A multifunctional nursing stand for cardiovascular surgery

Abstract

The present invention discloses a multifunctional nursing frame for cardiovascular surgery, which relates to the field of medical devices, including a bed frame, a folding bed board arranged on the bed frame, and guardrails arranged symmetrically on both sides of the bed frame, wherein the guardrails include a plurality of rotation grooves equidistantly arranged on the sides of the bed frame, the inner side surfaces of the rotation grooves are rotationally connected to a main rod, the outsides of all the main rods are fixedly connected to the same guardrail frame, the top of the guardrail frame is fixedly connected to a straight plate, and a positioning component for limiting the rotation of the guardrail frame is arranged on the bed frame. The multifunctional nursing frame for cardiovascular surgery, through the coordinated use of guardrails, positioning components and auxiliary nursing mechanisms, can assist patients in performing leg flexion exercises during the postoperative nursing of cardiovascular patients, thereby effectively promoting blood circulation in the patient's body, reducing the discomfort caused to the patient by long-term bed rest, and also effectively reducing the nursing labor intensity of nursing staff.

Description

Technical Field

[0001] The invention relates to medical device technology, in particular to a multifunctional nursing frame for cardiovascular surgery. Background Art

[0002] After surgery, patients with cardiovascular diseases generally need to lie down for a period of time to ensure normal recovery. During the patient's recuperation, medical staff can adjust the patient's lying posture and condition with the help of the nursing frame on which the patient lies, which not only makes the patient more comfortable during the nursing process, but also makes the nursing process easier for medical staff.

[0003] However, when patients lie down for a long time, their limbs lack exercise, which may lead to slower blood circulation in the body and cause some unnecessary complications. In addition, the nursing frame has limited functions in actual application and cannot assist patients in local limb exercise. Therefore, during the recuperation process, caregivers are required to manually press the patient's body parts and assist the patient in small movements to promote the patient's blood circulation speed, which makes the nursing labor intensity of medical staff higher. Summary of the invention

[0004] The purpose of the present invention is to provide a multifunctional nursing rack for cardiovascular surgery to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: a multifunctional nursing frame for cardiovascular surgery, comprising a bed frame, a folding bed board arranged on the bed frame, and guardrails arranged symmetrically on both sides of the bed frame, wherein the guardrails comprise a plurality of rotation grooves equidistantly arranged on the sides of the bed frame, the inner side surfaces of the rotation grooves are rotatably connected to main rods, the outsides of all the main rods are fixedly connected to the same guardrail frame, the top of the guardrail frame is fixedly connected to a straight plate, and a positioning component for limiting the rotation of the guardrail frame is arranged on the bed frame;

[0006] An auxiliary care mechanism is arranged on the guardrail, and the auxiliary care mechanism includes a support box arranged on the straight plates on both sides, the support box is provided with a driving component for driving the support box to move, a support plate is arranged on one side of the support box, a right-angle bracket is opened on the surface of the support plate, an adjustment component for adjusting the position of the support plate is arranged on the support box, and a receiving seat is arranged on one side of the bed frame.

[0007] Furthermore, the positioning assembly includes a guide groove opened on the surface of the bed frame, the guide groove is arranged on one side of the rotating groove, the inner side surface of the guide groove is slidably connected with a U-shaped frame, and the other side of the rotating groove is provided with a slot adapted to the U-shaped frame, the inner wall of the slot is fixedly connected with a magnetic block, the U-shaped frame is made of metal material, and the distance value between the inner walls of the open ends of the U-shaped frame corresponds to the diameter value of the main rod, and the U-shaped frame can limit the rotation of the main rod.

[0008] Furthermore, the driving assembly includes guide plates symmetrically fixedly connected to both sides of the receiving seat surface, the position of the guide plates is adapted to the straight plates, the surface of the straight plate on one side and the surface of the guide plate on the same side are provided with tooth grooves, a working cavity is provided inside the support box, the inner side surface of the working cavity is rotatably connected with a gear, an empty groove is provided at the bottom of the support box, the bottom of the gear passes through the empty groove and engages with the tooth groove, and C-grooves are symmetrically provided at the bottom of the inner side surface of the support box, the C-grooves on both sides are arranged to face each other, and the support box is slidably connected to the side surfaces of the straight plates on both sides through the C-grooves on both sides.

[0009] Furthermore, a small reduction motor is installed inside the working chamber, a first pulley is installed outside the output shaft of the small reduction motor, a second pulley is coaxially fixedly connected to the outside of the gear, and a transmission belt is connected between the first pulley and the second pulley.

[0010] The cam is configured to move the locking cam to a position adjacent to the support frame, the locking cam being configured to move the locking cam to a position adjacent to the support frame, the locking cam being configured to move the locking cam to a position adjacent to the support frame.

[0011] Furthermore, the adjustment groove includes intersecting transverse grooves and vertical grooves, the transverse groove is opened on the inner wall of the receiving groove, and the end of the transverse groove close to the support plate extends to the support plate, and the vertical groove is opened on the support plate. The guide column can move horizontally along the transverse groove, and after moving to the end intersecting with the vertical groove, enter the vertical groove and move vertically along the vertical groove.

[0012] Furthermore, the position and size specifications of the positioning groove are adapted to the positioning block, the limit moving stroke distance value of the fault-tolerant slider in the fault-tolerant groove corresponds to the length value of the positioning block, and when the surface of the side of the support plate away from the receiving seat is flush with the surface of the same side of the connecting plate, the fault-tolerant slider abuts against the inner wall of the side of the fault-tolerant groove away from the receiving seat, and when the positioning block is fully embedded in the positioning groove, the fault-tolerant slider moves to abut against the inner wall of the side of the fault-tolerant groove close to the receiving seat.

[0013] Furthermore, a relief mechanism is provided on the support box, and the relief mechanism includes an active cavity opened inside the support box, an electric telescopic rod is fixedly installed on the top of the inner wall of the active cavity, and the bottom of the telescopic end of the electric telescopic rod is fixedly connected to a guide slide, and a mounting frame is provided at the bottom of the guide slide, and a massage roller is rotatably connected to the inner side surface of the mounting frame, and a plurality of rubber protrusions are equidistantly provided on the outer surface of the massage roller.

[0014] Furthermore, the guide slide plate and the mounting frame are both slidably connected to the inner wall of the active cavity.

[0015] Furthermore, a pressure control assembly is provided between the guide slide and the mounting frame, and the pressure control assembly includes a sleeve fixedly connected to the bottom of the guide slide, the inner side surface of the sleeve is slidably connected with a sleeve plate, the bottom of the sleeve plate passes through the bottom pipe opening of the sleeve and is fixedly connected to the mounting frame, a convex plate is provided on the top of the sleeve plate, and a pressure spring is fixedly connected between the top of the convex plate and the inner wall of the sleeve.

[0016] Furthermore, the convex plate is slidably connected to the inner side surface of the sleeve, and the size of the convex plate is greater than the size of the bottom pipe opening of the sleeve, and the sleeve plate is slidably connected to the inner side surface of the bottom pipe opening of the sleeve.

[0017] Compared with the prior art, the multifunctional nursing rack for cardiovascular surgery provided by the present invention has the following beneficial effects:

[0018] 1. The multifunctional nursing frame for cardiovascular surgery, through the coordinated use of guardrails, positioning components and auxiliary nursing mechanisms, can assist patients in performing leg flexion exercises during postoperative nursing of cardiovascular patients, thereby effectively promoting blood circulation in patients, reducing the discomfort caused by long-term bed rest to patients, and also effectively reducing the nursing labor intensity of nursing staff.

[0019] 2. The multifunctional nursing frame for cardiovascular surgery can adjust the position and height of the support plate according to the needs of the patient during use through the use of the adjustment component, so that it can better meet the patient's exercise needs and make the patient more comfortable during exercise.

[0020] 3. The multifunctional nursing frame for cardiovascular surgery can perform roller massage on the patient's body as needed during the patient's postoperative care through the use of the relief mechanism, thereby promoting blood circulation in the patient's body and facilitating the patient's recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 A schematic diagram of the overall structure provided by an embodiment of the present invention;

[0023] Figure 2 The embodiment of the present invention provides Figure 1 The middle part of the structure is enlarged and schematically shown;

[0024] Figure 3 A schematic diagram of a partial cross-sectional structure of a bed frame provided by an embodiment of the present invention;

[0025] Figure 4 A schematic diagram of a partial cross-sectional structure of a support box provided in an embodiment of the present invention;

[0026] Figure 5 The embodiment of the present invention provides Figure 4 The enlarged structural diagram at A in the middle;

[0027] Figure 6 A schematic diagram of the working state structure of the support plate and the support box provided in an embodiment of the present invention;

[0028] Figure 7 The embodiment of the present invention provides Figure 6 The enlarged structural diagram at B in the middle;

[0029] Figure 8 A schematic diagram of the structure of a support plate and a connecting plate provided in an embodiment of the present invention;

[0030] Fig. 9 A schematic diagram of a partial cross-sectional structure of a support plate and a connecting plate provided in an embodiment of the present invention;

[0031] Fig.10 The embodiment of the present invention provides Fig. 9 The enlarged structural diagram at C in the middle;

[0032] Fig.11 A schematic diagram of the internal structure of a casing is provided for an embodiment of the present invention.

[0033] Description of reference numerals:

[0034] 1. Bed frame; 2. Folding bed board; 3. Guardrail; 31. Main rod; 32. Guardrail frame; 33. Straight board; 34. Positioning assembly; 341. Guide groove; 342. U-shaped frame; 343. Slot; 344. Magnetic block; 4. Auxiliary nursing mechanism; 41. Support box; 42. Driving assembly; 421. Guide plate; 422. Tooth groove; 423. Gear; 424. First pulley; 425. Second pulley; 426. Transmission belt; 427. C-shaped groove; 43. Support plate; 44. Right-angle bracket; 45. Adjustment assembly; 451. Receiving groove ; 452, support plate; 453, adjustment groove; 4531, horizontal groove; 4532, vertical groove; 454, positioning groove; 455, guide column; 456, positioning block; 457, positioning groove; 458, connecting plate; 459, fault-tolerant groove; 4510, fault-tolerant slider; 46, receiving seat; 5, relief mechanism; 51, electric telescopic rod; 52, guide slide plate; 53, mounting frame; 54, massage roller; 55, rubber protrusion; 56, pressure control assembly; 561, sleeve; 562, sleeve plate; 563, convex plate; 564, pressure spring. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0036] Embodiment 1:

[0037] See also Figure 1-Figure 3 A multifunctional nursing frame for cardiovascular surgery, comprising a bed frame 1, a folding bed board 2 arranged on the bed frame 1, and guardrails 3 arranged symmetrically on both sides of the bed frame 1, the guardrail 3 comprising a plurality of rotation grooves equidistantly arranged on the side of the bed frame 1, the inner side of the rotation groove is rotatably connected to a main rod 31, the outside of all the main rods 31 is fixedly connected to the same guardrail frame 32, the top of the guardrail frame 32 is fixedly connected to a straight plate 33, and a positioning component 34 for limiting the rotation of the guardrail frame 32 is arranged on the bed frame 1;

[0038] The positioning assembly 34 includes a guide groove 341 opened on the surface of the bed frame 1, and the guide groove 341 is arranged on one side of the rotating groove. The inner side surface of the guide groove 341 is slidably connected with a U-shaped frame 342, and the other side of the rotating groove is provided with a slot 343 adapted to the U-shaped frame 342. The inner wall of the slot 343 is fixedly connected with a magnetic block 344. The U-shaped frame 342 is made of metal material, and the distance value between the inner walls of the open end of the U-shaped frame 342 corresponds to the diameter value of the main rod 31, and the U-shaped frame 342 can limit the rotation of the main rod 31.

[0039] Specifically, the two rods on the U-shaped frame 342 are respectively engaged with the two sides of the main rod 31, which can limit the rotation and reset of the main rod 31, so that it can maintain a stable state when it is erected for use;

[0040] Furthermore, under the action of the magnetic attraction of the magnetic block 344, after the open end of the U-shaped frame 342 is inserted into the slot 343, it can limit the withdrawal of the U-shaped frame 342 to a certain extent, so that it can provide stable support for the guardrail 3.

[0041] It should be further explained that a push block is fixedly connected to the top of the U-shaped frame 342, and a connecting groove is provided on the surface of the bed frame 1. The push block is slidably connected to the inner side of the connecting groove, and the U-shaped frame 342 can be driven to move by pushing the push block.

[0042] An auxiliary care mechanism 4 is arranged on the guardrail 3, and the auxiliary care mechanism 4 includes a support box 41 arranged on the straight plates 33 on both sides, and a driving component 42 for driving the support box 41 to move is arranged on the support box 41, and a support plate 43 is arranged on one side of the support box 41, and a right-angle bracket 44 is opened on the surface of the support plate 43, and an adjustment component 45 for adjusting the position of the support plate 43 is arranged on the support box 41, and a receiving seat 46 is arranged on one side of the bed frame 1.

[0043] In this embodiment, the driving component 42 includes a guide plate 421 symmetrically fixedly connected to both sides of the surface of the receiving seat 46, the position of the guide plate 421 is adapted to the straight plate 33, the surface of the straight plate 33 on one side and the surface of the guide plate 421 on the same side are provided with tooth grooves 422, a working chamber is provided inside the support box 41, the inner side surface of the working chamber is rotatably connected with a gear 423, an empty groove is provided at the bottom of the support box 41, the bottom of the gear 423 passes through the empty groove and engages with the tooth groove 422, and C-grooves 427 are symmetrically provided at the bottom of the inner side surface of the support box 41, the openings of the C-grooves 427 on both sides are arranged facing each other, and the support box 41 is slidingly connected to the side surfaces of the straight plates 33 on both sides through the C-grooves 427 on both sides.

[0044] Specifically, the C-shaped grooves 427 on both sides are engaged with the side edges of the straight plates 33 on both sides, so that the support box 41 can be stably supported.

[0045] Furthermore, the surface of the straight plate 33 on one side and the surface of the guide plate 421 on the same side are both provided with tooth grooves 422, so that after the work is completed, the gear 423 can be driven to rotate by a small reduction motor, and the support box 41 can be driven to move to the receiving seat 46, so that it will not hinder the normal use of the nursing frame.

[0046] Furthermore, the surface of the straight plate 33 on one side and the surface of the guide plate 421 on the same side are both provided with tooth grooves 422, while the surfaces of the straight plate 33 on the other side and the guide plate 421 are not provided with tooth grooves 422. The position of the support box 41 can be moved by cooperating with the tooth grooves 422 on one side and the gear 423, while the straight plate 33 and the guide plate 421 on the other side can provide auxiliary support and guidance for the position movement of the support box 41, so that the position movement of the support box 41 can remain stable.

[0047] It should be further explained that a baffle is provided on the side of the receiving seat 46 away from the guardrail 3 to block the moving stroke of the support box 41 , thereby effectively preventing the support box 41 from accidentally falling off the receiving seat 46 .

[0048] In this embodiment, a small reduction motor is installed inside the working chamber, a first pulley 424 is installed outside the output shaft of the small reduction motor, a second pulley 425 is coaxially fixedly connected to the outside of the gear 423, and a transmission belt 426 is connected between the first pulley 424 and the second pulley 425.

[0049] Specifically, the small reduction motor is controlled to drive the first pulley 424 to rotate. Under the transmission action of the transmission belt 426, the second pulley 425 rotates synchronously with the first pulley 424, and the rotation of the second pulley 425 drives the gear 423 to rotate. Under the transmission action of the tooth groove 422, the gear 423 will move along the length direction of the straight plate 33 during the rotation process. The movement of the gear 423 drives the support box 41 to move, so that the position of the support box 41 can be adjusted.

[0050] In this embodiment, the adjustment component 45 includes a receiving groove 451 provided on the surface of the support box 41, the receiving groove 451 is provided on a side of the support box 41 away from the receiving seat 46, and the support box 41 surface is fixedly connected with support plates 452 symmetrically distributed on both sides of the receiving groove 451, and the two sides of the inner wall of the receiving groove 451 are symmetrically provided with adjustment grooves 453 extending to the support plates 452, and the inner wall of the receiving groove 451 is provided with a positioning groove 454 connected to the lower end of the adjustment groove 453, and the adjustment groove 453 is fixedly connected to the support plates 452. The inner side surface is slidably connected to a guide column 455, and the outside of the guide column 455 is fixedly connected to a connecting plate 458, and the connecting plates 458 on both sides are provided with fault-tolerant grooves 459 on the opposite sides. The inner side surface of the fault-tolerant groove 459 is slidably connected to a fault-tolerant slider 4510, and the fault-tolerant slider 4510 is fixedly connected to the support plate 43. The surface of the support plate 43 close to the receiving seat 46 is fixedly connected with a positioning block 456 at equal intervals along its length direction, and the surface of the support box 41 is provided with a plurality of groups of positioning grooves 457 at equal intervals from top to bottom.

[0051] In this embodiment, the adjustment groove 453 includes an intersecting transverse groove 4531 and a vertical groove 4532. The transverse groove 4531 is opened on the inner wall of the receiving groove 451, and the end of the transverse groove 4531 close to the support plate 452 extends to the support plate 452, and the vertical groove 4532 is opened on the support plate 452. The guide column 455 can move horizontally along the transverse groove 4531, and after moving to the end intersecting with the vertical groove 4532, enter the vertical groove 4532 and move vertically along the vertical groove 4532.

[0052] In this embodiment, the position and size specifications of the positioning groove 457 are compatible with the positioning block 456, and the limit moving stroke distance value of the fault-tolerant slider 4510 in the fault-tolerant groove 459 corresponds to the length value of the positioning block 456. When the side surface of the support plate 43 away from the receiving seat 46 is flush with the same side surface of the connecting plate 458, the fault-tolerant slider 4510 abuts against the inner wall of the side of the fault-tolerant groove 459 away from the receiving seat 46. When the positioning block 456 is fully embedded in the positioning groove 457, the fault-tolerant slider 4510 moves to abut against the inner wall of the side of the fault-tolerant groove 459 close to the receiving seat 46.

[0053] When the patient needs to perform leg exercises, the first pulley 424 is driven to rotate by controlling the small reduction motor. Under the transmission action of the transmission belt 426, the second pulley 425 rotates synchronously with the first pulley 424, and the rotation of the second pulley 425 drives the gear 423 to rotate. Under the transmission action of the tooth groove 422, the gear 423 moves along the length direction of the straight plate 33 during the rotation process. The movement of the gear 423 drives the support box 41 to move, so that the position of the support box 41 can be adjusted, and the support plate 43 moves with the movement of the support box 41, so that it can reach a suitable position;

[0054] After the support plate 43 reaches the appropriate position, the operator moves the support plate 43 upward, so that the guide column 455 withdraws from the positioning groove 454 and enters the horizontal groove 4531, and then pulls the support plate 43 outward to withdraw it from the receiving groove 451. At the same time, the guide column 455 slides along the inner wall of the horizontal groove 4531 to the vertical groove 4532, and adjusts the position height of the support plate 43 according to the actual height of the patient's foot. When the support plate 43 moves to the appropriate position height, the operator pushes the support plate 43 to the side close to the support box 41, so that the positioning block 456 on the support plate 43 is inserted into the positioning groove 457, so that the support plate 43 can be stably supported.

[0055] After the position adjustment of the support plate 43 is completed, the operator lifts the patient's foot and places the patient's heel on the right-angle bracket 44, and then drives the gear 423 to rotate through a small reduction motor, so that the support box 41 can perform horizontal reciprocating motion for a certain distance. During the movement of the support box 41, the support plate 43 and the patient's foot are driven to move, which can assist the patient in knee flexion exercises, thereby greatly reducing the nursing labor intensity of the nursing staff.

[0056] Embodiment 2:

[0057] See also Figure 1-Figure 3 This embodiment provides a technical solution based on the above embodiments: a relief mechanism 5 is provided on the support box 41, and the relief mechanism 5 includes an active cavity opened inside the support box 41, an electric telescopic rod 51 is fixedly installed on the top of the inner wall of the active cavity, and a guide slide 52 is fixedly connected to the bottom of the telescopic end of the electric telescopic rod 51, and a mounting frame 53 is provided at the bottom of the guide slide 52, and a massage roller 54 is rotatably connected to the inner side surface of the mounting frame 53, and a plurality of rubber protrusions 55 are equidistantly provided on the outer surface of the massage roller 54.

[0058] In this embodiment, the guide slide 52 and the mounting frame 53 are both slidably connected to the inner wall of the movable cavity, so that the guide slide 52 and the mounting frame 53 can move smoothly in the vertical direction under the drive of the electric telescopic rod 51.

[0059] It should be further explained that, in the storage state, the distance between the bottom end of the massage roller 54 and the folding bed board 2 is smaller than the distance between the guide slide 52 and the bottom of the active cavity of the support box 41, so that the guide slide 52 can always stably guide the vertical movement of the massage roller 54.

[0060] In this embodiment, a pressure control assembly 56 is arranged between the guide slide 52 and the mounting frame 53. The pressure control assembly 56 includes a sleeve 561 fixedly connected to the bottom of the guide slide 52. The inner side surface of the sleeve 561 is slidably connected with a sleeve plate 562. The bottom of the sleeve plate 562 passes through the bottom pipe opening of the sleeve 561 and is fixedly connected to the mounting frame 53. A convex plate 563 is arranged on the top of the sleeve plate 562. A pressure spring 564 is fixedly connected between the top of the convex plate 563 and the inner wall of the sleeve 561.

[0061] Specifically, the protruding plate 563 is slidably connected to the inner side surface of the sleeve 561, and the size of the protruding plate 563 is larger than the size of the bottom pipe opening of the sleeve 561, and the sleeve 562 is slidably connected to the inner side surface of the bottom pipe opening of the sleeve 561, so that the sleeve 562 cannot be separated from the bottom of the sleeve 561 during the downward movement, thereby stably connecting the mounting frame 53 and the guide slide 52.

[0062] During use, when it is necessary to massage the legs or back to promote blood circulation, the first pulley 424 is driven to rotate by controlling the small reduction motor. Under the transmission action of the transmission belt 426, the second pulley 425 rotates synchronously with the first pulley 424, and the rotation of the second pulley 425 drives the gear 423 to rotate. Under the transmission action of the tooth groove 422, the gear 423 moves along the length direction of the straight plate 33 during the rotation process. The movement of the gear 423 drives the support box 41 to move, so that the position of the support box 41 can be adjusted, so that the position of the massage roller 54 can move to a suitable position with the support box 41.

[0063] When the massage roller 54 is adjusted to a suitable position, the electric telescopic rod 51 is started to extend its telescopic end downward and drive the guide slide 52 and the mounting frame 53 to move downward. The mounting frame 53 moves downward and drives the massage roller 54 to move downward, so that the massage roller 54 can abut against the patient's limbs or other positions that need massage to relieve discomfort. After the massage roller 54 contacts the patient's body, its continued downward movement is blocked. At this time, the continued movement of the guide slide 52 drives the sleeve 561 to continue to move downward, and relative movement occurs between the sleeve 562 and the sleeve 562. During the relative movement, the pressure spring 564 is compressed. When the pressure spring 564 is compressed, the downward pressure it applies to the sleeve 562 changes with the change of its own compression degree, and the sleeve 562 transmits the pressure it receives, so that the contact pressure between the massage roller 54 and the patient's body can be adjusted according to actual needs.

[0064] After the massage roller 54 is adjusted, the gear 423 is driven to rotate back and forth by a small reduction motor. The rotation of the gear 423 can drive the support box 41 to perform linear reciprocating motion within a certain range. When the support box 41 moves, it will drive the massage roller 54 to move. Under the action of the contact friction resistance between the massage roller 54 and the patient's body, the massage roller 54 can rotate, and with the cooperation of the rubber protrusion 55, the patient's body can be effectively relaxed, thereby effectively reducing the patient's physical discomfort caused by lying down for a long time.

[0065] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A multifunctional nursing frame for cardiovascular surgery, comprising a bed frame (1), a folding bed board (2) arranged on the bed frame (1), and guardrails (3) arranged symmetrically on both sides of the bed frame (1), characterized in that: The guardrail (3) comprises a plurality of rotation grooves equidistantly arranged on the side of the bed frame (1); the inner side of the rotation groove is rotatably connected to a main rod (31); the outside of all the main rods (31) is fixedly connected to the same guardrail frame (32); the top of the guardrail frame (32) is fixedly connected to a straight plate (33); and a positioning component (34) for limiting the rotation of the guardrail frame (32) is provided on the bed frame (1); The guardrail (3) is provided with an auxiliary nursing mechanism (4), the auxiliary nursing mechanism (4) comprising a support box (41) provided on the straight plates (33) on both sides, the support box (41) being provided with a driving assembly (42) for driving the support box (41) to move, a support plate (43) being provided on one side of the support box (41), a right-angle bracket (44) being provided on the surface of the support plate (43), an adjusting assembly (45) for adjusting the position of the support plate (43) being provided on the support box (41), and a receiving seat (46) being provided on one side of the bed frame (1); The adjustment component (45) comprises a receiving groove (451) provided on the surface of the support box (41); the receiving groove (451) is provided on a side of the support box (41) away from the receiving seat (46); the surface of the support box (41) is fixedly connected with support plates (452) symmetrically distributed on both sides of the receiving groove (451); adjustment grooves (453) extending to the support plates (452) are symmetrically provided on both sides of the inner wall of the receiving groove (451); a positioning groove (454) connected to the lower side of the end of the adjustment groove (453) is provided on the inner wall of the receiving groove (451); the inner wall of the adjustment groove (453) is provided with a positioning groove (454) A guide column (455) is slidably connected to the side, a connecting plate (458) is fixedly connected to the outside of the guide column (455), and fault-tolerant grooves (459) are provided on the opposite sides of the connecting plates (458) on both sides, and a fault-tolerant slider (4510) is slidably connected to the inner side of the fault-tolerant groove (459), and the fault-tolerant slider (4510) is fixedly connected to the support plate (43), and a positioning block (456) is fixedly connected to the surface of one side of the support plate (43) close to the receiving seat (46) along its length direction at equal distances, and a plurality of groups of positioning grooves (457) are provided on the surface of the support box (41) in order from top to bottom at equal distances; The adjusting groove (453) comprises a transverse groove (4531) and a vertical groove (4532) intersecting each other. The transverse groove (4531) is provided on the inner wall of the receiving groove (451), and one end of the transverse groove (4531) close to the support plate (452) extends to the support plate (452). The vertical groove (4532) is provided on the support plate (452). The guide column (455) can move horizontally along the transverse groove (4531), and after moving to the end intersecting with the vertical groove (4532), enter the interior of the vertical groove (4532), and move vertically along the vertical groove (4532). The position and size specifications of the positioning groove (457) are compatible with the positioning block (456); the limit moving stroke distance value of the fault-tolerant slider (4510) in the fault-tolerant groove (459) corresponds to the length value of the positioning block (456); when the side surface of the support plate (43) away from the receiving seat (46) is flush with the same side surface of the connecting plate (458), the fault-tolerant slider (4510) abuts against the inner wall of the side of the fault-tolerant groove (459) away from the receiving seat (46); when the positioning block (456) is completely embedded in the positioning groove (457), the fault-tolerant slider (4510) moves to abut against the inner wall of the side of the fault-tolerant groove (459) close to the receiving seat (46).

2. A multifunctional nursing stand for cardiovascular surgery according to claim 1, characterized in that: The positioning assembly (34) comprises a guide groove (341) provided on the surface of the bed frame (1); the guide groove (341) is arranged on one side of the rotating groove; a U-shaped frame (342) is slidably connected to the inner side surface of the guide groove (341); a slot (343) adapted to the U-shaped frame (342) is provided on the other side of the rotating groove; a magnetic block (344) is fixedly connected to the inner wall of the slot (343); the U-shaped frame (342) is made of metal material; the distance between the inner walls of the open ends of the U-shaped frame (342) corresponds to the diameter of the main rod (31); and the U-shaped frame (342) can limit the rotation of the main rod (31).

3. A multifunctional nursing stand for cardiovascular surgery according to claim 2, characterized in that: The driving assembly (42) comprises guide plates (421) symmetrically fixedly connected to both sides of the surface of the receiving seat (46); the position of the guide plates (421) is adapted to the straight plate (33); the surface of the straight plate (33) on one side and the surface of the guide plate (421) on the same side are both provided with tooth grooves (422); a working cavity is provided inside the support box (41); the inner side surface of the working cavity is rotatably connected with a gear (423); an empty groove is provided at the bottom of the support box (41); the bottom of the gear (423) passes through the empty groove and meshes with the tooth groove (422); a C-shaped groove (427) is symmetrically provided at the bottom of the inner side surface of the support box (41); the openings of the C-shaped grooves (427) on both sides are arranged facing each other; and the support box (41) is slidably connected to the side surfaces of the straight plates (33) on both sides through the C-shaped grooves (427) on both sides.

4. A multifunctional nursing stand for cardiovascular surgery according to claim 3, characterized in that: A small reduction motor is installed inside the working chamber, a first pulley (424) is installed outside the output shaft of the small reduction motor, a second pulley (425) is coaxially fixedly connected to the outside of the gear (423), and a transmission belt (426) is connected between the first pulley (424) and the second pulley (425).

5. The multifunctional nursing stand for cardiovascular surgery according to claim 4, characterized in that: The support box (41) is provided with a relief mechanism (5), the relief mechanism (5) comprises an active cavity opened inside the support box (41), an electric telescopic rod (51) is fixedly mounted on the top of the inner wall of the active cavity, a guide slide (52) is fixedly connected to the bottom of the telescopic end of the electric telescopic rod (51), a mounting frame (53) is provided at the bottom of the guide slide (52), a massage roller (54) is rotatably connected to the inner side surface of the mounting frame (53), and a plurality of rubber protrusions (55) are equidistantly arranged on the outer surface of the massage roller (54).

6. A multifunctional nursing stand for cardiovascular surgery according to claim 5, characterized in that: The guide slide plate (52) and the mounting frame (53) are both slidably connected to the inner wall of the active cavity.

7. The multifunctional nursing stand for cardiovascular surgery according to claim 6, characterized in that: A pressure control assembly (56) is provided between the guide slide (52) and the mounting frame (53), and the pressure control assembly (56) comprises a sleeve (561) fixedly connected to the bottom of the guide slide (52); a sleeve plate (562) is slidably connected to the inner side surface of the sleeve (561); the bottom of the sleeve plate (562) passes through the bottom pipe opening of the sleeve (561) and is fixedly connected to the mounting frame (53); a convex plate (563) is provided at the top of the sleeve plate (562); a pressure-bearing spring (564) is fixedly connected between the top of the convex plate (563) and the inner wall of the sleeve (561); the convex plate (563) is slidably connected to the inner side surface of the sleeve (561); the size value of the convex plate (563) is greater than the size value of the bottom pipe opening of the sleeve (561); and the sleeve plate (562) is slidably connected to the inner side surface of the bottom pipe opening of the sleeve (561).

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