CN112618857A - Assembled flexible circuit board, manufacturing method thereof and drug delivery device - Google Patents
Assembled flexible circuit board, manufacturing method thereof and drug delivery device Download PDFInfo
- Publication number
- CN112618857A CN112618857A CN202011436075.6A CN202011436075A CN112618857A CN 112618857 A CN112618857 A CN 112618857A CN 202011436075 A CN202011436075 A CN 202011436075A CN 112618857 A CN112618857 A CN 112618857A
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- Prior art keywords
- arm
- circuit board
- flexible circuit
- encoder
- connecting plate
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- 238000012377 drug delivery Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 21
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 claims description 22
- 102000004877 Insulin Human genes 0.000 claims description 11
- 108090001061 Insulin Proteins 0.000 claims description 11
- 229940125396 insulin Drugs 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 6
- 229940079593 drug Drugs 0.000 description 5
- 238000003860 storage Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007920 subcutaneous administration Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
-
- 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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
-
- 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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides an assembled flexible circuit board, a manufacturing method thereof and a drug delivery device, which are beneficial to miniaturization of products. The assembled flexible circuit board comprises an L-shaped substrate (1) including a first arm (62) and a second arm (63) connected to each other at a right angle, and: a first arm (62) of the L-shaped substrate (1) is provided with an encoder placing frame (2) and a motor connecting plate (4); the second arm (63) of the L-shaped substrate (1) is provided with a sensor connection portion.
Description
Technical Field
The invention relates to the technical field of flexible circuit boards, in particular to an assembled flexible circuit board, a manufacturing method thereof and a drug delivery device.
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, the present invention provides an assembled flexible circuit board, a manufacturing method thereof and a drug delivery device, which are helpful for miniaturization of products.
The invention provides the following technical scheme:
an assembled flexible circuit board comprising an L-shaped substrate (1), the L-shaped substrate (1) comprising a first arm (62) and a second arm (63) connected to each other at a right angle, and: a first arm (62) of the L-shaped substrate (1) is provided with an encoder placing frame (2) and a motor connecting plate (4); a second arm (63) of the L-shaped substrate (1) is provided with a sensor connecting portion.
Optionally, the sensor connection part is a sensor connection plate (3); the sensor connecting plate (3) is provided at an end of the second arm (63) and perpendicular to the second arm (63).
Optionally, the flexible printed circuit board further comprises an extension arm (90), wherein the extension arm is a flexible printed circuit board or a rigid-flexible printed circuit board, and the starting end of the extension arm is integrally connected with the L-shaped substrate (1) in a welding or bonding mode; the sensor connecting plate (3) is arranged at the tail end of the extension arm (90) and is perpendicular to the extension arm (90).
Optionally, the sensor connection part is a folded part (61); the fold-up portion (61) is provided at an end of the second arm (63) and perpendicular to the second arm (63).
Optionally, the encoder placement frame (2) is disposed near an end of the first arm (62); a motor connecting plate (4) is arranged between the connecting part of the first arm (62) and the second arm (63) and the encoder placing frame (2); the opening direction of the encoder placing frame (2) is consistent with the extending direction of the first arm (62); the motor connecting plate (4) is positioned on the side edge of the first arm (62) and is vertical to the plane of the first arm (62) and the plane of the opening of the encoder placing frame (2).
Optionally, an optical coupler (81) is arranged on the inner surface of the encoder placing frame (2); an impeller (82) is arranged on a rotating shaft of the motor, and the rotating track of blades of the impeller (82) passes through the optical coupler (81).
A drug delivery device comprising the assembled flexible circuit board of the present invention.
Optionally, the drug delivery device is an insulin pump.
An assembled flexible circuit board comprising an L-shaped substrate (1) and an encoder placing frame base material (20), wherein: the L-shaped substrate (1) comprises a first arm (62) and a second arm (63) which are connected into a right angle, and the first arm (62) is provided with a motor connecting plate (4); the encoder placing frame base material (20) extends in a strip shape from the first arm (62) or the motor connecting plate (4) along a direction perpendicular to the first arm (62).
A method for manufacturing a flexible circuit board assembly according to the present invention includes the steps of: forming the L-shaped substrate (1) and an encoder placing frame base material (20); the encoder placement frame base material (20) is wound from the end portion to the root portion to form an encoder placement frame (2).
According to the technical scheme of the invention, the L-shaped flexible circuit is adopted to simultaneously bear three main electric elements, namely the encoder, the motor and the sensor, so that the whole device is compact in structure and contributes to product miniaturization.
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:
fig. 1 is a schematic view of a first flexible circuit board according to an embodiment of the present invention;
FIG. 2 is a schematic view of an encoder placing frame of a first flexible circuit board according to an embodiment of the present invention;
FIG. 3 is a schematic view of a second flexible circuit board according to an embodiment of the present invention;
FIG. 4 is a schematic view of a portion of an insulin delivery device according to the present invention, to which a second flexible circuit board according to an embodiment of the present invention is applied;
FIG. 5 is a schematic view of a motor, encoder, and sensor mounted on a second flexible circuit board according to an embodiment of the present invention;
FIG. 6 is a schematic view of a third flexible circuit board according to an embodiment of the present invention;
fig. 7 is a schematic view of a fourth flexible circuit board according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described below with reference to the accompanying drawings. Referring to fig. 1 to 7, the flexible circuit board and other components are assembled to form an assembled flexible circuit board according to an embodiment of the present invention, which includes an L-shaped substrate 1, typically a multi-layer circuit board, the L-shaped substrate including a first arm 62 and a second arm 63 connected to each other at a right angle, the first arm 62 being provided with an encoder placing frame 2 and a motor connecting plate 4, and the second arm 63 being provided with a sensor connecting plate 3.
Such an assembled flexible circuit board is mainly used in some drug delivery devices, such as an application type insulin dispenser, as shown in fig. 4, and drug delivery is performed by rotating a lead screw (located in a push rod 71 in the figure) to push the push rod 71 and then a piston (not shown in the figure) to inject liquid medicine. The motor 72 provides power, the screw rod is conducted and driven to rotate through a reduction gear set in the gear box 73, the pressure sensor 83 (see fig. 5) is triggered when the driving force reaches the screw rod, the confirmation of the start of the injection is realized, the motor revolution is monitored by the coding device, and the revolution is converted into the number of revolutions of the screw rod according to the number of revolutions so as to control the dosage. Therefore, 1 substrate is adopted to simultaneously bear three main electric elements of the encoder, the motor and the sensor, so that the whole drug delivery device is compact in structure and contributes to product miniaturization.
The pressure sensor 83 is arranged on the sensor connection plate 3 and the circuitry associated with the pressure sensor 83 is arranged within the sensor connection plate 3, so that the component 3 can now be referred to as a sensor connection plate, although in a particular implementation the component 3 can also carry other required elements.
For confirming the withdrawing of the push rod 71 to the initial position, the conductive rubber at the root of the push rod 71 and the two interdigital structures or the two contact points with a distance on the folded part 61 can be used, the conductive rubber and the interdigital structures or the contact points form a sensor, and when the push rod 71 is withdrawn to the initial position, the conductive rubber conducts the two interdigital structures or the contact points, so that a signal is generated.
With respect to the encoder placement frame 2, as shown in fig. 3, the encoder placement frame 2 may be disposed near the end of the first arm 62; a motor connecting plate 4 is provided between the connecting portion of the first arm 62 and the second arm 63 and the encoder mounting frame 2. And a limiting hole 5 is formed in the surface of the motor connecting plate 4 and is used as a terminal outlet for electric connection of a motor. Alternatively, as shown in fig. 1, the motor connecting plate 4 may be connected with a heat conducting plate 6, and a through hole 7 communicated with the limiting hole 5 is formed on the surface of the heat conducting plate 6.
