CN215349390U

CN215349390U - Guider with improved structure for orthopedic surgery

Info

Publication number: CN215349390U
Application number: CN202120148020.9U
Authority: CN
Inventors: 吴晓峰
Original assignee: Kunshan Traditional Chinese Medicine Hospital
Current assignee: Kunshan Traditional Chinese Medicine Hospital
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-31
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a guider with improved structure for orthopedic surgery, which comprises a positioning rod, a guide pin positioning piece, a guide pin inserting plate, an inserting plate positioning piece and an inserting plate support, wherein at least two guide pin positioning pieces are fixedly arranged on the positioning rod at intervals along the axial direction of the positioning rod, the guide pin positioning piece can fixedly position a bone guide pin on the positioning rod, the inserting plate support can be fixed at one end of the positioning rod, the guide pin inserting plate is hinged on the inserting plate support, the inserting plate positioning piece can fixedly position the guide pin inserting plate and the inserting plate support at any angle, a plurality of guide pin inserting holes are distributed on the guide pin inserting plate in a matrix state, a guide pin inserting tube is fixedly arranged on the guide pin inserting plate, the guide pin inserting tube and the guide pin inserting holes are axially arranged in parallel, a bone guide pin can be inserted in the guide pin inserting tube, and the bone guide pin in the guide pin inserting tube can be higher than the surface of a human body, the utility model has simple structure, can simulate the bone guide pin inserting position in vitro, and realize accurate bone guide pin inserting, the efficiency of the coaptation operation is improved, the fracture risk in the coaptation process has been reduced, be favorable to postoperative healing.

Description

Guider with improved structure for orthopedic surgery

Technical Field

The utility model relates to a medical auxiliary instrument, in particular to a guide device with an improved structure for orthopedic surgery.

Background

When the situations such as fracture and the like occur, orthopedic surgery needs to be carried out, when the situations such as fracture and bone fissure occur at the bone end part, the surgery needs to be carried out, at present, the skin at the bone end part of a human body is cut firstly, then the round head part of the bone end exposed outside after the cut is positioned by a bone guide needle for adjustment and positioning, then the cut is driven into a nail for positioning and bone setting at the part needing nailing, the operation leads the skin tissue of the human body to be opened for a plurality of times, and the suture is needed after the surgery, the mode is easy to infect, after the surgery, a wounded person needs to be treated by anti-infection for a long time, a large scar is left on the surface of the human body after the suture, the beauty is influenced, the surgery time is long due to the cut and the suture are needed in the surgery process, and when the bone guide needle is driven to the round bone end, the accurate nailing of the bone guide needle is difficult to realize due to the round surface, the deviation is easy to occur in the process of bone guide needle punching, the operation needs to be carried out on the bone end through the bone guide needle, the bone end is small in size, particularly, the female bone end is smaller, the fracture is easy to occur due to the fact that the bone guide needle is punched in a large number, and the operation risk is large.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides the guide device for the orthopedic surgery with the improved structure, which is matched with an X-ray fluoroscopy machine for use, can simulate the bone guide needle nailing position outside skin, ensures that the accurate operation can be carried out in the bone end bone setting process, does not need to cut skin tissues, improves the bone setting accuracy and the bone setting efficiency, reduces the operation risk, avoids skin wound infection and causes little wound to the body of a patient.

The utility model adopts the technical scheme for solving the technical problems that: a structure improved guider for orthopedic surgery comprises a positioning rod, a guide pin positioning piece, a guide pin inserting plate, an inserting plate positioning piece and an inserting plate support, wherein at least two guide pin positioning pieces are arranged on the positioning rod at intervals along the axial direction of the positioning rod, each guide pin positioning piece can be used for fixedly positioning a bone guide pin crossed with the positioning rod, the inserting plate support can be fixedly positioned at one end of the positioning rod, the guide pin inserting plate is hinged on the inserting plate support, the inserting plate positioning piece can keep the guide pin inserting plate at any angle to be fixedly positioned with the inserting plate support, a plurality of guide pin inserting holes capable of inserting bone guide pins are distributed on the guide pin inserting plate in a matrix state, a guide pin inserting tube is fixedly arranged on the guide pin inserting plate, the guide pin intubate and the guide pin jack axial parallel arrangement on the guide pin picture peg, can insert in the guide pin intubate and establish the bone guide pin, and the interior bone guide pin of guide pin intubate can be higher than human surface.

As a further improvement of the utility model, a positioning sleeve axially extending along the width direction of the guide pin inserting plate is fixedly arranged on the guide pin inserting plate, an extension rod is inserted into the positioning sleeve in a locking and axially sliding manner in the circumferential direction, a locking device is further arranged on the positioning sleeve, the locking device can fix and position the extension rod with the positioning sleeve at any position, and the guide pin inserting tube is fixedly arranged on the extension rod.

As a further improvement of the utility model, the guide pin inserting tube is provided with a guide pin locking device, and the guide pin locking device can fix and position the guide pin in the guide pin inserting tube and the guide pin inserting tube.

As a further improvement of the utility model, the positioning rod comprises an inner rod, an outer tube and an inner rod positioning piece, wherein the inner rod can be slidably inserted into the outer tube, and the inner rod positioning piece can keep the inner rod to be fixedly positioned with the outer tube at any position.

As a further improvement of the utility model, the inner rod is a round rod, the inner side of the outer tube and the round hole are arranged, at least one first threaded hole is arranged on the side wall of the outer tube at intervals, the first threaded hole is communicated with the inner side of the outer tube, the inner rod positioning piece is a first bolt screwed in the threaded hole, and the end part of the first bolt can tightly abut against the outer side surface of the inner rod.

As a further improvement of the utility model, the guide pin positioning piece comprises a guide pin positioning insertion tube and a second bolt, the guide pin positioning insertion tube is fixedly arranged on the outer side wall of the positioning rod, the axial direction of the guide pin positioning insertion tube is axially crossed with the axial direction of the positioning rod, the bone guide pin can be inserted into the guide pin positioning insertion tube, at least one threaded hole is arranged on the side wall of the guide pin positioning insertion tube, the second bolt is screwed in the threaded hole on the side wall of the guide pin positioning insertion tube, and the end part of the second bolt can tightly abut against the bone guide pin in the guide pin positioning insertion tube.

As a further improvement of the utility model, one end of the positioning rod is fixedly provided with a hinge joint, the hinge joint is hinged and connected with the inserting plate support, the hinge joint is also provided with a stopping positioning piece, and the stopping positioning piece can keep the inserting plate support and the hinge joint to be fixedly positioned in any counting way.

As a further improvement of the utility model, the plate inserting support comprises an adjusting rod, two connecting pieces can be respectively and fixedly positioned at two axial ends of the adjusting rod, the two connecting pieces and the adjusting rod form a U-shaped structure together, a guide sleeve is sleeved on the outer side of the adjusting rod in an axially slidable and circumferential direction in a rotatable manner, a connecting piece extending along the radial direction is arranged on the guide sleeve, the connecting piece is hinged and connected with a hinged shaft, at least one threaded hole is formed in the side wall of the guide sleeve, a third bolt is movably screwed in the threaded hole, and the end part of the third bolt can tightly abut against the circumferential outer side wall of the adjusting rod.

As a further improvement of the utility model, two opposite side walls of the guide pin plugboard are respectively and coaxially and fixedly provided with a boss, the boss is coaxially and fixedly provided with a stud, a connecting piece of the plugboard bracket is provided with a hinged through hole, the stud on the side wall of the guide pin plugboard is correspondingly inserted into the hinged through hole, the plugboard bracket is also provided with a nut, the nut is in threaded connection with the stud, and the connecting piece can be tightly clamped between the boss and the nut.

As a further improvement of the utility model, the axial direction of the guide pin jack on the guide pin inserting plate and the axial direction of the guide pin inserting tube form an included angle of 45 degrees with the surface of the guide pin inserting plate.

The utility model has the beneficial effects that: the utility model positions a positioning rod and a straight bone part with bone end fracture through a bone guide pin, connects a universal guider and a human straight bone into a stable whole, can judge whether the insertion angle of the bone guide pin in the guide pin inserting plate is optimal or not through adjusting the guide pin inserting plate on the positioning rod under the assistance of an X-ray fluoroscopy machine, ensures that the insertion angle of the in-vitro bone guide pin for simulation in the guide pin inserting plate is vertically opposite to the bone end in the X-ray fluoroscopy machine according to the image of the bone guide pin in the guide pin inserting plate in the X-ray fluoroscopy machine, avoids the insertion angle deviation when the bone guide pin in the guide pin inserting plate is inserted into the bone end, influences the bone-knitting effect, avoids the error and re-insertion of the in-vivo bone guide pin angle, reduces the pain of a patient, and ensures that the angle of the guide pin inserting plate is adjusted to a proper angle through the outside of the body, the bone conduction needle is accurately nailed into the bone end to carry out the operation, the bone conduction needle is simple in structure, the bone conduction needle can be accurately nailed into the round bone of the bone end to carry out the bone fracture, the bone conduction needle is prevented from being concentrated at the bone end part, the non-incision bone fracture can be realized, the skin wound infection is avoided, the bone fracture operation efficiency is improved, the bone fracture risk in the bone fracture process is reduced, the postoperative healing efficiency is improved, and scars left on the surface of a human body after the operation are extremely small.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of the portion M in FIG. 2;

fig. 5 is a top view of the present invention.

Detailed Description

Example (b): a structure improved guider for orthopedic surgery comprises a positioning rod, a guide pin positioning piece, a guide pin inserting plate 1, inserting plate positioning pieces and an inserting plate support, wherein at least two guide pin positioning pieces are arranged on the positioning rod at intervals along the axial direction of the positioning rod, each guide pin positioning piece can be used for fixedly positioning a bone guide pin crossed with the positioning rod, the inserting plate support can be fixedly positioned at one end of the positioning rod, the guide pin inserting plate 1 is hinged on the inserting plate support, the inserting plate positioning piece can keep the guide pin inserting plate 1 at any angle to be fixedly positioned with the inserting plate support, a plurality of guide pin jacks 2 capable of inserting bone guide pins are distributed on the guide pin inserting plate 1 in a matrix state, fixed a guide pin intubate 15 that is equipped with on the guide

pin picture peg

1, 2 axial parallel arrangements in the guide pin jack on guide pin intubate 15 and the guide pin picture peg 1 can insert in the guide pin intubate 15 and establish the bone guide pin, and the bone guide pin can be higher than human surface in the guide pin intubate 15.

When the operation of the femoral head and neck part is carried out, at least two bone guide needles are firstly installed on a positioning rod, then the bone guide needles are directly nailed into the femur (such as thigh femoral stem), the bone guide needles nailed into the femoral stem and the positioning rod are fixedly positioned through a guide needle positioning part, so that the fixed positioning of the positioning rod and the human body is realized, then the bone guide needles are inserted into a guide needle insertion tube 15, the bone guide needles in the guide needle insertion tube 15 are higher than the surface of the human body, the position relation between the bone guide needles in the guide needle insertion tube 15 and the femoral head and neck part is checked through a movable X-ray fluoroscopy machine, a plate support and a plate are adjusted, so that the projection of the bone guide needles in the guide needle insertion tube 15 is aligned with the femoral head and neck part to be nailed, at the moment, the guide needle insertion plate 1 is fixed, the bone guide needles are inserted into a proper guide needle insertion hole 2 of the plate, the bone guide needles are right aligned with the femoral head and neck end to be nailed, and the bone guide needles are nailed into the femoral head and neck part to be nailed, when the device is adopted to carry out bone end coaptation operation, the nailing state can be simulated through the in vitro bone guide pin, the condition that the bone guide pin on the guide pin inserting plate 1 is not aligned due to angle deviation when the bone guide pin is nailed into the head and neck of the femur is avoided, the condition that the bone guide pin is nailed repeatedly is avoided, the accurate nailing of the bone guide pin on the guide pin inserting plate 1 into the head and neck of the femur is facilitated, the device does not need to cut the epidermis of a human body when carrying out orthopedic operation, the bone guide pin can directly and accurately determine the needle inserting point and the needle inserting angle according to the perspective condition of a movable X-ray perspective machine and is nailed into the head and neck of the femur through skin and soft tissue, in the process of nailing the bone guide pin into the head and neck of the femur, because the positioning rod is fixed with the femoral head part needing coaptation, the bone guide pin on the guide pin inserting plate 1 is limited by the guide pin inserting hole 2 on the inserting plate and can not deviate in the nailing process, the accurate nailing position of the bone guide pin when the head and neck of the human femur is ensured, in addition, the mode avoids cutting the skin and soft tissues of a human body, greatly reduces surgical wounds and bleeding, improves the surgical efficiency, reduces the risk of skin tissue infection, effectively determines the needle feeding point before the bone guide needle is driven into the bone guide needle, thereby effectively reducing the number of times of penetration when the bone guide needle is driven into the bone end, avoiding the bone strength reduction and even bone fracture caused by too many times of driving of the bone guide needle into the bone end, and obviously reducing the surgical risk index.

Fixed position sleeve 16 that is equipped with the axial and extends along 1 width direction of guide pin picture peg on the guide

pin picture peg

1, 16 interior circumferencial direction locking of position sleeve and axial can gliding insert and be equipped with extension rod 17, still be equipped with locking device 18 on the position sleeve 16, locking device 18 can be with extension rod 17 at optional position and 16 fixed positioning of position sleeve, guide pin 15 fixed mounting on extension rod 17. According to the thickness situation of the human bone-knitting position, the position of the extension rod 17 is adjusted, so that the bone-knitting needle in the guide pin insertion tube 15 is just positioned outside the human body for simulation, the bone-knitting needle is prevented from puncturing human tissues, the bone-knitting simulation requirements of different body types and different positions are met, the locking device 18 on the positioning sleeve 16 can be a screw in threaded connection with the positioning sleeve 16, the side wall of the extension rod 17 is propped against the side wall of the extension rod 17 through the end part of the screw, the axial stop positioning of the extension rod 17 is realized, in addition, the outer side wall of the positioning sleeve 16 can be a conical sleeve, an opening seam is formed on the side wall of the conical sleeve, the locking device 18 is a conical nut 13 sleeve in threaded connection with the positioning sleeve 16, the conical nut 13 sleeve and the positioning sleeve 16 are matched through a conical surface to realize the clamping and positioning of the extension rod, in addition, a plurality of positioning holes which are axially arranged at intervals can be arranged on the positioning sleeve 16, different positioning holes are connected with the through the positioning pins to realize the axial position adjustment and positioning of the extension rod 17, this is readily apparent to one skilled in the art from this patent and is within the scope of this patent.

The guide pin 15 is provided with a guide pin locking device 19, and the guide pin locking device 19 can fix and position the guide pin in the guide pin 15 and the guide pin 15. After the bone guide needle is inserted into the guide pin insertion tube 15, the guide pin locking device 19 is used to position the bone guide needle, so as to prevent the bone guide needle from falling or shaking during the adjustment process, and the guide pin locking device 19 may also be a screw, a conical nut 13 sleeve and a matching structure of a positioning pin and a positioning hole, which can be easily conceived by those skilled in the art according to the present patent and belong to the protection scope of the present patent.

The positioning rod comprises an inner rod 3, an outer tube 4 and an inner rod positioning piece, wherein the inner rod 3 can be inserted into the outer tube 4 in a sliding mode, and the inner rod positioning piece can keep the inner rod 3 to be fixedly positioned with the outer tube 4 at any position. The locating lever passes through interior pole 3 and the cooperation of outer tube 4, the tensile demand of length has been realized, after the locating lever was fixed a position on the femoral shaft, can realize the regulation of guide pin picture peg 1 front and back position through pole 3 in the tensile, can also rotate interior pole 3, realize the regulation of guide pin picture peg 1 and human angle, and then adapt to the demand that the different angles of bone end nailed the bone guide pin, after suitable position is adjusted to guide pin picture peg 1 position, can be through interior pole setting element with interior pole 3 and outer tube 4 fixed positioning, form a body structure with the two.

Interior pole 3 is the round bar, and 4 inboard and round holes of outer tube are equipped with at least one first screw hole of spaced on 4 lateral walls of outer tube, first screw hole and 4 inboard intercommunications of outer tube, interior pole setting element are spiro union in threaded hole's

first bolt

5, and 3 outside surfaces in the pole can tightly be supported to 5 tip of first bolt. Realize the top of first bolt 5 and interior pole 3 tightly or loosen through threaded connection structure, convenient location, it is convenient to adjust, for improving the regulation convenience, first bolt 5 best sets up the handle at the head, during the regulation, can be with the help of hardware and tools, can easily adjust with the hand, except adopting bolt top tightly to realize interior pole 3 and outer tube 4 location structure, can pass through the tight mode of taper sleeve clamp, if form a toper screw tube portion on outer tube 4, can realize outer tube 4 and interior pole 3 through the toper swivel nut that matches with it and press from both sides tight location, this for the equivalent replacement structure that technical staff in the field thought very easily according to this patent, belong to this patent protection range, interior pole 3 can rotate with outer tube 4 relatively for the round bar, realize the regulation at front and back inclination.

The guide pin setting element includes guide pin location intubate 6 and

second bolt

7, 6 fixed mounting of guide pin location intubate are on the locating lever lateral wall, and 6 axial and locating lever axial intersection of guide pin location intubate, bone guide needle can insert and locate in 6 of guide pin location intubate, be equipped with at least one screw hole on 6 lateral walls of guide pin location intubate, second bolt 7 spiro union is downthehole in the screw thread of 6 lateral walls of guide pin location intubate, and 7 tip of second bolt can tightly support the bone guide pin in 6 of guide pin location intubate. Adopt bone guide needle to nail into femoral shaft when carrying out the locating lever location, can insert in guide pin location intubate 6 bone guide needle earlier, then nail into the thighbone cadre, lock second bolt 7 at last, make bone guide needle and 6 fixed positioning of guide pin location intubate, make the structure be convenient for operate and adjust the location, furthermore, can also set up the clamping device that the opening contracts on the locating lever and come fixed positioning bone guide needle, this for the replacement structure of equating that this technical personnel of the field think very easily according to this patent, belong to this patent protection scope, guide pin location intubate 6 sets up with the locating lever best perpendicularly, be convenient for realize in the bone guide pin vertical positioning thighbone cadre bone, improve and nail into the firmness, reduce the length in skin tissue, to different thighbone shapes, can allow to have the contained angle with the locating lever.

The fixed articulated head 20 that is equipped with of locating lever one end, articulated head 20 links to each other with the picture peg support is articulated, still be equipped with the locking setting element on the articulated head 20, the locking setting element can keep picture peg support and articulated head 20 at arbitrary count fixed positioning. The articulated head 20 is preferably integrally arranged on the inner rod 3 and is articulated with the inserting plate bracket through the articulated head 20, so that the position of the inserting plate can be adjusted in an up-and-down inclined mode.

The picture peg support is including adjusting pole 8, and two connection pieces 9 can fixed positioning respectively and adjust 8 axial both ends of pole, and two connection pieces 9 form the U-shaped structure with adjusting pole 8 jointly, adjusts 8 outside axial can slide and the circumferencial direction can pivoted cover and be equipped with a uide bushing 14, is equipped with a connection piece 9 along radial extension on the uide bushing 14, connection piece 9 links to each other with the articulated shaft is articulated, is equipped with at least one screw hole on the uide bushing 14 lateral wall, the downthehole activity spiro union of screw thread has third bolt 10, and third bolt 10 tip can tightly support and adjust 8 circumference lateral walls of pole. The inserting plate support forms a U-shaped structure, the height adjustment of the guide pin inserting plate 1 can be realized by axially sliding the adjusting rod 8 in the guide sleeve 14 at one end of the positioning rod, the adjustment of the distance between the guide pin inserting plate 1 and a human body and the adjustment of a front inclination angle and a rear inclination angle can also be realized by rotating the adjusting rod 8, and the optimal head part of the third bolt 10 is provided with a handle which is convenient for positioning and loosening the adjusting rod 8.

The guide pin inserting plate comprises a guide pin inserting plate 1, wherein two opposite side walls of the guide pin inserting plate 1 are respectively and coaxially and fixedly provided with a boss 11, a stud 12 is coaxially and fixedly arranged on the boss 11, a connecting piece 9 of an inserting plate support is provided with a hinged through hole, the stud 12 on the side wall of the guide pin inserting plate 1 is correspondingly inserted into the hinged through hole, a nut 13 is further arranged, the nut 13 is in threaded connection with the stud 12, and the connecting piece 9 can be tightly clamped between the boss 11 and the nut 13.

The stud 12 on the guide pin inserting plate 1 rotates in the hinged through hole of the connecting sheet 9 to realize the adjustment of the included angle between the guide pin inserting plate 1 and the inserting plate, and further the direction of the insertion bone end of the bone guide pin is adjusted, after the adjustment is completed, the fixing and positioning of the guide pin inserting plate 1 and the inserting plate support can be realized through the locking of the nut 13, the best nut 13 is the nut 13 with a handle, the operation is convenient, and a friction gasket can be arranged between the lug boss 11 on the side wall of the guide pin inserting plate 1 and the connecting sheet 9.

And an included angle of 45 degrees is formed between the axial direction of the guide pin jack 2 on the guide pin inserting plate 1 and the axial direction of the guide pin inserting tube 15 and the surface of the guide pin inserting plate 1.

Claims

1. The utility model provides a structure improvement's director for bone surgery, including locating lever, guide pin setting element, guide pin picture peg (1), picture peg setting element and picture peg support, two at least guide pin setting elements are located on the locating lever along the fixed locating lever of locating lever axial interval arrangement, and each guide pin setting element can fixed positioning respectively and locating lever cross arrangement's bone guide pin, and the picture peg support can fix and position locating lever one end, and the guide pin picture peg articulates on locating the picture peg support, and the picture peg setting element can keep the guide pin picture peg and the fixed positioning of picture peg support of arbitrary angle, it has a plurality of guide pin jacks (2) that can insert the bone guide pin to be distributed to be the matrix state on the guide pin picture peg, characterized in that: fixed a guide pin intubate (15) that is equipped with on the guide pin picture peg, guide pin jack axial parallel arrangement on guide pin intubate and the guide pin picture peg can insert in the guide pin picture peg and establish the bone guide pin, and the interior bone guide pin of guide pin intubate can exceed human surface.

2. The structurally improved guide for bone surgery as set forth in claim 1, wherein: fixed position sleeve (16) that are equipped with the axial and extend along guide pin picture peg width direction on the guide pin picture peg, the inside circumferencial direction locking of position sleeve and axial can gliding insert and be equipped with extension rod (17), still be equipped with locking device (18) on the position sleeve, locking device can be with extension rod at optional position and position sleeve fixed positioning, guide pin intubate fixed mounting on the extension rod.

3. The structurally improved guide for bone surgery as set forth in claim 1, wherein: the guide pin inserting tube is provided with a guide pin locking device (19), and the guide pin locking device can fix and position the guide pin in the guide pin inserting tube and the guide pin inserting tube.

4. The structurally improved guide for bone surgery as set forth in claim 1, wherein: the positioning rod comprises an inner rod (3), an outer tube (4) and an inner rod positioning piece, wherein the inner rod can be inserted into the outer tube in a sliding mode, and the inner rod positioning piece can keep the inner rod to be fixedly positioned with the outer tube at any position.

5. The structurally improved guide for bone surgery according to claim 4, characterized in that: the interior pole is the round bar, and outer tube inboard and round hole are equipped with at least one first screw hole on the outer tube lateral wall at interval, first screw hole and the inboard intercommunication of outer tube, interior pole setting element are first bolt (5) of spiro union in the screw hole, and the outside surface in the pole can be tightly supported to first bolt tip.

6. The structurally improved guide for bone surgery as set forth in claim 1, wherein: the guide pin setting element includes guide pin location intubate (6) and second bolt (7), guide pin location intubate fixed mounting is on the locating lever lateral wall, and guide pin location intubate axial and locating lever axial are alternately, and the bone guide needle can be inserted and locate in the guide pin location intubate, be equipped with at least one screw hole on the guide pin location intubate lateral wall, second bolt spiro union is downthehole in the screw thread of guide pin location intubate lateral wall, and second bolt tip can tightly support the bone guide needle in the guide pin location intubate.

7. The structurally improved guide for bone surgery as set forth in claim 1, wherein: the fixed articulated head (20) that is equipped with of locating lever one end, the articulated head links to each other with the picture peg support is articulated, still be equipped with the locking setting element on the articulated head, the locking setting element can keep picture peg support and articulated head at arbitrary fixed positioning that counts comparatively.

8. The structurally improved guide for bone surgery as set forth in claim 7, wherein: the picture peg support is including adjusting pole (8), and two connection pieces can fixed positioning respectively adjust pole axial both ends, and two connection pieces form the U-shaped structure with adjusting the pole jointly, adjusts pole outside axial can slide and circumferencial direction can pivoted cover and is equipped with one and overlaps and be equipped with one along connection piece (9) of radial extension on the uide bushing, the connection piece links to each other with the articulated shaft is articulated, is equipped with at least one screw hole on the uide bushing lateral wall, the downthehole activity spiro union of screw thread has third bolt (10), and third bolt tip can tightly support and adjust pole circumference lateral wall.

9. The structurally improved guide for bone surgery as set forth in claim 7, wherein: the guide pin inserting plate is characterized in that bosses (11) are coaxially and fixedly arranged on two opposite side walls of the guide pin inserting plate respectively, studs (12) are coaxially and fixedly arranged on the bosses, hinged through holes are formed in connecting pieces of the inserting plate support, the studs on the side walls of the guide pin inserting plate are correspondingly inserted into the hinged through holes, nuts (13) are further arranged, the nuts are in threaded connection with the studs, and the connecting pieces can be tightly clamped between the bosses and the nuts.

10. The structurally improved guide for bone surgery as set forth in claim 1, wherein: and 45-degree included angles exist between the axial direction of the guide pin jack on the guide pin inserting plate and the axial direction of the guide pin inserting tube and the surface of the guide pin inserting plate.