CN216365210U

CN216365210U - Puncture device in clinical operation of intracardiac branch of academic or vocational study

Info

Publication number: CN216365210U
Application number: CN202122877728.0U
Authority: CN
Inventors: 林培林; 李夏; 齐燕
Original assignee: Institute Of Cardiovascular Diseases Qingdao University Affiliated Cardiovascular Hospital Of Qingdao University
Current assignee: Institute Of Cardiovascular Diseases Qingdao University Affiliated Cardiovascular Hospital Of Qingdao University
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-26
Anticipated expiration: 2031-11-23

Abstract

The application provides a puncture device in clinical art of intracardiac branch of academic or vocational study belongs to puncture device technical field. The puncture device for the clinical operation of the cardiology department comprises a supporting auxiliary assembly and a puncture assembly. The supporting auxiliary assembly comprises a base, a vertical telescopic mechanism and a movable lifting mechanism, wherein the upper end and the lower end of the vertical telescopic mechanism are respectively connected to the movable lifting mechanism and the base. In this application, the puncture subassembly can quick clamping on supporting the auxiliary assembly, supports the auxiliary assembly and is convenient for adjust the clamping position of puncture needle according to not co-altitude's sick bed and the fat thin patient of difference, also is convenient for carry out quick adjustment to puncture needle male angle and fixes, can also stably impel the puncture needle to treating the puncture position, puncture stability is higher, and the puncture in-process has reduced that medical personnel hold the puncture needle for a long time and has caused the hand to tremble the probability that influences the puncture result.

Description

Puncture device in clinical operation of intracardiac branch of academic or vocational study

Technical Field

The application relates to the field of puncture devices, in particular to a puncture device used in clinical operation of cardiology.

Background

The cardiology department, namely the cardiovascular department, is a clinical department set up for diagnosing cardiovascular vascular diseases in hospitals at all levels, pericardial effusion belongs to a common disease in the cardiology department, severe people can cause pericardial tamponade, a puncture needle is often adopted in clinical operations of patients with pericardial effusion, the needle head of the puncture needle needs to be a needle entering point in an included angle between two muscle of sternocleidomastoid sternum head and clavicle head, a position 1cm below the vertex and a position 1mm outside the artery, however, the puncture needle in the related technology is usually used for a doctor to hold the puncture needle to directly insert the needle head part from the clavicle position of the patient to the thoracic cavity, the height, the depth and the angle of insertion and stable control are difficult due to lack of a corresponding puncture auxiliary device, the doctor is often difficult to stably extract from deep to the effusion due to personal fatigue or other accidental reasons in the above operation process, it is easy to operate the patient in an operation and hurt.

SUMMERY OF THE UTILITY MODEL

In order to compensate for the above deficiency, the application provides puncture device in clinical art of intracardiac branch of academic or vocational study, aims at improving the puncture device among the relevant art because lack corresponding puncture auxiliary device, be difficult to the stable height and the degree of depth and the angle of pegging graft when the contact pin holds the problem.

The embodiment of the application provides a puncture device in clinical operation of intracardiac branch of academic or vocational study, including supporting auxiliary assembly and puncture assembly.

The supporting auxiliary assembly comprises a base, a vertical telescopic mechanism and a movable lifting mechanism, the upper end and the lower end of the vertical telescopic mechanism are respectively connected to the movable lifting mechanism and the base, the vertical telescopic mechanism comprises a servo motor, a sleeve and a loop bar, the bottom end of the sleeve is fixed on the upper surface of the base, the loop bar is sleeved in the sleeve in a sliding manner, the servo motor is installed on the outer wall of the sleeve, the output end of the servo motor is connected with a ball screw pair I, the outer wall of the ball screw pair I is rotatably connected with a ball screw nut pair I, the ball screw nut pair I is fixedly connected with the outer wall of the loop bar, the movable lifting mechanism is arranged at the upper end of the loop bar and comprises a fixed plate and a movable clamping piece, the fixed plate is hinged to the upper end of the loop bar, and the upper parts of the fixed plate and the loop bar are jointly provided with an angle adjusting piece, the movable clamping piece is arranged on the upper surface of the fixed plate, the puncture assembly comprises a needle seat body and a needle body, the needle seat body is fixed and moved by the movable clamping piece, and the needle body is fixedly arranged at one end of the needle seat body.

In the implementation process, the needle base body is clamped and fixed by the two clamping plates by screwing the corresponding screw holes by using the screwing bolt according to the outer diameter of the needle base body of the puncture needle, the stability of the clamping and fixing of the needle base body can be improved by using the design of the two anti-skid rubber pads I, then the ball screw pair I is directly driven to rotate by using the servo motor according to the puncture height position of the clavicle position of a patient on a sickbed, the sleeve rod is indirectly driven to synchronously move up and down along with the ball screw nut pair I, so that the indirectly clamped needle body on the movable lifting mechanism can be adjusted and moved to the correct position, then the specific position of the needle body is indirectly fixed by using the compression fit relationship between the nut and the arc-shaped plate after the needle body is adjusted to the proper angle position by using the rotary fixing plate according to the puncture angle required, and in the puncture process, the hand is rotated to drive one of the ball screw pair II to rotate, because the gear connected with the upper parts of the two ball screw pairs II is jointly driven by the gear belt, the two ball screw nut pairs II can move back and forth by rotating the ball screw pair II, the needle body can be indirectly slowly sent towards the clavicle position of a patient and inserted into the chest to extract hydrops, the stability and accuracy of inserting the inserting needle are higher, after the needle body is inserted into the hydrops position, the hand wheel is not rotated any more, the press block is quickly pressed to be separated from the corresponding jack and the guide rod II is pulled out or pushed outwards, when the press block is aligned with the new jack, the press block is inserted into the new jack by the self restoring force of the spring, the anti-skidding rubber pad II at the inner side of the press block is quickly attached to the peripheral side of the hand wheel, the concept of self rotation in the process of liquid pumping of the hand wheel is reduced, so that a medical worker does not need to continuously hold the puncture needle by hand, and the fatigue degree of the medical worker is reduced, the safety of puncture is also improved, and the influence on puncture caused by hand shaking in the process of holding by medical staff is reduced.

In a specific embodiment, the angle adjusting part is an arc-shaped plate, an arc-shaped groove is formed in the arc-shaped plate in a penetrating mode, and one end of the angle adjusting part is fixedly connected to the fixing plate.

In a specific embodiment, the upper part of the loop bar is fixedly connected with a screw rod, and the screw rod is movably arranged in the arc-shaped groove.

In a specific implementation scheme, a nut which is movably pressed on the arc-shaped plate is screwed on the screw rod, and an anti-skid rubber gasket which is movably attached to the arc-shaped plate is adhered to the periphery of the nut.

In the above-mentioned realization process, according to the angle of needs puncture, after rotatory fixed plate adjusted the needle body to suitable angle department, utilize the compressing tightly cooperation relation of nut and arc indirect with the concrete rigidity of needle body, utilize setting for of antiskid rubber packing ring can further increase the stability that the nut compressed tightly simultaneously.

In a specific embodiment, the movable clamping piece comprises two ball screw pairs II and two ball screw nut pairs II, two sides of each ball screw pair II are rotatably connected with bearing seats, and the bearing seats are fixedly connected with the upper surfaces of the fixed plates.

In a specific embodiment, the two ball screw nut pairs II are respectively and rotatably connected to the corresponding ball screw pair II, and the two ball screw nut pairs II are also in sliding contact with the upper surface of the fixed plate.

In a specific embodiment, gears are connected to the two ball screw pairs II, the two gears are jointly in transmission connection with a gear belt, and a hand wheel is connected to the end of one of the ball screw pairs II.

