CN111053956A - Dosing device and dosing pump system - Google Patents
Dosing device and dosing pump system Download PDFInfo
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- CN111053956A CN111053956A CN201911344634.8A CN201911344634A CN111053956A CN 111053956 A CN111053956 A CN 111053956A CN 201911344634 A CN201911344634 A CN 201911344634A CN 111053956 A CN111053956 A CN 111053956A
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- circuit board
- motor
- shell
- battery
- gear box
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
Abstract
The invention relates to the technical field of medical instruments, in particular to a medicine feeder and a medicine feeding pump system, wherein the medicine feeder comprises a shell, a transmission assembly and a circuit board assembly; the transmission assembly and the circuit board assembly are arranged in the shell, and one end face of the shell is a butt joint face; the transmission assembly comprises a motor, a gear box, a screw rod and a push rod which are coaxially and in threaded connection, wherein the motor and the gear box are arranged in a U shape, and the U-shaped opening faces to the butt joint surface; the circuit board assembly comprises a printed circuit board, a battery connector and a flexible circuit board, wherein the printed circuit board is L-shaped, one edge of the L-shape is positioned between the butt joint face and one end of the motor, which is far away from the gear box, and the other edge of the L-shape is positioned between the motor and the push rod. According to the technical scheme of the invention, the moving assembly and the circuit board assembly in the shell are complementary in space structure, so that the interior of the shell can be filled, the arrangement of parts is more reasonable, the utilization rate of the shell is further improved, and the development of products towards miniaturization is facilitated.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a drug administration device and a drug administration pump system.
Background
The insulin pump has the basic function of simulating the secretion function of pancreas, continuously injects insulin to the subcutaneous of a user at regular intervals according to the dosage required by the human body, keeps the blood sugar stable all day long and achieves the aim of controlling diabetes. The existing insulin pump mainly comprises a drug feeder and a drug storage device, wherein the drug feeder is a driving part, the drug storage device is extruded by a driving device, and insulin in the drug storage device is continuously extruded to the subcutaneous part of a user.
The insulin pump needs to be applied to the skin surface of a user for a long time, and if the volume of the insulin pump is large, the use is inconvenient; therefore, how to miniaturize the insulin pump is a technical problem which needs to be solved at present.
Disclosure of Invention
In view of the above, a main object of the present invention is to provide a dispenser and a pump system, in which the inside of the dispenser is rationally arranged to realize a medicine dispensing function and to achieve miniaturization.
To achieve the above object, according to one aspect of the present invention, there is provided a dispenser including a housing, a driving assembly, and a circuit board assembly; the transmission assembly and the circuit board assembly are arranged in the shell, and one end face of the shell is a butt joint face; the transmission assembly comprises a motor, a gear box, a screw rod and a push rod which are coaxially and in threaded connection, the motor is connected with the circuit board assembly, the motor, the gear box and the push rod are arranged in a U shape, a U-shaped opening faces the butt joint face, the output end of the motor is connected with one end of the gear box, the other end of the gear box is connected with the screw rod, and one end, far away from the gear box, of the push rod penetrates through the butt joint face and is located on the outer side of the shell; the circuit board assembly comprises a printed circuit board, a battery connector and a flexible circuit board, the motor is connected with the flexible circuit board, the battery connector is connected with the printed circuit board, a metal contact is arranged on the battery connector, the metal contact protrudes out of the butt joint face so as to be located on the outer side of the shell, the printed circuit board is L-shaped, one edge of the L-shape is located between the butt joint face and one end of the motor, far away from the gear box, and the other edge of the L-shape is located between the motor and the push rod.
Optionally, the printed circuit board comprises two hard circuit boards connected by a soft circuit board, and the two hard circuit boards can be overlapped to form an L shape; the battery connector and the flexible circuit board are connected with one of the hard circuit boards.
Optionally, the motor is a stepping motor, and an optical sensor for monitoring an operating state of the stepping motor is arranged on the flexible circuit board.
Optionally, an output end of the gear box is provided with a pressure sensor, and the pressure sensor is connected with the flexible circuit board; and/or the tail end of the push rod is provided with a position sensor, and the position sensor is connected with the flexible circuit board.
Optionally, the printed circuit is provided with a key, and the housing is provided with a through hole from which the key protrudes.
Optionally, a key circuit board is arranged on the flexible circuit board, and the key is arranged on the key circuit board; the casing is internally provided with a fixing groove for connecting the key circuit board, and the through hole is positioned on a side plate of the casing.
Optionally, the circuit board assembly further comprises a warning device connected with the printed circuit board, wherein the warning device is one or more of a warning lamp, a vibration motor and a buzzer.
Optionally, the transmission assembly further comprises a limiting sleeve, the limiting sleeve is connected with the box body of the gearbox, and the lead screw and the push rod are arranged in the limiting sleeve.
The invention also provides a drug delivery pump system which comprises a drug storage device, a battery and the drug delivery device.
Optionally, the medicine storage device comprises a housing, and a liquid medicine cavity, a battery cavity and a needle tube cavity are arranged in the housing; one end of the shell is a butt joint end connected with the medicine feeder, and openings of the liquid medicine cavity and the battery cavity are positioned at the butt joint end; a piston is arranged in the liquid medicine cavity, the piston is abutted against the push rod, the battery cavity is used for accommodating the battery, and a contact of the battery is contacted with a metal contact of the battery connector; the opening of the needle tube cavity is positioned on the outer wall of the shell, a needle tube is arranged in the needle tube cavity, and the needle tube is communicated with the liquid medicine cavity.
According to the technical scheme of the invention, in the medicine feeder, a transmission assembly in a shell is of a U-shaped structure, wherein one side (a motor part) of the U-shaped structure is shorter, a gap is formed between the side (a motor part) and a butt joint surface, and the other side (a push rod part) is longer and penetrates out of the butt joint surface to be connected with a medicine storage device; the circuit board assembly in the shell is L-shaped, and two L-shaped edges are respectively arranged in the gaps between the middle part and the short edge of the U-shaped structure and the butt joint surface.
The removal subassembly and the circuit board assembly in the casing are complementary on spatial structure, can be full of the casing inside, and spare part arranges more rationally, and then improves the utilization ratio of casing, does benefit to the product and develops to miniaturized direction.
Drawings
For purposes of illustration and not limitation, the present invention will now be described in accordance with its preferred embodiments, particularly with reference to the accompanying drawings, in which:
figure 1 is a front view of the dispenser;
FIG. 2 is a schematic view of the other side of the dispenser;
FIG. 3 is a schematic view of the applicator-side end;
FIG. 4 is a schematic view of the interior of the dispenser;
FIG. 5 is a schematic diagram of a printed circuit board construction;
FIG. 6 is a schematic structural view of the transmission assembly;
FIG. 7 is a schematic view of the push rod of FIG. 6 in a push-out state;
FIG. 8 is a schematic view of the other side of the transmission assembly;
fig. 9 is a schematic diagram of the structure of an insulin pump.
In the figure:
1: a housing; 2: a motor; 3: a gear case; 4: a screw rod; 5: a push rod; 6: a printed circuit board; 7: a battery connector; 8: a flexible circuit board; 9: a light sensor; 10: a pressure sensor; 11: a position sensor; 12: pressing a key; 13: a warning light; 14: vibrating a motor; 15: a buzzer; 16: a limiting sleeve; 17: a butt joint surface; 18: a through hole; 19: a flexible circuit board; 20: a hard circuit board; 21: a key circuit board; 100: a dispenser; 200: a battery; 300: store up medicine ware.
Detailed Description
The technical solution of the present invention will be described below by taking an insulin pump, a common drug delivery pump system, as an example. In an embodiment of the invention, fig. 1 is a front view of a dispenser; FIG. 2 is a schematic view of the other side of the dispenser; FIG. 3 is a schematic view of the applicator-side end; fig. 4 is a schematic view of the structure inside the dispenser.
As shown in fig. 1-4, a medicine feeder comprises a shell 1, a transmission assembly and a circuit board assembly; the transmission assembly and the circuit board assembly are arranged in the shell 1, and one end surface of the shell 1 is a butt joint surface 17; the transmission assembly comprises a motor 2, a gear box 3, a screw rod 4 and a push rod 5 which are coaxially and in threaded connection, the motor 2 is connected with the circuit board assembly, the motor 2, the gear box 3 and the push rod 5 are arranged in a U shape, the U-shaped opening faces to the butt joint surface 17, the output end of the motor 2 is connected with one end of the gear box 3, the other end of the gear box 3 is connected with the screw rod 4, and one end, far away from the gear box 3, of the push rod 5 penetrates through the butt joint surface 17 and is located on the outer side; the circuit board assembly comprises a printed circuit board 6, a battery connector 7 and a flexible circuit board 8, the motor 2 is connected with the flexible circuit board 8, the battery connector 7 is connected with the printed circuit board 6, a metal contact is arranged on the battery connector 7 and protrudes out of the butt joint surface 17 to be located on the outer side of the shell 1, the printed circuit board 6 is L-shaped, one edge of the L-shape is located between the butt joint surface 17 and one end, far away from the gear box 3, of the motor 2, and the other edge of the L-shape is located between the motor 2 and the push rod 5.
Wherein, the one end that casing 1 kept away from butt joint face 17 still is provided with the joint recess, and this joint recess cooperation keeps somewhere the bottom plate of needle subassembly and uses, is equipped with bellied limiting plate on the bottom plate, and when casing 1 was connected with the bottom plate, the limiting plate inserted in the joint recess, realizes the location to casing 1, and this structure can realize the high-speed joint of casing 1 and bottom plate, and plays limiting displacement, avoids casing 1 accident to drop.
The inside transmission assembly and the circuit board subassembly that is provided with of casing 1 that this embodiment provided, on the structure basis, through the arrangement mode that changes each spare part for the inside overall arrangement of casing 1 is more reasonable, and space utilization is higher. Specifically, as shown in fig. 6 to 8, the transmission assembly is configured as a U-shaped structure, one side of the U-shaped structure is the motor 2, the other side is the screw rod 4 and the push rod 5, and the bottom side is the gear box 3, wherein the motor 2 and the push rod 5 are attached to two sides of the housing 1, and the gear box 3 is attached to the end opposite to the butt joint surface 17, that is, the U-shaped structure formed by the transmission assembly is located at the edge inside the housing 1, and no gap is formed between the transmission assembly and the housing 1, so that no space is wasted. The medicine feeder does not comprise a power supply part, and the circuit board assembly and the transmission assembly in the medicine feeder can be powered only after the medicine feeder is spliced with the medicine storage device and the battery; by adopting the arrangement mode, the medicine feeder is in a power-off state when independently arranged and cannot run, so that the condition of no-load running can be avoided.
In this embodiment, since there is no power supply in the administration device, the circuit board assembly needs to be provided with a battery connector 7, the battery connector 7 is used to connect a power supply other than the administration device (the power supply is provided in the drug reservoir which is the other part of the insulin pump), and the contact of the battery connector 7 is provided on the butting surface 17; the space occupied by the motor 2 is small, so that a certain space gap is formed between one end of the motor 2, which is far away from the gear box 3, and the butting surface 17, and in order to make the space utilization more sufficient and make a certain distance between the battery connector 7 and the push rod 5, a printed circuit board 6 is also arranged in the space between the motor 2 and the butting surface 17, and the printed circuit board 6 is connected with the battery connector 7; wherein the printed circuit board 6 is further arranged in the middle gap of the U-shaped structure, so that the printed circuit board 6 is L-shaped.
The transmission assembly of U-shaped and the circuit board subassembly of falling L shape are full of 1 inner space of casing, make 1 inner space utilization of casing higher, and reasonable overall arrangement setting does benefit to the miniaturization of product.
In this embodiment, in order to further reduce the space occupied by the circuit board assembly, the circuit board assembly is configured as a double-layer structure, as shown in fig. 5, that is, the printed circuit board 6 includes two hard circuit boards 20 and a soft circuit board 19, and the two hard circuit boards 20 are stacked (with a certain distance therebetween) and connected through the soft circuit board 19; the battery connector 7 and the flexible circuit board 8 are connected to one of the rigid circuit boards. The two hard circuit boards are respectively in an L shape and still in an L shape after being superposed, the soft circuit board is connected with the two hard circuit boards 20, and the soft circuit board 19 can bear larger bending degree, so that the position of the soft circuit board can not be limited to a certain position, and the flexibility is higher.
The bottom in the shell 1 is provided with a raised baffle and a column, the edge of the hard circuit board 20 positioned at the next layer is abutted against one side of the baffle, and the top end of the baffle is provided with a hook body for clamping the hard circuit board 20 at the layer; the hard circuit board 20 on the next layer is provided with a through hole, the column body passes through the through hole, the penetrating part has a certain height (the height is the spacing distance between the two layers of hard circuit boards 20), and the hard circuit board 20 on the previous layer is connected with the top end of the column body through a screw.
Wherein, the circuit board assembly comprises a key 12, preferably, a key circuit board 21 is arranged on the flexible circuit board 19, and the key 12 is arranged on the key circuit board 21; the casing 1 is provided with a fixing groove for connecting the key circuit board 21, and the through hole 18 is located on a side plate of the casing 1. The key 12 belongs to a special key, is not required to be frequently used, and is only used when the blood sugar value of a human body is high, for example, the blood sugar of the human body is high in a period of time after a meal, the required insulin amount is large, and at the moment, the mode of manually pressing the key 12 can be selected, and a certain dose of insulin (adjustable dose) can be injected at one time. Since the key 12 is not a commonly used operation key, and in order to avoid erroneous operation, the through hole 18 is provided at a position on one side of the housing 1, which is not easily touched.
In the structural arrangement, the strip-shaped flexible circuit board 19 is located on one side of the two hard circuit boards 20, the flexible circuit board 19 has a bending part, so that the flexible circuit board 19 also forms an upper and lower two-layer structure, one layer is located below the push rod 5, the other layer is located above the push rod 5 to form a semi-enclosed structure, and the key circuit board 21 is arranged on one side of the push rod 5 far away from the hard circuit boards 20. By adopting the structure, the space utilization rate is higher, and the structural arrangement is more reasonable.
In the embodiment, the motor 2 is a stepping motor 2, the forward and reverse rotation of the stepping motor 2 is finally converted into the rising or lowering of the push rod 5 in the axial direction, and in the insulin pump, the push rod 5 rises to push the piston to complete the insulin injection operation; the stepping motor 2 has the characteristics of high precision, small-amplitude propulsion and the like, can effectively reduce the deviation of the amount of the insulin injection and improve the precision of the injection amount control.
In the embodiment, the stepping motor is connected with the encoder, the encoder is matched with the stepping motor 2 for use, when the encoder detects that the stepping motor loses steps, the detected information is fed back to the circuit board assembly in time, and the control device in the circuit board assembly further sends out a control signal to enable the stepping motor to rotate, so that the stepping motor can be ensured to rotate to a specified position; the mode that step motor and encoder combine has improved the precision of dosing greatly.
In order to further realize the accurate control of injection, the flexible circuit board 8 is provided with one or more optical sensors 9, the stepping motor is adopted to cooperate with a certain number of optical sensors 9 to realize the real-time monitoring of the running state of the motor, and the closed-loop control is realized by the stepping motor and the driving signal of the stepping motor. The optical sensor 9 may be a U-shaped optocoupler, a correlation type photoelectric switch, or the like, and may sense a change in light caused by rotation of an output shaft of the stepping motor.
Preferably, the output end of the gear box 3 is provided with a pressure sensor 10, and the pressure sensor 10 is connected with the flexible circuit board 8; and/or the end of the push rod 5 is provided with a position sensor 11, and the position sensor 11 is connected with the flexible circuit board 8. The pressure sensor 10 directly senses the pressure value at the output end of the gear box 3, and the position sensor 11 conducts a circuit at a fixed position by adopting a guide material to judge the designated position; the pressure sensor 10 and the position sensor 11 judge the operation condition of the push rod 5 by detecting different parameters, so that the purpose of real-time monitoring is achieved, and the injection accuracy is ensured.
In this embodiment, the circuit board assembly further includes a warning device connected to the printed circuit board 6, where the warning device is one or more of a warning light 13, a vibration motor 14, and a buzzer 15. The warning device can achieve the purpose of prompting in the modes of sound and light and the like, for example, when the medicament is insufficient or the battery power is insufficient, a user is reminded to process in time, and the normal use of the administration device and the insulin pump is ensured.
In this embodiment, a gear is arranged at the end of the screw rod 4, the gear at the tail end of the gear box 3 is engaged with the gear on the screw rod 4, and the screw rod 4 is in threaded connection with the push rod 5, so that the gear box 3 drives the screw rod to rotate, thereby driving the push rod 5 to move circumferentially and converting the circumferential motion into axial motion. Wherein, in order to avoid the wobbling phenomenon to appear in push rod 5, set up a spacing sleeve 16 in the outside of push rod 5 for push rod 5 can only stretch out and draw back along spacing sleeve 16, ensures axial accurate removal. The shape of the limiting sleeve 16 is matched with the shape of the push rod 5.
As shown in fig. 9, the present invention further provides a drug delivery pump system, which includes a drug reservoir 300, a battery 200 and the drug delivery device 100. The medicine storage device 300, the battery 200 and the administration device 100 are three independent structures and are spliced into an administration pump system when in use, wherein the medicine storage device 300 is a disposable part, and after the liquid medicine in the medicine storage device 300 is used up, the medicine storage device 300 is discarded and cannot be reused; the battery 200 and the medicine feeder 100 are reusable parts, the battery 200 is a rechargeable battery and is provided with an adapter, the rechargeable battery can be used repeatedly, a battery cavity for placing the battery 200 is arranged in the medicine storage device 300, the battery 200 is placed in the battery cavity during splicing, and the battery 200 is taken out and can be used again when the medicine storage device 300 is discarded.
In this embodiment, one end of the battery 200, which is far away from the upper contact point thereof, is provided with one or more outwardly extending cylinders, and correspondingly, a space for accommodating the cylinders is correspondingly provided in the battery cavity 4 of the medicine storage device assembly 300, so that the design mode aims to avoid the wrong installation position of the battery 200 and realize quick installation.
In this embodiment, the medicine storage device 300 includes a housing, and a liquid medicine cavity, a battery cavity and a needle tube cavity are arranged in the housing; one end of the shell is a butt joint end connected with the medicine feeder, and the openings of the liquid medicine cavity and the battery cavity are positioned at the butt joint end; a piston is arranged in the liquid medicine cavity, the piston is abutted against the push rod 5, the battery cavity is used for accommodating a battery, and a contact of the battery is contacted with a metal contact of the battery connector 7; the opening of the needle tube cavity is positioned on the outer wall of the shell, a needle tube is arranged in the needle tube cavity, and the needle tube is communicated with the liquid medicine cavity. Wherein, the metal contact on the battery and/or the battery connector 7 is set to be in a spring form, when the two metal contacts are contacted, the abutting effect can be achieved, thereby ensuring the stability of the connection.
When the insulin pump is used: the battery 200 is charged to maintain enough electric quantity, a liquid medicine, such as an insulin liquid medicine, is pumped into the medicine storage device 300, an insulin pump is taken as an example below, the shell is flicked, the piston is pushed, bubbles in the liquid medicine are discharged, the battery 200 is arranged in the battery cavity of the medicine storage device 300, a metal contact on the battery 200 is positioned at the butt joint surface of the medicine storage device 300, and the outer end of the piston is also positioned at the butt joint surface after the medicine storage device 300 is filled with the insulin liquid; the abutting surface of the medicine reservoir 300 and the abutting surface of the medicine applicator 100 are abutted, wherein the housing of the medicine reservoir 300 or the housing of the medicine applicator 100 extends towards each other to form an opening, and the opening can be clamped with the housing or the housing at the opposite side to form an integral structure.
The battery is the power supply of motor 2, and motor 2's output shaft rotates, and the gear train in the drive gear box 3 rotates, and drive power transmission to lead screw 4, and lead screw 4 makes push rod 5 lifting height from biography, thereby push rod 5 and the mutual butt of piston promote the piston and remove, and the piston extrudes insulin by the needle tubing, and wherein, the needle tubing is connected the subcutaneous needle of reserving, by the subcutaneous needle of reserving with insulin injection in the human body.
After the insulin liquid medicine in medicine storage device 300 is used up, medicine storage device 300 is separated from medicine feeder 100, the battery in medicine storage device 300 is taken out, the battery is abandoned, new medicine storage device 300 is pumped into the insulin liquid medicine, the battery 200 is placed in and then connected with medicine feeder 100, and the insulin pump continues to be used.
In the administration pump system provided by this embodiment, the abutting surface of the housing of the drug reservoir assembly 300 is provided with an annular clamping port extending outward, one end of the casing of the administration device 100 close to the abutting surface can be inserted into the annular clamping port, when in connection, the abutting surface of the administration device 100 and the abutting surface of the drug reservoir assembly are oppositely arranged, and a force towards the abutting position is applied to one or both of the abutting surfaces, so that the administration device 100 and the drug reservoir assembly 300 are clamped and connected; wherein, the surface of the shell of the drug delivery device 100 and/or the shell of the drug storage device assembly 300 can be provided with an anti-slip layer, such as a raised strip or point, which can increase the friction force and facilitate the force application operation.
When separation is required, the user holds the applicator 100 with one hand and the reservoir assembly 300 with the other hand, and applies force upward or downward with the butt joint as a point of application, so that a "click" can be heard, and the applicator 100 and the reservoir assembly 300 are separated. The drug delivery pump system is simple and convenient to assemble, disassemble and assemble.
The above has been explained by taking an insulin pump as an example, and in implementation, the above technical solution can be applied to other drug delivery devices requiring automatic multiple subcutaneous bolus injections.
The above-described embodiments should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The medicine feeder is characterized by comprising a shell (1), a transmission assembly and a circuit board assembly; the transmission assembly and the circuit board assembly are arranged in the shell (1), and one end face of the shell (1) is a butt joint face (17);
the transmission assembly comprises a motor (2), a gear box (3), a screw rod (4) and a push rod (5) which are coaxially and in threaded connection, the motor (2) is connected with the circuit board assembly, the motor (2), the gear box (3) and the push rod (5) are arranged in a U shape, the U-shaped opening faces to a butt joint surface (17), the output end of the motor (2) is connected with one end of the gear box (3), the other end of the gear box (3) is connected with the screw rod (4), and one end, far away from the gear box (3), of the push rod (5) penetrates through the butt joint surface (17) to be located on the outer side of the shell (1);
the circuit board assembly comprises a printed circuit board (6), a battery connector (7) and a flexible circuit board (8), wherein a motor (2) is connected with the flexible circuit board (8), the battery connector (7) is connected with the printed circuit board (6), a metal contact is arranged on the battery connector (7), the metal contact protrudes out of a butt joint face (17) and is located on the outer side of a shell (1), the printed circuit board (6) is L-shaped, one edge of the L-shaped contact is located between the butt joint face (17) and one end, far away from a gear box (3), of the motor (2), and the other edge of the L-shaped contact is located between the motor (2) and a push rod (5).
2. Dispenser according to claim 1, wherein the printed circuit board (6) comprises two rigid circuit boards (20) connected by a flexible circuit board (19), the two rigid circuit boards (20) being arranged one above the other in an L-shape;
the battery connector (7) and the flexible circuit board (8) are connected with one hard circuit board (20).
3. The dispenser according to claim 1 or 2, wherein the motor (2) is a stepper motor and the flexible circuit board (8) is provided with an optical sensor (9) for monitoring the operating state of the stepper motor.
4. Dispenser according to claim 1 or 2, wherein the output of the gear box 3 is provided with a pressure sensor (10), the pressure sensor (10) being connected to the flexible circuit board (8);
and/or
The tail end of the push rod (5) is provided with a position sensor (11), and the position sensor (11) is connected with the flexible circuit board (8).
5. Dispenser according to claim 2, characterized in that the printed circuit board (6) is provided with a key (12) and the housing (1) is provided with a through hole (18), the key (12) protruding from the through hole (18).
6. The dispenser according to claim 5, wherein the flexible circuit board (19) is provided with a key circuit board (21), and the key (12) is provided on the key circuit board (21);
a fixing groove for connecting the key circuit board (21) is formed in the shell (1), and the through hole (18) is formed in a side plate of the shell (1).
7. The dispenser according to claim 1 or 2, wherein the circuit board assembly further comprises a warning device connected to the printed circuit board (6), wherein the warning device is one or more of a warning lamp (13), a vibration motor (14) and a buzzer (15).
8. The dispenser according to claim 1 or 2, wherein the transmission assembly further comprises a limiting sleeve (16), the limiting sleeve (16) is connected with the box body of the gear box (3), and the lead screw (4) and the push rod (5) are arranged in the limiting sleeve (16).
9. A drug delivery pump system, comprising a drug reservoir (300), a battery (200) and a drug delivery device (100) according to any of claims 1 to 8.
10. The drug delivery pump system of claim 9, wherein the drug reservoir (300) comprises a housing having a drug fluid chamber, a battery chamber, and a needle chamber disposed therein;
one end of the shell is a butt joint end connected with the medicine feeder (100), and openings of the liquid medicine cavity and the battery cavity are positioned at the butt joint end;
a piston is arranged in the liquid medicine cavity, the piston is abutted against the push rod, the battery cavity is used for accommodating the battery, and a contact of the battery is contacted with a metal contact of the battery connector;
the opening of the needle tube cavity is positioned on the outer wall of the shell, a needle tube is arranged in the needle tube cavity, and the needle tube is communicated with the liquid medicine cavity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344634.8A CN111053956A (en) | 2019-12-24 | 2019-12-24 | Dosing device and dosing pump system |
| PCT/CN2020/135159 WO2021129402A1 (en) | 2019-12-24 | 2020-12-10 | Drug delivery device and drug delivery pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344634.8A CN111053956A (en) | 2019-12-24 | 2019-12-24 | Dosing device and dosing pump system |
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| Publication Number | Publication Date |
|---|---|
| CN111053956A true CN111053956A (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911344634.8A Pending CN111053956A (en) | 2019-12-24 | 2019-12-24 | Dosing device and dosing pump system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111053956A (en) |
| WO (1) | WO2021129402A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921038A (en) * | 2020-09-10 | 2020-11-13 | 深圳瑞宇医疗科技有限公司 | Two-section type driving injection device for insulin pump |
| CN112618857A (en) * | 2020-12-10 | 2021-04-09 | 微泰医疗器械(杭州)股份有限公司 | Assembled flexible circuit board, manufacturing method thereof and drug delivery device |
| WO2021129402A1 (en) * | 2019-12-24 | 2021-07-01 | 微泰医疗器械(杭州)有限公司 | Drug delivery device and drug delivery pump system |
| CN114712614A (en) * | 2022-04-07 | 2022-07-08 | 微泰医疗器械(杭州)股份有限公司 | Infusion pump |
| WO2022148041A1 (en) * | 2021-01-05 | 2022-07-14 | Medtrum Technologies Inc. | Skin patch drug infusion device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4241803A1 (en) * | 2022-03-10 | 2023-09-13 | TecMed AG | Drug delivery device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030167039A1 (en) * | 1999-10-28 | 2003-09-04 | Medtronic Minimed, Inc. | Drive system seal |
| US20070073235A1 (en) * | 2005-09-26 | 2007-03-29 | Estes Mark C | Operating an infusion pump system |
| CN101628138A (en) * | 2009-08-17 | 2010-01-20 | 北京航空航天大学 | Piezoelectric-driven portable insulin infusion pump |
| CN201692438U (en) * | 2010-04-20 | 2011-01-05 | 深圳市利泰尔科技有限公司 | Insulin pump for allocating automatic drug administration transmission assembly |
| CN102233148A (en) * | 2010-04-27 | 2011-11-09 | 深圳市利泰尔科技有限公司 | Insulin pump capable of automatically detecting drug loading amount and automatic detection method for drug loading amount |
| US20140236087A1 (en) * | 2013-02-18 | 2014-08-21 | Medtronic Minimed, Inc. | Infusion device having gear assembly initialization |
| CN106029125A (en) * | 2014-02-26 | 2016-10-12 | 特克法马许可公司 | Device for administering a fluid product |
| US20170056582A1 (en) * | 2014-05-14 | 2017-03-02 | Meamedical Ag | Metering device for dispensing pharmaceutical fluid from a reservoir having a spindle rod for displacement of the piston |
| CN110496266A (en) * | 2018-05-18 | 2019-11-26 | 南京五加健康管理股份有限公司 | A kind of device and its application method of portable minisize electronic control insulin injection |
| CN211884798U (en) * | 2019-12-24 | 2020-11-10 | 微泰医疗器械(杭州)有限公司 | Dosing device and dosing pump system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008139459A1 (en) * | 2007-05-11 | 2008-11-20 | Medingo Ltd. | Methods and apparatus for monitoring rotation of an infusion pump driving mechanism |
| WO2009144726A1 (en) * | 2008-05-29 | 2009-12-03 | Medingo Ltd. | A device, a system and a method for identification/authentication of parts of a medical device |
| US9427523B2 (en) * | 2012-12-10 | 2016-08-30 | Bigfoot Biomedical, Inc. | Infusion pump system and method |
| US10518039B2 (en) * | 2016-04-29 | 2019-12-31 | Verily Life Sciences Llc | Apparatus and methods for tracking administering of medication by medication injection devices |
| CN206687971U (en) * | 2016-12-22 | 2017-12-01 | 郑州万辉医疗设备有限公司 | A kind of transmission mechanism of the insulin pump with touch control |
| CN111053956A (en) * | 2019-12-24 | 2020-04-24 | 微泰医疗器械(杭州)有限公司 | Dosing device and dosing pump system |
-
2019
- 2019-12-24 CN CN201911344634.8A patent/CN111053956A/en active Pending
-
2020
- 2020-12-10 WO PCT/CN2020/135159 patent/WO2021129402A1/en active Application Filing
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030167039A1 (en) * | 1999-10-28 | 2003-09-04 | Medtronic Minimed, Inc. | Drive system seal |
| US20070073235A1 (en) * | 2005-09-26 | 2007-03-29 | Estes Mark C | Operating an infusion pump system |
| CN101628138A (en) * | 2009-08-17 | 2010-01-20 | 北京航空航天大学 | Piezoelectric-driven portable insulin infusion pump |
| CN201692438U (en) * | 2010-04-20 | 2011-01-05 | 深圳市利泰尔科技有限公司 | Insulin pump for allocating automatic drug administration transmission assembly |
| CN102233148A (en) * | 2010-04-27 | 2011-11-09 | 深圳市利泰尔科技有限公司 | Insulin pump capable of automatically detecting drug loading amount and automatic detection method for drug loading amount |
| US20140236087A1 (en) * | 2013-02-18 | 2014-08-21 | Medtronic Minimed, Inc. | Infusion device having gear assembly initialization |
| CN106029125A (en) * | 2014-02-26 | 2016-10-12 | 特克法马许可公司 | Device for administering a fluid product |
| US20160361494A1 (en) * | 2014-02-26 | 2016-12-15 | Tecpharma Licensing Ag | Device for administering a fluid product |
| US20170056582A1 (en) * | 2014-05-14 | 2017-03-02 | Meamedical Ag | Metering device for dispensing pharmaceutical fluid from a reservoir having a spindle rod for displacement of the piston |
| CN110496266A (en) * | 2018-05-18 | 2019-11-26 | 南京五加健康管理股份有限公司 | A kind of device and its application method of portable minisize electronic control insulin injection |
| CN211884798U (en) * | 2019-12-24 | 2020-11-10 | 微泰医疗器械(杭州)有限公司 | Dosing device and dosing pump system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021129402A1 (en) * | 2019-12-24 | 2021-07-01 | 微泰医疗器械(杭州)有限公司 | Drug delivery device and drug delivery pump system |
| CN111921038A (en) * | 2020-09-10 | 2020-11-13 | 深圳瑞宇医疗科技有限公司 | Two-section type driving injection device for insulin pump |
| CN112618857A (en) * | 2020-12-10 | 2021-04-09 | 微泰医疗器械(杭州)股份有限公司 | Assembled flexible circuit board, manufacturing method thereof and drug delivery device |
| WO2022121945A1 (en) * | 2020-12-10 | 2022-06-16 | 微泰医疗器械(杭州)股份有限公司 | Assembled flexible circuit board and fabrication method therefor, and drug delivery device |
| WO2022148041A1 (en) * | 2021-01-05 | 2022-07-14 | Medtrum Technologies Inc. | Skin patch drug infusion device |
| CN114712614A (en) * | 2022-04-07 | 2022-07-08 | 微泰医疗器械(杭州)股份有限公司 | Infusion pump |
| CN114712614B (en) * | 2022-04-07 | 2023-08-22 | 微泰医疗器械(杭州)股份有限公司 | Infusion pump |
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