CN110192939A - The locating apparatus of toy acetabular cup - Google Patents
The locating apparatus of toy acetabular cup Download PDFInfo
- Publication number
- CN110192939A CN110192939A CN201910609973.8A CN201910609973A CN110192939A CN 110192939 A CN110192939 A CN 110192939A CN 201910609973 A CN201910609973 A CN 201910609973A CN 110192939 A CN110192939 A CN 110192939A
- Authority
- CN
- China
- Prior art keywords
- acetabular cup
- shaft
- toy
- bar
- locating apparatus
- 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
- 210000004197 pelvis Anatomy 0.000 claims abstract description 8
- 230000003447 ipsilateral effect Effects 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 abstract description 18
- 210000001549 wing of ilium Anatomy 0.000 description 5
- 210000001624 hip Anatomy 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 210000002391 femur head Anatomy 0.000 description 2
- 210000004394 hip joint Anatomy 0.000 description 2
- 238000011540 hip replacement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010028851 Necrosis Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003692 ilium Anatomy 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000008961 swelling Effects 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
- A61F2/46—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
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4609—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of acetabular cups
-
- 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
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
-
- 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
Abstract
It includes shaft that the locating apparatus of the toy acetabular cup of acetabular cup positioning, which can quick and precisely be carried out, the object of the present invention is to provide one kind, one end of shaft is provided with the pressure head for compressing acetabular cup, at least provided with a vision guide part on the shaft of shaft, at least one anatomic landmark of the vision guide part towards pelvis generates vision guide.Acetabular cup is covered on pressure head with specific posture first, the two is attached together to adjust the gradient and head trim of acetabular cup in shaft, after the gradient of acetabular cup and head trim are adjusted in place by the guidance of vision guide part, pressure head compresses acetabular cup and keeps the posture for a period of time, after acetabular cup fastening be connected in acetabular bone after, firmly overcome expanding force to take out pressure head from acetabular cup；Due to the guiding function of vision guide part, the gradient and head trim of acetabular cup, the convenient, fast and accurate positioning for realizing acetabular cup can be easily adjusted.
Description
Technical field
The present invention relates to toy orthopedic medical devices, and in particular to a kind of hip in toy hip replacement
The locating apparatus of mortar cup.
Background technique
The hip joint of toy (such as dog, cat) is the important joint for connecting hind leg, backbone trunk, it is by femur
Head, acetabular bone, ligament composition.Caput femoris necrosis, Osteoarthritis, congenital or hip joint posteriority occur de- for some
For the toys of illnesss such as position, complete/hemiarthroplasty is its preferred treatment method.In hip replacement surgery, acetabular bone
The effect good for implantation piece performance of the accurate placement of cup is most important to generate successful clinical effectiveness, if acetabular cup
Malposition then will lead to risk increase, the premature abrasion of bearing surface and local tumor sample inflammation of dislocation etc..
By the inclination of the equatorial plane of cup and restriction of leaning forward when the positioning of acetabular cup, for toy, cup it is red
The angle between line in road plane and pelvis between the line or two alaossisiliis of two ischial tuberositys is 45 °, but
In surgical procedure, it is seen that thing it is limited, along with the acetabular cup size of toy is smaller, caused very if tilting some chances
Big angular deviation, so doctor often depends upon by estimation mode the position and inclination angle for determining be implanted into acetabular cup
Degree, result is easy to be influenced by subjective factor, also closely related with patient's experience.The insufficient patient of experience performs the operation
When, it is easy to cause acetabular cup beyond security standpoint range, lacks simple and easy-to-use quantitative measurment tool at present to determine hip in art
The riding position and angle of mortar cup.
Summary of the invention
The object of the present invention is to provide one kind can quick and precisely carry out determining for the toy acetabular cup of acetabular cup positioning
Position instrument.
To achieve the goals above, the technical solution adopted by the present invention are as follows: a kind of locating apparatus of toy acetabular cup,
Including shaft, one end of shaft is provided with the pressure head for compressing acetabular cup, at least provided with a vision on the shaft of shaft
At least one anatomic landmark of guiding piece, the vision guide part towards pelvis generates vision guide.
In above scheme, acetabular cup is covered on pressure head with specific posture first, the two is attached together in axis
Bar adjusts the gradient and head trim of acetabular cup, by the guidance of vision guide part by the gradient of acetabular cup and head trim tune
It is whole in place after, pressure head compress acetabular cup simultaneously keep the posture for a period of time, after acetabular cup fastening be connected in acetabular bone after, use
Power overcomes expanding force to take out pressure head from acetabular cup；Due to the guiding function of vision guide part, acetabular bone can be easily adjusted
The gradient and head trim of cup, the convenient, fast and accurate positioning for realizing acetabular cup.
Detailed description of the invention
Fig. 1 is the schematic perspective view of locating apparatus；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the perspective view of shaft；
Fig. 5 is the perspective view of straight-bar；
Fig. 6 is the perspective view for calibrating cap；
Fig. 7 is the perspective view of handle.
Specific embodiment
For convenience of explanation, first we will the pelvis to acetabular cup and its toy simply introduced: acetabular cup exists
Orientation in acetabular bone has gradient and head trim, for the toy of cat and dog etc, needs to put in pelvis before operation
Just, i.e., the line between two ischial tuberositys or the line between two alaossisilii tops are located at vertical direction, and acetabular bone is outer at this time
The angle between face and horizontal plane where edge is known as gradient, usually 45 °, the ischial tuberosity of the same side and alaossisilii top it
Between line projection in the horizontal plane and acetabular bone two flanges between line projection in the horizontal plane between angle
Referred to as head trim, usually 20 ° (value of the gradient of each toy and head trim with not exactly the same, but all basic one
It causes).
A kind of locating apparatus of toy acetabular cup, including shaft 10, one end of shaft 10 are provided with for compressing hip
The pressure head 11 of mortar cup, at least provided with a vision guide part on the shaft of shaft 10, the vision guide part towards pelvis extremely
A few anatomic landmark generates vision guide.Acetabular cup is covered on pressure head 11 with specific posture first, acetabular cup is not
When by external force, 11 swelling acetabular cup of pressure head, the two be attached together in shaft 10 come adjust acetabular cup gradient and before
Inclination, after being adjusted in place the gradient of acetabular cup and head trim by the guidance of vision guide part, pressure head 11 compresses acetabular bone
Cup simultaneously keeps the posture for a period of time, so that the bone cement solidification filled in acetabular bone, is connected to what acetabular cup fastened in acetabular bone,
This when suffers since acetabular cup is already fixed to acetabular bone, and expanding force is firmly overcome to take out pressure head 11 from acetabular cup.By
In the guiding function of vision guide part, the gradient and head trim of acetabular cup can be easily adjusted, it is convenient, fast and accurate
Realize the positioning of acetabular cup.
Specifically, the vision guide part includes straight-bar 20, the bar length direction angle α of straight-bar 20 and shaft 10 is 45 °,
One end of straight-bar 20 is connected with shaft 10, the other end is provided with the calibration cap 30 for calibrating acetabular cup head trim.It, will when operation
Acetabular cup is put into after acetabular bone, and straight-bar 20 is adjusted to by we, and bar core is in a vertical state, due to the bar of straight-bar 20 and shaft 10
Length direction angle α is 45 °, so the angle of shaft 10 and horizontal plane is 45 degree at this time, that is to say, where the outer rim of acetabular bone
Face and horizontal plane between angle to be known as gradient be 45 °, Slope angle adjustment in place, is then calibrated according to calibration cap 30
Acetabular cup head trim.
As a preferred solution of the present invention, calibration cap 30 includes sleeve 31 of the opening towards straight-bar 20, the inner cavity of sleeve 31
Section is non-round shape, and the limit that the non-circular outer diameter of non-round shape sleeve 31 and straight-bar 20 constitutes circumferencial direction cooperates, the cylinder of sleeve 31
It is provided with indicating arm 32 on wall, the projection in the horizontal plane of indicating arm 32 and shaft 10 are between the projection where cylinder bottom in face
Angle β is 70 °.It is seen from above when straight-bar 20 is in a vertical state, the ischial tuberosity and ilium of indicating arm 32 and the same side
When line between wing top is parallel, illustrate that acetabular cup head trim is 20 °.
Due to there is left and right acetabular bone on pelvis, in order to increase the versatility of the locating apparatus, indicating arm 32 is in cylinder
The axially spaced-apart of wall is provided with four, and two opposite indicating arms 32 collinearly constitute visually indicating for the same side acetabular cup, no
Angle δ between the ipsilateral indicating arm 32 visually indicated is 40 °.Wherein two conllinear indicating arms 32 and left side ischial tuberosity and
Line between alaossisilii top is parallel, in addition the company between two conllinear indicating arms 32 and right side ischial tuberosity and alaossisilii top
Line is parallel, can mark left and right, on indicating arm in order to observe.
For the ease of hand gripping, the one end of shaft 10 far from pressure head 11 is detachable, is coaxially connected with handle 40, handle 40
Middle section be provided with oblique cutting hole 41, one end of straight-bar 20 is inserted in oblique cutting hole 41 and constitutes detachable connection.It is this removable
The structure unloaded also helps storage.
Further, pressure head 11 and straight-bar 20 are placed in the two sides in face where 10 central spindle of shaft, and the pressure head 11 includes
The bottom plate 11a being directly connected with shaft 10, bottom plate 11a far from 10 end of shaft a side be equipped with inclined plate 11b, bottom plate 11a with
Angle γ between inclined plate 11b is 135 °, is provided with hemisphere 11c, the size of hemisphere 11c and the size of acetabular cup on bottom plate 11a
It coincide.Hemisphere 11c, which is placed in acetabular cup, constitutes fixed and releasable connection, and inclined plate 11b can be with acetabular bone against being conducive to angle
Control.
Further, in order to prevent inclined plate 11b and acetabular bone against when, acetabular bone is caused to damage, bottom plate 11a and inclined plate 11b
Outer rim be round and smooth semicircle.
It exerts oneself for the ease of hand, the section of the middle section shaft of shaft 10 is non-round shape, is installed with gear ring 12, shaft on shaft
10 ends cooperated with handle 40 are provided with positioning pin 13 and retaining ring 14, and positioning pin 13 is inserted into the locating slot of 40 end of handle setting
Axial limiting cooperation is constituted in 42, retaining ring 14 and 40 end of handle constitute axial limiting cooperation.This structure dismounting is all very convenient,
And good storage.
Claims (8)
1. a kind of locating apparatus of toy acetabular cup, it is characterised in that: including shaft (10), one end of shaft (10) is arranged
There is a pressure head (11) for compressing acetabular cup, at least provided with a vision guide part on the shaft of shaft (10), which draws
At least one anatomic landmark of guiding element towards pelvis generates vision guide.
2. the locating apparatus of toy acetabular cup according to claim 1, it is characterised in that: the vision guide part
Including straight-bar (20), the bar length direction angle α of straight-bar (20) and shaft (10) is 45 °, one end and shaft (10) of straight-bar (20)
It is connected, the other end is provided with the calibration cap (30) for calibrating acetabular cup head trim.
3. the locating apparatus of toy acetabular cup according to claim 2, it is characterised in that: calibration cap (30) includes opening
Mouthful towards straight-bar (20) sleeve (31), the intracavity section of sleeve (31) is non-round shape, non-round shape sleeve (31) and straight-bar (20)
Non-circular outer diameter constitute the limit cooperation of circumferencial direction, be provided with indicating arm (32) on the barrel of sleeve (31), indicating arm (32)
The angle β of projection and shaft (10) between the projection where cylinder bottom in face in the horizontal plane is 70 °.
4. the locating apparatus of toy acetabular cup according to claim 3, it is characterised in that: indicating arm (32) is in barrel
Axially spaced-apart be provided with four, and two opposite indicating arms (32) collinearly constitute visually indicating for the same side acetabular cup, no
Angle δ between the ipsilateral indicating arm (32) visually indicated is 40 °.
5. the locating apparatus of toy acetabular cup according to claim 2 or 3, it is characterised in that: shaft (10) is separate
One end of pressure head (11) is detachable, is coaxially connected with handle (40), and the middle section of handle (40) is provided with oblique cutting hole (41), straight-bar
(20) one end is inserted in oblique cutting hole (41) and constitutes detachable connection.
6. the locating apparatus of toy acetabular cup according to claim 1, it is characterised in that: pressure head (11) and straight-bar
(20) two sides in face where shaft (10) central spindle that is placed in, the pressure head (11) include the bottom plate being directly connected with shaft (10)
(11a), bottom plate (11a) is equipped with inclined plate (11b) far from a side of shaft (10) end, between bottom plate (11a) and inclined plate (11b)
Angle γ be 135 °, be provided with hemisphere (11c) on bottom plate (11a), the size of hemisphere (11c) and the size of acetabular cup are coincide.
7. the locating apparatus of toy acetabular cup according to claim 6, it is characterised in that: bottom plate (11a) and inclined plate
The outer rim of (11b) is round and smooth semicircle.
8. the locating apparatus of toy acetabular cup according to claim 5, it is characterised in that: the middle section bar of shaft (10)
The section of body is non-round shape, is installed with gear ring (12) on shaft, and the end of shaft (10) and handle (40) cooperation is provided with positioning
(13) and retaining ring (14) are sold, axial limiting is constituted in the locating slot (42) of positioning pin (13) insertion handle (40) end setting and matches
It closes, retaining ring (14) and handle (40) end constitute axial limiting cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609973.8A CN110192939A (en) | 2019-07-08 | 2019-07-08 | The locating apparatus of toy acetabular cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609973.8A CN110192939A (en) | 2019-07-08 | 2019-07-08 | The locating apparatus of toy acetabular cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110192939A true CN110192939A (en) | 2019-09-03 |
Family
ID=67755787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910609973.8A Pending CN110192939A (en) | 2019-07-08 | 2019-07-08 | The locating apparatus of toy acetabular cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110192939A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134841A (en) * | 2020-01-08 | 2020-05-12 | 北京天智航医疗科技股份有限公司 | Method and tool for registering pelvis in hip replacement |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103705317A (en) * | 2013-12-27 | 2014-04-09 | 北京爱康宜诚医疗器材股份有限公司 | Matched stack type acetabulum prosthesis |
| CN104244860A (en) * | 2011-09-29 | 2014-12-24 | 阿思罗美达公司 | System and method for precise prosthesis positioning in hip arthroplasty |
| CN105559951A (en) * | 2016-03-01 | 2016-05-11 | 上海昕健医疗技术有限公司 | Customized acetabulum guide plate |
| CN106535829A (en) * | 2014-07-08 | 2017-03-22 | 扎菲尔·特曼尼尼 | Acetabular cup positioning device and method thereof |
| GB201810484D0 (en) * | 2018-06-26 | 2018-08-08 | Smith & Nephew Orthopaedics Ag | Acetabular implant alignment devices and methods |
| CN208598497U (en) * | 2018-03-22 | 2019-03-15 | 中国人民解放军总医院 | A kind of acetabular anteversion positioning device |
-
2019
- 2019-07-08 CN CN201910609973.8A patent/CN110192939A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104244860A (en) * | 2011-09-29 | 2014-12-24 | 阿思罗美达公司 | System and method for precise prosthesis positioning in hip arthroplasty |
| CN103705317A (en) * | 2013-12-27 | 2014-04-09 | 北京爱康宜诚医疗器材股份有限公司 | Matched stack type acetabulum prosthesis |
| CN106535829A (en) * | 2014-07-08 | 2017-03-22 | 扎菲尔·特曼尼尼 | Acetabular cup positioning device and method thereof |
| CN105559951A (en) * | 2016-03-01 | 2016-05-11 | 上海昕健医疗技术有限公司 | Customized acetabulum guide plate |
| CN208598497U (en) * | 2018-03-22 | 2019-03-15 | 中国人民解放军总医院 | A kind of acetabular anteversion positioning device |
| GB201810484D0 (en) * | 2018-06-26 | 2018-08-08 | Smith & Nephew Orthopaedics Ag | Acetabular implant alignment devices and methods |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134841A (en) * | 2020-01-08 | 2020-05-12 | 北京天智航医疗科技股份有限公司 | Method and tool for registering pelvis in hip replacement |
| CN111134841B (en) * | 2020-01-08 | 2022-04-22 | 北京天智航医疗科技股份有限公司 | Method and tool for registering pelvis in hip replacement |
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