In the above-mentioned realization in-process, the puncture in-process, hand rotation hand wheel drives one of them ball screw pair II and rotates, because the common transmission has the gear area on the gear that two ball screw pair II upper portions are connected, so rotatory ball screw pair II just makes two ball screw nut pair II carry out the back-and-forth movement, indirectly make the gentle orientation patient clavicle position department of needle body advance send out and insert the chest and carry out the hydrops extraction, the stability and the accuracy of interlude needle insertion are higher.

In a specific embodiment, two opposite sides of the ball screw nut pair II are both connected with guide sleeves I, and guide rods I are sleeved in the guide sleeves I.

In a specific embodiment, the two guide sleeves I are respectively provided with a tightening bolt, the guide rods I are equidistantly provided with screw holes matched with the tightening bolts, the opposite sides of the two guide rods I are respectively connected with a clamping plate, the opposite sides of the two clamping plates are respectively adhered with an anti-skid rubber pad I, and the two anti-skid rubber pads I are movably pressed on the outer wall of the needle base body.

In the implementation process, the tightening bolt is screwed up in the corresponding screw hole according to the outer diameter of the puncture needle base body, so that the needle base body is clamped and fixed by the two clamping plates, and meanwhile, the stability of the needle base body fixed by clamping can be improved by the design of the two anti-skid rubber pads I.

In a specific embodiment, the fixed plate is further provided with a limiting part, the limiting part comprises a vertical plate, a guide sleeve II and a guide rod II, the vertical plate is connected to the upper surface of the fixed plate, the guide sleeve II is connected to the vertical plate, the guide rod II is sleeved in the guide sleeve II, a sliding cavity is formed in the guide rod II, a clamping block slides in the sliding cavity, a spring is connected between the clamping block and the sliding cavity, the side wall of the guide sleeve II is provided with a jack matched with the clamping block in pairs, the outer end of the guide rod II is connected with a pressing block which can movably extrude the hand wheel, and the inner wall of the pressing block is adhered with an anti-slip rubber pad II which is movably adhered to the hand wheel.

In the above-mentioned realization in-process, after inserting to the hydrops position, no longer rotatory hand wheel, press down the briquetting fast and make its jack that breaks away from the correspondence and pull out guide arm II or extrapolate outward, when the briquetting aligns with new jack, rely on restoring force of spring self to make the briquetting peg graft with new jack, the antiskid rubber pad II of briquetting inboard hugs closely in hand wheel week side fast this moment, reduce the concept of hand wheel drawing liquid in-process rotation by oneself, just so do not need medical personnel to continue to hold up the pjncture needle indirectly, medical personnel's the degree of fatigue has not only been reduced, the security of puncture has also been increased, reduce the handheld in-process hand of medical personnel and tremble the influence that causes for the puncture.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a puncture device for clinical intracardiac medical surgery provided by an embodiment of the present application;

FIG. 2 is a schematic structural view of an angle adjustment relationship between a fixing plate and a loop bar according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a connection relationship between a fixing plate and a ball screw assembly II according to an embodiment of the present disclosure;

fig. 4 is a schematic diagram of a partially enlarged structure at a in fig. 3 according to an embodiment of the present disclosure;

fig. 5 is a schematic top-view structural diagram of a fixing plate and a superstructure thereof according to an embodiment of the present disclosure;

fig. 6 is a schematic structural view of a connection relationship between the guide sleeve I, the guide rod I and the clamping plate according to the embodiment of the present application.

In the figure: 10-supporting the auxiliary assembly; 110-a base; 120-vertical telescoping mechanism; 121-a servo motor; 122-a sleeve; 123-loop bar; 124-ball screw pair I; 125-ball screw nut pair I; 126-screw rod; 127-a nut; 130-a mobile lifting mechanism; 131-a fixed plate; 132-moving the clamp; 1321-ball screw pair II; 1322-ball screw nut pair II; 1323-gear; 1324-gear belt; 1325-hand wheel; 1326-guide sleeve I; 1327-guide bar I; 1328-a clamping plate; 133-angle adjustment; 140-a stop; 141-vertical plates; 142-guide sleeve II; 143-leader II; 144-a fixture block; 145-a spring; 146-briquetting; 20-a puncture assembly; 210-a hub body; 220-needle body.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1, the present application provides an intracardiac clinical intraoperative lancing apparatus including a support assist assembly 10 and a lancing assembly 20.

Wherein, puncture assembly 20 can quick clamping on supporting auxiliary assembly 10, and supporting auxiliary assembly 10 is convenient for adjust the clamping position of puncture needle according to not co-altitude sick bed and the fat thin patient of difference, also is convenient for carry out quick adjustment fixedly to puncture needle male angle, can also stably impel the puncture needle to treating the puncture position, and puncture stability is higher, and the puncture in-process has reduced that medical personnel hold the puncture needle for a long time and has caused the probability that the hand trembled the influence puncture result.

Referring to fig. 1, 2, 3, 4, 5, and 6, the auxiliary supporting assembly 10 includes a base 110, a vertical telescopic mechanism 120 and a movable lifting mechanism 130, the upper end and the lower end of the vertical telescopic mechanism 120 are respectively connected to the movable lifting mechanism 130 and the base 110, the vertical telescopic mechanism 120 includes a servo motor 121, a sleeve 122 and a sleeve rod 123, the bottom end of the sleeve 122 is fixed to the upper surface of the base 110, the sleeve rod 123 is slidably sleeved in the sleeve 122, the servo motor 121 is mounted on the outer wall of the sleeve 122, and the output end of the servo motor is connected to a ball screw pair I124 through a coupling, specifically, a motor frame is mounted on the outer wall of the servo motor 121 through a screw, and the motor frame is fixed to the outer wall of the sleeve 122 through a screw. The outer wall of the ball screw pair I124 is rotatably connected with a ball screw nut pair I125, the outer wall of the ball screw nut pair I125 is fixedly connected with the outer wall of the sleeve rod 123, specifically, the outer wall of the ball screw nut pair I125 is connected with a connecting block through a screw, and the connecting block and the outer wall of the sleeve rod 123 are integrally designed. The movable lifting mechanism 130 is arranged at the upper end of the loop bar 123.

Remove lifting mechanism 130 and include fixed plate 131 and removal holder 132, fixed plate 131 articulates to loop bar 123 upper end through the round pin axle, angle modulation 133 is installed jointly on fixed plate 131 and loop bar 123 upper portion, remove holder 132 and set up the upper surface at fixed plate 131, puncture subassembly 20 includes needle file body 210 and needle body 220, needle file body 210 realizes fixing and removing by removing holder 132, needle body 220 installs and fixes in needle file body 210 one end.

In this embodiment, the angle adjusting member 133 is an arc-shaped plate, an arc-shaped groove is formed in the arc-shaped plate in a penetrating manner, one end of the angle adjusting member 133 is fixedly connected to the fixing plate 131, and specifically, the arc-shaped plate and one end of the lower surface of the fixing plate 131 are integrally formed. The upper portion of the loop bar 123 is fixedly connected with a screw 126, and specifically, the screw 126 and the upper portion of the loop bar 123 are designed in an integrated manner. Screw 126 activity sets up in the arc wall, it compresses tightly in the nut 127 of arc to have the activity to peg graft on screw 126, the antiskid rubber packing ring in the arc is hugged closely to the inherent activity of powerful gluing in the week side of nut 127, wherein, the angle of puncturing as required, rotatory fixed plate 131 is adjusted needle body 220 to suitable angle department after, utilize the compressing tightly cooperation relation of nut 127 and arc indirect with the specific rigidity of needle body 220, utilize the stability that the nut 127 compressed tightly that can further increase of the settlement of antiskid rubber packing ring simultaneously.

In this embodiment, the movable clamping member 132 includes two ball screw pairs II1321 and two ball screw nut pairs II1322, two sides of the two ball screw pairs II1321 are rotatably connected with bearing seats, the bearing seats are fixedly connected with the upper surface of the fixing plate 131, specifically, the bearing seats are fixed on the upper surface of the fixing plate 131 by screws, and the inner rings of the bearing seats are designed to be in interference fit with the ball screw pairs II 1321. Two ball screw nut pairs II1322 rotate respectively and connect on the ball screw pair II1321 that corresponds, and two ball screw nut pairs II1322 still connect with fixed plate 131 upper surface cunning, and is concrete, and the vice II1322 outer wall of ball screw nut has the slide bar through the screw connection, and the slide rail with slide bar looks adaptation is seted up to the fixed plate 131 upper surface. All be connected with gear 1323 on two ball screw pair II1321, specifically, gear 1323 and ball screw pair II1321 integrated into one piece design. Two gears 1323 are in transmission connection with a gear belt 1324 together, the end of one of the ball screw pairs II1321 is connected with a hand wheel 1325, in the puncturing process, the hand wheel 1325 is rotated by hands to drive one of the ball screw pairs II1321 to rotate, the gear 1323 connected to the upper portions of the two ball screw pairs II1321 is in transmission connection with the gear belt 1324 together, so that the two ball screw nut pairs II1322 can move back and forth by rotating the one ball screw pair II1321, the needle body 220 is indirectly slowly sent towards the clavicle position of a patient and inserted into the chest to extract effusion, and the inserting stability and the inserting accuracy of the inserting needle are higher.

Two ball screw nut pair II1322 opposite sides all have guide pin bushing I1326 through screw connection, all the cover is equipped with guide arm I1327 in the guide pin bushing I1326, all install the tightening bolt on two guide pin bushings I1326, the screw with tightening bolt looks adaptation is seted up to the equidistance on guide arm I1327, two guide arm I1327's opposite side all has grip block 1328 through screw connection, grip block 1328 is the V-arrangement, make things convenient for centre gripping needle file body 210, two grip block 1328's opposite side all is through the inherent anti-skidding rubber pad I of powerful sticky, two anti-skidding rubber pad I activities compress tightly in needle file body 210 outer wall, wherein, utilize tightening bolt to tighten in the screw hole that corresponds according to the external diameter of pjncture needle file body 210, make needle file body 210 fixed by two grip block 1328 centre gripping, utilize two anti-skidding rubber pad I's design can increase needle file body 210 by the fixed stability of centre gripping simultaneously.

In this embodiment, the fixing plate 131 is further provided with a limiting member 140, the limiting member 140 includes a vertical plate 141, a guide sleeve II142 and a guide rod II143, the vertical plate 141 is connected to the upper surface of the fixing plate 131 by a screw, the guide sleeve II142 is connected to the vertical plate 141 by a screw, the guide rod II143 is sleeved in the guide sleeve II142, the guide rod II143 is provided with a sliding cavity, a fixture block 144 slides in the sliding cavity, and specifically, the sliding cavity and the fixture block 144 are both T-shaped. The spring 145 is welded between the clamping block 144 and the sliding cavity, the side wall of the guide sleeve II142 is provided with insertion holes matched with the clamping block 144 in pairs, the outer end of the guide rod II143 is connected with a pressing block 146 capable of movably extruding the hand wheel 1325 through a screw, the inner wall of the pressing block 146 is firmly attached to the anti-skid rubber pad II of the hand wheel 1325 through strong glue, in the application, after the pressing block is inserted to the liquid accumulation position, the hand wheel 1325 is not rotated, the pressing block 146 is quickly pressed to be separated from the corresponding insertion hole and the guide rod II143 is pulled out or pushed outwards, when the pressing block 146 is aligned with the new insertion hole, the pressing block 146 is inserted with the new insertion hole through the self restoring force of the spring 145, at the moment, the anti-skid rubber pad II on the inner side of the pressing block 146 is quickly attached to the peripheral side of the hand wheel 1325, the concept of self rotation in the liquid extraction process of the hand wheel 1325 is reduced, so that the medical care personnel are not required to continuously and indirectly hold up the puncture needle, the tiredness degree of the medical care personnel is reduced, the safety of puncture is also improved, and the influence on puncture caused by hand shaking in the process of holding by medical staff is reduced.

