CN216257651U - Embedded concatenation PEEK hone lamella - Google Patents
Embedded concatenation PEEK hone lamella Download PDFInfo
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- CN216257651U CN216257651U CN202023308130.1U CN202023308130U CN216257651U CN 216257651 U CN216257651 U CN 216257651U CN 202023308130 U CN202023308130 U CN 202023308130U CN 216257651 U CN216257651 U CN 216257651U
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Abstract
The utility model provides an embedded type spliced PEEK bone plate, which comprises: the bone plate comprises a first bone plate, a second bone plate and splicing blocks, wherein one surface of the first bone plate is provided with the splicing blocks, one surface of the second bone plate is provided with splicing slots, the splicing slots are used for inserting the splicing blocks, and the surfaces, spliced with each other, of the first bone plate and the second bone plate are both set to be planes and are spliced with each other to form a whole bone plate; the full face bone plate is used for filling a bone window of a skull, and the full face bone plate is fixedly connected with the outer surface of the skull. The splicing slots 6 are trapezoidal notches, the splicing blocks 5 are correspondingly trapezoidal insertion pieces, and the purpose of splicing the first bone plate and the second bone plate into a whole is realized by matching the trapezoidal notches with the trapezoidal insertion pieces, so that the condition that the bone plates of the polyhedral skull structure are separated in the splicing process is reduced, and the connection strength of the spliced bone plates is improved; further meeting the stability and firmness of the whole bone plate in the process of repairing the bone window of the skull.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an embedded type spliced PEEK bone plate.
Background
The skull defect refers to skull dura mater and bone defect caused by trauma, pathological changes or operation. The skull defect has great harm to human bodies, and if the repair operation is not performed in time, the skull of a patient can be blurred, the head can be painful, and the like, and even the patient is irritable, afraid of noise and has psychological shadow. With the rapid development of neurosurgery, the operation range is gradually enlarged, and skull defects become common problems in neurosurgery. After skull defect occurs, brain tissues have no supporting foundation, meningeal bulging can be caused, and when factors such as cough, forced defecation, emotional agitation and the like exist to induce cranial pressure to rise, the occurrence probability is obviously increased. The swelling of different parts can produce corresponding symptoms. Cerebrospinal fluid leakage is another serious complication of skull defects. Due to the damage of arachnoid membrane caused by pathological changes or operations and the defect of dura mater, cerebrospinal fluid leaks out through nasal cavity, external auditory canal or open wound, so that cranial cavity is communicated with the outside.
Therefore, the skull needs to be repaired, usually by reconstructing the skull and achieving the purpose of the repair; skull reconstruction, whose principle and purpose is to create a reliable barrier between intracranial and extracranial structures, to avoid cerebrospinal fluid leakage and intracranial infection, is generally divided into embedded repair and covering repair, since the difference in size and location of defects directly affects the reconstruction effect.
However, when the skull defect is too large or the shape is irregular, the materials need to be spliced and cut, so that a firm whole cannot be formed, and the requirement of repairing is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The utility model provides an embedded type spliced PEEK bone plate, which is used for solving the problems that when the skull defect is too large or the shape is irregular, a plurality of materials need to be spliced and cut, a firm whole cannot be formed, and the requirements of repair are difficult to meet.
The utility model provides an embedded type spliced PEEK bone plate, which comprises: a first bone plate, a second bone plate and a splice block,
one surface of the first bone plate is provided with a splicing block, one surface of the second bone plate is provided with a splicing slot, the splicing slot is used for inserting the splicing block, and the surfaces of the first bone plate and the second bone plate which are spliced with each other are both provided with planes and are spliced with each other to form a whole bone plate;
the full face bone plate is used for filling a bone window of a skull, and the full face bone plate is fixedly connected with the outer surface of the skull.
Preferably, one side of the splicing block, which is close to the outer surface of the first bone plate, is provided with an inclined first guide surface, and one side of the splicing slot, which is close to the inner surface of the second bone plate, is provided with an inclined second guide surface;
the sections of the splicing blocks and the splicing slots are both triangular structures;
the first guide surface and the second guide surface are in contact with each other and arranged in parallel.
Preferably, a threaded hole is formed in the first guide surface of the splicing block, a first sinking groove is formed in the outer surface of the second bone plate, and the first sinking groove is located above the splicing slot;
and a second sinking groove is arranged in the first sinking groove, the second sinking groove is a sunk screw groove hole, the second sinking groove is used for mounting a fastening screw, and the threaded end of the fastening screw is matched with the threaded hole.
Preferably, a third sunk groove is formed in the sunk end of the fastening screw, a first penetrating movable groove is formed in the threaded end of the fastening screw, and the first movable groove and the axial center line of the fastening screw are vertically arranged;
a first through hole is formed in the bottom of the third sinking groove, and the other end of the first through hole is communicated with the first movable groove;
the splicing blocks are symmetrically provided with communicated second movable grooves along the threaded holes, the second movable grooves and the first movable grooves are used for installing fastening mechanisms,
the inner wall of concatenation slot is provided with the third movable groove, the third movable groove is used for the card to establish fastening mechanism's fastening end.
Preferably, the fastening mechanism comprises: a rotating rod, a jacking ball and a mandril, wherein one end of the rotating rod is connected with the jacking ball, the other end is connected with an operating rod,
the jacking ball is rotatably arranged in the first movable groove, and the rotating rod is movably arranged in the first through hole;
the ejector rod is movably arranged in the second movable groove, and a cross-shaped notch is formed in the end face of one end, away from the puller ball, of the rotating rod; one end of the puller ball, which is connected with the rotating rod, and one end of the puller ball, which is close to the inner bottom surface of the first movable groove, are both set to be planes, and the circumferential outer wall of the puller ball is set to be a spherical structure;
the outer side wall of the spherical structure is symmetrically provided with tangent planes,
the tangent plane and the circumferential outer wall of the spherical structure are both in contact arrangement with the ejector rod in the second movable groove;
the other end of the ejector rod is clamped in a third movable groove in the inner wall of the splicing slot.
Preferably, a spring is arranged at the bottom in the third movable groove, the other end of the spring is connected with a top plate, and one surface, far away from the spring, of the top plate is in contact with the ejector rod.
Preferably, one end of the rotating rod, which is far away from the puller ball, is provided with an operating rod, and the other end of the operating rod is connected with a handle;
and an annular groove with a conical structure is arranged at the joint of the operating rod and the rotating rod.
Preferably, the third sinking groove is a notch of a conical structure, and a small diameter end of the conical structure is communicated with the first through hole.
According to the utility model, the splicing slot 6 is a trapezoidal slot opening, the splicing blocks 5 are correspondingly trapezoidal insertion pieces, and the purpose of splicing the first bone plate and the second bone plate into a whole is realized by matching the trapezoidal sections, so that the condition that the bone plates of a polyhedral skull structure are scattered in the splicing process is reduced, and the connection strength of the spliced bone plates is improved; further meeting the stability and firmness of the whole bone plate in the process of repairing the bone window of the skull.
The working principle and the beneficial effects of the utility model are as follows:
the utility model provides an embedded type spliced PEEK bone plate, which comprises: the bone plate comprises a first bone plate, a second bone plate and splicing blocks, wherein one surface of the first bone plate is provided with the splicing blocks, one surface of the second bone plate is provided with splicing slots, the splicing slots are used for inserting the splicing blocks, and the surfaces, spliced with each other, of the first bone plate and the second bone plate are both set to be planes and are spliced with each other to form a whole bone plate; the full face bone plate is used for filling a bone window of a skull, and the full face bone plate is fixedly connected with the outer surface of the skull.
