CN215688306U

CN215688306U - CT puncture guiding positioning instrument

Info

Publication number: CN215688306U
Application number: CN202121855074.5U
Authority: CN
Inventors: 贺君; 刘娟; 王康
Original assignee: First Peoples Hospital of Neijiang
Current assignee: First Peoples Hospital of Neijiang
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-02-01
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses a CT puncture guiding locator, comprising: the scale guide plate is provided with scale marks, the inner sides of the scale marks are provided with arc-shaped sliding chutes, and sliding blocks are arranged in the sliding chutes; the slider is "worker" word shape, and the centre is the connecting rod, and both ends are first connecting block and second connecting block, the connecting rod is followed pass in the spout, second connecting block and splint fixed connection, simultaneously the second connecting block is equipped with the spring in one side towards scale guide dish, the spring coupling limiting plate, and the limiting plate supports on the scale guide dish. The sliding block can be automatically fixed at a certain position after moving to the certain position, and in addition, the sliding block is also provided with a clamping plate which can directly clamp the puncture needle in the positioning hole.

Description

CT puncture guiding positioning instrument

Technical Field

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

Background

CT aspiration is a technique for performing aspiration biopsy on a lesion under CT scanning positioning guidance. The development of the puncture technology not only improves the level of image diagnosis, but also provides important reference value for the selection of treatment schemes of clinicians. CT puncture is widely applied to a plurality of clinical departments at present, and the parts for puncture biopsy comprise a plurality of tissues and organs such as cranium, liver, gallbladder, pancreas, spleen, kidney, thyroid and the like; because the image of CT scanning not only can clearly display the shape and size of the focus, but also can display the position relation with the surrounding tissues, the possibility of accurately reaching the focus by a puncture needle is provided, and the accuracy rate of biopsy is high.

In carrying out the CT puncture in-process, can use CT puncture guide locater sometimes, CT puncture guide locater can improve the puncture accuracy nature, and current CT puncture guide locater comprises scale guide disc, location guiding groove and spirit level, is equipped with spout and slider on the scale guide disc, the slider slides on the spout behind specific angle, just can be used for the location pjncture needle, however the slider of current CT puncture guide locater and the connection structure of spout are too simple, and the slider can't be fixed at specific position after removing specific angle, needs the operator to fix with the hand, and is very inconvenient, and when carrying out the puncture operation, the operator need pass the locating hole on the slider with the pjncture needle, needs operator's cost energy to aim at.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a CT puncture guiding and positioning instrument to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a CT puncture guiding positioning apparatus comprising: the scale guide disc is in a semicircular shape, the outer surface of the scale guide disc is provided with scale marks, an arc-shaped sliding groove is arranged on the inner side of each scale mark, and a sliding block is arranged in each sliding groove;

the slider is "worker" word shape, and the centre is the connecting rod, and both ends are first connecting block and second connecting block, the connecting rod is followed pass in the spout, first connecting block and second connecting block are located scale guide dish both sides respectively, and the second connecting block is in same one side with the location guiding groove, second connecting block and splint fixed connection, simultaneously the second connecting block is equipped with the spring in one side towards scale guide dish, the spring coupling limiting plate, and the limiting plate supports on scale guide dish.

As a further scheme of the utility model: the positioning guide groove is superposed with the position of the circle center of the scale guide disc.

As a further scheme of the utility model: the chute is concentric with the scale guiding disc.

As a further scheme of the utility model: one side of the clamping plate is fixed with the second connecting block, the other side of the clamping plate can be opened and closed in a rotating mode, a positioning hole is formed in the middle of the clamping plate, and the positioning hole faces the positioning guide groove.

As a further scheme of the utility model: the spring and the limiting plate are sleeved on the connecting rod.

Compared with the prior art, the utility model has the beneficial effects that: the sliding block can be automatically fixed at a certain position after moving to the certain position on the sliding groove, so that an operator can conveniently position the sliding block.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of a connecting structure of the sliding block and the sliding groove.

