CN116943016B - Fixer for heart implantation equipment and mounting tool thereof - Google Patents

Abstract

The invention discloses a fixer for heart implantation equipment, which comprises an implantation part, a locking part and a locking part, wherein the implantation part comprises a limiting area and a connecting area, the implantation part penetrates heart tissue, the limiting area is abutted against the inner side of the heart tissue, the connecting area penetrates out of the heart tissue and is provided with a plurality of first buckles in the circumferential direction, the locking part comprises a sealing disc and a fixing ring which are integrally structured, the sealing disc is arranged on the outer wall of the fixing ring in a surrounding manner, the locking part is arranged on the outer side of the heart tissue, the sealing disc is abutted against the heart tissue from the outer side of the heart, a fixing groove is formed in the inner wall of the locking part, the connecting area is embedded in the inner ring of the fixing ring, and the plurality of first buckles are clamped in the fixing groove to clamp and fix the implantation part and the locking part on the inner side and the outer side of the heart tissue. According to the invention, the fixator is designed into the split implantation part and the locking part, so that the split implantation part and the locking part are installed from the inner side and the outer side of heart tissue, and the implantation part and the locking part are clamped and fixed on the heart tissue in a mode of inner side limiting and outer side abutting joint, so that no suture is needed, and the operation is convenient and efficient.

Description

Fixer for heart implantation equipment and mounting tool thereof

Technical Field

The invention relates to the technical field of medical equipment, in particular to a fixer for heart implantation equipment and an installation tool thereof.

Background

Heart failure is abbreviated as heart failure, in popular terms, natural heart cannot pump enough blood flow for maintaining systemic blood circulation, according to world health organization statistics, about 15% -20% of people can suffer from heart failure of different degrees, for heart failure patients, three treatment approaches of conservative drug treatment, heart transplantation and heart assistance are only provided at present, wherein the effect of drug treatment is poor, heart transplantation is very difficult due to limited donor, so heart assistance treatment is the most effective treatment approach of heart failure at all end stages recognized worldwide, heart assistance treatment needs to be provided with equipment implanted into heart on the heart through a fixer, the safety and reliability of the fixer have great influence on success or failure of heart assistance treatment operation, at present, heart assistance treatment operation adopts a surgical line suture mode to be provided with the fixer on the heart, and due to complicated operation of the surgical pioneer and mode, the operation level requirement of surgical personnel is high, the suture process is very easy to appear new bleeding points, the surgical difficulty is increased, and simultaneously, the surgical line suture process is time-consuming, and the physical quality of the patient is required to be supported by the same.

Therefore, how to reduce the operation difficulty of the heart assisted therapy surgery, improve the surgery efficiency, and reduce the surgery risk of the patient is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

Accordingly, the present invention is directed to a fixer for cardiac implantation device, which reduces the operation difficulty of the cardiac assisted treatment surgery, improves the surgery efficiency, and reduces the surgery risk of the patient.

It is a further object of the present invention to provide an installation tool for installing the above-described holder on heart tissue.

In order to achieve the above purpose, the present invention provides the following technical solutions:

A holder for a cardiac implant device, comprising:

The implantation part comprises a limiting area and a connecting area, the implantation part is arranged through heart tissue, the limiting area is abutted against the inner side of the heart tissue, the connecting area is in a cylindrical configuration and penetrates out of the heart tissue, a plurality of first buckles are arranged on the connecting area in the circumferential direction of the connecting area, and the first buckles are protruded in the direction away from the axis of the connecting area;

The locking part comprises a sealing disc and a fixing ring which are integrally structured, the sealing disc is arranged on the outer wall of the fixing ring in a surrounding mode, the locking part is arranged on the outer side of heart tissue, the sealing disc is abutted to the heart tissue from the outer side of the heart, a fixing groove matched with the first buckle in a clamping mode is formed in the inner wall of the fixing ring, the connecting area is embedded in the inner ring of the fixing ring, and a plurality of first buckles are clamped into the fixing groove to fasten the implanted part and the locking part to the inner side and the outer side of the heart tissue in a clamping mode.

Preferably, in the above-mentioned fixer for cardiac implantation device, the inner wall of the fixing ring is of a step configuration and includes an annular limiting section, the limiting section is used for abutting and limiting one end of the connecting region away from the limiting region, and the inner diameter of the limiting section is smaller than the inner diameter of the fixing groove.

Preferably, in the above-mentioned fixer for cardiac implantation equipment, the fixing ring further includes an annular butt-joint section, the butt-joint section is butt-jointed with the end of the limiting section, when the connection region is butt-jointed by the limiting section, the inner wall of the connection region is butt-jointed with the inner wall of the butt-joint section, and the inner diameter of the connection region is the same as the inner diameter of the butt-joint section.

Preferably, in the above-described holder for a cardiac implant device, four of the first snaps are uniformly disposed along a circumferential direction of the connection region.

Preferably, in the above-mentioned fixer for cardiac implant equipment, the limiting region is an umbrella-shaped structure composed of a plurality of limiting pieces, and the plurality of limiting pieces are uniformly arranged at the end of the connecting region along the circumferential direction of the connecting region.

Preferably, in the above-mentioned holder for a heart implant device, the connecting region is provided with a plurality of second snaps for connecting the heart implant device in a circumferential direction thereof, the second snaps being protruded in a direction toward an axis of the connecting region.

Preferably, in the above-described holder for a cardiac implant device, the sealing disk has a structure recessed in an intermediate region in an axial direction thereof.

An installation tool suitable for installing the fixator for a cardiac implant device provided in any one of the embodiments above, the installation tool comprising:

the shell is in a cylindrical configuration, the inner wall of the shell is in a threaded structure, and the two ends of the shell are in a flange structure;

the push rod is in threaded connection with the inner wall of the shell and penetrates through the shell, and the first end of the push rod is of a pointed cone structure;

the grabbing head comprises a sliding block and a cover plate, wherein the cover plate is arranged on a flange plate structure at one end of the shell through screws, a plurality of sliding blocks are completely embedded and arranged along the circumferential direction of the cover plate, a boss of each sliding block is sleeved with an elastic sheet, and a first end of each push rod penetrates out of the shell and pushes the corresponding sliding block when moving along the axial direction of the shell so as to lift the corresponding sliding block to protrude out of the outer wall surface of the corresponding cover plate;

square holes corresponding to the sliding blocks one by one are formed in the side wall of the connecting area, the grabbing heads extend into the connecting area, and the sliding blocks are in jacking protruding connection with the outer wall surface of the cover plate in a one-to-one correspondence mode.

Preferably, in the above installation tool, the second end of the push rod is a knob structure extending out of the housing, a rear cover is sleeved outside the second end of the push rod, and the rear cover is in threaded connection with the end of the housing.

Preferably, in the above-mentioned installation tool, an outer wall of the rear cover is provided with anti-skid grains.

According to the technical scheme, the fixer for the heart implantation device comprises an implantation part and a locking part, wherein the implantation part is used for clamping and fixing heart tissues from two sides of a heart wound and is used for allowing the heart implantation device to pass through the heart tissues, the implantation part comprises a limiting area and a connecting area, the implantation part passes through the heart tissues, the limiting area at the end part of the connecting area is particularly abutted against the inner side of the heart tissues, the connecting area penetrates out of the heart tissues, the connecting area is in a cylindrical configuration so that the heart implantation device is installed from the inside of the cylinder, a plurality of first buckles are arranged on the side wall of the circumference of the connecting area, the connecting area is connected with the locking part through the first buckles, so that the protruding direction of the first buckles is along the direction away from the axis of the connecting area, and a good penetration space is provided for the heart implantation device, the locking part particularly comprises a sealing disc and a fixing ring which are of a metal integrated structure, so as to ensure the connection strength and rigidity, the sealing disc is made of a rigid material and is arranged on the outer wall of the fixing ring in a surrounding mode, the connecting area is in a cylindrical configuration so that the heart implantation device is installed from the inside the cylinder, the side wall of the heart tissues, the connecting area is fixedly connected with the inner side of the heart tissues through the first buckles, the inner side of the fixing ring is matched with the fixing ring, the inner side of the fixing ring is provided with the inner ring, the heart tissue is matched with the inner side of the fixing ring, and the fixing ring is provided with the inner side of the fixing ring, and the heart tissue is simultaneously, the heart tissue is fixedly connected with the inner fixing ring, and the heart tissue is fixedly connected with the heart tissue, and the heart tissue is in the heart tissue, and has a good fixing structure, and has a fixing device, the structure only needs to implant the implantation part into heart when setting up on heart tissue to wear out heart tissue with its junction area, the barrel outer wall of junction area is located with the solid fixed ring cover of locking part in the heart outside, promotes locking part so that first buckle and fixed slot joint are fixed, can make the fixer stably be located heart tissue with the help of the spacing effect of spacing district and sealing disk, and the inner circle passageway of junction area and fixed ring can supply heart implantation equipment to wear to establish the installation conveniently simultaneously, and the setting of fixer is simple swift, has promoted operation efficiency. In order to reduce the mounting difficulty of the fixator on heart tissues, the fixator is designed into a split structure, an operation operator can separate the fixator firstly in the operation process, the implantation part is implanted into the heart, the limiting region of the implantation part is abutted against the inner side of the heart tissues, meanwhile, the connecting region penetrates out of the heart tissues, the heart tissues are abutted against the outer side of the heart tissues correspondingly through the sealing disc of the locking part in a matched manner, the fixing ring in the locking part is sleeved on the outer wall of the connecting region, so that the implantation part and the locking part are connected into an integral structure through the first clamping connection between the fixing groove and the circumferential direction of the connecting region, stable arrangement of the fixator on the heart tissues is realized, and meanwhile, the inner ring channels of the connecting region and the fixing ring are used for conveniently penetrating and mounting the heart implantation equipment.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a holder for a cardiac implant device according to an embodiment of the present invention;

FIG. 2 is a schematic view of an embodiment of a mounting structure for a holder for a cardiac implant device;

FIG. 3 is a schematic view of an implant structure according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a locking portion according to an embodiment of the present invention;

FIG. 5 is a schematic view of an installation tool according to an embodiment of the present invention;

Wherein 10 is an implantation part, 110 is a limiting area, 1110 is a limiting sheet, 120 is a connecting area, 1210 is a first buckle, 1220 is a second buckle, 1230 is a square hole, 20 is a locking part, 210 is a sealing disc, 220 is a fixing ring, 2210 is a fixing groove, 2220 is a limiting section, 2230 is a butt joint section, and 30 is heart tissue;

410 is a shell, 420 is a push rod, 430 is a gripping head, 4310 is a sliding block, 4320 is a cover plate, 4330 is a spring plate, and 440 is a rear cover.

Detailed Description

The invention aims at disclosing a fixer for heart implantation equipment, which reduces the operation difficulty of heart assisted treatment surgery, improves the surgery efficiency and reduces the surgery risk of patients.

Another core of the present invention is to provide an installation tool for installing the above-described holder on heart tissue.

In order to make the solution of the invention better understood by a person skilled in the art, embodiments of the invention are described below with reference to the accompanying drawings, and furthermore the embodiments shown below do not have any limiting effect on the inventive content described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the invention described in the claims.

As shown in fig. 1,2,3 and 4, the fixator for cardiac implantation device provided by the embodiment of the invention includes an implantation portion 10 and a locking portion 20, so as to clamp and fix cardiac tissue 30 from two sides of a cardiac wound and provide for the cardiac implantation device to pass through, specifically, the implantation portion 10 includes a limiting region 110 and a connecting region 120, the implantation portion 10 passes through the cardiac tissue 30, specifically, the limiting region 110 located at an end of the connecting region 120 abuts against an inner side of the cardiac tissue 30, the connecting region 120 passes through the cardiac tissue 30, the connecting region 120 has a cylindrical configuration so that the cardiac implantation device passes through the interior of the cylinder, meanwhile, the connecting region 120 is provided with a plurality of first buckles 1210 on a circumferential side wall thereof, the connecting region 120 is connected with the locking portion 20 through the first buckles 1210, so that a protruding direction of the first buckles 1210 is along a direction away from an axis of the connecting region 120, so as to avoid affecting a cylindrical internal cavity space of the connecting region 120, and provide a good penetration space for the cardiac implantation device.

The locking portion 20 specifically includes a sealing disc 210 and a fixing ring 220 with metal integrated structures to ensure connection strength and rigidity, where the sealing disc 210 is made of rigid materials and is disposed around an outer wall of the fixing ring 220, the locking portion 20 is integrally disposed on an outer side of the cardiac tissue 30, and performs a good abutting action on the cardiac tissue 30 from an outer side of the heart through the expanded rigid sealing disc 210, a fixing groove 2210 is disposed on an inner wall of the fixing ring 220, the fixing groove 2210 is an inner groove to be engaged with a first buckle 1210 of a protruding structure, a connection region 120 penetrating out of the cardiac tissue 30 is embedded in an inner ring of the fixing ring 220, and meanwhile, a plurality of first buckles 1210 are engaged with the fixing groove 2210 to connect the implantation portion 10 and the locking portion 20 into an integrated structure, and the limiting region 110 and the sealing disc 210 compress the cardiac tissue 30 from inner and outer sides of the cardiac tissue 30 so that the fixing device is stably disposed.

When the structure is fixedly arranged on the heart tissue 30, the implanted part 10 is implanted into the heart, the connecting area 120 of the implanted part penetrates out of the heart tissue 30, the fixing ring 220 of the locking part 20 is sleeved on the outer wall of the cylinder body of the connecting area 120 outside the heart, the locking part 20 is pushed to enable the first buckle 1210 to be fixedly clamped with the fixing groove 2210, the fixing device can be stably arranged on the heart tissue 30 by means of the limiting effect of the limiting area 110 and the sealing disc 210, meanwhile, the connecting area 120 and the inner ring channel of the fixing ring 220 can be used for conveniently and quickly penetrating and installing heart implantation equipment, the arrangement of the fixing device is simple and quick, and the operation efficiency is improved.

In order to reduce the difficulty in installing the fixator on the heart tissue 30, the fixator is designed to be of a split structure, an operator can separate the fixator firstly in the operation process, implant the implant 10 into the heart, the limit area 110 of the implant 10 is abutted against the inner side of the heart tissue 30, and meanwhile, the connecting area 120 penetrates out of the heart tissue 30, and correspondingly, the sealing disc 210 of the locking part 20 is matched with the limit area 110 from the outer side of the heart tissue 30 to tightly abut against the heart tissue 30 outside the heart, the fixing ring 220 in the locking part 20 is sleeved on the outer wall of the connecting area 120, so that the implant 10 and the locking part 20 are connected into an integral structure through the first buckle 1210 in the circumferential direction of the fixing groove 2210, stable arrangement of the fixator on the heart tissue 30 is realized, and meanwhile, the inner ring channels of the connecting area 120 and the fixing ring 220 are not required to be conveniently penetrated and installed by the heart implant device.

Further, since the connection area 120 is a structure inserted into the fixing ring 220 and connected, in order to improve the accuracy of inserting the connection area 120 into the fixing ring 220, in an embodiment of the invention, the inner wall of the fixing ring 220 is in a stepped configuration, and the fixing ring 220 includes a limit section 2220 with a ring structure, the limit section 2220 is used for abutting against a section of the connection area 120 far away from the limit section 110, i.e. when the connection area 120 is inserted into the fixing ring 220, the end of the connection area 120 abuts against the limit section 2220 to enable the connection area 120 to reach a position required for installation, and similarly, when the end of the connection area 120 abuts against the limit section 2220, the first buckle 1210 is clamped into the fixing groove 2210 to complete connection between the connection area 120 and the fixing ring 220.

It should be noted that, the inner diameter of the stepped configuration of the inner wall of the fixing ring 220, i.e. the inner diameter of the limiting section 2220, is smaller than the inner diameter of the fixing groove 2210, so that the limiting section 2220 meets the purpose of abutting the end of the connecting region 120, and meanwhile, the limiting section 2220 is disposed further away from the cardiac tissue 30 than the fixing groove 2210.

It should be further noted that, a guiding area of the slope fixing groove 2210 is preferably provided between the fixing groove 2210 and the limiting section 2220, so that when the connecting area 120 is not inserted into the fixing ring 220, the end of the connecting area 120 is stably guided to the limiting section 2220 by the guiding area, and the connecting area 120 is aligned with the central axis of the fixing ring 220 in a collinear manner.

Based on the above embodiment, the fixing ring 220 preferably further includes an annular docking section 2230, the docking section 2230 is disposed adjacent to the limiting section 2220 and is in end docking with the limiting section 2220, and the docking section 2230 is disposed away from the cardiac tissue 30 compared with the limiting section 2220, when the connecting region 120 is abutted by the limiting section 2220, the inner wall of the connecting region 120 is in docking with the inner wall of the docking section 2230 to form a complete cylindrical wall surface, the inner diameter of the connecting region 120 is the same as the inner diameter of the docking section 2230, and the connecting end is disposed to provide a pre-aligned space for the cardiac implant device when the cardiac implant device is inserted into the device, so as to avoid the problem that the cardiac implant device directly contacts the connecting region 120 to cause the centrifugal cardiac tissue 30 to be lifted up by the implant 10.

Further, in an embodiment of the present invention, four first buckles 1210 are disposed in the circumferential direction of the connection region 120, and the four first buckles 1210 are uniformly disposed along the circumferential direction of the connection region 120, so that each first buckle 1210 is uniformly stressed, and meanwhile, the four first buckles 1210 perform locking action from four directions to ensure the stability of connection.

Further, in an embodiment of the present invention, the limiting area 110 is an umbrella-shaped structure formed by a plurality of limiting pieces 1110, and the plurality of limiting pieces 1110 are uniformly disposed at the end of the connecting area 120 along the circumferential direction of the connecting area 120 to keep the stability of the limiting effect, and after the limiting area 110 is implanted into the heart, the operator can conveniently perform the abutting effect from the inner side of the heart tissue 30 by sequentially expanding the plurality of limiting pieces 1110.

Further, in an embodiment of the present invention, the connection area 120 is provided with a plurality of second buckles 1220 in the circumferential direction, and the second buckles 1220 are protruded along the direction towards the axis of the connection area 120, i.e. protruded towards the inside of the connection area 120, so as to be used for connecting the heart implantation device, and the clamping structure makes the installation process of the heart implantation device convenient and efficient, and improves the operation efficiency.

Further, in an embodiment of the present invention, the sealing disk 210 has a structure with a concave middle area in the axial direction, that is, two ends of the sealing disk 210 have an expanded structure, wherein one end is used to abut against the outer wall of the heart tissue 30, and the other end is used to abut against other tissue structures, and the middle concave structural area can be clamped with auxiliary components required for fixing the heart.

As shown in fig. 5, the present invention further provides an installation tool for installing the fixture for a cardiac implant device according to any one of the above embodiments on cardiac tissue 30, specifically, for implanting the implant 10 on a proper position on cardiac tissue 30 by an installation tool, the installation tool includes a housing 410, a push rod 420 and a gripping head 430, wherein the housing 410 is a load-bearing protection member having a cylindrical configuration, an inner wall thereof is a threaded structure, both ends thereof are designed as a flange structure, the push rod 420 includes a partial screw structure to be screwed with the inner wall of the housing 410, while the push rod 420 is disposed through an inner cavity of the housing 410, a first end of the push rod 420 is a pointed cone structure, the gripping head 430 includes a slider 4310 and a cover 4320, the cover 4320 is stably mounted on the flange structure at one end of the housing 410 by screws, a plurality of sliders 4310 are completely embedded and mounted along a circumferential direction of the cover 4320, the sliding block 4310 is provided with a boss, a spring plate 4330 is sleeved on the boss, two ends of the spring plate 4330 are fixedly arranged, the push rod 420 moves along the axial direction of the shell 410 when being pushed, meanwhile, a first section of the push rod 420 penetrates out of the shell 410 and stretches into the cover plate 4320, the sliding block 4310 on the circumference of the cover plate 4320 is lifted to protrude out of the outer wall surface of the cover plate 4320, when the first end of the push rod 420 leaves the cover plate 4320, the sliding block 4310 can be fully embedded into the cover plate 4320 again due to the elastic action of the spring plate 4330, correspondingly, in the fixer for heart implantation equipment provided by the embodiment of the invention, square holes 1230 corresponding to the sliding block 4310 one by one are formed on the side wall of the connecting area 120, the number and the positions on the circumference of the square holes 1230 corresponding to one by one are compared with those of the sliding block 4310, after the grabbing head 430 stretches into the connecting area 120, the push rod 420 is driven to enable the first end to stretch into the cover plate 4320, the sliding block 4310 is correspondingly clamped with the square holes 1230 one by one when lifting up the outer wall surface of the protruding cover plate 4320, an operator can control the movement of the implantation part 10 through the installation tool, and the like, and after the position of the implantation part 10 is set, the first end of the push rod 420 is driven to leave the cover plate 4320, so that the installation tool and the implantation part 10 can be unlocked and taken out.

Further, on the basis of the above embodiment, the second end of the push rod 420 is a knob structure extending out of the housing 410, an operator can drive the push rod 420 to rotate by screwing the knob, meanwhile, a rear cover 440 is sleeved outside the second end of the push rod 420, the rear cover 440 is in threaded connection with the end of the housing 410, the knob structure is embedded into the rear cover 440, so as to protect the knob structure from being bumped or mistouched, and when the knob structure needs to be operated, the rear cover 440 is unscrewed from the housing 410.

In order to further optimize the above technical solution, the outer wall of the rear cover 440 provided in the embodiment of the present invention is provided with anti-slip patterns, so that an operator can conveniently install or remove the rear cover 440 on the housing 410.

The terms first and second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A holder for a cardiac implant device, comprising:

The implantation part (10) comprises a limit area (110) and a connection area (120), wherein the implantation part (10) is arranged through heart tissue (30), the limit area (110) is abutted against the inner side of the heart tissue (30), the connection area (120) is in a cylindrical configuration and penetrates out of the heart tissue (30), the connection area (120) is provided with a plurality of first buckles (1210) in the circumferential direction, and the first buckles (1210) are protruded in the direction away from the axis of the connection area (120);

The locking part (20) comprises a sealing disc (210) and a fixing ring (220) which are integrally structured, the sealing disc (210) is arranged on the outer wall of the fixing ring (220) in a surrounding mode, the locking part (20) is arranged on the outer side of cardiac tissue (30), the sealing disc (210) is abutted against the cardiac tissue (30) from the outer side of the heart, a fixing groove (2210) which is matched with the first buckle (1210) in a clamping mode is formed in the inner wall of the fixing ring (220), the connecting area (120) is embedded in the inner ring of the fixing ring (220), and a plurality of first buckles (1210) are clamped into the fixing groove (2210) to fasten the implantation part (10) and the locking part (20) on the inner side and the outer side of the cardiac tissue (30) in a clamping mode;

the connection region (120) is provided with a plurality of second snaps (1220) for connecting a heart implant device in its circumferential direction, the second snaps (1220) protruding in a direction towards the axis of the connection region (120).

2. The fixation device holder of claim 1, wherein the inner wall of the fixation ring (220) is of a stepped configuration and comprises an annular stop section (2220), the stop section (2220) being adapted to abut against and stop an end of the connection region (120) remote from the stop region (110), the stop section (2220) having an inner diameter smaller than an inner diameter of the fixation groove (2210).

3. The fixation device holder of claim 2, wherein the fixation ring (220) further comprises an annular abutment section (2230), the abutment section (2230) abuts against an end of the stop section (2220), the inner wall of the connection section (120) abuts against an inner wall of the abutment section (2230) when the connection section (120) is abutted against the stop section (2220), and an inner diameter of the connection section (120) is the same as an inner diameter of the abutment section (2230).

4. The holder for a cardiac implant device according to claim 1, wherein four of the first snaps (1210) are uniformly disposed along a circumferential direction of the connection region (120).

5. The cardiac implant device fixator according to claim 1, wherein the limiting section (110) is an umbrella-shaped structure composed of a plurality of limiting pieces (1110), and the plurality of limiting pieces (1110) are uniformly arranged at the end of the connecting section (120) along the circumferential direction of the connecting section (120).

6. The holder for a cardiac implant device as set forth in claim 1, wherein the sealing disk (210) has a structure recessed at an intermediate region in an axial direction thereof.

7. An installation tool adapted for installing the holder for a cardiac implant device according to any one of claims 1-6, said installation tool comprising:

The shell (410) is in a cylindrical configuration, the inner wall of the shell (410) is in a threaded structure, and the two ends of the shell are in a flange structure;

the push rod (420) is in threaded connection with the inner wall of the shell (410) and penetrates through the shell (410), and the first end of the push rod (420) is of a pointed cone structure;

The grabbing head (430) comprises a sliding block (4310) and a cover plate (4320), wherein the cover plate (4320) is installed on a flange plate structure at one end of the shell (410) through screws, a plurality of sliding blocks (4310) are completely embedded and installed along the circumferential direction of the cover plate (4320), a boss of the sliding block (4310) is sleeved with a spring piece (4330), and a first end of the push rod (420) penetrates out of the shell (410) and pushes the sliding block (4310) when moving along the axial direction of the shell (410) so as to push the sliding block (4310) to protrude out of the outer wall surface of the cover plate (4320);

Square holes (1230) corresponding to the sliding blocks (4310) one by one are formed in the side wall of the connecting area (120), the grabbing heads (430) extend into the connecting area (120), and the sliding blocks (4310) are in clamping connection with the square holes (1230) one by one when jacking and protruding the outer wall surface of the cover plate (4320).

8. The installation tool of claim 7, wherein the second end of the push rod (420) is a knob structure extending out of the housing (410), a rear cover (440) is sleeved outside the second end of the push rod (420), and the rear cover (440) is in threaded connection with the end of the housing (410).

9. The mounting tool according to claim 8, wherein the outer wall of the rear cover (440) is provided with anti-slip threads.