CN215309213U

CN215309213U - Automatic injection hand tool and water light injector

Info

Publication number: CN215309213U
Application number: CN202120356947.1U
Authority: CN
Inventors: 陈伟良; 黎智敏
Original assignee: Guangdong Simin Medical Device Technology Co ltd
Current assignee: Guangdong Simin Medical Device Technology Co ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-12-28
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses an automatic injection hand tool, comprising: the inner bottom surface of the shell is provided with a clamping part used for clamping the injection needle in front of the first rotation stopping part; the motor is arranged in the shell and is provided with a main shaft extending forwards; the external thread sleeve is sleeved outside the motor, and an installation part in driving connection with the main shaft is arranged inside the external thread sleeve; the internal thread sleeve is sleeved outside the external thread sleeve and is in threaded connection with the external thread sleeve, the internal thread sleeve is connected to the first rotation stopping portion in a sliding mode, and the internal thread sleeve is located behind the clamping portion. Compared with the prior art, the automatic injection module occupies less space and position and can effectively reduce the volume of the automatic injection handpiece because the internal thread sleeve, the external thread sleeve and the motor are sequentially sleeved from outside to inside. Meanwhile, the utility model also provides a water light injector applying the automatic injection hand tool.

Description

Automatic injection hand tool and water light injector

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an automatic injection hand tool and a water light injector.

Background

The water light skin tendering technology is a comprehensive facial anti-aging technology with minimally invasive, painless, no need of hospitalization and no scar left, and is mainly characterized by that it utilizes skin injection hand tool to inject nutrients (hyaluronic acid, VC, PRP, etc.) into the dermal layer with subcutaneous thickness of 1mm-2mm to make skin full of water, improve wrinkle and restore elasticity so as to attain the goal of resisting senility.

The conventional skin injection hand tool, for example, "a handheld device capable of assisting automatic suction and injection of an injector" disclosed in CN106492311A or "an automatic injection hand tool for injecting injection in multiple locations" disclosed in CN209695982U, mainly uses a motor to drive a screw rod to rotate, and the rotating screw rod drives a nut block to move forward, so as to push a piston of an injection needle, thereby achieving the purpose of automatic injection. Although the existing automatic injection module can control the injection needle to perform automatic injection, the occupied space is large, so that the skin injection hand tool is large in size and inconvenient for an operator to use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an automatic injection handpiece that solves one or more of the problems of the prior art and provides at least one of the advantages of the present invention.

The utility model also provides a water light injector with the automatic injection hand tool.

An automatic injection handpiece in accordance with an embodiment of a first aspect of the utility model includes:

the inner bottom surface of the shell is provided with a clamping part used for clamping a syringe needle in front of the first rotation stopping part;

a motor mounted within the housing, the motor having a forwardly extending spindle;

the external thread sleeve is sleeved outside the motor, and an installation part in driving connection with the main shaft is arranged inside the external thread sleeve;

the internal thread sleeve is sleeved outside the external thread sleeve and is in threaded connection with the external thread sleeve, the internal thread sleeve is connected to the first rotation stopping part in a sliding mode, and the internal thread sleeve is located behind the clamping part;

the motor, the external thread sleeve and the internal thread sleeve jointly form an automatic injection module.

The automatic injection hand tool provided by the embodiment of the utility model has at least the following beneficial effects: when injection is needed, firstly, a syringe needle filled with injection is clamped on the clamping part of the shell, then a motor is started, the motor drives the external thread sleeve to rotate forwards, and the internal thread sleeve is connected to the first rotation stopping part in a sliding manner, so that the internal thread sleeve can move forwards under the driving of the rotation of the external thread sleeve, and the piston of the syringe needle is pushed, and the aim of automatic injection is fulfilled; compared with the prior art, the automatic injection module occupies less space positions because the internal thread sleeve, the external thread sleeve and the motor are sequentially sleeved from outside to inside, and the automatic injection module has lighter weight because the internal thread sleeve and the external thread sleeve are both of hollow structures, so that the volume of the automatic injection hand tool can be effectively reduced, the weight of the automatic injection hand tool can be lightened, and the automatic injection hand tool is convenient for an operator to use.

According to some embodiments of the present invention, the housing includes a lower housing and an upper housing, the upper housing is detachably connected to the lower housing, and the first rotation stopping portion, the engaging portion and the motor are disposed on the lower housing, so as to realize a split arrangement of the housing.

According to some embodiments of the present invention, the upper housing includes a first housing for covering the injection needle and a second housing for covering the automatic injection module, and the injection needle can be replaced by an operator by simply opening the first housing to better protect the automatic injection module.

According to some embodiments of the utility model, the front end of the internally threaded sleeve is provided with a push plate for better abutment with the piston of the injection needle.

According to some embodiments of the utility model, the spindle is provided with a flat position, and the mounting portion is provided with a mounting hole corresponding to the flat position, so that the motor can drive the external thread sleeve to rotate.

According to some embodiments of the utility model, the outer circumferential surface of the female thread bush is provided with second rotation stopping portions arranged in a front-back manner, the second rotation stopping portions are slidably connected with the first rotation stopping portions, and the first rotation stopping portions and the second rotation stopping portions are arranged to limit rotation of the female thread bush and guide movement of the female thread bush.

According to some embodiments of the utility model, the first rotation stop portion is a limiting groove, and the second rotation stop portion is a limiting ridge; or, first rotation stopping portion is spacing arris, second rotation stopping portion is the spacing groove for both can use in coordination each other.

According to some embodiments of the utility model, the front end and the rear end of the external thread sleeve are both provided with clearance grooves. The clearance groove located at the front end of the external thread sleeve is mainly used for observing the connection condition between the installation part and the main shaft, and the clearance groove located at the rear end of the external thread sleeve is mainly used for avoiding the fingers of an operator, so that the external thread sleeve is arranged outside the motor.

According to the water optical injector of the second aspect embodiment of the utility model, the water optical injector comprises a water optical instrument and the automatic injection hand tool, wherein a control module is arranged in the water optical instrument, and the control module is electrically connected with the motor.

The water light injector provided by the embodiment of the utility model has at least the following beneficial effects: the control module can control the rotation parameters of the motor so as to realize quantitative and timed injection of the water light injector.

According to some embodiments of the utility model, the water light injector further comprises a moving rack on which the water light meter and the automatic injection handpiece are both placed to facilitate use and movement of the water light injector.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic perspective view of an automatic injection handpiece in accordance with an embodiment of the present invention;

FIG. 2 is a top view of the automatic injection handpiece illustrated in FIG. 1;

FIG. 3 is a cross-sectional view of the automatic injection handpiece illustrated in FIG. 2, as taken along section line A-A;

FIG. 4 is an exploded view of the automatic injection handpiece illustrated in FIG. 1;

FIG. 5 is a schematic perspective view of an automatic injection handpiece of an embodiment of the present invention with the upper housing removed;

FIG. 6 is a schematic perspective view of an externally threaded sleeve coupled to a motor in accordance with an embodiment of the present invention;

FIG. 7 is a top view of the automatic injection hand set of FIG. 5 prior to injection;

FIG. 8 is a top view of the automatic injection hand piece of FIG. 5 after injection;

fig. 9 is a schematic perspective view of a water light injector according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1 to 5, the automatic injection hand tool 10 according to the first embodiment of the present invention includes a housing 100, an injection needle 200, and an automatic injection module 300, where the housing 100 includes a lower casing 110 and an upper casing 120, the upper casing 120 is detachably connected to the lower casing 110, an inner bottom surface of the lower casing 110 is provided with first rotation-stopping portions 111 disposed in front and behind, an inner bottom surface of the lower casing 110 is provided with a locking portion 112 for locking the injection needle 200 in front of the first rotation-stopping portions 111, an inner bottom surface of the lower casing 110 is provided with a supporting portion 113 for supporting the injection needle 200 in front of the locking portion 112, the automatic injection module 300 is disposed near a rear end of the housing 100, and the injection needle 200 is disposed near a front end of the housing 100. Specifically, the clamping portions 112 are of a clamping groove structure and used for clamping the outer edge 211 of the needle cylinder 210, in order to adapt to the injection needles 200 of different specifications, the number of the clamping portions 112 can be at least two, and all the clamping portions 112 are sequentially distributed in the front and back direction according to the lengths of the injection needles 200 of different specifications; the support portion 113 has an upwardly-disposed circular opening for supporting the barrel 210 of the injection needle 200, so as to ensure that the injection needle 200 can be horizontally placed in the housing 100.

As shown in fig. 3 to 5, the automatic injection module 300 includes a motor 310, an externally threaded sleeve 320 and an internally threaded sleeve 330, the motor 310 is mounted at the rear of the lower housing 110, the motor 310 is provided with a spindle 311 extending forward, and the motor 310 includes, but is not limited to, a stepping motor or a servo motor. The outer peripheral face of external screw thread cover 320 is external screw thread 321, external screw thread cover 320 cover is established outside motor 310, the inside of external screw thread cover 320 be equipped with main shaft 311 carries out the installation department 322 that drives the connection, makes motor 310 can drive external screw thread cover 320 rotates, this moment installation department 322 is close to in the front end of external screw thread cover 320. The inner circumferential surface of the internal thread sleeve 330 is an internal thread 331, the internal thread sleeve 330 is sleeved outside the external thread sleeve 320 and is in threaded connection with the external thread sleeve 320, the outer circumferential surface of the internal thread sleeve 330 is provided with second rotation stopping parts 332 which are arranged in the front and back, and the first rotation stopping part 111 and the second rotation stopping part 332 are matched with each other for use, so that the second rotation stopping part 332 can be slidably connected to the first rotation stopping part 111; the first rotation stopper 111 and the second rotation stopper 332 are provided to guide the movement of the female screw 330 while restricting the rotation thereof. Specifically, the first rotation stop portion 111 is a limiting groove, and at this time, the second rotation stop portion 332 is a limiting rib correspondingly, or the first rotation stop portion 111 is a limiting rib, and at this time, the second rotation stop portion 332 is a limiting groove correspondingly; as shown in fig. 6, the spindle 311 is provided with a flat position 3111, and the mounting portion 322 is provided with a mounting hole corresponding to the flat position 3111, so that the motor 310 can drive the external thread bushing 320 to rotate.

As shown in fig. 7 and 8, when injection is required, firstly, the injection needle 200 filled with injection liquid is clamped on the clamping portion 112 of the lower housing 110, then the motor 310 is started, the motor 310 drives the external thread sleeve 320 to rotate forward, and the internal thread sleeve 330 is slidably connected to the first rotation stop portion 111, so that the internal thread sleeve 330 can move forward under the rotation of the external thread sleeve 320, so as to push the piston 220 of the injection needle 200, thereby achieving the purpose of automatic injection; after the injection needle 200 is injected, the motor 310 may drive the external threaded sleeve 320 to rotate reversely, so as to reset the internal threaded sleeve 330 for the next injection. Compared with the prior art, the internal thread sleeve 330, the external thread sleeve 320 and the motor 310 are sequentially sleeved from outside to inside, so the automatic injection module 300 of the utility model occupies less space, and the internal thread sleeve 330 and the external thread sleeve 320 are both hollow structures, so the automatic injection module 300 of the utility model has lighter weight, can effectively reduce the volume of the automatic injection hand tool 10 and the weight thereof, and is convenient for an operator to use. It will be appreciated that, in order to better advance the piston 220 of the injection needle 200, the front end of the internally threaded sleeve 330 is provided with a push plate 333, i.e., the front end of the internally threaded sleeve 330 is closed and the rear end thereof is open.

As shown in fig. 4, in some embodiments of the present invention, in order to facilitate the replacement of the injection needle 200 by the operator, the upper housing 120 includes a first housing 121 and a second housing 122, the first housing 121 is used to cover the injection needle 200, the second housing 122 is used to cover the automatic injection module 300, the first housing 121 and the upper housing 120 are connected in a snap-fit or snap-fit manner, and the second housing 122 and the upper housing 120 are connected in a bolt-fit manner, so that the operator can replace the injection needle 200 by opening the first housing 121, thereby better protecting the automatic injection module 300.

As shown in fig. 6, in some embodiments of the present invention, the front end and the rear end of the external thread sleeve 320 are both provided with a clearance groove 323, the clearance groove 323 located at the front end of the external thread sleeve 320 is mainly used to observe the connection condition between the mounting portion 322 and the main shaft 311, and the clearance groove 323 located at the rear end of the external thread sleeve 320 is mainly used to avoid the fingers of the operator, so as to sleeve the external thread sleeve 320 outside the motor 310.

As shown in fig. 1, in some embodiments of the present invention, in order to supply power and control the motor 310, a wire hole 130 through which a wire can pass is formed at the rear end of the housing 100.

As shown in fig. 9, the water light injector according to the second aspect of the present invention includes the automatic injection hand tool 10 according to the first aspect of the present invention, and further includes a water light instrument 20 and a moving rack 30, a control module (not shown in the drawings) is disposed in the water light instrument 20, the control module is electrically connected to the motor 310, and the control module includes, but is not limited to, a single chip microcomputer, an FPGA or a PLC, and can control rotation parameters of the motor 310, such as a forward/reverse rotation parameter, a rotation time parameter, a rotation rate parameter, a rotation interval parameter, and the like, so as to achieve quantitative and timed injection of the water light injector. A plurality of gyro wheels are installed to the bottom surface that removes frame 30, and the top surface that removes frame 30 is place platform, and place platform's side is connected with the rack, water light appearance 20 is placed on the place platform, automatic injection hand utensil 10 is placed on the rack to the use and the removal of water light syringe are convenient for. Since the water light injector adopts all technical schemes of all the embodiments, at least all the beneficial effects brought by the technical schemes of the embodiments are achieved, and no further description is given here.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An automatic injection handpiece, comprising:

the internal thread cover, its cover establish outside the external thread cover and with the external thread cover carries out threaded connection, internal thread cover sliding connection in first rotation stopping portion, the internal thread cover is located the rear of joint portion.

2. The automatic injection handpiece of claim 1, wherein: the shell comprises a lower shell body and an upper shell body, wherein the upper shell body is detachably connected with the lower shell body, and a first rotation stopping portion, a clamping portion and a motor are arranged on the lower shell body.

3. The automatic injection handpiece of claim 2, wherein: the motor, the external thread sleeve and the internal thread sleeve jointly form an automatic injection module; the upper housing includes a first housing to cover an injection needle and a second housing to cover the automatic injection module.

4. The automatic injection handpiece of claim 1, wherein: the front end of the internal thread sleeve is provided with a push plate.

5. The automatic injection handpiece of claim 1, wherein: the spindle is provided with a flat position, and the mounting part is provided with a mounting hole corresponding to the flat position.

6. The automatic injection handpiece of claim 1, wherein: the outer peripheral surface of the internal thread sleeve is provided with a second rotation stopping part which is arranged in the front and at the back, and the second rotation stopping part is connected with the first rotation stopping part in a sliding mode.

7. The automatic injection handpiece of claim 6, wherein: the first rotation stopping part is a limiting groove, and the second rotation stopping part is a limiting edge; or, the first rotation stopping part is a limiting ridge, and the second rotation stopping part is a limiting groove.

8. The automatic injection handpiece of claim 1, wherein: the front end and the rear end of the external thread sleeve are both provided with clearance grooves.

9. A water light injector comprising the automatic injection handpiece of any one of claims 1 to 8, further comprising: the water light instrument is internally provided with a control module, and the control module is electrically connected with the motor.

10. A water light injector as defined in claim 9, wherein: still including removing the frame, the water light appearance with automatic injection hand utensil is all placed remove on the frame.