CN212490118U - Surgical screw imbedding angle positioning guider - Google Patents
Surgical screw imbedding angle positioning guider Download PDFInfo
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- CN212490118U CN212490118U CN202020925887.6U CN202020925887U CN212490118U CN 212490118 U CN212490118 U CN 212490118U CN 202020925887 U CN202020925887 U CN 202020925887U CN 212490118 U CN212490118 U CN 212490118U
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Abstract
The utility model discloses a surgical screw embedding angle positioning guider, which comprises a first guide plate provided with a first arc-shaped slide rail and a second guide plate provided with a second arc-shaped slide rail, wherein the first arc-shaped slide rail is arranged perpendicular to the second arc-shaped slide rail; the second guide plate is slidably connected with the first arc-shaped slide rail, a first fixing piece is arranged between the first arc-shaped slide rail and the second arc-shaped slide rail, a first angle measurement scale is marked on the first arc-shaped slide rail, a first screw guide cylinder is installed at a zero scale line end of the first angle measurement scale, the second arc-shaped slide rail is slidably connected with a second screw guide cylinder, a second fixing piece is arranged between the first arc-shaped slide rail and the second arc-shaped slide rail, a second angle measurement scale is marked on the second arc-shaped slide rail, the second screw guide cylinder is parallel to scale marks of the second angle measurement scale, and the connecting end of the second arc-shaped slide rail is arranged at a zero scale line end of the second angle. The device can realize accurate measurement and combined positioning of the implantation angles of the surgical screws on two vertical planes so as to ensure the surgical precision and the fixing effect.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to angle location director is put into to operation screw.
Background
With the development of society, people expect to be continuously improved for the recovery of fracture prognosis, so that the requirements of a clinician on the minimally invasive property and the precision of an operation are forced to be higher and higher, namely the importance of recovering original anatomy and biomechanics which are advocated more at present. When in operation, a doctor needs to incise the fracture position tissues of a patient and accurately place surgical screws according to the actual needs of fracture position fixation so as to realize fixation.
To ensure the accuracy of the operation, the accuracy of the screw insertion angle needs to be ensured. In the prior operation, a doctor needs to put one screw into the fracture firstly, and then puts the other screws which form a certain angle with the first screw according to the actual fixing requirement, thereby realizing the fixation of the fracture position. However, when the guide pin is used for positioning surgical screws, the guide pin needs to be repeatedly penetrated, and the direction and the position are frequently adjusted, so that local honeycombing of bone is easily caused, the strength of the bone is affected, and the internal fixation of the screws is easily failed or fractures occur; and the screw placing position is determined by adopting ray scanning and positioning, repeated perspective is needed, the operation time can be prolonged, the operation risk is increased, the patient also needs to bear multiple ray hazards, the obtained positioning and angle can not be digitalized, and the accurate positioning of the angle of the screw placing position in the operation can not be achieved.
Most importantly, because each part of the fracture has uniqueness, the angle control of the screw insertion required by the operation is not the angle adjustment in a single plane, such as the femoral neck, which normally has an anteversion angle of 12-15 degrees and a shaft angle of about 130 degrees, if the femoral neck is fractured, the screw inserted into the fracture part can achieve ideal internal fixation only if the accurate control of the angles of the two vertical planes is met, and the screw can play a role in dynamic pressurization. For example, the acromioclavicular joint injury is a common injury in clinic, which accounts for about 8% of the dislocation of the joint of the whole body, the key point of treatment is to reconstruct the obliquus ligament and the pyramidal ligament, and the eversion angle and the retroversion angle of the obliquus ligament are respectively (39.3 +/-0.9) degree and (6.0 +/-0.6) degree according to the existing research; the eversion angle and retroversion angle of the pyramidal ligament are respectively (6.6 +/-0.7) ° and (11.0 +/-0.9) °, and the accurate control of the angles of two vertical planes is also met during the screw inserting process. And adopt current operation screw to put into angle control mode, the difficult accurate measurement location that realizes two perpendicular plane's angle of putting into can not realize the accurate control to the screw optimum angle of putting into according to the operation demand, is difficult to ensure operation precision and fixed effect.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide an operation screw imbedding angle positioning guider. This angle location director is put into to operation screw can realize that operation screw puts into the angle especially two perpendicular planes put into the accurate measurement and the combined positioning of angle to ensure operation precision and fixed effect, can reduce the screw location degree of difficulty simultaneously, shorten the operation time, reduce the operation risk, reduce the injury of operation process to the patient.
In order to achieve the above object, the utility model discloses a technical scheme be:
a surgical screw embedding angle positioning guider comprises a first guide plate provided with a first arc-shaped slide rail and a second guide plate provided with a second arc-shaped slide rail, wherein the first arc-shaped slide rail is perpendicular to the second arc-shaped slide rail;
the second guide plate is slidably connected with the first arc-shaped slide rail, a first fixing piece for locking the relative position between the second guide plate and the first arc-shaped slide rail is arranged between the second guide plate and the first arc-shaped slide rail, the first arc-shaped slide rail is marked with a first angle measurement scale for measuring the sliding angle of the second arc-shaped slide rail on the first arc-shaped slide rail, a first screw guide cylinder is fixedly installed at the zero-scribed line end of the first angle measurement scale, and the central axis of the first screw guide cylinder is arranged in parallel with the zero-scribed line of the first angle measurement scale and is positioned in a plane perpendicular to the first arc-shaped slide rail;
the second arc-shaped sliding rail is provided with a second screw guide cylinder in sliding fit with the second arc-shaped sliding rail, a second fixing piece for locking the relative position between the second arc-shaped sliding rail and the second screw guide cylinder is arranged between the second arc-shaped sliding rail and the second screw guide cylinder, the second arc-shaped sliding rail is marked with a second angle measurement scale for measuring the sliding angle of the second screw guide cylinder on the second arc-shaped sliding rail, the central axis of the second screw guide cylinder is parallel to the scale mark of the second angle measurement scale and is positioned in a plane perpendicular to the second arc-shaped sliding rail, and the connecting end of the second guide plate and the connecting end of the first arc-shaped sliding rail is arranged at the zero scale end of the second angle measurement scale.
Preferably, the device further comprises a third guide plate provided with a straight slide rail, the straight slide rail is provided with a third screw guide cylinder in sliding fit with the straight slide rail, a third fixing part for locking the relative position between the straight slide rail and the third screw guide cylinder is arranged between the straight slide rail and the third screw guide cylinder, the straight slide rail is marked with a linear distance scale for measuring the sliding distance of the central axis of the third screw guide cylinder on the straight slide rail, and the central axis of the third screw guide cylinder is arranged in parallel with the scale lines of the linear distance scale and is positioned in a plane perpendicular to the straight slide rail; the zero groove end of the straight-line distance scale is fixedly provided with a first rotating connecting piece, the first rotating connecting piece is sleeved outside the second screw guide cylinder and is connected with the second screw guide cylinder in a rotating mode, a fourth fixing piece for locking the relative position between the first rotating connecting piece and the second screw guide cylinder is arranged between the first rotating connecting piece and the second screw guide cylinder, and the central axis of the second screw guide cylinder is parallel to the zero groove end of the straight-line distance scale and is located on the plane perpendicular to the straight sliding rail.
Preferably, the third screw guide cylinder is provided in plurality.
Preferably, the third screw guide cylinder is connected with the straight slide rail through a third sliding connection assembly, the third sliding connection assembly comprises a third slide block in sliding fit with the straight slide rail, a third lantern ring sleeved outside the third screw guide cylinder and a third fixing bolt, the third fixing bolt comprises a bolt head and a screw rod, one end of the screw rod is connected with the bolt head, the other end of the screw rod is used as a rod head, the third lantern ring is fixedly connected with the third slide block, a third screw hole matched with the third fixing bolt is formed in the third lantern ring, and the third screw hole penetrates into the third lantern ring to abut against the outer wall of the third screw guide cylinder.
Preferably, the straight slide rail is set to be the slot hole, the linear distance scale is followed slot hole length direction sets up, the third slider is located in the slot hole and slide along its length direction, third screw axis perpendicular to the straight slide rail sets up, just the third screw runs through the third slider with the third lantern ring outer wall, the bolt head of third lantern ring outer wall and third fixing bolt butt respectively the both ends mouth outer wall in slot hole to the centre gripping is fixed the third slider with relative position between the slot hole.
Preferably, the first rotating connecting piece comprises a first opening sleeve ring sleeved outside the second screw guide cylinder, the fourth fixing piece comprises a fourth fixing bolt, a fourth screw hole matched with the fourth fixing bolt is formed in the outer wall of the first opening sleeve ring, and a rod head of the fourth fixing bolt penetrates into the first opening sleeve ring from the fourth screw hole to abut against the outer wall of the second screw guide cylinder.
Preferably, the second guide plate is slidably connected to the first arc-shaped slide rail through a first sliding connection assembly, the first sliding connection assembly includes a first slider slidably fitted to the first arc-shaped slide rail, a first sleeve ring fixed to the first slider, a fourth screw guide cylinder fixed to the first sleeve ring in a sleeved manner, and a second rotary connection member fixedly disposed on the second guide plate, the second rotary connection member is rotatably connected to the fourth screw guide cylinder, the second rotary connection member can rotate around a central axis of the fourth screw guide cylinder, and a fifth fixing member for locking a relative position between the second rotary connection member and the fourth screw guide cylinder is disposed between the second rotary connection member and the fourth screw guide cylinder; the central axis of the fourth screw guide cylinder is parallel to the zero scale line of the second angle measurement scale and the scale line of the first angle measurement scale, and is positioned in a plane perpendicular to the first arc-shaped slide rail.
Preferably, the first arc-shaped slide rail and the second arc-shaped slide rail are both provided with arc-shaped holes, the first slider is arranged in the first arc-shaped slide rail and can slide along the arc direction of the first arc-shaped slide rail, the first fixing member comprises a first fixing bolt, a first screw hole matched with the first fixing bolt penetrates through the first slider and the outer wall of the first sleeve ring, a rod head of the first fixing bolt penetrates through the first sleeve ring from the first screw hole to abut against the outer wall of the fourth screw guide cylinder, and the outer wall of the first sleeve ring and the bolt head of the first fixing bolt respectively abut against the outer walls of two ports of the first arc-shaped slide rail so as to clamp and fix the relative position between the first slider and the first arc-shaped slide rail; the second screw guide cylinder is connected with the second arc-shaped slide rail in a sliding way through a second sliding connection component, the second sliding connection assembly comprises a second sliding block which is arranged in the second arc-shaped sliding rail and can slide along the arc direction of the second arc-shaped sliding rail, and a second sleeve ring fixed on the second sliding block, the second sleeve ring is sleeved outside the second screw guide cylinder, the second fixing piece comprises a second fixing bolt, a second screw hole matched with the second fixing bolt penetrates through the second sliding block and the outer wall of the second sleeve ring, the rod head of the second fixing bolt penetrates into the second lantern ring from the second screw hole to abut against the outer wall of the second screw guide cylinder, the outer wall of the second sleeve ring and the bolt head of the second fixing bolt are respectively abutted against the outer walls of two ports of the second arc-shaped slide rail so as to clamp and fix the relative position between the second slide block and the second arc-shaped slide rail; the second rotating connecting piece comprises a second opening sleeve ring sleeved outside the fourth screw guide cylinder, the fifth fixing piece comprises a fifth fixing bolt, a fifth screw hole matched with the fifth fixing bolt is formed in the outer wall of the second opening sleeve ring, and a rod head of the fifth fixing bolt penetrates through the fifth screw hole in the second opening sleeve ring to abut against the outer wall of the fourth screw guide cylinder.
Preferably, the first screw guide cylinder is fixedly connected with the first guide plate through a third opening collar, the outer wall of the third opening collar is fixedly installed on the first guide plate, a sixth screw hole is formed in the outer wall of the third opening collar, and a rod head of a sixth fixing bolt matched with the sixth screw hole penetrates into the third opening collar from the sixth screw hole to abut against the outer wall of the first screw guide cylinder.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect: surgical screw insertion angle positioning guides are provided. This angle location director is put into to operation screw can realize that operation screw puts into the angle especially two perpendicular planes put into the accurate measurement and the combined positioning of angle to ensure operation precision and fixed effect, can reduce the screw location degree of difficulty simultaneously, shorten the operation time, reduce the operation risk, reduce the injury of operation process to the patient. Specifically, the method comprises the following steps:
(1) the utility model discloses an angle location director is put into to operation screw, need not to use guide pin and ray perspective and measure the position of putting into of set screw in the operation process, adopt this operation screw to put into angle location director, predetermine two screws at two vertical plane's relative angle design according to the operation before the operation begins, two screw guide cylinders are in two vertical plane's relative angle position to accurate measurement location in advance through the first convex slide rail and the convex slide rail of second that mutually perpendicular set up, in the operation process, can directly use the quick accurate location of this angle location director to put into two operation screws, ensure the operation precision, reduce the screw location degree of difficulty, shorten operation time, reduce the operation risk.
(2) Adopt this angle location director, can avoid among the operation process ray scanning positioning process to patient's radiation injury, also can avoid using the guide pin to carry out operation screw location, need wear the needle repeatedly, frequently adjust direction and position, easily lead to the local honeycomb of sclerotin, influence sclerotin intensity, cause the screw internal fixation to become invalid easily or the fracture appears, reduce the operation process to patient's injury, reduce the operation risk.
Drawings
FIG. 1 is a schematic view showing the structure of a surgical screw insertion angle positioning guide according to example 1;
FIG. 2 is a top view of the surgical screw insertion angle positioning guide of example 1;
FIG. 3 is a schematic view of a first guide plate with a fitting;
FIG. 4 is a top view of a first guide plate with fittings;
FIG. 5 is a schematic structural view of a first guide plate;
FIG. 6 is a top view of the surgical screw insertion angle positioning guide of example 2;
FIG. 7 is a schematic structural view of a third guide plate;
FIG. 8 is a schematic view of a second embodiment of the surgical screw insertion angle positioning guide of example 2.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
It should be noted that in the description of the present invention, the terms "inside", "outside", "upper", "lower", "left", "right", "front", "rear", etc. indicate the positional relationship based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 and 5, a surgical screw insertion angle positioning guide includes a first guide plate 1 provided with a first arc-shaped slide rail 12 and a second guide plate 2 provided with a second arc-shaped slide rail 22, where the first arc-shaped slide rail 12 is disposed perpendicular to the second arc-shaped slide rail 22 (i.e., a plane where an arc-shaped sliding track of the first arc-shaped slide rail 12 is disposed is perpendicular to a plane where an arc-shaped sliding track of the second arc-shaped slide rail 22 is disposed);
the second guide plate 2 is slidably connected with the first arc-shaped slide rail 12, a first fixing piece for locking the relative position between the second guide plate 2 and the first arc-shaped slide rail 12 is arranged between the second guide plate 2 and the first arc-shaped slide rail 12, the first arc-shaped slide rail 12 is marked with a first angle measurement scale 13 for measuring the sliding angle of the second arc-shaped slide rail 22 on the first arc-shaped slide rail 12, a first screw guide cylinder 15 is fixedly installed at a zero-scribed line end of the first angle measurement scale 13, and the central axis of the first screw guide cylinder 15 is parallel to the zero-scribed line of the first angle measurement scale 13 and is positioned in a plane perpendicular to the first arc-shaped slide rail 12; (the scale marks of the protractor scale are arranged along the radial direction of the circle where the circular arc line is located)
The second arc-shaped sliding rail 22 is provided with a second screw guide cylinder 21 in sliding fit with the second arc-shaped sliding rail, a second fixing part for locking the relative position between the second arc-shaped sliding rail 22 and the second screw guide cylinder 21 is arranged between the second arc-shaped sliding rail 22 and the second screw guide cylinder 21, the second arc-shaped sliding rail 22 is marked with a second angle measurement scale 23 for measuring the sliding angle of the second screw guide cylinder 21 on the second arc-shaped sliding rail 22 along the central axis, the central axis of the second screw guide cylinder 21 is parallel to the scale marks of the second angle measurement scale 23 and is positioned in the plane perpendicular to the second arc-shaped sliding rail 22, and the connecting end of the second guide plate 2 and the first arc-shaped sliding rail 22 is arranged on the zero scale of the second angle measurement scale 23.
The surgical screw embedding angle positioning guider of the embodiment can realize accurate measurement and combined positioning of an embedding angle of a surgical screw, particularly the embedding angles of two vertical planes, so that the surgical precision and the fixing effect are ensured, the positioning difficulty of the screw can be reduced, the surgical time is shortened, the surgical risk is reduced, and the injury to a patient in the surgical process is reduced. The operation process is briefly described as follows: before the operation is started, the relative angle between a first screw guide cylinder 15 and a second screw guide cylinder 21 of the surgical screw embedding angle positioning guider is accurately positioned according to the design of the operation, the axial direction of the first screw guide cylinder 15 is taken as the X-axis direction, the plane where a first arc-shaped slide rail 12 is located is taken as an XY plane, the plane where a second arc-shaped slide rail 22 is located is taken as an XZ plane, the second guide plate 2 slides relative to the first arc-shaped slide rail 12 according to the preset angle requirement of two screws in the XY plane, the relative angle between the first screw guide cylinder 15 and the second arc-shaped slide rail 22 in the XY plane (namely the relative angle between the first screw guide cylinder 15 and the second screw guide cylinder 21 in the XY plane) is adjusted to the preset angle requirement, and then the first fixing piece is used for fixing the relative position between the second guide plate 2 and the first arc-shaped slide rail 12; according to the preset setting angle requirements of two screws in the XZ plane, the second screw guide cylinder 21 is made to slide relative to the second arc-shaped slide rail 22, after the relative angle between the second screw guide cylinder 21 and the first arc-shaped slide rail 12 in the XZ plane (namely the relative angle between the first screw guide cylinder 15 and the second screw guide cylinder 21 in the XZ plane) is adjusted to the preset angle requirement, the relative position between the second screw guide cylinder 21 and the second arc-shaped slide rail 22 is fixed by a second fixing piece, and the accurate combined positioning of the insertion angles of the first screw guide cylinder 15 and the second screw guide cylinder 21 in the two vertical planes of XY and XZ can be realized before the operation. The first screw guide cylinder 15 is perpendicularly squeezed into to the position that decides in the operation process after that, can accomplish the angular positioning of two screw guide cylinders to realize through two screw guide cylinders that the operation screw is put into the accurate measurement and the combined positioning of angle especially two perpendicular plane's the angle of putting into, with the precision of ensureing to perform the operation and fixed effect. Adopt this angle location director, can avoid among the operation process ray scanning positioning process to patient's radiation injury, also can avoid using the guide pin to carry out operation screw location, need wear the needle repeatedly, frequently adjust direction and position, easily lead to the local honeycomb of sclerotin, influence sclerotin intensity, cause the screw internal fixation to become invalid easily or the fracture appears, reduce the operation process to patient's injury, reduce the operation risk.
Specifically, the second guide plate 2 is slidably connected to the first arc-shaped slide rail 12 through a first sliding connection assembly, the first sliding connection assembly includes a first slider 17 slidably fitted to the first arc-shaped slide rail 12, a first collar 18 fixed to the first slider 17, a fourth screw guide cylinder 25 fixed to the first collar 18 in a sleeved manner, and a second rotary connection member fixedly disposed on the second guide plate 2, the second rotary connection member is rotatably connected to the fourth screw guide cylinder 25, the second rotary connection member can rotate around a central axis of the fourth screw guide cylinder 25, and a fifth fixing member for locking a relative position between the second rotary connection member and the fourth screw guide cylinder 25 is disposed between the second rotary connection member and the fourth screw guide cylinder 25; the central axis of the fourth screw guide cylinder 25 is parallel to the zero-scribed line of the second protractor scale 23 and the scale line of the first protractor scale 13, and is located in the plane perpendicular to the first arc-shaped slide rail 12. The first sliding connection assembly is designed to include a fourth screw guide cylinder 25, so that sliding connection between the second guide plate 2 and the first arc-shaped slide rail 12 can be achieved, when the insertion angle of two screws only has an angle setting requirement in one plane, positioning and guiding of the second screw can be directly completed through the fourth screw guide cylinder 25, and the first sliding connection assembly is more convenient to adapt to different surgical requirements.
Specifically, the first circular arc-shaped slide rail 12 and the second circular arc-shaped slide rail 22 are both provided with circular arc-shaped holes, the first sliding block 17 is arranged in the first circular arc-shaped slide rail 12 and can slide along the arc direction of the first circular arc-shaped slide rail 12, the first fixing member comprises a first fixing bolt 11, a first screw hole matched with the first fixing bolt 11 penetrates through the first sliding block 17 and the outer wall of the first collar 18, a rod head of the first fixing bolt 11 penetrates through the first screw hole to abut against the outer wall of the fourth screw guide cylinder 25, and the outer wall of the first collar 18 and a bolt head of the first fixing bolt 11 abut against the outer walls of two ports of the first circular arc-shaped slide rail 12 respectively to clamp and fix the relative position between the first sliding block 17 and the first circular arc-shaped slide rail 12. The first fixing member adopts the above structure to screw the first fixing bolt 11 so that the rod head of the first fixing bolt 11 abuts against the fourth screw guide cylinder 25, and simultaneously, the outer wall of the first collar 18 and the bolt head of the first fixing bolt 11 abut against the outer walls of the two end openings of the first circular arc-shaped slide rail 12 respectively, so that the relative position between the fourth screw guide cylinder 25 and the first collar 18 and the relative position between the first circular arc-shaped slide rail 12 and the second guide plate 2 can be fixed.
Specifically, the second screw guide cylinder 21 is slidably connected to the second circular arc-shaped slide rail 22 through a second sliding connection assembly, the second sliding connection assembly includes a second slide block 27 which is arranged in the second circular arc-shaped slide rail 22 and can slide along an arc direction of the second circular arc-shaped slide rail 22, and a second collar 28 which is fixed on the second slide block 27, the second collar 28 is sleeved outside the second screw guide cylinder 21, the second fixing member includes a second fixing bolt 29, a second screw hole adapted to the second fixing bolt 29 penetrates through the second slide block 27 and an outer wall of the second collar 28, a rod head of the second fixing bolt 29 penetrates through the second collar 28 from the second screw hole to abut against an outer wall of the second screw guide cylinder 21, and a bolt head of the second collar 28 and a bolt head of the second fixing bolt 29 abut against outer walls of two ports of the second circular arc-shaped slide rail 22 respectively, so as to clamp and fix the relative position between the second sliding block 27 and the second arc-shaped sliding rail 22. The second fixing member adopts the above mechanism, and the relative position between the second screw guide cylinder 21 and the second collar 28 and the relative position between the second arc-shaped slide rail 22 and the second screw guide cylinder 21 can be fixed by screwing the second fixing bolt 29 to make the head of the second fixing bolt abut against the second screw guide cylinder 21, and simultaneously making the outer wall of the second collar 28 and the head of the second fixing bolt 29 abut against the outer walls of the two ports of the second arc-shaped slide rail 22 respectively.
Specifically, the first screw guide cylinder 15 is fixedly connected to the first guide plate 1 through a third opening lantern ring 14, the outer wall of the third opening lantern ring 14 is fixedly installed on the first guide plate 1, a sixth screw hole is formed in the outer wall of the third opening lantern ring 14, and a rod head of a sixth fixing bolt 16 matched with the sixth screw hole penetrates into the third opening lantern ring 14 from the sixth screw hole to abut against the outer wall of the first screw guide cylinder 15.
The first screw guide cylinder 15 and the second screw guide cylinder 21 are connected with the first guide plate 1 and the second guide plate 2 in a detachable mode, the central axis positions of the first screw guide cylinder 15 and the second screw guide cylinder 21 can be determined through the central axes of the third open lantern ring 14 and the second lantern ring 28 which are coaxially arranged with the first screw guide cylinder 15 and the second screw guide cylinder 21 respectively, and the structure of the device can be used for realizing flexible disassembly and assembly of the device more conveniently.
Specifically, the second rotating connecting piece includes a second opening sleeve ring 24 sleeved outside the fourth screw guide cylinder 25, the fifth fixing piece includes a fifth fixing bolt 26, a fifth screw hole matched with the fifth fixing bolt 26 is formed in the outer wall of the second opening sleeve ring 24, and a rod head of the fifth fixing bolt 26 penetrates through the fifth screw hole in the second opening sleeve ring 24 to abut against the outer wall of the fourth screw guide cylinder 25 so as to fix the relative position between the fourth screw guide cylinder 25 and the second opening sleeve ring 24.
Example 2
As shown in fig. 6 and 7, the surgical screw inserting angle positioning guide includes, in addition to the structure of embodiment 1, a third guide plate 3 provided with a straight slide rail 32, the straight slide rail 32 is provided with a third screw guide cylinder 31 in sliding fit with the straight slide rail 32, a third fixing member for locking a relative position between the straight slide rail 32 and the third screw guide cylinder 31 is provided between the straight slide rail 32 and the third screw guide cylinder 31, the straight slide rail 32 is marked with a linear distance scale 33 for measuring a sliding distance of a central axis of the third screw guide cylinder 31 on the straight slide rail 32, and the central axis of the third screw guide cylinder 31 is arranged in parallel with a scale line of the linear distance scale 33 (a scale line of the linear distance scale 33 is arranged perpendicular to a measuring direction thereof) and is located in a plane perpendicular to the straight slide rail 32; the zero scale line end of the straight-line distance scale 33 is fixedly provided with a first rotating connecting piece, the first rotating connecting piece is sleeved outside the second screw guide cylinder 21 and is connected with the second screw guide cylinder in a rotating mode, the first rotating connecting piece is provided with a fourth fixing piece for locking the relative position between the second screw guide cylinder 21 and the fourth fixing piece, and the central axis of the second screw guide cylinder 21 is parallel to the zero scale line of the straight-line distance scale 33 and is located on the plane perpendicular to the straight slide rail 32. In the process of fixing the orthopedic surgery, two or even a plurality of parallel screws with the same angle as the first fixing screw are required to be arranged to fix, the surgical screw arrangement angle positioning guider of the embodiment is additionally provided with the third guide plate 3 and accessories thereof, after the angle positioning of the first screw guide cylinder 15 and the second screw guide cylinder 21 is completed, the third guide plate 3 is rotated to the position where the straight slide rail 32 is parallel to the first arc-shaped slide rail 12 to fix the relative position between the third guide plate 3 and the second screw guide cylinder 21, according to the preset distance requirement of the two parallel screws, the third screw guide cylinder 31 is made to slide on the straight slide rail 32 to adjust the distance between the second screw guide cylinder 21 and the third screw guide cylinder 31 to the preset distance, the relative position between the third screw guide cylinder 31 and the straight slide rail 32 is fixed, and then the relative position positioning of the third screw guide cylinder 31 and the first screw guide cylinder 15 and the second screw guide cylinder 21 can be realized, and then the accurate positioning and placing of the three surgical screws can be conveniently realized by applying the device.
Specifically, the third screw guide cylinder 21 is provided in plural. When a plurality of parallel surgical screws are required to be inserted, the surgical screw insertion angle positioning guide can be provided with a plurality of third screw guide cylinders 21 on the same straight slide rail 32.
Specifically, the third screw guide cylinder 31 is connected through a third sliding connection assembly the straight slide rail 32, the third sliding connection assembly include with the third slider 36 of straight slide rail 32 sliding fit, the cover is located the outer third lantern ring 37 of third screw guide cylinder 31, and third fixing bolt 38, third fixing bolt 38 is including tieing head and screw rod, the one end of screw rod with the tieing head is connected, the other end of screw rod is as the pole head, third lantern ring 37 fixed connection third slider 36, third lantern ring 37 set up with the third screw of third fixing bolt 38 adaptation, the pole head penetrates from the third screw with the butt in the third lantern ring 37 the outer wall of third screw guide cylinder 31. The third fixing bolt 38 is tightened to abut against the outer wall of the third screw guide cylinder 31 to clamp and fix the third screw guide cylinder 31 between the third fixing bolt 38 and the third collar 37.
Specifically, straight slide rail 32 is established to the elongated hole, linear distance scale 33 is followed elongated hole length direction sets up, third slider 36 is located in the elongated hole and slide along its length direction, third screw axis perpendicular to straight slide rail 32 sets up, just the third screw runs through third slider 36 with the 37 outer walls of third lantern ring, the head of a bolt of the 37 outer walls of third lantern ring and third fixing bolt 38 butt respectively the both ends mouth outer wall in elongated hole is fixed with the centre gripping third slider 36 with relative position between straight slide rail 32. With the above structure, the relative position between the third screw guide cylinder 31 and the third collar 37 and the relative position between the straight slide rail 32 and the third screw guide cylinder 31 can be fixed by screwing the third fixing bolt 38 to make the rod head of the third fixing bolt abut against the third screw guide cylinder 31 and make the outer wall of the third collar 37 and the bolt head of the third fixing bolt 38 abut against the outer walls of the two ports of the straight slide rail 32 respectively.
Specifically, the first rotating connecting piece includes that the cover is located the first opening lantern ring 34 outside the second screw guide cylinder 21, the fourth mounting includes fourth fixing bolt 35, the first opening lantern ring 34 outer wall seted up with the fourth screw of fourth fixing bolt 35 adaptation, the pole head of fourth fixing bolt 35 certainly the fourth screw penetrates in the first opening lantern ring 34 with the butt the second screw guide cylinder 21 outer wall. With the above configuration, the fourth fixing bolt 35 is tightened to abut against the second screw guide cylinder 21, so that the second screw guide cylinder 21 can be held and fixed between the head of the fourth fixing bolt 35 and the inner wall of the first open collar 34, thereby fixing the position thereof.
When the surgical screw inserting angle positioning guide has the structure of embodiment 2, it can be adapted to the above-mentioned use requirements, and can also achieve other positioning effects, for example, when the inserting angle between the first surgical screw and the plurality of surgical screws arranged in parallel has an angle setting requirement only in one plane, as shown in fig. 8, the first arc-shaped slide rail 12, the second arc-shaped slide rail 22 and the straight slide rail 32 can be rotated to the same plane, so that the positioning of the plurality of screw guide cylinders required for the positioning can be conveniently achieved, and further, the positioning and inserting of the plurality of surgical screws can be achieved in the surgical procedure.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. A surgical screw imbedding angle positioning guider is characterized by comprising a first guide plate and a second guide plate, wherein the first guide plate is provided with a first arc-shaped slide rail, the second guide plate is provided with a second arc-shaped slide rail, and the first arc-shaped slide rail is perpendicular to the second arc-shaped slide rail;
the second guide plate is slidably connected with the first arc-shaped slide rail, a first fixing piece for locking the relative position between the second guide plate and the first arc-shaped slide rail is arranged between the second guide plate and the first arc-shaped slide rail, the first arc-shaped slide rail is marked with a first angle measurement scale for measuring the sliding angle of the second arc-shaped slide rail on the first arc-shaped slide rail, a first screw guide cylinder is fixedly installed at the zero-scribed line end of the first angle measurement scale, and the central axis of the first screw guide cylinder is arranged in parallel with the zero-scribed line of the first angle measurement scale and is positioned in a plane perpendicular to the first arc-shaped slide rail;
the second arc-shaped sliding rail is provided with a second screw guide cylinder in sliding fit with the second arc-shaped sliding rail, a second fixing piece for locking the relative position between the second arc-shaped sliding rail and the second screw guide cylinder is arranged between the second arc-shaped sliding rail and the second screw guide cylinder, the second arc-shaped sliding rail is marked with a second angle measurement scale for measuring the sliding angle of the second screw guide cylinder on the second arc-shaped sliding rail, the central axis of the second screw guide cylinder is parallel to the scale mark of the second angle measurement scale and is positioned in a plane perpendicular to the second arc-shaped sliding rail, and the connecting end of the second guide plate and the connecting end of the first arc-shaped sliding rail is arranged at the zero scale end of the second angle measurement scale.
2. The surgical screw insertion angle positioning guide according to claim 1, further comprising a third guide plate having a straight slide rail, wherein the straight slide rail is provided with a third screw guide cylinder slidably engaged therewith, a third fixing member for locking a relative position between the straight slide rail and the third screw guide cylinder is provided between the straight slide rail and the third screw guide cylinder, the straight slide rail is marked with a linear distance scale for measuring a sliding distance of a central axis of the third screw guide cylinder on the straight slide rail, and the central axis of the third screw guide cylinder is arranged parallel to a scale line of the linear distance scale and is located in a plane perpendicular to the straight slide rail; the zero groove end of the straight-line distance scale is fixedly provided with a first rotating connecting piece, the first rotating connecting piece is sleeved outside the second screw guide cylinder and is connected with the second screw guide cylinder in a rotating mode, a fourth fixing piece for locking the relative position between the first rotating connecting piece and the second screw guide cylinder is arranged between the first rotating connecting piece and the second screw guide cylinder, and the central axis of the second screw guide cylinder is parallel to the zero groove end of the straight-line distance scale and is located on the plane perpendicular to the straight sliding rail.
3. The surgical screw insertion angle positioning guide of claim 2, wherein the third screw guide cylinder is provided in plurality.
4. The surgical screw inserting angle positioning guide of claim 2, wherein the third screw guiding cylinder is connected to the straight slide rail through a third sliding connection assembly, the third sliding connection assembly includes a third slide block slidably engaged with the straight slide rail, a third sleeve ring sleeved outside the third screw guiding cylinder, and a third fixing bolt, the third fixing bolt includes a bolt head and a screw rod, one end of the screw rod is connected to the bolt head, the other end of the screw rod serves as a rod head, the third sleeve ring is fixedly connected to the third slide block, the third sleeve ring is provided with a third screw hole adapted to the third fixing bolt, and the rod head penetrates into the third sleeve ring from the third screw hole to abut against the outer wall of the third screw guiding cylinder.
5. The surgical screw inserting angle positioning guider according to claim 4, wherein the straight slide rail is a long hole, the linear distance scale is arranged along the length direction of the long hole, the third slide block is arranged in the long hole and slides along the length direction of the long hole, the central axis of the third screw hole is perpendicular to the straight slide rail, the third screw hole penetrates through the third slide block and the outer wall of the third collar, and the outer wall of the third collar and the bolt head of the third fixing bolt are respectively abutted against the outer walls of the two ports of the long hole to clamp and fix the relative position between the third slide block and the long hole.
6. The surgical screw inserting angle positioning guide of claim 4, wherein the first rotating connection member includes a first opening sleeve ring sleeved outside the second screw guiding cylinder, the fourth fixing member includes a fourth fixing bolt, a fourth screw hole adapted to the fourth fixing bolt is formed in an outer wall of the first opening sleeve ring, and a rod head of the fourth fixing bolt penetrates into the first opening sleeve ring from the fourth screw hole to abut against an outer wall of the second screw guiding cylinder.
7. The surgical screw inserting angle positioning guide of claim 1, wherein the second guide plate is slidably connected to the first arc-shaped slide rail through a first sliding connection assembly, the first sliding connection assembly includes a first slide block slidably engaged with the first arc-shaped slide rail, a first sleeve fixed to the first slide block, a fourth screw guide cylinder sleeved and fixed in the first sleeve, and a second rotary connection member fixedly disposed on the second guide plate, the second rotary connection member is rotatably connected to the fourth screw guide cylinder, the second rotary connection member is rotatable around a central axis of the fourth screw guide cylinder, and a fifth fixing member for locking a relative position between the second rotary connection member and the fourth screw guide cylinder is disposed between the second rotary connection member and the fourth screw guide cylinder; the central axis of the fourth screw guide cylinder is parallel to the zero scale line of the second angle measurement scale and the scale line of the first angle measurement scale, and is positioned in a plane perpendicular to the first arc-shaped slide rail.
8. The surgical screw inserting angle positioning guider according to claim 7, wherein the first arc-shaped slide rail and the second arc-shaped slide rail are both provided with arc-shaped holes, the first slider is arranged in the first arc-shaped slide rail and can slide along the arc direction of the first arc-shaped slide rail, the first fixing piece comprises a first fixing bolt, a first screw hole matched with the first fixing bolt penetrates through the first slider and the outer wall of the first collar, a rod head of the first fixing bolt penetrates through the first collar from the first screw hole to abut against the outer wall of the fourth screw guiding cylinder, and a bolt head of the first fixing bolt respectively abut against the outer walls of two ports of the first arc-shaped slide rail to clamp and fix the relative position between the first slider and the first arc-shaped slide rail; the second screw guide cylinder is connected with the second arc-shaped slide rail in a sliding way through a second sliding connection component, the second sliding connection assembly comprises a second sliding block which is arranged in the second arc-shaped sliding rail and can slide along the arc direction of the second arc-shaped sliding rail, and a second sleeve ring fixed on the second sliding block, the second sleeve ring is sleeved outside the second screw guide cylinder, the second fixing piece comprises a second fixing bolt, a second screw hole matched with the second fixing bolt penetrates through the second sliding block and the outer wall of the second sleeve ring, the rod head of the second fixing bolt penetrates into the second lantern ring from the second screw hole to abut against the outer wall of the second screw guide cylinder, the outer wall of the second sleeve ring and the bolt head of the second fixing bolt are respectively abutted against the outer walls of two ports of the second arc-shaped slide rail so as to clamp and fix the relative position between the second slide block and the second arc-shaped slide rail; the second rotating connecting piece comprises a second opening sleeve ring sleeved outside the fourth screw guide cylinder, the fifth fixing piece comprises a fifth fixing bolt, a fifth screw hole matched with the fifth fixing bolt is formed in the outer wall of the second opening sleeve ring, and a rod head of the fifth fixing bolt penetrates through the fifth screw hole in the second opening sleeve ring to abut against the outer wall of the fourth screw guide cylinder.
9. The surgical screw insertion angle positioning guide of claim 1, wherein the first screw guide cylinder is fixedly connected to the first guide plate through a third opening collar, an outer wall of the third opening collar is fixedly mounted on the first guide plate, a sixth screw hole is formed in the outer wall of the third opening collar, and a head of a sixth fixing bolt adapted to the sixth screw hole penetrates into the third opening collar from the sixth screw hole to abut against the outer wall of the first screw guide cylinder.
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| CN202020925887.6U CN212490118U (en) | 2020-05-27 | 2020-05-27 | Surgical screw imbedding angle positioning guider |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111467023A (en) * | 2020-05-27 | 2020-07-31 | 山东大学齐鲁医院(青岛) | Surgical screw imbedding angle positioning guider |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467023A (en) * | 2020-05-27 | 2020-07-31 | 山东大学齐鲁医院(青岛) | Surgical screw imbedding angle positioning guider |
| CN111467023B (en) * | 2020-05-27 | 2024-08-23 | 山东大学齐鲁医院(青岛) | Surgical screw insertion angle positioning guide |
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