CN215426972U

CN215426972U - Leadless cardiac pacing equipment for cardiology department

Info

Publication number: CN215426972U
Application number: CN202121073680.1U
Authority: CN
Inventors: 朱静
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-01-07
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a leadless cardiac pacing device for cardiology department, which comprises a leadless pacemaker and a guide device, wherein an annular groove is formed in the outer surface of the leadless pacemaker, an annular block is arranged inside the annular groove, a groove is formed in the outer side of the annular block, a fixing mechanism is arranged at the center of the lower end of the leadless pacemaker, and a barb piece connected with the annular block is arranged on the outer side of the fixing mechanism. This leadless cardiac pacing equipment for intracardiac branch of academic or vocational study is through setting up the ring channel, the annular piece, the supporting shoe, the wire casing, the recess, the rope body, spout and barb piece, the main shape of this equipment is cylindrical, in the operation use, barb piece adopts the material to be memory metal, during the operation, barb piece contracts in the inside of equipment, during the installation, barb piece expandes, it is fixed to realize, operation process risk and the degree of difficulty have been reduced, the operation security has been improved, the shared space of equipment in the art is less simultaneously, the efficiency of the operation has been improved.

Description

Leadless cardiac pacing equipment for cardiology department

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a leadless cardiac pacing device for cardiology.

Background

The cardiac pacing system can treat cardiac pacing and conduction dysfunction heart diseases, can effectively reduce the death risk of patients with severe bradycardia, and improves the life quality of the patients. A conventional cardiac pacing system includes a pacemaker and an electrode lead, and generates an electrical pulse through the pacemaker, and the electrical pulse is conducted by the electrode lead to an electrode in contact with the myocardium, so as to stimulate the myocardium, thereby activating and contracting the heart. However, it has the following disadvantages: (1) due to the existence of the electrode lead, the side effects of electrode dislocation, lead fracture, heart perforation, venous thrombosis of a lead path and the like are easily caused, so that the normal work of the pacemaker is influenced, and the life health and the life quality of a patient are seriously harmed; (2) electrode extraction procedures are difficult and need to be performed at larger electrophysiology centers and by skilled physicians. With the continuous development of the technology, the pacemaker and the electrode of the current cardiac pacing system are integrated together to form a leadless pacemaker, so that some defects of the traditional cardiac pacing system can be overcome.

The prior art has the following defects or problems:

there are roughly two types of fixation mechanisms in the use of existing leadless cardiac pacemakers: 1. the head end is provided with a spiral structure and can be screwed into the cardiac muscle; 2. the head end is provided with an anchor-shaped structure which can penetrate into cardiac muscle and further takes the shape of a hook to achieve the fixing effect. In the operation embedding use, barb piece shape can not change along with the operation demand, easily leads to patient's cardiac muscle impaired at the picking up in-process, has improved the risk of operation, and when taking out the pacemaker simultaneously, the lock sleeve that often adopts carries out the fixed action to it, and this kind of mode is consuming time longer, has increased the operation duration, and the patient easily feels uncomfortable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a leadless cardiac pacing device for cardiology department, which solves the problems that the size of a general cardiac pacemaker proposed in the background art is fixed, different operation environments cannot be met in the operation process, the cardiac muscle inside the heart of a patient is easily damaged in the operation process of medical personnel, and meanwhile, the time consumption is long and the difficulty is high in the process of taking out the cardiac pacemaker, and the discomfort of the patient is increased.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a leadless cardiac pacing equipment for intracardiac branch of academic or vocational study, includes leadless pacemaker and guide, the ring channel has been seted up to leadless pacemaker's surface, the inside of ring channel is provided with the annular piece, the outside of annular piece is seted up flutedly, leadless pacemaker's lower extreme center department is provided with fixed establishment, fixed establishment's the outside is provided with the barb piece that is connected with the annular piece, the storage compartment has been seted up to guide's one end, one side of storage compartment is provided with the wire casing, the one end of storage compartment is provided with the guide way, the inside of guide way is provided with accomodates the sheath, the inside of accomodating the compartment is provided with the rope body that extends to the wire casing, the one end of the rope body is connected with the ring, the spout has been seted up to the inner wall of accomodating the compartment.

As a preferred technical scheme of the utility model, the barb members are divided into four groups and are distributed at the lower end of the leadless pacemaker in a central symmetry manner, and the barb members are mainly composed of memory metal.

As a preferable technical scheme of the utility model, the diameter size of the leadless pacemaker is matched with the inner size of the containing cabin, and the leadless pacemaker is movably connected with the introducer through the containing cabin.

As a preferred technical scheme of the utility model, the diameter size of the annular groove is matched with the inner diameter size of the annular block, and the annular block is in sliding connection with the leadless pacemaker through the annular groove.

As a preferable technical scheme of the utility model, the wire grooves are divided into two groups and symmetrically distributed on two sides of the storage cabin.

As a preferable technical scheme of the utility model, the rope bodies are divided into two groups which are symmetrically distributed in the containing cabin, and the two groups of rope bodies are movably connected through a circular ring.

In a preferred embodiment of the present invention, the inner diameter of the guide groove is matched with the diameter of the receiving sheath, and the receiving sheath is slidably connected to the introducer through the guide groove.

Compared with the prior art, the utility model provides a leadless cardiac pacing device for cardiology department, which has the following beneficial effects:

1. according to the leadless cardiac pacing equipment for the cardiology department, the leadless pacemaker, the annular groove, the annular block and the supporting block are arranged, the improved barb part of the leadless pacemaker is mainly composed of the memory metal wire, in the fixing process of the pacemaker, the annular block slides in the annular groove, the size of the barb part can be reduced, meanwhile, the diameter of the guide can be directly changed, in the operation process, the operation can be performed according to different operation environments, the risk in the operation process is reduced, the myocardial damage of a patient is avoided, and the operation safety is improved;

2. this a leadless cardiac pacing equipment for intracardiac branch of academic or vocational study, through setting up the wire casing, a groove, the rope body, spout and ring, in the operation process of taking out to leadless pacemaker, originally adopt the lock sleeve to fix then take out the effect to leadless pacemaker, structure after the improvement, through the pulling rope body, two sets of rope can be at the inside motion of ring, realize the fixed action to leadless pacemaker, then can realize the effect of accomodating to barb spare through the pulling rope body, be convenient for take out the effect to it, and the required time at fixed process is shorter, it is long when having reduced patient's operation, the efficiency of operation is provided.

Drawings

FIG. 1 is a schematic diagram of a leadless cardiac pacemaker of the present invention;

fig. 2 is a schematic diagram of an introducer structure of a leadless cardiac pacing apparatus of the present invention;

fig. 3 is a schematic view of the partial structure of an introducer of a leadless cardiac pacing apparatus of the present invention;

FIG. 4 is a schematic diagram of an assembled leadless cardiac pacing device of the present invention;

fig. 5 is a schematic view of a storage structure of the leadless cardiac pacemaker of the present invention.

In the figure: 1. a leadless pacemaker; 2. an annular groove; 3. a ring block; 4. a groove; 5. a fixing mechanism; 6. a barb element; 7. a guide; 8. a storage compartment; 9. a wire slot; 10. a guide groove; 11. a storage sheath; 12. a rope body; 13. a circular ring; 14. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, in this embodiment: the utility model provides a leadless cardiac pacing equipment for intracardiac branch of academic or vocational study, including leadless pacemaker 1 and guide 7, annular groove 2 has been seted up to leadless pacemaker 1's surface, the inside of annular groove 2 is provided with annular piece 3, annular piece 3's the outside is seted up flutedly 4, leadless pacemaker 1's lower extreme center department is provided with fixed establishment 5, fixed establishment 5's the outside is provided with barb piece 6 that is connected with annular piece 3, storage compartment 8 has been seted up to guide 7's one end, one side of storage compartment 8 is provided with wire casing 9, storage compartment 8's one end is provided with guide slot 10, guide slot 10's inside is provided with accomodates sheath 11, storage compartment 8's inside is provided with the rope body 12 that extends to wire casing 9, the one end of rope body 12 is connected with ring 13, spout 14 has been seted up to storage compartment 8's inner wall.

In the embodiment, the barb elements 6 are divided into four groups and are distributed at the lower end of the leadless pacemaker 1 in a central symmetry manner, the barb elements 6 are mainly made of memory metal, and the barb elements 6 have the main functions of changing the shape and size of the barb elements 6, reducing the space occupied by surgical instruments and avoiding the myocardial damage of patients; the diameter size of the leadless pacemaker 1 is matched with the internal size of the containing cabin 8, and the leadless pacemaker 1 is movably connected with the guider 7 through the containing cabin 8, so that the internal structure is reasonable; the diameter size of the annular groove 2 is matched with the inner diameter size of the annular block 3, and the annular block 3 is in sliding connection with the leadless pacemaker 1 through the annular groove 2, so that the shape and size of the barb piece 6 can be changed through sliding the annular block 3, and the operation and use of medical personnel are facilitated; the wire grooves 9 are divided into two groups and symmetrically distributed on two sides of the containing cabin 8, and mainly have the function of improving the fixing and clamping effect on the annular block 3; the rope bodies 12 are divided into two groups and symmetrically distributed in the containing cabin 8, and the two groups of rope bodies 12 are movably connected through a circular ring 13, so that daily operation of medical staff is facilitated; the inner diameter of the guide groove 10 is matched with the diameter of the containing sheath 11, and the containing sheath 11 is connected with the guider 7 in a sliding mode through the guide groove 10, so that the structure is reasonable and easy to achieve.

The working principle and the using process of the utility model are as follows: when the leadless pacemaker 1 is installed, medical personnel slide the annular block 3 upwards, the annular block 3 can drive the barb part 6 to change the shape (as shown in fig. 5), then the leadless pacemaker 1 is inserted into the containing cabin 8, meanwhile, the rope bodies 12 are pulled, the two groups of rope bodies 12 can form a buckle to be clamped in the groove 4 of the annular block 3, one end of the leadless pacemaker 1 is placed at a designated position through the action of the guider 7, at the moment, the medical personnel loosen hands, the leadless pacemaker 1 can be placed at the designated position by pushing the containing sheath 11, the barb part 6 can restore the initial form under the action of memory metal, and forms a fixed connection effect with comb muscles, and the fixed use is completed; in the process of taking out leadless pacemaker 1, through the effect of guide 7, will accomodate the one end that cabin 8 aimed at leadless pacemaker 1, then make its cover in one end, through pulling the rope body 12, two sets of rope bodies 12 form buckle and the recess 4 fixed connection of annular piece 3, then pulls the rope body 12, and the rope body 12 can drive annular piece 3 and remove, and the shape of barb piece 6 changes, and it can to take out it to pull guide 7 again.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A leadless cardiac pacing device for cardiology, characterized in that: the lead-free pacemaker comprises a lead-free pacemaker (1) and a guide device (7), wherein an annular groove (2) is formed in the outer surface of the lead-free pacemaker (1), an annular block (3) is arranged inside the annular groove (2), a groove (4) is formed in the outer side of the annular block (3), a fixing mechanism (5) is arranged at the center of the lower end of the lead-free pacemaker (1), a barb piece (6) connected with the annular block (3) is arranged on the outer side of the fixing mechanism (5), a containing cabin (8) is formed in one end of the guide device (7), a wire groove (9) is formed in one side of the containing cabin (8), a guide groove (10) is formed in one end of the containing cabin (8), a containing sheath (11) is arranged inside the guide groove (10), and a rope body (12) extending to the wire groove (9) is arranged inside the containing cabin (8), one end of the rope body (12) is connected with a circular ring (13), and a sliding groove (14) is formed in the inner wall of the containing cabin (8).

2. The leadless cardiac pacing device for cardiology of claim 1, wherein: the barb elements (6) are divided into four groups and are distributed at the lower end of the leadless pacemaker (1) in a central symmetry manner, and the barb elements (6) mainly comprise memory metal.

3. The leadless cardiac pacing device for cardiology of claim 1, wherein: the diameter size of the leadless pacemaker (1) is matched with the inner size of the containing cabin (8), and the leadless pacemaker (1) is movably connected with the guider (7) through the containing cabin (8).

4. The leadless cardiac pacing device for cardiology of claim 1, wherein: the diameter size of the annular groove (2) is matched with the inner diameter size of the annular block (3), and the annular block (3) is in sliding connection with the leadless pacemaker (1) through the annular groove (2).

5. The leadless cardiac pacing device for cardiology of claim 1, wherein: the wire grooves (9) are divided into two groups and symmetrically distributed on two sides of the storage cabin (8).

6. The leadless cardiac pacing device for cardiology of claim 1, wherein: the rope bodies (12) are divided into two groups and symmetrically distributed in the containing cabin (8), and the two groups of rope bodies (12) are movably connected through a circular ring (13).

7. The leadless cardiac pacing device for cardiology of claim 1, wherein: the inner diameter of the guide groove (10) is matched with the diameter of the accommodating sheath (11), and the accommodating sheath (11) is connected with the guider (7) in a sliding mode through the guide groove (10).