotating handle 23 to connect the substrate 1, the outward rotation angle control disc 26 and the rotating handle 23, wherein the first screw comprises a nut, a polished rod and a threaded rod which are sequentially connected, and the threaded rod is positioned in the threaded hole of the rotating handle 23; the mounting block 24 and the connecting piece are in interference fit with the first bulge 17 through the mounting hole 16, the rectangular block is perpendicular to the substrate 1, a second screw sequentially penetrates through the second through hole 12 of the substrate 1 and the threaded hole of the first bulge 17 to connect the substrate 1 with the connecting piece, the second screw comprises a nut, a polished rod and a threaded rod which are sequentially connected, and the threaded rod is positioned in the threaded hole of the first bulge 17; the rotatable connection of the outward rotation angle control disc 26 and the connecting sheet with the base plate 1 is realized through the connection of the first screw and the second screw; the second protrusion 29 is arranged in the adjusting groove of the outward turning angle control disc 26, and the second protrusion 29 can move along the adjusting groove along with the rotation of the outward turning angle control disc 26; the outward rotation angle control disc 26 and the connecting sheet are positioned on the same side of the base plate 1 and are not positioned on the same side of the femoral condyle positioning sheet 7;
in order to facilitate the adjustment of the rotation angle of the rotating handle 23, protrusions are disposed at intervals on the periphery of the outward rotation angle control disk 26, grooves are disposed in the outward rotation angle control disk mounting groove 28, and the grooves are made of elastic material.
The measuring of the external rotation of the femur by using the external rotation of the femur measuring device comprises the following steps:
the second projection 29 is arranged at the middle position of the arc-shaped adjusting groove before the measurement is started; during measurement, the rotating handle 23 is rotated (leftwards or rightwards), the outward rotation angle control disc 26 is driven to rotate, the second protrusion 29 rotates in the adjusting groove, the first protrusion 17 is driven to move, and then the femur aligning device (namely, the femur condyle measurer) is driven to rotate, and when the femur aligning device (namely, the femur condyle measurer) is superposed with the central axis of the femur, the rotating angle of the femur aligning device (namely, the femur condyle measurer) is the outward rotation angle of the femur.
Measuring an anterior-posterior diameter dimension (AP value) and a femoral anterior condyle height of a femoral condyle using the femoral external rotation measuring device comprises the steps of:
before use, two femoral condyle positioning pieces 7 are abutted against the femoral posterior condyle, the locking piece 9 is loosened, the adjusting block 2 can move up and down, the adjusting block 2 and the pointer 5 are moved, the pointer 5 is rotated, the tip of the pointer 5 is positioned on the femoral anterior condyle, at the moment, the locking piece 9 is screwed, the adjusting block 2 is fixed, and the model represented by a scale mark 13 aligned with an indication line 14 of the adjusting block 2 is the model of the femoral condyle; the size of the ammeter marked by the pointer 5 scale indicated by the indicating line of the pointer frame 6 is the height of the femoral anterior condyle.
The femur external rotation measuring device integrates the left-handed femur measuring device and the right-handed femur measuring device into a whole, so that the time for a clinician to replace and install the left-handed and right-handed goniometers is saved in clinical use, the probability of operation accuracy is increased, and the femur external rotation measuring device is a good choice in clinical operation;
in addition, the thighbone condyle measuring device of the thighbone external rotation measuring device sets the adjusting block 2 to comprise the fixing seat 25, the first fixing plate 18, the second fixing plate 19 and the locking part 9, the adjusting block 2 can slide up and down only by moving the fixing seat 25 up and down, and then the connecting mechanism and the pointer 5 can move up and down, after the pointer 5 reaches a specified point, the adjusting block 2 is fixed on the scale block 3 through the locking part 9, and the model of the thighbone condyle can be directly read out through the indicating line 14 on the fixing seat 25 and the scale line 13 on the scale block 3. Therefore, the adjusting mechanism has simple structure, does not need other auxiliary devices, has high adjusting speed and saves the operation time.
