CN102389327A - Hand-operated pediculus arcus vertebrae opening drill - Google Patents
Hand-operated pediculus arcus vertebrae opening drill Download PDFInfo
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- CN102389327A CN102389327A CN2011103412194A CN201110341219A CN102389327A CN 102389327 A CN102389327 A CN 102389327A CN 2011103412194 A CN2011103412194 A CN 2011103412194A CN 201110341219 A CN201110341219 A CN 201110341219A CN 102389327 A CN102389327 A CN 102389327A
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- pedicle
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Abstract
The invention discloses a hand-operated pediculus arcus vertebrae opening drill. The opening drill comprises a drill head part, a drill thread part, a rod body part and a handle part, wherein the drill head part is connected with the drill thread part; one end of the rod body part is connected with the drill thread part, and the other end of the rod body part is connected with the handle part; the drill head part is in a round-blunt conical shape with opening action; and the rod body part is prepared from elastic material with a proper bending property, and is used for guiding the drill head part to divert under the action of elastic force while encountering hard cortex bones. The opening drill has the advantages that: the design is reasonable, and the structure is simple; and by utilizing a smooth blunt drill head part and an elastic rod body part with a bending property, when the drill head part encounters hard cortex bones, the rod body part provides a guiding function for the drill head part by utilizing the proper bending property of the elastic material, thus the drill head part diverts to spongy bones along the elasticity of the rod body part. Therefore, a screw entering channel can be rapidly, accurately and safely built in relatively narrow pediculus arcus vertebrae, thus deviation generated during drilling is avoided and the operation safety is improved.
Description
Technical field
The present invention relates to a kind of spinal column rear side pedicle of vertebral arch and put nail with manual pedicle of vertebral arch open circuit brill, is a kind of operating theater instruments that pedicle of vertebral arch is put nail that is used for.
Background technology
Since the eighties in last century, the pedicle screw technology was come out, its development had been widely used in the treatment of the various illness of spinal column, like centrum olisthe, spinal column degeneration, vertebral fracture, deformity, spinal canal stenosis, metastatic tumor of bone, spinal column unstability etc. rapidly.Each vertebral body has two pedicles of vertebral arch, i.e. formed domes of vertebral plate, the fulcrum at two ends, the vertebral body through its place ahead be connected and pedicle of vertebral arch grow inferior articular process up and down respectively, be connected with the vertebral body that links to each other up and down.Pedicle of vertebral arch is the bone property structure that cortical bone surrounds, and wherein is full of spongy bone, has linked up the front pillar and the rear pillar of spinal column, and therefore, pedicle of vertebral arch is called as epicentral power nuclear.At present, pedicle screw is to use one of internal fixation device the most widely in the spinal surgery, and successful, the safe implantation of pedicle screw is the key that guarantees that operation is successful; For the safety that guarantees screw is implanted; The passage that before pedicle screw, needs pre-established screw to get into usually; The foundation of this passage is according to the feel of surgical doctor and experience mostly; According to exploratory the piercing of pedicle of vertebral arch direction roughly out of shape, therefore have higher screw misplace probability, passage is prone to pass pedicle of vertebral arch; Because anatomical structure is complicated around the pedicle of vertebral arch, adjoins canalis spinalis and nerve, can cause spinal cord and neural damage to cause the patient to paralyse or dysfunction, also might pass the damage that vertebral body is caused blood vessel and thoracic cavity, abdominal viscera, threat to life.
At present, in the operative process that pedicle of vertebral arch is implanted, the instrument that routine is used for the pedicle of vertebral arch prebored hole is a triangular pyramid.The boring direction of triangular pyramid is estimated decision by the patient fully, if the axis direction of boring direction and pedicle of vertebral arch has significantly difference, triangular pyramid will be worn out pedicle of vertebral arch cortex, causes the prebored hole failure, and the safety and precise that influences pedicle nail is implanted.Anthropometry's research simultaneously shows that there is certain variation in the vertebral body pedicle of vertebral arch between the different crowds, and particularly to dissect external diameter little for pedicle for cervical vertebra arch, and range of variation is big, and adjoins important structure such as vertebral artery, nerve root, spinal cord, and it is bigger accurately to put the nail difficulty; It all is extremely dangerous or even catastrophic that the pedicle of vertebral arch of any direction is worn out consequence.There is sizable risk in traditional free-hand nail method of putting, and is closely related with the familiarity of patient's anatomical structure, surgical experience, operation skill etc.Implant the accuracy of preceding screw conduits open circuit in order to guarantee pedicle screw; Existing solution has two kinds usually; A kind of is to adopt to put the nail guider; But owing to existingly put that nail guider common volume is bigger, heavy, range of application is narrower, cost is higher, thereby the degree of promoting the use of is low; Another kind is to adopt the computer navigation technology to carry out the implantation of pedicle nail, and it costs an arm and a leg, and general hospital can't be equipped with this equipment or be difficult to bear its high expense.Therefore be in safety and operation cost consideration, the pedicle screw related surgical is the operation forbidden zone of basic hospital, generally can only be confined to the development of tertiary hospitals spinal surgery for a long time.
Therefore; The accuracy that how to guarantee the screw conduits open circuit is to guarantee the successful key of spinal operation; The utilization modern concepts designs a kind of screw conduits simple to operate, safety and precise and opens a way device in advance for making things convenient for operation technique; Guarantee operation safety, carry out related surgical at basic hospital, promote China's spinal surgery level of development to have value very important and that use.
Summary of the invention
Goal of the invention: the objective of the invention is to the deficiency to prior art, a kind of guide function that has is provided, the manual pedicle of vertebral arch open circuit that produces bias in the time of avoiding holing bores.
Technical scheme: manual pedicle of vertebral arch open circuit of the present invention bores, and comprises bit head, bores stricture of vagina portion, rod body part and handle portion, and said bit head is connected with said brill stricture of vagina portion; One end of said rod body part is connected with said brill stricture of vagina portion, and the other end is connected with said handle portion, and said bit head is that to have a circle obtuse of open circuit effect conical; Said rod body part is processed by the elastomeric material with suitable bending property, is used to guide said bit head when running into hard cortical bone, under resilient force, to turn to.
The conical bit head of circle obtuse of the present invention mainly plays the open circuit effect; The smooth circle of the vertex of a cone is blunt, can carry out part mill to the cortical bone in the pedicle nail road and frustrate and be difficult for wearing out inboard cortex, when running into hard cortical bone; Bit head can turn to the spongy bone in the pedicle of vertebral arch along the elasticity of rod body part; Thereby play the effect that direction is regulated, reach the purpose in accurate guiding, nail road, location, be unlikely to bore pedicle of vertebral arch injured blood vessel or nerve thoroughly.Rod body part has suitable elasticity and rigidity, and it mainly acts on is to guarantee that bit head can advance in spongy bone smoothly, thereby rod body part occurs bending and deformation and regulates the direction of advance of bit head when running into the resistance that hard cortical bone produces.The material of rod body part can be selected for use can satisfy the material that above-mentioned elasticity requires arbitrarily, and the inventor has selected for use Kirschner wire and steinman pin as rod body part in concrete experiment, can realize purpose of the present invention.If pedicle of vertebral arch open circuit bores when piercing direction and obviously departing from the pedicle of vertebral arch axis direction; The elastic rod body also can be transferred to handle portion with this tangible change in resistance; Be convenient to the operator and return pedicle of vertebral arch open circuit brill; Initially pierce direction from new adjustment, avoid the blood vessel or the nerve of pedicle of vertebral arch are caused damage.
For the ease of the location, said rod body part is provided with graduation mark, can reflect the degree of depth that drill bit pierces.
For the ease of open circuit, said bit head and said brill stricture of vagina portion are for being wholely set.
