CN215426634U - Department of anesthesia is with device of dosing - Google Patents

Abstract

The utility model relates to the technical field of medical instruments and discloses a drug delivery device for anesthesia department, which comprises an injection gun, wherein an injection needle is arranged at the front end of the injection gun, the injection gun is provided with a hollow inner cavity, a piston cylinder is arranged in the hollow inner cavity and is connected with the injection needle through a drug delivery pipe, a piston is arranged in the piston cylinder and is connected with an L-shaped piston rod, the piston rod extends out of the hollow inner cavity, a trigger is fixedly arranged at the tail end of the piston rod, a sliding rod parallel to the piston is arranged on the outer wall of the injection gun, the trigger is arranged on the sliding rod in a sliding manner, scale lines are arranged on the sliding rod, and a positioning block for positioning scales is also arranged on the sliding rod in a sliding manner. The utility model is more convenient to operate, and the quantitative medicine taking is realized by arranging the scale marks on the slide bar and sliding the positioning hole to the position of the dose scale mark required to be filled each time, so that the medicine is accurately filled and metered.

Description

Department of anesthesia is with device of dosing

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a drug delivery device for an anesthesia department.

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. most of the existing anesthetics are administrated in a mode of injecting by using an injector, the hand operated by a single hand is easy to shake, and the injection is inconvenient.

Therefore, how to solve the above problems becomes a focus of research by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drug delivery device for an anesthesia department, which overcomes the defects of the prior art.

The embodiment of the utility model is realized by the following steps:

the utility model provides a department of anesthesia is with device of dosing, includes the injection rifle, and the front end of injection rifle is provided with the syringe needle, the injection rifle has the cavity inner chamber, be provided with a piston section of thick bamboo in the cavity inner chamber, a piston section of thick bamboo is through sending the union coupling the syringe needle, be provided with the piston in the piston section of thick bamboo, the piston rod is connected with the piston rod of "L" type, the piston rod extends to outside the cavity inner chamber and is provided with the trigger at the end is fixed, be provided with the slide bar parallel with the piston on the outer wall of injection rifle, the trigger slide set up in be provided with the scale mark on the slide bar, and still slide on the slide bar and be provided with the locating piece that is used for the location scale.

Furthermore, a medicine storage barrel is arranged on the side wall of the tail part of the injection gun, the medicine storage barrel is connected with the piston barrel through a medicine injection pipe, and a check valve enabling the anesthetic to flow from one side of the medicine storage barrel to one side of the piston barrel is arranged on the medicine injection pipe.

Furthermore, a connector with a hole is integrally formed at the front end of the injection gun, an inner lining plate is arranged in the hole of the connector, a plurality of liquid permeating holes are formed in the inner lining plate, an adjusting seat is rotatably connected to the connector and provided with a plurality of liquid leaking holes, and the adjusting seat can be rotated to change the overlapping area between the liquid permeating holes and the liquid leaking holes.

Further, the end of the adjusting seat far away from the connector is in threaded connection with the injection needle.

Further, the both ends inner wall of adjusting the seat all is provided with the seal groove, be provided with the sealing ring with connector and the sealed laminating of syringe needle outer wall in the seal groove respectively.

The utility model has the beneficial effects that:

the utility model adopts the principle similar to water injection of a water gun, so that the anesthetic can be injected more conveniently, and in addition, the scale marks are arranged on the slide rod, and the positioning hole is slid to the dose scale mark required to be injected each time, so that the dose is accurately injected and metered, and the quantitative medicine taking is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a drug delivery device for anesthesia department provided by the present invention;

FIG. 2 is a schematic structural diagram of a connecting head;

fig. 3 is a schematic structural view of the adjustment seat.

Icon: 1-an injection gun, 2-a gun holder, 3-a tail holder, 4-a piston cylinder, 5-a piston, 6-a piston rod, 7-a trigger, 8-a slide bar, 9-a scale mark, 10-a positioning block, 11-a medicine storage cylinder, 12-a medicine injection pipe, 13-a one-way valve, 14-a medicine delivery pipe, 15-a connector, 16-a lining plate, 17-a liquid permeation hole, 18-an adjusting seat, 19-a liquid leakage hole, 20-an injection needle and 21-a sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 to 3, the present embodiment provides a drug delivery device for anesthesia department, including an injection gun 1, the injection gun 1 has a hollow inner cavity, the hollow inner cavity can be used to reduce the weight of the injection gun 1, a piston cylinder 4 is fixedly disposed inside the hollow inner cavity, the piston cylinder 4 is parallel to the injection gun 1, a piston 5 is disposed at one end of the piston cylinder 4 close to the gun tail of the injection gun 1, the piston 5 is connected with an "L" -shaped piston rod 6, the piston rod 6 extends from the piston 5 to the outside of the hollow inner cavity, and a trigger 7 is fixedly connected to the end of the piston rod 6, a gun holder 2 is disposed at the bottom of the injection gun 1, a slide bar 8 parallel to the gun body of the injection gun 1 is fixedly disposed on the gun holder 2, the trigger 7 is slidably disposed on the slide bar 8 and slides along the slide bar 8, so as to link the piston rod 6 to drive the piston 5 to reciprocate, the piston cylinder 4 is used for sucking and discharging the anesthetic. The slide bar 8 is provided with scale marks 9, the slide bar 8 is further sleeved with a positioning block 10, the positioning holes are pushed to the corresponding scale marks 9 according to the anesthetic dosage required to be injected each time, and the trigger 7 is pulled to abut against the positioning block 10, so that quantitative and accurate medicine taking is realized.

The injection hole has been seted up to injection gun 1's front end, piston barrel 4 is close to the one end that is close to in injection gun 1 rifle tail and is provided with medicine feed tube 14, medicine feed tube 14 meets with the injection hole, still is provided with the tail at injection gun 1's afterbody outer wall and holds in the palm 3, be provided with storage cartridge case 11 on the tail holds in the palm 3, is used for depositing the narcotic in the storage cartridge case 11, storage cartridge case 11 is connected with piston barrel 4 through injection pipe 12, be provided with the check valve 13 that only allows the narcotic to flow to piston barrel 4 one side from storage cartridge case 11 one side on injection pipe 12, can prevent through check valve 13 when compression piston 5 notes medicine, that the liquid medicine from getting into storage cartridge case 11.

The front end integrated into one piece of injection gun 1 has connector 15, connector 15 has the communicating round hole with the injection hole, be provided with interior welt 16 in the round hole, interior welt 16 is sealed with the round hole, is provided with a plurality of liquid holes 17 on the interior welt 16, the one end that injection gun 1 was kept away from to connector 15 has the convex shoulder, threaded connection has the regulation seat 18 on the convex shoulder, be provided with a plurality of weeping holes 19 on the regulation seat 18, rotate it can make the area of coincidence between weeping hole 19 and the liquid hole 17 change to adjust the dose of flowing through, make the device can adjust injection rate, can adjust injection rate through this structure, avoid injection rate to bring discomfort for the weak patient of physique too fast, improved the practicality of device. Adjust the seat 18 and keep away from one end threaded connection of connector 15 and have a syringe needle 20 head, be provided with the seal groove simultaneously at the both ends inside wall of adjusting seat 18, be provided with respectively in the seal groove with connector 15 and the sealed sealing ring 21 of laminating of syringe needle 20 outer wall to guarantee the leakproofness.

As can be seen from the above, the drug delivery device for anesthesia department provided in the present embodiment is used in the following manner:

firstly, the adjusting plate is rotated to change the overlapping area of the liquid leakage holes 19 and the liquid permeation holes 17 so as to control the liquid outlet rate;

then, the trigger 7 is moved towards one side of the gun head of the injection gun 1, the piston 5 is linked to move through the piston rod 6, and the anesthetic in the medicine storage barrel 11 is sucked into the piston barrel 4;

and finally, the trigger 7 is pulled to move towards one side of the gun tail of the injection gun 1, the piston 5 is linked to move through the piston rod 6, the anesthetic in the drug storage barrel 11 is pressed out of the piston barrel 4 and enters the injection hole, and the injection of the anesthetic is completed through the injection needle 20.

As can be seen from the above, the drug delivery device for anesthesia department provided in this embodiment has the following advantages:

1. the gun support is held by hand, and the trigger is pulled by fingers to finish the injection of the anesthetic.

2. Through setting up the scale mark on the slide bar, the dose of injecting as required places the locating piece in the scale mark that the slide bar corresponds, then pulls the trigger and offsets to the locating piece, just informs to continue to pull the trigger, makes the device can carry out ration through this structure and get it filled, inject, avoids causing the medicament to get the volume too much and extravagant and the too big influence health of injection dose.

3. Through rotating the adjusting seat, the coincident area between the liquid leakage hole and the liquid permeation hole can be changed, so that the flowing amount of the medicine is changed, the injection speed can be adjusted, the phenomenon that the injection speed is too fast to bring discomfort to a patient with weak constitution is avoided, and the practicability of the device is improved

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A drug delivery device for anesthesia department is characterized in that: including injection gun (1), the front end of injection gun (1) is provided with syringe needle (20), injection gun (1) has the cavity inner chamber, be provided with piston cylinder (4) in the cavity inner chamber, piston cylinder (4) are connected through sending pencil (14) syringe needle (20), be provided with piston (5) in piston cylinder (4), piston (5) are connected with piston rod (6) of "L" type, piston rod (6) extend to outside the cavity inner chamber and at the fixed trigger (7) that is provided with of end, be provided with slide bar (8) parallel with piston (5) on the outer wall of injection gun (1), trigger (7) slide set up in slide bar (8), be provided with scale mark (9) on slide bar (8), and still slide on slide bar (8) and be provided with locating piece (10) that are used for the location scale.

2. The drug delivery device for anesthesia department according to claim 1, characterized in that: be provided with on the afterbody lateral wall of injection gun (1) and store up cartridge case (11), it is connected with piston cylinder (4) to store up cartridge case (11) through injection pipe (12), be provided with on injection pipe (12) and make the narcotic from storing up the check valve of cartridge case (11) one side flow direction piston cylinder (4) one side.

3. The drug delivery device for anesthesia department according to claim 1, characterized in that: the injection gun is characterized in that a connector (15) with a hole is integrally formed at the front end of the injection gun (1), an inner lining plate (16) is arranged in the hole of the connector (15), a plurality of liquid permeating holes (17) are formed in the inner lining plate (16), an adjusting seat (18) is rotatably connected to the connector (15), the adjusting seat (18) is provided with a plurality of liquid leaking holes (19), and the adjusting seat (18) is rotated to change the overlapping area between the liquid permeating holes (17) and the liquid leaking holes (19).

4. The drug delivery device for anesthesia department according to claim 3, characterized in that: one end of the adjusting seat (18) far away from the connector (15) is in threaded connection with the injection needle (20).

5. The drug delivery device for anesthesia department according to claim 4, characterized in that: the both ends inner wall of adjusting seat (18) all is provided with the seal groove, be provided with respectively in the seal groove with connector (15) and syringe needle (20) outer wall sealing laminating's sealing ring (21).

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