CN219166569U - CT puncture positioning device - Google Patents

Abstract

The utility model discloses a CT puncture positioning device, which relates to the technical field of puncture and comprises a positioning plate, wherein a first chute is formed in the positioning plate, a first sliding block is connected in the first chute in a sliding manner, one side of the first sliding block is rotationally connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a positioning cylinder, the outer side of the rotating shaft is fixedly provided with a worm wheel, one side of the first sliding block is fixedly provided with a supporting plate, one side of the supporting plate is rotationally connected with a worm, the worm wheel is meshed with the worm, and one end of the worm is fixedly connected with a second torsion ring, and the CT puncture positioning device has the beneficial effects that: through twisting the second torsion ring control worm and rotate, utilize worm and worm wheel's meshing to be connected under the effect for the pivot rotates, drives the positioning tube and rotates, thereby adjusts the angle of positioning tube, and then can adjust the puncture angle of pjncture needle, can satisfy the not equidirectional free regulation when CT location puncture, the practicality is higher.

Description

CT puncture positioning device

Technical Field

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

Background

Puncture is a common operation term in medicine, and is a diagnosis and treatment technology for taking secretion from a body cavity by a puncture needle for testing, injecting gas or contrast medium into the body cavity for contrast examination, or injecting medicine into the body cavity, and the purpose of puncture is blood taking testing, blood transfusion, infusion, catheter for angiography and the like.

The application number (202021716524.8) discloses an image CT puncture positioning device, including support piece and pjncture needle, one side fixedly connected with first slide rail of support piece inner wall, and the surface sliding connection of first slide rail has first slider, the back fixedly connected with riser of first slider, and fixedly connected with elastic component between the bottom of first slider and the bottom of support piece inner wall, the top of riser runs through support piece and extends to the top of support piece, and the riser extends to one side fixedly connected with at support piece top and presses the case, press the top fixedly connected with second slide rail of case inner wall, and press one side of case inner wall to rotate through the bearing and be connected with the threaded rod, the surface threaded connection of threaded rod has the second slider. The positioning puncture device can quickly and conveniently perform positioning puncture in the image CT, is simple and convenient to operate, reduces the burden of medical staff in the puncture process, accurately positions puncture, more accurately ensures the result of the image CT, and has strong practicability.

This patent improves the back to CT puncture positioner, through pushing down pressing the case, drives first slider downstream and extrudees the elastic component, drives pjncture needle downstream simultaneously, accomplishes accurate puncture, but the puncture direction in this structure is comparatively fixed, can only puncture from vertical direction, and the performance is comparatively single, inconvenient angular adjustment that carries out influences puncture quality.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a CT puncture positioning device, which solves the problem that the angle adjustment is inconvenient in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a CT puncture positioner, includes the locating plate, first spout has been seted up to the inside of locating plate, the inside sliding connection of first spout has first slider, one side of first slider rotates and is connected with the pivot, the one end fixedly connected with location section of thick bamboo of pivot, the outside fixed mounting of pivot has the worm wheel, one side fixed mounting of first slider has the backup pad, one side rotation of backup pad is connected with the worm, the worm wheel is connected with the worm meshing, the one end fixedly connected with second torsion ring of worm.

Through using above-mentioned technical scheme, through twisting the second twist ring control worm and rotate, utilize under the meshing connection effect of worm and worm wheel for the pivot rotates, drives the positioning tube and rotates, thereby adjusts the angle of positioning tube, and then can adjust the puncture angle of pjncture needle, can satisfy the not equidirectional free regulation when CT location puncture, the practicality is higher.

Preferably, the top of locating plate fixed mounting has the arc, one side of arc is provided with the scale mark, the upper end fixedly connected with pointer of a location section of thick bamboo.

Through using above-mentioned technical scheme, know the inclination of positioning tube through the corresponding scale mark of observation pointer, improved puncture precision.

Preferably, the inside rotation of locating plate is connected with first lead screw, first lead screw runs through first slider and with first slider threaded connection, the one end fixedly connected with first torsion ring of first lead screw.

Through using above-mentioned technical scheme, accessible first twist ring control first lead screw rotates for first slider slides in first spout inside, thereby the position of control positioning tube, and then adjusts the puncture position of pjncture needle.

Preferably, the locating plate both ends all are provided with stop gear, stop gear includes the movable plate, one side fixed mounting of movable plate has the baffle, the bottom threaded connection of movable plate has set screw, set screw's upper end is provided with the gasket.

Through using above-mentioned technical scheme, accessible first twist ring control first lead screw rotates for first slider slides in first spout inside, thereby the position of control positioning tube, and then adjusts the puncture position of pjncture needle.

Preferably, the gasket is made of rubber materials, and the movable plate is C-shaped.

Through using above-mentioned technical scheme, through the gasket that sets up, can protect the bed board, prevent that holding force of holding screw is too big from causing the damage.

Preferably, the bottom fixed mounting of movable plate has the second slider, the second spout has been seted up to the inside of locating plate, second slider and second spout sliding connection, the inside rotation of locating plate is connected with the second lead screw, the second lead screw runs through the second slider and with second slider threaded connection, the one end fixedly connected with of second lead screw shakes the handle.

Through using above-mentioned technical scheme, accessible shakes handle control second lead screw and rotates, drives the second slider and slides in the inside of second spout for the movable plate removes, thereby can carry out the centre gripping to the sick bed of different width fixedly, has improved the suitability of equipment.

The utility model provides a CT puncture positioning device, which has the following beneficial effects:

1. this CT puncture positioner rotates through twisting second twist ring control worm, utilizes under the meshing connection effect of worm and worm wheel for the pivot rotates, drives the positioning tube and rotates, thereby adjusts the angle of positioning tube, and then can adjust the puncture angle of pjncture needle, can satisfy the not equidirectional free regulation when CT location puncture, and the practicality is higher.

2. This CT puncture positioner through placing the device on the sick bed for two baffles contact with sick bed both sides, and then carry out the centre gripping fixedly to the bed board through rotating holding screw, and the accessible shakes handle control second lead screw and rotates, drives the second slider and slides in the inside of second spout, makes the movable plate remove, thereby can carry out the centre gripping to the sick bed of different width fixedly, has improved the suitability of equipment.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a partial cross-sectional view of the present utility model;

fig. 3 is an enlarged view of the utility model at a in fig. 1.

In the figure: 1. a positioning plate; 2. a first chute; 3. a first screw rod; 4. an arc-shaped plate; 5. scale marks; 6. a pointer; 7. a first torsion ring; 8. shaking the handle; 9. a moving plate; 10. a second slider; 11. a second screw rod; 12. a second chute; 13. a positioning cylinder; 14. a first slider; 15. a rotating shaft; 16. a worm wheel; 17. a worm; 18. a second torsion ring; 19. a support plate; 20. a set screw; 21. a gasket; 22. and a baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Embodiment one:

referring to fig. 1 to 3, a CT puncture positioning device includes a positioning plate 1, a first chute 2 is provided in the positioning plate 1, a first slide block 14 is slidingly connected in the first chute 2, one side of the first slide block 14 is rotationally connected with a rotating shaft 15, one end of the rotating shaft 15 is fixedly connected with a positioning cylinder 13, a worm wheel 16 is fixedly mounted on the outer side of the rotating shaft 15, a supporting plate 19 is fixedly mounted on one side of the first slide block 14, one side of the supporting plate 19 is rotationally connected with a worm 17, the worm wheel 16 is meshed with the worm 17, self-locking performance is provided between the worm wheel 16 and the worm 17, namely, the positioning cylinder 13 rotates to any angle to be locked, one end of the worm 17 is fixedly connected with a second torsion ring 18, the worm 17 is controlled to rotate by twisting the second torsion ring 18, the rotating shaft 15 is rotated by utilizing the meshing connection effect of the worm 17 and the worm wheel 16, so that the rotating shaft 15 drives the positioning cylinder 13 to rotate, thereby adjusting the angle of the positioning cylinder 13, further adjusting the puncture angle of the puncture needle, meeting the free adjustment in different directions during CT puncture, the practicality is higher, the top of the positioning plate 1 is fixedly mounted with a worm 17, the pointer 5 is provided with a scale mark 5, and the scale mark 5 is connected with the scale mark 6.

Embodiment two:

referring to fig. 1 to 3, a first screw rod 3 is rotatably connected to the inside of the positioning plate 1, the first screw rod 3 penetrates through a first slide block 14 and is in threaded connection with the first slide block 14, one end of the first screw rod 3 is fixedly connected with a first torsion ring 7, the first screw rod 3 is controlled to rotate through the first torsion ring 7, the first slide block 14 slides in a first sliding groove 2, the position of a positioning cylinder 13 is controlled, the puncture position of a puncture needle is adjusted, limiting mechanisms are arranged at two ends of the positioning plate 1, each limiting mechanism comprises a moving plate 9, a baffle 22 is fixedly arranged at one side of the moving plate 9, a set screw 20 is in threaded connection with the bottom of the moving plate 9, a gasket 21 is arranged at the upper end of the set screw 20, the gasket 21 is made of rubber materials, the bed plate can be protected, damage caused by overlarge clamping force of the set screw 20 is prevented, the moving plate 9 is C-shaped, the two baffles 22 are contacted with two sides of a sickbed through placing the device on the sickbed, and then the bed plate is clamped and fixed through rotating the set screw 20, and displacement of the device in the puncture process is prevented.

Embodiment III:

referring to fig. 1 to 3, a second sliding block 10 is fixedly installed at the bottom of a moving plate 9, a second sliding groove 12 is formed in the positioning plate 1, the second sliding block 10 is slidably connected with the second sliding groove 12, a second screw rod 11 is rotatably connected to the inside of the positioning plate 1, the second screw rod 11 penetrates through the second sliding block 10 and is in threaded connection with the second sliding block 10, one end of the second screw rod 11 is fixedly connected with a shaking handle 8, the second screw rod 11 can be controlled to rotate through the shaking handle 8, the second sliding block 10 is driven to slide in the second sliding groove 12, the moving plate 9 can move, sickbeds with different widths can be clamped and fixed, and the applicability of equipment is improved.

To sum up, when the CT puncture positioning device is used, a patient is firstly laid on a sickbed and is placed on the sickbed, so that two baffles 22 are contacted with two sides of the sickbed, then the clamping and fixing are carried out on the bedroom by rotating a set screw 20, the second screw rod 11 is controlled to rotate by swinging a handle 8, the second sliding block 10 is driven to slide in the second sliding groove 12, the moving plate 9 is enabled to move, so that sickbeds with different widths can be clamped and fixed, then the worm 17 can be controlled to rotate by twisting a second torsion ring 18, the rotating shaft 15 is enabled to rotate under the meshing connection effect of the worm 17 and a worm wheel 16, the positioning cylinder 13 is driven to rotate, the angle of the positioning cylinder 13 can be adjusted, puncture positioning is carried out, the inclination angle of the positioning cylinder 13 is released by observing a scale mark 5 corresponding to a pointer 6, and puncture can be completed by penetrating the puncture needle through the positioning cylinder 13.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a CT puncture positioner, includes locating plate (1), its characterized in that: the inside of locating plate (1) has seted up first spout (2), the inside sliding connection of first spout (2) has first slider (14), one side of first slider (14) rotates and is connected with pivot (15), one end fixedly connected with positioning tube (13) of pivot (15), the outside fixed mounting of pivot (15) has worm wheel (16), one side fixed mounting of first slider (14) has backup pad (19), one side rotation of backup pad (19) is connected with worm (17), worm wheel (16) are connected with worm (17) meshing, one end fixedly connected with second twist ring (18) of worm (17).

2. A CT puncture positioning device as recited in claim 1, further comprising: the top fixed mounting of locating plate (1) has arc (4), one side of arc (4) is provided with scale mark (5), the upper end fixedly connected with pointer (6) of positioning tube (13).

3. A CT puncture positioning device as recited in claim 1, further comprising: the inside rotation of locating plate (1) is connected with first lead screw (3), first lead screw (3) run through first slider (14) and with first slider (14) threaded connection, the one end fixedly connected with first twist ring (7) of first lead screw (3).

4. A CT puncture positioning device as recited in claim 1, further comprising: the positioning device is characterized in that limiting mechanisms are arranged at two ends of the positioning plate (1), each limiting mechanism comprises a moving plate (9), a baffle plate (22) is fixedly arranged on one side of each moving plate (9), a set screw (20) is connected to the bottom of each moving plate (9) in a threaded mode, and a gasket (21) is arranged at the upper end of each set screw (20).

5. The CT puncture positioning device as recited in claim 4, further comprising: the gasket (21) is made of rubber materials, and the movable plate (9) is C-shaped.

6. The CT puncture positioning device as recited in claim 4, further comprising: the bottom fixed mounting of movable plate (9) has second slider (10), second spout (12) have been seted up to the inside of locating plate (1), second slider (10) and second spout (12) sliding connection, the inside rotation of locating plate (1) is connected with second lead screw (11), second lead screw (11) run through second slider (10) and with second slider (10) threaded connection, the one end fixedly connected with of second lead screw (11) shakes handle (8).

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