CN109199483A - A kind of Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices - Google Patents
A kind of Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices Download PDFInfo
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- CN109199483A CN109199483A CN201810856431.6A CN201810856431A CN109199483A CN 109199483 A CN109199483 A CN 109199483A CN 201810856431 A CN201810856431 A CN 201810856431A CN 109199483 A CN109199483 A CN 109199483A
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- fixed link
- sliding
- pawl
- sliding bar
- needle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0491—Sewing machines for surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0464—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors for soft tissue
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- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices, it includes stitching unstrument ontology, and stitching unstrument ontology is made of holding mechanism, sliding equipment and Chi Zhen mechanism；Holding mechanism is connected with sliding equipment and controls the sliding and disassembly of sliding equipment；The front end of sliding equipment is provided with Chi Zhen mechanism and Chi Zhen mechanism is cooperated to complete to suture together；Holding mechanism includes front hand grip, back handle；Front hand grip passes through branchia shaft screw and back handle cross-articulation；Sliding equipment includes sliding bar, fixed link；Sliding bar is connected by bolt with front hand grip activity；Fixed link is structure as a whole with back handle；Chi Zhen mechanism include No.1 hold needle pawl, No. two hold needle pawl；No.1 holds the front end that needle pawl is set to sliding bar；No. two are held the front end that needle pawl is set to fixed link；No.1 holds needle pawl and No. two centers for holding needle pawl are located on same axis.Continuous suture can be achieved in the present invention, is not required to knot, and increases efficiency, saves the time, can be widely applied to the fibrous ring suture in intervertebral disc of lumbar vertebra resection.
Description
Technical field
The present invention relates to a kind of stitching devices more particularly to a kind of Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices.
Background technique
Protrusion of lumber intervertebral disc is one of person in middle and old age's common disease, and patient numbers were in rising trend in recent years, and the whole nation is annual to implement
The patient of lumbar discectomy is also more and more.Although microendoscopic lumbar discectomy can effectively alleviate immediately sciatica and
Radicular symptom, but as time goes by, many patients can recur and need to perform the operation again.Intervertebral disc of lumbar vertebra resection
The probability of patient, postoperative recurrence and re-treatm ent is 20%.
The Research of Animal Model for Study discovery cut by using fibrous ring holostrome: there are fibr tissues at outer layer fiber loop slit
Fibroid healing is presented in hyperplasia, and inner fiber ring is without healing sign.This healing feature and its own blood supply of fibrous ring
Feature is related, and in the outer one third of fibrous ring, fibrous ring has unique vascular distribution, and healing ability is stronger, and inner fiber
But without vascular distribution, healing is difficult cannot even to heal ring.We are in clinical position, and to re-treatm ent, patient is performed the operation
Confirm that protrusion is to cause the major reason of recurrence to residual nucleus pulposus again.In summary described, we are from interverbebral disc anatomical structure and life
Reason function can be seen that reservation and repairing fiber ring is very important.
Although Minimally Invasive Surgery wound is small, postoperative out-of-bed activity is early.However, being open surgery or Minimally Invasive Surgery, there is fibre
Wei Huanliekou, nucleus pulposus are communicated with canalis spinalis, nerve root, and the inflammatory mediator effect stimulation nerve root of nucleus pulposus causes pain in the loins and lower limb fiber crops
Pain symptom.So open surgery and Minimally Invasive Surgery require repairing fiber ring.Fibrous ring suture can restore fibrous ring at once
Integrality is repairing fiber ring defect most straightforward approach.And some fibre ring suture instruments and method of the past, there is with
Lower disadvantage: 1, puncture instrument is coarse, then while suturing can cause new hole to fibrous ring, and biggish hole will cause gel-shaped nucleus pulposus
Exudation, causes inflammatory reaction, is not easy to heal；2, operating process is inconvenient, and suture time is long；3, previous all methods are all a needles
The knotting of one line, the consuming time that knots is longer, operates under especially minimally invasive channel, and knotting wastes time longer.
Summary of the invention
In order to solve shortcoming present in above-mentioned technology, the present invention provides a kind of sutures of Annulus Fibrosus of Lumbar Intervertebral Discs to fill
It sets.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of Annulus Fibrosus of Lumbar Intervertebral Discs suture dress
It sets, including stitching unstrument ontology, stitching unstrument ontology is made of holding mechanism, sliding equipment and Chi Zhen mechanism；Holding mechanism and sliding
Mechanism is connected and controls the sliding and disassembly of sliding equipment；The front end of sliding equipment, which is provided with Chi Zhen mechanism and cooperates, holds needle machine
Structure is completed to suture together；
Holding mechanism includes front hand grip, back handle；Front hand grip passes through branchia shaft screw and back handle cross-articulation；Front hand grip with
Elastic reset piece is provided between back handle；The left end of elastic reset piece, right end are connected with front hand grip, back handle respectively；Afterwards
The upper end of handle offers limiting slot, and rotatable limited block is provided in limiting slot；Limited block passes through pin shaft and back handle phase
Connection；Limited block is locked and is unlocked to front hand grip by rotation, to realize the control to sliding equipment, is convenient for skate machine
Structure is separated and is cleaned；
Sliding equipment includes sliding bar, fixed link；Sliding bar is connected by bolt with front hand grip activity；It is arranged on sliding bar
There is No.1 controller；Fixed link is structure as a whole with back handle；No. two controllers are provided in fixed link；The front end of fixed link is set
It is equipped with U-shaped notch, for deepening the depth of suture；It is provided with multiple fixed sliding blocks on sliding bar, matches and offers in fixed link
One or more sliding rails, sliding bar slide back and forth along the sliding rail of fixed link；
Chi Zhen mechanism include No.1 hold needle pawl, No. two hold needle pawl；No.1 holds the front end that needle pawl is set to sliding bar；No.1 is held
Needle pawl is divided into fixed jaw, movable claw；The other end of movable claw is connected with tension wire；Tension wire passes through the inside of sliding bar
It is connected with No.1 controller, the folding that No.1 holds needle pawl is controlled by tension wire；
No. two are held the front end that needle pawl is set to fixed link；It holds needle pawl for No. two and is divided into fixed jaw, movable claw；Movable claw it is another
End is connected with tension wire；The inside that tension wire passes through fixed link is connected with No. two controllers, and needle pawl is held in control two
Folding；No.1 holds needle pawl and No. two centers for holding needle pawl are located on same axis, No.1 hold needle pawl, No. two hold needle pawl with
The radian of sewing needle cooperates, and facilitates locking sewing needle and does not loosen.
Further, sliding bar is located at the upper end of fixed link, and notch upward is provided between sliding bar and fixed link.
Further, sliding bar is located at the lower end of fixed link, and notch directed downwardly is provided between sliding bar and fixed link.
Further, sliding bar, fixed link are linear or sliding bar and fixed link is " Z " font to match.
Further, the front end of fixed link is vertically provided with U-shaped notch.
Further, sliding bar, fixed link front be provided with radian.
Further, No.1 controller is L-type passage, is provided with pull rod, the bottom of pull rod and tension wire in L-type passage
It is connected；Pull rod realizes that the locking for holding needle pawl to No.1 controls along L-type passage sliding.
Further, No. two controllers are L-type passage, are provided with pull rod, the bottom of pull rod and tension wire in L-type passage
It is connected；Pull rod is realized along L-type passage sliding and is controlled No. two lockings for holding needle pawl.
The present invention handles sewing needle formula is operated straight up and down using holding needle claw clip, in sewing process, not only stock-type handle
Needle pawl is held in gripping that can be very steady, and trigger-type suture makes sewing needle is not only steady but also quasi- to pass through fibrous ring, has greatly reinforced operation
Safety, smooth quick, stitching speed is fast, realizes the best boundary of steady, quasi-, fast operation, healing rate is fast, and sutures
Cheng Zhong, only sewing needle and suture pass through fibrous ring, significantly reduce the damage to fibrous ring, while suture is not required to beat
Knot, so that it may realize continuous suture, greatly reduce operating time.In addition, the present invention can both grasp under open surgery direct-view
Make, can also be operated under minimally invasive channel, it might even be possible to it operates, has a wide range of application under diameter 4mm foramen intervertebrale lens service aisle,
It can be widely applied to the fibrous ring suture in intervertebral disc of lumbar vertebra resection.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the overall structure diagram of the embodiment of the present invention two.
Fig. 3 is the overall structure diagram of the embodiment of the present invention three.
Fig. 4 is the overall structure diagram of the embodiment of the present invention four.
Fig. 5 is the overall structure diagram of the embodiment of the present invention five.
Fig. 6 is the structural schematic diagram that No.1 holds needle pawl.
Fig. 7 is No. two structural schematic diagrams for holding needle pawl.
Fig. 8 is the structural schematic diagram of sewing needle.
In figure: 1, front hand grip；2, back handle；3, elastic reset piece；4, limited block；5, sliding bar；6, fixed link；7, No.1
Hold needle pawl；8, needle pawl is held for No. two；9, No.1 controller；10, No. two controllers.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
Embodiment one: a kind of Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices as shown in Figure 1, including stitching unstrument ontology, stitching unstrument
Ontology is made of holding mechanism, sliding equipment and Chi Zhen mechanism；Holding mechanism is connected with sliding equipment and controls sliding equipment
Sliding and disassembly；The front end of sliding equipment is provided with Chi Zhen mechanism and Chi Zhen mechanism is cooperated to complete to suture together；Fixed link 6 with
The front end of sliding bar 5 is provided with notch upward.No.1 hold needle pawl 7, No.1 controller 9, two hold needle pawl 8, two controls
Sewing needle is grasped under the cooperation of device 10 to be sutured.With stitching unstrument ontology and hold needle claw clip handle sewing needle straight up and down formula suture
Operation.
Holding mechanism includes front hand grip 1, back handle 2；Front hand grip 1 passes through branchia shaft screw and 2 cross-articulation of back handle；Remote holder
Elastic reset piece 3 is provided between handle 1 and back handle 2；The left end of elastic reset piece 3, right end respectively with front hand grip 1, back handle 2
It is connected；The upper end of back handle 2 offers limiting slot, and rotatable limited block 4 is provided in limiting slot；Limited block 4 passes through pin
Axis is connected with back handle 2；Limited block 4 is locked and is unlocked to front hand grip 1 by rotation, to realize to sliding equipment
Control, separates and is cleaned convenient for sliding equipment；The upper end of front hand grip 1 passes through limiting slot, and limited block 4 and front hand grip 1 are mutual
When contact, limited block 4 locks front hand grip 1, and sliding bar 5 and fixed link 6 is made to be in closed state；When rotary spacing block 4 make its with
Front hand grip 1 separates, then limited block 4 releases the locking to front hand grip 1, and sliding bar 5 and fixed link 6 is made to be in discrete state, convenient
It is cleaned, instrument is not shaken when operation.
Sliding equipment includes sliding bar 5, fixed link 6；Sliding bar 5 is located at the upper end of fixed link 6.Sliding bar 5 passes through bolt
Connect with 1 activity of front hand grip；No.1 controller 9 is provided on sliding bar 5；Fixed link 6 is structure as a whole with back handle 2；It is fixed
No. two controllers 10 are provided on bar 6；The front end of fixed link 6 is straight to reduce front end size, facilitates suture.Sliding bar 5
On be provided with multiple fixed sliding blocks, matching offers one or more sliding rails in fixed link 6, and sliding rail can be " T "
Shape, circle, ellipse etc., sliding bar 5 slide back and forth along the sliding rail of fixed link 6；
Chi Zhen mechanism includes that No.1 holds needle pawl 7, two and holds needle pawl 8；No.1 holds the front end that needle pawl 7 is set to sliding bar 5；Such as
Shown in Fig. 6, No.1 is held needle pawl 7 and is divided for fixed jaw, movable claw；The other end of movable claw is connected with tension wire；Tension wire
Inside across sliding bar 5 is connected with No.1 controller 9, controls the folding that No.1 holds needle pawl 7 by tension wire；No.1 control
Device 9 processed is L-type passage, is provided with pull rod in L-type passage, the bottom of pull rod is connected with tension wire；Pull rod is sliding along L-type passage
It is dynamic to realize that the locking for holding needle pawl 7 to No.1 controls.
No. two are held the front end that needle pawl 8 is set to fixed link 6；As shown in fig. 7, No. two are held needle pawl 8 and divided for fixed jaw, activity
Pawl；The other end of movable claw is connected with tension wire；The inside that tension wire passes through fixed link 6 is connected with No. two controllers 10
It connects, the folding of needle pawl 8 is held in control two；No.1 holds needle pawl 7 and No. two centers for holding needle pawl 8 are located on same axis, No.1
It holds needle pawl 7, two and holds needle pawl 8 with the cooperation of the radian of sewing needle, facilitate locking sewing needle and do not loosen.No. two controllers 10 are
L-type passage is provided with pull rod in L-type passage, and the bottom of pull rod is connected with tension wire；Pull rod is slided along L-type passage and is realized
No. two lockings for holding needle pawl 8 are controlled.9, No. two controllers 10 of No.1 controller are arranged in ipsilateral or heteropleural.
