CN103494633A - Spine percutaneous vertebral pedicle centrum reduction bone grafting apparatus - Google Patents
Spine percutaneous vertebral pedicle centrum reduction bone grafting apparatus Download PDFInfo
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- CN103494633A CN103494633A CN201310491290.XA CN201310491290A CN103494633A CN 103494633 A CN103494633 A CN 103494633A CN 201310491290 A CN201310491290 A CN 201310491290A CN 103494633 A CN103494633 A CN 103494633A
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- bone grafting
- pipe
- joint
- hole
- sleeve pipe
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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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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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
- A61B2017/564—Methods for bone or joint treatment
Abstract
Spine percutaneous vertebral pedicle centrum reduction bone grafting apparatus comprises a bone grafting pipeline assembly, a core rod assembly, a bone grafting pipeline fixing part 7, a depth-limiting adjusting part 8 and a push rod 9, wherein the bone grafting pipeline assembly comprises a hopper 1, a bone grafting pipe 2 and a plug 3, the upper end of the bone grafting pipe 2 is connected to the lower end of the hopper 1 through the bone grafting pipeline fixing part 7, a hole 21 is formed in the pipe wall of the lower end of the bone grafting pipe 2, the plug 3 is installed in the bone grafting pipe 2 and located below the hole 21, the upper end face and the lower end face of the plug 3 are both slopes, and the lower end of the bone grafting pipe 2 is in the shape of a sharp corner. Compared with the prior art, the spine percutaneous vertebral pedicle centrum reduction bone grafting apparatus has the advantages that the overall structure is simple, stable and reliable, manufacturing cost is low, skin and tissue incision and exposure of a bone grafting entry point (entering the centrum through the vertebral pedicle) of a thoracic waist fracture zygopophysis occurring in a traditional open operation are avoided, tissue trauma and the amount of bleeding during the operation are reduced, and the problems existing in the traditional open operation that recovering time is long and the number of postoperative complications is large are solved.
Description
Technical field
The present invention relates to a kind of orthopedic medical device, particularly a kind of spinal column percutaneous cervical arc root vertebral body reduction bone grafting instrument.
Background technology
Human spine's lumbar vertebra compression fracture adopts the conventional therapy treatment more, in therapeutic process, needs to cut skin by opening, and pedicle is implanted into autologous bone or homogeneous allogenic bone to the vertebral body of injured lumbar vertebra compression fracture.Because this operation process will be through cutting skin, tissue is dialled from steps such as appearing of, breast pelvic bone folding vertebral body articular process just can reach therapeutic purposes.The shortcomings such as exist tissue injury large, hemorrhage many, rehabilitation duration is long, and postoperative complication is many.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, and the spinal column percutaneous cervical arc root vertebral body reduction that a kind of surgical wound is little, amount of bleeding is few, the convalescence after Miles operation is short bone grafting instrument is provided.
Technical scheme of the present invention is: a kind of spinal column percutaneous cervical arc root vertebral body reduction bone grafting instrument includes bone grafting conduit assembly, core bar assembly, bone grafting pipeline fixer (7), depth stop regulating part (8) and push rod (9); The bone grafting conduit assembly comprises funnel (1), bone grafting pipe (2) and plug (3), bone grafting pipe (2) upper end is connected to funnel (1) lower end by bone grafting pipeline fixer (7), have hole (21) on the tube wall of bone grafting pipe (2) lower end, plug (3) is arranged in the bone grafting pipe (2) of below, hole (21), upper surface and the lower surface of plug (3) are inclined-plane, and bone grafting pipe (2) lower end becomes tip-angled shape.
The further technical scheme of the present invention is: the core bar assembly includes core bar (4), T shape bar (5) and flexible chain (6); Concave inward structure (51) for prying and pulling bar location is arranged on T shape bar (5), one side of T shape bar (5) has cross bar (52), cross bar (52) is connected with an end of connecting rod (54) by dog screw (53), the other end of connecting rod (54) is connected with bone grafting pipeline fixer (7), and T shape bar (5) is fixedly welded on the upper end of core bar (4); Flexible chain (6) by a upper joint (61), some under joint (62), one joint (63) and some connecting pins (64) form; There is connector (611) lower end of upper joint (61), and connection pin-and-hole (612) is arranged on connector (611); There is U-joint (621) upper end of middle joint (62), and connection pin-and-hole (622) is arranged on U-joint (621), and there is connector (623) lower end of middle joint (62), and connection pin-and-hole (624) is arranged on connector (623); There is U-joint (631) upper end of lower joint (63), and connection pin-and-hole (632) is arranged on U-joint (631); Upper joint (61) and the fixing welding in the lower end of core bar (1), middle joint (62) is flexibly connected by connecting pin (64) and upper joint (61), some middle joints (62) are flexibly connected section by section by connecting pin (64), lower joint (63) is flexibly connected by connecting pin (64) and middle joint (62), the bottom surface of lower joint (63) is plane, and each joint all can rotate around connecting pin (64).
The present invention further technical scheme is: the radially through hole (71) that is useful on fixed funnel (1) and bone grafting pipe (2) on bone grafting pipeline fixer (7), with the radially through hole (72) for fixed connecting rod (54), leting slip a remark of funnel (1) lower end is arranged in radially through hole (71) with the upper end of bone grafting pipe (2), bone grafting pipeline fixer (7) one ends have locating hole (73), dog screw (74) is arranged in locating hole (73), the hole that the end of dog screw (74) is positioned on the tube wall of hole on the wall of leting slip a remark of funnel (1) lower end and bone grafting pipe (2) is fixed together both, through hole (72) has been located dog screw (75), the lower end of connecting rod (54) is through through hole (72) fixing with dog screw (75).
The present invention further technical scheme is: depth stop regulating part (8) comprises formula depth stop regulating part and external formula depth stop regulating part in body; In body, formula depth stop regulating part is comprised of sleeve pipe (81) and adjusting screwed pipe (82), regulating screwed pipe (82) is arranged in sleeve pipe (81) by screw thread, sleeve pipe (81) and adjusting screwed pipe (82) be hollow all, sleeve pipe (81) and adjusting screwed pipe (82) are sleeved on outside bone grafting pipe (2), bone grafting pipeline fixer (7) is withstood in sleeve pipe (81) upper end, and the length that screwed pipe (82) can change bone grafting pipe (2) lower end exposed portions serve is regulated in rotation; External formula depth stop regulating part is comprised of sleeve pipe (81), adjusting screwed pipe (82) and depth limiting pole (83), regulating screwed pipe (82) is arranged in sleeve pipe (81) by screw thread, depth limiting pole (83) is positioned to be regulated on screwed pipe (82), sleeve pipe (81) and adjusting screwed pipe (82) be hollow all, sleeve pipe (81) and adjusting screwed pipe (82) are sleeved on outside bone grafting pipe (2), bone grafting pipeline fixer (7) is withstood in sleeve pipe (81) upper end, catch and regulate screwed pipe (82), rotating casing (81) can change the length of bone grafting pipe (2) lower end exposed portions serve.
The present invention further technical scheme is: push rod (9) is that a root bottom part is flat round bar.
The present invention is owing to adopting as above design, compared with prior art, have following features: overall structure is simple, reliable and stable, low cost of manufacture, avoided the incision of skin of conventional therapy, dials from tissue, the bone grafting inlet point (pedicle enters vertebral body) that appears breast pelvic bone folding articular process, reduced amount of bleeding in tissue injury and operation, solved the difficult problem that the conventional therapy rehabilitation duration is long and post-operative complication is many.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The structural representation that Fig. 2 is flexible chain of the present invention;
Fig. 3 is the structural representation saved on flexible chain of the present invention;
Fig. 4 is the structural representation saved in flexible chain of the present invention;
Fig. 5 is the structural representation saved under flexible chain of the present invention;
The structural representation that Fig. 6 is bone grafting pipeline fixer of the present invention;
The structural representation that Fig. 7 is formula depth stop regulating part in body of the present invention;
The structural representation that Fig. 8 is the external formula depth stop of the present invention regulating part;
The structural representation that Fig. 9 is push rod using state of the present invention.
The specific embodiment
As shown in Figure 1: a kind of spinal column percutaneous cervical arc root vertebral body reduction bone grafting instrument includes bone grafting conduit assembly, core bar assembly, bone grafting pipeline fixer 7, depth stop regulating part 8 and push rod 9;
The bone grafting conduit assembly comprises funnel 1, bone grafting pipe 2 and plug 3, bone grafting pipe 2 upper ends are connected to funnel 1 lower end by bone grafting pipeline fixer 7, have hole 21 on bone grafting pipe 2 lower end tube walls, plug 3 is arranged in the bone grafting pipe 2 of 21 belows, hole, upper surface and the lower surface of plug 3 are inclined-plane, and bone grafting pipe 2 lower ends become tip-angled shape;
The core bar assembly includes core bar 4, T shape bar 5 and flexible chain 6; Concave inward structure 51 for prying and pulling bar 10 location is arranged on T shape bar 5, one side of T shape bar 5 has cross bar 52, cross bar 52 is connected with an end of connecting rod 54 by dog screw 53, and the other end of connecting rod 54 is connected with bone grafting pipeline fixer 7, and T shape bar 5 is fixedly welded on the upper end of core bar 4; Flexible chain 6 by a upper joint 61, some under joint 62, one joint 63 and some connecting pins 64 form (as shown in Figure 2); There is connector 611 lower end of upper joint 61, the pin-and-hole of connection 612(is arranged as shown in Figure 3 on connector 611); There is U-joint 621 upper end of middle joint 62, and the pin-and-hole 622 of connection is arranged on U-joint 621, and there is connector 623 lower end of middle joint 62, the pin-and-hole of connection 624(is arranged as shown in Figure 4 on connector 623); There is U-joint 631 upper end of lower joint 63, the pin-and-hole of connection 632(is arranged as shown in Figure 5 on U-joint 631); Upper joint 61 and the fixing welding in the lower end of core bar 4, middle joint 62 is flexibly connected by connecting pin 64 and upper joint 61, some middle joints 62 are flexibly connected section by section by connecting pin 64, lower joint 63 is flexibly connected by connecting pin 64 and middle joint 62, the bottom surface of lower joint 63 is plane (as shown in Figure 5), and each joint all can rotate around connecting pin 64;
As Fig. 1, shown in 6, be useful on the radially through hole 71 of fixed funnel 1 and bone grafting pipe 2 on bone grafting pipeline fixer 7, with the radially through hole 72 for fixed connecting rod 54, leting slip a remark of funnel 1 lower end is arranged in radially through hole 71 with the upper end of bone grafting pipe 2, bone grafting pipeline fixer 7 one ends have locating hole 73, dog screw 74 is arranged in locating hole 73, the end of dog screw 74 is positioned at the hole on the tube wall of hole on the wall of leting slip a remark of funnel 1 lower end and bone grafting pipe 2, and both are fixed together, there is dog screw 75 at through hole 72 places, the lower end of connecting rod 54 is through through hole 72 fixing with dog screw 75,
Depth stop regulating part 8 comprises formula depth stop regulating part and external formula depth stop regulating part in body;
As shown in Figure 7, in body, formula depth stop regulating part is comprised of sleeve pipe 81 and adjusting screwed pipe 82, regulating screwed pipe 82 is arranged in sleeve pipe 81 by screw thread, sleeve pipe 81 and the equal hollow of adjusting screwed pipe 82, sleeve pipe 81 and adjusting screwed pipe 82 are sleeved on bone grafting pipe 2 outer (as shown in Figure 1), bone grafting pipeline fixer 7 is withstood in sleeve pipe 81 upper ends, and the length that screwed pipe 82 can change bone grafting pipe 2 lower end exposed portions serve is regulated in rotation;
As shown in Figure 8, external formula depth stop regulating part is comprised of sleeve pipe 81, adjusting screwed pipe 82 and depth limiting pole 83, regulating screwed pipe 82 is arranged in sleeve pipe 81 by screw thread, sleeve pipe 81 and the equal hollow of adjusting screwed pipe 82, sleeve pipe 81 and adjusting screwed pipe 82 are sleeved on outside bone grafting pipe 2, and bone grafting pipeline fixer 7 is withstood in sleeve pipe 81 upper ends, catch and regulate screwed pipe 82, rotating casing 81 can change the length of bone grafting pipe 2 lower end exposed portions serve, and depth limiting pole 83 is positioned to be regulated on screwed pipe 82;
As shown in Figure 9, push rod 9 is that a root bottom part is flat round bar.
Operation principle of the present invention and using method are:
During operation, bottom there is is the core bar 4 of flexible chain 6 insert bone grafting pipe 2 from the import of funnel 1, together insert the human fracture place, locate and fix, move up and down again core bar 4, to depart from the impaired bone of original position by the flexible chain 6 stretched out in the hole 21 from bone grafting pipe 2 lower end tube walls and push away the reduction position, and after cleaning out the space of bone grafting, with prying and pulling lever 10 prying and pulling T shape bars 5, core bar 4 is extracted, autologous bone or homogeneous allogenic bone are put into to bone grafting pipe 2 by funnel 1, with push rod 9 by autologous bone or homogeneous allogenic bone by the vertebral body that is pushed out to fracture from hole 21 (as shown in Figure 9), after operation, the present invention can be extracted.
In operation process, if the degree of depth that need to enter is darker, use formula depth stop regulating part in body, the bone grafting pipe 2 of regulating screwed pipe 82 lower ends all enters in human body; If the degree of depth that need to enter is more shallow, use external formula depth stop regulating part, the depth limiting pole 83 of external formula depth stop regulating part is rested on external support, to catch and regulate screwed pipe 82, rotating casing 81 is the degree of depth that scalable enters.
Claims (6)
1. a spinal column percutaneous cervical arc root vertebral body reduction bone grafting instrument, is characterized in that: include bone grafting conduit assembly, core bar assembly, bone grafting pipeline fixer (7), depth stop regulating part (8) and push rod (9); The bone grafting conduit assembly comprises funnel (1), bone grafting pipe (2) and plug (3), bone grafting pipe (2) upper end is connected to funnel (1) lower end by bone grafting pipeline fixer (7), have hole (21) on the tube wall of bone grafting pipe (2) lower end, plug (3) is arranged in the bone grafting pipe (2) of below, hole (21), upper surface and the lower surface of plug (3) are inclined-plane, and bone grafting pipe (2) lower end becomes tip-angled shape.
2. spinal column percutaneous cervical arc root vertebral body reduction bone grafting instrument as claimed in claim 1, is characterized in that the core bar assembly includes core bar (4), T shape bar (5) and flexible chain (6); Concave inward structure (51) for prying and pulling bar location is arranged on T shape bar (5), one side of T shape bar (5) has cross bar (52), cross bar (52) is connected with an end of connecting rod (54) by dog screw (53), the other end of connecting rod (54) is connected with bone grafting pipeline fixer (7), and T shape bar (5) is fixedly welded on the upper end of core bar (4); Flexible chain (6) by a upper joint (61), some under joint (62), one joint (63) and some connecting pins (64) form; There is connector (611) lower end of upper joint (61), and connection pin-and-hole (612) is arranged on connector (611); There is U-joint (621) upper end of middle joint (62), and connection pin-and-hole (622) is arranged on U-joint (621), and there is connector (623) lower end of middle joint (62), and connection pin-and-hole (624) is arranged on connector (623); There is U-joint (631) upper end of lower joint (63), and connection pin-and-hole (632) is arranged on U-joint (631); Upper joint (61) and the fixing welding in the lower end of core bar (1), middle joint (62) is flexibly connected by connecting pin (64) and upper joint (61), some middle joints (62) are flexibly connected section by section by connecting pin (64), lower joint (63) is flexibly connected by connecting pin (64) and middle joint (62), the bottom surface of lower joint (63) is plane, and each joint all can rotate around connecting pin (64).
3. spinal column percutaneous cervical arc root vertebral body reduction bone grafting instrument as claimed in claim 1 or 2, it is characterized in that on bone grafting pipeline fixer (7) being useful on the radially through hole (71) of fixed funnel (1) and bone grafting pipe (2), with the radially through hole (72) for fixed connecting rod (54), leting slip a remark of funnel (1) lower end is arranged in radially through hole (71) with the upper end of bone grafting pipe (2), bone grafting pipeline fixer (7) one ends have locating hole (73), dog screw (74) is arranged in locating hole (73), the hole that the end of dog screw (74) is positioned on the tube wall of hole on the wall of leting slip a remark of funnel (1) lower end and bone grafting pipe (2) is fixed together both, through hole (72) has been located dog screw (75), the lower end of connecting rod (54) is through through hole (72) fixing with dog screw (75).
4. spinal column percutaneous cervical arc root vertebral body reduction bone grafting instrument as claimed in claim 1 or 2, is characterized in that depth stop regulating part (8) comprises formula depth stop regulating part and external formula depth stop regulating part in body; In body, formula depth stop regulating part is comprised of sleeve pipe (81) and adjusting screwed pipe (82), regulating screwed pipe (82) is arranged in sleeve pipe (81) by screw thread, sleeve pipe (81) and adjusting screwed pipe (82) be hollow all, sleeve pipe (81) and adjusting screwed pipe (82) are sleeved on outside bone grafting pipe (2), bone grafting pipeline fixer (7) is withstood in sleeve pipe (81) upper end, and the length that screwed pipe (82) can change bone grafting pipe (2) lower end exposed portions serve is regulated in rotation; External formula depth stop regulating part is comprised of sleeve pipe (81), adjusting screwed pipe (82) and depth limiting pole (83), regulating screwed pipe (82) is arranged in sleeve pipe (81) by screw thread, depth limiting pole (83) is positioned to be regulated on screwed pipe (82), sleeve pipe (81) and adjusting screwed pipe (82) be hollow all, sleeve pipe (81) and adjusting screwed pipe (82) are sleeved on outside bone grafting pipe (2), bone grafting pipeline fixer (7) is withstood in sleeve pipe (81) upper end, catch and regulate screwed pipe (82), rotating casing (81) can change the length of bone grafting pipe (2) lower end exposed portions serve.
5. spinal column percutaneous cervical arc root vertebral body reduction bone grafting instrument as claimed in claim 3, is characterized in that depth stop regulating part (8) comprises formula depth stop regulating part and external formula depth stop regulating part in body; In body, formula depth stop regulating part is comprised of sleeve pipe (81) and adjusting screwed pipe (82), regulating screwed pipe (82) is arranged in sleeve pipe (81) by screw thread, sleeve pipe (81) and adjusting screwed pipe (82) be hollow all, sleeve pipe (81) and adjusting screwed pipe (82) are sleeved on outside bone grafting pipe (2), bone grafting pipeline fixer (7) is withstood in sleeve pipe (81) upper end, and the length that screwed pipe (82) can change bone grafting pipe (2) lower end exposed portions serve is regulated in rotation; External formula depth stop regulating part is comprised of sleeve pipe (81), adjusting screwed pipe (82) and depth limiting pole (83), regulating screwed pipe (82) is arranged in sleeve pipe (81) by screw thread, depth limiting pole (83) is positioned to be regulated on screwed pipe (82), sleeve pipe (81) and adjusting screwed pipe (82) be hollow all, sleeve pipe (81) and adjusting screwed pipe (82) are sleeved on outside bone grafting pipe (2), bone grafting pipeline fixer (7) is withstood in sleeve pipe (81) upper end, catch and regulate screwed pipe (82), rotating casing (81) can change the length of bone grafting pipe (2) lower end exposed portions serve.
6. spinal column percutaneous cervical arc root vertebral body reduction bone grafting instrument as claimed in claim 1, is characterized in that push rod (9) is that a root bottom part is flat round bar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310491290.XA CN103494633B (en) | 2013-10-18 | 2013-10-18 | Spine percutaneous vertebral pedicle centrum reduction bone grafting apparatus |
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CN201310491290.XA CN103494633B (en) | 2013-10-18 | 2013-10-18 | Spine percutaneous vertebral pedicle centrum reduction bone grafting apparatus |
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CN103494633A true CN103494633A (en) | 2014-01-08 |
CN103494633B CN103494633B (en) | 2017-02-08 |
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CN201310491290.XA Expired - Fee Related CN103494633B (en) | 2013-10-18 | 2013-10-18 | Spine percutaneous vertebral pedicle centrum reduction bone grafting apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105726124A (en) * | 2016-02-06 | 2016-07-06 | 齐欣 | Proximal femur operation positioning and orientating system and manufacturing method thereof |
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CN103251445A (en) * | 2013-04-19 | 2013-08-21 | 南京医科大学第一附属医院 | Device for operating vertebroplasty through unilateral vertebral pedicle |
CN203609483U (en) * | 2013-10-18 | 2014-05-28 | 宋西正 | Vertebral body reduction and bone-grafting instrument through percutaneous vertebral pedicle of spine |
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2013
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Patent Citations (8)
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US7749268B2 (en) * | 2004-05-26 | 2010-07-06 | Warsaw Orthopedic, Inc. | Methods for treating the spine |
WO2006134813A1 (en) * | 2005-06-14 | 2006-12-21 | Olympus Biomaterial Corp. | Bone supplementing material introducing device, method of operating the device, and bone supplementing material |
CN101002694A (en) * | 2005-12-20 | 2007-07-25 | 贺新宁 | Trans-vertebral arch pedicle type hollow vertebra centrum bone-grafting apparatus |
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CN103251445A (en) * | 2013-04-19 | 2013-08-21 | 南京医科大学第一附属医院 | Device for operating vertebroplasty through unilateral vertebral pedicle |
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CN105726124A (en) * | 2016-02-06 | 2016-07-06 | 齐欣 | Proximal femur operation positioning and orientating system and manufacturing method thereof |
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