The femoral condyle positioning plate 7 is used for positioning the base during measurement, and is abutted against the femoral posterior condyle during measurement, so that measurement can be performed.
When the adjusting block 2 slides up and down, the first fixing piece 18 slides up and down along the sliding groove 22 on the left side surface, and simultaneously the second fixing piece 19 slides up and down along the sliding groove 22 on the right side surface. The setting of the inserting hole can assemble the femoral condyle measuring device more conveniently.
The setting of elasticity marble can prevent to loosen coupling mechanism and the quick gliding of pointer 5 behind retaining member 9, plays the effect of stabilizing coupling mechanism and pointer 5.
The positioning needle hole 8 is convenient for subsequent operation of knee joint replacement surgery.
The pointer 5 can rotate to facilitate the pointer 5 to indicate a designated position.
The pointer 5 is L-shaped, so that the specific point of the femoral condyle can be conveniently indicated, and scale marks are arranged on the upper surface of the pointer 5 and used for indicating the height of the femoral anterior condyle.
The utility model has simple adjusting structure, no need of other auxiliary devices, fast adjusting speed and convenient adjustment, and can directly select the model of the femoral condyle, thereby saving the operation time; the adjusting block 2 has good fixing effect, and the connecting mechanism and the pointer 5 move stably in the adjusting process, so that the model of the femoral condyle can be determined accurately; it is also possible to give a femoral anterior condyle height value.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (10)
1. A femur external rotation measuring device is characterized by comprising a base, an alignment device, an external rotation angle block and an external rotation shifting block;
the outward turning angle block comprises an outward turning angle control disc, and an arc-shaped adjusting groove is formed in the outward turning angle control disc;
the outward turning shifting block comprises a connecting sheet, and a second bulge is arranged on the connecting sheet;
the alignment device comprises a femoral condyle measuring block, and the femoral condyle measuring block comprises a pointer, a scale block, an adjusting block and a connecting mechanism;
the surface of the scale block is provided with scale marks for representing the model of the femoral condyle along the axial direction;
the adjusting block comprises a fixed seat, a first fixed plate and a second fixed plate which are fixed on one side of the fixed seat, and a locking piece which can sequentially pass through the first fixed plate, the scale block and the second fixed plate to fix the adjusting block on the scale block, the adjusting block can slide up and down along the scale block, and an indicating line for indicating the model of the femoral condyle is arranged on the surface of the adjusting block;
one end of the connecting mechanism is fixed on the fixed seat, and the other end of the connecting mechanism is connected with the pointer;
the outward rotation angle control disc and the connecting sheet can be rotatably connected to the base, the second bulge is arranged in the adjusting groove, and the second bulge can move along the adjusting groove along with the rotation of the outward rotation angle control disc; the scale block is fixedly connected with the connecting sheet.
2. The femoral external rotation measurement device of claim 1, wherein the base comprises a base plate and at least two femoral condyle positioning plates arranged perpendicular to the base plate.
3. The femoral external rotation measuring device according to claim 1, wherein the scale block comprises an installation block and a rectangular block connected with the installation block, the rectangular block is provided with an inner cavity and comprises a front side surface, a rear side surface, a left side surface, a right side surface and a top surface, scale marks are arranged on the front side surface, sliding grooves are correspondingly arranged on the left side surface and the right side surface, the sliding grooves are communicated with a hollow structure of the rectangular block, an insertion hole for inserting the adjusting block is arranged on the rear side surface, and a hole through which the connecting mechanism penetrates is arranged on the top surface; the mounting block is fixedly connected with the connecting sheet.
4. The femoral external rotation measuring device according to claim 3, wherein the mounting block is provided with a mounting hole, the connecting piece is provided with a first protrusion, and the mounting block and the connecting piece are fixedly connected through interference fit between the first protrusion and the mounting hole;
the first bulge and the second bulge are respectively positioned at two ends of the connecting sheet, the first bulge is provided with a connecting hole and a through hole basically, and the connecting sheet is rotatably connected with the substrate through a connecting piece penetrating through the connecting hole and the through hole.
