CN1018714B - L-shaped adjustable artificial vertebral body - Google Patents
L-shaped adjustable artificial vertebral bodyInfo
- Publication number
- CN1018714B CN1018714B CN91100283A CN91100283A CN1018714B CN 1018714 B CN1018714 B CN 1018714B CN 91100283 A CN91100283 A CN 91100283A CN 91100283 A CN91100283 A CN 91100283A CN 1018714 B CN1018714 B CN 1018714B
- Authority
- CN
- China
- Prior art keywords
- vertebral body
- artificial vertebral
- supporting plate
- lower supporting
- described artificial
- 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
Links
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000007943 implant Substances 0.000 abstract description 3
- 210000000115 thoracic cavity Anatomy 0.000 abstract description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 201000008827 tuberculosis Diseases 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- 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)
Abstract
An L-shaped adjustable artificial vertebral body suitable for thoracic vertebrae, lumbar vertebrae and cervical vertebrae of human body is composed of L-shaped upper and lower supporting plates and an adjustable strut hinged with the upper and lower supporting plates. When the implant is implanted into a human body, the pointed pile on the supporting plate is inserted into the upper vertebral body and the lower vertebral body, and then the pointed pile is fixed by the screw. The artificial vertebral body has simple structure, firm support and difficult deflection and falling, can avoid the pain of repeated operations of patients, and has been successfully tested in clinical practice.
Description
The present invention relates generally to be implanted to the intravital prosthese of people, specifically relates to L shaped adjustable artificial vertebral body.
Known artificial vertebral body, the artificial vertebral body that is disclosed for 4,657, No. 550 as the United States Patent (USP) of on April 14th, 1987 bulletin is anchored to epicentral round pallet and is formed between upper and lower supporting plate and with the adjustable prop of its joggle by upper and lower.This artificial vertebral body is to be fixed to the epicentral of human body by the pointed stake on the upper and lower supporting plate, thus fixing not firm, be easy to crookedly, even come off, bring misery to the patient; Link together with tenon and accurate eye between the upper and lower supporting plate of this artificial vertebral body and between the adjustable prop, stiff between upper and lower supporting plate and the pillar; The upper and lower adjusting rod of pillar is solid, and weight is bigger.
And for example, " biomaterial and the artificial joint " of Beijing Inst. of Aeronautical Materials's publication in 1986 is though the titanium alloy squirrel-cage artificial vertebral body of the common development of Anshan numerous mountains tuberculosis hospital, Beijing Jishuitan Hospital and No. 621 Inst., Ministry of Aeronautics and Astronautics Industry of a book introduction also is adjustable, but volume is bigger, be not suitable for little vertebral body, as body of cervical vertebra, also be to be anchored on the vertebra during use with pointed stake, also exist support not firm, be easy to danger crooked even that come off.
The objective of the invention is to overcome above-mentioned shortcoming, a kind of L shaped adjustable artificial vertebral body that is applicable to simple in structure, the safe and reliable and energy light activity of human body thoracic vertebra, lumbar vertebra, cervical vertebra is provided.
The objective of the invention is to realize by following manner, a kind of L shaped adjustable artificial vertebral body, comprise upper and lower supporting plate and between upper and lower supporting plate and pillar interconnective with it, its characteristics are that upper and lower supporting plate is B-mode, are hinged between upper and lower supporting plate and the adjustable prop.
L shaped adjustable artificial vertebral body of the present invention can be used for replacing human body thoracic vertebra, lumbar vertebra, cervical vertebra and suffers from the damaged vertebral bodys of bulk bone such as tuberculosis, wound, tumor, it is simple in structure, firm supporting, be difficult for crooked, be convenient to operation and once achieve success, can exempt the hardship of patient's repeat surgery.
Other advantage of the present invention and details can be understood by reading the embodiment that hereinafter describes in detail in conjunction with the accompanying drawings.
Fig. 1 is the axonometric chart of the L shaped adjustable artificial vertebral body of the present invention;
Fig. 2 is the sketch map that the L shaped adjustable artificial vertebral body of the present invention implants;
Fig. 3 is another embodiment of the L shaped adjustable artificial vertebral body of the present invention;
Fig. 4 is the L shaped adjustable artificial vertebral body group of the present invention.
Shown in Figure 1 is the axonometric chart of L shaped adjustable artificial vertebral body of the present invention.This artificial vertebral body comprises mounting plate 1, bottom plate 2 and coupled adjustable prop 3.Upper and lower supporting plate 1,2 is L shaped, anchors to the Intrapyramidal pointed stake 4 of human body on this supporting plate and the horizontal plane that the human body vertebral body links to each other, the quantity of pointed stake can be one, two or more; Saddle support 5 is arranged on the another side of supporting plate horizontal plane, have the axle nests that match with the axle 8 of the bearing pin of upper and lower adjusting rod 6,7 on it, the centre of saddle support has the through hole 10 that matches with the pin 9 of adjusting rod bearing pin; The vertical part of L shaped supporting plate is made the cambered surface that matches with the vertebra shape, has the circular hole 11 that can insert screw 14 on it, the quantity in hole can be one, two or more.Adjustable prop 3 is formed by regulating tube 12 and upper and lower adjusting rod 6,7, regulates and makes respectively the female thread that matches with adjusting rod 6,7 in tins 12, and one of them is a right-handed thread; Another is a left hand thread.Regulate on the circumference of tube and have several circular holes, insert in the hole with round bar during assembling, regulating the length that is connected between tube 12 and the adjusting rod 6,7, thereby reach the purpose of the length of adjustable fixing 3; Also can be carved with various decorative patterns on the circumferential wall of adjusting tube,, can directly rotate by hand during assembling and regulate tube as nicking or netted stricture of vagina etc.; Also can on circumferential wall, make polygon, rotate with spanner during assembling.Adjusting rod 6,7 can be made into hollow, so that weight reduction, be shaped on and regulate the external screw thread that a female thread matches on its cylindrical, the diameter of two adjusting rods does not wait, one thicker, and another is thinner, and thin one can extend in the one thick hole when screwing, so that increase to regulate length, it is identical also to can be made into diameter.The end that adjusting rod is connected with supporting plate is made the cross-shaped pin shape shaft, matches with foraminous axle nest on the supporting plate saddle support 5 during assembling.During making, also an end that adjusting rod can be linked to each other with supporting plate is made foraminous axle nest, and the side that supporting plate is coupled is made pin shaft structure, also can realize the bearing pin hinged joint.
Each part of L shaped adjustable artificial vertebral body can be used titanium alloy, for example manufacturing such as Tc4, Tc6, also manufacturings such as available cobalt alloy, rustless steel or engineering plastics.
L shaped adjustable artificial vertebral body of the present invention has only six parts, and is simple in structure, low price, can make the model that varies in size as required, for example make large, medium and small three models, to adapt to the patient of the different bodily forms, help hospital and extensively carry out operations such as vertebral tumor.
Fig. 2 represents the sketch map in the L shaped adjustable artificial vertebral body implant into body of the present invention.During implantation, earlier the pointed stake on upper and lower supporting plate 1,2 horizontal planes is inserted upper and lower vertebral body, vertical plane is screwed into vertebral body with screw 14, upper and lower supporting plate is fixedly positioning, the axle 8 of the bearing pin of the adjusting rod 6,7 on the pillar 3 that will connect in advance snaps in the axle nest of saddle support 5 again, form the axle hinged joint, at this moment, the pin 9 of the bearing pin on the adjusting rod just in time stretches into circular hole 10, twist then and regulate tube 12, pillar 3 is transferred to Len req, at this moment whole artificial vertebral body is promptly firmly implanted, promptly be difficult for slippage, can slightly move forward and backward again.After the artificial vertebral body operation was fixing, according to the state of an illness, mid portion can surround into " sodium reinforced concrete " post with bone cement (polymethyl methacrylate) or other similar material, also can.
Fig. 3 is another embodiment of the L shaped artificial vertebral body of the present invention.The pin spherical hinge structure is adopted in being connected between its adjusting rod 6,7 that is pillar 3 with the difference of artificial vertebral body shown in Figure 1 and the supporting plate 1,2, an end that is about to adjusting rod 6,7 is made the bulb of band pin as shown in Figure 3, and supporting plate is made the foraminous ball-and-socket in associated centre; Otherwise perhaps, an end of adjusting rod is made foraminous ball-and-socket, and the end that supporting plate is coupled is made associated pin ball.
Fig. 4 is the L shaped adjustable artificial vertebral body group sketch map of the present invention.L shaped adjustable artificial vertebral body of the present invention is linked together each artificial vertebral body with rebound shown in Figure 4 15, can form the artificial vertebral body group.During making, with the bearing pin on axle nest or ball-and-socket and the adjusting rod on the rebound or sell ball and dress up non-removable articulated structure, the more piece artificial vertebral body can be connected into an artificial vertebral body group.
Artificial vertebral body of the present invention is achieved success through clinical verification.For example, in December, 1989 was made two routine hands arts at General Logistics Department 301 Hospital orthopaedics; Do an example operation in People's Hospital of Xinjiang Uyghur Autonomous Region July nineteen ninety and all achieved success, respond well.
Claims (10)
1, a kind of L shaped adjustable artificial vertebral body comprises upper and lower supporting plate and between upper and lower supporting plate and adjustable prop interconnective with it, the invention is characterized in that upper and lower supporting plate is L shaped, is hinged between upper and lower supporting plate and the adjustable prop.
2, according to the described artificial vertebral body of claim 1, it is characterized in that between upper and lower supporting plate and the adjustable prop hinged by bearing pin.
