CN117653295A - Auxiliary puncture device for heart chest surgery clinic - Google Patents

Abstract

The invention relates to the technical field of auxiliary puncture in thoracic surgery, in particular to an auxiliary puncture device for clinical use in thoracic surgery. The invention provides a heart chest surgery clinical auxiliary puncture device which can move along with a patient and is high in safety. The invention opens and closes through the rotation of the second sliding rail and the contact plate, so that the second sliding rail is contacted with the contact plate and the back of a patient is contacted with the upper arm, the first sliding rail is contacted with the skin on the chest of the patient, the patient is fixed, the patient is prevented from being disturbed by the puncture needle to puncture the wrong position in the process of puncture and liquid extraction, the medical accident is caused, the safety is high, the sliding plate is moved to a liquid extraction point, the second threaded rod is rotated to drive the moving block, the contact block and the extrusion block to move, the extrusion block extrudes and fixes the first sliding rail, the contact block extrudes the second fixed plate to drive the two clamping plates to move in opposite directions to clamp the puncture needle, and the puncture is moved to perform puncture and liquid extraction operation on the patient.

Description

Auxiliary puncture device for heart chest surgery clinic

Technical Field

The invention relates to the technical field of auxiliary puncture in thoracic surgery, in particular to an auxiliary puncture device for clinical use in thoracic surgery.

Background

Puncture, a term commonly used in medicine, is a diagnosis and treatment technology that a puncture needle is used for puncturing a body cavity to extract secretion for testing, gas or contrast agent is injected into the body cavity for contrast examination, or medicine is injected into the body cavity. The puncture is aimed at blood sampling and testing, blood transfusion, transfusion and catheter-embedded angiography, etc. Thoracocentesis refers to the operation of puncturing the pleural cavity with a sterilized needle through the skin, intercostal tissue, and parietal pleural puncture. In clinical work of pulmonary department, thoracocentesis is a relatively common and convenient and simple diagnostic and therapeutic method.

For example, patent application publication No. CN113576623B, publication No. 2023-02-28, relates to a thoracic surgical puncture assistance device based on a fixed, protective, integrated structure. The device comprises a laminating contact device, wherein supporting and adjusting devices are symmetrically arranged on the left side and the right side of the laminating contact device, and a sliding fixing device is arranged at the position, close to the middle, of the upper side of the laminating contact device; the laminating contact device includes the laminating fixed block that two relative settings, and support adjusting device includes strutting arrangement, and the one end of strutting arrangement upside is equipped with slider, and one side of slider, strutting arrangement's upside are equipped with position control device, and strutting arrangement's bottom is equipped with clamping device, and slide fixing device includes the fixed slide of upper end, and the bottom of the fixed slide of upper end is close to the position in center and is equipped with fixed articulated post.

Because above-mentioned patent is fixed on the sick bed, and fixed position is comparatively stiff, and the puncture operation is local anesthesia, can not guarantee that the patient can not receive external influence at all in the puncture process and remove the health, and then causes the puncture needle to stab wrong patient's health position easily, causes the medical malpractice, and the security is lower.

In view of the foregoing, there is a strong need for a clinical auxiliary puncturing device for cardiothoracic surgery that can move along with the patient and has high safety, so as to solve the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects that the fixed position is stiff and can not move along with a patient and the safety is low in the above patent, the invention needs to solve the technical problems that: provides a clinical auxiliary puncture device for cardiothoracic surgery, which can move along with a patient and has high safety.

An auxiliary puncture device for heart chest surgery clinic comprises two first sliding rails; the second sliding rail is rotationally arranged at the lower part of the first sliding rail in a bilateral symmetry manner; the contact plate is rotationally arranged between two similar second sliding rails in a bilateral symmetry manner, and the first sliding rail, the second sliding rail and the contact plate are connected in an annular shape; the sliding plate is arranged on the first sliding rail in a sliding manner, and the sliding plate can slide on the second sliding rail; the first fixing plate is symmetrically connected between the two sliding plates front and back; the clamping plate is arranged at the upper part of the sliding plate in a sliding manner; the first elastic piece is connected to the clamping plate in a winding mode, and the other end of the first elastic piece is connected with the sliding plate.

As a further preferable scheme, the device also comprises a rotating assembly with a rotating opening function, wherein the rotating assembly comprises a fixed block, and the second sliding rail and the contact plate outer ring which are connected to the front side; the rotating rod is rotatably arranged at the lower parts of the front sides of the first sliding rail and the second sliding rail; the first threaded rod is connected to the lower end of the rotating rod; and the third sliding rail is arranged on the first threaded rod in a threaded mode and is connected with the fixed block in a sliding mode.

As a further preferable scheme, the clamping plate further comprises a fixing component with a fixing function, wherein the fixing component comprises a second fixing plate which is connected with the opposite ends of the two clamping plates; the third fixed plate is connected to the front side surface of the first fixed plate at the front side of the sliding plate; the second threaded rod is rotatably arranged on the third fixed plate; the moving block is arranged on the second threaded rod in a threaded mode and is connected with the third fixed plate in a sliding mode; the contact block is connected to the moving block in a bilateral symmetry mode and is contacted with the second fixed plate; and the extrusion block is connected to the rear side of the moving block and is in contact extrusion with the first sliding rail.

As a further preferable scheme, the device also comprises a measuring component with a measuring function, wherein the measuring component comprises a placing frame which is connected with the upper side surface of the first fixed plate at the front side of the sliding plate; the rotating shaft is rotatably arranged on the placing frame; the partition board is connected in the placing frame; one end of the measuring ruler is connected to the rotating shaft in a winding manner, the other end of the measuring ruler is positioned outside the placing frame, and the measuring ruler is positioned on the left side of the partition plate; the magnetic block is connected to the other end of the measuring ruler, which is positioned outside the placing frame, and can be attracted with a part of the puncture needle, which is made of iron; and the micro-coil spring is wound on the rotating shaft, and the other end of the micro-coil spring is connected with the partition plate.

As a further preferable scheme, the novel clamping plate further comprises a labor-saving assembly with a labor-saving function, the labor-saving assembly comprises eight fourth fixing plates, and the eight fourth fixing plates are evenly connected with the inner rings of the two clamping plates; the sliding block is arranged on the fourth fixed plate in a sliding manner; the pulley is connected between two adjacent sliding blocks; the connecting plate is connected between the two fourth fixing plates in the middle of the inner ring of the clamping plate; the second elastic piece is connected to one side surface, far away from the pulley, of the fourth fixing plate, and the other end of the second elastic piece is connected with the sliding block.

As a further preferable scheme, the device also comprises an inflation assembly with an inflation function, wherein the inflation assembly comprises an electric air pump which is arranged on the front side surface of the contact plate; the air bag is connected with the first sliding rail, the second sliding rail and the inner ring of the contact plate, and the electric air pump is connected with the air bag; and the connecting pipe is connected between the two adjacent air bags.

As a further preferred embodiment, the rear side of the contact block is cut with a bevel, which is in contact engagement with the second fixing plate.

As a further preferred embodiment, the first elastic member is provided as a spring and is initially in a stretched state.

As a further preferable scheme, the rear end of the extrusion block is made of rubber.

As a further preferable scheme, the pulley is connected with an annular plate, and the annular plate is made of rubber, so that friction force can be increased when the pulley is in contact with the syringe, and displacement of the syringe from a liquid suction point is prevented, so that medical accidents are caused.

Compared with the prior art, the invention has the following advantages:

1. the invention opens and closes through the rotation of the second sliding rail and the contact plate, so that the second sliding rail is contacted with the contact plate and the back of a patient is contacted with the upper arm, the first sliding rail is contacted with the skin on the chest of the patient, the patient is fixed, the patient is prevented from being disturbed by the puncture needle to puncture the wrong position in the process of puncture and liquid extraction, the medical accident is caused, the safety is high, the sliding plate is moved to a liquid extraction point, the second threaded rod is rotated to drive the moving block, the contact block and the extrusion block to move, the extrusion block extrudes and fixes the first sliding rail, the contact block extrudes the second fixed plate to drive the two clamping plates to move in opposite directions to clamp the puncture needle, and the puncture is moved to perform puncture and liquid extraction operation on the patient.

2. According to the invention, the magnetic block is attracted to the part of the puncture needle made of iron, and the puncture needle moves and drives the magnetic block to move, so that the measuring ruler is lengthened, the micro-coil spring is compressed, and when the rear magnetic block is separated from the puncture needle, the measuring ruler is restored under the acting force of the micro-coil spring, so that the accuracy in the process of puncture liquid suction operation can be improved, and the safety in operation is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the skateboard, the first fixing plate and the splint according to the present invention.

Fig. 3 is a schematic perspective view of a first sliding rail, a second sliding rail and a contact plate according to the present invention.

Fig. 4 is an enlarged perspective view of the rotating assembly of the present invention.

Fig. 5 is a schematic perspective view of the first sliding rail, the second sliding rail and the contact plate according to the present invention.

Fig. 6 is a schematic perspective view of a fixing assembly according to the present invention.

Fig. 7 is a schematic perspective view of a first sliding rail and a first fixing plate according to the present invention.

Fig. 8 is a schematic perspective view of a measuring assembly according to the present invention.

Fig. 9 is a schematic perspective view of the skateboard, the first fixing plate and the splint according to the present invention.

Fig. 10 is a partially enlarged perspective view of the labor saving assembly of the present invention.

Fig. 11 is an enlarged perspective view of the labor saving assembly of the present invention.

FIG. 12 is a schematic perspective view of an inflatable module according to the present invention.

Wherein: the device comprises a first sliding rail, a second sliding rail, a 3-contact plate, a 4-sliding plate, a 5-first fixed plate, a 6-clamping plate, a 7-first elastic piece, an 8-rotating component, a 801-fixed block, a 802-third sliding rail, a 803-rotating rod, a 804-first threaded rod, a 9-fixed component, a 901-second fixed plate, a 902-third fixed plate, a 903-second threaded rod, a 904-moving block, a 905-contact block, a 906-extrusion block, a 10-measuring component, a 1001-placing frame, a 1002-rotating shaft, a 1003-measuring ruler, a 1004-magnetic block, a 1005-micro-coil spring, a 1006-partition plate, a 11-labor-saving component, a 1101-fourth fixed plate, a 1102-pulley, a 1103-connecting plate, a 1104-second elastic piece, a 1105-sliding block, a 12-inflating component, a 1201-electric air pump, a 1202-air bag and a 1203-connecting pipe.

Detailed Description

The invention will be further illustrated by the following description of specific examples, which are given by the terms such as: setting, mounting, connecting are to be construed broadly, and may be, for example, fixed, removable, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Examples: 1-6, the auxiliary puncture device for clinical use in cardiothoracic surgery comprises a first sliding rail 1, a second sliding rail 2, a contact plate 3, a sliding plate 4, a first fixing plate 5, a clamping plate 6 and a first elastic piece 7, wherein the number of the first sliding rails 1 is two; the utility model provides a bilateral symmetry rotation formula is equipped with second slide rail 2 in first slide rail 1 lower part, bilateral symmetry rotation formula is equipped with contact plate 3 between two second slide rails 2 that are close, first slide rail 1, second slide rail 2 and contact plate 3 are connected and are annular, slide on the first slide rail 1 is equipped with slide 4, slide 4 can slide on second slide rail 2, the front and back symmetry welds between two slide 4 has first fixed plate 5, slide 4 upper portion slidingtype is equipped with splint 6, the round joint has first elastic component 7 on splint 6, the first elastic component 7 other end is connected with slide 4, first elastic component 7 sets up to the spring, and be in tensile state initially, press from both sides the pjncture needle clamp through moving splint 6, can fix the direction that the pjncture needle removed, prevent the drawing liquid point deviation of pjncture needle.

As shown in fig. 3-4, the portable medical device further comprises a rotating assembly 8 with a rotating opening function, the rotating assembly 8 comprises a fixed block 801, a third sliding rail 802, a rotating rod 803 and a first threaded rod 804, the fixed block 801 is welded on the outer ring of the second sliding rail 2 and the outer ring of the contact plate 3, the rotating rod 803 is arranged on the lower portion of the front side of the first sliding rail 1 and the lower portion of the front side of the second sliding rail 2, the first threaded rod 804 is welded on the lower end of the rotating rod 803, the third sliding rail 802 is arranged on the first threaded rod 804 in a threaded mode, the third sliding rail 802 is connected with the fixed block 801 in a sliding mode, the fixed block 801 moves along the third sliding rail 802 through the rotating of the rotating rod 803 and the first threaded rod 804, and then the second sliding rail 2 and the contact plate 3 are opened so as to be fixed on a patient for operation.

As shown in fig. 5-6, the fixing assembly 9 with a fixing function is further included, the fixing assembly 9 includes a second fixing plate 901, a third fixing plate 902, a second threaded rod 903, a moving block 904, a contact block 905 and an extrusion block 906, one end, opposite to the second fixing plate 901, of each of the two clamping plates 6 is welded with the second fixing plate 901, the front side surface of the first fixing plate 5 on the front side of the sliding plate 4 is welded with the third fixing plate 902, the third fixing plate 902 is rotatably provided with the second threaded rod 903, the second threaded rod 903 is threadably provided with the moving block 904, the moving block 904 is slidably connected with the third fixing plate 902, the contact block 905 is welded on the moving block 904 in a bilateral symmetry manner, the contact block 905 is in contact with the second fixing plate 901, an inclined plane is cut on the rear side of the contact block 905, the inclined plane is in contact fit with the second fixing plate 901, the extrusion block 906 is connected with the rear side of the extrusion block 906, the rear end of the extrusion block 906 is made of a rubber threaded rod 903, the second threaded rod 903 drives the contact block 905 and the extrusion block 906, and the extrusion block 905 is in contact with the extrusion block 1, and the second clamping plate 905 is in contact with the extrusion block 905, and the second clamping plate 6 is in opposite direction to the second fixing plate 6.

When the patient needs to be subjected to puncture and liquid suction operation, firstly, the patient sits on the bed in half, the medical staff rotates the rotating rod 803 and drives the first threaded rod 804 to rotate, the first threaded rod 804 drives the third sliding rail 802 to move towards the rotating rod 803, so that the fixed block 801 moves and drives the corresponding second sliding rail 2 and the corresponding contact plate 3 to rotate and open, after that, the device is placed on the upper half of the patient, the rotating rod 803 is reversely rotated and drives the first threaded rod 804 to rotate, the first threaded rod 804 drives the third sliding rail 802 and the fixed block 801 to reset, the fixed block 801 drives the corresponding second sliding rail 2 and the corresponding contact plate 3 to rotate and close, the second sliding rail 2 and the corresponding contact plate 3 are respectively contacted with the back of the patient and the upper arm, the first sliding rail 1 is contacted with the skin on the chest of the patient, the patient is completely laid on the bed with the help of the medical staff, the puncture needle is placed between the two clamping plates 6, by rotating the second threaded rod 903, the second threaded rod 903 drives the moving block 904, the extruding block 906 and the contact block 905 to move forward, the extruding block 906 extrudes the first sliding rail 1 to fix, the contact block 905 extrudes the second fixing plate 901, the second fixing plate 901 drives the two clamping plates 6 to move oppositely to clamp the puncture needle, the first elastic piece 7 adaptively deforms, the medical staff aim at the thoracic cavity of the patient to move downwards to puncture and extract the pleural effusion of the patient, after the puncture and liquid suction operation is completed, the medical staff reversely operates to take down the puncture needle according to the content, so that the first sliding rail 1, the second sliding rail 2 and the contact plate 3 are opened to be separated from contact with the thoracic cavity, the upper arm and the back of the patient respectively, and the sliding plate 4 can slide on the first sliding rail 1 and the second sliding rail 2, so that the device can move the clamping plate 6 according to the patient liquid suction position, the puncture needle is convenient to fix.

As shown in fig. 7-8, the measuring assembly 10 with the measuring function is further included, the measuring assembly 10 comprises a placing frame 1001, a rotating shaft 1002, a measuring ruler 1003, a magnetic block 1004, a micro-coil spring 1005 and a partition plate 1006, the placing frame 1001 is connected to the upper side face of the first fixing plate 5 on the front side of the plate 4, the rotating shaft 1002 is rotatably arranged on the placing frame 1001, the partition plate 1006 is welded in the placing frame 1001, one end of the measuring ruler 1003 is wound on the rotating shaft 1002, the other end of the measuring ruler 1003 is located outside the placing frame 1001, the measuring ruler 1003 is located on the left side of the partition plate 1006, the magnetic block 1004 is welded on the other end of the measuring ruler 1003 located outside the placing frame 1001, the magnetic block 1004 can be attracted with a part made of iron on a puncture needle, the micro-coil spring 1005 is wound on the rotating shaft 1002, the other end of the micro-coil spring 1005 is connected with the partition plate 1006, the measuring ruler 1003 can measure the downward moving length of the puncture needle, and the puncture accuracy of the puncture needle is guaranteed.

In the process of puncturing and drawing liquid, medical staff clings the magnetic block 1004 to the puncture needle, because the magnetic block 1004 and the puncture needle are magnetically attracted to realize fixation, the medical staff downwards moves the puncture according to the numerical value on the measuring scale 1003 to perform puncturing and drawing liquid operation on a patient, the puncture needle downwards moves and drives the magnetic block 1004 to move, the magnetic block 1004 drives the measuring scale 1003 to move and stretch, the measuring scale 1003 drives the rotating shaft 1002 to rotate, the rotating shaft 1002 drives the micro-coil spring 1005 to deform, after the puncturing and drawing liquid function is completed, the medical staff takes the magnetic block 1004 off the puncture needle, the magnetic block 1004 is loosened, the micro-coil spring 1005 is restored to the original state, and the magnetic block 1004, the measuring scale 1003 and the rotating shaft 1002 are reset under the acting force of the micro-coil spring 1005.

As shown in fig. 9-11, the labor-saving assembly 11 with the labor-saving function is further included, the labor-saving assembly 11 comprises a fourth fixing plate 1101, pulleys 1102, a connecting plate 1103, second elastic members 1104 and sliding blocks 1105, the number of the fourth fixing plates 1101 is eight, eight fourth fixing plates 1101 are averagely connected to the inner rings of two clamping plates 6, the sliding blocks 1105 are arranged on the fourth fixing plates 1101 in a sliding mode, the pulleys 1102 are welded between the two adjacent sliding blocks 1105, annular plates are connected to the pulleys 1102, the annular plates are made of rubber, friction force can be increased when the annular plates are in contact with a syringe, the syringe is prevented from shifting and deviating from a liquid suction point, medical accidents are caused, a connecting plate 1103 is connected between the two fourth fixing plates 1101 in the middle of the inner rings of the clamping plates 6, one side face, away from the pulleys 1102, of the second elastic members 1104 are connected with the sliding blocks 1105, and the other ends of the second elastic members 1104 are connected with the sliding blocks 1102 when a puncture needle moves downwards, and the puncture needle is in contact with the pulleys 1102 and is extruded.

When the puncture and liquid suction operation is carried out, puncture needles are placed between two clamping plates 6, the puncture needles are in contact with the pulleys 1102, the pulleys 1102 are extruded by the puncture needles to drive the sliding blocks 1105 to move towards the clamping plates 6, the second elastic members 1104 are adaptively deformed, the pulleys 1102 are always in a rotating state in the downward moving process, after the puncture needles complete the puncture and liquid suction operation, medical staff upwards move the puncture needles to drive the pulleys 1102 to reversely rotate, the puncture needles are separated from the pulleys 1102, the second elastic members 1104 restore to the original state, and the pulleys 1102 and the sliding blocks 1105 are reset under the action force of the second elastic members 1104.

As shown in fig. 12, the inflatable device further comprises an inflatable device 12 with an inflatable function, the inflatable device 12 comprises an electric air pump 1201, an air bag 1202 and a connecting pipe 1203, the electric air pump 1201 is installed on the front side surface of the contact plate 3, the air bag 1202 is connected to the inner ring of the first sliding rail 1, the inner ring of the second sliding rail 2 and the inner ring of the contact plate 3, the electric air pump 1201 are connected with the air bag 1202, the connecting pipe 1203 is connected between two adjacent air bags 1202, the electric air pump 1201 is started to convey air to the air bag 1202 through the connecting pipe 1203 to expand, and the air bag 1202 is contacted with a patient to be fixed to the patient.

When the patient is in between first slide rail 1, second slide rail 2 and contact plate 3, medical personnel are through starting electronic air pump 1201, and electronic air pump 1201 passes through connecting pipe 1203 and carries gas to gasbag 1202, along with gaseous transport gasbag 1202 can slowly expand get up with patient skin contact, after medical personnel close electronic air pump 1201 can, above-mentioned operating content can be adjusted according to different patient's physique, realizes fixed patient's effect, prevents that the patient from appearing moving in disorder at puncture drawing liquid in-process and leading to the pjncture needle to shift, causes the medical malpractice.

The technical principles of the embodiments of the present invention are described above in connection with specific embodiments. The description is only intended to explain the principles of the embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will recognize other embodiments of the present invention without undue burden, and those ways that are within the scope of the present invention.

Claims (10)

1. An auxiliary puncture device for heart chest surgery clinic comprises first sliding rails (1), wherein the number of the first sliding rails (1) is two; the second sliding rail (2) is rotationally arranged at the lower part of the first sliding rail (1) in a bilateral symmetry manner; the contact plate (3) is symmetrically arranged between the two second sliding rails (2) in a left-right symmetry way, and the first sliding rail (1), the second sliding rails (2) and the contact plate (3) are connected in a ring shape; the sliding plate (4) is arranged on the first sliding rail (1) in a sliding manner, and the sliding plate (4) can slide on the second sliding rail (2); the first fixing plate (5) is symmetrically connected between the two sliding plates (4) in front-back mode; the clamping plate (6) is arranged at the upper part of the sliding plate (4) in a sliding manner; the first elastic piece (7) is wound on the clamping plate (6), the other end of the first elastic piece (7) is connected with the sliding plate (4), and the clamping plate (6) is used for clamping the puncture needle.

2. The auxiliary puncture device for clinical use in cardiothoracic surgery according to claim 1, further comprising a rotating assembly (8) having a rotating opening function, wherein the rotating assembly (8) comprises a fixed block (801), and the second slide rail (2) and the outer ring of the contact plate (3) are connected to the front side; the rotating rod (803) is rotatably arranged at the lower parts of the front sides of the first sliding rail (1) and the second sliding rail (2); a first threaded rod (804) connected to the lower end of the rotating rod (803); the third sliding rail (802) is arranged on the first threaded rod (804), the third sliding rail (802) is connected with the fixed block (801) in a sliding mode, and the third sliding rail (802) is used for opening the first sliding rail (1) and the second sliding rail (2).

3. The auxiliary puncture device for clinical use in cardiothoracic surgery according to claim 2, further comprising a fixing assembly (9) having a fixing function, wherein the fixing assembly (9) comprises a second fixing plate (901) connected to opposite ends of the two clamping plates (6); a third fixing plate (902) connected to the front side of the first fixing plate (5) on the front side of the slide plate (4); a second threaded rod (903) rotatably disposed on the third fixing plate (902); the moving block (904) is arranged on the rear side of the moving block (904) in a threaded mode, and the moving block (904) is connected with the third fixed plate (902) in a sliding mode; a contact block (905) which is connected to the moving block (904) in a bilateral symmetry manner, the contact block (905) being in contact with the second fixed plate (901); the extrusion piece (906) is connected to the rear end of the second threaded rod (903), the extrusion piece (906) is in contact extrusion with the first sliding rail (1), and the extrusion piece (906) is used for extruding the first sliding rail (1) and the second sliding rail (2) and keeping the stability of the puncture needle during operation.

4. A heart and chest surgery clinical auxiliary puncture device according to claim 3, further comprising a measuring assembly (10) with a measuring function, wherein the measuring assembly (10) comprises a placing frame (1001) connected to the upper side surface of the first fixing plate (5) on the front side of the sliding plate (4); a rotating shaft (1002) rotatably arranged on the placement frame (1001); a separator 1006 connected to the inside of the housing 1001; one end of the measuring ruler (1003) is wound on the rotating shaft (1002), the other end of the measuring ruler (1003) is positioned outside the placing frame (1001), the measuring ruler (1003) is positioned on the left side of the partition plate (1006), and the measuring ruler (1003) is used for guaranteeing the accuracy of the puncture needle during operation; the magnetic block (1004) is connected to the other end of the measuring ruler (1003) which is positioned outside the placement frame (1001), and the magnetic block (1004) can be attracted with a part of the puncture needle which is made of iron; and the micro-coil spring (1005) is wound on the rotating shaft (1002), and the other end of the micro-coil spring (1005) is connected with the partition plate (1006).

5. The auxiliary puncture device for clinical use in cardiothoracic surgery according to claim 4, further comprising a labor-saving assembly (11) having a labor-saving function, wherein the labor-saving assembly (11) comprises a fourth fixing plate (1101), the number of the fourth fixing plates (1101) is eight, and the eight fourth fixing plates (1101) are connected with the inner rings of the two clamping plates (6) on average; a slider (1105) slidably disposed on the fourth fixed plate (1101); the pulley (1102) is connected between the two adjacent sliding blocks (1105), and the pulley (1102) is used for saving more labor when the puncture needle moves; a connecting plate (1103) connected between the two fourth fixing plates (1101) in the middle of the inner ring of the clamping plate (6); and the second elastic piece (1104) is connected to one side surface, far away from the pulley (1102), of the fourth fixed plate (1101), and the other end of the second elastic piece (1104) is connected with the sliding block (1105).

6. The auxiliary puncture device for clinical use in cardiothoracic surgery according to claim 5, further comprising an inflation assembly (12) having an inflation function, wherein the inflation assembly (12) comprises an electric air pump (1201) and is mounted on the front side surface of the contact plate (3); an air bag (1202) connected to the first sliding rail (1), the second sliding rail (2) and the inner ring of the contact plate (3), wherein the electric air pump (1201) is connected with the air bag (1202), and the air bag (1202) is used for fixing a patient; a connecting pipe (1203) connected between the two adjacent air bags (1202).

7. A clinical auxiliary puncturing device for cardiothoracic surgery as claimed in claim 6, wherein said contact block (905) is cut at the rear side thereof with a bevel which is in contact engagement with said second fixing plate (901).

8. A heart thoracic surgery clinical auxiliary penetration device as claimed in claim 7, wherein said first elastic member (7) is provided as a spring and is initially in a stretched state.

9. The auxiliary puncture device for clinical use in cardiothoracic surgery according to claim 8, wherein the rear end of said pressing block (906) is made of rubber.

10. The auxiliary puncture device for cardiothoracic surgery according to claim 9, wherein the pulley (1102) is connected with an annular plate made of rubber, which can increase friction force when contacting the syringe, and prevent the syringe from being displaced from the liquid suction point, thereby causing medical accidents.