Interventional hemostat for department of cardiology

Abstract

The invention relates to the technical field of interventional hemostasis, and discloses a cardiology department interventional hemostat which comprises a workbench, a block-up block, a supporting seat and an interventional hemostasis assembly, the block-up block is fixedly arranged on the workbench, the supporting seat is fixedly arranged on the block-up block, and the interventional hemostasis assembly is arranged on the workbench. The interventional hemostasis assembly comprises a power unit, an avoiding type limiting unit and a non-contact type over-limit triggering unit. The invention particularly provides an interventional hemostat for the department of cardiology. The interventional hemostat is provided with an avoiding type limiting unit and a non-contact type over-limit triggering unit.

Description

Technical Field

[0001] The invention relates to the technical field of interventional hemostasis, in particular to an interventional hemostat for cardiology. Background Art

[0002] Cardiology is also known as cardiovascular medicine. In its medical process, interventional treatment is often used. The therapeutic drugs are delivered to the cardiovascular lesions by puncture, which can exert the drug's efficacy in a targeted manner and improve the efficiency of treatment. After the puncture therapy is completed, the puncture hole left in the skin wound is difficult to heal through the body's own hemostatic reaction, and an external hemostat is needed to meet the purpose of hemostasis of the puncture wound.

[0003] In interventional cardiology surgery, radial artery puncture technology is widely used, and postoperative hemostasis treatment of the radial artery puncture site is increasingly valued. At present, hemostasis of the radial artery puncture site is usually performed with a disposable hemostatic compressor. When using the existing disposable hemostatic compressor, medical staff are usually required to preliminarily position the disposable hemostatic compressor before the sheath is removed, and fine-tune the compression position and pressure after the sheath is removed. During the implementation of the compression work, medical staff cannot be replaced, and once they relax, subcutaneous hematoma or bleeding will occur. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an interventional hemostat for cardiology. In order to solve the problem of inconvenience in fine-tuning the hemostatic pressure in the prior art, the present invention proposes an interventional hemostat for cardiology with an avoidance limit unit and a contactless over-limit trigger unit.

[0005] The technical solution adopted by the present invention is as follows: An interventional hemostat for cardiology, comprising a workbench, a raising block, a support seat and an interventional hemostasis component, wherein the raising block is fixedly arranged on the workbench, the support seat is fixedly arranged on the raising block, the interventional hemostasis component is arranged on the workbench, and the interventional hemostasis component comprises a power unit, an avoidance limit unit and a contactless over-limit trigger unit.

[0006] Furthermore, the power unit is arranged on a workbench, and the power unit includes a main motor, an eccentric wheel, a rail component, a main power arm, an auxiliary power arm, a connecting handle, a limit vertical rod and an upper pressure block. The main motor is fixed on the workbench, the eccentric wheel is fixed on the output end of the main motor, the bottom end of the main power arm is hinged on the workbench, a rail groove is opened in the middle part of the main power arm, the rail component is fixed in the rail groove, a circular concave rail is opened on the eccentric wheel, the rail component is slidably fitted in the circular concave rail, the auxiliary power arm is hinged to the top of the main power arm, the limit vertical rod is fixed on the workbench, the upper pressure block is slidably arranged on the limit vertical rod, and the connecting handle is hinged between the auxiliary power arm and the upper pressure block.

[0007] Furthermore, the avoidance limiting unit is arranged between the main power arm and the auxiliary power arm, and a lower slot is opened below the top of the main power arm. The avoidance limiting unit includes a connecting member, a U-shaped bend, a front push rod, a rear push rod, a collinear maintaining rod, a pushing block, a ball and a tightening cylinder. The connecting member is fixedly arranged below the main power arm, the U-shaped bend is fixedly arranged below the connecting member, the front push rod is slidably arranged at the front pipe mouth of the U-shaped bend, the rear push rod is slidably arranged at the rear pipe mouth of the U-shaped bend, the collinear maintaining rod is fixedly connected to the auxiliary power arm, and the collinear maintaining rod is fitted at the lower In the slot, the front push rod is movably abutted against the lower part of the auxiliary power arm, and the rear push rod is movably abutted against the lower part of the colinear maintaining rod. A narrow slot is opened in the middle of the U-shaped bend, and the pushing block is slidably arranged in the middle of the U-shaped bend, and the pushing block extends to the outside of the U-shaped bend through the narrow slot. There are multiple balls, and multiple balls are rollingly arranged in the U-shaped bend. Some of the balls are attached to and located between the front push rod and the pushing block in pairs, and the remaining balls are attached to and located between the pushing block and the rear push rod in pairs. The tightening cylinder is fixedly arranged on the outside of the U-shaped bend, and the output end of the tightening cylinder is fixedly connected to the pushing block.

[0008] Furthermore, a component top groove is provided at the top of the support seat, a coupling module is fixedly provided in the component top groove, and a wire passing channel communicating with the component top groove is provided at one side of the support seat.

[0009] Further, the contactless over-limit trigger unit is arranged on a workbench, and the contactless over-limit trigger unit includes a rectangular conductor, a magnet, a power supply, a voltmeter, a voltage pointer, a trigger bracket, a ratchet, a trigger rod, a trigger switch and a pawl. The rectangular conductor is fixed in the top groove of the component, the power supply is fixed on the workbench, the voltmeter is fixed on the workbench, the front and back sides of the rectangular conductor are symmetrically provided with power-on interfaces, the left and right sides of the rectangular conductor are symmetrically provided with detection interfaces, the power supply is connected to the power-on interface wire, the voltmeter is connected to the detection interface wire, the magnet is located directly above the rectangular conductor, the voltage pointer is fixed on the voltmeter, the trigger bracket is fixed on the workbench, the ratchet is rotatably provided on the trigger bracket, the pawl is rotatably provided on the trigger bracket, the pawl is meshed with the ratchet, the trigger rod is fixed on the ratchet, the trigger switch is fixed on the trigger rod, and the trigger switch is movably abutted against the voltage pointer.

[0010] Furthermore, when the abutting cylinder is extended to the maximum stroke, the rear abutting rod abuts against the collinear maintaining rod, the front abutting rod is separated from the auxiliary power arm, and the collinear maintaining rod, the main power arm and the auxiliary power arm are in a collinear state in the length direction; The abutting cylinder is connected to a trigger switch signal, and when the trigger switch is triggered, the abutting cylinder contracts; When the abutting cylinder contracts to the minimum stroke, the front abutting rod abuts against the auxiliary power arm, the rear abutting rod is separated from the colinear maintaining rod, and the auxiliary power arm deflects upward and forms an obtuse angle with the main power arm.

[0011] Furthermore, the power unit also includes a lower pressing block, a connecting spring and an extrusion head, the lower pressing block is slidably arranged on the limiting vertical rod, the connecting spring is fixedly arranged between the upper pressing block and the lower pressing block, and the extrusion head is fixedly arranged below the lower pressing block.

[0012] Furthermore, the magnet is fixed on the lower pressing block.

[0013] The beneficial effects achieved by the present invention using the above structure are as follows: 1. The present invention drives the main power arm, the auxiliary power arm and the connecting handle to rotate through the design of the power unit through the rotation of the main motor and the eccentric wheel, and further forms a crank slider mechanism with the main power arm, the auxiliary power arm, the connecting handle and the upper pressure block sliding along the limiting vertical rod, thereby controlling the upper and lower pressure blocks and the extrusion head to move up and down, which is convenient for directly controlling the lifting and lowering of the extrusion head and the transmission of the extrusion force, and avoiding the unreliability of pressure regulation at the hemostatic compression point.

[0014] 2. The present invention provides a main power arm and a secondary power arm that are hinged to each other between the connecting handle and the eccentric wheel, and further provides an avoidance-type limit unit between the main power arm and the secondary power arm. Therefore, during the hemostatic compression process, the avoidance-type limit unit can push the secondary power arm to deflect upward to cancel the squeezing force on the patient's limbs on the support seat, thereby avoiding the patient's feeling of great pain due to the movement of the limbs during the hemostatic compression process.

[0015] 3. The present invention arranges a component top groove and a closing module in the support seat, and further arranges a contactless over-limit trigger unit. On the basis of not affecting hemostasis compression, the distance between the extrusion head and the support seat is detected by means of the Hall effect, and when the extrusion head and the support seat are too close, the trigger switch is triggered by the change of the Hall voltage, and the avoidance limit unit is controlled to push the auxiliary power arm to rise, so as to prevent the extrusion head from continuing to fall and causing secondary damage to the puncture point.

[0016] 4. On the basis of avoiding the extrusion head from continuously falling and causing secondary damage to the puncture head, the present invention sets an avoidance limit unit. Compared with the blocking limit mechanism represented by the baffle commonly used in the prior art, the avoidance limit unit set in the present invention will not hinder the power output of the main motor, avoid the large mechanical vibration and deformation generated by the traditional blocking limit mechanism during operation, and further avoid damage to the main motor, eccentric wheel and other power systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a three-dimensional schematic diagram of a cardiology interventional hemostat of the present invention.

[0018] Figure 2 The figure is a cross-sectional schematic diagram of a cardiology interventional hemostat of the present invention.

[0019] Figure 3 It is a cross-sectional schematic diagram of the support base of the present invention.

[0020] Figure 4 It is a three-dimensional schematic diagram of the power unit of the present invention.

[0021] Figure 5 It is a three-dimensional schematic diagram of the main force arm of the present invention.

[0022] Figure 6 It is a three-dimensional schematic diagram of the eccentric wheel and the rail component of the present invention.

[0023] Figure 7 It is a three-dimensional schematic diagram of the avoidance limiting unit of the present invention.

[0024] Figure 8 It is a cross-sectional schematic diagram of the avoidance limiting unit of the present invention.

[0025] Fig. 9 It is a three-dimensional schematic diagram of the contactless over-limit trigger unit of the present invention.

[0026] Fig.10 It is a three-dimensional schematic diagram of the rectangular conductor of the present invention.

[0027] Fig.11 It is a three-dimensional schematic diagram of the ratchet, pawl, voltage pointer, trigger rod and trigger switch of the present invention.

[0028] Among them, 1. workbench, 2. pad block, 3. interventional hemostasis component, 4. power unit, 401. main motor, 402. eccentric wheel, 4021. circular concave rail, 403. rail component, 404. main force arm, 4041. rail groove, 4042. lower slot, 405. auxiliary power arm, 406. connecting handle, 407. limit vertical rod, 408. upper pressure block, 409. lower pressure block, 410. connecting spring, 411. extrusion head, 5. avoidance limit unit, 501. connecting component, 502. U-shaped bend, 5021. narrow groove, 503 , front push rod, 504, rear push rod, 505, colinear maintaining rod, 506, pushing block, 507, ball, 508, tightening cylinder, 6, contactless over-limit trigger unit, 601, rectangular conductor, 6011, power supply interface, 6012, detection interface, 602, magnet, 603, power supply, 604, voltmeter, 605, voltage pointer, 606, trigger bracket, 607, ratchet, 608, trigger rod, 609, trigger switch, 610, pawl, 7, support seat, 701, component top groove, 702, combination module, 703, line channel.

[0029] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] like Figure 1 to Figure 11 As shown, an interventional hemostat for cardiology includes a workbench 1, a raising block 2, a support seat 7 and an interventional hemostat component 3. The raising block 2 is fixed on the workbench 1, the support seat 7 is fixed on the raising block 2, the interventional hemostat component 3 is arranged on the workbench 1, and the interventional hemostat component 3 includes a power unit 4, an avoidance limit unit 5 and a contactless over-limit trigger unit 6.

[0033] like Figure 1 to Figure 11 As shown, the power unit 4 is arranged on the workbench 1, and the power unit 4 includes a main motor 401, an eccentric wheel 402, a rail member 403, a main force arm 404, an auxiliary power arm 405, a connecting handle 406, a limit vertical rod 407 and an upper pressing block 408. The main motor 401 is fixedly arranged on the workbench 1, the eccentric wheel 402 is fixedly arranged on the output end of the main motor 401, the bottom end of the main force arm 404 is hinged on the workbench 1, and a rail member 403 is provided in the middle of the main force arm 404. The rail groove 4041, the rail member 403 is fixedly arranged in the rail groove 4041, the eccentric wheel 402 is provided with a circular concave rail 4021, the rail member 403 is slidably fitted in the circular concave rail 4021, the auxiliary power arm 405 is hingedly arranged at the top of the main power arm 404, the limiting vertical rod 407 is fixedly arranged on the workbench 1, the upper pressure block 408 is slidably arranged on the limiting vertical rod 407, and the connecting handle 406 is hingedly arranged between the auxiliary power arm 405 and the upper pressure block 408.

[0034] like Figure 1 to Figure 11 As shown, the avoidance limiting unit 5 is arranged between the main power arm 404 and the auxiliary power arm 405, and a lower slot 4042 is opened below the top of the main power arm 404. The avoidance limiting unit 5 includes a connecting member 501, a U-shaped bend 502, a front push rod 503, a rear push rod 504, a collinear maintaining rod 505, a pushing block 506, a ball 507 and a tightening cylinder 508. The connecting member 501 is fixedly arranged below the main power arm 404, the U-shaped bend 502 is fixedly arranged below the connecting member 501, the front push rod 503 is slidably arranged at the front pipe mouth of the U-shaped bend 502, the rear push rod 504 is slidably arranged at the rear pipe mouth of the U-shaped bend 502, the collinear maintaining rod 505 is fixedly connected to the auxiliary power arm 405, and the collinear maintaining rod 505 is fitted in the lower slot. In 4042, the front push rod 503 is movably abutted against the lower part of the auxiliary power arm 405, and the rear push rod 504 is movably abutted against the lower part of the colinear maintaining rod 505. A narrow groove 5021 is opened in the middle of the U-shaped bend tube 502, and the pushing block 506 is slidably arranged in the middle of the U-shaped bend tube 502. The pushing block 506 extends to the outside of the U-shaped bend tube 502 through the narrow groove 5021. There are multiple ball bearings 507, and multiple ball bearings 507 are rollingly arranged in the U-shaped bend tube 502. Some of the ball bearings 507 are attached to and located between the front push rod 503 and the pushing block 506 in pairs, and the remaining ball bearings 507 are attached to and located between the pushing block 506 and the rear push rod 504 in pairs. The tightening cylinder 508 is fixedly arranged on the outside of the U-shaped bend tube 502, and the output end of the tightening cylinder 508 is fixedly connected to the pushing block 506.

[0035] like Figure 1 to Figure 11 As shown, a component top groove 701 is provided at the top of the support seat 7 , a coupling module 702 is fixedly provided in the component top groove 701 , and a wire passage 703 communicating with the component top groove 701 is provided at one side of the support seat 7 .

[0036] like Figure 1 to Figure 11 As shown, the contactless over-limit trigger unit 6 is arranged on the workbench 1, and the contactless over-limit trigger unit 6 includes a rectangular conductor 601, a magnet 602, a power supply 603, a voltmeter 604, a voltage pointer 605, a trigger bracket 606, a ratchet 607, a trigger rod 608, a trigger switch 609 and a ratchet 610. The rectangular conductor 601 is fixed in the component top groove 701, the power supply 603 is fixed on the workbench 1, the voltmeter 604 is fixed on the workbench 1, and the rectangular conductor 601 is symmetrically provided with power-on interfaces 6011 on the front and rear sides, and the rectangular conductor 601 is symmetrically provided with detection interfaces 6011 on the left and right sides. 12. The power supply 603 is connected to the power-on interface 6011 by a wire, the voltmeter 604 is connected to the detection interface 6012 by a wire, the magnet 602 is located directly above the rectangular conductor 601, the voltage pointer 605 is fixed on the voltmeter 604, the trigger bracket 606 is fixed on the workbench 1, the ratchet 607 is rotatably disposed on the trigger bracket 606, the pawl 610 is rotatably disposed on the trigger bracket 606, the pawl 610 is meshed with the ratchet 607, the trigger rod 608 is fixed on the ratchet 607, the trigger switch 609 is fixed on the trigger rod 608, and the trigger switch 609 is movably abutted against the voltage pointer 605.

[0037] like Figure 1 to Figure 11 As shown, when the abutting cylinder 508 is extended to the maximum stroke, the rear abutting rod 504 abuts against the collinear maintaining rod 505, the front abutting rod 503 is separated from the auxiliary power arm 405, and the collinear maintaining rod 505, the main power arm 404 and the auxiliary power arm 405 are in a collinear state in the length direction; The pressing cylinder 508 is connected to the trigger switch 609 by signal. When the trigger switch 609 is triggered, the pressing cylinder 508 contracts. When the pressing cylinder 508 contracts to the minimum stroke, the front pressing rod 503 abuts against the auxiliary power arm 405, the rear pressing rod 504 separates from the colinear maintaining rod 505, and the auxiliary power arm 405 deflects upward and forms an obtuse angle with the main power arm 404.

[0038] like Figure 1 to Figure 11 As shown, the power unit 4 also includes a lower pressing block 409, a connecting spring 410 and an extrusion head 411. The lower pressing block 409 is slidably arranged on the limiting vertical rod 407, the connecting spring 410 is fixedly arranged between the upper pressing block 408 and the lower pressing block 409, and the extrusion head 411 is fixedly arranged below the lower pressing block 409.

[0039] like Figure 1 to Figure 11 As shown, the magnet 602 is fixed on the lower pressing block 409 .

[0040] When in use, the patient's limbs are placed on the support seat 7, and the main motor 401 is running, driving the main force arm 404 to swing relative to the workbench 1 through the eccentric wheel 402 and the rail member 403. Between the main force arm 404 and the auxiliary power arm 405, since the rear push rod 504 in the avoidance limiting unit 5 is pressed against the collinear maintenance rod 505 under normal conditions, and the collinear maintenance rod 505 fits the main force arm 404, the main force arm 404 and the auxiliary power arm 405 keep swinging synchronously. The main force arm 404, the auxiliary power arm 405, the connecting handle 406 and the upper pressing block 408 form a crank slider mechanism, and the swing of the auxiliary power arm 405 drives the upper pressing block 408 sliding along the limiting vertical rod 407 to slide up and down through the connecting handle 406. Through the transmission of the connecting spring 410, the extrusion head 411 below the lower pressing block 409 can be vertically lifted and lowered, and hemostasis compression is performed on the patient's limb on the support seat 7. During the hemostatic compression process, the rotation of the main motor 401 and the eccentric wheel 402 will periodically drive the upper pressure block 408 to lower. When the extrusion head 411 is in contact with the patient's limb, the lowering of the upper pressure block 408 will squeeze the connecting spring 410 and increase the squeezing force of the lower pressure block 409 and the extrusion head 411 on the patient's limb.

[0041] During the hemostasis and compression process of the patient's limb, the power supply 603 forms a conductive loop through the wires and the power-on interfaces 6011 on both sides of the rectangular conductor 601. The powered rectangular conductor 601 is affected by the magnetic field of the magnet 602 above, generating a Hall voltage, and the detection interface 6012 transmits the Hall voltage value to the voltmeter 604.

[0042] During the hemostasis compression process of the patient's limb, the increase in the squeezing force of the squeezing head 411 will cause the patient's limb to be slightly squeezed and deformed, and at the same time, the squeezing head 411, the pressing block 409 and the magnet 602 will move slightly downward. The magnet 602 and the rectangular conductor 601 are close to each other, which will increase the magnetic field at the location of the rectangular conductor 601 and further increase the Hall voltage and the reading of the voltmeter 604.

