CN215306523U - Puncture body table positioner under CT guide - Google Patents

Abstract

A puncture body surface positioning device under the guidance of CT comprises a base, a conduit and a puncture positioning frame; the base is a rectangular frame, the two opposite sides of the rectangular frame are provided with evenly distributed conduit seats, the conduit seats are cylindrical, the upper sides of the conduit seats are provided with grooves, and the conduits are arranged on the conduit seats through the grooves; the puncture positioning frame is arranged between the two catheters and can slide on the catheters; the puncture positioning frame comprises a sliding block, a rotary disc, a dial, a rotating shaft and a puncture needle fixing seat; the novel puncture needle is characterized in that semicircular holes are formed in the left side and the right side of the sliding block, the two semicircular holes are clamped on the catheter, a rotary disc is arranged on the sliding block, a dial is arranged on one side of the rotary disc and rotates through the rotary disc, a rotating shaft is arranged at the circle center of the dial, a puncture needle fixing seat is arranged on the rotating shaft, and the puncture needle fixing seat can rotate on the plane of the dial through the rotating shaft. The device simple structure, the artifact disturbs for a short time, finds the point of puncture easily, and angle regulation is convenient.

Description

Puncture body table positioner under CT guide

Technical Field

The utility model relates to the technical field of CT puncture auxiliary instruments, in particular to a puncture body surface positioning device under the guidance of CT.

Background

The CT guided puncture technique has been widely applied in clinic, including techniques of needle biopsy and needle ablation, and the most difficult point is to determine the puncture needle insertion point and puncture angle and control the stability of the puncture needle. The puncture needle inlet point and the puncture angle are crucial to the puncture accuracy, the stability of the puncture needle is crucial to the confirmation of the position after puncture and the displacement of the puncture needle in the subsequent treatment process, an operator needs to fix the puncture needle by holding the puncture needle with hands in many times, the position is inconvenient to be confirmed by CT guidance, and the operator can receive unnecessary radioactive ray dosage. The existing CT device for guiding the lower puncture body surface to the lower puncture body surface has a complex structure and large artifact interference, so that the puncture point is not clear, the puncture can not be accurately performed, and the angle is inconvenient to adjust.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model designs the CT-guided puncture body surface positioning device which is simple in structure, small in artifact interference, easy to find a puncture point and convenient to adjust the angle.

In order to achieve the technical purpose and achieve the technical effects, the utility model is realized by the following technical scheme:

a puncture body surface positioning device under the guidance of CT comprises a base, a conduit and a puncture positioning frame; the base is a rectangular frame, the two opposite sides of the rectangular frame are provided with evenly distributed conduit seats, the conduit seats are cylindrical, the upper sides of the conduit seats are provided with grooves, and the conduits are arranged on the conduit seats through the grooves; the puncture positioning frame is arranged between the two catheters and can slide on the catheters;

the puncture positioning frame comprises a sliding block, a rotary disc, a dial, a rotating shaft and a puncture needle fixing seat; the novel puncture needle is characterized in that semicircular holes are formed in the left side and the right side of the sliding block, the two semicircular holes are clamped on the catheter, a rotary disc is arranged on the sliding block, a dial is arranged on one side of the rotary disc and rotates through the rotary disc, a rotating shaft is arranged at the circle center of the dial, a puncture needle fixing seat is arranged on the rotating shaft, and the puncture needle fixing seat can rotate on the plane of the dial through the rotating shaft.

Furthermore, the catheter adopts an intravascular catheter, so that the CT-based intravascular catheter is free of artifact interference under CT, simple and practical, and low in manufacturing cost.

Further, the puncture positioning frame can be installed between any two catheters according to the detected condition of the patient and then slid to the required position.

The utility model has the beneficial effects that: the device is through adopting the endovascular pipe preparation grid, and endovascular pipe does not have the artifact under CT and disturbs, and the formation of image is clear, can accurately find the point of puncture, and preparation and simple moreover, with low costs, simple to operate, puncture locating rack can slide on the pipe, can slide to the best point of puncture, can realize the rotation in each position moreover, can read rotation angle, use and convenience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of an axial structure of a CT guided lancing site positioning device;

FIG. 2 is a schematic front view of the base;

fig. 3 is a front view of the puncture positioning frame.

