Space dilator for oral endoscopic thyroid surgery

Abstract

The invention discloses a space dilator for an oral endoscopic thyroid surgery, and relates to the technical field of medical apparatus and instruments, the space dilator comprises an oral cavity internal dilation assembly, and under the cooperation of the oral cavity internal dilation assembly, a flexible guide tube and a magnetic rotating ring, under the cooperation of a miniature pressure integrated detection sensor, the oral cavity internal dilation assembly and the flexible guide tube are connected with the magnetic rotating ring; the pressure of the expansion adjusting assembly on the tissue is monitored in real time and automatically fed back so as to be used for adjusting the strength and avoiding excessive compression, the positioning navigation edge connecting piece ensures that the position of the edge connecting sliding soft bag is accurate, follow-up medical operation is facilitated, and the frequency and amplitude of ultrasonic waves generated by the micro ultrasonic generator are utilized so that the operation efficiency can be improved. The displacement magnetic lantern ring piece is controlled to drive the magnetic rotating ring to move outside the flexible guiding pipe, the expansion adjusting assembly is made to synchronously and sequentially make the size be adjusted in a sliding mode along the outer portion of the sleeve according to the size from large to small, the influence on a patient due to the inaccurate expansion position during space expansion is effectively reduced, and the patient experience is improved. And the operation requirements and comfort are met.

Description

Technical Field

[0001] The invention relates to the technical field of medical instruments, in particular to a space expander for transoral laparoscopic thyroid surgery. Background Art

[0002] Thyroid disease is a common and frequently occurring disease, especially in young women. Surgery is one of the ultimate cures for this disease, and it is also the most commonly used and effective method. Laparoscopic thyroid surgery has completely changed this situation. While curing the disease, it makes the wound tiny and hidden, taking into account the advantages of safe removal of thyroid lesions and beauty. It is now being carried out more and more widely.

[0003] However, in the prior art, during the use of the space expander for thyroid surgery, traditional open surgery requires leaving a surgical scar about 6 to 8 cm long on the neck, which leaves a strong psychological shadow on the patients and seriously affects their daily life, study and work. Although there are existing medical operations performed from the oral cavity or the mandible, when using the space expander, it enters from the oral cavity, and there is interference with the internal structure of the oral cavity during space expansion, so that when the space expands, the inaccurate expansion position affects the patient, resulting in the overall usability being unable to meet the operational requirements. Therefore, it is necessary to propose a space expander for transoral laparoscopic thyroid surgery. Summary of the invention

[0004] The purpose of the present invention is to provide a space expander for transoral laparoscopic thyroid surgery to solve the problem that the above-mentioned background technology proposes to perform medical operations from the oral cavity or the lower jaw of the oral cavity, but when using the space expander, entering from the oral cavity, there is interference with the internal structure of the oral cavity during space expansion, so that when the space expands, the inaccurate expansion position affects the patient, resulting in the overall usability failing to meet the operational requirements.

[0005] To achieve the above object, the present invention provides the following technical solution: a space expander for transoral laparoscopic thyroid surgery, comprising:

[0006] The oral cavity expansion component is installed on the outside of the sleeve and is used to expand and support the human mouth and tongue when entering the oral cavity to ensure the stability of the medical operation;

[0007] The expansion adjustment component is sequentially slidably sleeved on the outside of the sleeve and is located at the side of the expansion component inside the oral cavity. The overall structure size is adjusted and installed according to the needs. When entering the neck from the pharynx, the formed working channel can be dynamically adjusted according to the internal structure of the pharynx and the neck;

[0008] A driving physiological saline ring is installed on the side of the flexible guide tube and is connected through a hydraulic pressure valve port provided on the side surface of the flexible guide tube to drive the magnetic rotating ring on the outer peripheral side thereof to rotate in a circumferential direction;

[0009] The half ring teeth are magnetically connected to the outside of the magnetic rotating ring and are used to drive the meshing thick rotating teeth to rotate;

[0010] The miniature integrated pressure detection sensor is installed inside the edge-jointed lubricating bladder in the expansion and adjustment component to monitor the pressure of the expansion and adjustment component on the tissue in real time and automatically adjust the force to avoid excessive compression.

[0011] Preferably, the expansion adjustment component includes:

[0012] A hollow swivel gear, an arc groove and a central sliding groove tube. The hollow swivel gear is penetrated and connected by the central sliding groove tube and is slidably connected on the outer circumference of the sleeve. The arc groove is equally divided and arranged on the surface of the hollow swivel gear. The top of the hollow swivel gear and the half-side teeth of the thick swivel gear form a meshing connection.

[0013] Preferably, the outer sleeve of the central sliding groove tube is connected with a sliding adjustment groove frame, and the interior of the sliding adjustment groove frame is slidably connected with a flexible push slide rod, and the side wall surface of the flexible push slide rod is fastened with an edge slide rod, and the edge slide rod is located in the inner sliding connection of the arc groove.

[0014] Preferably, the side end of the flexible propulsion slide rod is fastened with a positioning and navigation edge connector, the side of the positioning and navigation edge connector is used to fix the edge-connected sliding soft capsule, and a micro-processor embedded light is installed inside the edge-connected sliding soft capsule to facilitate lighting and convenient indication of subsequent medical operations after the channel is formed.

[0015] Preferably, a physiological saline injection tube and an ultrasonic position guide wire tube are respectively provided inside the flexible guide tube, the physiological saline injection tube runs on the side of the flexible guide tube, and the external sleeves of the physiological saline injection tube and the ultrasonic position guide wire tube are provided with displacement magnetic rings.

[0016] Preferably, the side end of the ultrasonic position guide wire tube is connected to a miniature ultrasonic generator, the displacement magnetic collar and the magnetic rotating ring form a magnetic connection, and the ultrasonic position guide wire tube controls the displacement magnetic collar to drive the movement of the magnetic rotating ring outside the flexible guide tube through the frequency and amplitude of the ultrasonic wave generated by the miniature ultrasonic generator, thereby allowing the expansion adjustment component to synchronously slide and adjust its position along the outside of the sleeve.

[0017] Preferably, the oral cavity expansion component comprises:

[0018] A sliding sleeve, an interpenetrating hole, a rotating link and a rotating magnetic connecting column. The sliding sleeve is sleeved with a sleeve and a flexible guide tube through the interpenetrating holes opened on the surface. The rotating link is symmetrically rotatably connected to the top and bottom of the sliding sleeve. The rotating link is magnetically connected to a side ferrule ring through the connected rotating magnetic connecting column.

[0019] Preferably, a sliding hollow frame is connected to the left and right ends of the edge collar ring, a hydraulic piston structure is installed inside the sliding hollow frame, the top and bottom of the hydraulic piston structure are fastened with extension rods, a flexible balloon is installed on the side end of the extension rod, the side end of the hydraulic piston structure is connected to a saline hydraulic conduit, the bottom end of the saline hydraulic conduit is connected to a two-way edge adapter guide, and the bottom end of the two-way edge adapter guide is connected to a saline pump through a pipeline.

[0020] Preferably, the side end of the sleeve is connected to a handheld operating structure, and a guide ring tube and an ultrasonic controller are respectively installed on the outside of the side end of the handheld operating structure, and an injection pointing valve tube is installed inside the guide ring tube. The top of the injection pointing valve tube is connected to a saline pump interface end, and the bottom end of the injection pointing valve tube is connected to a saline injection tube. The bottom of the guide ring tube is connected to a directional catheter, and a guide wire is inserted into the inside of the directional catheter. The guide wire is inserted into the inside of the flexible guide tube and forms contact with the internal front end of the flexible guide tube, the ultrasonic controller and the miniature ultrasonic generator form a signal connection, and a bottom hoop frame is installed outside the directional catheter, and the bottom hoop frame is tightly connected to the bottom wall surface of the front end tube body of the handheld operating structure.

[0021] Preferably, a rounded lighting end is connected to the side end of the sleeve, and a high-definition camera end is embedded in the front end of the rounded lighting end.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. In the present invention, with the cooperation of the expansion component inside the oral cavity, when the expansion and adjustment component needs to be operated, physiological saline is injected through the physiological saline injection tube, which drives the physiological saline ring to rotate through the internal fan blade force, and then synchronously drives the magnetic rotating ring to rotate circumferentially. When the magnetic rotating ring rotates, the semi-ring teeth connected by the magnetic connection are rotated at the same time again, and then the rotation property of the semi-ring teeth is used to rotate the meshing thick rotating teeth, so as to realize the meshing rotation of the hollow rotating ring gear in the expansion and adjustment component. Through the rotation of the hollow rotating ring gear, the arc groove opened on the surface rotates synchronously, so that the edge sliding inside the arc groove is The rod is adjusted along the groove track, thereby driving the fastened flexible propulsion slide rod located inside the sliding adjustment groove frame to form a gentle expansion according to the controllable adjustable injection volume of the physiological saline, so that the positioning navigation side connection drives the side-connected sliding soft bladder to contact the patient's throat, and with the cooperation of the micro-pressure integrated detection sensor, it monitors the pressure of the expansion adjustment component on the tissue in real time, and automatically feeds back to adjust the force to avoid excessive compression. The positioning navigation side connection ensures the accurate position of the side-connected sliding soft bladder, which is convenient for the lighting and indication of subsequent medical operations. A micro-processor embedded light is installed inside the side-connected sliding soft bladder to provide lighting and indication, thereby improving visibility and ease of operation during surgery.

[0024] 2. In the present invention, the flexible guide tube enters the pharynx through the expansion component inside the oral cavity under the cooperation of the flexible guide tube, the saline injection tube, the ultrasonic position guide wire tube, the displacement magnetic collar and the magnetic rotating ring, and the saline injection tube and the ultrasonic position guide wire tube respectively run on the sides of the flexible guide tube, and the adjustment of the expansion adjustment component can be stopped and operated at an appropriate position according to the movement of the displacement magnetic collar and the magnetic rotating ring, that is, the displacement magnetic collar is sleeved on the outside of the saline injection tube and the ultrasonic position guide wire tube, and the frequency and amplitude of the ultrasonic wave generated by the micro ultrasonic generator connected to the side end of the ultrasonic position guide wire tube are used to control the displacement magnetic collar to drive the magnetic rotating ring to move outside the flexible guide tube, and the expansion adjustment component is synchronously adjusted so that the size is slid along the outside of the sleeve from large to small, which effectively reduces the impact of the inaccurate expansion position on the patient during spatial expansion and meets the operation requirements and comfort.

[0025] 3. In the present invention, with the cooperation of the oral cavity expansion component, the rotating link is magnetically connected through the connected rotating magnetic connecting column and the side collar ring to ensure stability. When the subsequent treatment operation is carried out, the rotating link can drive the rotating magnetic connecting column and the side collar ring to form magnetic separation to avoid interference with the entry of subsequent medical devices. Secondly, when the oral cavity expansion component is located in the human body's mouth and tongue, the two-way side adapter guide and the physiological saline liquid pump are connected to distribute an appropriate amount of physiological saline to the hydraulic conduits connected on both sides and injected into the hydraulic piston structure, so that the hydraulic piston structure is affected by the physiological saline liquid pressure to push the top and bottom extension rods. The flexible balloon slides and extends inside the sliding hollow frame, so that the flexible balloon provides support and expansion inside the oral cavity. The flexible balloon and the above-mentioned edge-jointed slippery soft balloon are made of highly biocompatible materials to reduce stimulation and damage to tissues. At the same time, the surface of the flexible balloon is coated with a water-absorbent coating to facilitate the adsorption of secretory liquid produced when the oral cavity is expanded for a long time, thereby avoiding the influence of natural swallowing reaction on subsequent operations. The surface of the edge-jointed slippery soft balloon is coated with an oily smooth coating to facilitate the creation of an expansion channel without causing dry scratches on the internal cavity tissue of the throat by the edge-jointed slippery soft balloon, thereby causing infection and affecting the quality of medical care. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the space expander for transoral laparoscopic thyroid surgery according to the present invention from a main view;

[0027] Figure 2 It is a schematic structural diagram of another angle of the main body of the space expander for transoral laparoscopic thyroid surgery of the present invention;

[0028] Figure 3 It is a schematic diagram of the internal cross-sectional structure of the main body of the space expander for transoral laparoscopic thyroid surgery of the present invention;

[0029] Figure 4 It is a schematic structural diagram of an oral cavity expansion component in a space expander for transoral laparoscopic thyroid surgery according to the present invention;

[0030] Figure 5 It is a schematic diagram of the installation position structure of the expansion adjustment component in the space expander for transoral laparoscopic thyroid surgery of the present invention;

[0031] Figure 6 It is a schematic structural diagram of an oral cavity expansion component in a space expander for transoral laparoscopic thyroid surgery of the present invention;

[0032] Figure 7 It is a schematic diagram of the separated structure of the oral cavity expansion component in the space expander for transoral laparoscopic thyroid surgery of the present invention;

[0033] Figure 8 The invention is a space expander for transoral laparoscopic thyroid surgery. Figure 5 A schematic diagram of the structure enlarged at A;

[0034] Fig. 9 The invention is a space expander for transoral laparoscopic thyroid surgery. Figure 6 Schematic diagram of the enlarged structure at B.

[0035] In the figure: 1. Handheld operation structure; 2. Ultrasonic controller; 3. Guide ring tube; 4. Bottom hoop frame; 5. Intraoral expansion component; 51. Sliding sleeve frame; 52. Insertion hole; 53. Rotation link; 54. Side ring; 55. Sliding hollow frame; 56. Extension rod; 57. Flexible balloon; 58. Hydraulic piston structure; 59. Physiological saline hydraulic catheter; 590. Bidirectional side adapter guide; 6. Sleeve; 7. Flexible guide tube; 8. Expansion adjustment component; 81. Hollow swivel gear; 82. Arc groove; 83. Middle sliding groove Tube; 84, edge slide bar; 85, sliding adjustment slot frame; 86, flexible push slide bar; 87, positioning navigation edge connection; 88, edge connection slip bag; 9, directional catheter; 10, rounded lighting end; 11, high-definition camera end; 12, guide wire; 13, injection directional valve tube; 14, saline pump interface end; 15, displacement magnetic collar; 16, saline injection tube; 17, ultrasonic position guide wire tube; 18, driving saline ring; 19, hydraulic pressure valve port; 20, magnetic rotating ring; 21, semi-ring teeth; 22, semi-ring teeth. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In the present invention, reference is made to Figure 1-Figure 9 Shown: Space expander for transoral laparoscopic thyroid surgery, including:

[0038] The oral cavity expansion component 5 is sleeved and installed on the outside of the sleeve 6, and is used to expand and support the oral and tongue part of the human body when entering from the oral cavity, so as to ensure the stability of the medical operation;

[0039] The expansion adjustment component 8 is sequentially slidably sleeved on the outside of the sleeve 6 and is located at the side of the expansion component 5 inside the oral cavity. The size of the overall structure is adjusted and installed according to the needs. When entering the neck from the pharynx, the formed working channel can be dynamically adjusted according to the internal structure of the pharynx and the neck;

[0040] A driving physiological saline ring 18 is installed on the side of the flexible guide tube 7 and is connected through a hydraulic pressure valve port 19 provided on the side surface of the flexible guide tube 7 to drive a magnetic rotating ring 20 on the outer peripheral side thereof to rotate in a circumferential direction;

[0041] The semi-ring teeth 21 are magnetically connected to the outside of the magnetic rotating ring 20 and are used to drive the meshing thick rotating teeth 22 to rotate;

[0042] The micro pressure integrated detection sensor is installed inside the edge-jointed lubricating capsule 88 in the expansion and adjustment component 8 to monitor the pressure of the expansion and adjustment component 8 on the tissue in real time and automatically adjust the force to avoid excessive compression.

[0043] In the present invention, according to Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 As shown, the expansion adjustment component 8 includes:

[0044] The hollow swivel gear 81, the arc groove 82 and the central sliding groove tube 83, the hollow swivel gear 81 is penetrated and connected through the central sliding groove tube 83, and is located on the outer circumferential side of the sleeve 6 for sliding connection, the arc groove 82 is equally divided and arranged on the surface of the hollow swivel gear 81, and the top of the hollow swivel gear 81 and the half-side teeth of the thick rotating teeth 22 form a meshing connection.

