CN209808484U - CT-guided puncture positioning device - Google Patents
CT-guided puncture positioning device Download PDFInfo
- Publication number
- CN209808484U CN209808484U CN201920223685.4U CN201920223685U CN209808484U CN 209808484 U CN209808484 U CN 209808484U CN 201920223685 U CN201920223685 U CN 201920223685U CN 209808484 U CN209808484 U CN 209808484U
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- China
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- fixedly connected
- plate
- positioning device
- puncture positioning
- limit switch
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Abstract
The utility model discloses a puncture positioner of CT guide, the on-line screen storage device comprises a base, the last fixed surface of base is connected with an installation section of thick bamboo, the inside of an installation section of thick bamboo is provided with electric putter, electric putter's upper end is provided with the diaphragm, the upper end of diaphragm is provided with the connecting rod, the one end rotation of connecting rod is connected with the telescopic link, the one end fixedly connected with roof of telescopic link, the roof, the inside top position of roof is provided with the spirit level, the inside bottom position fixedly connected with biax motor of spirit level, the one end fixedly connected with driving gear of the output shaft of biax motor, the below of driving gear is rotated through the sawtooth meshing and is connected with driven gear, driven gear's lower extreme fixedly connected with axis. The utility model discloses the location is adjusted more accurately stably, can accurately find the best direction of inserting needle of puncture, improves the precision of puncture, has the mechanism of illumination, is convenient for observe, and the design is more humanized.
Description
Technical Field
The utility model relates to a puncture location technical field especially relates to a CT guided puncture positioner.
Background
When lesion occurs in a human body, a puncture technology is sometimes needed to carry out biopsy or micro-microwave, radio frequency ablation, particle implantation and other minimally invasive treatments on a lesion part, a CT (computed tomography) machine is used for scanning different cross sections of the human body to determine the accurate position of the lesion, the optimal needle insertion position, angle and depth are selected on the skin surface of a corresponding layer, when medical staff puncture a patient, CT scanning is needed to determine the approximate position of the lesion, then the angle and position of the in-vitro needle insertion are designed according to the relation of tissues around the lesion, and then CT scanning is carried out to confirm, however, the traditional puncture method can find more accurate needle insertion points only by the repeated needle insertion and CT scanning confirmation of the medical staff, the radiation injury of the patient is increased by the repeated CT scanning, multiple puncture points, puncture angles and puncture depths are searched for many times, and the operation time is long, in addition, medical staff often shakes fingers due to uncertain factors in the process of puncturing, so that the puncturing angle is inclined or the puncturing position is inaccurate, and for a patient, not only are mental and physical pains increased, but also the treatment or examination time is prolonged, and the success rate of sampling and examining puncture treatment or living tissues (including suspicious tumor tissues) is reduced.
The puncture positioning device guided by the existing CT cannot adjust the height reasonably and accurately when the device is positioned, the positioning adjustment is not accurate and stable enough, and when the light is dark, the device is not favorable for observation and does not have a lighting device, so that the design is humanized and low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a puncture positioning device guided by CT.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a CT-guided puncture positioning device comprises a base, wherein an installation cylinder is fixedly connected to the upper surface of the base, an electric push rod is arranged inside the installation cylinder, a transverse plate is arranged at the upper end of the electric push rod, a connecting rod is arranged at the upper end of the transverse plate, one end of the connecting rod is rotatably connected with a telescopic rod, one end of the telescopic rod is fixedly connected with a top plate, the top plate is arranged at the inner top position of the top plate, a level gauge is fixedly connected to the inner bottom position of the level gauge, a double-shaft motor is fixedly connected to one end of an output shaft of the double-shaft motor, a driving gear is fixedly connected to one end of an output shaft of the double-shaft motor, a driven gear is rotatably connected below the driving gear through sawtooth meshing, a rotating shaft is fixedly connected to the lower end of the driven gear, the utility model discloses a lamp, including backup pad, screw rod, backup pad, spout, the inside sliding connection of spout has the slider, the surface of bolt pole is provided with the nut piece, one side lateral wall fixedly connected with mounting panel of nut piece, the backup pad sets up the one side at the light, the spout has been seted up to one side lateral wall of backup pad, the inside sliding connection of spout has the slider, the surface of bolt piece.
Preferably, one side fixedly connected with fixed plate of nut piece is kept away from to the lateral wall of mounting panel, the last fixed surface of fixed plate is connected with the calibrated scale, the below of calibrated scale is provided with puncture location pointer.
Preferably, one side of the side wall of the supporting plate, which is close to the sliding block, is fixedly connected with a limit switch A and a limit switch B, and the limit switch B is arranged above the limit switch A.
Preferably, the inner side wall of the installation cylinder is longitudinally provided with a movable groove, the inner part of the movable groove is slidably connected with a movable block, and the side wall of one side of the movable block is fixedly connected with the transverse plate.
Preferably, one side of the side wall of the sliding block, which is far away from the supporting plate, is fixedly connected with the nut block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, the double-shaft motor is started, the double-shaft motor drives the rotating shaft to rotate through the driving gear and the driven gear, the bolt rod rotates, the nut block drives the mounting plate to move up and down, meanwhile, the slide block slides in the chute, so that the nut block can be effectively ensured to move more stably, the control module is arranged in the top plate, when the nut block triggers the limit switch A and the limit switch B, the limit switch A and the limit switch B send signals, the control module receives and processes the signals, the double-shaft motor is controlled to change the rotating direction, the mounting plate is used for driving the nut block to move up and down circularly, the device can adjust the height reasonably and accurately when positioning, the positioning adjustment is more accurate and stable, and the best needle feeding direction of puncture can be found accurately, the puncture precision is improved.
The utility model discloses in, place the base on CT bed, through starting electric putter, electric putter passes through the diaphragm and pushes up the connecting rod, and the movable block slides in the inside of activity groove, guarantees steady the shifting up of diaphragm, through adjusting the telescopic link, and the light is opened to change device's horizontal position that can be reasonable, and the light shines downwards, and the device has the mechanism of illumination at the in-process of work, is convenient for observe, and the design is more humanized.
Drawings
Fig. 1 is a schematic structural view of a CT-guided puncture positioning device according to the present invention;
fig. 2 is an enlarged view of a position a of the CT-guided puncture positioning device of the present invention.
In the figure: the device comprises a base 1, an installation barrel 2, an electric push rod 3, a transverse plate 4, a connecting rod 5, a telescopic rod 6, a top plate 7, an illuminating lamp 8, a double-shaft motor 9, a level 10, a driving gear 11, a driven gear 12, a rotating shaft 13, a mounting plate 14, a dial 15, a fixing plate 16, a puncture positioning pointer 17, a nut block 18, a bolt rod 19, limit switches A and A, 21 and 22, a support plate 22, a chute 23 and a limit switch B24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a CT-guided puncture positioning device comprises a base 1, a mounting cylinder 2 is fixedly connected to the upper surface of the base 1, an electric push rod 3 is arranged inside the mounting cylinder 2, a transverse plate 4 is arranged at the upper end of the electric push rod 3, a connecting rod 5 is arranged at the upper end of the transverse plate 4, one end of the connecting rod 5 is rotatably connected with a telescopic rod 6, one end of the telescopic rod 6 is fixedly connected with a top plate 7, the top plate 7, a level 10 is arranged at the top position inside the top plate 7, a double-shaft motor 9 is fixedly connected to the bottom position inside the level 10, one end of an output shaft of the double-shaft motor 9 is fixedly connected with a driving gear 11, a driven gear 12 is rotatably connected below the driving gear 11 through sawtooth meshing, a rotating shaft 13 is fixedly connected to the lower end of the driven gear, the lower fixed surface of roof 7 is connected with light 8 and backup pad 22, and backup pad 22 sets up in one side of light 8, and spout 23 has been seted up to one side lateral wall of backup pad 22, and the inside sliding connection of spout 23 has slider 21, and the surface of shank of bolt 19 is provided with nut piece 18, and one side lateral wall fixed connection of nut piece 18 has mounting panel 14.
One side fixedly connected with fixed plate 16 that nut block 18 was kept away from to the lateral wall of mounting panel 14, the last fixed surface of fixed plate 16 is connected with calibrated scale 15, the below of calibrated scale 15 is provided with puncture location pointer 17, the movable groove has vertically been seted up to the inside wall of installation section of thick bamboo 2, the inside sliding connection in movable groove has the movable block, one side lateral wall and diaphragm 4 fixed connection of movable block, one side fixedly connected with limit switch A20 and limit switch B24 that the lateral wall of backup pad 22 is close to slider 21, limit switch B24 sets up the top at limit switch A20, one side and nut block 18 fixed connection that backup pad 22 was kept away from to slider 21's lateral wall.
The working principle is as follows: when the device is used, the base 1 is placed on a CT bed, the electric push rod 3 is started, the electric push rod 3 pushes the connecting rod 5 upwards through the transverse plate 4, the movable block slides in the movable groove to ensure the transverse plate 4 to stably move upwards, the horizontal position of the device can be reasonably changed by adjusting the telescopic rod 6, the illuminating lamp 8 is turned on, the illuminating lamp 8 irradiates downwards, the device has an illuminating mechanism in the working process, the observation is convenient, the design is more humanized, the double-shaft motor 9 is started, the double-shaft motor 9 drives the rotating shaft 13 to rotate through the driving gear 11 and the driven gear 12, the bolt rod 19 rotates, the nut block 18 drives the mounting plate 14 to move upwards and downwards, meanwhile, the sliding block 21 slides in the sliding groove 23, the nut block 18 is effectively ensured to move more stably, the control module is arranged in the top plate 7, and when the nut block 18 triggers the limit switch A20 and the limit, limit switch A20 and limit switch B24 send signal, control module receives the processing signal, control double-shaft motor 9 changes the pivoted direction, use mounting panel 14 to drive reciprocating that nut piece 18 can circulate, through setting up double-shaft motor 9, driving gear 11, driven gear 12, nut piece 18 and shank of bolt 19, make the device when fixing a position, can be reasonable accurate carry out height-adjusting, the location is adjusted more accurately stably, can accurately find the best needle insertion direction of puncture, improve the precision of puncture.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A CT-guided puncture positioning device comprises a base (1) and is characterized in that an installation cylinder (2) is fixedly connected to the upper surface of the base (1), an electric push rod (3) is arranged inside the installation cylinder (2), a transverse plate (4) is arranged at the upper end of the electric push rod (3), a connecting rod (5) is arranged at the upper end of the transverse plate (4), one end of the connecting rod (5) is rotatably connected with a telescopic rod (6), one end of the telescopic rod (6) is fixedly connected with a top plate (7), the top plate (7) is provided with a spirit level (10) at the top inside of the top plate (7), a double-shaft motor (9) is fixedly connected at the bottom inside of the spirit level (10), a driving gear (11) is fixedly connected at one end of an output shaft of the double-shaft motor (9), and a driven gear (12) is rotatably connected below the driving gear (11) through, the lower extreme fixedly connected with axis of rotation (13) of driven gear (12), the lower extreme of axis of rotation (13) runs through lower surface and fixedly connected with shank of bolt (19) of roof (7), the lower surface fixedly connected with light (8) and backup pad (22) of roof (7), backup pad (22) set up the one side at light (8), spout (23) have been seted up to one side lateral wall of backup pad (22), the inside sliding connection of spout (23) has slider (21), the surface of shank of bolt (19) is provided with nut piece (18), one side lateral wall fixedly connected with mounting panel (14) of nut piece (18).
2. A CT-guided puncture positioning device according to claim 1, wherein a fixing plate (16) is fixedly connected to a side of the side wall of the mounting plate (14) far from the nut block (18), a dial (15) is fixedly connected to the upper surface of the fixing plate (16), and a puncture positioning pointer (17) is arranged below the dial (15).
3. The CT-guided puncture positioning device as claimed in claim 1, wherein a movable groove is longitudinally formed in the inner side wall of the mounting cylinder (2), a movable block is slidably connected to the inside of the movable groove, and the side wall of one side of the movable block is fixedly connected with the transverse plate (4).
4. The CT-guided puncture positioning device according to claim 1, wherein a limit switch A (20) and a limit switch B (24) are fixedly connected to one side of the side wall of the supporting plate (22) close to the sliding block (21), and the limit switch B (24) is arranged above the limit switch A (20).
5. A CT-guided puncture positioning device according to claim 1, characterized in that the side wall of the slider (21) remote from the support plate (22) is fixedly connected to the nut block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223685.4U CN209808484U (en) | 2019-02-22 | 2019-02-22 | CT-guided puncture positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223685.4U CN209808484U (en) | 2019-02-22 | 2019-02-22 | CT-guided puncture positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209808484U true CN209808484U (en) | 2019-12-20 |
Family
ID=68873412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920223685.4U Expired - Fee Related CN209808484U (en) | 2019-02-22 | 2019-02-22 | CT-guided puncture positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209808484U (en) |
-
2019
- 2019-02-22 CN CN201920223685.4U patent/CN209808484U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |