Head and neck surgery endoscope traction device

Abstract

The invention discloses a head and neck surgery endoscope traction device which comprises a supporting rod, an operating bed fixator, a traction device support and a flexible shaft endoscope support. The supporting rod comprises a vertical rod and a transverse rod which are connected with each other. The operating bed fixer is mounted on the vertical rod and is used for connecting an operating bed; the tractor support comprises a supporting rod connecting piece, the supporting rod connecting piece is installed on the transverse rod, the lower end of the supporting rod connecting piece is connected with a rack transmission assembly, and the lower end of the rack transmission assembly is connected with a three-claw drag hook. The upper end of the flexible shaft endoscope support is installed on the cross rod, and the lower end is used for installing an endoscope. The head and neck surgery endoscope traction device has the advantages of being simple in structure, light, convenient, easy to assemble and easy to adjust; the size is small, and flexible placement can be achieved; the surgery field exposure range can be adjusted. The device can be widely applied to head and neck tumor resection operations.

Description

Technical Field

[0001] The invention belongs to the field of medical instruments, and in particular relates to a head and neck surgical laparoscopic traction device. Background Art

[0002] Head and neck surgery is an important branch of otolaryngology, focusing on the treatment of various diseases of the head and neck, including tumors, congenital diseases, inflammatory diseases, vascular diseases, thyroid and parathyroid diseases, salivary gland diseases, etc. These surgeries usually require the complete removal of the tumor while preserving the basic functions of the organ as much as possible to improve the patient's survival rate and quality of life.

[0003] Laparoscopic technology in head and neck surgery is a minimally invasive surgical method that allows surgeons to enter the surgical area through a smaller incision and use a laparoscope and special surgical instruments to perform operations. Compared with traditional open surgery, this technology has the advantages of less trauma, less bleeding, faster postoperative recovery and better appearance. At present, there is no laparoscopic traction device dedicated to head and neck surgery. The use of traditional laparoscopic traction systems has the following problems: 1. The instrument structure is complex, and assembly and adjustment are difficult; 2. It is large in size, heavy and difficult to operate, which limits the operator's position; 3. The exposure of the surgical field is limited. Summary of the invention

[0004] The purpose of the present invention is to provide a head and neck surgery laparoscopic traction device to solve the problems existing in the conventional head and neck surgery using the traditional laparoscopic traction system.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A head and neck surgical laparoscopic traction device comprises a support rod, an operating table fixer, a traction device bracket, and a flexible shaft endoscope bracket, wherein:

[0007] The support rod comprises a vertical rod and a horizontal rod connected to each other;

[0008] The operating table fixture is installed on the vertical rod, and the operating table fixture is used to connect the operating table;

[0009] The traction device bracket includes a support rod connecting piece, the support rod connecting piece is installed on the cross bar, the lower end of the support rod connecting piece is connected to a rack transmission assembly, and the lower end of the rack transmission assembly is connected to a three-catch hook;

[0010] The upper end of the flexible shaft endoscope bracket is installed on the cross bar, and the lower end is used for installing the endoscope.

[0011] Furthermore, the vertical rod and the horizontal rod are hinged, and a locking mechanism is provided at the hinge, so that the angle between the vertical rod and the horizontal rod is adjustable.

[0012] Furthermore, the operating bed fixture comprises an operating bed connection portion and a support rod connection portion, the operating bed connection portion and the support rod connection portion are rotatably connected, and the angle between the operating bed connection portion and the support rod connection portion is adjustable.

[0013] Furthermore, the operating bed connection part includes a first U-shaped connection part, a first fastening bolt is arranged on the side of the first U-shaped connection part, the U-shaped connection part is used to be clamped on the head or side of the operating bed, and is fastened by the first fastening bolt; the support rod connection part is provided with a through hole, the vertical rod is inserted into the through hole, and is fastened by the second fastening bolt.

[0014] Furthermore, the support rod connecting piece is sleeved on the cross bar, and the support rod connecting piece can move axially along the cross bar and can rotate circumferentially along the cross bar.

[0015] Furthermore, the rack transmission assembly includes a rack and a gear that mesh with each other, the gear is connected to a rocker, the gear is located in a square box, a first hanging piece is provided on the top of the square box, a first strip-shaped sliding hole is opened on the first hanging piece, a first protrusion is provided at the lower end of the support rod connecting piece, and the rack transmission assembly is hung on the first protrusion through the first strip-shaped sliding hole; a second protrusion is provided at the lower end of the rack, a second hanging piece is provided on the top of the three-catch hook, a second hanging piece is opened on the second hanging piece, and the three-catch hook is hung on the second protrusion through the second strip-shaped sliding hole.

[0016] Furthermore, the horizontal expansion width of the three-claw hook is adjustable.

[0017] Furthermore, the flexible shaft endoscope bracket includes a bracket fixing part, a flexible shaft and an endoscope fixing part which are connected in sequence, the bracket fixing part includes a second U-shaped connecting piece, a third fastening bolt is arranged on the side of the second U-shaped connecting piece, the cross bar is embedded in the second U-shaped connecting piece and is fastened by the third fastening bolt; the endoscope fixing part is connected to the bottom of the flexible shaft by a fourth fastening bolt, and an endoscope mounting hole is opened on the endoscope fixing part.

[0018] Furthermore, the flexible shaft includes a flexible inner core and a plurality of rigid rings sleeved outside the flexible inner core. The rigid ring is cylindrical, one end of the rigid ring is a spherical surface, and the spherical surfaces of all the rigid rings are oriented in the same direction. A fastening rocker is provided at the top of the flexible inner core.

[0019] Beneficial effects: The head and neck surgical laparoscopic traction device of the present invention has the following advantages: simple structure, light, easy to assemble, easy to adjust; small size, flexible placement; adjustable surgical field exposure range. It can be widely used in head and neck tumor resection surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a structural schematic diagram of an operating table fixture;

[0022] Figure 3 It is a partial cross-sectional view of an operating table fixture;

[0023] Figure 4 is a structural schematic diagram of a support rod connecting member;

[0024] Figure 5 is a schematic diagram of the structure of a rack transmission assembly;

[0025] Figure 6 It is a structural schematic diagram of a three-claw pull hook;

[0026] Figure 7 It is a schematic diagram of the structure of the flexible shaft endoscope support. DETAILED DESCRIPTION

[0027] The present invention will be further explained below in conjunction with the accompanying drawings.

[0028] like Figure 1 As shown, a head and neck surgical laparoscopic traction device of the present invention includes a support rod 1, an operating table fixer 2, a traction device bracket 3, and a flexible shaft endoscope bracket 4.

[0029] like Figure 1 As shown, the support rod 1 includes a vertical rod 101 and a horizontal rod 102 connected to each other. The vertical rod 101 and the horizontal rod 102 are hinged, and a locking mechanism 103 is provided at the hinge, and the angle between the vertical rod 101 and the horizontal rod 102 is adjustable.

[0030] like Figure 1 As shown, the operating table fixture 2 is installed on the vertical rod 101, and the operating table fixture 2 is used to connect the operating table. Figure 2 As shown, the operating bed fixture 2 includes an operating bed connection portion 201 and a support rod connection portion 202, the operating bed connection portion 201 and the support rod connection portion 202 are rotatably connected, and the angle between the operating bed connection portion 201 and the support rod connection portion 202 is adjustable. Figure 3 As shown, the operating bed connection part 201 and the support rod connection part 202 are connected by a rotating ball head, and the angle between the operating bed connection part 201 and the support rod connection part 202 is adjusted by rotating. The operating bed connection part 201 includes a first U-shaped connection part 2011, and a first fastening bolt 2012 is arranged on the side of the first U-shaped connection part 2011. The U-shaped connection part 2011 is used to be clamped on the head or side of the operating bed and fastened by the first fastening bolt 2012. The support rod connection part 202 is provided with a through hole 2022, and the vertical rod 101 is inserted into the through hole 2022 and fastened by the second fastening bolt 2021.

[0031] like Figure 1As shown, the traction device bracket 3 includes a support rod connecting member 301, which is installed on the cross bar 102, and the lower end of the support rod connecting member 301 is connected to a rack transmission assembly 302, and the lower end of the rack transmission assembly 302 is connected to a three-catch hook 303.

[0032] The support rod connector 301 is sleeved on the cross bar 102, and the support rod connector 301 can move axially along the cross bar 102 and can rotate circumferentially along the cross bar 102. The relative position and angle between the traction device bracket 3 and the support rod 1 can be adjusted by rotating and lateral movement of the support rod connector 30. The structure of the support rod connector 301 is as follows: Figure 4 shown.

[0033] like Figure 5 and 6 As shown, the rack transmission assembly 302 includes a rack 3021 and a gear 3022 meshing with each other, the gear 3022 is connected to a rocker 3023, the gear 3022 is located in a square box 3024, a first hanging member 3025 is provided on the top of the square box 3024, a first bar-shaped sliding hole 3026 is provided on the first hanging member 3025, a first protrusion 3011 is provided at the lower end of the support rod connecting member 301, and the rack transmission assembly 302 is hung on the first protrusion 3011 through the first bar-shaped sliding hole 3026. A second protrusion 3027 is provided at the lower end of the rack 3021, a second hanging member 3031 is provided on the top of the three-catch hook 303, a second bar-shaped sliding hole 3032 is provided on the second hanging member 3031, and the three-catch hook 303 is hung on the second protrusion 3027 through the second bar-shaped sliding hole 3032. The opening width of the three-claw hook 304 in the horizontal direction is adjustable.

[0034] By rotating the rocker 3023 to adjust the relative position of the rack 3021 and the gear 3022, the position of the three-claw hook 304 is adjusted by moving it up and down, that is, the position of the three-claw hook 304 in the y-axis direction is adjusted. By moving the support rod connector 30 laterally to adjust the relative position of the tractor bracket 3 and the support rod 1, the lateral adjustment of the position of the three-claw hook 304 is achieved, that is, the position of the three-claw hook 304 in the x-axis direction is adjusted. By rotating the support rod connector 30 to adjust the relative angle between the tractor bracket 3 and the support rod 1, the position of the three-claw hook 304 in the z-axis direction is adjusted, thereby achieving three-dimensional adjustment of the position of the three-claw hook 304. The three-claw hook 304 can adjust the width of the support horizontally to adjust the size of the surgical field.

[0035] like Figure 1 and Figure 7As shown, the upper end of the flexible shaft endoscope bracket 4 is mounted on the cross bar 102, and the lower end is used to mount the endoscope. The flexible shaft endoscope bracket 4 includes a bracket fixing portion 401, a flexible shaft 402, and an endoscope fixing portion 403 connected in sequence, the bracket fixing portion 401 includes a second U-shaped connector 4011, a third fastening bolt 4012 is arranged on the side of the second U-shaped connector 4011, the cross bar 102 is embedded in the second U-shaped connector 4011, and is fastened by the third fastening bolt 4012; the endoscope fixing portion 403 is connected to the bottom of the flexible shaft 402 by a fourth fastening bolt 4031, and an endoscope mounting hole 4032 is provided on the endoscope fixing portion 403. The flexible shaft 402 includes a flexible inner core and a plurality of rigid rings 4021 sleeved outside the flexible inner core. The rigid ring 4021 is cylindrical, and one end of the rigid ring 4021 is a spherical surface 4021. The spherical surfaces 40211 of all the rigid rings 4021 face the same direction. The top of the flexible inner core is provided with a tightening rocker 4022. By rotating the tightening rocker 4022, the flexible inner core is tightened or loosened. When the flexible inner core is tightened, the plurality of rigid rings 4021 are in close contact, thereby hardening the flexible shaft 402. When the flexible inner core is loosened, the spacing between the plurality of rigid rings 4021 increases, thereby softening the flexible shaft 402.

[0036] The head and neck surgical laparoscopic traction device of the present invention is used in the resection of maxillofacial head and neck tumors. The use process is as follows: first, according to Figure 1 Assemble the components according to the structure, fix the operating bed fixture 2 to the head or side of the operating bed, and tighten it. Install the endoscope on the soft shaft endoscope bracket, and adjust the endoscope to a suitable position by adjusting the hardness of the soft shaft 402. Adjust the position of the support rod connector and the rack transmission assembly in the traction device bracket, so as to adjust the three-claw retractor to a suitable position. Make an incision on the patient's tumor skin, insert the three-claw retractor, so that the three-claw retractor forms a surgical channel on the patient's skin, and perform the head and neck tumor resection surgery.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A head and neck surgical laparoscopic traction device, characterized in that: It comprises a support rod (1), an operating table fixer (2), a traction device support (3), and a flexible shaft endoscope support (4), wherein: The support rod (1) comprises a vertical rod (101) and a horizontal rod (102) connected to each other; The operating bed fixture (2) is mounted on the vertical rod (101), and the operating bed fixture (2) is used to connect the operating bed; The traction device bracket (3) comprises a support rod connecting piece (301), the support rod connecting piece (301) is installed on the cross bar (102), the lower end of the support rod connecting piece (301) is connected to a rack transmission assembly (302), and the lower end of the rack transmission assembly (302) is connected to a three-grab hook (303); The upper end of the flexible shaft endoscope support (4) is mounted on the crossbar (102), and the lower end is used for mounting an endoscope.

