CN113662646B - Parallel distraction fusion device instrument bag - Google Patents

Parallel distraction fusion device instrument bag Download PDF

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Publication number
CN113662646B
CN113662646B CN202110898774.0A CN202110898774A CN113662646B CN 113662646 B CN113662646 B CN 113662646B CN 202110898774 A CN202110898774 A CN 202110898774A CN 113662646 B CN113662646 B CN 113662646B
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China
Prior art keywords
adjusting
block
sleeve
piece
end cover
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CN202110898774.0A
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Chinese (zh)
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CN113662646A (en
Inventor
白艳丽
张惠仲
江明雪
仇万裕
孙杨
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Beijing Fule Science & Technology Development Co ltd
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Beijing Fule Science & Technology Development Co ltd
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Publication of CN113662646A publication Critical patent/CN113662646A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7061—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant for stabilising vertebrae or discs by improving the condition of their tissues, e.g. using implanted medication or fluid exchange
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1659—Surgical rasps, files, planes, or scrapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
    • A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
    • A61B17/7064—Devices acting on, attached to, or simulating the effect of, vertebral facets; Tools therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8841—Tools specially adapted to engage a prosthesis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06—Measuring instruments not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4601—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564—Methods for bone or joint treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06—Measuring instruments not otherwise provided for
    • A61B2090/061—Measuring instruments not otherwise provided for for measuring dimensions, e.g. length

Abstract

The application relates to the field of surgical instruments, in particular to a parallel distraction fusion device instrument bag which comprises a fusion device and a holder for clamping the fusion device, wherein the fusion device comprises a connecting block, an abutting end cover connected to the connecting block in a sliding manner and a position adjusting piece arranged on the connecting block and used for driving the abutting end cover to slide; the two abutting end covers are provided, and the position adjusting piece is used for adjusting the distance between the side faces of the two abutting end covers, which deviate from each other; the surgical kit also includes an adjustment assembly for adjusting the positioning member. This application has comparatively conveniently to fuse the size of ware and adjust, makes it and the adaptation of different bone interval, promotes the effect of the convenience of using.

Description

Parallel distraction fusion device instrument bag
Technical Field
The application relates to the field of surgical instruments, in particular to a parallel distraction fusion device instrument bag.
Background
The fusion cage is an important auxiliary device in the process of vertebral operation, and is placed between two adjacent sections of vertebrae in the process of operation, so that the length or the angle of the whole vertebrae can be adjusted, and the treatment purpose is achieved.
In the related art, when the fusion cage is installed between vertebrae, first, the distance between two adjacent vertebrae is measured, the size of the intervertebral distance is adjusted according to the need, fusion cages of different sizes and types are selected, then the fusion cage is placed between the two adjacent vertebrae through an operation rod, and bone cement is injected to bond the fusion cage and the vertebrae.
In view of the above-mentioned related technologies, the inventor found that, in the treatment of different patients, the distances to be adjusted for adjacent vertebral joints are different, and a plurality of different sizes need to be prepared when the fusion cage is used, so that when the fusion cage is installed between vertebrae, the size of the fusion cage cannot be completely matched with the required size, which affects the normal operation of the operation and causes inconvenience to the operation.
Disclosure of Invention
In order to make the different circumstances of being applicable to intervertebral interval that the fusion cage can be more convenient, reduce the normal clear production influence to the operation, the implantation of more convenient completion fusion cage, this application provides a parallel distraction fusion cage apparatus package.
The application provides a parallel fusion cage apparatus package that struts adopts following technical scheme:
a parallel distraction fusion device instrument bag comprises a fusion device and a holding device for clamping the fusion device, wherein the fusion device comprises a connecting block, an abutting end cover connected to the connecting block in a sliding manner and a position adjusting piece arranged on the connecting block and used for driving the abutting end cover to slide; the two abutting end covers are provided, and the position adjusting piece is used for adjusting the distance between the side faces of the two abutting end covers, which deviate from each other; the surgical kit also includes an adjustment assembly for adjusting the positioning member.
Through adopting above-mentioned technical scheme, when implanting the integration ware into the patient internal, according to the size of specific bone interval, adjust the size of integration ware, adjust the interval of two butt end covers through the adjusting part promptly, the size of adjustment integration ware that can be comparatively convenient makes it adapt to in the bone interval of difference, reduces to produce the influence to normal operation, promotes the convenience that the integration ware used.
Optionally, the position adjusting part comprises a position adjusting block connected with the connecting block in a sliding manner and an adjusting bolt connected to the position adjusting block in a threaded manner, the adjusting bolt is rotatably connected with the connecting block, and the adjusting bolt is communicated with one end of the connecting block, which is far away from the position adjusting block; the butt end cover is connected with the positioning block in a sliding mode, guide rails are fixedly connected to the end portions, connected with the connecting block and the positioning block, of the butt end cover, the guide rails are arranged along the sliding direction of the butt end cover, and one end, facing the outside of the fusion device, of each guide rail is inclined towards the direction far away from the middle of the butt end cover; the connecting block is provided with a connecting groove matched with the guide rail, and the positioning block is provided with an adjusting groove matched with the guide rail.
Through adopting above-mentioned technical scheme, when adjusting the interval of butt end lid, use adjusting part directly to rotate adjusting bolt and drive the piece that adjusts the position and slide, drive two butt end covers and slide to opposite direction, realize the adjustment to butt end lid interval, it is comparatively convenient to adjust.
Optionally, a connecting cylinder is fixedly connected to one side of the connecting block, which faces the positioning block, and an opening is formed in one end of the connecting cylinder, which is fixedly connected to the connecting block; the connecting block is provided with a through hole communicated with the inside of the connecting cylinder; the adjusting bolt is rotationally connected to the connecting cylinder; a position supplementing block is arranged between the position adjusting block and the connecting cylinder, and a connecting hole for the penetration of the adjusting bolt is formed in the position supplementing block.
Through adopting the above technical scheme, when assembling the integration ware, the position adjusting block is located the state with the connecting cylinder butt, later install the butt end cover on connecting block and position adjusting block, the position adjusting block slides to the direction of keeping away from the connecting cylinder, the position compensating block is arranged in between position adjusting block and the connecting cylinder, install adjusting bolt again, follow-up in-process of adjusting the position of butt end cover, the position adjusting block can't slide once more to the position with the connecting cylinder butt, be difficult to appear the problem that the butt end cover drops promptly, the stability of butt end cover installation on connecting block and position adjusting block has been promoted, it is comparatively convenient that follow-up size to this integration ware is adjusted.
Optionally, a snap spring is arranged in the connecting cylinder, an embedding groove for embedding the snap spring is formed in the inner wall of the connecting cylinder, one side of the head of the adjusting bolt abuts against the snap spring, and the other side of the head of the adjusting bolt abuts against the side wall of the end of the connecting cylinder; two opposite sides of the side wall of the connecting cylinder are provided with taking holes for the snap spring to pass through; two operation holes are further formed in the side wall of the connecting cylinder, and the two operation holes are located in the gap between the two taking holes respectively.
Through adopting above-mentioned technical scheme, insert adjusting bolt in the connecting cylinder and with positioning block threaded connection after, inject adjusting bolt's position through the jump ring, it is comparatively convenient to operate.
Optionally, the holder comprises a connecting rod in threaded connection with the connecting block, and a through hole is formed in the connecting rod along the axis; a sleeve is arranged outside the connecting rod, and the connecting rod is rotationally connected with the sleeve; the sleeve is fixedly connected with a limiting bulge on the end face of the connecting block, and a limiting groove for embedding the limiting bulge is formed in the connecting block.
Through adopting above-mentioned technical scheme, when carrying out the centre gripping to the fusion ware, spacing arch is aimed at with spacing recess, in the through-hole with connecting rod screw in, connects connecting rod and connecting block, fixes connecting rod and connecting block through spacing arch and spacing recess simultaneously, and the connecting rod is difficult to appear and connecting block relative rotation's problem, promotes the convenience of carrying out the centre gripping operation to the fusion ware.
Optionally, this parallel implantation device that struts integration ware still wraps the piece examination mould, the examination mould is including the installation section of thick bamboo, fix the installation piece at installation section of thick bamboo tip, sliding connection is at two butt pieces on the installation piece and be used for carrying out the sliding part of adjusting butt piece position, sliding part is including setting up in the installation section of thick bamboo and rotate the actuating lever of being connected with the installation section of thick bamboo, the actuating lever tip pierces through the installation piece, the tip threaded connection that the actuating lever pierces through the installation piece has the slider, butt piece simultaneously with slider sliding connection, the slider slides and adjusts the interval of two butt pieces.
Through adopting above-mentioned technical scheme, before implanting the integration ware, can be comparatively convenient measure the bone interval, follow-up operation such as implantation that carries out the integration ware is more convenient, can be more accurate confirm and adjust the size of integration ware.
Optionally, the instrument bag further comprises a reamer, the reamer comprises a sleeve, one end of the sleeve is fixedly connected with a mounting block, a mounting hole is formed in the mounting block, two reamer heads are arranged in the mounting hole, the reamer heads are connected with the sleeve in a sliding mode, and the sliding direction of the reamer heads is perpendicular to the length direction of the sleeve; an adjusting piece for driving the reamer head to slide is arranged in the sleeve.
Through adopting above-mentioned technical scheme, before carrying out the implantation of fusion ware, use the reamer to repair the terminal surface of the bone of pouring into position department, adjust the interval of two reamer heads through the regulating part for this reamer can be applicable to and process, the phenomenon of repairing different bone intervals, promotes the suitability of this reamer.
Optionally, the adjusting part comprises an adjusting column rotatably connected in the sleeve and an adjusting block in threaded connection with the end of the adjusting column, the adjusting block is located in the mounting hole, and the adjusting block is in sliding connection with the mounting block; the reamer head is connected with the adjusting block in a sliding mode, and an included angle between the reamer head and the axis of the adjusting column relative to the sliding direction of the adjusting block is larger than 0 degree and smaller than 90 degrees.
Through adopting above-mentioned technical scheme, when adjusting the interval to two reamer heads, direct rotation adjust the pole can, it is comparatively convenient to carry out the operation adjusted to the interval of reamer head.
Optionally, the surgical kit further comprises a counter; the adjusting assembly comprises an adjusting rod for adjusting the adjusting piece and a connecting sleeve arranged on the adjusting rod, and the adjusting rod penetrates through the holder and is connected with the adjusting piece; the counter comprises a counting body connected to the holding device and a counting terminal installed on the counting body, wherein the connecting sleeve is sleeved on the counting terminal and drives the counting terminal to synchronously rotate along with the adjusting rod.
Through adopting above-mentioned technical scheme, when adjusting the size of fusing the ware, the cooperation counter is confirmed the scope of adjustment, and the size after the adjustment of the definite fusing ware that can be comparatively convenient is implanted the operation in patient's bone clearance with fusing the ware comparatively convenient, promotes the convenience of using.
Optionally, the surgical instrument kit further comprises an injection part, wherein the injection part comprises an injection funnel and an injection tube fixed on the injection funnel, a fixing part used for fixing the injection funnel and the holder is arranged on the injection tube, and the injection tube penetrates through the holder and extends into the fusion device; the fixing piece comprises a butt joint plate fixed on the injection tube and a fixing end cover connected to the injection tube in a rotating mode, the fixing end cover is in threaded connection with the holder, and the butt joint plate is clamped between the fixing end cover and the holder.
Through adopting above-mentioned technical scheme, with the back between the bone is implanted to the integration ware, penetrate the carrier with the injection tube and insert the integration ware in, follow-up can be more convenient inject bone cement into the integration ware in, promote the convenience of the operation of injecting bone cement, fix the injection tube on the carrier through the mounting, it is comparatively convenient to operate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the size of the fusion cage can be conveniently adjusted through the arranged abutting end cover and the adjusting piece, when the fusion cage is implanted, the size of the fusion cage can be adjusted to be the same as the corresponding bone spacing, the influence on normal operation is reduced, and the use convenience of the fusion cage is improved;
2. through the arranged position compensating block, the problem that the abutting end cover falls off from the connecting block and the adjusting block is not easy to occur in the process of adjusting the size of the fusion device, and the stability of the overall structure of the fusion device is improved;
3. the cage can be conveniently clamped through the arranged holder, so that the operation of implanting the cage is more convenient, in addition, the bone spacing can be conveniently determined through the arranged trial model, the operation of measuring for multiple times is reduced, and the efficiency of operation is improved;
4. the counter is matched with the adjusting assembly for use, so that the adjusted size of the fusion cage can be determined conveniently when the size of the fusion cage is adjusted, the size of the fusion cage can be adjusted to a preset value conveniently when the fusion cage is implanted into a bone gap, and the convenience of the implantation operation of the fusion cage is improved;
5. through the reamer that sets up, the regulating part is adjusted the interval of two reamer heads, can be applicable to the phenomenon of revising the processing to the bone interval of difference, promotes the convenience that the reamer used.
Drawings
FIG. 1 is a schematic view of a cage according to an embodiment of the present application;
FIG. 2 is a schematic view illustrating a connection structure of the aligning member and the connecting block;
FIG. 3 is a schematic view showing the structure of the adjusting bolt and the clamp spring;
FIG. 4 is a schematic diagram illustrating a mounting structure of the bit compensation block;
FIG. 5 is a schematic view of the structure of the holder;
FIG. 6 is a schematic view illustrating a connection structure of a connecting rod and an adapter;
FIG. 7 is a schematic structural diagram of an adjustment assembly and a counter of an embodiment of the present application;
FIG. 8 is a schematic view illustrating a structure of a position limiting member;
FIG. 9 is an enlarged schematic view of portion A of FIG. 7;
FIG. 10 is a schematic view of the structure of a test mold;
FIG. 11 is a schematic view showing the structure of the abutment block and the driving member;
fig. 12 is a schematic view for showing a connection structure of the rotating sleeve and the driving lever.
FIG. 13 is a schematic view of the injection member;
FIG. 14 is a schematic view of the overall construction of the reamer;
FIG. 15 is a schematic view for showing the structure of the regulating member;
FIG. 16 is a schematic view showing a coupling structure of a torsion sleeve and a driving lever;
FIG. 17 is a schematic view for showing the structure of the clamping member;
fig. 18 is an enlarged schematic view of a portion B in fig. 17.
Description of reference numerals: 1. a fusion device; 11. connecting blocks; 111. a connecting cylinder; 1111. caulking grooves; 1112. taking a hole; 1113. an operation hole; 112. a through hole; 113. connecting grooves; 114. a clamp spring; 115. a reinforcing block; 116. a limiting groove; 12. abutting the end cap; 121. a guide rail; 122. a yielding groove; 123. a groove; 124. an abutting edge; 125. communicating the holes; 13. a position adjusting part; 131. a bit adjustment block; 1311. an adjustment groove; 132. adjusting the bolt; 133. a linker; 1331. a clamping part; 134. a bit complementing block; 1341. a clamping groove; 1342. connecting holes; 2. a holder; 21. a connecting rod; 211. perforating holes; 212. a threaded connection; 22. a sleeve; 221. a limiting bulge; 222. cleaning the holes; 23. a transfer post; 231. a yielding cavity; 24. a handle; 3. an adjustment assembly; 31. adjusting a rod; 311. an adjustment section; 312. a guide cylinder; 313. a grip handle; 32. connecting columns; 321. a limiting groove; 322. accommodating a tank; 33. connecting sleeves; 331. clamping edges; 34. a limiting member; 341. a limiting column; 342. adjusting the spring; 343. a limiting edge; 4. a counter; 41. a counting body; 42. a counting terminal; 421. clamping the caulking groove; 5. testing a mold; 51. mounting the cylinder; 511. a grip portion; 512. a holding groove; 52. an installation body; 53. a butting block; 54. a sliding member; 541. a drive rod; 5411. inserting grooves; 542. a slider; 55. rotating the sleeve; 551. a rotating groove; 552. a plug rod; 56. scale marks; 6. an injection member; 61. an injection funnel; 611. an anti-slip groove; 62. an injection tube; 63. a fixing member; 631. a butt joint plate; 632. fixing an end cover; 7. a reamer; 71. a sleeve; 711. cleaning the holes; 72. mounting blocks; 721. mounting holes; 722. a guide hole; 73. a reamer head; 731. a sliding hole; 74. an adjustment member; 741. an adjustment column; 7411. positioning a groove; 7412. inserting grooves; 742. an adjusting block; 743. sliding the column; 744. a guide post; 75. an operating handle; 751. positioning a bolt; 752. an accommodating chamber; 76. a connecting pipe; 77. screwing the sleeve; 771. inserting the columns; 78. a clamping member; 781. clamping the screw rod; 782. a clamping block; 783. and (5) locking the handle.
Detailed Description
The present application is described in further detail below with reference to figures 1-18.
The embodiment of the application discloses a parallel distraction fusion apparatus instrument bag. Including fusing ware 1 and the holder 2 that is used for centre gripping fusing ware 1, refer to fig. 1 and fig. 2, this fusing ware 1 includes connecting block 11, sliding connection butt end cover 12 on connecting block 11 and the adjusting part 13 of setting on connecting block 11, adjusts two butt end cover 12's interval through adjusting part 13 for the holistic size of fusing ware 1 and the different condition adaptations of bone interval reduce and produce the influence to normal operation.
Referring to fig. 2 and 3, the positioning member 13 includes a positioning block 131 slidably connected to the connecting block 11 and an adjusting bolt 132 screwed onto the positioning block 131, and the adjusting bolt 132 is rotatably connected to the connecting block 11, specifically, a connecting cylinder 111 is fixedly connected to a side of the connecting block 11 facing the positioning block 131, one end of the connecting cylinder 111 fixedly connected to the connecting block 11 is an opening, a through hole 112 communicated with the inside of the connecting cylinder 111 is formed in the connecting block 11, and the adjusting bolt 132 is rotatably connected to one end of the connecting cylinder 111 facing the positioning block 131; the abutting end covers 12 are connected with the position adjusting block 131 in a sliding mode, the position adjusting block 131 slides relative to the connecting block 11, the two abutting end covers 12 are driven to slide in opposite directions, and the distance between the abutting end covers 12 is adjusted.
Referring to fig. 1 and 2, two guide rails 121 are fixedly connected to the end surface of the end cover 12, the guide rails 121 are arranged along the sliding direction of the end cover 12, and the two guide rails 121 are respectively located at two opposite side edges of the end surface of the end cover 12; the connecting block 11 is provided with a connecting groove 113 matched with the guide rail 121, and the guide rail 121 is embedded in the connecting groove 113 and is connected with the connecting block 11 in a sliding manner; the positioning block 131 is provided with an adjusting groove 1311 adapted to the guide rail 121, and the guide rail 121 is embedded in the corresponding adjusting groove 1311 and slidably connected to the positioning block 131; the end surfaces of the abutting end cover 12 facing the connecting block 11 and the positioning block 131 are both set to be inclined surfaces, specifically, one side edge of the abutting end cover 12 facing the outside of the fusion device 1 is inclined towards the direction far away from the middle part of the abutting end cover 12; in the process of making the positioning block 131 keep away from the connecting block 11, the two abutting end covers 12 are close to the middle part, and when the positioning block 131 is close to the connecting block 11, the two abutting end covers 12 are expanded outwards.