5. The femoral external rotation measurement device of claim 3, wherein the anterior surface is further provided with a damping hole, and an elastic ball is arranged in the damping hole and is in contact with the connecting mechanism.
6. The femoral external rotation measuring device according to any one of claims 1 to 5, wherein the fixing base, the first fixing piece and the second fixing piece are integrally formed, and positioning pin holes are further formed at both ends of the fixing base.
7. The femoral external rotation measuring device according to any one of claims 1 to 5, wherein the locking member comprises a bolt, and the first fixing plate and the second fixing plate are each provided with a fixing hole for engaging with the bolt.
8. A femoral external rotation measurement device according to any one of claims 1 to 5, wherein the connection mechanism comprises a connecting rod.
9. The femoral external rotation measuring device according to any one of claims 1 to 5, wherein the pointer is rotatably connected to the connecting mechanism through a pointer frame, and a scale indicating line is arranged on the upper surface of the pointer frame.
10. A femoral external rotation measuring device according to any one of claims 1 to 5, wherein the pointer is "L" shaped and the upper surface of the pointer is provided with scale markings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772587.6U CN210521149U (en) | 2019-05-27 | 2019-05-27 | Femur external rotation measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772587.6U CN210521149U (en) | 2019-05-27 | 2019-05-27 | Femur external rotation measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210521149U true CN210521149U (en) | 2020-05-15 |
Family
ID=70594149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920772587.6U Active CN210521149U (en) | 2019-05-27 | 2019-05-27 | Femur external rotation measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210521149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081162A (en) * | 2021-04-28 | 2021-07-09 | 北京力达康科技有限公司 | Patellar surface osteotomy measuring device and knee joint gap measuring device |
-
2019
- 2019-05-27 CN CN201920772587.6U patent/CN210521149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081162A (en) * | 2021-04-28 | 2021-07-09 | 北京力达康科技有限公司 | Patellar surface osteotomy measuring device and knee joint gap measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7985226B2 (en) | Distal femoral cutting guide | |
| US9381011B2 (en) | Orthopedic surgical instrument for knee surgery | |
| EP3928720B1 (en) | Distal femoral condyle bone defect osteotomy guide | |
| CN109846528A (en) | Joint replacement surgery assisted location method and system based on inertial navigation | |
| CN111297436A (en) | Knee joint intramedullary positioner | |
| CN112336412A (en) | Osteotomy positioning device | |
| CN210521149U (en) | Femur external rotation measuring device | |
| CN111407471A (en) | Thighbone measuring device | |
| CN104546234A (en) | Thighbone size measuring device | |
| CN211409545U (en) | Thighbone condyle measurer | |
| CN113367765B (en) | Auxiliary osteotomy device for proximal tibia | |
| CN111643195A (en) | Knee joint tissue balancer | |
| CN210811350U (en) | Alignment positioning device for distal end of femoral osteotomy | |
| CN100464717C (en) | Acetabular cup implantation positioning device | |
| CN211270993U (en) | Osteotomy positioning device | |
| CN111759287A (en) | Joint soft tissue balance measuring device | |
| CN107349019B (en) | Improved auxiliary spine minimally invasive surgery path positioning device | |
| CN108354697B (en) | Acetabulum measuring scale | |
| CN107320203B (en) | Auxiliary spine minimally invasive surgery path positioning device | |
| CN216136124U (en) | Femoral valgus positioner | |
| CN215839512U (en) | Femoral external rotation angle verification and positioning device | |
| CN212438754U (en) | Distal bone defect of femoral condyle cuts bone locator | |
| CN212522098U (en) | Thighbone measuring device | |
| CN209018858U (en) | A kind of Tibial osteotomy platform back rake angle correcting device | |
| CN209018877U (en) | A kind of brain support stereotaxic instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |