CN109568793A - Without conducting wire pacemaker and without conducting wire pacing system - Google Patents
Without conducting wire pacemaker and without conducting wire pacing system Download PDFInfo
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- CN109568793A CN109568793A CN201811593169.7A CN201811593169A CN109568793A CN 109568793 A CN109568793 A CN 109568793A CN 201811593169 A CN201811593169 A CN 201811593169A CN 109568793 A CN109568793 A CN 109568793A
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- Prior art keywords
- conducting wire
- pacemaker
- support device
- wire pacemaker
- umbrella
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- 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
-
- 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
- A61N1/056—Transvascular endocardial electrode systems
- A61N1/057—Anchoring means; Means for fixing the head inside the heart
-
- 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
-
- 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
- A61N1/3756—Casings with electrodes thereon, e.g. leadless 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
- A61N1/056—Transvascular endocardial electrode systems
- A61N1/057—Anchoring means; Means for fixing the head inside the heart
- A61N2001/058—Fixing tools
Abstract
The present invention provides a kind of no conducting wire pacemaker and without conducting wire pacing system, the no conducting wire pacemaker is designed in umbrella-shaped structure, the support device without conducting wire pacemaker and on umbrella cover including being located at umbrella handle, the support device can will be fixed on designated position without conducting wire pacemaker, eliminate traditional electrode conducting wire bring side effect, other are compared simultaneously for right ventricle (the especially right apex of the heart) without conducting wire pacemaker, this umbrella-shaped structure of no conducting wire pacemaker provided by the invention can be more with heart tissue contact surface, fixed stability is more preferable, therefore can be used at the right auricle of heart of sinoatrial node, it is possible thereby to provide the pace-making sequence for more meeting physiological, to reduce the damage to heart.It is of the invention without conducting wire pacing system, use no conducting wire pacemaker of the invention and be equipped with dedicated conveyer and guide without conducting wire pacemaker for this, so that becoming more convenient and accurate without conducting wire Pacemaker implantation.
Description
Technical field
The present invention relates to technical field more particularly to a kind of no conducting wire pacemaker and without conducting wire pacing system.
Background technique
It is dyskinetic that cardiac pacemaker system can treat irreversible cardiac pacing and conduction function caused by a variety of causes
Heart disease can be effectively reduced severe bradycardia death risk, improve patients ' life quality.Traditional cardiac pacing
Device system is wired system, generally comprises pacemaker (i.e. impulse generator) and electrode cable two parts, is generated by pacemaker
Electric pulse, the electric pulse are conducted by electrode cable to the electrode contacted with cardiac muscle, and then stimulate cardiac muscle, are made heart excitement and are received
Contracting.But it has the following deficiencies: that (1) because of the presence of electrode cable, easily causes loose electrode placement, wire fracture, cardiac perforation, leads
The side effects such as the phlebothrombosis of thread path not only influence the normal work of pacemaker, but also seriously endanger the life and health of patient
With quality of life；(2) electrode pulls out that operating difficulty is larger, need biggish electro physiology center and the doctor by being skilled in technique it is complete
At.
With the continuous research and development of moulding process, the connection type between the pacemaker and electrode of cardiac pacemaker system at present
No wire way is developed into from wired mode, it is possible thereby to solve some defects of traditional wired cardiac pacemaker system.
And existing no conducting wire pacemaker is largely the right ventricular apex position for being implanted to patient, position implantation is relatively easy, Gu
Fixed stability is good, not easily to fall off.Normal cardiac pacing is since the sinoatrial node in atrium, and the excitement automatically generated is along it
Conductive beam (atrioventricular node-left and right bundle branch-Purkinje fiber) conducts the excitement and contraction for causing entire heart to each position of heart,
Heart physiological and Pathological Physiology research confirms, the conduction orientation of the excitement originating from the right apex of the heart of right ventricle with normally pace it is suitable
Sequence is runed counter to, that is, paces not physiology, and it is asynchronous to will lead to ventricular contraction, and the long-term right apex of the heart pace-making of right ventricle will lead to ventricle muscular tissue
Structural remodeling and electricity reconstruct, eventually damage heart function, are easy initiation auricular fibrillation, heart failure even increases dead wind
Danger.
Therefore, it is necessary to be further improved to current no conducting wire pacemaker, to reduce without conducting wire pacemaker to patient's heart
Dirty damage.
Summary of the invention
The purpose of the present invention is to provide a kind of no conducting wire pacemaker and without conducting wire pacing system, electrode cable can be eliminated
Bring side effect can also avoid the right ventricular apex position for being mounted on patient, and then reduce the damage to heart.
To achieve the goals above, the present invention provides a kind of no conducting wire pacemaker, and the no conducting wire pacemaker is in umbrella knot
Structure, including without conducting wire pacemaker and support device, the no conducting wire pacemaker is the umbrella handle of the umbrella-shaped structure, the branch
Support arrangement is the umbrella cover of the umbrella-shaped structure, and the head end of the support device is connected to the head end of the no conducting wire pacemaker
On, the tail end of the support device towards the no conducting wire pacemaker extends, and the tail end of the support device can be towards institute
It states no conducting wire pacemaker to gather recycling and be unfolded far from the no conducting wire pacemaker release, the support device is used for
The no conducting wire pacemaker is set on a designated position after the support device release expansion.
Optionally, the outside of the support device is equipped with sensing electrode and pacing electrode, alternatively, the no conducting wire pace-making
The head end of device is equipped with pacing electrode and sensing electrode；The sensing electrode is used for after support device release expansion, sense
The bioelectrical signals of the corresponding position are surveyed, the pacing electrode is used for after support device release expansion to the phase
Position is answered to transmit pacing signal.
Optionally, the support device includes the umbrella cover net and/or more umbrella frames for being used to form the umbrella cover.
Optionally, when the support device includes the more umbrella frames, the head end of all umbrella frames is connected to described
On head end without conducting wire pacemaker, the tail end of all umbrella frames is evenly distributed on the circumference of a circle after release expansion,
Alternatively, all umbrella frames of the support device release expansion after about the no conducting wire pacemaker axisymmetricly.
Optionally, all umbrella frames of the support device are after release expansion, the diameter of a circle or any two
The spacing of the tail end of the umbrella frame of the root about the no conducting wire pacemaker axisymmetricly is greater than the length of the designated position.
