CN109077835A - Centrum prosthese - Google Patents
Centrum prosthese Download PDFInfo
- Publication number
- CN109077835A CN109077835A CN201811260187.3A CN201811260187A CN109077835A CN 109077835 A CN109077835 A CN 109077835A CN 201811260187 A CN201811260187 A CN 201811260187A CN 109077835 A CN109077835 A CN 109077835A
- Authority
- CN
- China
- Prior art keywords
- centrum
- hypocentrum
- hole
- link block
- engaging
- 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.)
- Pending
Links
- 210000000515 tooth Anatomy 0.000 claims description 28
- 238000010586 diagram Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000015122 neurodegenerative disease Diseases 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
-
- 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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30433—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels, rivets or washers e.g. connecting screws
-
- 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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
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
The present invention provides a kind of centrum prostheses, comprising: upper centrum, for being connect with occipital condyle；Hypocentrum, for being connect with vertebra；Link block, link block is arranged in the bottom of upper centrum and is arranged towards hypocentrum, for connecting upper centrum and hypocentrum, to solve the problems, such as that prosthese utilization efficiency in the prior art is low.
Description
Technical field
The present invention relates to a kind of medical prosthetics, in particular to a kind of centrum prosthese.
Background technique
Articulatio atlantoepistrophica disease is increasingly common, and Osteoarthritis is a kind of degenerative disease, also there is atlantoaxial dislocation, tumour
Etc. illnesss, wherein atlas and axis position will be cut away if there is tumour, entire articulatio atlantoepistrophica, this is to need one kind that can replace
For the Using prosthesis of articulatio atlantoepistrophica, general fusion device is extremely difficult to perfect effect, since it is desired that prosthese and occipital condyle or near
The good position of sclerotin, which is realized, to be fixed, and general fusion device configuration design does not allow to fix with occipital condyle, and such prosthese needs at present
It to be solved by customization.
But it, can be by patient's body in operation because practical operation may have little bit different in the design and operation in three-dimensional software
The influence of the factors such as position, when practical operation lesions position is cut off after gap and three-dimensional software in possibility it is variant, in order to
So that operation can be gone on smoothly, several prostheses of different length can be provided for patient generally for doctor's selection.Due to providing
Several prostheses can only use one kind in practical applications, and other prostheses thus form resource just without utility value
Waste.
Summary of the invention
The main purpose of the present invention is to provide a kind of centrum prostheses, low to solve prosthese utilization efficiency in the prior art
The problem of.
To achieve the goals above, the present invention provides a kind of centrum prostheses, comprising: upper centrum, for connecting with occipital condyle
It connects；Hypocentrum, for being connect with vertebra；Link block, link block are arranged in the bottom of upper centrum and are arranged towards hypocentrum, be used for
Centrum and hypocentrum in connection.
Further, it is provided with fixation hole on upper centrum, to make upper vertebra by the fastener being threaded through in upper fixation hole
Body is connect with occipital condyle.
Further, upper fixation hole is extended to the top surface of upper centrum by the side of upper centrum, by being threaded through upper fixation
Upper centrum connect by the fixing piece in hole with occipital condyle.
Further, it is provided with the holding tank for accommodating link block on hypocentrum, offers engaging tooth on link block, holds
Receive slot inner wall on be provided with engaging groove compatible with engaging tooth, with link block insertion holding tank in after, make engaging tooth with
Engaging groove is meshed.
Further, slide-in opening is provided on the side wall of hypocentrum, engaging groove extends to slide-in opening, so that connection
Block is slid into holding tank by sliding into be open；Wherein, when link block is open in slide-in holding tank by sliding into, engaging tooth insertion is corresponded to
Engaging groove in and move to be meshed with the engaging groove along the engaging groove.
Further, engaging tooth be it is multiple, multiple engaging tooths are arranged on link block at intervals, engaging groove be it is multiple,
Multiple engaging grooves are arranged correspondingly with multiple engaging tooths.
