CN211704799U - Anatomical scapula spine fixing system - Google Patents
Anatomical scapula spine fixing system Download PDFInfo
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- CN211704799U CN211704799U CN201922279466.0U CN201922279466U CN211704799U CN 211704799 U CN211704799 U CN 211704799U CN 201922279466 U CN201922279466 U CN 201922279466U CN 211704799 U CN211704799 U CN 211704799U
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- 210000001991 scapula Anatomy 0.000 title description 18
- 208000010392 Bone Fractures Diseases 0.000 claims abstract description 43
- 210000002659 acromion Anatomy 0.000 claims abstract description 11
- 210000000988 bone and bone Anatomy 0.000 claims description 34
- 230000007704 transition Effects 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 abstract description 11
- 208000015181 infectious disease Diseases 0.000 abstract description 6
- 230000000740 bleeding effect Effects 0.000 abstract description 5
- 108010048734 sclerotin Proteins 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 206010017076 Fracture Diseases 0.000 description 5
- 210000004872 soft tissue Anatomy 0.000 description 5
- 208000024779 Comminuted Fractures Diseases 0.000 description 3
- 206010061213 Iatrogenic injury Diseases 0.000 description 3
- 210000003484 anatomy Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 3
- 238000002224 dissection Methods 0.000 description 2
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- 230000007794 irritation Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
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Abstract
The utility model provides an anatomical form scapular spine fixing system, which comprises a bone fracture plate, wherein the bone fracture plate is provided with a head part and a cadre part, the head part is fixed on the side surface of the scapular spine and is close to the area of a acromion, and the cadre part is fixed on the side surface of the scapular spine and is close to the area of the outer side edge; the head part is provided with a head part locking hole, and the cadre part is provided with a cadre part locking hole; the axes of the head locking hole and the trunk locking hole are both obliquely arranged along the normal of the bone fracture plate body. The utility model provides an anatomical form shoulder blade spine fixed system coaptation board body first surface, third surface can be fixed in the side of shoulder blade spine, can be better paste the clothes on the shoulder blade spine, and need not the intraoperative step of bending, the operation failure risk that has avoided rebuilding board to bend back form and sclerotin nonconformity and cause to and the damage of bending operation to rebuilding board intensity shortens the operation time simultaneously, reduce the amount of bleeding, the infection risk that exposure time length caused in the art has been reduced.
Description
Technical Field
The utility model belongs to surgery internal fixation field especially relates to an anatomical form scapula spine fixing system.
Background
As muscle groups around the scapula are dense and irregular in shape, the scapula spine is easy to fracture under the action of gravity, the scapula spine almost forms an angle of 90 degrees with the infrascapular fossa, muscles around the scapula spine need to be in contact with the bed body when a patient lies on the back, and the bone fracture plate is fixed at the top of the scapula spine and is not beneficial to recuperation of the patient. The thickness of the bone of the scapular spine is not uniform, the top of the scapular spine is wider, the part of the scapular spine connected with the infraglenoid fossa is thinner, and the height from the scapular spine to the outer side edge is gradually reduced, so that the fixation of the steel plate on the scapular spine is not facilitated. Aiming at the scapular spine fracture fixation operation, the bone fracture plate commonly used at present is a reconstruction steel plate, and the reconstruction steel plate is generally fixed at the top and the side of the scapular spine. Because the reconstructed steel plate does not conform to the anatomical shape of the scapula, a doctor is often required to bend and shape the steel plate according to the shape of the scapula in the operation process, and the method has the following defects: 1. bending operation reduces steel plate strength, increases postoperative steel plate fracture risk. 2. The steel plate can only be roughly attached to the scapular spine by manually bending the steel plate, and the steel plate cannot completely conform to the anatomical form of the scapula, so that surrounding soft tissues are irritated, and the pain of a patient is increased. 3. The scapular spine is limited in length, the number of fixing screws is small through reconstruction of the steel plate, fracture fixation is not firm, postoperative recovery effect is poor, and fixation failure risk is increased. 4. The reconstruction plate fixed at the top of the scapular spine is not beneficial to the recuperation of patients, the reconstruction steel plate fixed at the side of the scapular spine is limited by space, and the reconstruction steel plate is difficult to screw in the horizontal direction after being attached to the scapular spine. 5. The bending operation in the operation is complex, the operation time is prolonged, and the bleeding amount and the infection risk are increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an anatomical form scapular spine fixing system to can be better paste the dress on the scapular spine, and need not the intraoperative step of bending, avoid rebuilding the board and bend the back form and the inconsistent operation failure risk that causes of sclerotin.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
an anatomical scapular spine fixing system comprises a bone fracture plate, wherein the bone fracture plate comprises a head part and a dry part, the head part is fixed on the side surface of the scapular spine and is close to the area of a acromion, and the dry part is fixed on the side surface of the scapular spine and is close to the area of the outer side edge; the head comprises a first surface in contact with the side surface of the scapular spine and a second surface arranged opposite to the first surface; the cadre comprises a third surface in contact with the side surface of the scapular spine and a fourth surface arranged opposite to the third surface; the first surface is connected with the third surface, and the second surface is connected with the fourth surface; the first surface and the third surface are not in the same horizontal plane;
the head part is provided with a head part locking hole penetrating through the first surface and the second surface, and the trunk part is provided with a trunk part locking hole penetrating through the third surface and the fourth surface; the axes of the head locking hole and the trunk locking hole are both obliquely arranged along the normal of the bone fracture plate body.