[0043] When the patient's limb moves upward, the extrusion head 411 moves downward rapidly under the push of the connection spring 410 and gradually approaches the support seat 7. Because the distance between the magnet 602 and the rectangular conductor 601 is too close, the Hall voltage value indicated by the voltmeter 604 and the voltage pointer 605 is too large, and the deflection of the voltage pointer 605 triggers the trigger switch 609. The trigger switch 609 controls the compression of the pressing cylinder 508 through signal connection.

[0044] The contraction movement of the pressing cylinder 508 drives the push block 506 to slide along the U-shaped curved rod, and further squeezes the front push rod 503 through the ball 507, so that the front push rod 503 pushes out and squeezes the auxiliary power arm 405. In the process of the auxiliary power arm 405 being squeezed and deflected upward, the connecting handle 406 moves upward due to the hinged relationship with the auxiliary power arm 405, and the upper pressing block 408, the connecting spring 410, and the lower pressing block 409 move upward synchronously with the extrusion head 411, thereby preventing the driving force continuously output by the main motor 401 from causing secondary trauma to the patient's limbs on the support seat 7 by lifting the extrusion head 411 upward.

[0045] The rotation connection design between the ratchet 607 and the trigger bracket 606 enables manual adjustment of the tilt angles of the trigger rod 608 and the trigger switch 609. At the same time, the engagement restriction effect of the pawl 610 on the ratchet 607 can prevent the voltage pointer 605 from pushing the trigger switch 609 to deflect synchronously with the trigger rod 608, thereby preventing the voltage reading measured by the voltmeter 604 from exceeding a predetermined value while the trigger switch 609 is not triggered.

[0046] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cardiology interventional hemostat, characterized in that: The invention comprises a workbench (1), a heightening block (2), a support seat (7) and an interventional hemostasis component (3), wherein the heightening block (2) is fixedly arranged on the workbench (1), the support seat (7) is fixedly arranged on the heightening block (2), the interventional hemostasis component (3) is arranged on the workbench (1), and the interventional hemostasis component (3) comprises a power unit (4), an avoidance limit unit (5) and a contactless over-limit trigger unit (6).

2. The cardiology interventional hemostat according to claim 1, characterized in that: The power unit (4) is arranged on the workbench (1), and comprises a main motor (401), an eccentric wheel (402), a rail member (403), a main power arm (404), an auxiliary power arm (405), a connecting handle (406), a limit vertical rod (407) and an upper pressing block (408). The main motor (401) is fixedly arranged on the workbench (1), the eccentric wheel (402) is fixedly arranged on the output end of the main motor (401), the bottom end of the main power arm (404) is hingedly arranged on the workbench (1), and a rail member is provided in the middle of the main power arm (404). The main working member (404) is a main working member having a plurality of movable members, each of which is provided with a plurality of movable members, wherein the movable member (404) ...

3. The cardiology interventional hemostat according to claim 2, characterized in that: The avoidance limiting unit (5) is arranged between the main power arm (404) and the auxiliary power arm (405); a lower slot (4042) is provided below the top of the main power arm (404); the avoidance limiting unit (5) comprises a connecting member (501), a U-shaped bent pipe (502), a front push rod (503), a rear push rod (504), a collinear maintaining rod (505), a pushing block (506), a ball (507) and a tightening cylinder (508); the connecting member (501) is provided with a lower slot (4042) below the top of the main power arm (404); the avoidance limiting unit (5) comprises a connecting member (501), a U-shaped bent pipe (502), a front push rod (503), a rear push rod (504), a collinear maintaining rod (505), a pushing block (506), a ball (507) and a tightening cylinder (508); The component (501) is fixedly arranged below the main power arm (404), the U-shaped curved tube (502) is fixedly arranged below the connecting component (501), the front support rod (503) is slidably arranged at the front pipe opening of the U-shaped curved tube (502), the rear support rod (504) is slidably arranged at the rear pipe opening of the U-shaped curved tube (502), the collinear maintaining rod (505) is fixedly connected to the auxiliary power arm (405), and the collinear maintaining rod (505) is fitted in the lower slot (404 2), the front push rod (503) is movably connected to the lower part of the auxiliary power arm (405), the rear push rod (504) is movably connected to the lower part of the colinear maintaining rod (505), a narrow groove (5021) is opened in the middle of the U-shaped curved tube (502), the pushing block (506) is slidably arranged in the middle of the U-shaped curved tube (502), the pushing block (506) passes through the narrow groove (5021) and extends to the outside of the U-shaped curved tube (502), and a plurality of balls (507) are provided, A plurality of the balls (507) are rollingly arranged in the U-shaped curved tube (502); some of the balls (507) are arranged in pairs and are located between the front push rod (503) and the push block (506); the remaining balls (507) are arranged in pairs and are located between the push block (506) and the rear push rod (504); the pressing cylinder (508) is fixedly arranged outside the U-shaped curved tube (502); and the output end of the pressing cylinder (508) is fixedly connected to the push block (506).

4. The cardiology interventional hemostat according to claim 3, characterized in that: The top of the support seat (7) is provided with a component top groove (701), a coupling module (702) is fixedly arranged in the component top groove (701), and one side of the support seat (7) is provided with a wire passage (703) communicating with the component top groove (701).

5. The cardiology interventional hemostat according to claim 4, characterized in that: The contactless over-limit trigger unit (6) is arranged on a workbench (1), and comprises a rectangular conductor (601), a magnet (602), a power supply (603), a voltmeter (604), a voltage pointer (605), a trigger bracket (606), a ratchet (607), a trigger rod (608), a trigger switch (609) and a ratchet (610). The rectangular conductor (601) is fixedly arranged in a component top groove (701), the power supply (603) is fixedly arranged on the workbench (1), the voltmeter (604) is fixedly arranged on the workbench (1), power supply interfaces (6011) are symmetrically provided on the front and rear sides of the rectangular conductor (601), detection interfaces (6012) are symmetrically provided on the left and right sides of the rectangular conductor (601), and the The power source (603) is connected to the power supply interface (6011) by a wire, the voltmeter (604) is connected to the detection interface (6012) by a wire, the magnet (602) is located directly above the rectangular conductor (601), the voltage pointer (605) is fixedly arranged on the voltmeter (604), the trigger bracket (606) is fixedly arranged on the workbench (1), the ratchet (607) is rotatably arranged on the trigger bracket (606), the pawl (610) is rotatably arranged on the trigger bracket (606), the pawl (610) is meshedly connected with the ratchet (607), the trigger rod (608) is fixedly arranged on the ratchet (607), the trigger switch (609) is fixedly arranged on the trigger rod (608), and the trigger switch (609) is movably abutted against the voltage pointer (605).

6. The cardiology interventional hemostat according to claim 5, characterized in that: When the abutting cylinder (508) is extended to the maximum stroke, the rear abutting rod (504) abuts against the collinearity maintaining rod (505), the front abutting rod (503) is separated from the auxiliary power arm (405), and the collinearity maintaining rod (505), the main power arm (404) and the auxiliary power arm (405) are in a collinear state in the length direction; The abutting cylinder (508) is connected to a trigger switch (609) by signal, and when the trigger switch (609) is triggered, the abutting cylinder (508) contracts; When the abutting cylinder (508) contracts to the minimum stroke, the front abutting rod (503) abuts against the auxiliary power arm (405), the rear abutting rod (504) separates from the colinear maintaining rod (505), and the auxiliary power arm (405) deflects upward and forms an obtuse angle with the main power arm (404).

7. The cardiology interventional hemostat according to claim 6, characterized in that: The power unit (4) further comprises a lower pressing block (409), a connecting spring (410) and an extrusion head (411); the lower pressing block (409) is slidably arranged on the limiting vertical rod (407); the connecting spring (410) is fixedly arranged between the upper pressing block (408) and the lower pressing block (409); and the extrusion head (411) is fixedly arranged below the lower pressing block (409).

8. The cardiology interventional hemostat according to claim 7, characterized in that: The magnet (602) is fixed on the lower pressing block (409).

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