CN202859313U - Puncture angle locator guided by medical computed tomography scanner - Google Patents
Puncture angle locator guided by medical computed tomography scanner Download PDFInfo
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- CN202859313U CN202859313U CN2012205345724U CN201220534572U CN202859313U CN 202859313 U CN202859313 U CN 202859313U CN 2012205345724 U CN2012205345724 U CN 2012205345724U CN 201220534572 U CN201220534572 U CN 201220534572U CN 202859313 U CN202859313 U CN 202859313U
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- journal stirrup
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Abstract
The utility model discloses a puncture angle locator guided by a medical computed tomography scanner. A focus infection position of a patient is fixed by a fixing seat, wherein a rotating disk is installed on the fixing seat, a vertical circular plate is installed on the rotating disk, a positioning block of a guide hole is arranged in the circular plate in hinge mode, angles of the circular plate are adjusted through a worm (1) of a worm wheel (1), angles of the positioning block are adjusted through a worm (2) of a worm wheel (2), and the worm wheel (1) and the worm wheel (2) are mutually perpendicular. The puncture angle locator achieves accurate positioning and a self-locking structure of the worm wheels and the worms guided by the medical computed tomography scanner, facilitates operating of a doctor, can guarantee puncture success at the first time, reduces a repeated puncture ratio greatly, and reduces tissue wounds and complications.
Description
Technical field
This utility model relates to a kind of puncture angle positioner under guidance of medical computed tomographic scanner.
Background technology
Medical computer tomographic scanner (CT) guided percutaneous biopsy is easy and a technology that wound is little, now clinically extensive use, can for etiologic diagnosis provides reliable histocytology foundation, also can carry out the treatment of pathological changes part.And accuracy rate and the complication of puncture are the two large problems that the doctor studies always, and many scholars also did a large amount of the improvement technically.If it is improper that optimum puncturing point and puncture angle are selected, then may repeat inserting needle, very easily cause various complication, as infect, hemorrhage etc., severe patient can cause death.In addition, focus is less, and puncture success rate is lower, has incured loss through delay etiologic diagnosis and the treatment of early stage disease.The success rate that determines puncture has two large main points: depth of needle and needle angle.Depth of needle can be measured by the CT scanner, and the success rate of needle angle is determined by puncture doctor's technology and experience entirely.Especially, for the focus of diameter 0.5cm size, the puncture doctor is difficult to hold.How to reduce the repeated localised puncture rate, reduce the generation of tissue injury and complication, become the problem that people pay close attention to always and study.The applicant has applied for utility model patent ZL20102068049.2 in 2010, its disclosed device can be fine the positioning of help puncture doctor.But the angle locater that patent ZL20102068049.2 mentions is adjusted the position owing to need the operator directly to swing each parts with hands, and also will fix by screw angle orientation inaccuracy, inconvenient operation after adjusting.
The utility model content
The purpose of this utility model provides a kind of puncture angle positioner under guidance of medical computed tomographic scanner, and it can increase substantially the accuracy of location, reduces technical difficulty in the surgical doctor piercing process, effectively reduces wound and the complication of tissue.
This utility model is by the following technical solutions:
A kind of puncture angle positioner under guidance of medical computed tomographic scanner comprises: holder 1 extends outward a pair of wing plate 102 that is arranged symmetrically with for circular ring type base 101 and its cylindrical; Rotation disc 2 is for annular and below are processed with annular steps 201, and the annular steps of described rotation disc is nested in the hole of described circular ring type base 101;
The upper surface of rotation disc extends a levelling bench 204 to the annulus outside, a pair of vertical journal stirrup 2 203 is fixed in described platform upper surface, a pair of vertical journal stirrup 1 is separately fixed at the annulus upper surface of platform upper surface and platform offside, and be fixed on the centre that journal stirrup 1 on the platform is positioned at described a pair of journal stirrup 2 203, the line of described a pair of journal stirrup 1 overlaps with the circle diameter of described rotation disc 2 and is vertical with the line of described a pair of journal stirrup 2 203; A vertical semi-circular plate 9 is installed in rotation disc top, the cambered surface of described semi-circular plate up and the plane keep level in the bottom, semi-circular plate is hinged on the described a pair of journal stirrup 1 by the bearing pin 3 of a pair of horizontal direction; One side fixed turbine 1 of described semi-circular plate and with its around bearing pin 3 with turning, described turbine one and worm screw one 1 engagements, described worm screw one is rotationally connected and is installed on the described a pair of journal stirrup 2 203;
The a pair of journal stirrup 3 901 that is positioned at horizontal level is fixed on the top of one side of described semi-circular plate 9, the middle perforate 1 in the bottom of semi-circular plate also is rotationally connected an axle 902, one end of described axle 902 is fixedly connected with turbine 25, described turbine two and journal stirrup three are positioned at the same side of semi-circular plate, turbine two and worm screw 26 engagements, described worm screw two is rotationally connected and is installed on the described a pair of journal stirrup 3 901; The axis of described turbine one and turbine two is orthogonal; Be provided with a breach in the another side of described semi-circular plate, locating piece 10 is arranged in breach, and the other end of described axle 902 is fixedly connected with locating piece 10, described turbine two drives locating piece with turning by axle 902, the center of locating piece is provided with the pilot hole 12 of vertical direction, the central axes of the central axis of described pilot hole and described annulus base 101.
Described locating piece 10 fixedly is comprised of 11 docking of two identical trapezoid blocks, and processing a cross section along trapezoidal centrage on the interface of described trapezoid block is semicircular groove 1101; After described two trapezoid blocks, 11 docking, two grooves are combined into described pilot hole 12.
At the semicircle baffle plate 8 of a side grafting immobile phase of described semi-circular plate 9 coupling, and described locating piece is between semicircle baffle plate 8 and semi-circular plate 9.
The breach of described semi-circular plate 9 is fan-shaped, described sector notch is a pair of limited block 903 in the centre of semi-circular plate and the both sides of sector notch, described a pair of limited block is positioned at locating piece by on the rotary motion trace of axle 902 driven rotary, and the maximum angle that the anglec of rotation of locating piece is restricted to vertical direction is 60 °.
The pin-and-hole 1 of a pair of horizontal direction of processing on the described a pair of journal stirrup 1, described semi-circular plate lower end both sides perforate 2 904 is also hinged by bearing pin 3 and pin-and-hole 1.
Described turbine 1 is sectional wheel with turbine 25, and central angle is 40-120 °.
A kind of puncture angle positioner under guidance of medical computed tomographic scanner of the present utility model can increase substantially the accuracy of location, reduce technical difficulty in the surgical doctor piercing process, can realize the one-time puncture success, adjust the guide pad angle by turbine and worm, can effectively control needle angle, the focus of the diameter 0.5cm size that can successfully puncture; Realize being automatically locked by the turbine and worm self-locking after adjusting end; This positioner device has reduced the repeated localised puncture rate, has also reduced the wound of tissue and wound and the complication that complication reduces tissue.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the structural representation of holder;
Fig. 4 is the structural representation of rotation disc;
Fig. 5 is the structural representation of trapezoid block;
Fig. 6 is semicircle baffle arrangement sketch map;
Fig. 7 is the semi-circular plate structural representation.
The specific embodiment
A kind of puncture angle positioner under guidance of medical computed tomographic scanner, such as Fig. 1-4, holder 1 extends outward a pair of wing plate 102 that is arranged symmetrically with for circular ring type base 101 and its cylindrical; Rotation disc 2 is for annular and below are processed with annular steps 201, and the annular steps of described rotation disc is nested in the hole of described circular ring type base 101.
Such as Fig. 1,2,4,7, the upper surface of rotation disc extends a levelling bench 204 to the annulus outside, a pair of vertical journal stirrup 2 203 is fixed in described platform upper surface, a pair of vertical journal stirrup 1 is separately fixed at the annulus upper surface of platform upper surface and platform offside, and be fixed on the centre that journal stirrup 1 on the platform is positioned at described a pair of journal stirrup 2 203, the line of described a pair of journal stirrup 1 overlaps with the circle diameter of described rotation disc 2 and is vertical with the line of described a pair of journal stirrup 2 203; A vertical semi-circular plate 9 is installed in the rotation disc top, the cambered surface of described semi-circular plate up and the plane keep level in the bottom, the pin-and-hole 1 of a pair of horizontal direction of processing on the described a pair of journal stirrup 1, described semi-circular plate lower end both sides perforate 2 904 is also hinged by bearing pin 3 and pin-and-hole 1, and namely semi-circular plate is hinged on the described a pair of journal stirrup 1 by the bearing pin 3 of a pair of horizontal direction.One side fixed turbine 1 of described semi-circular plate and with its around bearing pin 3 with turning described turbine one and worm screw one 1 engagements.The pin-and-hole 2 2031 of a pair of correspondence of processing on the described a pair of journal stirrup 2 203, worm screw one is through in the pin-and-hole two and can rotates, and namely described worm screw one is rotationally connected and is installed on the described a pair of journal stirrup 2 203.Turbine one worm screw one forms turbine and worm mechanism, and can drive the semi-circular plate swing.
Such as Fig. 1,2,7, the a pair of journal stirrup 3 901 that is positioned at horizontal level is fixed on the top of one side of described semi-circular plate 9, the middle perforate 1 in the bottom of semi-circular plate also is rotationally connected an axle 902, described semi-circular plate 9 does not rotate with axle 902, one end of described axle 902 is fixedly connected with turbine 25, described turbine two and journal stirrup three are positioned at the same side of semi-circular plate, turbine two and worm screw 26 engagements, and described worm screw two is rotationally connected and is installed on the described a pair of journal stirrup 3 901; The axis of described turbine one and turbine two is orthogonal; Be provided with a breach in the another side of described semi-circular plate, locating piece 10 is arranged in breach, and the other end of described axle 902 is fixedly connected with locating piece 10, described turbine two drives locating piece with turning by axle 902, and semi-circular plate 9 differences turn, the center of locating piece is provided with the pilot hole 12 of vertical direction, the central axes of the central axis of described pilot hole and described annulus base 101.Turbine two worm screws two form turbine and worm mechanisms, and can drive locating piece and swing, and the swinging track of the semi-circular plate that drives perpendicular to described turbine one worm screw one of swinging track.
Such as Fig. 1,2,5, described locating piece 10 fixedly is comprised of 11 docking of two identical trapezoid blocks, and processing a cross section along trapezoidal centrage on the interface of described trapezoid block is semicircular groove 1101; After described two trapezoid blocks, 11 docking, two grooves are combined into described pilot hole 12.This structure makes things convenient for processing, and is easy for installation and removal when using.
Such as Fig. 1-Fig. 2, Fig. 6-Fig. 7, at the semicircle baffle plate 8 of a side grafting immobile phase of described semi-circular plate 9 coupling, and described locating piece is between semicircle baffle plate 8 and semi-circular plate 9.The semicircle baffle plate is used for further stationary positioned piece, makes it can not fall down from a side.
Such as Fig. 1,2,7, the breach of described semi-circular plate 9 is fan-shaped, described sector notch is a pair of limited block 903 in the centre of semi-circular plate and the both sides of sector notch, described a pair of limited block is positioned at locating piece by on the rotary motion trace of axle 902 driven rotary, and the maximum angle that the anglec of rotation of locating piece is restricted to vertical direction is 60 °.
In order to reduce the size of a whole set of positioner device, described turbine 1 is sectional wheel with turbine 25, and central angle is 40-120 °.
During use, determine lesions position after, a whole set of puncture angle localizer is placed on lesions position, lesions position is in the annulus base, use the sticking a pair of wing plate of medical adhesive tape or rubber plaster 102 to skin, localizer is fixed on the body foci position.The navigation hole 12 of locating piece 10 is used for penetrating puncture needle.Turn worm screw 1 and drive turbine one 4 drive semi-circular plates 9 around bearing pin 3 rotations, drive locating piece 10 around bearing pin 3 rotations; Turn worm screw 26 and drive turbines 25 and drive locating pieces 10 and in the plane perpendicular to bearing pin 3, swing, under the CT guiding, be implemented in horizontal stroke, vertically adjust angle.After angle adjustment is complete, stop to turn, because the latching characteristics of turbine and worm, locating piece is motionless.Namely need not locating piece to be fixed convenient operation by other means behind the location.Puncture needle is punctured along the degree of depth of navigating the hole and indicate according to CT, can guarantee the disposable success of puncturing.Significantly reduce the repeated localised puncture rate, reduced tissue injury and complication.
If puncture procedure is had any problem, can pull down first semicircle baffle plate 8, pull down again a trapezoid block 11 that forms locating piece 10, just do not block a side of puncture needle this moment.This moment with rotation disc 2 and on the turbine and worm installed take off from fixing head together, only stay the puncture needle of having determined the position through the CT guiding.Be convenient to doctor's operation.
Claims (6)
1. a puncture angle positioner under guidance of medical computed tomographic scanner is characterized in that, comprising: holder (1) extends outward a pair of wing plate (102) that is arranged symmetrically with for circular ring type base (101) and its cylindrical; Rotation disc (2) is for annular and below are processed with annular steps (201), and the annular steps of described rotation disc is nested in the hole of described circular ring type base (101);
The upper surface of rotation disc extends a levelling bench (204) to the annulus outside, a pair of vertical journal stirrup two (203) is fixed in described platform upper surface, a pair of vertical journal stirrup one (202) is separately fixed at the annulus upper surface of platform upper surface and platform offside, and be fixed on the centre that journal stirrup one (202) on the platform is positioned at described a pair of journal stirrup two (203), the line of described a pair of journal stirrup one (202) overlaps with the circle diameter of described rotation disc (2) and is vertical with the line of described a pair of journal stirrup two (203); A vertical semi-circular plate (9) is installed in rotation disc top, the cambered surface of described semi-circular plate up and the plane keep level in the bottom, semi-circular plate is hinged on the described a pair of journal stirrup one (202) by the bearing pin (3) of a pair of horizontal direction; One side fixed turbine one (4) of described semi-circular plate and with its around bearing pin (3) with turning, described turbine one and worm screw one (1) engagement, described worm screw one is rotationally connected and is installed on the described a pair of journal stirrup two (203);
The a pair of journal stirrup three (901) that is positioned at horizontal level is fixed on the top of one side of described semi-circular plate (9), the middle perforate one (905) in the bottom of semi-circular plate also is rotationally connected an axle (902), one end of described axle (902) is fixedly connected with turbine two (5), described turbine two and journal stirrup three are positioned at the same side of semi-circular plate, turbine two and worm screw two (6) engagements, described worm screw two is rotationally connected and is installed on the described a pair of journal stirrup three (901); The axis of described turbine one and turbine two is orthogonal; Be provided with a breach in the another side of described semi-circular plate, locating piece (10) is arranged in breach, and the other end of described axle (902) is fixedly connected with locating piece (10), described turbine two drives locating piece with turning by axle (902), the center of locating piece is provided with the pilot hole (12) of vertical direction, the central axes of the central axis of described pilot hole and described annulus base (101).
2. a kind of puncture angle positioner under guidance of medical computed tomographic scanner according to claim 1, it is characterized in that, described locating piece (10) fixedly is comprised of two identical trapezoid blocks (11) docking, and processing a cross section along trapezoidal centrage on the interface of described trapezoid block is semicircular groove (1101); After described two trapezoid blocks (11) docking, two grooves are combined into described pilot hole (12).
3. a kind of puncture angle positioner under guidance of medical computed tomographic scanner according to claim 1, it is characterized in that, at the semicircle baffle plate (8) of a side grafting immobile phase of described semi-circular plate (9) coupling, and described locating piece is positioned between semicircle baffle plate (8) and the semi-circular plate (9).
4. a kind of puncture angle positioner under guidance of medical computed tomographic scanner according to claim 1, it is characterized in that, the breach of described semi-circular plate (9) is fan-shaped, described sector notch is a pair of limited block (903) in the centre of semi-circular plate and the both sides of sector notch, described a pair of limited block is positioned at locating piece by on the rotary motion trace of axle (902) driven rotary, and the maximum angle that the anglec of rotation of locating piece is restricted to vertical direction is 60 °.
5. a kind of puncture angle positioner under guidance of medical computed tomographic scanner according to claim 1, it is characterized in that, the pin-and-hole one (2021) of a pair of horizontal direction of described a pair of journal stirrup one (202) upper processing, described semi-circular plate lower end both sides perforate two (904) is also hinged by bearing pin (3) and pin-and-hole one (2021).
6. a kind of puncture angle positioner under guidance of medical computed tomographic scanner according to claim 1 is characterized in that, described turbine one (4) is sectional wheel with turbine two (5), and central angle is 40-120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205345724U CN202859313U (en) | 2012-10-18 | 2012-10-18 | Puncture angle locator guided by medical computed tomography scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205345724U CN202859313U (en) | 2012-10-18 | 2012-10-18 | Puncture angle locator guided by medical computed tomography scanner |
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| Publication Number | Publication Date |
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| CN202859313U true CN202859313U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012205345724U Expired - Fee Related CN202859313U (en) | 2012-10-18 | 2012-10-18 | Puncture angle locator guided by medical computed tomography scanner |
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| CN (1) | CN202859313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215238A (en) * | 2019-06-03 | 2019-09-10 | 上海市肺科医院 | A kind of lung puncture angle controller and its angle control method based on CT guidance |
| CN112890927A (en) * | 2021-01-21 | 2021-06-04 | 青岛大学附属医院 | Intestinal surgery operation location piercing depth |
-
2012
- 2012-10-18 CN CN2012205345724U patent/CN202859313U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215238A (en) * | 2019-06-03 | 2019-09-10 | 上海市肺科医院 | A kind of lung puncture angle controller and its angle control method based on CT guidance |
| CN112890927A (en) * | 2021-01-21 | 2021-06-04 | 青岛大学附属医院 | Intestinal surgery operation location piercing depth |
| CN112890927B (en) * | 2021-01-21 | 2022-02-11 | 青岛大学附属医院 | Intestinal surgery operation location piercing depth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20141018 |
|
| EXPY | Termination of patent right or utility model |