CN216394945U

CN216394945U - Drug injection device for anesthesia

Info

Publication number: CN216394945U
Application number: CN202121882294.7U
Authority: CN
Inventors: 刘海玉; 刘世贵; 彭良缘
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-04-29
Anticipated expiration: 2031-08-12

Abstract

The embodiment of the application discloses medicine injection device for anesthesia, including the cylinder, the middle part joint of cylinder bottom has the syringe needle, the outer lane threaded connection of cylinder bottom has the screw ring, one side on cylinder top is connected with the stop collar, the inner chamber swing joint of stop collar has the locating lever, the bottom of locating lever and the top contact of screw ring, the bottom of the locating lever other end is connected with the connecting plate, the bottom of connecting plate is connected with the one end of cloth chi. The application provides a pair of medicine injection device for anesthesia, through the setting of screw ring, the user rotates the screw ring, and the screw ring can be in the direction one end at cylinder place, and during screw ring rebound, the screw ring promoted the locating lever to last, and the locating lever rebound, the locating lever restriction push rod inward movement's of being convenient for distance, the user uses the injection volume of control anesthetic that the device can be accurate, the device's of being convenient for use.

Description

Drug injection device for anesthesia

Technical Field

The application relates to the field of medical equipment, in particular to a drug injection device for anesthesia.

Background

Along with the continuous development of social economy, science and technology also continuously develops and innovates, people's life has had very big improvement, however, social development has also brought very big environmental pollution, the pollution of the environment of people's side makes people sick probability higher, some diseases need to move the operation just can be treated, need to anaesthetize the patient before the doctor carries out the operation, in order to reduce patient's misery, guarantee that the operation can go on smoothly, need to use the syringe to patient's anesthesia, but, syringe structure on the market is all very different now, thereby all need the anesthesiologist to inject the anesthesia to the patient with the hand to the syringe boosting, accomplish very accurate control to the volume of anesthetic hardly, the injection volume is too much or too little, can all bring very big discomfort or misery for the patient.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides an injection device for anesthetic, comprising a needle cylinder, wherein a needle head is clamped in the middle of the bottom of the needle cylinder, a threaded ring is connected to the outer ring of the bottom of the needle cylinder in a threaded manner, a stop collar is connected to one side of the top of the needle cylinder, the stop collar can move up and down by the cooperation of the stop collar and the threaded ring, a positioning rod is movably connected to the inner cavity of the stop collar, the bottom of the positioning rod contacts with the top of the threaded ring, through the arrangement of the threaded ring, a user rotates the threaded ring, the threaded ring can be located at one end of the needle cylinder, when the threaded ring moves up, the threaded ring pushes the positioning rod up, the positioning rod moves up, the positioning rod limits the inward movement distance of the push rod, the user can accurately control the injection amount of anesthetic by using the injection device, the use of the injection device is facilitated, and the bottom of the other end of the positioning rod is connected with a connecting plate, the bottom of connecting plate is connected with the one end of cloth chi, the other end of cloth chi is connected with the one end of torsional spring, just the surface at the torsional spring is twined to the cloth chi, one side swing joint on cylinder top has the dwang, the other end of torsional spring and the surface connection of dwang, just the surface at the dwang is twined to the torsional spring, through the setting of dwang, torsional spring and cloth chi, during the locating lever rebound, the connecting plate that the locating lever is connected with it upwards stimulates the cloth chi, and the partly and torsional spring separation of cloth chi, user can be accurate through the scale on the cloth chi judge the distance of locating lever rebound, are convenient for control anesthetic's injection volume, the inner chamber swing joint of cylinder has the piston, and the middle part at piston top is connected with the push rod, the top of push rod is connected with the horizontal pole.

Preferably, the outer surface of cylinder bottom is equipped with the external screw thread, external screw thread and screw ring adaptation, the both sides on cylinder top all are connected with the lug, and lug and horizontal pole are in mutually perpendicular's state, and through the setting of lug and horizontal pole position, convenient to use person uses the device to inject the anesthetic for the patient.

Preferably, the inboard of stop collar bottom is connected with the one end of spring, the other end of spring is connected with the bottom of locating lever, the stop collar is located the side of lug, and through the setting of spring, when the screw thread ring moves down, the locating lever is pressed downwards to the resilience force of spring, makes the bottom of locating lever and the top of screw thread ring contact all the time, is convenient for adjust the height of locating lever.

Preferably, the locating lever is located the below of horizontal pole, the top of locating lever flushes with the top of cylinder, one side of locating lever is equipped with the magnifying glass, the other end of magnifying glass and the surface connection of cylinder, the magnifying glass is located the outside of connecting plate, and through the setting of magnifying glass, the person of facilitating the use reads the number of graduations on the cloth ruler, and the person of facilitating the use judges the shift position of locating lever.

Preferably, the material of cylinder is transparent plastic, one side of cylinder surface is equipped with the scale mark, through the setting of cylinder material, the air of convenient to use person's discharge cylinder with observe the medicament, the setting of scale mark, the volume of the interior medicament of convenient to use person's control cylinder.

The application provides a pair of medicine injection device for anesthesia, through the setting of screw ring, the user rotates the screw ring, and the screw ring can be in the direction one end at cylinder place, and during screw ring rebound, the screw ring promoted the locating lever to last, and the locating lever rebound, the locating lever restriction push rod inward movement's of being convenient for distance, the user uses the injection volume of control anesthetic that the device can be accurate, the device's of being convenient for use.

The application provides a pair of medicine injection device for anesthesia, through the setting of spring, when the screw ring moves down, the locating lever is pressed downwards to the resilience force of spring, makes the bottom of locating lever and the top of screw ring contact all the time, is convenient for adjust the height of locating lever, through the setting of magnifying glass, and the person of facilitating the use reads the number of graduations on the cloth chi, and the person of facilitating the use judges the shift position of locating lever.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic front view of the novel structure;

FIG. 2 is a schematic bottom view of the novel structure of FIG. 1;

fig. 3 is a schematic diagram of the torsion spring with the novel structure.

In the figure: 1. a needle cylinder; 2. a needle head; 3. a push rod; 4. a cross bar; 5. a bump; 6. an external thread; 7. a threaded ring; 8. a limiting sleeve; 9. positioning a rod; 10. a spring; 11. rotating the rod; 12. a connecting plate; 13. a magnifying glass; 14. arranging a ruler; 15. a torsion spring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.

Referring to fig. 1, 2 and 3, a drug injection device for anesthesia comprises a needle cylinder 1, a needle 2 is clamped in the middle of the bottom of the needle cylinder 1, a threaded ring 7 is connected to the outer ring of the bottom of the needle cylinder 1 in a threaded manner, a limit sleeve 8 is connected to one side of the top of the needle cylinder 1, the limit sleeve 8 is used in cooperation with the threaded ring 7, a positioning rod 9 can move up and down, a positioning rod 9 is movably connected to the inner cavity of the limit sleeve 8, the bottom of the positioning rod 9 is in contact with the top of the threaded ring 7, through the arrangement of the threaded ring 7, a user rotates the threaded ring 7, the threaded ring 7 can be arranged at one end of the needle cylinder 1 in the direction, when the threaded ring 7 moves up, the threaded ring 7 pushes the positioning rod 9 upwards, the positioning rod 9 moves upwards, the positioning rod 9 can limit the inward movement distance of the push rod 3 conveniently, the user can accurately control the injection amount of anesthetic by using the device, and is convenient for use of the device, the bottom of the other end of the positioning rod 9 is connected with a connecting plate 12, the bottom of the connecting plate 12 is connected with one end of a cloth ruler 14, the other end of the cloth ruler 14 is connected with one end of a torsion spring 15, the cloth ruler 14 is wound on the outer surface of the torsion spring 15, one side of the top end of the needle cylinder 1 is movably connected with the rotating rod 11, the other end of the torsion spring 15 is connected with the outer surface of the rotating rod 11, the torsion spring 15 is wound on the outer surface of the rotating rod 11, through dwang 11, torsional spring 15 and cloth chi 14's setting, during locating lever 9 rebound, connecting plate 12 that locating lever 9 is connected through it upwards stimulates cloth chi 14, cloth chi 14 partly and torsional spring 15 separation, the user can be accurate through the scale on the cloth chi 14 distance of judging that locating lever 9 moved upwards, be convenient for control anesthetic's injection volume, the inner chamber swing joint of cylinder 1 has the piston, the middle part at piston top is connected with push rod 3, the top of push rod 3 is connected with horizontal pole 4.

The surface of 1 bottom of cylinder is equipped with external screw thread 6, and external screw thread 6 and threaded ring 7 adaptation, the both sides on 1 top of cylinder all are connected with lug 5, and lug 5 and horizontal pole 4 are in mutually perpendicular's state, through the setting of lug 5 and horizontal pole 4 positions, and convenient to use person uses the device to inject the anesthetic for the patient.

