CN219110441U

CN219110441U - Anesthesia injection device

Info

Publication number: CN219110441U
Application number: CN202222455172.0U
Authority: CN
Inventors: 李桂朋; 李玉鹤; 张艳军
Original assignee: 8th Medical Center of PLA General Hospital
Current assignee: 8th Medical Center of PLA General Hospital
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-06-02
Anticipated expiration: 2032-09-16

Abstract

The utility model belongs to the field of medical appliances, and particularly relates to an anesthesia injection device, which comprises a needle cylinder, wherein one end of the needle cylinder is provided with a needle head, the other end of the needle cylinder is slidably provided with a push rod, the push rod extends out of a connecting slide block with one end of the needle cylinder and is slidably limited by a locking mechanism, the side surface of the push rod is provided with scale marks, the push rod slidably passes through a fixed block, the fixed block is connected with the needle cylinder and is positioned between the needle cylinder and the slide block.

Description

Anesthesia injection device

Technical Field

The utility model belongs to the field of medical instruments, and particularly relates to an anesthesia injection device.

Background

Anesthesia is generally considered to be a reversible inhibition of central and peripheral nervous system by drugs or other means, which is characterized primarily by the loss of sensation, particularly pain.

In the anesthesia operation process, an injector is generally required to inject anesthetic into a patient, and the anesthetic is generally required to be injected quantitatively, however, although the current injector is provided with graduation marks on the side surface, namely the side surface of a needle cylinder, in the actual injection process, medical staff needs to observe the graduation marks at any time, and errors are caused due to parallax, so that quantitative injection and operation are inconvenient.

Disclosure of Invention

The utility model aims to provide an anesthesia injection device which solves the defects in the prior art.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:

the utility model provides an anesthesia injection device, includes the cylinder, cylinder one end is provided with the syringe needle, and the other end slidable is provided with the push rod, the push rod extends the one end slidable connection slider of cylinder, the slider passes through locking mechanism spacing, the push rod side is provided with the scale mark, the slidable of push rod passes the fixed block, the fixed block is connected the cylinder, and be located the cylinder with between the slider.

Further, the sliding block is provided with a sliding hole matched with the push rod, and the push rod passes through the sliding hole.

Further, the locking mechanism comprises a screw rod which is in threaded connection with the side face of the sliding block, and the end part of the screw rod is abutted against the side face of the push rod.

Further, one end of the screw, which is far away from the push rod, is fixedly connected with the poking plate.

Further, the side face of the fixed block is detachably connected with the outer side face of the needle cylinder through the support.

Further, the outer side surface of the needle cylinder is fixedly connected with finger rings, two finger rings are symmetrically arranged and positioned on two sides of the needle cylinder, two brackets are symmetrically arranged and respectively detachably connected with the two finger rings.

Further, the support includes the connecting rod, the one end fixed connection of connecting rod the side of fixed block, other end fixed connection fixture block, the fixture block be provided with the arc wall of ring adaptation, the ring embedding is in the arc wall, the fixture block with the ring can dismantle and be connected.

Further, the clamping block is connected with the finger ring through a screw.

The utility model has the following beneficial effects: according to the utility model, the injection stroke of the push rod, namely the specific position of the sliding block, is regulated before injection to control the injection quantity of the anesthetic, so that the push rod is only required to be pushed in the injection process, and the scale marks are not required to be observed at any time, thereby achieving the beneficial effect of being convenient for accurately and quantitatively injecting the anesthetic.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

fig. 3 is a schematic diagram of a top view connection relationship of a slider.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 3 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, an anesthetic injection device comprises a syringe 1, wherein a needle 2 is arranged at one end of the syringe 1, a push rod 4 is slidably arranged at the other end of the syringe, the push rod 4 extends out of a connecting slide block 7 of one end of the syringe 1, the slide block 7 is limited by a locking mechanism, graduation marks are arranged on the side surface of the push rod 4, the push rod 4 slidably passes through a fixing block 9, and the fixing block 9 is connected with the syringe 1 and is positioned between the syringe 1 and the slide block 7.

Specifically, the syringe 1 is in the prior art, one end of the syringe 1 is connected with the needle 2 in the prior art, the other end is provided with an opening, one end of the push rod 4 penetrates through the opening and is located in the syringe 1, and one end of the push rod 4 located in the syringe 1 is fixedly connected with the piston 5, so that in the process of moving the push rod 5, the piston 5 pushes the medicament to be injected or sucked out, one end of the push rod 4 far away from the piston 5 is detachably connected with the pressing piece 6, and can be detachably connected in a threaded mode, a screw mode, a buckling mode and the like, so that in the direction from top to bottom in fig. 1, the parts on the push rod 4 are sequentially provided with the piston 5, the fixing block 9, the slide block 7 and the pressing piece 6, the fixing block 9 is provided with a through hole, the push rod 4 penetrates through the through hole, the fixing block 9 serves as a limit slide block 7, when the slide block 7 moves to be in contact with the fixing block 9, the push rod 4 can not push the medicament any more, the purpose of restricting the stroke of the push rod 4 when the push rod 4 pushes the medicament is achieved, then the position of the slide block 7 is adjusted, and the position of the slide block 7 is observed to be corresponding to the position of a scale mark on the push rod 4, so that the purpose of accurately adjusting the stroke of the push rod 4 can be realized, and finally, the purpose of accurately and quantitatively injecting medicament can be achieved.

In specific implementation, the medical staff slides the position of the sliding block 7 firstly and observes the position of the sliding block 7 on the scale mark, then locks through the locking mechanism, then the medical staff inserts the needle head 2 into the medicament bottle, pushes the push rod 4 to suck medicament into the needle cylinder 1, the medicament can be mixed anesthetic, and then carries out anesthetic injection operation on a patient after the completion, namely pushes the push rod 4 to complete injection, when the sliding block 7 is contacted with the fixed block 9, the push rod 4 cannot push, the injected medicament reaches the preset volume at the moment, and finally the quantitative injection of the anesthetic is completed.

In addition, the scale mark is prior art, evenly distributed at the lateral surface of push rod 4, and along the axial distribution of push rod 4, push rod 4 is the cylinder, and is hollow structure to play the purpose of subtracting the weight.

Further, the sliding block 7 is provided with a sliding hole matched with the push rod 4, and the push rod 4 passes through the sliding hole.

Specifically, the sliding block 7, the fixed block 9 and the push rod 4 are in clearance fit.

Further, as shown in fig. 3, an indication arrow is provided on the upper end surface of the slider 7 so as to align the scale lines to indicate the scale.

Further, the locking mechanism comprises a screw rod 8, the screw rod 8 is in threaded connection with the side face of the sliding block 7, and the end part of the screw rod is abutted against the side face of the push rod 4.

Specifically, the side of slider 7 is provided with the screw hole, and the screw hole is the structure of through-hole, and the slide hole of intercommunication slider 7, screw rod 8 threaded connection screw hole rotates screw rod 8, can make the lateral surface of screw rod extrusion push rod 4 to under the effect of frictional force, keep the relative fixation of slider 7 and push rod 4, and when slider 7 contact fixed block 9, slider 7 does not take place to slide.

Further, one end of the screw rod 8, which is far away from the push rod 4, is fixedly connected with a poking plate.

In particular, the function of the paddle is to facilitate the rotation of the screw 8 by the medical practitioner.

Further, the side surface of the fixed block 9 is detachably connected with the outer side surface of the needle cylinder 1 through a bracket.

In particular, the purpose of the bracket is to keep the fixed block 9 fixed to act as a limit slider 7.

Further, the outer side surface of the needle cylinder 1 is fixedly connected with two finger rings 3, the two finger rings 3 are symmetrically arranged and positioned on two sides of the needle cylinder 1, and the two finger rings 3 are symmetrically arranged and detachably connected with each other.

Specifically, the ring 3 has a ring-shaped structure, and the ring 3 has the function of allowing a medical worker to insert two fingers and the thumb to press the pressing piece 6, thereby achieving the purpose of facilitating operation and also achieving the purpose of connecting the support.

Further, the support includes connecting rod 10, the one end fixed connection of connecting rod 10 the side of fixed block 9, the other end fixed connection fixture block 11, fixture block 11 be provided with the arc wall of ring 3 adaptation, ring 3 embedding is in the arc wall, fixture block 11 with ring 3 can dismantle the connection.

Specifically, the flat annular structure of ring 3, fixture block 11 are located the below of ring 3, through arc wall joint on ring 3, and connecting rod 10 slope sets up, and connecting rod 10 on two supports is "V" font and distributes, can improve the stability of structure to can dismantle the structure of being connected between fixture block 11 and the ring 3 and still be convenient for install, demolish whole device, can make push rod 4 break away from cylinder 1, thereby realize the purpose of being convenient for processing equipment.

Further, the clamping block 11 is connected with the finger ring 3 through a screw.

Specifically, a plurality of screws can be arranged, and the clamping blocks 11 and the finger ring 3 can be connected in an interference fit mode.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications, variations, alterations, substitutions made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims

1. The utility model provides an anesthesia injection device, includes cylinder (1), cylinder (1) one end is provided with syringe needle (2), and the other end slidable is provided with push rod (4), its characterized in that: the utility model discloses a syringe, including needle cylinder (1), push rod (4), slider (7), locking mechanism, fixed block (9) are passed in push rod (4) slidable, push rod (4) extend one end slidable connection slider (7) of needle cylinder (1), slider (7) are spacing through the locking mechanism, push rod (4) side is provided with the scale mark, fixed block (9) are connected in slidable pass of push rod (4) needle cylinder (1), and are located between needle cylinder (1) and slider (7).

2. An anesthesia injection device according to claim 1, characterized in that: the sliding block (7) is provided with a sliding hole matched with the push rod (4), and the push rod (4) passes through the sliding hole.

3. An anesthesia injection device according to claim 2, characterized in that: the locking mechanism comprises a screw rod (8), the screw rod (8) is in threaded connection with the side face of the sliding block (7), and the end part of the screw rod is abutted against the side face of the push rod (4).

4. An anesthesia injection device according to claim 3, characterized in that: one end of the screw rod (8) far away from the push rod (4) is fixedly connected with a poking plate.

5. An anesthesia injection device according to claim 1, characterized in that: the side surface of the fixed block (9) is detachably connected with the outer side surface of the needle cylinder (1) through a bracket.

6. An anesthesia injection device according to claim 5 wherein: the needle cylinder is characterized in that finger rings (3) are fixedly connected to the outer side face of the needle cylinder (1), two finger rings (3) are symmetrically arranged and located on two sides of the needle cylinder (1), two brackets are symmetrically arranged and respectively detachably connected with the two finger rings (3).

7. An anesthesia injection device according to claim 6 wherein: the support comprises a connecting rod (10), one end of the connecting rod (10) is fixedly connected with the side face of the fixed block (9), the other end of the connecting rod is fixedly connected with a clamping block (11), the clamping block (11) is provided with an arc groove matched with the finger ring (3), the finger ring (3) is embedded in the arc groove, and the clamping block (11) is detachably connected with the finger ring (3).

8. An anesthesia injection device according to claim 7 wherein: the clamping block (11) is connected with the finger ring (3) through a screw.