CN109316267A - A kind of hip replacement surgery femoral head examination film tool - Google Patents
A kind of hip replacement surgery femoral head examination film tool Download PDFInfo
- Publication number
- CN109316267A CN109316267A CN201811515427.XA CN201811515427A CN109316267A CN 109316267 A CN109316267 A CN 109316267A CN 201811515427 A CN201811515427 A CN 201811515427A CN 109316267 A CN109316267 A CN 109316267A
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- China
- Prior art keywords
- bulb
- replacement surgery
- hip replacement
- film tool
- femoral head
- Prior art date
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- Granted
Links
- 238000011540 hip replacement Methods 0.000 title claims abstract description 23
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 23
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 17
- 241001149930 Protura <class> Species 0.000 claims abstract description 13
- 239000011796 hollow space material Substances 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 206010024769 Local reaction Diseases 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 210000001624 hip Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000001694 thigh bone Anatomy 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- A61F2/4684—Trial or dummy prostheses
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- 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
- A61F2/4657—Measuring instruments used for implanting artificial joints
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physical Education & Sports Medicine (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of hip replacement surgery femorals head to try film tool, comprising: bulb, for spherical shape, inside has spherical hollow space, and the bulb bottom has cylindrical hole, and the main sequence stars sky is connected to the spherical hollow space, and has internal screw thread；Conical head bolt with external screw thread, and can screw in the cylindrical hole, and described taper bolt one end has perforative bellmouth, can carry out cone cooperation with the conehead of type femoral bone end prosthesis；Elastomeric support column, one end is detachably arranged at the top of the bulb, the other end is resiliently supported at the other end of conical head bolt, the present invention has designed and developed a kind of hip replacement surgery femoral head examination film tool, conical head bolt is with bulb using being threadedly coupled, and the distance between adjustable conical head bolt and bulb, i.e., the conehead of adjusting type femoral bone end prosthesis is at a distance from the bulb centre of sphere, it can provide a variety of eccentricities, instead of the function of multiple femoral head die trials.
Description
Technical field
The present invention relates to a kind of hip replacement surgery tool more particularly to a kind of hip replacement surgery femorals head
Try film tool.
Background technique
Under the identical sphere diameter of currently marketed femoral head die trial, according to change of the inner surface apertures at a distance from the femoral head centre of sphere
Change is divided into multiple specifications, such as 0 ,+2 ,+4, -2, -4 etc..In order to adjust eccentricity between the femoral head centre of sphere and femoral stem and
Neck length, taper hole inside femoral head prosthesis can be changed, and at a distance from the centre of sphere, the femoral head that this way will cause same diameter will be done
The prosthese of many specifications, correspondingly, femoral head die trial will also have multiple specifications to be allowed to correspond with prosthese.Multiple specifications
Will cause manufacturer stock it is cumbersome, operation consent hospital needs to prepare multiple die trials and is cleaned and sterilized, shared by multiple die trials
Space it is larger, doctor's using trouble during operation.
Summary of the invention
The present invention has designed and developed a kind of hip replacement surgery femoral head examination film tool, and conical head bolt and bulb use
It is threadedly coupled, the distance between adjustable conical head bolt and bulb, i.e. the conehead of adjusting type femoral bone end prosthesis and the bulb centre of sphere
Distance, it is possible to provide a variety of eccentricities, instead of the function of multiple femoral head die trials.
Technical solution provided by the invention are as follows:
A kind of hip replacement surgery femoral head examination film tool, comprising:
Bulb, for spherical shape, inside has spherical hollow space, and the bulb bottom has cylindrical hole, the cylindrical hole connection
The spherical hollow space, and there is internal screw thread；
Conical head bolt with external screw thread, and can screw in the cylindrical hole, and described conical head bolt one end, which has, to be run through
Bellmouth, can be cooperated with the conehead of type femoral bone end prosthesis；
Elastomeric support column, one end are detachably arranged at the top of the bulb, and the other end is resiliently supported at conical head bolt
The other end.
Preferably, there is stepped hole at the top of the bulb.
Preferably, further include plug, be arranged in the stepped hole.
Preferably, the elastomeric support column includes:
Spring is arranged in the stepped hole, and the spring one end is detachably connected the plug；
Ejector pin is arranged in the stepped hole, and described ejector pin one end is detachably connected the spring other end.
Preferably, the conical head bolt other end has annular groove, the multiple spacing balls of annular groove equidistantly distributed
Nest, the ejector pin can be slided along the annular groove, and can fall into the limit ball-and-socket, formed and fixed.
Preferably, the bulb side has scale plane.
Preferably, the ejector pin is ladder cylindricality, and the ejector pin other end is hemispherical.
Preferably, the plug is ladder cylindricality.
It preferably, further include ring-shaped handle, conical head bolt one end described in the integrally connected of inside.
Preferably, there is waveform decorative pattern on the outside of the ring-shaped handle.
Beneficial effect of the present invention
The present invention has designed and developed a kind of hip replacement surgery femoral head examination film tool, and conical head bolt and bulb use
It is threadedly coupled, the distance between adjustable conical head bolt and bulb, i.e. the conehead of adjusting type femoral bone end prosthesis and the bulb centre of sphere
Distance, it is possible to provide a variety of eccentricities reduce stock and the inventory of manufacturer instead of the function of multiple femoral head die trials, reduce
Space shared by tool on operating table has been saved in the cleaning of hospital, sterilizing works, and doctor's use is more convenient, artificial coxa
The type in joint and design are mainly the diameter of femoral head and the design with the acetabular bone face of bone fixation, and the present invention selects alloy or not
Rust steel material, head mortar friction is small, and artificial mortar is stablized, and local reaction is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that hip replacement surgery femoral head of the present invention tries film tool.
Fig. 2 is the structural schematic diagram of the invention bulb.
Fig. 3 is the bottom substance schematic diagram of bulb of the present invention.
Fig. 4 is the structural schematic diagram of conical head bolt of the present invention.
Fig. 5 is the bottom substance schematic diagram of conical head bolt of the present invention.
Fig. 6 is the structural schematic diagram of elastomeric support column of the present invention.
Fig. 7 is the fit structure schematic diagram of conical head bolt of the present invention and elastomeric support column.
Fig. 8 is the structural schematic diagram of plug of the present invention.
Fig. 9 is the structural schematic diagram of ejector pin of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Figure 1, hip replacement surgery provided by the invention tries film tool with femoral head, comprising: bulb 100, cone
Hook bolt 200 and elastomeric support column 300.
As in Figure 2-4, bulb 100 is spherical shape, and inside has spherical hollow space, and 100 bottom of bulb has cylindrical hole 110,
Cylindrical hole is connected to spherical hollow space, and cylindrical hole 110 has internal screw thread；Conical head bolt 200 has external screw thread, and can screw in cylindricality
In hole 110,200 one end of taper bolt has perforative bellmouth 211, can carry out cone cooperation with the conehead of type femoral bone end prosthesis；
300 one end of elastomeric support column is detachably arranged at the top of bulb 100, and the other end is resiliently supported at the another of conical head bolt 200
End screws in bulb in use, taper bolt 200 is screwed in the cylindrical hole 110 of bulb 100 by adjusting taper bolt 200
100 depth, to adjust the conehead for adjusting type femoral bone end prosthesis at a distance from the bulb centre of sphere.
As seen in figs. 5-6, there is stepped hole 102 at the top of bulb 100.Plug 310 is stairstepping, is arranged in stepped hole.
Elastomeric support column 300 includes: spring 320 and ejector pin 330.Spring 320 is arranged in stepped hole, and spring one end is detachably connected stifled
First 310；Ejector pin 330 is arranged in stepped hole, and 330 one end of ejector pin is detachably connected 320 other end of spring.Conical head bolt 200 is another
One end has annular groove 201, and the multiple limit ball-and-sockets 202 of 201 equidistantly distributed of annular groove, ejector pin 330 can be along annular groove
201 slidings, and can fall into limit ball-and-socket 202, it is formed and is fixed.As a preference, the quantity of limit ball-and-socket 202 is 3-
4, in use, spring 320 and ejector pin 330 are put into the stepped hole of bulb, taper bolt 200 screws in the cylindricality of bulb 100
In hole 110, in rotary course, 330 push the spring 320 of ejector pin compression, ejector pin 330 is rotated along annular groove 201, when ejector pin 330 is fallen into
Enter to limit in ball-and-socket 202, is formed and fixed.
As Figure 7-9, in another embodiment, bulb 100 is spherical shape, and inside has spherical hollow space, 100 bottom of bulb
With cylindrical hole 110, cylindrical hole 110 is connected to spherical hollow space, and cylindrical hole 110 has internal screw thread, and 100 side of bulb is plane, and
With perforative elongated slot 101, elongated slot both ends have scale plane, and the depth of bulb 100 is screwed in by adjusting taper bolt 200,
Come adjust adjust type femoral bone end prosthesis conehead with the bulb centre of sphere at a distance from, scale mark conical head bolt 200 screw-in bulb 100 depth
Degree, and then obtain prosthese specification.
In another embodiment, ejector pin 330 is ladder cylindricality, and the ejector pin other end is that hemispherical and annular groove 201 match
It closes.As a preference, plug 310 is ladder cylindricality.
In another embodiment, bulb 100 is screwed in for convenience of taper bolt 200, further includes ring-shaped handle 210, inside
The screw terminal of integrally connected conical head bolt 200, to prevent that there is waveform decorative pattern on the outside of screw-in process skidding ring-shaped handle.Bulb
The stepped hole and plug of 100 tops cooperate.Stepped hole and ejector pin 330 and spring 320 inside bulb 100 cooperate.Inside bulb
Threaded hole and conical head bolt 200 outer surface thread cooperate.Ejector pin 330 axially moves in the inner hole of bulb, spring 320
Give ejector pin reaction force.Conical head bolt 200 is risen by being threadedly engaged rotation, annular groove of the ejector pin 330 at 200 top of conical head bolt
Movement in 201, until falling into 202 nest of ball.
As a preference, bulb 100, conical head bolt 200 and elastomeric support column 300 select stainless steel material or titanium to close
Golden material, the type of artificial full-hip joint and designs more, mainly the diameter of femoral head and sets with the acetabular bone face of bone fixation
Meter.Thicker acetabular bone, the full hip of the relatively small artificial thigh bone composition of diameter, the present invention select alloy or stainless steel material, head
Mortar friction is small, and artificial mortar is stablized, and local reaction is small.
Implement to be described further so that hip replacement surgery tries the practical process of film tool with femoral head as an example
The ring-shaped handle 210 of conical head bolt 200 is rotated clockwise, the rotation of conical head bolt 200 rises, and ejector pin 330 is in conehead
It is moved in the annular groove 201 at 200 top of bolt, until entering the ball-and-socket 202 at 200 top of conical head bolt, to the formation of conical head bolt 200
Locking, 200 inside taper hole of conical head bolt reduces at a distance from the bulb centre of sphere at this time, and 200 end plane of observable conical head bolt refers to
Reduced distance is judged to the scale of bulb.
The ring-shaped handle 210 of conical head bolt 200 is rotated counterclockwise, the rotation decline of conical head bolt 200, ejector pin 330 is in conehead
It is moved in the annular groove 201 at 200 top of bolt, until entering the ball-and-socket 202 at 200 top of conical head bolt, to the formation of conical head bolt 200
Locking, 200 inside taper hole of conical head bolt increases at a distance from the bulb centre of sphere at this time, and 200 end plane of observable conical head bolt refers to
The distance increased is judged to the scale of bulb.
The present invention has designed and developed a kind of hip replacement surgery femoral head examination film tool, and conical head bolt and bulb use
It is threadedly coupled, the distance between adjustable conical head bolt and bulb, i.e. the conehead of adjusting type femoral bone end prosthesis and the bulb centre of sphere
Distance, it is possible to provide a variety of eccentricities reduce stock and the inventory of manufacturer instead of the function of multiple femoral head die trials, reduce
Space shared by tool on operating table has been saved in the cleaning of hospital, sterilizing works, and doctor's use is more convenient, artificial coxa
The type in joint and design are mainly the diameter of femoral head and the design with the acetabular bone face of bone fixation, and the present invention selects alloy or not
Rust steel material, head mortar friction is small, and artificial mortar is stablized, and local reaction is small.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of hip replacement surgery tries film tool with femoral head characterized by comprising
Bulb, for spherical shape, inside has a spherical hollow space, and the bulb bottom has a cylindrical hole, described in cylindrical hole connection
Spherical hollow space, and there is internal screw thread；
Conical head bolt with external screw thread, and can screw in the cylindrical hole, and described conical head bolt one end has perforative cone
Shape hole can be cooperated with the conehead of type femoral bone end prosthesis；
Elastomeric support column, one end are detachably arranged at the top of the bulb, and the other end is resiliently supported at the another of conical head bolt
End.
2. hip replacement surgery according to claim 1 tries film tool with femoral head, which is characterized in that the bulb top
Portion has stepped hole.
3. hip replacement surgery according to claim 2 tries film tool with femoral head, which is characterized in that further include blocking up
Head is arranged in the stepped hole.
4. hip replacement surgery according to claim 3 tries film tool with femoral head, which is characterized in that the elasticity branch
Dagger includes:
Spring is arranged in the stepped hole, and the spring one end is detachably connected the plug；
Ejector pin is arranged in the stepped hole, and described ejector pin one end is detachably connected the spring other end.
5. hip replacement surgery according to claim 4 tries film tool with femoral head, which is characterized in that the conehead spiral shell
The bolt other end has annular groove, and the multiple limit ball-and-sockets of annular groove equidistantly distributed, the ejector pin can be along the annular groove
Sliding, and the limit ball-and-socket can be fallen into, it is formed and is fixed.
6. hip replacement surgery according to claim 5 tries film tool with femoral head, which is characterized in that the bulb side
Face has scale plane.
7. hip replacement surgery according to claim 6 tries film tool with femoral head, which is characterized in that the ejector pin is
Ladder cylindricality, the ejector pin other end are hemispherical.
8. hip replacement surgery according to claim 3 tries film tool with femoral head, which is characterized in that the plug is
Ladder cylindricality.
9. hip replacement surgery described in any one of -4 and 6-8 tries film tool, feature with femoral head according to claim 1
It is, further includes ring-shaped handle, conical head bolt one end described in the integrally connected of inside.
10. hip replacement surgery according to claim 9 tries film tool with femoral head, which is characterized in that the annular
There is waveform decorative pattern on the outside of handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515427.XA CN109316267B (en) | 2018-12-12 | 2018-12-12 | Femoral head membrane testing tool for hip joint replacement operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515427.XA CN109316267B (en) | 2018-12-12 | 2018-12-12 | Femoral head membrane testing tool for hip joint replacement operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109316267A true CN109316267A (en) | 2019-02-12 |
| CN109316267B CN109316267B (en) | 2024-02-02 |
Family
ID=65256830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515427.XA Active CN109316267B (en) | 2018-12-12 | 2018-12-12 | Femoral head membrane testing tool for hip joint replacement operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109316267B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022455A (en) * | 2020-08-27 | 2020-12-04 | 北京市春立正达医疗器械股份有限公司 | Split type femoral head prosthesis test head |
| CN112370221A (en) * | 2020-10-26 | 2021-02-19 | 天衍医疗器材有限公司 | Lumbar vertebra centrum examination mould tool system |
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| CN205816856U (en) * | 2016-06-28 | 2016-12-21 | 衢州职业技术学院 | A kind of Wedge-type multiple operation general automation fixture |
| CN206844312U (en) * | 2017-05-06 | 2018-01-05 | 深圳艺洲建筑工程设计有限公司 | A kind of bolt sphere grid joint |
| CN107137164A (en) * | 2017-06-01 | 2017-09-08 | 成都贝施美医疗设备有限公司 | A kind of artificial hip prosthesis |
| CN107198595A (en) * | 2017-06-01 | 2017-09-26 | 成都贝施美生物科技有限公司 | The hip prosthesis that a kind of anti-acetabular bone comes off |
| CN108969152A (en) * | 2018-09-06 | 2018-12-11 | 北京安颂科技有限公司 | A kind of acetabular component and artificial hip joint |
| CN209437433U (en) * | 2018-12-12 | 2019-09-27 | 北京四正医疗器械有限责任公司 | A kind of hip replacement surgery femoral head examination film tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112022455A (en) * | 2020-08-27 | 2020-12-04 | 北京市春立正达医疗器械股份有限公司 | Split type femoral head prosthesis test head |
| CN112370221A (en) * | 2020-10-26 | 2021-02-19 | 天衍医疗器材有限公司 | Lumbar vertebra centrum examination mould tool system |
| CN112370221B (en) * | 2020-10-26 | 2022-09-30 | 天衍医疗器材有限公司 | Lumbar vertebra centrum examination mould tool system |
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