CN106943196B - The universal positioning holdfast of one kind and its application method - Google Patents
The universal positioning holdfast of one kind and its application method Download PDFInfo
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- CN106943196B CN106943196B CN201710305693.9A CN201710305693A CN106943196B CN 106943196 B CN106943196 B CN 106943196B CN 201710305693 A CN201710305693 A CN 201710305693A CN 106943196 B CN106943196 B CN 106943196B
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- holdfast
- bar
- connector sleeve
- handle
- circular enlargement
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Abstract
The present invention relates to medical machinery fields, are specifically related to the universal positioning holdfast of one kind and its application method.The universal positioning holdfast is made of holdfast handle and holdfast bar, and the holdfast handle is made of holdfast handle core, holdfast connector sleeve and circular enlargement body；The cylindrical body that the circular enlargement body is, one end are provided with axial connecting hole, and holdfast bar is socketed in circular enlargement body by axial connecting hole；The circular enlargement body other end is connect with holdfast connector sleeve, and is structure as a whole；Holdfast handle core is cylindrical body, and one end is socketed in holdfast connector sleeve, two side openings of horizontally-parallel setting on holdfast connector sleeve.The holdfast has in miniaturization and easily minimally invasiveization implantation bone, can dismantle, and structure simple general-purpose is good, can be used to install electric drill, and when CT scan is not easy the features such as being distorted.
Description
Technical field
The present invention relates to medical machinery fields, are specifically related to the universal positioning holdfast of one kind and its application method.
Background technique
Anterior cruciate ligament (Anterior cruciate ligament, ACL) damage is a kind of common motion of knee joint
Damage, can lead to knee joint disorders, illness rate is about 1/3000.ACL Reconstruction controlling as standard under arthroscope
Treatment mode is by application many years, and Anatomical Reconstruction has become mainstream theory, however, advanced theory despite the use of, and use
The surgical instrument of Anatomical Reconstruction design is aimed at, clinical efficacy is not promoted accordingly, in the up to reconstruction of 10-15%
Failure case and 10-20%'s overhauls in case, and the positioning mistake in bone road inner inlet port especially femur bone road still accounts for big absolutely
It is most.
How objective accurate determining ACL tunnel position, be the target reached desired by each arthroscope doctor.Mesh
It is preceding to have developed some positioning holdfasts that improve positioning accuracy, but since these positioning holdfasts are not easy to be implanted into bone, and
Cannot dismantle, volume it is larger, structure is complicated, and can only be positioned, it is impossible to be used in installation electric drill, poor universality, CT sweeps
It is easy distortion when retouching, receives certain limitation in the dissection application of reality.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is a kind of universal positioning holdfast and its application method, the holdfasts
With miniaturization and easily in minimally invasiveization implantation bone, it can dismantle, structure simple general-purpose is good, can be used to install electric drill, CT scan
When be not easy to be distorted.
The technical scheme is that a kind of universal positioning holdfast, it is characterized in that: it is by holdfast handle and holdfast bar group
At the holdfast handle is made of holdfast handle core, holdfast connector sleeve and circular enlargement body；The circular enlargement body
Cylindrical body, one end are provided with axial connecting hole, and holdfast bar is socketed in circular enlargement body by axial connecting hole；Circular enlargement
The body other end is connect with holdfast connector sleeve, and is structure as a whole；Holdfast handle core is cylindrical body, and one end is socketed holdfast connector sleeve
It is interior, two side openings of horizontally-parallel setting on holdfast connector sleeve.
The holdfast bar is made of holdfast bar connector, holdfast polished rod and self-tapping screw, holdfast bar connector one end
It is socketed in the axial connecting hole of circular enlargement body, the other end is structure as a whole with holdfast polished rod, and the end of holdfast polished rod is fixed
It is connected with self-tapping screw.
The section of the holdfast connector sleeve is large semi-circular.
The universal positioning holdfast overall length is 20mm, the diameter 5mm of holdfast bar.
The holdfast handle and holdfast bar are titanium alloy paramagnetic material.
The application method of the universal positioning holdfast of described one kind, it is characterized in that: by the holdfast handle of holdfast and holdfast bar two
Part connection is integral, and electric drill is mounted on holdfast handle core, is started electric drill for holdfast and is pierced scheduled position, goes after piercing
Fall holdfast handle core and electric drill, covered guide plate on holdfast connector sleeve by the holdfast connecting hole of guide plate, and is worn with two bolts
Guide plate is fixed on holdfast by two side openings on two fixation holes and holdfast connector sleeve crossed in holdfast connecting hole, and guide pin is filled
Enter in the guiding pin hole on guide plate, bone road direction is preset according to holdfast, guide pin is slowly pierced into knee joint using electric drill, penetrates pair
Side seam cortex stops electric drill after entering articular cavity, and guide pin is taken out, and guide plate is removed from holdfast；Electric drill is passed through into holdfast handle
Core is mounted on holdfast connector sleeve, is started electric drill and is taken out entire holdfast.
Advantages of the present invention: the holdfast overall length is 20mm, the diameter 5mm of holdfast bar, has miniaturization and easily minimally invasiveization is planted
Feature in the marrow, holdfast is divided into holdfast handle and holdfast bar, and can dismantle, and conveniently collects；Anchor is socketed in holdfast connector sleeve
Handle core is followed closely, facilitates installation electric drill, versatility is good；Holdfast handle and holdfast bar are titanium alloy paramagnetic material, facilitate and carry out CT
Scanning, it is unlikely because of image fault caused by artifact.Holdfast connector sleeve can facilitate with side opening, its section for large semi-circular and guide plate
Connection, and guarantee connection fastness, prevent guide plate from shifting, can accurately drill through required bone by guide plate in this way
Road；Circular enlargement body separates guide plate and skin soft tissue for stopping.Using self-tapping screw convenient for piercing corresponding site, and pierce
After be easy to fixed, be not easy to loosen.
The present invention is described in further details below by specific embodiment, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the end view drawing of holdfast handle core of the present invention；
Fig. 3 is the cross-sectional view of holdfast connector sleeve of the present invention；
Fig. 4 is the structural schematic diagram of guide plate；
Fig. 5 is the structural schematic diagram of the holdfast connecting hole of guide plate；
In figure: 1, holdfast handle core；2, side opening；3, holdfast connector sleeve；4, circular enlargement body；5, holdfast bar connector；7,
Holdfast polished rod；8, self-tapping screw；9, guide plate；10, holdfast connecting hole；11, it is oriented to pin hole；12, fixation hole.
Specific embodiment
Embodiment 1
A kind of universal positioning holdfast is made of holdfast handle and holdfast bar, the holdfast handle be by holdfast handle core 1,
Holdfast connector sleeve 3 and circular enlargement body 4 form；The cylindrical body that the circular enlargement body 4 is, one end are provided with axial connection
Hole, holdfast bar are socketed in circular enlargement body 4 by axial connecting hole；4 other end of circular enlargement body and holdfast connector sleeve 3 connect
It connects, and is structure as a whole；Holdfast handle core 1 is cylindrical body, and one end is socketed in holdfast connector sleeve 3, horizontal on holdfast connector sleeve 3
To two side openings 2 are arranged in parallel.
Embodiment 2
It as shown in Figure 1, a kind of universal positioning holdfast is made of holdfast handle and holdfast bar, and can dismantle, facilitate receipts
It picks up；The holdfast handle is made of holdfast handle core 1, holdfast connector sleeve 3 and circular enlargement body 4；The circular enlargement body 4
For cylindrical body, one end is provided with axial connecting hole, and holdfast bar is socketed in circular enlargement body 4 by axial connecting hole；Circle
Shape is expanded 4 other end of body and is connect with holdfast connector sleeve 3, and is structure as a whole；As shown in Fig. 2, holdfast handle core 1 is cylindrical body,
One end is socketed in holdfast connector sleeve 3；Two side openings 2 of horizontally-parallel setting on holdfast connector sleeve 3, as shown in figure 3, described
The section of holdfast connector sleeve 3 is large semi-circular, can facilitate the connection with guide plate, and guarantees the fastness of connection, prevents guide plate
Displacement, can accurately drill through required bone road by guide plate in this way；The universal positioning holdfast overall length is 20mm, anchor
The diameter 5mm of nail rod has the characteristics that in miniaturization and easily minimally invasiveization implantation bone；The setting of holdfast handle core 1 can be used for pacifying
Electric drill is filled, versatility is enhanced.
The holdfast bar is made of holdfast bar connector 5, holdfast polished rod 7 and self-tapping screw 8, holdfast bar connector 5
One end is socketed in the axial connecting hole of circular enlargement body 4, and the other end is structure as a whole with holdfast polished rod 7, the end of holdfast polished rod 7
Portion is fixedly connected with self-tapping screw 8.Self-tapping screw 8 is easy to fixed after piercing convenient for piercing corresponding site, is not easy to loosen；Circle
Shape is swollen to be generally used for stopping to separate guide plate and skin soft tissue.
The holdfast handle and holdfast bar are titanium alloy paramagnetic material.Facilitate carry out CT scan, it is unlikely because of artifact caused by
Image fault.
The application method of the universal positioning holdfast of described one kind: the holdfast handle of holdfast and holdfast bar two parts are connected as
One is whole, and electric drill is mounted on holdfast handle core 1, starts electric drill for holdfast and pierce scheduled position, remove holdfast handle after piercing
Core 1 and electric drill, as shown in Figure 4 and Figure 5, by the holdfast connecting hole 10 of guide plate 9 by 9 sets of guide plate on holdfast connector sleeve 3, and
Two side openings 2 passed through on two fixation holes 12 and holdfast connector sleeve 3 in holdfast connecting hole 10 with two bolts consolidate guide plate 9
It is scheduled on holdfast, guide pin is packed into the guiding pin hole 11 on guide plate 9, bone road direction is preset according to holdfast, will be led using electric drill
Needle slowly pierces knee joint, penetrates after opposite side cortical bone enters articular cavity and stops electric drill, and guide pin is taken out, and takes from holdfast
Bottom guide 9；Electric drill is mounted on holdfast connector sleeve 3 by holdfast handle core 1, electric drill is started and takes out entire holdfast.
The well-known components and common structure of component and the structure category industry that the present embodiment does not describe in detail or common hand
Section, does not describe one by one here.
Claims (1)
1. a kind of universal positioning holdfast, it is characterized in that: it is made of holdfast handle and holdfast bar, the holdfast handle is by anchor
Follow closely handle core (1), holdfast connector sleeve (3) and circular enlargement body (4) composition；The circular enlargement body (4) is cylindrical body, one
End is provided with axial connecting hole, and holdfast bar is socketed in circular enlargement body (4) by axial connecting hole；Circular enlargement body (4) is another
One end is connect with holdfast connector sleeve (3), and is structure as a whole；Holdfast handle core (1) is cylindrical body, and one end is socketed holdfast connection
It covers in (3), two side openings (2) of horizontally-parallel setting on holdfast connector sleeve (3)；
The holdfast bar is made of holdfast bar connector (5), holdfast polished rod (7) and self-tapping screw (8), holdfast bar connector
(5) one end is socketed in the axial connecting hole of circular enlargement body (4), and the other end is structure as a whole with holdfast polished rod (7), holdfast light
The end of bar (7) is fixedly connected with self-tapping screw (8)；
The section of the holdfast connector sleeve (3) is large semi-circular；
The universal positioning holdfast overall length is 20mm, the diameter 5mm of holdfast bar；
The holdfast handle and holdfast bar are titanium alloy paramagnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305693.9A CN106943196B (en) | 2017-05-03 | 2017-05-03 | The universal positioning holdfast of one kind and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305693.9A CN106943196B (en) | 2017-05-03 | 2017-05-03 | The universal positioning holdfast of one kind and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106943196A CN106943196A (en) | 2017-07-14 |
| CN106943196B true CN106943196B (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710305693.9A Expired - Fee Related CN106943196B (en) | 2017-05-03 | 2017-05-03 | The universal positioning holdfast of one kind and its application method |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443956B1 (en) * | 2000-09-22 | 2002-09-03 | Mekanika, Inc. | Vertebral drill bit and inserter |
| US20030018337A1 (en) * | 2001-07-17 | 2003-01-23 | Davis Reginald J. | Bone drill and tap combination |
| CN2652336Y (en) * | 2003-08-27 | 2004-11-03 | 许远海 | Guide device for skull oriented drilling |
| CN101773404B (en) * | 2010-01-05 | 2011-08-17 | 深圳先进技术研究院 | Magnetic resonance compatible puncture needle |
| TWI452993B (en) * | 2011-11-17 | 2014-09-21 | Metal Ind Res & Dev Ct | Bone screw, method for manufacturing the bone screw, and tool for mounting and removing the bone screw |
| US10603094B2 (en) * | 2015-03-31 | 2020-03-31 | Depuy Ireland Unlimited Company | System and method for attaching a surgical instrument to a patient's bone |
| CN204744313U (en) * | 2015-07-23 | 2015-11-11 | 浙江科惠医疗器械股份有限公司 | Osteotome instrument of fixed osteotome sword is changed through osteotome handle jack |
| CN105852951A (en) * | 2016-05-04 | 2016-08-17 | 高嘉锴 | Hollow screw for restoring damaged ligaments or muscle tendons |
| CN106344161B (en) * | 2016-11-22 | 2018-07-06 | 哈尔滨工业大学 | A kind of minimally invasive spine surgical robot end-of-arm tooling quick-changing mechanism |
| CN207575247U (en) * | 2017-05-03 | 2018-07-06 | 西安交通大学医学院第二附属医院 | A kind of universal positioning holdfast |
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2017
- 2017-05-03 CN CN201710305693.9A patent/CN106943196B/en not_active Expired - Fee Related
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| CN106943196A (en) | 2017-07-14 |
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Granted publication date: 20190621 Termination date: 20200503 |