CN106726023B - Joint position calibrating installation - Google Patents
Joint position calibrating installation Download PDFInfo
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- CN106726023B CN106726023B CN201611265839.3A CN201611265839A CN106726023B CN 106726023 B CN106726023 B CN 106726023B CN 201611265839 A CN201611265839 A CN 201611265839A CN 106726023 B CN106726023 B CN 106726023B
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- bone
- calibrated
- epiphysis
- epiphysis portion
- joint
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Classifications
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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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4601—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
-
- 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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4687—Mechanical guides for implantation instruments
-
- 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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4688—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor having operating or control means
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- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physical Education & Sports Medicine (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The present invention provides a kind of joint position calibrating installation, which includes: the first epiphysis portion, and the first epiphysis portion is removably mounted on first bone to be calibrated in joint；Second epiphysis portion, the second epiphysis portion are removably mounted in the first epiphysis portion, are provided with calibration structure in the second epiphysis portion, are calibrated with the position of the second bone to be calibrated to joint.It when work, is calibrated by position of the calibration structure to the second bone to be calibrated, to make to generate position association between the second bone to be calibrated and the first bone to be calibrated, so that the positioning between the first bone to be calibrated and the second bone to be calibrated is more accurate.
Description
Technical field
The present invention relates to Bones and joints field of locating technology, in particular to a kind of joint position calibrating installation.
Background technique
Artificial knee replacement surgery has become a kind of relatively common surgical operation in medical field at present, in treatment class wind
There is in terms of the diseases such as wet arthritis, Osteoarthritis significant effect, in total knee replacement surgical procedure, need pair
Distal femur and proximal tibia two sides carry out osteotomy, are referring to the size for selecting prosthese and to determine prosthese installation position with osteotomy surface
It sets, distal femur and proximal tibia carry out osteotomy operation respectively and determine installation site, two sides in the surgical procedure of present
It cannot be associated with, the angle and displacement that will result in two side prosthesis actual installations generate deviation, and prosthese cannot be according to product design
Two sides relative position is implanted into, and articulatio femorotibialis malalignment occurs, to bring into articulatio femorotibialis stress distribution unevenness, is generated
Stress is concentrated, and the abrasion of polyethylene is aggravated, and soft tissue injury's function ultimately causes the failure of prosthese, and reduce prosthese uses the longevity
Life.
Summary of the invention
The main purpose of the present invention is to provide a kind of joint position calibrating installations, to solve femoral far in the prior art
Easily there is the problem of deviation in end and proximal tibia positioning.
To achieve the goals above, the present invention provides a kind of joint position calibrating installation, the joint position calibrating installations
It include: the first epiphysis portion, the first epiphysis portion is removably mounted on first bone to be calibrated in joint；Second epiphysis portion, second
Epiphysis portion is removably mounted in the first epiphysis portion, is provided with calibration structure in the second epiphysis portion, with second to joint to
It is calibrated the position of calibration bone.
Further, the first epiphysis portion includes: set casing, and holding tank, holding tank and are formed on the inner wall of set casing
The joint end of one bone to be calibrated is adapted.
Further, the first epiphysis portion further include: positioning column, positioning column are arranged in holding tank, and positioning column is removably
It is threaded through in the joint end of the first bone to be calibrated.
Further, the joint end of the first bone to be calibrated is the distal end of femur, the first epiphysis portion further include: positioning convex beam,
It positions convex beam to be arranged in holding tank, positioning convex beam is adapted with the fossa intercondyloidea of the distal end of femur.
Further, positioning column is multiple, and multiple positioning columns are symmetrical arranged using the length direction for positioning convex beam as center line.
Further, the second epiphysis portion includes main body, and calibration structure includes position mark groove, the setting of position mark groove
On the outer wall of main body.
Further, the side far from the first epiphysis portion of main body is provided with alignment surface, the length side of position mark groove
To vertical with alignment surface.
Further, the second epiphysis portion further includes first connecting portion, and first connecting portion is arranged in main body, the first epiphysis portion
On be provided with the second connecting portion being detachably connected with first connecting portion.
Further, first connecting portion is elastic card, be provided on elastic card clamping protrusion, second connecting portion be with
The compatible card slot of clamping protrusion.
Further, the first epiphysis portion further includes having resigning groove, and separate the first of positioning convex beam is arranged in resigning groove
The side of bone to be calibrated, card slot are arranged on the inner wall of resigning groove.
It applies the technical scheme of the present invention, since joint position calibrating installation of the invention includes the first epiphysis portion and second
Epiphysis portion, and the calibration structure calibrated to the position of second bone to be calibrated in joint, work are provided in the second epiphysis portion
When making, the first epiphysis portion is mounted on the first bone to be calibrated, then the second epiphysis portion is mounted on the first bone to be calibrated, is installed
After the completion, it is calibrated by position of the calibration structure to the second bone to be calibrated, to make the second bone to be calibrated and first to school
Position association is generated between quasi- bone, so that the positioning between the first bone to be calibrated and the second bone to be calibrated is more accurate.
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 diagrammatically illustrates the structure chart of the embodiment in the first epiphysis portion of the invention；
Fig. 2 diagrammatically illustrates the structure chart of the embodiment in the second epiphysis portion of the invention；
Fig. 3 diagrammatically illustrates the structure chart that the second epiphysis portion of the invention is mounted in the first epiphysis portion；
Fig. 4 diagrammatically illustrates the structure chart after joint position calibrating installation of the invention is mounted on joint；And
Fig. 5 diagrammatically illustrates the knot of another angle after joint position calibrating installation of the invention is mounted on joint
Composition.
Wherein, the above drawings include the following reference numerals:
10, the first epiphysis portion；11, set casing；12, positioning column；13, convex beam is positioned；14, card slot；20, the second epiphysis portion；
21, calibration structure；22, main body；221, alignment surface；23, elastic card；231, clamping protrusion；30, the first bone to be calibrated；40,
Two bones to be calibrated.
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.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
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.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Term be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.
In addition, term " includes " and " having " and their any deformation, it is intended that covering non-exclusive includes example
Such as, the process, method, system, product or equipment for containing a series of steps or units those of are not necessarily limited to be clearly listed
Step or unit, but may include being not clearly listed or intrinsic for these process, methods, product or equipment other
Step or unit.
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 " above other devices or construction " or " in other devices if the device in attached drawing is squeezed
On part or construction " device after will be positioned as or " in other devices or constructing it " below other devices or construction "
Under ".Thus, exemplary term " in ... top " may include " in ... top " and " in ... lower section " two kinds of orientation.It should
Device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and opposite to space used herein above
Respective explanations are made in description.
Referring to figs. 1 to 5, the present invention provides a kind of joint position calibrating installation, the joint position calibrating installations
It include: the first epiphysis portion 10 and the second epiphysis portion 20, wherein the first epiphysis portion 10 is removably mounted on the first of joint to school
On quasi- bone 30；Second epiphysis portion 20 is removably mounted in the first epiphysis portion 10, and calibration knot is provided in the second epiphysis portion 20
Structure 21 is calibrated with the position of the second bone 40 to be calibrated to joint.When installation, staff is by 10 joint of the first epiphysis portion
The first bone 30 to be calibrated on, and the second epiphysis portion 20 is mounted in the first epiphysis portion 10, when work, first passes through the second epiphysis
Portion 20 finds its correct position for corresponding to the first epiphysis portion 10, then passes through the calibration structure 21 and second in the second epiphysis portion 20
Bone 40 to be calibrated is calibrated, and after calibration, can be crossed on the second bone 40 to be calibrated to determine the installation site of prosthese.Due to
Joint position calibrating installation of the invention includes the first epiphysis portion and the second epiphysis portion, and is provided in the second epiphysis portion to pass
When work, it is to be calibrated to be mounted on first by the calibration structure calibrated of position of the second bone to be calibrated of section for first epiphysis portion
On bone, then the second epiphysis portion is mounted on the first bone to be calibrated, after being installed, by calibration structure to the second bone to be calibrated
Position calibrated, to make to generate position association between the second bone to be calibrated and the first bone to be calibrated, so that first to school
Positioning between quasi- bone and the second bone to be calibrated is more accurate.
Wherein, the especially femur in this application of the first bone 30 to be calibrated in the present invention, in the present invention second to school
Quasi- bone 40 especially shin bone in this application.It should be noted that the femur and shin bone mentioned in the application are by existing
Prosthese installation the medical procedure femur and shin bone that were processed, the purpose is to facilitate staff to install and determine
, it is repeated no more in the application.
It is shown in Figure 1, specifically, the present invention in the first epiphysis portion 10 include set casing 11, set casing 11 it is interior
Holding tank is formed on wall, holding tank is adapted with the joint end of the first bone 30 to be calibrated.When installation, staff by first to
Calibration bone 30 is mounted in holding tank, and the first epiphysis portion 10 in the present invention is mounted on the first bone to be calibrated by set casing 11
On 30, while by holding tank compatible with the joint end of the first bone 30 to be calibrated, make the first epiphysis portion 10 first to school
The position of quasi- bone 30 is more accurate.
