CN214859966U - Implanted energy-saving infusion pump - Google Patents
Implanted energy-saving infusion pump Download PDFInfo
- Publication number
- CN214859966U CN214859966U CN202023123643.5U CN202023123643U CN214859966U CN 214859966 U CN214859966 U CN 214859966U CN 202023123643 U CN202023123643 U CN 202023123643U CN 214859966 U CN214859966 U CN 214859966U
- Authority
- CN
- China
- Prior art keywords
- valve
- flow valve
- infusion pump
- liquid medicine
- elasticity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an implanted energy-conserving infusion pump belongs to microfluid control medical equipment technical field, implanted energy-conserving infusion pump includes the casing, is provided with elasticity anther sac, initiative flow valve and the pump control module that can relapse energy storage in the casing, is provided with liquid medicine entry and liquid medicine export on the casing, the liquid medicine entry and the entry linkage of elasticity anther sac, the entry of elasticity anther sac is equipped with sealing silica gel, the export of elasticity anther sac is through the liquid medicine export of initiative flow valve connection casing, pump control module control connection initiative flow valve. The utility model discloses in, the malleation that produces when power comes from the elasticity anther sac to store the liquid medicine, rethread initiative flow valve carries out the miniflow and adjusts and make the stable output of medicine, does not need the external energy, need not the battery during the medicine output and lasts the power supply, and this consumption that has just saved the battery greatly has prolonged the life of pump greatly.
Description
Technical Field
The utility model relates to a microfluid control medical equipment technical field especially indicates an implanted energy-conserving infusion pump.
Background
Implantable drug infusion pumps typically allow controlled delivery of drug solutions to a designated target (e.g., implanted in a region with high subcutaneous fat to provide pain medication or insulin, etc.), for example, with automatic delivery of the drug at regular intervals or continuously over time. When the drug reservoir is depleted of drug, the physician may refill the drug reservoir using, for example, a syringe while leaving the implanted device in the patient's body. This approach can minimize the surgical incision required for implantation and generally avoids future or repeated invasive surgical procedures or procedures. In the prior art, a micro stepping speed-reducing motor is generally adopted to drive a micro peristaltic pump to pump liquid medicine to be infused to a target part of a patient, and the speed of the stepping motor is adjusted to control the infusion speed of the medicine, detect the amount of the residual medicine in real time and prompt the infusion time of the residual medicine.
Since most patients require long-term continuous use after a drug infusion pump is implanted in the body, the pump needs to be operated intermittently to avoid line blockage even during periods when the patient is not in use. And the peristaltic pump is usually used in the existing drug infusion pump, the battery is driven, the energy consumption is large, the pump is not beneficial to being implanted into a human body, the service life is limited by the battery capacity, the battery capacity is increased, the volume of the pump can be increased, the service life of the pump can be seriously influenced by reducing the battery capacity, once the electric quantity is exhausted, the pump needs to be taken out through an operation, and then a new pump is implanted, so that physical and psychological pains and economic pains are brought to a patient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an energy-conserving infusion pump of implanted of low energy consumption, long service life.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
the utility model provides an implanted energy-conserving infusion pump, includes the casing, be provided with elasticity anther sac, initiative flow valve and the pump control module that can relapse energy storage in the casing, wherein:
be provided with liquid medicine entry and liquid medicine export on the casing, the liquid medicine entry with the entry of elasticity anther sac is connected, the entry of elasticity anther sac is equipped with sealing silica gel, the export warp of elasticity anther sac the initiative flow valve is connected the liquid medicine export of casing, pump control module control connection the initiative flow valve.
Furthermore, a self-adaptive flow valve is arranged between the elastic medicine bag and the active flow valve.
Further, a bacteria filter and/or a one-way valve is arranged between the elastic medicine bag and the self-adaptive flow valve.
Furthermore, be equipped with valve entry, valve export and pressure inlet on the valve body of self-adaptation flow valve, the elasticity anther sac is equipped with the pressure outlet.
Further, the lower part is equipped with the conduction component in the valve body, the conduction component with form valve upper reaches chamber between the bottom of valve body, be in the valve body the top of conduction component is equipped with the seal membrane, form valve low reaches chamber between seal membrane and the conduction component, form the pressure balance chamber between the top of seal membrane and valve body.
Furthermore, be equipped with more than two intercommunication on the conduction element the passageway in valve upper reaches chamber and valve low reaches chamber, the seal membrane receives the pressure in pressure balance chamber to move down, closes the passageway of conduction element gradually, reaches the effect of regulation flow.
Further, the conducting element gradually decreases from the middle to the periphery.
Furthermore, the conducting element is circular, a plurality of step surfaces which gradually decrease are arranged from the middle to the periphery, and each step surface is provided with the channel.
Further, the active flow valve comprises a valve core channel arranged in the valve body, a permanent magnet valve core positioned in the channel, and a coil arranged on the side wall of the valve body and matched with the permanent magnet valve core, wherein:
the permanent magnet valve core is conical, the front end of the permanent magnet valve core extends into an outlet pipeline of the active flow valve, and a damping sealing ring is sleeved at the tail end of the permanent magnet valve core;
the pump control module controls the connection coil.
Further, a bacteria filtering membrane and/or a one-way valve is arranged between the outlet of the active flow valve and the liquid medicine outlet of the shell.
Further, the elastic medicine bag is only fixed at the bottom, and a spherical position sensor is arranged between the top of the elastic medicine bag and the shell.
The utility model discloses following beneficial effect has:
the utility model discloses an energy-conserving infusion pump of implanted, its power comes from the malleation that produces when the liquid medicine is stored to the elasticity anther sac, and rethread initiative flow valve carries out the miniflow and adjusts and make the stable output of medicine, does not need the external energy, need not the battery during the medicine output and lasts the power supply, and this consumption that has just saved the battery greatly has prolonged the life of pump greatly, has reduced the volume of pump, so the utility model relates to a rationally, simple structure, the energy consumption is low, long service life.
Drawings
Fig. 1 is a schematic view of the whole structure of the implanted energy-saving infusion pump of the present invention when the elastic drug bag is in a full state (80% drug solution full state);
fig. 2 is a schematic view of the whole structure of the implanted energy-saving infusion pump (20% liquid medicine state) in the use process;
FIG. 3 is a bottom view of the implantable energy-saving infusion pump of FIG. 1;
FIG. 4 is a schematic structural view of the adaptive flow valve of FIG. 1 when the adaptive flow valve is 30% open;
FIG. 5 is a schematic structural view of the adaptive flow valve of FIG. 1 when the adaptive flow valve is 80% open;
FIG. 6 is a schematic top view of the conductive element shown in FIG. 4;
FIG. 7 is a schematic structural diagram of the active flow valve of FIG. 1.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides an implanted energy-conserving infusion pump, as shown in fig. 1 to 7, including casing 1, be provided with elasticity anther sac 2, initiative flow valve 3 and pump control module 4 that can the energy storage repeatedly in the casing 1, wherein:
the shell 1 is provided with a liquid medicine inlet 1-1 and a liquid medicine outlet 1-2, the liquid medicine inlet 1-1 is connected with an inlet 2-1 of the elastic medicine bag 2, the inlet 2-1 of the elastic medicine bag 2 is provided with sealing silica gel 2-2, an outlet 2-3 of the elastic medicine bag 2 is connected with the liquid medicine outlet 1-2 of the shell 1 through an active flow valve 3, and a pump control module 4 is in control connection with the active flow valve 3.
When the medical liquid injection device is used, a syringe 5 (used for injecting medical liquid into a pump according to a set dosage of medicine) is inserted into a medical liquid inlet 1-1 of a shell 1, the medical liquid is injected into an elastic medical bag 2 through sealing silica gel 2-2 of an inlet 2-1 of the elastic medical bag 2, the elastic medical bag 2 is used for storing the medical liquid, the edge of the elastic medical bag 2 starts to gradually move upwards when the medical liquid is injected, meanwhile, the internal pressure of the elastic medical bag 2 gradually rises, fig. 1 shows a schematic diagram that the elastic medical bag 2 stores a full state (positive pressure) of the medical liquid, and then when the medical liquid is injected into a patient, the elastic medical bag 2 presses the medical liquid into an active flow valve 3, the active flow valve 3 is used for adjusting the infusion flow rate, and the medical liquid is conveyed to the medical liquid outlet 1-2 of the shell 1 and injected into the patient under the action of a pump control module 4.
The utility model discloses an energy-conserving infusion pump of implanted, its power comes from the malleation that produces when elasticity anther sac 2 stores the liquid medicine, and rethread initiative flow valve carries out the miniflow and adjusts and make the medicine stabilize the output, does not need the external energy, can lasting stable work, need not the battery during the medicine output and lasts the power supply, and this consumption that has just saved the battery greatly has prolonged the life of pump greatly, has reduced the volume of pump, so the utility model relates to a rationally, simple structure, the energy consumption is low, long service life.
