CN212090430U

CN212090430U - Anesthetic injection device

Info

Publication number: CN212090430U
Application number: CN202020163469.8U
Authority: CN
Inventors: 张瑞梅; 王芸芸; 周建莹; 范红帅
Original assignee: Juxian Peoples Hospital
Current assignee: Juxian Peoples Hospital
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-12-08
Anticipated expiration: 2030-02-12

Abstract

The embodiment of the application discloses anesthetic injection device, including the cylinder, the piston head has been cup jointed in the embedded activity of cylinder, the fixed cover in one side of piston head has been connected with the piston rod, the fixed cover in one side that the piston rod was kept away from to the cylinder has been connected with first connector, and the inner chamber fixed mounting of first connector has the fixed bolster, and one side fixed mounting that the fixed bolster is close to the piston head has the pressure spring. The application provides a pair of anesthetic injection device, one side through at the cylinder sets up a second connector, then be in the same place second connector and outer connector connection, thereby communicate the inner chamber of cylinder and the inner chamber of stock solution bottle, make the reserve medicament in the stock solution bottle can be drawn when the medicine is not enough, need not to extract the syringe needle and get it filled again, be provided with the structure the same in the second connector simultaneously with first connector, make the medicament in the cylinder can't enter into in the stock solution bottle, and the medicament in the stock solution bottle can be very relaxed in entering into the cylinder, the practicality of device has been improved.

Description

Anesthetic injection device

Technical Field

The present application relates to the field of medical devices, and more particularly, to an anesthetic injection device.

Background

Anesthesia is various methods adopted for eliminating pain, ensuring patient safety and creating good anesthesia operation conditions during operation or diagnostic examination operation, and is also used for controlling pain, when the operation or diagnostic examination operation is performed, the patient feels pain, so that the patient needs to be temporarily unconscious by using anesthetic or other methods, when the patient is anesthetized, an anesthetic needle is used, when local anesthesia is performed on the body of the patient, the dosage of anesthetic is usually controlled according to the size of the operated area, the dosage of the anesthetic of the existing anesthetic needle can only be infused according to the medical experience of a doctor, so that partial human body difference causes incomplete anesthesia, or the dosage of the anesthetic is insufficient, the anesthetic needs to be taken again for injecting anesthesia again, meanwhile, the area with large dosage also needs to be injected repeatedly, the patient is damaged for many times, and time is wasted, an anesthetic injection device is proposed for this purpose.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides an anesthetic injection device, which has the advantages of being capable of adjusting the dosage at any time, not requiring repeated medicine taking and injection, and having high use comfort, and solves the problems of the background art.

The application provides the following technical scheme: the utility model provides an anesthetic injection device, includes the cylinder, the piston head has been cup jointed in the embedded activity of cylinder, the fixed cover in one side of piston head has been connected the piston rod, the fixed cover in one side that the piston rod was kept away from to the cylinder has first connector, the inner chamber fixed mounting of first connector has the fixed bolster, one side fixed mounting that the fixed bolster is close to the piston head has the pressure spring, the other end fixed mounting of pressure spring has sealed head, one side fixed mounting that first connector inner chamber is close to the piston head has the sealing ring, the outer fixed cover of surface of first connector has connect outer loop bar, the fixed cover of the other end of outer loop bar has connected the syringe needle, one side of cylinder surface is fixed to have been cup jointed the second connector, fixed the outer connector that has cup jointed on the second connector.

Preferably, the length value of the piston rod is larger than that of the inner cavity of the syringe, the piston rod is T-shaped, and the maximum diameter value of the piston rod is larger than that of the inner cavity of the syringe.

Preferably, the shape of fixed bolster is the cross, and the middle part shape of fixed bolster is circular, the circular diameter value in fixed bolster middle part is greater than the diameter value of pressure spring.

Preferably, the shape of the sealing head is circular, a small round cake with a diameter value smaller than the diameter value of the middle opening of the sealing ring is fixedly mounted on one side of the sealing head, and the diameter value of the sealing head is larger than the diameter value of the middle opening of the sealing ring.

Preferably, the liquid storage bottle is made of soft transparent materials, and scales are engraved in the middle of two sides of the liquid storage bottle.

Has the advantages that:

the utility model provides an anesthetic injection device, through set up a second connector in one side of cylinder, then link together second connector and external connection mouth, thereby communicate the inner chamber of cylinder with the inner chamber of stock solution bottle, make can absorb the reserve medicament in the stock solution bottle when the medicament is not enough, need not to extract the syringe needle and get it filled again, be provided with the same structure in the second connector with in the first connector simultaneously, make the medicament in the cylinder can't enter the stock solution bottle, and the medicament in the stock solution bottle can very light enter the cylinder, the practicality of device has been improved, simultaneously through set up a fixed bolster in the first connector and be used for supporting the pressure spring, and utilize the pressure spring to support the sealing head in one side of sealing ring, and seal the opening of sealing ring, make the flow direction of medicament can only flow to in the syringe needle from the inner chamber of cylinder, thereby realized the function of preventing suck-down, avoids the injury to the patient for many times caused by improper operation, and improves the safety of the device.

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 shows a schematic cross-sectional view of the structure of the present application;

figure 2 shows a schematic view of a first connector of the structure of the present application.

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 to 2, an anesthetic injection device includes a syringe 1, a piston head 2 is movably sleeved in an embedded manner in the syringe 1, a piston rod 3 is fixedly sleeved on one side of the piston head 2, a length value of the piston rod 3 is greater than a length value of an inner cavity of the syringe 1, the piston rod 3 is T-shaped, a maximum diameter value of the piston rod 3 is greater than a diameter value of the inner cavity of the syringe 1, the length value of the piston rod 3 is set to be greater than the length value of the inner cavity of the syringe 1, so that the piston rod 3 can push the piston head 2 to the top end of the inner cavity of the syringe 1, thereby completely injecting a medicament in the syringe 1 into a human body, avoiding waste caused by the residual medicament, improving reliability of the device, meanwhile, the shape of the piston rod 3 is set to be T-shaped, the maximum diameter value of the piston rod 3 is set to be greater than the diameter value, the fluency of the device is improved, one side of the needle cylinder 1, which is far away from the piston rod 3, is fixedly sleeved with the first connector 4, the inner cavity of the first connector 4 is fixedly provided with the fixed support 5, the fixed support 5 is in a cross shape, the middle part of the fixed support 5 is in a circular shape, the circular diameter value of the middle part of the fixed support 5 is larger than the diameter value of the pressure spring 6, the cross-shaped fixed support 5 is arranged for supporting the position of the pressure spring 6, the circular diameter value of the middle part of the fixed support 5 is set to be larger than the diameter value of the pressure spring 6, so that the fixed support 5 can support the pressure spring 6 more stably, the stability of the device is improved, one side of the fixed support 5, which is close to the piston head 2, is fixedly provided with the pressure spring 6, the other end of the pressure spring 6 is fixedly provided with the sealing head 7, the sealing head 7 is in a circular shape, and, the diameter value of the sealing head 7 is larger than the diameter value of the middle opening of the sealing ring 8, the shape of the sealing head 7 is set to be circular, and the diameter value of the sealing head 7 is set to be larger than the diameter value of the middle opening of the sealing ring 8, so that the sealing head 7 can plug the opening of the sealing ring 8 to avoid suck back, meanwhile, the middle part of the sealing head 7 is provided with a small round cake of which the diameter value is smaller than the diameter value of the opening of the sealing ring 8, thereby the sealing head 7 seals the opening of the sealing ring 8 more tightly, the practicability of the device is improved, one side of the inner cavity of the first connector 4, which is close to the piston head 2, is fixedly provided with the sealing ring 8, the outer surface of the first connector 4 is fixedly sleeved with an outer loop bar 9, the other end of the outer loop bar 9 is fixedly sleeved with a needle head 10, one side of the, outer connector 12 fixed mounting is in the bottom of stock solution bottle 13, stock solution bottle 13 is soft transparent material, the scale is carved with at the middle part of stock solution bottle 13 both sides, set up the material of stock solution bottle 13 into soft transparent, make the volume of the inside anesthetic of stock solution bottle 13 of observation from the external world, thereby the injection volume of judgement anesthetic that can be accurate is enough, be provided with the supplementary observation of scale simultaneously on stock solution bottle 13, thereby the injection volume of control anesthetic that can be more accurate, the security of device has been improved.

To sum up, when in use, firstly, a suction head is connected to the second connector 11 to suck anesthetic into the inner cavity of the syringe 1, then anesthetic is injected into the liquid storage bottle 13, the external connector 12 at the bottom of the liquid storage bottle 13 is connected to the second connector 11, the outer sleeve rod 9 is connected to the first connector 4 to start injection anesthesia, when the used anesthetic in the inner cavity of the syringe 1 is injected and the dosage is insufficient, the piston rod 3 is pulled again to drive the piston head 2 to slide to suck the anesthetic in the liquid storage bottle 13, and simultaneously the first connector 4 is completely sealed by the matching of the sealing head 7 and the sealing ring 8, so that the body of a patient is prevented from being injured while the anesthetic in the liquid storage bottle 13 is sucked, and when in injection, the second connector 11 can be sealed by the matching of the sealing head 7 and the sealing ring 8 in the second connector 11, thereby preventing the medicament from entering the liquid storage bottle 13 again, and discarding the medicament into medical waste for treatment after the medicament is used.

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. An anesthetic injection device comprising a syringe (1), characterized in that: the piston head (2) is sleeved with the embedded activity of the needle cylinder (1), the piston rod (3) is fixedly sleeved on one side of the piston head (2), the first connecting head (4) is fixedly sleeved on one side, away from the piston rod (3), of the needle cylinder (1), the fixing support (5) is fixedly installed in the inner cavity of the first connecting head (4), the pressure spring (6) is fixedly installed on one side, close to the piston head (2), of the fixing support (5), the sealing head (7) is fixedly installed at the other end of the pressure spring (6), the sealing ring (8) is fixedly installed on one side, close to the piston head (2), of the inner cavity of the first connecting head (4), the outer sleeve rod (9) is sleeved with the outer sleeve rod (9) in the outer fixing mode, the needle head (10) is fixedly sleeved with the other end of the outer sleeve rod (9), the second connecting head (, the fixed cover is connected with outer connector (12) on second connector (11), outer connector (12) fixed mounting is in the bottom of stock solution bottle (13).

2. An anesthetic injection apparatus according to claim 1, characterized in that: the length value of piston rod (3) is greater than the length value of cylinder (1) inner chamber, the shape of piston rod (3) is the T shape, and the maximum diameter value of piston rod (3) is greater than the diameter value of cylinder (1) inner chamber.

3. An anesthetic injection apparatus according to claim 1, characterized in that: the shape of fixed bolster (5) is the cross, and the middle part shape of fixed bolster (5) is circular, the circular shape diameter value in fixed bolster (5) middle part is greater than the diameter value of pressure spring (6).

4. An anesthetic injection apparatus according to claim 1, characterized in that: the shape of sealed head (7) is circular, and one side fixed mounting of sealed head (7) has a diameter value to be less than the little cake of sealing ring (8) middle part open diameter value, the diameter value of sealed head (7) is greater than sealing ring (8) middle part open-ended diameter value.

5. An anesthetic injection apparatus according to claim 1, characterized in that: the liquid storage bottle (13) is made of soft transparent materials, and scales are carved in the middle of two sides of the liquid storage bottle (13).