Patent US5466255A successfully refreshed from Google Patents.
US5466255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Probe for cardiac pacemaker
Assignee: Sorin CRM SAS
•
Filing: 1993-04-30
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Granted: 1995-11-14
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Expires: 2013-04-30
Abstract
Abstract A heart signal sensor 11 is connected by a flexible cord 13 to a catheter 17. The sensor 11 and the catheter 17 are attached to install the sensor in the cardiac wall, and thereafter are disunited and separately attached to the cardiac wall 1. The sensor is attached to the cardiac wall by claws projecting from the sensor surface, and may be installed by rotating or by deformation of the sensor.
Inventors
- 👤 Pierre Franchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:28
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/056; A61N1/057; A61N1/0573
Claims Analysis
Total Claims: 54
Claim 1
Independent Claim
131 words
A probe for a cardiac pacemaker comprising a heart signal sensor susceptible of applying pacing signals, a catheter having a distal end disposed between said sensor and the pacemaker and a flexible cord connected to said sensor and said catheter, and a semi-rigid attachment having a first end connected to the catheter and a second end for attachment to a cardiac wall, wherein the sensor is united with the catheter distal end for attachment to a cardiac wall and after said attachment the catheter distal end is disunited from said sensor and maintained at a distance from said sensor with the catheter connected to said sensor by the flexible cord and connected to the cardiac wall by the semi-rigid attachment so as not to apply any mechanical stress on said sensor.
Claim 2
Dependent Claim
131 words
A probe for a cardiac pacemaker comprising a heart signal sensor susceptible of applying pacing signals, a catheter having a distal end disposed between said sensor and the pacemaker and a flexible cord connected to said sensor and said catheter, and a semi-rigid attachment having a first end connected to the catheter and a second end for attachment to a cardiac wall, wherein the sensor is united with the catheter distal end for attachment to a cardiac wall and after said attachment the catheter distal end is disunited from said sensor and maintained at a distance from said sensor with the catheter connected to said sensor by the flexible cord and connected to the cardiac wall by the semi-rigid attachment so as not to apply any mechanical stress on said sensor.
Claim 3
Dependent Claim
36 words
The probe as claimed in claim 1, wherein said sensor further comprises an electrode and the catheter further comprises an electrical conductor electrically connected to the electrode, said electrical conductor being passed through the flexible cord.
Claim 4
Dependent Claim
33 words
The probe as claimed in claim 2, wherein said sensor comprises an insulating board comprising on one side said electrode and on the other side a block for connection to said flexible cord.
Claim 5
Dependent Claim
14 words
The probe as claimed in claim 3, wherein said insulating board has a commissure.
Claim 6
Dependent Claim
19 words
The probe as claimed in claim 3, wherein said insulating board has a slow-diffusion anti-inflammatory substance around said electrode.
Claim 7
Dependent Claim
27 words
The probe as claimed in claim 3, wherein said sensor comprises means for catching to said cardiac wall distributed over said other side of said insulating board.
Claim 8
Dependent Claim
29 words
The probe as claimed in claim 6, wherein said means for catching the sensor to the cardiac wall are angled claws and are installed by rotation of said sensor.
Claim 9
Dependent Claim
34 words
The probe as claimed in claim 6, wherein said sensor catching means are angled claws situated in radial planes containing the axis of said sensor, and are installed by deformation of said insulating board.
Claim 10
Dependent Claim
28 words
The probe as claimed in claim 6, wherein said sensor catching means is a passive structure for promoting fibrin growth to secure the sensor to the cardiac wall.
Claim 11
Dependent Claim
47 words
The probe of claim 2 wherein said electrode further comprises at least two electrodes and said flexible cord comprises at least two electrical leads connected to said at least two electrodes respectively, said electrical leads running therethrough to connect electrically said electrodes to said catheter electrical conductor.
Claim 12
Dependent Claim
19 words
The probe as claimed in claim 1, wherein said semi-rigid attachment comprises means for catching to said cardiac wall.
Claim 13
Dependent Claim
31 words
The probe as claimed in claim 1, wherein said semi-rigid attachment first end is movable in relation to said catheter to install said semi-rigid attachment second end in the cardiac tissue.
Claim 14
Independent Claim
104 words
A method of connecting a cardiac pacemaker electrode to cardiac tissue comprising: (a) providing a sensor having an electrode and a catheter having a sensor receptacle at the distal end; (b) mating the sensor to the sensor receptacle of the catheter; (c) positioning the catheter distal end so that the sensor electrode is in contact with the cardiac tissue; (d) securing the sensor to the cardiac tissue; (e) separating the sensor from the sensor receptacle; and (f) securing the catheter to the cardiac tissue at a distance from the sensor so that the catheter does not apply any significant mechanical stress on the sensor.
Claim 15
Independent Claim
104 words
A method of connecting a cardiac pacemaker electrode to cardiac tissue comprising: (a) providing a sensor having an electrode and a catheter having a sensor receptacle at the distal end; (b) mating the sensor to the sensor receptacle of the catheter; (c) positioning the catheter distal end so that the sensor electrode is in contact with the cardiac tissue; (d) securing the sensor to the cardiac tissue; (e) separating the sensor from the sensor receptacle; and (f) securing the catheter to the cardiac tissue at a distance from the sensor so that the catheter does not apply any significant mechanical stress on the sensor.
Claim 16
Dependent Claim
55 words
The method of claim 13 wherein step (a) further comprises providing the sensor with an insulating board on which the electrode is secured, mounting a plurality of claws on the insulating board to project at an angle from the insulating board, and wherein step (d) further comprises manipulating the claws to pass into the tissue.
Claim 17
Dependent Claim
40 words
The method of claim 14 wherein the insulating board has an axis of rotation and the plurality of claws extend from the board and step (d) further comprises rotating the insulating board so that the claws pass into the tissue.
Claim 18
Dependent Claim
18 words
The method of claim 15 further comprising providing the sensor with a slow-diffusion anti-inflammatory substance around the electrodes.
Claim 19
Dependent Claim
58 words
The method of claim 14 wherein the insulating board is deformable and has an undeformed shape and the plurality of claws extend from the board wherein step (d) further comprises deforming the board and moving the board towards the tissue so that the claws pass into the tissue, and allowing the board to return to its undeformed shape.
Claim 20
Dependent Claim
18 words
The method of claim 17 further comprising providing the sensor with a slow-diffusion anti-inflammatory substance around the electrodes.
Claim 21
Dependent Claim
25 words
The method of claim 14 wherein step (b) further comprises providing the insulating board with a shaped-block and inserting the block in the sensor receptacle.
Claim 22
Dependent Claim
28 words
The method of claim 14 further comprising connecting the sensor to the catheter by a flexible cord containing an electrical connection between the electrode and the cardiac pacemaker.
Claim 23
Dependent Claim
33 words
The method of claim 20 further comprising withdrawing the electrode from the cardiac tissue by remating the sensor with the sensor receptacle and manipulating the sensor to withdraw the claws from the tissue.
Claim 24
Dependent Claim
25 words
The method of claim 14 further comprising connecting the sensor to a recovery cord for pulling the sensor secured to tissue away from the tissue.
Claim 25
Dependent Claim
70 words
The method of claim 13 wherein step (a) further comprises providing the sensor with an insulating board on which the sensor is secured, providing the insulating board with a passive structure for promoting fibrin growth thereon, and wherein step (d) further comprises placing the passive structure in contact with the cardiac tissue for a time to permit fibrin to grow and secure the electrodes in contact with the cardiac tissue.
Claim 26
Dependent Claim
77 words
A probe for connecting a cardiac pacemaker to cardiac tissue for monitoring and stimulating cardiac activity comprising: a sensor having an electrode and means for catching the sensor to the cardiac tissue; a catheter interposed between the pacemaker and the cardiac tissue having a distal end; and means for securing the catheter to the cardiac tissue with the distal end spaced a distance from the sensor so as not to apply any mechanical stress on the sensor.
Claim 27
Dependent Claim
77 words
A probe for connecting a cardiac pacemaker to cardiac tissue for monitoring and stimulating cardiac activity comprising: a sensor having an electrode and means for catching the sensor to the cardiac tissue; a catheter interposed between the pacemaker and the cardiac tissue having a distal end; and means for securing the catheter to the cardiac tissue with the distal end spaced a distance from the sensor so as not to apply any mechanical stress on the sensor.
Claim 28
Dependent Claim
34 words
The probe of claim 24 wherein the catheter further comprises a passageway and the sensor further comprises an electrode and a wire connecting the electrode to the pacemaker and passing through the catheter passageway.
Claim 29
Dependent Claim
54 words
The probe of claim 24 wherein the sensor further comprises: an insulating board having first and second sides, the electrode being mounted on one side of the insulating board; and a shaped-block mounted on the other side of the insulating board, wherein the catheter distal end has an aperture for receiving the sensor shaped-block.
Claim 30
Dependent Claim
36 words
The probe of claim 24 wherein the sensor catching means further comprises a plurality of claws, the claws being oriented for insertion into the cardiac tissue to hold the electrode in contact with the cardiac tissue.
Claim 31
Dependent Claim
30 words
The probe of claim 27 wherein the plurality of claws are mounted on the insulating board and project from the insulating board on the one side of the insulating board.
Claim 32
Dependent Claim
34 words
The probe of claim 28 wherein the plurality of claws project tangentially to the periphery of the insulating board so that the claws may be inserted into cardiac tissue by rotation of the sensor.
Claim 33
Dependent Claim
49 words
The probe of claim 28 wherein the insulating board has an axis and is deformable about the axis and the plurality of claws project in radial planes containing the axis the insulating board so that the claws may be inserted into the cardiac tissue by deforming the insulating board.
Claim 34
Dependent Claim
29 words
The probe of claim 24 wherein the means for securing the catheter further comprises a spring that is inserted into the cardiac tissue by rotation relative to the catheter.
Claim 35
Dependent Claim
27 words
The probe of claim 24 wherein the sensor further comprises an insulating board on which the electrode is mounted and the insulating board further comprises a commissure.
Claim 36
Dependent Claim
34 words
The probe of claim 24 wherein the sensor further comprises an insulating board on which the electrode is mounted and the insulating board further comprises a slow diffusion anti-inflammatory substance proximate to said electrodes.
Claim 37
Dependent Claim
115 words
A probe for connecting a muscle stimulating device to muscle tissue comprising: a catheter disposed between the stimulating device and the muscle tissue having an interior passageway and means for securing the catheter to the muscle tissue at a distance from the tissue; and a sensor comprising: an insulating sheet, an electrode mounted on the insulating sheet, a wire electrically connecting the electrode to the muscle stimulating device and passing through the catheter passageway, and a plurality of claws projecting from the insulating sheet oriented to penetrate and secure the sensor electrode to the muscle tissue independent of the catheter, wherein the secured catheter does not apply any substantial mechanical stress on the secured sensor.
Claim 38
Dependent Claim
115 words
A probe for connecting a muscle stimulating device to muscle tissue comprising: a catheter disposed between the stimulating device and the muscle tissue having an interior passageway and means for securing the catheter to the muscle tissue at a distance from the tissue; and a sensor comprising: an insulating sheet, an electrode mounted on the insulating sheet, a wire electrically connecting the electrode to the muscle stimulating device and passing through the catheter passageway, and a plurality of claws projecting from the insulating sheet oriented to penetrate and secure the sensor electrode to the muscle tissue independent of the catheter, wherein the secured catheter does not apply any substantial mechanical stress on the secured sensor.
Claim 39
Dependent Claim
21 words
The probe of claim 34 wherein the sensor further comprises a source of slow diffusing anti-inflammatory substance proximate to said electrodes.
Claim 40
Dependent Claim
42 words
The probe of claim 34 wherein the sensor further comprises a block and a flexible cord connecting the sensor to the probe, wherein the catheter further comprises a sensor receptacle for receiving the block for securing the sensor to the cardiac wall.
Claim 41
Dependent Claim
30 words
The probe of claim 36 wherein the catheter further comprises a guide wire secured to the sensor receptacle for rotating the sensor to secure the sensor to the cardiac wall.
Claim 42
Dependent Claim
20 words
The probe of claim 36 wherein the sensor further comprises a spring for biasing the sensor in an undeformed shape.
Claim 43
Dependent Claim
137 words
A probe for a cardiac pacemaker comprising a heart signal sensor susceptible of applying pacing signals, a catheter disposed between said sensor and the pacemaker, a flexible cord connecting the sensor to the catheter, and semi-rigid attachment element connected to the catheter and installable in a cardiac wall wherein said sensor further comprises an electrode to contact a cardiac wall, the flexible cord further comprises an electrical conductor electrically connected to the electrode, and the catheter is disunitable from said sensor and attachable to the cardiac wall by said semi-rigid attachment element so that the catheter is maintained at a distance from said sensor and does not apply any mechanical stress on the sensor when said sensor is attached to the cardiac wall and the catheter is attached to the cardiac wall by said semi-rigid attachment element.
Claim 44
Dependent Claim
137 words
A probe for a cardiac pacemaker comprising a heart signal sensor susceptible of applying pacing signals, a catheter disposed between said sensor and the pacemaker, a flexible cord connecting the sensor to the catheter, and semi-rigid attachment element connected to the catheter and installable in a cardiac wall wherein said sensor further comprises an electrode to contact a cardiac wall, the flexible cord further comprises an electrical conductor electrically connected to the electrode, and the catheter is disunitable from said sensor and attachable to the cardiac wall by said semi-rigid attachment element so that the catheter is maintained at a distance from said sensor and does not apply any mechanical stress on the sensor when said sensor is attached to the cardiac wall and the catheter is attached to the cardiac wall by said semi-rigid attachment element.
Claim 45
Dependent Claim
33 words
The probe as claimed in claim 39, wherein said sensor comprises an insulating board comprising on one side said electrode and on the other side a block for connection to said flexible cord.
Claim 46
Dependent Claim
14 words
The probe as claimed in claim 40, wherein said insulating board has a commissure.
Claim 47
Dependent Claim
19 words
The probe as claimed in claim 40, wherein said insulating board has a slow-diffusion anti-inflammatory substance around said electrode.
Claim 48
Dependent Claim
27 words
The probe as claimed in claim 40, wherein said sensor comprises means for catching to said cardiac wall distributed over said other side of said insulating board.
Claim 49
Dependent Claim
29 words
The probe as claimed in claim 43, wherein said means for catching the sensor to the cardiac wall are angled claws and are installed by rotation of said sensor.
Claim 50
Dependent Claim
34 words
The probe as claimed in claim 43, wherein said sensor catching means are angled claws situated in radial planes containing the axis of said sensor, and are installed by deformation of said insulating board.
Claim 51
Dependent Claim
28 words
The probe as claimed in claim 43, wherein said sensor catching means is a passive structure for promoting fibrin growth to secure the sensor to the cardiac wall.
Claim 52
Dependent Claim
20 words
The probe as claimed in claim 39, wherein said semi-rigid attachment element comprises means for catching to said cardiac wall.
Claim 53
Dependent Claim
29 words
The probe as claimed in claim 39, wherein said semi-rigid attachment element is movable in relation to said catheter to install said semi-rigid attachment element in said cardiac wall.
Claim 54
Dependent Claim
46 words
The probe as claimed in claim 39 wherein said electrode further comprises at least a first electrode and a second electrode and said flexible cord comprises at least two corresponding electrical conductors running therethrough to connect electrically said first and second electrodes respectively to said pacemaker.
References Cited (Backward Citations)
US3568660A
Cited
US3680544A
Cited
US3932656A
Cited
US3978865A
Cited
US4011872A
Cited
US4144890A
Cited
US4033357A
Cited
US4101984A
Cited
US4055178A
Cited
US4711251A
Cited
US4711251B1
Cited
US4953564A
Cited
US5170802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-11-13 | 1999-05-15 | 1999-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-11-13 | 2003-05-15 | 2003-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-11-13 | 2007-05-15 | 2007-11-14 | $7700.00 | Window Closed / Lapsed |