CN104720886B - Angle guiding positioner - Google Patents
Angle guiding positioner Download PDFInfo
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- CN104720886B CN104720886B CN201510008746.1A CN201510008746A CN104720886B CN 104720886 B CN104720886 B CN 104720886B CN 201510008746 A CN201510008746 A CN 201510008746A CN 104720886 B CN104720886 B CN 104720886B
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- Prior art keywords
- bar
- outer tube
- laterally steering
- longitudinally guiding
- work
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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
-
- 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
- A61B17/88—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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (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)
Abstract
The invention belongs to the field of new surgical operating instruments. An angle guiding positioner is composed of a transverse guiding rod, a longitudinal guiding rod, a working outer sleeve and a working sleeve, wherein the longitudinal guiding rod moves in a transverse guiding groove in the transverse guiding rod through a guiding insertion disk, and the longitudinal guiding rod moves up and down on a fixed-radius arc with a needle inlet point as the circle center; the working outer sleeve moves in the longitudinal guiding groove of the longitudinal guiding rod and the working outer sleeve moves up and down on a same-fixed-radius-value arc with the needle inlet point as the circle center, the working sleeve is inserted in the working outer sleeve and moves along with movement of the working outer sleeve, and the position of the longitudinal guiding rod and the position of the working outer sleeve are fixed through fixing steel needles with a proper diameter. Thus, the proper needle inlet angle can be effectively adjusted and maintained, the positions of the positioned proper needle inlet points are not changed, accuracy and convenience of surgical operation can be increased, surgical operation safety can also be improved, and the time when a surgeon and a patient are exposed in X ray can also be shortened.
Description
Technical field
The invention belongs to surgical operating instrument field, specifically, invention is a kind of to carry out standard to the angle of operation technique
Really guide and fixing operating theater instruments --- angle orienting locator.In surgical operation, particularly orthopaedics Minimally Invasive Surgery carries out sky
When heart screw or Kirschner wire fixation, first adjustment determines suitable entry point, further according to fluoroscopy images adjusting screw or Kirschner wire etc.
The needle angle of internal fixation device.The at present clinically free-hand adjustment carrying out needle angle mostly is so both inaccurate and cannot
Effectively maintain suitable needle angle, not only operating difficulties, increase the x-ray open-assembly time of patient and patient, also can increase hand
The related complication of art operation, when particularly carrying out associative operation to these danger zones of upper cervical spine.Application angle guide-localization
Device, when carrying out screw or Kirschner wire fixation, can accurately and effectively adjust and maintain suitable needle angle, and do not change fixed
The position of the good suitable entry point in position, so can increase accuracy, the convenience of operation technique, also can improve the peace of operation technique
Quan Xing, but also the open-assembly time of patient and patient's x-ray can be reduced.
Background technology
In surgical operation, when particularly orthopaedics Minimally Invasive Surgery carries out hollow screw or Kirschner wire fixation, first adjustment determines
Suitable entry point, further according to perspective gained image, the needle angle of the internal fixation device such as adjusting screw or Kirschner wire；Face at present
The free-hand adjustment carrying out needle angle mostly on bed is so both inaccurate and cannot effectively maintain suitable needle angle, not only
Operating difficulties, increases the x-ray open-assembly time of patient and patient, also can increase the related complication of operation technique, particularly right
When these danger zones of upper cervical spine carry out associative operation.Application angle orienting locator, when carrying out screw or Kirschner wire fixation, can
Accurately and effectively to adjust and to maintain suitable needle angle, and do not change the position of the suitable entry point having had good positioning, so
Accuracy, the convenience of operation technique not only can be increased, also can improve the security of operation technique, but also can reduce patient with
The open-assembly time of patient's x-ray.
Content of the invention
Goal of the invention: invent a kind of angle orienting locator, this apparatus can conveniently and effectively adjust and maintain suitably to enter
Pin angle, and do not change the position of the suitable entry point having had good positioning, so can increase accuracy, the convenience of operation technique,
Also the security of operation technique can be improved, but also the open-assembly time of patient and patient's x-ray can be reduced.
The detailed description of the present invention: angle orienting locator is by laterally steering bar, longitudinally guiding bar, work outer tube and work
Make sleeve pipe composition, longitudinally guiding bar passes through the slotting disk of guiding and moves in the laterally steering groove of laterally steering bar, the track of its movement
It is with entry point as the center of circle, the circular arc of radii fixus moves；Work outer tube is in the longitudinally guiding groove of longitudinally guiding bar
Interior movement, the track of its movement is also with entry point as the center of circle, and the circular arc of identical radii fixus value moves, work set
Pipe is inserted in work outer tube, mobile with the movement of work outer tube, then is fixed by the fixing draw point of suitable diameter
Longitudinally guiding bar is in the position on laterally steering bar and work position on longitudinally guiding bar for the outer tube.So can accurately have
The adjustment of effect ground and the suitable needle angle of maintenance, and do not change the position of the suitable entry point having had good positioning, so not only can
Increase accuracy, the convenience of operation technique, also can improve the security of operation technique, but also patient and patient x can be reduced
The open-assembly time of ray.
A kind of angle orienting locator, is made up of laterally steering bar, longitudinally guiding bar, work outer tube and working column,
Laterally steering bar and longitudinally guiding bar are the circular arc with one fixed width and thickness.The two ends of laterally steering bar respectively have one ten thousand
To linking arm, it is connected with universal fixator, can reach the purpose of fixed lateral guide post, laterally steering bar hollow space is
Laterally steering groove, the guiding that can accommodate longitudinally guiding bar inserts disk.The lower end of longitudinally guiding bar has guiding to insert disk, can be plugged into laterally
So that laterally steering bar is connected as a single entity with longitudinally guiding bar in the laterally steering groove of guide post, longitudinally guiding bar main body hollow bulb
It is divided into longitudinally guiding groove, work outer tube can be accommodated.Working column be hollow straight pipeline, working column tail end has and expands
Portion, for limiting the depth of working column insertion.
It is in " t " type that guiding inserts disk, its transverse arm hollow, and respectively there is a kick the upper and lower side of transverse arm tail end, transverse arm
Length is equal to the width plus kick for the width of laterally steering bar, and the outer rim of the inner edge of its vertical arms and laterally steering bar is in shape
Match on shape；So both facilitate guiding to insert insertion and the dial-out of disk, and inserted disk when guiding and be inserted into the horizontal of laterally steering bar
When in gathering sill, by the constraint of two kicks and vertical arms inner edge so that guiding inserts disk laterally leading in laterally steering bar
Can only move along fixing arc track into groove.
The length of work outer tube is equal to the width of longitudinally guiding bar, and the inside and outside two ends of work outer tube respectively have in one
Empty annulus, the internal diameter of annulus is equal to the internal diameter making sleeve pipe outside work, and the external diameter of annulus is more than the external diameter of work outer tube, medial extremity
Annulus, outboard end annulus are morphologically matched with the interior lateral border of longitudinally guiding bar；So work outer tube is subject to medial extremity
Annulus and the constraint of outboard end annulus, it can only move along fixing arc track in the longitudinally guiding groove of longitudinally guiding bar.
During work, the bulb of working column tail end is close to the outboard end annulus of work outer tube, at this moment working column
Head end be exactly laterally steering bar and this two circular arcs of longitudinally guiding circular arc the center of circle, with longitudinally guiding bar and work outer tube
Movement, with its head end as the center of circle, tail end moves on a certain size sphere working column.
The vertical arms upper/lower terminal of the outboard end annulus of work outer tube and the slotting disk of guiding all has several circular socket holes, horizontal
Also there are several circular socket to the Outboard Sections of guide post and longitudinally guiding bar.After working column is adjusted to proper angle, will
The fixing draw point of suitable diameter is inserted into longitudinally guiding bar Outboard Sections by the outboard end annulus circular socket holes of work outer tube
In the longitudinally guiding bar circular socket of correct position, work position on longitudinally guiding bar for the outer tube is just fixed；With
Sample, the fixing draw point of suitable diameter is inserted into the outside portion division of laterally steering bar by the vertical arms circular socket holes that guiding inserts disk
In the laterally steering bar circular socket that right position is put, position on laterally steering bar for the longitudinally guiding bar is also fixed, finally
Work position on three dimensions for the outer tube is just fixed, and is conducive to the operation technique of next step.
The guiding of longitudinally guiding bar inserts the distance between two adjacent vertical arms circular socket holes on disk slightly smaller than two phases
The distance of adjacent laterally steering bar circular socket, taking the vertical arms circular socket holes of lower end and laterally steering bar circular socket as a example, its
Difference is subtracted one for the distance between two adjacent transverse guide post circular socket by vertical arms circular socket holes quantity and is divided by, so not
Insert, by guiding, the where that disk is located at laterally steering bar, all have at least one guiding insert the vertical arms circular socket holes on disk with laterally
Guide post circular socket matches, and the fixing draw point of available suitable diameter is fixed, and so can reduce longitudinally guiding bar and exist
Minimum angle adjustable on laterally steering bar, improves adjustable accuracy.
The invention has the beneficial effects as follows, by movement in the laterally steering groove of laterally steering bar for the longitudinally guiding bar Lai real
Now work outer tube movement in the horizontal, by the movement in the longitudinally guiding groove of longitudinally guiding bar for the outer tube that works Lai real
Now work outer tube movement in the vertical；Pass through the insertion of fixing draw point again, to fix work outer tube in longitudinally guiding bar
On movement on laterally steering bar of movement and longitudinally guiding bar；Working column is inserted in work outer tube, outer with work
The movement of sleeve pipe and move, such working column can be realized with entry point as the center of circle, a range of sphere of correct radial
Working column also easily can be fixed on suitable angle by upper movement.The accuracy of operation technique, convenient so can be increased
Property, also can improve the security of operation technique, but also the open-assembly time of patient and patient's x-ray can be reduced.
Brief description
Accompanying drawing 1 is that the element of angle orienting locator splits schematic diagram；Accompanying drawing 2 is that the entirety of angle orienting locator is illustrated
Figure；Accompanying drawing 3 is that guiding inserts disk longitudinal cross-section schematic diagram, and accompanying drawing 4 is that the guiding of angle orienting locator inserts disk and laterally steering bar
Connection diagram, accompanying drawing 5 is laterally steering bar and guiding inserts the slot of disk, jack schematic diagram, and accompanying drawing 6 is longitudinally guiding bar and work
Make the jack schematic diagram of the outboard end annulus of outer tube；In figure:
1 is laterally steering bar；
2 is longitudinally guiding bar；
3 is the universal linking arm of laterally steering bar；
4 is laterally steering bar hollow space, laterally steering groove；
5 is the laterally steering bar circular socket of laterally steering bar Outboard Sections；
6 is the slotting disk of guiding of longitudinally guiding bar, and vertical section is in " t " type；
7 is longitudinally guiding bar main body hollow space, longitudinally guiding groove；
8 is the longitudinally guiding bar circular socket of longitudinally guiding bar Outboard Sections；
9 insert the transverse arm of disk for longitudinally guiding bar guiding；
10 insert the kick of the upper and lower side of disk transverse arm tail end for longitudinally guiding bar guiding；
11 insert the vertical arms of disk for longitudinally guiding bar guiding；
12 insert the vertical arms circular socket holes of disk for longitudinally guiding bar guiding；
13 is work outer tube, is the straight pipeline of hollow；
14 is the outboard end annulus of work outer tube；
15 is the outboard end annulus circular socket holes of work outer tube；
16 is the medial extremity annulus of work outer tube；
17 is working column, is the straight pipeline of hollow；
18 is the head end of working column；
19 is the bulb of working column tail end；
20 is the fixing draw point of suitable diameter.
Specific embodiment
Below in conjunction with the accompanying drawings patent of the present invention is further described.
Accompanying drawing 1 is that the element of angle orienting locator splits schematic diagram, and in figure visibility angle orienting locator is by laterally leading
To bar (1), longitudinally guiding bar (2), work outer tube (13) and working column (17) composition, accompanying drawing 2 is angle orienting locator
Overall schematic.
In accompanying drawing 1, laterally steering bar (1) and longitudinally guiding bar (2) are the circular arc with one fixed width and thickness.Laterally
Respectively there is a universal linking arm (3) at the two ends of guide post, are connected with universal fixator, can reach fixed lateral guide post
(1) purpose, laterally steering bar (1) hollow space is laterally steering groove (4), and the guiding that can accommodate longitudinally guiding bar (2) inserts disk
(6).The lower end of longitudinally guiding bar (2) has guiding to insert disk (6), can be plugged in the laterally steering groove (4) of laterally steering bar (1),
Laterally steering bar (1) is connected as a single entity, longitudinally guiding bar (2) main body hollow space is longitudinally guiding with longitudinally guiding bar (2)
Groove (7), can accommodate work outer tube (13).Working column (17) be hollow straight pipeline, working column (17) tail end has one
Bulb (19), inserts the depth of work outer tube (13) for limiting working column (17).
Accompanying drawing 3 is that guiding inserts disk longitudinal cross-section schematic diagram, and the vertical section that in figure guiding inserts disk (6) is in " t " type, its transverse arm
(9) hollow, respectively there is a kick (10) the upper and lower side of transverse arm (9) tail end, and the length of transverse arm (9) is equal to laterally steering bar
(1) width adds the outer rim of the width of kick (10), the inner edge of its vertical arms (11) and laterally steering bar (1) in shape
Match, so can conveniently guide insertion and the dial-out of slotting disk (6)；Accompanying drawing 4 is that the guiding of angle orienting locator inserts disk and horizontal stroke
To guide post connection diagram, in figure, when guiding is inserted disk (6) and is inserted in the laterally steering groove (4) of laterally steering bar (1), is led to
Cross the constraint of two kicks (10) and vertical arms (11) inner edge so that guiding inserts disk (6) laterally leading in laterally steering bar (1)
Can only move along fixing arc track into groove (4).
In accompanying drawing 1 and accompanying drawing 2, the length of work outer tube (13) is equal to the width of longitudinally guiding bar (2), and work outer tube
(13) outboard end has the outboard end annulus (14) of a hollow, and the medial extremity of work outer tube (13) has the inner side of a hollow
End annulus (16), the internal diameter of medial extremity annulus (16) and outboard end annulus (14) is equal to the internal diameter making sleeve pipe (13) outside work, inner side
The external diameter of end annulus (16) and outboard end annulus (14) is more than the external diameter of work outer tube (13), medial extremity annulus (16), outside
End annulus (14) is morphologically matched with the interior lateral border of longitudinally guiding bar (2).So work outer tube (13) is subject to inner side
End annulus (16) and the constraint of outboard end annulus (14), it can only be along fixation in the longitudinally guiding groove (7) of longitudinally guiding bar (2)
Arc track move.
In accompanying drawing 2, working column (17) inserts the work outer tube (13) of hollow, the expanding of working column (17) tail end
The outboard end annulus (14) of work outer tube (13) is close in portion (19), and at this moment the head end (18) of working column (17) is exactly horizontal
Guide post (1) and the center of circle of longitudinally guiding bar (2) this two circular arcs, with longitudinally guiding bar (2) and the outer tube (13) that works
Mobile, with its head end (18) as the center of circle, its tail end moves on a certain size sphere of radii fixus working column (17).
Accompanying drawing 5 is laterally steering bar and guiding inserts the slot of disk, jack schematic diagram, and accompanying drawing 6 is longitudinally guiding bar and work
The jack schematic diagram of the outboard end annulus of outer tube, the outboard end annulus (14) of in figure work outer tube (13) and guiding insert disk
(6) vertical arms (11) upper/lower terminal all has several circular socket holes, the outside portion of laterally steering bar (1) and longitudinally guiding bar (2)
Dividing all has several circular socket.After working column (17) is adjusted to proper angle, the fixing draw point (20) of suitable diameter is led to
Outboard end annulus circular socket holes (15) crossing work outer tube (13) is inserted into the longitudinal direction of longitudinally guiding bar (2) outer rim correct position
In guide post circular socket (8), position on longitudinally guiding bar (2) for work outer tube (13) is just fixed；Equally, will
The fixing draw point (20) of suitable diameter passes through the vertical arms circular socket holes that guiding inserts vertical arms (11) upper/lower terminal of disk (6)
(12) it is inserted in laterally steering bar circular socket (5) of laterally steering bar (1) Outboard Sections correct position, longitudinally guiding bar
(2) position on laterally steering bar (1) is also fixed, position on three dimensions for the final working column (13) just by
It is fixed up, the angle of working column (17) is also just locked, is conducive to the operation technique of next step.
The guiding of longitudinally guiding bar (2) inserts the distance between two adjacent vertical arms circular socket holes (12) on disk (6) slightly
Less than the distance of two adjacent transverse guide post circular socket (5), with the vertical arms circular socket holes (12) of lower end and laterally steering
As a example bar circular socket (5), its difference is that the distance between two adjacent transverse guide post circular socket (5) are circular by vertical arms
Jack (12) quantity subtracts one and is divided by, no matter so guide inserting the where that disk (6) is located at laterally steering bar (1), all has at least one
The vertical arms circular socket holes (12) that individual guiding is inserted on disk (6) are matched with laterally steering bar circular socket (5), available suitable diameter
Fixing draw point (20) fixed, so can reduce minimum adjustable angle on laterally steering bar (1) for the longitudinally guiding bar (2)
Degree, improves adjustable accuracy.
During operation technique, working column (17) is inserted in work outer tube (13), and makes working column (17) tail end
Bulb (19) be close to the outboard end annulus (14) of work outer tube (13), the head end (18) of working column (17) is pressed closer
On target sclerotin, the lower head end (18) determining working column (17) of perspective is located on suitable entry point.It is well placed and laterally lead
To the position of bar (1), with universal fixator by universal linking arm (3) fixed lateral guide post (1).By longitudinally guiding bar
(2) pass through the slotting disk (6) of guiding to be connected with laterally steering bar (1), and with one in the laterally steering groove (4) of laterally steering bar (1)
Fixed track is moved, and work outer tube (13) is moved with certain track in the longitudinally guiding groove (7) of longitudinally guiding bar (2),
Drive working column (17) with its head end (18) as the center of circle, its tail end moves on a certain size sphere of radii fixus.
After working column (17) is adjusted to proper angle, the fixing draw point (20) of suitable diameter is passed through work outer tube
(13) outboard end annulus circular socket holes (15) of outboard end annulus (14) is inserted into the suitable position of longitudinally guiding bar (2) Outboard Sections
In longitudinally guiding bar circular socket (8) put, work outer tube (13) is under the position on longitudinally guiding bar (2) is just by fixation
Come；Equally, the vertical arms circular socket holes (12) the fixing draw point (20) of suitable diameter being passed through the slotting disk (6) of guiding are inserted into laterally
In laterally steering bar circular socket (8) of guide post (1) Outboard Sections correct position, longitudinally guiding bar (2) is in laterally steering bar
(1) position on is also fixed, and position on three dimensions for the outer tube that finally works (13) is just fixed, work
The angle of sleeve pipe (17) is also just locked, because being that its tail end is in radii fixus with the head end of working column (17) (18) as the center of circle
A certain size sphere on move, the position because of the head end (18) of working column (17) is fixed, and does not move.
Claims (8)
1. a kind of angle orienting locator, by laterally steering bar (1), longitudinally guiding bar (2), work outer tube (13) and work set
The mechanism that pipe (17) forms is it is characterised in that the lower end of longitudinally guiding bar (2) has guiding to insert disk (6), laterally steering bar (1) hollow
Part is laterally steering groove (4), and the guiding that can accommodate longitudinally guiding bar (2) inserts disk (6), by longitudinally guiding bar (2) horizontal
Realizing work outer tube (13) movement in the horizontal, work outer tube (13) is in longitudinally guiding for movement in gathering sill (4)
Movement in groove (7) is realizing work outer tube (13) movement in the vertical；By the insertion of fixing draw point (20), can be by work
Make outer tube (13) and be fixed on that longitudinally guiding bar (2) is upper and longitudinally guiding bar (2) is fixed on (1) on laterally steering bar；Work set
Pipe (17) is inserted in work outer tube (13), and the bulb (19) of working column (17) tail end is close to work outer tube (13)
Outboard end annulus (14), such working column (17) both easily with its head end (18) as the center of circle, correct radial certain
Move on the sphere of scope, working column (17) easily can be fixed on suitable angle again.
2. angle orienting locator as claimed in claim 1, is characterized in that described laterally steering bar (1) and longitudinally guiding bar
(2) it is the circular arc with one fixed width and thickness, and there is identical radius.
3. angle orienting locator as claimed in claim 1, is characterized in that there is guiding the lower end of described longitudinally guiding bar (2)
Slotting disk (6), can be plugged in the laterally steering groove (4) of laterally steering bar (1) hollow space so that laterally steering bar is led with longitudinal
It is connected as a single entity to bar, longitudinally guiding bar (2) main body hollow space is longitudinally guiding groove (7), accommodates work outer tube (13).
4. angle orienting locator as claimed in claim 1, on the tail end of transverse arm (9) that it is characterized in that guide slotting disk (6),
Respectively there is a kick (10) downside, and the length of transverse arm (9) is equal to the width of laterally steering bar (1) plus kick (10)
Width, guiding insert disk (6) the inner edge of vertical arms (11) match in shape with the outer rim of laterally steering bar (1), so when
Guiding insert disk (6) be inserted into laterally steering bar (1) laterally steering groove (4) interior when, by two kicks (10) and vertical arms
(11) constraint of inner edge is so that the slotting disk (6) of guiding can only be along fixing rail in the laterally steering groove (4) of laterally steering bar (1)
Mark moves.
5. angle orienting locator as claimed in claim 1, is characterized in that the length of described work outer tube (13) is equal to
The width of longitudinally guiding bar (2), the outboard end of work outer tube (13) has the outboard end annulus (14) of a hollow, and work overcoat
The medial extremity of pipe (13) has the medial extremity annulus (16) of a hollow, the internal diameter of medial extremity annulus (16) and outboard end annulus (14)
Equal to the internal diameter making sleeve pipe (13) outside work, the external diameter of medial extremity annulus (16) and outboard end annulus (14) is more than work outer tube
(13) the interior lateral border morphologically kissing of external diameter, medial extremity annulus (16), outboard end annulus (14) and longitudinally guiding bar (2)
Close, the outer tube (13) that so works is subject to the constraint of medial extremity annulus (16) and outboard end annulus (14), and it is in longitudinally guiding bar
(2) can only move along fixing arc track in longitudinally guiding groove (7).
6. angle orienting locator as claimed in claim 1, is characterized in that the outboard end circle of described work outer tube (13)
Ring (14) has several outboard ends annulus circular socket holes (15), and the Outboard Sections of longitudinally guiding bar (2) have several longitudinally guiding bar circles
Shape slot (8), the fixing draw point (20) of suitable diameter passes through the outboard end of the outboard end annulus (14) of (13) of work outer tube
Annulus circular socket holes (15) are inserted in longitudinally guiding bar circular socket (8) of longitudinally guiding bar (2) Outboard Sections correct position,
Position on longitudinally guiding bar (2) for work outer tube (13) is just fixed.
7. angle orienting locator as claimed in claim 1, is characterized in that described guiding inserts the vertical arms (11) of disk (6)
Upper/lower terminal all has several vertical arms circular socket holes (12), and the Outboard Sections of laterally steering bar (1) have several laterally steering bar circles
Shape slot (8), the fixing draw point (20) of suitable diameter passes through the vertical arms that guiding inserts vertical arms (11) upper/lower terminal of disk (6)
Circular socket holes (12) are inserted in laterally steering bar circular socket (5) of laterally steering bar Outboard Sections correct position, longitudinally lead
It is fixed to position on laterally steering bar (1) for the bar (2).
8. angle orienting locator as claimed in claim 1, is characterized in that described working column (17) inserts the work of hollow
Make outer tube (13), the bulb (19) of working column (17) tail end is close to the outboard end annulus of work outer tube (13)
(14), at this moment the head end (18) of working column (17) is exactly the circle of laterally steering bar (1) and longitudinally guiding bar (2) this two circular arcs
The heart, with longitudinally guiding bar (2) and work outer tube (13) movement, working column (17) with its head end (18) as the center of circle, tail
End is moved on a certain size sphere of radii fixus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008746.1A CN104720886B (en) | 2015-01-08 | 2015-01-08 | Angle guiding positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008746.1A CN104720886B (en) | 2015-01-08 | 2015-01-08 | Angle guiding positioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104720886A CN104720886A (en) | 2015-06-24 |
| CN104720886B true CN104720886B (en) | 2017-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510008746.1A Expired - Fee Related CN104720886B (en) | 2015-01-08 | 2015-01-08 | Angle guiding positioner |
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| CN (1) | CN104720886B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192371A (en) * | 2017-05-11 | 2017-09-22 | 海迪科（南通）光电科技有限公司 | A kind of ray Space Angle position indicator |
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| CN2822546Y (en) * | 2005-08-05 | 2006-10-04 | 邹子扬 | Medical puncture guiding device |
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| CN204379423U (en) * | 2015-01-08 | 2015-06-10 | 林仲可 | Angle orienting locator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013176098A1 (en) * | 2012-05-23 | 2013-11-28 | テルモ株式会社 | Puncture device |
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2015
- 2015-01-08 CN CN201510008746.1A patent/CN104720886B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5280427A (en) * | 1989-11-27 | 1994-01-18 | Bard International, Inc. | Puncture guide for computer tomography |
| CN2822546Y (en) * | 2005-08-05 | 2006-10-04 | 邹子扬 | Medical puncture guiding device |
| CN203122610U (en) * | 2013-03-01 | 2013-08-14 | 张忠荣 | Percutaneous pedicle puncture three-dimensional positioning guide device |
| CN204379423U (en) * | 2015-01-08 | 2015-06-10 | 林仲可 | Angle orienting locator |
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| CN104720886A (en) | 2015-06-24 |
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