Patent US2898893A successfully refreshed from Google Patents.
Patent US6231516B1 successfully refreshed from Google Patents.
US6231516B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endoluminal implant with therapeutic and diagnostic capability
Assignee: Pacesetter Inc
•
Filing: 1998-02-23
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Granted: 2001-05-15
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Expires: 2018-02-23
Abstract
Abstract An apparatus includes an endoluminal implant, a RF coupling coil coupled to the endoluminal implant and a therapeutic transducer electrically coupled to the RF coupling coil and physically coupled to the endoluminal implant. The RF coupling coil supplies electrical power to the therapeutic transducer. The therapeutic transducer has a capability for delivering therapeutic energy to a lumen disposed within the endoluminal implant in response to signals coupled via the RF coupling coil.
Inventors
- 👤 George W. Keilman
- 👤 George E. Cimochowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:02
CPC Classifications
A; A61; A61B; A61B8/00; A61B8/06; A61B5/00; A61B5/0002; A61B5/0031; A61B5/68; A61B5/6846; A61B5/6847; A61B5/6862; A61B5/6867; A61B5/6876; A61B8/56; A61M; A61M1/00; A61M1/36; A61M1/3621; A61M1/3653; A61M1/3656; A61M37/00; A61M37/0092; A61B2560/00; A61B2560/02; A61B2560/0204; A61B2560/0214; A61B2560/0219; A61B5/145; A61B5/14532; A61B8/04; A61B8/12; A61B8/44; A61B8/4483; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/82; A61F2002/072; A61F2002/075; A61F2250/00; A61F2250/0001; A61F2250/0002; A61N; A61N1/00; A61N1/18; A61N1/20; A61N1/30; A61N1/303; A61N1/306; A61N1/32; A61N1/325; A61N5/00; A61N5/06; A61N5/0601; A61N5/0613; A61N5/062
Claims Analysis
Total Claims: 49
Claim 1
Independent Claim
33 words
An apparatus configured to be implanted in a lumen having a passageway, the apparatus comprising: an endoluminal implant adapted to be implanted within the passageway; and a transducer coupled to said endoluminal implant.
Claim 2
Independent Claim
33 words
An apparatus configured to be implanted in a lumen having a passageway, the apparatus comprising: an endoluminal implant adapted to be implanted within the passageway; and a transducer coupled to said endoluminal implant.
Claim 3
Dependent Claim
12 words
The apparatus of claim 1 wherein said transducer comprises a therapeutic transducer.
Claim 4
Dependent Claim
34 words
The apparatus of claim 1 wherein said transducer comprises a therapeutic transducer chosen from a group comprising: an electromagnetic transducer, an optical transducer, an ultrasonic transducer, a resistive heater transducer and an iontophoretic transducer.
Claim 5
Dependent Claim
19 words
The apparatus of claim 1 , further comprising a RF coupling coil having an output coupled to said transducer.
Claim 6
Dependent Claim
54 words
The apparatus of claim 4 , further comprising a RF-to-DC power supply electrically coupled to said output of said RF coupling coil and having an output coupled to a signal source that is in turn coupled to said transducer, said signal source activating said transducer in response to signals from said RF coupling coil.
Claim 7
Dependent Claim
21 words
The apparatus of claim 1 wherein said endoluminal implant is chosen from a group comprising: a stent and a stent graft.
Claim 8
Dependent Claim
23 words
The apparatus of claim 2 wherein said therapeutic transducer is coupled to a saddle-shaped coil integrated into a wall of said endoluminal implant.
Claim 9
Dependent Claim
23 words
The apparatus of claim 2 wherein said therapeutic transducer is coupled to a helical coil integrated into a wall of said endoluminal implant.
Claim 10
Dependent Claim
30 words
The apparatus of claim 4 wherein: said endoluminal implant comprises a stent; and said RF coupling coil comprises a woven mesh of wire integrated into a wall of said stent.
Claim 11
Dependent Claim
72 words
The apparatus of claim 9 wherein said woven mesh of wire comprises: a first set of coils of insulated wire each forming a right-handed spiral; and a second set of coils of insulated wire each forming a left-handed spiral, said second set of coils interwoven with said first set of coils, wherein said first set of coils and said second set of coils are electrically coupled in series in a daisy-chain configuration.