Referring to fig. 1 and 5, the puncture assembly 20 includes a hub body 210 and a needle body 220, the hub body 210 is fixed and moved by the movable clamping member 132, and the needle body 220 is fixed at one end of the hub body 210. The communication relationship between the needle body 220 and the needle seat body 210 is the prior art, and is not described herein again.

The operating principle of the puncture device in the clinical operation of the department of cardiology:

in the included angle between two bundles of muscles of the sternocleidomastoid muscle sternum head and the clavicle head, the 1cm position below the peak and the 1mm position outside the artery are needle feeding points, the needle seat body 210 is clamped and fixed by two clamping plates 1328 by screwing a bolt on the corresponding screw hole according to the outer diameter of the puncture needle seat body 210, the stability of clamping and fixing the needle seat body 210 can be improved by the design of two anti-skid rubber pads I, the ball screw pair I124 is directly driven to rotate by the servo motor 121 according to the puncture height position of the clavicle of a patient on a sickbed, the loop bar 123 is indirectly driven to synchronously move up and down along with the ball screw nut pair I125, so that the needle body 220 indirectly clamped on the movable lifting mechanism 130 can be adjusted and moved to the correct position, and then the fixed plate 131 is rotated to adjust the needle body 220 to the proper angle according to the puncture angle required, the specific position of the needle body 220 is indirectly fixed by the compression fit relationship between the nut 127 and the arc plate, in the process of puncture, a hand wheel 1325 is rotated by hand to drive one of the ball screw pair II1321 to rotate, a gear belt 1324 is jointly transmitted on a gear 1323 connected with the upper parts of the two ball screw pair II1321, so that the two ball screw nut pair II1322 are moved back and forth by rotating the one ball screw pair II1321, the needle body 220 is indirectly and slowly sent towards the clavicle position of a patient and inserted into the chest to extract accumulated liquid, the stability and the accuracy of inserting the inserting needle are higher, after the needle body is inserted into the accumulated liquid position, the hand wheel 1325 is not rotated, the press block 146 is quickly pressed to be separated from the corresponding insertion hole and the guide rod II143 is pulled out or pushed out, when the press block 146 is aligned with the new insertion hole, the press block 146 is inserted into the new insertion hole by the self restoring force of the spring 145, at the moment, the anti-skid rubber gasket II on the inner side of the press block 146 is quickly attached to the peripheral side of the hand wheel 1325, the concept of self rotation in the process of liquid extraction of the hand wheel 1325 is reduced, therefore, medical staff are not needed to continuously hold the puncture needle indirectly, the fatigue degree of the medical staff is reduced, the puncture safety is also improved, and the influence on the puncture caused by shaking hands in the process of holding the medical staff is reduced.

It should be noted that the specific model specifications of the fixing plate 131, the servo motor 121, the nut 127, the gear 1323, the spring 145 and the fixture block 144 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the servo motor 121 and its principle will be clear to a person skilled in the art and will not be described in detail here.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The puncture device for clinical operation in cardiology department is characterized by comprising

Support auxiliary assembly (10), support auxiliary assembly (10) including base (110) and vertical telescopic machanism (120) and remove lifting mechanism (130), the lower extreme is connected to respectively on vertical telescopic machanism (120) remove lifting mechanism (130) with on base (110), vertical telescopic machanism (120) include servo motor (121), sleeve (122) and loop bar (123), sleeve (122) bottom with base (110) upper surface is fixed, and loop bar (123) slip cap locate in sleeve (122), servo motor (121) install in on sleeve (122) outer wall and its output is connected with ball screw pair I (124), ball screw pair I (124) outer wall rotates and is connected with ball screw nut pair I (125), ball screw nut pair I (125) with loop bar (123) outer wall fixed connection, the movable lifting mechanism (130) is arranged at the upper end of the loop bar (123), the movable lifting mechanism (130) comprises a fixed plate (131) and a movable clamping piece (132), the fixed plate (131) is hinged to the upper end of the loop bar (123), an angle adjusting piece (133) is jointly installed on the upper portions of the fixed plate (131) and the loop bar (123), and the movable clamping piece (132) is arranged on the upper surface of the fixed plate (131);

puncture set (20), puncture set (20) include needle file body (210) and needle body (220), needle file body (210) by it realizes fixing and removing to remove holder (132), needle body (220) installation is fixed needle file body (210) one end.