[0045] The outer sleeve of the middle sliding groove tube 83 is connected with a sliding adjustment groove frame 85, and the interior of the sliding adjustment groove frame 85 is slidably connected with a flexible push slide rod 86. The side wall surface of the flexible push slide rod 86 is fastened with an edge slide rod 84, and the edge slide rod 84 is located and slidably connected inside the arc groove 82.

[0046] The side end of the flexible push slide 86 is fastened with a positioning navigation edge connector 87, and the side of the positioning navigation edge connector 87 is used to fix the edge-connected sliding soft capsule 88, and a micro-processor embedded light is installed inside the edge-connected sliding soft capsule 88 to facilitate lighting and convenient indication of subsequent medical operations after the channel is formed.

[0047] A physiological saline injection tube 16 and an ultrasonic position guide wire tube 17 are respectively arranged inside the flexible guide tube 7. The physiological saline injection tube 16 runs along the side of the flexible guide tube 7. The external parts of the physiological saline injection tube 16 and the ultrasonic position guide wire tube 17 are provided with a displacement magnetic ring 15.

[0048] The side end of the ultrasonic position guide wire tube 17 is connected to a miniature ultrasonic generator, and the displacement magnetic collar 15 and the magnetic rotating ring 20 form a magnetic connection. The ultrasonic position guide wire tube 17 controls the displacement magnetic collar 15 to drive the magnetic rotating ring 20 to move outside the flexible guide tube 7 by generating the frequency and amplitude of the ultrasonic wave through the miniature ultrasonic generator, thereby enabling the expansion adjustment component 8 to synchronously slide and adjust its position along the outside of the sleeve 6.

[0049] In a specific scheme, after the patient lies down under general anesthesia and raises his head, the whole device is disinfected, and the operator holds the whole device for preparation, then sets the intraoral expansion component 5 on the outside of the sleeve 6, inserts it through the patient's mouth, and places it in the human mouth and tongue for expansion support to ensure the stability of the medical operation, and then allows the flexible guide tube 7 to enter the pharynx through the intraoral expansion component 5, and the saline injection tube 16 and the ultrasonic position guide wire tube 17 are respectively run on the sides of the flexible guide tube 7, and the expansion adjustment component 8 can be adjusted to stop at the appropriate position according to the movement of the displacement magnetic ring 15 and the magnetic rotating ring 20. The operation is delayed and the displacement magnetic collar 15 is sleeved on the outside of the physiological saline injection tube 16 and the ultrasonic position guide wire tube 17. The micro ultrasonic generator connected to the side end of the ultrasonic position guide wire tube 17 is used to generate the frequency and amplitude of the ultrasonic wave, and the displacement magnetic collar 15 is controlled to drive the magnetic rotating ring 20 to move outside the flexible guide tube 7, and the expansion adjustment component 8 is synchronously adjusted in sequence so that the size is adjusted from large to small along the outside of the sleeve 6. The influence of the inaccurate expansion position on the patient during space expansion is effectively reduced, and the operation requirements and comfort are met. When the expansion adjustment component 8 needs to be operated, the physiological The saline injection tube 16 injects saline, which drives the saline ring 18 to rotate through the internal fan blade force, and then synchronously drives the magnetic rotating ring 20 to rotate in the circumferential direction. When the magnetic rotating ring 20 rotates, the semi-ring teeth 21 connected by the magnetic connection are rotated at the same time again, and then the rotation of the semi-ring teeth 21 is used to rotate the meshing thick rotating teeth 22, so as to realize the meshing rotation of the hollow rotating ring gear 81 in the expansion adjustment component 8. Through the rotation of the hollow rotating ring gear 81, the arc groove 82 opened on the surface rotates synchronously, and then the edge sliding rod 84 inside the arc groove 82 is adjusted along the groove track, so that The flexible push slide rod 86 that is fastened to the sliding adjustment slot frame 85 is driven to form a gentle expansion according to the controllable and adjustable injection volume of the physiological saline solution, so as to facilitate the positioning and navigation side connection 87 to drive the side connection slippery soft capsule 88 to contact the patient's throat, and with the cooperation of the micro-pressure integrated detection sensor, it monitors the pressure of the expansion adjustment component 8 on the tissue in real time, and automatically feeds back to adjust the force to avoid excessive compression. The positioning and navigation side connection 87 ensures the accurate position of the side connection slippery soft capsule 88, which is convenient for the lighting and indication of subsequent medical operations. A micro-processor embedded light is installed inside the side connection slippery soft capsule 88 to provide lighting and indication, thereby improving visibility and ease of operation during the operation.

[0050] In the present invention, according to Figure 6-Figure 8 As shown, the oral cavity expansion component 5 includes:

[0051] The sliding sleeve 51, the insertion hole 52, the rotating link 53 and the rotating magnetic connecting column. The sliding sleeve 51 is sleeved with the sleeve 6 and the flexible guide tube 7 respectively through the insertion hole 52 opened on the surface. The rotating link 53 is symmetrically rotatably connected to the top and bottom of the sliding sleeve 51. The rotating link 53 is magnetically connected to the edge ring 54 through the connected rotating magnetic connecting column.

[0052] The left and right ends of the side collar 54 are connected to a sliding hollow frame 55, and a hydraulic piston structure 58 is installed inside the sliding hollow frame 55. The top and bottom of the hydraulic piston structure 58 are fastened with an extension rod 56, and a flexible balloon 57 is installed on the side end of the extension rod 56. The side end of the hydraulic piston structure 58 is connected to a saline hydraulic conduit 59, and the bottom end of the saline hydraulic conduit 59 is connected to a two-way side adapter guide 590. The bottom end of the two-way side adapter guide 590 is connected to a saline pump through a pipeline.

[0053] In a specific solution, the sliding sleeve 51 is respectively sleeved on the sleeve 6 and the flexible guide tube 7 through the insertion hole 52 opened on the surface to ensure that the connection between the sliding sleeve 51 and the sleeve 6 and the flexible guide tube 7 is stable and reliable. Then, the rotating link 53 is firstly magnetically connected through the connected rotating magnetic connecting column and the side ring 54 to ensure stability. When the subsequent treatment operation is carried out, the rotating magnetic connecting column and the side ring 54 can be driven by the rotating link 53 to form a magnetic separation to avoid interference with the entry of subsequent medical devices. Secondly, when the oral expansion component 5 is located in the human body, the two-way side adapter guide 590 and the physiological saline pump are connected to distribute an appropriate amount of physiological saline to the hydraulic conduit 59 connected on both sides, and then injected into the hydraulic piston structure 58, so that The hydraulic piston structure 58 is affected by the pressure of the physiological saline solution to push the top and bottom extension rods 56 to slide and extend inside the sliding hollow frame 55, so that the flexible balloon 57 provides support and expansion inside the oral cavity. The flexible balloon 57 and the above-mentioned side-jointed slippery soft balloon 88 are both made of highly biocompatible materials to reduce stimulation and damage to tissues. At the same time, the surface of the flexible balloon 57 is coated with a water-absorbing coating to facilitate the adsorption of secretion liquid produced when the oral cavity is expanded for a long time, thereby avoiding the influence of natural swallowing reaction on subsequent operations. The surface of the side-jointed slippery soft balloon 88 is coated with an oily smooth coating to facilitate the creation of an expansion channel without causing dry scratches on the internal cavity tissue of the throat by the side-jointed slippery soft balloon 88, thereby causing infection and affecting the quality of medical treatment.

[0054] In the present invention, according to Figure 1-Figure 3As shown, the side end of the sleeve 6 is connected to the handheld operating structure 1, and the guide ring tube 3 and the ultrasonic controller 2 are respectively installed on the outside of the side end of the handheld operating structure 1, and the inside of the guide ring tube 3 is installed with an injection pointing valve tube 13, and the top of the injection pointing valve tube 13 is connected to the physiological saline pump interface end 14, and the bottom end of the injection pointing valve tube 13 is connected to the physiological saline injection tube 16, and the bottom of the guide ring tube 3 is connected to the directional catheter 9, and the inside of the directional catheter 9 is interspersed with a guide wire 12, and the guide wire 12 is interspersed in the inside of the flexible guide tube 7 and forms contact with the internal front end of the flexible guide tube 7, the ultrasonic controller 2 and the miniature ultrasonic generator form a signal connection, and the outside of the directional catheter 9 is provided with a bottom hoop frame 4, and the bottom hoop frame 4 is tightly connected to the bottom wall surface of the front end tube body of the handheld operating structure 1.

[0055] A rounded lighting end 10 is connected to the side end of the sleeve 6 , and a high-definition camera end 11 is embedded in the front end of the rounded lighting end 10 .

[0056] In a specific solution, a handheld operating structure 1 is used to provide an operating handle to facilitate manual operation and control by the doctor, and more control buttons and display screens are integrated on the handheld operating structure 1 to facilitate the doctor to perform various operations and parameter adjustments. Then, the physiological saline pump interface end 14 is connected to the above-mentioned physiological saline pump to provide physiological saline power, so that the injection pointing valve tube 13 controls the injection direction and flow rate of the physiological saline to the physiological saline injection tube 16, and the ultrasonic controller 2 controls the miniature ultrasonic generator through a signal connection to generate ultrasonic frequency and amplitude, thereby achieving non-contact precise displacement control and ensuring the adjustability and controllability of the above-mentioned expansion adjustment component 8. Then, the pointing catheter 9 is used to insert the guide wire 12 to ensure that the guide wire 12 drives the flexible guide tube 7 to smoothly enter the target position, and the rounded lighting end 10 is connected to the side end of the sleeve 6, and a high-definition camera end 11 is embedded in the front end to provide surgical field illumination and improve the clarity of the surgical field. The high-definition camera end 11 is used to provide high-definition video images to help doctors perform surgical operations.

[0057] The wiring diagram of the ultrasonic controller 2, the two-way side-joint adapter guide 590, the positioning navigation side-joint 87 and the micro pressure integrated detection sensor in the present invention is common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use, so the control method and wiring layout of the ultrasonic controller 2, the two-way side-joint adapter guide 590, the positioning navigation side-joint 87 and the micro pressure integrated detection sensor will not be explained in detail.

[0058] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A space expander for transoral laparoscopic thyroid surgery, characterized in that: Included are: An oral cavity expansion component (5) is sleeved and mounted on the outside of the sleeve (6) and is used to expand and support the oral and tongue parts of the human body when entering the oral cavity, thereby ensuring the stability of the medical operation; The expansion adjustment component (8) is slidably mounted on the outside of the sleeve (6) and is located on the side of the expansion component (5) inside the oral cavity. The overall structure size is adjusted and installed according to the needs. When entering the neck from the pharynx, the formed operation channel can be dynamically adjusted according to the internal structure of the pharynx and the neck. A driving physiological saline ring (18) is installed on the side of the flexible guide tube (7) and is connected through a hydraulic pressure valve port (19) provided on the side surface of the flexible guide tube (7) to drive a magnetic rotating ring (20) on the outer peripheral side thereof to rotate in a circumferential direction; A semi-ring tooth (21) is magnetically connected to the outside of the magnetic rotating ring (20) and is used to drive the meshing thick rotating tooth (22) to rotate; The micro pressure integrated detection sensor is installed inside the edge-jointed lubricating soft capsule (88) in the expansion and adjustment component (8) and is used to monitor the pressure of the expansion and adjustment component (8) on the tissue in real time and automatically adjust the force to avoid excessive compression.

2. The space expander for transoral laparoscopic thyroid surgery according to claim 1, characterized in that: The expansion adjustment component (8) comprises: A hollow swivel gear (81), an arc groove (82) and a central sliding groove tube (83); the hollow swivel gear (81) is connected through the central sliding groove tube (83) and is slidably connected on the outer circumference of the sleeve (6); the arc groove (82) is equally divided and arranged on the surface of the hollow swivel gear (81); the top of the hollow swivel gear (81) and the half-side teeth of the thick swivel teeth (22) form a meshing connection.

3. The space expander for transoral laparoscopic thyroid surgery according to claim 2, characterized in that: The outer sleeve of the middle sliding groove tube (83) is connected with a sliding adjustment groove frame (85), and the interior of the sliding adjustment groove frame (85) is slidably connected with a flexible push slide rod (86), and the side wall surface of the flexible push slide rod (86) is fastened with an edge slide rod (84), and the edge slide rod (84) is located inside the arc groove (82) and is slidably connected.

4. The space expander for transoral laparoscopic thyroid surgery according to claim 3, characterized in that: The side end of the flexible push slide rod (86) is fastened with a positioning navigation side connector (87), and the side of the positioning navigation side connector (87) is used to fix the side-connected sliding soft capsule (88), and a micro-processor embedded light is installed inside the side-connected sliding soft capsule (88) to facilitate lighting and convenient indication of subsequent medical operations after the channel is formed.

5. The space expander for transoral laparoscopic thyroid surgery according to claim 1, characterized in that: The flexible guide tube (7) is provided with a physiological saline injection tube (16) and an ultrasonic position guide wire tube (17) inside, respectively. The physiological saline injection tube (16) runs on the side of the flexible guide tube (7). The physiological saline injection tube (16) and the ultrasonic position guide wire tube (17) are externally sleeved with a displacement magnetic collar (15).

6. The space expander for transoral laparoscopic thyroid surgery according to claim 5, characterized in that: The side end of the ultrasonic position guide wire tube (17) is connected to a miniature ultrasonic generator, the displacement magnetic collar (15) and the magnetic rotating ring (20) form a magnetic connection, and the ultrasonic position guide wire tube (17) controls the displacement magnetic collar (15) to drive the magnetic rotating ring (20) to move outside the flexible guide tube (7) by the frequency and amplitude of the ultrasonic wave generated by the miniature ultrasonic generator, thereby enabling the expansion adjustment component (8) to synchronously slide and adjust its position along the outside of the sleeve (6).

7. The space expander for transoral laparoscopic thyroid surgery according to claim 1, characterized in that: The oral cavity expansion component (5) comprises: A sliding sleeve (51), an insertion hole (52), a rotating link (53) and a rotating magnetic connecting column. The sliding sleeve (51) is respectively sleeved with a sleeve (6) and a flexible guide tube (7) through the insertion hole (52) provided on the surface. The rotating link (53) is symmetrically rotatably connected to the top and bottom of the sliding sleeve (51). The rotating link (53) is magnetically connected to a side ring (54) through the connected rotating magnetic connecting column.

8. The space expander for transoral laparoscopic thyroid surgery according to claim 7, characterized in that: The left and right ends of the edge collar (54) are connected to a sliding hollow frame (55), the interior of the sliding hollow frame (55) is installed with a hydraulic piston structure (58), the top and bottom of the hydraulic piston structure (58) are fastened with an extension rod (56), the side end of the extension rod (56) is installed with a flexible balloon (57), the side end of the hydraulic piston structure (58) is connected to a saline hydraulic conduit (59), the bottom end of the saline hydraulic conduit (59) is connected to a bidirectional edge adapter guide (590), and the bottom end of the bidirectional edge adapter guide (590) is connected to a saline pump through a pipeline.

9. The space expander for transoral laparoscopic thyroid surgery according to claim 1, characterized in that: The side end of the sleeve (6) is connected to a handheld operating structure (1), and a guide ring tube (3) and an ultrasonic controller (2) are respectively installed on the outside of the side end of the handheld operating structure (1). An injection pointing valve tube (13) is installed inside the guide ring tube (3). The top of the injection pointing valve tube (13) is connected to a physiological saline pump interface end (14). The bottom of the injection pointing valve tube (13) is connected to a physiological saline injection tube (16). The bottom of the guide ring tube (3) is connected to a directional catheter (9). A guide wire (12) is inserted into the inside of the directional catheter (9). The guide wire (12) is inserted into the inside of the flexible guide tube (7) and forms contact with the internal front end of the flexible guide tube (7). The ultrasonic controller (2) and the micro ultrasonic generator form a signal connection. A bottom hoop frame (4) is installed outside the directional catheter (9). The bottom hoop frame (4) is tightly connected to the bottom wall surface of the front end tube body of the handheld operating structure (1).

10. The space expander for transoral laparoscopic thyroid surgery according to claim 1, characterized in that: A rounded lighting end (10) is connected to the side end of the sleeve (6), and a high-definition camera end (11) is embedded in the front end of the rounded lighting end (10).

Images