In order to keep the calibration of joint position calibrating installation of the invention more accurate, specially in order to make in the present invention
The installation site in one epiphysis portion 10 is more accurate, it is preferable that the first epiphysis portion 10 further includes positioning column 12, and the setting of positioning column 12 exists
In holding tank, positioning column 12 is removably threaded through in the joint end of the first bone 30 to be calibrated.When installation, staff sends out this
Positioning column 12 in bright is threaded through to be drilled on the first bone 30 to be calibrated of location hole in advance, when work, through the invention in determine
Position column 12 realizes the positioning in the first epiphysis portion 10.
In order to further increase the first epiphysis portion 10 installation site accuracy, it is preferable that the first bone 30 to be calibrated
Joint end is the distal end of femur, and the first epiphysis portion 10 further includes positioning convex beam 13, and positioning convex beam 13 is arranged in holding tank, positioning
Convex beam 13 is adapted with the fossa intercondyloidea of the distal end of femur.Wherein, the joint end of the first bone 30 to be calibrated is the distal end of femur, therewith
Corresponding, the joint end of the second bone 40 to be calibrated is the proximal end of shin bone.Fossa intercondyloidea is had among the condyle of femur of the distal end of femur,
It in existing condyle of femur processing, can also retain the general shape of its fossa intercondyloidea, carry out prosthese installation using its shape.When installation,
Staff is mounted on convex beam 13 is positioned in fossa intercondyloidea, and then keeps the installation site in the first epiphysis portion 10 more accurate, after being
Continuous calibration is laid a solid foundation.
In order to further increase the first epiphysis portion 10 installation site accuracy, it is preferable that the present invention in positioning column
12 is multiple, and multiple positioning columns 12 are that center line is arranged symmetrically using the length direction for positioning convex beam 13.It, will be in the present invention when installation
Multiple positioning columns 12 be mounted in the multiple location holes processed in advance, when work, pass through multiple positioning columns 12 and location hole
Cooperation further increase the installation accuracy in the first epiphysis portion 10.
Shown in Figure 2, specifically, the second epiphysis portion 20 in the present invention includes main body 22, and calibration structure 21 includes
Position mark groove, position mark groove are arranged on the outer wall of main body 22.The second epiphysis portion 20 in the present invention is mounted on
In first epiphysis portion, and the correct position on the second bone to be calibrated is found by position mark groove ancillary staff, and do
Lower label, to keep the positioning between the first bone to be calibrated and the second bone to be calibrated more accurate.Wherein, the calibration in the present invention
Structure 21 is not limited only to position mark groove, can also be the structures such as protrusion, or be position mark line, as long as can satisfy this
The structure of the calibration function of calibration structure 21 in invention.
In order to facilitate calibration, it is preferable that the side far from the first epiphysis portion 10 of main body 22 is provided with alignment surface 221, position
The length direction of tagging groove is vertical with alignment surface 221.When installation, by alignment surface peace corresponding with the second bone photo to be calibrated
Dress.
In order to occur to be subjected to displacement between the first epiphysis portion 10 and the second epiphysis portion 20 in the present invention, calibration accuracy is influenced,
Preferably, the second epiphysis portion 20 in the present invention further includes first connecting portion, and first connecting portion is arranged in main body 22, the first bone
The second connecting portion being detachably connected with first connecting portion is provided on end 10.When installation, by the second epiphysis portion 20
Second connecting portion in first connecting portion and the first epiphysis portion is connected, and is connected to the first epiphysis portion 10 with the second epiphysis portion 20
Together, displacement between the two is prevented, to be effectively guaranteed the calibration accuracy of relative position.
Specifically, the first connecting portion in the present invention is elastic card 23, and clamping protrusion is provided on elastic card 23
231, second connecting portion is and the raised 231 compatible card slots 14 of clamping.When installation, the elastic card 23 in the present invention is protruded into
To groove position, clamping protrusion 231 is set to be stuck in the inside of card slot 14, installation is simply, conveniently.
In order to rationally utilize space, it is preferred that the first epiphysis portion 10 in the present invention further includes having resigning groove, is stepped down recessed
The side far from the first bone 30 to be calibrated of positioning convex beam 13 is arranged in slot, and card slot 14 is arranged on the inner wall of resigning groove.
Below with reference to shown in Fig. 3 to Fig. 5, using the first bone to be calibrated as femur, the second bone to be calibrated is shin bone to the application
It elaborates, the first epiphysis portion 10 is removably mounted on the femur in joint；Second epiphysis portion 20 is removably mounted on
In first epiphysis portion 10, it is provided with calibration structure 21 in the second epiphysis portion 20, is calibrated with the position of the shin bone to joint.Peace
When dress, the second epiphysis portion 20 is mounted on the femur in 10 joint of the first epiphysis portion in the first epiphysis portion 10 by staff,
When work, the second epiphysis portion 20 that first passes through finds its correct position for corresponding to the first epiphysis portion 10, then passes through the second epiphysis portion
Calibration structure 21 on 20 is calibrated with the second bone 40 to be calibrated, after calibration, can cross on the second bone 40 to be calibrated with
Determine the installation site of prosthese.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Since joint position calibrating installation of the invention includes the first epiphysis portion and the second epiphysis portion, and in the second epiphysis portion
On be provided with the calibration structure calibrated to the position of second bone to be calibrated in joint, when work, the first epiphysis portion is installed
It is mounted on the first bone to be calibrated on the first bone to be calibrated, then by the second epiphysis portion, after being installed, passes through calibration structure pair
The position of second bone to be calibrated is calibrated, thus make to generate position association between the second bone to be calibrated and the first bone to be calibrated,
So that the positioning between the first bone to be calibrated and the second bone to be calibrated is more accurate.
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 (9)
1. a kind of joint position calibrating installation characterized by comprising
First epiphysis portion (10), first epiphysis portion (10) are removably mounted on first bone (30) to be calibrated in joint；
Second epiphysis portion (20), second epiphysis portion (20) is removably mounted in first epiphysis portion (10), described
Calibration structure (21) are provided in second epiphysis portion (20), school is carried out with the position of the second bone (40) to be calibrated to the joint
It is quasi-；
First epiphysis portion (10) includes:
Set casing (11), is formed with holding tank on the inner wall of the set casing (11), the holding tank and described first to be calibrated
The joint end of bone (30) is adapted.
2. joint position calibrating installation according to claim 1, which is characterized in that first epiphysis portion (10) is also wrapped
It includes:
Positioning column (12), the positioning column (12) are arranged in the holding tank, and the positioning column (12) is removably threaded through
In the joint end of first bone (30) to be calibrated.
3. joint position calibrating installation according to claim 2, which is characterized in that the pass of first bone (30) to be calibrated
Save the distal end that end is femur, first epiphysis portion (10) further include:
It positions convex beam (13), the positioning convex beam (13) is arranged in the holding tank, the positioning convex beam (13) and the stock
The fossa intercondyloidea of the distal end of bone is adapted.
4. joint position calibrating installation according to claim 3, which is characterized in that the positioning column (12) is multiple, institute
Multiple positioning columns (12) are stated to be symmetrical arranged using the length direction of positioning convex beam (13) as center line.
5. joint position calibrating installation according to claim 3, which is characterized in that second epiphysis portion (20) includes master
Body (22), the calibration structure (21) includes position mark groove, and the position mark groove is arranged in the main body (22)
On outer wall.
6. joint position calibrating installation according to claim 5, which is characterized in that the main body (22) far from described the
The side in one epiphysis portion (10) is provided with alignment surface (221), the length direction of the position mark groove and the alignment surface
(221) vertical.
7. joint position calibrating installation according to claim 6, which is characterized in that second epiphysis portion (20) further includes
First connecting portion, the first connecting portion are arranged on the main body (22), are provided in first epiphysis portion (10) and institute
State the second connecting portion that first connecting portion is detachably connected.
8. joint position calibrating installation according to claim 7, which is characterized in that the first connecting portion is elastic card
(23), it is raised (231) that clamping is provided on the elastic card (23), the second connecting portion is and the clamping protrusion
(231) compatible card slot (14).
9. joint position calibrating installation according to claim 8, which is characterized in that first epiphysis portion (10) further includes
There are resigning groove, one far from described first to be calibrated bone (30) of the resigning groove setting in positioning convex beam (13)
Side, the card slot (14) are arranged on the inner wall of the resigning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265839.3A CN106726023B (en) | 2016-12-30 | 2016-12-30 | Joint position calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265839.3A CN106726023B (en) | 2016-12-30 | 2016-12-30 | Joint position calibrating installation |
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| Publication Number | Publication Date |
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| CN106726023A CN106726023A (en) | 2017-05-31 |
| CN106726023B true CN106726023B (en) | 2019-09-20 |
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| CN201611265839.3A Active CN106726023B (en) | 2016-12-30 | 2016-12-30 | Joint position calibrating installation |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431659A (en) * | 2018-12-17 | 2019-03-08 | 北京爱康宜诚医疗器材有限公司 | Patellar prosthesis |
| CN112258478A (en) * | 2020-10-22 | 2021-01-22 | 北京柏惠维康科技有限公司 | Data processing method and pose precision verification system |
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| CN103118633A (en) * | 2010-09-10 | 2013-05-22 | 捷迈有限责任公司 | Femoral prothesis with medialized patellar groove |
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