CN113244465A

CN113244465A - Neck drainage device for radical treatment of oral cancer combined with free flap repair

Info

Publication number: CN113244465A
Application number: CN202110469615.9A
Authority: CN
Inventors: 汤喜; 曾溢; 张成瑶; 赵彦广; 龚靖淋
Original assignee: Chongqing University Cancer Hospital
Current assignee: Chongqing University Cancer Hospital
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-08-13

Abstract

The invention discloses a neck drainage device for combined free flap repair for radical treatment of oral cancer, which structurally comprises a neck fixing frame, a flow regulating valve, a plug connector pipe and a containing tank, wherein the right side of the neck fixing frame is integrally nested and connected with the plug connector pipe, the whole surface of the plug connector pipe is nested and connected with the inside of the flow regulating valve, the tail end of the plug connector pipe is fixedly embedded and connected with the top end of the containing tank, the side end of the neck fixing frame is in clearance fit with the whole containing tank, the neck fixing frame comprises a neck protecting seat, a frame body, a pipe fixing table and an anti-collision side pad, and the tail end of the neck protecting seat is fixedly embedded and connected with the inner wall of the frame body. The nursing comfort of the patient is improved by the phase change.

Description

Neck drainage device for radical treatment of oral cancer combined with free flap repair

Technical Field

The invention relates to the field of medical drainage instruments, in particular to a neck drainage device for radical treatment of oral cancer combined with free flap repair.

Background

Oral cancer is one of the common head and neck tumors at present, and comprises lip cancer, tongue cancer and the like, so that the repair of free skin flaps is mainly an auxiliary treatment means for radical treatment of the oral cancer, the repair effect is achieved on the epidermal layer of the oral cavity through skin flap repair, the oral cancer mainly occurs in middle-aged and elderly people, the incidence rate of oral cancer induced by people eating betel nuts for a long time is higher than that of ordinary people, and the clinical detection rate is obviously increased in recent years;

however, the prior art has the following defects: the current free flap of radical cure of oral cancer unites repair art neck drainage device because current drainage device carries out the drainage at the use disect insertion patient neck, leads to the neck to insert behind the honeycomb duct patient and is difficult to incline and lie, very easily carelessly just inserts the neck and touches for the weak patient of postoperative is difficult to obtain abundant rest, and then causes neck drainage device to use and is unfavorable for the patient to nurse.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a neck drainage device for combined radical oral cancer and free flap repair, and aims to solve the problems that in the prior art, the neck drainage device for combined radical oral cancer and free flap repair is difficult to lie down after a neck is inserted into a drainage tube because the existing drainage device is directly inserted into the neck of a patient for drainage in the using process, the neck is easy to be inserted and touched carelessly, so that a weak patient after operation cannot have sufficient rest, and the neck drainage device is not beneficial to the repair of the patient when being used.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a radical cure of oral cancer unites free flap repair art neck drainage device, its structure includes solid neck frame, flow regulating valve, spigot joint pipe, accepts jar, solid neck frame right side and the whole nested connection of spigot joint pipe, the inside nested connection of spigot joint pipe whole surface and flow regulating valve, the spigot joint pipe end is connected with accepting the jar top end and is inlayed admittedly, solid neck frame side and the whole clearance fit of accepting jar, solid neck frame is including protecting neck seat, frame body, solid pipe platform, crashproof side pad, it is connected with frame body inner wall to protect neck seat end and inlay firmly, frame body left end top and the whole nested connection of crashproof side pad, crashproof side pad right side and solid pipe platform inner wall clearance fit, gu the pipe platform top is inlayed firmly with frame body right-hand member top and is connected.

The neck guard seat is further improved, the neck guard seat comprises a protective pad, an elastic strip, a buffering column and a folding clamping rod, the inner wall of the protective pad is fixedly embedded and connected with the lower surface of the elastic strip, the upper surface of the elastic strip is movably matched with the top end of the buffering column, two sides of the center of the buffering column are movably clamped with the top end of the folding clamping rod, the elastic strip is integrally in an arc-shaped strip shape, and clamping grooves for clamping the buffering column are formed in the upper surface of the elastic strip and are distributed between the protective pad and the buffering column.