Referring to fig. 3, the first arm 62, the encoder placing frame 2 and the motor connecting plate 4 are perpendicular to each other to form a space of a partial rectangular parallelepiped, so that the motor 72 (see fig. 5) is disposed therein to be considerably limited and thus the installation is stable. In fig. 5, a motor mounting plate 74 is further disposed at the bottom of the motor 72, i.e., at the end perpendicular to the motor shaft, the motor mounting plate 74 is perpendicular to the motor connecting plate 4 and the first arm 62, and has a screw hole 73 for passing a fixing screw. The motor 72 is thus surrounded on three sides and is more robust.
The connection portion of the first arm 62 and the second arm 63 is provided with 2 mounting holes 8, because the above-mentioned electric elements are not provided here, and the mounting holes are provided here to facilitate the fixation of the entire L-shaped substrate.
As shown in fig. 3, the sensor link plate 3 may be provided at an end of the second arm 63 and perpendicular to the second arm 63; the end of the second arm 63 also has a fold-up 61 perpendicular to the second arm 63; the folded portion 61 and the sensor connecting plate 3 are located on the same side of the plane of the second arm 63, and are located on both sides in the extending direction of the second arm 63.
As for an optional structure in the encoder placing frame 2, referring to fig. 2, a screw rod 9 parallel to a lower side wall (according to a view angle in the figure) is arranged at a position of an inner cavity of the encoder placing frame 2 close to the side wall, threads are arranged on two sides of the surface of the screw rod 9 from a center point of the screw rod 9, the rotation directions are opposite, a pair of clamping plates 10 are sleeved on the threads, and the clamping plates 10 are in threaded connection with the screw rod 9; one end of the screw rod 9 penetrates out of the encoder placing frame 2 and is connected with a knob 11. The end of the clamping plate 10 is provided with a guide block 12 protruding towards the lower side wall, a guide groove 13 is arranged in the first side wall, and the guide block 12 extends into the guide groove 13. During the equipment, place the encoder in the inner chamber that frame 2 was placed to the encoder, rotate knob 11, knob 11 drives lead screw 9 rotatory, and lead screw 9 makes splint 10 begin relative movement through with splint 10 threaded connection, and splint 10 drives rubber pad 14 and removes, and rubber pad 14 carries out the centre gripping fixedly to the encoder.
Fig. 5 shows a preferred structure of the encoder and encoder placing frame 2, wherein the encoder comprises an impeller 82 and an optical coupler 81, and blades of the impeller 82 extend into the optical coupler 81, so that the optical coupler 81 is triggered to count when rotating. And the blades are sleeved on the rotating shaft of the motor 72, so that the number of rotating turns is counted.
The encoder placement frame 2 may be a separately manufactured frame body and then welded or bonded to the first arm 62, and a preferable mode may be the mode of fig. 6, that is, a flexible circuit board 60 shown in fig. 6 is manufactured first, and has a structure similar to the flexible circuit board 1, including a first arm (62) and a second arm (63) connected at right angles to each other, except that there is an elongated encoder placement frame base material (20) which is wound to form the encoder placement frame base material (2). The encoder mounting frame base material (20) in fig. 6 is connected to the motor connecting plate (4) or may be connected to the first arm (62).
Fig. 7 shows an alternative form of the sensor connection board, which is a single flexible circuit board or a rigid-flex circuit board as an extension arm 90, one end of which is connected to the second arm 63 of the L-shaped base board 1 by welding or bonding, and the other end of which can be connected to the folded-up portion 61 and the sensor connection board 3 in the manner described above.
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. An assembled flexible circuit board which characterized in that: comprising an L-shaped base plate (1), the L-shaped base plate (1) comprising a first arm (62) and a second arm (63) connected to each other at a right angle, and:
a first arm (62) of the L-shaped substrate (1) is provided with an encoder placing frame (2) and a motor connecting plate (4);
a second arm (63) of the L-shaped substrate (1) is provided with a sensor connecting portion.
2. The assembled flexible circuit board of claim 1, wherein:
the sensor connecting part is a sensor connecting plate (3);
the sensor connecting plate (3) is provided at an end of the second arm (63) and perpendicular to the second arm (63).
3. The assembled flexible circuit board of claim 1, wherein:
the flexible circuit board is characterized by further comprising an extension arm (90), wherein the extension arm is a flexible circuit board or a rigid-flexible circuit board, and the starting end of the extension arm is integrally connected with the L-shaped substrate (1) in a welding or bonding mode;
the sensor connecting plate (3) is arranged at the tail end of the extension arm (90) and is perpendicular to the extension arm (90).
4. The modular flexible circuit board of claim 1,
the sensor connecting part is a folded part (61);
the fold-up portion (61) is provided at an end of the second arm (63) and perpendicular to the second arm (63).
5. The assembled flexible circuit board according to any one of claims 1 to 4,
an encoder placement frame (2) is provided near the end of the first arm (62);
a motor connecting plate (4) is arranged between the connecting part of the first arm (62) and the second arm (63) and the encoder placing frame (2);
the opening direction of the encoder placing frame (2) is consistent with the extending direction of the first arm (62);
the motor connecting plate (4) is positioned on the side edge of the first arm (62) and is vertical to the plane of the first arm (62) and the plane of the opening of the encoder placing frame (2).
6. The assembled flexible circuit board of claim 5,
an optical coupler (81) is arranged on the inner surface of the encoder placing frame (2);
an impeller (82) is arranged on a rotating shaft of the motor, and the rotating track of blades of the impeller (82) passes through the optical coupler (81).
7. A drug delivery device comprising the assembled flexible circuit board of any one of claims 1 to 6.
8. The drug delivery device of claim 7, wherein the drug delivery device is an insulin pump.
9. An assembled flexible circuit board, comprising an L-shaped substrate (1) and an encoder placing frame base material (20), wherein:
the L-shaped substrate (1) comprises a first arm (62) and a second arm (63) which are connected into a right angle, and the first arm (62) is provided with a motor connecting plate (4);
the encoder placing frame base material (20) extends in a strip shape from the first arm (62) or the motor connecting plate (4) along a direction perpendicular to the first arm (62).
10. A method for manufacturing a flexible circuit board assembly, for manufacturing the flexible circuit board assembly of claim 9, comprising the steps of:
forming the L-shaped substrate (1) and an encoder placing frame base material (20);
the encoder placement frame base material (20) is wound from the end portion to the root portion to form an encoder placement frame (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011436075.6A CN112618857A (en) | 2020-12-10 | 2020-12-10 | Assembled flexible circuit board, manufacturing method thereof and drug delivery device |
| PCT/CN2021/136480 WO2022121945A1 (en) | 2020-12-10 | 2021-12-08 | Assembled flexible circuit board and fabrication method therefor, and drug delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011436075.6A CN112618857A (en) | 2020-12-10 | 2020-12-10 | Assembled flexible circuit board, manufacturing method thereof and drug delivery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112618857A true CN112618857A (en) | 2021-04-09 |
Family
ID=75309343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011436075.6A Pending CN112618857A (en) | 2020-12-10 | 2020-12-10 | Assembled flexible circuit board, manufacturing method thereof and drug delivery device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112618857A (en) |
| WO (1) | WO2022121945A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1007676S1 (en) | 2021-11-16 | 2023-12-12 | Regeneron Pharmaceuticals, Inc. | Wearable autoinjector |
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2020
- 2020-12-10 CN CN202011436075.6A patent/CN112618857A/en active Pending
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2021
- 2021-12-08 WO PCT/CN2021/136480 patent/WO2022121945A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
|---|---|
| WO2022121945A1 (en) | 2022-06-16 |
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Application publication date: 20210409 |