A handheld electronic syringe with controllable needle length

By combining the design of a handheld electronic injector with controllable needle length, the problem of injection accuracy and safety in medical aesthetics has been solved by traditional injectors. It achieves precise adjustment of needle length and high precision of drug injection volume, thereby improving the standardization and safety of the operation.

CN224506019UActive Publication Date: 2026-07-17SHANXI STRONTIUM INTELLIGENT TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANXI STRONTIUM INTELLIGENT TECH CO LTD
Filing Date
2025-07-25
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional handheld syringes are difficult to control precisely in terms of dosage, depth, pressure and accuracy in medical aesthetics, and they rely too much on operator experience, resulting in problems such as inconsistent needle depth, uneven drug delivery and low operation efficiency.

Method used

The handheld electronic injector with controllable needle length achieves precise adjustment of needle length, consistency of needle depth and speed, high precision of drug injection volume, and hygiene and safety during the injection process through the combined design of needle length adjustment component, electromagnet component, injection motor component and liquid anti-backflow component.

Benefits of technology

It achieves continuous and precise adjustment of the syringe needle length, stable and consistent needle depth and speed, and high precision and uniform output of drug injection volume, ensuring the safety of the injection process and the standardization of operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224506019U_ABST
    Figure CN224506019U_ABST
Patent Text Reader

Abstract

The utility model relates to electronic injector technical field, propose a controllable needle length handheld electronic injector, including casing, push needle linkage assembly, clamping assembly, injection assembly, push injection motor assembly and illuminator, the inside one end of casing fixedly connected interactive component, the inside lower fixedly connected mainboard assembly of casing, the inside fixedly connected push needle linkage assembly of casing middle part, the upper fixedly connected clamping assembly of push needle linkage assembly middle part, clamping injection assembly above clamping assembly, the lower fixedly connected push injection motor assembly of clamping assembly right side, the utility model discloses the adjustment needle length motor, transmission screw rod and linkage mechanism in setting needle length adjusting assembly, can accurate control the displacement of sheep horn fork, thereby realizes the continuous, accurate adjustment of needle length, sets up the needle power of fast, constant stroke of electromagnet component, ensures the depth and speed of every needle, is not influenced by artificial factor, improves operation standardization and effect reliability.
Need to check novelty before this filing date? Find Prior Art

Claims

1. A handheld electronic injector with controllable needle extension length, comprising a housing (1), an interaction component (2), a mainboard component (3), a needle push linkage component (4), a clamping component (5), an injection component (6), an injection motor component (7), and an illuminator (8), characterized in that: An interactive component (2) is fixedly connected to one end of the inner side of the housing (1). A motherboard component (3) is fixedly connected to the lower inner end of the housing (1). The interactive component (2) is electrically connected to the motherboard component (3). A push needle linkage component (4) is fixedly connected to the inner middle part of the housing (1). The push needle linkage component (4) is electrically connected to the interactive component (2). A clamping component (5) is fixedly connected to the upper middle part of the push needle linkage component (4). An injection component (6) is clamped above the clamping component (5). A push injection motor component (7) is fixedly connected to the lower right side of the clamping component (5). The push injection motor component (7) is electrically connected to the interactive component (2). The push injection motor component (7) is electrically connected to the illuminator (8).

2. A handheld electronic injector with controllable needle length according to claim 1, characterized in that: The housing (1) includes a left outer shell (101), a right outer shell (102), a transparent outer shell (103), a bottom shell (104), and a rear shell (105). The left outer shell (101) is fixedly connected to the right outer shell (102) by screws. The top of the left outer shell (101) and the right outer shell (102) is fixedly connected to the transparent outer shell (103). The top of the transparent outer shell (103) has a mounting hole. The bottom of the left outer shell (101) and the right outer shell (102) is fixedly connected to the bottom shell (104). The lower end of the bottom shell (104) is fixedly installed with an aviation plug and electrically connected to the motherboard assembly (3). The rear shell (105) is fixedly connected to one side of the left outer shell (101) and the right outer shell (102).

3. A handheld electronic injector with controllable needle length according to claim 2, characterized in that: A fixing block (1031) is fixedly connected to one side of the transparent shell (103), a sliding groove (1032) is opened at the bottom of the fixing block (1031), a pin fixing block (1033) is fixedly connected to one side of the fixing block (1031), and a pin conversion socket (1034) is opened on the surface of the pin fixing block (1033).

4. A handheld electronic injector with controllable needle length according to claim 1, characterized in that: The interactive component (2) includes a button screen panel (201), a right conductive rubber switch (202), a left conductive rubber switch (203), an OLED module (204), and a glass window (205). The button screen panel (201) is fixedly connected to one end of the inner side of the housing (1). The right conductive rubber switch (202) is electrically connected to one side of the end face of the button screen panel (201). The left conductive rubber switch (203) is electrically connected to the other side of the end face of the button screen panel (201). The OLED module (204) is electrically connected to the middle of the end face of the button screen panel (201). The glass window (205) is fixedly connected to the outside of the OLED module (204).

5. The handheld electronic injector of claim 1, wherein: The motherboard assembly (3) includes a PCB motherboard (301), a switch (302) and a trigger (303). The lower end of the housing (1) of the motherboard assembly (3) is fixedly connected to the PCB motherboard (301). The switch (302) is electrically connected to one side of the PCB motherboard (301), and the trigger (303) is installed on one side of the switch (302).

6. A handheld electronic injector with controllable needle length according to claim 1, characterized in that: The push needle linkage assembly (4) includes a needle length adjustment assembly (401), an electromagnet assembly (402), and a liquid anti-backflow assembly (403). The electromagnet assembly (402) is movably connected to the upper part of the needle length adjustment assembly (401). The liquid anti-backflow assembly (403) is installed at one end of the electromagnet assembly (402). One end of the liquid anti-backflow assembly (403) is movably connected to one end of the housing (1).

7. A handheld electronic injector with controllable needle length according to claim 6, characterized in that: The needle length adjustment assembly (401) includes a needle length adjustment motor (4011), an "L"-shaped fixing bracket (4012), a transmission threaded rod (4013), a linkage plate (4014), a silicone pad (4015), a fixed push rod (4016), a linkage quick rod (4017), and a ram's horn fork (4018). The needle length adjustment motor (4011) is fixedly connected to the "L"-shaped fixing bracket (4012), and the output shaft of the needle length adjustment motor (4011) is fixedly connected to the transmission threaded rod (4013). A moving threaded rod (4013) is threadedly connected to a linkage plate (4014). A silicone pad (4015) is fixedly connected to the upper end of one side of the linkage plate (4014). A fixed push rod (4016) is fixedly connected to the lower end of one side of the linkage plate (4014). A linkage fastener (4017) is slidably connected to the outer side of the fixed push rod (4016). A horn plug (4018) is fixedly connected to one end of the fixed push rod (4016).

8. A handheld electronic injector with controllable needle length according to claim 6, characterized in that: The electromagnet assembly (402) includes an electromagnet mounting bracket (4021) and an electromagnet piston push rod (4022). A frame electromagnet device is installed inside the electromagnet mounting bracket (4021). One end of the frame electromagnet device corresponds to a silicone pad (4015). The other end of the frame electromagnet device is provided with an electromagnet piston push rod (4022). One end of the electromagnet piston push rod (4022) is fixedly connected to a sliding linkage (4017).

9. The handheld electronic injector of claim 6, wherein: The liquid anti-backflow assembly (403) includes a wire clamping top cover (4031), a wire clip (4032), a tension spring (4033), a clip (4034), and a pagoda spring (4035). One end of the wire clamping top cover (4031) is fixedly connected to a linkage block (4017), and the other end of the wire clamping top cover (4031) is inserted into a sliding groove (1032). A groove is opened at the lower end of the wire clamping top cover (4031). One end of the tension spring (4033) is fixedly connected to the groove at the lower end of the wire clamping top cover (4031), and the other end of the tension spring (4033) is fixedly connected to the sliding groove (1035) opened at the bottom of the fixing block (1031). 032) Port, one end of the wire clip (4032) is connected to the pin conversion socket (1034), and the other end of the wire clip (4032) is connected to the protrusion on one side of the wire clamp top cover (4031). The clip (4034) is "L" shaped. The shorter side of the clip (4034) is connected to the open groove on one end face of the linkage block (4017). The middle part of the clip (4034) is connected to the screw seat on one side of the linkage block (4017) by a screw rotation. The longer end of the clip (4034) is fixedly connected to the pagoda spring (4035). The pagoda spring (4035) and the linkage block (4017) are in close contact with each other.

10. The handheld electronic injector of claim 1, wherein: The clamping assembly (5) includes a clamping base plate (501), a barbell screw (502), a clamping top plate (503), a clamping plate (504), a rubber pad (505), a handwheel (506), and a face cover (507). The clamping base plate (501) is fixedly connected to the housing (1). An electromagnet fixing frame (4021) is fixedly connected to one side of the lower end of the clamping base plate (501). One end of the injection motor assembly (7) is fixedly connected to one side of the lower end of the clamping base plate (501). A barbell screw (502) is rotatably connected to the middle of the base plate (501). A clamping top plate (503) is fixedly connected to the upper end of the clamping base plate (501). Clamping plates (504) are threaded to both sides of the barbell screw (502). Rubber pads (505) are fixedly connected to the inner side of each clamping plate (504). Handwheels (506) are threaded to the outer side of each clamping plate (504) through the barbell screw (502). A face cover (507) is fixedly connected to the outer side of each handwheel (506).

11. The handheld electronic injector of claim 1, wherein: The injection assembly (6) includes a syringe (601), a connecting tube (602), and a needle (603). The outside of the syringe (601) is fixedly connected to a clamping assembly (5). One end of the syringe (601) is inserted into the connecting tube (602). The connecting tube (602) is attached to the inside of the wire clip (4032). One end of the connecting tube (602) is inserted into the needle (603). The needle (603) is attached to the front groove of the sliding connecting linkage block (4017). The outside of the needle (603) retainer is clamped and fixed by a clip (4034).

12. The handheld electronic injector of claim 1, wherein: The injection motor assembly (7) includes an injection motor frame (701), an injection DC motor (702), a cam gear assembly (703), a lead screw (704), a slider (705), an optical axis (706), an injection pusher (707), and a limit switch (708). A clamping base plate (501) is fixedly connected to the top of one end of the injection motor frame (701), an "L"-shaped fixing bracket (4012) is fixedly connected to the bottom of one end of the injection motor frame (701), and an injection DC motor (702) is fixedly connected to the lower end of one end of the injection motor frame (701). The output end of the injection DC motor (702) is fixedly connected to the cam gear assembly (703). The upper gear of the cam gear assembly (703) is fixedly connected to a lead screw (704), which is rotatably connected to the injection motor frame (701). The outer side of the lead screw (704) is threadedly connected to a slider (705). The upper end of the injection motor frame (701) is fixedly connected to an optical shaft (706). The optical shaft (706) corresponds to the lead screw (704). The optical shaft (706) passes through the slider (705) and forms a sliding connection with the slider (705). The upper end of the slider (705) is fixedly connected to an injection pusher (707). Limit switches (708) are fixedly connected to both the left and right ends of one side of the injection motor frame (701).