CN109431660A - Tibia support and single condyle prosthese with it - Google Patents
Tibia support and single condyle prosthese with it Download PDFInfo
- Publication number
- CN109431660A CN109431660A CN201811545169.XA CN201811545169A CN109431660A CN 109431660 A CN109431660 A CN 109431660A CN 201811545169 A CN201811545169 A CN 201811545169A CN 109431660 A CN109431660 A CN 109431660A
- Authority
- CN
- China
- Prior art keywords
- base body
- tibia support
- shin bone
- connecting portion
- connector
- 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
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
- A61F2/38—Joints for elbows or knees
- A61F2/3859—Femoral components
-
- 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
- A61F2/38—Joints for elbows or knees
- A61F2/389—Tibial components
-
- 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
- A61F2002/30332—Conically- or frustoconically-shaped protrusion and recess
-
- 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
Abstract
The present invention provides a kind of tibia support and with its single condyle prosthese, prosthetic replacement of the tibia support applied to condyle joint, tibia support includes: base body, and base body with shin bone for connecting；Connection component, connection component are removably disposed on base body, and base body and shin bone are attached；Wherein, connection component includes multiple connectors, and multiple connectors are optionally arranged on base body, to avoid the bad place of shin bone and base body is connected on shin bone.Tibia support of the invention solves the problems, such as that single condyle prosthese in the prior art cannot be effectively fixed on defective tibial plateau.
Description
Technical field
The present invention relates to medical prosthesis fields, in particular to a kind of tibia support and with its single condyle prosthese.
Background technique
There are two types of single condyle prostheses of existing medical prosthetic field application: active type and fixed.Two kinds of single condyle prosthese shin bones
Support fixation is realized by vertical columns or anti-rotation rib, and existing vertical columns or anti-rotation rib and tibia support are integrated into
Type, the fixed form of both modes be all carried out in the state of good with the tibial plateau of people itself using, and work as shin
For bone platform there are when defect, it is good that the vertical columns of existing tibia support or anti-rotation rib cannot be effectively fixed in tibial plateau sclerotin
Place, so as to cause postoperative tibia support to loosen, prosthese is overhauled.
Summary of the invention
The main purpose of the present invention is to provide a kind of tibia support and with its single condyle prosthese, to solve in the prior art
Single condyle prosthese cannot be effectively fixed in the problem on defective tibial plateau.
To achieve the goals above, a kind of tibia support is provided according to an aspect of the present invention, applied to condyle joint
Prosthetic replacement, tibia support include: base body, and base body with shin bone for connecting；Connection component, connection component are removably disposed in support
On body, base body and shin bone are attached；Wherein, connection component includes multiple connectors, and multiple connectors are selectively set
It sets on base body, to avoid the bad place of shin bone and base body is connected on shin bone.
Further, base body is equipped with multiple connecting holes, and multiple connectors are selectively plugged in multiple connecting holes, with
It is attached with base body.
Further, connector includes: first connecting portion, connector by first connecting portion be plugged in connecting hole with
Base body is attached；Second connecting portion, connector by second connecting portion be plugged in the mounting hole on shin bone Nei with shin bone into
Row connection.
Further, connecting hole is threaded hole, and first connecting portion is threaded rod, and connector passes through on threaded rod and base body
Threaded hole is attached.
Further, connecting hole is bellmouth, and first connecting portion is the tapered protrusion to match with bellmouth, and connector is logical
Tapered protrusion is crossed to be attached with the bellmouth on base body.
Further, second connecting portion surface is equipped with anti-skid structure, so that second connecting portion to be fixed on shin bone.
Further, anti-skid structure is network.
According to another aspect of the present invention, a kind of single condyle prosthese, including tibia support, tibial insert and femur portion are provided
Part, femoral component are connect by tibial insert with tibia support, and tibia support is above-mentioned tibia support.
Further, base body is equipped with card groove assembly, and tibial insert is movably disposed in card groove assembly, and femoral component is logical
Tibial insert is crossed to be movably coupled to base body.
Further, base body is equipped with closing component structure, and closing component structure is for tibial insert to be limited in card groove assembly.
The tibia support to apply the technical scheme of the present invention is applied in the prosthetic surgery displacement in condyle joint, tibia support tool
The connection component for having base body and being detachably connected with base body, the connection component in the present embodiment includes multiple connectors, Duo Gelian
Fitting should avoid defective on the place loosened on shin bone or patient's shin bone and lesion place when being attached with base body
It is attached, tibia support of the invention solves single condyle prosthese in the prior art by the way that base body and connection component to be provided separately
The problem that cannot be effectively fixed on defective tibial plateau.
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 schematic diagram of the embodiment of single condyle prosthese according to the present invention；
Fig. 2 shows the cross-sectional views of single condyle prosthese embodiment of the invention in Fig. 1；
Fig. 3 shows the schematic diagram of base body embodiment of the invention；
Fig. 4 shows the cross-sectional view of base body embodiment of the invention；
Fig. 5 shows the schematic diagram of connector embodiment of the invention；
Fig. 6 shows the cross-sectional view of connector embodiment of the invention.
Wherein, the above drawings include the following reference numerals:
10, femoral component；20, tibial insert；30, tibia support；31, base body；311, connecting hole；312, card groove assembly；
313, closing component structure；40, connection component；41, connector；411, first connecting portion；412, second connecting portion；413, anti-Slipped Clove Hitch
Structure.
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.
The present invention provides a kind of tibia supports to please refer to Fig. 1 to Fig. 6, tibia support packet applied to the prosthetic replacement in condyle joint
Include: base body 31, base body 31 with shin bone for connecting；Connection component 40, connection component 40 are removably disposed on base body 31, with
Base body 31 is attached with shin bone；Wherein, connection component includes multiple connectors 41, and multiple connectors 41 are selectively arranged
On base body 31, to avoid the bad place of shin bone and base body 31 be connected on shin bone.
The present invention devises a kind of tibia support, applies in the prosthetic surgery displacement in condyle joint, which has base body
31 and the connection component 40 that is detachably connected with base body 31, the connection component 40 in the present embodiment includes multiple connectors 41, more
A connector 41 should be avoided defective and sick on the place loosened on shin bone or patient's shin bone when being attached with base body 31
The place of change is attached, and tibia support of the invention solves the prior art by the way that base body 31 and connection component 40 to be provided separately
In single condyle prosthese cannot be effectively fixed in the problem on defective tibial plateau.
Base body 31 is equipped with multiple connecting holes 311, and multiple connectors 41 are selectively plugged in multiple connecting holes 311,
To be attached with base body 31.
As shown in figure 3, base body 31 in the present embodiment is equipped with multiple connecting holes 311, the quantity of connector 41 be less than or
Equal to the quantity of connecting hole 311, multiple connectors 41 can quantity as needed be plugged in corresponding connecting hole 311, with
Base body 31 is attached.
Connector 41 includes: first connecting portion 411, and connector 41 is plugged in connecting hole 311 by first connecting portion 411
To be attached with base body 31；Second connecting portion 412, connector 41 are plugged in the installation on shin bone by second connecting portion 412
To be attached with shin bone in hole.
As shown in Fig. 1, Fig. 5 and Fig. 6, connector 41 in the present embodiment includes two parts, a part for for connection
The first connecting portion 411 that hole 311 matches, another part are the second connecting portion 412 for being attached with shin bone, two parts
It is all made of and plugs connection.
Connecting hole 311 is threaded hole, and first connecting portion 411 is threaded rod, and connector 41 passes through on threaded rod and base body 31
Threaded hole be attached.
The first optional embodiment, connecting hole 311 are set as internal thread hole according to the present invention, and first connecting portion 411 is
Threaded rod, connector 41 are threadedly coupled with base body 31.
Connecting hole 311 is bellmouth, and first connecting portion 411 is the tapered protrusion to match with bellmouth, and connector 41 is logical
Tapered protrusion is crossed to be attached with the bellmouth on base body 31.
Optional second of embodiment according to the present invention, connecting hole 311 are set as bellmouth, and first connecting portion 411 is arranged
For the centrum to match with bellmouth, connector 41 is plugged in bellmouth by centrum to be cooperated with base body 31.
412 surface of second connecting portion is equipped with anti-skid structure 413, so that second connecting portion 412 to be fixed on shin bone.It is anti-skidding
Structure 413 is network.
As shown in Figure 5 and Figure 6, anti-skid structure is provided in the second connecting portion 412 of connector 41 in the present embodiment
413, to increase the frictional force that second connecting portion 412 is connect with shin bone so that connector 41 connect with shin bone it is even closer
With it is secured, it is preferable that the anti-skid structure is set as network, and a plurality of mutual friendship is arranged on the surface of second connecting portion 412
Wrong oblique line groove.
The present invention also provides a kind of single condyle prosthese, including tibia support 30, tibial insert 20 and femoral component 10, femur portions
Part 10 is connect by tibial insert 20 with tibia support 30, and tibia support 30 is above-mentioned tibia support 30.
As shown in Figure 1, the prosthese further includes shin the present invention also provides a kind of single condyle prosthese with above-mentioned tibia support 30
Bone gasket 20 and femoral component 10, femoral component 10 are connect by tibial insert 20 with tibia support 30, and then pass through tibia support 30
It is attached with shin bone.
Base body 31 is equipped with card groove assembly 312, and tibial insert 20 is movably disposed in card groove assembly 312, femoral component
10 are movably coupled to by tibial insert 20 with base body 31.Base body 31 is equipped with closing component structure 313, and closing component structure 313 is used for
Tibial insert 20 is limited in card groove assembly 312.
As shown in Figures 2 to 4, the base body 31 in the present embodiment is equipped with card groove assembly 312 and closing component structure 313, passes through
Setting card groove assembly 312 is fastened on tibial insert 20 on tibia support, avoids shin bone pad by setting closing component structure 313
Piece is separated with base body.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Single condyle prosthese consists of three parts: femoral component 10, tibial insert 20, tibia support 30 and connection component 40, shin
Bone gasket 20 is between femoral component 10 and tibia support 30, and wherein tibial insert 20 has a upper surface, lower surface, on tibial insert 20
Surface and 10 appearance face contact of femoral component.20 lower surface of tibial insert is contacted with 30 upper surface of tibia support.Tibial insert 20 is logical
Gasket closing component structure is crossed to be fixed in the closing component structure of tibia support 30.Connection component 40 and tibia support 30 pass through tibia support connecting hole
It is connected.Femoral component 10 and the preferred vitallium of 30 material of tibia support, the material of tibial insert 20 are preferably high in the present invention
Crosslinked ultra-high-molecular-weight polyethylene or ultra-high molecular weight polyethylene.The preferred titanium alloy of the material of connection component 40.
The upper surface of tibial insert 20 is the curved surface of almost plane, and the outer surface of femoral component 10 can be in tibial insert 20
Upper surface it is free to slide, no Curvature match.
10 inner surface of femoral component is provided with anti-rotation rib and fixed column.Fixed column has bone cement slot.
Tibia support 30 limits the movement of tibial insert 20 by card groove assembly, and tibia support 30, which is pulled through closing component structure, prevents shin bone pad
Piece 20 is deviate from outward.There are three connecting holes for tibia support 30 in the present embodiment, and quantity is unlimited, and position is unlimited, and locking mode can
To be to be threadedly engaged, bore and match.
Connector 41 is 3D printing titanium alloy column, and there is certain thickness network in 41 outer surface of connector, passes through net
Lattice structure can be such that column is effectively fixed in human tibia support.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of tibia support, the prosthetic replacement applied to condyle joint, which is characterized in that the tibia support includes:
Base body (31), the base body (31) with shin bone for connecting；
Connection component (40), the connection component (40) is removably disposed on the base body (31), by the base body
(31) it is attached with the shin bone；
Wherein, the connection component includes multiple connectors (41), and multiple connectors (41) are optionally arranged at described
On base body (31), to avoid the bad place of the shin bone and the base body (31) be connected on the shin bone.
2. tibia support according to claim 1, which is characterized in that the base body (31) is equipped with multiple connecting holes (311),
Multiple connectors (41) are selectively plugged in multiple connecting holes (311), to be connected with the base body (31)
It connects.
3. tibia support according to claim 2, which is characterized in that the connector (41) includes:
First connecting portion (411), the connector (41) are plugged in the connecting hole by the first connecting portion (411)
(311) to be attached with the base body (31) in；
Second connecting portion (412), the connector (41) are plugged in the peace on the shin bone by the second connecting portion (412)
It fills in hole to be attached with the shin bone.
4. tibia support according to claim 3, which is characterized in that the connecting hole (311) is threaded hole, and described first connects
Socket part (411) is threaded rod, the connector (41) by the threaded hole on the threaded rod and the base body (31) into
Row connection.
5. tibia support according to claim 3, which is characterized in that the connecting hole (311) is bellmouth, and described first connects
Socket part (411) is the tapered protrusion to match with the bellmouth, the connector (41) by the tapered protrusion with it is described
The bellmouth on base body (31) is attached.
6. tibia support according to claim 3, which is characterized in that second connecting portion (412) surface is equipped with anti-Slipped Clove Hitch
Structure (413), so that the second connecting portion (412) to be fixed on the shin bone.
7. tibia support according to claim 6, which is characterized in that the anti-skid structure (413) is network.
8. a kind of list condyle prosthese, including tibia support (30), tibial insert (20) and femoral component (10), the femoral component (10)
It is connect by the tibial insert (20) with the tibia support (30), which is characterized in that the tibia support (30) is claim 1
To tibia support described in any one of 7 (30).
9. list condyle prosthese according to claim 8, which is characterized in that the base body (31) is equipped with card groove assembly (312), institute
It states tibial insert (20) to be movably disposed in the card groove assembly (312), the femoral component (10) passes through the shin bone
Gasket (20) is movably coupled to the base body (31).
10. list condyle prosthese according to claim 9, which is characterized in that the base body (31) is equipped with closing component structure
(313), the closing component structure (313) is used to for the tibial insert (20) being limited in the card groove assembly (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545169.XA CN109431660A (en) | 2018-12-17 | 2018-12-17 | Tibia support and single condyle prosthese with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545169.XA CN109431660A (en) | 2018-12-17 | 2018-12-17 | Tibia support and single condyle prosthese with it |
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| Publication Number | Publication Date |
|---|---|
| CN109431660A true CN109431660A (en) | 2019-03-08 |
Family
ID=65560159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811545169.XA Pending CN109431660A (en) | 2018-12-17 | 2018-12-17 | Tibia support and single condyle prosthese with it |
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| CN (1) | CN109431660A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109771104A (en) * | 2019-03-11 | 2019-05-21 | 北京力达康科技有限公司 | A kind of MTS medial tibial plateau sticking patch, assembly type MTS medial tibial plateau sticking patch and its minimally invasive method of replacing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771104A (en) * | 2019-03-11 | 2019-05-21 | 北京力达康科技有限公司 | A kind of MTS medial tibial plateau sticking patch, assembly type MTS medial tibial plateau sticking patch and its minimally invasive method of replacing |
| WO2020181608A1 (en) * | 2019-03-11 | 2020-09-17 | 王岩 | Mts medial tibial plateau patch, modular mts medial tibial plateau patch and minimally invasive replacement method therefor |
| JP2022522557A (en) * | 2019-03-11 | 2022-04-20 | 王岩 | MTS medial tibial plateau patch, prefabricated MTS medial tibial plateau patch and its minimally invasive replacement method |
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