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. 1-2, in an embodiment of the present invention, a CT puncture guiding locator includes: scale guide dish 1 and locating plate 2, scale guide dish 1 bottom with 2 fixed connection of locating plate, the intermediate position of locating plate 2 is equipped with location guiding groove 21, and both ends are equipped with spirit level 22 respectively, scale guide dish 1 is the semicircle shape, and the surface is equipped with scale mark 11, is in simultaneously the inboard of scale mark 11 is equipped with arc spout 12, installation slider 13 in spout 12, location guiding groove 21 with the position coincidence at 1 centre of a circle place of scale guide dish, spout 12 with scale guide dish 1 is concentric.

The slider 13 is in an i shape, the middle of the slider is provided with a connecting rod 131, the two ends of the slider are provided with a first connecting block 132 and a second connecting block 133, the connecting rod 131 penetrates through the sliding groove 12, the first connecting block 132 and the second connecting block 133 are respectively positioned on the two sides of the scale guide disc 1, the second connecting block 133 and the positioning guide groove 21 are positioned on the same side, the second connecting block 133 is fixedly connected with the clamping plate 14, one side of the clamping plate 4 is fixed with the second connecting block 133, the other side of the clamping plate can be opened and closed in a rotating mode, the positioning hole 41 is arranged in the middle of the clamping plate 4, and the positioning hole 41 faces the positioning guide groove 21, so that the puncture needle can be clamped in the positioning hole 41 through the clamping plate 4, and the puncture point and the puncture angle can be accurately determined by the puncture needle 41 penetrating through the positioning hole 41 and the positioning guide groove 21.

The second connecting block 133 is provided with a spring 134 on a side facing the scale guide plate 1, the spring 134 is connected with a limiting plate 135, and the limiting plate 135 abuts against the scale guide plate 1. The spring 134 and the limit plate 135 are sleeved on the connecting rod 131, when the slider 13 is moved, the second connecting block 133 can be moved to the scale guide disc 1 to enable the spring 134 to be in a compressed state, so that the slider 13 can be moved more smoothly, when the slider 13 is moved to a puncture position, the spring 134 can be loosened, and the spring 134 and the limit plate 135 can be tightly pressed on the scale guide disc 1 to enable the position of the slider 13 to be fixed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A CT puncture guiding positioning apparatus comprising: scale guide dish (1) and locating plate (2), its characterized in that: the bottom of the scale guide disc (1) is fixedly connected with the positioning plate (2), a positioning guide groove (21) is arranged in the middle of the positioning plate (2), level gauges (22) are arranged at two ends of the positioning plate respectively, the scale guide disc (1) is semicircular, scale marks (11) are arranged on the outer surface of the scale guide disc, an arc-shaped sliding groove (12) is arranged on the inner side of each scale mark (11), and a sliding block (13) is arranged in each sliding groove (12);

slider (13) are "worker" word shape, and the centre is connecting rod (131), and both ends are first connecting block (132) and second connecting block (133), connecting rod (131) are followed pass in spout (12), first connecting block (132) and second connecting block (133) are located scale guide dish (1) both sides respectively, and second connecting block (133) are in same one side with location guiding groove (21), second connecting block (133) and splint (14) fixed connection, simultaneously second connecting block (133) are equipped with spring (134) in one side towards scale guide dish (1), limiting plate (135) is connected in spring (134), and limiting plate (135) support on scale guide dish (1).

2. The CT puncture guiding positioning apparatus according to claim 1, wherein: the positioning guide groove (21) is overlapped with the position of the circle center of the scale guide disc (1).

3. The CT puncture guiding positioning apparatus according to claim 1, wherein: the sliding groove (12) is concentric with the scale guiding disc (1).

4. The CT puncture guiding positioning apparatus according to claim 1, wherein: one side of the clamping plate (14) is fixed with the second connecting block (133), the other side of the clamping plate can be opened and closed in a rotating mode, a positioning hole (141) is formed in the middle of the clamping plate (14), and the positioning hole (141) faces the positioning guide groove (21).

5. The CT puncture guiding positioning apparatus according to claim 1, wherein: the spring (134) and the limiting plate (135) are sleeved on the connecting rod (131).