CN216603025U

CN216603025U - Puncture positioner under CT guide

Info

Publication number: CN216603025U
Application number: CN202123199337.4U
Authority: CN
Inventors: 管银鑫; 陈均; 盛兵
Original assignee: Nantong Sixth Peoples Hospital
Current assignee: Nantong Sixth Peoples Hospital
Priority date: 2021-12-18
Filing date: 2021-12-18
Publication date: 2022-05-27
Anticipated expiration: 2031-12-18

Abstract

The utility model discloses a puncture positioning device under the guidance of CT (computed tomography), which comprises a bottom plate, a gear and an infrared emitter, wherein a positioning plate is fixedly connected at the edge of the upper surface of the bottom plate, a limiting mechanism is arranged on one side of the upper surface of the bottom plate, the outer wall of a supporting arm at the side of a locking tooth is connected with a supporting rod through a bearing seat, the gear is fixedly arranged on the outer wall of the supporting rod, a limiting frame is fixedly connected to the outer wall of the upper end of a limiting sleeve, an angle adjusting rod is movably arranged at the upper end of the limiting frame, a sliding frame is fixedly connected to the side of the upper end of a puncture positioning tube, and the outer wall of the lower end of the puncture positioning tube is in threaded connection with a connecting sleeve. This puncture positioner under CT guide is convenient for let device and patient four limbs stably be connected, avoids the device to move when the operation and influences positioning efficiency, and puncture positioner's flexibility is strengthened simultaneously, has increased the location scope of device, has promoted the comprehensive nature of device location.

Description

Puncture positioner under CT guide

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a puncture positioning device under the guidance of CT.

Background

CT refers to electronic computed tomography, and is commonly used for examination of various diseases, and the working mode thereof is to scan a certain part of a human body by matching with a high-sensitivity detector such as an X-ray beam, a gamma ray, an ultrasonic wave and the like, and a part of patients need to be punctured by an operation for treatment, and the puncturing accuracy can be improved by the aid of a CT guiding and positioning device.

However, the existing puncture positioning device under CT guidance has the following problems:

because patient's four limbs puncture when fixing a position, if relative displacement needs relocating take place for four limbs and device, so need strengthen the stability that device and patient's four limbs are connected, and puncture positioner is inconvenient under current CT guide and lets device and patient's four limbs stable connection, easily lead to the device to remove when the operation, influence location efficiency, simultaneously because patient's four limbs can carry out the position of puncture more, so need the location flexibility of hoisting device in order to increase positioning range, and puncture positioner's flexibility is not enough under current CT guide, it is little to lead to device positioning range, the comprehensiveness of device location has been reduced.

Aiming at the problems, innovative design is urgently needed on the basis of the puncture positioning device under the guidance of the original CT.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a CT-guided puncture positioning device, which solves the problems that the CT-guided puncture positioning device in the prior art is inconvenient to stably connect the device with four limbs of a patient, the device is easy to move during operation, the positioning efficiency is influenced, and meanwhile, the CT-guided puncture positioning device is insufficient in flexibility, so that the positioning range of the device is small, and the positioning comprehensiveness of the device is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: a puncture positioning device under CT guidance comprises a bottom plate, a gear and an infrared emitter, wherein a positioning plate is fixedly connected at the edge of the upper surface of the bottom plate, a limiting mechanism is installed at one side of the upper surface of the bottom plate, a supporting arm is fixedly connected to the other side of the upper surface of the bottom plate, a square lifting rod is arranged at the upper end of the supporting arm in a penetrating mode, a locking tooth is fixedly arranged at the lower end of the square lifting rod, the outer wall of the supporting arm at the side of the locking tooth is connected with a supporting rod through a bearing seat, the outer wall of the supporting rod is fixedly provided with the gear, the end face of the supporting rod is fixedly connected with a limiting square rod, a limiting sleeve is sleeved on the outer wall of the end part of the limiting square rod, a pushing plate is installed on an end bearing of the limiting sleeve, a limiting frame is fixedly connected to the outer wall of the upper end of the limiting frame, an angle adjusting rod is movably installed at the upper end of the limiting frame, and a base is movably arranged at the end part of the angle adjusting rod, and the tip swing joint of base has the sliding sleeve, and the terminal surface activity that the catch bar was kept away from to spacing sleeve pipe simultaneously is provided with the puncture registration arm, the upper end avris fixedly connected with balladeur train of puncture registration arm, and the lower extreme outer wall threaded connection of puncture registration arm has connecting sleeve to infrared emitter is installed to connecting sleeve's lower extreme.

Preferably, locating plate and stop gear all symmetry set up on the bottom plate, and stop gear includes locating rack, swing arm and stripper plate to locating rack fixed mounting has the swing arm in the upper surface avris of bottom plate, and the upper end threaded connection of locating rack has the swing arm moreover, and the tip of swing arm is rotatory simultaneously to be installed the stripper plate, stripper plate and bottom plate sliding connection.

Preferably, the lifting square rod and the support arm form a sliding structure, the locking teeth below the lifting square rod are connected with the support arm through a spring, and the locking teeth and the gear are clamped.

Preferably, the limiting square rod and the limiting sleeve are arranged in a sliding mode, and the limiting sleeve and the puncture positioning tube are arranged in a rotating mode.

Preferably, the lower extreme avris of catch bar is rotatory to be installed and is adjusted the pole, and adjusts pole and support arm threaded connection.

Preferably, the two ends of the base are respectively rotatably arranged with the angle adjusting rod and the sliding sleeve, the angle adjusting rod is in threaded connection with the limiting frame, and the sliding sleeve and the sliding frame are arranged in a sliding mode.

Compared with the prior art, the utility model has the beneficial effects that: the puncture positioning device under the guidance of the CT is convenient for stably connecting the device with four limbs of a patient, the positioning efficiency is prevented from being influenced by the movement of the device during operation, meanwhile, the flexibility of the puncture positioning device is enhanced, the positioning range of the device is increased, and the positioning comprehensiveness of the device is improved;

1. through the rotation of the rotary rod, the extrusion plate moves towards the positioning plate to limit the limbs of the patient between the positioning plate and the extrusion plate, so that the device is stably connected with the limbs of the patient, and the positioning efficiency is prevented from being influenced by the movement of the device during operation;

2. through the rotation of angle modulation pole for the base drives the sliding sleeve and removes along the balladeur train, adjusts the angle of puncture registration arm, and through the rotation of adjusting the pole again, makes puncture registration arm horizontal displacement, breaks away from through locking tooth and gear after that, makes puncture registration arm can rotate, thereby has strengthened positioner's flexibility and has strengthened, has promoted the location range of device.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connecting structure of the bottom plate and the limiting mechanism of the present invention;

FIG. 4 is a schematic view of the connection structure of the support arm and the lifting square bar of the present invention.

In the figure: 1. a base plate; 2. positioning a plate; 3. a limiting mechanism; 301. a positioning frame; 302. rotating the rod; 303. a pressing plate; 4. a support arm; 5. lifting the square rod; 6. a locking tooth; 7. a support bar; 8. a gear; 9. a limiting square rod; 10. a limiting sleeve; 11. a push plate; 12. adjusting a rod; 13. a limiting frame; 14. an angle adjusting rod; 15. a base; 16. a sliding sleeve; 17. puncturing a positioning tube; 18. a carriage; 19. connecting a sleeve; 20. an infrared emitter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a CT-guided lower puncture positioning device comprises a bottom plate 1, a positioning plate 2, a limiting mechanism 3, a positioning frame 301, a rotary rod 302, an extrusion plate 303, a supporting arm 4, a lifting square rod 5, a locking tooth 6, a supporting rod 7, a gear 8, a limiting square rod 9, a limiting sleeve 10, a pushing plate 11, an adjusting rod 12, a limiting frame 13, an angle adjusting rod 14, a base 15, a sliding sleeve 16, a puncture positioning tube 17, a sliding frame 18, a connecting sleeve 19 and an infrared emitter 20, wherein the positioning plate 2 is fixedly connected at the edge of the upper surface of the bottom plate 1, the limiting mechanism 3 is installed on one side of the upper surface of the bottom plate 1, the supporting arm 4 is fixedly connected to the other side of the upper surface of the bottom plate 1, the lifting square rod 5 penetrates through the upper end of the supporting arm 4, the locking tooth 6 is fixedly arranged at the lower end of the lifting square rod 5, the supporting arm 4 at the side of the locking tooth 6 is connected with the supporting rod 7 through a bearing seat, and the outer wall fixed mounting of bracing piece 7 has gear 8, and the terminal surface fixedly connected with spacing square pole 9 of bracing piece 7, and the tip outer wall cover of spacing square pole 9 is equipped with spacing sleeve pipe 10, push plate 11 is installed to spacing sleeve pipe 10's tip bearing simultaneously, spacing sleeve pipe 10's upper end outer wall fixedly connected with spacing 13, and spacing 13's upper end movable mounting has angle modulation pole 14, and angle modulation pole 14's tip activity is provided with base 15, and base 15's tip swing joint has sliding sleeve 16, spacing sleeve pipe 10 keeps away from push plate 11's terminal surface activity simultaneously and is provided with puncture registration arm 17, the upper end avris fixedly connected with balladeur train 18 of puncture registration arm 17, and puncture registration arm 17's lower extreme outer wall threaded connection has connecting sleeve 19, and infrared emitter 20 is installed to connecting sleeve 19's lower extreme.

Locating plate 2 and stop gear 3 all the symmetry sets up on bottom plate 1, and stop gear 3 includes locating rack 301, swing arm 302 and stripper plate 303, and locating rack 301 fixed mounting is in the upper surface avris of bottom plate 1, and the upper end threaded connection of locating rack 301 has swing arm 302, stripper plate 303 is installed in the tip rotation of swing arm 302 simultaneously,

stripper plate

303 and 1 sliding connection of bottom plate, it removes towards locating plate 2 to be convenient for rotatory swing arm 302 drives stripper plate 303 laminating bottom plate 1, patient four limbs between locating plate 2 and the stripper plate 303 carry on spacingly, make the four limbs at patient puncture point both ends can stabilize spacingly, thereby let device and patient stable connection use.

Carry and carry square bar 5 and support arm 4 and constitute sliding construction, and carry locking tooth 6 that carries under the square bar 5 to be connected through spring and support arm 4, and locking tooth 6 and the setting of 8 blocks of gear, square bar 5 is carried in the pulling of being convenient for, make locking tooth 6 and gear 8 break away from, compression spring simultaneously, let bracing piece 7 can rotate, thereby let puncture positioning tube 17 rotation regulation, increase the use flexibility of device, adjust the completion back, loosen and carry square bar 5, spring reset makes locking tooth 6 reset, let locking

tooth

6 and 8 blocks of gear, it is spacing to puncture positioning tube 17.

Spacing square bar 9 and the setting of sliding of spacing sleeve pipe 10, and spacing sleeve pipe 10 and puncture registration arm 17 are rotatory setting, and when spacing sleeve pipe 10 of being convenient for removed along spacing square bar 9, can drive bracing piece 7 through spacing square bar 9 throughout rotatory to and make things convenient for puncture registration arm 17 to carry out angle modulation around spacing sleeve pipe 10 is rotatory.

The adjusting rod 12 is rotatably installed on the side of the lower end of the pushing plate 11, the adjusting rod 12 is in threaded connection with the supporting arm 4, the adjusting rod 12 is convenient to rotate, the pushing plate 11 drives the limiting sleeve 10 to move along the limiting square rod 9, and the horizontal position of the puncture positioning tube 17 is adjusted.

The two ends of the base 15 are respectively rotatably arranged with the angle adjusting rod 14 and the sliding sleeve 16, the angle adjusting rod 14 is in threaded connection with the limiting frame 13, and the sliding sleeve 16 and the sliding frame 18 are slidably arranged, so that the angle adjusting rod 14 can be conveniently rotated, the base 15 drives the sliding sleeve 16 to horizontally move, and meanwhile, the sliding sleeve 16 moves along the sliding frame 18, and the puncture positioning pipe 17 is pushed to rotate around the limiting sleeve 10.

The working principle is as follows: when the puncture positioning device under the guidance of the CT is used, firstly, as shown in figure 3, four limbs of a patient are moved between the positioning plate 2 and the extrusion plate 303, then the four limbs are adjusted to enable puncture points on the four limbs to move between the limiting mechanisms 3, as shown in figure 1 and figure 3, the extrusion plate 303 is driven by rotating the rotary rod 302 to be attached to the bottom plate 1 to move towards the positioning plate 2, the four limbs of the patient between the positioning plate 2 and the extrusion plate 303 are limited, so that the four limbs at two ends of the puncture points of the patient can be stably limited, the device and the patient can be stably connected for use, and the device is prevented from moving to influence the positioning efficiency during operation;

as shown in fig. 1, after the four limbs of the patient are adjusted, the puncture point is determined according to the guidance of the CT image, then the infrared emitter 20 is started to irradiate the infrared ray generated by the infrared emitter 20 on the skin of the patient, so as to align the puncture point, then the puncture positioning tube 17 is adjusted according to the position of the puncture point, the adjusting rod 12 is rotated, the pushing plate 11 drives the limiting sleeve 10 to move along the limiting square rod 9, so as to adjust the horizontal position of the puncture positioning tube 17, as shown in fig. 1-2, the angle adjusting rod 14 is rotated, so that the base 15 drives the sliding sleeve 16 to move horizontally while the sliding sleeve 16 moves along the sliding frame 18, so as to push the puncture positioning tube 17 to rotate around the limiting sleeve 10, so as to adjust the angle of the puncture positioning tube 17, as shown in fig. 1 and 4, then the lifting square rod 5 is pulled, so that the locking teeth 6 and the gear 8 are separated from each other while the spring is compressed, at this time, the puncture positioning tube 17 drives the supporting rod 7 to rotate through the limiting sleeve 10 and the limiting square rod 9, let puncture registration arm 17 can rotate, adjust the completion back, loosen and carry and draw square bar 5, spring return makes locking tooth 6 reset, let locking tooth 6 and gear 8 block, it is spacing to puncture registration arm 17, as shown in fig. 1, thereby make puncture registration arm 17 conveniently drive infrared emitter 20 and carry out abundant displacement, seek different puncture point position, after puncture registration arm 17 location is accomplished, rotatory infrared emitter 20 drives connecting sleeve 19 and puncture registration arm 17 and breaks away from, then medical personnel insert the puncture needle into puncture registration arm 17, make things convenient for stable and accurate the operation of puncturing of carrying out of medical personnel.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a puncture positioner under CT guide, includes bottom plate (1), gear (8) and infrared emitter (20), its characterized in that: the edge of the upper surface of the bottom plate (1) is fixedly connected with a positioning plate (2), one side of the upper surface of the bottom plate (1) is provided with a limiting mechanism (3), the other side of the upper surface of the bottom plate (1) is fixedly connected with a supporting arm (4), the upper end of the supporting arm (4) is provided with a lifting square rod (5) in a penetrating manner, the lower end of the lifting square rod (5) is fixedly provided with a locking tooth (6), the outer wall of the supporting arm (4) at the side of the locking tooth (6) is connected with a supporting rod (7) through a bearing seat, the outer wall of the supporting rod (7) is fixedly provided with a gear (8), the end surface of the supporting rod (7) is fixedly connected with a limiting square rod (9), the outer wall of the end part of the limiting square rod (9) is sleeved with a limiting sleeve (10), the end bearing of the limiting sleeve (10) is provided with a pushing plate (11), the outer wall of the upper end part of the limiting sleeve (10) is fixedly connected with a limiting frame (13), and the upper end movable mounting of spacing frame (13) has angle modulation pole (14) to the tip activity of angle modulation pole (14) is provided with base (15), and the tip swing joint of base (15) has sliding sleeve (16) moreover, and the terminal surface activity that push plate (11) were kept away from in spacing sleeve pipe (10) is provided with puncture registration arm (17) simultaneously, the upper end avris fixedly connected with carriage (18) of puncture registration arm (17), and the lower extreme outer wall threaded connection of puncture registration arm (17) has connecting sleeve pipe (19), and infrared emitter (20) are installed to the lower extreme of connecting sleeve pipe (19).

2. The CT-guided puncture positioning device of claim 1, wherein: locating plate (2) and stop gear (3) all symmetry setting on bottom plate (1), and stop gear (3) include locating rack (301), swing arm (302) and stripper plate (303) to locating rack (301) fixed mounting is in the upper surface avris of bottom plate (1), and the upper end threaded connection of locating rack (301) has swing arm (302) moreover, and stripper plate (303) are installed in the tip rotation of swing arm (302) simultaneously, stripper plate (303) and bottom plate (1) sliding connection.

3. The CT-guided puncture positioning device of claim 1, wherein: the lifting square rod (5) and the supporting arm (4) form a sliding structure, the locking tooth (6) below the lifting square rod (5) is connected with the supporting arm (4) through a spring, and the locking tooth (6) and the gear (8) are clamped.

4. The CT-guided puncture positioning device of claim 1, wherein: the limiting square rod (9) and the limiting sleeve (10) are arranged in a sliding mode, and the limiting sleeve (10) and the puncture positioning tube (17) are arranged in a rotating mode.

5. The CT-guided puncture positioning device of claim 1, wherein: the lower end edge side of the pushing plate (11) is rotatably provided with an adjusting rod (12), and the adjusting rod (12) is in threaded connection with the supporting arm (4).

6. The CT-guided puncture positioning device of claim 1, wherein: the two ends of the base (15) are respectively rotatably arranged with the angle adjusting rod (14) and the sliding sleeve (16), the angle adjusting rod (14) is in threaded connection with the limiting frame (13), and the sliding sleeve (16) and the sliding frame (18) are arranged in a sliding mode.