2. The head and neck surgery laparoscopic traction device according to claim 1, characterized in that: The vertical rod (101) and the horizontal rod (102) are hinged, and a locking mechanism (103) is provided at the hinge. The angle between the vertical rod (101) and the horizontal rod (102) is adjustable.

3. The head and neck surgery laparoscopic traction device according to claim 1, characterized in that: The operating bed fixture (2) comprises an operating bed connection portion (201) and a support rod connection portion (202); the operating bed connection portion (201) and the support rod connection portion (202) are rotatably connected, and the angle between the operating bed connection portion (201) and the support rod connection portion (202) is adjustable.

4. The head and neck surgery laparoscopic traction device according to claim 3, characterized in that: The operating bed connection part (201) comprises a first U-shaped connection piece (2011), a first fastening bolt (2012) being arranged on a side of the first U-shaped connection piece (2011), the U-shaped connection piece (2011) being used for clamping on the head or side of the operating bed and being fastened by the first fastening bolt (2012); the support rod connection part (202) is provided with a through hole (2022), the vertical rod (101) is inserted into the through hole (2022), and is fastened by a second fastening bolt (2021).

5. The head and neck surgery laparoscopic traction device according to claim 1, characterized in that: The support rod connecting piece (301) is sleeved on the cross bar (102), and the support rod connecting piece (301) can move axially along the cross bar (102) and can rotate circumferentially along the cross bar (102).

6. The head and neck surgery laparoscopic traction device according to claim 1, characterized in that: The rack transmission assembly (302) comprises a rack (3021) and a gear (3022) meshing with each other, the gear (3022) is connected to a rocker (3023), the gear (3022) is fixed in a rocker holder (3024), a first hanging member (3025) is arranged on the top of the square box (3024), a first strip-shaped sliding hole (3026) is opened on the first hanging member (3025), and a first protrusion (3016) is arranged at the lower end of the support rod connecting member (301). 1), the rack transmission assembly (302) is hung on the first protrusion (3011) through the first strip-shaped sliding hole (3026); the lower end of the rack (3021) is provided with a second protrusion (3027), the top of the three-claw hook (303) is provided with a second hanging member (3031), the second hanging member (3031) is provided with a second strip-shaped sliding hole (3032), and the three-claw hook (303) is hung on the second protrusion (3027) through the second strip-shaped sliding hole (3032).

7. The head and neck surgery laparoscopic traction device according to claim 1 or 6, characterized in that: The opening width of the three-claw hook (304) in the horizontal direction is adjustable.

8. The head and neck surgery laparoscopic traction device according to claim 1, characterized in that: The flexible shaft endoscope bracket (4) comprises a bracket fixing portion (401), a flexible shaft (402) and an endoscope fixing portion (403) which are connected in sequence, the bracket fixing portion (401) comprising a second U-shaped connecting piece (4011), a third fastening bolt (4012) being arranged on the side of the second U-shaped connecting piece (4011), the cross bar (102) being embedded in the second U-shaped connecting piece (4011) and being fastened by the third fastening bolt (4012); the endoscope fixing portion (403) is connected to the bottom of the flexible shaft (402) by a fourth fastening bolt (4031), and an endoscope mounting hole (4032) is provided on the endoscope fixing portion (403).

9. The head and neck surgery laparoscopic traction device according to claim 8, characterized in that: The flexible shaft (402) comprises a flexible inner core and a plurality of rigid rings (4021) sleeved outside the flexible inner core, wherein the rigid ring (4021) is cylindrical, one end of the rigid ring (4021) is a spherical surface (40211), and the spherical surfaces (40211) of all the rigid rings (4021) face the same direction, and a fastening rocker (4022) is provided at the top end of the flexible inner core.

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