CN210170578U - Clamping device for nerve blocking needle - Google Patents

Abstract

The utility model belongs to the technical field of medical equipment, especially, relate to a clamping device of neural stagnation needle. Including the cassette, the cassette is the cuboid structure, the draw-in groove that is used for chucking luer to connect the outer wall is offered to the side of cassette, the draw-in groove vertically runs through the setting along the cassette, wherein the top of two adjacent sides of cassette upwards extends and is equipped with two and supports the curved plate, and two support curved plates upwards extend and join and form the installation position that is used for installing flush mounting plate of switch. The utility model has the advantages that: through setting up a cassette that can install flush mounting plate of switch, the cassette is held to the singlehanded of being convenient for, and the degree of difficulty has been reduced in the synchronous operation flush mounting plate of switch.

Description

Clamping device for nerve blocking needle

Technical Field

The utility model belongs to the technical field of medical equipment, especially, relate to a clamping device of neural stagnation needle.

Background

In the medical field, nerve blocking under ultrasound guidance is more and more important in clinical operation because nerve blocking under ultrasound guidance can relatively accurately position nerves, improve success rate and anesthesia quality, and simultaneously reduce related complications of nerve blocking. However, when nerve blocking is performed under ultrasonic guidance, an operator needs to hold the ultrasonic probe with one hand and hold the nerve blocking needle with the other hand, so that redundant hands cannot be left to finish local anesthetic injection in person, and other operators need to inject local anesthetic. At present, a connecting pipeline is generally added between a nerve block needle and an injector, a local anesthetic injector completes the trial injection of local anesthetic or the completion of all injections of local anesthetic according to the prompt of an ultrasonic image or a nerve block needle operator, and the operation is easy to cause the situations that the communication between two persons is not timely or improper, so that the operation completion effect is not ideal, and even more, the life safety of a patient is damaged by wrong injection. In addition, some common syringes are directly connected with the blocking needles, and operators of the nerve blocking needles finish local anesthetic injection personally, but the length from the tail end of a piston core rod of the common syringe to the tip end of the syringe when the common syringe is filled with local anesthetic liquid and the length of the nerve blocking needle exposed outside the skin are too long, so that the nerve blocking needle is difficult to hold, the operators of the nerve blocking needles cannot finish local anesthetic injection smoothly, and the operation is very difficult.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings of the prior art, an object of the present invention is to provide a clamping device for a neural blocked needle for solving the problem of difficulty in holding the neural blocked needle and pushing anesthetic by one hand in the prior art.

In order to realize above-mentioned purpose and other relevant purposes, the utility model provides a clamping device of needle is hindered to nerve, including the cassette, the cassette is the cuboid structure, the draw-in groove that is used for chucking luer connector outer wall is offered to the side of cassette, the draw-in groove vertically runs through the setting along the cassette, wherein the top of two adjacent sides of cassette upwards extends and is equipped with two and supports the curved plate, and two support curved plate upwards extend and join the formation and be used for installing flush mounting plate of switch's installation station.

The utility model has the advantages that: through setting up a cassette that can install flush mounting plate of switch, the cassette is held to the singlehanded of being convenient for, and the degree of difficulty has been reduced in the synchronous operation flush mounting plate of switch.

Optionally, the device further comprises a switch panel, and a withdrawal button, a fast bolus button and a slow bolus button are arranged on the switch panel.

Optionally, the withdrawal button, the fast bolus button and the slow bolus button are distributed in a triangle, the fast bolus button and the slow bolus button are located at the same height, and the withdrawal button is located above the fast bolus button and the slow bolus button.

The beneficial effect of adopting the above optional scheme is: each button is compact and reasonable in layout and convenient to operate.

Optionally, a limiting part for limiting the luer connector to move upwards is convexly arranged on the top of the clamping groove along the inner side.

Optionally, the nerve block needle assembly further comprises a luer connector for mounting the nerve block needle, a step surface is arranged at the top of the luer connector, the outer portion of the luer connector is clamped into the clamping groove, and the step surface is pressed through the limiting part to limit the luer connector to move upwards.

The beneficial effect of adopting the above optional scheme is: prevent that the luer connector and the cassette from producing relative slip when the nerve block needle is pricked into the human body, improve the stability of structure joint, be favorable to pushing the accurate human of injecting of local anesthesia liquid medicine.

Optionally, the cartridge is made of an elastic material.

Optionally, the cartridge is made of rubber.

