CN109925044A - Automatic expansion type bone grafting instrument - Google Patents
Automatic expansion type bone grafting instrument Download PDFInfo
- Publication number
- CN109925044A CN109925044A CN201910353898.3A CN201910353898A CN109925044A CN 109925044 A CN109925044 A CN 109925044A CN 201910353898 A CN201910353898 A CN 201910353898A CN 109925044 A CN109925044 A CN 109925044A
- Authority
- CN
- China
- Prior art keywords
- mandril
- sleeve
- spring
- bone grafting
- positioning pin
- 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
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 17
- 238000001356 surgical procedure Methods 0.000 abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000037314 wound repair Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The invention discloses automatic expansion type bone grafting instruments, it includes a sleeve and strike housing, inserted with a mandril in sleeve, the tabletting that can be stretched out and be unfolded from sleeve top opening in petal-shaped plane is separately installed with uniformly distributed torsional spring on mandril top periphery, close to top in being equipped with a spring stop in sleeve on mandril, spring is cased on the mandril below spring stop, it is fixed with the spring-support plate being threadedly coupled with mandril on the corresponding sleeve lining of spring bottom, sets a steering positioning pin in mandril upper bush and strike housing junction.Rotational angle of the positioning pin in strike housing is limited in a width of blade.The present invention can not only greatly reduce the wound of bone surgery, and realize minimally invasiveization of bone surgery, have the advantages that easy to operate, time saving and energy saving, safe and effective, applied widely.
Description
Technical field
The present invention relates to medical apparatus, especially a kind of to be suitable for the orthopaedics reduction of the fracture, bone grafting operation and other minimally invasive hands
The automatic expansion type bone grafting instrument used when art.
Background technique
Existing bone grafting instrument, head area be it is fixed, cannot be shunk automatic Zhang great He in the entrance surface of a wound, carry out hand
When art resets, wound area is larger, is unfavorable for the smooth reparation in the reparation and operation of the fracture region surface of a wound to articular surface, gives patient
It causes suffering.
Summary of the invention
The object of the present invention is to provide the entrance surface of a wound is small when a kind of operation, is conducive to the smooth reparation of articular surface, mitigate disease
The automatic expansion type bone grafting instrument of people's pain.
The technical scheme of the invention is completed in the following manner, it includes a sleeve and strike housing, and feature exists
In: inserted with a mandril in sleeve, it is separately installed with and can be stretched from sleeve top opening with uniformly distributed torsional spring on mandril top periphery
Out and the tabletting in petal-shaped plane is unfolded, close to top in being equipped with a spring stop in sleeve on mandril, in spring
It is cased with spring on mandril below baffle, one is fixed on the corresponding sleeve lining of spring bottom and is threadedly coupled with mandril
Spring-support plate sets a steering positioning pin in mandril upper bush and strike housing junction.
Rotational angle of the positioning pin in strike housing is limited in a width of blade.
The present invention can not only greatly reduce the wound of bone surgery, and realize minimally invasiveization of bone surgery, have
Advantage easy to operate, time saving and energy saving, safe and effective, applied widely.
Detailed description of the invention
Fig. 1 is the structural schematic diagram after blade of the present invention opens；Fig. 2 is when removing positioning sleeve after blades withdraw of the present invention
Structural schematic diagram；Fig. 3 is the structural schematic diagram of automatic expansion blade of the present invention.
Specific embodiment
Embodiment is described in detail in conjunction with attached drawing, it includes a sleeve 1 and strike housing 8, inserted with one in sleeve
Mandril 3, on mandril top periphery, uniformly distributed torsional spring 6, which is separately installed with, can stretch out and be unfolded to be in petal-shaped plane from sleeve top opening
Tabletting 5, on mandril close to top in being equipped with a spring stop 7 in sleeve, covered on the mandril below spring stop
There is spring 4, the spring-support plate being threadedly coupled with mandril 2 is fixed on the corresponding sleeve lining of spring bottom, is being pushed up
Bar upper bush and strike housing junction set a steering positioning pin 9.Rotational angle of the positioning pin in strike housing is limited in
One width of blade.
Material of the invention all uses high-strength medical material such as: SUS310 stainless steel, SUS304 stainless steel,
The materials such as SUS310S stainless steel, SUS316L stainless steel are made, and mandril is first penetrated the set of built-in spring by when use from top to bottom
It in cylinder, by the rotation of mandril by each blade compresses to sleeve at the top of it, is implanted into surgical hole at this time, when operation is anti-
Each blade is released outside sleeve to rotation, each blade automatically opens to form petal-shaped expansion plane under the action of torsional spring, then
Beating sleeve is installed, bone grafting or reattachment surgery are carried out.It can be adjusted the angle by rotational positioning pin in operation, make the leaf automatically opened
Piece is adjusted the angle with rotation, until injured wound repair is smooth.After the completion of operation, beating sleeve is removed, mandril is reversely rotated,
It is retracted to it in sleeve, it is integrally taken out.During this, by the operation repeatedly to blade, convenient for the reduction of the fracture, improve
Bone grafting efficiency, while bone grafting inlet area is reduced as far as possible, operation wound area is reduced, realizes minimally invasiveization of bone surgery.
Claims (2)
1. automatic expansion type bone grafting instrument, it includes a sleeve and strike housing, it is characterised in that: inserted with one in sleeve
Mandril, being separately installed on mandril top periphery with uniformly distributed torsional spring can stretch out and be unfolded from sleeve top opening in petal-shaped plane
Tabletting is cased with bullet on the mandril below spring stop in being equipped with a spring stop in sleeve close to top on mandril
Spring is fixed with the spring-support plate being threadedly coupled with mandril on the corresponding sleeve lining of spring bottom, covers on mandril
Cylinder sets a steering positioning pin with strike housing junction.
2. automatic expansion type bone grafting instrument according to claim 1, it is characterised in that: rotation of the positioning pin in strike housing
Angle is limited in a width of blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353898.3A CN109925044A (en) | 2019-04-29 | 2019-04-29 | Automatic expansion type bone grafting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353898.3A CN109925044A (en) | 2019-04-29 | 2019-04-29 | Automatic expansion type bone grafting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109925044A true CN109925044A (en) | 2019-06-25 |
Family
ID=66991170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353898.3A Pending CN109925044A (en) | 2019-04-29 | 2019-04-29 | Automatic expansion type bone grafting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109925044A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU88941U1 (en) * | 2008-10-14 | 2009-11-27 | Государственное образовательное учреждение высшего профессионального образования "Дагестанская государственная медицинская академия федерального агентства по здравоохранению и социальному развитию" | DEVICE FOR OSTEOSYNTHESIS OF FRACTURES OF THE HEAD AND THE NECK OF THE BEAM |
| CN102138822A (en) * | 2011-04-15 | 2011-08-03 | 杨新明 | Bone-grafting device for repairing bone defect |
| CN204158470U (en) * | 2014-08-04 | 2015-02-18 | 上海市浦东新区周浦医院 | A kind of bone grafting instrument |
| CN204671255U (en) * | 2015-05-25 | 2015-09-30 | 北华大学 | A kind of Orthopedic Clinical bone grafting instrument |
| CN205107874U (en) * | 2015-11-18 | 2016-03-30 | 付磊 | Bone grafting device for orthopedics |
| CN205667591U (en) * | 2016-04-21 | 2016-11-02 | 贾新奎 | A kind of orthopaedics bone grafting external member |
| CN106308915A (en) * | 2016-11-03 | 2017-01-11 | 河北医科大学第三医院 | Jacking device for restoring collapse fracture block |
| CN206508021U (en) * | 2016-10-10 | 2017-09-22 | 遵义医学院附属医院 | It is a kind of that there is the bone grafting instrument for tamping function |
| CN209884309U (en) * | 2019-04-29 | 2020-01-03 | 新乡市中心医院(新乡中原医院管理中心) | Automatic expansion type bone grafting device |
-
2019
- 2019-04-29 CN CN201910353898.3A patent/CN109925044A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU88941U1 (en) * | 2008-10-14 | 2009-11-27 | Государственное образовательное учреждение высшего профессионального образования "Дагестанская государственная медицинская академия федерального агентства по здравоохранению и социальному развитию" | DEVICE FOR OSTEOSYNTHESIS OF FRACTURES OF THE HEAD AND THE NECK OF THE BEAM |
| CN102138822A (en) * | 2011-04-15 | 2011-08-03 | 杨新明 | Bone-grafting device for repairing bone defect |
| CN204158470U (en) * | 2014-08-04 | 2015-02-18 | 上海市浦东新区周浦医院 | A kind of bone grafting instrument |
| CN204671255U (en) * | 2015-05-25 | 2015-09-30 | 北华大学 | A kind of Orthopedic Clinical bone grafting instrument |
| CN205107874U (en) * | 2015-11-18 | 2016-03-30 | 付磊 | Bone grafting device for orthopedics |
| CN205667591U (en) * | 2016-04-21 | 2016-11-02 | 贾新奎 | A kind of orthopaedics bone grafting external member |
| CN206508021U (en) * | 2016-10-10 | 2017-09-22 | 遵义医学院附属医院 | It is a kind of that there is the bone grafting instrument for tamping function |
| CN106308915A (en) * | 2016-11-03 | 2017-01-11 | 河北医科大学第三医院 | Jacking device for restoring collapse fracture block |
| CN209884309U (en) * | 2019-04-29 | 2020-01-03 | 新乡市中心医院(新乡中原医院管理中心) | Automatic expansion type bone grafting device |
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