CN209253948U - A kind of multifunctional electrodes conduit of implantable cardiac pace-making - Google Patents

Abstract

The utility model discloses a kind of multifunctional electrodes conduits of implantable cardiac pace-making, belong to the field of medical instrument technology, it mainly include electrode catheter, connector, first electrode head, second electrode head, first injection lumen, second medicine cavity pipe, seal wire lumen, fixed substrate, sensing collection cyclization, first deflecting plate and the second deflecting plate, the proximal end of electrode catheter is connected with sensing collection cyclization and connector, first electrode head, second electrode head is located at electrode catheter distal end, and pass through conductance silk, first injection lumen, second medicine cavity pipe is connected with connector, fixed substrate, first deflecting plate and the second deflecting plate are located inside electrode catheter, for fixing conductance silk, first injection lumen, second medicine cavity pipe.In short, the utility model structure is simple, significant for patients with arrhythmia therapeutic effect and highly-safe.

Description

A kind of multifunctional electrodes conduit of implantable cardiac pace-making

Technical field

The utility model belongs to the field of medical instrument technology, and in particular to a kind of multifunctional electrodes of implantable cardiac pace-making Conduit.

Background technique

Arrhythmia cordis refer to any abnormal of the origin position of cardiac impulse, cardiac frequency and the rhythm and pace of moving things and impulse conduction and Speech.It can be caused by factors such as various makings cardiovascular diseases, drug poisoning, electrolyte and acid-base imbalances, part heart rate loses Caused by often can also be because of vegetative nerve functional disturbance.

The treatment of arrhythmia cordis is treated and is prevented attacks when should include breaking-out.In addition to etiological treatment, still it is divided into drug and controls It treats and two aspect of non-drug therapy.Etiological treatment includes correcting heart pathology to change, adjust abnormal pathologic physiological function (such as coronary artery Dynamically narrow, pumping function is not complete, autonomic nervous tension changes etc.), and removal leads to other inducements of arrhythmia episode (such as Electrolyte imbalance, adverse drug side effect etc.).

Drug therapy bradyarrhythmia generally selects enhancing autorhythmia of cardiac and (or) accelerates the drug of conduction, such as quasi- to hand over Feel neural medicine (isoprel etc.), vagus nerve inhibits drug (atropine) or basifier (gram molecule sodium lactate or carbonic acid Hydrogen sodium).Treat tachy-arrhythmia and then select the drug for slowing down conduction and extending refractory period, as vagal excitation agent (it is new this Bright, digitalis preparation), sympathetic transmitter releasers indirect excitation vagus nerve (methoxamedrine, phenylephrine) or antiarrhythmic drug.

Non-drug therapy includes mechanical means excited vagus, and pacemaker, electrical conversion, electric defibrillation is electric to melt, and is penetrated Frequency ablation and freezing or laser ablation and operative treatment.The vagal method of reflex excitation has oppression eyeball, massaging neck Artery sinus pinches nose forced expiration and holds gas etc..Pacemaker is chiefly used in treating bradyarrhythmia, is pressed with low energy electric current Preset frequency regularly stimulates atrium or ventricle, maintains cardiomotility；Also for treating reentrant tachy-arrhythmia and the heart Ventricular fibrillation is dynamic, turns back and to be formed by the single of process control or continuous quickly electro photoluminescence suspension.For at present, for most of serious Arrhythmia cordis rapidity or Retarder theory patient for, pacemaker be treat arrhythmia cordis most direct effective technology Means.

But certain damage is woven with after being chronically implanted due to electrode to cardiovascular group, in addition when carrying out electro photoluminescence, The current density of surrounding them region of discharge is excessive, so that this part of heart vascular tissue generates adverse reaction, so as to cause the heart Neuron is interfered with electrode interface in dirty vascular tissue, therefore, it is difficult to obtain useful signal, or applies effective stimulation. Also, largely studies have shown that neurotrophic factor and nerve growth factor are repaired in the survival of neuron, growth, differentiation, damage Play the role of during multiple, nerve regneration etc. very important.

Utility model content

Against the above technical problems, the utility model provides a kind of implantable cardiac that can carry out electro photoluminescence and loading simultaneously The multifunctional electrodes conduit of pace-making.

The technical solution of the utility model are as follows: a kind of multifunctional electrodes conduit of implantable cardiac pace-making, main includes electricity Pole conduit, connector, first electrode head, second electrode head, the first injection lumen, the second medicine cavity pipe and seal wire lumen, the company The proximal end that device is mounted on the electrode catheter is connect, the inside of electrode catheter is equipped with fixed substrate, the first deflecting plate and second is biased to Plate, the fixed substrate fixation are connected in the inner cavity of electrode catheter, and first deflecting plate and the second deflecting plate are opposite respectively It is fixed on the inner wall close to electrode catheter distal end, the distal end of electrode catheter is equipped with flexible tip, the first electrode head and the Two electrode tips are located at the both sides of the flexible tip, the first injection lumen, the second medicine cavity pipe distal end be located at The proximal end of the inner hub location of first electrode head, second electrode head, the first injection lumen and the second medicine cavity pipe and connector phase Even, connector is connected with pacemaker, the first injection lumen and the second medicine cavity pipe and the miniature infiltration in pacemaker Saturating press pump is connected, and first electrode head and second electrode head pass through conductance silk respectively and be connected with connector, and the seal wire lumen is located at Location mid-shaft inside electrode catheter, and seal wire lumen proximal end is connected with connector, distally runs through fixed substrate and flexible tip It is connected.

Further, sensing collection cyclization is equipped between the connector and electrode catheter proximal end, it can be to intravascular temperature, wet Degree and velocity of blood flow are monitored, and feed back to pacemaker, when adjusting stimulation according to the actual situation convenient for pacemaker Between and dynamics.

Further, the center in the fixed substrate is equipped with macropore, and the two sides of the macropore are respectively equipped with mesoporous One and mesoporous two, the two sides of the mesoporous one be respectively equipped with aperture one, the two sides of the mesoporous two are respectively equipped with aperture two, fixed The effect of substrate is to guarantee that lumen pipeline is unimpeded to fix the first injection lumen, the second medicine cavity pipe, seal wire lumen, conductance silk, Also avoidable conductance silk, which is mutually wound, simultaneously leads to short circuit.

Further, the center of first deflecting plate and the second deflecting plate is respectively equipped with mesoporous three and mesoporous four, The two sides of the mesoporous three are respectively equipped with aperture three, and the two sides of the mesoporous four are respectively equipped with aperture four, first deflecting plate Play the role of further support and fixed-direction with the second deflecting plate.

Further, the seal wire lumen is worn in the macropore, and first injection is worn in the mesoporous one and mesoporous three Lumen, wears the second medicine cavity pipe in the mesoporous two and mesoporous four, in the aperture one, aperture two, aperture three and aperture four Wear the conductance silk.

Further, the first electrode head is divided into the first stimulating electrode and the first recording electrode, the second electrode head Be divided into the second stimulating electrode and the second recording electrode, between first stimulating electrode and the first recording electrode, second stimulation electricity It is separated with insulating layer, first stimulating electrode and the second stimulating electrode between pole and the second recording electrode, electric thorn is carried out to blood vessel Swash, convenient for record neuron activity information, insulating layer can prevent two neighboring for first recording electrode and the second recording electrode Electrode contact interference.

The working method of the utility model are as follows: penetrate multifunctional electrodes of the seal wire by the utility model in the seal wire lumen Conduit is implanted into above heart of patient in vein, connects pacemaker by the connector, and pacemaker is implanted into disease People chest hypodermic layer, when arrhythmia cordis phenomenon occurs for patient, first stimulating electrode and/or the second stimulating electrode are sent Electric current stimulation, while first recording electrode and the second recording electrode record neuron activity information, and feed back to heart and rise It fights device；And drug or nutriment are conveyed to stimulation point by the first injection lumen and the second medicine cavity pipe, reach the final heart Restrain not normal symptom patient's heart pacing therapy functional effect.

Compared with prior art, the utility model has the following beneficial effects: the implantable cardiac of the utility model pace it is more The front end of functional electrode conduit is equipped with the first stimulating electrode and the second stimulating electrode, can carry out while two point position stimulates, increase thorn Swash dynamics and area, and can alternately stimulate, prevents single position overstimulation damaged nerve tissue；First stimulating electrode and The contraposition of second stimulating electrode further respectively has the first recording electrode and the second recording electrode, for recording neuron activity letter Breath, and feed back to pacemaker；In addition, being additionally provided with injection lumen between stimulating electrode and recording electrode, it is used for stimulation point Drug or nutriment are conveyed, can be used for treating arrhythmia cordis illness or repairs electro photoluminescence damage.At the same time, the utility model Connector and electrode catheter proximal end between be equipped with sensing collection cyclization, intravascular temperature, humidity and velocity of blood flow can be supervised It surveys, and feeds back to pacemaker, adjust stimulation time and dynamics according to the actual situation convenient for pacemaker.In short, this reality With novel significant for patients with arrhythmia therapeutic effect and highly-safe.

Detailed description of the invention

Fig. 1 is the overall structure cross-sectional view of the utility model；

Fig. 2 is the B-B cross-sectional view of Fig. 1 of the utility model；

Fig. 3 is the A-A cross-sectional view of Fig. 1 of the utility model；

Fig. 4 is the C-C cross-sectional view of Fig. 1 of the utility model.

Wherein, 1- electrode catheter, 11- fixed substrate, 111- macropore, 112- mesoporous one, 113- mesoporous two, 114- aperture One, 115- aperture two, the first deflecting plate of 12-, 121- mesoporous three, 122- aperture three, the second deflecting plate of 13-, 131- mesoporous four, 132- aperture four, 14- flexible tip, 2- connector, 3- first electrode head, the first stimulating electrode of 31-, 32- first record electricity Pole, 33- insulating layer, 4- second electrode head, the second stimulating electrode of 41-, the second recording electrode of 42-, the first injection of 5- lumen, 6- Two medicine cavity pipes, 7- seal wire lumen, 8- conductance silk, 9- sensing collection cyclization.

Specific embodiment

For convenient for the understanding to the utility model, 1-4 and specific embodiment are further explained with reference to the accompanying drawing It is bright.

As shown in Figure 1, a kind of multifunctional electrodes conduit of implantable cardiac pace-making, mainly includes electrode catheter 1, connector 2, first electrode head 3, second electrode head 4, the first injection lumen 5, the second medicine cavity pipe 6 and seal wire lumen 7, connector 2 are mounted on The proximal end of electrode catheter 1 is equipped with sensing collection cyclization 9 between 1 proximal end of connector 2 and electrode catheter, can be to intravascular temperature, humidity And velocity of blood flow is monitored, and feeds back to pacemaker, adjusts stimulation time according to the actual situation convenient for pacemaker And dynamics.

As shown in Figure 1, the inside of electrode catheter 1 is equipped with fixed substrate 11, the first deflecting plate 12 and the second deflecting plate 13, Gu Determine the fixation of substrate 11 to be connected in the inner cavity of electrode catheter 1, the first deflecting plate 12 and the second deflecting plate 13 respectively it is relatively fixed On the inner wall of 1 distal end of electrode catheter, as shown in Fig. 2, the center in fixed substrate 11 is equipped with macropore 111, macropore 111 Two sides be respectively equipped with mesoporous 1 and mesoporous 2 113, the two sides of mesoporous 1 are respectively equipped with aperture 1, mesoporous 2 113 Two sides be respectively equipped with aperture 2 115, the effect of fixed substrate 11 be in order to fix the first injection lumen 5, the second medicine cavity pipe 6, Seal wire lumen 7, conductance silk 8 guarantee that lumen pipeline is unimpeded, while the also avoidable mutually winding of conductance silk 8 leads to short circuit.Such as Fig. 3 Shown, the center of the first deflecting plate 12 and the second deflecting plate 13 is respectively equipped with mesoporous 3 121 and mesoporous 4 131, mesoporous three 121 two sides are respectively equipped with aperture 3 122, and the two sides of mesoporous 4 131 are respectively equipped with aperture 4 132, the first deflecting plate 12 and Two deflecting plates 13 play the role of further support and fixed-direction.Wherein, silk lumen 7, seal wire lumen 7 are perforated in macropore 111 Positioned at 1 inside location mid-shaft of electrode catheter, and 7 proximal end of seal wire lumen is connected with connector 2, distally runs through shown macropore 111 It is connected with flexible tip 14.The first injection lumen 5 is worn in mesoporous 1 and mesoporous 3 121, in mesoporous 2 113 and mesoporous 4 131 The second medicine cavity pipe 6 is worn, wears conductance silk 8 in aperture 1, aperture 2 115, aperture 3 122 and aperture 4 132.First medicine-injecting cavity The proximal end of pipe 5 and the second medicine cavity pipe 6 is connected with connector 2, and connector 2 is connected with pacemaker, 5 He of the first injection lumen Second medicine cavity pipe 6 is connected with the Miniosmotic pumps being located in pacemaker.

As shown in Figure 1, the distal end of electrode catheter 1 is equipped with flexible tip 14, first electrode head 3 and second electrode head 4 are distinguished Positioned at the both sides of flexible tip 14, first electrode head 3 and second electrode head 4 are connected by conductance silk 8 with connector 2 respectively, the One injection lumen 5, the second medicine cavity pipe 6 distal end be located at the inner hub location of first electrode head 3, second electrode head 4, such as Shown in Fig. 4, first electrode head 3 divides for the first stimulating electrode 31 and the first recording electrode 32, and second electrode head 4 divides for the second stimulation Electrode 41 and the second recording electrode 42, between the first stimulating electrode 31 and the first recording electrode 32, the second stimulating electrode 41 and It is separated with insulating layer 33, the first stimulating electrode 31 and the second stimulating electrode 41 between two recording electrodes 42, electro photoluminescence is carried out to blood vessel, Convenient for record neuron activity information, insulating layer 33 can prevent two neighboring for first recording electrode 32 and the second recording electrode 42 Electrode contact interference.

The working method of the utility model are as follows: penetrate seal wire in seal wire lumen 7 and lead the multifunctional electrodes of the utility model Pipe is implanted into above heart of patient in vein, connects pacemaker by connector 2, and pacemaker is implanted into patient chest Hypodermic layer, when arrhythmia cordis phenomenon occurs for patient, the first stimulating electrode 31 and the second stimulating electrode 41 send electric current stimulation, together When the first recording electrode 32 and the second recording electrode 42 record neuron activity information, and feed back to pacemaker；And pass through First injection lumen 5 and the second medicine cavity pipe 6 reach final signs of arrhythmia patient's heart pace-making and control to stimulation point conveying drug Treat functional effect.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic Replacement；And these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution Spirit and scope.

Claims (6)

1. a kind of multifunctional electrodes conduit of implantable cardiac pace-making, which is characterized in that mainly include electrode catheter (1), connection Device (2), first electrode head (3), second electrode head (4), the first injection lumen (5), the second medicine cavity pipe (6) and seal wire lumen (7), The connector (2) is mounted on the proximal end of the electrode catheter (1), and the inside of electrode catheter (1) is equipped with fixed substrate (11), the One deflecting plate (12) and the second deflecting plate (13), fixed substrate (11) fixation are connected in the inner cavity of electrode catheter (1), institute It is relatively fixed on the inner wall of close electrode catheter (1) distal end respectively to state the first deflecting plate (12) and the second deflecting plate (13), electricity The distal end of pole conduit (1) is equipped with flexible tip (14), described in the first electrode head (3) and second electrode head (4) are located at The both sides of flexible tip (14), the first injection lumen (5), the second medicine cavity pipe (6) distal end be located at first electrode head (3), the inner hub location of second electrode head (4), the proximal end and connector of the first injection lumen (5) and the second medicine cavity pipe (6) (2) it is connected, first electrode head (3) and second electrode head (4) are connected by conductance silk (8) with connector (2) respectively, the seal wire Lumen (7) is located at the internal location mid-shaft of electrode catheter (1), and seal wire lumen (7) proximal end is connected with connector (2), distally passes through Fixed substrate (11) is worn to be connected with flexible tip (14).

2. a kind of multifunctional electrodes conduit of implantable cardiac pace-making as described in claim 1, which is characterized in that the connection It is equipped with sensing between device (2) and electrode catheter (1) proximal end and collects cyclic (9).

3. a kind of multifunctional electrodes conduit of implantable cardiac pace-making as described in claim 1, which is characterized in that the fixation Center on substrate (11) is equipped with macropore (111), the two sides of the macropore (111) be respectively equipped with mesoporous one (112) and in Hole two (113), the two sides of the mesoporous one (112) are respectively equipped with aperture one (114), the two sides difference of the mesoporous two (113) Equipped with aperture two (115).

4. a kind of multifunctional electrodes conduit of implantable cardiac pace-making as described in claim 1, which is characterized in that described first The center of deflecting plate (12) and the second deflecting plate (13) is respectively equipped with mesoporous three (121) and mesoporous four (131), the mesoporous The two sides of three (121) are respectively equipped with aperture three (122), and the two sides of the mesoporous four (131) are respectively equipped with aperture four (132).

5. a kind of multifunctional electrodes conduit of implantable cardiac pace-making as claimed in claim 3, which is characterized in that the macropore (111) the seal wire lumen (7) is worn in, wears the first injection lumen (5) in the mesoporous one (112) and mesoporous three (121), The second medicine cavity pipe (6), the aperture one (114), aperture two are worn in the mesoporous two (113) and mesoporous four (131) (115), the conductance silk (8) is worn in aperture three (122) and aperture four (132).

6. a kind of multifunctional electrodes conduit of implantable cardiac pace-making as described in claim 1, which is characterized in that described first Electrode tip (3) is divided into the first stimulating electrode (31) and the first recording electrode (32), and the second electrode head (4) is divided into the second stimulation Electrode (41) and the second recording electrode (42), between first stimulating electrode (31) and the first recording electrode (32), second thorn Swash and is separated with insulating layer (33) between electrode (41) and the second recording electrode (42).