Optionally, the tail end of the support device is equipped with for the threading mechanism across traction fiber.
Optionally, the tail end of the support device crimp outward or inward curl in a ring structure to form the threader
Structure, alternatively, the support device tail end punch to form the threading mechanism, alternatively, the tail end of the support device to
Outer curling or inward curl are in hook formation to form the threading mechanism.
Optionally, the outside of the support device is equipped with barb mechanism, and the barb mechanism is released in the support device
The tissue that corresponding position is pierced into when expansion is put, to limit the position of the support device.
Optionally, the support device is made of elastic material.
The present invention also provides a kind of no conducting wire pacing systems, comprising:
As described in the present invention without conducting wire pacemaker；
Conveyer connects the tail end without conducting wire pacemaker of the no conducting wire pacemaker, for playing the no conducting wire
Device of fighting is transported to a designated position；And
Guide, for the conveyer to be transported to the designated position.
Optionally, the conveyer includes conveying sheath, push rod and loads sheath；Wherein, the head end for loading sheath loads
On the tube socket of the conveying sheath tail end, for loading the no conducting wire pacemaker for being in recycling state；The push rod dress
It is intrathecal to be loaded in the loading, and the head end of the push rod connects the tail end of the no conducting wire pacemaker.
Optionally, the body of rod of the push rod is around spring structure.
Optionally, the tail end of the support device is equipped with threading mechanism；The conveyer further includes traction fiber, described to lead
Draw silk across the threading mechanism, and from the head end of the conveying sheath extends to the tail end for loading sheath and from the loading sheath
Tail end stretch out, for pulling the no conducting wire pacemaker with recycle the no conducting wire pacemaker to it is described load it is intrathecal, and,
The no conducting wire pacemaker is discharged so that it is unfolded after the no conducting wire pacemaker is detached from from the head end of the conveying sheath.
Compared with prior art, technical solution provided by the invention has the advantages that
1, no conducting wire pacemaker of the invention, in umbrella-shaped structure design, including be located at umbrella handle without conducting wire pacemaker with
And the support device on umbrella cover, the support device include more umbrella frames being distributed on the umbrella cover, it can will be without leading
Line pacemaker is fixed on designated position, eliminates traditional electrode conducting wire bring side effect；Meanwhile normal cardiac pacing
Sequence is since the sinoatrial node in atrium, and what is automatically generated is excited along its conductive beam (atrioventricular node-left and right bundle branch-Purkinje fibre
Dimension) conduction causes the excitement and contraction of entire heart to each position of heart, and no conducting wire pacemaker provided by the invention this
Kind umbrella-shaped structure can make no conducting wire pacemaker easily be implanted in designated position (such as right auricle of heart), i.e., this no conducting wire pace-making
The implantation position of device close to sinoatrial node so that without conducting wire pacemaker pace-making sequence closer to natural pace-making so that rise
It fights the pace-making more physiology of device.In addition, the application's is implanted in specific bit by the support device of umbrella-shaped structure without conducting wire pacemaker
It sets, i.e., more with heart tissue contact surface, fixed stability is more preferable, and then can be used at the right auricle of heart of sinoatrial node, by
This pacemaker impulse that it is provided is closer to normal cardiac pacing sequence, therefore also more physiology, to reduce to heart
Damage.
2, no conducting wire pacing system of the invention, use no conducting wire pacemaker of the invention and for this without conducting wire pacemaker
It is equipped with dedicated conveyer and guide, there can not only be no conducting wire pacemaker bring beneficial effect of the invention, also
The implant procedure of no conducting wire pacemaker is enabled to become more convenient, more preferably accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that release unfolded state is in without conducting wire pacemaker of one embodiment of the invention；
Fig. 2 is the structural schematic diagram that release unfolded state is in without conducting wire pacemaker of another embodiment of the present invention；
Fig. 3 is that the structure cooperated without conducting wire pacemaker and conveyer without conducting wire pacing system of one embodiment of the invention is shown
It is intended to；
Fig. 4 is that the conveying sheath of the conveyer without conducting wire pacing system of one embodiment of the invention and the expansion sheath of guide are matched
The structural schematic diagram of conjunction；
Fig. 5 is the conveying sheath without conducting wire pacing system of one embodiment of the invention and the structural schematic diagram of loading sheath cooperation；
Fig. 6 is the use schematic diagram without conducting wire pacing system of one embodiment of the invention；
Wherein, appended drawing reference is as follows:
1- is without conducting wire pacemaker；11- is without conducting wire pacemaker；Head end of the 111- without conducting wire pacemaker；112- is without conducting wire
The tail end of pacemaker；1121- internal screw thread；The umbrella frame of 12- support device；The head end of 121- umbrella frame；1221- threading mechanism；
The tail end of 122- umbrella frame；123- barb mechanism；
20- push rod；The head end of 200- push rod；21- traction fiber；22- loads sheath；The head end of 220- loading sheath；23- is defeated
Send sheath；The sheath of 231- conveying sheath；The head end of 2310- conveying sheath；The tube socket of 232- conveying sheath tail end；The infusion of 233- conveying sheath
Pipe；234- valve；
31- expands sheath；The head end of 311- expansion sheath；The tube socket of 312- expansion sheath tail end；
40- heart；41- inferior caval vein；42- superior vena cava；43- right ventricle；The atrium dextrum 44-；441- right auricle of heart.
Specific embodiment
To be clearer and more comprehensible the purpose of the present invention, feature, technical solution of the present invention is made with reference to the accompanying drawing detailed
Explanation however, the present invention can be realized with different forms should not be to be confined to the embodiment described.It should be noted that
Attached drawing is all made of very simplified form and using non-accurate ratio, only to convenient, lucidly aid illustration is of the invention
The purpose of embodiment.Furthermore, it is necessary to further illustrate, " head end " of certain component mentioned in the present invention is each meant at this
Enter intracorporal one end when component is implanted internal at first, correspondingly, " tail end " of certain component is each meant to be implanted in the component
Intracorporal one end or exposed one end in vitro are finally entered when in vivo.
Referring to FIG. 1, one embodiment of the invention provide it is a kind of in umbrella-shaped structure without conducting wire pacemaker comprising without conducting wire
Pacemaker 11 and releasable support device can be recycled.The no conducting wire pacemaker 11 is the umbrella handle of the umbrella-shaped structure,
The support device includes more umbrella frames 12 for being used to form the umbrella cover of the umbrella-shaped structure, and each umbrella frame 12 is towards described
The tail end 112 of no conducting wire pacemaker 11 extends, and the head end 122 of each umbrella frame 12 is both connected to the no conducting wire pace-making dress
Set on 11 head end 111, the tail end 121 of each umbrella frame 12 can gather towards the no conducting wire pacemaker 11 recycling and
Far from the no release of conducting wire pacemaker 11 expansion, the support device is used to pace the no conducting wire after release expansion
Device 11 is fixed on the designated position on heart (such as right auricle of heart).
In the present embodiment, the quantity of the umbrella frame 12 is 4~10, and the support device owns when discharging expansion
The tail end 122 of umbrella frame 12 is evenly distributed on the circumference of a circle, thus, it is possible to make no conducting wire pacemaker installation site
To avoid no conducting wire pacemaker unnecessary inclination occurs for heart tissue uniform force, and, avoid certain heart tissue by
Power is excessive and the risk of break-through；Alternatively, for the support device when discharging expansion, all umbrella frames 12 are about institute in the present embodiment
State no conducting wire pacemaker 11 axisymmetricly, i.e. the head end 121 of the umbrella frame 12 of each of the support device of the present embodiment is from nothing
The head end 111 of conducting wire pacemaker 11 sets out, and no conducting wire pacemaker 11 is located at " umbrella handle " position at the enclosed center of all umbrella frames 12
It sets, is either in recycling state without conducting wire pacemaker 1 and is in release unfolded state, no conducting wire pacemaker 11 is in
The center in the space that all umbrella frames 12 are enclosed, it is thereby possible to enough improve the heart tissue stress without conducting wire pacemaker installation site
To avoid no conducting wire pacemaker unnecessary inclination occurs for uniformity, and, avoid the heart tissue of no conducting wire pacemaker side
Stress is excessive and is possible to the risk of break-through.The umbrella frame 12 can be sheet body structure, be also possible to linear structure, with a thickness of
0.05 millimeter~1 millimeter, to reduce its size and gravity as far as possible, in turn under the premise of realizing excellent mechanical support performance
Mitigate the burden of heart.The making material of the umbrella frame 12 is preferably the excellent highly elastic material of biocompatibility, e.g. nickel
The memory metal materials such as titanium alloy, so that its lightweight as far as possible, elastic recovery properties are high, thus, it is possible to utilize umbrella frame 12 itself
Elastic property makes support device itself have elasticity on the whole in fact, be capable of the recycling of relatively wireless pacemaker 11 and release
Expansion is put, and then is discharging the heart space (such as strutting right auricle of heart) that can will strut designated position when expansion, to wireless
Pacemaker 11 plays preferable fixed function, can also avoid ad hoc recovering mechanism and release unwinder in support device
Structure further decreases the weight of support device and the cost of manufacture of support device.When all umbrella frames 12 discharge expansion completely, if
The tail end of all umbrella frames 12 is evenly distributed on the circumference of a circle, then the diameter of a circle should be greater than the length of the designated position
(such as internal diameter of right auricle of heart), if all umbrella frames 12 about the no conducting wire pacemaker 11 axisymmetricly, it is any two pass
It should be greater than the specific bit in the spacing of the tail end 122 of the umbrella frame 12 of the no conducting wire pacemaker 11 axisymmetricly
The length (such as internal diameter of right auricle of heart) set, space herein is strutted and utilize muscle retraction force squeeze the umbrella frame 12 with
Realize the fixation without conducting wire pacemaker 1.Preferably, when all umbrella frames 12 discharge expansion completely, if the tail end of all umbrella frames 12 is equal
On the even circumference for being distributed in a circle, then the diameter of a circle is bigger than the length (such as internal diameter of right auricle of heart) of the designated position
0.5 millimeter~50 millimeters, if all umbrella frames 12 about the no conducting wire pacemaker 11 axisymmetricly, any two about institute
State length of the spacing than the designated position of the tail end 122 of the umbrella frame 12 of no conducting wire pacemaker 11 axisymmetricly
(such as internal diameter of right auricle of heart) 0.5 millimeter big~and 50 millimeters, it is right as a result, to strut right auricle of heart on the basis of not injury tissue
No conducting wire pacemaker 11 plays good fixed effect.
Referring to FIG. 2, in the present embodiment, on the tail end 122 of all umbrella frames 12 of the support device
Equipped with for the threading mechanism 1221 across traction fiber (as shown in the 21 of Fig. 3), the traction fiber is used for by traction action
Afterwards, the umbrella frame 12 is pulled by the threading mechanism 1221 so that the tail end of all umbrella frames 12 is towards the no conducting wire
Pacemaker 11 gathers recycling, and after being acted on by loose ends the umbrella frame 12 for being gathered recycling is led far from the nothing
The release expansion of line pacemaker 11.The tail end 122 of the umbrella frame 12 in the present embodiment outward curling in a ring structure with
Form the threading mechanism 1221.In other embodiments of the invention, the tail end 122 of the umbrella frame 12 can also be inwardly
Structure is in a ring to form the threading mechanism 1221 for curling, alternatively, punching is on the tail end 122 of the umbrella frame 12 with shape
At the threading mechanism 1221, alternatively, the tail end 122 of the umbrella frame 12 outward curling or inward curl in hook formation with
Form the threading mechanism 1221.
Referring to FIG. 2, the tail end 112 of no conducting wire pacemaker 11 is equipped with internal screw thread 1121, with conveying in the present embodiment
The external screw thread (external screw thread that the head end 200 of the push rod 20 in such as Fig. 3 is equipped with) that the head end of device is equipped with matches, so that
The head end of the conveyer is connected with the tail end 112 of no conducting wire pacemaker 11, with convey the no conducting wire pacemaker 11 to
Designated position.In other embodiments of the invention, the tail end 112 of the head end of the push rod 20 and no conducting wire pacemaker 11
It can also be connected by the way of arresting connection.
In the present embodiment, the no conducting wire pacemaker 11 for sense bioelectrical signals (i.e. cardiac electric signals) and
Pacing signal is sent, outer layer is columned seal casinghousing, and shell, which is included, runs required electricity whether there is or not conducting wire pacemaker 11
Subassembly, such as control assembly, without conducting wire communication electronics component, battery component and memory, control unit is for sensing the heart
Dirty electric signal, the pacing signal for generating pulsed simultaneously control treatment delivering and the other function without conducting wire pacemaker 11, institute
Battery component is stated for providing power to control assembly and memory etc., memory can be register etc., for storing
Data and relevant parameter etc., no conducting wire communication electronics component with external equipment by clinician or other users for (such as being existed
Program controller used in medical facilities, the home monitor in patient family or handheld device etc.) two-way no wire communication,
The external equipment can be used for being arranged and obtaining in the no conducting wire pacemaker 11 parameter (including characterization without conducting wire pacemaker
The parameter etc. of the parameter of 1 working condition and the patient's heart sensed without conducting wire pacemaker 1).
It is envisioned that the outer layer seal casinghousing of the no conducting wire pacemaker 11 can be cylindrical body, cuboid, rib
Column or other generally cylindrical structures, side can be straight line, be also possible to curve, make as long as it can be realized pace-making
With, and be dimensionally reduced, can be moved via the sheath for the conveyer for passing through vein, to realize that heart is implanted into, this
Including invention just includes these technical solutions.At this point, the shape of the umbrella frame 12 is adapted to the no conducting wire pacemaker 11
Outer layer seal casinghousing shape and adjust variation.In order to enhance the whole air-tightness and waterproofness of no conducting wire pacemaker 1, preferably
The outer layer seal casinghousing of ground, the support device and the no conducting wire pacemaker 11 is integrally formed.
Preferably, referring to FIG. 2, the outside of at least part of support device umbrella frame 12 is equipped with hangnail machine
Structure 123, from the beginning to the end contrary of the hangnail direction of the barb mechanism 123 and umbrella frame 12, on the one hand, in all umbrella frames
12 release expansion when, the barb mechanism 123 can passively with the heart tissue of the designated position interaction (such as jail
Pricked firmly into atrial wall), it on the other hand can be in no conducting wire pacemaker 1 with the reliability for enhancing fixed without conducting wire pacemaker 1
When recycling, can not injury tissue, facilitate extraction.It is further preferred that the quantity of the barb mechanism on every umbrella frame 12 does not surpass
1 is crossed, so that the total quantity of barb mechanism 123 is less than or equal to the total quantity of umbrella frame 12, it is solid to combine no conducting wire pacemaker 1
Determine the enhancing of reliability and the mitigation of heart wall burden.The barb mechanism 123 and the umbrella frame 12 are integrally formed, to reduce
Cost of manufacture.
The no conducting wire pacemaker 1 is configured to through sensing electrode sensing bioelectrical signals (the present embodiment (not shown)
In for electrogram EGM in cardiac electric signals, such as heart), and delivered via the heart tissue that pacing electrode to contact to it
Pacemaker impulse.Wherein, the sensing electrode can be set on the outside of umbrella frame 12 described in at least one of the support device,
The pacing electrode can be set on the outside of at least another umbrella frame 12 of the support device.On the one hand, described
Sensing electrode and the pacing electrode are used for after support device release expansion, contact the tissue of the heart and to described
Heart is paced and is perceived, and on the other hand, the sensing electrode and the pacing electrode be located on different umbrella frames, can be with
Avoid the case where there are signal interferences between sensing electrode and pacing electrode.In other embodiments of the invention, the pace-making
Electrode and sensing electrode can also be arranged on the head end 111 of the no conducting wire pacemaker 11, the sensing electrode and institute
Pacing electrode is stated for the tissue of the heart being contacted and being paced to the heart after support device release expansion
And perception, and when the pacing electrode and sensing electrode are arranged on the head end 111 of the no conducting wire pacemaker 11, institute
State pacing electrode and sensing electrode when the support device is in recycling state by the support device cover up and by
Protection is exposed and is contacted the group of heart by the support device when the support device is in release unfolded state completely
It knits.
In above-described embodiment, support device is by the more formation of umbrella frame 12, but technical solution of the present invention not merely limits
Due to this, as long as support device can relatively wireless pacemaker 11 implement to recycle and discharge expansion as umbrella cover and can be with
Heart tissue has more contact surfaces.In other embodiments of the invention, the structure of the support device can also be
After release expansion can in the umbrella cover net of a umbrella cover, alternatively, the umbrella cover structure being composed of as needed umbrella cover net and umbrella frame,
Umbrella cover net and umbrella frame combination are, for example, that the umbrella cover net of whole piece is connected to the head end of wireless pacemaker, at least more umbrellas
Bone is connected to the tail end of umbrella cover net；It is again, for example, that more umbrella frames are connected to the head end of wireless pacemaker, whole piece umbrella cover net connects
Connect the tail end in all umbrella frames；It is also, for example, that more umbrella frames are connected to the head end of wireless pacemaker, and the length of umbrella frame is not
One, the umbrella cover net of multiple small pieces is connected to the tail end of shorter umbrella frame, so that its tail end is aligned with the tail end of longer umbrella frame；Again
E.g., more umbrella frames have structure as shown in Figure 1, are equipped with umbrella cover net between all or part of two adjacent umbrella frames.Its
In the support device with umbrella cover net the support device that constitutes of the opposite only umbrella frame of mechanical performance it is more preferable, can be stronger
Fixed wireless pacemaker 11.It should be noted that can use when support device is mainly made using elastic material
The elasticity of itself carrys out relatively wireless pacemaker 11 and realizes recycling and release expansion, so can when discharging expansion can with it is specified
The heart tissue of position has more contact surfaces, and the heart space of designated position is strutted, to rise to wireless pacemaker 11
To preferable fixed function；When support device not uses elastic material to make, need ad hoc for real in support device
The recovering mechanism of existing support device recycling and the release unfolding mechanism being unfolded for realizing support device release, so that support dress
Set on the whole can relatively wireless pacemaker 11 implement as umbrella cover recycle and discharge expansion, discharge expansion when can be with finger
Positioning the heart tissue set has more contact surfaces, and the heart space of designated position is strutted, to wireless pacemaker 11
Play preferable fixed function.
In conclusion no conducting wire pacemaker of the invention, is designed in umbrella-shaped structure, including being located at pacing without conducting wire for umbrella handle
Device and the support device on umbrella cover, the support device can will be fixed on designated position without conducting wire pacemaker
On, eliminate traditional electrode conducting wire bring side effect；Meanwhile because normal cardiac pacing is opened from the sinoatrial node in atrium
Begin, excited conduct along its conductive beam (atrioventricular node-left and right bundle branch-Purkinje fiber) to each position of heart automatically generated is drawn
The excitement and contraction of entire heart are played, and the pace-making sequence without conducting wire pacemaker for being located at the apex of the heart position of ventricle rises with normal
Sequence of fighting is runed counter to, therefore, compared to these for right ventricle without conducting wire pacemaker, the especially right apex of the heart without conducting wire pacemaker,
No conducting wire pacemaker provided by the invention is because that can be implanted at the right auricle of heart of close sinoatrial node of heart, therefore the pace-making provided
Pulse is conducted by sinoatrial node, sequentially closer to normal pace-making, therefore also more physiology, to reduce the damage to heart
Evil；In addition, this umbrella-shaped structure of no conducting wire pacemaker provided by the invention can be more with heart tissue contact surface, fixed
Stability is more preferable, therefore can be used at the right auricle of heart of sinoatrial node, it is possible thereby to the pace-making sequence for more meeting physiological is provided,
To reduce the damage to heart.
Fig. 1 to 6 is please referred to, one embodiment of the invention also provides a kind of no conducting wire pacing system, comprising: nothing of the invention is led
Line pacemaker 1, conveyer and guide.Conveyer and guide are used cooperatively, and in the course of surgery pace the no conducting wire
Device 1 is delivered to the specified locations such as the right auricle of heart of close sinoatrial node of heart and fixes.And in no 1 implantation process of conducting wire pacemaker
In, guide can guide conveyer to enter patient's body and reach suitable position, and the conveyer can be by the no conducting wire
Pacemaker 1 is sent to patient's body and the position of no conducting wire pacemaker 1 is adjusted, and allows the operator to easily find nothing
The best pacing sites of conducting wire pacemaker 1, to improve the pace-making effect without conducting wire pacemaker 1.
The specific structure without conducting wire pacemaker 1 without conducting wire pacing system of the present embodiment can be with reference to above.
With reference to Fig. 3 to Fig. 5, in the present embodiment, the conveyer includes push rod 20, traction fiber 21, loads sheath 22 and defeated
Send sheath 23.The tail end 112 of no conducting wire pacemaker 11 is equipped with internal screw thread 1121, and the head end 200 of the push rod 20 is equipped with
External screw thread is matched with the internal screw thread 1121 of no 11 tail end 112 of conducting wire pacemaker so that the head end of the push rod 20 with
The tail end 112 of no conducting wire pacemaker 11 is connected.Preferably, around spring structure, being somebody's turn to do can around spring structure for the bar portion use of push rod 200
To enhance the bending property of push rod 20, push rod 200 is facilitated to pass through complicated endocardial tissue structure.In other realities of the invention
It applies in example, the tail end 112 of the head end of the push rod 20 and no conducting wire pacemaker 11 can also be by the way of arresting connection
Connection.The sheath 22 that loads is used to load the no conducting wire pacemaker 1 in recycling state, as shown in figure 5, being mounted with push
The head end 220 of the loading sheath 22 of bar 20 and the wireless pacemaker 1 in recycling state is loaded in 23 tail of conveying sheath
On the tube socket 232 at end, the conveying sheath 23, loading sheath 22 and the push rod 20 are on same axis, the push rod
20 can push the no conducting wire pacemaker 1 to move axially to the sheath for conveying sheath 23 along the sheath for loading sheath 20
In 231, and further such that the no conducting wire pacemaker 1 detaches from the head end of the conveying sheath 23 and discharges and be deployed into institute
State designated position.Obviously, it is total together with loading sheath 22 and loading to should be greater than the conveying sheath 23 for the length of the push rod 20
Length.
The tail end 122 of at least part of support device umbrella frame 12 is equipped with threading mechanism 1221, traction fiber
21 pass through the threading mechanism 1221, and answer long enough, should be longer than the length of conveying sheath 23, can be from the head end of the conveying sheath 23
2310 extend to the tail end for loading sheath 22 and stretch out from the tail end for loading sheath 22, so that operator is planting
During entering no conducting wire pacemaker 1, no conducting wire pacemaker 1 is recycled to by the traction action of traction fiber 21 and loads sheath 22
Sheath in, when no conducting wire pacemaker 1 by convey sheath 23 sheath be delivered to designated position when, traction fiber 21 can make umbrella
Bone 12 can discharge expansion completely, and can have partial denudation outside the sheath for loading sheath 22, as a result, in no 1 success of conducting wire pacemaker
It paces and fixation can rearward, operator can cut traction fiber 21 in the tail end for loading sheath 22 to take out all traction fibers 21.In addition,
The structure design of umbrella frame 12 with threading mechanism 1221 is also helped the nothing in patient's body after a period of use
The taking-up of conducting wire pacemaker 1 operates.In the present embodiment, the tail end 122 of the umbrella frame 12 of every of the support device to
In a ring on the one hand structure makes the tail of the umbrella frame 12 to form the threading mechanism 1221 for outer curling or inward curl
It holds 122 round and smooth, the friction in each sheath in-pipe of no conducting wire pacemaker 1 can be reduced, farthest to avoid the umbrella is damaged
Bone 12 and sheath inside pipe wall, at the same make umbrella frame completely discharge expansion after will not impair cardiac tissue, on the other hand, additionally it is possible to
Make no 1 uniform force of conducting wire pacemaker when drawing is without conducting wire pacemaker 1, so that axis and sheath without conducting wire pacemaker 1
The coincidence of the axis of pipe facilitates the conveying of no conducting wire pacemaker 1 and fetches.In other embodiments of the invention, can also lead to
It crosses on the tail end 122 of the corresponding umbrella frame 12 and punches to form the threading mechanism 1221.It should be noted that this
In the other embodiments of invention, other any conjunctions can also be passed through in the threading mechanism 1221 of pore structure or cyclic structure
Suitable production method is formed on the tail end of the umbrella frame, certain threading mechanism 1221 be also not limited only to pore structure or
Cyclic structure can also be hook formation, such as be crimped outward by the tail end of the umbrella frame or inward curl is formed.
Preferably, the head end 2310 of the sheath 231 of the conveying sheath 23 is curved structure, the bending angle of the curved structure
Degree is fixed angle (for example, 45 °) or angle adjustable (such as 0~180 ° adjustable), is consequently adapted to the space knot of endocardial
Structure is beneficial to reduce the difficulty that the head end 2310 for conveying sheath 23 is entered to heart.
Preferably, the head end 2310 of the sheath 231 of the conveying sheath 23 is equipped with developing ring (not shown), and the developing ring exists
The position of sheath 231 can be identified in surgical procedure under an image documentation equipment.It is also connected on the tube socket 232 of conveying 23 tail end of sheath
There is perfusion tube 233, be additionally provided with valve 234 on one end of tube socket 232 of the perfusion tube 233 far from conveying 23 tail end of sheath,
Perfusion tube 233 can be used for conveying required liquid to patient's body, and valve 234 is used for the liquid in control perfusion tube 233
Flow and for do not use perfusion tube 233 when close perfusion tube 233.
In the present embodiment, the guide includes expansion sheath 31 and seal wire (not shown), is paced needing to be implanted into without conducting wire
When device 1, puncture technique can be first passed through, the head end of the seal wire is fixed on the designated position (such as right auricle of heart), so
Afterwards, the expansion sheath 31 is placed in the conveying sheath 23, by the sheath pipe sleeve of the expansion sheath 31 on the seal wire, so that
The expansion sheath 31 is moved along the seal wire, to guide the conveying sheath 23 to reach the designated position.It is described in the present embodiment
The head end 311 for expanding sheath 31 is tapering transition structure, and the sheath of the expansion sheath 31 is assemblied in the sheath 231 of the conveying sheath 23
In after, it is described expansion sheath 31 head end 311 can from it is described conveying sheath 23 sheath 231 head end 2310 in stretch out, the expansion
The tube socket for opening the sheath tail end of sheath 31 is against on the tube socket 232 of conveying 23 tail end of sheath and can further be connected through a screw thread
Or arrest the mode of connection and be fixed together, convey sheath 23 sheath 231 can along the sheath axial movement of the diffusion sheath 31,
So that the expansion sheath 31 can expand the size of blood vessel during the intravascular advance of patient, and make to convey sheath 23
Sheath 231 can smoothly enter into the blood vessel.The present embodiment further includes the external equipment without conducting wire pacing system, is used
Yu Yuwu conducting wire pacemaker 1 communicates to connect, and is arranged and obtains the parameter in the no conducting wire pacemaker 1.
It should be noted that each end of each component of the specific embodiment of the invention is not limited to the shape shown in Fig. 1 to 5
Shape can also be any other suitable shape.For example, the head end and tail end of the no conducting wire pacemaker 11, conveying sheath 23
Head end, expand sheath 31 head end can also be circular, hemispheric, conical or polyhedron shape etc..
The present embodiment also provides a kind of application method of above-mentioned no conducting wire pacing system, comprising the following steps:
The expansion sheath 31 is placed in the conveying sheath 23 by S1, and the conveying sheath 23 is sent into blood vessel along a seal wire
It is interior；
S2 withdraws from the expansion sheath 31 and the seal wire, and retains the conveying sheath 23 in situ；
S3 passes through the push rod 20 and cooperates traction fiber 21 that the no conducting wire pacemaker 1 is received into the loading sheath
In 22, and the loading sheath 22 is connected on the tube socket 232 of conveying 23 tail end of sheath；
S4 pushes the no conducting wire pacemaker 1 to enter the conveying sheath by the loading sheath 22 by the push rod 20
23, until the designated position, and the no release of conducting wire pacemaker 1 is made to be unfolded and be fixed on the designated position；
S5 takes out the other component in addition to the no conducting wire pacemaker 1.
Fig. 1 to Fig. 6 is please referred to, in step sl, before formal implantation is without conducting wire pacemaker 1, firstly, passing through puncture technique
By the head end of a seal wire (not shown) along from the finger in the heart 40 that femoral vein (not shown) penetrates into patient through inferior caval vein 41
(such as on cardiac muscle of the right auricle of heart 441 of atrium dextrum 44) is set in positioning；Then, expansion sheath 31 is inserted in the sheath 231 of conveying sheath 23
The interior head end 311 up to expanding sheath 31 is pierced by the head end 2310 of conveying sheath 23, and expands the tube socket of 31 tail end of sheath and convey sheath 23
The tube socket 232 of rearward end is against together, makes to expand sheath 31 and convey sheath 23 by mechanism on two sheath tube sockets to be fixed on one
It rises；Then, by described 31 sets of expansion sheath on the seal wire, and the expansion sheath 31 is moved along the seal wire, it will
Expansion sheath 31, conveying sheath 23 are delivered to position as shown in Figure 5 through inferior caval vein 41 from femoral vein.
Please continue to refer to Fig. 1 to Fig. 6, in step s 2, the connection between conveying sheath 23 and the tube socket for expanding sheath 31 is unclamped,
And then it removes expansion sheath 31 and seal wire and retains conveying sheath 23 in situ.
Please continue to refer to Fig. 1 to Fig. 6, in step s3, led firstly, the head end 200 of push rod 20 is connected to the nothing
The tail end 112 of line pacemaker 11, and by traction fiber 21 through the threading mechanism 1221 on 12 tail end 122 of umbrella frame of support device
On；Then, by the impetus of push rod 20 and cooperate the traction action of the traction fiber 21, will be received without conducting wire pacemaker 1
It is included in the sheath for loading sheath 22 in recycling state；It then, will be equipped with no conducting wire pacemaker 1 and push rod 20, traction fiber 21
The head end 220 of loading sheath 22 be loaded on the tube socket 232 of conveying 23 tail end of sheath, loading sheath 22 at this time is preferably its whole knot
Structure is placed in that patient is external, to reduce the component into human body as far as possible, subsequent withdraws from unnecessary component to simplify
Operation.
Please continue to refer to Fig. 1 to Fig. 6, in step s 4, operator by push rod 20 push without conducting wire pacemaker 1 along
The sheath for loading sheath 22 enters in the sheath 231 of conveying sheath 23, until the no conducting wire pacemaker 1 is from the conveying sheath 23
Head end 2310 goes out to detach and discharge expansion, make sensing electrode on no conducting wire pacemaker 1 and pacing electrode with right auricle of heart (i.e.
Designated position) inner wall contact, the doctor for the outside connecting with the no conducting wire pacemaker 1 without wire communication can be passed through at this time
The external equipments such as program controller come be arranged and test no conducting wire pacemaker 1 pace-making, perception electrical parameter, if it is due to pace-making feel
Know that the bad caused pace-making in a position, perception electrical parameter are undesirable, traction fiber 21 can be pulled and withdraw push rod 20 to incite somebody to action
No conducting wire pacemaker 1 is recovered in conveying sheath 23, then the operations such as rotation by conveying sheath 23 convey 23 head end of sheath to adjust
It 2310 position will be without conducting wire pacemaker 1 again by push rod 20 after having adjusted to adjust the position without conducting wire pacemaker 1
Thus release expansion adjusts the position of sensing electrode, pacing electrode in the hearts such as atrium dextrum, and sets again by the outside
Standby test pace-making, perception electrical parameter, until obtaining ideal electrical parameter, i.e., by pushing the push rod 20 back and forth
The no conducting wire pacemaker 1 is discharged with recycling, so that the no conducting wire pacemaker 1 is in best pacing sites and fix tightly
It leans on.
Please continue to refer to Fig. 1 to Fig. 6, in step s 5, the traction fiber 21 is first sheared through and taken out, is then turned off described
The push rod 20 and the conveying sheath 23 are removed people later by the connection of push rod 20 and the no conducting wire pacemaker 1 together
In vitro, the implantation work without conducting wire pacemaker 1 in designated positions such as right auricle of heart is completed.
Similarly, above embodiment, which will can also be used, in operator to be implanted to the right side by superior vena cava 42 without conducting wire pacemaker 1
No conducting wire pacemaker 1 can also be implanted to by auricle position using above embodiment by the venous system of 40 periphery of heart
The positions such as left atrium, therefore the present invention is also intended to encompass including the technical solution.
In addition, the present embodiment without conducting wire pacemaker system can also be by wired or without conducting wire without conducting wire pacemaker 1
Mode is combined with the others in heart without conducting wire pacemaker, is realized and is really paced without conducting wire two-chamber, three chambers, makes no conducting wire
Device this advanced technology of fighting can allow more patients to be benefited.
It should be appreciated that the umbrella frame 12 due to the present embodiment is equipped with threading mechanism 1221, described in patient's use
When needing to be drawn off after no 1 a period of time of conducting wire pacemaker, so that being become by Minimally Invasive Surgery taking-up without conducting wire pacemaker 1 can
Can, it specifically, can be by putting on traction fiber 21 again in threading mechanism 1221, will be located by the traction action of traction fiber 21
It is recycled to recycling state without conducting wire pacemaker 1 in complete release expansion, and then can be again by push rod 20 and conveying
The components such as sheath 23 are easily removed no conducting wire pacemaker 1.
Above-described embodiment without in conducting wire pacemaker system, support device is but of the invention by the more formation of umbrella frames 12
Technical solution is not merely defined in this, if support device can relatively wireless pacemaker 11 implement to recycle as umbrella cover
Be unfolded with release and can have more contact surfaces with heart tissue, thus obtained each other embodiments without conducting wire
The conveyer of pacemaker system, the structure of guide can not make any structure and change, and rising in these embodiments without conducting wire
The application method for device system of fighting is also described above described in fact Example.Specifically, in some other embodiments of the invention without conducting wire
In pacemaker system, the structure of the support device can also be release expansion after can in a umbrella cover umbrella cover net, alternatively, by
The umbrella cover structure that umbrella cover net and umbrella frame are composed as needed, umbrella cover net and umbrella frame combination are, for example, the umbrella of whole piece
Veil is connected to the head end of wireless pacemaker, the tail end that at least more umbrella frames are connected to umbrella cover net；It is again, for example, more umbrella frames
It is connected to the head end of wireless pacemaker, whole piece umbrella cover net is connected to the tail end of all umbrella frames；It is also, for example, more umbrella frames
It is connected to the head end of wireless pacemaker, the length of umbrella frame is different, and the umbrella cover net of multiple small pieces is connected to the tail of shorter umbrella frame
End, so that its tail end is aligned with the tail end of longer umbrella frame；In another example being, more umbrella frames have structure as shown in Figure 1, part
Or umbrella cover net is equipped between two whole adjacent umbrella frames.Wherein the mechanical performance of the support device with umbrella cover net is opposite only
The support device that umbrella frame is constituted is more preferable, fixed wireless pacemaker 11 that can be stronger.
In conclusion no conducting wire pacemaker system of the invention includes in umbrella-shaped structure without conducting wire pacemaker and conveying
The no conducting wire pacemaker to designated position conveyer etc., during no conducting wire Pacemaker implantation, so that the operator
Position adjusting can be carried out to no conducting wire pacemaker by conveyer, allow the operator to easily find best pacing sites,
To improve the pace-making effect without conducting wire pacemaker, traditional electrode conducting wire bring side effect is eliminated；And it is because normal
Cardiac pacing is since the sinoatrial node in atrium, and the excitement automatically generated is along its conductive beam (atrioventricular node-left and right bundle branch-Pu Ken
Wild fiber) excitement and contraction for causing entire heart to each position of heart are conducted, and the nothing for being located at the apex of the heart position of ventricle is led
The pace-making sequence of line pacemaker runs counter to normal pace-making sequence, therefore, compared to these for right ventricle without conducting wire pacemaker,
The especially right apex of the heart without conducting wire pacemaker, no conducting wire pacing system provided by the invention without conducting wire pacemaker is in umbrella due to it
Structure, therefore can be implanted at the right auricle of heart of close sinoatrial node of heart, the pacemaker impulse of granting is paced closer to normal
Sequentially, therefore also more physiology, so as to reduce the damage to heart, and the characteristics of due to this body structure of right auricle of heart and nothing
The umbrella-shaped structure feature of conducting wire pacemaker, so that no conducting wire pacemaker of the invention is fixed reliable, it is more stable.
Obviously, those skilled in the art can carry out various modification and variations without departing from spirit of the invention to invention
And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it
Interior, then the present invention is also intended to include these modifications and variations.
Claims (13)
1. a kind of no conducting wire pacemaker, which is characterized in that the no conducting wire pacemaker is in umbrella-shaped structure, including paces and fill without conducting wire
It sets and support device, the no conducting wire pacemaker is the umbrella handle of the umbrella-shaped structure, the support device is the umbrella knot
The umbrella cover of structure, the head end of the support device are connected on the head end of the no conducting wire pacemaker, the support device towards
The tail end of the no conducting wire pacemaker extends, and the tail end of the support device can be gathered towards the no conducting wire pacemaker
Recycling and the separate no conducting wire pacemaker release expansion, the support device can be by the no conducting wire after release expansion
Pacemaker is set on a designated position.
2. no conducting wire pacemaker according to claim 1, which is characterized in that the outside of the support device is equipped with perception
Electrode and/or pacing electrode, alternatively, the head end of the no conducting wire pacemaker is equipped with pacing electrode and/or sensing electrode；It is described
Sensing electrode is used for after support device release expansion, senses the bioelectrical signals of the corresponding position, the pace-making
Electrode is used to transmit pacing signal to the corresponding position after support device release expansion.
3. no conducting wire pacemaker according to claim 1, which is characterized in that the support device is described including being used to form
The umbrella cover net of umbrella cover and/or more umbrella frames.
4. no conducting wire pacemaker according to claim 3, which is characterized in that when the support device includes the more umbrellas
When bone, the head end of all umbrella frames is connected on the head end of the no conducting wire pacemaker, and the tail end of all umbrella frames exists
It is evenly distributed on after release expansion on the circumference of a circle, alternatively, all umbrella frames of the support device are after release expansion
Axisymmetricly about the no conducting wire pacemaker.
5. no conducting wire pacemaker according to claim 4, which is characterized in that all umbrella frames of the support device exist
After release expansion, the diameter of a circle or any two umbrella frames about the no conducting wire pacemaker axisymmetricly
The spacing of tail end is greater than the size of the designated position.
6. wireless pacemaker according to any one of claims 1-5, which is characterized in that the tail of the support device
End is equipped with for the threading mechanism across traction fiber.
7. no conducting wire pacemaker according to claim 6, which is characterized in that the tail end of the support device crimp outward or
Structure is in a ring to form the threading mechanism for inward curl, alternatively, described to be formed in the tail end punching of the support device
Threading mechanism, alternatively, the tail end of the support device crimps outward or inward curl is in hook formation to form the threader
Structure.
8. no conducting wire pacemaker according to claim 1, which is characterized in that the outside of the support device is equipped with hangnail
Mechanism, the barb mechanism are pierced into the tissue of corresponding position when the support device discharges and is unfolded, to limit the support dress
The position set.
9. no conducting wire pacemaker according to claim 1, which is characterized in that the support device uses elastic material system
Make.
10. a kind of no conducting wire pacing system characterized by comprising
As claimed in any one of claims 1-9 wherein without conducting wire pacemaker；
Conveyer connects the tail end without conducting wire pacemaker of the no conducting wire pacemaker, is used for the no conducting wire pacemaker
It is transported to a designated position；And
Guide, for the conveyer to be transported to the designated position.
11. as claimed in claim 10 without conducting wire pacing system, which is characterized in that the conveyer includes conveying sheath, push
Bar and loading sheath；Wherein, the head end for loading sheath is loaded on the tube socket of the conveying sheath tail end, for loading in recycling
The no conducting wire pacemaker of state；It is intrathecal that the push rod is loaded in the loading, and the head end of the push rod connects institute
State the tail end of no conducting wire pacemaker.
12. no conducting wire pacing system according to claim 11, which is characterized in that the body of rod of the push rod is around spring knot
Structure.
13. no conducting wire pacing system according to claim 11 or 12, which is characterized in that on the tail end of the support device
Equipped with threading mechanism；The conveyer further includes traction fiber, and the traction fiber passes through the threading mechanism, and from the conveying sheath
Head end extend to it is described load sheath tail end and from it is described load sheath tail end stretch out, for pulling the no conducting wire pacemaker
With recycle the no conducting wire pacemaker to it is described load it is intrathecal, and, the no conducting wire pacemaker from it is described conveying sheath head
End discharges the no conducting wire pacemaker after being detached from so that it is unfolded.
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| CN201811593169.7A CN109568793B (en) | 2018-12-25 | 2018-12-25 | Leadless pacemaker and leadless pacing system |
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|---|---|---|---|
| CN201811593169.7A CN109568793B (en) | 2018-12-25 | 2018-12-25 | Leadless pacemaker and leadless pacing system |
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| CN110393854A (en) * | 2019-07-20 | 2019-11-01 | 霍勇 | A kind of pacing electrode wire component being fixed in left ventricle automatically |
| CN110665122A (en) * | 2019-09-26 | 2020-01-10 | 创领心律管理医疗器械（上海）有限公司 | Leadless pacemaker, head end component, tail end component and delivery device thereof |
| CN111939476A (en) * | 2020-08-25 | 2020-11-17 | 哈尔滨医科大学 | Using method of leadless double-cavity pacemaker system implanted in coronary sinus |
| CN112274777A (en) * | 2020-11-03 | 2021-01-29 | 复旦大学附属中山医院 | Leadless pacing system for realizing left bundle branch pacing at ventricular septum left ventricle side |
| CN114246565A (en) * | 2022-01-14 | 2022-03-29 | 首都医科大学附属北京天坛医院 | A human detection first aid device for postural hypotension |
| EP4046682A1 (en) * | 2021-02-23 | 2022-08-24 | BIOTRONIK SE & Co. KG | Implantable medical device comprising an anchoring device for anchoring on intracardiac tissue |
| CN117339108A (en) * | 2023-12-04 | 2024-01-05 | 山东瑞安泰医疗技术有限公司 | Leadless cardiac pacemaker system capable of reducing pacing threshold and accurately positioning |
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| CN117339108B (en) * | 2023-12-04 | 2024-02-13 | 山东瑞安泰医疗技术有限公司 | Leadless cardiac pacemaker system capable of reducing pacing threshold |
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