The elastic sachet 2 is preferably designed so that the pressure varies linearly with the amount of liquid medicine stored. Between the elastic sachet 2 and the active flow valve 3, an adaptive flow valve 6 may be provided, as shown in fig. 4-6, the adaptive flow valve 6 may include a valve body 6-1, the valve body 6-1 is provided with a valve inlet 6-2, a valve outlet 6-3 and a pressure inlet 6-4, the elastic sachet 2 is provided with a pressure outlet 2-4, wherein:
a conducting element 6-5 is arranged at the lower part in a valve body 6-1 of the self-adaptive flow valve 6, a valve upstream cavity 6-6 is formed between the conducting element 6-5 and the bottom of the valve body 6-1, a sealing membrane 6-7 is arranged above the conducting element 6-5 in the valve body 6-1 of the self-adaptive flow valve 6, a valve downstream cavity 6-8 is formed between the sealing membrane 6-7 and the conducting element 6-5, and a pressure balance cavity 6-9 is formed between the sealing membrane 6-7 and the top of the valve body 6-1 of the self-adaptive flow valve 6;
the valve inlet 6-2 is arranged on the valve upstream cavity 6-6, the valve inlet 6-2 is connected with the outlet 2-3 of the elastic medicine bag, the valve outlet 6-3 is arranged on the valve downstream cavity 6-8, the valve outlet 6-3 is connected with the inlet 3-2 of the active flow valve 3, the pressure inlet 6-4 is arranged on the pressure balance cavity 6-9, and the pressure inlet 6-4 is connected with the pressure outlet 2-3 of the elastic medicine bag 2;
more than two channels 6-10 communicated with the valve upstream cavity 6-6 and the valve downstream cavity 6-8 are arranged on the conducting element 6-5. In the embodiment shown in the figures, the number of channels 6-10 is in particular 12.
The working process of the self-adaptive flow valve 6 is as follows:
the liquid medicine is pressed into the self-adaptive flow valve 6 by the elastic medicine bag 2 through the valve inlet 6-2, the self-adaptive flow valve 6 receives feedback control of the liquid medicine pressure in the elastic medicine bag 2 through the pressure inlet 6-4, namely the opening resistance of the self-adaptive flow valve 6 is controlled by the liquid medicine pressure in the elastic medicine bag 2, the larger the liquid medicine pressure in the elastic medicine bag 2 is, the larger the valve passing resistance of the self-adaptive flow valve 6 is, namely the sealing film 6-7 moves downwards under the pressure of the pressure balance cavity 6-9, and the channel 6-10 of the conduction element 6-5 is gradually closed, so that the output medicine amount of the regulating pump is relatively constant.
In order to improve the matching effect between the conducting element 6-5 and the sealing film 6-7, the conducting element 6-5 can be gradually lowered from the middle to the periphery, so that the sealing film 6-7 can better gradually close the channel 6-10 on the conducting element 6-5 along with the downward pressing movement of the sealing film 6-7. Preferably, the conducting element 6-5 is circular, and is provided with a plurality of step surfaces gradually decreasing from the middle to the periphery, and each step surface is provided with the passage 6-10. It will be appreciated that other shapes of the conducting elements and the sealing membrane are possible, for example, the conducting elements are flat plates with channels uniformly formed thereon, and the sealing membrane is a convex lower semicircle with a high center and a low periphery.
Further, can be equipped with the bacterial filter between elastic anther sac 2 and the self-adaptation flow valve 6 for filter bacterium and particulate matter, can also be equipped with the check valve, be used for guaranteeing the medicine one-way flow, avoid the internal liquid of patient to flow backward and get into elastic anther sac 2. The one-way valve and the bacterial filter may be designed integrally as one part, as shown in fig. 1 as part 7.
In order to improve the control precision of the liquid medicine flow, pipelines between the elastic medicine bag 2 and the self-adaptive flow valve 6 and between the self-adaptive flow valve 6 and the active flow valve 3 are capillary tubes 9, and the capillary tubes 9 play a role in conveying liquid medicine and adjusting the liquid medicine flow by matching with the self-adaptive flow valve 6 and the active flow valve 3. The inner diameter of the capillary 9 is preferably 0.2 to 0.5 mm.
As shown in fig. 7, the active flow valve 3 may include a valve body 3-1, a spool passage 3-3 provided in the valve body 3-1, a permanent magnet spool 3-4 provided in the spool passage, and a coil 3-5 provided on a sidewall of the valve body 3-1 corresponding to the spool passage 3-3, wherein:
the permanent magnet valve core 3-4 is conical, the front end of the permanent magnet valve core 3-4 extends into an outlet pipeline of the active flow valve 3, and the tail end of the permanent magnet valve core is sleeved with a damping sealing ring 3-9;
the pump control module 4 controls the connection coils 3-5.
In the active flow valve 3, a valve downstream cavity 3-8 is formed between a permanent magnet valve core 3-4 and an outlet pipeline 3-6, a valve upstream cavity 3-7 is formed between the permanent magnet valve core 3-4 and a valve inlet 3-2 and between valve core channels 3-3, and a valve port 3-10 is connected with the valve upstream cavity 3-7 and the downstream cavity 3-8. When the automatic medicine bag feeding device works, the elastic medicine bag 2 presses medicine liquid into the adaptive flow valve 6, the adaptive flow valve 6 conveys the medicine liquid to the inlet 3-2 of the active flow valve and stores the medicine liquid in the upstream cavity 3-7 of the valve, and the pump control module 3 controls the connecting coils 3-5 to convey the medicine liquid into the body of a patient. Specifically, the pump control module 4 supplies forward current to the coil 3-5, the permanent magnet valve core 3-4 slightly moves rightwards, the valve port 3-10 gradually becomes smaller and is completely closed finally, the coil 3-5 is supplied with reverse current, the permanent magnet valve core 3-4 slightly moves leftwards, the valve port 3-10 gradually becomes larger and finally reaches the maximum designed valve port, the coil 3-5 can be powered off at any time as required in the opening and closing processes of the valve port 3-10, and the permanent magnet valve core 3-4 stops in time under the action of the damping sealing ring 3-9.
As shown in figure 1, a bacteria filter can be arranged between the valve outlet 3-11 of the active flow valve 3 and the liquid medicine outlet 1-2 of the shell 1 for filtering bacteria and particles, a one-way valve can be arranged for ensuring the one-way flow of the medicine and preventing the liquid in the body of the patient from flowing backwards into the active flow valve 3, and the one-way valve and the bacteria filter can be integrally designed into one part as shown in figure 7 as the parts 3-12.
In addition, the elastic medicine bag 2 can be fixed only at the bottom, a spherical position sensor 8 can be arranged between the top of the elastic medicine bag 2 and the shell 1, the residual medicine liquid of the medicine bag is monitored in real time, the output speed of the medicine liquid in a fixed period is calculated, and the output speed is fed back to the active flow valve 3 for delaying the closed-loop control of the infusion flow.
The inlet 2-1 of the elastic medicine bag 2 can be provided with a safety valve 10, when the pressure of the liquid medicine injected into the elastic medicine bag 2 reaches the maximum pressure which can be borne by the elastic medicine bag 2, the safety valve 9 is automatically closed to play a role in protecting the elastic medicine bag 2, the safety valve 10 can adopt the conventional technology in the field, which is not the key point of the scheme and is not described again here.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an implanted energy-conserving infusion pump, includes the casing, its characterized in that, be provided with elasticity anther sac, initiative flow valve and the pump control module that can relapse energy storage in the casing, wherein:
be provided with liquid medicine entry and liquid medicine export on the casing, the liquid medicine entry with the entry linkage of elasticity anther sac, the entry of elasticity anther sac is equipped with sealing silica gel, the export warp of elasticity anther sac the initiative flow valve is connected the liquid medicine export of casing, pump control module control connection the initiative flow valve.
2. The implantable energy-saving infusion pump according to claim 1, wherein an adaptive flow valve is provided between the elastic drug bag and the active flow valve, the adaptive flow valve comprises a valve body, the valve body is provided with a valve inlet, a valve outlet and a pressure inlet, the elastic drug bag is provided with a pressure outlet, wherein:
a conducting element is arranged at the lower part in the valve body of the self-adaptive flow valve, a valve upstream cavity is formed between the conducting element and the bottom of the valve body, a sealing film is arranged above the conducting element in the valve body of the self-adaptive flow valve, a valve downstream cavity is formed between the sealing film and the conducting element, and a pressure balance cavity is formed between the sealing film and the top of the valve body;
the valve inlet is arranged on the valve upstream cavity, the valve inlet is connected with the outlet of the elastic medicine bag, the valve outlet is arranged on the valve downstream cavity, the valve outlet is connected with the inlet of the active flow valve, the pressure inlet is arranged on the pressure balance cavity, and the pressure inlet is connected with the pressure outlet of the elastic medicine bag;
the conduction element is provided with more than two channels for communicating the valve upstream cavity and the valve downstream cavity, the sealing membrane moves downwards under the pressure of the pressure balance cavity to gradually close the channels of the conduction element, and the flow is adjusted.
3. The implantable energy-saving infusion pump according to claim 2, wherein the conducting element is gradually lowered from the middle to the periphery.
4. The implantable energy-saving infusion pump according to claim 3, wherein the conducting element is circular, and a plurality of gradually decreasing step surfaces are arranged from the middle to the periphery, and each step surface is provided with the channel.
5. The implantable energy-saving infusion pump according to claim 2, wherein a bacterial filter and/or a one-way valve is/are provided between the elastic drug bag and the adaptive flow valve.
6. The implantable energy-saving infusion pump according to claim 2, wherein the conduits between the elastic balloon and the adaptive flow valve and between the adaptive flow valve and the active flow valve are capillary tubes.
7. The implantable energy-saving infusion pump according to claim 6, wherein the inner diameter of the capillary tube is 0.2-0.5 mm.
8. The implantable energy-saving infusion pump according to any one of claims 1-7, wherein the active flow valve comprises a valve body, a spool channel disposed in the valve body, a permanent magnet spool disposed in the spool channel, and a coil disposed on a sidewall of the valve body corresponding to the spool channel, wherein:
the permanent magnet valve core is conical, the front end of the permanent magnet valve core extends into an outlet pipeline of the active flow valve, and a damping sealing ring is sleeved at the tail end of the permanent magnet valve core;
the pump control module is connected with the coil in a control mode.
9. The implantable energy-saving infusion pump according to claim 8, wherein a bacterial filter and/or a one-way valve is arranged between the outlet of the active flow valve and the liquid medicine outlet of the housing.
10. The implantable energy-saving infusion pump according to claim 8, wherein the elastic drug bag is fixed only at the bottom, and a spherical position sensor is arranged between the top of the elastic drug bag and the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023123643.5U CN214859966U (en) | 2020-12-22 | 2020-12-22 | Implanted energy-saving infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023123643.5U CN214859966U (en) | 2020-12-22 | 2020-12-22 | Implanted energy-saving infusion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214859966U true CN214859966U (en) | 2021-11-26 |
Family
ID=78904705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023123643.5U Active CN214859966U (en) | 2020-12-22 | 2020-12-22 | Implanted energy-saving infusion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214859966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114652917A (en) * | 2020-12-22 | 2022-06-24 | 北京安诺流控科技有限公司 | Implantable infusion pump |
-
2020
- 2020-12-22 CN CN202023123643.5U patent/CN214859966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114652917A (en) * | 2020-12-22 | 2022-06-24 | 北京安诺流控科技有限公司 | Implantable infusion pump |
| CN114652917B (en) * | 2020-12-22 | 2023-12-26 | 北京安诺流控科技有限公司 | Implantable infusion pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11744937B2 (en) | Flexible and conformal patch pump | |
| Sefton | Implantable pumps | |
| US10213549B2 (en) | Drug delivery device and methods therefor | |
| CA1262325A (en) | Pressure regulated implantable infusion pump | |
| EP2698178B1 (en) | Pump engine with metering system for dispensing liquid medication | |
| US4826480A (en) | Omentum diffusion catheter | |
| CN103599578B (en) | A kind of handheld piezoelectric drives insulin pump | |
| CN214859966U (en) | Implanted energy-saving infusion pump | |
| US6699234B2 (en) | Light, thin, and flexible medication infusion apparatuses attachable to user's skin | |
| CN214859981U (en) | Novel energy-saving infusion pump | |
| JP2019509862A (en) | Pulse injection device system and method | |
| CN114652917B (en) | Implantable infusion pump | |
| CN116350882A (en) | Insulin pump capable of accurately administering medicine and application method thereof | |
| WO2023045593A1 (en) | Safety valve assembly suitable for microdose infusion, microdose secretion pump, and insulin pump | |
| WO2023142368A1 (en) | Integrated balanced plaster type liquid drug infusion system | |
| US6485463B1 (en) | Medicine delivery apparatus with flat reservoir | |
| CN215780557U (en) | Be suitable for little dose infusion's safety valve subassembly, little dose secretion pump and insulin pump | |
| CN209933677U (en) | Aerodynamic liquid medicine conveying device | |
| KR101445363B1 (en) | Pressure adjust type drug injection device | |
| US20230173167A1 (en) | Automated drug microinjection pump with wireless communication and method of use | |
| CN113134130B (en) | Follow-up liquid medicine supply device and application equipment thereof | |
| CN215351410U (en) | Automatic water adding device for breathing machine | |
| KR20040081114A (en) | Medical infusion system with integrated power supply and pump therefor | |
| RU188139U1 (en) | Device for supplying micro quantities of medicinal solutions | |
| US20240066209A1 (en) | Dynamic Infusion Pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |