CN105559894A - Minimally invasive facetectomy guiding and positioning device and minimally invasive facetectomy guiding and positioning instrument assembly - Google Patents
Minimally invasive facetectomy guiding and positioning device and minimally invasive facetectomy guiding and positioning instrument assembly Download PDFInfo
- Publication number
- CN105559894A CN105559894A CN201510923358.6A CN201510923358A CN105559894A CN 105559894 A CN105559894 A CN 105559894A CN 201510923358 A CN201510923358 A CN 201510923358A CN 105559894 A CN105559894 A CN 105559894A
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- articular process
- wicresoft
- minimally invasive
- facetectomy
- guiding
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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Abstract
The invention discloses a minimally invasive facetectomy guiding and positioning device. The device has a first end, a second end, a first guide needle for piercing into the vertebral pedicle, and a second guide needle for inserting into the articular process. The invention furthermore provides a minimally invasive facetectomy guiding and positioning instrument assembly. The instrument assembly comprises the minimally invasive facetectomy guiding and positioning device, an expansion sleeve, a separation sleeve, a replacement rod, a hook-shaped sleeve and a ring saw. According to the minimally invasive facetectomy guiding and positioning device and the minimally invasive facetectomy guiding and positioning instrument assembly, a micro endoscopic discectomy system can enter a safe working triangular region of the lumbar vertebra, the articular process approach can be accurately passed in the operation, a proper amount of the articular process can be excised under the minimally invasive condition, the stability of the motion segment of the spine is slightly destroyed, and the nerves are prevented from being injured in the operation; and in addition, a very small wound is incised from the outside skin tissue only via a channel, so that the wound area is greatly reduced and a patient can quickly get well.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of guide-localization Wicresoft articular process resection instrument.
Background technology
The treatment of lumbar degenerative disease (comprising lumbar spinal stenosis, lumbar spondylolisthesis, Degenerative scoliosis and discogenic disease etc.) removes compressing to cauda equina nerve by excision intervertebral disc, ligamenta flava, articular process etc., traditional diskectomy is open surgery, larger misery and wound is caused to patient, convalescent period is long, and healing is slow.In recent years less invasive techniques particularly spinal endoscopes technology be applied to and clinically achieve gratifying achievement, under spinal endoscopes is assisted, carry out the excision of intervertebral disc.
At present, the Wicresoft of Vertebrae resection is the development trend of industry, but also exist during operation can not excise articular process through invasive methods, operation is difficult to enter trouble free service trigonum, be easily damaged to the problems such as neural, makes operation have greater risk.
Summary of the invention
For solving the problem, the invention provides a kind of Wicresoft articular process excision orienting locator and guide-localization Wicresoft articular process resection instrument assembly, the accurate Transpedicular entrance of operation can be made, accurately enter the trouble free service trigonum of lumbar vertebra, under Wicresoft's condition, realize the appropriate excision of articular process.
For achieving the above object, the invention provides a kind of Wicresoft articular process excision orienting locator, described Wicresoft articular process excision orienting locator have first end 4 and the second end 5, for thrust pedicle of vertebral arch the first guide pin 1, for inserting the second guide pin 6 of articular process; Described first end 4 is provided with the through hole 1 passed for the first guide pin; Gathering sill 52 through before and after described second end 5 is provided with, gathering sill is provided with the slide block 53 that can slide along gathering sill, slide block is provided with the through hole 2 531 passed for the second guide pin.
Wherein, first end 4 and the second end 5 form orienting locator main body.
Wherein, the through hole two on described slide block is made up of plural point of through hole.A point of through hole is exactly a gear.
Wherein, on described through hole two, the gear of 531 is 6.
Wherein, the head of described first guide pin 1 is provided with helicitic texture 11, so that the first guide pin enters pedicle of vertebral arch.
Wherein, the trough rim of described gathering sill is provided with angle index.
The present invention also provides a kind of guide-localization Wicresoft articular process resection instrument assembly, and described guide-localization Wicresoft articular process resection instrument assembly comprises: described Wicresoft articular process excision orienting locator; The expansion sleeve 8 cut skin expanded step by step along the second guide pin 6; Along the release sleeve 9 for peeling off tissue that expansion sleeve 8 is inserted; For the replacement rod 10 that hook-shaped sleeve 11 is inserted and taken out; For hooking the hook-shaped sleeve 11 of articular process; For excising the trepan 12 of articular process.
Wherein, the head of described hook-shaped sleeve 11 is provided with hook formation 111, is used for hooking articular process from bottom, can either neuroprotective, avoids neurally being damaged by operating theater instruments, can facilitate again the operation of operating theater instruments.
Wherein, the head of described trepan 12 arranges sawtooth 121, is used for carrying out sawing to articular process.
Wherein, the inner side of described trepan 12 head has helicitic texture 122, when withdrawing from after trepan sawtooth is screwed into bone, directly can take out of for cut-out again.
Wherein, described replacement rod 10 is provided with the groove 101 matched with the hook formation 111 of hook-shaped sleeve head, and hook-shaped sleeve is along when replacing rod insertion and take out, and the position of hook 111 overlaps with the position of groove 101.
Trouble free service trigonum, namely after lumbar nerve roots goes out intervertebral foramina below the pedicle of vertebral arch of vertebral body, forward, diagonal is appointed to cross annulus fibrosus disci intervertebralis downwards, it and the upper limb of next vertebral body and the anterolateral surface one of superior articular process thereof without the triangle of safety district of vital tissue structure, Chang Zuowei surgery Minimally Invasive Surgery site of puncture.But at present, minimally invasive centrum excision is difficult to enter triangle of safety district, thus makes troubles to operation technique, also brings hidden danger to surgical effect.
The present invention settles an orienting locator by percutaneous cervical arc root guide pin, the trouble free service trigonum that spinal endoscopes enters lumbar vertebra can be realized, make the accurate Transpedicular entrance of operation, the appropriate excision of articular process is achieved under Wicresoft's condition, destroy little to spinal motion segment stability, avoid surgical injury to nerve.By guide-localization Wicresoft of the present invention arthrectomy device assembly, articular process is excised under the guide effect of guider, can only excise in right amount articular process, and only need the lateral cutaneous tissue when trepan is inserted via passage to cut very little wound, substantially reduce wound area, be conducive to the fast quick-recovery of patient.Compared with prior art, the present invention, while realization appropriate excision articular process, meets the requirement of Wicresoft, while giving the less wound of patient, accelerates the speed that it recovers.
Accompanying drawing explanation
Fig. 1 is the sectional drawing that the first guide pin 1 enters pedicle of vertebral arch;
Fig. 2 is the front schematic view of Wicresoft's articular process orienting locator;
Fig. 3 is the side schematic view of Wicresoft's articular process orienting locator;
Fig. 4 is the plan structure schematic diagram of Wicresoft's articular process orienting locator main body;
Fig. 5 is the top view of Wicresoft's articular process orienting locator main body;
Fig. 6 inserts the schematic diagram after expansion sleeve 8 along the second guide pin 6;
Fig. 7 is the schematic diagram of the release sleeve 9 along the insertion of expansion sleeve 8;
Fig. 8 is the side view replacing rod 10;
Fig. 9 is the front view replacing rod 10;
Figure 10 is the structural representation of hook-shaped sleeve 11;
Figure 11 is the structural representation of trepan 12.
Figure 12 shows that trepan 12 enters to articular process 7 through hook-shaped sleeve 11.
Description of reference numerals: 1, the first guide pin; 11, the helicitic texture of the first guide pin; 2, pedicle of vertebral arch; 3, vertebral body; 4, first end; 41, the through hole one on first end; 42, clamping screw one; 5, the second end; 52, the gathering sill on the second end; 53, slide block; 54, clamping screw two; 531, through hole two; 6, the second guide pin; 7, articular process; 8, sleeve is expanded; 9, release sleeve; 10, rod is replaced; 101, the groove on rod is replaced; 11, hook-shaped sleeve; 111, the hook of hook-shaped sleeve or hook formation; 12, trepan; 121, sawtooth; 122, the helicitic texture of trepan.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is further described, but the present invention is not limited to these embodiments.
Figure 1 shows that vertebra transverse section, the first guide pin 1 pedicle 2 penetrates vertebral body 3.The helicitic texture 11 of the first guide pin head is convenient to the first guide pin and is entered pedicle of vertebral arch.
Figure 2 shows that the front schematic view of Wicresoft's articular process excision orienting locator, the first guide pin 1, through the through hole 1 on first end 4, is installed in orienting locator main body, orienting locator first end is provided with clamping screw 1, by fastening for the first guide pin.Second end 5 of orienting locator there is arc guide groove 52, gathering sill there are slide block 53 and the clamping screw 2 54 in order to lock slider 53, arc guide groove 52 has scale, in order to measure the angle of slide block 53 arcuately gathering sill 52 movement, through hole 2 531, second guide pin 6 via through holes 2 531 that shown slide block 53 is provided with up/down perforation is installed in orienting locator main body.
Figure 3 shows that the side schematic view of Wicresoft's articular process excision orienting locator, second guide pin 6 is installed in orienting locator main body through the slide block 53 on the second end 5, through hole 531 on slide block 53 is made up of 6 points of through holes, form 6 gears, the distance between scalable second guide pin and orienting locator main body.
Fig. 4 is the top perspective schematic diagram of Wicresoft's articular process orienting locator main body.Through hole 1 from figure on visible first end 4, second end 5 has gathering sill 52, gathering sill is provided with slide block 53, can slide along gathering sill, slide block is provided with through hole 2 531, and through hole two is made up of plural point of through hole, form different gear, second guide pin 6 can penetrate different point through holes, thus is arranged on different gear, and then has different distances between orienting locator main body.
Fig. 5 is the top view of Wicresoft's articular process orienting locator main body.Through hole 2 531 is made up of two or more (in figure being a 6) point through hole, forms different gear, and the second guide pin can penetrate different point through holes, thus is arranged on different gear, and then regulates the distance between orienting locator main body.
Fig. 6 is placed on articular process 7 surface along the second guide pin 6 through expanding step by step for expanding sleeve 8.
Fig. 7 is the structural representation of release sleeve 9, and the scoop structure of its head is convenient to muscle and bone to peel away.
Fig. 8 is the side view replacing rod 10.Replace on rod and there is the groove 101 matched with hook-shaped sleeve head hook formation 111.
Fig. 9 is the front view replacing rod 10.Visible replacement rod has the groove 101 matched with hook-shaped sleeve head hook formation 111, when hook-shaped sleeve 11 is inserted along replacement rod or taken out, hook formation or hook 111 pass in and out along groove 101.
Figure 10 is the structural representation of hook-shaped sleeve 11, and hook-shaped sleeve 11 head is provided with hook formation or hook 111, for hooking articular process 7.
Figure 11 is the structural representation of trepan, and visible trepan 12 head is provided with sawtooth 121, and inner portion has helicitic texture 122.
Figure 12 shows that trepan 12 enters to articular process through hook-shaped sleeve 11, visible hook 111 hooks articular process 7, the sawtooth 121 of trepan 12 head can pierce bone and be removed by articular process saw, and the bone amputated can be taken out of when trepan is removed by the helicitic texture 122 of trepan inner portion in the lump.
Concrete, the using method of Wicresoft's arthrectomy orienting locator and guide-localization Wicresoft articular process resection instrument assembly is as follows:
The first step: as shown in Figure 1, thrusts vertebral body 3 by the first guide pin 1 pedicle 2, and the screw thread 41 of the first guide pin 4 head can make guide pin thrust pedicle of vertebral arch and be fixed in pedicle of vertebral arch.
Second step: as shown in Figure 2, by the first guide pin 1 through the through hole 1 on first end 4, is installed in orienting locator main body, orienting locator first end is provided with clamping screw 1, by fastening for the first guide pin.With the clamping screw 2 54 on slide block 53, slide block 53 is installed in the gathering sill in guider main body, the second guide pin 6 via through holes 2 531 is installed on slide block 53, so just the second guide pin 6 is installed in orienting locator main body.
3rd step: the second guide pin 6 is thrust articular process 7.Take out orienting locator main body.
4th step: be inserted in expanding sheath cylinder 8 outside the second guide pin 6, expansion sleeve enters articular process surface along the second guide pin, carries out 3 grades of expansions to skin.
5th step: insert release sleeve 9 along afterbody expansion sleeve 8 and take out expansion sleeve 8; release sleeve is utilized muscle and bone to be peeled away; insert along release sleeve 9 again and replace rod 10 and take out release sleeve 9; insert hook-shaped sleeve 11 along replacement rod 10 and take out and replace excellent 10; articular process is hooked with the hook formation 111 on hook-shaped sleeve; neuroprotective, in order to avoid it is damaged by trepan, hook formation can also facilitate trepan to operate.
6th step: insert trepan 12 along hook-shaped sleeve 11, excises articular process 7 with the sawtooth 121 on trepan, and the broken bone of articular process under excision is taken out of when trepan is removed by the helicitic texture 122 of trepan head in the lump.
7th step: insert along hook-shaped sleeve 11 and replace rod 10 and take out hook-shaped sleeve 11, completes articular process excision process.
The invention provides a kind of Wicresoft articular process excision orienting locator and guide-localization Wicresoft articular process resection instrument assembly, the trouble free service trigonum that spinal endoscopes enters lumbar vertebra can be realized, make the accurate Transpedicular entrance of operation, the appropriate excision of articular process is achieved under Wicresoft's condition, destroy little to spinal motion segment stability, avoid surgical injury to nerve.The present invention can also realize only cutting very little wound via the lateral cutaneous tissue of passage, substantially reduces wound area, is conducive to the fast quick-recovery of patient.
Omit the description for known technology in full.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. Wicresoft's articular process excision orienting locator, it is characterized in that, described Wicresoft articular process excision orienting locator have first end (4) and the second end (5), for thrust pedicle of vertebral arch the first guide pin (1), for inserting second guide pin (6) of articular process;
Described first end is provided with the through hole one (41) passed for the first guide pin;
Gathering sill (52) through before and after described second end is provided with, gathering sill is provided with the slide block (53) that can slide along gathering sill, slide block is provided with the through hole two (531) passed for the second guide pin.
2. Wicresoft as claimed in claim 1 articular process excision orienting locator, it is characterized in that, the through hole two (531) on described slide block is made up of at least two points of through holes.
3. Wicresoft as claimed in claim 1 articular process excision orienting locator, it is characterized in that, the head of described first guide pin (1) is provided with helicitic texture (11).
4. a guide-localization Wicresoft articular process resection instrument assembly, is characterized in that, described guide-localization Wicresoft articular process resection instrument assembly comprises:
The arbitrary described Wicresoft's articular process excision orienting locator of claims 1 to 3;
The expansion sleeve (8) cut skin expanded step by step along the second guide pin;
For peeling off the release sleeve (9) of tissue;
For the replacement rod (10) that hook-shaped sleeve (11) is inserted and taken out;
For hooking the hook-shaped sleeve (11) of articular process;
For excising the trepan (12) of articular process.
5. guide-localization Wicresoft according to claim 4 articular process resection instrument assembly, is characterized in that, the head of described hook-shaped sleeve (11) is provided with hook formation (111).
6. guide-localization Wicresoft according to claim 4 articular process resection instrument assembly, is characterized in that, the head of described trepan (12) is provided with sawtooth (121).
7. guide-localization Wicresoft according to claim 4 articular process resection instrument assembly, is characterized in that, the inner side of described trepan (12) head has helicitic texture (122).
8. guide-localization Wicresoft according to claim 4 articular process resection instrument assembly, is characterized in that, described replacement rod (10) is provided with the groove (101) matched with hook-shaped sleeve head hook formation (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923358.6A CN105559894A (en) | 2015-12-14 | 2015-12-14 | Minimally invasive facetectomy guiding and positioning device and minimally invasive facetectomy guiding and positioning instrument assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923358.6A CN105559894A (en) | 2015-12-14 | 2015-12-14 | Minimally invasive facetectomy guiding and positioning device and minimally invasive facetectomy guiding and positioning instrument assembly |
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| CN105559894A true CN105559894A (en) | 2016-05-11 |
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|---|---|---|---|
| CN201510923358.6A Pending CN105559894A (en) | 2015-12-14 | 2015-12-14 | Minimally invasive facetectomy guiding and positioning device and minimally invasive facetectomy guiding and positioning instrument assembly |
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| CN (1) | CN105559894A (en) |
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| CN108309395A (en) * | 2018-02-02 | 2018-07-24 | 贺石生 | A kind of device for foramen intervertebrale lens operation |
| CN108969061A (en) * | 2017-06-01 | 2018-12-11 | 崔家鸣 | A kind of surgical instrument gap bridge device and the surgical instrument assemblies using the gap bridge device |
| CN115337087A (en) * | 2022-08-25 | 2022-11-15 | 北京市海淀医院 | Fascia positioning detector |
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Application publication date: 20160511 |