Further, centrum prosthese further include: buckle, buckle are arranged in one end of engaging tooth, buckle to be multiple, multiple cards
Button is arranged in a one-to-one correspondence with multiple engaging tooths；Card slot, card slot are arranged in the side of engaging groove, card slot be it is multiple, multiple card slots with
Multiple buckles are arranged in a one-to-one correspondence, and each buckle is at least partly fastened in corresponding card slot, by upper centrum and hypocentrum
Connection.
Further, hypocentrum includes: fixed plate, and fixed plate has prolonging for the direction for being directed away from hypocentrum bottom surface extension
Mounting portion is constituted between the bottom surface of extending portion, extension and hypocentrum, be mounted on hypocentrum on vertebra by mounting portion.
Further, extension is provided with lower fixed hole, by making the connector being threaded through in lower fixed hole be inserted into vertebra
Hypocentrum to be connected on vertebra in bone.
Further, hypocentrum further include: relief hole, relief hole are provided with the inside of hypocentrum and the extension along hypocentrum
Direction setting, at least partly hole section of relief hole are threaded hole.
Further, connecting hole is provided on link block, connecting hole is threaded hole, by making to connect screw bolt passes
Upper centrum is connect with hypocentrum with connecting hole in relief hole.
It applies the technical scheme of the present invention, centrum prosthese includes upper centrum, hypocentrum and link block, and upper centrum is used for and pillow
The connection of bone condyle；Hypocentrum with vertebra for connecting；Link block is arranged in the bottom of upper centrum and is arranged towards hypocentrum, for connecting
Centrum and hypocentrum are connected, the connection distance between upper centrum and hypocentrum can be controlled by link block, and then control centrum
The height of prosthese, structure is simple and improves the utilization rate of centrum prosthese.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of centrum prosthese according to the present invention；And
Fig. 2 shows the structural schematic diagrams of one embodiment of the upper centrum of centrum prosthese according to the present invention；
Fig. 3 shows the sectional view of one embodiment of the hypocentrum of centrum prosthese according to the present invention；
Fig. 4 shows the structural schematic diagram of second embodiment of the upper centrum of centrum prosthese according to the present invention；
Fig. 5 shows the structural schematic diagram of second embodiment of the hypocentrum of centrum prosthese according to the present invention；
Fig. 6 shows the partial enlarged view of the hypocentrum according to the centrum prosthese in Fig. 5；And
Fig. 7 shows the cross-sectional view of the connecting portion of the centrum prosthese according to Fig. 5.
Wherein, the above drawings include the following reference numerals:
10, upper centrum；11, upper fixation hole；20, hypocentrum；21, holding tank；210, engaging groove；22, fixed plate；220, under
Fixation hole；23, relief hole；30, link block；31, engaging tooth；32, connecting hole；33, it buckles；34, card slot.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 to Fig. 7 is please referred to, the present invention provides a kind of centrum prostheses, comprising: upper centrum 10, hypocentrum 20 and connection
Block 30, upper centrum 10 with occipital condyle for connecting；Hypocentrum 20 with vertebra for connecting；Upper centrum 10 is arranged in link block 30
Bottom is simultaneously arranged towards hypocentrum 20, for connecting upper centrum 10 and hypocentrum 20.
The centrum prosthese provided according to the present invention, including upper centrum 10, hypocentrum 20 and link block 30, upper centrum 10 are used for
It is connect with occipital condyle；Hypocentrum 20 with vertebra for connecting；Link block 30 is arranged in the bottom of upper centrum 10 and towards hypocentrum
20 settings can be controlled between upper centrum 10 and hypocentrum 20 for connecting upper centrum 10 and hypocentrum 20 by link block 30
Connection distance, and then control centrum prosthese height so that the centrum borrowed structure is simple, and improve centrum prosthese
Utilization rate.
As shown in Figure 1, fixation hole 11 is provided on upper centrum 10, to pass through the fastener being threaded through in upper fixation hole 11
It connect centrum 10 with occipital condyle.
Specifically, upper fixation hole 11 is extended to the top surface of upper centrum 10 by the side of upper centrum 10, on by being threaded through
Upper centrum 10 connect by the fixing piece in fixation hole 11 with occipital condyle.
Specifically, even closer in order to make to connect between upper centrum 10 and hypocentrum 20, as shown in Figure 1, hypocentrum 20
On be provided with holding tank 21 for accommodating link block 30, engaging tooth 31 is offered on link block 30, on the inner wall of holding tank 21
It is provided with engaging groove 210 compatible with engaging tooth 31, to make engaging tooth 31 and nibble after link block 30 is inserted into holding tank 21
Slot 210 is closed to be meshed.
Slide-in opening is provided on the side wall of hypocentrum 20, engaging groove 210 extends to slide-in opening, so that link block 30
It is slid into holding tank 21 by sliding into be open；Wherein, when link block 30 is open in slide-in holding tank 21 by sliding into, engaging tooth 31 is inserted
Enter in corresponding engaging groove 210 and move along the engaging groove 210 to be meshed with the engaging groove 210, wherein engaging groove 210
Extending direction and the direction for sliding into opening are each perpendicular to the extending direction of hypocentrum 20.
Further, in order to more easily adjust the connection distance between upper centrum 10 and hypocentrum 20, engaging tooth 31 is
Multiple, multiple engaging tooths 31 are arranged at intervals on link block 30, engaging groove 210 be it is multiple, multiple engaging grooves 210 with it is multiple
Engaging tooth 31 is arranged correspondingly.
As shown in Figure 4 and Figure 5, centrum prosthese further includes buckle 33 and card slot 34, and buckle 33 is arranged in the one of engaging tooth 31
End, to be multiple, multiple buckles 33 are arranged in a one-to-one correspondence buckle 33 with multiple engaging tooths 31；Engaging groove 210 is arranged in card slot 34
Side, card slot 34 be it is multiple, multiple card slots 34 and multiple buckles 33 are arranged in a one-to-one correspondence, and each 33 at least partly card of buckling is set
In corresponding card slot 34, upper centrum 10 and hypocentrum 20 are connected.
Specifically, as shown in figure 3, hypocentrum 20 includes fixed plate 22, fixed plate 22, which has, is directed away from 20 bottom of hypocentrum
The extension that the direction in face extends, constitutes mounting portion between extension and the bottom surface of hypocentrum 20, to make lower vertebra by mounting portion
Body 20 is mounted on vertebra；Extension is provided with lower fixed hole 220, by making the connector being threaded through in lower fixed hole 220
It is inserted into vertebra so that hypocentrum 20 to be connected on vertebra.
As shown in Fig. 3 and Fig. 1, hypocentrum 20 further includes relief hole 23, and relief hole 23 is provided with the inside of hypocentrum 20 simultaneously
Extending direction along hypocentrum 20 is arranged, and at least partly hole section of relief hole 23 is threaded hole；Connection is provided on link block 30
Hole 32, connecting hole 32 are threaded hole, by making to connect in screw bolt passes relief hole 23 and connecting hole 32 is by upper centrum 10
It is connect with hypocentrum 20；In addition, relief hole 23 can also exclude the wasted powder that centrum prosthese is generated in processing more
Thoroughly, make centrum prosthese safer when in use.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Centrum prosthese provided by the invention, including upper centrum 10, hypocentrum 20 and link block 30, upper centrum 10 are used for and pillow
The connection of bone condyle；Hypocentrum 20 with vertebra for connecting；Link block 30 is arranged in the bottom of upper centrum 10 and sets towards hypocentrum 20
It sets, for connecting upper centrum 10 and hypocentrum 20, the company between upper centrum 10 and hypocentrum 20 can be controlled by link block 30
Distance is connect, and then controls the height of centrum prosthese, structure is simple and improves the utilization rate of centrum prosthese.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of centrum prosthese characterized by comprising
Upper centrum (10), for being connect with occipital condyle；
Hypocentrum (20), for being connect with vertebra；
Link block (30), the link block (30) are arranged the bottom in the upper centrum (10) and set towards the hypocentrum (20)
It sets, for connecting the upper centrum (10) and the hypocentrum (20).
2. centrum prosthese according to claim 1, which is characterized in that be provided with fixation hole on the upper centrum (10)
(11), connect the upper centrum (10) with the occipital condyle by the fastener being threaded through in fixed hole (11).
3. centrum prosthese according to claim 2, which is characterized in that fixed hole (11) is by the upper centrum (10)
Side extend to the top surface of the upper centrum (10), with will be described by the fixing piece being threaded through in fixed hole (11)
Upper centrum (10) connect with the occipital condyle.
4. centrum prosthese according to claim 1, which is characterized in that be provided on the hypocentrum (20) for accommodating
State the holding tank (21) of link block (30), offered engaging tooth (31) on the link block (30), the holding tank (21) it is interior
The compatible engaging groove (210) with the engaging tooth (31) is provided on wall, to be inserted into the receiving in the link block (30)
After in slot (21), the engaging tooth (31) is made to be meshed with the engaging groove (210).
5. centrum prosthese according to claim 4, which is characterized in that be provided with slide-in on the side wall of the hypocentrum (20)
Opening, the engaging groove (210) extend to the slide-in opening, slide into so that the link block (30) is open by the slide-in
In the holding tank (21)；Wherein, when the link block (30) is interior by the slide-in opening slide-in holding tank (21), institute
State engaging tooth (31) be inserted into the corresponding engaging groove (210) and along the engaging groove (210) it is mobile with the engaging groove (210)
It is meshed.
6. centrum prosthese according to claim 4, which is characterized in that the engaging tooth (31) be it is multiple, it is multiple described to nibble
It closes tooth (31) to be arranged at intervals on the link block (30), the engaging groove (210) is multiple, multiple engaging grooves
(210) it is arranged correspondingly with multiple engaging tooths (31).
7. the centrum prosthese according to any one of claim 4 to claim 6, which is characterized in that the centrum prosthese
Further include:
It buckles (33), in one end of the engaging tooth (31), the buckle (33) is multiple, Duo Gesuo for buckle (33) setting
Buckle (33) is stated to be arranged in a one-to-one correspondence with multiple engaging tooths (31)；
Card slot (34), the card slot (34) setting in the side of the engaging groove (210), the card slot (34) be it is multiple, it is multiple
The card slot (34) is arranged in a one-to-one correspondence with multiple buckles (33), and each buckle (33) is at least partly fastened on phase
In the card slot (34) answered, the upper centrum (10) and the hypocentrum (20) are connected.
8. centrum prosthese according to claim 1, which is characterized in that the hypocentrum (20) includes:
Fixed plate (22), the extension that there is the fixed plate (22) direction for being directed away from the hypocentrum (20) bottom surface to extend
Portion constitutes mounting portion between the extension and the bottom surface of the hypocentrum (20), to make the lower vertebra by the mounting portion
Body (20) is mounted on the vertebra.
9. centrum prosthese according to claim 8, which is characterized in that the extension is provided with lower fixed hole (220), with
By being inserted into the connector being threaded through in the lower fixed hole (220) in the vertebra so that the hypocentrum (20) to be connected to
On the vertebra.
10. centrum prosthese according to claim 1, which is characterized in that the hypocentrum (20) further include:
Relief hole (23), inside that the relief hole (23) is provided with the hypocentrum (20) and prolonging along the hypocentrum (20)
Direction setting is stretched, at least partly hole section of the relief hole (23) is threaded hole.
11. centrum prosthese according to claim 10, which is characterized in that be provided with connecting hole on the link block (30)
(32), the connecting hole (32) is threaded hole, by keeping relief hole (23) described in connection screw bolt passes interior and the company
It connects hole (32) and connect the upper centrum (10) with the hypocentrum (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260187.3A CN109077835A (en) | 2018-10-26 | 2018-10-26 | Centrum prosthese |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260187.3A CN109077835A (en) | 2018-10-26 | 2018-10-26 | Centrum prosthese |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109077835A true CN109077835A (en) | 2018-12-25 |
Family
ID=64844353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811260187.3A Pending CN109077835A (en) | 2018-10-26 | 2018-10-26 | Centrum prosthese |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109077835A (en) |
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