Application method of the invention is, the specific steps are as follows:
1) needle pawl 7 is held by pulling the release of No.1 controller 9 No.1, so that No.1 is held needle pawl 7 and open mouth, sewing needle is inserted into
No.1 holds needle pawl 7, pulls No.1 controller 9, so that No.1 is held needle pawl 7 and firmly grasps sewing needle；Sewing needle is as shown in figure 8, be divided into folder
Hold portion, lower clamping part, intermediate pin hole three parts；Suture is installed at the middle part pin hole of sewing needle；The material of suture is clinic
Institute's use production suture material it is any, can be smooth suture, or band hangnail suture；
2) stitching unstrument ontology is placed in fibrous ring breach through service aisle, holds needle pawl 8 for No. two and be put into intervertenral space, will lacks
Mouthful close to fibrous ring, front hand grip 1 is detained, so that No.1 is held needle pawl 7 and stitch bite of the needle into fibrous ring and is inserted into No. two and holds among needle pawl 8
Indentation, there pulls No. two closures of controllers 10 two and holds needle pawl 8 and lock, pushes needle holder further along and extract seam from fibrous ring
Close needle；
3) 180 ° of rotating stitching instrument ontologies make the another side of stitching unstrument ontology notch alignment fibrous ring breach, above propose suture
Device ontology makes sewing needle from-inner-to-outer stitch out fibrous ring, and exposed portion sewing needle；
4) pull No.1 controller 9, make No.1 hold needle pawl 7 pawl valve open, pull front hand grip 1 make No.1 hold needle pawl 7 to
Advance, sewing needle enters No.1 and hold 7 central indentation of needle pawl, pulls No.1 controller 9 No.1 is made to hold needle pawl 7 and firmly grasp sewing needle and lock
It is fixed；
5) pulling No. two controllers 10 makes No. two to hold the release sewing needle of needle pawl 8, above mentions stitching unstrument ontology and extracts sewing needle, this
Sample completes the suture program of a needle；
6) when needing continuous suture, then 180 ° of rotating stitching instrument ontologies, make stitching unstrument ontology notch aligned fibers ring crack again
This one side of mouth, repeats the above steps and is continuously sutured, until arriving the end of breach, completes continuously to suture, final sewing needle
Outside fibrous ring；
7) it unclamps and holds needle pawl, unclamp sewing needle, extract stitching unstrument ontology out, cut suture, take out sewing needle；
8) pull suture, until taking out tightly, the knot of side the end of a thread is stuck in fibrous ring and takes off without taking out, other side the end of a thread line
Folder clamps；Wire clamp is not had to if using band hangnail suture, last line tail portion is cut.
Embodiment two:
As shown in Fig. 2, sliding bar 5 is located at the lower end of fixed link 6, directed downwardly lack is provided between sliding bar 5 and fixed link 6
Mouthful.
Embodiment three:
As shown in figure 3, sliding bar 5 and fixed link 6 are " Z " font to match.
Example IV:
As shown in figure 4, the front end of fixed link 6 is vertically provided with U-shaped notch, for deepening the depth of suture.
Embodiment five:
As shown in figure 5, the front of sliding bar 5, fixed link 6 is provided with radian, to expand suture size.
Above embodiment is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the scope of technical solution of the present invention, also belong to this hair
Bright protection scope.
Claims (8)
1. a kind of Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices, including stitching unstrument ontology, it is characterised in that: the stitching unstrument ontology is by holding
Hold mechanism, sliding equipment and Chi Zhen mechanism composition；The holding mechanism is connected with sliding equipment and controls the cunning of sliding equipment
Dynamic and disassembly；The front end of the sliding equipment is provided with Chi Zhen mechanism and Chi Zhen mechanism is cooperated to complete to suture together；
The holding mechanism includes front hand grip (1), back handle (2)；The front hand grip (1) passes through branchia shaft screw and back handle (2)
Cross-articulation；Elastic reset piece (3) are provided between front hand grip (1) and back handle (2)；The left end of elastic reset piece (3), right end
It is connected respectively with front hand grip (1), back handle (2)；The upper end of the back handle (2) offers limiting slot, setting in limiting slot
There are rotatable limited block (4)；The limited block (4) is connected by pin shaft with back handle (2)；Limited block (4) passes through rotation
Front hand grip (1) is locked and unlocked, to realize the control to sliding equipment, separated convenient for sliding equipment and carry out and is clear
It washes；
The sliding equipment includes sliding bar (5), fixed link (6)；The sliding bar (5) passes through bolt and front hand grip (1) activity
Connect；No.1 controller (9) are provided on sliding bar (5)；The fixed link (6) is structure as a whole with back handle (2)；Fixed link
(6) No. two controllers (10) are provided on；The front end of fixed link (6) is provided with U-shaped notch, for deepening the depth of suture；Institute
It states and is provided with multiple fixed sliding blocks on sliding bar (5), matching offers one or more sliding rails in fixed link (6), slides
Bar (5) slides back and forth along the sliding rail of fixed link (6)；
The Chi Zhen mechanism include No.1 hold needle pawl (7), No. two hold needle pawl (8)；The No.1 holds needle pawl (7) and is set to sliding bar
(5) front end；No.1 holds needle pawl (7) and is divided into fixed jaw, movable claw；The other end of movable claw is connected with tension wire；Pulling force
The inside that steel wire passes through sliding bar (5) is connected with No.1 controller (9), controls No.1 by tension wire and holds needle pawl (7)
Folding；
Described No. two are held the front end that needle pawl (8) is set to fixed link (6)；It holds needle pawl (8) for described No. two and is divided into fixed jaw, activity
Pawl；The other end of movable claw is connected with tension wire；Inside and No. two controllers (10) of the tension wire across fixed link (6)
It is connected, the folding of needle pawl (8) is held in control two；The No.1 hold center that needle pawl (7) holds needle pawl (8) with No. two be located at it is same
On axis, No.1 hold needle pawl (7), No. two hold needle pawl (8) and cooperate with the radian of sewing needle, help to lock sewing needle not loose
It is dynamic.
2. Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices according to claim 1, it is characterised in that: the sliding bar (5) is located at
The upper end of fixed link (6) is provided with notch upward between sliding bar (5) and fixed link (6).
3. Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices according to claim 1, it is characterised in that: the sliding bar (5) is located at
The lower end of fixed link (6) is provided with notch directed downwardly between sliding bar (5) and fixed link (6).
4. Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices according to claim 2 or 3, it is characterised in that: the sliding bar (5),
Fixed link (6) is linear or sliding bar (5) and fixed link (6) are " Z " font to match.
5. Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices according to claim 4, it is characterised in that: before the fixed link (6)
End is vertically provided with U-shaped notch.
6. Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices according to claim 5, it is characterised in that: the sliding bar (5) is fixed
The front of bar (6) is provided with radian.
7. Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices according to claim 6, it is characterised in that: the No.1 controller (9)
For L-type passage, it is provided with pull rod in L-type passage, the bottom of pull rod is connected with tension wire；Pull rod slides real along L-type passage
The locking for now holding needle pawl (7) to No.1 controls.
8. Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices according to claim 7, it is characterised in that: No. two controllers (10)
For L-type passage, it is provided with pull rod in L-type passage, the bottom of pull rod is connected with tension wire；Pull rod slides real along L-type passage
Now No. two lockings for holding needle pawl (8) are controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810856431.6A CN109199483A (en) | 2018-07-31 | 2018-07-31 | A kind of Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810856431.6A CN109199483A (en) | 2018-07-31 | 2018-07-31 | A kind of Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices |
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| Publication Number | Publication Date |
|---|---|
| CN109199483A true CN109199483A (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810856431.6A Withdrawn CN109199483A (en) | 2018-07-31 | 2018-07-31 | A kind of Annulus Fibrosus of Lumbar Intervertebral Discs stitching devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190359A (en) * | 2020-10-13 | 2021-01-08 | 浙江省立同德医院 | Percutaneous puncture fibrous ring intervertebral disc degenerative cutting model building device and operation method thereof |
-
2018
- 2018-07-31 CN CN201810856431.6A patent/CN109199483A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190359A (en) * | 2020-10-13 | 2021-01-08 | 浙江省立同德医院 | Percutaneous puncture fibrous ring intervertebral disc degenerative cutting model building device and operation method thereof |
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Application publication date: 20190115 |
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