3,, it is characterized in that between upper and lower supporting plate and the adjustable prop together by the pin ball-joint according to the described artificial vertebral body of claim 1.
4,, it is characterized in that the upper and lower adjusting rod of adjustable prop is a hollow according to claim 1 or 2 or 3 described artificial vertebral bodies.
5,, it is characterized in that the external diameter of upper and lower adjusting rod does not wait according to the described artificial vertebral body of claim 4.
6,, it is characterized in that being carved with decorative pattern on the adjusting tube circumferential wall of adjustable prop according to the described artificial vertebral body of claim 5.
7,, it is characterized in that being shaped on the polygon that is used to twist on the circumferential wall of adjusting tube of adjustable prop according to the described artificial vertebral body of claim 5.
8, according to claim 1 or 2 or 3 or 5 or 6 or 7 described artificial vertebral bodies, it is characterized in that having on the upper and lower supporting plate pointed stake and a screw hole.
9,, it is characterized in that each part of described artificial vertebral body is made with titanium alloy according to the described artificial vertebral body of claim 1.
10,, it is characterized in that available rebound connects into more piece artificial vertebral body group according to the described artificial vertebral body of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91100283A CN1018714B (en) | 1991-01-18 | 1991-01-18 | L-shaped adjustable artificial vertebral body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91100283A CN1018714B (en) | 1991-01-18 | 1991-01-18 | L-shaped adjustable artificial vertebral body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1053004A CN1053004A (en) | 1991-07-17 |
| CN1018714B true CN1018714B (en) | 1992-10-21 |
Family
ID=4904531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91100283A Expired CN1018714B (en) | 1991-01-18 | 1991-01-18 | L-shaped adjustable artificial vertebral body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1018714B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306912C (en) * | 2002-06-17 | 2007-03-28 | 颜宗宝 | Intervertebral pulling off reset device |
| CN101095626B (en) * | 2006-06-29 | 2010-07-07 | 李郁松 | Anterior cervical vertebrae single corpus vertebrae Subtotal ablation physiological inner fixing device |
| CN101095624B (en) * | 2006-06-29 | 2010-12-15 | 李郁松 | Subtotal ablation of anterior cervical vertebrae continuity multiple corpus vertebraes physiological inner fixing device |
| CN101019787B (en) * | 2006-12-31 | 2012-09-05 | 中国人民解放军第四军医大学 | Physiological cervical vertebral reconstructing system |
| US8292963B2 (en) * | 2009-04-23 | 2012-10-23 | Warsaw Orthopedic, Inc. | Expandable implant for supporting skeletal structures |
| US9700425B1 (en) | 2011-03-20 | 2017-07-11 | Nuvasive, Inc. | Vertebral body replacement and insertion methods |
| US9452062B2 (en) * | 2011-06-29 | 2016-09-27 | Xijing He | Adjustable complex of artificial cervical vertebra and intervertebral connector |
| CN102240234B (en) * | 2011-06-29 | 2013-07-10 | 西安交通大学 | Adjustable artificial cervical vertebra and intervertebral connecting complex |
| CN102319129B (en) * | 2011-10-24 | 2015-05-20 | 北京爱康宜诚医疗器材股份有限公司 | Fusion prosthesis |
| CN103239305A (en) * | 2012-02-10 | 2013-08-14 | 北京爱康宜诚医疗器材股份有限公司 | Self-stabilization artificial vertebral body |
| EP2628466B1 (en) * | 2012-02-17 | 2017-04-05 | Medacta International S.A. | Intervertebral implant with improved fastening system for the fixing plate |
| CN102715969B (en) * | 2012-07-06 | 2014-10-08 | 常州市康辉医疗器械有限公司 | Combined artificial vertebral body |
| CA2898391C (en) | 2013-02-14 | 2017-05-09 | Medacta International Sa | Intervertebral implant with improved shape of the fixing plate |
| CN103800101B (en) * | 2014-02-28 | 2016-01-13 | 西安交通大学 | A kind of anti-dislocation formula non-fused artificial cervical and intervertebral disc system |
| CN105997309B (en) * | 2016-04-29 | 2018-05-04 | 西安交通大学第二附属医院 | A kind of bionical anti-dislocation goat lumbar vertebrae junctional complex |
| CN106821555B (en) * | 2016-12-29 | 2018-07-27 | 大博医疗科技股份有限公司 | Three dimensional elasticity dynamic artificial vertebral body |
| CN107049562B (en) * | 2017-04-19 | 2018-07-13 | 中国人民解放军第四军医大学 | A kind of double acting joint cervical prosthesis |
| CN107569309B (en) * | 2017-08-18 | 2023-08-22 | 北京爱康宜诚医疗器材有限公司 | Vertebral prosthesis capable of being implanted into long bone |
-
1991
- 1991-01-18 CN CN91100283A patent/CN1018714B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1053004A (en) | 1991-07-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |