Medical hyperbaric oxygen chamber nursing bed

Abstract

The invention relates to the technical field of nursing beds, and particularly discloses a medical hyperbaric oxygen chamber nursing bed which comprises a nursing bed frame, a nursing bed plate and an alarm, and the alarm is mounted on the surface of the nursing bed frame; the trigger mechanism is located between the alarm and the nursing bed board; the mistaken touch recognition mechanism is connected with the triggering mechanism; according to the medical hyperbaric oxygen chamber nursing bed, a patient on a sickbed can actively trigger the driving mechanism through preset actions, and at the moment, the mistaken touch recognition mechanism judges whether the patient touches mistakenly or needs to seek help at the moment according to the action frequency of the patient; when the patient is judged to be in the help-seeking state, an alarm button of the alarm is triggered, medical staff outside the hyperbaric oxygen chamber are called in time, doctor-patient communication efficiency is improved, and the emergency assessment mechanism can judge the emergency degree of the patient according to the action frequency of the patient and transmit information to the medical staff outside the hyperbaric oxygen chamber.

Description

Technical Field

[0001] The present invention relates to the technical field of nursing beds, and particularly to a medical hyperbaric oxygen chamber nursing bed. Background Technique

[0002] A medical hyperbaric oxygen chamber is a special medical device for hyperbaric oxygen therapy. In an environment with a pressure higher than normal atmospheric pressure (one standard atmospheric pressure), patients inhale pure oxygen or high-concentration oxygen. By increasing the environmental pressure, the content of dissolved oxygen in the blood is greatly increased, the partial pressure of blood oxygen and the blood oxygen diffusion distance are improved, so as to improve the hypoxic state of tissues and organs, promote aerobic metabolism of cells, and play a role in treating diseases.

[0003] Most medical hyperbaric oxygen chambers (especially those for treating critically ill or bedridden patients) are equipped with nursing beds for patients who cannot sit up to lie flat for treatment. During the hyperbaric oxygen treatment process, the patient lies on the nursing bed inside the hyperbaric oxygen chamber, while medical staff control parameters such as pressure and oxygen concentration outside the chamber and communicate with the patient through an intercom system (such as guiding breathing cooperation and asking about discomfort). Family members need to wait in the designated area. If the patient needs to communicate, generally it is relayed through medical staff outside the chamber, or in some permitted cases, directly through the intercom system (subject to hospital regulations).

[0004] The hyperbaric oxygen chamber is a sealed chamber (usually a cylindrical metal structure), and medical staff can only observe patients outside the chamber through monitoring and intercom systems. And bedridden patients, due to lying flat, have limited range of motion and cannot move their limbs close to the chamber wall or camera, resulting in limited transmission of visual signals such as facial expressions and gestures. And during the treatment process, pressurization / decompression operations need to be carried out, and the change of air pressure inside the chamber is likely to cause discomfort in the patient's middle ear (such as earache, tinnitus), affecting the clarity of hearing, resulting in delayed two-way communication, low efficiency of doctor-patient communication, and even lag in the handling of emergencies, delaying the treatment opportunity. For this reason, we propose a medical hyperbaric oxygen chamber nursing bed. Summary of the Invention

[0005] The purpose of the present invention is to provide a medical hyperbaric oxygen chamber nursing bed to solve the problems raised in the above background technique that the hyperbaric oxygen chamber is a sealed chamber (usually a cylindrical metal structure), and medical staff can only observe patients outside the chamber through monitoring and intercom systems. And bedridden patients, due to lying flat, have limited range of motion and cannot move their limbs close to the chamber wall or camera, resulting in limited transmission of visual signals such as facial expressions and gestures. And during the treatment process, pressurization / decompression operations need to be carried out, and the change of air pressure inside the chamber is likely to cause discomfort in the patient's middle ear (such as earache, tinnitus), affecting the clarity of hearing, resulting in delayed two-way communication, low efficiency of doctor-patient communication, and even lag in the handling of emergencies, delaying the treatment opportunity.

[0006] To achieve the above object, the present invention provides the following technical solution: A medical hyperbaric oxygen chamber nursing bed, including a nursing bed frame, and the nursing bed frame is installed inside the hyperbaric oxygen chamber; further including: a nursing bed board, which is installed on the surface of the nursing bed frame; an alarm, which is installed on the surface of the nursing bed frame; A triggering mechanism, which is located between the alarm and the nursing bed board, and a bedridden patient triggers the alarm button of the alarm through the triggering mechanism; A mis-touch recognition mechanism, which is connected to the triggering mechanism. The mis-touch recognition mechanism judges whether the patient has mis-touched according to the time when the patient completes a predetermined action, and controls the triggering mechanism to work after judging non-mis-touch. The triggering mechanism presses the alarm button of the alarm; An emergency assessment mechanism, which is connected to the triggering mechanism. The emergency assessment mechanism emits alarms with different sharpness according to different movement amplitudes of the patient; The emergency assessment mechanism includes a detection seat. A communication groove is opened on the inner wall of the detection seat. A trapezoidal block is slidably connected to the inner wall of the communication groove. One end of the trapezoidal block close to the detection seat is fixedly connected with a piston plate three. The piston plate three is slidably connected to the inner wall of the communication groove. A return spring two is fixedly connected to the outside of the piston plate three. The return spring two is installed on the inner wall of the communication groove. A whistle is installed on the outside of the detection seat. The whistle is communicated with the communication groove. A one-way conduction part is arranged inside the detection seat.

[0007] Among them, the triggering mechanism includes a pressing block, which is located outside the alarm button of the alarm. A plurality of plastic brackets are fixedly connected to the outside of the pressing block. The plastic brackets are L-shaped and are fixed to the surface of the alarm. A chute is opened on the inner wall of the pressing block, and an alarm part is arranged on the inner wall of the chute; A driving mechanism, which is connected to the pressing block. The patient actively controls the pressing block to press the alarm button of the alarm through the driving mechanism.

[0008] Among them, the alarm part includes a triggering block, which is slidably connected to the inner wall of the chute. The triggering block corresponds to the position of the alarm button of the alarm. One end of the triggering block away from the alarm is fixedly connected with a piston plate one. The piston plate one is slidably connected to the inner wall of the chute. A return spring one is fixedly connected to the outside of the piston plate one. The return spring one is fixed to the inner wall of the chute.

[0009] Among them, the driving mechanism includes a transmission pipe communicated with the pressing block. One end of the transmission pipe away from the pressing block is communicated with a communication box. The communication box is hollow. A Y-shaped conduit is communicated with the outside of the communication box. The remaining two ends of the Y-shaped conduit are respectively connected with an air delivery part.

[0010] Among them, the gas delivery component includes a fixed seat installed under the nursing bed board. The detection seat is installed on the outer side of the fixed seat. An air storage cavity is formed in the inner wall of the fixed seat. An air inlet and an exhaust pipe are respectively formed at the top of the air storage cavity. The air inlet is connected to the mis-touch recognition mechanism. An exhaust component is installed on the outer side of the exhaust pipe. A piston plate II is slidably connected to the inner wall of the air storage cavity. One end of the piston plate II away from the air inlet is fixedly connected to a compression spring, and the compression spring is fixed to the inner wall of the air storage cavity. The outer side of the fixed seat is fixedly connected with an air outlet pipe, and the air outlet pipe is communicated with the air storage cavity. A Y-shaped conduit is communicated with a connecting pipe, and a communicating component for controlling the communication state between the connecting pipe and the air outlet pipe is arranged between the connecting pipe and the air outlet pipe; The exhaust component includes a sealing box communicated with the exhaust pipe. The sealing box is installed on the surface of the fixed seat. A sealing plate is slidably connected to the inner wall of the sealing box. A pull rope is fixedly connected to the outer side of the sealing plate. One end of the sealing plate away from the pull rope is fixedly connected to an elastic rope, and the elastic rope is fixed to the inner wall of the sealing box. The end of the pull rope away from the sealing plate penetrates through the sealing box and is fixedly connected to the piston plate II.

[0011] Among them, the communicating component includes a transmission cylinder, which is respectively communicated with the connecting pipe and the air outlet pipe. A rotating groove is formed in the inner wall of the transmission cylinder. A closed cylinder is rotatably connected to the inner wall of the rotating groove. A communication hole is formed in the surface of the closed cylinder. A driving wheel I is fixedly connected to the outer side of the closed cylinder, and the driving wheel I is connected to the mis-touch recognition mechanism.

[0012] Among them, the mis-touch recognition mechanism includes an airbag communicated with the air inlet. One end of the piston plate II close to the compression spring is fixedly connected with a connecting rod. A transmission rope is fixedly connected to the end of the connecting rod. One end of the transmission rope away from the connecting rod is fixedly connected with a winding drum, and the transmission rope is wound on the surface of the winding drum. A shaft rod is fixedly connected to the axis of the winding drum, and the shaft rod is rotatably connected to the fixed seat. The shaft rod is located inside the detection seat. The shaft rod is connected to a one-way conduction component. A driving component for driving the driving wheel I to rotate is arranged at one end of the shaft rod, and a reset component for rewinding the transmission rope is arranged at the other end of the shaft rod.

[0013] Among them, the driving component includes a driving wheel II fixedly connected to the shaft rod. A conveyor belt is installed on the outer side of the driving wheel II, and the driving wheel I is located inside the conveyor belt.

[0014] Among them, the reset component includes a scroll spring. One end of the scroll spring is fixedly connected to the shaft rod, and the other end of the scroll spring is fixed to the inner wall of the fixed seat.

[0015] Among them, the one-way conduction component includes a conduction wheel fixedly connected to the outer side of the shaft rod. A transmission cylinder is arranged on the outer side of the conduction wheel. The transmission cylinder is rotatably connected to the outer side of the shaft rod. A rubber block is fixedly connected to the outer side of the transmission cylinder. The rubber block is located below the trapezoidal block. A plurality of tooth blocks are fixedly connected to the side of the transmission cylinder close to the conduction wheel. A plurality of rubber clamping strips are installed on the surface of the conduction wheel.

[0016] The present invention has at least the following beneficial effects: When this application is in use, when a patient being treated in a hyperbaric oxygen chamber has an urgent need, the patient on the hospital bed can actively trigger the driving mechanism through a preset action. At this time, the accidental touch recognition mechanism determines whether the patient is accidentally touching or needs help based on the patient's action frequency, and triggers the alarm button of the alarm when it determines that the patient is in a help-seeking state, timely calling the medical staff outside the hyperbaric oxygen chamber, improving the doctor-patient communication efficiency, avoiding the deterioration of the patient's condition due to call delay, and the emergency assessment mechanism can also determine the urgency of the patient based on the frequency of the patient's actions, thereby emitting alarms with different sharpness levels to convey information to the medical staff outside the hyperbaric oxygen chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the whole of the present invention; Figure 2 is a schematic side view of the driving mechanism of the present invention; Figure 3 is a schematic side view of the structure of the present invention; Figure 4 is a schematic top view of the structure of the present invention; Figure 5 is Figure 4 an enlarged schematic view of area A in Figure 6 is a schematic diagram of the internal structure of the present invention; Figure 7 is a schematic side sectional view of the triggering mechanism of the present invention; Figure 8 is a schematic front sectional view of the fixing seat of the present invention; Figure 9 is Figure 8 an enlarged schematic view of area B in Figure 10 is a schematic side sectional view of the connecting member of the present invention; Figure 11 is a schematic side sectional view of the detection seat of the present invention; Figure 12 is a schematic diagram of the separated structure of the connecting member of the present invention; Figure 13 is a schematic front view of the fixing seat of the present invention; Figure 14 is Figure 13 an enlarged schematic view of area C in

[0018] In the figure: 1. Alarm; 2. Trigger mechanism; 20. Pressing block; 21. Plastic bracket; 22. Chute; 23. Alarm component; 24. Trigger block; 25. First piston plate; 26. First return spring; 3. Driving mechanism; 30. Transmission pipe; 31. Connecting box; 32. Y-shaped conduit; 33. Air delivery component; 34. Fixed seat; 35. Air storage cavity; 36. Air inlet; 37. Exhaust pipe; 38. Exhaust component; 39. Second piston plate; 310. Compression spring; 311. Sealing box; 312. Outlet pipe; 313. Connecting pipe; 314. Connecting component; 315. Transmission cylinder; 316. Rotating groove; 317. Sealing cylinder; 318. Connecting hole; 319. First transmission wheel; 320. Sealing plate; 321. Pulling rope; 322. Elastic rope; 4. False touch recognition mechanism; 40. Airbag; 41. Connecting rod; 42. Transmission rope; 43. Reel; 44. Shaft rod; 45. Transmission component; 46. Reset component; 47. Scroll spring; 48. Second transmission wheel; 49. Conveyor belt; 5. Emergency assessment mechanism; 50. Connecting groove; 51. Trapezoidal block; 52. Third piston plate; 53. Second return spring; 54. Whistle; 55. One-way conduction component; 56. Conduction wheel; 57. Transmission cylinder; 58. Rubber block; 59. Tooth block; 510. Rubber strip; 511. Detection seat; 6. Nursing bed frame; 7. Nursing bed board. Detailed implementation manners

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Embodiment 1 Please refer to Figures 1 to 14 , the present invention provides a technical solution: a medical hyperbaric oxygen chamber nursing bed, including a nursing bed frame 6, and the nursing bed frame 6 is installed in the hyperbaric oxygen chamber; further including: a nursing bed board 7, the nursing bed board 7 is installed on the surface of the nursing bed frame 6, and the nursing bed board 7 can rotate on the surface of the nursing bed frame 6; an alarm 1, the alarm is installed on the surface of the nursing bed frame 6; a trigger mechanism 2, the trigger mechanism 2 is located between the alarm 1 and the nursing bed board 7, and a bedridden patient triggers the alarm button of the alarm 1 through the trigger mechanism 2; a determination mechanism 4, the determination mechanism 4 is connected to the trigger mechanism, and the determination mechanism 4 determines whether the patient touches by mistake according to the time when the patient completes a predetermined action, and controls the trigger mechanism to work after determining that it is not a false touch, and the trigger mechanism presses the alarm button of the alarm 1; an emergency assessment mechanism 5, the emergency assessment mechanism 5 is connected to the trigger mechanism, and the emergency assessment mechanism 5 issues alarms with different sharpness according to different movement amplitudes of the patient.

[0021] During use, the nursing bed frame 6 is installed inside the hyperbaric oxygen chamber. Medical staff transfer the patient to be treated with hyperbaric oxygen onto the nursing bed board 7 inside the hyperbaric oxygen chamber and adjust the inclination angle of the nursing bed board 7 to make the patient in a comfortable position. The alarm 1 is installed at the head of the nursing bed frame 6. When the air pressure change inside the chamber causes discomfort in the patient's middle ear (such as earache, tinnitus), making the patient need to call the medical staff, the patient in the hospital bed can also actively trigger the driving mechanism 3 through a preset action. At this time, the mis-touch recognition mechanism 4 judges whether the patient's touch is a mis-touch or a request for help according to the patient's action frequency. This preset action depends on the patient's injury. For example, when the patient's body is inconvenient to move, this action can be swinging the head on the bed. Using the head swing as the trigger action, if it is a mis-touch, the driving mechanism 3 does not control the trigger mechanism 2 to trigger the alarm button of the alarm 1; if it is not a mis-touch, the mis-touch recognition mechanism 4 controls the driving mechanism 3 to work, the driving mechanism 3 controls the trigger mechanism 2 to work, and the trigger mechanism 2 actively triggers the alarm button of the alarm 1, so as to call the medical staff in time, avoid the delay in calling and worsening the patient's condition, and the emergency assessment mechanism 5 can also judge the emergency degree of the patient according to the frequency of the patient's actions, so as to issue alarms with different sharpness, so as to transmit information to the medical staff outside the hyperbaric oxygen chamber.

[0022] The emergency assessment mechanism 5 includes a detection seat 511. A communication groove 50 is opened on the inner wall of the detection seat 511. A trapezoidal body block 51 is slidably connected to the inner wall of the communication groove 50. One end of the trapezoidal body block 51 close to the detection seat 511 is fixedly connected with a third piston plate 52. The third piston plate 52 is slidably connected to the inner wall of the communication groove 50. A second return spring 53 is fixedly connected to the outside of the third piston plate 52. The second return spring 53 is installed on the inner wall of the communication groove 50. A whistle 54 is installed on the outside of the detection seat 511. The whistle 54 is communicated with the communication groove 50. A one-way conduction member 55 is arranged inside the detection seat 511. The one-way conduction member 55 is connected to the mis-touch recognition mechanism 4.

[0023] When the patient swings the head on the bed, it will trigger the mis-touch recognition mechanism 4 to work. The mis-touch recognition mechanism 4 drives the one-way conduction member 55 to rotate. Each time the one-way conduction member 55 rotates one circle, it will lift the trapezoidal body block 51 once. When the trapezoidal body block 51 moves upward, it pushes the third piston plate 52 to slide upward along the inner wall of the communication groove 50, so as to push the gas in the communication groove 50 into the whistle 54. The whistle 54 is generally made of materials such as metal and plastic, and there is a reed or ball that can make a sound inside. By blowing air, the air vibrates to make a sharp sound. When the third piston plate 52 moves upward, it compresses the second return spring 53, and the second return spring 53 pushes the trapezoidal body block 51 to reset when the trapezoidal body block 51 does not receive an upward thrust; If the interval time between consecutive head - shaking actions of the patient is long, after the patient makes one head - shaking movement, the mis - touch recognition mechanism 4 drives the one - way conduction part 55 to rotate fewer turns. The trapezoidal body block 51 drives the piston plate III 52 to make fewer piston movements on the inner wall of the communication groove 50. Thus, when the distance that the piston plate III 52 moves in the communication groove 50 each time is the same, the number of piston movements is small. If the patient's head - shaking action is faster, the mis - touch recognition mechanism 4 drives the one - way conduction part 55 to rotate faster, and the frequency of the trapezoidal body block 51 pushing up is higher, so the number of consecutive piston movements is more; Each movement of the piston plate III 52 will cause a certain amount of air to flow through the air outlet end of the communication groove 50 to the whistle 54. The more consecutive pumping times, the greater the total amount of air passing through the whistle 54 per unit time. According to the principle of fluid mechanics, in a pipeline (here, the connection part and the internal channel of the whistle 54 can be regarded as a similar pipeline), the greater the flow rate, the usually greater the flow velocity. More air is squeezed out, which will cause the air flow velocity to continuously stack up, and then lead to an increase in the vibration frequency of the air column in the whistle 54, making the sound sharper. Thus, the more spontaneous head - shaking movements the patient makes, the sharper the alarm sound emitted by the whistle 54, to cooperate with reminding the surrounding caregivers. And when the patient makes involuntary head - shaking, that is, mis - touch, the air flow generated by one or two piston movements is not enough to cause air vibration in the whistle 54, so no sound will be emitted, or the sound is low, thus not affecting the patient's normal rest; The triggering mechanism 2 includes a pressing block 20. The pressing block 20 is located outside the alarm button of the alarm 1. A plurality of plastic brackets 21 are fixedly connected to the outside of the pressing block 20. The plastic brackets 21 are L - shaped and are fixed to the surface of the alarm 1. A sliding groove 22 is opened on the inner wall of the pressing block 20, and an alarm part 23 is provided on the inner wall of the sliding groove 22; The driving mechanism 3, the driving mechanism 3 is connected to the pressing block 20, and the patient actively controls the pressing block to press the alarm button of the alarm 1 through the driving mechanism 3.

[0024] When triggering the alarm 1, the driving mechanism 3 pushes the pressing block 20 to move. Since the plastic brackets 21 are L - shaped and elastic, when the pressing block 20 approaches the alarm button of the alarm 1, it will drive the plastic brackets 21 to deform until the pressing block 20 triggers the alarm button of the alarm 1, and the alarm 1 alarms the nurse outside the hyperbaric oxygen chamber to cooperate with reminding the medical staff to go into the hyperbaric oxygen chamber to check.

[0025] When the patient triggers the alarm 1, the patient needs to repeat a specific action at a fixed frequency. When the patient performs this action, the driving mechanism 3 is triggered to work. The mis-touch recognition mechanism 4 detects the speed of the patient's action frequency, so as to judge whether the patient is mis-touching or needs to call the medical staff at this time. If it is a mis-touch, the driving mechanism 3 does not control the alarm component 23 to work, so that the alarm component 23 does not press the alarm button of the alarm 1; if it is not a mis-touch, the driving mechanism 3 controls the alarm component 23 to work, and the alarm component 23 works and triggers the alarm button of the alarm 1.

[0026] The alarm component 23 includes a trigger block 24. The trigger block 24 is slidably connected to the inner wall of the chute 22. The trigger block 24 corresponds to the position of the alarm button of the alarm 1. One end of the trigger block 24 away from the alarm 1 is fixedly connected to a first piston plate 25. The first piston plate 25 is slidably connected to the inner wall of the chute 22. A first return spring 26 is fixedly connected to the outside of the first piston plate 25. The first return spring 26 is fixed to the inner wall of the chute 22.

[0027] When the alarm component 23 works, the driving mechanism 3 injects gas into the chute 22, so that the air pressure in the chute 22 increases. The increased air pressure pushes the first piston plate 25 to slide on the inner wall of the chute 22. The first piston plate 25 stretches the first return spring 26, and the first piston plate 25 pushes the trigger block 24 to move, so that a part of the trigger block 24 extends out of the inner wall of the chute 22 and presses the alarm button of the alarm 1, thereby alarming the nurse outside the hyperbaric oxygen chamber.

[0028] The driving mechanism 3 includes a transmission pipe 30 communicated with the pressing block 20. One end of the transmission pipe 30 away from the pressing block 20 is communicated with a communication box 31. The communication box 31 is fixed on the surface of the nursing bed frame 6. The communication box 31 is hollow. A Y-shaped conduit 32 is communicated with the outside of the communication box 31. The remaining two ends of the Y-shaped conduit 32 are respectively connected with an air injection member 33.

[0029] During use, the communication box 31 is installed at the head of the hospital bed. The communication box 31 is hollow, and its function is to inject the gas input by the Y-shaped conduit 32 into the transmission pipe 30. When the driving mechanism 3 works, the patient triggers the air injection member 33, and the corresponding air injection member 33 will inject gas into the Y-shaped conduit 32. The gas enters the communication box 31 through the Y-shaped conduit 32, and the gas in the communication box 31 then enters the chute 22 of the pressing block 20 through the transmission pipe 30, so that the air pressure in the chute 22 increases to cooperate with pushing the first piston plate 25 to slide on the inner wall of the chute 22.

[0030] The air delivery component 33 includes a fixed seat 34 installed below the nursing bed board 7. The detection seat 511 is installed on the outer side of the fixed seat 34. An air storage cavity 35 is provided on the inner wall of the fixed seat 34. An air inlet 36 and an exhaust pipe 37 are respectively provided at the top of the air storage cavity 35. The air inlet 36 is connected to the mis-touch recognition mechanism 4. An exhaust component 38 is installed on the outer side of the exhaust pipe 37. A piston plate two 39 is slidably connected to the inner wall of the air storage cavity 35. One end of the piston plate two 39 away from the air inlet 36 is fixedly connected to a compression spring 310. The compression spring 310 is fixed to the inner wall of the air storage cavity 35. An air outlet pipe 312 is fixedly connected to the outer side of the fixed seat 34. The air outlet pipe 312 communicates with the air storage cavity 35. A Y-shaped conduit 32 communicates with a connecting pipe 313. A communicating component 314 for controlling the communication state between the connecting pipe 313 and the air outlet pipe 312 is provided between the connecting pipe 313 and the air outlet pipe 312; The exhaust component 38 includes a sealing box 311 communicated with the exhaust pipe 37. The sealing box 311 is installed on the surface of the fixed seat 34. A sealing plate 320 is slidably connected to the inner wall of the sealing box 311. A pull rope 321 is fixedly connected to the outer side of the sealing plate 320. One end of the sealing plate 320 away from the pull rope 321 is fixedly connected to an elastic rope 322. The elastic rope 322 is fixed to the inner wall of the sealing box 311. The elastic limit of the elastic rope 322 determines the maximum displacement of the sealing plate 320 to prevent excessive stretching. The end of the pull rope 321 away from the sealing plate 320 penetrates through the sealing box 311 and is fixed to the piston plate two 39.

[0031] When the air delivery component 33 works, the mis-touch recognition mechanism 4 judges whether the patient touches by mistake according to the movement frequency of the patient. When it is judged that there is no mis-touch, the mis-touch recognition mechanism 4 drives the communicating component 314 to work. The communicating component 314 makes the connecting pipe 313 communicate with the air outlet pipe 312. As the patient continuously shakes their head, air continuously enters the air storage cavity 35. After the air pressure in the air storage cavity 35 increases, it pushes the piston plate two 39 to move downward. The piston plate two 39 drives the sealing plate 320 to move through the pull rope 321. The sealing plate 320 stretches the elastic rope 322, so that the sealing plate 320 closes the exhaust pipe 37. As the patient continues to shake their head, but when the elastic rope 322 is stretched to the maximum limit and no longer elongates, the position of the sealing plate 320 is restricted. Thus, the position of the piston plate two 39 is also restricted by the straightened pull rope 321 by the sealing plate 320, making the air pressure in the air storage cavity 35 start to increase. The gas in the air storage cavity 35 is discharged through the air outlet pipe 312. The gas discharged from the air outlet pipe 312 enters the connecting pipe 313 through the communicating component 314, and enters the Y-shaped conduit 32 through the connecting pipe 313 to cooperate with pushing the piston plate one 25 to slide on the inner wall of the chute 22, thereby triggering the alarm button of the alarm 1.

[0032] After the patient stops shaking their head, the reset spring one 26 pulls the piston plate one 25 to reset, so that the pull rope 321 is relaxed. Thus, the straightened elastic rope 322 drives the sealing plate 320 to reset, opening the exhaust pipe 37.

[0033] If the mis-touch recognition mechanism 4 determines that the patient's movement is a mis-touch, the distance that the second piston plate 39 descends is short. At this time, the exhaust pipe 37 is still in a connected state, so the air storage cavity 35 will be discharged through the exhaust pipe 37, and thus the alarm button of the alarm 1 will not be triggered.

[0034] The connecting member 314 includes a transmission cylinder 315. The transmission cylinder 315 is respectively communicated with the connecting pipe 313 and the air outlet pipe 312. A rotating groove 316 is formed in the inner wall of the transmission cylinder 315. A sealing cylinder 317 is rotatably connected to the inner wall of the rotating groove 316. Communication holes 318 are formed on the surface of the sealing cylinder 317. The opening size of the communication holes 318 is larger than the communication diameter between the transmission cylinder 315 and the connecting pipe 313. A first transmission wheel 319 is fixedly connected to the outside of the sealing cylinder 317. The first transmission wheel 319 is connected to the mis-touch recognition mechanism 4.

[0035] When the patient makes a predetermined movement, such as shaking the head, the patient will trigger the mis-touch recognition mechanism 4 to work. The mis-touch recognition mechanism 4 drives the first transmission wheel 319 to rotate. The first transmission wheel 319 drives the sealing cylinder 317 to rotate. When the patient shakes the head continuously for multiple times, as the number of times the patient shakes the head increases, the distance that the second piston plate 39 descends increases until the rotation angle of the sealing cylinder 317 driven by the first transmission wheel 319 just makes the communication holes 318 located at the communication position between the transmission cylinder 315 and the connecting pipe 313. At this time, the position of the second piston plate 39 is also restricted by the sealing plate 320 through the taut pull rope 321, and the exhaust pipe 37 is closed. Thus, the sealing cylinder 317 no longer closes the connection between the transmission cylinder 315 and the connecting pipe 313, and the gas entering the transmission cylinder 315 will enter the connecting pipe 313 through the communication holes 318.

[0036] The mis-touch recognition mechanism 4 includes an airbag 40 communicated with the air inlet 36. The airbag 40 is located on the nursing bed board 7. One end of the second piston plate 39 close to the compression spring 310 is fixedly connected with a connecting rod 41. A transmission rope 42 is fixedly connected to the end of the connecting rod 41. One end of the transmission rope 42 away from the connecting rod 41 is fixedly connected with a winding drum 43. The transmission rope 42 is wound on the surface of the winding drum 43. A shaft rod 44 is fixedly connected to the axis of the winding drum 43. The shaft rod 44 is rotatably connected to the fixed seat 34. The shaft rod 44 is located inside the detection seat 511. The shaft rod 44 is connected with a one-way conduction member 55. One end of the shaft rod 44 is provided with a transmission member 45 for driving the first transmission wheel 319 to rotate, and the other end of the shaft rod 44 is provided with a reset member 46 for rewinding the transmission rope 42.

[0037] When the patient makes a head-turning movement on the nursing bed board 7, as the patient's head approaches and then moves away from one side, the airbag 40 at that position is squeezed. The gas in the airbag 40 enters the air storage chamber 35 through the air inlet 36, increasing the air pressure in the air storage chamber 35. As a result, the second piston plate 39 slides on the inner wall of the air storage chamber 35. The second piston plate 39 squeezes the compression spring 310. The movement of the second piston plate 39 drives the connecting rod 41 to move. The connecting rod 41 moves downward to pull the transmission rope 42, causing the transmission rope 42 to drive the winding drum 43 to rotate. The winding drum 43 drives the shaft rod 44 to rotate, and the rotation of the shaft rod 44 drives the transmission part 45 to work. To prevent the involuntary head-turning of the patient in daily life from triggering the alarm 1, this application requires the patient to actively turn their head multiple times. Each time the patient turns their head, it will press and move away from the airbag 40. The airbag 40 is a mature existing technology on the market, and there is a one-way valve at its connection with the air inlet 36, which only allows the gas in the airbag 40 to flow towards the air inlet 36. After the patient stops pressing the airbag 40, the airbag 40 will automatically absorb the external gas and expand. Therefore, each time the patient turns their head, the second piston plate 39 will move in the air storage chamber 35, but the moving distance each time decreases as the second piston plate 39 moves. The second piston plate 39 drives the connecting rod 41 to move, and the connecting rod 41 stretches the transmission rope 42. Since the cross-sectional radius of the transmission rope 42 is small and it is wound around the surface of the winding drum 43, as the transmission rope 42 is stretched, the change in the size of the transmission rope 42 wound around the winding drum 43 can be ignored, and the distance that the connecting rod 41 descends each time will at least drive the winding drum 43 to rotate one circle.

[0038] If the time interval between two adjacent head-turning movements is long, the exhaust pipe 37 is in an open state, and the gas in the air storage chamber 35 will be discharged through the air outlet pipe 312. After the gas in the airbag 40 no longer enters the air storage chamber 35, the compressed compression spring 310 in a compressed state pushes the second piston plate 39 to reset. The second piston plate 39 drives the connecting rod 41 to move upward, and the reset part 46 drives the winding drum 43 to reverse to cooperate with rewinding the relaxed transmission rope 42.

[0039] If the patient shakes their head continuously multiple times (the patient needs to shake their head at least 3 times continuously with an interval of no more than 2 seconds to distinguish accidental touch from active call), the gas in the airbag 40 enters the air storage chamber 35 through the air inlet 36, increasing the air pressure in the air storage chamber 35. As a result, the second piston plate 39 slides on the inner wall of the air storage chamber 35, squeezing the compression spring 310. The movement of the second piston plate 39 drives the connecting rod 41 to move, and the second piston plate 39 drives the sealing plate 320 to move through the pull rope 321. The sealing plate 320 stretches the elastic rope 322, causing the sealing plate 320 to close the exhaust pipe 37. As the patient continues to shake their head, but when the elastic rope 322 is stretched to its maximum limit and no longer elongates, the position of the sealing plate 320 is restricted. Consequently, the position of the second piston plate 39 is also restricted by the taut pull rope 321 connected to the sealing plate 320, causing the air pressure in the air storage chamber 35 to start increasing. And the cumulative number of rotation circles of the shaft rod 44 just makes the communication hole 318 rotate to the communication position between the transmission cylinder 315 and the connecting pipe 313. Thus, as the patient continues to shake their head, the gas injected into the air storage chamber 35 by the airbag 40 enters the chute 22, increasing the air pressure in the chute 22 to cooperate with triggering the alarm button of the alarm 1.

[0040] The transmission member 45 includes a second transmission wheel 48 fixedly connected to the shaft rod 44. A conveyor belt 49 is installed outside the second transmission wheel 48, and the first transmission wheel 319 is located inside the conveyor belt 49.

[0041] When the shaft rod 44 rotates, the shaft rod 44 drives the second transmission wheel 48 to rotate. The second transmission wheel 48 drives the conveyor belt 49 to rotate, and the conveyor belt 49 synchronously drives the first transmission wheel 319 to rotate. Moreover, the diameter of the first transmission wheel 319 is larger than that of the second transmission wheel 48. So, after the shaft rod 44 drives the second transmission wheel 48 to rotate multiple times, the first transmission wheel 319 can drive the communication hole 318 to rotate to the communication position between the transmission cylinder 315 and the connecting pipe 313.

[0042] The reset member 46 includes a scroll spring 47. One end of the scroll spring 47 is fixedly connected to the shaft rod 44, and the other end of the scroll spring 47 is fixedly connected to the inner wall of the fixed seat 34.

[0043] When the transmission rope 42 pulls the winding drum 43 to rotate, the winding drum 43 drives the shaft 44 to rotate, and the shaft 44 contracts the vortex spring 47. The vortex spring 47 is usually made of sheet steel or metal alloy, and is in a flat spiral shape. Its appearance is similar to that of a tightly wound mosquito coil. Based on the elastic deformation characteristics of the material, when torque is applied to the vortex spring 47, the spring material produces bending elastic deformation, causing it to twist in the plane. After the external force disappears, the vortex spring 47 will return to its original shape and release the stored energy, thereby realizing the energy storage and release function. When the gas in the air storage chamber 35 is discharged through the exhaust pipe 37, the compressed spring 310 pushes the compressed air into the air chamber 35. The movable piston plate 39 is reset, and the piston plate 39 drives the connecting rod 41 to move upward, so that the transmission rope 42 is in a relaxed state, and the transmission rope 42 no longer pulls the winding drum 43. At this time, the vortex spring 47 in the contracted state begins to release the stored energy, thereby driving the shaft rod 44 to reverse, and the shaft rod 44 drives the winding drum 43 to reverse to cooperate with the re-winding of the transmission rope 42. When the shaft rod 44 drives the transmission wheel 2 48 to reverse, the transmission wheel 2 48 reverses the transmission wheel 1 319 through the conveyor belt 49, and the transmission wheel 1 319 drives the connecting hole 318 to reset, so that the closing cylinder 317 re-closes the connection between the transmission cylinder 315 and the connecting pipe 313.

[0044] The one-way conducting member 55 includes a transmission wheel 56 fixedly connected to the outer side of the shaft 44, a transmission cylinder 57 is provided on the outer side of the transmission wheel 56, the transmission cylinder 57 is rotatably connected to the outer side of the shaft 44, a rubber block 58 is fixedly connected to the outer side of the transmission cylinder 57, the rubber block 58 is located below the trapezoidal body 51, a plurality of tooth blocks 59 are fixedly connected to the side of the transmission cylinder 57 close to the transmission wheel 56, a plurality of rubber clips 510 are installed on the surface of the transmission wheel 56, the rubber clips 510 are arranged in an arc shape, and the cooperation between the rubber clips 510 and the tooth blocks 59 only allows the transmission cylinder 57 to rotate in one direction.

[0045] When the patient turns their head to one side on the hospital bed, as the patient presses the airbag 40, the gas in the airbag 40 enters the air storage chamber 35 through the air inlet 36. After the air pressure in the air storage chamber 35 increases, it pushes the second piston plate 39 to move. The second piston plate 39 drives the connecting rod 41 to move downward, thereby driving the shaft rod 44 to rotate. And each time the patient turns their head, they will press the airbag 40 once. Thus, the shaft rod 44 will rotate each time the patient turns their head. And during one head-turning process of the patient, the shaft rod 44 rotates multiple circles. When the second piston plate 39 descends to drive the shaft rod 44 to rotate, the shaft rod drives the conduction wheel 56 to rotate. The rubber strip 510 on the outside of the transmission wheel abuts against the tooth block 59 inside the transmission cylinder 57, thereby driving the transmission cylinder 57 to rotate together. The rotation of the transmission cylinder 57 causes the rubber block 58 to rotate and squeeze the trapezoidal block 51, causing the trapezoidal block 51 to slide along the inner wall of the communication groove 50. The trapezoidal block 51 drives the third piston plate 52 to perform a piston motion on the inner wall of the communication groove 50 to cooperate with squeezing the gas in the communication groove 50 into the whistle 54. And the faster the patient's head-turning movement is, the farther the second piston plate 39 moves within the maximum movement limit in the air storage chamber 35. Thus, the more times the third piston plate 52 performs a piston motion in the communication groove 50, the more consecutive pumping times there are, and the greater the total amount of air passing through the whistle 54 per unit time. This causes the vibration frequency of the air column in the whistle 54 to increase, and the sound becomes sharper. Thus, the more times the patient spontaneously turns their head, the sharper the alarm sound emitted by the whistle 54, to cooperate with reminding the surrounding caregivers. And when the patient turns their head unconsciously, that is, by accidental touch, the airflow generated by one or two piston motions is not sufficient to cause air vibration in the whistle 54, so no sound will be emitted, or the sound is low, thus not affecting the patient's normal rest.

[0046] When the scroll spring 47 drives the shaft rod 44 to reverse, the shaft rod 44 drives the conduction wheel 56 to reverse. The transmission wheel drives the rubber strip 510 to reverse. The arc surface of the rubber strip 510 is mutually squeezed with the tooth block 59 inside the transmission cylinder 57, causing the rubber strip 510 to deform, thereby realizing the relative rotation of the conduction wheel 56 on the inner wall of the transmission cylinder 57.

[0047] Embodiment 2 In the second embodiment, other structures remain unchanged. Different from the first embodiment, there are airbags 40 and corresponding accidental touch recognition mechanisms 4 and drive mechanisms 3 on both sides of the head of the hospital bed. The airbags 40 on both sides work independently. When the patient continuously turns their head to any side, it can trigger the corresponding accidental touch recognition mechanism 4 and drive mechanism 3, so that when the patient continuously turns their head to any side on both sides, the alarm 1 can be triggered to call the medical staff. And the shape of the airbag 40 is in an arc transition to facilitate the patient to turn their head to squeeze the gas inside the airbag 40.

[0048] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0049] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A medical hyperbaric oxygen chamber nursing bed, comprising: A nursing bed frame, and the nursing bed frame is installed inside a hyperbaric oxygen chamber; Characterized in that: it further includes: a nursing bed board, and the nursing bed board is installed on the surface of the nursing bed frame; An alarm, and the alarm is installed on the surface of the nursing bed frame; A triggering mechanism, which is located between the alarm and the nursing bed board, and a bedridden patient triggers the alarm button of the alarm through the triggering mechanism; A mis-touch recognition mechanism, which is connected to the triggering mechanism. The mis-touch recognition mechanism judges whether the patient has mis-touched according to the time when the patient completes a predetermined action, and controls the triggering mechanism to work after judging that it is not a mis-touch. The triggering mechanism presses the alarm button of the alarm; An emergency assessment mechanism, which is connected to the triggering mechanism. The emergency assessment mechanism issues alarms with different sharpness according to different movement amplitudes of the patient; The emergency assessment mechanism includes a detection seat, a communication groove is opened on the inner wall of the detection seat, a trapezoidal block is slidably connected to the inner wall of the communication groove, a piston plate three is fixedly connected to one end of the trapezoidal block close to the detection seat, and the piston plate three is slidably connected to the inner wall of the communication groove. A return spring two is fixedly connected to the outside of the piston plate three, and the return spring two is installed on the inner wall of the communication groove. A whistle is installed on the outside of the detection seat, and the whistle is communicated with the communication groove. A one-way conduction part is arranged inside the detection seat.

2. The medical hyperbaric oxygen chamber nursing bed according to claim 1, wherein: The triggering mechanism includes a pressing block, the pressing block is located outside the alarm button of the alarm, a plurality of plastic brackets are fixedly connected to the outside of the pressing block, the plastic brackets are L-shaped, and the plastic brackets are fixed to the surface of the alarm. A chute is opened on the inner wall of the pressing block, and an alarm part is arranged on the inner wall of the chute; A driving mechanism, which is connected to the pressing block, and the patient actively controls the pressing block to press the alarm button of the alarm through the driving mechanism.

3. The medical hyperbaric oxygen chamber nursing bed according to claim 2, characterized in that: The alarm part includes a triggering block, the triggering block is slidably connected to the inner wall of the chute, the triggering block corresponds to the position of the alarm button of the alarm, a piston plate one is fixedly connected to one end of the triggering block away from the alarm, the piston plate one is slidably connected to the inner wall of the chute, and a return spring one is fixedly connected to the outside of the piston plate one. The return spring one is fixed to the inner wall of the chute.

4. The medical hyperbaric oxygen chamber nursing bed according to claim 2, wherein: The driving mechanism includes a transmission pipe communicated with the pressing block, one end of the transmission pipe away from the pressing block is communicated with a communication box, the communication box is hollow, a Y-shaped conduit is communicated with the outside of the communication box, and the remaining two ends of the Y-shaped conduit are respectively connected with an air delivery part.

5. The medical hyperbaric oxygen chamber nursing bed according to claim 4, wherein: The air delivery part includes a fixed seat installed under the nursing bed board, the detection seat is installed outside the fixed seat, an air storage cavity is opened on the inner wall of the fixed seat, an air inlet and an exhaust pipe are respectively opened at the top of the air storage cavity, the air inlet is connected with the mis-touch recognition mechanism, and an exhaust part is installed on the outside of the exhaust pipe. A piston plate two is slidably connected to the inner wall of the air storage cavity, a compression spring is fixedly connected to one end of the piston plate two away from the air inlet, the compression spring is fixed to the inner wall of the air storage cavity, an air outlet pipe is fixedly connected to the outside of the fixed seat, and the air outlet pipe is communicated with the air storage cavity. The Y-shaped conduit is communicated with a connecting pipe, and a connecting part for controlling the communication state of the connecting pipe and the air outlet pipe is arranged between the connecting pipe and the air outlet pipe; The exhaust part includes a sealed box communicated with the exhaust pipe. The sealed box is installed on the surface of the fixed seat. A sealing plate is slidably connected to the inner wall of the sealed box. A pulling rope is fixedly connected to the outside of the sealing plate. One end of the sealing plate away from the pulling rope is fixedly connected with an elastic rope, and the elastic rope is fixed to the inner wall of the sealed box. The end of the pulling rope away from the sealing plate penetrates through the sealed box and is fixed to the piston plate II.

6. The medical hyperbaric oxygen chamber nursing bed according to claim 5, characterized in that: The connecting part includes a transmission cylinder, which is communicated with the connecting pipe and the air outlet pipe respectively. A rotating groove is formed in the inner wall of the transmission cylinder, and a closed cylinder is rotatably connected to the inner wall of the rotating groove. Communication holes are formed in the surface of the closed cylinder. A first transmission wheel is fixedly connected to the outside of the closed cylinder, and the first transmission wheel is connected with the mis-touch recognition mechanism.

7. The medical hyperbaric oxygen chamber nursing bed according to claim 6, wherein: The mis-touch recognition mechanism includes an airbag communicated with the air inlet. One end of the piston plate II close to the compression spring is fixedly connected with a connecting rod. A transmission rope is fixedly connected to the end of the connecting rod. The end of the transmission rope away from the connecting rod is fixedly connected with a winding drum. The transmission rope is wound on the surface of the winding drum. A shaft rod is fixedly connected to the axis of the winding drum. The shaft rod is rotatably connected to the fixed seat. The shaft rod is located inside the detection seat. The shaft rod is connected with a one-way conduction part. A transmission part for driving the first transmission wheel to rotate is arranged at one end of the shaft rod, and a reset part for rewinding the transmission rope is arranged at the other end of the shaft rod.

8. The medical hyperbaric oxygen chamber nursing bed according to claim 7, characterized in that: The transmission part includes a second transmission wheel fixedly connected to the shaft rod. A conveyor belt is installed outside the second transmission wheel. The first transmission wheel is located inside the conveyor belt.

9. The medical hyperbaric oxygen chamber nursing bed according to claim 7, characterized in that: The reset part includes a scroll spring. One end of the scroll spring is fixedly connected to the shaft rod, and the other end of the scroll spring is fixed to the inner wall of the fixed seat.

10. The medical hyperbaric oxygen chamber nursing bed according to claim 7, wherein: The one-way conduction part includes a conduction wheel fixedly connected to the outside of the shaft rod. A transmission cylinder is arranged outside the conduction wheel. The transmission cylinder is rotatably connected to the outside of the shaft rod. A rubber block is fixedly connected to the outside of the transmission cylinder. The rubber block is located below the trapezoidal block. A plurality of tooth blocks are fixedly connected to one side of the transmission cylinder close to the conduction wheel. A plurality of rubber clamping strips are installed on the surface of the conduction wheel.

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