CN103976779A - Intervertebral foramen mirror puncturing system - Google Patents
Intervertebral foramen mirror puncturing system Download PDFInfo
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- CN103976779A CN103976779A CN201410241165.8A CN201410241165A CN103976779A CN 103976779 A CN103976779 A CN 103976779A CN 201410241165 A CN201410241165 A CN 201410241165A CN 103976779 A CN103976779 A CN 103976779A
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- sleeve pipe
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- articular process
- trepan
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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
- A61B17/34—Trocars; Puncturing needles
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive 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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
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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
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/147—Surgical saws ; Accessories therefor with circularly moving saw blades, i.e. non-reciprocating saw blades
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3433—Cannulas with different outer diameters of the cannula
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
- A61B2017/3449—Cannulas used as instrument channel for multiple instruments whereby the instrument channels merge into one single channel
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
- A61B2017/3456—Details of tips blunt
Abstract
The invention relates to medical instruments, and discloses an intervertebral foramen mirror puncturing system. The intervertebral foramen mirror puncturing system comprises a one-level cannula, a two-level cannula, an opening awl, an anchor needle and a ring saw. The awl head of the opening awl is provided with a protection shoulder, the head end of the anchor needle is provided with a self-tapping thread and is blunt, the blunt head of the anchor needle is designed not to cause hurt easily when penetrating through the zygopophysis to be close to the nerve, and the bone way can be adjusted more easily and conveniently through the self-tapping thread of the head end of the anchor needle. The ring saw is used for cutting the zygopophysis from the side face by the angle by which the anchor needle enters the canalis vertebralis to expand the bone way until the diameter of the bone way is enough for an endoscope to be placed. By means of the intervertebral foramen mirror puncturing system, the puncturing process of the lumbar vertebra intervertebral foramen mirror operation is obviously simplified, operation is reliable and practical, the operation safety and the operation successful rate are improved, and the parts, exposed to the radiation, of an operator and a patient are greatly reduced.
Description
Technical field
The present invention relates to medical apparatus and instruments, particularly foramen intervertebrale lens lancing system.
Background technology
As everyone knows, intervertebral disc prolapse is a kind of common disease, brings very large misery to patient.Treat this kind of disease.Traditional operation comprises vertebral lamina fenestration Nuclectomy and way of escape vertebrae plate resection spinal canal decompression pedicle screw fixation, operation wound is large, hemorrhage many, the post-operative recovery time is long, especially when after row internal fixation of spine, easily there is the complication such as regression acceleration in the adjacent lumbar vertebra of Fusion levels, brings new discomfort to patient.Wherein, interior is fixedly as fixing lumbar vertebras such as screws with apparatus.
China Patent No. 201020186910.0 discloses a kind of " cervical intervertebral disk minimally invasive surgery system ", instrument to the descending interventional therapy of cervical vertebra percutaneous puncture is improved, this system is placed guide pin, convergent divergent channel, working column and trepan under x x ray fluoroscopy x, 2 grades of expansions enter intervertebral disc, its advantage is Wicresoft, complication is low, and rehabilitation is fast.
And this interventional therapy carries out under x ray Image-guided, after utilizing instrument to be punctured in intervertebral disc of cervical vertebra, utilize working column as passage, then put into the operation tools such as radio frequency through this passage, without scope, that is to say be blind depending under carry out the operation of intervertebral disc, doctor is carrying out in medical process, often needs safety, is punctured to diseased region accurately.Fluoroscopy location has increased patient and doctor and has accepted the infringement amount of x ray repeatedly, and locating inaccurately can affect therapeutic effect; Meanwhile, the structural design of parts is not suitable for intervertebral disc operation yet.
At present, foramen intervertebrale lens operation is the operation to the best minimally-invasive treatment prolapse of lumbar intervertebral disc of patient trauma minimum, effect in similar operation, is described as " green ecological operation ".Foramen intervertebrale lens technology by means of this physiological structure percutaneous puncture of intervertebral foramina to lumbar vertebra, and by intervertebral foramina important bone composition---superior articular process wears down after shaping, service pipe is inserted to canalis spinalis, and scope and operating theater instruments directly enter canalis spinalis by service pipe, process pathological tissues.Foramen intervertebrale lens technology can be clearly seen that the osseous tissue of outstanding vertebral pulp, nerve root, dural sac and hypertrophy under endoscope's direct-view.Then use all kinds of nippers to extract to remove under outstanding tissue, mirror hypertrophy sclerotin and calcified tissue, radio-frequency electrode that damaged annulus fibrosus disci intervertebralis is shaped and is repaired.
Particularly TESSYS Wicresoft foramen intervertebrale lens technology, because its wound is little, recover fast, the good feature of curative effect, is subject to doctor's favor just day by day.TESSYS technology comprises 3 grades of punctures, and the apparatus of every one-level comprises guide rod, sleeve pipe, trepan, first inserts guide rod, then sleeve pipe at the same level is set on guide rod, then trepan at the same level is set to cutting of row articular process after sleeve pipe; Then along the duct having cut, change the Centesis instrument of large one-level, repeat successively, until third level trepan cuts after articular process, the scope sleeve pipe Yan Gu road of respective diameters inserts, and completes puncture procedure.Adopt multistage saw bone operation, expand step by step saw bone and can reduce the possibility to nerve injury.
But the puncture step of this technology is comparatively loaded down with trivial details, each operation all needs perspective to confirm, corresponding ray exposes more.The more important thing is, TESSYS technology by guide rod, catheter clip press with articular process on, trepan is following conduit and is inserting, is close to articular process and grinds and cut articular process sclerotin, thereby forms bone road.Due to classification repetitive operation, in its process, very easily there is the skew of the deep road of mill and track thereof, make last scope sleeve pipe putting position put generation deviation, and impact operation.
Summary of the invention
The object of the present invention is to provide a kind of foramen intervertebrale lens lancing system, the piercing process of intervertebral foramen of lumbar vertebra videoendoscopic surgery is simplified, the reliable easily row of operation, improves safety and the success rate of operation, and reduces operator and patient's radiation exposure.
For solving the problems of the technologies described above, embodiments of the present invention disclose a kind of foramen intervertebrale lens lancing system, comprise one-level sleeve pipe, secondary sleeve pipe, passage-opening awl, anchor pin and trepan;
One-level sleeve pipe and secondary sleeve pipe are hollow, and one-level sleeve pipe is used for being inserted in until articular process forms soft tissue passage along seal wire;
The internal diameter of secondary sleeve pipe is identical with the external diameter of one-level sleeve pipe, for being inserted in along one-level sleeve pipe, and expansion soft tissue passage;
The diameter of passage-opening awl is identical with the internal diameter of secondary sleeve pipe, for inserting and arrive articular process along soft tissue passage in secondary sleeve pipe, opens a bone hole in articular process, and the conehead of passage-opening awl has protection shoulder to avoid bone hole excessively dark;
The diameter of anchor pin is identical with the diameter of passage-opening awl, the head end that the head end of anchor pin has tapping screw thread and anchor pin is blunt, after extracting passage-opening awl, inserts the bone hole of articular process and penetrates articular process arrival canalis spinalis formation bone road along the angle that enters canalis spinalis along secondary sleeve pipe;
The internal diameter of trepan is identical with the external diameter of secondary sleeve pipe, be used for being enclosed within on secondary sleeve pipe and arrive articular process, and cut from the side articular process along the angle that anchor pin enters canalis spinalis, expand by entering canalis spinalis Gu road the diameter that need to place scope to once, the head end that the head end of trepan has safe sawtooth and trepan is blunt, avoids damage for pushing nerve open.
Compared with prior art, the main distinction and effect thereof are embodiment of the present invention:
Foramen intervertebrale lens lancing system of the present invention is obviously simplified the piercing process of intervertebral foramen of lumbar vertebra videoendoscopic surgery, and the reliable easily row of operation, improve safety and the success rate of operation, and operator and patient's radiation exposure greatly reduces.The conehead of passage-opening awl has protection shoulder, can avoid the bone hole outputed in articular process excessively dark, safe and reliable; Anchor needle section designs for tapping screw thread, while entering articular process, do not need to knock, avoid directly punching articular process injured nerve or articular process fragmentation, and perspective finds that anchor pin enters canalis spinalis track when not good, after can back-outing at any time, adjust angle in the other direction, make the adjustment in bone road greatly easy, the blunt nosed design of anchor pin makes it penetrate to approach after articular process and be difficult for causing damage when neural; Only with one-level trepan directly by the disposable bone passage diameter that need to place scope that expands to, simplify articular process and cut process, reducing x line exposes, avoid multiple saw bone processes cannot high unity and produce the deviation of bone passage, improve and cut reliability, accuracy, improve the success rate that scope sleeve pipe is put.
Foramen intervertebrale lens lancing system of the present invention is obviously simplified the piercing process of intervertebral foramen of lumbar vertebra videoendoscopic surgery, the reliable easily row of operation, and operator and patient's radiation exposure greatly reduces.
Further, the needle tubing outer wall of puncture needle is provided with scale, and the insertion depth of puncture needle can show by the scale on needle tubing, and the convenient paracentesis depth of observing can avoid needle point displacement in use procedure to cause damage.
Further, one-level sleeve pipe head is conical, is conducive to cut soft tissue, forms initial soft tissue passage.
Further, by adjusting the position of passage-opening awl in articular process, thereby while adjusting positive side position perspective, passage-opening awl enters the extended line of canalis spinalis direction, can correctly establish subsequent operation and form the track in bone road, guarantees that scope sleeve pipe enters canalis spinalis.
Further, the head design of passage-opening awl is that Rhizoma Sparganii vertebra shape is conducive to form bone hole.
Further, the sawtooth of trepan is waveform and superficial, easily nerve is pushed open, avoids damage.
Brief description of the drawings
Fig. 1 is the structural representation of the one-level sleeve pipe of a kind of foramen intervertebrale lens lancing system in first embodiment of the invention;
Fig. 2 is the structural representation of the secondary sleeve pipe of a kind of foramen intervertebrale lens lancing system in first embodiment of the invention;
Fig. 3 is the structural representation of a kind of passage-opening awl of foramen intervertebrale lens lancing system in first embodiment of the invention;
Fig. 4 is the structural representation of the anchor pin of a kind of foramen intervertebrale lens lancing system in first embodiment of the invention;
Fig. 5 is the structural representation of a kind of trepan of foramen intervertebrale lens lancing system in first embodiment of the invention.
Detailed description of the invention
In the following description, in order to make reader understand the application better, many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs and the many variations based on following embodiment and amendment, also can realize the each claim of the application technical scheme required for protection.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
Foramen intervertebrale lens arthroscopic diagnosis mainly comprises two large steps: percutaneous puncture, scope working column are put under canalis spinalis and mirror and operated.
First embodiment of the invention relates to a kind of foramen intervertebrale lens lancing system, and this foramen intervertebrale lens lancing system comprises one-level sleeve pipe, secondary sleeve pipe, passage-opening awl, anchor pin and trepan.Fig. 1 to Fig. 5 is respectively the structural representation of one-level sleeve pipe in this foramen intervertebrale lens lancing system, the structural representation of secondary sleeve pipe, the structural representation of passage-opening awl, the structural representation of anchor pin and the structural representation of trepan.Above-mentioned 5 apparatuses are necessary apparatuses that foramen intervertebrale lens is simplified puncture.The needed puncture needle of this lancing system and scope sleeve pipe are the same with other technologies, therefore describe.
Specifically, be illustrated in figure 1 the structural representation of one-level sleeve pipe, Figure 2 shows that the structural representation of secondary sleeve pipe.
One-level sleeve pipe and secondary sleeve pipe are hollow, and one-level sleeve pipe is used for being inserted in until articular process forms soft tissue passage along seal wire.Wherein, be appreciated that seal wire is that puncture needle percutaneous puncture is incorporated into articular process surface of bone along puncture needle after articular process.
The internal diameter of secondary sleeve pipe is identical with the external diameter of one-level sleeve pipe, for being inserted in along one-level sleeve pipe, and expansion soft tissue passage.
Preferably, the external diameter of one-level sleeve pipe is 3mm, and the external diameter of secondary sleeve pipe is 6.3mm, and the head of one-level sleeve pipe and secondary sleeve pipe is conical, is conducive to cut soft tissue, forms initial soft tissue passage.
The capable soft-tissue expansion of two-stage sleeve pipe, forms the soft tissue passage that follow-up work pipeline needs, and simplifies soft expansion step.In addition, be appreciated that in other embodiments of the present invention, one-level sleeve pipe and secondary sleeve pipe external diameter also can adopt other size, the head of one-level sleeve pipe and secondary sleeve pipe also can adopt other shapes that are conducive to cut soft tissue, and is not limited to this.
Figure 3 shows that the structural representation of passage-opening awl; the diameter of passage-opening awl is identical with the internal diameter of secondary sleeve pipe; for inserting and arrive articular process along soft tissue passage in secondary sleeve pipe; in articular process, open a bone hole; the conehead of passage-opening awl has protection shoulder; as shown in Figure 3, the diameter of the conehead of passage-opening awl is less than the diameter of other parts of passage-opening awl, thereby forms protection shoulder.This protection shoulder can avoid the bone hole outputed in articular process excessively dark, and it is safe and reliable to be difficult for skidding.
Preferably, when passage-opening awl is opened a bone hole in articular process, the ideal position of passage-opening awl in articular process: the extended line that is passage-opening awl is positioned at vertebral body rear wall in side position x line perspective, and normotopia is positioned at pedicle of vertebral arch medial border line place.By adjusting the position of passage-opening awl in articular process, thereby while adjusting positive side position perspective, passage-opening awl enters the extended line of canalis spinalis direction, can correctly establish subsequent operation and form the track in bone road, guarantees that scope sleeve pipe enters canalis spinalis.
Preferably, the head of passage-opening awl is Rhizoma Sparganii vertebra shape, and if A in Fig. 3 is to as shown in section, the angle between three seamed edges of the head of passage-opening awl are mutual is 120 degree.The head design of passage-opening awl is that Rhizoma Sparganii vertebra shape is conducive to form bone hole.
Fig. 4 is the structural representation of anchor pin, and the diameter of anchor pin is identical with the diameter of passage-opening awl, and the head end that the head end of anchor pin has tapping screw thread and anchor pin is blunt, and tapping screw thread is if A in Fig. 4 is to as shown in section.Anchor pin inserts the bone hole of articular process and penetrates articular process arrival canalis spinalis formation bone road along the angle that enters canalis spinalis along secondary sleeve pipe after extracting passage-opening awl.
Anchor needle section designs for tapping screw thread, while entering articular process, do not need to knock, avoid directly punching articular process injured nerve or articular process fragmentation, and perspective finds that anchor pin enters canalis spinalis track when not good, after can back-outing at any time, adjust angle in the other direction, make the adjustment in bone road greatly easy, the blunt nosed design of anchor pin makes it penetrate to approach after articular process and be difficult for causing damage when neural.
Fig. 5 is the structural representation of trepan, the internal diameter of trepan is identical with the external diameter of secondary sleeve pipe, be used for being enclosed within on secondary sleeve pipe and arrive articular process, and cut from the side articular process along the angle that anchor pin enters canalis spinalis, expand by entering canalis spinalis Gu road the diameter that need to place scope to once, the head end that the head end of trepan has safe sawtooth and trepan is blunt, avoids damage for pushing nerve open.
Be appreciated that, only with one-level trepan directly by the disposable bone passage diameter that need to place scope that expands to, simplify articular process and cut process, having reduced x line exposes, avoid multiple saw bone processes cannot high unity and produce the deviation of bone passage, can improve and cut reliability, accuracy, improve the success rate that scope sleeve pipe is put simultaneously.
In addition, be appreciated that, owing to once sawing bone, therefore trepan external diameter reaches 7.5mm, be equivalent to the diameter of the afterbody trepan of other technologies, therefore while closing on canalis spinalis during near nerve root, very likely injured nerve of trepan sawtooth, therefore Novel trephine adopts the design of safe sawtooth, preferably, the sawtooth of trepan is waveform and superficial, and if I in Fig. 5 is to as shown in section, serration depth is only 0.5mm, tooth width is 2mm, clinical use discovery, Novel trephine can be pushed open in the time waiting soft tissue near nerve, but not damage.
The foramen intervertebrale lens arthroscopic diagnosis of mentioning above mainly comprises that percutaneous puncture, scope sleeve pipe put the step operating under canalis spinalis and mirror.Foramen intervertebrale lens lancing system of the present invention is exactly first to puncture on the skin of lumbar vertebra with instrument, expansion, arrive after the superior articular process of lumbar vertebra, with the perforate on surface of bone of open circuit vertebra, then use anchor pin in bone internal drilling, through articular process veutro, namely enter in canalis spinalis, then expand boring with trepan, make this hole can hold scope, and then launch the operation under operation mirror.
Foramen intervertebrale lens lancing system of the present invention is obviously simplified the piercing process of intervertebral foramen of lumbar vertebra videoendoscopic surgery, and the reliable easily row of operation, improve safety and the success rate of operation, and operator and patient's radiation exposure greatly reduces.
Preferably, foramen intervertebrale lens lancing system also comprises puncture needle, and puncture needle comprises needle tubing, needle handle and nook closing member.Needle tubing front end is most advanced and sophisticated, and needle tubing outer wall is provided with scale, and syringe rear end is connected with needle handle, and nook closing member is arranged in needle tubing by needle handle.Puncture needle percutaneous puncture is extracted nook closing member introduce seal wire after in articular process.In addition, be appreciated that seal wire is to enter into articular process surface of bone along the needle tubing of puncture needle.
The needle tubing outer wall of puncture needle is provided with scale, and the insertion depth of puncture needle can show by the scale on needle tubing, and the convenient paracentesis depth of observing can avoid needle point displacement in use procedure to cause damage.
In addition, be appreciated that as guaranteeing that lancet puncture arrives correct position, need to be through having an X-rayed confirmation position, positive side position.
Preferably, foramen intervertebrale lens lancing system also comprises scope sleeve pipe, is inserted in extracting scope sleeve pipe after trepan, for inserting scope along secondary sleeve pipe.
Specifically, in the time that the foramen intervertebrale lens lancing system that utilizes present embodiment carries out intervertebral foramina operation, concrete steps are as follows:
1, puncture needle percutaneous puncture is upper to the superior articular process of lumbar vertebra, through having an X-rayed confirmation position, positive side position.
2, enter seal wire along puncture needle, until articular process surface of bone.On skin, cut 8mm otch with sharp knife.
3, I level sleeve pipe (being one-level sleeve pipe) is inserted until articular process along seal wire.I level casing diameter is 3mm, and head is conical, is beneficial to cutting soft tissue, forms initial soft tissue passage.
4, II level sleeve pipe (being secondary sleeve pipe) external diameter 6.3mm, internal diameter and I level sleeve pipe external diameter are same, and the former is inserted in along the latter, further expands soft tissue passage.
5, I level sleeve pipe is extracted, left II level sleeve pipe.Passage-opening awl is inserted to II level sleeve pipe and arrive articular process surface of bone.Confirm the position in articular process of passage-opening awl in this perspective.Passage-opening awl head length 6mm, after knocking gently, its head enters articular process.Now have an X-rayed positive side position again, and perspective enters intervertebral foramina track as upper along imaginary its of passage-opening awl head end, establishes the angle that need adjust as dissatisfied.
The effect of passage-opening awl is mainly in articular process, to open a bone hole, so that follow-up anchor pin enters.Meanwhile, the position of passage-opening awl in articular process can form imaginary extended line in the perspective of positive side position, and desirable position should be: side position is positioned at vertebral body rear wall, now in normotopia, is just in time positioned at pedicle of vertebral arch medial border line place.This extended line is the track in subsequent operation formation bone road, and namely last internal diameter sleeve pipe enters the track of canalis spinalis.Whether the correct establishment of this track, the success or failure that determining to put pipe.
6, extract passage-opening awl, the anchor pin of same external diameter is inserted into the bone hole of articular process along II level sleeve pipe.What now the front step of foundation was set enters canalis spinalis track, is screwed into anchor pin.Anchor pin design head is tapping screw thread, length 10mm (articular process thickness is generally 10mm left and right), and its head end is non-sharp-pointed, and above-mentioned 2 designs can at utmost improve anchor pin and penetrate articular process and arrive intraspinal safety.Simultaneously, due to the design of anchor needle section tapping screw thread, therefore do not need while entering articular process to knock, pain sensation when patient is not knocked, perspective finds that anchor pin enters canalis spinalis track when not good, after not needing firmly to extract as other technologies, select a little and again knock in, continue to be screwed into and adjust angle after only need back-outing in the other direction.
The above-mentioned design of anchor pin, the operation that makes to establish inlet pipe track is easier, more controlled.
7, Novel trephine is nested into II level sleeve pipe, Novel trephine internal diameter and II level sleeve pipe external diameter are same, arrive articular process surface of bone.Now anchor pin is fixed in articular process with correct inlet pipe track, and the angle of anchor pin has determined the angle of trepan cutting articular process, and has determined the track of inlet pipe.
The external diameter of Novel trephine is identical with the scope of internal diameter sleeve pipe again.In this step, for the requirement of trepan be: the operation of trepan, forms inlet pipe Gu road, but not be that the repeatedly circulation of other technologies is expanded step by step; Owing to once sawing bone, therefore trepan external diameter reaches 7.5mm, be equivalent to the diameter of the afterbody trepan of other technologies, therefore while closing on canalis spinalis during near nerve root, very likely injured nerve of trepan sawtooth, Novel trephine adopts the design of safe sawtooth, serration depth is only 0.5mm, and its tooth width is 2mm, and clinical use is found, Novel trephine can be pushed open in the time waiting soft tissue near nerve, but not damage.
8, trepan is extracted after finishing, and retains II level sleeve pipe in position, and scope sleeve pipe is inserted along sleeve pipe, finishes puncture procedure.
Foramen intervertebrale lens arthroscopic diagnosis mainly comprises two large steps: percutaneous puncture, scope sleeve pipe are put under canalis spinalis and mirror and operated.Advantage of the present invention is embodied in:
One, by percutaneous puncture process simplification, reduce operating procedure, reduce ray and expose.
Two, articular process is cut to process simplification, improve and cut reliability, accuracy, improve the success rate that scope sleeve pipe is put.
It should be noted that, in the claim and description of this patent, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element that " comprises " and limit by statement, and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Although pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and described, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (7)
1. a foramen intervertebrale lens lancing system, is characterized in that, comprises one-level sleeve pipe, secondary sleeve pipe, passage-opening awl, anchor pin and trepan;
Described one-level sleeve pipe and secondary sleeve pipe are hollow, and described one-level sleeve pipe is used for being inserted in until articular process forms soft tissue passage along seal wire;
The internal diameter of described secondary sleeve pipe is identical with the external diameter of one-level sleeve pipe, for being inserted in along one-level sleeve pipe, and expansion soft tissue passage;
The diameter of described passage-opening awl is identical with the internal diameter of secondary sleeve pipe, for inserting and arrive articular process along described soft tissue passage in secondary sleeve pipe, opens a bone hole in articular process, and the conehead of passage-opening awl has protection shoulder to avoid described bone hole excessively dark;
The diameter of described anchor pin is identical with the diameter of passage-opening awl, the head end that the head end of anchor pin has tapping screw thread and anchor pin is blunt, after extracting passage-opening awl, inserts the bone hole of described articular process and penetrates articular process arrival canalis spinalis formation bone road along the angle that enters canalis spinalis along secondary sleeve pipe;
The internal diameter of described trepan is identical with the external diameter of secondary sleeve pipe, be used for being enclosed within on described secondary sleeve pipe and arrive articular process, and cut from the side articular process along the angle that described anchor pin enters canalis spinalis, expand by entering canalis spinalis Gu road the diameter that need to place scope to once, the head end that the head end of described trepan has safe sawtooth and trepan is blunt, avoids damage for pushing nerve open.
2. foramen intervertebrale lens lancing system according to claim 1, is characterized in that, also comprises puncture needle, and described puncture needle comprises needle tubing, needle handle and nook closing member; Described needle tubing front end is most advanced and sophisticated, and needle tubing outer wall is provided with scale, and syringe rear end is connected with needle handle, and nook closing member is arranged in needle tubing by needle handle; Described puncture needle percutaneous puncture is extracted nook closing member introduce described seal wire after in articular process.
3. foramen intervertebrale lens lancing system according to claim 1, is characterized in that, also comprises scope sleeve pipe, is inserted in extracting described scope sleeve pipe after trepan, for inserting scope along described secondary sleeve pipe.
4. foramen intervertebrale lens lancing system according to claim 1, is characterized in that, the external diameter of described one-level sleeve pipe is 3mm, and the external diameter of described secondary sleeve pipe is 6.3mm, and the head of described one-level sleeve pipe and secondary sleeve pipe is conical.
5. foramen intervertebrale lens lancing system according to claim 1, is characterized in that, when stating passage-opening awl open a bone hole in articular process, the position of described passage-opening awl in articular process is positioned at vertebral body rear wall in side position, and normotopia is positioned at pedicle of vertebral arch medial border line place.
6. foramen intervertebrale lens lancing system according to claim 1, is characterized in that, the head of described passage-opening awl is Rhizoma Sparganii vertebra shape.
7. foramen intervertebrale lens lancing system according to claim 1, is characterized in that, the sawtooth of described trepan is waveform, and serration depth is 0.5mm, and tooth width is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241165.8A CN103976779B (en) | 2014-05-30 | 2014-05-30 | Foramen intervertebrale lens lancing system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106137335A (en) * | 2016-07-15 | 2016-11-23 | 于海龙 | A kind of Thoracolumbar disk percutaneous puncture device and using method thereof |
| CN107049376A (en) * | 2016-07-04 | 2017-08-18 | 广州雄俊智能科技有限公司 | A kind of navigation puncture device performed the operation for foramen intervertebrale lens |
| CN108992131A (en) * | 2018-07-11 | 2018-12-14 | 刘垒 | A kind of foramen intervertebrale lens operation solid threaded bar and its application method |
| CN111278365A (en) * | 2015-09-04 | 2020-06-12 | 美多斯国际有限公司 | Multi-shield spinal access system |
| CN113171175A (en) * | 2021-05-13 | 2021-07-27 | 青岛大学附属医院 | Lumbar under-mirror fusion technology under assistance of electromagnetic navigation |
| US11672562B2 (en) | 2015-09-04 | 2023-06-13 | Medos International Sarl | Multi-shield spinal access system |
| US11744447B2 (en) | 2015-09-04 | 2023-09-05 | Medos International | Surgical visualization systems and related methods |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111278365A (en) * | 2015-09-04 | 2020-06-12 | 美多斯国际有限公司 | Multi-shield spinal access system |
| US11672562B2 (en) | 2015-09-04 | 2023-06-13 | Medos International Sarl | Multi-shield spinal access system |
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| US11744447B2 (en) | 2015-09-04 | 2023-09-05 | Medos International | Surgical visualization systems and related methods |
| CN107049376A (en) * | 2016-07-04 | 2017-08-18 | 广州雄俊智能科技有限公司 | A kind of navigation puncture device performed the operation for foramen intervertebrale lens |
| CN107049377A (en) * | 2016-07-04 | 2017-08-18 | 广州雄俊智能科技有限公司 | A kind of puncture needle performed the operation for foramen intervertebrale lens and its manufacture method |
| CN106137335A (en) * | 2016-07-15 | 2016-11-23 | 于海龙 | A kind of Thoracolumbar disk percutaneous puncture device and using method thereof |
| CN108992131A (en) * | 2018-07-11 | 2018-12-14 | 刘垒 | A kind of foramen intervertebrale lens operation solid threaded bar and its application method |
| CN113171175A (en) * | 2021-05-13 | 2021-07-27 | 青岛大学附属医院 | Lumbar under-mirror fusion technology under assistance of electromagnetic navigation |
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