CN219109676U

CN219109676U - Puncture guide that can stably adjust

Info

Publication number: CN219109676U
Application number: CN202223367792.5U
Authority: CN
Inventors: 廖秀珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-02
Anticipated expiration: 2032-12-15

Abstract

The utility model relates to the technical field of medical equipment, in particular to a puncture guide piece capable of being regulated stably, which is matched with a linear array probe for use, and comprises the following components: the mounting frame of the U-shaped structure is fixed with the linear array probe through a connecting bracket, and the first side of the mounting frame is provided with an arc-shaped adjusting notch; the first end of the guide pipe is hinged with the second side of the mounting frame through a hinge shaft, and the outer wall of the second end of the guide pipe radially protrudes to form an annular flange; the sliding part is arranged on the guide pipe in a sliding sleeved mode, a spring is sleeved on the outer wall of the guide pipe between the sliding part and the flange, the sliding part is provided with a clamping part which penetrates through the adjusting notch, and one side, close to the hinge shaft, of the adjusting notch is provided with a plurality of bayonets corresponding to the clamping part. The utility model can quickly adjust and fix the angle of the guide tube, is not easy to loosen after being fixed, and solves the problems that the angle of the guide tube is not easy to adjust or loose due to the adoption of knurled screws to fix the angle of the guide tube in the prior art.

Description

Puncture guide that can stably adjust

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a puncture guide member capable of being regulated stably.

Background

A puncture guide, also known as an ultrasound probe puncture rack, or a puncture guide; in clinical anesthesia, the puncture guide is usually matched with a linear array probe, and the puncture guide is arranged on the linear array probe, so that the puncture needle can be guided to a target position of a human body under ultrasonic guidance, and the cytological biopsy, the histological biopsy, the cyst aspiration, the treatment and the like are realized.

The current puncture guide piece generally comprises a fixing frame which can be fixed with a linear array probe, a mounting frame arranged on one side of the fixing frame and a guide pipe which is arranged on the mounting frame and used for guiding a puncture needle, the angle of the guide pipe can be adjusted generally for conveniently puncturing at different angles, the first end of the guide pipe is hinged with the mounting frame through a hinge shaft, an arc-shaped adjusting groove which takes the hinge shaft as a center is formed in the mounting frame, the threaded end of a knurled screw is connected with the second end of the guide pipe through threads after passing through the adjusting groove, when the knurled screw is unscrewed, the angle of the guide pipe is adjustable, after the angle of the guide pipe is adjusted, the angle of the guide pipe can be fixed by screwing the knurled screw, so that the angle of the guide pipe can be adjusted within a certain range, but in the actual operation process, the tightness degree of the knurled screw is not easy to grasp, the screwing of the knurled screw can cause adjustment difficulty, the phenomenon of loosening easily occurs when the knurled screw is unscrewed, so that the puncture angle is unstable, and the accuracy and the reliability of puncture needle puncture are influenced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a puncture guide piece capable of being regulated stably, which can be used for regulating and fixing the angle of a guide tube rapidly, is not easy to loosen after being fixed, and solves the problems that the angle of the guide tube is not easy to regulate or loose due to the fact that the angle of the guide tube is fixed by adopting a knurled screw in the prior art.

(II) technical scheme

In order to achieve the purposes that the angle of the guide pipe can be quickly adjusted and fixed and is not easy to loosen after being fixed, the utility model provides the following technical scheme: a stabilizably adjustable piercing guide for use with a linear array probe, comprising: the mounting frame of the U-shaped structure is fixed with the linear array probe through a connecting bracket, and the first side of the mounting frame is provided with an arc-shaped adjusting notch; the first end of the guide pipe is hinged with the second side of the mounting frame through a hinge shaft, and an annular flange is formed on the outer wall of the second end of the guide pipe in a protruding mode along the radial direction; the sliding part is arranged on the guide pipe in a sliding sleeved mode, a spring is sleeved on the outer wall of the guide pipe between the sliding part and the flange, the sliding part is provided with a clamping part penetrating through the adjusting notch, and one side, close to the hinge shaft, of the adjusting notch is provided with a plurality of bayonets corresponding to the clamping part.

Optionally, one end of the clamping portion away from the sliding piece is provided with a push-pull piece, and the push-pull piece is arranged on the outer side of the mounting frame.

Optionally, the push-pull piece is kept away from one side of joint portion is equipped with anti-skidding line, the length direction of anti-skidding line with the axial of guide tube is perpendicular.

Optionally, the side of the push-pull member provided with the anti-slip lines is an inclined plane, and the push-pull member positioned on two sides of the inclined plane is provided with side plates.

Optionally, the linking bridge includes first plate body and second plate body, first plate body with be formed with between the second plate body and be suitable for holding the accommodation space of linear array probe, first plate body's first end with the first end of second plate body all pass through the articulated elements with the mounting bracket articulates, first plate body's second end with can dismantle through locking part between the second end of second plate body and be connected.

Optionally, the hinge member includes a vertical shaft and a horizontal shaft that are connected perpendicularly to each other, the vertical shaft is rotationally connected with the mounting frame, and two ends of the horizontal shaft are rotationally connected with the first end of the first plate body or the first end of the second plate body.

Optionally, the locking component includes with the fixed board of the second end of first plate body and with two connecting plates of the second end of second plate body are fixed, two rotate through a swivelling joint axle and be connected with a screw rod between the connecting plate, the one end threaded connection of screw rod has fastening nut, the fixed board middle part seted up with the breach that the screw rod position corresponds.

Optionally, the first plate body with the second plate body inboard all is equipped with the slipmat, the slipmat with the one side that linear array probe contacted is equipped with anti-skidding structure.

Optionally, the anti-slip structure comprises longitudinal lines arranged in the middle of the anti-slip pad and transverse lines arranged at two ends of the anti-slip pad.

(III) beneficial effects

Compared with the prior art, the utility model provides the puncture guide piece which can be stably adjusted, and has the following beneficial effects:

1. according to the utility model, through the cooperation of the mounting frame, the connecting bracket, the adjusting notch, the guide pipe, the hinge shaft, the flange, the sliding piece, the spring, the clamping part and the bayonet, the angle of the guide pipe can be quickly adjusted and fixed, and the guide pipe is not easy to loosen after being fixed, so that the problem that the angle of the guide pipe is not easy to adjust or loose due to the adoption of knurled screws in the prior art is solved;

2. according to the utility model, the push-pull piece connected with the sliding piece is arranged on the outer side of the mounting frame, and because the push-pull piece is arranged on the outer side of the mounting frame, an operator can conveniently and indirectly control the movement of the sliding piece by controlling the push-pull piece, so that the convenience of operation is improved;

3. according to the utility model, the sliding piece is provided with the anti-skid lines, so that the friction force between the fingers of an operator and the sliding piece can be increased, the sliding piece is not easy to slip, and the stability of the sliding piece during operation is improved.

Drawings

FIG. 1 is a schematic axial side view of the present utility model;

FIG. 2 is a schematic diagram of another isometric view of the present utility model;

FIG. 3 is a schematic view of the structure of the first plate body in a state in which the second end and the second end of the second plate body are separated;

FIG. 4 is a schematic view of a partial structure of the present utility model;

FIG. 5 is a schematic diagram of the front view of FIG. 4 according to the present utility model;

fig. 6 is a schematic view of the structure of the mounting frame of the present utility model.

In the figure: 1. a mounting frame; 10. adjusting the notch; 11. a bayonet; 2. a connecting bracket; 20. a first plate body; 21. a second plate body; 22. a hinge; 220. a vertical shaft; 221. a horizontal axis; 23. a locking member; 230. a fixing plate; 2300. a notch; 231. a connecting plate; 232. a screw; 233. a rotary connecting shaft; 234. fastening a screw cap; 3. a guide tube; 30. a flange; 4. a slider; 40. a clamping part; 5. a spring; 6. a push-pull member; 60. anti-skid lines; 61. a side plate; 7. an anti-slip pad; 70. longitudinal lines; 71. transverse lines; 8. and a hinge shaft.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1 to 6, an embodiment of the present utility model provides a technical solution: a stabilizably adjustable piercing guide for use with a linear array probe, comprising: the device comprises a mounting frame 1 with a U-shaped structure, a linear array probe and a connecting bracket 2, wherein the mounting frame 1 is fixed with the linear array probe through the connecting bracket 2, and an arc-shaped adjusting notch 10 is formed in the first side of the mounting frame 1; the guide tube 3, the first end of the guide tube 3 is hinged with the second side of the mounting frame 1 through the hinge shaft 8, and the outer wall of the second end of the guide tube 3 protrudes radially to form an annular flange 30; the sliding part 4 is arranged on the guide pipe 3 in a sliding sleeved mode, a spring 5 is sleeved on the outer wall of the guide pipe 3 between the sliding part 4 and the flange 30, the sliding part 4 is provided with a clamping part 40 penetrating through the adjusting notch 10, and one side, close to the hinge shaft 8, of the adjusting notch 10 is provided with a plurality of bayonets 11 corresponding to the clamping parts 40;

in real time, when the guide tube 3 on the mounting frame 1 and the mounting frame 1 is fixed on the linear array probe through the connecting bracket 2, when the angle of the guide tube 3 needs to be changed, the sliding part 4 moves to one side close to the flange 30, the spring 5 is compressed, the clamping part 40 on the sliding part 4 is separated from the bayonet 11, the sliding part 4 after separating from the bayonet 11 can slide along the radian direction of the adjusting notch 10, the angle of the guide tube 3 is adjusted, after the angle of the guide tube 3 is adjusted, the sliding part 4 is loosened, the sliding part 4 moves in the direction far away from the flange 30 under the elasticity of the spring 5, finally, the angle of the guide tube 3 is fixed by sliding the clamping part 40 on the sliding part 4 into the corresponding bayonet 11, compared with the angle of the guide tube 3 fixed by adopting screw knurling in the prior art, the angle of the guide tube 3 after adopting the structure is not easy to change, and the angle adjustment is more convenient.

For better manipulating the movement of the sliding member 4, on the basis of the above embodiment, the end of the clamping portion 40 away from the sliding member 4 in this embodiment is provided with a push-pull member 6, the push-pull member 6 is disposed on the outer side of the mounting frame 1, and since the push-pull member 6 is disposed on the outer side of the mounting frame 1, it is convenient for an operator to indirectly manipulate the movement of the sliding member 4 by manipulating the push-pull member 6.

On the basis of the above embodiment, in this embodiment, the side of the push-pull member 6 away from the clamping portion 40 is provided with the anti-slip lines 60, and the length direction of the anti-slip lines 60 is perpendicular to the axial direction of the guide tube 3; the specific operator presses the push-pull member 6 by the finger to control the movement of the push-pull member 6, and the anti-slip lines 60 can increase the friction between the operator finger and the push-pull member 6, so that the operator is not easy to slip.

On the basis of the above embodiment, in this embodiment, the side of the push-pull member 6 provided with the anti-slip lines 60 is an inclined plane, and the push-pull member 6 located at two sides of the inclined plane is provided with side plates 61; specifically, when the operator pushes the push-pull member 6 to rotate around the hinge shaft 8 by the finger, the side plates 61 can prevent the finger of the operator from slipping off from both sides of the push-pull member 6, improving the stability in handling.

On the basis of the above embodiment, the connecting bracket 2 in this embodiment includes a first plate body 20 and a second plate body 21, a receiving space suitable for receiving a linear array probe is formed between the first plate body 20 and the second plate body 21, a first end of the first plate body 20 and a first end of the second plate body 21 are hinged with the mounting bracket 1 through a hinge 22, and a second end of the first plate body 20 and a second end of the second plate body 21 are detachably connected through a locking component 23; specifically, when the anesthesia puncture needle puncture guide is mounted, the first plate 20 and the second plate 21 are clamped at both sides of the linear array probe, and then the second end of the first plate 20 and the second end of the second plate 21 are fixed by the locking member 23.

On the basis of the above embodiment, the hinge 22 in this embodiment includes a vertical shaft 220 and a horizontal shaft 221 which are vertically connected to each other, the vertical shaft 220 is rotatably connected to the mounting frame 1, and two ends of the horizontal shaft 221 are rotatably connected to the first end of the first plate 20 or the first end of the second plate 21; the installation frame 1 after being connected with the first plate body 20 and the second plate body 21 can rotate in the vertical direction and the horizontal direction, so that the installation of the installation frame 1 and the laminating degree between the installation frame 1 and the linear array probe are convenient.

In order to better realize the detachable connection between the second end of the first plate body 20 and the second end of the second plate body 21, in the above embodiment, the locking component 23 includes a fixing plate 230 fixed to the second end of the first plate body 20 and two connecting plates 231 fixed to the second end of the second plate body 21, a screw 232 is rotatably connected between the two connecting plates 231 through a rotary connecting shaft 233, one end of the screw 232 is in threaded connection with a fastening nut 234, and a notch 2300 corresponding to the position of the screw 232 is formed in the middle of the fixing plate 230; specifically, when the second end of the first plate body 20 is connected to the second end of the second plate body 21, the fastening nut 234 is first kept in a screwed state, then the first plate body 20 is turned over to attach the fixing plate 230 at the second end of the first plate body 20 to the connecting plate 231 at the second end of the second plate body 21, and finally the screw 232 is turned over into the notch 2300 of the fixing plate 230 to tighten the fastening nut 234.

On the basis of the above embodiment, in this embodiment, the inner sides of the first plate 20 and the second plate 21 are both provided with the anti-slip pad 7, one side of the anti-slip pad 7, which contacts with the linear array probe, is provided with an anti-slip structure, and the first plate 20, the second plate 21 and the linear array probe can be contacted more tightly through the arrangement of the anti-slip structure, so that the anti-slip structure is not easy to loosen.

On the basis of the above embodiment, the anti-slip structure in this embodiment includes the longitudinal lines 70 disposed in the middle of the anti-slip pad 7 and the transverse lines 71 disposed at two ends of the anti-slip pad 7, and the design of the bi-directional lines is adopted, so that the connection tightness between the connection bracket 2 and the linear array probe can be further improved, and the falling phenomenon of the connection bracket 2 is avoided.

Working principle: when the anesthesia puncture needle puncture guide piece is installed on a linear array probe, the first plate body 20 and the second plate body 21 are clamped on the linear array probe, then the screw 232 on the second end of the second plate body 21 is turned over into the notch 2300 on the fixed plate 230 on the second end of the first plate body 20, then the fastening nut is screwed down, the installation of the anesthesia puncture needle puncture guide piece on the linear array probe can be completed, after the installation, an operator adjusts the angle of the guide tube 3 according to actual requirements, when the adjustment, an index finger and a thumb of the operator pinch the push-pull piece 6 on two sides of the installation frame 1, firstly, the slide piece 4 is moved to one side close to the flange 30 through the push-pull piece 6, after the clamping part 40 on the slide piece 4 is separated from the bayonet 11, the slide piece 4 is moved in the radian direction of the adjusting notch 10, so that the angle of the guide tube 3 is adjusted, after the angle of the guide tube 3 is adjusted, the slide piece 4 is loosened, under the elasticity of the spring 5, the slide piece 4 moves towards the direction far away from the flange 30, finally, the corresponding angle of the guide tube 3 is inserted into the corresponding guide tube 3 through the bayonet 4, and the puncture needle puncture guide piece is accurately installed on the patient, and the patient can be punctured by using the guide tube puncture needle.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stabilizably adjustable piercing guide for use with a linear array probe, comprising:

the device comprises a mounting frame (1) with a U-shaped structure, wherein the mounting frame is fixed with the linear array probe through a connecting bracket (2), and an arc-shaped adjusting notch (10) is formed in the first side of the mounting frame (1);

the first end of the guide tube (3) is hinged with the second side of the mounting frame (1) through a hinge shaft (8), and an annular flange (30) is formed on the outer wall of the second end of the guide tube (3) in a protruding mode along the radial direction;

the sliding part (4), sliding part (4) slip cap is established on guide tube (3) outer wall cover between sliding part (4) with flange (30) is equipped with spring (5), have on sliding part (4) run through joint portion (40) that regulation notch (10) set up, one side that regulation notch (10) are close to articulated shaft (8) have a plurality of with bayonet socket (11) that joint portion (40) correspond.

2. A stabilizably adjustable piercing guide as in claim 1, wherein: one end of the clamping part (40) far away from the sliding part (4) is provided with a push-pull part (6), and the push-pull part (6) is arranged on the outer side of the mounting frame (1).

3. A stabilizably adjustable piercing guide as in claim 2, wherein: one side of the push-pull piece (6) far away from the clamping part (40) is provided with anti-slip lines (60), and the length direction of the anti-slip lines (60) is perpendicular to the axial direction of the guide tube (3).

4. A stabilizably adjustable piercing guide as in claim 3, wherein: one surface of the push-pull piece (6) provided with the anti-slip lines (60) is an inclined surface, and side plates (61) are arranged on the push-pull piece (6) positioned on two sides of the inclined surface.

5. A stabilizably adjustable piercing guide as in claim 1, wherein: the connecting support (2) comprises a first plate body (20) and a second plate body (21), a containing space suitable for containing the linear array probe is formed between the first plate body (20) and the second plate body (21), the first end of the first plate body (20) and the first end of the second plate body (21) are hinged to the mounting frame (1) through a hinge piece (22), and the second end of the first plate body (20) and the second end of the second plate body (21) are detachably connected through a locking component (23).

6. The steadily adjustable penetration guide of claim 5, wherein: the hinge piece (22) comprises a vertical shaft (220) and a horizontal shaft (221) which are connected vertically, the vertical shaft (220) is rotationally connected with the mounting frame (1), and two ends of the horizontal shaft (221) are rotationally connected with the first end of the first plate body (20) or the first end of the second plate body (21).

7. The steadily adjustable penetration guide of claim 6, wherein: the locking component (23) comprises a fixed plate (230) fixed with the second end of the first plate body (20) and two connecting plates (231) fixed with the second end of the second plate body (21), a screw (232) is rotatably connected between the two connecting plates (231) through a rotary connecting shaft (233), one end of the screw (232) is in threaded connection with a fastening nut (234), and a notch (2300) corresponding to the screw (232) is formed in the middle of the fixed plate (230).

8. The steadily adjustable penetration guide of claim 5, wherein: the anti-slip device is characterized in that anti-slip pads (7) are arranged on the inner sides of the first plate body (20) and the second plate body (21), and an anti-slip structure is arranged on one surface of each anti-slip pad (7) which is in contact with the linear array probe.

9. A stabilizable piercing guide as in claim 8, wherein: the anti-skid structure comprises longitudinal grains (70) arranged in the middle of the anti-skid pad (7) and transverse grains (71) arranged at two ends of the anti-skid pad (7).