Further, the axis of the head locking hole and the axis of the stem locking hole are independently arranged along the normal line of the bone plate at an angle of 3-45 degrees.
Furthermore, the number of the head locking holes and the number of the stem locking holes are at least 2, the inclination angles of the axes of the at least 2 head locking holes along the normal of the bone plate are not completely the same, and the inclination angles of the axes of the at least 2 stem locking holes along the normal of the bone plate are not completely the same.
Furthermore, one end of the head part close to the acromion is provided with a first convex part and a second convex part which are matched with the side surface of the scapula spine, and the first convex part is closer to the acromion relative to the second convex part.
Further, the head is provided with 5 locking holes: a first hole near the first projection, a second hole provided near the second projection, and a third hole provided between the first projection and the second projection; a fourth hole is arranged between the second hole and the third hole, and a fifth hole is arranged between the second hole and the fourth hole; the circle center of the fourth hole is not on the connecting line of the circle center of the second hole and the circle center of the third hole; the center of the fifth hole is not on the connecting line of the center of the second hole and the center of the fourth hole.
Further, the plurality of dry part locking holes are arranged at intervals along the length direction of the dry part.
Furthermore, the cadre is wholly in a long strip shape, the width of the head is larger than that of the cadre, and the diameter of the head locking hole is smaller than that of the cadre locking hole.
Furthermore, the head part is connected with the stem part through a transition section, and the length of the transition section is 1/6-1/4 of the total length of the bone plate body.
Further, the first surface and the second surface of the head portion are in transition through an arc surface, and the third surface and the fourth surface of the dry portion are in transition through an arc surface.
Further, the anatomical spine fixation system further comprises a locking member which is matched with the stem locking hole and the head locking hole.
Compared with the prior art, the utility model provides a pair of dissection type shoulder blade spine fixing system has following advantage:
(1) anatomical form shoulder blade spine fixed system, be provided with head and cadre on the coaptation board, accord with human shoulder blade spine anatomical structure, coaptation board body first surface, the side at shoulder blade spine can be fixed to the third surface, first surface and third surface are not at same horizontal plane, can be better paste the clothes on shoulder blade spine, and need not the intraoperative step of bending, the operation failure risk that form and sclerotin do not accord with and cause after having avoided the reconstruction board to bend, and bend the operation to the damage of reconstruction board intensity, shorten operation time simultaneously, reduce the amount of bleeding, the infection risk that exposure time long caused in the art has been reduced.
(2) Bone fracture board body both ends all be provided with the dissection form matched with arc surface of scapular spine side, the bone fracture board body can perfectly attached scapular spine, can reset to complicated comminuted fracture.
(3) The utility model provides an anatomical form scapular spine internal fixation system head and cadre's locking hole sets up along the normal slope 3-45 of coaptation board, and the inclination of every locking hole is not identical, can form dispersed claw at the opposite side of scapular spine after locking piece and locking hole, can fix on scapular spine in a wider range, and the axial of locking hole is inclined to the position that selects the scapular spine to be thicker, therefore can select longer screw to advance the nail, increased the length of screw in the scapular spine, increased the firmness that the bone plate is fixed in the scapular spine promptly; in addition, the head locking hole and the cadre locking hole can be designed to guide reasonable angles according to conditions, so that the difficulty in nail feeding caused by blocking of the scapular part can be avoided, and the iatrogenic injury of soft tissues in an operation area is avoided.
Drawings
The accompanying drawings, which form a part of the disclosure, are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of the disclosure. In the drawings:
fig. 1 is a schematic structural view of an anatomical spine fixation system according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a bone plate according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a bone plate according to an embodiment of the present invention, different from the view of fig. 2;
fig. 4 is a schematic structural view of a bone plate according to an embodiment of the present invention;
FIG. 5 is a schematic view of the fixation position of a bone plate according to one embodiment of the present invention in use;
fig. 6 is a partial enlarged view of a head locking hole according to an embodiment of the present invention.
Description of reference numerals:
1-dry end; 2-a third surface; 3-a fourth surface; 4-a dry end locking hole; 5-bone screws; 6-bone fracture plate; 7-a head; 8-a first surface; 9-a second surface; 10-a first projection; 11-a head locking hole; 12-a second projection; 13-arc surface; 14-a transition section; 15-acromion; 16-scapular spine; 17-the outer edge; 201-a first aperture; 202-a second aperture; 203-a third aperture; 204-fourth hole; 205-fifth hole; 301-sixth hole; 302-seventh hole; 303-eighth hole; and alpha, the axis of the head locking hole is inclined along the normal of the bone plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 6, an anatomical spine fixation system comprises a bone plate 6, wherein the bone plate 6 comprises a head part 7 and a stem part 1, the head part 7 is fixed on the side surface of the spine and near the area of the acromion, and the stem part 1 is fixed on the side surface of the spine and near the area of the outer side edge; the head 7 comprises a first surface 8 in contact with the side of the spine and a second surface 9 arranged opposite to the first surface 8; the dry part 7 comprises a third surface 2 contacted with the side surface of the scapular spine and a fourth surface 3 arranged opposite to the third surface 2; the first surface 8 is connected with the third surface 2, and the second surface 9 is connected with the fourth surface 3; the first surface 8 and the third surface 2 are not in the same horizontal plane;
the head 7 is provided with a head locking hole 11 penetrating the first surface 8 and the second surface 9, the stem 7 is provided with a stem locking hole 4 penetrating the third surface 2 and the fourth surface 3; the axes of the head locking hole 11 and the shaft locking hole 4 are both arranged obliquely along the normal line of the bone plate 6.
Anatomical form shoulder spine fixed system, coaptation board are provided with head and cadre, and all accord with human shoulder spine anatomical structure, coaptation board body first surface, the third surface can be fixed in the side of shoulder spine, first surface and third surface are not at same horizontal plane, can be better paste the clothes on the shoulder spine, need not the step of bending in the art, the operation failure risk that form and sclerotin do not accord with and cause after having avoided the reconstruction board to bend, and the damage of bending operation to reconstruction board intensity, shorten operating time simultaneously, reduce the amount of bleeding, the infection risk that exposure time length caused in the art has been reduced.
The axis of the head locking hole 11 and the axis of the stem locking hole 4 are independently inclined at 3 to 45 degrees along the normal of the bone plate, i.e., the axis of the head locking hole is inclined at 3 to 45 degrees along the normal of the bone plate, such as at 4, 8, 10, 15, 20, 25, 30, 38, 40, or 42.5 degrees, etc., and the axis of the stem locking hole is inclined at 3 to 45 degrees along the normal of the bone plate, such as at 4, 8, 10, 15, 20, 25, 30, 38, 40, or 42.5 degrees, etc. The reasonable guide angle of the head locking hole and the cadre locking hole can avoid the nail feeding difficulty caused by the blocking of the scapular part, thereby avoiding the iatrogenic injury of soft tissues in an operation area. As shown in fig. 6, the axis of the head locking hole 11 is inclined at an angle α of 3 ° to 45 ° along the normal to the bone plate; the dry part locking hole and the head part locking hole are the same.
