Novel lead-free pacemaker

Abstract

The utility model discloses a novel lead-free pacemaker, and relates to the technical field of medical instruments. The novel lead-free pacemaker comprises a lead-free pacemaker body, a connecting piece is fixedly connected to the end of the lead-free pacemaker body, a fixing piece is fixedly connected to the end, away from the connecting piece, of the lead-free pacemaker body, a protection device is arranged on the outer surface of the lead-free pacemaker body, and the protection device comprises a connecting shell and a shielding shell. An internal cavity is arranged at the interval between the connecting shell and the shielding shell, an elastic ring is fixedly connected to the inner surface of the internal cavity, a magnetic shielding agent coating is arranged on the inner surface of the shielding shell, and through the shielding shell and the magnetic shielding agent coating, working elements in the lead-free pacemaker body can be isolated from an external magnetic field, so that an anti-interference effect is achieved; and through the connecting shell and the elastic ring, the influence of pressure on the lead-free pacemaker body can be reduced, and the service life of the lead-free pacemaker is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a novel leadless pacemaker. Background Art

[0002] The leadless pacemaker is a miniaturized pacemaker, which is 93% smaller than the traditional pacemaker and weighs only 2g. It looks like the capsule medicine we usually take, so it is also called a capsule pacemaker. At present, the leadless pacemaker is implanted through the femoral vein through a catheter and placed in the right ventricle. Compared with traditional pacing therapy, the leadless pacemaker is a milestone change and progress in the history of cardiac pacing. From the disruptive innovation of electronic components to the fundamental difference in implantation procedures, as well as the absence of bag and lead complications, easy postoperative management and postoperative feelings of patients, they are very different from traditional pacing therapy and have unique advantages. Existing leadless pacemakers are easily affected by magnetic fields. When there is a strong magnetic field in the environment around the patient, the normal operation of the pacemaker is easily affected. In addition, when the existing leadless pacemaker is implanted in the body, it is easily compressed by the body pressure and blood. After being placed in the body for a long time, the outer surface of the leadless pacemaker may produce certain deformation, which affects the service life of the leadless pacemaker. Utility Model Content

[0003] In view of the deficiencies of the prior art, the present invention provides a novel leadless pacemaker to solve the existing problems raised in the above background technology.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a novel leadless pacemaker, comprising a leadless pacemaker body, an end of the leadless pacemaker body is fixedly connected to a connector, an end of the leadless pacemaker body away from the connector is fixedly connected to a fixing member, the outer surface of the leadless pacemaker body is provided with a protective device, the protective device comprises a connecting shell and a shielding shell, an inner cavity is provided at the interval between the connecting shell and the shielding shell, an elastic ring is fixedly connected to the inner surface of the inner cavity, and a magnetic shielding agent coating is provided on the inner surface of the shielding shell.

[0005] Preferably, the fixing piece is made of elastic material.

[0006] Preferably, the inner surfaces of the connecting shell and the shielding shell are fixedly connected to the outer surface of the leadless pacemaker body, and the outer surface of the shielding shell is fixedly connected to the inner surface of the connecting shell.

[0007] Preferably, the elastic ring is made of rubber material, and the elastic ring is linearly arranged along the inner surface of the inner cavity.

[0008] Preferably, the outer surface of the elastic ring is connected to the connecting shell and the shielding shell through an adhesive.

[0009] Preferably, the shielding shell is made of ferromagnetic material.

[0010] Beneficial Effects

[0011] The utility model provides a novel leadless pacemaker, which has the following beneficial effects:

[0012] (1) The novel leadless pacemaker can isolate the working components inside the leadless pacemaker body from the external magnetic field through the shielding shell and the magnetic shielding agent coating, thereby playing an anti-interference role and making it difficult for the magnetic field in the patient's surrounding environment to affect the working components inside the leadless pacemaker body, thereby ensuring the normal operation of the leadless pacemaker body.

[0013] (2) The novel leadless pacemaker, by connecting the outer shell and the elastic ring, utilizes the blocking of the connected outer shell and the elastic force of the elastic ring to weaken the pressure, thereby weakening the pressure transmitted to the leadless pacemaker body, thereby reducing the impact of the pressure on the leadless pacemaker body and extending the service life of the leadless pacemaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic cross-sectional structure diagram of the utility model as a whole;

[0016] Figure 3 It is a structural schematic diagram of the protection device of the utility model.

[0017] In the figure: 1. leadless pacemaker body; 2. connector; 3. fixing member; 4. protective device; 41. connecting shell; 42. shielding shell; 43. elastic ring; 44. inner cavity; 45. magnetic shielding agent coating. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment 1:

[0020] like Figure 1-3As shown, the utility model provides a novel leadless pacemaker, including a leadless pacemaker body 1, an end of the leadless pacemaker body 1 is fixedly connected with a connector 2, an end of the leadless pacemaker body 1 away from the connector 2 is fixedly connected with a fixing member 3, an outer surface of the leadless pacemaker body 1 is provided with a protective device 4, the protective device 4 includes a connecting shell 41 and a shielding shell 42, an inner cavity 44 is provided at the interval between the connecting shell 41 and the shielding shell 42, an elastic ring 43 is fixedly connected to the inner surface of the inner cavity 44, and a magnetic shielding agent coating 45 is provided on the inner surface of the shielding shell 42.

[0021] Specifically, the fixing member 3 is made of elastic material.

[0022] Specifically, the inner surfaces of the connecting shell 41 and the shielding shell 42 are fixedly connected to the outer surface of the leadless pacemaker body 1 , and the outer surface of the shielding shell 42 is fixedly connected to the inner surface of the connecting shell 41 .

[0023] Specifically, the elastic ring 43 is made of rubber material, and the elastic ring 43 is linearly arranged along the inner surface of the inner cavity 44 .

[0024] Specifically, the outer surface of the elastic ring 43 is connected to the connecting shell 41 and the shielding shell 42 through an adhesive.

[0025] Specifically, the shielding shell 42 is made of ferromagnetic material.

[0026] The working principles and beneficial effects of the above embodiments.

[0027] When in use, since the shielding shell 42 is made of ferromagnetic material and the surface of the shielding shell 42 is provided with a magnetic shielding agent coating 45, the working components inside the leadless pacemaker body 1 are isolated from the external magnetic field, which plays an anti-interference role, so that the magnetic field in the patient's surrounding environment is not easy to affect the working components inside the leadless pacemaker body 1, thereby avoiding affecting the normal operation of the leadless pacemaker body 1. When the leadless pacemaker body 1 is implanted in the body and is compressed by the body pressure and blood, the force is mainly applied to the outer surface of the connecting shell 41. The elastic force of the elastic ring 43 made of rubber material is used to weaken the pressure, thereby weakening the pressure transmitted to the leadless pacemaker body 1, which can reduce the influence of the pressure on the leadless pacemaker body 1.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel leadless pacemaker, comprising a leadless pacemaker body (1), characterized in that: The end of the leadless pacemaker body (1) is fixedly connected to a connecting piece (2), and the end of the leadless pacemaker body (1) away from the connecting piece (2) is fixedly connected to a fixing piece (3). The outer surface of the leadless pacemaker body (1) is provided with a protective device (4), and the protective device (4) comprises a connecting shell (41) and a shielding shell (42). An inner cavity (44) is provided at the interval between the connecting shell (41) and the shielding shell (42), and an elastic ring (43) is fixedly connected to the inner surface of the inner cavity (44). The inner surface of the shielding shell (42) is provided with a magnetic shielding agent coating (45).

2. A novel leadless pacemaker according to claim 1, characterized in that: The fixing member (3) is made of elastic material.

3. A novel leadless pacemaker according to claim 1, characterized in that: The inner surfaces of the connecting shell (41) and the shielding shell (42) are fixedly connected to the outer surface of the leadless pacemaker body (1), and the outer surface of the shielding shell (42) is fixedly connected to the inner surface of the connecting shell (41).

4. A novel leadless pacemaker according to claim 1, characterized in that: The elastic ring (43) is made of rubber material and is linearly arranged along the inner surface of the inner cavity (44).

5. A novel leadless pacemaker according to claim 1, characterized in that: The outer surface of the elastic ring (43) is connected to the connecting shell (41) and the shielding shell (42) via an adhesive.

6. A novel leadless pacemaker according to claim 1, characterized in that: The shielding shell (42) is made of ferromagnetic material.

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