The beneficial effect of adopting the above optional scheme is: the clamping seat has certain deformation capacity, and luer connectors are convenient to take out or clamp.

Optionally, the clamping groove is an arc-shaped groove, so that the clamping groove is high in degree of engagement, large in contact area and good in stability.

Optionally, the cross section of the clamping groove is in an isosceles trapezoid shape, so that the clamping groove is good in adaptability and is clamped and fastened.

Optionally, the adjacent sides of the two supporting curved plates are joined and connected, so that the stability of the structure is improved.

Drawings

Fig. 1 is a schematic structural view of a holding device for a nerve block needle according to an embodiment of the present invention;

fig. 2 is a top view of a holding device for a nerve block needle according to an embodiment of the present invention;

fig. 3 is a front view of the neural obstruction needle clamping device of the embodiment of the present invention with the curved plate detached;

fig. 4 is a top view of the nerve block needle clamping device according to the embodiment of the present invention with the curved plate supported and detached;

fig. 5 is a top view of the nerve block needle clamping device according to the embodiment of the present invention with another embodiment of the curved plate detached from the support plate;

fig. 6 is a schematic structural view of a switch panel of the holding device for a nerve block needle according to the embodiment of the present invention.

Description of reference numerals

1, a card seat;

11 a limiting part;

12 supporting a curved plate;

13 card slots;

2, a switch panel;

21 a draw-back button;

22 a bolus button;

23 slow bolus button;

3 luer connectors;

4 nerve block needle;

5 a liquid medicine input pipe.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description, and are not intended to limit the scope of the invention, but rather the scope of the invention.

As shown in fig. 1 to 3 and 6, the clamping device for the nerve block needle of the present invention comprises a clamping base 1, wherein the clamping base 1 has a cuboid structure, and has a regular structure, so that the device is convenient to manufacture and grip. A clamping groove 13 used for clamping the outer wall of the Ruhr joint 3 is formed in the side face of the clamping seat 1, and the clamping groove 13 penetrates through the clamping seat 1 longitudinally. The clamping seat 1 can be made of elastic materials, for example, the clamping seat 1 can be made of rubber, so that the clamping seat has certain deformation capacity, the clamping seat and the luer connector can be firmly clamped conveniently, and repeated disassembly and assembly can be realized. The top of two adjacent sides wherein of cassette 1 upwards extends to be equipped with two and supports curved plate 12, and two support curved plate 12 upwards extend and join and form the installation station that is used for installing flush mounting plate of switch 2, and two adjacent sides that support curved plate 12 join the connection, adopt this structural design can provide stable bearing structure for flush mounting plate of switch 2 on the one hand, and on the other hand can set up in a flexible way to dodge liquid medicine input tube 5, provide sufficient space for liquid medicine input tube 5.

As shown in fig. 1 to 3 and 6, the clamping device further comprises a switch panel 2, a back-draw button 21, a fast-push button 22 and a slow-push button 23 are arranged on the switch panel 2, one side of the switch panel 2, which is provided with the buttons, is back to the opening of the clamping groove, so that an operator can observe and operate the clamping device conveniently, when the back-draw button 21 is pressed, an external injection pump is started to run for back-draw so as to eliminate the situation that the needle point of the nerve block needle is positioned in a blood vessel, when the slow-push button 23 is pressed, the external injection pump is started to run for slow injection of physiological saline with a tentative dose or local anesthetic liquid with a tentative dose so as to confirm whether the needle point is positioned at a target position, when the fast-push button 22 is pressed, the external injection pump is started to run for fast injection of the required local anesthetic liquid, so as to complete anesthetic operation, the back-draw button 21, the fast-push button 22 and the slow-push button 23 are distributed in a triangular shape, the fast-push button 22 and the slow-push button 23 are positioned at the same height, and when the back button 21 is positioned above the fast-push button 22, the switch panel 2 and the switch panel 2, wherein the side of the switch panel 2 and the cassette are both form an included angle, so that the switch panel can be conveniently electrically.

As shown in fig. 1 to 3 and 6, the holding device further includes a luer 3 for mounting the nerve block needle 4, and the luer 3 may be a 6% luer (so-called 6% luer is a medical luer) and may be adapted to be used in connection with a medical device such as an injection needle and a syringe. Wherein, luer 3 is the cylindric structure, and luer 3's top is equipped with the step face, and luer 3's top is connected with liquid medicine input tube 5, and liquid medicine input tube 5 and external syringe pump are connected. The outer side wall of the luer connector 3 is clamped into the clamping groove 13 along the opening of the clamping groove 13, the limiting part 11 used for limiting the luer connector 3 to move upwards is convexly arranged at the top of the clamping groove 13 along the inner side, the limiting part 11 presses the step surface to limit the luer connector 3 to move upwards, when the clamping seat is held, the nerve blocking needle 4 is inserted downwards into human tissues such as human breakthrough skin, the upward acting force is applied to the nerve blocking needle 4, the step surface is pressed through the limiting part 11 to enable the luer connector to be incapable of moving upwards, so that the relative movement of the luer connector and the clamping seat in the axial direction of the luer connector is avoided, and the accuracy of operation is improved.

As shown in fig. 4, in an embodiment, the slot 13 may be an arc-shaped slot, an opening of the arc-shaped slot may be greater than a quarter of an arc and smaller than a half of an arc, the luer connector 3 is pushed into the slot along the opening of the slot, the slot opening is stressed to open towards two sides, the luer connector is pushed into the slot, two sides of the slot opening are reset to be close to the middle, the luer connector is clamped, the arc-shaped slot is adopted to increase a contact area between the slot and the luer connector, and the clamping is stable.

As shown in fig. 5, in another embodiment, the cross section of the clamping groove 13 is an isosceles trapezoid, the width of the clamping groove gradually increases from the position close to the opening to the position away from the opening, the luer connector 3 is pushed into the clamping groove along the opening of the clamping groove, the opening of the clamping groove is stressed to be opened towards two sides, the luer connector is pushed into the clamping groove, two sides of the opening of the clamping groove are reset to be close to the middle, the luer connector is clamped, three surfaces of the clamping groove and the outer wall of the luer connector form three line contacts by adopting an isosceles trapezoid structure, so that the luer connector can be adapted to luer connectors with different sizes and.

The working process is as follows: the luer connector connected with the nerve blocking needle 4 and the external injection pump is clamped into the clamping groove, the external injection pump is started, an operator can hold the ultrasonic probe with the left hand, the thumb of the right hand holds the side C of the clamping seat, the middle finger of the right hand holds the side A of the clamping seat, and the index finger of the right hand presses a suck-back button, a fast push button or a slow push button on the switch panel to enable the external injection pump to operate and input liquid medicine into a human body through the liquid medicine input tube.

The utility model discloses an installation cassette on the needle is hindered to nerve, simple structure, the chucking is firm, grips the convenience, and operation process is simple stable, has improved the accurate nature that local anesthetic pours into.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. A clamping device of a nerve block needle is characterized in that: including the cassette, the cassette is the cuboid structure, the draw-in groove that is used for chucking luer to connect the outer wall is offered to the side of cassette, the draw-in groove vertically runs through the setting along the cassette, wherein the top of two adjacent sides of cassette upwards extends and is equipped with two and supports the curved plate, and two support curved plates upwards extend and join and form the installation position that is used for installing flush mounting plate of switch.

2. The holding device for nerve block needle according to claim 1, wherein: the fast push-pull type push-pull button is characterized by further comprising a switch panel, and a pull-back button, a fast push-pull button and a slow push-pull button are arranged on the switch panel.

3. The holding device for nerve block needle according to claim 2, wherein: the withdrawing button, the fast pushing button and the slow pushing button are distributed in a triangular mode, the fast pushing button and the slow pushing button are located at the same height, and the withdrawing button is located above the fast pushing button and the slow pushing button.

4. The holding device for nerve block needle according to claim 1, wherein: and the top of the clamping groove is convexly provided with a limiting part used for limiting the luer connector to move upwards along the inner side.

5. The holding device for nerve block needle according to claim 4, wherein: the nerve block needle is characterized by further comprising a luer connector used for installing a nerve block needle, a step surface is arranged at the top of the luer connector, the outer portion of the luer connector is clamped into the clamping groove, and the step surface is pressed through the limiting portion to limit the luer connector to move upwards.

6. The holding device for nerve block needle according to claim 1, wherein: the clamping seat is made of elastic materials.

7. The device for holding a nerve block needle according to claim 6, wherein: the clamping seat is made of rubber.

8. The holding device for nerve block needle according to claim 1, wherein: the clamping groove is an arc-shaped groove.

9. The holding device for nerve block needle according to claim 1, wherein: the cross section of the clamping groove is isosceles trapezoid.

10. A holding device for a nerve block needle according to any one of claims 1 to 9, wherein: the adjacent sides of the two supporting curved plates are connected in a converging way.

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