CN85103895A

CN85103895A - Heart impulse starter for first aid

Info

Publication number: CN85103895A
Application number: CN 85103895
Authority: CN
Inventors: 汪志作
Original assignee: Liaoyang Petroleum And Chemical Fibre Co China Petro-Chemical Corp
Current assignee: Liaoyang Petroleum And Chemical Fibre Co China Petro-Chemical Corp
Priority date: 1985-05-06
Filing date: 1985-05-06
Publication date: 1986-07-02
Also published as: JPS62249657A; CN85103895B

Abstract

The present invention is a kind of survival kit of settling endocardium or soft pacing electrode through breast fast.It is made of miniature pacing electrode, electrode implantation device, subcutaneous anode electrode, pricker, connecting conducting wire, pacemaker.The electrode tip of pacing electrode is a pyramid type, and pacing electrode wire is thin and matter is soft, and electrode arrangement is on endocardium or cardiac muscle, and is fixed, little to heart and injury, and the electrode implantation device is settled pacing electrode, pumps blood back with syringe, determines to enter heart.Once electrode is inserted endocardium or cardiac muscle, also can chemically examine when settling electrode toward chambers of the heart injection or blood drawing, simple to operate, the success rate height.

Description

Heart impulse starter for first aid

The present invention a kind ofly settles the endocardium of soft lead or the survival kit of myocardial lead through breast.

Settle heart pacing electrode quickly and accurately.Especially under the emergency treatment situation, to various asystoles, the patient that routine medication is invalid will be a very crucial step.Present countries in the world hospital clinical, for example capable endocardial pacing must be located down by means of the fluorescent perspective.Insert cardiac catheter through vein.Settle pacing electrode, row visceral pericardium and myocardium pace-making need operation open breast and settle electrode, and this will be by means of certain device and the skilled operating technology of doctor, often fall throughs all.

Think now the guide device of the most novel arrangement heart pacing electrode be utilize puncture needle through breast with puncture needle in two single steel wire electrodes in generation, insert the chambers of the heart with puncture needle, withdraw from puncture needle subsequently, the height of this implantation endocardial lead success rate, still need by doctors experience, reach to fall through with feel and judge whether puncture needle enters the chambers of the heart.

Used pacing electrode in the prior art, be steel wire electrode with insulation crust, though straight thrust draw point formula electrode has been had improvement, but many weak points are arranged, the steel wire electrode pliability is poor, and after the arrangement, the dirty work that is difficult for following one's inclinations is moving, easy injury of myocardium tissue, more difficult being fixed on securely on endocardium or the cardiac muscle.When patient's own activity or removing patient, after electrode is touched, leave endocardium or cardiac muscular tissue easily and make pace-making malfunctioning behind the cardiac pacing.

The present invention be exactly according to above-mentioned heart pacing electrode and settle the implantation instrument of electrode remain weak point, settle endocardium or myocardial lead implantation instrument and the pacing electrode of the soft lead of firm fixation on endocardium or cardiac muscle easily and study a kind of being suitable for quickly and accurately through breast.

Heart impulse starter for first aid of the present invention is made up of miniature pacing electrode, pacing electrode implantation device, pricker, subcutaneous anode electrode, connecting conducting wire, pacemaker.Its main points are that implantation device has dual-purpose or popular style, and the dual-purpose implantation device both can be settled endocardial lead, can settle myocardial lead again.A central shaft (1) is arranged in the implantation device, front end is equipped with dismountable implantation needle tubing (26), apart from 3 to 5 millimeters sidewall locations of needle tubing front end one symmetrical holes (28) is arranged, it anterior with central shaft (1) or implant conduit on needle tubing (26) rear sidewall interrupt (27) be used to connect syringe.Extract blood back out to determine that electrode enters the chambers of the heart, be placed in the pacing electrode on endocardium or the cardiac muscle, in settling electrode process, can be used as again and implant the pacing electrode head (29) that syringe needle is used, be by with its electrode cable that welds mutually (30), pass the central duct of implanting needle tubing (26) and central shaft (1),, electrode cable (30) is strained by the sealing silica gel tube (17) that connects with the joining compressing member of implantation device body (19) extruding central shaft (1) tail end.And be engaged togather with implantation device needle tubing (26) front end.

Fig. 1 is the assembling sketch map of dual-purpose electrode implantation device.

Fig. 2 is the assembling sketch map of popular electrode implantation device.

Fig. 3, Fig. 4 are the structures of dual-purpose electrode implantation device body, it has a central shaft (1), be placed in the device body shell (11), be with a spring (4) on the central shaft (1), its front end withstands on the forward inward flange of device body shell (11), the rear portion withstand on the joining adjusting nut of slide block (7) (6) on, individual groove is arranged at slide block (7) bottom.A plush copper that links with movable handle (14) is arranged in it, move movable handle (14), drive slide block (7), can promote central shaft (1) and move forward by plush copper, the compressing member (19) of described sealing silica gel tube (17) is a pinion that is enclosed within on the mandrel (18).It by with mandrel (18) the joining sealing pull bars in both sides (15) after move on to the end, extruding is welded on the link stopper (8) that covers in the shell (3), with silica gel tube (17) sealing, the silica gel tube after the sealing must not have gas leak phenomenon, and can push down electrode cable effectively.Have handle (12) under the described device body shell (11), there is individual groove the front side, a spring screw (25) is arranged in the groove, a fixing end of relief spring (24), another free end is pressed on the bumper bar (21), on push away bumper bar (21), can block the setscrew nut (10) that is fixed on central shaft (1) afterbody, further restriction moves forward near the slide block (7) of setscrew nut (10).The ring washer (20) that is stuck in device body shell (11) rear groove can be lived setscrew nut (10) by shelves, moves behind the restriction central shaft (1).

It is conical that the structure chart of Fig. 5 pacing electrode, electrode tip (29) are, and awl end external diameter is greater than implantation device needle tubing (26) external diameter, and its available medical stainless steel or silver-plated alloy are made.With the electrode cable (30) that electrode tip (29) welds together, to make by the soft stainless steel silk of multiply, the outside is surrounded by insulation tube (32), and its resistance value is not more than 45 ohm.The electrode cable afterbody has electrode plug (33), and tail end has a guide wire ring (31) in order to connect with guide wire.

Fig. 6 implantation device needle tubing structure chart.It is to be made by rustless steel.

The use of pacing electrode implanting device, to earlier the guide wire tip be passed the guide wire ring (31) of electrode tail end, little hook on the guide wire is connected with guide wire ring (31), pass the central duct of implanting needle tubing and implanting device central shaft (1) with it, behind the stretching electrode cable (30), to move on to the end behind the implanting device sealing pull bar (15) after one's death, make with seal the mandrel (18) that pull bar (15) connects on compressing member (19) extruding cover the link stopper (8) that welds in the shell (3), sealing silicone tube (17), electrode is fixed on the implanting device, pass bumper bar (21) and block setscrew nut (10), remove guide wire, for subsequent use after the sterilization.

The row endocardial pacing is settled endocardial lead, and available dual-purpose type or popular implanting device are under xiphoid-process or pareordia. With the point of puncture pricker, puncture skin is got the salt of packing into again The syringe of water. With connecting conduit will interrupt (27) connect with implanting device; discharge tube chamber gas; open implanting device bumper bar (21); the right hand is held implanting device; left hand takes syringe to refer to take implanting device with forefinger with mother simultaneously, in the capable chambers of the heart puncture of point of puncture, when implant needle enters the thoracic cavity; remove out left hand; the right hand continues puncture, treats that the left hand syringe pumps blood back (proof enters the chambers of the heart), colludes movable handle (14) immediately; extract implanting device and (leave skin when implanting needle tubing; use the left hand guard electrode, the right hand continues to remove again), electrode is connected through connecting lead and pacemaker negative electrode; under xiphoid-process, settle subsequently subcutaneous anode electrode, connect pacemaker and get final product pace-making.

Settle myocardial lead and settle the endocardial lead step identical, only need before settling electrode, stir adjusting nut (6) and reserve the depth dimensions of implanting cardiac muscle, under oscillographic supervision, just can collude movable handle (14) when syringe needle touches visceral pericardium (oscillographic oscillogram is a signal), finish the arrangement of myocardial lead.

Comparing of the present invention and prior art through breast emergency pacing device, it is thin and pliable and tough to have pacing electrode wire, and the electrode tip surface area is little, and pacing threshold is low, pacing electrode is little to heart and injury, but need the long period to keep somewhere by the state of an illness, it is firm to contact with endocardium or cardiac muscle, behind the patient's heart pace-making, own activity or removing patient counter electrode do not have influence, the electrode implantation device is simple to operate, is easy to grasp, can be to advantages such as chambers of the heart injection or blood drawing chemical examinations when settling pacing electrode simultaneously.

Claims

1, a kind of electrode tip that has.The heart impulse starter for first aid of electrode cable pacemaker, pricker, connecting conducting wire, subcutaneous anode electrode is characterized in that the implantation device body can be dual-purpose or popular style.A central shaft [1] is arranged in the device body, and front end is equipped with dismountable implantation needle tubing [26].Tail end connects a sealing silica gel tube [17], and is anterior or implant a conduit interrupt [27] is arranged on needle tubing [26] the rear sidewall position at central shaft [1].Pacing electrode head [29] as cardiac pacing.Settle in the electrode process and can be used as the implantation device syringe needle.It leans on the electrode cable [30] with its welding.Pass the central duct of implanting needle tubing [26] and central shaft [1], by the extruding of compressing member [19].Sealing silica gel tube [17].Strain electrode cable [30], and be engaged togather with implantation needle tubing [26] front end.

2,, it is characterized in that on the central shaft (1) in the dual-purpose electrode implantation device body having one to settle myocardial lead in order to determine the adjusting nut (6) of implantation depth size by the described heart impulse starter for first aid of claim 1.The compressing member (19) of sealing silica gel tube (17) is a pinion that is enclosed within on the mandrel (18), moves on to the end behind mandrel (18) two sealing pull bars (15) that both sides connected, and extruding is welded on the link stopper (8) that covers in the shell (3).Silica gel tube (17) is sealed.

3,, it is characterized in that locating to have on the two side one for drawing back the symmetrical holes (28) that blood is used apart from implanting 3 to 5 millimeters of needle tubing front ends by the described heart impulse starter for first aid of claim 1.

4, by claim 1 or 3 described heart impulse starter for first aid, it is characterized in that implanting needle tubing is to be made by rustless steel.

5, by claim 1 or 2 described heart impulse starter for first aid, it is characterized in that the electrode tip (29) of pacing electrode is pyramid type, awl end external diameter should be greater than the implant needle external diameter of pipe, and electrode tip (29) is made with medical stainless steel or silver-plated alloy.

6,, it is characterized in that the electrode cable tail end has one to be used as and the joining guide wire ring of guide wire (31) by right 1 described heart impulse starter for first aid.

7, by right 1 or 6 described heart impulse starter for first aid, it is characterized in that electrode cable is to be made by the soft stainless steel silk of multiply, its resistance value is not more than 45 ohm.