When using this fusion cage 1 to carry out the operation, rotate adjusting bolt 132, adjust the interval between positioning block 131 and the connecting block 11, can realize the adjustment to two butt end cover 12 intervals for this fusion cage 1 can be comparatively convenient be applicable to the different condition of multiple vertebra interval, reduce and produce the influence to the operation, promoted the convenience that this fusion cage 1 used.
Referring to fig. 2 and 3, a snap spring 114 for limiting the position of the adjusting bolt 132 is arranged in the connecting cylinder 111, specifically, an embedding groove 1111 for installing the snap spring 114 is formed in the inner wall of the connecting cylinder 111, one side of the head of the adjusting bolt 132 abuts against the snap spring 114, and the other side abuts against the side wall of the inner end of the connecting cylinder 111; the connecting cylinder 111 is provided with two taking and placing holes 1112 in the side wall for mounting and dismounting the clamp spring 114, and the two taking and placing holes 1112 are positioned on two opposite sides of the side wall of the connecting cylinder 111; two operation holes 1113 are further formed in the side wall of the connecting cylinder 111 so as to facilitate taking and placing operations on the snap spring 114, specifically, the two operation holes 1113 are respectively located in a gap of the taking and placing hole 1112, so that the operation is more convenient when the snap spring 114 needs to be installed or the snap spring 114 is taken out.
Referring to fig. 1 and 2, two reinforcing blocks 115 are fixedly connected to the outer wall of the connecting cylinder 111, the two reinforcing blocks 115 are respectively located at positions on the outer wall of the connecting cylinder 111 corresponding to the operation holes 1113, the operation holes 1113 penetrate through the corresponding reinforcing blocks 115, and the connecting cylinder 111 is reinforced by the reinforcing blocks 115, so that the problem that the side wall of the connecting cylinder 111 between the taking and placing hole 1112 and the operation holes 1113 is broken and damaged can be reduced, the firmness of the whole structure is improved, and the service life is prolonged; correspondingly, the position of the abutting end cover 12 corresponding to the reinforcing block 115 is provided with a yielding groove 122, so that the problem of interference between the abutting end cover 12 and the reinforcing block 115 is reduced in the process of controlling the two abutting end covers 12 to be close.
In the assembling process, two abutting end covers 12 are installed on the connecting block 11 and the positioning block 131, the guide rails 121 are embedded in the corresponding connecting grooves 113 and the adjusting grooves 1311, the adjusting bolts 132 are inserted into the connecting cylinder 111 and are screwed on the positioning block 131, the clamp springs 114 are pressurized in the state that the adjusting bolts 132 abut against the side wall of the inner end portion of the connecting cylinder 111, the clamp springs are placed into the connecting cylinder 111 from the taking holes 1112 and are embedded into the embedding grooves 1111, the position of the adjusting bolts 132 can be limited, then the adjusting bolts 132 can be directly rotated, the positioning block 131 can be driven to slide, and the distance between the two abutting end covers 12 can be adjusted.
Referring to fig. 3 and 4, a connecting body 133 is fixedly connected to a side surface of the positioning block 131 facing the connecting cylinder 111, and the connecting body 133 and the positioning block 131 are integrally formed; a position supplementing block 134 is arranged on one side, facing the connecting cylinder 111, of the connecting body 133, the position supplementing block 134 abuts against the end face of the connecting cylinder 111, a clamping portion 1331 is integrally formed on the connecting body 133, the cross section of the clamping portion 1331 is in a T shape, and a clamping groove 1341 matched with the clamping portion 1331 is formed in the position supplementing block 134; the position supplementing block 134 is provided with a connecting hole 1342 through which the adjusting bolt 132 passes, and the position supplementing block 134 is in threaded connection with the adjusting bolt 132.
When the fusion cage 1 is assembled, the positioning block 131 is arranged at a position abutted to the connecting cylinder 111, specifically, the clamping portion 1331 is abutted to the connecting cylinder 111, at this time, the guide rails 121 are respectively aligned with the corresponding connecting grooves 113 and the corresponding adjusting grooves 1311, the abutting end cover 12 is installed on the connecting block 11 and the positioning block 131, the positioning block 131 slides in a direction away from the connecting cylinder 111, so that the guide rails 121 are embedded into the connecting grooves 113 and the adjusting grooves 1311, at this time, the positioning block 134 is installed on the connecting body 133, the adjusting bolt 132 is screwed on the positioning block 131, the adjusting bolt 132 is adjusted to a position abutted to the side wall of the inner end portion of the connecting cylinder 111, the snap spring 114 is installed in the embedding groove, the adjusting bolt 132 is limited, and the installation of the fusion cage 1 can be completed, and the operation is convenient.
When implanting this integration ware 1, drive the in-process that two butt end covers 12 kept away from each other through rotating adjusting bolt 132, because of the benefit position piece 134 that sets up, position adjusting block 131 can't slide again to the position department of joint portion 1331 and connecting cylinder 111 butt, and butt end cover 12 can not drop from connecting block 11 and position adjusting block 131 promptly, when adjusting this integration ware 1, need not worry the problem that butt end cover 12 drops, promotes the convenience that this integration ware 1 used.
Referring to fig. 1, the side of the abutting end cover 12 facing the outside of the fusion cage 1 is set to be a cambered surface, so that the thickness of the abutting end cover 12 at one end of the positioning block 131 is greater than that at one end of the connecting block 11; a plurality of grooves 123 are formed in the arc-shaped side surface of the abutting end cover 12, and the plurality of grooves 123 are arranged in a crossed manner, so that a plurality of abutting edges 124 are formed on the arc-shaped side surface of the abutting end cover 12; the side of setting up butt end cover 12 is the arc, makes it better with the shape adaptation of bone, implants this integration ware 1 between the bone, and this integration ware 1 passes through butt along 124 and bone butt, promotes the stability of being connected with the bone.
Referring to fig. 1, the middle of the side of the butt end cap 12 facing the outside of the fusion cage 1 is provided with a communication hole 125; after accomplishing the implantation operation of fusing ware 1, need to fix with the bone that bonds fusing ware 1 to fusing ware 1 department injection bone cement, through the intercommunication hole 125 of seting up for injected bone cement can be more smooth and easy flow to between butt end cover 12 and the bone, promote the convenience of operation.
Referring to fig. 5 and 6, the holder 2 includes a connecting rod 21 in threaded connection with the connecting block 11, the end of the connecting rod 21 is inserted into the through hole 112, and a through hole 211 is formed in the middle of the connecting rod 21 along the axial direction thereof for other tools to pass through the fusion cage 1 to operate the fusion cage 1; the connecting rod 21 is provided with a sleeve 22, the sleeve 22 is rotatably connected with the connecting rod 21, specifically, one end of the sleeve 22, which is far away from the connecting block 11, is fixedly connected with an adapter column 23, the connecting rod 21 penetrates through the adapter column 23, a threaded connection part 212 is integrally formed on a part of the connecting rod 21, which is located in the adapter column 23, a yielding cavity 231 for accommodating the threaded connection part 212 is formed in the adapter column 23, and the threaded connection part 212 is in threaded fit with one end, which is far away from the sleeve 22, of the adapter column 23; two limiting protrusions 221 are fixedly connected to the end face, facing the connecting block 11, of the sleeve 22, and a limiting groove 116 for the limiting protrusions 221 to be embedded into is formed in the connecting block 11; a handle 24 is fixedly connected to the changeover post 23; in addition, the sleeve 22 is provided with a cleaning hole 222, and after the sleeve is used for a period of time, the cleaning hole 222 is used for flushing water into the sleeve 22, so that the sleeve can be cleaned conveniently.
When the holder 2 is used for clamping the fusion cage 1, firstly, the limiting protrusion 221 is embedded into the limiting groove 116, then the connecting rod 21 is rotated, so that the connecting rod 21 is in threaded connection with the connecting block 11, in the process, the connecting rod 21 slides towards the direction of the connecting block 11, so that the threaded connection part 212 is abutted against the side wall, close to the connecting block 11, in the abdicating cavity 231, the position of the sleeve 22 is limited, and the fusion cage 1 is clamped; when will hold and get ware 2 and take off, direct rotation connecting rod 21, make connecting rod 21 and the separation of connecting block 11, later can will hold and get ware 2 and take off, it is comparatively convenient to use this to hold the operation that gets ware 2 and carry out the centre gripping to fusing ware 1, screw up connecting rod 21 on connecting block 11 or with the in-process that connecting rod 21 was twisted off from connecting block 11, prescribe a limit to the position of connecting block 11 through sleeve 22, reduce to appear connecting rod 21 and drive the 1 pivoted problem of fusing ware, promote the convenience of operation.
Referring to fig. 7 and 8, the instrument set further comprises an adjusting component 3 for adjusting the fusion device 1 and a counter 4 used in cooperation with the adjusting component 3, wherein the adjusting component 3 comprises an adjusting rod 31 used in cooperation with an adjusting bolt on the fusion device 1, a connecting column 32 arranged on the adjusting rod 31 and a connecting sleeve 33 fixed on the connecting column 32; the end of the adjusting rod 31 is fixedly connected with an adjusting part 311, the cross section of the adjusting part 311 is polygonal, when the size of the fusion cage 1 is adjusted by using the adjusting component 3, the adjusting part 311 is inserted into the adjusting bolt 132 to drive the adjusting bolt 132 to rotate; the counter 4 includes the count body 41 of threaded connection on the holding ware 2 and installs the count terminal 42 on counting body 41, and count terminal 42 is connected with adjusting the pole 31, and the in-process that adjusting pole 31 was adjusted fuse ware 1 drives count terminal 42 and rotates.
Referring to fig. 7 and 8, the connecting column 32 is rotatably connected with the adjusting rod 31, a limiting member 34 for limiting the positions of the connecting column 32 and the adjusting rod 31 is arranged between the connecting column 32 and the adjusting rod 31, the limiting member 34 includes a limiting column 341 fixed on the adjusting rod 31 and an adjusting spring 342 sleeved on the adjusting rod 31, specifically, the cross section of the limiting column 341 is polygonal, a limiting groove 321 for embedding the limiting column 341 is formed in the end surface of the connecting column 32, and the limiting column 341 is embedded in the limiting groove 321, so that the connecting column 32 and the adjusting rod 31 rotate synchronously; meanwhile, the connecting column 32 can slide relative to the adjusting rod 31, the limiting column 341 is fixedly connected with a limiting edge 343 towards one end of the adjusting part 311, and the limiting edge 343 is abutted against the end face of the connecting column 32.
Referring to fig. 8 and 9, an accommodating groove 322 is formed in an end surface of the connecting column 32 away from the limiting column 341, the adjusting rod 31 is fixedly connected with a guide cylinder 312, the guide cylinder 312 is located at an opening position of the accommodating groove 322, and the guide cylinder 312 is located in the accommodating groove 322 and is slidably connected with the connecting column 32; the adjusting spring 342 is positioned in the accommodating groove 322, one end of the adjusting spring 342 is fixedly connected with the guide cylinder 312, and the other end is fixedly connected with the bottom of the accommodating groove 322; the connecting sleeve 33 is located on one side of the connecting column 32 far away from the guide cylinder 312, the connecting sleeve 33 is sleeved on the counting terminal 42, the inner wall of the connecting sleeve 33 is fixedly connected with a plurality of clamping edges 331, the clamping edges 331 are arranged along the axial direction of the adjusting rod 31, and the outer wall of the counting terminal 42 is provided with a clamping caulking groove 421 for the clamping edges 331 to be embedded.
When the fusion cage 1 is implanted, the holder 2 is clamped on the fusion cage 1, the counter 4 is screwed on the holder 2, the adjusting rod 31 penetrates through the counter 4 and the holder 2, the angle of the adjusting rod 31 is adjusted, the adjusting part 311 is aligned with the groove on the adjusting bolt, the connecting column 32 slides towards the direction far away from the counter 4, the adjusting part 311 is inserted into the groove on the adjusting bolt, at the moment, the limiting column 341 is separated from the limiting groove 321, the connecting column 32 is rotated, the clamping edge 331 is aligned with the corresponding clamping caulking groove 421, the connecting column 32 slides towards the direction of the counter 4 under the action of the adjusting spring 342, the connecting sleeve 33 is sleeved on the counting terminal 42, meanwhile, the limiting column 341 is embedded in the limiting groove 321, and then the size of the fusion cage 1 is adjusted by rotating the adjusting rod 31.
Through setting up counter 4 and adjusting part 3 cooperation use, the size of confirming to fusing 1 adjustment that can be comparatively convenient, need not carry out a lot of measurements to the size that fuses 1, promote the convenience of operation, spliced pole 32 and locating part 34 through setting up, when will adjusting the inslot that pole 31 inserted on the adjusting bolt that corresponds, slide spliced pole 32 and adapter sleeve 33 to the direction of keeping away from counter 4, can adjust adjusting lever 31 and adapter sleeve 33 alone, adjust portion 311 and joint along 331's alignment operation respectively, the reduction produces the influence to measuring accuracy, promote the accuracy to fusing the size determination of 1 adjustment.
Referring to fig. 7 and 8, the end of the adjusting lever 31 is fixedly connected with a grip 313, so that the adjusting lever 31 can be rotated more conveniently and more easily.
Referring to fig. 10 and 11, the kit further comprises a test model 5 for measuring the size between bones before the fusion cage 1 is implanted, and the test model comprises a mounting cylinder 51, a mounting body 52 fixed at the end of the mounting cylinder 51, two abutting blocks 53 slidably connected to the mounting body 52, and a sliding member 54 for adjusting the positions of the abutting blocks 53; sliding piece 54 is including setting up in installation section of thick bamboo 51 and with installation section of thick bamboo 51 rotation connection's actuating lever 541, actuating lever 541 end pierces through installation body 52, the end threaded connection that actuating lever 541 pierces through installation body 52 has slider 542, also be sliding connection between butt piece 53 and the slider 542, drive slider 542 through actuating lever 541 and slide for installation block 52, can drive two butt pieces 53 and slide to opposite direction, adjust the interval of two butt pieces 53.
Referring to fig. 11 and 12, a rotating sleeve 55 is connected to one end of the mounting cylinder 51 far from the mounting body 52 through a thread, an insertion rod 552 is fixedly connected in the rotating sleeve 55, an insertion groove 5411 for inserting the insertion rod 552 is formed in an end portion of the driving rod 541, specifically, the section of the insertion rod 552 is hexagonal, and the insertion rod 552 is slidably connected with the driving rod 541; the rotating sleeve 55 is provided with scale marks 56 at intervals towards one end of the mounting body 52, and the outer wall of the mounting cylinder 51 is also provided with scale marks 56 along the axis direction thereof.
Rotate actuating lever 541 and adjust two butt joint piece 53's interval, rotatory rotating sleeve 55 drives actuating lever 541 pivoted in-process, and rotating sleeve 55 slides along the axis direction of installation section of thick bamboo 51, and through the scale mark 56 that sets up, can be comparatively convenient confirm two butt joint piece 53 gliding distances, do not need follow-up interval to two butt joint piece 53 to measure, have promoted the convenience of using.
Referring to fig. 10, a holding portion 511 is fixedly connected to the mounting tube 51, a plurality of holding grooves 512 are formed in the holding portion 511, and the length of each holding groove 512 is parallel to the axial direction of the mounting tube 51; the circumferential surface of the rotating sleeve 55 is provided with a plurality of rotating grooves 551, and the length direction of the rotating grooves 551 is parallel to the rotating axis of the rotating sleeve 55.
Referring to fig. 13, the surgical instrument set further includes an injection member 6 for injecting bone cement into the fusion cage 1 to achieve the bonding fixation of the fusion cage 1 and the bone, the injection member 6 includes an injection funnel 61 and an injection tube 62 fixed on the injection funnel 61, the injection tube 62 penetrates through the holder 2 and extends into the fusion cage 1, and a fixing member 63 for fixing with the holder 2 is disposed on the injection tube 62; the fixing piece 63 comprises a butt plate 631 fixed on the injection tube 62 and a fixing end cap 632 rotatably connected on the injection tube 62, wherein the fixing end cap 632 is in threaded connection with the holder 2, and the fixing end cap 632 is in sliding connection with the injection tube 62; after the injection tube 62 passes through the holder 2, the abutting plate 631 abuts against the holder 2, the fixing end cover 632 is screwed on the holder 2, the abutting plate 631 is clamped and fixed, the injection funnel 61 and the injection tube 62 can be conveniently fixed, and the injection funnel 61 and the injection tube 62 are not prone to shaking in the subsequent bone cement injection process; a plurality of anti-slip grooves 611 are formed in the injection funnel 61, so that the injection funnel 61 can be taken out conveniently.
Referring to fig. 14 and 15, the surgical instrument kit further comprises a reamer 7, the shape of the end of the bone of the patient is adjusted before the fusion device 1 is implanted, the reamer 7 comprises a cannula 71 and a mounting block 72 fixed at one end of the cannula 71, a mounting hole 721 is formed in the mounting block 72, two reamer heads 73 are arranged in the mounting hole 721, the reamer heads 73 are slidably connected with the mounting block 72, and the sliding direction of the reamer heads 73 is perpendicular to the axial direction of the cannula 71; the sleeve 71 and the mounting block 72 are provided with an adjusting piece 74 for adjusting the position of the reamer head 73, the adjusting piece 74 comprises an adjusting column 741 connected in the sleeve 71 in a rotating manner, the end part of the adjusting column 741 extends into the mounting hole 721, the end part of the adjusting column 741 located in the mounting hole 721 is connected with an adjusting block 742 in a threaded manner, the adjusting block 742 is connected with the mounting block 72 in a sliding manner, and when the adjusting column 741 is rotated, the adjusting block 742 slides along the axial direction of the adjusting column 741; the sleeve 71 is provided with a cleaning hole 711 to facilitate cleaning of the inside of the sleeve 71.
Referring to fig. 14 and 15, the reaming head 73 is slidably connected to the adjusting block 742, and the side surfaces of the reaming head 73 are abutted to the side walls of the mounting hole 721, specifically, the adjusting block 742 is fixedly connected to a sliding column 743, the reaming head 73 is provided with a sliding hole 731 through which the sliding column 743 penetrates, the sliding column 743 is slidably connected to the reaming head 73, and the sliding hole 731 is obliquely arranged, and one end of the sliding hole 731 facing the outside of the mounting block 72 is inclined toward the direction of the sleeve 71; the adjusting column 741 is rotated to drive the adjusting block 742 to slide along the axial direction of the adjusting column 741, so that the hinging heads 73 slide in the direction perpendicular to the axial direction of the adjusting column 741, and the distance between the two hinging heads 73 is adjusted.
When the terminal surface to patient's bone interval, bone is repaiied, often need use not unidimensional reamer 7, have two through setting up reamer head 73 to set up regulating part 74 and adjust the interval of reamer head 73, can be applicable to not unidimensional operation with this reamer 7, at the in-process of carrying out the operation, also can be comparatively convenient adjust the size of reamer 7, promoted the convenience of using.
Referring to fig. 14 and 16, an operating handle 75 is fixedly connected to one end of the sleeve 71 away from the mounting block 72, a positioning bolt 751 is disposed on the operating handle 75, a positioning groove 7411 is disposed on a side surface of the adjusting column 741 located in the handle, the positioning groove 7411 is disposed around a circumference of the side surface of the adjusting column 741, and the adjusting column 741 is embedded in the positioning groove 7411, so that the adjusting column 741 is rotatably connected to the sleeve 71; a connecting pipe 76 is fixedly connected to one side, away from the sleeve pipe 71, of the operating handle 75, a screwing sleeve 77 is connected to the connecting pipe 76 in a threaded manner, a plug-in post 771 is fixedly connected to the screwing sleeve 77, a plug-in groove 7412 for the plug-in post 771 to be embedded into is formed in the adjusting post 741, the cross section of the plug-in post 771 is polygonal, and the plug-in post 771 is slidably connected with the adjusting post 741.
The adjusting column 741 is rotatably connected with the sleeve 71 through the positioning bolt 751, so that the installation is convenient, in addition, the screwing sleeve 77 is arranged to drive the adjusting column 741 to rotate, and the operation is labor-saving and convenient when the position of the reamer head 73 is adjusted.
Referring to fig. 17 and 18, a clamping member 78 for fixing an adjusting post 741 is disposed on the operating handle 75, the clamping member 78 includes a clamping screw 781 rotatably connected to the operating handle 75, two clamping blocks 782 are disposed on a portion of the clamping screw 781 located in the operating handle 75, the two clamping blocks 782 are uniformly in threaded connection with the clamping screw 781, an accommodating cavity for accommodating the clamping blocks 782 is disposed in the operating handle 75, two threads 752 with opposite turning directions are disposed on the clamping screw 781, and the clamping screw 781 is rotated to drive the two clamping blocks 782 to slide in opposite directions; the two clamping blocks 782 are positioned at two sides of the adjusting column 741, and the side surface of the clamping block 782, which is attached to the adjusting column 741, is provided with a cambered surface; one end of the clamping screw 781 penetrates to the outside of the operating handle 75, and a locking handle 783 is fixed to the end thereof.
After the position of the reamer head 73 is adjusted, the locking handle 783 is rotated, the clamping block 782 is driven by the clamping screw 781 to be tightly abutted to the adjusting column 741, the adjusting column 741 is clamped and fixed, the reamer head 73 is stressed to drive the adjusting column 741 to rotate in the process of correcting the bone of a patient by using the reamer 7, and the stability of fixing the position of the reamer head 73 is improved.
Referring to fig. 14 and 15, a guide post 744 is connected to one end of the adjusting block 742, which is far away from the adjusting post 741 in a threaded manner, a guide hole 722 is formed in an end face of the mounting block 72, which is far away from the adjusting post 741, and the guide hole 722 is communicated with the mounting hole 721; when assembling the reamer 7, the adjustment block 742 and the reamer head 73 are mounted on the mounting block 72, the guide post 744 is inserted into the guide hole 722, the guide post 744 is screwed to the adjustment block 742, the position of the adjustment block 742 is reinforced by the guide post 744, and the stability of the connection between the adjustment block 742 and the mounting block 72 is improved.
The implementation principle of the parallel distraction fusion apparatus instrument bag in the embodiment of the application is as follows: when the fusion cage 1 is implanted, the distance between the two abutting end covers 12 can be conveniently adjusted by rotating the adjusting bolt 132, so that the size of the fusion cage 1 can be conveniently adjusted, the fusion cage is more conveniently suitable for the condition of different bone distances, the influence on normal operation is reduced, and the convenience of the implantation operation on the fusion cage 1 is improved; through the position supplementing block 134 that sets up, in the in-process of adjusting the position of butt end cover 12, be difficult to appear butt end cover 12 from connecting block 11 and the problem that drops on the position adjusting block 131, promote the convenience that fuses ware 1 used.
Use and hold ware 2 when carrying out the centre gripping to fuse ware 1, in the spacing recess 116 that corresponds with spacing arch 221 embedding, later rotate connecting rod 21, make it screw up on connecting block 11, and inject sleeve 22's position through threaded connection portion 212, it is comparatively convenient to carry out the operation of centre gripping to fuse ware 1, when will hold ware 2 and pull down, through sleeve 22, spacing arch 221 is injectd the position of connecting block 11, reduce connecting rod 21 and drive the problem that fuses ware 1 pivoted, the operation that will hold ware 2 and take off is more stable, smooth and easy.
Preliminary measurement is carried out the bone interval through examination mould 5 and is confirmed, can be comparatively convenient carry out follow-up adjustment and implantation etc. of fusing ware 1 and operate, drive connecting rod 41 through setting up rotating sleeve 55 and rotate, observe the adjustment distance to butt joint piece 53 that scale mark 56 can be comparatively convenient and confirm, need not measure in addition, confirm more conveniently to the bone interval.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a parallel distraction fusion apparatus saddlebag which characterized in that: the fusion cage comprises a fusion cage (1) and a holding device (2) used for clamping the fusion cage (1), wherein the fusion cage (1) comprises a connecting block (11), an abutting end cover (12) connected to the connecting block (11) in a sliding manner and a position adjusting piece (13) arranged on the connecting block (11) and used for driving the abutting end cover (12) to slide; the number of the abutting end covers (12) is two, and the position adjusting piece (13) is used for adjusting the distance between the side faces of the two abutting end covers (12) which deviate from each other; the instrument package also comprises an adjusting component (3) used for adjusting the positioning piece (13); the position adjusting piece (13) comprises a position adjusting block (131) connected with the connecting block (11) in a sliding mode and an adjusting bolt (132) connected to the position adjusting block (131) in a threaded mode, the adjusting bolt (132) is connected with the connecting block (11) in a rotating mode, and the adjusting bolt (132) is communicated with one end, far away from the position adjusting block (131), of the connecting block (11); the butt end cover (12) is connected with the positioning block (131) in a sliding mode, guide rails (121) are fixedly connected to the end portions, connected with the connecting block (11) and the positioning block (131), of the butt end cover (12), the guide rails (121) are arranged along the sliding direction of the butt end cover (12), and one end, facing the outside of the fusion device (1), of each guide rail (121) is inclined towards the direction far away from the middle of the butt end cover (12); a connecting groove (113) matched with the guide rail (121) is formed in the connecting block (11), and an adjusting groove (1311) matched with the guide rail (121) is formed in the position adjusting block (131); a connecting body (133) is fixedly connected to the side face, facing the connecting cylinder (111), of the positioning block (131), a position supplementing block (134) is arranged on one side, facing the connecting cylinder (111), of the connecting body (133), the position supplementing block (134) abuts against the end face of the connecting cylinder (111), a clamping portion (1331) is integrally formed on the connecting body (133), the cross section of the clamping portion (1331) is T-shaped, and a clamping groove (1341) matched with the clamping portion (1331) is formed in the position supplementing block (134); the position supplementing block (134) is provided with a connecting hole (1342) for the adjusting bolt (132) to pass through, and the position supplementing block (134) is in threaded connection with the adjusting bolt (132).
2. The parallel distraction cage kit of claim 1, wherein: one side, facing the positioning block (131), of the connecting block (11) is fixedly connected with a connecting cylinder (111), and one end, fixedly connected to the connecting block (11), of the connecting cylinder (111) is provided with an opening; a through hole (112) communicated with the inside of the connecting cylinder (111) is formed in the connecting block (11); the adjusting bolt (132) is rotatably connected to the connecting cylinder (111); a position supplementing block (134) is arranged between the position adjusting block (131) and the connecting cylinder (111), and a connecting hole (1342) for the adjusting bolt (132) to penetrate through is formed in the position supplementing block (134).
3. The parallel distraction cage kit of claim 2, wherein: a clamp spring (114) is arranged in the connecting cylinder (111), an embedding groove (1111) for embedding the clamp spring (114) is formed in the inner wall of the connecting cylinder (111), one side of the head of the adjusting bolt (132) is abutted against the clamp spring (114), and the other side of the head of the adjusting bolt is abutted against the side wall of the end part of the connecting cylinder (111); the two opposite sides of the side wall of the connecting cylinder (111) are provided with taking and placing holes (1112) for the snap springs (114) to pass through; the side wall of the connecting cylinder (111) is also provided with two operation holes (1113), and the two operation holes (1113) are respectively positioned at the gap of the two taking holes (1112).
4. The parallel distractor kit of claim 1, wherein: the holding device (2) comprises a connecting rod (21) in threaded connection with the connecting block (11), and a through hole (211) is formed in the connecting rod (21) along the axis; a sleeve (22) is arranged outside the connecting rod (21), and the connecting rod (21) is rotationally connected with the sleeve (22); the end face, facing the connecting block (11), of the sleeve (22) is fixedly connected with a limiting protrusion (221), and a limiting groove (116) for embedding the limiting protrusion (221) is formed in the connecting block (11).
5. The parallel distractor kit of claim 1, wherein: this parallel struts implantation device of integration ware (1) still includes examination mould (5), examination mould (5) are including installation section of thick bamboo (51), fix installation body (52) at installation section of thick bamboo (51) tip, sliding connection two butt joint piece (53) on installation body (52) and be used for carrying out the sliding member (54) that adjust to butt joint piece (53) position, sliding member (54) including set up in installation section of thick bamboo (51) and with installation section of thick bamboo (51) rotation connection's actuating lever (541), actuating lever (541) tip pierces through installation body (52), the tip threaded connection that actuating lever (541) pierces through installation body (52) has slider (542), butt joint piece (53) simultaneously with slider (542) sliding connection, slider (542) slide and adjust the interval of two butt joint pieces (53).
6. The parallel distraction cage kit of claim 1, wherein: the instrument bag further comprises a reamer (7), the reamer (7) comprises a sleeve (71), one end of the sleeve (71) is fixedly connected with a mounting block (72), a mounting hole (721) is formed in the mounting block (72), two reamer heads (73) are arranged in the mounting hole (721), the reamer heads (73) are connected with the sleeve (71) in a sliding mode, and the sliding direction of the reamer heads (73) is perpendicular to the length direction of the sleeve (71); an adjusting piece (74) for driving the reamer head (73) to slide is arranged in the sleeve (71).
7. The parallel distractor kit of claim 6, wherein: the adjusting piece (74) comprises an adjusting column (741) which is rotatably connected in the sleeve (71) and an adjusting block (742) which is in threaded connection with the end part of the adjusting column (741), the adjusting block (742) is positioned in the mounting hole (721), and the adjusting block (742) is in sliding connection with the mounting block (72); the reaming head (73) is connected with the adjusting block (742) in a sliding mode, and an included angle between the sliding direction of the reaming head (73) relative to the adjusting block (742) and the axis of the adjusting column (741) is larger than 0 degree and smaller than 90 degrees.
8. The parallel distraction cage kit of claim 1, wherein: the kit further comprises a counter (4); the adjusting assembly (3) comprises an adjusting rod (31) used for adjusting the positioning piece (13) and a connecting sleeve (33) arranged on the adjusting rod (31), and the adjusting rod (31) penetrates through the extractor (2) to be connected with the positioning piece (13); the counter (4) comprises a counting body (41) connected to the holding device (2) and a counting terminal (42) installed on the counting body (41), wherein the connecting sleeve (33) is sleeved on the counting terminal (42) to drive the counting terminal (42) to synchronously rotate along with the adjusting rod (31).
9. The parallel distractor kit of claim 1, wherein: the instrument set also comprises an injection piece (6) which comprises an injection funnel (61) and an injection tube (62) fixed on the injection funnel (61), wherein a fixing piece (63) used for fixing the injection funnel with the holder (2) is arranged on the injection tube (62), and the injection tube (62) penetrates through the holder (2) and extends into the fusion device (1); the fixing piece (63) comprises a butt joint plate (631) fixed to the injection pipe (62) and a fixing end cover (632) connected to the injection pipe (62) in a rotating mode, the fixing end cover (632) is in threaded connection with the holder (2), and the butt joint plate (631) is clamped between the fixing end cover (632) and the holder (2).
CN202110898774.0A 2021-08-05 2021-08-05 Parallel distraction fusion device instrument bag Active CN113662646B (en)

Priority Applications (1)

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CN202110898774.0A CN113662646B (en) 2021-08-05 2021-08-05 Parallel distraction fusion device instrument bag

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206007347U (en) * 2016-04-15 2017-03-15 上海锐植医疗器械有限公司 A kind of adjustable for height minimally Invasive lumbar fusion device
CN210811776U (en) * 2019-08-29 2020-06-23 上海凯利泰医疗科技股份有限公司 Fuse ware and hold ware

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206007347U (en) * 2016-04-15 2017-03-15 上海锐植医疗器械有限公司 A kind of adjustable for height minimally Invasive lumbar fusion device
CN210811776U (en) * 2019-08-29 2020-06-23 上海凯利泰医疗科技股份有限公司 Fuse ware and hold ware

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