US 2018/0001087 A1Published application

Implantable Electro-Medical Device Programmable for Improved Operational Life

AssigneeEndoStim, Inc.

InventorsBevil Hogg, Virender K. Sharma, Shai Policker, Paul V. Goode, Kaila Raby

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Abstract

A device for electrically stimulating one or more anatomical target sites in a patient and for use in the treatment of a plurality of biological conditions of the patient. The device has a pulse generator providing electrical stimulation to the anatomical target sites; a power source for powering the pulse generator; stimulator electrodes connected to the pulse generator for stimulating the anatomical target sites; one or more optional sensing electrodes for monitoring physiological parameters with reference to the anatomical target sites; and a microprocessor programmed to vary a plurality of therapy protocol parameters governing the electrical stimulation to thereby modify operational life parameters of the power source.

Claims20

Dependent claims

A device for electrical stimulation of one or more anatomical target sites in a patient and for use in the treatment of a plurality of biological conditions of the patient, said device comprising:

a pulse generator providing electrical stimulation to said one or more anatomical target sites, wherein said electrical stimulation comprises a stimulation current;
a power source for powering said pulse generator;
at least one stimulator electrode connected to said pulse generator for stimulating said one or more anatomical target sites;
and,
a microprocessor programmed to vary a plurality of therapy protocol parameters governing the electrical stimulation to thereby modify operational life parameters of the power source, wherein the therapy protocol parameters and the operational life of the power source are associated according to the following relations:
L
BAT
=
CAP
BAT
·
eff
USE
I
BAT
,

where
I
BAT
=
[
[
(
eff
TH
·
I
TH
·
V
TH
+
V
OH
V
BAT
·
PRF
·
PW
)
+
I
SOH
]
·
DC
TH
+
I
SLP
·
(
1
-
DC
TH
)
+
I
TM
]
wherein effTH is a function of an output stimulation circuit current divided by an input stimulation circuit current;
wherein ISOH is equal to an amount of current required to run the device and not including the stimulation current;
wherein LBAT is a function of power source service life;
wherein CAPBAT is a function of power source capacity;
wherein effUSE is a function of a usable efficiency of power source;
wherein IBAT is a function of power source current;
wherein ITH is a function of a level of current exiting the device from an output terminal;
wherein VTH is a function of a level of voltage at an output terminal of the device;
wherein VOH is a function of an overhead output voltage;
wherein VBAT is a function of a power source voltage;
wherein PRF is a function of a pulse repetition frequency;
wherein PW is a function of a pulse width;
wherein DCTH is a function of a duty cycle;
wherein ISLP is a function of sleep current;
and wherein ITM is a function of average telemetry current.

75 more elements

A device for electrical stimulation of one or more anatomical target sites in a patient and for use in the treatment of a plurality of biological conditions of the patient, said device comprising:

a pulse generator providing electrical stimulation to said one or more anatomical target sites;
a power source for powering said pulse generator;
at least one stimulator electrode connected to said pulse generator for stimulating said one or more anatomical target sites;
a microprocessor programmed to vary a plurality of therapy protocol parameters governing the electrical stimulation to thereby modify operational life parameters of the power source, wherein the therapy protocol parameters and the operational life of the power source are associated according to the following relations:
L
BAT
=
CAP
BAT
·
eff
USE
I
BAT
,

where
I
BAT
=
[
[
(
eff
TH
·
I
TH
·
V
TH
+
V
OH
V
BAT
·
PRF
·
PW
)
+
I
SOH
]
·
DC
TH
+
I
SLP
·
(
1
-
DC
TH
)
+
I
TM
]
;
and,
at least one sensor connected to said microprocessor for sensing at least one physiological parameter of said patient;
wherein effTH is a function of an output stimulation circuit current divided by an input stimulation circuit current;
wherein ISOH is equal to an amount of current required to run the device and not including the stimulation current;
wherein LBAT is a function of power source service life;
wherein CAPBAT is a function of power source capacity;
wherein effUSE is a function of a usable efficiency of power source;
wherein IBAT is a function of power source current;
wherein ITH is a function of a level of current exiting the device from an output terminal;
wherein VTH is a function of a level of voltage at an output terminal of the device;
wherein VOH is a function of an overhead output voltage;
wherein VBAT is a function of a power source voltage;
wherein PRF is a function of a pulse repetition frequency;
wherein PW is a function of a pulse width;
wherein DCTH is a function of a duty cycle;
wherein ISLP is a function of sleep current;
and wherein ITM is a function of average telemetry current.

77 more elements

A system for electrical stimulation of one or more anatomical target sites in a patient and for use in the treatment of a plurality of biological conditions of the patient, said system comprising:

a pulse generator providing electrical stimulation to said one or more anatomical target sites;
a power source for powering said pulse generator;
at least one stimulator electrode connected to said pulse generator for stimulating said one or more anatomical target sites;
and,
a microprocessor programmed to vary a plurality of therapy protocol parameters governing the electrical stimulation to thereby modify operational life parameters of the power source, wherein the therapy protocol parameters and the operational life of the power source are associated according to the following relations:
L
BAT
=
CAP
BAT
·
eff
USE
I
BAT
,

where
I
BAT
=
[
[
(
eff
TH
·
I
TH
·
V
TH
+
V
OH
V
BAT
·
PRF
·
PW
)
+
I
SOH
]
·
DC
TH
+
I
SLP
·
(
1
-
DC
TH
)
+
I
TM
]
wherein effTH is a function of an output stimulation circuit current divided by an input stimulation circuit current;
wherein ISOH is equal to an amount of current required to run the device and not including the stimulation current;
wherein LBAT is a function of power source service life;
wherein CAPBAT is a function of power source capacity;
wherein effUSE is a function of a usable efficiency of power source;
wherein IBAT is a function of power source current;
wherein ITH is a function of a level of current exiting the device from an output terminal;
wherein VTH is a function of a level of voltage at an output terminal of the device;
wherein VOH is a function of an overhead output voltage;
wherein VBAT is a function of a power source voltage;
wherein PRF is a function of a pulse repetition frequency;
wherein PW is a function of a pulse width;
wherein DCTH is a function of a duty cycle;
wherein ISLP is a function of sleep current;
and wherein ITM is a function of average telemetry current.

75 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/594,903Filed 15 May 2017
Priority: 17 Nov 2014
Published: 4 Jan 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

A61N 1/36007
For stimulation: of urogenital or gastrointestinal organs, e.g. for incontinence control
A61N 1/378
Arrangements in connection with the implantation of stimulators: electrical supply
G01R 31/382
Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of…
G06F 1/3203
Means for saving power: power management, i.e. event-based initiation of a power-saving mode

Family

Application62/080,793Us provisional application · filed 17 Nov 2014
Application14/943,772Continuation · filed 17 Nov 2015
Application15/594,903Continuation
US 2016/0136419 A1Published application
US 9,682,234 B2Related patent
US 2018/0001087 A1This patent

From the US filing history. Foreign family members aren’t listed.