CN207640475U - Intervertebral foramen expands the device of forming in a kind of operation of foramen intervertebrale lens - Google Patents
Intervertebral foramen expands the device of forming in a kind of operation of foramen intervertebrale lens Download PDFInfo
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- CN207640475U CN207640475U CN201720747447.4U CN201720747447U CN207640475U CN 207640475 U CN207640475 U CN 207640475U CN 201720747447 U CN201720747447 U CN 201720747447U CN 207640475 U CN207640475 U CN 207640475U
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- guide rod
- foramen
- articular process
- outer diameter
- level
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Abstract
The utility model is related to medical instrument, the device that intervertebral foramen in a kind of foramen intervertebrale lens operation expands forming is disclosed.The utility model includes pricker, seal wire, level-one guide rod, two level guide rod, three-level guide rod, protection sleeve, articular process locating rod.The utility model can both arrange in pairs or groups trepan use, and the articular process that can also arrange in pairs or groups pilot pin and bone drill use.Intervertebral foramen in foramen intervertebrale lens technology is set to expand forming using utility model device, it is possible to reduce to be destroyed to articular process, avoid the iatrogenic generation for causing unstable spine and accelerating lumbar degenerative, patient is also made to reduce duration and dosage by x-ray bombardment.
Description
Technical field
The utility model is related to medical instruments, more particularly to intervertebral foramen expands forming and work set in foramen intervertebrale lens operation
The merging of cylinder.
Background technology
Protrusion of the intervertebral disc incidence is higher, is one of most common reason of pain in waist and lower extremities, with modern humans' rhythm of life
Change and improvement of living standard, illness rate is in apparent ascendant trend, and tends to rejuvenation, annoyings countless patients always.
With the development of minimal invasive techniques and the accumulation of surgical experience, minimally invasive spine surgical has begun gradually to replace outside traditional backbone
Section performs the operation.Foramen intervertebrale lens technology is clinically carried out extensively due to the advantages such as small with wound, curative for effect.
TESSYS technologies are the representative technology of percutaneous foramen intervertebrale lens technology.Its first part to perform the operation is that intervertebral foramen expands
Big forming and the merging of work sleeve.The expansion forming of intervertebral foramen is the processing of upper joint, and the method for mainstream has two at present
Kind：One is the trepan system of Joimax companies, another kind is the hollow bone drill system of Maxmore.
Current above-mentioned binomial method does not quantify the removal of facet joint, only during intervertebral foramen expands and shapes
By being enlarged for normal dia 7.6mm-8.5mm trepans or bone drill, has and articular process is destroyed excessive, have and iatrogenic cause ridge
Column shakiness and acceleration lumbar degenerative etc. may.Moreover, aforementioned binomial method, during intervertebral foramen expands and shapes, guide rod is determined
Position is not accurate enough, firm, other than increasing to articular process damage area, when being observed by means of radioscopy, also makes patient
The duration and dosage of exposure are relatively high.
Utility model content
In view of this, the device for expanding forming it is necessory to provide intervertebral foramen in a kind of operation of foramen intervertebrale lens, it includes thorn
Needle, seal wire, level-one guide rod, two level guide rod, three-level guide rod, protection sleeve, articular process locating rod, wherein：
Level-one guide rod is hollow cylindrical, and front end is conical, and the outer diameter of internal diameter and seal wire matches；
Two level guide rod is hollow cylindrical, and front end is cone, and the outer diameter of internal diameter and level-one guide rod matches；
Three-level guide rod is hollow cylindrical, and front end is cone, and the outer diameter of internal diameter and two level guide rod matches；
Protection sleeve is hollow cylindrical, and front end is in duck tongue shaped, and the outer diameter of internal diameter and three-level guide rod matches；
Articular process locating rod is hollow cylindrical, and internal diameter matches with level-one guiding bar outer diameter, outer diameter and three-level guide rod
Internal diameter matches, and head is notch sample, and interface is arc-shaped, and tip is round and smooth inclined-plane, and it is related that tail portion corresponds to barbed portion
In the label of length and direction.
Further, the utility model can arrange in pairs or groups trepan use：Trepan is hollow, internal diameter and articular process locating rod outer diameter
Match, the internal diameter of outer diameter and protection sleeve matches, and front end is band saw dentation, and there is handle in tail portion, does not calculate the portion of handle
Divide its length to be more than and protect sleeve, there are scale and the deep device of limit in the junction of tail portion and handle.
Further, can also arrange in pairs or groups articular process pilot pin and bone drill of the utility model uses, wherein：
Articular process pilot pin is solid needle-shaped, and outer diameter and the internal diameter of articular process locating rod match；
Bone drill is hollow cylindrical, and internal diameter and the outer diameter of articular process pilot pin match, and outer diameter is less than protection sleeve
Internal diameter.
Compared with prior art, to joint when the technical solution of the utility model reduces the expansion plastic operation of intervertebral foramen
Prominent destruction reduces duration and dosage of the patient by x-ray bombardment；It is the accurate positioning of guide rod, firm.
Description of the drawings
Fig. 1 is the sectional view of the utility model level-one guide rod.
Fig. 2 is the sectional view of the utility model two level guide rod.
Fig. 3 is the sectional view of the utility model three-level guide rod.
Fig. 4 is the schematic diagram that the utility model protects sleeve.
Fig. 5 is the schematic diagram of the utility model articular process locating rod.
Fig. 6 is the front view of the utility model trepan.
Fig. 7 is the schematic diagram of the utility model bone drill.
Specific implementation mode
Below with reference to attached drawing, the utility model is described in further detail.
As shown in figs. 1-7, the first implementation is to be used for intervertebral foramen of lumbar vertebra videoendoscopic surgery：
1）Using puncture needle percutaneous puncture, facet joint or facet joint through target intervertebral foramen reach Lumbar intervertebral disc protrusion disease
Become position.This step must determine under X-ray examination, and on reverse S-line of Golden, the needle point of puncture needle is located at lateral margin line in pedicle of vertebral arch,
As upper, the needle point of puncture needle is located at lesion gap centrum rear for side position.
2）Tip position is specifically adjusted according to the position of disc herniation, is inserted into seal wire through puncture needle later.
3）Lesion gap centrum rear is arrived through being inserted in level-one guide rod 1 on the outside of articular process abdomen along seal wire, i.e., in puncture needle needle point
Position mutually exist together, this step must determine the position of loop bar tip under X-ray examination.
4）Two level guide rod 2 is used to expand through between skin and intervertebral foramen to processus articular superior back of the body outside along the top of level-one guide rod 1
Soft tissue channel, three-level guide rod 3 continue to expand soft tissue channel along two level guide rod 2.
5）The protection sleeve 4 of internal diameter and the matched duck tongue shaped of 2 outer diameter of three-level guide rod, duck tongue shaped are inserted in along three-level guide rod 3
Length is 18mm.
6）Seal wire and two level guide rod 2, three-level guide rod 3 are extracted, level-one guide rod 1 and protection sleeve 4 are retained.
7）Be inserted in articular process locating rod 5 along level-one loop bar 1, head be nick shaped be half circular arc, length is
18mm pays attention to the label about notch direction in guiding bar, by the barbed portion of its front in face of processus articular superior facies ventralis be inserted in into
Enter intervertebral foramen, notch is just stuck in articular process abdomen lateral surface.The protection sleeve 4 of duck tongue shaped can be into along articular process locating rod 5
One step merging intervertebral foramen is inserted in articular process.
8）Enter trepan 6 to processus articular superior abdomen lateral surface along articular process positioning arm cover 5, saws deossification using front end sawtooth, expand
Big intervertebral foramen.
9）5 nick shaped of fine tuning articular process locating rod is stuck in the specific location of articular process abdomen lateral surface, synchronous micro-adjusting duck tongue shaped
Protection sleeve 4 be placed in intervertebral foramen along articular process locating rod 5 and be inserted in articular process specific location, utilize 6 front end sawtooth saw of trepan
Deossification precisely expands intervertebral foramen.
Of particular note is that：On the one hand, 5 nick shaped purpose of design of articular process locating rod is to be stuck in outside articular process abdomen
Side, according to specific operation needs, can select its head Notched specimens be half circular arc, one third circular arc, three points
Two circular arcs or other sizes circular arc；On the other hand, 5 barbed portion length of articular process locating rod and protection 4 duck tongue shaped of sleeve
Partial length should be adapted certainly, according to the specific needs of operation, can also select other sizes.The selection of these sizes
Should also be as belonging to the scope of protection of the utility model, and the scope of protection of the utility model should not be confined to embodiment it
On.It is not repeated to illustrate below.
Its second of implementation is to be used for intervertebral foramen of lumbar vertebra videoendoscopic surgery：
1）Using puncture needle percutaneous puncture, facet joint or facet joint through target intervertebral foramen reach Lumbar intervertebral disc protrusion disease
Become position.This step must determine under X-ray examination, and on reverse S-line of Golden, the needle point of puncture needle is located at lateral margin line in pedicle of vertebral arch,
As upper, the needle point of puncture needle is located at lesion gap centrum rear for side position.
2）Tip position is specifically adjusted according to the position of disc herniation, is inserted into seal wire through puncture needle later.
3）Lesion gap centrum rear is arrived through being inserted in level-one guide rod 1 on the outside of articular process abdomen along seal wire, i.e., in puncture needle needle point
Position mutually exist together, this step must determine the position of loop bar tip under X-ray examination.
4）Two level guide rod 2 is used to carry on the back outside along level-one guide rod top to processus articular superior, expands through between skin and intervertebral foramen
Soft tissue channel, three-level guide rod 3 continue to expand soft tissue channel along two level guide rod 2.
5）The protection sleeve 4 of internal diameter and the matched duck tongue shaped of 3 outer diameter of three-level guide rod, duck tongue shaped are inserted in along three-level guide rod 3
Length is 18mm.
6）Seal wire and two level guide rod 2, three-level guide rod 3 are extracted, level-one guide rod 1 and protection sleeve 4 are retained.
7）Be inserted in articular process locating rod 5 along level-one loop bar 1, head be nick shaped be half circular arc, length is
18mm pays attention to the label about notch direction in guiding bar, and the barbed portion of its front is inserted in face of processus articular superior facies ventralis
Into intervertebral foramen, notch is just stuck in articular process abdomen lateral surface.The protection sleeve of duck tongue shaped can be into along articular process locating rod
One step merging intervertebral foramen is inserted in articular process
8）Arrange in pairs or groups pilot pin and bone drill 8 uses, and articular process pilot pin is solid needle-shaped, has a some strength, outer diameter with
The internal diameter of articular process locating rod matches.Hollow space along articular process locating rod is placed in articular process pilot pin, and articular process is determined
Position needle is accurately positioned on the outside of the abdomen of articular process or tip.
9）Take out articular process locating rod 5.
10）Bone drill 8 is hollow cylindrical, and internal diameter and the outer diameter of articular process pilot pin match, and outer diameter is less than protection
The internal diameter of sleeve 4 is inserted in bone drill 8 along articular process pilot pin, bores 8 using bone drill and cuts sclerotin, precisely expands intervertebral foramen.
It is important to note that since cervical vertebra has a large amount of nerves, in operation practice at present, rarely lead to
The operation of trepan or bone drill cutting intervertebral foramen is crossed, 5 nick shaped purpose of design of articular process locating rod provided by the utility model is
It is stuck between the section articular process abdomen of cervical vertebra two, according to specific operation needs, it is 1 to 3 millimeter that can select nick shaped partial-length.This
The selection of a little sizes should also be as belonging to the scope of protection of the utility model, and should not limit to the scope of protection of the utility model
On embodiment.
The explanation of above example is only intended to the method and its core concept that help understands the utility model.It should refer to
Go out, it for those skilled in the art, without departing from the principle of this utility model, can also be to this
Some improvement and modification can also be carried out for utility model, these improvement and modification also fall into the protection domain of the utility model claims
It is interior.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (7)
1. intervertebral foramen expands the device of forming in a kind of foramen intervertebrale lens operation, which is characterized in that led including pricker, seal wire, level-one
Bar（1）, two level guide rod（2）, three-level guide rod（3）, protection sleeve（4）, articular process locating rod（5）；
The level-one guide rod（1）For hollow cylindrical, front end is conical, and the outer diameter of internal diameter and seal wire matches；
The two level guide rod（2）For hollow cylindrical, front end is cone, internal diameter and level-one guide rod（1）Outer diameter phase
Match；
The three-level guide rod（3）For hollow cylindrical, front end is cone, internal diameter and two level guide rod（2）Outer diameter phase
Match；
The protection sleeve（4）For hollow cylindrical, front end is in duck tongue shaped, internal diameter and three-level guide rod（3）Outer diameter phase
Match；
The articular process locating rod（5）For hollow cylindrical, internal diameter and level-one guide rod（1）Outer diameter matches, outer diameter and three-level
Guide rod（3）Internal diameter match, head be notch sample, interface is arc-shaped, tip be round and smooth inclined-plane, tail portion correspond to notch
Partly about the label of length and direction.
2. intervertebral foramen expands the device of forming in foramen intervertebrale lens operation according to claim 1, which is characterized in that further include
Trepan（6）；
The trepan（6）To be hollow, internal diameter and articular process locating rod（5）Outer diameter matches, outer diameter and protection sleeve（4）It is interior
Diameter matches, and front end is band saw dentation, and there is handle in tail portion（7）, its length of the part of handle is not calculated is more than protection sleeve
（4）, tail portion and handle（7）Junction have scale and the deep device of limit.
3. intervertebral foramen expands the device of forming in foramen intervertebrale lens operation according to claim 1, which is characterized in that further include
Articular process pilot pin, bone drill（8）；
The articular process pilot pin is solid needle-shaped, outer diameter and articular process locating rod（5）Internal diameter match；
The bone drill（8）For hollow cylindrical, internal diameter and the outer diameter of articular process pilot pin match, and outer diameter is less than protection
Sleeve（4）Internal diameter.
4. expanding the device of forming according to intervertebral foramen in any foramen intervertebrale lens operation described in claim 1-3, which is characterized in that institute
The articular process locating rod stated（5）Head is in notch sample, and section is half or one third circular arc.
5. expanding the device of forming according to intervertebral foramen in any foramen intervertebrale lens operation described in claim 1-3, which is characterized in that institute
The protection sleeve stated（4）Front end duck tongue shaped partial-length and articular process locating rod（5）Head notch sample partial-length is suitable.
6. intervertebral foramen expands the device shaped in foramen intervertebrale lens operation according to claim 5, which is characterized in that the pass
The prominent locating rod of section（5）Head is in notch sample, and notch sample partial-length is 15 to 20 millimeters.
7. intervertebral foramen expands the device shaped in foramen intervertebrale lens operation according to claim 5, which is characterized in that the pass
The prominent locating rod of section（5）Head is in notch sample, and notch sample partial-length is 1 to 3 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720747447.4U CN207640475U (en) | 2017-06-26 | 2017-06-26 | Intervertebral foramen expands the device of forming in a kind of operation of foramen intervertebrale lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720747447.4U CN207640475U (en) | 2017-06-26 | 2017-06-26 | Intervertebral foramen expands the device of forming in a kind of operation of foramen intervertebrale lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207640475U true CN207640475U (en) | 2018-07-24 |
Family
ID=62886164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720747447.4U Expired - Fee Related CN207640475U (en) | 2017-06-26 | 2017-06-26 | Intervertebral foramen expands the device of forming in a kind of operation of foramen intervertebrale lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207640475U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111759365A (en) * | 2020-06-30 | 2020-10-13 | 广州中医药大学第一附属医院 | Intervertebral foramen shaping surgical instrument |
| CN113384317A (en) * | 2021-04-30 | 2021-09-14 | 复旦大学附属中山医院 | Intervertebral foramen mirror operation device and use method |
| NL2030207A (en) * | 2021-01-28 | 2022-05-12 | Univ Yangzhou | Auxiliary guide device for placing solid nail in spinal minimally invasive surgery |
-
2017
- 2017-06-26 CN CN201720747447.4U patent/CN207640475U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111759365A (en) * | 2020-06-30 | 2020-10-13 | 广州中医药大学第一附属医院 | Intervertebral foramen shaping surgical instrument |
| NL2030207A (en) * | 2021-01-28 | 2022-05-12 | Univ Yangzhou | Auxiliary guide device for placing solid nail in spinal minimally invasive surgery |
| LU500964A1 (en) * | 2021-01-28 | 2022-08-09 | Univ Yangzhou | Auxiliary Guide Device for Placing Solid Nail in Spinal Minimally Invasive Surgery |
| CN113384317A (en) * | 2021-04-30 | 2021-09-14 | 复旦大学附属中山医院 | Intervertebral foramen mirror operation device and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20190626 |