A multifunctional auxiliary device for clinical use in thyroid surgery

By designing a multifunctional auxiliary device with a movable ring and airbag to disperse traction force, the problem of tissue ischemia and plastic deformation caused by existing muscle traction devices is solved, achieving tissue protection and rapid healing.

CN122296972APending Publication Date: 2026-06-30ZHUCHENG PEOPLES HOSPITAL

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHUCHENG PEOPLES HOSPITAL
Filing Date
2026-05-14
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing muscle traction devices can cause tissue ischemia, hypoxia, and irreversible plastic deformation due to concentrated traction force during thyroid surgery, increasing the risk of postoperative complications.

Method used

A multifunctional auxiliary device was designed. Through a rotatable movable ring and multiple sets of traction components, the drive mechanism intermittently rotates forward and backward to change the stress point of the incision tissue, and the airbag disperses the traction force to avoid local tissue damage.

Benefits of technology

It effectively avoids local tissue ischemia, hypoxia, and plastic deformation, reduces the risk of mechanical damage, promotes postoperative healing, and ensures blood supply and tissue activity.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of medical device technology and discloses a multifunctional auxiliary device for thyroid surgery, comprising: a base; a tension band; a binding block; a base component connected to the binding block, the base component including a fixed ring and a movable ring, the fixed ring being connected to the binding block, the movable ring being rotatably mounted on top of the fixed ring, and the movable ring being coaxial with the fixed ring; traction components, with several sets of traction components mounted on the movable ring; and a drive mechanism. By setting a rotatable movable ring and multiple sets of traction components, during surgery, the drive mechanism drives the movable ring to rotate intermittently in both directions, causing several rotating rods to intermittently change positions at the incision site, thereby continuously changing the stress points of the incision tissue. This allows tissues in different areas to take turns bearing the traction force and receiving blood perfusion, effectively avoiding local tissue ischemia, hypoxia, and plastic deformation caused by stress concentration in traditional traction devices, significantly protecting tissue activity, and promoting postoperative healing.
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Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a multifunctional auxiliary device for clinical use in thyroid surgery. Background Technology

[0002] In the field of thyroid surgery, obtaining a clear surgical field and convenient operating space are crucial prerequisites for ensuring surgical success and promoting rapid postoperative recovery. Currently, in general surgical procedures such as thyroid surgery, muscle traction devices are commonly used clinically to expose the lesion for resection. These devices are usually inserted through the surgical incision, using physical traction to stretch and fix the muscle tissue at the incision site to both sides, thereby establishing a subcutaneous operating channel.

[0003] However, existing muscle traction devices have significant technical shortcomings in practical applications. Their traction force is often highly concentrated, acting on a single point or a small area of ​​the incision tissue. This localized force application easily leads to a series of tissue damage problems: First, the area of ​​tissue under continuous pressure remains under high stress for an extended period, obstructing local microcirculation and causing tissue ischemia and hypoxia, resulting in visible darkening of the compressed tissue during surgery; second, since tissue tolerance is closely related to its blood supply, prolonged ischemia significantly reduces tissue activity and postoperative healing ability; finally, continuous stress concentration can also cause irreversible "plastic deformation" or mechanical damage to the tissue in this area, increasing the risk of postoperative complications and hindering the patient's rapid recovery. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a multifunctional auxiliary device for clinical use in thyroid surgery, which aims to evenly distribute traction force and avoid local tissue ischemia and plastic damage.

[0005] The objective of this invention can be achieved through the following technical solutions: A multifunctional auxiliary device for clinical use in thyroid surgery, comprising a base plate, the device further comprising: A base, which is fixed to a base plate, and a telescopic component is installed on the base. The output end of the telescopic component is provided with a tension rod. The tension belt is connected end to end, and two sets of through holes are provided on the base. The tension belt passes through the two sets of through holes respectively, forming two sets of belt loops. The tension rod passes through one set of belt loops. A binding block, which is movably fitted onto another set of loops on the tension belt; A base component is attached to the binding block. The base component includes a fixed ring and a movable ring. The fixed ring is connected to the binding block, and the movable ring is rotatably mounted on the top of the fixed ring. The movable ring and the fixed ring are coaxial. The traction component includes a movable rod, a fixed rod, and a rotating rod. The movable rod passes horizontally through the movable ring. A fixed rod is provided at one end of the movable rod located inside the movable ring. A rotating rod is rotatably installed at the bottom of the fixed rod. An airbag is installed around the rotating rod. The drive mechanism includes several sets of drive mechanisms installed between the traction member and the fixed ring, which are used to drive the rotating rod to rotate.

[0006] As a further aspect of the present invention: an incomplete toothed ring is provided around the movable ring, a driving component is installed on the fixed ring, and a gear is provided at the output end of the driving component, the gear meshing with the incomplete toothed ring.

[0007] As a further embodiment of the present invention: a rotating ring is rotatably installed around the movable ring, the rotating ring having a plurality of arc-shaped holes, a limiting rod being provided on the movable rod, the limiting rod passing through the arc-shaped holes, a plurality of insertion holes being provided on the rotating ring, and an insertion rod being installed on the movable ring, the insertion rod being inserted into one of the insertion holes.

[0008] As a further embodiment of the present invention: the driving mechanism includes a movable plate, an arc-shaped guide rail, a sealing box, and adjusting components. The sealing box is fixed to the bottom of the fixed ring. The movable plate movably passes through the sealing box. One end of the movable plate is provided with an arc-shaped guide rail. The arc-shaped guide rail is made of flexible material. The rotating rod passes through the arc-shaped guide rail. Two sets of adjusting components are symmetrically installed on the side of the arc-shaped guide rail facing the sealing box. Both sets of adjusting components are connected to the sealing box.

[0009] As a further embodiment of the present invention: a piston plate is provided around the movable plate, the piston plate is in contact with the inner wall of the sealing box, a rack is provided on the inner side of the arc-shaped guide rail, a second gear is provided around the rotating rod, the second gear meshes with the rack, an arc-shaped limiting groove is provided on the arc-shaped guide rail, a connecting rod is provided on the movable rod, one end of the connecting rod extends into the limiting groove, the adjusting component includes a sealing cylinder and a piston rod, the sealing cylinder is fixed to the side of the movable plate, the piston rod is movably installed in the sealing cylinder, one end of the piston rod is fixed on the arc-shaped guide rail, and a conduit is provided at the other end of the sealing cylinder, the other end of the conduit communicating with the inner cavity of the sealing box.

[0010] As a further aspect of the present invention: the airbag is a hollow cylinder, and two sets of partitions are symmetrically arranged on the outer side of the inner layer of the airbag. A flexible spacer strip is connected between the partitions and the outer side of the airbag. Several sets of one-way valves are installed on the partitions, and the one-way valves on the two sets of partitions face opposite directions.

[0011] As a further embodiment of the present invention: the fixing ring is provided with an adjusting rod, the binding block is provided with a groove, a locking member is installed in the groove, the groove includes two sets of symmetrical movable grooves and one set of rotating grooves, the locking member includes a circular toothed block and two sets of clamping plates, the circular toothed block is rotatably installed in the rotating groove and is fixed to one end of the adjusting rod, the clamping plate is movably installed in the movable groove, one side of the clamping plate is provided with a locking plate, the locking plate locks the circular toothed block, and an elastic member connects the clamping plate and the movable groove.

[0012] As a further embodiment of the present invention: a mounting plate is provided on one side of the base plate, the mounting plate is fixedly installed on the operating table, two sets of shoulder pads are symmetrically installed on the base plate, two sets of guide grooves are also symmetrically provided on the base plate, and two sets of L-shaped guide plates are symmetrically provided on the binding block, the guide plates are fitted into the guide grooves.

[0013] The beneficial effects of this invention are: (1) In this invention, by setting a rotatable movable ring and multiple sets of traction components, the movable ring is driven to rotate intermittently in both directions during the operation, thereby driving several rotating rods to change positions intermittently at the incision site, thereby continuously changing the stress points of the incision tissue, so that the tissues in different areas take turns to bear the traction force and receive blood perfusion in turn, effectively avoiding local tissue ischemia, hypoxia and plastic deformation caused by stress concentration in traditional traction devices, significantly protecting tissue activity and promoting postoperative healing; (2) In this invention, a drive mechanism is used. When the movable ring rotates, the meshing action of gear two and rack drives the rotating rod to rotate, so that rolling friction is formed between the rotating rod and the cut tissue instead of sliding friction, which greatly reduces the risk of mechanical damage to the inner wall of the cut. At the same time, through the linkage design of the arc-shaped guide rail, sealing box and adjusting parts, the curvature of the arc-shaped guide rail can be automatically adjusted with the change of the radial position of the rotating rod, ensuring that the drive mechanism always maintains a precise fit with the rotating rod, and improving the stability and reliability of the device operation. (3) In this invention, the airbag is set as a hollow cylinder and two sets of partitions with one-way valves are symmetrically arranged inside the airbag, so that the airbag is divided into two chambers. When the rotating rod moves, the chamber in contact with the incision is pressurized, and the gas flows to the other chamber through the one-way valve. This not only achieves pressure buffering and dispersion at the contact point and avoids high pressure damage, but also the heat generated by the gas during the reciprocating transmission can maintain the local temperature of the incision, prevent blood vessels from pathologically contracting due to the low temperature surgical environment, and help maintain cell enzyme activity and normal metabolic repair ability, so as to achieve precise hemostasis during the operation and rapid healing after the operation. Attached Figure Description

[0014] The invention will now be further described with reference to the accompanying drawings.

[0015] Figure 1 This is a schematic diagram of the invention installed on an operating table; Figure 2 This is a schematic diagram of the overall structure of the present invention; Figure 3 This is a schematic diagram of the binding block and base component structure in this invention; Figure 4 This is a schematic diagram of the locking component and the base component in this invention; Figure 5 This is a schematic diagram of the traction component structure in this invention; Figure 6 This is a schematic diagram of the overall structure of the drive mechanism in this invention; Figure 7 This is a schematic diagram of the connection structure between the traction component and the drive mechanism in this invention; Figure 8 This is a schematic diagram of the airbag structure in this invention; Figure 9 This is a schematic diagram of the internal structure of the airbag in this invention.

[0016] In the picture: 1. Base plate; 2. Base; 21. Perforation; 22. Telescopic component; 23. Tension rod; 3. Tension belt; 4. Binding block; 41. Groove; 411. Movable groove; 412. Rotating groove; 42. Locking component; 421. Circular toothed block; 422. Clamping plate; 423. Card plate; 424. Elastic component; 5. Base component; 51. Fixed ring; 511. Adjusting rod; 512. Driving component; 513. Gear 1; 52. Movable ring; 521. Insert rod; 522. Incomplete toothed ring; 53. Rotating ring; 531. Arc-shaped hole; 532. Insertion hole; 6. Traction component; 61. Movable rod; 611. Limiting rod; 612. Connecting rod; 62. Fixing rod; 63. Rotating rod; 64. Airbag; 641. Partition plate; 642. Spacer bar; 643. One-way valve; 7. Drive mechanism; 71. Movable plate; 711. Piston plate; 72. Arc-shaped guide rail; 721. Rack; 722. Gear II; 723. Limiting groove; 73. Sealing box; 74. Adjusting component; 741. Sealing cylinder; 742. Piston rod; 75. Conduit; 8. Guide plate; 9. Shoulder pad; 10. Mounting plate; 11. Guide groove. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] like Figures 1-5 As shown, a multifunctional auxiliary device for clinical use in thyroid surgery includes a base plate 1, and the device further includes: Base 2 is fixed on base plate 1. A telescopic component 22 is installed on base 2. The output end of telescopic component 22 is provided with a tension rod 23. The tension belt 3 is connected at both ends. The base 2 has two sets of through holes 21. The tension belt 3 passes through the two sets of through holes 21 respectively, forming two sets of belt loops. The tension rod 23 passes through one set of belt loops. Binding block 4 is movably fitted onto another set of loops on the tension belt 3; The base component 5 is connected to the binding block 4. The base component 5 includes a fixed ring 51 and a movable ring 52. The fixed ring 51 is connected to the binding block 4. The movable ring 52 is rotatably mounted on the top of the fixed ring 51. The movable ring 52 is coaxial with the fixed ring 51. The traction component 6 has several sets of traction components 6 installed on the movable ring 52. The traction component 6 includes a movable rod 61, a fixed rod 62 and a rotating rod 63. The movable rod 61 passes horizontally through the movable ring 52. The fixed rod 62 is provided at one end of the movable rod 61 located inside the movable ring 52. The rotating rod 63 is rotatably installed at the bottom of the fixed rod 62. An airbag 64 is installed around the rotating rod 63. Several sets of drive mechanisms 7 are installed between the drive mechanism 7, the traction member 6 and the fixed ring 51. The drive mechanism 7 is used to drive the rotating rod 63 to rotate.

[0019] The fixing ring 51 is provided with an adjusting rod 511. The binding block 4 has a groove 41. A locking element 42 is installed in the groove 41. The groove 41 includes two sets of symmetrical movable grooves 411 and one set of rotating grooves 412. The locking element 42 includes a circular toothed block 421 and two sets of clamping plates 422. The circular toothed block 421 is rotatably installed in the rotating groove 412 and is fixed to one end of the adjusting rod 511. The clamping plate 422 is movably installed in the movable groove 411. One side of the clamping plate 422 is provided with a locking plate 423, which locks the circular toothed block 421. An elastic element 424 is connected between the clamping plate 422 and the movable groove 411.

[0020] A mounting plate 10 is provided on one side of the base plate 1. The mounting plate 10 is fixedly installed on the operating table. Two sets of shoulder pads 9 are symmetrically installed on the base plate 1. Two sets of guide grooves 11 are also symmetrically provided on the base plate 1. Two sets of L-shaped guide plates 8 are symmetrically provided on the binding block 4. The guide plates 8 are fitted into the guide grooves 11.

[0021] The movable ring 52 is surrounded by an incomplete toothed ring 522, and a driving component 512 is installed on the fixed ring 51. The output end of the driving component 512 is provided with a gear 513, which meshes with the incomplete toothed ring 522.

[0022] In practical application, the patient lies on the operating table, and the base plate 1 is fixed to the operating table by the mounting plate 10. Then, the binding block 4 is placed under the patient's chin, and the two sets of guide plates 8 are placed in the two sets of guide grooves 11. At the same time, the patient's shoulders are pressed against the two sets of shoulder pads 9. Then, the telescopic component 22 is activated to retract, and the tensioning band 3 is pulled by the tensioning rod 23, so that the tensioning band 3 and the binding block 4 are tightened at the patient's chin. Then, the two sets of clamping plates 422 are moved in opposite directions to release the restriction on the circular toothed block 421. At this time, the adjusting rod 511 is rotated to make the fixing ring 51 rotate. At the same time, the length of the adjusting rod 511 is adjusted so that the fixing ring 51 is located at the cut site on the patient's neck. The two sets of clamping plates 422 are released. Under the rebound action of the two sets of elastic components 424, the circular toothed block 421 is locked, so that the position of the fixing ring 51 is fixed. Finally, several rotating rods 63 are inserted into the patient's incision to pull and support the incision. During the surgery, an external controller connected to the drive unit 512 controls the drive unit 512 to intermittently rotate forward and backward. Through the cooperation of gear 513 and the incomplete gear ring 522, the movable ring 52 intermittently rotates forward and backward. This causes several rotating rods 63 to intermittently change positions at the incision site (by setting the size of the incomplete gear ring 522, the movement range of the rotating rods 63 is within the incision length, preventing the rotating rods 63 from moving to the end of the incision and causing the incision size to expand). This continuously changes the force points at the incision site, allowing different tissue areas at the incision site to take turns bearing the traction force, receiving "rest" and blood perfusion in turn, effectively protecting the tissue at the incision site. Simultaneously, it prevents any one tissue at the incision site from being compressed for too long, ensuring blood supply to the entire incision site, thus ensuring better postoperative wound healing. Finally, by dispersing the traction force, it avoids postoperative spasms and stiffness caused by continuous strong stretching of a certain tissue, preventing tissue damage at the incision site, which is beneficial for better postoperative healing. By having the airbag 64 come into contact with the incision, the tissue at the incision site can be elastically buffered when it is stretched and pulled, further preventing the incision tissue from being compressed for too long; at the same time, when the rotating rod 63 moves inside the incision, the airbag 64 protects it from causing mechanical damage to the incision site.

