CN206120370U - Lock fixed ring and have this lock fixed ring's retractor subassembly - Google Patents
Lock fixed ring and have this lock fixed ring's retractor subassembly Download PDFInfo
- Publication number
- CN206120370U CN206120370U CN201620387064.6U CN201620387064U CN206120370U CN 206120370 U CN206120370 U CN 206120370U CN 201620387064 U CN201620387064 U CN 201620387064U CN 206120370 U CN206120370 U CN 206120370U
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- locking
- cantilever
- ring
- slit
- base portion
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Abstract
The utility model provides a lock fixed ring includes: the stalk portion, annular portion, annular portion can overlap and establish on the passageway pipe to centre gripping passageway pipe, and the sticking department, the sticking department is connected between stalk portion and annular portion, and includes a locking mechanical system, and wherein, a locking mechanical system's regulation causes the size of annular portion to change to press from both sides tightly or loosen the centre gripping of annular portion to the passageway pipe. This lock fixed ring can detachably and passageway union coupling to it is applicable in not unidimensional passageway pipe. The retractor subassembly including this lock fixed ring is still disclosed.
Description
Technical field
This utility model is related to a kind of locking ring, further relates to a kind of traction device assembly with the locking ring, the retractor
Component is particularly performed the operation for minimally invasive spine.
Background technology
Intervertebral disk hernia can cause to produce compressing to spinal cord or nerve root, cause the pain of arm or leg, or even can shadow
Ring the performance of spinal cord normal function.For the treatment of intervertebral disk hernia generally includes naturopathy, Drug therapy and operative treatment.
If the symptom of intervertebral disk hernia without improving, needs selection to carry out " discectomy under Drug therapy or naturopathy
Art ", i.e. the intervertebral disk hernia part of excision pressuring neural root is with relief of symptoms.
Minimally invasive endoscopic resection art (MED) is the discectomy mode for increasingly receiving publicity in recent years.It is minimally invasive
Endoscopic resection art has the advantages that otch is little, little to disorganization, therefore the time of its postoperative rehabilitation is also shorter, and to ridge
The impact of column stability is also less.For example develop including Medtronic Inc. currently used for the surgery systems of minimally invasive endoscopic resection art
METRx systems.
Existing minimally invasive endoscopic resection surgery systems include the channel in substantial cylindrical (or claiming " retractor ").
In operation process, first needing to open up out otch at the position of human body performed the operation, then by the channel insertion, this is pre-
In the otch being initially formed, as the tissues such as the insertion of channel, the muscle and soft tissue of incision are retracted, so as to provide
The spinal column entrance of operation.
Fig. 3 shows a kind of front view of traction device assembly 100 conventional at present.Wherein retract device assembly 100 include be in
The channel 110 and the locking ring 120 being fixedly connected on channel 110 of substantial cylindrical.One section of locking ring 120 is in ring
Shape, for holding channel 110, the other end of locking ring 120 is free end, can attended operation handle is not (on the free end
Illustrate), surgeon operates traction device assembly 100 in operation process by the control to operation handle.By retractor
After on the insertion patient's human body of channel 110 of component 100, preformed otch is to form operation path, surgeon can be by
Operating theater instruments Jing channel 110 is reached at surgery location, spinal column of such as patient etc..
In above-described traction device assembly 100, each locking ring 120 supporting with the channel of specific dimensions can only make
With, and for various sizes of channel 110, then need the 120 matched use of various sizes of locking ring.And, go out
In health and the consideration for avoiding cross infection, usual retractor systems are disposable, after the procedure is completed, are needed passage
The connection locking ring 120 of pipe 110 is abandoned together, and this increased the cost of operation to a certain extent.
Accordingly, it is desirable to provide a kind of traction device assembly of new structure, during which can overcome prior art described above
Problem.
Utility model content
A purpose of the present utility model is to provide a kind of locking ring, and the locking ring can be removably attachable to passage
Pipe, forms modular traction device assembly, and the locking ring can adapt to various sizes of channel.
Locking ring of the present utility model proximally arrives distally to be included successively：Shank；Ring part, ring part can be set in logical
On deferent, with gripping channel pipe；And sticking department, sticking department is connected between shank and ring part, and locks machine including first
Structure, wherein, the regulation of first locking mechanism causes the size of ring part to change, so as to clamp or unclamp ring part to channel
Clamping.
Locking ring with said structure is may be removably coupled on channel, so as to form modular retractor
Component, also, the regulation by locking mechanism, the size of ring part change, so as to the locking ring be applicable to it is various sizes of
Channel.
Further, the sticking department of locking ring also includes locking base portion, and locking base portion distally prolongs from the distal end of shank
Stretch.
First locking mechanism includes the first cantilever and the first hook knob, and the near-end of the first cantilever is free end, and first hangs
The distal end of arm is connected with ring part, and the first slit for being formed through between the first cantilever and locking base portion, to the
The operation of one hook knob makes tightening up or unclamping for the first slit.
Sticking department includes the through hole through the first cantilever and locking base portion, accommodates screw rod in through hole, screw rod with the
One end and the second end, first end extend from the first cantilever, and, the first external screw thread, the first locking are provided with first end
The first female thread is provided with knob, the first external screw thread is matched each other with the first female thread.
It is preferred that sticking department also includes second locking mechanism, wherein second locking mechanism includes endoscope hole, endoscope's energy
Enough through endoscope hole, and the regulation of second locking mechanism causes the size in endoscope hole to change, so as to peep in clamping or unclamping
Mirror.
The second locking mechanism includes the second cantilever and the second hook knob, and the near-end of the second cantilever is free end, second
The distal end of cantilever is connected with ring part, and with locking base portion distal portions couple, the second cantilever and locking base portion it
Between form nonpenerative second slit, the near-end of the second slit is open, and the distal end of the second slit is closure, and second narrow
Endoscope hole is formed with groove, tightening up or unclamping for the second slit will be caused to the operation of the second hook knob, and then in causing
The change in size in sight glass hole.
Corresponding with second locking mechanism, the second end of above-mentioned screw rod extends from the second cantilever, arranges on the second end
There is the second external screw thread, in the second hook knob, be provided with the second female thread, the second external screw thread and the second female thread match each other.
This utility model further relates to a kind of traction device assembly, and the traction device assembly includes：Channel and as above
Locking ring, the locking ring are detachably connected on channel.
Description of the drawings
Fig. 1 shows the axonometric chart for retracting device assembly of the present utility model, the wherein channel and lock of the traction device assembly
Determine ring to link together.
Fig. 2 shows the axonometric chart of the locking ring that device assembly is retracted shown in Fig. 1.
Fig. 3 shows a kind of schematic diagram of the retractor of prior art.
Specific embodiment
Specific embodiment of the present utility model is described below in conjunction with accompanying drawing.It is noted that institute in accompanying drawing
What is shown is only presently preferred embodiments of the present invention, and which is simultaneously not construed to limit the scope of the present.Those skilled in the art
Various obvious modifications, modification, equivalence replacement can be carried out on the basis of embodiment shown in the drawings to the present invention, and
And under the premise of not conflicting, the technical characteristic in different embodiments discussed below can in any combination, and these
All fall within the scope and spirit of the invention.
It is used herein " on ", D score, " remote ", " near " etc. be with reference to of the present utility model logical with regard to the term in orientation
Deferent and locking ring are in operation process for the surgeon's location performed the operation.Wherein, " on ",
" near " is referred in operation process upwards and/or facing to surgical that direction；D score, " remote " refer to operation process
In downwards and/or away from surgical that direction, or perhaps towards that direction of patient.
Fig. 1 shows traction device assembly of the present utility model, its lock for including channel 1 and being locked on channel 1
Determine ring 2.Fig. 2 show separately the axonometric chart of locking ring 2.Below by mainly in combination with Fig. 2 specifically describing the structure of locking ring 2.
As shown in Fig. 2 locking ring of the present utility model 2 proximally distad mainly includes shank 21, sticking department 22 successively
With ring part 23.Wherein, the near-end of shank 21 can be connected with unshowned action bars, grip in operation process for surgeon
And operation, ring part 23 can be set on channel 1, and with gripping channel pipe 1, sticking department 22 is then connected to shank 21 and ring part
Between 23.
Sticking department 22 in the structure of locking ring of the present utility model 2 can be used for adjusting ring part 23 to channel 1
Clamping.Specifically, by operating sticking department 22, ring part 23 can be clamped to the upper end 11 of channel 1, or by annular
Unclamp from the upper end 11 of channel 1 in portion 23.Additionally, sticking department 22 also includes the structure for fixed endoscope, this will below
Middle detailed description.
From Fig. 2 it is also seen that sticking department 22 include from the distal end of shank 21 going out towards distal extension locking base portion 30,
First locking mechanism 31 and second locking mechanism 32.In the preferred construction shown in Fig. 2, first locking mechanism 31 and second is locked
Mechanism 32 is located at the both sides of locking base portion 30 respectively.Will be detailed below first locking mechanism 31 and second locking mechanism 32
Structure.
In the structure shown in Fig. 2, first locking mechanism 31 is located at the side of locking base portion 30, and including the first cantilever
41.The distal end of the first cantilever 41 is connected with one end of ring part 23, and the near-end of the first cantilever 41 is free end.In the first cantilever
The first slit 43 being formed through between 41 and locking base portion 30.
Second locking mechanism 32 is located at the opposite side of locking base portion 30, and including the second cantilever 51.With 41 phase of the first cantilever
Together, the near-end of the second cantilever 51 is free end.The distal end of the second cantilever 51 is connected with the other end of ring part 23, and also with
The distal portions ground of locking base portion 30 is connected.Thus, nonpenerative the is formed between the second cantilever 51 and locking base portion 30
Two slits 53, the near-end of second slit 53 is open, and distal end is closure.Also, as shown in Figure 2, the second slit
53 far-end is formed with endoscope hole 54, and the endoscope for providing surgical field of view in operation process for surgeon is interior through this
Sight glass hole 54.
The through hole for sequentially passing through the first cantilever 41, locking base portion 30 and the second cantilever 51, spiral shell are additionally provided with sticking department 22
Bar 60 passes through the through hole, and its two ends to stretch out from the first cantilever 41 and 51 respective outer surface of the second cantilever respectively.
As shown in figure 3, the first hook knob 42 is provided with the first end 61 that screw rod 60 stretches out the first cantilever 41.Screw rod
External screw thread can be provided with 60 first end 61, and the first hook knob 42 has been provided with the female thread for matching, so as to
One hook knob 42 is can be threaded connection with the first end 61 of screw rod 60, and can be rotated relative to screw rod 60.
Similarly, the second hook knob 52 is installed on the second end 62 that screw rod 60 stretches out the second cantilever 51.Screw rod 60
Second end 62 on can also be provided with external screw thread, and the second hook knob 52 is then correspondingly provided with the interior spiral shell for matching
Stricture of vagina, so as to the second hook knob 52 is can be threaded connection with the second end 62 of screw rod 60, and can rotate relative to screw rod 60.
Knowable to the structure of first locking mechanism 31 disclosed above, when the first hook knob 42 is rotated, this first
Hook knob 42 by along towards or away from the direction of the first cantilever 41 translate, so as to tighten up or unclamp the first cantilever 41 and locking
The first slit 43 between base portion 30, and then zoom in or out the size of ring part 23.Thus, the such as Fig. 1 institutes of ring part 23 can be made
It is clamped to as showing on channel 1 or unclamps from channel 1.
Knowable to the structure of second locking mechanism 32 disclosed above, endoscope hole 54 is extended through in endoscope and arrived
Up to after surgery location, surgeon can rotate the second hook knob 52 so that the second hook knob is towards the second cantilever 51
Direction translation, so as to tighten up the second cantilever 51 and locking base portion 30 between the second slit 53.Thereby result in endoscope hole 54
Size reduction, so as to endoscope can be fixed.When the second rotating part 55 is rotated along contrary direction, 53 quilt of the second slit
Unclamp, and then endoscope hole 54 becomes large-sized, so as to unclamping the fastening to endoscope.
Can see from the disclosure of the structure above with respect to locking ring 2, the locking ring 2 allows for modular leading
Open device assembly.
Specifically, by 2 first locking mechanism 31 of locking ring, allow the size of ring part 23 within the specific limits
Adjust.So, locking ring of the present utility model 2 goes for the channel 1 of sizes.And, by the first locking knot
Structure 31, locking ring 2 are removably interconnected with channel 1.So, after the procedure is completed, channel 1 is if desired abandoned,
Only locking ring 2 need to be separated with channel 1, channel 1 be abandoned, and locking ring 2 is reusable.
Further, locking ring of the present utility model 2 also includes second locking mechanism 32, for clamping endoscope.Thus,
The operation to channel 1 and the clamping to endoscope be can be achieved with by 2 one parts of locking ring.
<Other distressed structures>
Above specific embodiment of the present utility model is had been described in detail, on this basis, people in the art
Member can carry out various modifications to said structure, and these modifications are still within the scope of this utility model.For example：
Although showing in figure that endoscope hole is formed at the distal end of the second slit, endoscope hole is not necessarily placed at second
The distal end of slit, which can also be at any appropriate position in the second slit.
More than in addition to the structure of specifically described first and second locking mechanism, can also take as is generally known in the art
Other suitable structures, as long as which can play the effect for tightening up and unclamping the first and second slits.For example, can adopt
The first and second locking mechanisms are realized with elastic construction, in the presence of external force, the elastic force of the elastic construction can be overcome to make
Ring part/endoscope hole becomes large-sized, and when external force is removed, and under the resilient force of elastic construction, ring part/interior is peeped
The size reduction in mirror hole such that it is able to clamping channel pipe/endoscope.
In embodiment described above, same through hole is through first, second cantilever and locks base portion, so as to the first He
Second hook knob is attached on the two ends of same screw rod.But, this structure also it is not necessary to.First and second
Hook knob can be also connected on different two screw rod, the two screw rods be each passed through the first cantilever, locking base portion with
And through the second cantilever and locking base portion.Such structure is also included within protection domain of the present utility model.
Above-described locking ring simultaneously includes the first and second locking mechanisms, is respectively used to hold channel and interior peeps
Mirror.Those skilled in the art will be seen that, for realizing modular traction device assembly this purpose, first locking mechanism
Just be enough to realize the purpose, and second locking mechanism is then optional structure.
Additionally, being this utility model to be described by taking spinal operation as an example above, in addition, this utility model is also
Can be used for other operative sites, such as knee, shoulder, hand, wrist, ankle etc..
Claims (8)
1. a kind of locking ring, it is characterised in that the locking ring proximally arrives distally to be included successively：
Shank；
Ring part；And
Sticking department, the sticking department are connected between the shank and the ring part, and including first locking mechanism, wherein,
The regulation of the first locking mechanism causes the size of the ring part to change.
2. locking ring as claimed in claim 1, it is characterised in that the sticking department also includes locking base portion, the locking base
Portion distally extends from the distal end of the shank.
3. locking ring as claimed in claim 2, it is characterised in that the first locking mechanism includes the first cantilever and the first lock
Determine knob, the near-end of first cantilever is free end, the distal end of first cantilever is connected with the ring part, and
The first slit being formed through between first cantilever and the locking base portion, the operation to first hook knob make
First slit is tightened up or is unclamped.
4. locking ring as claimed in claim 3, it is characterised in that the sticking department is included through first cantilever and described
The through hole of locking base portion, accommodates screw rod in the through hole, the screw rod with first end and the second end, the first end from
First cantilever extends, and, the first external screw thread is provided with the first end, is arranged in first hook knob
There is the first female thread, first external screw thread is matched each other with first female thread.
5. the locking ring as any one of claims 1 to 3, it is characterised in that the sticking department is also including the second locking
Mechanism, wherein the second locking mechanism includes endoscope hole, endoscope can pass through the endoscope hole, and second lock
The regulation for determining mechanism causes the size in the endoscope hole to change, so as to clamp or unclamp the endoscope.
6. locking ring as claimed in claim 5, it is characterised in that the second locking mechanism includes the second cantilever and the second lock
Determine knob, the near-end of second cantilever is free end, the distal end of second cantilever is connected with the ring part, and with institute
Couple with stating the distal portions of locking base portion, it is narrow between second cantilever and the locking base portion to form nonpenerative second
Groove, the near-end of second slit is open, and the distal end of second slit is closure, and is formed in second slit
There is the endoscope hole, tightening up or unclamping for second slit will be caused to the operation of second hook knob, and then made
Obtain the change in size in endoscope hole.
7. locking ring as claimed in claim 4, it is characterised in that the sticking department also includes second locking mechanism, wherein institute
Stating second locking mechanism includes the second cantilever and the second hook knob, and the near-end of second cantilever is free end, described second
The distal end of cantilever is connected with the ring part, and is coupled with the distal portions of the locking base portion, in second cantilever
Nonpenerative second slit is formed and the locking base portion between, the near-end of second slit is open, and described second is narrow
The distal end of groove is closure, and endoscope hole is formed with second slit, and endoscope can pass through the endoscope hole, with
And, second end of the screw rod extends from second cantilever, and the second external screw thread, institute are provided with second end
State and in the second hook knob, be provided with the second female thread, second external screw thread and second female thread match each other.
8. a kind of to retract device assembly, the traction device assembly includes：
Channel；
Characterized in that, also including the locking ring as any one of claim 1～7, the locking ring removably connects
It is connected on the channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620387064.6U CN206120370U (en) | 2016-04-29 | 2016-04-29 | Lock fixed ring and have this lock fixed ring's retractor subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620387064.6U CN206120370U (en) | 2016-04-29 | 2016-04-29 | Lock fixed ring and have this lock fixed ring's retractor subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206120370U true CN206120370U (en) | 2017-04-26 |
Family
ID=58559547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620387064.6U Active CN206120370U (en) | 2016-04-29 | 2016-04-29 | Lock fixed ring and have this lock fixed ring's retractor subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206120370U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670319A (en) * | 2018-04-26 | 2018-10-19 | 黎庆初 | A kind of intervertebral disc mirror service aisle system |
| CN112890884A (en) * | 2021-02-17 | 2021-06-04 | 苏州法兰克曼医疗器械有限公司 | But fixed angle's operation passageway with multichannel |
-
2016
- 2016-04-29 CN CN201620387064.6U patent/CN206120370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670319A (en) * | 2018-04-26 | 2018-10-19 | 黎庆初 | A kind of intervertebral disc mirror service aisle system |
| CN112890884A (en) * | 2021-02-17 | 2021-06-04 | 苏州法兰克曼医疗器械有限公司 | But fixed angle's operation passageway with multichannel |
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