CN106730342B - Implanted sacral nerve stimulator with electrode displacement prompt function - Google Patents
Implanted sacral nerve stimulator with electrode displacement prompt function Download PDFInfo
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- CN106730342B CN106730342B CN201710026578.8A CN201710026578A CN106730342B CN 106730342 B CN106730342 B CN 106730342B CN 201710026578 A CN201710026578 A CN 201710026578A CN 106730342 B CN106730342 B CN 106730342B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
- A61N1/3606—Implantable neurostimulators for stimulating central or peripheral nerve system adapted for a particular treatment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0507—Electrodes for the digestive system
- A61N1/0509—Stomach and intestinal electrodes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0526—Head electrodes
- A61N1/0541—Cochlear electrodes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0551—Spinal or peripheral nerve electrodes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36007—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of urogenital or gastrointestinal organs, e.g. for incontinence control
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
- A61N1/36125—Details of circuitry or electric components
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
- A61N1/36128—Control systems
- A61N1/36146—Control systems specified by the stimulation parameters
- A61N1/36182—Direction of the electrical field, e.g. with sleeve around stimulating electrode
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/37211—Means for communicating with stimulators
- A61N1/37217—Means for communicating with stimulators characterised by the communication link, e.g. acoustic or tactile
Abstract
The invention relates to the field of implantable nerve stimulators, and particularly discloses an implantable nerve stimulator with an electrode displacement prompting function, which comprises an external program controller, an implantable pulse generator (1) and a stimulating electrode (2), wherein the implantable nerve stimulator also comprises an electric field intensity sensor (3), the electric field intensity sensor (3) is arranged at a target nerve (4), the electric field intensity sensor (3) monitors the electric field intensity generated by the stimulating electrode (2), and the electric field intensity sensor transmits monitoring data to the implantable pulse generator (1) or the external program controller (5); the system also comprises a prompting device, when the implantable pulse generator (1) or the external program controller (5) monitors abnormal data, a prompting signal is sent to the prompting device, and the prompting device receives the prompting signal to start prompting. The invention can automatically prompt the displacement of the stimulating electrode and ensure the treatment quality.
Description
Technical Field
The invention relates to an implantable neural stimulator, in particular to an implantable neural stimulator with an electrode displacement prompting function.
Background
Men and women of various ages in the united states over 1300 tens of thousands have been reported to suffer from urinary and fecal incontinence. Social implications for incontinent patients include loss of self-esteem, embarrassment, limitation of social and sexual activity, isolation, depression, and, in some cases, reliance on caregivers. Incontinence is the most common cause of delivery of elderly people to specialized institutions for treatment.
Sacral anterior nerve root electrical stimulation is a nerve stimulation device used to restore bladder function in patients with sustained spinal cord injury. The overstimulation electrode delivers an electrical stimulation signal to the target nerve to improve incontinence symptoms. However, as the patient's body moves, the stimulation electrodes may shift within the body tissue, thereby affecting the therapeutic effect of the electrical stimulation. While the prior art provides various fixation devices to prevent positional displacement of the stimulating electrode within the body tissue (e.g., US7865250B2 (Medun force), US 8145323B 2 (Medun force), US 8260436B 2 (Medun force), US8019443B2 (Boston medical), displacement of the electrode is not absolutely avoided.
Disclosure of Invention
The implantable neural stimulator with the electric field intensity measuring device is provided with the electric field intensity sensor at the target nerve to monitor the electric field intensity at the target nerve, and the electric field intensity sensor timely transmits monitoring data to the implantable pulse generator IPG to monitor the relative position of the stimulating electrode and prompt when the electrode displacement is monitored.
In order to solve the technical problems, the invention provides an implantable neural stimulator with an electrode displacement prompt function, which comprises an external program controller, an implantable pulse generator and a stimulation electrode, wherein the implantable neural stimulator further comprises an electric field intensity sensor, the electric field intensity sensor is arranged at a target nerve, the electric field intensity sensor monitors the electric field intensity generated by the stimulation electrode, and the electric field intensity sensor transmits monitoring data to the implantable pulse generator or the external program controller; the implantable neurostimulator further comprises a prompting device, when the implantable pulse generator or the external program controller monitors abnormal data, a prompting signal is sent to the prompting device, and the prompting device receives the prompting signal to start prompting.
Further, the electric field intensity sensor is connected with the implantable pulse generator in a wired or wireless mode.
Further, the electric field intensity sensor is in a dormant state at ordinary times, and the implantable pulse generator wakes up the electric field intensity sensor in the dormant state periodically to perform electric field intensity test.
Further, where the stimulation electrode comprises a plurality of electrodes or where the stimulation electrode is a segmented electrode, in this case, it is preferred that the pulse generator automatically adjusts the stimulation electrode, for example, closes the displaced electrode or electrode segment, activates the other electrode or electrode segment, when the implantable pulse generator or the external program controller detects abnormal data, ensuring the stimulation effect of the electrode.
Further, when the stimulation electrode has a plurality of segmented electrodes, the pulse generator may pulse each of the electrode segments individually, or pulse a plurality of the electrode segments therein, or pulse all of the electrode segments together. The plurality of segmented electrodes are used to adjust the direction of application of the electric field.
Further, when the implantable pulse generator or the external program controller monitors the abnormal data, the stimulation mode of the segmented electrode is adjusted, for example, the electrode segment in the activated state is closed, and the electrode segment in the non-activated state is activated.
Further, the electric field intensity sensor is attached to the target nerve, so that the electric field intensity at the target nerve can be accurately monitored.
Further, the electric field intensity sensor has a storage device for storing the electric field intensity of the detected target nerve.
The electric field intensity sensor also has a rechargeable power source for externally charging the electric field intensity sensor.
Specifically, the implantable neurostimulator is an implantable neurostimulator, such as an implantable cardiac pacemaker, a cardiac defibrillator, an implantable neurostimulator, an electroencephalogram stimulator, a spinal cord stimulator, a gastric stimulator, a cochlear implant, and an implantable drug pump.
The invention has the following beneficial effects: the implantable nerve stimulator with the electrode displacement prompting function is characterized in that an electric field intensity sensor is arranged at a target nerve to monitor the electric field intensity at the target nerve, the electric field intensity sensor timely transmits monitoring data to the implantable pulse generator to monitor the relative position of a stimulating electrode, when the stimulating electrode is displaced, the implantable nerve stimulator can automatically prompt a patient and a doctor to realize immediately, and when a plurality of electrodes or segmented electrodes are implanted, the activation state of the stimulating electrode can be automatically adjusted, so that the treatment quality is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an implantable neurostimulator of the present invention.
Fig. 2 is a flow chart of the operation of the implantable neurostimulator of the present invention.
In the figure: 1-an implantable pulse generator; 2-stimulating electrodes; 3-an electric field strength sensor; 4-target nerve; 5-an external program controller; 6-conducting wire.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully, and it is apparent that the embodiments described are only some, but not all, of the embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In one embodiment of the present invention, as shown in fig. 1 to 2, the present invention discloses an implantable neural stimulator with an electrode shift prompt function, which is an implantable neural stimulator for applying electrical stimulation to a target neural area of a patient. The implantable neurostimulator comprises an external program controller 5, an implantable pulse generator 1 and a stimulation electrode 2, wherein the implantable pulse generator 1 and the stimulation electrode 2 are implanted in a patient, the external program controller 5 transmits information to the implantable pulse generator 1, the pulse generator 1 sends signals to the stimulation electrode 2, and the stimulation electrode 2 performs electrical stimulation treatment on a target nerve 4.
The implantable neural stimulator of the present invention further comprises an electric field intensity sensor 3, wherein the electric field intensity sensor 3 is used for detecting the electric field intensity of the target nerve 4, transmitting detection data to the implantable pulse generator or the external program controller, and then the implantable pulse generator 1 transmits the received signal to the stimulating electrode 2, and the stimulating electrode 2 rapidly adjusts the application direction of the electric field according to the newly received information, so as to stimulate the target nerve tissue more accurately. The implantable neurostimulator further comprises a prompting device, and when the implantable pulse generator 1 or the external program controller 5 monitors abnormal data and sends a prompting signal to the prompting device, the prompting device prompts when receiving the prompting signal.
The electric field intensity sensor 3 is implanted in the patient and is disposed at the target nerve 4, for example, the electric field intensity sensor 3 is attached to the target nerve 4, the electric field intensity sensor 3 monitors the electric field intensity generated by the target nerve 4 from the stimulating electrode 2, and then sends the monitoring information to the pulse generator in the body through internal processing. The electric field intensity sensor 3 has a storage device for storing the electric field intensity of the detected target nerve, and the electric field intensity sensor 3 is connected with the implantable pulse generator 1 by a wire or a wireless connection.
In one embodiment, the electric field strength sensor 3 also has a rechargeable power source for external charging.
In yet another embodiment, the stimulation electrode 2 has a plurality of segmented electrodes, and the implantable pulse generator 1 or the external program controller 5 can adjust the activation state of the plurality of electrode segments, thereby adjusting the direction of application of the electric field, so as to provide more accurate three-dimensional target delivery stimulation, and avoid unnecessary stimulation to other neural tissue, thereby reducing side effects.
The electric field intensity sensor 3 is in a dormant state at ordinary times, and the implantable pulse generator 1 wakes up the electric field intensity sensor 3 in the dormant state periodically to perform electric field intensity test, so that energy conservation is facilitated.
The invention has the following beneficial effects: the implantable nerve stimulator with the electrode displacement prompting function is characterized in that an electric field intensity sensor is arranged at a target nerve to monitor the electric field intensity at the target nerve, the electric field intensity sensor timely transmits monitoring data to the implantable pulse generator to monitor the relative position of a stimulating electrode, when the stimulating electrode is displaced, the implantable nerve stimulator can automatically prompt a patient and a doctor to realize immediately, and when a plurality of electrodes or segmented electrodes are implanted, the activation state of the stimulating electrode can be automatically adjusted, so that the treatment quality is ensured.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (6)
1. The implantable neural stimulator with the electrode displacement prompt function comprises an external program controller, an implantable pulse generator and a segmented stimulating electrode, wherein the implantable neural stimulator further comprises an electric field intensity sensor, the electric field intensity sensor is attached to a target nerve, the electric field intensity sensor monitors the electric field intensity received by the target nerve and generated by the segmented stimulating electrode, the electric field intensity sensor transmits monitoring data to the implantable pulse generator or the external program controller so as to monitor the relative position of the segmented stimulating electrode, the implantable pulse generator transmits a received signal to the segmented stimulating electrode, and the segmented stimulating electrode rapidly adjusts the application direction of the electric field according to the newly received signal so as to stimulate the target nerve tissue more accurately; the implantable neural stimulator further comprises a prompting device, when the implantable pulse generator or the external program controller monitors that the segmented stimulating electrode is shifted, a prompting signal is sent to the prompting device, the prompting device receives the prompting signal to start prompting, the pulse generator automatically closes the electrode segment shifted in the segmented stimulating electrode, and other electrode segments are activated.
2. The implantable neurostimulator with electrode shift prompting function according to claim 1, wherein said electric field intensity sensor is connected to an implantable pulse generator by a wire or by a wireless connection.
3. The implantable neurostimulator with electrode shift prompting function according to claim 1, wherein said implantable pulse generator periodically wakes up an electric field intensity sensor in a sleep state for electric field intensity testing.
4. An implantable neurostimulator with electrode shift prompting function according to any of claims 1-3, wherein said electric field strength sensor has a memory device.
5. The implantable neurostimulator with electrode displacement prompt function of any of claims 1-3, the electrical field strength sensor further having a rechargeable power source for externally charging the electrical field strength sensor for external charging.
6. The implantable neural stimulator with electrode displacement prompt function according to any one of claims 1-3, wherein the implantable neural stimulator is an implantable sacral neural stimulator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710026578.8A CN106730342B (en) | 2017-01-14 | 2017-01-14 | Implanted sacral nerve stimulator with electrode displacement prompt function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710026578.8A CN106730342B (en) | 2017-01-14 | 2017-01-14 | Implanted sacral nerve stimulator with electrode displacement prompt function |
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| CN106730342A CN106730342A (en) | 2017-05-31 |
| CN106730342B true CN106730342B (en) | 2023-05-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261323A (en) * | 2017-07-07 | 2017-10-20 | 北京品驰医疗设备有限公司 | A kind of implanted is without wire sacral nerve stimulator |
| CN109731219B (en) * | 2018-12-30 | 2023-05-26 | 北京品驰医疗设备有限公司 | Implantable spinal nerve stimulation device and adjustment method |
| CN116920271A (en) * | 2022-03-30 | 2023-10-24 | 苏州景昱医疗器械有限公司 | Control method and related device |
Citations (4)
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|---|---|---|---|---|
| CN101516439A (en) * | 2006-09-26 | 2009-08-26 | 皇家飞利浦电子股份有限公司 | Tissue stimulation method and appartus |
| CN101883607A (en) * | 2007-10-03 | 2010-11-10 | 伊西康公司 | Implantable pulse generators and methods for selective nerve stimulation |
| CN102665540A (en) * | 2009-10-16 | 2012-09-12 | 神经连结科技公司 | Neural interface system |
| CN204767042U (en) * | 2015-06-30 | 2015-11-18 | 广州绿松生物科技有限公司 | Biological electric excitation therapies appearance of intelligence frequency conversion |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7853330B2 (en) * | 2001-12-04 | 2010-12-14 | Boston Scientific Neuromodulation Corporation | Apparatus and method for determining the relative position and orientation of neurostimulation leads |
| US20160243358A1 (en) * | 2015-02-24 | 2016-08-25 | Neurostim Solutions LLC | Topical Nerve Stimulator and Sensor for Control of Autonomic Function |
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- 2017-01-14 CN CN201710026578.8A patent/CN106730342B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101516439A (en) * | 2006-09-26 | 2009-08-26 | 皇家飞利浦电子股份有限公司 | Tissue stimulation method and appartus |
| CN101883607A (en) * | 2007-10-03 | 2010-11-10 | 伊西康公司 | Implantable pulse generators and methods for selective nerve stimulation |
| CN102665540A (en) * | 2009-10-16 | 2012-09-12 | 神经连结科技公司 | Neural interface system |
| CN204767042U (en) * | 2015-06-30 | 2015-11-18 | 广州绿松生物科技有限公司 | Biological electric excitation therapies appearance of intelligence frequency conversion |
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