CN201861800U - Adjustable expansion fusion device - Google Patents
Adjustable expansion fusion device Download PDFInfo
- Publication number
- CN201861800U CN201861800U CN2010205862628U CN201020586262U CN201861800U CN 201861800 U CN201861800 U CN 201861800U CN 2010205862628 U CN2010205862628 U CN 2010205862628U CN 201020586262 U CN201020586262 U CN 201020586262U CN 201861800 U CN201861800 U CN 201861800U
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- China
- Prior art keywords
- fusion device
- screw
- movable block
- groove
- left end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 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
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Neurology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model relates to an adjustable expansion fusion device, which belongs to the field of a medical appliance and is suitable for a posterior thoracolumbar surgery. The adjustable expansion fusion device consists of a screw (1), a fusion device body (2) and a movable block (3) and is characterized in that the surface of the screw (1) is provided with an external screw thread; the right end of the screw (1) is provided with a conical surface and a groove; the left end of the screw (1) is provided with an inner hexagonal hole; the right end of the fusion device body (2) is in an arc shape; the left end of the fusion device body (2) is provided with a slot and a threaded step hole; the center of the fusion device body (2) is of a hollow structure; both upper and lower end faces of the fusion device body (2) are in an arc shape and are provided with inverted teeth; the center of the movable block (3) is provided with a through slot; the left end of the movable block (3) is provided with a through hole and a slot; and the right end of the movable block (3) is in an arc shape and is a ramp. When the adjustable expansion fusion device is in use, firstly the embedded depth and the embedded orientation of the adjustable expansion fusion device are determined; a hole is drilled; a vertebral body nail is screwed into the hole; a vertebral gap is opened; the adjustable expansion fusion device is embedded into the vertebral gap; the screw (1) is adjusted for making the fusion device body (2) expand gradually; the adjustable expansion fusion device is adjusted; and a vertebral body is opened so as to achieve the desired effect of the surgery and recover the normal physiological curvature of a patient.
Description
Technical field
This utility model relates to a kind of adjustable expanded fusion device, belongs to medical instruments field, is applicable to the thoracic and lumbar vertebral posterior operation.
Background technology
Fusion is one of method of treatment spinal disease between lumbar vertebra, and annual increasing crowd accepts the treatment of intervertebral fusion art.The intervertebral fusion art comprises that autologous bone transplanting merges and allogenic bone transplantation merges, because it is limited from body bone source, increase for district's wound, can not provide timely shortcoming such as mechanically stable to make the clinical practice of intervertebral fusion art be restricted, and allogenic bone transplantation not only expense height, limited amount but also also be to influence its main cause in wide clinical application by virus disseminating and immunologic rejection that allograph bone causes.In recent years, transplant fusion rate for improving bone, reduce the external fixation dependency, improve and keep the curvature of spinal column, Invasive lumbar fusion device arises at the historic moment.
Invasive lumbar fusion device is widely used in spinal surgery, the intervertebral space that is mainly used in the discectomy postoperative is rebuild, Invasive lumbar fusion device is according to profile, structure difference, mainly be divided three classes: first kind is screwed hollow circular cylinder shape, its design class is similar to interference screw, reaches fusion by being screwed into intervertebral space; Second kind is vertical annular fusion device, is representative with titanium cage and annular fusion device etc., and it can shear titanium cage adjustment height according to merging needs in art, generally be applied to preceding road and merge, and need to cooperate the fixing of the preceding road or the way of escape; The third is a cuboid, hollow, and perforate all around, the inner bone bits of filling lie against in the intervertebral space, but the cuboid fusion device is big to the bone structural deterioration when implanting.
Summary of the invention
This utility model under the prerequisite that keeps the prior art advantage, overcomes its drawback just, have structure rationally, simple operation, adjustable expanded advantage.
The technical solution of the utility model is as follows:
Adjustable expanded fusion device is made up of screw (1), fusion body (2) and movable block (3), and it is characterized in that: there is external screw thread on screw (1) surface, and right-hand member has the conical surface, annular groove, and left end has cannelure and interior hexagonal hole; Merging body (2) right-hand member is arcuation, and left end has fluting, screw thread stepped hole, and the center is a hollow structure, front/rear end has groove, and the groove left end has two drift slots, and right-hand member has sloping platform and fluting, merge body (2) upper and lower end face and be arcuation and pawl is arranged that there is oval shape groove the upper and lower end face; Movable block (3) center is a groove, and left end has through hole and fluting, and movable block (3) right-hand member is arcuation and is sloping platform.
Screw (1): there is external screw thread on the surface, right-hand member has the conical surface, annular groove, screw (1) passes movable block (3) left end through hole, screw (1) right-hand member annular groove cooperates with movable block (3) through hole, and screw (1) conical surface is stuck in the groove of movable block (3) center, prevents that screw (1) from withdrawing from movable block (3), left end has interior hexagonal hole, be convenient to apparatus and hold and get, screw (1) can be designed plurality of specifications, selects for use during for operation.
Merge body (2): right-hand member is an arcuation, left end has fluting, the screw thread step through-hole, the center is a hollow structure, front/rear end has groove, the groove left end has two drift slots, and right-hand member has sloping platform and fluting, fusion device has elasticity, right-hand member inwardly closes up, merging body (2) upper and lower end face is arcuation and pawl is arranged, in the process of strutting, initiatively embed soleplate, more powerful timely antiskid effect is provided, prevent to withdraw from after fusion device from implanting, movable block (3) inserts wherein by the groove that merges body (2) front/rear end, screw (1) is along the screw thread stepped hole precession of merging body (2) left end, adjustment screw (1), promote movable block (3), movable block (3) right-hand member sloping platform place is inserted merge body (2) right-hand member fluting place, fusion body (2) is expanded gradually, adjustable expanded fusion device can be realized the adjustment of 0 °～15 ° of scopes, strut vertebral body, until reaching the operation Expected Results, adjustable expanded fusion device is applicable to the patient of different radian demands, to recover patient's normal physiological curvature, merge body (2) and can design plurality of specifications, select for use during for operation.
By diagnosis such as CT or X-ray vertebra disease before the art, the operation of enforcement thoracic and lumbar vertebral posterior: the intervertebral disc and the vertebral body sections of excision or cleaning damage, determine that according to patient main suit and diagnostic result institute's fixed-segment, used implant comprise the size and the quantity of adjustable expanded fusion device.At first determine the degree of depth and the orientation that adjustable expanded fusion device is implanted, on vertebral body, implement boring, be screwed into the vertebral body nail, intervertebral space struts, and regulates dilator, and disc height is recovered, select die trial according to strutting intervertebral height, determine to implant size, implant adjustable expanded fusion device, clog broken bone, adjustment screw (1) expands fusion body (2) gradually, regulate adjustable expanded fusion device, strut vertebral body, until reaching the operation Expected Results, to recover patient's normal physiological curvature.
Adjustable expanded fusion device is when thoracic and lumbar vertebral posterior is performed the operation, has structure rationally, simple operation, adjustable expanded advantage, adjustable expanded fusion device simple operation practicality, advanced design, damage are little, be easy to strut disc height, promote to merge, be easy to recover and keep the vertebra physiology and appearance, be suitable for the orthopaedics clinical application.
Description of drawings
Fig. 1 is a population structure sketch map of the present utility model;
Fig. 2 is a vertical view of the present utility model;
Fig. 3 is screw of the present utility model (a 1) structure chart;
Fig. 4 is fusion body of the present utility model (a 2) structure chart;
Fig. 5 is fusion body of the present utility model (a 2) vertical view;
Fig. 6 is movable block of the present utility model (a 3) structure chart;
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Adjustable expanded fusion device is made up of screw (1), fusion body (2) and movable block (3), and it is characterized in that: there is external screw thread on screw (1) surface, and right-hand member has the conical surface, annular groove, and left end has cannelure and interior hexagonal hole; Merging body (2) right-hand member is arcuation, and left end has fluting, screw thread stepped hole, and the center is a hollow structure, front/rear end has groove, and the groove left end has two drift slots, and right-hand member has sloping platform and fluting, merge body (2) upper and lower end face and be arcuation and pawl is arranged that there is oval shape groove the upper and lower end face; Movable block (3) center is a groove, and left end has through hole and fluting, and movable block (3) right-hand member is arcuation and is sloping platform.At first determine the degree of depth and the orientation that adjustable expanded fusion device is implanted, on vertebral body, implement boring, be screwed into the vertebral body nail, intervertebral space struts, and regulates dilator, and disc height is recovered, select die trial according to strutting intervertebral height, determine to implant size, implant adjustable expanded fusion device, clog broken bone, adjustment screw (1) expands fusion body (2) gradually, regulate adjustable expanded fusion device, strut vertebral body, until reaching the operation Expected Results, to recover patient's normal physiological curvature.
Claims (3)
1. adjustable expanded fusion device is made up of screw (1), fusion body (2) and movable block (3), and it is characterized in that: there is external screw thread on screw (1) surface, and right-hand member has the conical surface, annular groove, and left end has cannelure and interior hexagonal hole; Merging body (2) right-hand member is arcuation, and left end has fluting, screw thread stepped hole, and the center is a hollow structure, front/rear end has groove, and the groove left end has two drift slots, and right-hand member has sloping platform and fluting, merge body (2) upper and lower end face and be arcuation and pawl is arranged that there is oval shape groove the upper and lower end face; Movable block (3) center is a groove, and left end has through hole and fluting, and movable block (3) right-hand member is arcuation and is sloping platform.
2. adjustable expanded fusion device according to claim 1, it is characterized in that, described screw (1) passes movable block (3) left end through hole, screw (1) right-hand member annular groove cooperates with movable block (3) through hole, screw (1) conical surface is stuck in the groove of movable block (3) center, prevents that screw (1) from withdrawing from movable block (3), left end has interior hexagonal hole, be convenient to apparatus and hold and get, screw (1) can be designed plurality of specifications.
3. adjustable expanded fusion device according to claim 1, it is characterized in that described fusion body (2) center is a hollow structure, front/rear end has groove, the groove left end has two drift slots, and right-hand member has sloping platform and fluting, and fusion device has elasticity, and right-hand member inwardly closes up, movable block (3) inserts wherein by the groove that merges body (2) front/rear end, adjustable expanded fusion device can be realized the adjustment of 0 °～15 ° of scopes, struts vertebral body, merges body (2) and can design plurality of specifications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205862628U CN201861800U (en) | 2010-11-02 | 2010-11-02 | Adjustable expansion fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205862628U CN201861800U (en) | 2010-11-02 | 2010-11-02 | Adjustable expansion fusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201861800U true CN201861800U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205862628U Expired - Lifetime CN201861800U (en) | 2010-11-02 | 2010-11-02 | Adjustable expansion fusion device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201861800U (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103356310A (en) * | 2012-03-28 | 2013-10-23 | 北京爱康宜诚医疗器材股份有限公司 | Adjustable interbody fusion cage |
| CN103655010A (en) * | 2013-11-20 | 2014-03-26 | 苏州博习医疗科技有限公司 | Intervertebral filling fusion device |
| CN105232190A (en) * | 2015-10-21 | 2016-01-13 | 苏州锐进医疗科技有限公司 | Assembled lumbar interbody fusion cage |
| CN105636555A (en) * | 2013-08-29 | 2016-06-01 | 安德鲁·罗杰斯 | Expandable and adjustable lordosis interbody fusion system |
| US9788971B1 (en) | 2013-05-22 | 2017-10-17 | Nuvasive, Inc. | Expandable fusion implant and related methods |
| US9801734B1 (en) | 2013-08-09 | 2017-10-31 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| CN107536649A (en) * | 2017-07-04 | 2018-01-05 | 上海工程技术大学 | A kind of expanded tooth implant and its installation method |
| CN107865715A (en) * | 2017-12-19 | 2018-04-03 | 北京东玥润骐医疗技术发展有限公司 | The Invasive lumbar fusion device and its implanted device of variable volume |
| US10195053B2 (en) | 2009-09-18 | 2019-02-05 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
| US10245159B1 (en) | 2009-09-18 | 2019-04-02 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
| CN109758271A (en) * | 2019-02-20 | 2019-05-17 | 江苏百易得医疗科技有限公司 | A kind of fusion device |
| US10973656B2 (en) | 2009-09-18 | 2021-04-13 | Spinal Surgical Strategies, Inc. | Bone graft delivery system and method for using same |
| CN112716662A (en) * | 2021-01-26 | 2021-04-30 | 朱腾月 | Intervertebral fusion device |
| CN112773485A (en) * | 2019-11-05 | 2021-05-11 | 台湾微创医疗器材股份有限公司 | Spinal implant structure |
| US11446161B2 (en) | 2019-08-15 | 2022-09-20 | Adcura, Inc. | Translating dual axis adjustable interbody fusion spinal system |
| US11452614B2 (en) | 2013-08-29 | 2022-09-27 | Adcura, Inc. | Expandable and adjustable lordosis interbody fusion system |
| US11648132B2 (en) | 2019-09-24 | 2023-05-16 | Adcura, Inc | Surgical instrument for operating spinal implant system with dual axis adjustability and method of operating same |
| US11660205B2 (en) | 2019-08-15 | 2023-05-30 | Adcura, Inc. | Dual-axis adjustable spinal systems and interbody fusion devices with fixation |
-
2010
- 2010-11-02 CN CN2010205862628U patent/CN201861800U/en not_active Expired - Lifetime
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10195053B2 (en) | 2009-09-18 | 2019-02-05 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
| US11660208B2 (en) | 2009-09-18 | 2023-05-30 | Spinal Surgical Strategies, Inc. | Bone graft delivery system and method for using same |
| US10245159B1 (en) | 2009-09-18 | 2019-04-02 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
| US10973656B2 (en) | 2009-09-18 | 2021-04-13 | Spinal Surgical Strategies, Inc. | Bone graft delivery system and method for using same |
| CN103356310A (en) * | 2012-03-28 | 2013-10-23 | 北京爱康宜诚医疗器材股份有限公司 | Adjustable interbody fusion cage |
| US9788971B1 (en) | 2013-05-22 | 2017-10-17 | Nuvasive, Inc. | Expandable fusion implant and related methods |
| US10219915B1 (en) | 2013-05-22 | 2019-03-05 | Nuvasive, Inc. | Expandable fusion implant and related methods |
| US10492924B2 (en) | 2013-08-09 | 2019-12-03 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| US9801734B1 (en) | 2013-08-09 | 2017-10-31 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| US11696836B2 (en) | 2013-08-09 | 2023-07-11 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| CN105636555A (en) * | 2013-08-29 | 2016-06-01 | 安德鲁·罗杰斯 | Expandable and adjustable lordosis interbody fusion system |
| CN105636555B (en) * | 2013-08-29 | 2018-06-12 | 安德鲁·罗杰斯 | Inflatable and adjustable spinal lordosis interbody fusion system |
| US9889019B2 (en) | 2013-08-29 | 2018-02-13 | Spineex, Inc. | Expandable and adjustable lordosis interbody fusion system |
| US11452614B2 (en) | 2013-08-29 | 2022-09-27 | Adcura, Inc. | Expandable and adjustable lordosis interbody fusion system |
| CN103655010B (en) * | 2013-11-20 | 2016-04-27 | 苏州博习医疗科技有限公司 | Intervertebral fills fusing device |
| CN103655010A (en) * | 2013-11-20 | 2014-03-26 | 苏州博习医疗科技有限公司 | Intervertebral filling fusion device |
| CN105232190A (en) * | 2015-10-21 | 2016-01-13 | 苏州锐进医疗科技有限公司 | Assembled lumbar interbody fusion cage |
| CN107536649A (en) * | 2017-07-04 | 2018-01-05 | 上海工程技术大学 | A kind of expanded tooth implant and its installation method |
| CN107536649B (en) * | 2017-07-04 | 2020-02-18 | 上海工程技术大学 | Expansion type dental implant and installation method thereof |
| CN107865715A (en) * | 2017-12-19 | 2018-04-03 | 北京东玥润骐医疗技术发展有限公司 | The Invasive lumbar fusion device and its implanted device of variable volume |
| CN107865715B (en) * | 2017-12-19 | 2024-05-14 | 北京东玥润骐医疗技术发展有限公司 | Variable volume interbody fusion cage and implant device therefor |
| CN109758271A (en) * | 2019-02-20 | 2019-05-17 | 江苏百易得医疗科技有限公司 | A kind of fusion device |
| CN109758271B (en) * | 2019-02-20 | 2024-05-14 | 江苏百易得医疗科技有限公司 | Fusion device |
| US11446161B2 (en) | 2019-08-15 | 2022-09-20 | Adcura, Inc. | Translating dual axis adjustable interbody fusion spinal system |
| US11660205B2 (en) | 2019-08-15 | 2023-05-30 | Adcura, Inc. | Dual-axis adjustable spinal systems and interbody fusion devices with fixation |
| US11648132B2 (en) | 2019-09-24 | 2023-05-16 | Adcura, Inc | Surgical instrument for operating spinal implant system with dual axis adjustability and method of operating same |
| CN112773485A (en) * | 2019-11-05 | 2021-05-11 | 台湾微创医疗器材股份有限公司 | Spinal implant structure |
| CN112773485B (en) * | 2019-11-05 | 2023-11-10 | 台湾微创医疗器材股份有限公司 | Vertebral implant structure |
| CN112716662A (en) * | 2021-01-26 | 2021-04-30 | 朱腾月 | Intervertebral fusion device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160217 Address after: 100021 Beijing city Chaoyang District Huawei bohuanhuayuan No. nine building No. 7 803 Patentee after: Hu Huanyu Address before: 101204 West Beijing District of Pinggu City Mafang Industrial Zone No. 50 Patentee before: Beijing Fule Science & Technology Development Co., Ltd. Patentee before: Hu Huanyu |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 101204 West Beijing District of Pinggu City Mafang Industrial Zone No. 50 Patentee after: Hu Huanyu Address before: 100021 Beijing city Chaoyang District Huawei bohuanhuayuan No. nine building No. 7 803 Patentee before: Hu Huanyu |
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| CX01 | Expiry of patent term |
Granted publication date: 20110615 |
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| CX01 | Expiry of patent term |