CN105232134A - Spine noninvasive surgery connecting rod in situ measurer - Google Patents
Spine noninvasive surgery connecting rod in situ measurer Download PDFInfo
- Publication number
- CN105232134A CN105232134A CN201510719264.7A CN201510719264A CN105232134A CN 105232134 A CN105232134 A CN 105232134A CN 201510719264 A CN201510719264 A CN 201510719264A CN 105232134 A CN105232134 A CN 105232134A
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- CN
- China
- Prior art keywords
- locking
- measuring stick
- connecting rod
- core bar
- pitman
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- 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
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00876—Material properties magnetic
-
- 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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention relates to a spine noninvasive surgery connecting rod in situ measurer comprising a connecting rod, a measuring core rod, a temporary fixed device, a locking device and a measuring rod; the connecting rod is a track shape fixed frame, and a plurality of locking devices are arranged in the connecting rod; each locking device comprises a locking part and a locking turn button connected with the locking part; the center of each locking part is provided with a U-shape locking slot in a central axis direction; the locking device is transversely arranged in the connecting rod in a slide manner, and can rotate around the self central axis; the measuring rod is a hollow tube, is locked in the U-shape locking slot, can rotate around the central axis, and can move along the central axis direction of the locking device or move along the direction vertical to the central axis direction of the locking device; the measuring core rod penetrates the measuring rod; the measuring core rod and the measuring rod are detachably temporarily fixed through a temporary fixing device. The spine noninvasive surgery connecting rod in situ measurer can carry out direct in situ measurement for many segments, and is high in measuring efficiency.
Description
Technical field
The present invention relates to minimally invasive spine surgical technical field, particularly a kind of minimally invasive spine surgical pitman in site measurement device.
Background technology
Open posterior spinal operation does a median incision at dorsal part, exposes screw entrance point after being separated soft tissue to both sides, directly uses mould rod in the U-lag of pedicle nail, measure the shape needing the pitman installed after installing pedicle nail.And minimally invasive spine posterior approach just does minimal incision * above screw entrance point, directly pedicle screw is installed after blunt separation, because each screw nail road otch is independent mutually, can not be through, so mould rod cannot be used as open surgery directly to accurately measure the shape of the required pitman installed.
Current art has following several: 1 installs extension rod at pedicle nail afterbody, and makes each extension rod parallel to each other, because the length of each extension rod is equal, therefore the shape needed for pitman can be transmitted out, sees Fig. 1.2 after installing pedicle nail, measures the shape of pitman, see Fig. 2 at body surface mould rod along pedicle nail distribution arrangement.3 use scissor instrument, the shape of pitman is gone to opposite side from side, the center of circle, sees Fig. 3.1st kind of method can compare and accurately measure required shape in theory, but when using directed pedicle nail or spinal curvature will radius is less, can not be parallel between pedicle nail, thus cannot accurately measure the shape of pitman.2nd kind of method, comparatively simple during measurement, but the shape of body surface soft tissue might not be consistent with the shape of spinal column, cannot accurately measure the shape of pitman.In 3rd, to be only applicable to vertebral body radius of curvature less for method, during single-segment fixation.
Summary of the invention
The object of the invention is the defect overcoming prior art existence, provide a kind of structure simple, easy to operate, once can carry out original position to multiple sections and directly measure, measure efficiency high, the shape minimally invasive spine surgical pitman in site measurement device accurately of measurement.
The technical scheme realizing the object of the invention is: a kind of minimally invasive spine surgical pitman in site measurement device, has connecting rod, measures core bar, temporary fastening device, locking device and measuring stick; Described connecting rod is track type fixed frame, is provided with some locking devices in connecting rod; The locking knob that described each locking device includes locking member and is connected with locking member, the center of each locking member all offers U-shaped locking slot along direction, axis, locking device is laterally slidably arranged in connecting rod, and locking device can rotate around own central axis line; Described measuring stick is hollow tubular, and measuring stick is locked in U-shaped locking slot, and measuring stick can rotate around own central axis line, and measuring stick can move along direction, locking device axis or edge is moved perpendicular to direction, locking device axis; Described measurement core bar runs through and is arranged in measuring stick, measures between core bar and measuring stick and detachably installs fixing by temporary fastening device temporarily.
Locking device described in technique scheme forms by screwing part, drivening piece, measuring stick locking member and locking shell; The outer surface of described measuring stick locking member is the conical surface, and measuring stick locking member is arranged on locking shell inside; After described drivening piece runs through drivening piece and measuring stick locking member with screw part and be threaded.
Described in technique scheme, measuring stick lower end head offers U-lag; Described measurement core bar lower end head has the cylinder identical with the pitman diameter needing to install; Described U-lag agrees with mutually with cylinder.
Body diameter described in technique scheme is 5.5mm or 6.0mm.
When described in technique scheme, measuring stick, measurement core bar are ferrimagnet, described temporary fastening device is magnet ring or the macromolecular material ring with measurement core bar interference fit.
Measuring stick described in technique scheme or measure core bar any one for nonferromugnetic material manufacture time, described temporary fastening device is and the macromolecular material ring of measurement core bar interference fit.
Part is screwed in " ten " word structure described in technique scheme.
After adopting technique scheme, the present invention has following positive effect:
(1) the present invention has the features such as structure is simple, easy to operate, once can carry out original position to multiple sections and directly measure, and measures efficiency high.
(2) the present invention is taking off temporary fastening device, can use mould rod along the U-lag of measuring stick head or directly bend pitman moulding, can compare and accurately measure required shape.
Accompanying drawing explanation
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the schematic diagram of Conventional parallel measurement method;
Fig. 2 is the schematic diagram of traditional body surface measurement method;
Fig. 3 is the schematic diagram of conventional scissors shape measurement method;
Fig. 4 is structural representation of the present invention;
Fig. 5 is schematic diagram moulding to pitman after the present invention measures shape;
Fig. 6 be the present invention when measuring measuring stick interfere schematic diagram;
Fig. 7 is the schematic diagram of the present invention's measuring stick interference technique when avoiding measuring;
Fig. 8 is the explosive view of locking device of the present invention;
Attached number in the figure is: connecting rod 1, measure core bar 2, cylinder 21, temporary fastening device 3, locking device 4, screw part 41, drivening piece 42, measuring stick locking member 43, locking shell 44, the conical surface 45, measuring stick 5, U-lag 51.
Detailed description of the invention
(embodiment 1)
See Fig. 4 to Fig. 8, the present invention has connecting rod 1, measures core bar 2, temporary fastening device 3, locking device 4 and measuring stick 5; Connecting rod 1 is track type fixed frame, is provided with some locking devices 4 in connecting rod 1; The locking knob that each locking device 4 includes locking member and is connected with locking member, the center of each locking member all offers U-shaped locking slot along direction, axis, locking device 4 is laterally slidably arranged in connecting rod 1, and locking device 4 can rotate around own central axis line; Measuring stick 5 is in hollow tubular, and measuring stick 5 is locked in U-shaped locking slot, and measuring stick 5 can rotate around own central axis line, and measuring stick 5 can move along direction, locking device 4 axis or edge is moved perpendicular to direction, locking device 4 axis; Measure core bar 2 to run through and be arranged in measuring stick 5, measure between core bar 2 and measuring stick 5 by temporary fastening device 3 detachable interim install fixing.
Locking device 4 forms by screwing part 41, drivening piece 42, measuring stick locking member 43 and locking shell 44; The outer surface of measuring stick locking member 43 is the conical surface 45, and it is inner that measuring stick locking member 43 is arranged on locking shell 44; After drivening piece 42 runs through drivening piece 42 and measuring stick locking member 43 with screw part 41 and be threaded.Screw part 41 in " ten " word structure.
Measuring stick 5 lower end head offers U-lag 51; Measure core bar 2 lower end head and there is the cylinder 21 identical with the pitman diameter needing to install; U-lag 51 agrees with mutually with cylinder 21.
Cylinder 21 diameter is 5.5mm or 6.0mm.
Measuring stick 5 is ferrimagnet manufacture; Measuring core bar 2 is ferrimagnet manufacture; Temporary fastening device 3 is magnet ring or the macromolecular material ring with measurement core bar 2 interference fit.
Measuring stick 5 is ferrimagnet manufacture; Measuring core bar 2 is paramagnetic material manufacture; Temporary fastening device 3 is and the macromolecular material ring measuring core bar 2 interference fit.
Operation principle of the present invention is: be arranged in measuring stick 5 by measurement core bar 2, and makes the cylinder 21 of measurement core bar 2 head and the U-lag no-float of measuring stick 5 head, installs temporary fastening device 3, measurement core bar 2 and measuring stick 5 is firmly fixed together.The measurement core bar 2 assembled, measuring stick 5, temporary fastening device 3 are placed in vertebral arch nail nail tail, and make measurement core bar 2 head cylindrical with pedicle nail U-lag no-float.Install required all measuring sticks 5 successively by above-mentioned steps, measure core bar 2, temporary fastening device 3.Locking device 4 is arranged on connecting rod 1, and does good fit by the position of adjustment on connecting rod 1 and angle with measuring stick 5, then locking locking device 4.By above-mentioned steps, locking device 4 be installed successively and lock measuring stick 5 and connecting rod 1.Then whole device is taken out in pedicle nail nail tail, take off temporary fastening device 3, can mould rod be used along the U-lag of measuring stick 5 head or directly pitman be bent moulding.Also can take off temporary fastening device 3 before being taken out by whole device, then take out the remainder fixed, finally take out in pedicle nail nail tail again and measure core bar 2.
When being used as to measure L5-S1 shape, in order to avoid measuring stick 5 is at sagittal plane internal interference, the measuring stick 5 that an extra connecting rod 1 connects L5 and S1 can be re-used.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a minimally invasive spine surgical pitman in site measurement device, is characterized in that: have connecting rod (1), measure core bar (2), temporary fastening device (3), locking device (4) and measuring stick (5); Described connecting rod (1) is track type fixed frame, is provided with some locking devices (4) in connecting rod (1); The locking knob that described each locking device (4) includes locking member and is connected with locking member, the center of each locking member all offers U-shaped locking slot along direction, axis, locking device (4) is laterally slidably arranged in connecting rod (1), and locking device (4) can rotate around own central axis line; Described measuring stick (5) is in hollow tubular, measuring stick (5) is locked in U-shaped locking slot, measuring stick (5) can rotate around own central axis line, and measuring stick (5) can move along locking device (4) direction, axis or edge is moved perpendicular to locking device (4) direction, axis; Described measurement core bar (2) is run through and is arranged in measuring stick (5), measures between core bar (2) and measuring stick (5) and is fixed by detachable interim installation of temporary fastening device (3).
2. minimally invasive spine surgical pitman in site measurement device according to claim 1, is characterized in that: described locking device (4) forms by screwing part (41), drivening piece (42), measuring stick locking member (43) and locking shell (44); The outer surface of described measuring stick locking member (43) is the conical surface (45), and it is inner that measuring stick locking member (43) is arranged on locking shell (44); Described drivening piece (42) run through drivening piece (42) and measuring stick locking member (43) afterwards with screw part (41) and be threaded.
3. minimally invasive spine surgical pitman in site measurement device according to claim 2, is characterized in that: described measuring stick (5) lower end head offers U-lag (51); Described measurement core bar (2) lower end head has the cylinder (21) identical with the pitman diameter needing to install; Described U-lag (51) agrees with mutually with cylinder (21).
4. minimally invasive spine surgical pitman in site measurement device according to claim 3, is characterized in that: described cylinder (21) diameter is 5.5mm or 6.0mm.
5. the minimally invasive spine surgical pitman in site measurement device according to claim 1 or 2 or 3 any one, is characterized in that: described measuring stick (5), measurement core bar (2) are ferrimagnet manufacture; Described temporary fastening device (3) is magnet ring or the macromolecular material ring with measurement core bar (2) interference fit.
6. the minimally invasive spine surgical pitman in site measurement device according to claim 1 or 2 or 3 any one, it is characterized in that: described measuring stick (5), to measure in core bar (2) any one for nonferromugnetic material manufacture time, described temporary fastening device (3) is and the macromolecular material ring of measurement core bar (2) interference fit.
7. minimally invasive spine surgical pitman in site measurement device according to claim 3, is characterized in that: described in screw part (41) in " ten " word structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510719264.7A CN105232134B (en) | 2015-10-29 | 2015-10-29 | Minimally invasive spine surgical pitman in site measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510719264.7A CN105232134B (en) | 2015-10-29 | 2015-10-29 | Minimally invasive spine surgical pitman in site measurement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105232134A true CN105232134A (en) | 2016-01-13 |
| CN105232134B CN105232134B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510719264.7A Active CN105232134B (en) | 2015-10-29 | 2015-10-29 | Minimally invasive spine surgical pitman in site measurement device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060264934A1 (en) * | 2005-05-18 | 2006-11-23 | Medicinelodge, Inc. | System and method for orthopedic implant configuration |
| US20120035611A1 (en) * | 2010-08-06 | 2012-02-09 | Warsaw Orthopedic, Inc. | Measuring instrument for sizing an elongate stabilization element |
| US20150327942A1 (en) * | 2006-09-25 | 2015-11-19 | Stryker European Holdings I, Llc | Rod contouring alignment linkage |
| CN205031351U (en) * | 2015-10-09 | 2016-02-17 | 浙江科惠医疗器械股份有限公司 | Orthopedic connective bar of using of backbone way of escape of preflex |
| CN205144696U (en) * | 2015-10-29 | 2016-04-13 | 创辉医疗器械江苏有限公司 | Backbone is connective bar in site measurement ware for minimal access surgery |
| CN106137369A (en) * | 2015-05-15 | 2016-11-23 | 宝亿生技股份有限公司 | Nail and minimal invasion pedicle of vertebral arch fixed system |
-
2015
- 2015-10-29 CN CN201510719264.7A patent/CN105232134B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060264934A1 (en) * | 2005-05-18 | 2006-11-23 | Medicinelodge, Inc. | System and method for orthopedic implant configuration |
| US20150327942A1 (en) * | 2006-09-25 | 2015-11-19 | Stryker European Holdings I, Llc | Rod contouring alignment linkage |
| US20120035611A1 (en) * | 2010-08-06 | 2012-02-09 | Warsaw Orthopedic, Inc. | Measuring instrument for sizing an elongate stabilization element |
| CN106137369A (en) * | 2015-05-15 | 2016-11-23 | 宝亿生技股份有限公司 | Nail and minimal invasion pedicle of vertebral arch fixed system |
| CN205031351U (en) * | 2015-10-09 | 2016-02-17 | 浙江科惠医疗器械股份有限公司 | Orthopedic connective bar of using of backbone way of escape of preflex |
| CN205144696U (en) * | 2015-10-29 | 2016-04-13 | 创辉医疗器械江苏有限公司 | Backbone is connective bar in site measurement ware for minimal access surgery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105232134B (en) | 2017-11-07 |
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