For the ease of control, the diameter of said brill stricture of vagina portion is identical with the conical cone bottom diameter of said bit head, and the diameter of said rod body part is identical with the diameter of said brill stricture of vagina portion, and said brill stricture of vagina portion one end is connected with said handle portion through the connecting portion that diameter increases gradually.
The manual pedicle of vertebral arch open circuit of the present invention bores, and is different according to the anatomical structure of spinal column cervical vertebra, thoracic vertebra, pedicle of lumbar vertebral arch size length, sets out four kinds of specifications of following comparative optimization:
(1), the conical cone bottom diameter of said bit head is 2.0mm, the circular cone height is 2.0mm; The diameter of said brill stricture of vagina portion is 2.0mm, and length is 10mm; The diameter of said rod body part is 2.0mm, long 15cm, and said rod body part is provided with three graduation marks, respectively at leading edge 20mm, 30mm and 40mm place apart from said bit head, and distinguishes labelling 20mm, 30mm, 40mm, the length of said handle portion is 8cm;
(2), the conical cone bottom diameter of said bit head is 3.0mm, the circular cone height is 3.0mm; The diameter of said brill stricture of vagina portion is 3.0mm, and length is 10mm; The diameter of said rod body part is 3.0mm, long 15cm, and said rod body part is provided with three graduation marks, respectively at leading edge 30mm, 40mm and 50mm place apart from said bit head, and distinguishes labelling 30mm, 40mm, 50mm, and the length of said handle portion is 8cm;
(3), the conical cone bottom diameter of said bit head is 4.0mm, the circular cone height is 4.0mm; The diameter of said brill stricture of vagina portion is 4.0mm, and length is 10mm; The diameter of said rod body part is 4.0mm, long 15cm, and said rod body part is provided with three graduation marks, respectively at leading edge 30mm, 40mm and 50mm place apart from said bit head, and distinguishes labelling 30mm, 40mm, 50mm, and the length of said handle portion is 8cm;
(4), the conical cone bottom diameter of said bit head is 5.0mm, the circular cone height is 5.0mm; The diameter of said brill stricture of vagina portion is 5.0mm, and length is 10mm; The diameter of said rod body part is 5.0mm, long 15cm, and said rod body part is provided with three graduation marks, respectively at leading edge 30mm, 40mm and 50mm place apart from said bit head, and distinguishes labelling 30mm, 40mm, 50mm, and the length of said handle portion is 8cm.
The present invention compared with prior art, its beneficial effect is:
(1) the present invention is reasonable in design, and is simple in structure, utilizes slick passivity bit head and the elastic rod body with bending property; When bit head ran into hard cortical bone, rod body part was utilized the suitable bending property of its elastomeric material, for bit head provides guide function; Make bit head turn to spongy bone along the elasticity of rod body part; Thereby can be quick, accurate, safe in narrow and small relatively pedicle of vertebral arch set up the screw admission passage, produce bias when avoiding holing, improve the accuracy rate of putting nail; Reduce the generation of nervus vasculairs damage, increase the safety of operation;
(2) the present invention is different according to the anatomical structure of spinal column cervical vertebra, thoracic vertebra, pedicle of lumbar vertebral arch size length, and the manual pedicle of vertebral arch open circuit that designs corresponding four kinds of specifications bores, and is adapted to cervical vertebra respectively, goes up thoracic vertebra and thoracic vertebra and lumbar vertebra down; The size of its bit diameter with pierce the setting of the degree of depth, adapt with corresponding pedicle screw respectively, the pedicle of vertebral arch of corresponding sections uses corresponding pedicle of vertebral arch open circuit to bore, and makes that to put nail safe and effective more smoothly;
(3) according to above-mentioned (1) bar effect; In the application process of the present invention; Need not the auxiliary of image documentation equipment; Only need put nail and finish position and the reduction of the fracture or the malformation correction situation that back C arm machine perspective is confirmed screw, reduce and put the lonizing radiation injury that the nail technology causes operative doctor and patient, reduce the hazardness of operation;
(4) according to above 3 effects, use the present invention and can shorten operating time indirectly, reduce the surgical exposure overlong time and the infection probability that causes by internal fixation of spine that causes; Reduce the corrective surgery amount of bleeding simultaneously, reduced the danger of patient's blood transfusion.
Description of drawings
Fig. 1 is the structural representation of product of the present invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the partial enlarged drawing of Fig. 2.
The specific embodiment
Be elaborated in the face of technical scheme of the present invention down, but protection scope of the present invention is not limited to said embodiment.
Embodiment:Like Fig. 1,2, shown in 3, product of the present invention mainly comprises bit head 1, bores stricture of vagina portion 2, rod body part 3 and handle portion 4, and said bit head 1 is wholely set with said brill stricture of vagina portion 2; One end of said rod body part 3 is connected with said brill stricture of vagina portion 2, and the other end is connected with said handle portion 4, and said bit head 1 is conical for the circle obtuse with open circuit effect; Said rod body part 3 is processed by the elastomeric material with suitable bending property, is used to guide said bit head 1 when running into hard cortical bone, under resilient force, to turn to.Said rod body part 3 is provided with graduation mark.The diameter of said brill stricture of vagina portion 2 is identical with the conical cone bottom diameter of said bit head 1, and the diameter of said rod body part 3 is identical with the diameter of said brill stricture of vagina portion 2, and said brill stricture of vagina portion 2 one ends are connected with said handle portion 4 through the connecting portion that diameter increases gradually.
Product of the present invention mainly contain following four kinds of specifications: bit head 1 conical cone bottom diameter is respectively 2.0mm, 3.0mm, 4.0mm, 5.0mm, and the circular cone height is respectively 2.0mm, 3.0mm, 4.0mm, 5.0mm; Boring stricture of vagina portion 2 length is 10mm; Rod body part 3 has three graduation marks, and four kinds of specifications are respectively apart from the leading edge 20mm of bit head 1,30mm, 40mm and 50mm place, and labelling 20mm, 30mm, 40mm and 50mm respectively.
The concrete method for using of product of the present invention:
Behind definite pedicle of vertebral arch entry point; Gag cortical bone opening; In opening part along the pedicle of vertebral arch axis direction pedicle of vertebral arch open circuit of the present invention is bored clockwise direction and be screwed into, handle portion firmly evenly, is screwed into the corresponding degree of depth according to different vertebral bodys in piercing the process of pedicle of vertebral arch.If pedicle of vertebral arch open circuit brill runs into tangible resistance and can not advance in piercing process; Explain that the direction and the pedicle of vertebral arch axis angle that pierce are bigger; The front end that pedicle of vertebral arch open circuit the bores pedicle of vertebral arch cortical bone of having conflicted, and the passivity drill bit that the angle of the axis direction that bores of pedicle of vertebral arch open circuit and pedicle of vertebral arch axis direction can not lean on the pedicle of vertebral arch open circuit to bore regulates, the pedicle of vertebral arch drill bit of opening a way can't change spongy bone over to; Should return the pedicle of vertebral arch open circuit this moment and bore, initially pierce direction from new adjustment.If when beginning pierce direction and the pedicle of vertebral arch axis direction does not have bigger deviation; The passivity front end that the pedicle of vertebral arch open circuit bores in piercing process is pedicle of vertebral arch tangent line position conflict pedicle of vertebral arch cortical bone closely; Under the situation of not wearing out cortical bone; Streak tangent line position along cortical bone, and the automatic appropriateness adjustment pedicle of vertebral arch open circuit direction of advance of boring, and makes the axis direction of itself and pedicle of vertebral arch more approaching.
Because bit head 1 of the present invention has the special construction design with rod body part 3, so on use is implemented, have following advantage:
(1) nail road accurate positioning:
(2) implementation and operation is simply quick:
Because the present invention provides accurate in locating nail road for the implantation of pedicle screw; So can put nail fast and accurately along angle of the present invention and direction; Can reduce X inspection number of times and operating time earlier, reduce patient's intraoperative blood loss, reduce the danger of patient's operation relatively.
As stated, although represented and explained the present invention that with reference to specific preferred embodiment it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite that does not break away from the accompanying claims definition, can make various variations in form with on the details to it.
Claims (8)
1. a manual pedicle of vertebral arch open circuit bores, and comprises bit head (1), bores stricture of vagina portion (2), rod body part (3) and handle portion (4), and said bit head (1) is connected with said brill stricture of vagina portion (2); One end of said rod body part (3) is connected with said brill stricture of vagina portion (2), and the other end is connected with said handle portion (4), it is characterized in that: said bit head (1) is conical for the circle obtuse with open circuit effect; Said rod body part (3) is processed by the elastomeric material with bending property, is used to guide said bit head (1) when running into hard cortical bone, under resilient force, to turn to.
2. manual pedicle of vertebral arch open circuit according to claim 1 bores, and it is characterized in that: said rod body part (3) is provided with graduation mark.
3. manual pedicle of vertebral arch open circuit according to claim 1 bores, and it is characterized in that: said bit head (1) and said brill stricture of vagina portion (2) are for being wholely set.
4. manual pedicle of vertebral arch open circuit according to claim 1 bores; It is characterized in that: the diameter of said brill stricture of vagina portion (2) is identical with the conical cone bottom diameter of said bit head (1); The diameter of said rod body part (3) is identical with the diameter of said brill stricture of vagina portion (2), and said brill stricture of vagina portion (2) one ends are connected with said handle portion (4) through the connecting portion that diameter increases gradually.
5. manual pedicle of vertebral arch open circuit according to claim 1 bores, and it is characterized in that: the conical cone bottom diameter of said bit head (1) is 2.0mm, and the circular cone height is 2.0mm; The diameter of said brill stricture of vagina portion (2) is 2.0mm, and length is 10mm; The diameter of said rod body part (3) is 2.0mm, long 15cm, and said rod body part (3) is provided with three graduation marks; Respectively at leading edge 20mm, 30mm and 40mm place apart from said bit head (1); And distinguish labelling 20mm, 30mm, and 40mm, the length of said handle portion (4) is 8cm.
6. manual pedicle of vertebral arch open circuit according to claim 1 bores, and it is characterized in that: the conical cone bottom diameter of said bit head (1) is 3.0mm, and the circular cone height is 3.0mm; The diameter of said brill stricture of vagina portion (2) is 3.0mm, and length is 10mm; The diameter of said rod body part (3) is 3.0mm; Long 15cm, said rod body part (3) is provided with three graduation marks, respectively at leading edge 30mm, 40mm and 50mm place apart from said bit head (1); And distinguish labelling 30mm, 40mm, 50mm, the length of said handle portion (4) is 8cm.
7. manual pedicle of vertebral arch open circuit according to claim 1 bores, and it is characterized in that: the conical cone bottom diameter of said bit head (1) is 4.0mm, and the circular cone height is 4.0mm; The diameter of said brill stricture of vagina portion (2) is 4.0mm, and length is 10mm; The diameter of said rod body part (3) is 4.0mm; Long 15cm, said rod body part (3) is provided with three graduation marks, respectively at leading edge 30mm, 40mm and 50mm place apart from said bit head (1); And distinguish labelling 30mm, 40mm, 50mm, the length of said handle portion (4) is 8cm.
8. manual pedicle of vertebral arch open circuit according to claim 1 bores, and it is characterized in that: the conical cone bottom diameter of said bit head (1) is 5.0mm, and the circular cone height is 5.0mm; The diameter of said brill stricture of vagina portion (2) is 5.0mm, and length is 10mm; The diameter of said rod body part (3) is 5.0mm; Long 15cm, said rod body part (3) is provided with three graduation marks, respectively at leading edge 30mm, 40mm and 50mm place apart from said bit head (1); And distinguish labelling 30mm, 40mm, 50mm, the length of said handle portion (4) is 8cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103412194A CN102389327A (en) | 2011-11-02 | 2011-11-02 | Hand-operated pediculus arcus vertebrae opening drill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103412194A CN102389327A (en) | 2011-11-02 | 2011-11-02 | Hand-operated pediculus arcus vertebrae opening drill |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103054623A (en) * | 2013-01-15 | 2013-04-24 | 温州医学院附属第一医院 | Foramen reaming tool used during transforaminal approach surgery under spinal endoscope |
| CN103142288A (en) * | 2013-03-29 | 2013-06-12 | 邵卫星 | Bone drill for centrum |
| CN104856742A (en) * | 2013-12-16 | 2015-08-26 | 奥迪康医疗有限公司 | Method And Device For Installing An Implant For A Bone Anchored Hearing Aid |
| CN105496545A (en) * | 2014-12-24 | 2016-04-20 | 北京纳通科技集团有限公司 | Auxiliary combined instrument for repairing proximal femoral fracture and auxiliary element thereof |
| CN107049419A (en) * | 2017-05-11 | 2017-08-18 | 山东大学 | A kind of Pediculus arcus vertebrae drilling device and method with force feedback |
| CN110151251A (en) * | 2019-05-30 | 2019-08-23 | 中国人民解放军总医院 | A kind of intercondylar osteotomy brill |
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| CN101040794A (en) * | 2006-03-24 | 2007-09-26 | 德普伊产品公司 | Fastening system for internal fixation |
| CN201157397Y (en) * | 2008-03-14 | 2008-12-03 | 张传林 | Thoracolumbar transpedicular internal bone grafting instrument |
| CN201822898U (en) * | 2010-05-06 | 2011-05-11 | 丁亮华 | Combined apparatus for installing endophyte in vertebral body through vertebral pedicle |
| CN202355444U (en) * | 2011-11-02 | 2012-08-01 | 江苏省人民医院 | Manual guide drill for pedicle of vertebral arch |
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2011
- 2011-11-02 CN CN2011103412194A patent/CN102389327A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101040794A (en) * | 2006-03-24 | 2007-09-26 | 德普伊产品公司 | Fastening system for internal fixation |
| CN201157397Y (en) * | 2008-03-14 | 2008-12-03 | 张传林 | Thoracolumbar transpedicular internal bone grafting instrument |
| CN201822898U (en) * | 2010-05-06 | 2011-05-11 | 丁亮华 | Combined apparatus for installing endophyte in vertebral body through vertebral pedicle |
| CN202355444U (en) * | 2011-11-02 | 2012-08-01 | 江苏省人民医院 | Manual guide drill for pedicle of vertebral arch |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103054623A (en) * | 2013-01-15 | 2013-04-24 | 温州医学院附属第一医院 | Foramen reaming tool used during transforaminal approach surgery under spinal endoscope |
| CN103142288A (en) * | 2013-03-29 | 2013-06-12 | 邵卫星 | Bone drill for centrum |
| CN104856742A (en) * | 2013-12-16 | 2015-08-26 | 奥迪康医疗有限公司 | Method And Device For Installing An Implant For A Bone Anchored Hearing Aid |
| CN105496545A (en) * | 2014-12-24 | 2016-04-20 | 北京纳通科技集团有限公司 | Auxiliary combined instrument for repairing proximal femoral fracture and auxiliary element thereof |
| CN107049419A (en) * | 2017-05-11 | 2017-08-18 | 山东大学 | A kind of Pediculus arcus vertebrae drilling device and method with force feedback |
| CN110151251A (en) * | 2019-05-30 | 2019-08-23 | 中国人民解放军总医院 | A kind of intercondylar osteotomy brill |
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Application publication date: 20120328 |