CN210130901U

CN210130901U - Fixed guide bracket of CT guide lung puncture

Info

Publication number: CN210130901U
Application number: CN201920616147.1U
Authority: CN
Inventors: 王俊荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-03-10
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a CT guide lung puncture fixing guide bracket in the technical field of medical appliances, which comprises a compression ring, wherein the compression ring is a ring-shaped block, a ring-shaped chute is arranged at the top end of the compression ring, a sliding part is arranged in the ring-shaped chute, the top end of the sliding part is provided with an arc-shaped strip, the circle center of the arc-shaped strip is coincided with the circle center of the bottom surface of the compression ring, a pointing rod is vertically arranged at the upper part of the inner arc surface of the arc-shaped strip, the extension line of the pointing rod is coincided with the connecting line of the circle centers of the upper and lower surfaces of the compression ring, the needle inserting direction of lung puncture can be accurately adjusted through the arranged arc-shaped strip, the sliding part, the compression ring and other structures, the needle inserting angle can be accurately adjusted through the arranged angle adjusting block and the arc-shaped chute, the accuracy of needle inserting when a, can ensure the coincidence of the position of the needle feeding point and the appointed needle feeding point, and is more convenient to use.

Description

Fixed guide bracket of CT guide lung puncture

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a fixed guide support for lung puncture guided by CT.

Background

CT-guided percutaneous aspiration lung biopsy diagnosis lung diseases the puncture under CT guidance has wide application range and the clinical application is the most. CT transverse tomography has good spatial resolution and density resolution, can accurately display the size, position and internal condition of a focus and the anatomical relation with surrounding structures such as blood vessels, and is particularly suitable for patients with high positioning difficulty and focuses near the lung portal and mediastinum. When a mass is mixed with atelectasis, obstructive pulmonary inflammation, an enhanced scan is sometimes required to determine the actual size of the mass. The method comprises the steps of firstly carrying out CT scanning to determine the best puncture point of a focus, the needle insertion depth and the needle insertion angle, and then carrying out puncture biopsy.

However, doctors judge the needle insertion position by experience when positioning the puncture point, most commonly, a bent clip is placed on the chest, and then the puncture point is selected by taking a picture.

Based on this, the utility model designs a fixed guide bracket of CT guide lung puncture to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed guide bracket of CT guide lung puncture to solve the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fixed guide holder of CT guide lung puncture, including the clamping ring, the clamping ring is the loop type piece, the loop type spout has been seted up on the clamping ring top, be provided with the slider in the loop type spout, the slider top is provided with the arc strip, the arc strip centre of a circle coincides with clamping ring bottom surface centre of a circle, the vertical directional pole that is provided with in arc strip inner arc surface upper portion, the line coincidence of the last lower face centre of a circle of directional pole extension line and clamping ring, directional pole bottom is provided with the slender pole, the slender pole lower part is provided with hinge mechanisms, the arc wall has been seted up on the arc strip, it is provided with the angle adjustment piece to slide in the arc wall, be fixed with the guiding tube on the angle.

Preferably, the hinge mechanism comprises a first hinge seat and a second hinge seat, the first hinge seat is fixedly connected to the lower part of the thin rod, the second hinge seat is fixedly connected to the lower part of the guide tube, and the first hinge seat is connected with the second hinge seat through a pin shaft.

Preferably, the angle adjusting block comprises an arc block, a convex block is arranged on the inner arc surface of the arc block, the upper part of the guide tube is fixedly connected with the convex block, a pointer is arranged on the outer arc surface of the arc block, the pointer coincides with the extension line of the center line of the guide tube, a locking screw rod is arranged at the front end of the arc block, and the position of the locking screw rod is staggered with that of the guide tube.

Preferably, auxiliary pressing strips are arranged on the lower portion of the inner arc surface of the pressing ring, and the number of the auxiliary pressing strips is four, and the four auxiliary pressing strips are distributed at equal angles.

Preferably, the arc-shaped strip is provided with angle scale marks.

Preferably, the sliding part comprises a T-shaped sliding block, a connecting disc is arranged at the top end of the T-shaped sliding block, and a limiting screw rod is arranged on the connecting disc.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an arc strip, slider and clamping ring isotructure that set up can the accurate needle insertion direction of adjustment lung puncture, through the angle modulation piece and the arc wall that set up, can accurately adjust the needle insertion angle, the accuracy of needle insertion when this device has improved the doctor and has used has reduced because of the too big then complication such as pneumothorax that easily causes of the needle insertion deviation, and around this device was adjusted, can guarantee the position of needle insertion point and appointed needle insertion point position coincidence, it is more convenient to use.

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 these drawings without creative efforts.

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

FIG. 2 is a top view of the pressure ring of the present invention;

FIG. 3 is an enlarged schematic view of the utility model at A;

FIG. 4 is an enlarged schematic view of the utility model at B;

fig. 5 is a schematic structural view of the sliding member of the present invention.

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

1-press ring, 2-annular chute, 3-sliding part, 4-arc strip, 5-pointing rod, 6-thin rod, 7-hinge mechanism, 8-arc groove, 9-angle adjusting block, 10-guide tube, 11-auxiliary press bar, 31-T type slide block, 32-connecting disc, 33-limit screw, 41-angle scale mark, 71-first hinge seat, 72-second hinge seat, 91-arc block, 92-lug, 93-pointer and 94-locking screw.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a fixed guide holder of CT guide lung puncture, including clamping ring 1, clamping ring 1 is the annular piece, annular spout 2 has been seted up on 1 top of clamping ring, be provided with slider 3 in the

annular spout

2, 3 tops of slider are provided with arc strip 4, the coincidence of the 4 centre of a circle of arc strip and 1 bottom surface centre of a circle of clamping ring, the vertical directional pole 5 that is provided with in 4 interior cambered surface upper portion of arc strip, directional pole 5 extension line and 1 upper and lower centre of a circle line coincidence of clamping ring, directional pole 5 bottom is provided with

thin pole

6, 6 lower parts of thin pole are provided with hinge mechanisms 7, the arc wall 8 has been seted up on the arc strip 4, it is provided with angle adjusting block 9 to slide in the arc wall 8, be fixed with guiding tube 10 on.

Wherein, the hinge mechanism 7 comprises a first hinge seat 71 and a second hinge seat 72, the first hinge seat 71 is fixedly connected with the lower part of the slender rod 6, the second hinge seat 72 is fixedly connected with the lower part of the guide tube 10, the first hinge seat 71 is connected with the second hinge seat 72 through a pin shaft, the angle adjusting block 9 comprises an arc block 91, the inner arc surface of the arc block 91 is provided with a lug 92, the upper part of the guide tube 10 is fixedly connected with the lug 92, the outer arc surface of the arc block 91 is provided with a pointer 93, the pointer 93 is superposed with the extension line of the central line of the guide tube 10, the front end of the arc block 91 is provided with a locking screw 94, the position of the locking screw 94 is staggered with the position of the guide tube 10, the lower part of the inner arc surface of the press ring 1 is provided with auxiliary press strips 11, the auxiliary press strips 11 are four, the four auxiliary press strips 11 are distributed at equal angles, the connecting disc 32 is provided with a limit screw 33.

One specific application of this embodiment is: the device is a fixed guide support for lung puncture guided by CT, when in use, the press ring 1 is pressed on a patient body, the pointing rod 5 points to a determined needle insertion point, then the sliding part 3 is shifted according to the needle insertion direction to slide in the annular chute 2, so that the arc-shaped strip 4 rotates around the needle insertion point, the guide tube 10 changes the position along with the needle insertion point, after the needle insertion direction is adjusted, the limit screw 33 is rotated, and the limit screw 33 presses the sliding part 3 and the press ring 1 tightly, so that the position of the sliding part and the press ring 1 is fixed, and the adjustment process of the needle insertion direction is completed; then, the needle insertion angle is adjusted, during adjustment, the angle adjusting block 9 is moved to slide up and down in the arc-shaped groove 8, the position of the angle adjusting block is adjusted according to the needle insertion angle obtained by the CT machine, so that the pointer 93 on the angle adjusting block points to the corresponding angle scale mark 41, and then the locking screw 94 is screwed to fix the position of the angle adjusting block 9, so that the needle insertion angle adjustment is completed. Finally, the front end of the puncture needle is inserted into the guide tube 10, and the needle inserting and puncturing process is started.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a CT guides fixed guide bracket of lung puncture, including clamping ring (1), its characterized in that: the compression ring (1) is an annular block, an annular sliding groove (2) is arranged at the top end of the compression ring (1), a sliding part (3) is arranged in the annular sliding chute (2), an arc-shaped strip (4) is arranged at the top end of the sliding part (3), the circle center of the arc-shaped strip (4) is superposed with the circle center of the bottom surface of the compression ring (1), the upper part of the inner arc surface of the arc-shaped strip (4) is vertically provided with a pointing rod (5), the extension line of the pointing rod (5) is superposed with the connecting line of the circle centers of the upper surface and the lower surface of the pressure ring (1), a thin rod (6) is arranged at the bottom end of the pointing rod (5), a hinge mechanism (7) is arranged at the lower part of the thin rod (6), an arc-shaped groove (8) is arranged on the arc-shaped strip (4), an angle adjusting block (9) is arranged in the arc-shaped groove (8) in a sliding manner, a guide pipe (10) is fixed on the angle adjusting block (9), and the bottom end of the guide pipe (10) is connected with a hinge mechanism (7).

2. The CT-guided lung puncture fixing and guiding bracket as claimed in claim 1, wherein: articulated mechanism (7) are including first articulated seat (71) and the articulated seat of second (72), first articulated seat (71) rigid coupling in thin pole (6) lower part, the articulated seat of second (72) rigid coupling in guide tube (10) lower part, first articulated seat (71) and the articulated seat of second (72) are through the round pin hub connection.

3. The CT-guided lung puncture fixing and guiding bracket as claimed in claim 1, wherein: the angle adjusting block (9) comprises an arc block (91), a convex block (92) is arranged on the inner arc surface of the arc block (91), the convex block (92) is fixedly connected to the upper portion of the guide pipe (10), a pointer (93) is arranged on the outer arc surface of the arc block (91), the pointer (93) coincides with the extension line of the center line of the guide pipe (10), a locking screw rod (94) is arranged at the front end of the arc block (91), and the position of the locking screw rod (94) is staggered with that of the guide pipe (10).

4. The CT-guided lung puncture fixing and guiding bracket as claimed in claim 1, wherein: auxiliary pressing strips (11) are arranged on the lower portion of the inner arc surface of the pressing ring (1), four auxiliary pressing strips (11) are arranged, and the auxiliary pressing strips (11) are distributed in an equal angle mode.

5. The CT-guided lung puncture fixing and guiding bracket as claimed in claim 1, wherein: the arc-shaped strip (4) is provided with angle scale marks (41).

6. The CT-guided lung puncture fixing and guiding bracket as claimed in claim 1, wherein: the sliding piece (3) comprises a T-shaped sliding block (31), a connecting disc (32) is arranged at the top end of the T-shaped sliding block (31), and a limiting screw rod (33) is arranged on the connecting disc (32).