CN102579126A - Transdermal screw fixation in vitro sighting device for treating pelvic fracture - Google Patents
Transdermal screw fixation in vitro sighting device for treating pelvic fracture Download PDFInfo
- Publication number
- CN102579126A CN102579126A CN2012101000315A CN201210100031A CN102579126A CN 102579126 A CN102579126 A CN 102579126A CN 2012101000315 A CN2012101000315 A CN 2012101000315A CN 201210100031 A CN201210100031 A CN 201210100031A CN 102579126 A CN102579126 A CN 102579126A
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- passage
- guide pin
- nail
- sight
- 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.)
- Pending
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The invention discloses a transdermal screw fixation in vitro sighting device for treating pelvic fracture. According to the sighting device, the left upper end of a U-shaped calibration transmissive frame is provided with a screw exit sight with a horizontal left guide needle passage in the middle, the right upper end of the U-shaped calibration transmissive frame is provided with a screw inlet sight with a horizontal inner sleeve passage in the middle, and calibration holes are respectively arranged on left and right sidewalls of the U-shaped calibration transmissive frame; a calibration rod is fixed on the U-shaped calibration transmissive frame through the calibration holes; an inner sleeve is inserted into the screw inlet sight through the inner sleeve passage; a left fixation guide needle is inserted into the left guide needle passage; and a right fixation guide needle is inserted into the inner sleeve through a right guide needle passage arranged in the inner sleeve. The invention solves the problems of high cost, long surgery time and low accuracy of a 3D imaging navigation device. The invention applicable to most hospitals has the advantages of simple operation process, shortened operation time, rapid adjustment of screw inlet and exit points and screw fixation axis, small volume, and convenient maintenance.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, is to use in the cover operation, and particularly the fracture of pelvis percutaneous is put the external sighting device of nail.
Background technology
The pelvis of human body has complicated 3 D anatomy structure, in case fracture, undergos surgery that it is bigger with fixed difficulty to reset, and often need go the major operation otch, exposes the just satisfied treatment needs of difficulty through soft tissue widely.
Before the present invention, along with the iconography development of technology, adopt percutaneous put nail Wicresoft fixedly fracture of pelvis become the new development trend that pelvis fracture operation is treated.How this technology is learned guider through the 3-dimensional image of costliness and is combined fluoroscopic apparatus opposed nail position and direction to carry out anticipation and monitoring, to realize accurately putting nail when operation technique.Defective that at present should technology comprises: it is high 1. 3-dimensional image to be learned the dependency degree of guider, and the price of this device surpasses 2,000,000 yuan usually, has therefore hindered its popularization in most hospitals; 2. should technology when operation, when costing the three-dimensional spatial information in imaging data and the built-in computer of guider is carried out synchronously, promptly usually said " iconography registration ", its average hour of log-on increased operating time above 30 minutes; 3. owing to need carry out the reduction of the fracture in the operation, the locus of the back skeleton that resets is in case change, and its information of in computer, registering will occurrence of errors, thereby has reduced the accuracy of putting nail; 4. the image resolution ratio of imaging data has restricted the accuracy of guider, thereby has reduced the accuracy that percutaneous is put nail.
Summary of the invention
The object of the invention just is to overcome above-mentioned defective, and development fracture of pelvis percutaneous is put the external sighting device of nail.
Technical scheme of the present invention is:
The fracture of pelvis percutaneous is put the external sighting device of nail, it is characterized in that it is nail point sight that the U type is demarcated the left upper end of printing opacity framework, and its cross section is taper type; The centre is the left guide pin passage of level; The upper right side that the U type is demarcated the printing opacity framework is the entry point sight, and its cross section is cylindrical, and the centre is the inner sleeve passage of level; The U type is demarcated on printing opacity frame left wall, the right side wall calibrated holes is set respectively; Demarcate bar and be fixed on the U type demarcation printing opacity framework through calibrated holes, inner sleeve inserts in the entry point sight through the inner sleeve passage, and left fixation guide pin inserts in the left guide pin passage; Right fixation guide pin inserts in the inner sleeve through right guide pin passage, and right guide pin passage is arranged in the inner sleeve.
Advantage of the present invention is that with effect learning guider with present 3-dimensional image commonly used compares, and the present invention has following characteristics: 1. do not rely on expensive 3-dimensional image and learn guider, and cheap, conveniently in most hospitals, promote; 2. operating process is easy, can effectively shorten operating time; 3. the present invention can regulate entry point quickly and easily, goes out the nail point and put the nail axis when operation, even the locus of sclerite changes after the reduction of the fracture, also can use the present invention to obtain to put accurately nail; 4. accuracy of the present invention does not rely on the resolution of imaging data.
That advantage of the present invention and effect also are is easy and simple to handle, accurate, volume is little, cost is low, easy to maintenance.
Description of drawings
Fig. 1---structural principle vertical view cutaway drawing of the present invention.
The operation chart of Fig. 2---the present invention when confirming entry point and going out the nail point.
The operation chart of Fig. 3---the present invention when inserting fixation guide pin.
The operation chart of Fig. 4---the present invention after inserting fixation guide pin.
Fig. 5---insert the operation chart of hollow internal fixation screw through fixation guide pin.
Each symbolic representation parts is following among the figure:
Go out that the left guide pin passage of a nail point sight 1, (the U type is demarcated on the printing opacity framework 4) calibrated holes 2, (going out on the nail point sight 1) 3, U type are demarcated printing opacity framework 4, (on the entry point sight 1) inner sleeve passage 5, entry point sight 6, pelvic model 7, demarcated bar 8, (on the inner sleeve 10 of entry point sight 6) right guide pin passage 9, inner sleeve 10, left fixation guide pin 11, right fixation guide pin 12, hollow screw 13.
The specific embodiment
Like Fig. 1, Fig. 2, Fig. 3, structure of the present invention shown in Figure 4:
Go out nail point sight 1 and be linked at the top, two ends that the U type is demarcated printing opacity framework 4 respectively with entry point sight 6, comprise left upper end and upper right side, nail point sight 1 cross section that goes out of left upper end is taper type; The wide right side, a left side is narrow; Right narrow part is claimed the tip, and the centre is the left guide pin passage 3 of level, and entry point sight 6 cross sections of upper right side are cylindrical; The centre is the inner sleeve passage 5 of level, and left guide pin passage 3 and inner sleeve passage 5 are on same horizontal plane; The U type is demarcated printing opacity framework 4 left upper ends has two calibrated holes 2 downwards successively from going out nail point sight 1; All being arranged on the U type demarcates on the left side wall of printing opacity framework 4; Corresponding therewith is, and to demarcate printing opacity framework 4 upper right sides in the U type also be downwards two calibrated holes 2 from entry point sight 6 successively; Be arranged on the U type and demarcate on the right side wall of printing opacity framework 4, every row's left and right calibrated holes 2 all on same horizontal plane, forms the corresponding calibrated holes 2 of upper and lower two rows; Demarcating bar 8 can be fixed on the U type demarcation printing opacity framework 4 through the calibrated holes 2 that the U type is demarcated on the printing opacity framework 4, is to insert from right to left, or on last row or infra row's a pair of calibrated holes 2; The inner sleeve 10 of entry point sight 6 can insert entry point sight 6 from right to left through inner sleeve passage 5; Left side fixation guide pin 11 inserts out in the left guide pin passage 3 of nail point sight 1; Right fixation guide pin 12 inserts in the inner sleeve 10 of entry point sight 6 through right guide pin passage 9, and right guide pin passage 9 is arranged in the inner sleeve 10.
Application note of the present invention:
During operation, as shown in Figure 2, at first the mode through the limited incision of Wicresoft exposes entry point and the anatomical position that goes out the nail point on the pelvis, and the otch size only need allow out nail point sight 1 and entry point sight 6 to pass through to get final product, and is no more than 2cm usually; The tip that will go out nail point sight 1 places out on the surface of bone at nail point place (is example with the pubic tubercle); Behind the inner sleeve 10 insertion entry point sights 6 with entry point sight 6; The tip of the inner sleeve 10 of entry point sight 6 is placed on the surface of bone at entry point place (is example with top, acetabular bone top surface of bone); Demarcate in the U type under the effect of printing opacity framework 4; The axis of left side guide pin passage 3 is consistent with the axis of right guide pin passage 9, and this axis is also consistent with the line that goes out the nail point with entry point, is the axis of putting nail; To demarcate bar 8 and be fixed on the U type demarcation printing opacity framework 4, demarcate the axis of bar 8 and the parallel axes of putting nail this moment through calibrated holes 2 (row's left and right a pair of calibrated holes 2 down); According to the operation needs, also can be fixed on the U type demarcation printing opacity framework 4 demarcating the left and right a pair of calibrated holes 2 of bar 8 through last row, demarcate the axis of bar 8 and the parallel axes of putting nail this moment, and more near putting the nail axis; Owing to demarcate the axis of bar 8 and the parallel axes of putting nail; Therefore demarcate bar 8 and can for putting the nail axis reference be provided external; On the other hand, during the X line of being expert at perspective, serve as that axle rotation U type is demarcated printing opacity framework 4 with entry point and the line that goes out the nail point; Make demarcation bar 8 overlapping with entry point in fluoroscopic image with the line that goes out the nail point; Can judge entry point exactly this moment, go out to follow closely point and put the nail axis and whether satisfy requirements of operation, need not navigation operation, also or high-resolution imaging data by complicacy.If entry point, the position satisfaction that goes out to follow closely point and put the nail axis, the step below then continuing is finely tuned otherwise can repeat said procedure.
As shown in Figure 3; With electric drill left fixation guide pin 11, right fixation guide pin 12 are fixed on the pelvis through left guide pin passage 3 and right guide pin passage 9 respectively; And then X line perspective down definite entry point, go out to follow closely point, put the nail axis and whether be satisfied with, if dissatisfied, then adjust entry point and the position that goes out nail the duplicate step of laying equal stress on; If satisfied, the step below then continuing.Because assembling of the present invention is with operation is very easy; Even the locus of sclerite changes in the reduction of the fracture process; Also can regulate entry point and the position that goes out the nail point easily, thereby find the ideal nail axis of putting quickly and accurately, the nail of putting that is beneficial to is subsequently operated.
As shown in Figure 4; Right fixation guide pin 12 is pierced sclerotin reach under the nail point surface of bone, remove inner sleeve 10, left fixation guide pin 11 and U type successively and demarcate printing opacity framework 4, confirm under X line perspective more whether the position of right fixation guide pin 12 is satisfied with; If satisfied, the step below then continuing.
As shown in Figure 5, measure the length of right fixation guide pin 12 afterbodys to surface of bone, confirming its length in bone, and select the hollow screw 13 of respective length.With right fixation guide pin 12 is guiding; With electric drill connect hollow boring bit from entry point after going out a nail point direction and drilling a side seam cortex; Be screwed into hollow screw 13 from entry point to going out nail point direction along right fixation guide pin 12; Arrive at the surface of bone at entry point place until the screw afterbody, and then remove right fixation guide pin 12, accomplish the whole operation process behind the layer-by-layer suture wound with electric drill.
Claims (3)
1. the fracture of pelvis percutaneous is put the external sighting device of nail, it is characterized in that it is nail point sight that the U type is demarcated the left upper end of printing opacity framework, and its cross section is taper type; The centre is the left guide pin passage of level; The upper right side that the U type is demarcated the printing opacity framework is the entry point sight, and its cross section is cylindrical, and the centre is the inner sleeve passage of level; The U type is demarcated on printing opacity frame left wall, the right side wall calibrated holes is set respectively; Demarcate bar and be fixed on the U type demarcation printing opacity framework through calibrated holes, inner sleeve inserts in the entry point sight through the inner sleeve passage, and left fixation guide pin inserts in the left guide pin passage; Right fixation guide pin inserts in the inner sleeve through right guide pin passage, and right guide pin passage is arranged in the inner sleeve.
2. fracture of pelvis percutaneous according to claim 1 is put the external sighting device of nail, it is characterized in that left guide pin passage and inner sleeve passage are on same horizontal plane.
3. fracture of pelvis percutaneous according to claim 1 is put the external sighting device of nail; It is characterized in that; The U type is demarcated on printing opacity frame left wall, the right side wall two calibrated holes is set respectively, and upper and lower calibrated holes is respectively on same horizontal plane on left side wall, the right side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101000315A CN102579126A (en) | 2012-04-09 | 2012-04-09 | Transdermal screw fixation in vitro sighting device for treating pelvic fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101000315A CN102579126A (en) | 2012-04-09 | 2012-04-09 | Transdermal screw fixation in vitro sighting device for treating pelvic fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102579126A true CN102579126A (en) | 2012-07-18 |
Family
ID=46468756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101000315A Pending CN102579126A (en) | 2012-04-09 | 2012-04-09 | Transdermal screw fixation in vitro sighting device for treating pelvic fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102579126A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905870A (en) * | 2015-03-11 | 2015-09-16 | 北京德康健医药科技有限公司 | Sighting device for pelvis internal fixation |
| CN105662572A (en) * | 2016-03-15 | 2016-06-15 | 丁勇 | Kirschner wire guider |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0951873B1 (en) * | 1998-04-24 | 2003-07-02 | aap Implantate AG | Aiming device for a X-ray free proximal and distal locking of an intramedullary nail |
| CN2657596Y (en) * | 2003-09-28 | 2004-11-24 | 潘进社 | Sacral rod internal fixation sighting device |
| CN201200473Y (en) * | 2008-03-28 | 2009-03-04 | 左永祥 | Hollow nail guider for femur neck |
| CN101642384A (en) * | 2009-09-08 | 2010-02-10 | 沈伟中 | Clavicula hook inner lock catch guide apparatus |
| CN102100580A (en) * | 2009-12-17 | 2011-06-22 | 王治 | Intramedullary fixation guider |
-
2012
- 2012-04-09 CN CN2012101000315A patent/CN102579126A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0951873B1 (en) * | 1998-04-24 | 2003-07-02 | aap Implantate AG | Aiming device for a X-ray free proximal and distal locking of an intramedullary nail |
| CN2657596Y (en) * | 2003-09-28 | 2004-11-24 | 潘进社 | Sacral rod internal fixation sighting device |
| CN201200473Y (en) * | 2008-03-28 | 2009-03-04 | 左永祥 | Hollow nail guider for femur neck |
| CN101642384A (en) * | 2009-09-08 | 2010-02-10 | 沈伟中 | Clavicula hook inner lock catch guide apparatus |
| CN102100580A (en) * | 2009-12-17 | 2011-06-22 | 王治 | Intramedullary fixation guider |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905870A (en) * | 2015-03-11 | 2015-09-16 | 北京德康健医药科技有限公司 | Sighting device for pelvis internal fixation |
| CN104905870B (en) * | 2015-03-11 | 2018-06-22 | 北京德康健医药科技有限公司 | For sighting device fixed in pelvis |
| CN105662572A (en) * | 2016-03-15 | 2016-06-15 | 丁勇 | Kirschner wire guider |
| CN105662572B (en) * | 2016-03-15 | 2018-10-30 | 丁勇 | Kirschner wire guider |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2910206B1 (en) | Set of medical instruments | |
| CN103110454B (en) | Guide device for spinal posterior ray-free screw fixation | |
| CN202060860U (en) | Navigator of intramedullary nail at near end of thighbone | |
| CN104083204B (en) | A kind of tibial tunnel locating device based on personalized navigation template and method thereof | |
| CN105434009B (en) | For the navigation template of femoral osteotomies, application method and production method | |
| CN102802543A (en) | Patient specific alignment guide for a proximal femur | |
| DE10306793A1 (en) | Arrangement and method for the intraoperative determination of the position of a joint replacement implant | |
| CN106137373A (en) | Combination type spinal column puts nail guide plate and preparation method thereof | |
| CN104337572B (en) | Customization operation on hip joint positioner based on medical image and supporting prosthese | |
| CN104546111A (en) | Individualized guiding template assisting in setting pedicle screw into small incision and manufacturing method of individualized guiding template | |
| CN105852986B (en) | Three-dimension virtual reality fitting pedicle nail inserts laser assisted position guiding device | |
| CN102579126A (en) | Transdermal screw fixation in vitro sighting device for treating pelvic fracture | |
| CN202497248U (en) | Pelvic fracture percutaneous nailing in-vitro sighting device | |
| CN205514870U (en) | Visitor's inhibition and generation pedicle of vertebral arch screw guider | |
| CN205144706U (en) | A navigation template that is used for rotatory cripetura enstrophe osteotomy of children's thighbone near -end | |
| CN204596300U (en) | 3D prints pedical screw instrumentation vertebral model | |
| CN106659524A (en) | Patient-matched apparatus and methods for performing surgical procedures | |
| CN108670395A (en) | A kind of sacroiliac screw digitlization method for posting of 3D printing | |
| CN206214174U (en) | A kind of vertebra locating guiding template | |
| CN207125780U (en) | 2 Multi-dimensional positioning devices of femoral interlocking nail | |
| CN103961166B (en) | Locating assembly for parallel needle penetration and angle rotation of femoral osteotomy of hip dislocation and locating method | |
| CN204890176U (en) | External locator of pedicle of vertebral arch passageway | |
| CN105640646A (en) | Screw implantation guide device for closed reduction of pelvic anterior ring fracture and manufacturing method thereof | |
| CN204581488U (en) | A kind of personalized supplementary dissipater inserts the navigation template of pedicle screw | |
| CN203252720U (en) | Nail entrance navigation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |