WO2000018470A1 - Stimulateur cardiaque de chevet, rapide, temporaire et son procede d'utilisation - Google Patents

Stimulateur cardiaque de chevet, rapide, temporaire et son procede d'utilisation Download PDF

Info

Publication number
WO2000018470A1
WO2000018470A1 PCT/CN1999/000151 CN9900151W WO0018470A1 WO 2000018470 A1 WO2000018470 A1 WO 2000018470A1 CN 9900151 W CN9900151 W CN 9900151W WO 0018470 A1 WO0018470 A1 WO 0018470A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaped
pole
electrode
distal end
sheath
Prior art date
Application number
PCT/CN1999/000151
Other languages
English (en)
Chinese (zh)
Inventor
Kunshen Liu
Original Assignee
Kunshen Liu
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshen Liu filed Critical Kunshen Liu
Priority to AU57262/99A priority Critical patent/AU5726299A/en
Publication of WO2000018470A1 publication Critical patent/WO2000018470A1/fr

Links

Classifications

    • 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

Definitions

  • the present invention relates to a medical device, and more particularly to a device for rapid bedside temporary cardiac pacing without X-ray guidance and a method of using the same.
  • Temporary cardiac pacing is an emergency treatment technique for critical illnesses such as severe sinus bradycardia, sinus atrial block, sinus arrest, atrioventricular block, ventricular arrest, etc. These conditions can be seen in acute myocarditis, cardiomyopathy, myocardial infarction, drug poisoning or improper application.
  • the concept of temporary cardiac pacing means that the pacemaker itself is placed outside the body, and only the pacing electrode catheter is inserted into the heart cavity through the vein to make contact with the endocardium; or in vitro non-invasive cardiac pacing, the pacing pulse generator and electrode pads are placed Non-invasive cardiac pacing in vitro, such as Zoll's. At present, there are many methods and approaches for temporary cardiac pacing.
  • transendocardial pacing and non-invasive non-invasive cardiac pacing are the most versatile, reliable, and widely accepted methods.
  • the advantages of Zo l l non-invasive cardiac pacing in vitro are simple, non-invasive, easy to learn, and can be used for pacing after the electrode pads are attached to critically ill patients. Therefore, it is suitable for universal application.
  • this method can not be tolerated in awake patients, and some patients are not effective. It is only applicable to patients who are critically ill and can only maintain a short pacing time.
  • Transvenous endocardial pacing is a widely accepted method of pacing by doctors and patients. Pacing therapy can be maintained for a long time. The effect is reliable and widely accepted.
  • Patients can carry an external pacemaker around the ward.
  • the electrode catheter displacement rate in the method is high, and the incidence of ventricular perforation is about 5%-8%.
  • the infection and pulmonary embolism are higher than the supraclavicular approach when the femoral vein approach is used.
  • Transvenous endocardial pacing without X-ray guidance is difficult, especially when using the femoral vein approach.
  • Atrioventricular double-chamber physiological temporary cardiac pacing usually uses two electrode catheters of the atrium and ventricle, which are completed under the guidance of X-rays. The operation steps are cumbersome and require skilled techniques. Atrioventricular dual-chamber physiological cardiac pacing using a single electrode catheter has emerged, but the pacing function is limited to
  • the purpose of the present invention is to overcome the above-mentioned shortcomings and deficiencies of the prior art, and to provide a double-chamber physiological temporary cardiac lift device that is simple, safe, and reliable, and can be quickly completed by the bed without X-ray guidance. Instructions.
  • a rapid bedside temporary cardiac pacing device which includes: a T-shaped introduction sheath 1 and a prosthetic catheter 2 inserted into the inner channel 51 of the J-shaped introduction sheath 1 And quadrupole elastic soft electrode 4,
  • the J-shaped introduction sheath 1 has a circular tube shape, and has a distal end 5, a body part 10, and a proximal end 8, and a hemostatic valve 9 is installed in the inner hole of the proximal end 8, and the distal end of the J-shaped introduction sheath 5 has a J-shaped elbow section 6,
  • the inner channel 51 is the insertion channel of the prosthetic catheter 2 and the quadrupole elastic soft electrode 4, the prosthetic catheter 2 can be inserted into the J-shaped introduction sheath 1; it has a softer tube body
  • the quadrupole elastic soft electrode 4 of 41 has a straight circular tube shape, which is soft as a whole, and has a distal end 23, a body portion 41 and a proximal end
  • the cable binding block 34 is connected with a cable plug 33 that is connected to an external double-chamber temporary pacemaker.
  • the steel wire 20 is inserted into the central cavity 24, and the J-shaped plastic wire is ready for use.
  • the central cavity 24 has an insertion hole at the proximal end and no exit hole at the distal end.
  • the distal end 5 of the tubular J-shaped introduction sheath is blunt and smooth, and the long axis of the distal end of the J-shaped elbow of the J-shaped introduction sheath 1 is connected to the long axis of the J-shaped introduction sheath body, forming an arc angle of 120 °-160 °, Its purpose When the J-shaped elbow is introduced into the high right atrium through the right superior clavicle vein, it will not damage the blood vessels and myocardium. When the J-shaped elbow is twisted in vitro to point to the tricuspid valve, it can be inserted into its internal channel 51 The distal electrode 23 of the quadrupole flexible soft electrode 4 is directly introduced into the right ventricle for pacing.
  • the J-shaped introduction sheath 1 made of plastic is marked with a length mark 101 for reference during insertion, and the proximal end 8 of the J-shaped introduction sheath is marked with a direction mark 102 pointed by the J-shaped elbow.
  • a length mark 101 for reference during insertion
  • the proximal end 8 of the J-shaped introduction sheath is marked with a direction mark 102 pointed by the J-shaped elbow.
  • the proximal end of the J-shaped introducer sheath is equipped with a hemostatic valve 9 in the inner hole.
  • the hemostatic valve is an elastic valve.
  • the central hole allows the four-pole flexible soft electrode 4 and the prosthetic catheter 1 to pass. When it is removed, the central hole of the hemostatic valve 9 is closed. , It plays a role in stopping bleeding and preventing air from entering the blood circulation.
  • the tubular body catheter 2 is a straight round tube, the distal end 12 is blunt and smooth, the tube body portion 11 is soft, and the proximal end 15 is provided with an inner hole 14 inserted into a syringe or a guide wire, and the center of the inner hole is a central cavity 13 Into the hole, the central cavity 13 can be guided by a guide wire from the proximal end to the distal end; the prosthesis catheter is suitable for fitting in the inner channel 51 of the J-shaped introduction sheath 1, and the distal end 12 of the prosthesis catheter 2 can be introduced into the distal end of the sheath 1 from the J-shape.
  • the end 5 protrudes, the purpose of which is that the prosthetic catheter 1 can fill the space in the inner channel 51 of the J-shaped introduction sheath 1, and the distal end 12 of the prosthetic catheter 2 is blunt to prevent damage to the vessel wall and myocardium during insertion.
  • the distal end 23 of the quadrupole flexible soft electrode 4 is the cathode 23, and the second pole 26 is adjacent to the cathode 23 for ventricular pacing; the third pole 27 and the fourth pole 28 are adjacent to the atrial pacing and are located far from the distal end. 23 distance is within the range of 10-20cm.
  • the four-pole elastic soft electrode 4 has the above-mentioned coaxial double-layered spiral coil structure, and there is an insulating layer 25 between the coaxial double-layered spiral coils.
  • the inner coil layer 22 forms a central cavity 24, and is connected to the distal cathode.
  • the outer coil layer 32 is composed of three insulated guide wires 29, 30, 31, and the three insulated guide wires are respectively connected to the second pole 26 , the third pole, and the fourth pole 28;
  • the second pole 26, the third pole 27 and the fourth electrode 28 is a ring electrode, the insulating outer coil layer of wire wrapped around the insulating layer parallel to each other, isolated from each other, the first insulating section wire 29 connected to the second electrode 26, ring electrode and the third electrode 27, Pass under 4 poles 28;
  • the second insulated guide wire 30 is connected to the third pole 27 and pass under the ring electrode 4 pole 28;
  • the ring electrodes 27 and 28 are insulated from the guide wire passing under them;
  • the outer coil layer 32 is external
  • the sheath 36 is covered, and the outer sheath protrudes to form a toothed fixed wing 35 near the distal cathode 23.
  • the outer sheath layer 36 is made of a biocompatible material such as silicone rubber, polyurethane or other suitable plastic. Insulating layer 25 and toothed fixed wings 35; Four-pole flexible soft electrode has four tail cables 33, which are respectively connected to the inner coil layer and the distal cathode 23 and the outer coil layer 2nd, 3rd, 4th, and 4 cables Extends from the proximal cable collection block 34, and connects to the two-chamber temporary pacemaker. Wire end.
  • the four-pole flexible soft electrode 4 body 41 is marked with a length mark 41 for accurate positioning and reference during insertion.
  • the purpose is to accurately estimate the positions of the distal electrode 23, the third pole 27, and the fourth pole 28 during the insertion process.
  • the distal end 23 of the quadrupole flexible soft electrode 4 has a toothed fixed wing 35, the purpose of which is to enable the distal end 23 of the electrode to be anchored in the myocardial trabeculae to prevent electrode displacement.
  • the quadrupole flexible soft electrode 1 is provided with a straight shaped steel wire 20, which is slightly shorter than the axial length of the mated central cavity 24. The purpose is to enable the distal end of the quadrupole flexible soft electrode 1 to be inserted into the ventricle. Keep the soft end without damaging the myocardium.
  • the four-pole flexible soft electrode 1 is equipped with J-shaped plastic wire 21, the distal end of the J-shaped plastic wire is a J-shaped elbow section, and the distal end of the J-shaped elbow is a soft end.
  • the purpose is to make the J-shaped elbow easily inserted into the center Cavity 24, and does not damage the inner coil layer 22; a mildly curved curve section near the proximal end of the J-shaped elbow section is intended to adapt to the anatomically curved curve of the venous access, which is beneficial to the third electrode Pole and 4th pole abut the right atrium wall.
  • a method for using a rapid bedside temporary cardiac pacing device is characterized in that: The right internal jugular vein or right subclavian vein is punctured from the right supraclavicular route, and the guide wire is sent from the venous approach after puncturing. The venous approach is widened with a thick dilator, and then it is withdrawn.
  • the characteristics are: The J-shaped guide sheath with the prosthetic catheter is inserted along the guide wire until the distal J-shaped elbow section of the J-shaped introducer sheath is introduced into the entrance of the high right superior atrial vena cava, and then the prosthetic catheter is removed together with the guide wire.
  • the invention adopts a J-shaped introduction sheath to introduce an electrode catheter, which can quickly, simply, safely and reliably complete bedside emergency ventricular pacing at the bedside or the scene of the disease without X-ray guidance, which is very useful for the rescue of critically ill patients;
  • the present invention adopts a quadrupole flexible soft electrode, which can prevent electrode displacement and prevent myocardial and vascular damage; meanwhile, a dual-chamber physiological temporary cardiac pacing can be quickly, simply, safely, and reliably realized at the bedside or at the scene of the disease. Salvage of critically ill patients and preventive cardiac pacing are very useful.
  • the invention is suitable for popularization because of its simplicity and ease of learning.
  • the present invention adopts a ⁇ -shaped introduction sheath with a J-shaped elbow section at its distal end.
  • the J-shaped elbow is not made at the distal end of the catheter, but at the distal end of the J-shaped introducer sheath. Therefore, the electrode of the present invention does not need to be J-shaped at the distal end.
  • the straight electrode leaves the J-shaped introduction sheath and the distal end will directly point to the three
  • the cuspid valve is easily accessible to the apex of the right ventricle (see Figure 1).
  • the venous approach selected by the present invention conforms to the shortest and straightest path from the tricuspid valve port and the right ventricular apex. Therefore, the standard-compliant approach is only the superior supraclavicular vein approach. Therefore, the J-shaped introduction sheath must have a certain hardness and Elastic and able to withstand blood temperature Keep the original shape, can twist outside the body and point to the front left 45 of the body. Pointing to the tricuspid valve. In order to cooperate with the use of this set of instruments, the puncture method we used is: The venous approach of the J-shaped introducer sheath is inserted by venipuncture and widened with a dilator.
  • the supraclavicular vein puncture was performed using the Yof fa method to puncture the right subclavian vein or the Jernigan method to puncture the right internal jugular vein.
  • the anatomical relationship of this approach is shown in Figures 1 and 2.
  • the right internal jugular vein and the right subclavian vein merge into an innominate vein, and the intersection point forms a vein angle.
  • the puncture point, the venous angle, the superior vena cava, and the right atrium wall form an arc that curves toward the right side of the body.
  • the tricuspid valve and right ventricle are located just to the left anterior side of the entrance to the superior superior atrial vena cava.
  • the long axis of the tricuspid valve and right ventricle is approximately 1 35 ° from the long axis of the superior vena cava.
  • the puncture needle uses a fixed puncture direction, that is, 45 ° inward from the sagittal plane and 15 ° forward from the coronal plane.
  • Hepatic nerve Yof fa method
  • the Jernigan method is similar when puncturing the internal jugular vein.
  • the internal jugular vein is just outside the internal carotid artery below the neck.
  • the needle is inserted behind the sternocleidomastoid muscle bundle.
  • the puncture needle must first enter the internal jugular vein. There is also only cervical fascia in the pathway. This is the basis for ensuring the safe operation of this law.
  • subclavian artery injury, hemothorax, pneumothorax, and phrenic nerve injury can be avoided.
  • the insertion depth of the J-shaped introduction sheath should be 1/10 of the patient's length, and then the J-shaped elbow of the J-shaped introduction sheath is twisted outside the body to point to the tricuspid valve, which is the same as the sagittal plane. 45 ° angle, pointing to the front left of the body.
  • this specially made straight pacing electrode can be inserted into the right ventricle through a J-shaped introducer sheath ( Figure 1).
  • Special four-pole flexible soft electrode with fixed wings near the distal end. Its purpose is to improve the fixing performance of the electrode and prevent myocardial damage and perforation.
  • the electrode becomes straight and helps The J-shaped sheath is inserted directly into the right ventricular apex.
  • the electrode becomes soft, which can prevent the electrode from damaging the myocardium.
  • the quadrupole flexible soft electrode is designed to sense and pace the atrial and ventricular dual heart chambers in order to obtain dual-chamber physiological cardiac pacing without X-ray guidance at the bedside.
  • a straight shaped wire is inserted into its central cavity It can be inserted through a J-shaped sheath and directly into the right ventricle for pacing.
  • a J-shaped shaped wire can be used at the distal end.
  • the 3rd and 4th poles of the electrode can be pressed to the right atrium side wall, and the atrioventricular dual-chamber physiological cardiac pacing and sensing can occur immediately.
  • FIG. 1 is a schematic diagram of an approach of inserting a J-shaped introduction sheath and an electrode according to the present invention
  • FIG. 2 is a schematic diagram of a single-electrode atrioventricular dual-chamber physiological cardiac pacing
  • FIG. 3 is a plan view of a J-shaped introduction sheath of the present invention.
  • FIG. 4 is an enlarged perspective view of a J-shaped introduction sheath of the present invention.
  • FIG. 5 is a sectional view of a J-shaped introduction sheath structure of the present invention.
  • FIG. 6 is a cross-sectional view of a J-shaped introduction sheath of the present invention.
  • FIG. 7 is an external view of a prosthesis catheter of the present invention.
  • FIG. 8 is a cross-sectional view of the internal structure of the prosthesis catheter of the present invention.
  • FIG. 9 is a plan view of a J-shaped introducer according to the present invention.
  • the J-shaped introducer is formed by assembling a J-shaped introducer sheath and a prosthetic catheter together;
  • FIG. 10 is an external perspective view of a coarse dilator of the present invention.
  • FIG. 11 is an external view of a quadrupole flexible soft electrode according to the present invention.
  • FIG. 12 is an internal structure diagram of a quadrupole elastic soft electrode according to the present invention.
  • FIG. 13 is a cross-sectional view of the internal structure of a quadrupole flexible soft electrode according to the present invention.
  • Fig. 14 is an external view of a J-shaped plastic wire according to the present invention.
  • the curved money between arrows A and B in Figure 1 that is, the curve from the puncture point to the side wall of the right atrium, is an arc that spreads to the right side of the patient's body.
  • This curve shows an approach in which the guide wire and the J-shaped introduction sheath 1 are inserted.
  • the curve between arrow A and arrow C shows the J-shaped elbow 6 turns of the J-shaped introduction sheath 1 Direction and the way to insert the electrode.
  • the J-shaped elbow 6 shaped into the sheath 1 is introduced into the upper cavity static entrance of the high right atrium, and then twisted to point to the right ventricle and the tricuspid valve.
  • the long axis of the right ventricle and the tricuspid valve is 45 to the sagittal plane.
  • Arrow D and dot indicate the puncture direction and puncture point of Jernigan's method.
  • the curve between arrow D and arrow B is similar to the curve between arrow A and arrow B, which indicates that the guide wire is inserted when the internal jugular vein is punctured by Jernigan's method and: [the approach when introduced into sheath 1.
  • Figure 2 shows that the electrode was inserted through the right supraclavicular approach, and the distal end of the electrode was anchored at the right ventricular apex.
  • the third and fourth poles 27 and 28 of the electrode were pressed toward the high right atrium wall.
  • FIGS 3 to 6 are illustrations of the J-shaped introduction sheath, which can introduce the electrode from the outside into the right ventricular apex, and its distal end 5 has a: [formed by the long axis of the distal end of the elbow and the long axis of the J-shaped introduction sheath 120 °-160 ° J-shaped elbow section 6 with curved corners.
  • the distal end 5 is round and blunt, and the side view is slightly oblique.
  • the proximal end 8 has a V-shaped handle 7. In the central cavity of the proximal end 8, there is a sleeve-type hemostatic valve 9 for hemostasis and preventing air from entering.
  • the J-shaped introducer sheath was then peeled from the electrode.
  • the J-shaped introduction sheath has an inner diameter of 6 to 8Fr and an outer diameter of 8 to 12Fr. It is 5cm from the distal end and is marked with a length mark 101.
  • Proximal end 8 should be marked with a J-bend pointing 102.
  • the J-shaped introducer sheath should be stiff and flexible, and made of polyethylene or other plastic suitable for the body.
  • FIG. 7 and FIG. 8 are diagrams of the prosthetic catheter 2.
  • the prosthetic catheter 2 is suitable for being filled in the channel 51 inside the J-shaped introduction sheath 1 to fill the space. It has a softer body 11, a blunt and rounded distal end I 2 that when inserted into the J-shaped introducer sheath, it protrudes from the distal end 5 of the helical introducer sheath 3 to 5 cm.
  • the prosthesis catheter has a central lumen 13 for inserting a guide wire, and a proximal end 15 having an inner port 14 for connecting a syringe or introducing a guide wire.
  • the prosthetic catheter is adapted to be inserted into a J-shaped intrathecal channel 51.
  • FIG. 10 is a schematic diagram of a coarse dilator. It is used to widen the venous approach of the J-shaped introducer sheath 1, and its outer diameter is slightly larger than the outer diameter of the J-shaped introducer sheath 1.
  • the proximal end 17 has a handle 16 attached to the syringe, the central lumen 18 can be fed with a guide wire, and the distal end 19 is tapered and tapered for widening the access to the vein.
  • Figures 11 to 13 are diagrams of the four-pole elastic soft electrode 4, which is provided with a straight shaped steel wire 20 inserted in its central cavity 24, and a JT shaped shaped steel wire 21 is ready for use. It has a coaxial double coil structure. It has an inner spring coil layer 22 whose wires are connected to the distal cathode 23. The coil 22 surrounds the central cavity 24 and can be inserted into the shaped wire 20. The inner coil layer 22 is covered by an insulating layer 25 made of silicone rubber, polyurethane, or other body-friendly plastic.
  • the second pole 26, the third pole 27, and the fourth pole 28 are ring electrodes, which are respectively connected to the guide wires 29, 30, and 31 of the outer insulation layer.
  • the insulating guide wires 29, 30, 31 are wound in parallel and isolated from each other around the insulating layer 25 to form an outer coil layer 32.
  • the guide wire 29 is connected to the second pole 26 and passes under the third pole 27 and the fourth pole 28.
  • the guide wire 30 is connected to the third pole 27 and passes under the fourth pole 28.
  • the ring electrode is connected to the guide wires 29 and 30 passing below. insulation.
  • the distal cathode 23 is close to the second pole 26; the third pole 27 and the fourth pole 28 are close to each other and within a range of 10 to 20 cm from the far end.
  • Four tail cables 33 are branched from the cable connection block 34 and are connected to the four connectors of the external double-chamber temporary pacemaker.
  • the outer sheath protrudes near the distal cathode 23 to form a small toothed fixed wing 35.
  • the electrode is provided with a length mark at a fixed position away from the distal end 23 to facilitate the insertion of the electrode.
  • the J-shaped plastic wire 2 1 is a J-shaped elbow at the distal end and a soft end 211 at the distal end of the J-shaped elbow to facilitate insertion into the central cavity. Inside, near the J-shaped elbow section is an arc-shaped lightly curved section consistent with the direction of the J-shaped elbow.
  • the specific operation method and implementation process of the present invention are as follows: the patient is to lie flat, without a pillow or placing a small pillow between 7 and 8 cm in height between the scapula.
  • the jugular vein pressure of the patient is low, the head is lowered and the foot is high. Identify its location.
  • this part is not clear, put your hand on the patient's forehead and ask her to resist neck flexion, which can expose the sternocleidomastoid muscle angle. The area is clean and draped.
  • the center of the sag at 1 cm below the angle of the sternocleidomastoid muscle is the puncture point, where a local anesthesia is made, and a small skin incision is made with a Noll blade to cut through the skin and subcutaneous tissue.
  • the syringe syringe When the dark red blood was sucked into the syringe, the syringe syringe was removed, and a drop of blood dripped out, indicating that the puncture needle has entered the subclavian vein, and the average penetration depth of the puncture needle is about 2 to 4 cm.
  • the J-end of the guide wire is fed into about 30 cm through the puncture needle, and the wire is pulled back and forth. If there is no resistance, it indicates that it has entered the central venous system.
  • the thick dilator is inserted along the guide wire to widen the venous approach.
  • the coarse dilator is removed, the J-shaped sheath is inserted into the prosthetic catheter, and the guide wire is inserted along the guide.
  • the distal elbow of the J-shaped introducer sheath should continue to point to the right side of the body until: The T-elbow reaches the entrance of the high right superior atrial vena cava. Insert the J-shaped sheath into the patient's length 1
  • the prosthetic catheter is then removed along with the guide wire.
  • J-shaped introduction sheath The r-shaped elbow is twisted outside the body and points to the front left 45 of the patient's body. Pointing to the tricuspid valve.
  • the external dual-chamber pacemaker has been preset in the VV1 (or DDD) pacing state: that is, the ventricular stimulation amplitude is 3V, the pacing heart rate is greater than the patient's own ventricular rate, 20 bpm, and the sensitivity is 3 to 5 mv.
  • the quadrupole flexible soft electrode cable has been connected to the dual-chamber pacemaker and inserted from the J-shaped lead into the sheath until the continuous right ventricular cardiac pacing wave group appears on the ECG monitor screen.
  • the electrode insertion depth should generally be within the range of 1/10 + 10-15 cm of the patient's length. If the insertion length is less than this length, there should be a clear anchoring feeling. If the pacing parameters are determined to be acceptable, the pacing site can be accepted. .
  • the AV delay is 150 ms
  • the atrial sensory sensitivity is 0.1-0.5 mv
  • the atrial stimulation amplitude is 3 V.
  • Atrioventricular double-chamber pacing steps are summarized as follows (continued from Article 5)

