CN212789323U

CN212789323U - Drug delivery device for anesthesia

Info

Publication number: CN212789323U
Application number: CN202020569330.3U
Authority: CN
Inventors: 党璐; 常宝生; 任斐; 周煜虎
Original assignee: Yanan University Affiliated Hospital
Current assignee: Yanan University Affiliated Hospital
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2021-03-26
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses an anesthesia is with device of dosing, including injection syringe, constant head tank and movable block, the right-hand member outside of injection syringe is provided with the handle, and the inner wall surface of injection syringe has seted up the constant head tank to the inboard of injection syringe is provided with the push rod, the piston is installed to the left end of push rod, and the outside of push rod is provided with the fixed block, the inboard of camera obscura is provided with the fixture block, and is connected with the spring between fixture block and the fixed block, the spout has been seted up to the left end outer wall of injection syringe, and the left end outside of injection syringe is provided with the movable block to the through-hole has been seted up to the inside of movable block, the syringe needle. This device of dosing for anesthesia can get it filled, inject quantitatively, avoids causing the medicament to get the volume too much and extravagant and the too big influence health of injection dosage, can adjust injection rate simultaneously, avoids injection rate to bring the discomfort for the weak patient of physique too fast, has improved the practicality of device.

Description

Drug delivery device for anesthesia

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a drug delivery device for anesthesia.

Background

Anesthesia is a common method in modern surgical medical procedures, and anesthesia is performed on a patient by injecting anesthetic into a to-be-operated position of the patient, so that the patient loses perceptibility during the surgical procedure, pain of the patient during the surgical procedure is eliminated, and an anesthetic administration device is required to be used for injecting medicine into the patient during the anesthesia, but the current anesthesia administration devices on the market still have some defects, such as:

1. the dosage of the anesthetic needs to be accurately controlled, so that the dosages of the anesthetic required by patients with different physical qualities are different, but most of the anesthetic administration devices in the current market lack quantitative medicine taking and administration functions, so that the phenomena of too much or insufficient medicine taking and injection of the devices are easy to occur, and certain use defects exist;

2. because patients with different constitutions have different tolerance to the anesthetic, the too fast injection brings certain discomfort and danger to some patients with weak constitutions, but most of the anesthetic administration devices on the market at present are inconvenient to adjust the injection aperture and the injection rate.

We have therefore proposed an anaesthetic drug delivery device which addresses the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anesthesia is with device of dosing to solve the problem that the device of dosing lacks the ration and gets it filled, the function of dosing and inconvenient to adjust injection aperture and injection rate on the current market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anesthesia is with device of dosing, includes injection syringe, constant head tank and movable block, the right-hand member outside of injection syringe is provided with the handle, and the inner wall surface of injection syringe has seted up the constant head tank to the inboard of injection syringe is provided with the push rod, the piston is installed to the left end of push rod, and the outside of push rod is provided with the fixed block to the camera obscura has been seted up to the inside of fixed block, the inboard of camera obscura is provided with the fixture block, and is connected with the spring between fixture block and the fixed block, the spout has been seted up to the left end outer wall of injection syringe, and the left end outside of injection syringe is provided with the movable block to the through-hole has been.

Preferably, the left end of the injection tube is provided with an injection hole, the diameters of the injection hole and the through hole are the same, the positions of the injection hole and the through hole correspond to each other, and the through hole is communicated with the injection needle.

Preferably, the positioning groove is spirally and equidistantly distributed on the inner wall of the injection tube, and the positioning groove and the clamping block form a clamping sliding structure.

Preferably, the fixture block and the fixing block form an elastic telescopic structure through a spring, the fixing block and the push rod are of an integrated structure, and the fixing block is in clearance fit with the injection tube.

Preferably, the left side of the upper end of the clamping block is of an inclined surface structure, and the clamping block and the blind groove form a clamping sliding structure.

Preferably, a guide block is arranged on the outer side of the movable block, the guide block and the sliding groove form a clamping sliding structure, and the movable block and the injection tube form a rotating structure.

Compared with the prior art, the beneficial effects of the utility model are that: the administration device for anesthesia;

1. the quantitative injection device is provided with the positioning grooves and the clamping blocks, the clamping blocks can correspond to the positioning grooves at different positions by rotating the push rod, the positioning grooves at different positions represent different anesthetic doses, the medicine is sucked by pulling the push rod, when the clamping blocks are clamped into the positioning grooves, the medicine cannot be taken continuously, so that the quantitative medicine taking is realized, the push rod is pressed downwards again, the clamping blocks can be separated from the clamping of the positioning grooves, the quantitative injection is finished, the quantitative medicine taking and the injection can be carried out by the device through the structure, and the health influence caused by excessive medicine taking and waste and overlarge injection dose is avoided;

2. be provided with the movable block, through rotatory movable block, can adjust the overlap area of injection hole and through-hole to change the injection aperture of device, make the device can adjust injection rate through this structure, avoid injection rate to bring discomfort for the weak patient of physique at the excessive speed, improved the practicality of device.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic view of the main sectional structure of the fixing block of the present invention;

FIG. 3 is a side sectional structural view of the syringe of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. an injection tube; 101. an injection hole; 2. a grip; 3. positioning a groove; 4. a push rod; 5. a piston; 6. a fixed block; 7. a hidden groove; 8. a clamping block; 9. a spring; 10. a chute; 11. a movable block; 1101. a guide block; 12. a through hole; 13. and (4) injecting a needle.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an anesthesia drug delivery device comprises an injection tube 1, an injection hole 101, a handle 2, a positioning groove 3, a push rod 4, a piston 5, a fixed block 6, a blind groove 7, a fixture block 8, a spring 9, a chute 10, a movable block 11, a guide block 1101, a through hole 12 and an injection needle 13, wherein the handle 2 is arranged on the outer side of the right end of the injection tube 1, the positioning groove 3 is arranged on the inner wall surface of the injection tube 1, a push rod 4 is arranged on the inner side of the injection tube 1, a piston 5 is arranged at the left end of the push rod 4, a fixed block 6 is arranged on the outer side of the push rod 4, a hidden groove 7 is arranged inside the fixed block 6, a clamping block 8 is arranged on the inner side of the hidden groove 7, a spring 9 is connected between the clamping block 8 and the fixed block 6, a sliding groove 10 is arranged on the outer wall of the left end of the injection tube 1, a movable block 11 is arranged on the outer side of the left end of the injection tube 1, a through hole 12 is arranged in the movable block 11, and an injection needle 13 is arranged at the left side of the movable block 11;

the left end of the injection tube 1 is provided with an injection hole 101, the diameters of the injection hole 101 and the through hole 12 are the same, the positions of the injection hole 101 and the through hole 12 correspond to each other, meanwhile, the through hole 12 is communicated with an injection needle head 13, the positions of the injection hole 101 and the through hole 12 can be adjusted by rotating the movable block 11, when the injection hole 101 and the through hole 12 are overlapped, the injection rate of the device is maximum, and the injection rate of the device can be effectively changed by adjusting the overlapping area of the injection hole 101 and the through hole 12, so that the phenomenon that the patient is uncomfortable due to the fact that the device is;

the positioning grooves 3 are spirally and equidistantly distributed on the inner wall of the injection tube 1, the positioning grooves 3 and the fixture blocks 8 form a clamping sliding structure, the fixture blocks 8 can correspond to the positioning grooves 3 at different positions by rotating the push rod 4 and the fixing block 6, so that the fixture blocks 8 can be clamped with the positioning grooves 3 at different positions, quantitative medicine taking and administration with different dosages can be realized, and the practicability of the device is improved;

the fixture block 8 and the fixing block 6 form an elastic telescopic structure through the spring 9, the fixing block 6 and the push rod 4 are of an integrated structure, the fixing block 6 is in clearance fit with the injection tube 1, and the fixture block 8 can be automatically ejected out of the positioning groove 3 to be clamped into the positioning groove 3 when moving to the position of the positioning groove 3 through the elastic force action of the spring 9, so that accurate quantitative medicine taking is realized;

the left side of the upper end of the fixture block 8 is of an inclined plane structure, the fixture block 8 and the blind groove 7 form a clamping sliding structure, and the fixture block 8 can be extruded by external force to be accommodated in the blind groove 7 when the push rod 4 is pressed through the inclined plane structure of the fixture block 8, so that the fixture block 8 and the positioning groove 3 are separated from clamping, and the device can smoothly perform quantitative injection;

the guide block 1101 is arranged on the outer side of the movable block 11, the guide block 1101 and the sliding groove 10 form a clamping sliding structure, the movable block 11 and the injection tube 1 form a rotating structure, the movable block 11 can stably rotate through the rotating structure, the position of the through hole 12 is adjusted, and meanwhile the guide block 1101 improves the connection sealing performance between the movable block 11 and the injection tube 1.

The working principle is as follows: when the drug delivery device for anesthesia is used, firstly, as shown in fig. 1 and fig. 2, according to the specific injection dosage of anesthetic required by a patient, the push rod 4 is rotated, so that the push rod 4 drives the fixing block 6 to rotate synchronously, the fixture block 8 and the positioning groove 3 corresponding to the corresponding dosage are on the same horizontal straight line, then the push rod 4 is pulled, the piston 5 slides along the inner wall of the injection tube 1, so that the anesthetic is sucked through the injection needle 13, when the fixture block 8 moves to the position of the positioning groove 3, the fixture block 8 is automatically ejected from the blind groove 7 under the elastic force of the spring 9 and is clamped into the positioning groove 3, and at the moment, the push rod 4 cannot be pulled continuously, so that quantitative drug taking is realized;

as shown in fig. 3-4, according to the physique of patient strong and weak, rotatory movable block 11, make injection hole 101 and through-hole 12 crisscross each other, thereby adjust coincidence area between them, the aperture size when can changing the injection this moment, thereby adjust the injection rate of device, avoid injection rate to bring discomfort and danger for the patient excessively fast, then prick into the corresponding part of patient's health with syringe needle 13, promote push rod 4 again, the inner wall of constant head tank 3 can extrude this moment, promote fixture block 8, make fixture block 8 retract in constant head tank 3, piston 5 can promote the liquid medicine and inject this moment, thereby accomplish a series of work.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an anesthesia is with device of dosing, includes injection syringe (1), constant head tank (3) and movable block (11), its characterized in that: the right-hand member outside of injection syringe (1) is provided with handle (2), and constant head tank (3) have been seted up on the inner wall surface of injection syringe (1) to the inboard of injection syringe (1) is provided with push rod (4), piston (5) are installed to the left end of push rod (4), and the outside of push rod (4) is provided with fixed block (6) to camera obscura (7) have been seted up to the inside of fixed block (6), the inboard of camera obscura (7) is provided with fixture block (8), and is connected with spring (9) between fixture block (8) and fixed block (6), spout (10) have been seted up to the left end outer wall of injection syringe (1), and the left end outside of injection syringe (1) is provided with movable block (11) to through-hole (12) have been seted up to the inside of movable block (11), injection syringe needle (13) are installed in the.

2. The drug delivery device for anesthesia of claim 1, wherein: an injection hole (101) is formed in the left end of the injection tube (1), the diameters of the injection hole (101) and the through hole (12) are the same, the positions of the injection hole (101) and the through hole (12) correspond to each other, and meanwhile the through hole (12) is communicated with an injection needle (13).

3. The drug delivery device for anesthesia of claim 1, wherein: the positioning groove (3) is distributed on the inner wall of the injection tube (1) in a spiral shape at equal intervals, and the positioning groove (3) and the clamping block (8) form a clamping sliding structure.

4. The drug delivery device for anesthesia of claim 1, wherein: the clamping block (8) and the fixing block (6) form an elastic telescopic structure through a spring (9), the fixing block (6) and the push rod (4) are of an integrated structure, and the fixing block (6) is in clearance fit with the injection tube (1).

5. The drug delivery device for anesthesia of claim 1, wherein: the left side of the upper end of the clamping block (8) is of an inclined plane structure, and the clamping block (8) and the blind groove (7) form a clamping sliding structure.

6. The drug delivery device for anesthesia of claim 1, wherein: a guide block (1101) is arranged on the outer side of the movable block (11), the guide block (1101) and the sliding groove (10) form a clamping sliding structure, and the movable block (11) and the injection tube (1) form a rotating structure.