CN105125253A - Zygopophysis bone drilling device capable controlling bone drilling depth - Google Patents
Zygopophysis bone drilling device capable controlling bone drilling depth Download PDFInfo
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- CN105125253A CN105125253A CN201510506628.3A CN201510506628A CN105125253A CN 105125253 A CN105125253 A CN 105125253A CN 201510506628 A CN201510506628 A CN 201510506628A CN 105125253 A CN105125253 A CN 105125253A
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
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Abstract
The invention provides a zygopophysis bone drilling device capable controlling bone drilling depth. The zygopophysis bone drilling device structurally comprises a positioning sleeve and a bone grinding drill, wherein the bone grinding drill is characterized in that an operating handle is connected with the upper end of a cylindrical straight-shank drill rod; a drill bit is arranged at the lower end of the drill rod; a section of threaded section is arranged on the drill rod adjacent to the operating handle; the major diameter of the threaded section is larger than the diameter of the drill rod; a limiting nut is in threaded connection with the threaded section; the positioning sleeve is characterized in that a cylindrical channel axially penetrating through and used for allowing a drill rod of the bone grinding drill to be inserted in a penetrating manner is formed in a sleeve body; a flaring section which can accommodate the threaded section of the drill rod is arranged at the upper end of the channel; and a wide-mouth spoon groove or a wide-mouth bracket which can straddle the zygopophysis is arranged at the lower end of the sleeve body. By adopting the zygopophysis bone drilling device provided by the invention, the superior articular process can be positioned accurately, and the bone grinding depth can be controlled, so that on the premise of safety and stability, bone substances blocking in the direction of an operative approach can be accurately eliminated through grinding and an accurate and wide implantation space is provided for the working sleeve.
Description
Technical field
The present invention relates to a kind of orthopedic medical device, specifically a kind of articular process of the controlling drilling bone degree of depth bores bone object.
Background technology
Prolapse of lumbar intervertebral disc is Spinal fractures commonly encountered diseases and frequently-occurring disease, due to after intervertebral disc generation degenerative change, Anular disruption, Nucleus pulposus is to canalis spinalis, and lumbago and skelalgia, numbness etc. caused by the tissue such as stimulation, pressuring neural root, blood vessel or spinal cord are main disease.Patient pain is often relatively more violent, cannot walk, have a strong impact on life.Traditional operation treatment wound is large, hemorrhage many, post-operative recovery slow, and there is postoperative long-term chronic problem and the untoward reaction such as relapse rate is high.Along with being rooted in the hearts of the people of Wicresoft's theory, foramen intervertebrale lens technology is arisen at the historic moment., the remarkable advantage such as wound little, safety high, few intercurrent disease, determined curative effect wide by feat of indication, foramen intervertebrale lens is popularized rapidly and is developed.
Foramen intervertebrale lens initiated (Young technology) in 1999 by U.S. professor AnthonyYeung, and German spinal surgery association was developed in Young technical foundation by ThomasHoogland professor in 2002, the Tessys technology of innovation at present obtains the extensive approval of spinal applications scholar.The ultimate principle of its operation is that percutaneous puncture implants working column (can form service aisle by implanting working column) by the triangle of safety district of intervertebral foramina, outside annulus fibrosus disci intervertebralis, endoscope and Nuclectomy apparatus supporting is with it utilized thoroughly to remove vertebral pulp that is outstanding or that prolapse to remove the pressure of nerve root.This technology not only treats intervertebral disk hernia at present, the treatment of also a large amount of narrow for diverse bone types, senile regression, minimum to patient trauma in similar operation, determined curative effect.Current international vertebral column minimally invasive surgical field has generally acknowledged foramen intervertebrale lens dominating in this field.
Foramen intervertebrale lens operation will expect smooth enforcement, and the accurate implantation of working column is crucial.Because working column will be implanted to intraspinal tube by this slype of intervertebral foramina; therefore; patient is had to the situation of lumbar vertebra congenital dysplasia or regression hypertrophy etc.; be easy to form stop by the abnormal bone of articular process to operative approach, cause working column cannot be implanted to tram and failure.In traditional method, insert at intervertebral foramina place bore bone object can the part abnormal bone at worn articular process place, but, due to the limitation of device design, bore bone object when the abnormal bone at worn articular process place, if the worn degree of depth is excessively dark, bore bone object end and enter canalis spinalis, be easy to be damaged to dural sac and nerve root, the safety ensureing patient is difficult to when therefore boring bone, namely existing method cannot worn abnormal bone as much as possible under the premise that security is guaranteed, enough visible angles cannot be provided for endoscope, and then make the pathological interspinal dish that can extract in art limited, affect operative effect.
Summary of the invention
The articular process that object of the present invention is just to provide a kind of controlling drilling bone degree of depth bores bone object, with solve tradition bore bone object cannot worn articular process place abnormal bone under the premise that security is guaranteed, and then affect the problem of operative treatment.
The present invention is achieved in that a kind of articular process of the controlling drilling bone degree of depth bores bone object, comprises locating sleeve and mill bone drill;
Described mill bone drill is connected to operating grip in the upper end of columniform staight shank drilling rod, drill bit is provided with in the lower end of described drilling rod, the described drilling rod adjacent with operating grip is provided with one section of thread segment, the Major Diam of described thread segment is greater than the diameter of described drilling rod, and described thread segment is threaded limited location nut;
Described locating sleeve have in sleeve body axially through, in order to the cylindrical channel of interspersed mill bone drill drilling rod, the diameter of described passage is greater than the diameter of described drilling rod and is less than the Major Diam of drill rod thread section, is provided with the flared section that a section can be held drill rod thread section in the upper end of described passage; The lower end of described sleeve body is provided with and can straddles wide-mouth spoon groove in articular process or wide-mouth support; The length of described sleeve body equals or is equivalent to the length of non-threaded section of described drilling rod.
Described drill bit is fluted drill, chit drill, or end face has the trepan of annulus sawtooth.
The flared section of described passage is unthreaded hole section or internal thread segment, and the screw thread of the screw thread in internal thread segment and drill rod thread section matches.
The thread segment of described drilling rod is also connected to line-locked locknut is entered to described stop nut.
Described mill bone drill has axially through seal wire jack hole.
Described operating grip is provided with draw-in groove and flexible clamping mechanism, is provided with card in the upper end of described drilling rod, described card is connected in described draw-in groove, and is connected and fixed by described flexible clamping mechanism.
Handle part is provided with in the upper end of sleeve body.
The articular process of the controlling drilling bone degree of depth provided by the present invention is bored bone object and is comprised locating sleeve and mill bone drill, mill bone drill is termination operating grip on drilling rod, establish drill bit in drilling rod lower end, the drilling rod adjacent with operating grip is established one section of thread segment, and connect stop nut on thread segment; Locating sleeve have in sleeve body axially through, in order to the cylindrical channel of interspersed mill bone drill drilling rod, passage also can hold seal wire and pass, be provided with in the upper end of passage the flared section that a section can be held drill rod thread section, the lower end of sleeve body is to straddle wide-mouth spoon groove in articular process or wide-mouth support.During use, in advance seal wire percutaneous puncture is navigated near articular process and (contact articular process as much as possible), then locating sleeve is inserted along seal wire, the direction of adjustment locating sleeve, the lower end of locating sleeve body (wide-mouth spoon groove or wide-mouth support) is made to straddle in articular process (i.e. superior articular process), now, passage in locating sleeve also just in time aims at articular process position needs worn sclerotin, then mill bone drill drilling rod is inserted in the passage of locating sleeve, drilling rod lower end is made to touch articular process, stop nut in adjustment drill rod thread section, the distance of stop nut lower end distance locating sleeve upper port is made to equal to treat the degree of depth of worn sclerotin, the operating grip of rotating grinding bone drill makes the drill bit of drilling rod lower end carry out worn to the sclerotin at articular process position, in mill bone process, when stop nut contacts with locating sleeve upper port, under the barrier effect of stop nut, grind bone drill can not continue to move down, thus the control achieved the mill bone degree of depth.
In the present invention, the flared section of passage upper end can be unthreaded hole section, also can be internal thread segment.Be the situation of internal thread segment for flared section, the screw thread of the screw thread in internal thread segment and drill rod thread section should be made to match; Now, to the control of boring the bone degree of depth in order to realize, also should arrange in drill rod thread section and line-locked locknut is entered to stop nut.
In the present invention, because the lower end of locating sleeve body can straddle on superior articular process, therefore make the contact forming " face and point " between locating sleeve and articular process, the contact of this " face and point " can be easy to realize the location to superior articular process; By locating sleeve accurate, reliably locate, then realize worn to articular process position sclerotin by the mill bone drill drilling rod through locating sleeve inner passage, and the degree of depth of mill bone can Artificial Control.In mill bone process, because locating sleeve is fixed, therefore grinding bone drill drilling rod can locating sleeve be support and rotating, even if articular process position sclerotin is harder, more sharp-pointed, drilling rod also can not glide along articular process edge, avoid drilling rod because of downslide beyond damage reason location sleeve pipe, relative with articular process nerve, ensure that the safety of patient.
The articular process of the controlling drilling bone degree of depth provided by the present invention bores bone object, be current spinal surgery clinical in the urgent need to a kind of device, this device can accurately locate superior articular process position, locating sleeve is made to straddle not easily landing on superior articular process, ensure the safety in mill bone drill mill bone process, stable, the degree of depth of grinding bone can be controlled again, mill bone is avoided to cross dark and be damaged to dural sac and nerve root, therefore, the present invention can under the prerequisite of safety and stability, the worn sclerotin be blocked on operative approach direction exactly, worn scope is expanded by running fix sleeve pipe in worn sclerotin process, for working column provides accurate, broad implantation space, for endoscope provides enough visible angles, and then create favorable conditions for the thorough excision of pathological interspinal dish.Structure of the present invention is simple, and easy to operate during for performing the operation.
Accompanying drawing explanation
Fig. 1 ~ Fig. 4 is all structural representations of the present invention.
Detailed description of the invention
As shown in Fig. 1 ~ Fig. 4, the articular process of the controlling drilling bone degree of depth provided by the present invention is bored bone object and is comprised locating sleeve and mill bone drill.
Mill bone drill comprises columniform staight shank drilling rod 2, is connected to operating grip 6, is provided with drill bit in the lower end of drilling rod 2 in the upper end of drilling rod 2.The drilling rod 2 adjacent with operating grip 6 is provided with one section of thread segment 7, and the Major Diam of thread segment 7 is greater than the diameter of drilling rod 2, and thread segment 7 is threaded limited location nut 8.
Locating sleeve comprises locating sleeve body 1, locating sleeve body 1 is cylindrical bar body structure, locating sleeve body 1 has axially through, in order to the cylindrical channel 9 of interspersed mill bone drill drilling rod 2, the axial line of passage 9 overlaps with the axial line of locating sleeve body 1.The diameter of passage 9 is greater than the diameter of drilling rod 2 but is less than the Major Diam of thread segment 7 on drilling rod 2, and namely passage 9 can make drilling rod 2 penetrate but can not hold the thread segment 7 on drilling rod 2.The flared section 5 that one section can be held the thread segment 7 on drilling rod 2 is provided with in the upper end of passage 9.The length generally arranging flared section 5 is greater than the degree of depth of boring bone in articular process.The length of locating sleeve body 1 equals or is equivalent to the length of non-threaded section on drilling rod 2, and " being equivalent to " is namely the meaning be a bit larger tham or be slightly smaller than.
By arranging the lower end of locating sleeve body 1 can straddle in articular process, particularly, wide-mouth spoon channel-shaped structure can be arranged in the lower end of locating sleeve body 1, wide-mouth spoon groove also can regard " horn mouth " shape structure of an indent as, " horn mouth " can be circular symmetric structure 3(as depicted in figs. 1 and 2), also can be unsymmetric structure 11(as shown in Figure 3); Wide-mouth stent-like structure can also be arranged in the lower end of locating sleeve body 1, and wide-mouth support can regard " high-heel shoes " shape structure 12 as, as shown in Figure 4.In the upper end of locating sleeve body 1 can setting party person who happens to be on hand for an errand's hands hold handle part 13, as shown in Figure 3 and Figure 4.
During mill bone, first make locating sleeve insert along the seal wire implanted in advance, make the lower end of locating sleeve straddle in articular process; Then the passage along locating sleeve inserts the drilling rod 2 grinding bone drill, makes the lower end touching articular process of drilling rod 2, now regulates stop nut 8, makes the distance of stop nut 8 lower end distance locating sleeve upper port equal to treat the degree of depth of worn sclerotin; Rotating operating handle 6 afterwards, makes the drill bit of drilling rod 2 carry out worn to the sclerotin at articular process position.Along with moving down of drilling rod 2, after the upper port of stop nut 8 lower end touching locating sleeve, rotating operating handle 6 can not make drilling rod 2 continue to move down, and now grind bone and complete, and achieve the control to the mill bone degree of depth.
The flared section 5 of passage 9 upper end can be unthreaded hole section, as shown in Figure 1, Figure 3 and Figure 4, also can be internal thread segment, as shown in Figure 2.When flared section 5 is internal thread segment, the screw thread in flared section 5 should match with the screw thread of the thread segment 7 on drilling rod.When flared section 5 is internal thread segment, by rotating operating handle 6, thread segment 7 being entered after flared section 5 can screw advancement, in this case, stop nut 8 on thread segment 7 may not have the spacing function of complete locking, but still can to play position-limiting action by people's perusal stop nut 8.When flared section 5 is internal thread segment, can at the threaded upper ends connecting lock nut 16 of thread segment 7 upper limit nut 8, thread segment 7 is when flared section 5 female thread advances, when stop nut 8 touches locating sleeve upper port, stop nut 8 is locked under the effect of locknut 16, and thread segment 7 can not be moved on.
The drill bit of drilling rod 2 lower end can be designed as threaded bore header structure 14 that is solid, twisted shape, as shown in Figure 2, Figure 3 and Figure 4, also can be designed to the hollow trepan structure 4 that lower end edge is annular sawtooth, as shown in Figure 1, also can be designed to chit drill structure.
Mill bone drill can also leave axially through seal wire jack hole, and seal wire jack hole can be positioned on the axial line of mill bone drill, when mill bone drill drilling rod is inserted in the passage 9 on locating sleeve body 1, can insert along the seal wire implanted in advance.
Operating grip 6 can be fixedly connected on the upper end of drilling rod 2, also can establish draw-in groove and flexible clamping mechanism on operating grip 6, establish card, card is connected in draw-in groove, and connected and fixed by flexible clamping mechanism in the upper end of drilling rod 2.
Locating sleeve body 1 and drilling rod 2 all can use hard steel to make molding.
The articular process of the controlling drilling bone degree of depth provided by the present invention bores bone object, to be applicable under foramen intervertebrale lens percutaneous puncture positioning operation approach in resection of nucleus pulposus, locating sleeve is implanted by seal wire, adjustment locating sleeve makes the lower end of locating sleeve straddle in articular process, now, passage in locating sleeve also just in time aims at articular process position needs worn sclerotin, then the drilling rod of mill bone drill is inserted in the passage on locating sleeve, drilling rod lower end is made to touch articular process, regulate the stop nut in drill rod thread section, the distance of stop nut lower end distance locating sleeve upper port is made to equal to treat the degree of depth of worn sclerotin, for the situation being provided with locknut in drill rod thread section, locknut should be made to be positioned at above stop nut and to make both close contacts, articular process can be treated that worn sclerotin grinds off by the drill bit of drilling rod lower end by rotating operating handle afterwards, mill bone process safety is reliable.
Adopt the articular process of the controlling drilling bone degree of depth in the present invention to bore bone object and carry out foramen intervertebrale lens operation to the patient suffering from intervertebral disk hernia, specific operation process is:
(1) make patient lie on one's side, suffering limb is upper, and padded waist, locates under adopting the C-arm of X-ray machine, at patient body-surface determination inserting needle route, and do body surface marking.
(2) routine disinfection drape, after local anesthesia success, according to body surface marking, under C-arm guiding, inserting puncture needle to correct position, as caused patient's lower limb radiated pain then to need adjustment puncture direction and position in piercing process, extracting the nook closing member of puncture needle, seal wire is inserted into precalculated position along the needle guard of puncture needle, extract needle guard, in intervertebral disc, inject iohexol and methylene blue staining, so that observe form and the excision of intervertebral disk hernia thing.
(3) otch of about 1cm size is cut in seal wire puncture place of patient body-surface, dilator is step by step adopted to expand around seal wire, after being expanded to suitable size, locating sleeve is implanted by seal wire, adjustment locating sleeve makes its lower end straddle in articular process, now, passage in locating sleeve also just in time aims at articular process position needs worn sclerotin, then the drilling rod of mill bone drill to be inserted in the passage on locating sleeve and to make the lower end of drilling rod touch articular process, regulate the position of drill rod thread section upper limit nut, the distance of the lower end of stop nut distance locating sleeve upper port is made to equal to treat the degree of depth of worn sclerotin, for the situation being provided with locknut in drill rod thread section, locknut should be made to be positioned at above stop nut and to make both close contacts, articular process can be treated that worn sclerotin grinds off by drill bit by rotating operating handle afterwards, until drilling rod be displaced downwardly to stop nut contact with locating sleeve upper port time, drilling rod can not continue to move down again, now grind bone to complete.The position of adjustable positioning sleeve pipe and mill bone drill as required, widens the worn scope of sclerotin to suitable size and Orientation.
(4) after the sclerotin on operative approach direction is worn, take out mill bone drill and locating sleeve, working column is implanted to correct position along seal wire, take out seal wire, foramen intervertebrale lens imaging system is put into along working column, get the nucleus pulposus of outstanding degeneration with different nucleus pulposus clamp pincers, Microscopic observation nerve root is loosened situation, observes dural sac and nerve root occurs that being nerve root when independently beating loosens thoroughly.
(5), after thoroughly extracing the nucleus pulposus of degeneration, insert the disposable radio frequency cutter head of U.S. elezma, energy is transferred to 24 joules, continue to burn normal nucleus pulposus, make it back to receive atrophy, after shaping, close the fibrous ring of breaking, thoroughly remove intraspinal high pressure.
(6) observe operative region without after active hemorrhage, take out working column, skin suture, operation terminates.
Claims (7)
1. the articular process of the controlling drilling bone degree of depth bores a bone object, it is characterized in that, comprises locating sleeve and mill bone drill;
Described mill bone drill is connected to operating grip in the upper end of columniform staight shank drilling rod, drill bit is provided with in the lower end of described drilling rod, the described drilling rod adjacent with operating grip is provided with one section of thread segment, the Major Diam of described thread segment is greater than the diameter of described drilling rod, and described thread segment is threaded limited location nut;
Described locating sleeve have in sleeve body axially through, in order to the cylindrical channel of interspersed mill bone drill drilling rod, the diameter of described passage is greater than the diameter of described drilling rod and is less than the Major Diam of drill rod thread section, is provided with the flared section that a section can be held drill rod thread section in the upper end of described passage; The lower end of described sleeve body is provided with and can straddles wide-mouth spoon groove in articular process or wide-mouth support; The length of described sleeve body equals or is equivalent to the length of non-threaded section of described drilling rod.
2. the articular process of the controlling drilling bone degree of depth according to claim 1 bores bone object, and it is characterized in that, described drill bit is fluted drill, chit drill, or end face has the trepan of annulus sawtooth.
3. the articular process of the controlling drilling bone degree of depth according to claim 1 bores bone object, and it is characterized in that, the flared section of described passage is unthreaded hole section or internal thread segment, and the screw thread of the screw thread in internal thread segment and drill rod thread section matches.
4. the articular process of the controlling drilling bone degree of depth according to claim 1 bores bone object, it is characterized in that, the thread segment of described drilling rod is also connected to and enters line-locked locknut to described stop nut.
5. the articular process of the controlling drilling bone degree of depth according to claim 1 bores bone object, it is characterized in that, described mill bone drill has axially through seal wire jack hole.
6. the articular process of the controlling drilling bone degree of depth according to claim 1 bores bone object, it is characterized in that, described operating grip is provided with draw-in groove and flexible clamping mechanism, is provided with card in the upper end of described drilling rod, described card is connected in described draw-in groove, and is connected and fixed by described flexible clamping mechanism.
7. the articular process of the controlling drilling bone degree of depth according to claim 1 bores bone object, it is characterized in that, is provided with handle part in the upper end of sleeve body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510506628.3A CN105125253B (en) | 2015-08-18 | 2015-08-18 | A kind of articular process of controlling drilling bone depth bores bone object |
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| CN201510506628.3A CN105125253B (en) | 2015-08-18 | 2015-08-18 | A kind of articular process of controlling drilling bone depth bores bone object |
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| CN105125253B CN105125253B (en) | 2017-11-07 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105832378A (en) * | 2016-06-12 | 2016-08-10 | 重庆迈德菲快科技有限公司 | Grinding drill for osseous surgery |
| CN105997188A (en) * | 2016-06-12 | 2016-10-12 | 重庆迈德菲快科技有限公司 | Abrasive drilling device for bone operation |
| CN106725720A (en) * | 2017-03-03 | 2017-05-31 | 周晓光 | One kind bores bone device |
| CN106725708A (en) * | 2017-03-09 | 2017-05-31 | 北京安德思考普商贸有限公司 | Can spacing safe trepan device |
| CN108814673A (en) * | 2018-04-03 | 2018-11-16 | 吕文德 | Limit deep osteotomy device and its intercept method |
| CN108836422A (en) * | 2018-04-03 | 2018-11-20 | 管廷进 | Electronic osteotomy device and its working method |
| CN110279450A (en) * | 2018-03-19 | 2019-09-27 | 爱派司生技股份有限公司 | A kind of bone-culting operation limiting device and osteotome device |
| 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 |
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| CN105832378A (en) * | 2016-06-12 | 2016-08-10 | 重庆迈德菲快科技有限公司 | Grinding drill for osseous surgery |
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| CN110279450A (en) * | 2018-03-19 | 2019-09-27 | 爱派司生技股份有限公司 | A kind of bone-culting operation limiting device and osteotome device |
| CN108814673A (en) * | 2018-04-03 | 2018-11-16 | 吕文德 | Limit deep osteotomy device and its intercept method |
| CN108836422A (en) * | 2018-04-03 | 2018-11-20 | 管廷进 | Electronic osteotomy device and its working method |
| CN108836422B (en) * | 2018-04-03 | 2021-02-23 | 管廷进 | Electric osteotomy device and working method thereof |
| CN108814673B (en) * | 2018-04-03 | 2021-04-02 | 管廷进 | Depth-limiting osteotomy device and osteotomy method thereof |
| 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 |
Also Published As
| Publication number | Publication date |
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| CN105125253B (en) | 2017-11-07 |
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Effective date of registration: 20190428 Address after: 050000 599 Qinling Mountains Avenue, Shijiazhuang high tech Zone, Hebei Patentee after: Hebei Rui Rui Medical Instrument Co., Ltd. Address before: 050000 Minimally Invasive Spinal Surgery, Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang City, Hebei Province Patentee before: Zhang Wei |