The head locking holes 11 and the stem locking holes 4 are independently arranged at least 2, such as 3, 4, 5, 8, 9 or 12, and the like, the inclination angles of the axes of at least 2 head locking holes 11 along the normal of the bone plate 6 are not identical, and the inclination angles of the axes of at least 2 stem locking holes 4 along the normal of the bone plate 6 are not identical. The inclination angles of the axis of the head locking hole and the axis of the trunk locking hole along the normal line of the bone fracture plate are not identical, so that the locking piece and the locking hole can form scattered claws on the other side of the scapular spine after being locked, the locking piece and the locking hole can be fixed on the scapular spine in a larger range, and the axial direction of the locking hole is biased to select a thicker part of the scapular spine, so that a longer screw can be selected to be screwed in, the length of the screw in the scapular spine is increased, and the firmness of fixing the bone plate on the scapular spine is increased.
The head locking hole and the trunk locking hole can be any one or a combination of at least two of a threaded hole, a unthreaded hole and a locking pressurizing hole independently, such as the threaded hole and the unthreaded hole, the unthreaded hole and the locking pressurizing hole, and the threaded hole, the unthreaded hole and the locking pressurizing hole, and different hole patterns can be arranged on bone fracture plates with different specifications to adapt to different requirements in operation. The head locking hole is preferably a universal threaded hole, the trunk locking hole is preferably a locking and pressurizing combination hole, and a doctor can realize the fastening and fixation of the butt joint bone screw in multiple directions during operation, so that the screw feeding is convenient.
One end of the head part 7 close to the acromion is provided with a first convex part 10 and a second convex part 12 which are matched with the side surface of the scapula, and the first convex part 10 is closer to the acromion than the second convex part 12. The arrangement of the first protruding part and the second protruding part enables the anatomical spine fixing system to be locked in bones, and the stress distribution is more reasonable.
As a preferred solution, the head is provided with 5 locking holes: a first hole 201 near the first projection 10, a second hole 202 provided near the second projection 12, a third hole 203 provided between the first projection 10 and the second projection 12; a fourth hole 204 is arranged between the second hole 202 and the third hole 203, and a fifth hole 205 is arranged between the second hole 202 and the fourth hole 204; the center of the fourth hole 204 is not on the connection line of the center of the second hole 202 and the center of the third hole 203; the center of the fifth hole 205 is not on the line connecting the center of the second hole 202 and the center of the fourth hole 204. The head is provided with 5 holes which are distributed differently according to the mode, so that the stress distribution is uniform after the bone fracture plate is locked, the stress concentration can be avoided, and the service life of the bone fracture plate is prolonged; and the design ensures that the bone fracture plate is more stable in locking after being matched with the locking piece, is not easy to rotate and is not easy to separate from the scapula spine.
The plurality of stem locking holes 4 are provided at intervals along the length of the stem. The number of the cadre locking holes can be selected according to different lengths of the anatomical scapular spine bone fracture plate.
The stem locking hole 4 is preferably provided with 3: a sixth hole 301, a seventh hole 302 and an eighth hole 303, wherein the intervals between two adjacent cadre locking holes 4 are the same; the included angle between the axial direction of the cadre locking hole and the normal direction of the surface at the position of the cadre locking hole is 3-45 degrees; the included angles among the plurality of stem locking holes 4 are not completely the same, for example, the included angle of the sixth hole 301 is 3-26 degrees; the included angle of the seventh hole 302 is 3-30 degrees; the angle of the eighth hole 303 is 30 ° to 45 °. By the design, the bone fracture plate body 6 is more stable in locking after being matched with the locking piece, is not easy to rotate and is not easy to separate from the scapular spine.
The head locking holes are set to be 5 and the cadre locking holes are set to be 3, so that the intensity distribution of the scapular spine is better met, and the fixing effect is better.
The axial directions of the head locking hole and the trunk locking hole are deviated to the thicker part of the scapular spine, and a longer bone screw can be selected to be screwed in, so that the length of the bone screw in the scapular spine can be increased, and a doctor can conveniently fix the bone fracture plate body on the scapular spine.
The head 7 is connected to the shaft 1 by a transition section 14, the length of the transition section 14 being 1/6 to 1/4, such as 1/5, of the total length of the bone plate 6. The utility model can be set into a plurality of models for the scapula spine of different lengths of different patients when in specific use. The shape of the transition piece 14 is determined by the shape of the side of the spine 16, i.e., the transition piece 14 is also anatomical.
The first surface 8 and the second surface 9 of the head portion 7 are in transition by a circular arc segment, and the third surface 2 and the fourth surface 3 of the stem portion 1 are in transition by a circular arc segment. The arc surfaces 13 matched with the anatomical shapes of the side surfaces of the scapular spine are arranged at the two ends of the bone fracture plate body, and the bone fracture plate body can be perfectly attached to the scapular spine and can reset complex comminuted fractures. In addition, the arc section realizes the low incisura design of the side edge of the bone fracture plate, reduces irritation of the bone fracture plate to soft tissues, can relieve pain of patients, and is more beneficial to postoperative recovery.
The bone fracture plate 6 is made of a material suitable for being implanted into a human body, and particularly made of pure titanium TA3G or a titanium alloy material, so that the bone fracture plate has good tissue compatibility and less reaction, and can reduce the infection rate. It should be noted that the bone plate is not limited to the above two materials, and other materials can be selected freely according to actual conditions to achieve the functions of light weight and small immunological rejection.
The thickness of the bone plate is preferably 1.3-2.5mm, such as 1.4mm, 1.5mm, 1.7mm or 2.5mm, which reduces patient discomfort and irritation of surrounding tissue.
Preferably, the bone fracture plate is of an integral structure, and the first surface and the third surface are connected into an integral structure; the second surface and the fourth surface are connected into an integral structure.
Preferably, the head portion 7 and the shaft portion 1 are not on the same plane, and have a certain degree of torsion, which is determined by the shape of the scapula; the first surface 8 and the second surface 9, and the third surface 2 and the fourth surface 3 are connected by smooth transition of the side surfaces, and are consistent with the side surfaces of the scapular spine 16 and the lines at the top of the scapular spine.
The anatomic scapular spine fixation system further comprises a retaining member cooperating with the locking hole for locking the bone plate in the bone.
The retaining member comprises a bone screw, preferably a countersunk screw, having a diameter of 2.5mm to 5.0mm, such as 2.7mm, 3.5mm or 4.0 mm.
The using method of the anatomical scapula fixation system comprises the following steps:
when the anatomical spine bone fracture plate is used for spine fracture, the bone fracture plate body is arranged on the side face of the spine, the head portion is arranged on the side face of the spine and is close to the area of a acromion, the trunk portion is arranged on the side face of the spine and is close to the area of the outer edge, and the first surface and the third surface are attached to the side face of the spine;
and step two, respectively installing the locking pieces into the head locking hole and the cadre locking hole to fix the anatomical spine bone fracture plate.
Anatomical form shoulder spine fixed system is provided with head and cadre through adopting on the coaptation board body, accord with human shoulder spine anatomical structure, coaptation board body first surface, the third surface can be fixed in the side of shoulder spine, first surface and third surface are not at same horizontal plane, can be better paste the clothes on shoulder spine, and need not the step of bending in the art, the form is inconsistent with the operation failure risk that the sclerotin caused after having avoided rebuilding the board to bend, and the damage of bending operation to rebuilding board intensity, shorten operating time simultaneously, reduce the amount of bleeding, the long infection risk that causes of exposure time in the art has been reduced.
The two ends of the bone fracture plate body of the anatomical type scapular spine fixing system are provided with arc surfaces matched with anatomical shapes of the lateral surfaces of the scapular spine, and the bone fracture plate body can be perfectly attached to the scapular spine and can reset complex comminuted fractures.
The locking holes of the head part and the trunk part of the anatomical type scapular spine internal fixation system are arranged by inclining 3-45 degrees along the normal line of the bone fracture plate, the inclination angle of each locking hole is not completely the same, after the locking piece and the locking hole are locked, scattered claws can be formed on the other side of the scapular spine, the locking pieces can be fixed on the scapular spine in a larger range, and the axial direction of the locking holes is deviated to the position where the scapular spine is thicker, so that longer screws can be selected to be screwed in, the length of the screws in the scapular spine is increased, and the firmness of fixing the bone plate on the scapular spine is increased; in addition, the head locking hole and the cadre locking hole can be designed to guide reasonable angles according to conditions, so that the difficulty in nail feeding caused by blocking of the scapular part can be avoided, and the iatrogenic injury of soft tissues in an operation area is avoided.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An anatomical spine fixation system, comprising: the bone fracture plate comprises a bone fracture plate (6), wherein the bone fracture plate (6) comprises a head part (7) and a dry part (1), the head part (7) is fixed on the side surface of a scapular spine (16) and is close to the area of a acromion (15), and the dry part (1) is fixed on the side surface of the scapular spine (16) and is close to the area of an outer side edge (17); the head (7) comprises a first surface (8) in contact with the side of the scapular spine (16) and a second surface (9) arranged opposite to the first surface (8); the cadre part (1) comprises a third surface (2) contacted with the side surface of the scapular spine (16) and a fourth surface (3) arranged opposite to the third surface (2); the first surface (8) is connected with the third surface (2), and the second surface (9) is connected with the fourth surface (3); the first surface (8) and the third surface (2) are not in the same horizontal plane;
the head part (7) is provided with a head part locking hole (11) penetrating through the first surface (8) and the second surface (9), and the dry part (1) is provided with a dry part locking hole (4) penetrating through the third surface (2) and the fourth surface (3); the axes of the head locking hole (11) and the shaft locking hole (4) are obliquely arranged along the normal line of the bone fracture plate (6) body.
2. The anatomical spine fixation system as recited in claim 1, wherein: the axis of the head locking hole (11) and the axis of the stem locking hole (4) are independently arranged along the normal of the bone plate (6) with an inclination of 3-45 degrees.
3. The anatomical spine fixation system as recited in claim 1, wherein: the number of the head locking holes (11) and the number of the trunk locking holes (4) are at least 2, the inclination angles of the axes of the at least 2 head locking holes (11) along the normal line of the bone fracture plate (6) are not completely the same, and the inclination angles of the axes of the at least 2 trunk locking holes (4) along the normal line of the bone fracture plate (6) are not completely the same.
4. The anatomical spine fixation system as recited in claim 1, wherein: one end of the head (7) close to the acromion (15) is provided with a first convex part (10) and a second convex part (12) which are matched with the side surface of the scapular spine (16), and the first convex part (10) is closer to the acromion (15) relative to the second convex part (12).
5. The anatomical spine fixation system according to claim 4, wherein: the head (7) is provided with 5 locking holes: a first hole (201) near the first projection (10), a second hole (202) provided near the second projection (12), a third hole (203) provided between the first projection (10) and the second projection (12), a fourth hole (204) provided between the second hole (202) and the third hole (203), and a fifth hole (205) provided between the second hole (202) and the fourth hole (204); the center of the fourth hole (204) is not on the connecting line of the center of the second hole (202) and the center of the third hole (203); the circle center of the fifth hole (205) is not on the connecting line of the circle center of the second hole (202) and the circle center of the fourth hole (204).
6. The anatomical spine fixation system according to claim 3, wherein: the plurality of dry part locking holes (4) are arranged at intervals along the length direction of the dry part (1).
7. The anatomical spine fixation system as recited in claim 1, wherein: the cadre portion (1) is integrally in a long strip shape, the width of the head portion (7) is larger than that of the cadre portion (1), and the diameter of the head portion locking hole (11) is smaller than that of the cadre portion locking hole (4).
8. The anatomical spine fixation system as recited in claim 1, wherein: the head (7) is connected with the trunk (1) through a transition section (14), and the length of the transition section (14) is 1/6-1/4 of the total length of the bone plate (6) body.
9. The anatomical spine fixation system as recited in claim 1, wherein: the first surface (8) and the second surface (9) of the head part (7) are in transition through arc surfaces, and the third surface (2) and the fourth surface (3) of the dry part (1) are in transition through arc surfaces.
10. The anatomical spine fixation system as recited in claim 1, wherein: the anatomical spine (16) fixation system further comprises a retaining member that cooperates with the stem locking hole (4) and the head locking hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279466.0U CN211704799U (en) | 2019-12-18 | 2019-12-18 | Anatomical scapula spine fixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279466.0U CN211704799U (en) | 2019-12-18 | 2019-12-18 | Anatomical scapula spine fixing system |
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| CN211704799U true CN211704799U (en) | 2020-10-20 |
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| CN201922279466.0U Expired - Fee Related CN211704799U (en) | 2019-12-18 | 2019-12-18 | Anatomical scapula spine fixing system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210625 Address after: 121004 No.2, section 5, Renmin Street, Guta District, Jinzhou City, Liaoning Province Patentee after: The First Affiliated Hospital of Jinzhou Medical University Address before: 300308 Tianjin Binhai New Area Airport Economic Zone Jingyi 318 Patentee before: TIANJIN ZHENGTIAN MEDICAL APPLIANCE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 |