According to the utility model, the splicing slots are trapezoidal notches, the splicing blocks are also correspondingly trapezoidal insertion sheets, and the purpose of splicing the first bone plate and the second bone plate into a whole is realized by matching the trapezoidal sections, so that the condition that the bone plates of the polyhedral skull structure are separated in the splicing process is reduced, and the connection strength of the spliced bone plates is improved; further meeting the stability and firmness of the whole bone plate in the process of repairing the bone window of the skull; so that the spliced bone plate formed by splicing can form a firm integral bone plate.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of a fastening screw according to the present invention;
FIG. 4 is a schematic view of the fastening mechanism of the present invention;
the bone plate comprises a first bone plate body, a second bone plate body, a skull, a 4-bone window body, a 5 splicing block body, a 6-splicing slot, a 7-first guide surface, a 8-second guide surface, a 9-first sinking groove, a 10-fastening screw, a 11-second sinking groove, a 12-threaded hole, a 13-third sinking groove, a 14-first perforation, a 15-tangent plane, a 16-tightening ball, an 18-operating rod, a 19-rotating rod, a 20-handle, a 21-first movable groove, a 23-second movable groove, a 24-ejector rod, a 25-spring, a 26-top plate and a 27-third movable groove.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to the embodiments of the present invention, as shown in fig. 1-4, an embedded-type spliced PEEK bone plate is provided, which includes: a first bone plate 1, a second bone plate 2 and a splice 5,
one surface of the first bone plate 1 is provided with a splicing block 5, one surface of the second bone plate 2 is provided with a splicing slot 6, the splicing slot 6 is used for inserting the splicing block 5, and the surfaces of the first bone plate 1 and the second bone plate 2 which are spliced with each other are both set to be planes and are spliced with each other to form a whole bone plate;
the whole face bone plate is used for filling a bone window 4 which is lacked in the skull 3, and the whole face bone plate is fixedly connected with the outer surface of the skull 3.
According to the utility model, the splicing slot 6 is a trapezoidal slot opening, the splicing blocks 5 are correspondingly trapezoidal insertion pieces, and the purpose of splicing the first bone plate and the second bone plate into a whole is realized by matching the trapezoidal sections, so that the condition that the bone plates of a polyhedral skull structure are scattered in the splicing process is reduced, and the connection strength of the spliced bone plates is improved; further meeting the stability and firmness of the whole bone plate in the process of repairing the bone window of the skull.
In one embodiment, the side of the splicing block 5 close to the outer surface of the first bone plate 1 is provided with an inclined first guide surface 7, and the side of the splicing slot 6 close to the inner surface of the second bone plate 2 is provided with an inclined second guide surface 8; the sections of the splicing blocks 5 and the splicing slots 6 are both triangular structures; the first guide surface 7 and the second guide surface 8 are in contact with each other and arranged in parallel.
In this embodiment, the splicing slot and the splicing block are respectively guided by the second guide surface and the first guide surface and are spliced into a whole, so that the outer surface of the whole bone plate after splicing is provided with only one splicing seam, and the purpose that the first bone plate and the second bone plate can be firmly spliced into a whole is achieved; the whole bone plate is fixedly installed on the outer surface of the skull through the connecting sheet.
In one embodiment, the first guide surface 7 of the splicing block 5 is provided with a threaded hole 12, the outer surface of the second bone plate 2 is provided with a first sunken groove 9, and the first sunken groove 9 is positioned above the splicing slot 6;
a second sunk groove 11 is formed in the first sunk groove 9, the second sunk groove 11 is a sunk screw groove hole, the second sunk groove 11 is used for mounting a fastening screw 10, and the threaded end of the fastening screw 10 is matched with the threaded hole 12.
In this embodiment, after the splicing block and the splicing slot are spliced with each other, in order to reduce the occurrence of loosening of the spliced portion, a second sinking groove is formed in the second bone plate, and the second sinking groove penetrates into the splicing slot;
the first guide surface of the splicing block is provided with a threaded hole, the threaded hole is communicated with the second sinking groove, and the second sinking groove is connected through a fastening screw, so that the second bone plate can be fixed with the splicing block into a whole through the splicing slot, and the condition that the first bone plate and the second bone plate are scattered in the using process is reduced. The stability of the connection of the first bone plate and the second bone plate is enhanced.
The fastening screw is a countersunk screw, a first sunk groove is formed in the surface of the second bone plate, the head of the fastening screw can be sunk into the first sunk groove through the first sunk groove, and the situation that the screw is raised after the first bone plate and the second bone plate are assembled is reduced.
In one embodiment, the countersunk end of the fastening screw 10 is provided with a third countersunk groove 13, the threaded end of the fastening screw 10 is provided with a first movable groove 21 which penetrates through the countersunk end, and the first movable groove 21 is perpendicular to the axial center line of the fastening screw 10;
a first through hole 14 is formed in the bottom of the third sinking groove 13, and the other end of the first through hole 14 is communicated with the first movable groove 21;
the splicing block 5 is symmetrically provided with a second movable groove 23 communicated with the threaded hole 12, the second movable groove 23 and the first movable groove 21 are used for installing a fastening mechanism,
the inner wall of the splicing slot 6 is provided with a third movable groove 27, and the third movable groove 27 is used for clamping the fastening end of the fastening mechanism.
The fastening mechanism includes: a rotating rod 19, a jacking ball 16 and a mandril 24, wherein one end of the rotating rod 19 is connected with the jacking ball 16, the other end is connected with an operating rod 18,
the tightening ball 16 is rotatably arranged in the first movable groove 21, and the rotating rod 19 is movably arranged in the first through hole 14;
the ejector rod 24 is movably arranged in the second movable groove 23, and a cross-shaped notch is formed in the end face of one end, away from the puller ball 16, of the rotating rod 19; one end of the puller ball 16, which is connected with the rotating rod 19, and one end of the puller ball, which is close to the inner bottom surface of the first movable groove 21, are both set to be planes, and the circumferential outer wall of the puller ball 16 is set to be a spherical structure;
the outer side wall of the spherical structure is symmetrically provided with tangent planes 15,
the tangent plane 15 and the circumferential outer wall of the spherical structure are both in contact arrangement with a mandril 24 in the second movable groove 23;
the other end of the ejector rod 24 is clamped in a third movable groove 27 on the inner wall of the splicing slot 6.
A spring 25 is arranged at the inner bottom of the third movable groove 27, the other end of the spring 25 is connected with a top plate 26, and one surface of the top plate 26, which is far away from the spring 25, is contacted with the ejector rod 24.
An operating rod 18 is arranged at one end of the rotating rod 19, which is far away from the puller ball 16, and the other end of the operating rod 18 is connected with a handle 20;
the joint of the operating rod 18 and the rotating rod 19 is provided with an annular groove with a conical structure.
The third sinking groove 13 is a notch of a tapered structure, and a small diameter end of the tapered structure is communicated with the first through hole 14.
In this embodiment, the rotating rod can be detachably connected with the tightening ball, and after the fastening screw is installed; inserting the rotating rod into the first through hole through a third sinking groove, and connecting the rotating rod with the jacking ball in a threaded connection mode; after the tightening, the handle is rotated to drive the operating rod and the rotating rod to rotate, and further drive the tightening ball to rotate in the first movable groove; therefore, the circumferential outer wall of the spherical structure of the puller ball is turned to the outside of the first movable groove from the inside of the first movable groove, and the symmetrically arranged tangent plane on the puller ball is turned to the inside of the first movable groove;
the spherical surface of the jacking ball can push the ejector rod to move towards the third movable groove, so that the ejector rod applies force to the ejector plate, the spring is compressed, and the ejector rod is clamped into the third movable groove;
because the action bars with the junction of bull stick is equipped with the ring channel of toper structure, the ring channel can do benefit to action bars and bull stick break, thereby realize bull stick and action bars separation to take the handle with the action bars and abandon, make the bull stick can not stretch out first perforation and the heavy groove of third reduce because of the highly being higher than first heavy groove of bull stick, action bars and handle causes the condition of unattractive appearance.
Meanwhile, the ejector rod is clamped in the third movable groove, so that the connection strength between the splicing block and the splicing slot is further improved, and the loosening condition of the first bone plate and the second bone plate in the using process is reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. An embedded, spliced PEEK bone plate, comprising: a first bone plate (1), a second bone plate (2) and a splice block (5),
one side of the first bone plate (1) is provided with a splicing block (5), one side of the second bone plate (2) is provided with a splicing slot (6), the splicing slot (6) is used for inserting the splicing block (5), and the surfaces of the first bone plate (1) and the second bone plate (2) which are spliced with each other are both set to be planes and are spliced with each other to form a whole bone plate;
the full face bone plate is used for filling a bone window (4) of a skull (3) which is absent, and the full face bone plate is fixedly connected with the outer surface of the skull (3).
2. An embedded split-joint PEEK bone plate according to claim 1, characterized in that the side of the split-joint block (5) near the outer surface of the first bone plate (1) is provided with an inclined first guide surface (7), and the side of the split-joint slot (6) near the inner surface of the second bone plate (2) is provided with an inclined second guide surface (8);
the cross sections of the splicing blocks (5) and the splicing slots (6) are both triangular structures;
the first guide surface (7) and the second guide surface (8) are in contact with each other and arranged in parallel.
3. An embedded spliced PEEK bone plate as claimed in claim 1, characterized in that the first guide surface (7) of the splicing block (5) is provided with a threaded hole (12), the outer surface of the second bone plate (2) is provided with a first sunken groove (9), and the first sunken groove (9) is positioned above the splicing slot (6);
and a second sinking groove (11) is arranged in the first sinking groove (9), the second sinking groove (11) is a sunk screw groove hole, the second sinking groove (11) is used for installing a fastening screw (10), and the threaded end of the fastening screw (10) is matched with the threaded hole (12).
4. An embedded spliced PEEK bone plate as claimed in claim 3, characterized in that the countersunk end of the fastening screw (10) is provided with a third countersunk groove (13), the threaded end of the fastening screw (10) is provided with a first movable groove (21) therethrough, and the first movable groove (21) is arranged perpendicular to the axial center line of the fastening screw (10);
a first through hole (14) is formed in the bottom of the third sinking groove (13), and the other end of the first through hole (14) is communicated with the first movable groove (21);
the splicing blocks (5) are symmetrically provided with communicated second movable grooves (23) along the threaded holes (12), the second movable grooves (23) and the first movable grooves (21) are used for installing fastening mechanisms,
the inner wall of concatenation slot (6) is provided with third movable groove (27), third movable groove (27) are used for the card to establish fastening mechanism's fastening end.
5. The embedded splice PEEK bone plate of claim 4, wherein the fastening mechanism comprises: a rotating rod (19), a jacking ball (16) and a mandril (24), wherein one end of the rotating rod (19) is connected with the jacking ball (16), the other end is connected with an operating rod (18),
the tightening ball (16) is rotatably arranged in the first movable groove (21), and the rotating rod (19) is movably arranged in the first through hole (14);
the ejector rod (24) is movably arranged in the second movable groove (23), and a cross-shaped notch is formed in the end face of one end, away from the puller ball (16), of the rotating rod (19); one end of the puller ball (16) connected with the rotating rod (19) and one end of the puller ball close to the inner bottom surface of the first movable groove (21) are both set to be a plane, and the circumferential outer wall of the puller ball (16) is set to be a spherical structure;
the outer side wall of the spherical structure is symmetrically provided with tangent planes (15),
the tangent plane (15) and the circumferential outer wall of the spherical structure are both in contact arrangement with a mandril (24) in the second movable groove (23);
the other end of the ejector rod (24) is clamped in a third movable groove (27) in the inner wall of the splicing slot (6).
6. An embedded PEEK bone plate for splicing according to claim 5, characterized in that the inner bottom of the third movable groove (27) is provided with a spring (25), the other end of the spring (25) is connected with a top plate (26), and one surface of the top plate (26) far away from the spring (25) is contacted with the ejector rod (24).
7. The embedded PEEK bone plate of claim 5, wherein one end of the rotating rod (19) far away from the tightening ball (16) is provided with an operating rod (18), and the other end of the operating rod (18) is connected with a handle (20);
the joint of the operating rod (18) and the rotating rod (19) is provided with an annular groove with a conical structure.
8. An embedded split PEEK bone plate according to claim 5, characterized in that the third countersunk groove (13) is provided as a notch of a conical structure, the small diameter end of which is arranged in communication with the first through hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308130.1U CN216257651U (en) | 2020-12-31 | 2020-12-31 | Embedded concatenation PEEK hone lamella |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308130.1U CN216257651U (en) | 2020-12-31 | 2020-12-31 | Embedded concatenation PEEK hone lamella |
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| Publication Number | Publication Date |
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| CN216257651U true CN216257651U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023308130.1U Active CN216257651U (en) | 2020-12-31 | 2020-12-31 | Embedded concatenation PEEK hone lamella |
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| CN (1) | CN216257651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114795594A (en) * | 2022-06-30 | 2022-07-29 | 北京爱康宜诚医疗器材有限公司 | Prosthesis filling assembly |
-
2020
- 2020-12-31 CN CN202023308130.1U patent/CN216257651U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114795594A (en) * | 2022-06-30 | 2022-07-29 | 北京爱康宜诚医疗器材有限公司 | Prosthesis filling assembly |
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