CN110393615A - A kind of columnar net fusion device captures device - Google Patents
A kind of columnar net fusion device captures device Download PDFInfo
- Publication number
- CN110393615A CN110393615A CN201910810643.5A CN201910810643A CN110393615A CN 110393615 A CN110393615 A CN 110393615A CN 201910810643 A CN201910810643 A CN 201910810643A CN 110393615 A CN110393615 A CN 110393615A
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- CN
- China
- Prior art keywords
- long tube
- inner sleeve
- clamping
- briquetting
- push rod
- 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.)
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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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
-
- 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
- A61F2/4611—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 spinal prostheses
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of columnar net fusion devices to capture device, comprising: long tube, the long tube has a connecting pin, and a sliding eye or two symmetrical sliding eyes are offered on long tube side wall；Clamping piece, the clamping piece have clamping end and strut end, and the end that struts of the clamping piece is connect with the connecting pin of the long tube；Described the clamping end is in clamped condition when strutting end and strutting, described when strutting end and closing up, and the clamping end is in relaxed state；Push rod, the push rod are arranged in the long tube；Inner sleeve, the inner sleeve are set on the long tube；The present invention is moved by inner sleeve drives push rod along long tube direction axial advancement or retrogressing, so that push rod is inserted into or remove clamping piece and struts end, the clamping end of clamping piece is set to clamp columnar net fusion device or in relaxed state, it is detached from columnar net fusion device, it is ensured that would not occur the variability of clamping force and the unstability of progradation in use.
Description
Technical field
The present invention relates to medical instruments field, espespecially a kind of columnar net fusion device captures device.
Background technique
Centrum retrogression pathological changes caused by ageing process are the main reason for causing cervical spondylosis, often to show as spur, intervertebral
Spinal canal stenosis caused by disk is prominent.Titanium mesh cage is mainly used for-clinical treatment of centrum disease anterior internal fixation fusion, at present
Pincers are captured frequently with a kind of titanium net for capturing for fusion device, when clamping, clamping force is held by radial direction of the people to rear end clamp handle
Power provides, while also causing clamping force that there is variability and progradation to generate unstability, and jaw type with axial thrust
Structure in waist approach in use, needing to open very big window just implantable Titanium mesh cage in waist side, in addition, jaw type knot
Structure to capture device length shorter, be that the longer device that captures is needed just to facilitate implantation Titanium mesh cage from waist side approach.For this purpose, mentioning
A kind of columnar net fusion device captures device out.
Summary of the invention
The present invention will solve to capture in device use process in existing netted fusion, and clamping force has variability and gos deep into length
Not enough, operation opening is big and progradation in unstability the technical issues of, a kind of columnar net fusion device is provided and captures device.
Technical solution provided by the invention is as follows:
A kind of columnar net fusion device captures device, comprising: long tube, the long tube has a connecting pin, and opens on long tube side wall
Equipped with a sliding eye or two symmetrical sliding eyes；Clamping piece, the clamping piece have clamping end and strut end, the clamping
The end that struts of part is connect with the connecting pin of the long tube；Described when strutting end and strutting, the clamping end is in clamped condition, described
When strutting end and closing up, the clamping end is in relaxed state；Push rod, the push rod are arranged in the long tube；Inner sleeve, it is described interior
It is set on the long tube；Sliding pin, the sliding pin pass through sliding eye and are connected on the inner wall of inner sleeve, the sliding pin
One section in long tube connect with the push rod；
Wherein, the inner sleeve is axially promoted or is retreated along the long tube, is driven and is strutted described in the push rod insertion or removal
End, so that the clamping end clamps or relaxation.
In the technical scheme, it drives push rod shaft to movement by the axial movement of inner sleeve, push rod is made to be inserted into or remove folder
Gripping member struts end, so that the clamping end of clamping piece is clamped columnar net fusion device or in relaxed state, is detached from columnar net fusion device.
Preferably, the clamping piece includes the first briquetting and the second briquetting, and first briquetting and the second briquetting are connected to
Clamping piece is formed on the connecting pin of long tube.
Preferably, the folder that one end side wall of first briquetting and the second briquetting far from long tube is formed by the conical surface and cambered surface
Portion is held, and the conical surface of the conical surface of the first briquetting and the second briquetting is opposite.
Preferably, further includes: spring, the both ends of the spring are connected to the first briquetting and the opposite side of the second briquetting
On wall, for the clamping end the push rod remove described in strut end after can restore relaxed state automatically.
Preferably, further includes: at least one pawl shelves pin, the pawl shelves pin connection are used on the connecting pin of the long tube
Limit the travel distance of push rod.
In the technical scheme, by the way that pawl shelves pin is arranged, to limit the maximum travel distance of push rod, so that limitation struts end
Maximum strut distance, to limit the maximum grip degree of clamping piece.
Preferably, the sliding pin is slidably connected with the inner sleeve inner wall.
In the technical scheme, be slidably connected by sliding pin and inner sleeve inner wall, inner sleeve along long tube screw propulsion or
When spiral retreats, it just will drive sliding pin and advance perhaps retrogressing so that push rod be driven to advance or retreat.
Preferably, the sliding pin is located at least one end outside long tube and is fixedly connected on the inner sleeve inner wall.
Preferably, further includes: housing, the housing are set on the long tube, and the housing is connect with the inner sleeve, and
Inner sleeve is located in housing, rotates the housing to drive the inner sleeve to be axially advanced or retreat, moves forward or back push rod.
In the technical scheme, by adding housing, housing is threadedly coupled with inner sleeve, housing around long tube peripheral wall clockwise or
Counterclockwise rotation when, drive inner sleeve along long tube axial advancement perhaps retrogressing thus drive push rod along long tube direction advance or
It retreats.
Preferably, further includes: handle, the taper knob is in the one end of the long tube far from long tube connecting pin.
Compared with prior art, a kind of columnar net fusion device provided by the invention captures device and has the advantages that
1, the present invention drives push rod along long tube direction axial advancement or retrogressing by inner sleeve movement, make push rod insertion or
Remove clamping piece struts end, so that the clamping end of clamping piece is clamped columnar net fusion device or in relaxed state, is detached from netted fusion
Device, it is ensured that would not occur the variability of clamping force and the unstability of progradation in use.
2, the present invention is designed by changing the structure of clamping piece, and the clamping part of the conical surface can extend into the mesh of columnar net fusion device
Interior, when clamping fusion device, the conical surface of the first briquetting and the second briquetting is preferably contacted with the mesh of columnar net fusion device, is increased
While contact area, clamping range is bigger, and direction is more, and stability is stronger, then by addition spring, to guarantee to move in push rod
After strutting end out, the clamping end of clamping piece can restore relaxed state automatically.
3, by addition housing, housing is mutually moved with inner sleeve, and housing is rotated around long tube peripheral wall, drives inner sleeve along long-tube shaft
To movement, while it can also play the role of limitation, so that the inner sleeve after adjusting is able to maintain stationary state, in use
It is not in the variability and the unstability of progradation of clamping force.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, a kind of columnar net fusion device is captured
Above-mentioned characteristic, technical characteristic, advantage and its implementation of device are further described.
Fig. 1 is the structural schematic diagram that a kind of columnar net fusion device of the present invention captures device；
Fig. 2 is that a kind of columnar net fusion device of the present invention captures the first briquette structure schematic diagram in device；
Fig. 3 is the structural schematic diagram of one embodiment that a kind of columnar net fusion device of the present invention captures device；
Fig. 4 is the structural schematic diagram for another embodiment that a kind of columnar net fusion device of the present invention captures device；
Fig. 5 is the structural schematic diagram for another embodiment that a kind of columnar net fusion device of the present invention captures device；
Fig. 6 is the schematic perspective view of Fig. 5；
Fig. 7 is the another viewing angle constructions schematic diagram of Fig. 6；
Fig. 8 is part-structure enlarged structure schematic diagram in Fig. 7；
Fig. 9 is the structural schematic diagram that the present invention clamps columnar net fusion device.