Claim 12
Dependent Claim
158 words
The apparatus of claim 9 wherein said woven mesh of wire comprises: a first set of coils of insulated wire each forming a right-handed spiral, each of said coils of said first set of coils having a first end and a second end, wherein said first ends are electrically coupled to each other and said second ends are coupled to each other; and a second set of coils of insulated wire each forming a left-handed spiral, said first and second sets of coils interwoven with each other to form said woven mesh, each of said coils of said second set of coils having a first end and a second end, wherein said first ends of said second set of coils are electrically coupled to each other and said second ends of said second set of coils are coupled to each other, said first and second sets of coils being electrically coupled to each other and to said transducer.
Claim 13
Dependent Claim
75 words
The apparatus of claim 2 wherein said therapeutic transducer includes a regular solid comprising piezoelectric material, wherein a first resonance frequency is determined by a first dimension of said regular solid and a second resonance frequency is determined by a second dimension of said regular solid, said regular solid including a first electrode coupled to a first surface of said regular solid and a second electrode coupled to a second surface of said regular solid.
Claim 14
Dependent Claim
35 words
The apparatus of claim 12 , further comprising an acoustic isolator disposed on said first electrode and on a sidewall of said regular solid and wherein said first dimension is approximately twice said second dimension.
Claim 15
Dependent Claim
79 words
The apparatus of claim 2 wherein said therapeutic transducer comprises: an ultrasonic transducer having an acoustic radiating surface, wherein a first electrode and a second electrode are coupled to said ultrasonic transducer, said ultrasonic transducer coupled to a first wall of said endoluminal implant; and an acoustic reflector coupled to a second wall of said endoluminal implant, said acoustic reflector being maintained in alignment with and facing said acoustic radiating surface of said ultrasonic transducer by said endoluminal implant.
Claim 16
Dependent Claim
12 words
The apparatus of claim 14 wherein said acoustic reflector comprises a magnet.
Claim 17
Dependent Claim
111 words
The apparatus of claim 2 wherein said therapeutic transducer comprises: a first ultrasonic transducer having an acoustic radiating surface, wherein a first electrode and a second electrode are coupled to said first ultrasonic transducer, said first ultrasonic transducer coupled to a first wall of said endoluminal implant; and a second ultrasonic transducer having an acoustic radiating surface, wherein a first electrode and a second electrode are coupled to said second ultrasonic transducer, said second ultrasonic transducer being coupled to a second wall of said endoluminal implant such that said acoustic radiating surface of said first ultrasonic transducer is aligned with and facing said acoustic radiating surface of said second ultrasonic transducer.
Claim 18
Dependent Claim
73 words
The apparatus of claim 2 , further comprising: a RF coupling coil integrated into a wall of said endoluminal implant; an implantable electronic circuit, said implantable electronic circuit including a RF-to-DC power supply circuit coupled to said RF coupling coil, whereby RF energy coupled into said RF coupling coil may be converted to DC power, and whereby RF coded information may be exchanged between said RF coupling coil; and said implantable electronic circuit.
Claim 19
Dependent Claim
96 words
The apparatus of claim 17 , wherein said implantable electronic circuit also includes: RF decoding circuitry and a multiplexer, said RF decoding circuitry coupled to said RF coupling coil, whereby said multiplexer may supply signals from said implantable electronic circuit to said therapeutic transducer; and a second transducer coupled to said endoluminal implant wherein said first and second transducers are coupled to said implantable electronic circuit and comprise ultrasonic transducers configured to provide first and second acoustic waves in a space between said first and second transducers in response to signals from said implantable electronic circuit.
Claim 20
Dependent Claim
16 words
The apparatus of claim 2 , further comprising a diagnostic transducer coupled to said endoluminal implant.
Claim 21
Dependent Claim
40 words
The apparatus of claim 19 , wherein said diagnostic transducer provides signals indicative of a parameter describing a fluid flowing through said endoluminal implant, wherein said parameter is chosen from a list comprising: fluid flow, pressure, temperature and biochemical properties.
Claim 22
Dependent Claim
30 words
The apparatus of claim 4 wherein said therapeutic transducer includes a therapeutic transducer chosen from a group comprising: ultrasonic transducers, optical transducers, magnetic transducers, resistive heating transducers and iontophoretic transducers.
Claim 23
Independent Claim
111 words
An apparatus configured to be implanted in a lumen having a passageway, the apparatus comprising: an endoluminal implant adapted to be implanted within the passageway; a RF coupling coil coupled to said endoluminal implant; an implantable electronic circuit electrically coupled to said RF coupling coil and physically coupled to said endoluminal implant, said RF coupling coil for supplying electrical power to said implantable electronic circuit and for coupling control and data signals to and from said implantable electronic circuit; and a therapeutic transducer electrically coupled to said implantable electronic circuit, said therapeutic transducer for delivering therapeutic energy to a lumen disposed within said endoluminal implant in response to said control signals.
Claim 24
Independent Claim
111 words
An apparatus configured to be implanted in a lumen having a passageway, the apparatus comprising: an endoluminal implant adapted to be implanted within the passageway; a RF coupling coil coupled to said endoluminal implant; an implantable electronic circuit electrically coupled to said RF coupling coil and physically coupled to said endoluminal implant, said RF coupling coil for supplying electrical power to said implantable electronic circuit and for coupling control and data signals to and from said implantable electronic circuit; and a therapeutic transducer electrically coupled to said implantable electronic circuit, said therapeutic transducer for delivering therapeutic energy to a lumen disposed within said endoluminal implant in response to said control signals.
Claim 25
Dependent Claim
38 words
The apparatus of claim 22 wherein said RF coupling coil is disposed on said endoluminal implant and comprises a RF coupling coil chosen from a group comprising: a saddle-shaped coil, a helical coil and a woven mesh coil.
Claim 26
Dependent Claim
30 words
The apparatus of claim 22 further comprising a diagnostic transducer coupled to said endoluminal implant, said diagnostic transducer electrically coupled to said implantable electronic circuit to provide diagnostic signals thereto.
Claim 27
Dependent Claim
28 words
The apparatus of claim 24 wherein said diagnostic transducer comprises a pressure transducer arranged to measure a pressure of a fluid in a lumen of said endoluminal implant.
Claim 28
Dependent Claim
20 words
The apparatus of claim 22 wherein said therapeutic transducer comprises means for insonifying a lumen disposed in said endoluminal implant.
Claim 29
Dependent Claim
26 words
The apparatus of claim 22 wherein said therapeutic transducer comprises means for insonifying a lumen disposed in said endoluminal implant with one or more acoustic waves.
Claim 30
Dependent Claim
40 words
The apparatus of claim 22 , further comprising a diagnostic transducer coupled to said endoluminal implant, said diagnostic transducer including an electrical coupling to said implantable electronic circuit for exchanging data between said diagnostic transducer and said implantable electronic circuit.
Claim 31
Dependent Claim
31 words
The apparatus of claim 28 wherein said diagnostic transducer comprises a conformal transducer array coupled to said endoluminal implant to measure fluid velocity through a lumen extending through said endoluminal implant.
Claim 32
Dependent Claim
62 words
The apparatus of claim 28 wherein said diagnostic transducer comprises a first electrode and a second electrode, said first and second electrodes disposed in a fixed, spaced-apart relationship within a lumen of said endoluminal implant and adjacent a wall thereof, whereby capacitance or resistance measurements between said first and second electrodes characterize those bodily elements immediately surrounding said first and second electrodes.
Claim 33
Dependent Claim
24 words
The apparatus of claim 28 wherein said diagnostic transducer comprises a first pressure transducer disposed at an inlet whereby fluid enters said endoluminal implant.
Claim 34
Dependent Claim
25 words
The apparatus of claim 31 wherein said diagnostic transducer further comprises a second pressure transducer disposed at an outlet whereby fluid exits said endoluminal implant.
Claim 35
Dependent Claim
15 words
The apparatus of claim 22 wherein said therapeutic transducer includes one or more light sources.
Claim 36
Dependent Claim
13 words
The apparatus of claim 22 wherein said therapeutic transducer comprises an iontophoretic transducer.
Claim 37
Dependent Claim
13 words
The apparatus of claim 22 wherein said therapeutic transducer comprises an electromagnetic transducer.
Claim 38
Dependent Claim
14 words
The apparatus of claim 22 wherein said therapeutic transducer comprises a resistive heating transducer.
Claim 39
Dependent Claim
109 words
The apparatus of claim 22 wherein said therapeutic transducer comprises: a first ultrasonic transducer having an acoustic radiating surface, a first electrode and a second electrode each coupled to said first ultrasonic transducer, said first ultrasonic transducer coupled to a first wall of said endoluminal implant; and a second ultrasonic transducer having an acoustic radiating surface, a first electrode and a second electrode each coupled to said second ultrasonic transducer, said second ultrasonic transducer being coupled to a second wall of said endoluminal implant such that said acoustic radiating surface of said first ultrasonic transducer is aligned with and facing said acoustic radiating surface of said second ultrasonic transducer.
Claim 40
Dependent Claim
74 words
The apparatus of claim 22 wherein said therapeutic transducer comprises: an ultrasonic transducer having an acoustic radiating surface, a first electrode and a second electrode each coupled to said ultrasonic transducer, said ultrasonic transducer coupled to a first wall of said endoluminal implant; and an acoustic reflector coupled to a second wall of said endoluminal implant, said acoustic reflector being maintained in alignment with and facing said acoustic radiating surface of said ultrasonic transducer.
Claim 41
Dependent Claim
12 words
The apparatus of claim 38 wherein said acoustic reflector comprises a magnet.
Claim 42
Dependent Claim
27 words
The apparatus of claim 22 wherein said therapeutic transducer comprises an ultrasonic transducer capable of providing collinear acoustic waves at a first frequency and a second frequency.
Claim 43
Independent Claim
39 words
An apparatus configured to be or implanted in a lumen having a passageway, the apparatus comprising: an endoluminal implant adapted to be implanted within the passageway; and a RF coupling coil integrated in a wall of said endoluminal implant.
Claim 44
Independent Claim
39 words
An apparatus configured to be or implanted in a lumen having a passageway, the apparatus comprising: an endoluminal implant adapted to be implanted within the passageway; and a RF coupling coil integrated in a wall of said endoluminal implant.
Claim 45
Dependent Claim
34 words
An apparatus as claimed in claim 41 , wherein said RF coupling coil comprises a RF coupling coil chosen from a group comprising: a saddle coil, a helical coil and a woven mesh coil.
Claim 46
Dependent Claim
20 words
An apparatus as claimed in claim 41 , further comprising a therapeutic transducer electrically coupled to said RF coupling coil.
Claim 47
Dependent Claim
74 words
An apparatus as claimed in claim 41 , further comprising: an implantable electronic circuit coupled to said RF coupling coil, said implantable electronic circuit exchanging data, power and control signals with said RF coupling coil; and a therapeutic transducer electrically coupled to said implantable electronic circuit and mechanically coupled to said endoluminal implant, said therapeutic transducer supplying energy to a lumen of said endoluminal implant in response to signals from said implantable electronic circuit.
Claim 48
Dependent Claim
26 words
The apparatus of claim 44 , further comprising an implantable IC sensor physically coupled to said endoluminal implant and electrically coupled to said implantable electronic circuit.
Claim 49
Dependent Claim
51 words
The apparatus of claim 45 , wherein said implantable IC sensor provides electrical signals to said implantable electronic circuit that are indicative of a diagnostic parameter associated with a fluid flowing through said lumen, wherein said diagnostic parameter is chosen from a group comprising: fluid flow, pressure, temperature and biochemical information.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-05-14 | 2004-11-13 | 2005-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-05-14 | 2008-11-13 | 2009-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-05-14 | 2012-11-13 | 2013-05-15 | $7700.00 | Window Closed / Lapsed |