CN210277376U - Carrying body clamping device - Google Patents

Abstract

The utility model discloses a carrier clamping device, belonging to the field of oral implant activation, wherein an implant can be fixed on the carrier, and the device comprises a chuck and a base station; the base platform comprises a base platform hollow part and a base platform outer part; the hollow part of the base station is used for accommodating a chuck; the chuck comprises an external thread part and a deformation part; the deformation part and the external thread part are connected into a whole up and down, and the center of the deformation part is provided with a limit hole which can be inserted into the carrying body; the hollow part of the base table comprises an internal thread part matched with the external thread part of the chuck and a cone part matched with the deformation part of the chuck; when the external thread part is screwed upwards relative to the internal thread part, the conical part extrudes the deformation part. Because of the structure, the external thread part and the internal thread part rotate relatively, so that the deformation part clamps the carrying body.

Description

Carrying body clamping device

Technical Field

The utility model belongs to the oral implant activation field, specifically speaking relate to a carry body clamping device.

Background

Currently, oral implant restoration is widely applied to oral clinical work and becomes one of the most popular technologies for replacing missing natural teeth. At present, most implant surfaces on the market are hydrophobic surfaces, the hydrophobic surfaces are not optimal for the osseointegration of the implants, and the hydrophilic implants can optimize the osseointegration process, improve the biological stability in the early stage of the implantation, enlarge the implantation repair adaptation symptoms, reduce postoperative complications, provide more convenient and comfortable treatment experience for patients, and are deeply favored by oral workers.

In the process of activating the hydrophilic implant, after the implant is fixed on the carrier, the carrier needs to be fixed by the clamping device. The carrying bodies of different planting systems are different, and requirements are provided for the clamping device to clamp the carrying bodies with different sizes; even a few planting systems do not have matched carrying bodies, and the clamping device is required to carry the carrying bodies to fix the planting bodies.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a carrying body clamping device aiming at the defects, and the problem that carrying bodies with different sizes and planting systems do not have matched carrying bodies is solved. In order to achieve the above object, the utility model provides a following technical scheme:

a carrier holding device, wherein an implant 22 can be fixed on a carrier 23, the device comprises a chuck 2 and an abutment 3; the base 3 comprises a base hollow part 31 and a base outer part 32; the hollow part 31 of the base is used for accommodating the chuck 2; the chuck 2 comprises an external thread part 24 and a deformation part 25; the deformation part 25 and the external thread part 24 are connected into a whole up and down, and the center of the deformation part 25 is provided with a limit hole 26 which can be inserted into the carrying body 23; the hollow portion 31 of the base comprises an internal thread portion 38 matched with the external thread portion 24 of the chuck 2 and a tapered portion 39 matched with the deformation portion 25 of the chuck 2; when the male screw portion 24 is screwed upward with respect to the female screw portion 38, the tapered portion 39 presses the deformed portion 25.

Further, the deformation part 25 comprises 3-10 deformable clamping blocks which are spaced relatively.

Further, the taper angle of the taper portion 39 is 10 ° to 20 °.

Further, the diameter of the carrier 23 is 2-6 mm, and the length is 10-20 mm.

Furthermore, the diameter of the limiting hole 26 is 1-7 mm, and the depth of the limiting hole 26 is 6-15 mm.

Further, the chuck 2 further comprises a handle portion 27 disposed at the lower end of the external thread portion 24; the handle portion 27 has a larger outer diameter than the externally threaded portion 24.

Further, the surface of the handle part 27 is provided with knurling.

Further, a threaded hole 28 is formed in the lower end of the handle part 27; the threaded hole 28 is provided with a conductive screw 29.

Further, the chuck 2, the implant 22 and the carrier 23 are all made of conductive materials; the base 3 is made of an insulating material.

Further, an inner hole is formed in the implant 22, and the carrying body 23 comprises a rod part 1, an expansion part 4 and a limiting part 7; the expansion part 4 is arranged at one end of the rod part 1; the rod part 1 is used for clamping by a chuck 2; the expansion part 4 is used for extending into an inner hole of the implant 22 and expanding and extruding the inner wall of the inner hole; the stopper portion 7 is used to limit the amount of expansion of the expansion portion 4.

The utility model has the advantages that:

1. the external thread portion and the internal thread portion relatively rotate, so that the deformation portion clamps the carrying body tightly.

2. In order to make the carrying body have the commonality, can match the hole of planting body among the different planting systems, the inflation portion stretches into the hole of planting body, and the inflation extrudees the inner wall of hole, comes fixed connection carrying body and planting body through the mode of inflation extrusion, and the installation is very convenient with the dismantlement.

Drawings

FIG. 1 is a schematic view of the overall assembly of the present invention;

FIG. 2 is a schematic view of the chuck of the present invention;

FIG. 3 is a schematic cross-sectional view of a chuck C-C of the present invention;

fig. 4 is a schematic top view of the chuck of the present invention;

fig. 5 is a schematic view of the base station B-B of the present invention;

fig. 6 is a schematic view of the base station of the present invention;

FIG. 7 is a schematic view of a third carrier according to an embodiment of the present invention;

FIG. 8 is a schematic view of the assembly of a carrier and an implant according to an embodiment of the present invention;

FIG. 9 is a schematic view of a four carrier according to an embodiment of the present invention;

FIG. 10 is a schematic view of an assembly of a four-carrier and an implant according to an embodiment of the present invention;

FIG. 11 is a schematic view of the fifth tightening part and the sleeve of the embodiment of the present invention;

FIG. 12 is a schematic view of an assembly of a five-carrier and an implant according to an embodiment of the present invention;

in the drawings: 2-chuck, 22-implant, 23-carrier, 24-external thread part, 25-deformation part, 26-limit hole, 27-handle part, 28-threaded hole, 29-conductive screw, 3-base, 31-base hollow part, 32-base external part, 38-internal thread part, 39-cone part, 1-rod part, 4-expansion part, 7-limit part, 71, 91-sleeve, 41-snap spring, 61-internal rod, 62-tightening part, 51-fixed block, 52-movable block, 53-spring, 54-guide rod and 81-limit block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.

The first embodiment is as follows:

see figures 1-6. A carrier holding device, wherein an implant 22 can be fixed on a carrier 23, the device comprises a chuck 2 and an abutment 3; the base 3 comprises a base hollow part 31 and a base outer part 32; the hollow part 31 of the base is used for accommodating the chuck 2; the chuck 2 comprises an external thread part 24 and a deformation part 25; the deformation part 25 and the external thread part 24 are connected into a whole up and down, and the center of the deformation part 25 is provided with a limit hole 26 which can be inserted into the carrying body 23; the hollow portion 31 of the base comprises an internal thread portion 38 matched with the external thread portion 24 of the chuck 2 and a tapered portion 39 matched with the deformation portion 25 of the chuck 2; when the male screw portion 24 is screwed upward with respect to the female screw portion 38, the tapered portion 39 presses the deformed portion 25.

The deformation part 25 comprises 3-10 deformable clamping blocks which are spaced relatively. 3-10 opposite deformable clamping blocks are adopted, and the clamping blocks can be pressed inwards when being extruded to clamp the carrying body 23; the clamp springs are spaced relatively, so that the clamp springs can be pressed when stressed, and the carrying bodies 23 with different diameters and different forms (cylindrical surfaces and hexagonal surfaces) can be clamped. The taper angle of the taper part 39 is 10-20 degrees. The diameter of the carrier 23 is 2-6 mm, and the length is 10-20 mm. The diameter of the limiting hole 26 is 1-7 mm, and the depth of the limiting hole 26 is 6-15 mm. The chuck 2 further comprises a handle part 27 arranged at the lower end of the external thread part 24; the handle portion 27 has a larger outer diameter than the externally threaded portion 24. The surface of the handle part 27 is provided with knurls.

Due to the above structure, the implant 22 is fixed to the carrier 23, and the carrier 23 is stabilized by the collet 2; the thread of the internal thread part 38 can adopt fine threads, such as M6-M20; in use, the carrier body 23 is inserted into the stopper hole 26, the male screw portion 24 and the female screw portion 38 are rotated relative to each other, the tapered portion 39 presses the deformable portion 25, and the deformable portion 25 clamps the carrier body 23. The chuck 2 further comprises a handle part 27 arranged at the lower end of the external thread part 24; the handle portion 27 has a larger outer diameter than the externally threaded portion 24. The surface of the handle part is provided with knurls, so that the handle part 27 not only can limit the depth of the external thread part 24 screwed into the internal thread part 38, but also can be used for conveniently holding the handle part 27 by hand to perform relative rotation of the external thread part 24 and the internal thread part 38.

Example two:

see figures 1-6. On the basis of the first embodiment, the lower end of the handle part 27 is provided with a threaded hole 28; the threaded hole 28 is provided with a conductive screw 29. The conductive screw 29 and the threaded hole 28 may be two, preventing deflection when tightened. The chuck 2, the implant 22 and the carrier 23 are all made of conductive materials; the base 3 is made of an insulating material. The chuck 2 is made of metal materials, such as steel, titanium, copper and silver, and the steel materials are optimal; the implant 22 is made of a metal material, such as a titanium implant and a tantalum implant, and the titanium implant is optimal; the carrier body 23 is a known conductive metal material;

the high-voltage lead is communicated with the chuck 2 through a conductive screw 29; the male screw portion 24 and the female screw portion 38 rotate relatively to each other, and the tapered portion 39 presses the deformed portion 25, so that the deformed portion 25 clamps the carrier body 23, thereby reducing the impedance between the deformed portion 25 and the carrier body 23. The purpose is to make the carrier 23 stably communicate with the chuck 2, thereby making the implant 22 communicate with the high-voltage lead; at this time, the implant 22 serves as a discharge electrode; the base 3 can be made of polytetrafluoroethylene, polyimide and polyepoxy resin, and the polytetrafluoroethylene is typically used; the hollow part 31 of the base station is used for accommodating the chuck 2, and the insulating base station 3 insulates and isolates the conductive chuck 2, so that the use safety of an operator is ensured.

Example three:

see figures 7-8. On the basis of the first embodiment, the implant is provided with an inner hole, and the carrying body comprises a rod part 1, an expansion part 4 and a limiting part 7; the expansion part 4 is arranged at one end of the rod part 1; the rod part 1 is used for clamping by a chuck 2; the expansion part 4 is used for extending into an inner hole of the implant and expanding and extruding the inner wall of the inner hole; the stopper portion 7 is used to limit the amount of expansion of the expansion portion 4. Due to the structure, the direct contact between the implant and the carrier is ensured, and the pollution of the chuck 2 to the implant is avoided; in order to make the carrying body have universality, the inner holes of the planting bodies in different planting systems can be matched, the expansion part 4 extends into the inner hole of the planting body, the inner wall of the inner hole is expanded and extruded, the carrying body and the planting body are fixedly connected in an expansion and extrusion mode, and the carrying body is very convenient to mount and dismount; in order to stabilize and secure the expansion portion 4, the amount of expansion of the expansion portion 4 needs to be limited by the stopper portion 7.

The limiting part 7 comprises a sleeve 71, and the sleeve 71 is sleeved on the rod part 1 through threads; the sleeve 71 is axially movable along the shaft portion 1 to adjust the amount of expansion of the expansion portion 4. Due to the structure, the sleeve 71 is sleeved on the rod part 1 through threads, and when the sleeve 71 is rotated in different directions, the sleeve 71 axially moves in different directions along the rod part 1; the amount of expansion of the expansion 4 is determined by the amount of axial movement of the sleeve 71 along the rod portion 1, so that the expansion 4 compresses or relaxes the inner wall of the compression bore.

Further, the expansion part 4 comprises a plurality of clamp springs 41 which are fixed at one end of the rod part 1 in a surrounding mode at intervals; the middle part of the expansion part 4 protrudes outwards and is in a slope shape towards the two ends; the sleeve 71 limits the amount of expansion of the circlip 41 by pressing the circlip 41 against the inner wall. Due to the structure, the expansion part 4 comprises a plurality of clamp springs 41 which are fixed at one end of the rod part 1 in a surrounding mode at intervals; a gap is reserved between the clamp springs 41, when the sleeve 71 is close to the middle of the expansion part 4 along the axial direction of the rod part 1, as the middle of the expansion part 4 protrudes outwards and is in a slope shape towards two ends, the closer the sleeve 71 is to the middle of the expansion part 4, the larger the deformation quantity of the clamp springs 41 extruded by the inner wall of the sleeve 71 is, the smaller the gap between the clamp springs 41 is compressed, and the expansion part 4 can easily extend into an inner hole of the implant; when the sleeve 71 is far away from the middle part of the expansion part 4 along the axial direction of the rod part 1, the gap between the clamp springs 41 is enlarged, the clamp springs 41 have the tendency of expansion, and the outward bulge part of the middle part of the expansion part 4 expands to clamp the inner hole of the implant, so that the carrier and the implant are fixedly connected; the expansion part 4 can be adapted to the inner holes of the implants with different sizes, and the axial movement amount of the adjusting sleeve 71 along the rod part 1 can be realized.

Example four:

see fig. 9-10. On the basis of the first embodiment, the implant is provided with an inner hole, and the carrying body comprises a rod part 1, an expansion part 4 and a limiting part 7; the expansion part 4 is arranged at one end of the rod part 1; the rod part 1 is used for clamping by a chuck 2; the expansion part 4 is used for extending into an inner hole of the implant and expanding and extruding the inner wall of the inner hole; the stopper portion 7 is used to limit the amount of expansion of the expansion portion 4. Due to the structure, the direct contact between the implant and the carrier is ensured, and the pollution of the chuck 2 to the implant is avoided; in order to make the carrying body have universality, the inner holes of the planting bodies in different planting systems can be matched, the expansion part 4 extends into the inner hole of the planting body, the inner wall of the inner hole is expanded and extruded, the carrying body and the planting body are fixedly connected in an expansion and extrusion mode, and the carrying body is very convenient to mount and dismount; in order to stabilize and secure the expansion portion 4, the amount of expansion of the expansion portion 4 needs to be limited by the stopper portion 7.

Further, the expansion part 4 comprises a fixed block 51, a movable block 52, a spring 53 and a guide rod 54; the fixed block 51 is fixed at one end of the rod part 1; a spring 53 is pressed between the movable block 52 and the fixed block 51; a guide rod 54 fixed on the fixed block 51 penetrates through the spring 53; the guide rod 54 is used for guiding the movable block 52 when the movable block is far away from or attached to the fixed block 51; the limiting part 7 comprises a limiting block 81; the stopper 81 is fixed to one end of the guide rod 54 to limit the amount of expansion between the movable block 52 and the fixed block 51. Due to the above structure, the limiting block 81 is fixed at one end of the guide rod 54, preventing the movable block 52 from popping up from the guide rod 54; when the fixed block 51 and the movable block 52 are compressed by hands or tweezers, the gap between the fixed block 51 and the movable block 52 is reduced, and the expansion part 4 can easily extend into the inner hole of the implant; when the forceps are loosened, the spring 53 enlarges the gap between the fixed block 51 and the movable block 52, and the expansion part 4 extrudes the inner hole of the implant; the expansion part 4 can adapt to inner holes of implants with different sizes, and the compression of the fixed block 51 and the movable block 52 can be realized. The limiting block 81 can be fixed at one end of the guide rod 54 through a screw, and the fixed block 51 and the movable block 52 can be adjusted and compressed by rotating the limiting block 81 through the screw.

Further, there are two guide rods 54. Due to the structure, the guide is stable when the fixed block 51 and the movable block 52 are far away from or attached to each other.

Example five:

see fig. 11-12. On the basis of the first embodiment, the implant is provided with an inner hole, and the carrying body comprises a rod part 1, an expansion part 4 and a limiting part 7; the expansion part 4 is arranged at one end of the rod part 1; the rod part 1 is used for clamping by a chuck 2; the expansion part 4 is used for extending into an inner hole of the implant and expanding and extruding the inner wall of the inner hole; the stopper portion 7 is used to limit the amount of expansion of the expansion portion 4. Due to the structure, the direct contact between the implant and the carrier is ensured, and the pollution of the chuck 2 to the implant is avoided; in order to make the carrying body have universality, the inner holes of the planting bodies in different planting systems can be matched, the expansion part 4 extends into the inner hole of the planting body, the inner wall of the inner hole is expanded and extruded, the carrying body and the planting body are fixedly connected in an expansion and extrusion mode, and the carrying body is very convenient to mount and dismount; in order to stabilize and secure the expansion portion 4, the amount of expansion of the expansion portion 4 needs to be limited by the stopper portion 7.

Further, the limiting part 7 comprises a sleeve 91, and the sleeve 91 is sleeved on the rod part 1 through threads; the sleeve 91 is axially movable along the rod portion 1 to adjust the amount of expansion of the expansion portion 4. Due to the structure, the sleeve 91 is sleeved on the rod part 1 through threads, and when the sleeve 91 is rotated in different directions, the sleeve 91 axially moves in different directions along the rod part 3; the amount of axial movement of the sleeve 91 along the shank 1 determines the amount of expansion of the expansion 4, which facilitates the expansion 4 to compress or relax against the inner wall of the bore.

Further, the expansion part 4 comprises an inner rod 61 and a plurality of tightening parts 62; an inner rod 61 fixed at one end of the rod part 1 penetrates through the tightening part 62; the plurality of tightening parts 62 are fixed at one end of the sleeve 91 at intervals, and the amount of expansion of the tightening parts 62 is limited by pressing the tightening parts 62 with the outer wall of the inner rod 61. Due to the structure, the plurality of tightening parts 62 are fixed at one end of the sleeve 91 at intervals in a surrounding manner, gaps are reserved among the tightening parts 62, when the sleeve 91 moves upwards along the axial direction of the rod part 3, the inner rod 61 is pulled away from the tightening parts 62, the tightening parts 62 have a contraction trend, the gaps among the tightening parts 62 are reduced, and the expansion part 4 can easily extend into an inner hole of an implant; when the sleeve 91 moves downwards along the axial direction of the rod part 3, the inner rod 61 is contacted with the tightening part 62 through an inclined surface, the more the sleeve 91 moves downwards, the larger the gap between the outer wall of the inner rod 61 and the tightening part 62 is pressed by the outer wall of the inner rod 61, and the more the expansion part 4 expands, the tighter the inner hole of the pressed implant is; the expansion part 4 can be adapted to the inner holes of the implants with different sizes, and the axial movement of the adjusting sleeve 91 along the rod part 3 can be realized.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (10)

1. A carrier holding device to which an implant (22) can be fixed to a carrier (23), characterized in that the device comprises a chuck (2) and an abutment (3); the base (3) comprises a base hollow part (31) and a base outer part (32); the hollow part (31) of the base station is used for accommodating a chuck (2); the chuck (2) comprises an external thread part (24) and a deformation part (25); the deformation part (25) and the external thread part (24) are connected into a whole up and down, and a limit hole (26) which can be inserted into the carrying body (23) is arranged in the center of the deformation part (25); the hollow part (31) of the base comprises an internal thread part (38) matched with the external thread part (24) of the chuck (2) and a tapered part (39) matched with the deformation part (25) of the chuck (2); when the external thread portion (24) is screwed upward relative to the internal thread portion (38), the tapered portion (39) presses the deformed portion (25).

2. The carrier holder as claimed in claim 1, wherein the deformation (25) comprises 3-10 relatively spaced deformable dogs.

3. A carrier holding device as claimed in claim 1, wherein said tapered portion (39) has a taper angle of 10 ° to 20 °.

4. The carrier holder as claimed in claim 1, wherein the carrier (23) has a diameter of 2-6 mm and a length of 10-20 mm.

5. The carrier holder as claimed in claim 1, wherein the diameter of the restraint hole (26) is 1-7 mm and the depth of the restraint hole (26) is 6-15 mm.

6. A carrier gripping means according to claim 1, wherein the gripping head (2) further comprises a handle portion (27) provided at the lower end of the externally threaded portion (24); the outer diameter of the handle part (27) is larger than that of the external thread part (24).

7. A carrier holding device as claimed in claim 6, wherein the surface of the handle portion (27) is knurled.

8. A carrier holding device as claimed in claim 6, wherein the handle portion (27) is provided at its lower end with a threaded bore (28); and the threaded hole (28) is provided with a conductive screw (29).

9. The carrier holder according to any of claims 1 to 8, wherein the holder (2), the implant (22) and the carrier (23) are made of electrically conductive material; the base platform (3) is made of insulating materials.

10. A carrier holding device as claimed in any one of claims 1 to 8, wherein the implant (22) is provided with an inner bore, and the carrier (23) comprises a shaft portion (1), an expansion portion (4) and a limiting portion (7); the expansion part (4) is arranged at one end of the rod part (1); the rod part (1) is used for clamping by the chuck (2); the expansion part (4) is used for extending into an inner hole of the implant (22) and expanding and extruding the inner wall of the inner hole; the limiting part (7) is used for limiting the expansion amount of the expansion part (4).

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