CN214180553U - Broach distal end lock nail sight - Google Patents
Broach distal end lock nail sight Download PDFInfo
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- CN214180553U CN214180553U CN202022344984.9U CN202022344984U CN214180553U CN 214180553 U CN214180553 U CN 214180553U CN 202022344984 U CN202022344984 U CN 202022344984U CN 214180553 U CN214180553 U CN 214180553U
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- 230000005855 radiation Effects 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 5
- 208000010392 Bone Fractures Diseases 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000026137 Soft tissue injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
本实用新型属于骨折定位领域，具体涉及一种髓针远端锁钉瞄准器，其解决了现有技术存在需多次打孔，病人和外科医生需长时间接触辐射的问题。本实用新型包括固定板和辅助瞄准板；辅助瞄准板上设有若干横向和纵向等间距排列的瞄准孔，辅助瞄准板与固定板通过粗调机构和精调机构连接，粗调机构包括实现辅助瞄准板与固定板前后位置调节的前后调节部分以及实现辅助瞄准板与固定板左右位置调节的左右调节部分；精调机构包括实现辅助瞄准板与固定板之间两个维度角度调整的第一角度调整部分和第二角度调整部分。本实用新型的粗调和精调使得瞄准孔与髓针远端的锁钉孔对正，一锁钉次性准确穿入，避免多次打孔对患肢的伤害，大大减少病人和医生接触辐射。
The utility model belongs to the field of fracture positioning, in particular to a pin sighter at the distal end of a medulla needle, which solves the problems of the prior art that multiple perforations are required and that patients and surgeons need to be exposed to radiation for a long time. The utility model comprises a fixed plate and an auxiliary aiming plate; the auxiliary aiming plate is provided with a plurality of aiming holes arranged at equal intervals in the horizontal and vertical directions, the auxiliary aiming plate and the fixed plate are connected by a coarse adjustment mechanism and a fine adjustment mechanism, and the coarse adjustment mechanism includes a realization auxiliary The front and rear adjustment parts for adjusting the front and rear positions of the aiming plate and the fixed plate, and the left and right adjustment parts for realizing the adjustment of the left and right positions of the auxiliary aiming plate and the fixed plate; The adjustment part and the second angle adjustment part. The coarse adjustment and the fine adjustment of the utility model make the aiming hole align with the locking nail hole at the distal end of the pulp needle, and a locking nail can be accurately penetrated at one time, thereby avoiding the damage to the affected limb caused by repeated drilling, and greatly reducing the exposure of patients and doctors to radiation .
Description
Technical Field
The utility model belongs to fracture location field, concretely relates to broach distal end lock nail sight.
Background
Intramedullary nails are recognized as standard for long bone fracture treatment, have the advantages of small soft tissue injury, stable fracture fixation and the like, and are increasingly widely used for fixing fracture parts. The distal interlocking intramedullary nail is a procedure with high technical requirements, namely, after the intramedullary nail is inserted into a bone cavity, a locking hole is drilled on bone tissues, and then the bone tissues and the intramedullary nail are fixed together by using a locking nail. After the long intramedullary nail is implanted into a bone cavity, because of difference of individual physiological radians, the intramedullary nail designed according to the general radian can generate unpredictable deformation in the bone cavity, thereby generating the aiming requirement.
The method adopts vain manipulation and magnetic navigation, and the vain manipulation is to punch holes by experience, needs to be adjusted and punched for many times, so that a patient and a surgeon need to contact radiation for a long time, and the working efficiency is low; magnetic navigation is costly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, multiple times of punching are needed, the patient and the surgeon need to contact with radiation for a long time, and the efficiency is low; the problem of high cost is to provide a distal locking nail sighting device of the intramedullary nail.
The utility model discloses a following technical scheme realizes: a broach distal end lock nail sight, including dead plate and auxiliary aiming plate;
the auxiliary aiming plate is provided with a plurality of aiming holes which are arranged at equal intervals transversely and longitudinally, the axes of the aiming holes are consistent with the thickness direction of the auxiliary aiming plate, the auxiliary aiming plate is connected with the fixed plate through a coarse adjustment mechanism and a fine adjustment mechanism, and the coarse adjustment mechanism comprises a front and rear adjustment part for realizing the front and rear position adjustment of the auxiliary aiming plate and the fixed plate and a left and right adjustment part for realizing the left and right position adjustment of the auxiliary aiming plate and the fixed plate; the fine adjustment mechanism comprises a first angle adjustment part and a second angle adjustment part which are used for realizing two-dimensional angle adjustment between the auxiliary aiming plate and the fixing plate.
Furthermore, the device also comprises an adjusting rod plate, a connecting plate and a length adjusting plate;
the adjusting rod plate is connected with the fixing plate through a first angle adjusting part of the fine adjusting mechanism, the connecting plate is positioned at the top of the adjusting rod plate, and the adjusting rod plate and the connecting plate are connected through a left and right adjusting part of the coarse adjusting mechanism and a second angle adjusting part of the fine adjusting mechanism;
the front end of the auxiliary aiming plate is movably connected with the length adjusting plate through a front and back adjusting part of the coarse adjusting mechanism, and the front end of the length adjusting plate is fixed at the top of the connecting plate.
Furthermore, the first angle adjusting part of the fine adjusting mechanism comprises a transversely arranged adjusting rod, a transversely arranged sleeve and a jacking screw; the sleeve is fixed in the center of the top of the fixing plate, the top of the sleeve is provided with a threaded hole which is arranged from top to bottom and penetrates through the wall of the sleeve, and a jacking screw is arranged in the threaded hole in a matched manner; the rear end of the adjusting rod is fixedly connected with the adjusting rod plate, the front end of the adjusting rod is inserted into the sleeve, and the adjusting rod rotates in the sleeve around the axis of the adjusting rod.
Furthermore, the left and right adjusting part of the coarse adjusting mechanism is consistent with the second angle adjusting part of the fine adjusting mechanism in structure and comprises a long round hole, a connecting hole and a locking bolt;
the connecting plate is provided with a long round hole, and the length direction of the long round hole is consistent with the width direction of the connecting plate;
and the adjusting rod plate is provided with a connecting hole, and the connecting hole is connected with the long round hole through a locking bolt.
Further, the front and rear adjusting part of the coarse adjusting mechanism comprises an adjusting hole and a fixing bolt; a plurality of adjusting holes are transversely formed in the length adjusting plate and fixedly connected with the aiming holes in the auxiliary aiming plate through fixing bolts.
Further, the distance between two adjacent sighting holes is 2 mm.
Further, the fixing plate is fixed on the affected limb through a belt;
the strap comprises a first end and a second end; the first end of band is fixed with the regulation and detains, and the regulation is detained including cassette and buckle, and the cassette is articulated with the buckle, and the buckle is for the rotatable opening and shutting of cassette, and the passageway is left with the bottom of cassette articulated department to the buckle, is equipped with bellied tooth with the inboard of cassette articulated position on the buckle, and the second end of band passes the passageway, and the locking of band is realized to the pressure of second end to tooth.
The utility model discloses compare prior art's beneficial effect:
the structure is simple, the operation is convenient, the manufacturing cost is low, and the device can be repeatedly used; the application can carry out coarse adjustment and fine adjustment (the coarse adjustment refers to that the aiming hole is connected with adjusting holes at different positions through the fixing bolt to realize the front-back adjustment of the auxiliary aiming plate relative to the fixing plate, the adjusting rod plate moves left and right in the long round hole along with a screw rod of the locking bolt to realize the left-right adjustment of the auxiliary aiming plate relative to the fixing plate, the fine adjustment refers to that the adjusting rod rotates in the sleeve around the axis thereof to realize the arbitrary adjustment of the included angle beta between the auxiliary aiming plate and the fixing plate, and the connecting plate rotates around the screw rod of the locking bolt at an arbitrary angle along the top surface of the adjusting rod plate relative to the adjusting rod plate to realize the arbitrary adjustment of the included angle alpha between the auxiliary aiming plate and the fixing plate), thereby aligning the aiming hole and the lock nail hole at the far end of the intramedullary nail, the lock nail at the far end of the intramedullary nail can accurately penetrate into the lock nail hole at one time under the guidance of the aiming hole, avoiding the injury of drilling for a plurality of times to the affected limb, greatly reducing the contact radiation of the patient and the doctor, shorten the operation time, improve the operation efficiency and reduce the treatment cost.
Drawings
Fig. 1 is a schematic front projection view of the present invention;
fig. 2 is a schematic horizontal plane projection of the present invention;
FIG. 3 is a schematic view of an angle α between the auxiliary collimation plate and the fixing plate;
FIG. 4 is a schematic view of an angle β between the auxiliary collimation plate and the fixing plate;
FIG. 5 is a schematic view of the adjusting buckle;
in the figure: 1-fixed plate
2-adjusting lever plate
3-connecting plate
4-strap, 4.1-first end, 4.2-second end
5-long round hole
6-connecting hole
7-adjusting rod
8-sleeve
9-tightening screw
10-adjusting buckle, 10.1-clamping seat, 10.2-clamping buckle and 10.3-channel
11-Length adjusting plate
12-locking bolt
13-adjustment hole
14-auxiliary aiming plate, 14.1-aiming hole
15-fixing the bolt.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The left and right in the text refers to the width direction of the sighting device; the front and back refer to the length direction of the sighting device, the fixing plate is positioned in the front, and the auxiliary sighting plate is positioned in the back; "Up and down" refers to the height direction of the sight.
Referring to fig. 1 to 4, the utility model provides a technical scheme: a broach distal end lock nail sight, including the dead plate 1 used for fixing the sight on the affected limb and auxiliary aiming plate 14;
the auxiliary aiming plate 14 is provided with a plurality of aiming holes 14.1 which are arranged at equal intervals transversely and longitudinally, the axes of the aiming holes 14.1 are consistent with the thickness direction of the auxiliary aiming plate 14, the auxiliary aiming plate 14 is connected with the fixed plate 1 through a coarse adjustment mechanism and a fine adjustment mechanism, the coarse adjustment mechanism comprises a front and rear adjustment part for realizing the front and rear position adjustment of the auxiliary aiming plate 14 and the fixed plate 1 and a left and right adjustment part for realizing the left and right position adjustment of the auxiliary aiming plate 14 and the fixed plate 1, so that the auxiliary aiming plate 14 covers the distal region of the intramedullary nail of the affected limb; the fine adjustment mechanism comprises a first angle adjustment part and a second angle adjustment part which realize two-dimensional angle adjustment between the auxiliary aiming plate 14 and the fixing plate 1, namely, an included angle alpha between the auxiliary aiming plate 14 and the fixing plate 1 is adjusted at will and fixed at any angle, and an included angle beta between the auxiliary aiming plate 14 and the fixing plate 1 is adjusted at will and fixed at any angle, so that the aiming hole 14.1 of the auxiliary aiming plate 14 is aligned with a lock nail hole at the far end of the intramedullary nail.
The application also comprises an adjusting rod plate 2, a connecting plate 3 and a length adjusting plate 11;
the adjusting rod plate 2 is connected with the fixing plate 1 through a first angle adjusting part of the fine adjusting mechanism, and the adjusting rod plate 2 rotates around the longitudinal axis of the fixing plate 1 and is fixed at any angle; the connecting plate 3 is positioned at the top of the adjusting rod plate 2, the adjusting rod plate 2 and the connecting plate 3 are connected through a left-right adjusting part of the coarse adjusting mechanism and a second angle adjusting part of the fine adjusting mechanism, the connecting plate 3 rotates along the top surface of the adjusting rod plate 2 relative to the adjusting rod plate 2 and is fixed at any angle, and the connecting plate 3 is adjusted left and right relative to the adjusting rod plate 2;
the front end of the auxiliary sighting plate 14 is movably connected with the length adjusting plate 11 through a front-back adjusting part of the coarse adjusting mechanism, the front end of the length adjusting plate 11 is fixed at the top of the connecting plate 3, and the auxiliary sighting plate 14 is adjusted front-back relative to the length adjusting plate 11.
The first angle adjusting part of the fine adjusting mechanism comprises an adjusting rod 7 arranged transversely, a sleeve 8 arranged transversely and a jacking screw 9; the sleeve 8 is fixed in the center of the top of the fixing plate 1, the top of the sleeve 8 is provided with a threaded hole which is arranged from top to bottom and penetrates through the cylinder wall of the sleeve, and a jacking screw 9 is arranged in the threaded hole in a matched mode; adjust the rear end and the 2 fixed connection of regulation pole board of pole 7, adjust the front end cartridge of pole 7 in sleeve 8, adjust pole 7 around its axis in sleeve 8 internal rotation, realize supplementary collimation board 14 and the arbitrary adjustment of contained angle beta of fixed plate 1, be used for realizing the arbitrary angle of contained angle beta fixed tightly in the top of adjusting pole 7 through the top of holding screw 9 top.
The left and right adjusting part of the coarse adjusting mechanism is consistent with the second angle adjusting part of the fine adjusting mechanism in structure and comprises a long round hole 5, a connecting hole 6 and a locking bolt 12;
the connecting plate 3 is provided with a long round hole 5, and the length direction of the long round hole 5 is consistent with the width direction of the connecting plate 3;
the adjusting rod plate 2 is provided with a connecting hole 6, the connecting hole 6 is connected with the long round hole 5 through a locking bolt 12, the adjusting rod plate 2 moves left and right in the long round hole 5 along with a screw of the locking bolt 12, and left and right adjustment of the auxiliary aiming plate 14 relative to the fixing plate 1 is realized; the connecting plate 3 rotates around the screw of the locking bolt 12 for any angle along the top surface of the adjusting rod plate 2 relative to the adjusting rod plate 2, so that the included angle alpha between the auxiliary aiming plate 14 and the fixing plate 1 can be adjusted at will, and the locking bolt 12 is fastened to fix the included angle alpha at any angle.
The front and back adjusting part of the coarse adjusting mechanism comprises an adjusting hole 13 and a fixing bolt 15;
a plurality of adjusting holes 13 are transversely formed in the length adjusting plate 11, and the adjusting holes 13 are fixedly connected with aiming holes 14.1 on the auxiliary aiming plate 14 through fixing bolts 15, so that the auxiliary aiming plate 14 can be adjusted forwards and backwards relative to the fixing plate 1.
The distance between two adjacent sighting holes 14.1 is 2 mm.
The fixing plate 1 is fixed on the affected limb through a belt 4;
the strap 4 comprises a first end 4.1 and a second end 4.2; the first end 4.1 of band 4 is fixed with regulation knot 10, regulation knot 10 includes cassette 10.1 and buckle 10.2, cassette 10.1 is articulated with buckle 10.2, buckle 10.2 is for rotatable opening and shutting of cassette 10.1, passageway 10.3 is left to the bottom of buckle 10.2 and the articulated department of cassette 10.1, the inboard of the articulated position of cassette 10.1 is equipped with bellied tooth on the buckle 10.2, second end 4.2 of band 4 passes passageway 10.3, the locking of band 4 is realized to the pressure of tooth to second end 4.2.
The utility model discloses an implementation:
1. a fixed sighting device which is fixed on the affected limb through a belt 4;
2. coarse adjustment of the sighting device: adjusting the front-back and left-right distances of the auxiliary aiming plate 14 relative to the fixing plate 1 so that the auxiliary aiming plate 14 covers the distal end area of the intramedullary nail of the affected limb;
3. fine adjustment of the sighting device: adjusting included angles alpha and beta between the auxiliary aiming plate 14 and the fixing plate 1 under perspective so as to align an aiming hole 14.1 of the auxiliary aiming plate 14 with a lock pin hole at the far end of the intramedullary nail;
4. penetrating the intramedullary nail distal locking nail: the distal locking nail of the intramedullary nail is punched and penetrated under the guidance of the aiming hole 14.1.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. A broach distal end lock nail sight which characterized in that: comprises a fixed plate (1) and an auxiliary aiming plate (14);
the auxiliary sighting plate (14) is provided with a plurality of sighting holes (14.1) which are arranged transversely and longitudinally at equal intervals, the axis of each sighting hole (14.1) is consistent with the thickness direction of the auxiliary sighting plate (14), the auxiliary sighting plate (14) is connected with the fixed plate (1) through a coarse adjustment mechanism and a fine adjustment mechanism, and the coarse adjustment mechanism comprises a front and rear adjustment part for realizing the front and rear position adjustment of the auxiliary sighting plate (14) and the fixed plate (1) and a left and right adjustment part for realizing the left and right position adjustment of the auxiliary sighting plate (14) and the fixed plate (1); the fine adjustment mechanism comprises a first angle adjustment part and a second angle adjustment part which realize two-dimensional angle adjustment between the auxiliary aiming plate (14) and the fixing plate (1).
2. The intramedullary nail distal lock sight of claim 1, wherein: the device also comprises an adjusting rod plate (2), a connecting plate (3) and a length adjusting plate (11);
the adjusting rod plate (2) is connected with the fixing plate (1) through a first angle adjusting part of the fine adjusting mechanism, the connecting plate (3) is located at the top of the adjusting rod plate (2), and the adjusting rod plate (2) is connected with the connecting plate (3) through a left and right adjusting part of the coarse adjusting mechanism and a second angle adjusting part of the fine adjusting mechanism;
the front end of the auxiliary aiming plate (14) is movably connected with the length adjusting plate (11) through a front and back adjusting part of the coarse adjusting mechanism, and the front end of the length adjusting plate (11) is fixed at the top of the connecting plate (3).
3. The intramedullary nail distal lock sight of claim 2, wherein: the first angle adjusting part of the fine adjusting mechanism comprises an adjusting rod (7) arranged transversely, a sleeve (8) arranged transversely and a jacking screw (9); the sleeve (8) is fixed in the center of the top of the fixing plate (1), the top of the sleeve (8) is provided with a threaded hole which is arranged from top to bottom and penetrates through the wall of the sleeve, and a jacking screw (9) is arranged in the threaded hole in a matched manner; the rear end of the adjusting rod (7) is fixedly connected with the adjusting rod plate (2), the front end of the adjusting rod (7) is inserted into the sleeve (8), and the adjusting rod (7) rotates around the axis of the sleeve (8).
4. The intramedullary nail distal lock sight of claim 2, wherein: the left and right adjusting part of the coarse adjusting mechanism is consistent with the second angle adjusting part of the fine adjusting mechanism in structure and comprises a long round hole (5), a connecting hole (6) and a locking bolt (12);
the connecting plate (3) is provided with a long round hole (5), and the length direction of the long round hole (5) is consistent with the width direction of the connecting plate (3);
the adjusting rod plate (2) is provided with a connecting hole (6), and the connecting hole (6) is connected with the long round hole (5) through a locking bolt (12).
5. The intramedullary nail distal lock sight of claim 2, wherein: the front and back adjusting part of the coarse adjusting mechanism comprises an adjusting hole (13) and a fixing bolt (15);
a plurality of adjusting holes (13) are transversely formed in the length adjusting plate (11), and the adjusting holes (13) are fixedly connected with aiming holes (14.1) in the auxiliary aiming plate (14) through fixing bolts (15).
6. The intramedullary nail distal lock sight of any one of claims 1 to 5, wherein: the distance between two adjacent aiming holes (14.1) is 2 mm.
7. The intramedullary nail distal lock sight of claim 1, wherein: the fixing plate (1) is fixed on the affected limb through a belt (4);
the belt (4) comprises a first end (4.1) and a second end (4.2); the first end (4.1) of band (4) is fixed with regulation knot (10), regulation knot (10) are including cassette (10.1) and buckle (10.2), cassette (10.1) are articulated with buckle (10.2), buckle (10.2) are for rotatable opening and shutting of cassette (10.1), passageway (10.3) are left to the bottom of the articulated department of cassette (10.1) in buckle (10.2), the inboard of the articulated position with cassette (10.1) on buckle (10.2) is equipped with bellied tooth, second end (4.2) of band (4) pass passageway (10.3), the locking of band (4) is realized to the pressure of tooth to second end (4.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022344984.9U CN214180553U (en) | 2020-10-20 | 2020-10-20 | Broach distal end lock nail sight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022344984.9U CN214180553U (en) | 2020-10-20 | 2020-10-20 | Broach distal end lock nail sight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214180553U true CN214180553U (en) | 2021-09-14 |
Family
ID=77642357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022344984.9U Active CN214180553U (en) | 2020-10-20 | 2020-10-20 | Broach distal end lock nail sight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214180553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010279A (en) * | 2021-11-05 | 2022-02-08 | 中国人民解放军空军军医大学 | A spinal tap positioning device |
-
2020
- 2020-10-20 CN CN202022344984.9U patent/CN214180553U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010279A (en) * | 2021-11-05 | 2022-02-08 | 中国人民解放军空军军医大学 | A spinal tap positioning device |
| CN114010279B (en) * | 2021-11-05 | 2023-09-26 | 中国人民解放军空军军医大学 | Spinal puncture positioning device |
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