CN115227500A

CN115227500A - Restraint sickbed for intensive care unit

Info

Publication number: CN115227500A
Application number: CN202210895239.4A
Authority: CN
Inventors: 蒋上
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-10-25
Anticipated expiration: 2042-07-26
Also published as: CN115227500B

Abstract

The invention discloses a restraint sickbed for an intensive care unit, which comprises: bed body, landing leg and activity harness. Under the condition that only one nurse is needed, the movable binding tool is turned over by taking the hinge shaft as the rotating shaft, after the movable binding tool is fixed, the arms and the half body below the movable binding tool still have movable spaces, so that the movable binding tool is prevented from pressing the body and various pipelines of a patient, but the movable spaces do not support the arms of the patient to be taken out of the movable binding tool, so that the limb restraint on one side of the patient is realized, at the moment, the movable binding tool in a restrained state is in a shell shape to wrap the patient, on the basis of ensuring the movable space of the patient and the pipeline space of an instrument, the movable range of the arms of the patient is reduced to the maximum extent, and the restraint effect on the patient is realized. Through the design of above-mentioned structure, when intensive care unit medical personnel quantity is less, can single retrain the patient, and then avoid mad disease to cause the injury to medical personnel.

Description

Restraint sickbed for intensive care unit

Technical Field

The invention relates to the technical field of medical sickbeds, in particular to a restraint sickbed for an intensive care unit.

Background

In the ICU ward that intensive care unit says now often, the long-term bed of conscious patient can produce the illusion, ICU syndrome that people said promptly, in case the illusion appears in the disease, need restraint the binding to the trick of disease in the very first time, avoid appearing dangerous behaviors such as extubation under long-term mental problem, it usually needs 2-3 people simultaneously present when the nurse binds the disease, in order to ensure that the disease can not grab mad suddenly and cause harm to medical personnel, the injury case majority known at present is during night shift, when the nurse binds the disease alone, the scalp that is caught the hair and leads to is peeled off, drop, the tear injury by mad disease. Therefore, there is a need for a restraint bed for an intensive care unit that at least partially solves the problems of the prior art.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present invention provides a restraint bed for an intensive care unit, comprising: a bed body, supporting legs and a movable binding tool; the supporting legs are arranged at the bottom of the bed body, the movable harness is hinged with the side wall of the bed body through a hinge shaft, the movable harness can be fixed at the bottom of the bed body, and the movable harness can be turned over and folded to the upper surface of the bed body through the hinge shaft.

Preferably, the bottom of the leg is provided with a pulley.

Preferably, the hinge shaft may be a self-locking hinge shaft.

Preferably, the movable harness is two L-shaped guardrails, the end of the short side of the movable harness is connected with the side wall of the bed body through the hinge shaft, and the long side of the movable harness can be turned over the bed body.

Preferably, the distance between the bottom surface of the folded long edge of the movable harness and the top surface of the bed body is H, and the value range of H is more than 25cm and less than 50cm.

Preferably, the length of the movable harness is L, and the value range of L is more than 60cm.

Preferably, after the movable harness is folded, the distance between the end parts of the two long sides is D, and the value range of D is more than 10cm and less than 30cm.

Preferably, the distance from the side edge of the movable harness to the bed head of the bed body is S, and the value range of S is more than 30cm and less than 40cm.

Preferably, a restraint belt is arranged on the long edge of the movable restraint device through an emergency device, a shell is sleeved outside the emergency device and connected with the long edge of the movable restraint device through the shell, one end of the restraint belt is used for binding the wrist of the patient, and the other end of the restraint belt penetrates through the shell and is connected with the emergency device;

the emergency device comprises a limit toothed plate, a rotating shaft, a limit chuck, a movable connecting rod and a torsion spring; the limiting toothed plate is provided with a toothed hole, the limiting chuck is arranged in the toothed hole and can be clamped with teeth on the limiting toothed plate, the limiting chuck is provided with a sliding hole, the movable connecting rod is arranged on the limiting chuck, two ends of the movable connecting rod are connected with the sliding Kong Kajie, one end of the rotating shaft is connected with the inner wall shaft of the shell, the other end of the rotating shaft is connected with the movable connecting rod, the restraint strap is wound on the rotating shaft, and the torsion spring is arranged on the rotating shaft;

the outer wall of the limiting chuck is provided with a boss, a clamping groove is formed in the boss and can be clamped with teeth of the limiting chuck, the sliding hole comprises a spiral section and a clamping section, one end of the movable connecting rod is movably connected with the starting end of the spiral section, the other end of the movable connecting rod is clamped with the clamping section, and the length of the spiral section and the length of the clamping section are both larger than the width of the movable connecting rod;

the distance between the spiral section and the center of the sliding hole is gradually reduced from the starting end to the ending end;

the distance between the clamping section and the circle center of the sliding hole is gradually reduced from the starting end to the ending end.

Preferably, the bottom of the bed body is provided with an opening and closing lock, the movable harness can be movably connected with the bottom of the bed body through the opening and closing lock when being stored, and the opening and closing lock comprises a fixing piece and a threaded column; the fixed piece is arranged at the bottom of the bed body, and the bent part of the movable harness can be accommodated in the fixed piece and is connected with the fixed piece through the threaded column;

the fixing piece comprises a connecting section, a containing section and an installation section; the storage section and the installation section are L-shaped, one end of the storage section is connected with the end of the connecting section, the other end of the storage section is connected with the end of the installation section, the threaded column is connected with the installation section in a threaded manner, and the connecting section is connected with the sliding block at the bottom of the bed body through a sliding screw.

Compared with the prior art, the invention at least comprises the following beneficial effects:

under the condition that only one nurse is needed, if the patient needs to be bound, the connection between the movable harness and the bed body is released before the patient comes to the hospital bed, then the movable harness is turned over by taking the hinge shaft as a rotating shaft, so that the movable harness is turned over to the upper surface of the bed body, the half body and the arms of the patient are placed below the movable harness, after the movable harness is fixed, the arms and the half body below the movable harness still have movable spaces, so that the movable harness is prevented from pressing the body and various pipelines of the patient, but the movable spaces do not support the arms of the patient to be taken out from the movable harness, so that the limb restraint on one side of the patient is realized, then the movable harness on the other side of the bed body is opened to restrain the other side of the patient, at the moment, the movable harness in a restrained state is in a shell shape to wrap the patient, on the basis of ensuring the movable spaces of the patient and the pipeline spaces of instruments, the movable harness can maximally reduce the movable range of the arms of the patient, and further realize the restraint effect on the patient. Through the design of above-mentioned structure, when intensive care unit medical personnel quantity is less, can single retrain the patient, and then avoid mad disease to cause the injury to medical personnel.

Other advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a restraint bed for an intensive care unit according to the present invention when stored.

Fig. 2 is a schematic structural view of a restraint bed for an intensive care unit according to the present invention during an opening process.

Fig. 3 is a schematic structural view of the restraint bed movable restraint tool for an intensive care unit according to the present invention.

Fig. 4 is a schematic structural diagram of a restraint bed for an intensive care unit according to the present invention.

Fig. 5 is a top view of a restraint bed for an intensive care unit according to the present invention when restraining a patient.

Fig. 6 is a schematic view of an emergency device in a restraint bed for an intensive care unit according to the present invention when not activated.

Fig. 7 is a schematic diagram of the emergency device in a constrained hospital bed for an intensive care unit according to the present invention when triggered.

Fig. 8 is a schematic structural view of an opening and closing lock in a restrained bed for an intensive care unit according to the present invention.

Fig. 9 is a schematic view of the movable restraint tool with the locking device and the locking device for the restraint bed of the intensive care unit according to the present invention.

In the figure: the emergency locking device comprises a bed body 1, a support leg 2, a movable binding tool 3, a hinge shaft 4, an emergency device 5, a limit toothed plate 51, a rotating shaft 52, a limit chuck 53, a movable connecting rod 54, a torsion spring 55, a restraint strap 6, an opening and closing lock 7, a threaded column 71, a connecting section 72, a storage section 73, an installation section 74 and a sliding screw 75.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-9, the present invention provides a constrained hospital bed for intensive care unit, comprising: a bed body 1, supporting legs 2 and a movable clamp 3; the supporting legs 2 are arranged at the bottom of the bed body 1, the movable harness 3 is hinged to the side wall of the bed body 1 through a hinge shaft 4, the movable harness 3 can be fixed at the bottom of the bed body 1, and the movable harness 3 can be folded to the upper surface of the bed body 1 through the hinge shaft 4.

The working principle and the beneficial effects of the technical scheme are as follows: under the condition of only one nurse, if the patient needs to be bound, the connection between the movable harness 3 and the bed body 1 is released before the patient comes to the hospital bed, then the movable harness 3 is turned over by taking the hinge shaft 4 as a rotating shaft, so that the movable harness 3 is turned over to the upper surface of the bed body 1, the half body and the arms of the patient are placed below the movable harness 3, after the movable harness 3 is fixed, the arms and the half body below the movable harness 3 still have a movable space, so that the patient body and various pipelines are prevented from being pressed by the movable harness 3, but the movable space does not support that the arms of the patient can be taken out from the movable harness 3, so that the limb constraint on one side of the patient is realized, then the movable harness 3 on the other side of the bed body 1 is also opened to constrain the limb on the other side of the patient, at the moment, the movable harness 3 in a restrained state is in a shell shape to wrap the patient, on the basis of ensuring the movable space and the pipeline space of the patient, the movable harness 3 is maximally reduced in the range of the arms, so that the constraint effect of the patient is realized. Through the design of above-mentioned structure, when intensive care unit medical personnel quantity is less, can single retrain the patient, and then avoid mad disease to cause the injury to medical personnel.

In one embodiment, the bottom of the leg 2 is provided with a pulley. The hinge shaft 4 can adopt a self-locking hinge shaft. The movable harness 3 is two L-shaped guardrails, the end part of the short side of the movable harness 3 is connected with the side wall of the bed body 1 through the hinge shaft 4, and the long side of the movable harness 3 can be rotated to the position above the bed body 1. The distance between the bottom surface of the folded long edge of the movable binding tool 3 and the top surface of the bed body 1 is H, and the value range of H is more than 25cm and less than 50cm. The length of the movable binding tool 3 is L, and the value range of L is more than 60cm. After the movable binding tool 3 is folded, the distance between the end parts of the two long edges is D, and the value range of D is more than 10cm and less than 30cm. The distance from the side edge of the movable binding tool 3 to the bed head of the bed body 1 is S, and the value range of S is more than 30cm and less than 40cm.

The working principle and the beneficial effects of the technical scheme are as follows: as shown in fig. 1-5, the range of H, L, D, S is as large as possible to ensure that the movable clamp 3 can cover most of the people from the chest to the knee joint, the range of height H between the movable clamp 3 and the bed 1 is 25cm-50cm for limiting the vertical movement distance of the elbow and knee of the patient, because the main attacking mode of the patient is to use the hand to grab hair, the height of elbow bending and the height of arm lifting can be controlled by limiting the vertical height, because the arm is located between the body and the short side of the movable clamp 3, when one side of the patient is bound, the hand on the other side located in the movable clamp 3 cannot injure the medical care personnel, the length L of the movable clamp 3 is used to cover the joints of the human body such as elbow joint, knee joint and the like, so the range of length L of the movable clamp 3 is more than 60cm, the distance D is reserved between the movable restraints 3 to prevent the movable restraints 3 from forming a closed structure, so that the situation that a pipeline is damaged when a patient struggles is avoided, the distance S is reserved between the bed head and the movable restraints 3 when the patient struggles to rise, the movable restraints 3 can be effectively blocked in front of the chest of the patient, the patient can not rise due to losing the force point, the injury to medical staff, medical equipment and adjacent patients when the patient struggles is further avoided, the hinge shaft 4 is a self-locking hinge shaft, the hinge shaft is usually applied to chairs such as office chairs and adjusting chairs, the self-locking hinge shaft can be used for adjusting the constraint height H of the movable restraints 3 according to the body shape of the patient, the patient can not be constrained due to being fattened, meanwhile, the self-locking hinge shaft has enough constraint force, can be locked when the movable restraints 3 are turned over, and accordingly the situation that the movable restraints 3 are prevented from being pushed back by the patient is avoided, and (4) bouncing off.

In one embodiment, a restraint belt 6 is arranged on a long edge of the movable harness 3 through an emergency device 5, a housing is sleeved outside the emergency device 5 and connected with the long edge of the movable harness 3 through the housing, one end of the restraint belt 6 is used for binding the wrist of the patient, and the other end penetrates through the housing and is connected with the emergency device 5;

the emergency device 5 comprises a limit toothed plate 51, a rotating shaft 52, a limit chuck 53, a movable connecting rod 54 and a torsion spring 55; the limiting toothed plate 51 is provided with a toothed hole, the limiting chuck 53 is arranged in the toothed hole, the limiting chuck 53 can be clamped with teeth on the limiting toothed plate 51, the limiting chuck 53 is provided with a sliding hole, the movable connecting rod 54 is arranged on the limiting chuck 53, two ends of the movable connecting rod 54 are connected with the sliding Kong Kajie, one end of the rotating shaft 52 is connected with the inner wall shaft of the housing, the other end of the rotating shaft 52 is connected with the movable connecting rod 54, the restraint strap 6 is wound on the rotating shaft 52, and the torsion spring 55 is arranged on the rotating shaft 52;

the outer wall of the limiting chuck 53 is provided with a boss, the boss is provided with a clamping groove, the clamping groove can be clamped with teeth of the limiting chuck 53, the sliding hole comprises a spiral section and a clamping section, one end of the movable connecting rod 54 is movably connected with the starting end of the spiral section, the other end of the movable connecting rod 54 is clamped with the clamping section, and the lengths of the spiral section and the clamping section are both greater than the width of the movable connecting rod 54;

the distance between the spiral section and the circle center of the sliding hole is gradually reduced from the starting end to the ending end;

The working principle and the beneficial effects of the technical scheme are as follows: the movable restraint device 3 is an L-shaped guardrail, when the patient is restrained, the long edge is positioned above the body of the patient, the emergency device 5 is arranged on the long edge, when the patient which preliminarily generates hallucinations and medical care busy are difficult to vacate and move the patient together for a long time, the restraint band 6 can be pulled out from the emergency device 5 and tied on the hands and feet of the patient, the subsequent operation of restraining the patient through the movable restraint device 3 can be completed by one person, so that the medical care personnel are reduced when restraining the patient, the restraint band 6 connected with the emergency device 5 can still perform slow movement after being worn, for example, the restraint band 6 tied on the hands of the patient, when the hands move slowly, the restraint band 6 can drive the rotating shaft 52 to rotate, the rotating shaft 52 twists the torsion spring 55 to bear the force, and simultaneously along with the slow rotation of the rotating shaft 52, the end of the movable connecting rod 54 can slide slowly in the spiral section and the clamping section, the end of the movable connecting rod 54 is provided with a sliding groove to be inserted into the sliding hole of the limiting chuck 53, and the end of the movable connecting rod 54 can slide Kong Shanghua when rotating until the end of the movable connecting rod 54 abuts against the spiral section, while the end of the movable connecting rod 54 abuts against the spiral section, the other end of the movable connecting rod is not abutted against the side wall of the clamping section, the clamping section is a groove on the sliding hole, the side wall of the clamping section (i.e. the side wall of the groove, as shown in fig. 6 and 7) abuts against the movable connecting rod 54, so that the transmission of the movable connecting rod 54 is realized, when slowly pulling, the movable connecting rod 54 and the spiral section are not clamped, but the limiting chuck 53 can be slowly driven to rotate until the other end of the movable connecting rod 54 abuts against the side wall of the clamping section, so as to complete the switching of the stress point when pulling and restraining the belt 6, the limiting speed of the restraint strap 6 during drawing can be set through the torsional force of the torsion spring 55, when a patient lifts a hand suddenly to prepare for grabbing, the drawing speed of the restraint strap 6 exceeds the critical speed, the rotating shaft 52 drives the movable connecting rod 54 to rotate rapidly, because the movable connecting rod 54 is movably connected with the sliding hole, when the movable connecting rod 54 rotates rapidly, the end of the movable connecting rod 54 located in the spiral section is abutted and clamped with the sliding hole rapidly, when the movable connecting rod 54 abuts against the spiral section rapidly, the other end of the movable connecting rod does not release the side wall of the clamping section, the limiting chuck 53 can rotate eccentrically by taking the abutting point of the spiral section and the movable connecting rod 54 as the rotating shaft, so that the boss on the outer wall of the limiting chuck 53 is clamped with the teeth of the limiting toothed plate 51 through the clamping groove, the rotating shaft 52 is prevented from rotating, then the patient who moves rapidly is restrained, if the restraint is required to be relieved, only the force application to the restraint strap 6 needs to be avoided, the end of the movable restraint strap 3 can be separated from the spiral section under the action of the torsion spring 55, and the restraint state is recovered as unconstrained state. Through the structure design, can not retrain it through activity restraint utensil 3 in the initial stage that the disease produced the illusion, but retrain its trick through restraint area 6 of connecting at emergency device 5, can enough not influence its activity and can play the restraint effect when it breaks ill, can occupy a small amount of medical personnel earlier stage through emergency device 5 and retrain the operation simultaneously to the disease, later alright with the use that moves about restraint utensil 3 to the disease through single medical personnel, thereby reduce medical personnel's occupation time, when the disease needs thoroughly to retrain, medical personnel can see through the railing of activity restraint utensil 3 and change restraint area 6 of disease for restraint area 6 of fixed length, later will tear out the restraint area 6 of being connected with emergency device 5, after all being changed into restraint area 6 of fixed length with can pack up activity restraint utensil 3, in order convenient medical personnel to treat the disease.

In one embodiment, the bottom of the bed body 1 is provided with an opening and closing lock 7, the movable harness 3 can be movably connected with the bottom of the bed body 1 through the opening and closing lock 7 when being stored, and the opening and closing lock 7 comprises a fixing piece and a threaded column 71; the fixing piece is arranged at the bottom of the bed body 1, and the bent part of the movable harness 3 can be accommodated in the fixing piece and is connected with the fixing piece through the threaded column 71;

the fixing piece comprises a connecting section 72, a receiving section 73 and a mounting section 74; the containing section 73 and the mounting section 74 are both L-shaped, one end of the containing section 73 is connected with the end of the connecting section 72, the other end of the containing section 73 is connected with the end of the mounting section 74, the threaded column 71 is in threaded connection with the mounting section 74, and the connecting section 72 is connected with the sliding block at the bottom of the bed body 1 through a sliding screw 75.

The working principle and the beneficial effects of the technical scheme are as follows: when the movable harness 3 is stored, as shown in fig. 1, the end part of the long side is completely stored to the bottom of the bed body 1, the medical staff can be prevented from colliding with the leg part during dressing change and rescue, when the movable harness 3 is stored, the whole movable harness 3 is turned over, and the L-shaped bent part is inserted into the storage section 73, because the connecting section 72 is connected with the sliding block arranged at the bottom of the bed body 1 through the sliding screw 75, the opening and closing lock 7 can slide at the bottom of the bed body 1, the threaded column 71 is screwed after the storage section 73 to clamp the bent part of the movable harness 3, so that the movable harness 3 is fixed, as shown in fig. 9, in order to visually see the installation position of the opening and closing lock 7, the partial structure of the movable harness 3 is not shown, the movable harness 3 can be quickly stored and released through the opening and closing lock 7, the threaded column 71 can be quickly found under the condition of not lowering the head, the movable harness 3 can be quickly fixed through the locking of the opening and closing lock 7, so that the sliding block can be conveniently and the movable harness 1 can be quickly stored along the sliding block of the movable harness 1, and the railing 1 can be conveniently stored and the movable harness 3.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the invention.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. A restraint sick bed for intensive care unit, comprising: a bed body (1), supporting legs (2) and a movable binding (3); landing leg (2) set up bed body (1) bottom, activity harness (3) through hinge (4) with the lateral wall of bed body (1) is articulated, activity harness (3) can be fixed the bottom of bed body (1), activity harness (3) pass through hinge (4) can turn over and roll over extremely the upper surface of bed body (1).

2. Confinement hospital bed for intensive care unit according to claim 1 characterized in that the bottom of the legs (2) are provided with pulleys.

3. The restraint bed for intensive care units according to claim 1, wherein the hinge shaft (4) can be a self-locking hinge shaft.

4. The restraint bed for intensive care units according to claim 1, wherein the movable restraint (3) is two L-shaped guardrails, the end of the short side of the movable restraint (3) is connected with the side wall of the bed body (1) through the hinge shaft (4), and the long side of the movable restraint (3) can be turned to the upper part of the bed body (1).

5. The restraint bed for the intensive care unit according to claim 4, wherein the distance between the bottom surface of the folded long side of the movable restraint (3) and the top surface of the bed body (1) is H, and the value range of H is more than 25cm and less than 50cm.

6. The restraint bed for intensive care units according to claim 4, wherein the length of the movable restraint (3) is L, and the value range of L is more than 60cm.

7. The restraint bed for intensive care units according to claim 6, wherein the distance between the ends of the two long sides is D when the movable restraint (3) is folded, and the value range of D is more than 10cm and less than 30cm.

8. The restraint bed for intensive care units according to claim 6, wherein the side edge of the movable restraint (3) is at a distance S from the bed head of the bed body (1), the S having a value range of more than 30cm and less than 40cm.

9. The restraint sickbed for an intensive care unit according to claim 4, characterized in that a restraint strap (6) is arranged on a long side of the movable restraint (3) through an emergency device (5), a housing is sleeved outside the emergency device (5) and connected with the long side of the movable restraint (3) through the housing, one end of the restraint strap (6) is used for binding the wrist of a patient, and the other end penetrates through the housing and is connected with the emergency device (5);

the emergency device (5) comprises a limit toothed plate (51), a rotating shaft (52), a limit chuck (53), a movable connecting rod (54) and a torsion spring (55); the limiting toothed plate (51) is provided with a toothed hole, the limiting chuck (53) is arranged in the toothed hole, the limiting chuck (53) can be clamped with teeth on the limiting toothed plate (51), the limiting chuck (53) is provided with a sliding hole, the movable connecting rod (54) is arranged on the limiting chuck (53), two ends of the movable connecting rod (54) are connected with the sliding Kong Kajie, one end of the rotating shaft (52) is connected with the inner wall shaft of the shell, the other end of the rotating shaft (52) is connected with the movable connecting rod (54), the restraint strap (6) is wound on the rotating shaft (52), and the torsion spring (55) is arranged on the rotating shaft (52);

the outer wall of the limiting chuck (53) is provided with a boss, the boss is provided with a clamping groove, the clamping groove can be clamped with teeth of the limiting chuck (53), the sliding hole comprises a spiral section and a clamping section, one end of the movable connecting rod (54) is movably connected with the starting end of the spiral section, the other end of the movable connecting rod (54) is clamped with the clamping section, and the length of the spiral section and the clamping section are both greater than the width of the movable connecting rod (54);

10. The restraint bed for the intensive care unit according to claim 4, wherein an opening and closing lock (7) is arranged at the bottom of the bed body (1), the movable restraint (3) can be movably connected with the bottom of the bed body (1) through the opening and closing lock (7) when being stored, and the opening and closing lock (7) comprises a fixing piece and a threaded column (71); the fixing piece is arranged at the bottom of the bed body (1), and the bent part of the movable harness (3) can be accommodated in the fixing piece and is connected with the fixing piece through the threaded column (71);

the fixing piece comprises a connecting section (72), a containing section (73) and a mounting section (74); the containing section (73) and the mounting section (74) are both L-shaped, one end of the containing section (73) is connected with the end of the connecting section (72), the other end of the containing section (73) is connected with the end of the mounting section (74), the threaded column (71) is connected with the mounting section (74) in a threaded manner, and the connecting section (72) is connected with the sliding block at the bottom of the bed body (1) through a sliding screw (75).