Disclosure of Invention
The invention aims to provide a steel plate implantation guide for proximal humerus fracture, which can reduce the reduction difficulty in the reduction process of proximal humerus fracture and avoid secondary displacement in the operation process, thereby simplifying the operation and improving the reduction efficiency.
Embodiments of the invention may be implemented as follows:
The invention provides a proximal humerus fracture steel plate implantation guide, which comprises a main frame body, a sliding frame, a first Kirschner wire set, a second Kirschner wire set and a third Kirschner wire set;
the sliding frame is connected with the main frame body in a sliding way, the first Kirschner wire group is detachably connected with the main frame body and is positioned at the top of the main frame body, and the second Kirschner wire group and the third Kirschner wire group are both detachably connected with the sliding frame;
the main frame body is arranged in parallel with the humerus, the first Kirschner wire set is connected with the humerus head, the first Kirschner wire set is parallel to the broken line direction of the humerus head, and the second Kirschner wire set and the third Kirschner wire set are respectively connected with the greater tuberosity and the lesser tuberosity of the humerus.
In an alternative embodiment, the proximal humeral fracture steel plate implantation guide further comprises a retaining rod;
The retaining rod is detachably connected with the main frame body and is parallel to the forearm to which the humerus is connected.
In an alternative embodiment, a connecting column is arranged at one end of the main frame body, which is away from the first Kirschner wire group, and extends along the central line direction of the main frame body;
the connecting column is provided with a plurality of connecting holes, and the retaining rod is connected with one of the connecting holes.
In an alternative embodiment, the plurality of connection holes are spaced around and spaced along the axis of the connection post.
In an alternative embodiment, the first k-wire set comprises at least one first k-wire and at least one first sleeve;
the first Kirschner wires are in one-to-one correspondence with the first sleeves, each first sleeve is sleeved on the corresponding first Kirschner wire, and the first sleeves are detachably connected with the main frame body.
In an alternative embodiment, the main frame body is provided with at least one first mounting groove;
Each first mounting groove is used for allowing the first Kirschner wire to pass through, and each first mounting groove is used for being detachably matched with one first sleeve;
when the first sleeve is matched with the first mounting groove, the first Kirschner wire in the first sleeve is arranged at an angle with the main frame body.
In an alternative embodiment, the second Kirschner wire group comprises at least one second Kirschner wire and at least one second sleeve, wherein the second Kirschner wires are in one-to-one correspondence with the second sleeves, and each second sleeve is sleeved on the corresponding second Kirschner wire;
The third Kirschner wire group comprises at least one third Kirschner wire and at least one third sleeve, wherein the third Kirschner wires are in one-to-one correspondence with the third sleeves, each third sleeve is sleeved on the corresponding third Kirschner wire, and the third sleeve is detachably connected with the sliding frame.
In an alternative embodiment, the sliding frame is provided with at least one second mounting groove and at least one third mounting groove;
The second sleeve is detachably engaged with the second mounting groove, and the third sleeve is detachably engaged with the third mounting groove.
In an alternative embodiment, the second mounting groove and the third mounting groove are located on two sides of the main frame body oppositely.
In an alternative embodiment, the proximal humeral fracture steel plate implantation guide further comprises a locking member and a locking rod;
the main frame body is provided with a sliding groove and a locking groove, and the sliding groove and the locking groove extend along the central line direction of the main frame body;
the sliding frame is slidably matched with the sliding groove;
The locking rod is matched with the locking groove in a sliding way, and the locking member is connected with the locking rod in a threaded way;
the locking piece is used for rotating under the action of external force, so that the locking rod is abutted against the locking groove, and the sliding frame is further limited to slide relative to the sliding groove.
The beneficial effects of the embodiment of the invention include:
The proximal humerus fracture steel plate implantation guider comprises a main frame body, a sliding frame, a first Kirschner wire set, a second Kirschner wire set and a third Kirschner wire set, wherein the sliding frame is connected with the main frame body in a sliding mode, the first Kirschner wire set is detachably connected with the main frame body and is positioned at the top of the main frame body, the second Kirschner wire set and the third Kirschner wire set are both detachably connected with the sliding frame, the main frame body is arranged in parallel with a humerus, the first Kirschner wire set is connected with a humerus head, the first Kirschner wire set is parallel with a broken line direction of the humerus head, and the second Kirschner wire set and the third Kirschner wire set are respectively connected with a major tuberosity and a minor tuberosity of the humerus.
The guide is implanted to the proximal humerus fracture steel plate can reduce the reduction degree of difficulty in the proximal humerus fracture reduction process to avoid appearing secondary displacement in the operation process, thereby can simplify the operation, improve reduction efficiency.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Referring to fig. 1-7, the present embodiment provides a proximal humerus fracture steel plate implantation guide 200, wherein the proximal humerus fracture steel plate implantation guide 200 comprises a main frame 210, a sliding frame 220, a first k-wire set 230, a second k-wire set 240 and a third k-wire set 250;
The sliding frame 220 is slidably connected with the main frame body 210, the first Kirschner wire set 230 is detachably connected with the main frame body 210 and is positioned at the top of the main frame body 210, and the second Kirschner wire set 240 and the third Kirschner wire set 250 are detachably connected with the sliding frame 220;
The main frame 210 is configured to be parallel to the humerus 10, the first k-wire set 230 is configured to be connected to the humerus head 11, the first k-wire set 230 is parallel to the fracture line direction of the humerus head 11, and the second k-wire set 240 and the third k-wire set 250 are respectively connected to the greater tuberosity 12 and the lesser tuberosity 13 of the humerus 10.
Referring to fig. 1 to 7, the working principle of the humeral proximal fracture steel plate implantation guide 200 is as follows:
the proximal humerus fracture steel plate implantation guide 200 comprises a main frame body 210, a sliding frame 220, a first k-wire set 230, a second k-wire set 240 and a third k-wire set 250; the first Kirschner wire set 230 is used for being connected with the humeral head 11, the first Kirschner wire set 230 is parallel to the fracture line direction of the humerus head 11, the second Kirschner wire set 240 and the third Kirschner wire set 250 are respectively connected with the greater tuberosity 12 and the lesser tuberosity 13 of the humerus 10, and the main frame 210 is used for being parallel to the humerus 10, so that when the humerus 10 is reset by adopting the implant guide 200 for the proximal fracture steel plate of the humerus, the humerus head 11, the greater tuberosity 12 and the lesser tuberosity 13 at the proximal fracture of the humerus 10 can be positioned by the above-mentioned content, and in the positioning process, the main frame 210 is arranged in parallel with the humerus 10 as a positioning reference, so that the relative positions among the first Kirschner wire set 230, the second Kirschner wire set 240 and the third Kirschner wire set 250 are determined, and when the first Kirschner wire set 230 is installed, the first Kirschner wire set 230 is parallel to the humerus head 11 line direction, thereby the fracture angle of the humerus 10 can be completed by the setting, and the neck angle can be reset by the setting, and the second Kirschner wire set 220 can be adjusted by sliding the main frame 10 relative to the position of the main frame 10;
in summary, the humerus proximal fracture steel plate implantation guide 200 can reduce the reduction difficulty in the reduction process of the proximal fracture of the humerus 10, and avoid the occurrence of secondary displacement in the operation process, thereby simplifying the operation and improving the reduction efficiency.
Further, referring to fig. 1-7, in the present embodiment, the humeral proximal fracture steel plate implant guide 200 further includes a holding rod 260, and the holding rod 260 is detachably connected to the main frame 210 and parallel to the forearm 20 to which the humerus 10 is connected.
Thus, by such arrangement, after the first k-wire group 230, the second k-wire group 240, and the third k-wire group 250 are mounted, that is, after the humeral head 11 and the greater tuberosity 12 or the lesser tuberosity 13 are fixed relative to each other, the position of the forearm 20 can be determined by the arrangement of the holding rod 260 on the premise that the main frame 210 is arranged parallel to the humerus 10, that is, the forearm 20 and the holding rod 260 are arranged parallel to each other, and the reduction of the caster angle of the humerus 10 is completed. When the holding lever 260 is attached, it is necessary for a doctor to determine the angle required for the holding lever 260, that is, to adjust the angle between the holding lever 260 and the main frame 210 according to the actual situation.
In order to facilitate the installation of the holding rod 260 and the adjustment of the angle of the holding rod 260, a connection post 211 is provided at one end of the main frame body 210 facing away from the first k-wire set 230, the connection post 211 extends along the center line direction of the main frame body 210, and a plurality of connection holes 212 are provided on the connection post 211, and the holding rod 260 is connected to one of the connection holes 212.
Thus, when the holding rod 260 is mounted, the doctor can judge the angle required by the holding rod 260, that is, the doctor can connect the holding rod 260 with different connecting holes 212 according to the actual situation, so that the angle between the holding rod 260 and the main frame body 210 is changed between 20 °,30 ° or 40 °.
In arranging the plurality of connection holes 212, the plurality of connection holes 212 are disposed at intervals around the axis of the connection post 211 and are distributed at intervals along the axis of the connection post 211 in order to allow the angle between the holding rod 260 and the main frame 210 to be changed between angles of 20 °, 30 °, 40 °, etc.
Further, referring to fig. 1-7, in the embodiment, when the first k-wire set 230 is provided, the first k-wire set 230 includes at least one first k-wire 231 and at least one first sleeve 232, the first k-wires 231 and the first sleeves 232 are in one-to-one correspondence, each first sleeve 232 is sleeved on the corresponding first k-wire 231, and the first sleeve 232 is detachably connected with the main frame 210.
In addition, in order to install the first sleeve 232, the main frame 210 is provided with at least one first installation groove 213, each first installation groove 213 is used for allowing the first k-wire 231 to pass through, and each first installation groove 213 is used for being detachably matched with one first sleeve 232, wherein when the first sleeve 232 is matched with the first installation groove 213, the first k-wire 231 in the first sleeve 232 is arranged at an angle with the main frame 210. It should be noted that, when the first kirschner wire 231 in the first sleeve 232 is disposed at an angle with the main frame 210, the first kirschner wire 231 in the first sleeve 232 is disposed at an angle of 50 ° with the main frame 210, because the main frame 210 is disposed parallel to the humerus 10, and the first kirschner wire group 230 is parallel to the fracture line direction of the humerus 11, the preset angle of the first kirschner wire 231 with the main frame 210 can be adapted to the fixed angle of 50 ° between the humerus 11 and the humerus 10, so as to recover the neck angle.
In summary, referring to fig. 1 to 7, in the present embodiment, when the first k-wire set 230 is provided, a manner that the first k-wire set 230 includes two first k-wires 231 and two first sleeves 232 is adopted, and the main frame 210 is provided with two first mounting grooves 213, and the two first sleeves 232 are respectively sleeved on the two first k-wires 231 and respectively cooperate with the two first mounting grooves 213. Therefore, through the arrangement mode, the stability in the use process is improved, and the problem of secondary displacement in the resetting process is avoided.
Further, in the present embodiment, when the second k-wire set 240 is provided, the second k-wire set 240 includes at least one second k-wire 241 and at least one second sleeve 242, wherein the second k-wires 241 are in one-to-one correspondence with the second sleeves 242, and each second sleeve 242 is sleeved on the corresponding second k-wire 241;
when the third k-wire group 250 is arranged, the third k-wire group 250 comprises at least one third k-wire 251 and at least one third sleeve 252, the third k-wires 251 and the third sleeves 252 are in one-to-one correspondence, each third sleeve 252 is sleeved on the corresponding third k-wire 251, and the third sleeves 252 are detachably connected with the sliding frame 220.
The sliding frame 220 is provided with at least one second mounting groove 221 and at least one third mounting groove 222, the second sleeve 242 is detachably matched with the second mounting groove 221, and the third sleeve 252 is detachably matched with the third mounting groove 222. The second mounting groove 221 and the third mounting groove 222 are located at two opposite sides of the main frame 210.
In summary, referring to fig. 1-7, in the embodiment, when the second k-wire set 240 and the third k-wire set 250 are provided, the second k-wire set 240 includes two second k-wires 241 and two second sleeves 242, the third k-wire set 250 includes two third k-wires 251 and two third sleeves 252, and the sliding frame 220 is provided with two second mounting grooves 221 and two third mounting grooves 222, the two second sleeves 242 are respectively sleeved on the two second k-wires 241 and are respectively matched with the two second mounting grooves 221, and the two third sleeves 252 are respectively sleeved on the two third k-wires 251 and are respectively matched with the two third mounting grooves 222. Therefore, through the arrangement mode, the stability in the use process is improved, and the problem of secondary displacement in the resetting process is avoided.
Further, referring to fig. 1 to 7, in the present embodiment, when the sliding frame 220 is installed, the sliding frame 220 is slidably connected to the main frame 210 along the extending direction of the main frame 210, and the sliding frame 220 is slidably connected for adjusting the positions of the second k-wire set 240 and the third k-wire set 250, so that the sliding frame 220 is slidably connected to the main frame 210, the humerus proximal fracture steel plate implant guide 200 further includes a locking member 271 and a locking lever 272;
The main frame body 210 is provided with a chute 214 and a locking groove 215, wherein the chute 214 and the locking groove 215 extend along the central line direction of the main frame body 210, the sliding frame 220 is slidably matched with the chute 214, the locking piece 271 is rotatably connected with the sliding frame 220, the locking rod 272 is slidably matched with the locking groove 215, and the locking piece 271 is in threaded connection with the locking rod 272;
the locking member 271 is configured to rotate under the action of external force, so that the locking rod 272 abuts against the locking slot 215, thereby limiting the sliding of the sliding frame 220 relative to the sliding slot 214.
Based on the above, referring to fig. 1-7, the procedure of applying the humeral proximal fracture steel plate implantation guide 200 to intraoperative fracture reduction is as follows:
referring to fig. 5, and referring to fig. 1-4, the humerus head 11 is cut and exposed, 1 to 2 first kirschner wires 231 are inserted into the humerus head 11 along the direction parallel to the fracture line of the humerus head 11, the first kirschner wires 231 penetrate through the first mounting groove 213 at the upper end of the main frame 210, and the tail of the first kirschner wires 231 is sleeved into the first sleeve 232 until the first sleeve 232 is inserted into the first mounting groove 213 at the upper end of the main frame 210, that is, the neck and stem angle reduction of the humerus 10 is completed;
Referring to fig. 7, referring to fig. 1-6, the large tuberosity 12 and the small tuberosity 13 are reset, 1 to 2 second k-wires 241 and a third k-wire 251 are inserted into the large tuberosity 12 and the small tuberosity 13 respectively, after the large tuberosity 12 and the small tuberosity 13 are fixed relative to the humerus head 11, the tail of the second k-wire 241 is sleeved into the second sleeve 242, the tail of the third k-wire 251 is sleeved into the third sleeve 252 until the second sleeve 242 and the third sleeve 252 are inserted into the second mounting groove 221 and the third mounting groove 222 on the sliding frame 220, and it is required to adjust the position of the sliding frame 220 relative to the main frame 210 in advance when the second sleeve 242 and the third sleeve 252 are mounted, and then the locking member 271 is rotated to lock the sliding frame 220 to the main frame 210;
Referring to fig. 6, and referring to fig. 1-5, after the humeral head 11 and the greater tuberosity 12 are relatively fixed, the position of the main frame 210 is adjusted to make the main frame 210 parallel to the humerus 10 stem, meanwhile, a holding rod 260 is inserted into one connecting hole 212 on the connecting post 211, (the plurality of connecting holes 212 have three choices of 20 ° and 30 ° and 40 ° and the doctor determines the required angle), at this time, the elbow is bent by 90 °, and the forearm 20 is parallel to the holding rod 260, thus completing the retroversion angle reduction of the humerus 10;
Referring to fig. 7, and referring to fig. 1-6, the humerus 11, the greater tuberosity 12, the lesser tuberosity 13, and the humerus 10 are relatively reset at this time, the upper arm is kept stationary, the first sleeve 232, the second sleeve 242, the third sleeve 252, and the main frame 210 are removed, and the steel plate 30 is implanted.
The present invention is not limited to the above embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.