The invention is further improved, the protective pad comprises auxiliary rotating wheels, pressed strips, silicon cushion blocks and massage balls, the inner sides of the auxiliary rotating wheels are in clearance fit with the whole massage balls, the tail ends of the massage balls are fixedly embedded with the surfaces of the silicon cushion blocks, the inner walls of the silicon cushion blocks are fixedly embedded with the inner walls of the pressed strips, the surfaces of two ends of the pressed strips are in movable fit with the whole auxiliary rotating wheels, five massage balls are distributed on the surfaces of the silicon cushion blocks and are fixedly embedded with the surfaces of the silicon cushion blocks, and two sides of the massage balls are in movable fit with the auxiliary rotating wheels.

The invention is further improved, the auxiliary rotating wheel comprises a silica gel ring, a stabilizing frame, a rotating shaft and a pressing ring, the inner wall of the silica gel ring is nested and connected with the surface of the pressing ring, the center of the pressing ring is nested and connected with the surface of the rotating shaft, the center of the rotating shaft is nested and connected with the top end of the stabilizing frame, the surface of the stabilizing frame is in clearance fit with the surface of the pressing ring, the pressing ring is distributed at the upper end of the stabilizing frame and forms clearance fit with the stabilizing frame, and the surface nesting is formed by the silica gel ring.

The invention is further improved, the pipe fixing table comprises pipe insertion holes, a protection plate cover and a table seat, the whole pipe insertion holes are fixedly embedded and connected with the surface of the protection plate cover, the whole protection plate cover is clamped and connected with the surface of the table seat, the interior of the table seat is movably matched with the interior of the pipe insertion holes, five pipe insertion holes are formed, the five pipe insertion holes are distributed on the surface of the protection plate cover and are connected with the interior of the table seat in a nested mode, and the inner ends of the pipe insertion holes are movably matched with the interior of the table seat.

The invention is further improved, the tube inserting holes comprise through hole seats, sliding clamping wheels, angle adjusting slide rails and fixing frames, the whole through hole seats are connected with the surfaces of the sliding clamping wheels in a nested mode, two ends of each sliding clamping wheel are in sliding fit with the inner walls of the angle adjusting slide rails, two ends of each angle adjusting slide rail are in welded connection with the inner walls of the fixing frames, the inner sides of the fixing frames are in clearance fit with the whole through hole seats, five through hole seats are arranged, the through hole seats at the tops of the two ends are fixed, and the rest three in the middle can be movably matched and adjusted through the sliding clamping wheels and the angle adjusting slide rails.

The angle adjusting slide rail is further improved, the angle adjusting slide rail comprises angle fixing seats, movable cavities and connecting columns, the whole angle fixing seats are fixedly embedded with the inner parts of the movable cavities, the two ends of each movable cavity are fixedly embedded with the tail ends of the connecting columns, the inner sides of the connecting columns are in clearance fit with the whole angle fixing seats, and the five angle fixing seats are distributed at the bottoms of the movable cavities and are fixed in the movable cavities in an embedding mode.

The angle fixing seat is further improved, the angle fixing seat comprises a reversing bolt rod, a swing rod, two clamping rods and a channel cavity, the tail end of the reversing bolt rod is hinged with the tail end of the clamping rod, the tail end of the clamping rod is integrally and movably matched with the swing rod, the whole clamping rod is integrally and movably matched with the inner part of the channel cavity, and the two clamping rods are matched with the reversing bolt rod through the swing rod to trigger the reversing bolt rod and are distributed in the channel cavity to be movably matched.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects;

1. the neck fixing frame is used for fixing the neck of a patient, the neck is drained by matching with inserting of the plug-in connector tube into the position after operation, the neck protecting seat supports the neck of the patient, the internal buffer column and the elastic strip are used for pressure buffering and dissolving while supporting, and the auxiliary rotating wheels on two sides are matched to provide assistance for the patient, so that the neck stiffness of the patient is effectively prevented from being caused when the patient keeps a posture for a long time, and the repairing comfort level of the patient is improved.

2. According to the invention, the tube body of the insertion joint tube to be fixed is fixed through the angle adjusting slide rail in the tube fixing table, so that the tube body is placed after entering the angle fixing base to enable the tube body to swing together with the swing rod, so that the swing rod can upwards tilt the clamping rod under the assistance of the reversing bolt rod to clamp and fix the tube body in the channel cavity, and the secondary injury to the insertion opening of a patient due to unfixed tube body is effectively avoided while the patient moves.

Drawings

Fig. 1 is a schematic structural view of a cervical drainage device for oral cancer radical treatment combined with free flap repair.

Fig. 2 is a schematic top view of the neck support of the present invention.

Fig. 3 is a schematic view of the internal structure of the neck guard of the present invention.

FIG. 4 is a schematic view of the internal structure of the protection pad of the present invention.

FIG. 5 is a schematic view of the internal structure of the auxiliary wheel according to the present invention.

FIG. 6 is a schematic side view of the tube fixing table of the present invention.

Fig. 7 is a schematic view of the internal structure of the tube insertion hole of the present invention.

Fig. 8 is a schematic front view of the angle adjusting slide rail of the present invention.

FIG. 9 is a schematic view of the internal structure of the angle fixing base of the present invention.

In the figure: a neck fixing frame-1, a flow regulating valve-2, a plug connector tube-3, a containing tank-4, a neck protecting seat-11, a frame body-12, a tube fixing table-13, an anti-collision side pad-14, a protective pad-111, an elastic strip-112, a buffer column-113, a folding clamping rod-114, an auxiliary rotating wheel-a 1, a pressed strip-a 2, a silicon pad-a 3, a massage ball-a 4, a silicon ring-a 11, a stable frame-a 12, a rotating shaft-a 13, a pressing strip ring-a 14, a tube jack-131, a guard plate cover-132, a table seat-133, a through hole seat-b 1, a sliding clamping wheel-b 2, an angle adjusting sliding rail-b 3, a fixed frame-b 4, a fixed angle seat-b 31, a movable cavity-b 32, a connecting column-b 33, a reversing bolt-c 1, a swinging rod-c 2, a protective, Clamping bar-c 3, channel cavity-c 4.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

The invention is further described below with reference to the accompanying drawings:

example 1

As shown in figures 1 to 5:

the structure of the device comprises a neck fixing frame 1, a flow regulating valve 2, a plug-in connector pipe 3 and an accommodating tank 4, wherein the right side of the neck fixing frame 1 is connected with the plug-in connector pipe 3 in an integrally nested manner, the integral surface of the plug-in connector pipe 3 is connected with the inner portion of the flow regulating valve 2 in an embedded manner, the tail end of the plug-in connector pipe 3 is connected with the top end of the accommodating tank 4 in an embedded manner, the side end of the neck fixing frame 1 is in integral clearance fit with the accommodating tank 4, the neck fixing frame 1 comprises a neck protecting seat 11, a frame body 12, a pipe fixing table 13 and an anti-collision side pad 14, the tail end of the neck protecting seat 11 is connected with the inner wall of the frame body 12 in an embedded manner, the top of the left end of the frame body 12 is connected with the anti-collision side pad 14 in an integrally nested manner, the right side of the anti-collision side pad 14 is in clearance fit with the inner wall of the pipe table 13, and the top end of the pipe fixing table 13 is connected with the top of the right end of the frame body 12 in an embedded manner.

Wherein, neck guard 11 includes that protection pad 111, elastic strip 112, buffering post 113, folding kelly 114, protection pad 111 inner wall is connected with elastic strip 112 lower surface is embedded admittedly, elastic strip 112 upper surface and the 113 top clearance fit of buffering post, 113 central both sides of buffering post and folding kelly 114 top activity block, elastic strip 112 is whole to be arc strip, and the upper surface is equipped with the draw-in groove of the 113 blocks of buffering post, distributes between protection pad 111 and buffering post 113, and wherein buffering post 113 is favorable to cooperating the pressure that elastic strip 112 pressurized to step down and cushion the pressure that the conduction came out, cooperates folding kelly 114 to carry on it spacingly when the buffering, prevents that the too big patient that causes of body of rod displacement range from uncomfortable.

The protection pad 111 comprises auxiliary rotating wheels a1, a pressed strip a2, silicon cushion blocks a3 and massage balls a4, the inner sides of the auxiliary rotating wheels a1 are in clearance fit with the whole massage balls a4, the tail ends of the massage balls a4 are fixedly connected with the surface of the silicon cushion blocks a3, the inner wall of the silicon cushion blocks a3 is fixedly connected with the inner wall of the pressed strip a2, the surfaces of the two ends of the pressed strip a2 are in movable fit with the auxiliary rotating wheels a1, five massage balls a4 are arranged and distributed on the surface of the silicon cushion blocks a3 and are fixedly connected with the surface of the silicon cushion blocks a, and the two sides of the massage balls a4 are in movable fit with the auxiliary rotating wheels a1, wherein the massage balls a4 are beneficial to being placed according to acupuncture points, play a role in massaging the acupuncture points while supporting the neck of a patient, relieve pain of the patient and have a sleep-aiding effect after being pressed.

The auxiliary rotating wheel a1 comprises a silica gel ring a11, a stabilizing frame a12, a rotating shaft a13 and a pressing strip ring a14, the inner wall of the silica gel ring a11 is connected with the surface of the pressing strip ring a14 in a nested manner, the center of the pressing strip ring a14 is connected with the surface of the rotating shaft a13 in a nested manner, the center of the rotating shaft a13 is connected with the top end of the stabilizing frame a12 in a nested manner, the surface of the stabilizing frame a12 is in clearance fit with the surface of the pressing strip ring a14, the pressing strip ring a14 is distributed at the upper end of the stabilizing frame a12 and forms clearance fit with the stabilizing frame a12, and the surface of the pressing strip ring a11 in a nested manner, wherein the pressing strip ring a14 is favorable for being matched with the rotating shaft a13 to rotate, so that a patient can be assisted in moving the neck slightly and.

The specific working principle is as follows:

the invention inserts the pipe of the plug 3 into the position of the patient needing drainage, the pipe body passes through the pipe fixing table 13 on the neck fixing frame 1 and then passes through the flow regulating valve 2, finally the tail end of the pipe body is nested at the top end of the accommodating tank 4, the neck fixing frame 1 at the moment protects the neck of the patient, the neck protecting seat 11 on the inner side of the frame body 12 supports the neck of the patient, the side anti-collision side pads 14 protect the neck, when the neck protecting seat 11 is pressed by the patient, the inner elastic strip 112 is bent to buffer the buffer columns 113 of the elastic strip, the buffer columns are clamped and limited by the folding clamping rods 114 on two sides, the protective pad 111 is jointed with the neck of the patient, the massage ball a4 just aligns the acupuncture points of the neck of the patient in the supporting and jointing process through the silicon cushion block a3, the pressure is supported and buffered through the pressing strip a2, the patient can be assisted by the auxiliary rotating wheel a1 if the neck moves slightly, the neck support is characterized in that the rotation shaft a13 fixed by the fixing frame a12 and the pressing strip ring a14 rotate, and the external silica gel ring a11 is matched to prevent the patient from being scratched, so that the patient can slightly move the neck, the neck support fixes the neck of the patient through the neck fixing frame 1, the inserting joint pipe 3 is matched to be inserted into the post-operation position to drain the neck, the neck support seat 11 supports the neck of the patient, the internal buffer column 113 and the elastic strip 112 perform pressure buffering and dissolving during supporting, and the auxiliary rotating wheels a1 on two sides are matched to provide assistance for the patient, so that the neck stiffness of the patient is effectively prevented from being caused when the patient keeps a posture for a long time, and the maintenance comfort level of the patient is improved.

Example 2:

as shown in fig. 6 to 9:

wherein, gu tub platform 13 includes pipe jack 131, protection plate lid 132, pedestal 133, pipe jack 131 is whole to be connected with protection plate lid 132 surface is embedded admittedly, protection plate lid 132 is whole to be connected with pedestal 133 surface block, the inside and the inside clearance fit of pipe jack 131 of pedestal 133, pipe jack 131 is equipped with five, distributes and carries out nested connection on protection plate lid 132 surface and inside, the inner and the inside clearance fit of pedestal 133, and wherein pipe jack 131 is favorable to fixing neck male drainage tube, prevents slightly rocking and produces the secondary damage with the displacement to the disease.

The tube inserting hole 131 comprises a through hole seat b1, a sliding clamping wheel b2, angle adjusting slide rails b3 and a fixing frame b4, the whole through hole seat b1 is connected with the surface of the sliding clamping wheel b2 in a nested mode, two ends of the sliding clamping wheel b2 are in sliding fit with the inner walls of the angle adjusting slide rails b3, two ends of the angle adjusting slide rails b3 are connected with the inner walls of the fixing frame b4 in a welded mode, the inner side of the fixing frame b4 is in overall clearance fit with the through hole seat b1, five through hole seats b1 are arranged, the through hole seats b1 at the tops of the two ends are fixed, and the rest three middle through the sliding clamping wheel b2 are movably matched with the angle adjusting slide rails b3 for adjustment, wherein the sliding clamping wheel b2 is beneficial to inserting wounds at different angles of the neck through the matching of the angle adjusting slide rails b3, and the problem that the drainage device cannot be fixed due to angles is avoided.

The angle adjusting slide rail b3 comprises an angle fixing seat b31, a movable cavity b32 and a connecting column b33, wherein the whole angle fixing seat b31 is fixedly connected with the inside of the movable cavity b32 in an embedded mode, two ends of the movable cavity b32 are fixedly connected with the tail end of the connecting column b33 in an embedded mode, the inner side of the connecting column b33 is in clearance fit with the whole angle fixing seat b31, the five angle fixing seats b31 are distributed at the bottom of the movable cavity b32 and are fixed inside the movable cavity b32 in an embedded mode, the angle fixing seat b31 is beneficial to fixing the inserting joint after the angle of the inserting joint is adjusted, and displacement and deviation of the inserting joint caused by careless touch of a patient are prevented.

The angle fixing seat b31 comprises a reversing bolt c1, two swing rods c2, a clamping rod c3 and a channel cavity c4, the tail end of the reversing bolt c1 is hinged to the tail end of the clamping rod c3, the tail end of the clamping rod c3 is in overall movable fit with the swing rod c2, the clamping rod c3 is in overall movable fit with the channel cavity c4, the two clamping rods c3 are arranged, the swing rods c2 are matched with the reversing bolt c1 to trigger the reversing bolt c1, the clamping rods c4 are distributed in the channel cavity c4 in movable fit, and the swing rods c2 are beneficial to tilting the clamping rods c3 through the reversing bolt c1 due to swing of the inserting head, so that the connecting head is fixed, and secondary injury to a patient due to unnecessary movement is prevented.

The specific working principle is as follows:

the tube inserting hole 131 on the pedestal 133 is movably matched through the protective plate cover 132 in the tube fixing table 13, the inserting head tube 3 is inserted into the tube inserting hole 131 and then enters the through hole seat b1, so that the tube body can enter the angle fixing seat b31 in the movable cavity b32 through the sliding clamping wheel b2 in the fixing frame b4 after being aligned with the corresponding hole seat, the angle of the inserting head tube 3 is fixed on the angle adjusting slide rail b3 so that the tube body can pass through the through hole seat b1 and enter the angle fixing seat b31 in the movable cavity b32, so that the inner swing rod c2 swings to tilt the clamping rod c3 under the auxiliary matching of the reversing bolt c1 under the angle swing, so that the clamping rod c3 clamps and fixes the tube body in the channel cavity c4, and the separation is prevented, and the tube body needing to be fixed is fixed through the angle adjusting slide rail b3 in the tube fixing table 13, and the tube body placing in the angle fixing table b31 is provided with a swinging belt for swinging the tube body 2, so that the swinging swing rod c2 upwards tilts the clamping rod c3 with the aid of the reversing bolt c1 to clamp and fix the tube body in the channel cavity c4, thereby effectively avoiding the secondary injury to the patient at the intubation port while the patient moves due to unfixed tube body.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a free flap repair operation neck drainage device is united in radical cure of oral cancer, its structure includes solid neck frame (1), flow regulating valve (2), bayonet joint pipe (3), accepts jar (4), solid neck frame (1) right side and the whole nested connection of spigot joint pipe (3), the whole surface of spigot joint pipe (3) with flow regulating valve (2) inside nested connection, spigot joint pipe (3) end with accept jar (4) top and inlay solid and be connected, solid neck frame (1) side with accept jar (4) whole clearance fit, its characterized in that:

solid neck frame (1) is including protecting neck seat (11), putting up body (12), solid tub of platform (13), crashproof side pad (14), protect neck seat (11) end and put up body (12) inner wall and inlay solid and be connected, put up body (12) left end top and crashproof side pad (14) whole nested connection, crashproof side pad (14) right side and solid tub of platform (13) inner wall clearance fit, solid tub of platform (13) top and putting up body (12) right-hand member top and inlay solid and be connected.

2. The cervical drainage device for combined radical oral cancer and free flap prosthesis according to claim 1, characterized in that: protect neck seat (11) including protection pad (111), elastic strip (112), buffering post (113), folding kelly (114), protection pad (111) inner wall is connected with elastic strip (112) lower surface is embedded admittedly, elastic strip (112) upper surface and buffering post (113) top clearance fit, buffering post (113) center both sides and folding kelly (114) top activity block.

3. The cervical drainage device for combined radical oral cancer and free flap prosthesis according to claim 2, characterized in that: the protection pad (111) includes that assist runner (a 1), pressurized strip (a 2), silicon cushion (a 3), massage ball (a 4), assist runner (a 1) inboard and the whole clearance fit of massage ball (a 4), massage ball (a 4) end is connected with silicon cushion (a 3) surface is embedded solid, silicon cushion (a 3) inner wall is connected with pressurized strip (a 2) inner wall is embedded solid, pressurized strip (a 2) both ends surface and the whole clearance fit of assisting runner (a 1).

4. The cervical drainage device for combined radical oral cancer and free flap prosthesis according to claim 3, characterized in that: the auxiliary rotating wheel (a 1) comprises a silica gel ring (a 11), a stabilizing frame (a 12), a rotating shaft (a 13) and a pressing ring (a 14), wherein the inner wall of the silica gel ring (a 11) is connected with the surface of the pressing ring (a 14) in a nested manner, the center of the pressing ring (a 14) is connected with the surface of the rotating shaft (a 13) in a nested manner, the center of the rotating shaft (a 13) is connected with the top end of the stabilizing frame (a 12) in a nested manner, and the surface of the stabilizing frame (a 12) is in surface clearance fit with the surface of the pressing ring (a 14).

5. The cervical drainage device for combined radical oral cancer and free flap prosthesis according to claim 1, characterized in that: gu pipe platform (13) are including pipe jack (131), backplate lid (132), pedestal (133), pipe jack (131) are whole to be connected with backplate lid (132) surface embedding, backplate lid (132) are whole to be connected with pedestal (133) surface block, inside and the inside clearance fit of pipe jack (131) of pedestal (133).

6. The cervical drainage device for combined radical oral cancer and free flap prosthesis according to claim 5, wherein: the pipe insertion hole (131) comprises a through hole seat (b 1), a sliding clamping wheel (b 2), an angle adjusting slide rail (b 3) and a fixing frame (b 4), the whole through hole seat (b 1) is connected with the surface of the sliding clamping wheel (b 2) in a nested mode, two ends of the sliding clamping wheel (b 2) are in sliding fit with the inner wall of the angle adjusting slide rail (b 3), two ends of the angle adjusting slide rail (b 3) are in welded connection with the inner wall of the fixing frame (b 4), and the inner side of the fixing frame (b 4) is in clearance fit with the whole through hole seat (b 1).

7. The cervical drainage device for combined radical oral cancer and free flap prosthesis of claim 6, wherein: the angle adjusting slide rail (b 3) comprises an angle fixing seat (b 31), a movable cavity (b 32) and a connecting column (b 33), wherein the angle fixing seat (b 31) is integrally and fixedly connected with the inside of the movable cavity (b 32), two ends of the movable cavity (b 32) are fixedly connected with the tail end of the connecting column (b 33), and the inner side of the connecting column (b 33) is in clearance fit with the angle fixing seat (b 31) integrally.

8. The cervical drainage device for combined radical oral cancer and free flap prosthesis according to claim 7, wherein: the angle fixing seat (b 31) comprises a reversing bolt (c 1), a swinging rod (c 2), a clamping rod (c 3) and a channel cavity (c 4), the tail end of the reversing bolt (c 1) is hinged with the tail end of the clamping rod (c 3), the tail end of the clamping rod (c 3) is in integral movable fit with the swinging rod (c 2), and the clamping rod (c 3) is in integral movable fit with the interior of the channel cavity (c 4).