CN106618721B - A kind of sacrum ilium screw positioning device of Adjustable Range and angle - Google Patents
A kind of sacrum ilium screw positioning device of Adjustable Range and angle Download PDFInfo
- Publication number
- CN106618721B CN106618721B CN201610981542.0A CN201610981542A CN106618721B CN 106618721 B CN106618721 B CN 106618721B CN 201610981542 A CN201610981542 A CN 201610981542A CN 106618721 B CN106618721 B CN 106618721B
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- angle
- guide plate
- sleeve
- adjustable range
- sacrum ilium
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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
- A61B17/56—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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8897—Guide wires or guide pins
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
-
- 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
Abstract
The invention discloses the sacrum ilium screw positioning devices of a kind of Adjustable Range and angle, including guide plate, the roll adjustment sleeve that is fastened on guide plate and it is mounted on guide plate upper angle regulating device, the distance between position-adjustable roll adjustment sleeve and the angle adjustment device being fastened on by adjusting roll adjustment sleeve on guide plate, and angle adjustment device can be in the rotation in surface for being parallel to guide plate, it is adjusting inner cavity up and down in angle adjustment device, intracavitary be provided with can adjust the interior intracavitary pilot sleeve for adjusting angle in adjusting, plane where pilot sleeve adjusts angle is vertical with plane where guide plate, nail preoperative image and fluoroscopy during operation data in conjunction with during taking nail are set with what is followed closely in sacrum ilium, the distance between two sleeve of appropriate adjustment and angle, guide pin is placed in correct position rapidly, to reduce guide pin merging number and perspective number, shorten sacrum ilium nail to set The operating time for entering and taking out reduces soft tissue injury.
Description
Technical field
The invention belongs to sacrum iliums to follow closely merging sleeve, and in particular to a kind of sacrum ilium nail positioning dress of Adjustable Range and angle
It sets.
Background technique
In the operation of sacroiliac dislocation, it is often necessary to be placed in two pieces of hollow nails to fix articulatio sacroiliaca.Due to sacrum
Ilium nail is mostly that closure sets nail, and is of an inclined plane on rear side of pelvis, causes the guide pin of hollow nail to be placed in difficult, often is offset preset
Track extends operating time, increases local soft tissue damage to make to be placed in guide pin number and have an X-rayed number to increase.And sacrum ilium
It needs to take out when following closely general June after surgery, also needs the nail hole for first finding hollow screw using guide pin at this time, then back-outed with spiral shell knife.It can
See, during sacrum ilium nail sets nail and takes nail, being properly placed into for guide pin is crucial, directly concerning the success or failure of operation and hand
The length of art time.In addition, if soft tissue injury excessive when setting nail will lead to cicatricial tissue amount of bleeding during taking nail and increase,
Even cause big bleeding.
Summary of the invention
The object of the present invention is to provide the sacrum ilium screw positioning devices of a kind of Adjustable Range and angle, are set with what is followed closely in sacrum ilium
Follow closely and take nail to combine preoperative image and fluoroscopy during operation data, the distance between two sleeve of appropriate adjustment and angle in the process, rapidly
Guide pin is placed in correct position, to reduce guide pin merging number and have an X-rayed number, when shortening the operation of the merging of sacrum ilium nail and taking-up
Between, reduce soft tissue injury.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of sacrum ilium of Adjustable Range and angle
Screw positioning device including guide plate, the roll adjustment sleeve being fastened on guide plate and is mounted on guide plate upper angle regulating device, by adjusting
Roll adjustment sleeve is fastened on the distance between position-adjustable roll adjustment sleeve and angle adjustment device on guide plate, and angular adjustment fills
Setting to be adjusting inner cavity up and down in the rotation in surface for being parallel to guide plate, angle adjustment device, intracavitary in adjusting to set
The interior intracavitary pilot sleeve for adjusting angle can adjusted by being equipped with, plane where the plane and guide plate where pilot sleeve adjusting angle
Vertically.
The guide plate is designed using rectangular configuration, and top is evenly equipped with several for blocking the card slot for setting roll adjustment sleeve, roll adjustment
Sleeve is hollow round tubular, and T-type positioner is provided on the outer wall of one end, and roll adjustment sleeve is blocked by positioner and card slot cooperation
On guide plate.
A length of 8cm of the guide plate, width 3cm, thickness 2mm, top left one side of something upper limb have a wide 1mm every 1mm
Card slot, card slot 11 depth 5mm, the internal diameter 4.0mm of the roll adjustment sleeve, outer diameter 6.0mm, a length of 6cm.
It is also provided with location hole on the guide plate, the arc concentric with location hole is provided on the guide plate immediately below location hole
Locating slot, angle adjustment device are the narrow ladder structure of right angle design in top width bottom, adjust cavity shape and angle adjustment device shape
Corresponding, there are two the fixed column for having screw hole, screw hole and trapezoidal right angle waists for installation in the side trapezoidal faces of angle adjustment device
Vertically, fixed column include the first fixed column and the second fixed column, the first bolt pass through location hole screw in first fix in, second
Bolt passes through locating slot and screws in the second fixed column, realizes the installation of angle adjustment device.
The location hole is provided with guide plate top right one side of something, and diameter 2mm, the location hole center of circle is with guide plate distance from top
5mm, the width of locating slot are 2mm, and radius 2cm, radian is 60 °, a height of 4cm of angle adjustment device, the wall thickness 1mm, is adjusted
The rectangle that inner cavity top opening is 30mmx6mm, bottom opening are the rectangle of 7mmx6mm, and two fixed columns are at a distance of 2cm, screw hole internal diameter
2mm。
The pilot sleeve includes guide pipe and the handle for being mounted on guide pipe one end, and the guide pipe other end protrudes into adjusting
It is intracavitary, and guide pipe height is greater than angle adjustment device.
One end that the guide pipe protrudes into adjusting inner cavity is open-ended for for being fixed on bone surface zigzag.
The guide pipe is the hollow circular tube of internal diameter 4.0mm, outer diameter 6.0mm, long 10cm, pushing 6cm.
Angle index is provided on guide plate below the locating slot.
The angle adjustment device is perpendicular to being provided with angle index on the one side of guide plate.
Compared with prior art, the present invention at least has the advantages that, by guide plate block set roll adjustment sleeve and
Setting angle regulating device, by the way that roll adjustment sleeve to be fastened in the different card slots on guide plate, to adjust roll adjustment sleeve and angle
The distance between regulating device, meanwhile, angle adjustment device can be in the rotation in surface for being parallel to guide plate, the guiding of pilot sleeve
Pipe protrude into adjusting in it is intracavitary, angle can be adjusted in the plane vertical with guide plate, realize the horizontal and vertical angle of pilot sleeve
Degree adjust, by sacrum ilium follow closely set nail with take follow closely during in conjunction with preoperative image and fluoroscopy during operation data, two sets of appropriate adjustment
The distance between cylinder and angle, can be placed in correct position for guide pin rapidly, greatly reduce guide pin merging number and perspective number, contracting
The operating time of short sacrum ilium nail merging and taking-up, reduces soft tissue injury.
Further, the spacing of card slot only has 1mm on guide plate, finer can fill to roll adjustment sleeve and angular adjustment
It the distance between sets and to be adjusted.
Further, angle adjustment device is the narrow ladder structure of right angle design in top width bottom, adjusts the bottom opening of inner cavity slightly
Greater than the size of guide pipe, neither influence guide pipe stretches out, and can be preferably oriented to using guide rod bottom end as rotation center
The adjusting of tube angulation.
Further, the end of guide pipe is provided with zigzag, can more preferably be fixed on the merging that bone surface carries out guide pin.
Further, be provided with angle index on the guide plate below locating slot, angle adjustment device perpendicular to guide plate one
Angle index is provided on side, can assist operators precisely adjusted.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is rearview of the invention.
Fig. 3 is side view of the invention.
Fig. 4 is centering guide structural schematic diagram of the present invention.
Fig. 5 is that tube-in-tube structure schematic diagram is adjusted in the present invention.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is angle adjustment device one side structural schematic diagram of the invention.
Fig. 8 is angle adjustment device another side structural schematic diagram of the invention.
Fig. 9 is pilot sleeve structural schematic diagram in the present invention.
Figure 10 is use state diagram of the present invention.
In attached drawing, 1, guide plate, 11, card slot, 12, location hole, 13, locating slot, 2, roll adjustment sleeve, 21, positioner, 3, angle
Spend regulating device, the 31, first fixed column, the 32, second fixed column, 33, adjusting inner cavity, 4, pilot sleeve, 41, guide pipe, 42, saw
Tooth, 43, handle, the 51, first bolt, the 52, second bolt, 6, guide pin.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, the present invention includes guide plate 1, the roll adjustment sleeve 2 being fastened on guide plate 1 and is mounted on 1 upper angle of guide plate
Regulating device 3, in which:
As shown in figure 4, guide plate 1 is designed using rectangular configuration, and a length of 8cm of guide plate 1, width 3cm, thickness 2mm, top
Left one side of something upper limb has the card slot 11 of a wide 1mm, 11 depth 5mm of card slot every 1mm, and 1 top right one side of something of guide plate offers location hole
12, diameter 2mm, 12 center of circle of location hole and 1 distance from top of guide plate are 5mm, be provided on the guide plate 1 immediately below location hole 12 with
The concentric arc positioning groove 13 of location hole 12, the width of locating slot are 2mm, and radius 2cm, radian is 60 °；13 lower section of locating slot
Angle index is provided on guide plate 1；
As shown in Figure 5 and Figure 6, roll adjustment sleeve 2 is hollow round tubular, internal diameter 4.0mm, outer diameter 6.0mm, a length of 6cm；One
T-type positioner 21 is provided on the outer wall of end；
As shown in Figure 7 and Figure 8, angle adjustment device 3 is the narrow ladder structure of right angle design in top width bottom, angle adjustment device 3
A height of 4cm, wall thickness 1mm, angle adjustment device 3 are interior for adjusting inner cavity 33 up and down, adjusting 33 shape of inner cavity and angle tune
3 shape of regulating device is corresponding, adjusts the rectangle that 33 top opening of inner cavity is 30mmx6mm, and bottom opening is the rectangle of 7mmx6mm；Angle
Spending installation in the side trapezoidal faces of regulating device 3, there are two the fixed column for having screw hole, screw hole is vertical with trapezoidal right angle waist, Gu
Fixed column includes the first fixed column 31 and the second fixed column 32, and two fixed columns are at a distance of 2cm, screw hole internal diameter 2mm；In the trapezoidal faces of the other side
It is provided with the angle index being adjusted convenient for pilot sleeve 4；
As shown in figure 9, pilot sleeve 4 includes the handle 43 of guide pipe 41 with the long 6cm for being mounted on 41 one end of guide pipe, lead
It is the hollow circular tube of internal diameter 4.0mm, outer diameter 6.0mm, long 10cm to pipe 41,41 other end of guide pipe, which protrudes into, to be adjusted in inner cavity 33,
One end that guide pipe 41 protrudes into adjusting inner cavity 33 is open-ended for for being fixed on bone surface zigzag.
As shown in Figure 1, Figure 2 and Figure 3, roll adjustment sleeve 2 is arranged on guide plate 1 by positioner 21 and the cooperation of card slot 11,
In Fig. 3, the first bolt 51 passes through the screw-in of location hole 12 first and fixes in 31, and the second bolt 52 passes through locating slot 13 and screws in second
In fixed column 32, realize that angle adjustment device 3 is mounted on guide plate 1, and be fastened on guide plate 1 by adjusting roll adjustment sleeve 2
Different card slots 11 in, be adjusted the distance between roll adjustment sleeve 2 and angle adjustment device 3, and angle adjustment device 3 can put down
Row is that the center of circle rotates on guide plate 1, and limits angle by locating slot 13 with location hole 12 in the rotation in surface of guide plate 1, i.e.,
The adjustable angular range of regulating device 3, is fastened by bolts positioning after adjusting, moreover, the guide pipe 41 of pilot sleeve 4
It protrudes into and adjusts in inner cavity 33, angle can be adjusted in the plane vertical with guide plate 1.
In the present invention, the scale of left one side of something can be used to adjust between roll adjustment sleeve 2 and angle adjustment device 3 on guide plate 1
Distance, the arc positioning groove 13 of right one side of something and the inner cavity of angle adjustment device 3 can realize the angle adjustment of two vertical planes, respectively
Orientation angle can adjust within the scope of 30 °, and 41 end of guide pipe of pilot sleeve 4 can be directly against on bone face, make guide pin by
Scheduled entry point and direction are squeezed into bone.
During sacrum ilium nail sets nail, pilot sleeve of the invention has handle, can be individually used for the merging of guide pin 6,
It is placed in after first piece of guide pin, whether can be satisfied with according to fluoroscopy during operation Imaging Study guide pin position, direction, as position, direction are equal
It is satisfied, then it, will according to this distance values directly according to the distance needed between estimated two screws of preoperative pelvic inlet outlet bit slice
Roll adjustment sleeve 2 and angle adjustment device 3 are connected on guide plate 1, and then roll adjustment sleeve 2 is set in first piece be placed in led
On needle, it is horizontally driven into second piece of guide pin through pilot sleeve 4, after perspective is satisfied, that is, core drill can be used to drill and be screwed into sacrum ilium spiral shell
Nail.It, then, will according to preoperative image data and fluoroscopy during operation image if position, direction are dissatisfied after being placed in first piece of guide pin
Roll adjustment sleeve, target sleeves on guide plate and are fixed on first piece of guide pin with appropriately distance, angle combinations, then through being oriented to
Sleeve squeezes into one piece of guide pin, after perspective position is satisfied, then extracts the unsatisfied guide pin in position, then with the satisfied guide pin in position is mark
Will is squeezed into next piece of guide pin in aforementioned manners and is drilled using core drill after two guide pin positions of perspective are satisfied with and be screwed into sacrum ilium spiral shell
Nail.
As shown in Figure 10, in actual use, if the position to the first piece of guide pin squeezed into is satisfied, this group is used
Second piece of guide pin of trap cylinder easier can squeeze into second guide pin, need to only be horizontally driven into, without using hue angle function
Can, even if first second piece of position is not satisfied, second piece of guide pin can be extracted, continues with the satisfied guide pin in first piece of position to be ginseng
According to, finely tune entry point after be horizontally driven into second piece of guide pin；If dissatisfied to position, the direction of squeezing into first piece of guide pin,
First using unsatisfied guide pin as reference, by present apparatus adjustment direction and distance, the guide pin of one piece of position, direction satisfaction is squeezed into,
After the guide pin for having position, direction satisfied, first piece of position, the unsatisfied guide pin in direction can be extracted, on pelvis only at this time
The satisfied guide pin in one piece of position, direction is horizontally driven into next piece of guide pin then using this piece of guide pin as reference.
It takes sacrum ilium to can refer to the above method when following closely and squeezes into guide pin, reuse spiral shell knife and take out sacroiliac screw, when taking sacrum ilium to follow closely,
It needs first to squeeze into guide pin in hollow screw, then spiral shell knife is exactly found the nail tail of sacroiliac screw under the guidance of guide pin, thus will
Sacrum ilium nail takes out, and clinically squeezes into guide pin more difficult within sacrum ilium hollow screw, it usually needs and repeatedly squeezes into and have an X-rayed repeatedly,
Using the present apparatus, after squeezing into guide pin for the first time, if dissatisfied by perspective guide pin position, institute can be determined by fluoroscopy images
Then the position that need to be squeezed into is assembled the present apparatus by perspective gained distance, angle at a distance from guide pin position, angle, with
First piece of unsatisfied guide pin in position is reference, squeezes into guide pin in one piece of sacroiliac screw thereto.Then first piece of position is extracted
Unsatisfied guide pin, using the guide pin squeezed within one piece of sacroiliac screw as reference, according to the distance between two pieces of sacroiliac screws,
Angle also squeezes into one piece of guide pin within second piece of sacroiliac screw, is then followed closely two pieces of sacrum iliums together using spiral shell knife by guide pin
It takes out.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (10)
1. the sacrum ilium screw positioning device of a kind of Adjustable Range and angle, which is characterized in that including guide plate (1), be fastened on guide plate
(1) roll adjustment sleeve (2) on and it is mounted on guide plate (1) upper angle regulating device (3), is fastened on by adjusting roll adjustment sleeve (2)
The distance between position-adjustable roll adjustment sleeve (2) and angle adjustment device (3) on guide plate (1), and angle adjustment device (3)
It can be adjusting inner cavity (33) up and down in the rotation in surface for being parallel to guide plate (1), angle adjustment device (3), adjust
The pilot sleeve (4) that angle is adjusted in inner cavity (33) can adjusted by being provided in inner cavity (33), and pilot sleeve (4) adjusts angle institute
Plane and guide plate (1) where plane it is vertical.
2. the sacrum ilium screw positioning device of a kind of Adjustable Range according to claim 1 and angle, which is characterized in that described
Guide plate (1) is designed using rectangular configuration, and top is evenly equipped with several for blocking the card slot (11) for setting roll adjustment sleeve (2), roll adjustment set
Cylinder (2) is hollow round tubular, is provided with T-type positioner (21) on the outer wall of one end, and roll adjustment sleeve (2) passes through positioner (21)
It is arranged on guide plate (1) with card slot (11) cooperation.
3. the sacrum ilium screw positioning device of a kind of Adjustable Range according to claim 2 and angle, which is characterized in that described
A length of 8cm of guide plate (1), width 3cm, thickness 2mm, top left one side of something upper limb have the card slot of a wide 1mm every 1mm
(11), 11 depth 5mm, roll adjustment sleeve (2) the internal diameter 4.0mm, outer diameter 6.0mm, a length of 6cm of card slot.
4. the sacrum ilium screw positioning device of a kind of Adjustable Range according to claim 1 and angle, which is characterized in that described
It is also provided with location hole (12), is provided on the guide plate (1) immediately below location hole (12) concentric with location hole (12) on guide plate (1)
Arc positioning groove (13), angle adjustment device (3) is the narrow ladder structure of right angle design of top width bottom, adjust inner cavity (33) shape with
Angle adjustment device (3) shape is corresponding, and there are two the fixations for having screw hole for installation in the side trapezoidal faces of angle adjustment device (3)
Column, screw hole is vertical with trapezoidal right angle waist, and fixed column includes the first fixed column (31) and the second fixed column (32), the first bolt
(51) it passes through location hole (12) screw-in first to fix in (31), it is fixed that the second bolt (52) passes through locating slot (13) screw-in second
In column (32), the installation of angle adjustment device (3) is realized.
5. the sacrum ilium screw positioning device of a kind of Adjustable Range according to claim 4 and angle, which is characterized in that described
Location hole (12) is provided with guide plate (1) top right one side of something, and diameter 2mm, location hole (12) center of circle is with guide plate (1) distance from top
5mm, the width of locating slot are 2mm, and radius 2cm, radian is 60 °, the angle adjustment device (3) a height of 4cm, wall thickness 1mm, is adjusted
The rectangle that inner cavity (33) top opening is 30mmx6mm is saved, bottom opening is the rectangle of 7mmx6mm, and two fixed columns are at a distance of 2cm, spiral shell
Hole internal diameter 2mm.
6. the sacrum ilium screw positioning device of a kind of Adjustable Range according to claim 1 and angle, which is characterized in that described
Pilot sleeve (4) includes guide pipe (41) and the handle (43) for being mounted on guide pipe (41) one end, and guide pipe (41) other end is stretched
Enter to adjust in inner cavity (33), and guide pipe (41) is highly greater than angle adjustment device (3).
7. the sacrum ilium screw positioning device of a kind of Adjustable Range according to claim 6 and angle, which is characterized in that described
One end that guide pipe (41) protrudes into adjusting inner cavity (33) is open-ended for for being fixed on bone surface zigzag.
8. the sacrum ilium screw positioning device of a kind of Adjustable Range according to claim 7 and angle, which is characterized in that described
Guide pipe (41) is the hollow circular tube of internal diameter 4.0mm, outer diameter 6.0mm, long 10cm, handle (43) long 6cm.
9. the sacrum ilium screw positioning device of a kind of Adjustable Range according to claim 1 and angle, which is characterized in that described
Angle index is provided on guide plate (1) below locating slot (13).
10. the sacrum ilium screw positioning device of a kind of Adjustable Range according to claim 1 and angle, which is characterized in that institute
Angle adjustment device (3) is stated perpendicular to being provided with angle index on the one side of guide plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610981542.0A CN106618721B (en) | 2016-11-07 | 2016-11-07 | A kind of sacrum ilium screw positioning device of Adjustable Range and angle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610981542.0A CN106618721B (en) | 2016-11-07 | 2016-11-07 | A kind of sacrum ilium screw positioning device of Adjustable Range and angle |
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| CN106618721A CN106618721A (en) | 2017-05-10 |
| CN106618721B true CN106618721B (en) | 2019-03-15 |
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| CN201610981542.0A Active CN106618721B (en) | 2016-11-07 | 2016-11-07 | A kind of sacrum ilium screw positioning device of Adjustable Range and angle |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107361822B (en) * | 2017-06-30 | 2024-04-16 | 西安交通大学医学院第二附属医院 | Ultrasound guided S 3 Sacral nerve positioning device and positioning method |
| CN109202801B (en) * | 2017-12-07 | 2021-02-02 | 中国航空制造技术研究院 | Installation device and installation method for chemical bolts of equipment lathe bed |
| CN109875673B (en) * | 2019-03-28 | 2020-08-18 | 山东大学齐鲁医院(青岛) | Lower tibiofibular combined reduction and screw implantation guiding device |
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| US5688284A (en) * | 1996-09-20 | 1997-11-18 | Medicinelodge, Inc. | Variable angle drill guide and ligament fixation method |
| CN2889194Y (en) * | 2006-04-14 | 2007-04-18 | 宓士军 | A puncture positioning guide for vertebroplasty |
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| Publication number | Publication date |
|---|---|
| CN106618721A (en) | 2017-05-10 |
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