In the drawings, the components represented by the respective reference numerals are listed below:

1-base, 101-catheter seat, 2-catheter, 3-puncture positioning frame, 301-sliding block, 302-rotating disc, 303-dial disc, 304-rotating shaft and 305-puncture needle fixing seat.

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. 1-3, a CT-guided puncture body surface positioning device comprises a base 1, a catheter 2 and a puncture positioning frame 3; the base 1 is a rectangular frame, the two opposite sides of the rectangular frame are provided with evenly distributed conduit seats 101, the conduit seats 101 are cylindrical, the upper sides of the conduit seats are provided with grooves, and the conduits 2 are arranged on the conduit seats 101 through the grooves; the puncture positioning frame 3 is arranged between the two guide pipes 2 and can slide back and forth on the guide pipes 2;

the puncture positioning frame 3 comprises a slide block 301, a turntable 302, a dial 303, a rotating shaft 304 and a puncture needle fixing seat 305; the catheter is characterized in that semicircular holes are formed in the left side and the right side of the sliding block 301, the two semicircular holes are clamped on the catheter 2, a rotary disc 302 is arranged on the sliding block 301, a dial 303 is arranged on one side of the rotary disc 302, the dial 303 rotates through the rotary disc 302, a rotary shaft 304 is arranged at the circle center position of the dial 303, a puncture needle fixing seat 305 is arranged on the rotary shaft 304, and the puncture needle fixing seat 305 can rotate on the plane of the dial 303 through the rotary shaft 304.

The catheter 2 adopts an intravascular catheter, so that the CT-based intravascular catheter is free of artifact interference under CT, simple and practical, and low in manufacturing cost.

The puncture positioning frame 3 can be installed between any two catheters 2 according to the detected condition of the patient and then slid to the required position.

In specific implementation, the catheter 2 is arranged on the catheter seat 101 of the puncture positioning frame 1 to form a vertical grid, then the grid corresponding to a pathological change tissue is found through CT imaging, the puncture positioning frame 3 is arranged in the grid corresponding to the pathological change tissue, the puncture positioning frame 3 slides to the optimal puncture position, the puncture needle is inserted into the puncture needle fixing seat 305, the puncture needle fixing seat 305 and the rotary table 302 are rotated to the needed puncture angle through CT imaging observation and calculation, and then accurate puncture can be realized; the device is simple in puncture, high in puncture success rate, convenient to use and very suitable for popularization.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The utility model is limited only by the claims and their full scope and equivalents.

Claims (3)

1. A puncture body surface positioning device under the guidance of CT is characterized by comprising a base, a conduit and a puncture positioning frame; the base is a rectangular frame, the two opposite sides of the rectangular frame are provided with evenly distributed conduit seats, the conduit seats are cylindrical, the upper sides of the conduit seats are provided with grooves, and the conduits are arranged on the conduit seats through the grooves; the puncture positioning frame is arranged between the two catheters and can slide on the catheters;

the puncture positioning frame comprises a sliding block, a rotary disc, a dial, a rotating shaft and a puncture needle fixing seat; the novel puncture needle is characterized in that semicircular holes are formed in the left side and the right side of the sliding block, the two semicircular holes are clamped on the catheter, a rotary disc is arranged on the sliding block, a dial is arranged on one side of the rotary disc and rotates through the rotary disc, a rotating shaft is arranged at the circle center of the dial, a puncture needle fixing seat is arranged on the rotating shaft, and the puncture needle fixing seat can rotate on the plane of the dial through the rotating shaft.

2. The CT-guided puncture body surface positioning device of claim 1, wherein the catheter is an intravascular catheter.

3. The CT-guided lancing body surface positioning device of claim 1, wherein the lancing positioning frame can be installed between any two catheters.

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