Drawing reference numeral explanation: clamping piece 1, the first briquetting 1a, the second briquetting 1b, spring 2, pawl pin 3, long tube 4, pawl shelves pin 5,
Push rod 6, adjustment pin 7, housing 8, inner sleeve 9, sliding pin 10, handle 11.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, Detailed description of the invention will be compareed below
A specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented
Its practical structures as product.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not only indicated
" only this ", can also indicate the situation of " more than one ".
A kind of embodiment provided according to the present invention, as shown in Figure 1, a kind of columnar net fusion device captures device, comprising: long tube 4,
Long tube 4 has a connecting pin, and a sliding eye or two symmetrical sliding eyes are offered on 4 side wall of long tube；Clamping piece 1,
Clamping piece 1 has clamping end and struts end, and the end that struts of clamping piece 1 is connect with the connecting pin of long tube 4；When strutting end and strutting, folder
It is in clamped condition to hold end, when strutting end and closing up, clamping end is in relaxed state；
Push rod 6, push rod 6 are arranged in long tube 4；Inner sleeve 9, inner sleeve 9 are set on long tube 4；Sliding pin 10, sliding pin 10 are worn
It crosses sliding eye and is connected on the inner wall of inner sleeve 9, be located in long tube 4 one section of sliding pin 10 is connect with push rod 6；
When specific implementation:
When opening up a sliding eye, one end of sliding pin 10 is connect with push rod 6, and the other end passes through sliding eye and is connected to inner sleeve
On 9 inner wall；
When opening up two symmetrical sliding eyes, sliding pin 10 passes through two sliding eyes, and the both ends of sliding pin 10 are connected to interior
On the inner wall of set 9, sliding pin 10 is located at one section of side wall in long tube 4 and connect with push rod 6；
When sliding pin 10 and 9 inner wall of inner sleeve are slidably connected, it can be slid axially by inner sleeve 9 along long tube 4 and drive push rod 6 along length
The movement of 4 direction of pipe；Also it can be connect by inner sleeve 9 with 4 outer wall thread of long tube, rotate inner sleeve 9, can also drive push rod 6 along 4 side of long tube
To movement；
When sliding pin 10 is fixedly connected with 4 inner sleeve of long tube, 9 inner wall, inner sleeve 9 can only slide axially drive along long tube 4 at this time
Push rod 6 is moved along 4 direction of long tube；
In the present embodiment, sliding pin 10 and inner sleeve 9 are specifically any connection type, and the present embodiment does not do excessive limit
It is fixed.Wherein, inner sleeve 9 is promoted or is retreated along long tube 4 is axial, is driven the insertion of push rod 6 or is removed and struts end so that clamping end clamping or
Relaxation.
In another embodiment of the invention, as shown in Figure 2 and Figure 8, clamping piece 1 includes the first briquetting 1a and the second briquetting
1b, the first briquetting 1a and the second briquetting 1b are connected to formation clamping piece 1 on the connecting pin of long tube 4, when implementing, the first pressure
Block 1a and the second briquetting 1b is hinged by pawl pin 3, when the first briquetting 1a and the second briquetting 1b are located at ipsilateral one end and are located remotely from each other,
First briquetting 1a and the second briquetting 1b is located at the ipsilateral other end will be close to each other.
The clamping part that one end side wall of first briquetting 1a and the second briquetting 1b far from long tube 4 is formed by the conical surface and cambered surface,
And first briquetting 1a the conical surface and the second briquetting 1b the conical surface it is opposite, the conical surface of the first briquetting 1a and the second briquetting 1b are opposite, In
When first briquetting 1a and the second briquetting 1b protrude into the mesh of columnar net fusion device, the clamping part of the first briquetting 1a and the second briquetting 1b are special
Sign is wanted to match with Titanium mesh cage, and Titanium mesh cage can be steadily handled when leading portion closes up.In another embodiment of the present invention
In, as shown in figure 3, further including spring 2, the both ends of spring 2 are connected to the opposite side the first briquetting 1a and the second briquetting 1b
On wall, relaxed state can be restored automatically after the removal of push rod 6 struts end for clamping end, when in use, spring 2 guarantees
Clamping part on first briquetting 1a and the second briquetting 1b can preferably open, when unclamping columnar net fusion device, with regard to the first briquetting
1a and the second briquetting 1b is just easy to be detached from columnar net fusion device.
Further include: at least one pawl shelves pin 5, pawl shelves pin 5 is connected on the connecting pin of long tube 4, for limiting clamping head 1a
The spacing for excessively strutting and be more than titanium net hole with 1b, while keeping clamping head 1a and 1b in an intermediate position, and itself will not be with
Meaning rotation, avoids situation inconvenient to use.
In another embodiment of the invention, as shown in Figure 1, sliding pin 10 is connect with 9 pin hole of inner sleeve, and through long tube
4。
When specific implementation, sliding pin 10 is connect with 9 pin hole of inner sleeve, can be slid axially band by inner sleeve 9 along long tube 4
Dynamic push rod 6 is moved along 4 direction of long tube；Also it can be connect by inner sleeve 9 with 4 outer wall thread of long tube, rotate inner sleeve 9, can also drive and push away
Bar 6 is moved along 4 direction of long tube, the mode being connect in the present embodiment using inner sleeve 9 with 4 outer wall thread of long tube.
In another embodiment of the invention, as shown in figure 4, sliding pin 10 is located at, at least one end outside long tube 4 is fixed to be connected
It connects on 9 inner wall of inner sleeve, in the present embodiment, is opened up on long tube 4 there are two symmetrical sliding eye, sliding pin 10 passes through two cunnings
Dynamic hole, the both ends of sliding pin 10 are respectively fixedly connected on the inner wall of inner sleeve 9, so that sliding pin 10, inner sleeve 9, push rod 6 become one
Body, and can only be moved axially relative to outer tube 4.
It further include simultaneously housing 8, housing 8 is set on long tube 4, when specific implementation, is inserted on the side wall on long tube 4
There is adjustment pin 7, housing 8 offers slideway far from one end inner wall of inner sleeve 9, and the both ends of adjustment pin 7 are slided in slideway, make to adjust
7 housing of pin, 8 meetings are rotated around 4 outer wall of long tube, and without axial movement occurs, housing 8 is threadedly coupled with inner sleeve 9, and inner sleeve 9
In housing 8, because inner sleeve 9 can only move axially, rotary sleeve 8 can drive inner sleeve 9 to be axially advanced or retreat,
Move forward or back push rod 6.
In another embodiment of the invention, as shown in figures 5-9, further includes: handle 11,11 sets of handle separate in long tube 4
One end of 4 connecting pin of long tube；When specific implementation, handle core, handle core be filled in 11 inner wall of handle and 4 outer wall of long tube it
Between；Handle 11 is connected with sealing cap far from the other end of long tube 4, and when tapping sealing cap in use process, active force is transferred directly to press from both sides
Head is held, to facilitate between Titanium mesh cage implantation centrum.；
In the present embodiment, the combination of handle 11,11 core of handle and sealing cap, when use captures device and captures fusion device,
Long tube 4 can be held well, keep columnar net fusion device comfort when capturing preferable.
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (9)
1. a kind of columnar net fusion device captures device, it is characterised in that: including
Long tube, the long tube have a connecting pin, and a sliding eye or two symmetrical slidings are offered on long tube side wall
Hole；
Clamping piece, the clamping piece have clamping end and strut end, the connecting pin for strutting end with the long tube of the clamping piece
Connection；
Described the clamping end is in clamped condition when strutting end and strutting, described when strutting end and closing up, and the clamping end is in pine
Relaxation state；
Push rod, the push rod are arranged in the long tube；
Inner sleeve, the inner sleeve are set on the long tube；
Sliding pin, the sliding pin pass through sliding eye and are connected on the inner wall of inner sleeve, and the sliding pin is located at one in long tube
Section is connect with the push rod；
Wherein, the inner sleeve is axially promoted or is retreated along the long tube, is driven and is strutted end described in the push rod insertion or removal, with
The clamping end is set to clamp or relax.
2. a kind of columnar net fusion device according to claim 1 captures device, it is characterised in that: the clamping piece includes:
First briquetting and the second briquetting, first briquetting and the second briquetting are connected on the connecting pin of long tube and form clamping piece.
3. a kind of columnar net fusion device according to claim 2 captures device, it is characterised in that: first briquetting and the second pressure
The clamping part that one end side wall of the block far from long tube is formed by the conical surface and cambered surface, and the cone of the conical surface of the first briquetting and the second briquetting
Face is opposite.
4. a kind of columnar net fusion device according to claim 1 captures device, it is characterised in that: further include:
Spring, the both ends of the spring are connected on the first briquetting and the opposite side wall of the second briquetting, are used for the clamping
Relaxed state can be restored after strutting end described in removing in the push rod automatically by holding.
5. a kind of columnar net fusion device according to claim 1 captures device, it is characterised in that: further include:
At least one pawl shelves pin, the pawl shelves pin connection is on the connecting pin of the long tube, for limiting the travel distance of push rod.
6. a kind of columnar net fusion device according to claim 1 captures device, it is characterised in that: the sliding pin and the inner sleeve
Inner wall is slidably connected.
7. a kind of columnar net fusion device according to claim 1 captures device, it is characterised in that: the sliding pin is located at outside long tube
At least one end be fixedly connected on the inner sleeve inner wall.
8. a kind of columnar net fusion device according to claim 7 captures device, it is characterised in that: further include:
Housing, the housing are set on the long tube, and the housing is connect with the inner sleeve, and inner sleeve is located in housing, rotation
Turn the housing to drive the inner sleeve to be axially advanced or retreat, moves forward or back push rod.
9. a kind of columnar net fusion device according to claim 1 captures device, it is characterised in that: further include:
Handle, the taper knob is in the one end of the long tube far from long tube connecting pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810643.5A CN110393615A (en) | 2019-08-29 | 2019-08-29 | A kind of columnar net fusion device captures device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810643.5A CN110393615A (en) | 2019-08-29 | 2019-08-29 | A kind of columnar net fusion device captures device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110393615A true CN110393615A (en) | 2019-11-01 |
Family
ID=68329447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910810643.5A Pending CN110393615A (en) | 2019-08-29 | 2019-08-29 | A kind of columnar net fusion device captures device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110393615A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828798A (en) * | 2019-11-22 | 2021-05-25 | 中国航发商用航空发动机有限责任公司 | Positioning tool and clamping mechanism thereof |
| CN113520680A (en) * | 2021-09-16 | 2021-10-22 | 上海凯利泰医疗科技股份有限公司 | Adjustable fusion cage holder |
-
2019
- 2019-08-29 CN CN201910810643.5A patent/CN110393615A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828798A (en) * | 2019-11-22 | 2021-05-25 | 中国航发商用航空发动机有限责任公司 | Positioning tool and clamping mechanism thereof |
| CN113520680A (en) * | 2021-09-16 | 2021-10-22 | 上海凯利泰医疗科技股份有限公司 | Adjustable fusion cage holder |
| CN113520680B (en) * | 2021-09-16 | 2022-01-21 | 上海凯利泰医疗科技股份有限公司 | Adjustable fusion cage holder |
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