2. The intracardiac clinical intraoperative puncture device according to claim 1, characterized in that the angle adjustment member (133) is embodied as an arc-shaped plate, an arc-shaped slot is opened through the arc-shaped plate, and one end of the angle adjustment member (133) is fixedly connected to the fixed plate (131).

3. The intracardiac clinical intraoperative puncture device according to claim 2, characterized in that a screw (126) is fixedly connected to the upper portion of the loop bar (123), the screw (126) is movably arranged in an arc-shaped groove.

4. The intracardiac clinical intraoperative puncture device according to claim 3, characterized in that a nut (127) which is movably pressed against the arc-shaped plate is screwed on the screw (126), and an anti-slip rubber washer which is movably tightly attached to the arc-shaped plate is glued on the periphery of the nut (127).

5. The intracardiac clinical intraoperative puncture device according to claim 1, characterized in that the movable clamps (132) each comprise two ball screw pairs II (1321) and two ball screw nut pairs II (1322), wherein bearing seats are rotatably connected to both sides of the two ball screw pairs II (1321), and the bearing seats are fixedly connected with the upper surface of the fixed plate (131).

6. The intracardiac clinical intraoperative puncture device according to claim 5, wherein two ball screw nut pairs II (1322) are rotatably connected to the corresponding ball screw pair II (1321), respectively, and the two ball screw nut pairs II (1322) are also in sliding contact with the upper surface of the fixed plate (131).

7. The intracardiac clinical intraoperative puncture device according to claim 6, characterized in that a gear (1323) is connected to each of the two ball screw pairs II (1321), the two gears (1323) are jointly in transmission connection with a gear belt (1324), and a handwheel (1325) is connected to one end of one of the ball screw pairs II (1321).

8. The intracardiac clinical intraoperative puncture device according to claim 7, characterized in that a guide sleeve I (1326) is connected to each of the two ball screw nut pairs II (1322), and a guide rod I (1327) is sleeved in each guide sleeve I (1326).

9. The intracardiac clinical intraoperative puncture device according to claim 8, wherein tightening bolts are mounted on both the guide sleeves I (1326), screw holes matched with the tightening bolts are equidistantly formed in the guide rods I (1327), clamping plates (1328) are connected to the opposite sides of both the guide rods I (1327), anti-skid rubber pads I are cemented to the opposite sides of both the clamping plates (1328), and the two anti-skid rubber pads I are movably pressed against the outer wall of the needle holder body (210).

10. The intracardiac clinical intraoperative puncture device according to claim 9, wherein a stopper (140) is further disposed on the fixed plate (131), the stopper (140) comprises a vertical plate (141), a guide sleeve II (142) and a guide rod II (143), the vertical plate (141) is connected to the upper surface of the fixed plate (131), the guide sleeve II (142) is connected to the vertical plate (141), the guide rod II (143) is sleeved in the guide sleeve II (142), a sliding cavity is disposed on the guide rod II (143), a clamping block (144) slides in the sliding cavity, a spring (145) is connected between the clamping block (144) and the sliding cavity, insertion holes adapted to the clamping block (144) are pairwise disposed on the side wall of the guide sleeve II (142), and a pressing block (146) which movably presses the hand wheel (1325) is connected to the outer end of the guide rod II (143), and an anti-skid rubber pad II which is movably attached to the hand wheel (1325) is adhered to the inner wall of the pressing block (146).