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)

Abstract

L'invention porte sur un stimulateur cardiaque de chevet, rapide, temporaire et sur son procédé d'utilisation. Ce stimulateur cardiaque comprend une gaine de raccordement en forme de J et un conduit à corps apparent, ainsi que quatre électrodes souples élastiques qui correspondent avec un passage interne de la gaine de raccordement. La gaine comporte une section coudée en forme de J au niveau de l'extrémité distale et une section combinant des fils au niveau de l'extrémité proximale de l'électrode, et possède une cavité centrale dans laquelle sont raccordés les fils élastiques.
PCT/CN1999/000151 1998-09-28 1999-09-22 Stimulateur cardiaque de chevet, rapide, temporaire et son procede d'utilisation WO2000018470A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU57262/99A AU5726299A (en) 1998-09-28 1999-09-22 A fast bedside temporary pacemaker and method of using it

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN98119015.4 1998-09-28
CN98119015 1998-09-28

Publications (1)

Publication Number Publication Date
WO2000018470A1 true WO2000018470A1 (fr) 2000-04-06

Family

ID=5226214

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN1999/000151 WO2000018470A1 (fr) 1998-09-28 1999-09-22 Stimulateur cardiaque de chevet, rapide, temporaire et son procede d'utilisation

Country Status (3)

Country Link
CN (1) CN1127990C (fr)
AU (1) AU5726299A (fr)
WO (1) WO2000018470A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115253070A (zh) * 2022-09-02 2022-11-01 首都医科大学附属北京安贞医院 床旁tvtp电极导管

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10207104B2 (en) 2012-12-31 2019-02-19 Shanghai Microport Medical (Group) Co., Ltd. Cardiac electrical lead
US10765872B2 (en) * 2017-05-05 2020-09-08 Pacesetter, Inc. Implant delivery and retrieval systems and methods
US10828499B2 (en) 2017-05-05 2020-11-10 Pacesetter, Inc. Implant delivery and retrieval systems and methods
CN111265259A (zh) * 2020-03-20 2020-06-12 江苏省人民医院（南京医科大学第一附属医院） 一种超声心动图引导下成人先天性心脏病介入治疗用装置
CN115721854B (zh) * 2021-08-30 2024-03-26 深圳市先健心康医疗电子有限公司 电极导管结构及起搏电极导管装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2078178U (zh) * 1990-12-13 1991-06-05 秦明医学仪器有限公司 心脏起搏器导管电极
CN2102760U (zh) * 1990-08-27 1992-04-29 广西钦州地区医院 可调弯曲的食管内心脏起搏复律电极导管
CN1157177A (zh) * 1995-11-30 1997-08-20 惠普公司 用电神经刺激控制经皮肤的心脏调搏的***和方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2102760U (zh) * 1990-08-27 1992-04-29 广西钦州地区医院 可调弯曲的食管内心脏起搏复律电极导管
CN2078178U (zh) * 1990-12-13 1991-06-05 秦明医学仪器有限公司 心脏起搏器导管电极
CN1157177A (zh) * 1995-11-30 1997-08-20 惠普公司 用电神经刺激控制经皮肤的心脏调搏的***和方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115253070A (zh) * 2022-09-02 2022-11-01 首都医科大学附属北京安贞医院 床旁tvtp电极导管
CN115253070B (zh) * 2022-09-02 2023-01-24 首都医科大学附属北京安贞医院 床旁tvtp电极导管

Also Published As

Publication number Publication date
AU5726299A (en) 2000-04-17
CN1319027A (zh) 2001-10-24
CN1127990C (zh) 2003-11-19

Similar Documents

Publication Publication Date Title
US10369356B2 (en) Transcoronary sinus pacing system, LV summit pacing, early mitral closure pacing, and methods therefor
EP2526997B1 (fr) Systeme de stimulation du faisceau de His
US5571161A (en) Apparatus and method for implanting electrical leads in the heart
EP2291212B1 (fr) Cathéter de délivrance comprenant un orifice latéral et des électrodes
US6544270B1 (en) Multi-lumen cardiac catheter and system
EP2092955B1 (fr) Électrodes pour stimuler le coeur et/ou détecter les signaux cardiaques de l'intérieur des veines coronaires
US5827296A (en) Medical electrical lead
US20090259283A1 (en) Sheathed lead for pacing or defibrillation
US20020161423A1 (en) System and method for positioning an implantable medical device within a body
US7672735B2 (en) Two-part implantable cardiac lead
JPH07178183A (ja) シースイントロデューサ
US4401127A (en) Stable electrodes for endocardial pacing
US4357947A (en) Electrode and method for endocardial atrial pacing
US7308319B2 (en) Delivery system and method using pulmonary artery for placement of RV leads
Belott A variation on the introducer technique for unlimited access to the subclavian vein
US4552157A (en) Open curve, atrial "J" electrode
WO2000018470A1 (fr) Stimulateur cardiaque de chevet, rapide, temporaire et son procede d'utilisation
US11577075B1 (en) Transcoronary sinus pacing of his bundle
US8750996B2 (en) Medical implantable lead

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 99811141.4

Country of ref document: CN

AK Designated states

Kind code of ref document: A1

Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase