Headrest type suspended anesthesia device

Abstract

The invention relates to the technical field of anesthesia devices, in particular to a headrest type suspended anesthesia device which comprises a bed plate, an anesthesia machine and a mask and further comprises a supporting plate rotationally connected to one end of the bed plate, a head raising and jaw lifting mechanism is arranged between the supporting plate and the bed plate, and a head moving mechanism is arranged on the supporting plate; the head-raising and jaw-lifting mechanism comprises two side plates fixed to one end of the bed plate, a first rotating shaft, a second rotating shaft and a third rotating shaft are rotationally connected between the two side plates, a lantern ring is rotationally arranged at the position, located in the middle section, of the outer side of the second rotating shaft in a sleeving mode, and an extension plate is fixed to the outer side of the lantern ring. By means of the head-raising and jaw-lifting mechanism, when a patient is anesthetized, the head of the patient leans backwards, thrust is applied to the jaw of the patient, and the jaw is lifted, so that the effect of a head-raising and jaw-lifting method can be simulated, the airway of the patient is straightened, the tongue root is separated from the airway opening, and the phenomenon that the airway opening is blocked due to tongue root muscle relaxation can be effectively avoided; therefore, the risk of suffocation of the patient in the anesthesia process is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of anesthesia devices, and in particular to a headrest type suspended anesthesia device. Background Art

[0002] At present, during surgical procedures, two methods are commonly used: injection anesthesia or inhalation anesthesia through the respiratory tract. Inhalation anesthetics are a class of volatile liquids or gases that enter the human body through the respiratory tract and exert anesthetic effects from shallow to deep, with characteristics such as strong anesthetic function and high controllability.

[0003] After retrieval, a Chinese patent with the publication number CN221331767U discloses a headrest type suspended anesthesia device, including a cross frame and side frames. The side frames are fixed at one end of the cross frame, and an anesthesia processing structure is provided on the cross frame and the side frames. The anesthesia processing structure includes: a bottom rod, a head pad, a support portion, an anesthesia mask, and a pressure portion. The bottom rod is fixed at both ends under the surface of the cross frame, the head pad is connected to the bottom rod and the cross frame through the support portion, and the anesthesia mask is connected to the side frame through the pressure portion.

[0004] Based on the above retrieval and combined with practical problems, it is found that: this device cannot move the patient's head. When the patient is in an anesthetized state, the human muscles will completely relax, and at the same time, the tongue root muscles will also become relaxed. When the patient lies flat, the relaxed tongue root will drop and block the airway opening, thereby increasing the risk of asphyxia. The head-tilt chin-lift method can effectively avoid asphyxia during anesthesia, but it is very inconvenient to perform this operation on the patient during surgery. Summary of the Invention

[0005] The purpose of the present invention is to provide a headrest type suspended anesthesia device to solve the problems raised in the above background art.

[0006] The technical solution of the present invention is: a headrest type suspended anesthesia device, including a bed board, an anesthesia machine, and a mask, and further including: a support board rotatably connected to one end of the bed board, an upward head-tilt and chin-lift mechanism is provided between the support board and the bed board, and a head movement mechanism is provided on the support board; the upward head-tilt and chin-lift mechanism includes two side plates fixed at one end of the bed board, a first rotating shaft, a second rotating shaft, and a third rotating shaft are rotatably connected between the two side plates. An elastic sleeve is sleeved on the outer side of the second rotating shaft at the middle position, an extension plate is fixed on the outer side of the sleeve ring, a sliding plate is slidably inserted at the lower end of the extension plate, and a pressing plate is movably arranged at the lower end of the sliding plate through an adjusting mechanism; a linkage mechanism is also provided, and the linkage mechanism enables the second rotating shaft to rotate synchronously with the support board; and the linkage mechanism includes two connecting rods rotatably connected to both ends of the support board, and two pull rods fixed at both ends of the third rotating shaft. The two connecting rods are respectively rotatably connected to the two pull rods, and a transmission mechanism is provided between the first rotating shaft, the second rotating shaft, and the third rotating shaft.

[0007] Preferably, the transmission mechanism includes a second pulley and a second gear fixed outside the first rotating shaft, a first gear fixed outside the second rotating shaft, and a first pulley fixed outside the third rotating shaft. The first gear and the second gear are meshed through teeth, and the second pulley and the first pulley are connected by a synchronous belt for transmission.

[0008] Preferably, the diameter of the second pulley is smaller than that of the first pulley.

[0009] Preferably, a limiting ring is fixed outside the second rotating shaft. One end of the collar is connected with a torsion spring, and one end of the torsion spring is connected with one end of the limiting ring.

[0010] Preferably, an internally threaded cylinder is arranged on one side of the lower end of the extension plate. A first screw rod is threadedly connected inside the internally threaded cylinder, and one end of the first screw rod extends to the inside of the extension plate.

[0011] Preferably, the adjusting mechanism includes a second screw rod threadedly connected through the lower end of the sliding plate. One end of the second screw rod is rotatably connected to one side of the pressing plate. Two guide rods are fixed at both ends of one side of the pressing plate, and a soft pad is arranged on the other side of the pressing plate. Both of the guide rods are slidably inserted into the inside of the sliding plate.

[0012] Preferably, an electric telescopic rod is rotatably installed at one end of the lower side of the bed board, and the telescopic end of the electric telescopic rod is rotatably connected to the lower side of the supporting plate.

[0013] Preferably, the head movement mechanism includes a rotating ring rotatably connected to the upper side of the supporting plate and a plurality of reset springs connected to the upper side of the supporting plate. The upper ends of the plurality of reset springs are connected to an activity plate. An activity column concentric with the rotating ring is fixed to the lower side of the activity plate. An annular plane is arranged on the outer side of the activity column. Two convex arc surfaces are arranged at positions on both sides of the head on the upper side of the annular plane. A roller is rotatably connected to the upper side of the rotating ring. The roller is in rolling connection with the upper sides of the annular plane and the convex arc surfaces. A driving mechanism is arranged between the rotating ring and the supporting plate. Dampers are arranged at positions corresponding to each reset spring on the lower side of the activity plate.

[0014] Preferably, the driving mechanism includes two vertical plates fixed to the upper side of the supporting plate and a plurality of worm gear teeth fixed to the outer side of the rotating ring. A worm meshing with the plurality of worm gear teeth is rotatably connected between the two vertical plates, and a driving motor for driving the worm is installed on one side of one of the vertical plates.

[0015] Preferably, a pillow pad is arranged on the upper side of the activity plate.

[0016] The present invention provides a headrest type suspended anesthesia device through improvement. Compared with the prior art, it has the following improvements and advantages:

[0017] First: Through the head - tilting and chin - lifting mechanism, when the patient is anesthetized, the patient's head will be tilted backward, and at the same time, a thrust will be applied to the patient's chin to lift the chin. Thus, the effect of the head - tilting and chin - lifting method can be simulated, making the patient's airway straight and separating the root of the tongue from the airway opening, effectively avoiding the airway opening being blocked by the relaxation of the root - of - tongue muscles, and thus reducing the risk of the patient suffocating during anesthesia.

[0018] Second: Through the head - movement mechanism, when the patient is in an anesthetized state, the movable plate therein can be tilted left and right, so that the patient's head can be rotated slightly left and right. Thus, the tongue and the root of the tongue can move left and right, preventing the root of the tongue from always being in the position of the airway opening, thereby avoiding blocking the airway opening, and further reducing the risk of the patient suffocating during the anesthetized state. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 is a three - dimensional structure schematic diagram of the present invention;

[0021] Figure 2 is of the present invention Figure 1 is an enlarged structure schematic diagram of part A therein;

[0022] Figure 3 is a partial enlarged structure schematic diagram of the present invention;

[0023] Figure 4 is a partial sectional structure schematic diagram of the present invention;

[0024] Figure 5 is of the present invention Figure 4 is an enlarged structure schematic diagram of part B therein;

[0025] Figure 6 is a structure schematic diagram of the head - movement mechanism of the present invention;

[0026] Figure 7 is a partial disassembled structure schematic diagram of the head - movement mechanism of the present invention.

[0027] Reference Signs:

[0028] 1. Bed board; 2. Anesthesia machine; 3. Mask; 4. Support board; 5. Electric telescopic rod; 101. Rotating shaft 1; 102. Rotating shaft 2; 103. Rotating shaft 3; 104. Side board; 105. Ring; 106. Extension board; 107. Slide board; 108. Torsion spring; 109. Limiting ring; 110. Internal threaded cylinder; 111. First screw rod; 112. Second screw rod; 113. Pressing plate; 114. Guide rod; 115. Cushion; 201. Connecting rod; 20 2. Pull rod; 203. First pulley; 204. Second pulley; 205. Synchronous belt; 206. First gear; 207. Second gear; 301. Movable plate; 302. Return spring; 303. Movable column; 304. Rotating ring; 305. Roller; 306. Annular plane; 307. Raised arc surface; 309. Vertical plate; 310. Worm; 311. Driving motor; 312. Worm gear; 313. Pillow pad; 314. Damper. DETAILED DESCRIPTION

[0029] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments 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.

[0030] The present invention provides a headrest type suspended anesthesia device through improvement. The technical solution of the present invention is:

[0031] like Figures 1 to 7 As shown, an embodiment of the present invention provides a headrest type suspended anesthesia device, including a bed board 1, an anesthesia machine 2 and a mask 3, and also includes: a support board 4 rotatably connected to one end of the bed board 1, an electric telescopic rod 5 is rotatably installed at one end of the lower side of the bed board 1, the telescopic end of the electric telescopic rod 5 is rotatably connected to the lower side of the support board 4, a head tilting and jaw lifting mechanism is arranged between the support board 4 and the bed board 1, and a head movable mechanism is arranged on the support board 4; the head tilting and jaw lifting mechanism includes two side panels 104 fixed to one end of the bed board 1, a rotating shaft 101, a rotating shaft 2 102, and a rotating shaft 3 103 are rotatably connected between the two side panels 104, and the outer side of the rotating shaft 2 102 is located in the middle A ring 105 is provided on the elastic sleeve at the section position, an extension plate 106 is fixed on the outer side of the ring 105, a slide plate 107 is slidably inserted on the lower end of the extension plate 106, and a pressure plate 113 is movably provided on the lower end of the slide plate 107 through an adjusting mechanism; a linkage mechanism is also provided, and the linkage mechanism enables the second rotating shaft 102 to rotate synchronously with the support plate 4; and the linkage mechanism includes two connecting rods 201 rotatably connected at both ends of the support plate 4, and two pull rods 202 fixed at both ends of the rotating shaft three 103, the two connecting rods 201 are rotatably connected to the two pull rods 202, and a transmission mechanism is provided between the rotating shaft one 101, the rotating shaft two 102, and the rotating shaft three 103.

[0032] Further, the transmission mechanism includes a second pulley 204 and a second gear 207 fixed on the outside of the rotating shaft 101, a first gear 206 fixed on the outside of the rotating shaft 2 102, and a first pulley 203 fixed on the outside of the rotating shaft 3 103. The first gear 206 and the second gear 207 are meshed with teeth, and the second pulley 204 and the first pulley 203 are connected by a synchronous belt 205. The diameter of the second pulley 204 is smaller than the diameter of the first pulley 203.

[0033] When the support plate 4 flips downward, it drives the rotating shaft 3 103 to rotate, and the rotating shaft 3 103 drives the rotating shaft 2 102 to rotate through the transmission mechanism, thereby driving the extension plate 106 and the slide plate 107 to rotate, and the slide plate 107 applies a thrust to the patient's chin to play a role in lifting the jaw.

[0034] Furthermore, a limiting ring 109 is fixed to the outer side of the second rotating shaft 102, one end of the collar 105 is connected to a torsion spring 108, and one end of the torsion spring 108 is connected to one end of the limiting ring 109;

[0035] The limiting ring 109 and the sleeve ring 105 are elastically connected by the torsion spring 108. When the slide plate 107 applies a thrust to the patient's chin, the slide plate 107 is simultaneously subjected to a reaction force from the chin. Therefore, the torsion spring 108 can be appropriately compressed to prevent the slide plate 107 from applying an excessive thrust, which would cause a greater squeezing of the patient's chin, thereby ensuring the safety of the head-tilting and jaw-lifting process.

[0036] Furthermore, an internal threaded barrel 110 is disposed on one side of the lower end of the extension plate 106, and a first screw rod 111 is threadedly connected to the inner side of the internal threaded barrel 110, and one end of the first screw rod 111 extends to the inner side of the extension plate 106;

[0037] The first screw rod 111 is rotated and threadedly connected to the internal threaded tube 110. The slide plate 107 can be fixed at any position inside the extension plate 106 through the end of the first screw rod 111, so that the extension length of the slide plate 107 can be adjusted, and the relative position of the lower end of the slide plate 107 and the patient's chin can be adjusted, so that the lower end of the slide plate 107 is aligned with the patient's chin, thereby ensuring stability during jaw lifting.

[0038] Furthermore, the adjustment mechanism includes a second screw rod 112 threadedly connected to the lower end of the slide plate 107, one end of the second screw rod 112 is rotatably connected to one side of the pressing plate 113, two guide rods 114 are fixed at both ends of one side of the pressing plate 113, and a cushion 115 is provided on the other side of the pressing plate 113, and the two guide rods 114 are slidably inserted into the interior of the slide plate 107;

[0039] By rotating the second screw 112, the second screw 112 drives the pressing plate 113 to move, so that the soft pad 115 on one side of the pressing plate 113 fits against the patient's chin. When the extension plate 106 and the sliding plate 107 rotate towards the patient's head, the pressing plate 113 and the soft pad 115 will exert a thrust on the patient's chin, thereby lifting the patient's chin and achieving the effect of lifting the jaw.

[0040] Further, the head movement mechanism includes a rotating ring 304 rotatably connected to the upper side of the support plate 4 and a plurality of return springs 302 connected to the upper side of the support plate 4. The upper ends of the plurality of return springs 302 are connected to a movable plate 301. A movable column 303 concentric with the rotating ring 304 is fixed to the lower side of the movable plate 301. An annular plane 306 is provided on the outer side of the movable column 303. Two convex arc surfaces 307 are provided on the upper side of the annular plane 306 at the positions on both sides of the head. A roller 305 is rotatably connected to the upper side of the rotating ring 304. The roller 305 is in rolling connection with the upper sides of the annular plane 306 and the convex arc surfaces 307. A driving mechanism is provided between the rotating ring 304 and the support plate 4. Dampers 314 are provided at the positions corresponding to each return spring 302 on the lower side of the movable plate 301; the driving mechanism includes two vertical plates 309 fixed to the upper side of the support plate 4 and a plurality of worm gear teeth 312 fixed to the outer side of the rotating ring 304. A worm 310 meshing with the plurality of worm gear teeth 312 is rotatably connected between the two vertical plates 309, and a driving motor 311 for driving the worm 310 is installed on one side of one of the vertical plates 309;

[0041] Through the head movement mechanism, when the patient is in an anesthetized state, the patient's head is placed on the upper side of the movable plate 301. When the rotating ring 304 rotates continuously, it can drive the movable plate 301 to tilt left and right continuously, so that the patient's head can rotate slightly left and right, so that the tongue and the base of the tongue can move left and right, further preventing the airway opening from being blocked, thereby further reducing the risk of asphyxia in the patient's anesthetized state and improving the safety during the anesthesia process. In order to prevent the movable plate 301 from shaking multiple times after tilting left and right, dampers 314 can be provided. The dampers 314 are used to absorb the kinetic energy of the left and right shaking of the movable plate 301 to ensure the stability of the patient's head.

[0042] Further, a pillow pad 313 is provided on the upper side of the movable plate 301;

[0043] The pillow pad 313 increases the contact area with the patient's head, improves the comfort, and avoids uneven pressure on the patient's head caused by long-term anesthesia.

[0044] Working principle: When in use, the patient lies on the upper side of the bed board 1 and presses the head on the upper side of the pillow cushion 313. Then, the mask 3 is worn on the patient's face, and the mask 3 is connected to the anesthetic output port of the anesthetic machine 2. The anesthetic drug generated by the anesthetic machine 2 enters the patient's respiratory tract and lungs through the mask 3, so that the patient enters the anesthetic state;

[0045] In order to avoid the risk of asphyxiation caused by the relaxation of the muscles near the root of the tongue blocking the airway when the patient is anesthetized, medical staff need to regularly control the telescopic end of the electric telescopic rod 5 to extend and retract, which can drive the support plate 4 to rotate, so that the angle of the support plate 4 changes. When the support plate 4 is turned downward by a certain angle, the patient's head can lean backward, and the bent trachea can be straightened appropriately;

[0046] When the support plate 4 is turned downward, it will drive the two connecting rods 201 of the linkage mechanism to move downward. The two connecting rods 201 respectively pull the two pull rods 202 downward, and the two pull rods 202 rotate downward, thereby driving the third rotating shaft 103 to rotate by a certain angle. The third rotating shaft 103 drives the first pulley 203 of the transmission mechanism to rotate. The first pulley 203 drives the second pulley 204 to rotate through the synchronous belt 205, and the second pulley 204 drives the first rotating shaft 101 to rotate by the same angle in the same direction. When the first rotating shaft 101 rotates, it will drive the second gear 207 to rotate. Through the tooth engagement between the second gear 207 and the first gear 206, the second rotating shaft 102 can be driven to rotate in the reverse direction by a certain angle. The second rotating shaft 102 can drive the limit ring 109 to rotate synchronously. Since the collar 105 is elastically connected to the limit ring 109 through the torsion spring 108, the limit ring 109 can transmit the torque to the collar 105 through the torsion spring 108, driving the collar 105 to rotate. The collar 105 drives the extension plate 106 and the sliding plate 107 to rotate. The rotation direction of the sliding plate 107 faces the patient's head. By rotating the second screw rod 112, the second screw rod 112 drives the pressing plate 113 to move, so that the soft pad 115 on one side of the pressing plate 113 fits on the patient's chin position. When the extension plate 106 and the sliding plate 107 rotate towards the patient's head, the pressing plate 113 and the soft pad 115 will exert a thrust on the patient's chin, so that the patient's chin can be lifted, achieving the effect of lifting the jaw. Therefore, when the support plate 4 is turned downward, it can drive the sliding plate 107 to rotate synchronously and exert a thrust on the patient's chin. Therefore, it can simulate the head tilt-chin lift method to straighten the patient's airway, avoid the relaxation of the tongue root muscles blocking the airway opening, and thus reduce the risk of asphyxiation of the patient during anesthesia;

[0047] The limit ring 109 and the collar 105 are elastically connected through the torsion spring 108. When the sliding plate 107 exerts a thrust on the patient's chin, the sliding plate 107 is simultaneously subjected to the reaction force of the chin. Therefore, the torsion spring 108 can be appropriately compressed to avoid the excessive thrust exerted by the sliding plate 107, resulting in a large extrusion of the patient's chin, thus ensuring the safety of the head tilt-chin lift process;

[0048] Rotate the first screw rod 111. The first screw rod 111 is in threaded connection with the internal thread cylinder 110. The end of the first screw rod 111 can fix the sliding plate 107 at any position inside the extension plate 106, so that the extending length of the sliding plate 107 can be adjusted, and thus the relative positions of the pressing plate 113 and the soft pad 115 and the patient's chin can be adjusted, so that the thrust of the pressing plate 113 and the soft pad 115 is applied to the patient's chin position, preventing the soft pad 115 from sliding relative to the chin, thereby ensuring more stability when lifting the jaw.

[0049] At the same time, the drive motor 311 in the head movement mechanism operates to drive the worm 310 to rotate. The worm 310 can mesh with a plurality of worm gear teeth 312, thereby driving the rotating ring 304 to rotate. The rotating ring 304 drives the roller 305 to rotate around the movable column 303. When the roller 305 rolls on the upper side of the annular plane 306, it will not apply a downward pressure to the movable column 303. When the roller 305 rolls to the upper side of any one of the convex arc surfaces 307, a downward pressure can be applied to the movable column 303 through the convex arc surface 307. Since the movable plate 301 is elastically connected to the upper side of the support plate 4 through a plurality of return springs 302, when the roller 305 applies a downward pressure to one of the convex arc surfaces 307, one side of the movable column 303 and the movable plate 301 can be pressed downward, so that the movable plate 301 tilts to one side. Similarly, when the roller 305 rolls to the upper side of another convex arc surface 307, the movable plate 301 can tilt to the other side. When the rotating ring 304 rotates continuously, the movable plate 301 can be driven to tilt left and right continuously, so that the patient's head can rotate slightly left and right, so that the tongue and the root of the tongue can move left and right, further avoiding blocking the airway opening, and further reducing the asphyxia risk of the patient in the anesthetic state.

[0050] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A headrest type suspended anesthesia device, comprising a bed board (1), an anesthesia machine (2) and a mask (3), characterized in that: Also includes: A support plate (4) is rotatably connected to one end of the bed board (1), a head-tilting and jaw-lifting mechanism is provided between the support plate (4) and the bed board (1), and a head movable mechanism is provided on the support plate (4); The head-tilting and jaw-lifting mechanism comprises two side plates (104) fixed at one end of the bed board (1), and a first rotating shaft (101), a second rotating shaft (102), and a third rotating shaft (103) are rotatably connected between the two side plates (104); a sleeve (105) is elastically sleeved at the middle position of the outer side of the second rotating shaft (102), and an extension plate (106) is fixed to the outer side of the sleeve (105); a slide plate (107) is slidably inserted at the lower end of the extension plate (106), and a pressing plate (113) is movably provided at the lower end of the slide plate (107) through an adjusting mechanism; A linkage mechanism is also provided, and the linkage mechanism enables the second rotating shaft (102) to rotate synchronously with the support plate (4); The linkage mechanism comprises two connecting rods (201) rotatably connected to the two ends of the support plate (4) and two pull rods (202) fixed to the two ends of the rotating shaft (103). The two connecting rods (201) are rotatably connected to the two pull rods (202) respectively, and a transmission mechanism is arranged between the rotating shaft (101), the rotating shaft (102) and the rotating shaft (103).

2. The headrest type suspended anesthesia device according to claim 1, characterized in that: The transmission mechanism comprises a second pulley (204) and a second gear (207) fixed on the outside of the first rotating shaft (101), a first gear (206) fixed on the outside of the second rotating shaft (102), and a first pulley (203) fixed on the outside of the third rotating shaft (103); the first gear (206) and the second gear (207) are meshed with teeth, and the second pulley (204) and the first pulley (203) are connected by a synchronous belt (205).

3. The headrest type suspended anesthesia device according to claim 2, characterized in that: The diameter of the second pulley (204) is smaller than the diameter of the first pulley (203).

4. The headrest type suspended anesthesia device according to claim 1, characterized in that: A limiting ring (109) is fixed on the outer side of the second rotating shaft (102), one end of the sleeve ring (105) is connected to a torsion spring (108), and one end of the torsion spring (108) is connected to one end of the limiting ring (109).

5. The headrest type suspended anesthesia device according to claim 1, characterized in that: An internal threaded barrel (110) is provided at one side of the lower end of the extension plate (106), and a first screw rod (111) is threadedly connected to the inner side of the internal threaded barrel (110), and one end of the first screw rod (111) extends to the inner side of the extension plate (106).

6. The headrest type suspended anesthesia device according to claim 1, characterized in that: The adjustment mechanism comprises a second screw rod (112) threadedly connected to the lower end of the slide plate (107); one end of the second screw rod (112) is rotatably connected to one side of a pressure plate (113); two guide rods (114) are fixed at both ends of one side of the pressure plate (113); a soft pad (115) is provided on the other side of the pressure plate (113); and the two guide rods (114) are slidably inserted into the interior of the slide plate (107).

7. The headrest type suspended anesthesia device according to claim 1, characterized in that: An electric telescopic rod (5) is rotatably mounted on one end of the lower side of the bed board (1), and the telescopic end of the electric telescopic rod (5) is rotatably connected to the lower side of the support plate (4).

8. The headrest type suspended anesthesia device according to claim 1, characterized in that: The head movable mechanism comprises a rotating ring (304) rotatably connected to the upper side of the support plate (4) and a plurality of return springs (302) connected to the upper side of the support plate (4); the upper ends of the plurality of return springs (302) are connected to a movable plate (301); a movable column (303) arranged concentrically with the rotating ring (304) is fixed to the lower side of the movable plate (301); an annular plane (306) is arranged on the outer side of the movable column (303); and the annular plane (306) Two raised arc surfaces (307) are arranged on the upper side at both sides of the head, a roller (305) is rotatably connected to the upper side of the rotating ring (304), the roller (305) is rollingly connected to the annular plane (306) and the upper side of the raised arc surface (307), a driving mechanism is arranged between the rotating ring (304) and the support plate (4), and a damper (314) is arranged on the lower side of the movable plate (301) at the position corresponding to each reset spring (302).

9. The headrest type suspended anesthesia device according to claim 8, characterized in that: The driving mechanism comprises two vertical plates (309) fixed on the upper side of the support plate (4) and a plurality of worm gear teeth (312) fixed on the outer side of the rotating ring (304); a worm (310) meshing with the plurality of worm gear teeth (312) is rotatably connected between the two vertical plates (309); and a driving motor (311) for driving the worm (310) is installed on one side of one of the vertical plates (309).

10. The headrest type suspended anesthesia device according to claim 8, characterized in that: A pillow pad (313) is provided on the upper side of the movable plate (301).

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