CN216319459U - Dry powder atomizing needle - Google Patents
Dry powder atomizing needle Download PDFInfo
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- CN216319459U CN216319459U CN202122695182.7U CN202122695182U CN216319459U CN 216319459 U CN216319459 U CN 216319459U CN 202122695182 U CN202122695182 U CN 202122695182U CN 216319459 U CN216319459 U CN 216319459U
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- needle
- dry powder
- micro motor
- needle cylinder
- storage battery
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Abstract
The utility model discloses a dry powder atomizing needle which comprises a needle cylinder, an injection head, a piston, a rack and a first driving structure. Wherein, the needle cylinder is used for containing medicinal powder; the injection head is detachably arranged at one end of the needle cylinder and is communicated with the needle cylinder; the piston is arranged in the syringe in a sliding way and is used for pushing the medicine powder so as to ensure that the medicine powder is sprayed out from the spray head; the rack is fixedly arranged on the piston and is positioned on one side of the piston, which is far away from the injection head; the first driving structure is used for driving the rack to move, the first driving structure comprises a micro motor, a worm, a storage battery and a switch, the micro motor and the storage battery are fixed on the needle cylinder, the worm is fixed on an output shaft of the micro motor and meshed with the rack, the storage battery is electrically connected with the micro motor, and the switch is used for realizing the on-off of a circuit between the storage battery and the micro motor. Compared with the prior art, the dry powder atomizing needle is used for injecting dry powder medicine powder into the lung of a test animal and avoiding damage to the trachea of the test animal.
Description
Technical Field
The utility model relates to the technical field of lung disease treatment, in particular to a dry powder atomizing needle.
Background
Conventionally, animals such as rats and guinea pigs are generally selected as test subjects, and the therapeutic effect of the drug powder on lung diseases is studied by injecting the drug powder into the lungs. Dry powder nebulizing needles are commonly used devices for pulmonary administration for the injection of dry powder-like drug powders. In the prior art, a hand-held administration mode is usually adopted, so that the arm of an operator is easy to shake during administration, and the needle head of the dry powder atomizing needle scratches or punctures the trachea of an animal to influence the test effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dry powder atomizing needle which is used for injecting dry powder medicine powder into the lung of a test animal and avoiding causing the damage of the trachea of the test animal.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model discloses a dry powder atomizing needle, which comprises:
a cylinder for containing the powder;
the injection head is detachably arranged at one end of the needle cylinder and is communicated with the needle cylinder;
the piston is slidably arranged in the needle cylinder and used for pushing the medicinal powder to enable the medicinal powder to be sprayed out of the spray head;
the rack is fixedly arranged on the piston and is positioned on one side of the piston, which is far away from the injection head;
the first driving structure is used for driving the rack to move and comprises a micro motor, a worm, a storage battery and a switch, the micro motor and the storage battery are fixed on the needle cylinder, the worm is fixed on an output shaft of the micro motor and meshed with the rack, the storage battery is electrically connected with the micro motor, and the switch is used for realizing the on-off of a circuit between the storage battery and the micro motor.
Preferably, the outer wall of the needle cylinder is provided with a wing plate, the wing plate is positioned at one end of the needle cylinder, which is far away from the injection head, and the micro motor and the storage battery are both arranged on the wing plate.
Preferably, the storage battery and the micro motor are respectively located at both sides of the needle cylinder.
Preferably, the switch is a remote control switch.
Preferably, a side of the rack away from the worm is provided with a support rib, and the support rib is in sliding contact with the inner wall of the needle cylinder.
Preferably, the side wall of the syringe is provided with a through hole for adding medicine into the syringe, and the through hole is detachably provided with a plug body.
Preferably, still include gooseneck and elevating gear, elevating gear includes the elevator, the one end of gooseneck with the elevator links to each other, the other end of gooseneck with the cylinder links to each other.
Preferably, elevating gear includes base, riser, bearing frame, lead screw elevating block, driving motor and guide rail, the riser vertical fixation in on the base, the bearing frame driving motor with the guide rail is fixed in on the riser, the lead screw with the bearing frame rotates to be connected, the elevating block with lead screw threaded connection, the elevating block slidable mounting in on the guide rail, driving motor's output shaft with lead screw transmission links to each other.
Compared with the prior art, the utility model has the following technical effects:
according to the utility model, the first driving structure is used for driving the piston in the syringe, so that the driving process is more stable, and the syringe is prevented from shaking due to finger pressing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a dry powder atomizing needle according to the present embodiment;
FIG. 2 is a schematic view of the gooseneck and the lifting device of FIG. 1 in a use state without the gooseneck;
description of reference numerals: 1-a needle cylinder; 2-a spray head; 3-a piston; 4-a rack; 5-a micro motor; 6-worm; 7-a storage battery; 8-wing plate; 9-a plug body; 10-gooseneck; 11-a base; 12-a riser; 13-a bearing seat; 14-a lead screw; 15-lifting block; 16-a drive motor; 17-guide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
The utility model aims to provide a dry powder atomizing needle which is used for injecting dry powder medicine powder into the lung of a test animal and avoiding causing the damage of the trachea of the test animal.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-2, the present embodiment provides a dry powder atomizing needle, which includes a syringe 1, an injector head 2, a piston 3, a rack 4, and a first driving structure.
Wherein the cartridge 1 is used to contain a powder. The injection head 2 is detachably attached to one end of the cylinder 1 (e.g., screwed), and the injection head 2 communicates with the cylinder 1. The piston 3 is slidably installed inside the cylinder 1, and the piston 3 is used to push the medicinal powder to be ejected from the ejection head 2. The rack 4 is fixedly arranged on the piston 3, and the rack 4 is positioned on one side of the piston 3 far away from the injection head 2. The first driving structure is used for driving the rack 4 to move, the first driving structure comprises a micro motor 5, a worm 6, a storage battery 7 and a switch, the micro motor 5 and the storage battery 7 are fixed on the needle cylinder 1, the worm 6 is fixed on an output shaft of the micro motor 5, the worm 6 is meshed with the rack 4, the storage battery 7 is electrically connected with the micro motor 5, and the switch is used for realizing the on-off of a circuit between the storage battery 7 and the micro motor 5. The spray head 2 is directly commercially available and will not be described in detail here.
The working principle of the dry powder atomizing needle is as follows: firstly, medicine powder is injected into the needle cylinder 1, then the spraying end of the spraying head 2 extends into the trachea of a rat, the switch is turned on, the storage battery 7 supplies power for the micro motor 5, the micro motor 5 drives the worm 6 to rotate, the worm 6 drives the rack 4 to move along the length direction of the needle cylinder 1, so that the piston 3 is pushed to the spraying head 2, and the medicine powder in the needle cylinder 1 is sprayed out from the spraying end of the spraying head 2. Because this embodiment need not the finger and presses the injection that can realize powder, has avoided pressing the shake that causes because of the finger.
Furthermore, in this embodiment, a wing plate 8 is disposed on an outer wall of the syringe 1, the wing plate 8 is located at an end of the syringe 1 away from the injector head 2, and the micro motor 5 and the battery 7 are both mounted on the wing plate 8. In order to make the weight distribution on the needle cylinder 1 more uniform, in the embodiment, the storage battery 7 and the micro motor 5 are respectively positioned on two sides of the needle cylinder 1.
The type of switch is various and can be selected by those skilled in the art according to actual needs. To avoid the chattering caused by pressing the switch, the switch in the present embodiment is preferably a remote control switch.
In order to avoid the separation of the rack 4 from the worm 6 when the worm 6 is engaged with the rack 4, in this embodiment, a support rib is provided on a side of the rack 4 away from the worm 6, and the support rib is in sliding contact with the inner wall of the cylinder 1 to laterally support the rack 4.
In order to add medicine into the syringe 1, in the embodiment, a through hole for adding medicine into the syringe 1 is formed in the side wall of the syringe 1, the plug body 9 is detachably mounted at the through hole, and the medicine can be added into the syringe 1 after the plug body 9 is detached. The plug body 9 can adopt a threaded connection mode and can also adopt other common detachable connection modes such as clamping connection and the like.
To further reduce the wobble, the present embodiment further comprises a gooseneck 10 and a lifting device. The lifting device comprises a lifting block 15, one end of the gooseneck 10 is connected with the lifting block 15, and the other end of the gooseneck 10 is connected with the syringe 1. The gooseneck 10 is a metal shaping hose, the syringe 1 is loosened after the syringe 1 is rotated to a proper angle, and the syringe 1 keeps the angle unchanged under the support of the gooseneck 10. At this time, the syringe 1 can be driven by the lifting device to move along a straight line, so that the spraying end of the spraying head 2 extends into the trachea of the rat.
The type of the lifting device is various and can be selected by the person skilled in the art according to the actual needs. In this embodiment, the lifting device includes a base 11, a vertical plate 12, a bearing seat 13, a lead screw 14, a lifting block 15, a driving motor 16, and a guide rail 17. The vertical plate 12 is vertically fixed on the base 11, the bearing seat 13, the driving motor 16 and the guide rail 17 are fixed on the vertical plate 12, the lead screw 14 is rotatably connected with the bearing seat 13, the lifting block 15 is in threaded connection with the lead screw 14, the lifting block 15 is slidably mounted on the guide rail 17, and an output shaft of the driving motor 16 is in transmission connection with the lead screw 14. When the driving motor 16 acts, the lead screw 14 is driven to rotate, so as to drive the lifting block 15 to perform lifting action, and the lifting block 15 drives the gooseneck 10 and the syringe 1 to act synchronously therewith.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; for those skilled in the art, variations can be made in the specific embodiments and applications without departing from the spirit of the utility model. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (8)
1. A dry powder atomizing needle, comprising:
a cylinder for containing the powder;
the injection head is detachably arranged at one end of the needle cylinder and is communicated with the needle cylinder;
the piston is slidably arranged in the needle cylinder and used for pushing the medicinal powder to enable the medicinal powder to be sprayed out of the spray head;
the rack is fixedly arranged on the piston and is positioned on one side of the piston, which is far away from the injection head;
the first driving structure is used for driving the rack to move and comprises a micro motor, a worm, a storage battery and a switch, the micro motor and the storage battery are fixed on the needle cylinder, the worm is fixed on an output shaft of the micro motor and meshed with the rack, the storage battery is electrically connected with the micro motor, and the switch is used for realizing the on-off of a circuit between the storage battery and the micro motor.
2. The dry powder atomizing needle according to claim 1, wherein a wing plate is provided on an outer wall of the needle cylinder, the wing plate is located at an end of the needle cylinder away from the injector head, and the micro motor and the storage battery are both mounted on the wing plate.
3. The dry powder atomizing needle according to claim 1, wherein the secondary battery and the micro motor are respectively located at both sides of the cylinder.
4. A dry powder atomising needle as claimed in claim 1, characterised in that the switch is a remote switch.
5. The dry powder atomizing needle according to claim 1, wherein a side of the rack away from the worm is provided with a support rib which is in sliding contact with an inner wall of the cylinder.
6. The dry powder atomizing needle according to claim 1, wherein a through hole for adding medicine into the needle cylinder is provided on the side wall of the needle cylinder, and a plug body is detachably mounted at the through hole.
7. The dry powder atomizing needle according to claim 1, further comprising a gooseneck and a lifting device, wherein the lifting device comprises a lifting block, one end of the gooseneck is connected with the lifting block, and the other end of the gooseneck is connected with the needle cylinder.
8. The dry powder atomizing needle according to claim 7, wherein the lifting device comprises a base, a vertical plate, a bearing seat, a lead screw, the lifting block, a driving motor and a guide rail, the vertical plate is vertically fixed on the base, the bearing seat, the driving motor and the guide rail are fixed on the vertical plate, the lead screw is rotatably connected with the bearing seat, the lifting block is in threaded connection with the lead screw, the lifting block is slidably mounted on the guide rail, and an output shaft of the driving motor is in transmission connection with the lead screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695182.7U CN216319459U (en) | 2021-11-05 | 2021-11-05 | Dry powder atomizing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695182.7U CN216319459U (en) | 2021-11-05 | 2021-11-05 | Dry powder atomizing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216319459U true CN216319459U (en) | 2022-04-19 |
Family
ID=81134135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122695182.7U Active CN216319459U (en) | 2021-11-05 | 2021-11-05 | Dry powder atomizing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216319459U (en) |
-
2021
- 2021-11-05 CN CN202122695182.7U patent/CN216319459U/en active Active
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