CN211798041U

CN211798041U - Safety syringe for preventing error injection in blood vessel

Info

Publication number: CN211798041U
Application number: CN201821898530.2U
Authority: CN
Inventors: 周展超
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-19
Filing date: 2018-11-19
Publication date: 2020-10-30
Anticipated expiration: 2028-11-19

Abstract

The application discloses prevent safe syringe of intravascular misinjection belongs to the medical instrument field. The injection device comprises an injector body, wherein the rear end of the upper part of the injector body is provided with an injector piston fixing driving column, and the lower part of the injector body is provided with a trigger; the injector body is internally provided with a controller, a battery pack and an injector piston driving mechanical group, the trigger is in signal connection with the controller, and the injector piston driving mechanical group is connected with an injector piston fixing driving column. The application discloses a prevent safe syringe of endovascular mistake injection has added the pumpback function on current electronic supplementary syringe, and the doctor is through the operation trigger, with signal transmission to controller, after the controller carries out signal processing, transmits corresponding operating command to syringe piston drive mechanical group to the drive syringe piston removes, realizes pumpback and injection function, and operation process is very convenient.

Description

Safety syringe for preventing error injection in blood vessel

Technical Field

The application relates to the field of medical equipment, in particular to a safety syringe for preventing intravascular misinjection.

Background

In many injection treatments, if the area rich in blood vessels cannot be avoided, the needle may puncture the blood vessels, causing the drug to directly enter the blood circulation, and complications such as vascular embolism and shock may be induced due to different pharmacological actions of the drug. Therefore, before injection of cosmetics such as narcotics and hyaluronic acid, the medicines are required to be withdrawn so as to avoid the medicines from being injected into blood vessels by mistake, but in many cases, the injection needs to be completed by one hand, the technical requirement on doctors is high, and many clinicians cannot complete the withdrawal action when the injection is operated by one hand. The existing electric auxiliary syringes on the market can not be drawn back.

SUMMERY OF THE UTILITY MODEL

The application provides a prevent safety syringe of endovascular mistake injection to solve the unable singlehanded pumpback action of accomplishing of doctor when clinical, and the unable problem of carrying out the pumpback operation of current electronic auxiliary syringe.

The embodiment of the application provides a safety injector for preventing intravascular misinjection, which comprises an injector main body, wherein the front end of the upper part of the injector main body is provided with an injector front positioning column, the rear end of the upper part of the injector main body is provided with an injector rear positioning column and an injector piston fixing driving column, and the lower part of the injector main body is provided with a trigger;

the syringe is characterized in that a controller, a battery pack and a syringe piston driving mechanical set are arranged in the syringe body, the trigger is connected with signals of the controller, the battery pack is electrically connected with the controller, the controller is connected with the syringe piston driving mechanical set, a sliding groove is formed in the joint of the upper portion of the syringe body and the syringe piston fixing driving column, the syringe piston driving mechanical set is connected with the syringe piston fixing driving column and drives the syringe piston fixing driving column to slide in the sliding groove.

Preferably, the injector piston driving mechanical group comprises a driving motor and a transmission shaft, an output shaft is arranged at one end of the driving motor, a first gear is arranged at the end of the output shaft, a second gear is arranged at one end of the transmission shaft, a third gear is arranged at the other end of the transmission shaft, the first gear is meshed with the second gear, a rack is arranged at the lower part of the injector piston fixing driving column, and the rack is meshed with the third gear.

Preferably, the syringe body is internally provided with a groove for placing the rack, and the rack can slide in the groove.

Preferably, a fixing ring for fixing the transmission shaft is further arranged inside the syringe main body.

Preferably, the syringe body is further provided with a withdrawal switch, and the withdrawal switch is in signal connection with the controller.

Preferably, the trigger is annular.

According to the technical scheme, the utility model discloses a prevent safe syringe of endovascular mistake injection, the pumpback function has been added on current electronic supplementary syringe, the doctor is through the operation trigger, with signal transmission to controller, the controller carries out after signal processing, transmit corresponding operating command to syringe piston drive mechanical assembly, thereby the drive syringe piston removes, realize pumpback and injection function, operation process is very convenient, the unable one-hand pumpback action of accomplishing of doctor when clinical has been solved effectively, and the unable problem of pumpback operation of current electronic supplementary syringe.

Drawings

Fig. 1 is a schematic structural diagram of a safety syringe for preventing an intravascular misinjection according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of an operating module of a safety syringe for preventing a mis-injection in a blood vessel according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a syringe piston driving mechanism set in a safety syringe for preventing an intravascular misinjection according to an embodiment of the present disclosure;

fig. 4 is a schematic structural view of a rack and a third gear in the safety syringe for preventing an intravascular misinjection according to the embodiment of the present application;

fig. 5 is another structural schematic diagram of a safety syringe for preventing an intravascular misinjection according to an embodiment of the present application.

Wherein: 10-injector body, 101-injector front positioning column, 102-injector rear positioning column, 103-injector piston fixing driving column, 104-trigger, 105-controller, 106-battery pack, 107-injector piston driving mechanical group, 1071-driving motor, 1072-rotating shaft, 1073-output shaft, 1074-first gear, 1075-second gear, 1076-third gear, 108-withdrawal switch, 20-chute and 30-rack.

Detailed Description

In the following, the technical solutions in the embodiments will be clearly and completely described with reference to the 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 to 4, the present application discloses a safety syringe for preventing an injection error in a blood vessel, which includes a syringe body 10, an injection needle tube is usually fixed on the upper portion of the syringe body 10, the syringe body 10 is pistol-shaped and is convenient for a doctor to hold, a syringe front positioning post 101 is provided on the front end of the upper portion of the syringe body 10, a syringe rear positioning post 102 and a syringe piston fixing driving post 103 are provided on the rear end of the upper portion of the syringe body 10, when the injection needle tube is fixed on the syringe body 10, the needle tube body portion of the injection needle tube is fixed between the syringe front positioning post 101 and the syringe rear positioning post 102, and at the same time, the outer end of the piston inside the injection needle tube, i.e. the end applying force is fixed on the syringe piston fixing driving post 103, which can firmly fix the injection needle tube to ensure, also provided on the lower portion of the syringe body 10 is a trigger 104. referring to fig. 5, in a preferred embodiment, the trigger 104 is shaped as a ring, which facilitates the finger of the clinician to manipulate the trigger 104 and perform the pushing and pulling actions.

The injector body 10 is internally provided with a controller 105, a battery pack 106 and an injector piston driving mechanical group 107, wherein the trigger 104 is in signal connection with the controller 105, namely the trigger 104 generates action and can generate signals to be transmitted to the controller 105, the battery pack 106 is electrically connected with the controller 105 and is used for continuously supplying power, the controller 105 is connected with the injector piston driving mechanical group 107, a sliding groove 20 is arranged at the connection position of the upper part of the injector body 10 and the injector piston fixing driving column 103, and the injector piston driving mechanical group 107 is connected with the injector piston fixing driving column 103 and drives the injector piston fixing driving column 103 to slide in the sliding groove 20.

The application provides a prevent safe syringe of intravascular misinjection at work, at first through operation trigger 104 production working signal, and with this signal transmission to controller 105, secondly controller 105 analyzes this signal, and with corresponding operating command transmission to syringe piston drive mechanical assembly 107, then syringe piston drive mechanical assembly 107 slides in spout 20 according to operating command control syringe piston fixed drive post 103 to drive the piston removal in the syringe needle, realize the function of drawing back.

The application provides a prevent safe syringe of endovascular mistake injection can have following two kinds of implementation:

1, a front push trigger 104 and a controller 105 receive working signals and generate a drawing back command, and an injector piston driving mechanical group 107 drives an injector piston fixing driving column 103 to slide backwards after receiving the drawing back command signal, so as to drive the piston to slide backwards, thereby realizing the drawing back function; the trigger 104 is pulled, the controller 105 receives the working signal and generates an injection command, and the injector piston driving mechanism group 107 drives the injector piston fixing driving column 103 to slide forwards after receiving the injection command signal, so as to drive the piston to slide forwards, thereby realizing the injection function.

2, the trigger 104 is triggered, the controller 105 receives the working signal and generates a two-way command, the first stroke is a withdrawal command, the second stroke is an injection command, and the injector piston driving mechanism group 107 drives the injector piston fixing driving column 103 to slide backwards firstly after receiving the two-way command signal, so as to drive the piston to slide backwards, so as to realize the withdrawal function, and then drives the injector piston fixing driving column 103 to slide forwards, so as to drive the piston to slide forwards, so as to realize the injection function.

In conclusion, the safety syringe for preventing the intravascular misinjection disclosed by the application has the advantages that the drawing back function is added to the existing electric auxiliary syringe, a doctor sends signals to the controller 105 through the operation trigger 104, and the controller 105 transmits corresponding operation commands to the syringe piston driving mechanical group 107 after the signals are processed, so that the syringe piston is driven to move, the drawing back and injection functions are realized, the operation process is very convenient, and the problems that the doctor cannot complete the drawing back action with one hand in clinic and the existing electric auxiliary syringe cannot perform the drawing back operation are effectively solved.

Referring to fig. 3 and 4, in a preferred embodiment, the injector piston drive mechanism 107 comprises: driving motor 1071 and transmission shaft 1072 are equipped with output shaft 1073 in driving motor 1071's one end, and output shaft 1073's end is equipped with first gear 1074, the one end of transmission shaft 1072 is equipped with second gear 1075, and the other end is equipped with third gear 1076, and third gear 1076's size is great for second gear 1075, and first gear 1074 meshes with second gear 1075 mutually, and the fixed drive column 103 lower part of syringe piston is equipped with rack 30, and rack 30 meshes with third gear 1076 mutually.

This preferred scheme is at the operation in-process, and driving motor 1071 starts, and output shaft 1073 begins to rotate, through the cooperation of first gear 1074 and second gear 1075, drives transmission shaft 1072 and third gear 1076 and rotates, and under the cooperation of third gear 1076 and rack 30, transmission shaft 1072 drives the fixed drive column 103 slip of syringe piston to realize the reciprocating motion of piston, accomplish the operation of back suction and injection.

A groove for placing the rack 30 is formed in the injector body 10, and the rack 30 can slide in the groove; a fixing ring for fixing the transmission shaft 1072 is further provided inside the syringe body 10.

Referring to fig. 1, the syringe body 10 is further provided with a withdrawal switch 108, and the withdrawal switch 108 is in signal connection with the controller 105. The safety syringe for preventing the intravascular mis-injection provided by the application can also have another implementation mode:

3, the withdrawal switch 108 is pressed, the controller 105 receives the withdrawal signal and generates a withdrawal command, and the injector piston driving mechanical group 107 drives the injector piston fixing driving column 103 to slide backwards after receiving the withdrawal command signal, so as to drive the piston to slide backwards, thereby realizing the withdrawal function.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. The utility model provides a prevent safe syringe of endovascular mistake injection, includes syringe main part (10), syringe main part (10) upper portion front end is equipped with before the syringe reference column (101), syringe main part (10) upper portion rear end is equipped with behind the syringe reference column (102) and the fixed drive post of syringe piston (103), syringe main part (10) lower part is equipped with trigger (104), its characterized in that:

the syringe is characterized in that a controller (105), a battery pack (106) and a syringe piston driving mechanical group (107) are arranged inside the syringe body (10), a trigger (104) is in signal connection with the controller (105), the battery pack (106) is electrically connected with the controller (105), the controller (105) is connected with the syringe piston driving mechanical group (107), a sliding groove (20) is formed in the connection position of the upper portion of the syringe body (10) and the syringe piston fixing driving column (103), the syringe piston driving mechanical group (107) is connected with the syringe piston fixing driving column (103) and drives the syringe piston fixing driving column (103) to slide in the sliding groove (20).

2. The safety syringe according to claim 1, wherein the syringe piston driving mechanism group (107) comprises a driving motor (1071) and a transmission shaft (1072), one end of the driving motor (1071) is provided with an output shaft (1073), the end of the output shaft (1073) is provided with a first gear (1074), one end of the transmission shaft (1072) is provided with a second gear (1075), the other end is provided with a third gear (1076), the first gear (1074) is engaged with the second gear (1075), the lower part of the syringe piston fixing driving column (103) is provided with a rack (30), and the rack (30) is engaged with the third gear (1076).

3. Safety syringe according to claim 2, characterized in that the syringe body (10) is internally provided with a groove for housing the rack (30), in which groove the rack (30) can slide.

4. A safety syringe according to claim 2, characterized in that a fixing ring for fixing the transmission shaft (1072) is further provided inside the syringe body (10).

5. A safety syringe according to claim 1, wherein the syringe body (10) is further provided with a withdrawal switch (108), and the withdrawal switch (108) is in signal connection with the controller (105).

6. A safety syringe according to claim 1 wherein the trigger (104) is annular.