[0023] like Figures 3-9 As shown, a rotating ring 53 is rotatably mounted on the periphery of the movable ring 52. Several arc-shaped holes 531 are opened on the rotating ring 53. A limiting rod 611 is provided on the movable rod 61. The limiting rod 611 passes through the arc-shaped holes 531. Several insertion holes 532 are also opened on the rotating ring 53. An insertion rod 521 is installed on the movable ring 52. The insertion rod 521 is inserted into one of the insertion holes 532.

[0024] In practical application, according to the size of the patient's incision, the rotating ring 53 is rotated. Through the cooperation of the arc-shaped hole 531 and the limiting rod 611, the rotating rods 63 move outward or close synchronously, thereby adjusting the position of the rotating rods 63 to adapt to incisions of different sizes. After adjustment, the insertion rod 521 is inserted into one of the insertion holes 532 to fix the position of the rotating ring 53, thereby fixing the position of the rotating rods 63 relative to the rotating ring 53.

[0025] Furthermore, the drive mechanism 7 includes a movable plate 71, an arc-shaped guide rail 72, a sealing box 73, and adjusting components 74. The sealing box 73 is fixed to the bottom of the fixing ring 51. The movable plate 71 moves through the sealing box 73. One end of the movable plate 71 is provided with an arc-shaped guide rail 72. The arc-shaped guide rail 72 is made of flexible material. The rotating rod 63 passes through the arc-shaped guide rail 72. Two sets of adjusting components 74 are symmetrically installed on the side of the arc-shaped guide rail 72 facing the sealing box 73. Both sets of adjusting components 74 are connected to the sealing box 73.

[0026] A piston plate 711 is provided around the movable plate 71, and the piston plate 711 fits against the inner wall of the sealing box 73. A rack 721 is provided on the inner side of the arc-shaped guide rail 72. A gear 722 is provided around the rotating rod 63, and the gear 722 meshes with the rack 721. An arc-shaped limiting groove 723 is provided on the arc-shaped guide rail 72. A connecting rod 612 is provided on the movable rod 61, and one end of the connecting rod 612 extends into the limiting groove 723. The adjusting component 74 includes a sealing cylinder 741 and a piston rod 742. The sealing cylinder 741 is fixed to the side of the movable plate 71, and the piston rod 742 is movably installed in the sealing cylinder 741. One end of the piston rod 742 is fixed on the arc-shaped guide rail 72, and the other end of the sealing cylinder 741 is provided with a conduit 75, and the other end of the conduit 75 communicates with the inner cavity of the sealing box 73.

[0027] In one embodiment, the arc-shaped guide rail 72 may be made of rubber or other flexible materials.

[0028] In practical application, when the movable ring 52 rotates forward and backward intermittently, several rotating rods 63 will also rotate forward and backward intermittently around the axis of the movable ring 52. Through the cooperation of gear 722 and rack 721, the rotating rods 63 will rotate clockwise and counterclockwise intermittently while rotating forward and backward around the axis of the movable ring 52. This makes the rotating rods 63 roll friction with the cut when moving along the cut, thereby further avoiding mechanical damage to the cut. When the rotating ring 53 adjusts the position of the adjusting rod 63, the connecting rod 612 and the limiting groove 723 work together to make the movable plate 71 move synchronously. When the rotating rod 63 moves into the movable ring 52, the movable plate 71 also moves into the movable ring 52. At this time, the piston plate 711 will squeeze the gas in the sealing box 73, so that the gas in the sealing box 73 enters the sealing cylinder 741 through the conduit 75. In this way, the gas in the sealing cylinder 741 will squeeze the piston rod 742, so that the piston rod 742 moves towards the sealing cylinder. When the cylinder 741 moves outward, the arc-shaped guide rail 72, being made of flexible material, will cause the arc of the arc-shaped guide rail 72 to decrease as the two sets of piston rods 742 move outward, thus reducing the radius of several arc-shaped guide rails 72 and accommodating the intermittent forward and reverse rotation of the rotating rod 63 around the axis of the movable ring 52. Conversely, when the rotating rod 63 moves outward toward the movable ring 52, the movable plate 71 will also move outward toward the movable ring 52, at which point the arc and radius of the arc-shaped guide rail 72 will increase, thus accommodating the intermittent forward and reverse rotation of the rotating rod 63 around the axis of the movable ring 52.

[0029] Furthermore, the airbag 64 is a hollow cylinder. Two sets of partitions 641 are symmetrically arranged on the outer side of the inner layer of the airbag 64. A flexible spacer strip 642 is connected between the partitions 641 and the outer side of the airbag 64. Several sets of one-way valves 643 are installed on the partitions 641, and the orientation of the several one-way valves 643 on the two sets of partitions 641 is opposite.

[0030] In one embodiment, the spacer 642 separates chamber a and chamber b, and its flexibility ensures that the gas in chamber a and chamber b can be normally exchanged when the airbag 64 is squeezed and deformed.

[0031] In practical application, when the rotating rod 63 rotates intermittently in both forward and reverse directions around the axis of the movable ring 52, taking the initial contact between the airbag 64 chamber a and the incision as an example, as the rotating rod 63 moves, chamber a gradually moves away from the incision, while chamber b gradually moves closer to the incision. At this time, the gas in chamber b will be compressed and enter chamber a through several one-way valves 643. This can further prevent the contact point between the airbag 64 and the incision from being in a high-pressure state, thereby avoiding damage to the incision and ensuring better healing of the incision after surgery. The chambers a and b within the balloon 64 intermittently come into contact with the incision. This allows the gas within chambers a and b to be transferred back and forth through several one-way valves 643. This gas transfer generates heat, resulting in a certain amount of heat on the surface of the balloon 64. When the balloon 64 comes into contact with the incision, this heat transfer reduces heat loss at the incision site, thus preventing vasoconstriction due to the low-temperature surgical environment and avoiding decreased cellular enzyme activity. This allows cells to function at the optimal temperature, maintaining normal metabolism and repair capabilities. While a low-temperature surgical environment may cause vasoconstriction, resulting in less bleeding, this is a pathological contraction. Once the incision temperature returns to normal, reactive vasodilation and bleeding may occur. By maintaining a temperature at the incision site higher than the low temperature of the surgical environment during surgery, the blood vessels can maintain their vasomotor function close to body temperature, facilitating precise hemostasis during the procedure.

[0032] Working principle: Before thyroid surgery, the base plate 1 is first fixed to the operating table by the mounting plate 10, and the patient's shoulder is placed against the two sets of shoulder pads 9. Then, the binding block 4 is placed under the patient's chin, and the two sets of guide plates 8 are inserted into the guide groove 11. The telescopic component 22 is activated to retract, and the tensioning band 3 is pulled by the tensioning rod 23, so that the tensioning band 3 slides and tightens in the perforation 21 of the base 2, thereby fixing the binding block 4 at the position of the patient's chin. Then, the two sets of clamping plates 422 are pulled to both sides, so that they compress the elastic element 424 and drive the clamping plate 423 to disengage from the circular toothed block 421. At this time, the adjusting rod 511 is rotated to rotate the fixing ring 51 to the incision position on the patient's neck. At the same time, the length of the adjusting rod 511 is adjusted so that the fixing ring 51 is aligned with the incision position. The clamping plate 422 is released, and the elastic element 424 rebounds, so that the clamping plate 423 re-clamps the circular toothed block 421, completing the positioning of the base component 5. According to the size of the patient's incision, rotate the ring 53. The arc-shaped hole 531 on the ring 53 pushes the limiting rod 611, which drives several movable rods 61 to move synchronously in the radial direction, thereby adjusting the distribution range of the rotating rods 63 to a suitable position. Then, insert the insertion rod 521 into the corresponding insertion hole 532 to lock the ring 53. Place several rotating rods 63 together with the air bag 64 into the surgical incision to provide traction support for the incision tissue. During the operation, the drive component 512 is controlled by an external controller to rotate intermittently in both directions. The drive component 512 drives the gear 513 to rotate. The gear 513, through meshing with the incomplete gear ring 522, drives the movable ring 52 to rotate intermittently in both directions. When the movable ring 52 rotates, it drives the traction component 6 to rotate intermittently in both directions around the axis of the movable ring 52, so that the rotating rod 63 continuously changes position within the incision, realizing the alternating switching of the traction point. Meanwhile, during the movement of the rotating rod 63, the outer gear 722 meshes with the rack 721 on the inner side of the arc-shaped guide rail 72, so that the rotating rod 63 rotates on its own axis while revolving around the movable ring 52, and the rotating rod 63 forms a rolling contact with the cut tissue. When the rotating rod 63 rotates, it drives the airbag 64 to move together. The airbag 64 is divided into two chambers by two sets of partitions 641 and spacers 642. One-way valves 643 facing opposite directions are installed on the partitions 641. When one chamber of the airbag 64 comes into contact with the incision and is compressed, the gas in that chamber is forced to flow through the one-way valve 643 to the other chamber, realizing the alternating inflation and deflation of the air chambers. The gas generates heat during the reciprocating flow, which raises the surface temperature of the airbag 64. The heat is transferred to the incision tissue to maintain the local temperature and prevent excessive vasoconstriction. The entire device operates continuously during the operation until the operation is completed.

Claims

1. A multifunctional auxiliary device for clinical use in thyroid surgery, comprising a base plate (1), characterized in that, The device further includes: The base (2) is fixed on the base plate (1), and a telescopic component (22) is installed on the base (2). The output end of the telescopic component (22) is provided with a tension rod (23). The tension band (3) is connected end to end. The base (2) has two sets of through holes (21). The tension band (3) passes through the two sets of through holes (21) respectively. The tension band (3) forms two sets of belt loops at this time. The tension rod (23) passes through one set of belt loops. Binding block (4), which is movably fitted onto another set of loops on the tension belt (3); The base component (5) is connected to the binding block (4). The base component (5) includes a fixed ring (51) and a movable ring (52). The fixed ring (51) is connected to the binding block (4). The movable ring (52) is rotatably mounted on the top of the fixed ring (51). The movable ring (52) is coaxial with the fixed ring (51). The traction component (6) is mounted on the movable ring (52) with several sets of traction components (6). The traction component (6) includes a movable rod (61), a fixed rod (62) and a rotating rod (63). The movable rod (61) passes horizontally through the movable ring (52). A fixed rod (62) is provided at one end of the movable rod (61) located inside the movable ring (52). A rotating rod (63) is rotatably mounted at the bottom of the fixed rod (62). An airbag (64) is installed around the rotating rod (63). A drive mechanism (7) is installed between the traction member (6) and the fixed ring (51). The drive mechanism (7) is used to drive the rotating rod (63) to rotate.

2. The multifunctional auxiliary device for clinical use in thyroid surgery according to claim 1, characterized in that, The movable ring (52) is surrounded by an incomplete toothed ring (522), and a driving component (512) is installed on the fixed ring (51). The output end of the driving component (512) is provided with a gear (513), and the gear (513) meshes with the incomplete toothed ring (522).

3. The multifunctional auxiliary device for clinical use in thyroid surgery according to claim 2, characterized in that, A rotating ring (53) is rotatably mounted on the periphery of the movable ring (52). The rotating ring (53) has several arc-shaped holes (531). A limiting rod (611) is provided on the movable rod (611). The limiting rod (611) passes through the arc-shaped holes (531). The rotating ring (53) also has several insertion holes (532). An insertion rod (521) is installed on the movable ring (52). The insertion rod (521) is inserted into one of the insertion holes (532).

4. The multifunctional auxiliary device for clinical use in thyroid surgery according to claim 3, characterized in that, The drive mechanism (7) includes a movable plate (71), an arc-shaped guide rail (72), a sealing box (73), and an adjusting component (74). The sealing box (73) is fixed to the bottom of the fixing ring (51). The movable plate (71) moves through the sealing box (73). One end of the movable plate (71) is provided with an arc-shaped guide rail (72). The arc-shaped guide rail (72) is made of flexible material. The rotating rod (63) passes through the arc-shaped guide rail (72). Two sets of adjusting components (74) are symmetrically installed on the side of the arc-shaped guide rail (72) facing the sealing box (73). Both sets of adjusting components (74) are connected to the sealing box (73).

5. The multifunctional auxiliary device for clinical use in thyroid surgery according to claim 4, characterized in that, The movable plate (71) is surrounded by a piston plate (711), which fits against the inner wall of the sealing box (73). The inner side of the arc-shaped guide rail (72) is provided with a rack (721). The outer side of the rotating rod (63) is provided with a gear (722), which meshes with the rack (721). The arc-shaped guide rail (72) is provided with an arc-shaped limiting groove (723). The movable rod (61) is provided with a connecting rod (612). 12) One end extends into the limiting groove (723). The adjusting component (74) includes a sealing cylinder (741) and a piston rod (742). The sealing cylinder (741) is fixed on the side of the movable plate (71). The piston rod (742) is movably installed inside the sealing cylinder (741). One end of the piston rod (742) is fixed on the arc-shaped guide rail (72). The other end of the sealing cylinder (741) is provided with a conduit (75). The other end of the conduit (75) communicates with the inner cavity of the sealing box (73).

6. The multifunctional auxiliary device for clinical use in thyroid surgery according to claim 5, characterized in that, The airbag (64) is a hollow cylinder. Two sets of partitions (641) are symmetrically arranged on the outer side of the inner layer of the airbag (64). A flexible spacer strip (642) is connected between the partition (641) and the outer side of the airbag (64). Several sets of one-way valves (643) are installed on the partition (641), and the one-way valves (643) on the two sets of partitions (641) are oriented in opposite directions.

7. The multifunctional auxiliary device for clinical use in thyroid surgery according to claim 1, characterized in that, The fixing ring (51) is provided with an adjusting rod (511), and the binding block (4) is provided with a groove (41). A locking element (42) is installed in the groove (41). The groove (41) includes two sets of symmetrical movable grooves (411) and a set of rotating grooves (412). The locking element (42) includes a circular tooth block (421) and two sets of clamping plates (422). The circular tooth block (421) is rotatably installed in the rotating groove (412), and the circular tooth block (421) is fixed to one end of the adjusting rod (511). The clamping plate (422) is movably installed in the movable groove (411). One side of the clamping plate (422) is provided with a card plate (423). The card plate (423) clamps the circular tooth block (421). An elastic element (424) is connected between the clamping plate (422) and the movable groove (411).

8. The multifunctional auxiliary device for clinical use in thyroid surgery according to claim 1, characterized in that, The base plate (1) is provided with an installation plate (10) on one side. The installation plate (10) is fixedly installed on the operating table. Two sets of shoulder pads (9) are symmetrically installed on the base plate (1). Two sets of guide grooves (11) are also symmetrically provided on the base plate (1). Two sets of L-shaped guide plates (8) are symmetrically provided on the binding block (4). The guide plates (8) are fitted into the guide grooves (11).