The inboard of stop collar 8 bottom is connected with the one end of spring 10, and the other end of spring 10 is connected with the bottom of locating lever 9, and stop collar 8 is located the side of lug 5, and through the setting of spring 10, when threaded ring 7 moves down, locating lever 9 is pressed downwards to spring 10's resilience force, makes the bottom of locating lever 9 and the top of threaded ring 7 contact all the time, is convenient for adjust the height of locating lever 9.

Locating lever 9 is located the below of horizontal pole 4, and the top of locating lever 9 flushes with the top of cylinder 1, and one side of locating lever 9 is equipped with magnifying glass 13, and the other end of magnifying glass 13 and the surface connection of cylinder 1, magnifying glass 13 are located the outside of connecting plate 12, and the middle part of magnifying glass 13 is equipped with the location line, and through the setting of magnifying glass 13, the person of facilitating the use reads the number of scales on cloth chi 14, and the person of facilitating the use judges the shift position of locating lever 9.

The material of cylinder 1 is transparent plastic, and one side of cylinder 1 surface is equipped with the scale mark, through the setting of cylinder 1 material, the air of the person of facilitating the use in discharge cylinder 1 and observe the medicament, the setting of scale mark, the volume of the interior medicament of the person of facilitating the use control cylinder 1.

To sum up, the user draws the appropriate amount of anesthetic with the device, the user upwards rotates threaded ring 7, threaded ring 7 upwards promotes locating lever 9, when the top of locating lever 9 contacts with the bottom of horizontal pole 4, the user stops to rotate threaded ring 7 and records the cloth chi 14 scale degree behind the positioning line, the user is reverse to rotate threaded ring 7, threaded ring 7 moves down, the resilience force of spring 10 promotes locating lever 9 downwards, locating lever 9 moves down, the distance increase between locating lever 9 and horizontal pole 4, the user is as required the dose of the injection, adjust the distance between locating lever 9 and horizontal pole 4, when the user injects the medicament, locating lever 9 can restrict the removal of horizontal pole 4, the user can be accurate control the injection volume of medicament with the device.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A drug injection device for anesthesia comprises a needle cylinder (1) and is characterized in that a needle head (2) is clamped in the middle of the bottom of the needle cylinder (1), a threaded ring (7) is connected to the outer ring of the bottom of the needle cylinder (1) in a threaded manner, a limiting sleeve (8) is connected to one side of the top end of the needle cylinder (1), a positioning rod (9) is movably connected to the inner cavity of the limiting sleeve (8), the bottom of the positioning rod (9) is in contact with the top of the threaded ring (7), a connecting plate (12) is connected to the bottom of the other end of the positioning rod (9), the bottom of the connecting plate (12) is connected with one end of a cloth ruler (14), the other end of the cloth ruler (14) is connected with one end of a torsion spring (15), the cloth ruler (14) is wound on the outer surface of the torsion spring (15), and a rotating rod (11) is movably connected to one side of the top end of the needle cylinder (1), the other end of torsional spring (15) and the surface connection of dwang (11), just torsional spring (15) winding is at the surface of dwang (11), the inner chamber swing joint of cylinder (1) has the piston, and the middle part at piston top is connected with push rod (3), the top of push rod (3) is connected with horizontal pole (4).

2. The injection device for the drugs for anesthesia as set forth in claim 1, wherein the outer surface of the bottom end of the cylinder (1) is provided with an external thread (6), the external thread (6) is adapted to the threaded ring (7), and the two sides of the top end of the cylinder (1) are connected with the protrusions (5).

3. A drug injection device for anesthesia as defined in claim 1, wherein the inner side of the bottom of said stop collar (8) is connected to one end of a spring (10), the other end of said spring (10) is connected to the bottom end of a positioning rod (9), and said stop collar (8) is located at the side of the protrusion (5).

4. The injection device for the drugs for anesthesia as set forth in claim 1, wherein said positioning rod (9) is located below the cross rod (4), the top of said positioning rod (9) is flush with the top of the needle cylinder (1), a magnifying glass (13) is provided on one side of said positioning rod (9), the other end of said magnifying glass (13) is connected with the outer surface of the needle cylinder (1), said magnifying glass (13) is located outside the connecting plate (12).

5. The injection device for narcotic drugs as claimed in claim 1, wherein the syringe (1) is made of transparent plastic, and one side of the outer surface of the syringe (1) is provided with scale marks.