CN204121155U - A kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw - Google Patents
A kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw Download PDFInfo
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- CN204121155U CN204121155U CN201420533979.4U CN201420533979U CN204121155U CN 204121155 U CN204121155 U CN 204121155U CN 201420533979 U CN201420533979 U CN 201420533979U CN 204121155 U CN204121155 U CN 204121155U
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- nail
- head
- groove
- tool
- breaking
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- 241000517325 Pediculus Species 0.000 title claims abstract description 40
- 238000012856 packing Methods 0.000 claims abstract description 24
- 210000003734 kidney Anatomy 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 16
- 238000012216 screening Methods 0.000 claims abstract description 16
- 238000003780 insertion Methods 0.000 claims abstract description 12
- 230000037431 insertion Effects 0.000 claims abstract description 12
- 239000004570 mortar (masonry) Substances 0.000 claims description 21
- 210000003205 muscle Anatomy 0.000 claims description 5
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 210000001215 vagina Anatomy 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 206010052428 Wound Diseases 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003416 augmentation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002682 general surgery Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 208000037816 tissue injury Diseases 0.000 description 1
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- Prostheses (AREA)
Abstract
What a kind of extended type Wicresoft of this utility model hollow Pediculus arcus vertebrae screw related to is surgical medical equipment technical field, specifically, is a kind of Wicresoft's hollow Pediculus arcus vertebrae screw of the band protective sleeve for spine correcting and internal fixtion.Be made up of the head of a nail, rivet nut, packing washer, rivet nut top is arranged in the head of a nail, and spacing fixing by packing washer, the head of a nail is provided with nail seat and lengthens sleeve pipe, nail seat and lengthening sleeve pipe are an entirety, between nail seat and lengthening sleeve pipe, be provided with wedge-shaped slot, to fracture in art; Head of a nail two sides are provided with kidney slot, described kidney slot by lifting reseting groove, tool for breaking off groove, tool for breaking off insertion groove form, lift reseting groove, tool for breaking off groove are communicated with tool for breaking off insertion groove, and be respectively used to lift and reset, tool for breaking off inserts and the head of a nail adds fractureing of long end; The another two sides of the head of a nail are provided with U-type groove, and in art, convenient rod inserts; Be provided with screening glass in U-type groove upper end, can in transportation, protect the head of a nail indeformable.
Description
Technical field
What a kind of extended type Wicresoft of this utility model hollow Pediculus arcus vertebrae screw related to is surgical medical equipment technical field, specifically, is a kind of Wicresoft's hollow Pediculus arcus vertebrae screw of the band protective sleeve for spine correcting and internal fixtion.
Background technology
Along with operating theater instruments continuous renewal, the advanced continuous appearance of medical imaging equipment and the application of art Computer assisting navigation, less invasive techniques develops very fast in spinal surgery.The convenience of current general surgery in order to install, reach operating surface large, operation wound is large, healing is slow, easily cause the complication of wound face, and Wicresoft refers to the one operation or the test mode that reach best operative effect with minimum invasion and attack and the interference of minimum physiology, topmost feature is wound microminiaturization.Surgical operation is as planned wound, and patient should make every effort to the wound of operation be reduced to bottom line, reaches the object of Wicresoft.Minimally Invasive Surgery reduces operating time, reduces the sickness rate of complication, and alleviate Shu Zhong tissue injury and hemorrhage, shorten patient recovery times, alleviating operation pain, is that otch is attractive in appearance, shortens and is in hospital and rehabilitation duration, reduces the Financial cost of drug use and hospital costs.In a word, Minimally Invasive Surgery meets the requirement of harmonious society to public medical and health cause from medical science professional attributes and social property these two aspects, along with the development of science and technology, vertebral column minimally invasive technology, using the part as conventional surgical techniques, becomes a main trend of internal fixation of spine technical development.
Summary of the invention
This utility model object provides a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw for above-mentioned weak point, a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw head of a nail lengthens sleeve pipe and coordinates percutaneous to enter tissue with operation tool, wound is little, and especially the cross-sectional area of wound reduces greatly; The kidney slot cooperation operation tool of described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw head of a nail lengthening sleeve pipe can operate in vitro and carry out lift reset; also play the effect coordinating with operation tool and fracture simultaneously; the U-type groove upper end of described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw head of a nail is provided with screening glass, can guarantee that product design is indeformable in Product transport process.
A kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw takes following technical scheme to realize:
A kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw is made up of the head of a nail, rivet nut, packing washer, and rivet nut top is arranged in the head of a nail, and spacing fixing by packing washer.The head of a nail is provided with nail seat and lengthens sleeve pipe, and nail seat and lengthening sleeve pipe are an entirety, between nail seat and lengthening sleeve pipe, be provided with wedge-shaped slot, to fracture in art; Head of a nail two sides are provided with kidney slot, described kidney slot by lifting reseting groove, tool for breaking off groove, tool for breaking off insertion groove form, lift reseting groove, tool for breaking off groove are communicated with tool for breaking off insertion groove, and be respectively used to lift and reset, tool for breaking off inserts and the head of a nail adds fractureing of long end; The another two sides of the head of a nail are provided with U-type groove, and in art, convenient rod inserts; Be provided with screening glass in U-type groove upper end, can in transportation, protect the head of a nail indeformable, be provided with short muscle between screening glass with lengthening sleeve pipe and be connected, be easy to fracture in art; Head of a nail lower inner wall is provided with female thread, and rivet nut adopts hollow design.
operation principle
After cutting skin during spinal operation, skin Micro-operation is expanded by pipeline augmentation system, guide pin is inserted at the corresponding site implanting rivet nut, by the operation tool of hollow, screw is installed to relevant position according to the guide pin of previously having inserted, withdraw pipeline augmentation system afterwards, corresponding operation tool is utilized to select the screening glass that fractures according to practical situation in art, the plug screw matched is screwed into after putting into rod by U-type groove, lift can be carried out to spinal column after corresponding operation tool can being utilized to coordinate with the lift reseting groove in kidney slot according to practical situation in art afterwards to reset, pedicle nail is contacted well with internal fixation bar.After plug screw pushes down internal fixation bar, be rotated in place, namely insert the tool for breaking off insertion groove in kidney slot by corresponding tool for breaking off, then the tool for breaking off groove in kidney slot is coordinated elongated portion to be fractureed taking-up, easy to operate, be applicable to backbone correcting and reset, safe and effective.
A kind of extended type Wicresoft of this utility model hollow Pediculus arcus vertebrae screw advantage:
(1) described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw head of a nail lengthening sleeve pipe coordinates percutaneous to enter tissue with operation tool, and wound is little, and especially the cross-sectional area of wound reduces greatly;
(2) the kidney slot cooperation operation tool of described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw head of a nail lengthening sleeve pipe can operate in vitro and carry out lift reset, also plays the effect coordinating with operation tool and fracture simultaneously;
(3) the U-type groove upper end of described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw head of a nail is provided with screening glass, can guarantee that product design is indeformable in Product transport process;
(4) described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw rivet nut screw thread double end variable diameter design can increase the hold of screw and to enter nail speed fast;
(5) described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw rivet nut is hollow design, adopts the instrument of hollow can be installed to corresponding site along previous guide pin.
Accompanying drawing explanation
Below with reference to accompanying drawing, the utility model is described in further detail:
Fig. 1 is a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw structural front view.
Fig. 2 states a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw structure left view.
Fig. 3 is the structural front view of a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw packing washer.
Label in accompanying drawing is: 1, the head of a nail, 11, U-type groove, 12, nail seat, 13, female thread one, 14, cylinder one, 15, groove one, 16, groove two, 17, spherical mortar cup one, 18, through hole one, 19, lengthen sleeve pipe, 110, kidney slot, 1101, lift reseting groove, 1102, tool for breaking off insertion groove, 1103, tool for breaking off groove, 111, wedge-shaped slot, 112, screening glass, 113, short muscle, 2, rivet nut, 21, spherical mortar body, 22, inner hexagonal hole, 23, step, 24, double thread, 25, hollow hole, 3, packing washer, 31, through hole two, 32, U-type groove hole, 33, protruding, 34, spherical mortar cup two, 35, cylinder two.
Detailed description of the invention
With reference to accompanying drawing 1,2,3, a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw is made up of the head of a nail 1, rivet nut 2, packing washer 3, and rivet nut 2 top is arranged in the head of a nail 1, and spacing fixing by packing washer 3.The head of a nail 1 is provided with nail seat 12 and lengthens sleeve pipe 19, and nail seat 12 and lengthening sleeve pipe 19 are an entirety, between nail seat 12 and lengthening sleeve pipe 19, be provided with wedge-shaped slot 111, to fracture in art; The head of a nail 1 two sides are provided with kidney slot 110, described kidney slot 110 is made up of lift reseting groove 1101, tool for breaking off groove 1103, tool for breaking off insertion groove 1102, lift reseting groove 1101, tool for breaking off groove 1103 are communicated with tool for breaking off insertion groove 1102, be respectively used to lift reset, tool for breaking off inserts and the head of a nail adds fractureing of long end; The another two sides of the head of a nail 1 are provided with U-type groove 11, and in art, convenient rod inserts; Be provided with screening glass 112 in U-type groove 11 upper end, can in transportation, protect the head of a nail indeformable, be provided with short muscle between screening glass 112 with lengthening sleeve pipe 19 and be connected, be easy to fracture in art; The head of a nail 1 lower inner wall is provided with female thread, and rivet nut 2 is hollow.
The detailed description of the invention of a kind of extended type Wicresoft of hollow Pediculus arcus vertebrae screw of described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw is below provided.
Accompanying drawing 1 and Fig. 2 are the two-dimensional representation of described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw, and accompanying drawing 3 is the two-dimensional representation of packing washer.
As shown in Figures 1 and 2, a kind of novel Wicresoft of described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw hollow Pediculus arcus vertebrae screw is made up of the head of a nail 1, rivet nut 2, packing washer 3, and rivet nut 1 is arranged in the head of a nail 2, and spacing fixing by packing washer 3.
As shown in Figures 1 and 2, the described head of a nail 1 is provided with nail seat 12 and lengthens sleeve pipe 19, nail seat 12 and lengthening sleeve pipe are an entirety, nail seat 12 both sides inwall has the groove one 15 axially vertical with the head of a nail and groove 2 16, wedge-shaped slot 111 is provided with between nail seat 12 and lengthening sleeve pipe 19, the head of a nail 1 two sides are provided with kidney slot 110, kidney slot 110 is made up of lift reseting groove 1101, tool for breaking off insertion groove 1102, tool for breaking off groove 1103, the another two sides of the head of a nail 1 are provided with U-type groove 11, and U-type groove 11 open at one end inwall is provided with female thread 1; Inwall main body is cylinder 1, is provided with spherical mortar cup 1 and through hole 1 bottom the head of a nail 1; Both sides, head of a nail upper end are provided with screening glass 112, have short muscle 113 to be connected between screening glass 112 with lengthening sleeve pipe 19.
As shown in Figure 1, described rivet nut 2 head is provided with spherical mortar body 21 and inner hexagonal hole 22, and spherical mortar end of body is provided with some steps 23, and the spherical mortar body 21 of rivet nut head coordinates with the spherical mortar cup 2 34 on the spherical mortar cup 1 on the head of a nail and packing washer 3; Rivet nut body spiro stricture of vagina is double thread 24, and rivet nut is hollow 25.
As shown in accompanying drawing 1 and Fig. 3, described packing washer 3 is provided with through hole 2 31, one end has U-type groove hole 32, two edges projection 33 is stuck in groove 1 place of head of a nail inwall in order to spacing, packing washer lower end is provided with spherical mortar cup 2 34, packing washer outside main body is cylinder 2 35, mates with head of a nail inwall body cylindrical 1.
This utility model Wicresoft hollow Pediculus arcus vertebrae screw assemble flow is: first by through hole one 18 place of rivet nut 2 through the head of a nail 1, its bulb mortar body 21 coordinates with the spherical mortar cup 1 of the head of a nail; Snapped in by packing washer 3, the spherical mortar cup 2 34 of packing ring coordinates with the spherical mortar body 21 of rivet nut again, and two edges projection 33 is stuck in groove 1 place of the head of a nail.After assembling, rivet nut 2 and packing washer 3 can not be deviate from from the head of a nail 1.
The lengthening sleeve pipe 19 of described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw head of a nail side uniqueness, screening glass 112 and kidney slot 110 design; the U-lag 11 of head of a nail both sides makes the placement location of the adjustment hold-down bars be more prone in art under the effect lengthening sleeve pipe 19; upper end screening glass 112 guarantees that product does not deform in transportation, the effect that kidney slot can play lift reset simultaneously at Cooperation in operation instrument and fracture.During operation; Micro-operation; by the operation tool of hollow; utilize the hollow 25 of rivet nut that screw is installed to relevant position according to the guide pin of previously having inserted; utilize corresponding operation tool can select the screening glass 112 that fractures according to practical situation in art; be screwed into the plug screw matched after putting into rod by U-type groove 11, lift can be carried out to spinal column after corresponding operation tool can being utilized to coordinate with the lift reseting groove 1101 in kidney slot according to practical situation in art afterwards and reset, pedicle nail is contacted well with internal fixation bar.After plug screw pushes down internal fixation bar, be rotated in place, namely the tool for breaking off insertion groove 1102 in kidney slot is inserted by corresponding tool for breaking off, then the tool for breaking off groove 1103 in kidney slot is coordinated elongated portion to be fractureed taking-up, reduce implant volume in vivo, easy to operate, be applicable to backbone correcting and reset, safe and effective.
The above is only the preferred implementation of described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw; should be understood that; for those skilled in the art; under the prerequisite not departing from the hollow Pediculus arcus vertebrae screw design of described a kind of extended type Wicresoft; can also make some improvements and modifications, these improvements and modifications also should be considered as in the protection domain of described a kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw.
Claims (8)
1. an extended type Wicresoft hollow Pediculus arcus vertebrae screw, it is characterized in that: be made up of the head of a nail, rivet nut, packing washer, rivet nut top is arranged in the head of a nail, and it is spacing fixing by packing washer, the head of a nail is provided with nail seat and lengthens sleeve pipe, nail seat and lengthening sleeve pipe are an entirety, between nail seat and lengthening sleeve pipe, be provided with wedge-shaped slot, to fracture in art; Head of a nail two sides are provided with kidney slot, described kidney slot by lifting reseting groove, tool for breaking off groove, tool for breaking off insertion groove form, lift reseting groove, tool for breaking off groove are communicated with tool for breaking off insertion groove, and be respectively used to lift and reset, tool for breaking off inserts and the head of a nail adds fractureing of long end; The another two sides of the head of a nail are provided with U-type groove one, and in art, convenient rod inserts; Be provided with screening glass in U-type groove one upper end, can in transportation, protect the head of a nail indeformable.
2. a kind of extended type Wicresoft according to claim 1 hollow Pediculus arcus vertebrae screw, is characterized in that: be provided with short muscle between screening glass with lengthening sleeve pipe and be connected, be easy to fracture in art.
3. a kind of extended type Wicresoft according to claim 1 hollow Pediculus arcus vertebrae screw, is characterized in that: head of a nail lower inner wall is provided with female thread.
4. a kind of extended type Wicresoft according to claim 1 hollow Pediculus arcus vertebrae screw, is characterized in that: rivet nut is hollow.
5. a kind of extended type Wicresoft according to claim 1 hollow Pediculus arcus vertebrae screw, is characterized in that: the U-type groove open at one end inwall that the another two sides of the head of a nail are provided with is provided with female thread one; Inwall main body is cylinder one, is provided with spherical mortar cup one and through hole one bottom the head of a nail.
6. a kind of extended type Wicresoft according to claim 1 hollow Pediculus arcus vertebrae screw, it is characterized in that: described rivet nut head is provided with spherical mortar body and inner hexagonal hole, spherical mortar end of body is provided with some steps, and the spherical mortar body of rivet nut head coordinates with the spherical mortar cup two on the spherical mortar cup one on the head of a nail and packing washer.
7. a kind of extended type Wicresoft according to claim 1 hollow Pediculus arcus vertebrae screw, is characterized in that: rivet nut body spiro stricture of vagina is double thread.
8. a kind of extended type Wicresoft according to claim 1 hollow Pediculus arcus vertebrae screw, it is characterized in that: described packing washer is provided with through hole two, one end has U-type groove hole, two edges projection is stuck in groove one place of head of a nail inwall in order to spacing, packing washer lower end is provided with spherical mortar cup two, packing washer outside main body is cylinder two, mates with head of a nail inwall body cylindrical one.
Priority Applications (1)
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CN201420533979.4U CN204121155U (en) | 2014-09-17 | 2014-09-17 | A kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw |
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CN201420533979.4U CN204121155U (en) | 2014-09-17 | 2014-09-17 | A kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw |
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CN201420533979.4U Expired - Lifetime CN204121155U (en) | 2014-09-17 | 2014-09-17 | A kind of extended type Wicresoft hollow Pediculus arcus vertebrae screw |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104188718A (en) * | 2014-09-17 | 2014-12-10 | 常州市康辉医疗器械有限公司 | Lengthened minimally-invasive hollow pedicle screw |
CN108210050A (en) * | 2016-12-14 | 2018-06-29 | 常州奥斯迈医疗器械有限公司 | Inner side bone fracture plate for tibia far end |
CN110432963A (en) * | 2019-08-26 | 2019-11-12 | 牛国旗 | A kind of pedicle of vertebral arch Minimally Invasive Surgery instrument |
-
2014
- 2014-09-17 CN CN201420533979.4U patent/CN204121155U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104188718A (en) * | 2014-09-17 | 2014-12-10 | 常州市康辉医疗器械有限公司 | Lengthened minimally-invasive hollow pedicle screw |
WO2016041249A1 (en) * | 2014-09-17 | 2016-03-24 | 常州市康辉医疗器械有限公司 | Lengthened minimally-invasive hollow pedicle screw |
CN108210050A (en) * | 2016-12-14 | 2018-06-29 | 常州奥斯迈医疗器械有限公司 | Inner side bone fracture plate for tibia far end |
CN110432963A (en) * | 2019-08-26 | 2019-11-12 | 牛国旗 | A kind of pedicle of vertebral arch Minimally Invasive Surgery instrument |
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