WO2021023901A1 - Sistema de sujeción para generador de estimulación eléctrica - Google Patents
Sistema de sujeción para generador de estimulación eléctrica Download PDFInfo
- Publication number
- WO2021023901A1 WO2021023901A1 PCT/ES2020/070464 ES2020070464W WO2021023901A1 WO 2021023901 A1 WO2021023901 A1 WO 2021023901A1 ES 2020070464 W ES2020070464 W ES 2020070464W WO 2021023901 A1 WO2021023901 A1 WO 2021023901A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- connector
- fixation device
- patient
- generator
- 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.)
- Ceased
Links
Classifications
-
- 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
- A61N1/375—Constructional arrangements, e.g. casings
-
- 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
- A61N1/362—Heart stimulators
- A61N1/3625—External stimulators
-
- 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
- A61N1/0587—Epicardial electrode systems; Endocardial electrodes piercing the pericardium
- A61N1/059—Anchoring means
-
- 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
- A61N1/375—Constructional arrangements, e.g. casings
- A61N1/3752—Details of casing-lead connections
- A61N1/3754—Feedthroughs
-
- 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
- A61N1/375—Constructional arrangements, e.g. casings
- A61N1/37512—Pacemakers
Definitions
- the present invention corresponds to the technical field of the industry dedicated to the manufacture of medical devices, specifically in the field of cardiac stimulation.
- Cardiac pacing systems consist of devices whose function is to detect the electrical activity generated by the heart and, in its absence, interpret it as an absence of heartbeat and provide an electric shock that at a certain power achieves cardiac contraction.
- a cardiac pacing system is made up of circuits and processors, housed together with the battery in a metal casing, usually made of titanium, and intended to perform the function of detecting electrical activity and generating impulses.
- the system also has one, two or three electrodes, depending on the type of cardiac stimulation that is needed. These electrodes are connected to two ports of the generator located in a silicone head and from a central venous access of the patient they run to the desired cardiac cavity (right atrium or ventricle), remaining supported or fixed to the endocardium. If left ventricular stimulation is desired, via the coronary sinus, the electrode is directed to the desired location.
- the electrodes made of metallic material covered with insulation, receive electrical information from the heart and conduct it to the processors in the housing. In the absence of electrical activity, an electrical discharge is emitted from the generator housed in the housing that is conducted to the endocardium (or epicardium at the coronary sinus electrodes), producing a cardiac contraction.
- cardiac pacing systems can be permanent or temporary, depending on how long the pacing therapy will continue.
- Current definitive systems are made up of increasingly smaller generators, reaching up to 10 cm 3 in volume and in which the generator remains housed in the subcutaneous cellular tissue, usually of the patient's anterior pectoral region.
- the electrodes are introduced subclavian or in some cases internal jugular, towards the superior vena cava and up to the final location, which can be the right atrium, the right ventricle or the coronary venous network.
- the external generator that has traditionally been used and that contains all the necessary elements (battery, processors, electrode connection ports) can reach 15 cm in length and up to 1 kg in weight.
- the electrodes used with these devices for temporary stimulation usually lack any fixation system to the endocardium, remaining only supported on the internal cardiac surface.
- This temporary stimulation seeks to obtain time to complete the study of the patient, which can lead to spontaneous recovery or the conclusion of the need for the implantation of a permanent pacemaker.
- the entire external system is exposed to the environment in such a way that it can become colonized by bacteria and subsequently cause an infection to the patient.
- the clamping system for electrical stimulation generator proposed here comprises a generator for cardiac stimulation, such as a pacemaker, a defibrillator, a resynchronizer; a neurostimulation mechanism or other similar generator arranged external to the patient's body, as well as an electrode that has a first connection end to the patient's heart and a second connection end to said generator.
- a generator for cardiac stimulation such as a pacemaker, a defibrillator, a resynchronizer
- a neurostimulation mechanism or other similar generator arranged external to the patient's body, as well as an electrode that has a first connection end to the patient's heart and a second connection end to said generator.
- This system comprises a casing to contain the generator inside.
- This casing has first and second openings that are equal and arranged on opposite sides of the same.
- the system comprises means for connecting the electrode to the first or second opening of the housing formed by a first through connector at the second end of the electrode.
- Said first connector has a sealing valve inside.
- the system has a sealing element that is arranged in the opening of the housing opposite to that which has the electrode connection means.
- the system in turn comprises a device for cutaneous fixation of the electrode with means of anchoring to said electrode and means of adherence to the torso of the patient. It also has means for fastening the casing to the patient's body.
- Figure 1 shows a perspective view of a fastening system for an electrical stimulation generator with the housing closed and secured to the neck of a patient, for a preferred embodiment of the invention.
- Figure 2. Shows a perspective view of a fastening system for an electrical stimulation generator with the casing open and attached to the neck of a patient, for a preferred embodiment of the invention.
- Figure 3. Shows a view of the housing of a fastening system for an electrical stimulation generator with the electrode connector and the sealing element, for a preferred embodiment of the invention.
- Figure 4.- Shows a side view of the housing of a fastening system for an electrical stimulation generator, for a preferred embodiment of the invention.
- Figure 5. Shows a perspective view of the device for cutaneous fixation of the electrode, of a clamping system for an electrical stimulation generator, for a preferred embodiment of the invention.
- Figures 6.1 and 6.2.- Show perspective and section views respectively of the second connector of the electrode anchoring means of a fastening system for an electrical stimulation generator, for a preferred embodiment of the invention.
- Figure 7. Shows a perspective view of the device for cutaneous fixation of the electrode and the second connector at one end of the same, of a clamping system for an electrical stimulation generator, for a preferred embodiment of the invention.
- Figure 8.- Shows an exploded view of the first connector and the sealing valve of a clamping system for an electrical stimulation generator, for a preferred embodiment of the invention.
- Figure 9. Shows a sectional view of the sealing valve of the first connector of a clamping system for an electrical stimulation generator, for a preferred embodiment of the invention. Detailed description of a preferred embodiment of the invention
- the fastening system (1) for the electrical stimulation generator (2) which comprises a generator (2) for cardiac stimulation, such as a pacemaker, a defibrillator, a resynchronizer, a neurostimulation mechanism or another similar generator arranged external to the patient's body (3) and an electrode (5) that has a first end (5.1) for connection to the patient's heart (3) and a second end (5.2) for connection to said generator (2).
- a generator (2) for cardiac stimulation such as a pacemaker, a defibrillator, a resynchronizer, a neurostimulation mechanism or another similar generator arranged external to the patient's body (3) and an electrode (5) that has a first end (5.1) for connection to the patient's heart (3) and a second end (5.2) for connection to said generator (2).
- This device comprises a casing (4) to contain said generator (2) inside it, some electrode connection means (5), a watertight closure element (10), a skin fixation device (6) of the electrode ( 5) and means of fastening the casing (4) to the patient's body (3).
- the casing (4) has first and second openings (7.1, 7.2) equal and arranged on opposite sides thereof.
- the casing (4) is formed by a rear part (8.1) in contact with the patient's body (3) and a front part (8.2), both joined by hinged means (9) and, comprises closing means at an end opposite the hinged means (9).
- These closing means consist in this embodiment, in the fitting of the first connector (13) in the first opening (7.1) of the housing (4) and the fitting of the closing element (10) in the second opening (7.2) Of the same. Said engagement of both allows to keep together both the rear and front parts (8.1, 8.2) of the casing (4).
- the means for securing the casing (4) to the patient's body (3) are formed by a longitudinal and flexible tape (11) suitable for its placement as a collar around the patient's neck (3).
- the casing (4) comprises on the external surface of the rear part (8.1) an eye (12) suitable for hooking the longitudinal strap (11) therein.
- the tape (11) is passed through the eyelet (12) of the casing (4) and the latter remains securely attached to the patient's neck (3).
- the connection means of the electrode (5) are formed by a first connector (13) for the passage of the second end (5.2) of the electrode (5), which has a sealing valve (14) in its inside.
- the electrode (5) is connected to the generator (2) through the first opening (7.1), whereby the first connector (13) is arranged in said first opening (7.1) , but in the case in which the connection had to be made in the opposite hemibody of the patient, the electrode (5) would be connected through the second opening (7.2).
- the electrode (5) comprises a covering sheath thereof, in the externalized part thereof, between the outlet thereof through the first opening (7.1) of the housing (4) in this case, up to the second connector (19) for anchoring to the skin clamping device (6).
- the cover is preferably formed of a plastic material having shrinkable properties.
- the sealing valve (14) of the first connector (13) comprises internal discs (15) that allow the passage of the electrode (5) while providing sealing to said first opening ( 7.1), in this case.
- the electrode (5) is connected to the generator (2) through the first opening (7.1), it is the second opening (7.2) of the casing (4) that has a sealing element (10).
- the skin fixation device (6) of the electrode (5) has anchoring means to said electrode (5) and means of adherence to the patient's torso (3).
- the skin fixation device (6) has a tubular shape with first and second ends (6.1, 6.2) and at least a semicircular section (16) between them.
- this skin fixation device (6) comprises two additional straight sections (17) between the semicircular section (16) and the first and second ends (6.1, 6.2) respectively of said skin fixation device ( 6), as can be seen in said figures.
- Figures 5 and 7 show that the skin fixation device (6) comprises a groove (18) that communicates the inside of the skin fixation device (6) with the outside along its entire length between the two first and second extremes (6.1, 6.2).
- the dimensions of said slot (18) are such that they allow the introduction of the electrode (5) into the entire tubular path of the skin fixation device (6) from the first end (6.1) to the second end (6.2) of the same.
- the means for anchoring the electrode (5) to the skin fixation device (6) are formed by a second connector (19), shown in Figures 6.1, 6.2 and 7, suitable for connection to the first or second end (6.1, 6.2) of said skin fixation device (6), in this case the first end (6.1) thereof.
- This second connector (19) has first notches (20) on its inner surface, while the first and second ends (6.1, 6.2) of the skin fixation device (6) have second notches (21) suitable for for fitting to the first notches (20) of said second connector (19).
- the adhesion means of the skin fixation device (6) are formed by an emerging element (22) of the semicircular section (16) of said skin fixation device (6) with one face ( 22.1) opposite said semicircular section (16) and an adhesive on it.
- this skin fixation device (6) comprises means for tying the electrode (5) thereto, to fix the electrode (5) to said device even more securely.
- These tying means are formed by a silk thread or similar (not represented in the Figures), a third notch (23) around the contour of the central section of the semicircular section (16), and a through hole (24) arranged coincident with said third notch (23) between it and the emerging element (22) of the adhesion means.
- This third notch (23) is suitable for fitting said silk thread and tying it around the electrode (5).
- the system (1) further comprises a padded element (25) on the inner surface of both front and rear parts (8.1, 8.2), to thereby damp the contact of the generator (2 ) with said front and rear parts (8.1, 8.2) of the casing (4).
Landscapes
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Electrotherapy Devices (AREA)
Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202080054598.6A CN114206433B (zh) | 2019-08-02 | 2020-07-17 | 用于电刺激发生器的紧固系统 |
| AU2020325726A AU2020325726B2 (en) | 2019-08-02 | 2020-07-17 | Fastening system for an electrical stimulation generator |
| CA3145450A CA3145450A1 (en) | 2019-08-02 | 2020-07-17 | Fastening system for an electrical stimulation generator |
| EP20849457.5A EP4008396B1 (en) | 2019-08-02 | 2020-07-17 | Fastening system for an electrical stimulation generator |
| US17/624,392 US11975201B2 (en) | 2019-08-02 | 2020-07-17 | Fastening system for an electrical stimulation generator |
| US18/433,686 US20240173552A1 (en) | 2019-08-02 | 2024-02-06 | Fastening system for an electrical stimulation generator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201930723A ES2804080B2 (es) | 2019-08-02 | 2019-08-02 | Sistema de sujeción para generador de estimulación eléctrica |
| ESP201930723 | 2019-08-02 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US17/624,392 A-371-Of-International US11975201B2 (en) | 2019-08-02 | 2020-07-17 | Fastening system for an electrical stimulation generator |
| US18/433,686 Continuation US20240173552A1 (en) | 2019-08-02 | 2024-02-06 | Fastening system for an electrical stimulation generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021023901A1 true WO2021023901A1 (es) | 2021-02-11 |
Family
ID=74246702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/ES2020/070464 Ceased WO2021023901A1 (es) | 2019-08-02 | 2020-07-17 | Sistema de sujeción para generador de estimulación eléctrica |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US11975201B2 (es) |
| EP (1) | EP4008396B1 (es) |
| CN (1) | CN114206433B (es) |
| AU (1) | AU2020325726B2 (es) |
| CA (1) | CA3145450A1 (es) |
| ES (1) | ES2804080B2 (es) |
| WO (1) | WO2021023901A1 (es) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0599567A2 (en) * | 1992-11-20 | 1994-06-01 | Pacesetter, Inc. | System and method for stimulating a heart having undergone cardiac myoplasty using a single-chamber pacemaker |
| EP0948972A2 (en) * | 1998-04-07 | 1999-10-13 | Lifecor, Inc. | Support garments for patient-worn energy delivery apparatus |
| US20140172056A1 (en) * | 2012-12-14 | 2014-06-19 | Boston Scientific Neuromodulation Corporation | Systems and methods for making and using contact assemblies for leads of electrical stimulation systems |
| CN108671400A (zh) * | 2018-06-12 | 2018-10-19 | 李长寿 | 一种心脏急救起搏器 |
| US20190160262A1 (en) * | 2016-07-29 | 2019-05-30 | University Of Central Lancashire | A tube stabilising device |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4966319A (en) * | 1989-11-02 | 1990-10-30 | Jim Fleming Communications | Orthodontal device carrying case with neck strap |
| US5545189A (en) * | 1995-11-02 | 1996-08-13 | Ventritex, Inc. | Case-activating switch assembly for an implantable cardiac stimulation device |
| US5679026A (en) * | 1995-12-21 | 1997-10-21 | Ventritex, Inc. | Header adapter for an implantable cardiac stimulation device |
| SE9803692D0 (sv) * | 1998-10-27 | 1998-10-27 | Pacesetter Ab | A connector for a heart stimulator |
| US6622046B2 (en) * | 2001-05-07 | 2003-09-16 | Medtronic, Inc. | Subcutaneous sensing feedthrough/electrode assembly |
| CN100394896C (zh) | 2004-12-31 | 2008-06-18 | 田亚华 | 永久性心脏起搏器植入术后压迫止血及囊袋保护装置 |
| US8103347B2 (en) * | 2007-04-25 | 2012-01-24 | Advanced Neuromodulation Systems, Inc. | Implantable pulse generator comprising MRI current limiting windings in header structure |
| KR101033749B1 (ko) * | 2009-08-13 | 2011-05-09 | 국립암센터 | 체내이식용 전기자극장치의 커넥터조립체 및 이를 포함하는 전기자극장치 |
| US8834426B2 (en) * | 2009-10-27 | 2014-09-16 | Russell Shipman | Catheter and tubing restraining device and protective cover |
| US8843200B2 (en) * | 2010-04-29 | 2014-09-23 | Medtronic, Inc. | Neurological screening connector |
| US8401670B2 (en) * | 2010-04-30 | 2013-03-19 | Medtronic, Inc. | Neurological screening connector |
| DE102013200151A1 (de) * | 2013-01-08 | 2014-07-10 | AdjuCor GmbH | Herzunterstützungsvorrichtung mit Markierungen |
| CN105873630B (zh) * | 2013-11-22 | 2020-01-03 | 隆佩瑟尔医疗公司 | 用于通过经血管神经刺激辅助呼吸的装置和方法 |
| US9895531B2 (en) * | 2014-04-11 | 2018-02-20 | Pacesetter, Inc. | Protective patch for protecting the implant site of a trial neurostimulation lead |
| CN107148294B (zh) * | 2014-08-15 | 2021-08-24 | 艾克索尼克斯股份有限公司 | 用于试验神经刺激的外部脉冲发生器设备和相关联方法 |
| US20160067502A1 (en) * | 2014-09-04 | 2016-03-10 | Pacesetter, Inc. | Enclosure for protecting a trial neurostimulation generator from contamination |
| ES2583159B1 (es) * | 2015-02-17 | 2017-04-28 | Ionclinics And Deionic, S.L. | Dispositivo para el diagnóstico y regeneración inducida en tejidos mediante electrolisis percutánea terapéutica y electro-estimulación focalizada con aguja bipolar |
| WO2018140623A1 (en) * | 2017-01-26 | 2018-08-02 | Cardiac Pacemakers, Inc. | Leadless device with overmolded components |
| EP3585475B1 (en) * | 2017-02-24 | 2024-04-03 | Nalu Medical, Inc. | Apparatus with sequentially implanted stimulators |
| NL2019577B1 (en) * | 2017-09-19 | 2019-03-28 | Cardiac Pacemakers Inc | Stimulation/sensing electrode fixation device and electrical lead |
-
2019
- 2019-08-02 ES ES201930723A patent/ES2804080B2/es active Active
-
2020
- 2020-07-17 AU AU2020325726A patent/AU2020325726B2/en active Active
- 2020-07-17 EP EP20849457.5A patent/EP4008396B1/en active Active
- 2020-07-17 WO PCT/ES2020/070464 patent/WO2021023901A1/es not_active Ceased
- 2020-07-17 US US17/624,392 patent/US11975201B2/en active Active
- 2020-07-17 CA CA3145450A patent/CA3145450A1/en active Pending
- 2020-07-17 CN CN202080054598.6A patent/CN114206433B/zh active Active
-
2024
- 2024-02-06 US US18/433,686 patent/US20240173552A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0599567A2 (en) * | 1992-11-20 | 1994-06-01 | Pacesetter, Inc. | System and method for stimulating a heart having undergone cardiac myoplasty using a single-chamber pacemaker |
| EP0948972A2 (en) * | 1998-04-07 | 1999-10-13 | Lifecor, Inc. | Support garments for patient-worn energy delivery apparatus |
| US20140172056A1 (en) * | 2012-12-14 | 2014-06-19 | Boston Scientific Neuromodulation Corporation | Systems and methods for making and using contact assemblies for leads of electrical stimulation systems |
| US20190160262A1 (en) * | 2016-07-29 | 2019-05-30 | University Of Central Lancashire | A tube stabilising device |
| CN108671400A (zh) * | 2018-06-12 | 2018-10-19 | 李长寿 | 一种心脏急救起搏器 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4008396A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2020325726B2 (en) | 2025-04-24 |
| US11975201B2 (en) | 2024-05-07 |
| ES2804080A1 (es) | 2021-02-03 |
| EP4008396A1 (en) | 2022-06-08 |
| CA3145450A1 (en) | 2021-02-11 |
| EP4008396A4 (en) | 2023-08-23 |
| US20220347472A1 (en) | 2022-11-03 |
| CN114206433B (zh) | 2025-11-18 |
| ES2804080B2 (es) | 2021-08-05 |
| US20240173552A1 (en) | 2024-05-30 |
| EP4008396C0 (en) | 2024-11-20 |
| AU2020325726A1 (en) | 2022-02-10 |
| EP4008396B1 (en) | 2024-11-20 |
| CN114206433A (zh) | 2022-03-18 |
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