CN219501132U

CN219501132U - Femur orthopedic angle adjusting frame

Info

Publication number: CN219501132U
Application number: CN202221696327.3U
Authority: CN
Inventors: 李兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2023-08-11
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a femur orthopedic angle adjusting frame, which relates to the technical field of medical equipment and comprises a first chuck for adjusting a Kirschner wire, a second chuck for installing the Kirschner wire and an adjusting assembly for adjusting the distance between the first chuck and the second chuck, wherein the adjusting assembly comprises an adjusting cylinder main body, an extension rod slidingly arranged on the adjusting cylinder and a locking structure for locking the extension rod on the adjusting cylinder main body, the first chuck is rotatably arranged on the adjusting cylinder main body, a fixing piece for limiting the rotation of the first chuck is arranged on the adjusting cylinder main body, the second chuck is fixedly arranged on the extension rod, and a reference structure for observing the rotation angle of the first chuck is arranged on the adjusting cylinder main body at the first chuck. The utility model has the effect of quantifying the torsion angle of the bone and correcting the torsion.

Description

Femur orthopedic angle adjusting frame

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a femur orthopedic angle adjusting frame.

Background

At present, the bone of a human body is easy to cause bone dystopy due to wound or deformity, the clinical treatment mode of the bone dystopy in the prior art adopts a mode of osteotomy correction and steel plate internal fixation, the part needing correction is selected in the operation, the deformity is corrected through osteotomy, and then the fixation of an osteotomy end is carried out; however, the clinical treatment by adopting the internal fixation steel plate requires at least two operations, which is easy to cause scar and has poor repairing effect, so that the correction device is arranged outside the human body to correct bones.

The Chinese patent with publication number of CN211325475U proposes a medical adjusting device for positioning and correcting finger joints, which comprises a sliding block sliding seat, wherein one end of the sliding block sliding seat is fixedly provided with a fixed chuck, the other end of the sliding block sliding seat is slidably provided with a sliding chuck, and the fixed chuck and the sliding chuck are respectively provided with a chuck needle hole for fixing a Kirschner wire. When the finger joint bones are required to be corrected, the fixed chuck and the sliding chuck are driven to be respectively fixed on the Kirschner wires on the two sides of the finger bones, and then the sliding chuck is driven to drive the Kirschner wires and bones on the Kirschner wires to move along the length direction of the sliding seat of the sliding block, so that the intervals of the Kirschner wires respectively fixed on the sliding chuck and the fixed chuck are adjusted, and the finger bones are corrected in the length direction.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: when a human bone is injured, torsion deformation occurs due to torsion generated by rotation of the human body in the healing process, the healed bone is twisted relative to the original bone, and when the first clamping head (sliding clamping head) and the second clamping head (fixed clamping head) move relatively on the adjusting assembly (sliding seat of the sliding block in the document), only displacement in the length direction of the bone can be corrected, and torsion correction of the torsion angle of the bone is difficult to quantify.

Disclosure of Invention

In order to solve the problem that the torsion angle of bones is difficult to quantitatively correct, the utility model provides a femur orthopedic angle adjusting frame.

The utility model provides a femur orthopedic angle adjusting frame which adopts the following technical scheme:

the utility model provides a thighbone orthopedic angle adjustment frame, is including the first chuck that is used for adjusting the kirschner wire, the second chuck that is used for installing the kirschner wire and is used for adjusting first chuck with the adjusting part of second chuck interval, adjusting part includes the adjustment section of thick bamboo main part, slides and sets up extension rod on the adjustment section of thick bamboo and will the extension rod locks locking structure on the adjustment section of thick bamboo main part, first chuck rotates to set up on the adjustment section of thick bamboo main part, be provided with on the adjustment section of thick bamboo main part and be used for restricting first chuck pivoted mounting, the second chuck is fixed to be set up on the extension rod, be provided with in on the adjustment section of thick bamboo main part in first chuck department is used for observing first chuck's rotation angle's reference structure.

According to the technical scheme, according to preoperative planning, the distance between the first chuck and the second chuck is adjusted through the adjusting component, the specific adjusting mode is to drive the extension rod to slide to a proper position on the adjusting cylinder main body, then the extension rod is locked on the adjusting cylinder main body through the locking structure, thereby the distance between the first chuck positioned on the adjusting cylinder main body and the second chuck positioned on the extension rod is adjusted, then the first chuck is rotated, thereby the angles of the first chuck and the second chuck are adjusted to a planned position, the first chuck is fixed on the adjusting cylinder main body through the fixing piece, then the kirschner wire is respectively driven into the femur from the first chuck and the second chuck, the installation of the adjusting frame on the femur is completed, then the femur is broken, the fixing piece is used to release the fixation of the first chuck and rotate the first chuck, the first chuck drives the kirschner wire on the first chuck to rotate, so that the femur of the part inserted by the kirschner wire is driven to rotate relative to the femur, the rotation angle of the first chuck is quantified through observing the reference structure, after the angle of the first chuck is adjusted to the proper position, the fixing piece is used to fix the first chuck to the femur, the two parts of the femur are twisted, and the fracture is difficult to be corrected, and the fracture is fixed, and the fracture is difficult to be completed.

Optionally, the adjusting cylinder main part sets up to the drum, just keep away from the one end of second chuck seals the setting, the mounting is threaded connection adjusting cylinder main part seals the first locking bolt on the end, first chuck is including rotating the cover and establishing first collar and the fixed first cartridge that sets up on the first collar on the adjusting cylinder main part, first collar is kept away from coaxial locking plate that is fixed with on the terminal surface of first chuck, the double-screw bolt part of first locking bolt wears to establish locking plate, and the movable butt of screw head part is in on the locking plate, first cartridge with the length direction of adjusting cylinder main part is the contained angle setting.

Through adopting above-mentioned technical scheme, when needs correct the femur, order about first cartridge butt in the position of presetting on the femur, throw into the femur with the kirschner wire from first cartridge, rotate first collar, the collar rotates and drives first cartridge and the rotation of the kirschner wire in the first cartridge, the rotation of kirschner wire drives the femur part that links to each other rather than rotating, then twist first locking bolt to the locking plate with first collar tip support tightly, make first collar fix in adjusting the section of thick bamboo main part, thereby accomplish the correction process of the torsion angle of femur, improve the torsion angle of skeleton and be difficult to carry out the problem of torsion correction.

Optionally, the reference structure is including setting up on the adjustment cylinder main part in the scale mark of first collar department and fixed connection be in on the terminal surface that first collar is close to the scale mark, the scale mark is followed adjustment cylinder main part circular arc perisporium is laid, the pointer orientation the scale mark sets up.

Through adopting above-mentioned technical scheme, when needs correct the femur, rotate first collar, can observe the position of the directional scale mark of pointer on the collar, quantify the rotation angle of femur through observing the directional scale mark of pointer, improved the accuracy of correcting the femur torsion angle.

Optionally, the second chuck is including sliding the cover and establishing second collar on the extension rod, fixed setting is in the second cartridge on the second collar and threaded connection are in the second locking bolt on the second collar, the second cartridge with the length direction of extension rod is the contained angle setting, the second locking bolt with the perisporium activity butt of extension rod.

Through adopting above-mentioned technical scheme, when needs are fixed femur one end and second chuck, fix the second collar on the extension rod through the second locking bolt earlier, order about the second to insert the needle cylinder butt and predetermine the position on the femur, with the kirschner wire from the second insert the needle cylinder and squeeze into the femur, accomplish the fixed process of second chuck to femur one end to be convenient for first chuck carries out angle modulation to the femur other end, improves the problem that the torsion angle of skeleton is difficult to the quantization and twists reverse correction.

Optionally, the second needle cartridge is adjustably disposed on the second mounting ring along a direction perpendicular to the extension rod.

Through adopting above-mentioned technical scheme, because the thighbone thickness of different people is different, and the shape of thighbone is also different when the degree of deformity is different, before carrying out the thighbone orthopedic, rotate the angle between first cartridge and the second cartridge according to the settlement angle of precalculation, with first cartridge butt in thighbone one end, then adjust the second cartridge perpendicular to extension rod and move to the one end butt that keeps away from first cartridge with the thighbone, thereby carry out the adaptability adjustment to the thighbone of different thickness and shape.

Optionally, the extension rod sets up to the round bar, follow on the extension rod the length direction of extension rod is provided with the adjustment tank, the adjustment tank is followed the radial seting up of extension rod, the adjustment cylinder main part is kept away from the coaxial spacing ring that is fixed with of one end of first chuck, be provided with the stopper on the spacing ring inner wall, the stopper relative slip sets up in the adjustment tank.

Through adopting above-mentioned technical scheme, when referring to the distance between first chuck of length adjustment of femur and the second chuck, in order to avoid the extension rod to make the angle between first cartridge and the second cartridge change in adjusting the barrel main part internal rotation, the extension rod wears to establish the spacing ring through adjustment groove and stopper, and stable the sliding is in adjusting the barrel main part, has reached the extension rod and has kept the effect that the angle is unchangeable between first cartridge and the second cartridge when adjusting the barrel main part relatively and sliding.

Optionally, the locking structure is a third locking bolt screwed on the limiting ring, and the third locking bolt is movably abutted to the peripheral wall of the extension rod.

Through adopting above-mentioned technical scheme, after the extension rod slides suitable position, drive the third locking bolt on the spacing ring rotate to support tightly with the spacing rod perisporium, accomplish the process of fixing the extension rod on the adjustment cylinder main part through the spacing ring.

Optionally, a tightening piece is fixedly connected to the third locking bolt on the first limiting ring, the third locking bolt is threaded through the tightening piece and is connected to the limiting ring, and when the screw portion of the third locking bolt is tightened to the peripheral wall of the extension rod, the head of the third locking bolt is tightened to the peripheral wall of the limiting ring through the tightening piece.

Through adopting above-mentioned technical scheme, for avoiding third locking bolt to appear not hard up to the fixed extension rod, screw up third locking bolt to when supporting tightly with the extension rod, the head of third locking bolt supports tightly on supporting tight piece to make the spacing ring increase through supporting tight piece to the tight area of supporting of the head of third locking bolt, improved the effect that third locking bolt supported tightly to the extension rod.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the method comprises the steps of driving an extension rod to slide to a proper position on an adjusting cylinder main body, locking the extension rod on the adjusting cylinder main body through a locking structure, adjusting the distance between a first chuck arranged on the adjusting cylinder main body and a second chuck arranged on the extension rod, rotating the first chuck, adjusting the angles of the first chuck and the second chuck to a planned position, fixing the first chuck on the adjusting cylinder main body through a fixing piece, driving a Kirschner wire into a femur from the first chuck and the second chuck respectively, completing the installation of an adjusting frame on the femur, breaking the femur, releasing the fixing of the first chuck through the fixing piece, rotating the first chuck, driving the Kirschner wire on the first chuck to rotate, driving a part of femur into which the Kirschner wire is inserted to rotate relative to the femur on the other side, quantifying the rotation angle of the first chuck through observing a reference structure, fixing the first chuck again through the fixing piece after the angle of the first chuck is adjusted to the proper position, fixing the two parts of the femur, completing the correction of the torsion angle of the femur, and improving the problem that the torsion angle of the femur is difficult to quantify the fracture;

2. the first mounting ring is rotated, the position of the pointer of the mounting ring on the scale mark can be observed, the rotation angle of the femur is quantized by observing the scale mark pointed by the pointer, and the accuracy of correcting the torsion angle of the femur is improved;

3. because the thighbone thickness of different people is different, and the shape of thighbone is also different when the degree of deformity is different, before carrying out the thighbone correction, rotate the angle between first cartridge and the second cartridge of first collar adjustment according to the settlement angle of precalculation, with first cartridge butt in thighbone one end, then adjust second cartridge perpendicular to extension rod and move to the one end butt that keeps away from first cartridge with the thighbone to carry out the adaptation to the thighbone of different thickness and shape.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic view showing a first mounting ring, a first cartridge, a first locking bolt, a reference structure, an adjustment cylinder body, an extension cylinder, and a stopper ring according to a first embodiment of the present utility model.

Fig. 3 is an enlarged partial schematic view of the portion a in fig. 2.

Fig. 4 is a cross-sectional view of the adjustment cylinder body, the locking structure, the connecting ring, and the extension rod in the second embodiment of the present utility model.

Reference numerals: 1. an adjustment cylinder body; 2. an extension rod; 3. a limiting ring; 4. a first chuck; 41. a first mounting ring; 42. a first locking bolt; 43. a first cartridge; 5. a second chuck; 51. a second mounting ring; 52. a second locking bolt; 53. a second cartridge; 6. a fixing seat; 7. a mounting sleeve; 8. a tightening piece; 9. a third locking bolt; 10. a limiting block; 11. an adjustment tank; 12. scale marks; 13. a pointer; 14. a rotating ring; 15. adjusting the ring groove; 16. an internal thread cylinder; 17. an annular block; 18. an annular chute; 19. a slip groove; 20. a sliding block; 21. a connecting ring; 22. a locking plate; 23. a stepped hole; 24. adjusting the square cylinder; 25. adjusting the square rod; 26. and (5) fastening a bolt.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

Embodiment one:

the embodiment of the utility model discloses a femur orthopedic angle adjusting frame. Referring to fig. 1, the femoral orthopaedic angle adjustment frame includes a first jaw 4 for adjusting a k-wire, a second jaw 5 for installing the k-wire, and an adjustment assembly for adjusting a distance between the first jaw 4 and the second jaw 5, the adjustment assembly includes an adjustment cylinder body 1, an extension rod 2 slidably disposed on the adjustment cylinder, and a locking structure for locking the extension rod 2 on the adjustment cylinder body 1, the adjustment cylinder body 1 is configured as a cylinder, and one end is configured as a closed, the extension rod 2 is configured as a round rod, the first jaw 4 is rotatably disposed on a closed end of the adjustment cylinder body 1, a fixing member for restricting rotation of the first jaw 4 is disposed on the adjustment cylinder body 1, the second jaw 5 is fixedly disposed on the extension rod 2, and a reference structure for observing a rotation angle of the first jaw 4 is disposed on the adjustment cylinder body 1 at the first jaw 4.

In order to prevent the extension rod 2 from rotating in the adjustment cylinder body 1 such that the angle between the first and second needle cylinders 43 and 53 is changed, referring to fig. 2, an adjustment groove 11 is provided in the extension rod 2 along the length direction of the extension rod 2, and the adjustment groove 11 is opened in the radial direction of the extension rod 2 and is located at one end opening in the adjustment cylinder body 1. The one end that first chuck 4 was kept away from to regulation section of thick bamboo main part 1 is coaxial to be fixed with spacing ring 3, and spacing ring 3 internal diameter is unanimous with regulation section of thick bamboo main part 1 internal diameter, and spacing ring 3 external diameter is greater than regulation section of thick bamboo main part 1 external diameter, and spacing ring 3 and regulation section of thick bamboo main part 1 are coaxial to be fixed in the one end that first chuck 4 was kept away from to regulation section of thick bamboo main part 1. The limiting block 10 is fixedly connected to the inner wall of the limiting ring 3, the length of the limiting block 10 is identical to that of the limiting ring 3, the limiting block 10 is matched with the adjusting groove 11 in a sliding mode, the extending rod 2 penetrates through the limiting ring 3 in a sliding mode through the adjusting groove 11 and the limiting block 10, and one end, far away from the second clamping head 5, of the extending rod 2 is located in the adjusting cylinder body 1.

Referring to fig. 1 and 2, a locking threaded hole is formed in the limiting ring 3, the locking threaded hole is formed in the limiting ring 3 in a penetrating manner in the radial direction, the limiting ring 3 is fixedly connected with a supporting piece 8 at the locking threaded hole, the locking structure is formed in a manner that the supporting piece 8 is penetrated and arranged through a third locking bolt 9 which is connected to the limiting ring 3 through the locking threaded hole in a threaded manner, and the third locking bolt 9 is movably abutted to the peripheral wall of the extension rod 2. When the screw portion of the third locking bolt 9 abuts against the peripheral wall of the extension rod 2, the head of the third locking bolt 9 abuts against the peripheral wall of the retainer ring 3 through the abutting piece 8.

When the distance between the first clamping head 4 and the second clamping head 5 needs to be adjusted, an operator drives the extension rod 2 to directionally slide in the limiting ring 3 and the adjusting cylinder main body 1 through the limiting block 10 and the adjusting groove 11, when the extension rod 2 is adjusted to a proper position, the third locking bolt 9 is driven to move towards the direction close to the extension rod 2, the screw rod part of the third locking bolt 9 abuts against the peripheral wall of the extension rod 2, meanwhile, the head part of the third locking bolt 9 abuts against the abutting piece 8, and the adjustment process of the distance between the first clamping head 4 and the second clamping head 5 is completed.

Referring to fig. 1 and 2, the second chuck 5 includes a second mounting ring 51 slidably fitted over the extension rod 2, a second cartridge body 53 provided on the second mounting ring 51, and a second locking bolt 52 screw-coupled to the second mounting ring 51. The second locking bolt 52 radially penetrates the second mounting ring 51 along the second mounting ring 51 and movably abuts against the extension rod 2. In order to facilitate the adjustment of the position of the second needle cylinder 53, the second mounting ring 51 is fixedly connected with an adjusting square cylinder 24, the outer side wall of the adjusting square cylinder 24 is fixedly connected with the circular arc peripheral wall of the second mounting ring 51, the length direction of the adjusting square cylinder 24 is perpendicular to the extension rod 2, the adjusting square cylinder 24 is slidably connected with an adjusting square rod 25, one end of the adjusting square rod 25 away from the adjusting square cylinder 24 is vertically fixed with a mounting sleeve 7, the second needle cylinder 53 penetrates through the mounting sleeve 7 and is fixed with the mounting sleeve 7, the side surface of the adjusting square cylinder 24 away from the adjusting cylinder main body 1 is connected with a fastening bolt 26 in a threaded manner, the fastening bolt 26 penetrates through the side wall of the adjusting square cylinder 24 to be abutted against the side wall of the adjusting square rod 25,

referring to fig. 2 and 3, the fixing member is provided as a first locking bolt 42 screwed on the closed end of the adjustment cylinder body 1, and the first chuck 4 includes a first mounting ring 41 rotatably fitted over the adjustment cylinder body 1 and a first cartridge holder 43 fixedly provided on the first mounting ring 41. An adjusting ring groove 15 is formed in one end, far away from the second chuck 5, of the adjusting cylinder main body 1, the adjusting ring groove 15 is formed in the radial direction of the adjusting cylinder main body 1, a rotating ring 14 is coaxially fixed on the inner wall of the first mounting ring 41, and the rotating ring 14 is rotatably arranged on the adjusting cylinder main body 1 through the adjusting ring groove 15; the first mounting ring 41 is fixedly connected with a fixed seat 6, the first needle cylinder 43 is penetrated and fixed on the fixed seat 6, and the first needle cylinder 43 is arranged perpendicular to the length direction of the adjusting cylinder main body 1; the end of the first mounting ring 41 far away from the second chuck 5 is fixed with a locking plate 22, the locking plate 22 is arranged as a circular plate, the locking plate 22 and the first mounting ring 41 are coaxially arranged, the diameter of the locking plate is consistent with the outer diameter of the first mounting ring 41, the locking plate 22 is coaxially provided with a stepped hole 23, and a first locking bolt 42 penetrates through the stepped hole 23 along the axial direction of the locking plate 22 and is in threaded connection with the closed end of the adjusting cylinder body 1. When the operator adjusts the angle, he needs to fix the first mounting ring 41 on the adjusting cylinder body 1 relatively, screw the first locking bolt 42 until it abuts against the locking plate 22 at the stepped hole 23.

In order to improve the accuracy of correcting the femur torsion angle by the operator, referring to fig. 2 and 3, the reference structure includes a scale mark 12 disposed on the adjusting cylinder body 1 at the first mounting ring 41 and a pointer 13 fixedly connected to the end surface of the first mounting ring 41 near the scale mark 12, the scale mark 12 is disposed along the circular arc circumferential wall of the adjusting cylinder body 1, and the pointer 13 is disposed toward the scale mark 12. Under the combined action of the adjusting ring groove 15 and the rotating ring 14, the pointer 13 on the first mounting ring 41 rotates along the arrangement direction of the scale marks 12, so that an operator can observe scales conveniently when adjusting angles.

The implementation principle of the femur orthopedic angle adjusting frame in the first embodiment of the utility model is as follows: the operator adjusts the extension rod 2 to a proper position on the adjusting cylinder body 1 according to the preoperative plan, fixes the extension rod 2 on the adjusting cylinder body 1 through the third locking bolt 9, abuts the first needle cylinder 43 and the second needle cylinder 53 on the calculated positions on the femur respectively, and then drives the k-wire into the femur from the first needle cylinder 43 and the second needle cylinder 53 respectively.

Then breaking the femur from between the first needle cylinder 43 and the second needle cylinder 53, rotating the first mounting ring 41 and observing the change of the scale pointed by the pointer 13, so that the first mounting ring 41 rotates by a calculated angle, then fixing the first mounting ring 41 on the adjusting cylinder main body 1 through the first locking bolt 42, completing the correction process of the femur angle, and finally fixing the fracture of the femur, completing the correction process of the femur deformity.

Embodiment two:

referring to fig. 4, the second embodiment differs from the first embodiment in the manner of adjustment of the distance between the first chuck 4 and the second chuck 5 and the locking structure. The extension rod 2 is a hollow round rod, an annular chute 18 is formed in the circumferential wall of one end, close to the second chuck 5, of the adjusting cylinder main body 1 along the radial direction of the adjusting cylinder main body 1, a connecting ring 21 is arranged on the adjusting cylinder main body 1 at the annular chute 18, an annular block 17 is coaxially fixed on the inner wall of the connecting ring 21, and the annular block 17 is rotatably arranged on the adjusting cylinder main body 1 through the annular chute 18; the locking structure is arranged as an internal thread cylinder 16, the internal thread cylinder 16 is coaxially fixed with the connecting ring 21, and the internal thread cylinder 16 is rotatably arranged at one end of the adjusting cylinder main body 1 far away from the first chuck 4 through an annular block 17 and an annular chute 18 on the connecting ring 21; the extension rod 2 is in spiral fit with the internal thread cylinder 16, a sliding groove 19 which is distributed along the length direction of the extension rod is formed in the inner wall of the adjusting cylinder body 1, a sliding block 20 which is in plug-in fit with the adjusting groove 11 is fixedly connected to the end face of the extension rod 2, which is located in the adjusting cylinder body 1, and the extension rod 2 is arranged on the adjusting cylinder body 1 in a sliding manner through the sliding block 20 and the sliding groove 19.

The implementation principle of the femur orthopedic angle adjusting frame in the second embodiment of the utility model is as follows: when the distance between the first chuck 4 and the second chuck 5 needs to be adjusted, the extension rod 2 cannot rotate relative to the adjustment cylinder body 1 under the combined action of the sliding groove 19 and the sliding block 20, so when an operator drives the internal thread cylinder 16 to rotate on the adjustment cylinder body 1 through the connecting ring 21, the extension rod 2 slides in the adjustment cylinder body 1 along the length direction of the adjustment cylinder body 1 under the action of threads, when the distance between the first chuck 4 and the second chuck 5 is adjusted, the rotation of the internal thread cylinder 16 is stopped, and the internal thread cylinder 16 fixes the extension rod 2 on the adjustment cylinder body 1 through threads.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A femoral orthopaedic angle adjustment jig comprising a first collet (4) for adjusting a k-wire, a second collet (5) for mounting a k-wire and an adjustment assembly for adjusting the spacing between the first collet (4) and the second collet (5), characterized in that: the adjusting component comprises an adjusting cylinder main body (1), an extending rod (2) arranged on the adjusting cylinder in a sliding mode and a locking structure for locking the extending rod (2) on the adjusting cylinder main body (1), wherein the first clamping head (4) is rotatably arranged on the adjusting cylinder main body (1), a fixing piece used for limiting the rotation of the first clamping head (4) is arranged on the adjusting cylinder main body (1), the second clamping head (5) is fixedly arranged on the extending rod (2), and a reference structure used for observing the rotation angle of the first clamping head (4) is arranged at the position of the first clamping head (4) on the adjusting cylinder main body (1).

2. The femoral orthopaedic angle adjustment of claim 1, wherein: the adjusting cylinder body (1) is arranged to be a cylinder, one end of the adjusting cylinder body, which is far away from the second chuck (5), is sealed, the fixing piece is in threaded connection with a first locking bolt (42) on the sealed end of the adjusting cylinder body (1), the first chuck (4) comprises a first mounting ring (41) which is rotatably sleeved on the adjusting cylinder body (1) and a first plug cylinder (43) which is fixedly arranged on the first mounting ring (41), the first mounting ring (41) is far away from a locking plate (22) fixedly connected with the end face of the first chuck (4), a stud part of the first locking bolt (42) penetrates through the locking plate (22), the stud part is movably abutted to the locking plate (22), and the first plug cylinder (43) and the length direction of the adjusting cylinder body (1) are arranged at an included angle.

3. The femoral orthopaedic angle adjustment of claim 2, wherein: the reference structure comprises scale marks (12) arranged on the adjusting cylinder main body (1) and located at the first mounting ring (41) and pointers (13) fixedly connected to the end faces, close to the scale marks (12), of the first mounting ring (41), the scale marks (12) are distributed along the circular arc peripheral wall of the adjusting cylinder main body (1), and the pointers (13) are arranged towards the scale marks (12).

4. The femoral orthopaedic angle adjustment of claim 1, wherein: the second chuck (5) is including sliding the cover and establishing second collar (51) on extension rod (2), set up second cartridge (53) on second collar (51) and threaded connection are in second locking bolt (52) on second collar (51), second cartridge (53) with the length direction of extension rod (2) is the contained angle setting, second locking bolt (52) with the perisporium activity butt of extension rod (2).

5. The femoral orthopaedic angle adjustment of claim 4, wherein: the second needle cartridge (53) is adjustably mounted on the second mounting ring (51) in a direction perpendicular to the extension rod (2).

6. The femoral orthopaedic angle adjustment of claim 1, wherein: extension rod (2) set up to the round bar, follow on extension rod (2) the length direction of extension rod (2) is provided with adjustment tank (11), adjustment tank (11) are followed the radial seting up of extension rod (2), adjust barrel body (1) keep away from the one end coaxial fixed with spacing ring (3) of first chuck (4), be provided with stopper (10) on spacing ring (3) inner wall, stopper (10) relative slip sets up in adjustment tank (11).

7. The femoral orthopaedic angle adjustment of claim 6, wherein: the locking structure is a third locking bolt (9) which is connected to the limiting ring (3) in a threaded mode, and the third locking bolt (9) is movably abutted to the peripheral wall of the extension rod (2).

8. The femoral orthopaedic angle adjustment of claim 7, wherein: the limiting ring (3) is fixedly connected with a tight piece (8) at a third locking bolt (9), the third locking bolt (9) is penetrated by the tight piece (8) in a threaded connection mode on the limiting ring (3), when the screw rod part of the third locking bolt (9) is tightly abutted on the peripheral wall of the extension rod (2), the head part of the third locking bolt (9) is tightly abutted on the peripheral wall of the limiting ring (3) through the tight piece (8).