CN112545774A

CN112545774A - Stretcher transfer equipment

Info

Publication number: CN112545774A
Application number: CN202011389075.5A
Authority: CN
Inventors: 张雅荣
Original assignee: Tianjin Zhuoyou Zhishun Technology Co ltd
Current assignee: Guangdong Dafan Medical Equipment Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-03-26
Anticipated expiration: 2040-12-01
Also published as: CN112545774B

Abstract

The invention discloses stretcher transfer equipment which comprises a movable frame body, a supporting part and a lifting part, wherein the frame body comprises a main frame and an auxiliary frame, and the supporting part can be stored at the top end of the main frame in a lifting way and is used for fixing and supporting a stretcher; the lifting part is connected to the top end of the auxiliary frame and used for adjusting the height of the supporting part to adapt to the operating environment of the medical staff. According to the invention, the lifting of the rectangular lifting frame is controlled by the operating rod, and the height of the rectangular lifting frame is adjusted, so that the rectangular lifting frame is flush with the sickbed or the operating bed, the labor intensity of medical personnel for carrying patients is reduced, the carrying efficiency is improved, the collision risk of the patients is reduced, the comfort level of the patients is improved, and meanwhile, the rectangular lifting frame has the advantages of simple structure and small occupied space.

Description

Stretcher transfer equipment

Technical Field

The invention relates to the technical field of medical instrument transfer equipment, in particular to stretcher transfer equipment. Belonging to IPC classification systemA61G7/14；A61G1/00；A61G1/04。

Background

Currently, in clinical treatment in hospitals, patients often need to be transferred from a ward to an operating room, a treatment room for performing image diagnosis or intraoperative radiotherapy such as ICU, CT, MRI, DR and the like, and it is common practice to use a stretcher to transport the patients to a transfer cart so that the patients can be kept in a relatively flat lying state.

Because some critically ill patients have serious and complicated conditions, when the critically ill patients are nursed, special medical nursing equipment needs to be equipped because the patients have poor physical conditions and are difficult to move. On one hand, in order to facilitate the patient to get on or off the bed, the ground clearance of the hospital bed is generally set to be 450-600 mm, and in order to facilitate the operation of medical personnel, the ground clearance of the operating bed or the treatment bed is generally set to be 600-950 mm. There is the difference in height between operation table or treatment bed and the sick bed, and medical personnel are difficult to carry the patient to the stretcher on, and the transport operation is comparatively complicated, causes the injury to the patient easily. On the other hand, the conventional stretcher or stretcher vehicle has single structural function and poor stability, and the stretcher is easy to shake when the road surface is uneven or raised, so that the comfort of a patient is poor.

For example, chinese patent with patent publication No. CN209253422U proposes a critical care transfer stretcher device, which comprises a lifting transfer bed frame and a loading stretcher, wherein the lifting transfer bed frame is a frame vehicle, pulleys are arranged below a bottom plate of the lifting transfer bed frame, a set of parallel stretcher suspension arms are arranged on a top plate of the lifting transfer bed frame, a winch crane is arranged on the stretcher suspension arms, and the winch crane is connected with the loading stretcher through a lifting steel rope; the loading stretcher comprises a stretcher plate, wherein two ends of the stretcher plate are provided with jacking devices, tarpaulin is arranged above the stretcher plate, and two ends of the tarpaulin are fixedly connected with the jacking devices; the jacking device comprises pneumatic cylinders arranged at four corners of the stretcher plate, and fixing clamping plates are arranged above the pneumatic cylinders and fixedly connected with the tarpaulin. This technical scheme assists medical personnel to carry the work through winch loop wheel machine and stretcher davit, has reduced medical personnel's intensity of labour to a certain extent, but has the shortcoming of complicated, the bulky of structure, collides and causes the secondary damage to the patient with the facility on the passageway easily at the transfer in-process.

As will be apparent to those skilled in the art from the foregoing description of the prior art, the present stretcher or transfer stretcher apparatus has the following features:

(1) the medical staff is difficult to carry the patient to the stretcher, the carrying operation is complex, and the patient is easy to be injured secondarily;

(2) the stability of the stretcher is poor, and the stretcher is easy to shake when the road surface is uneven or the stretcher is convex, so that the comfort of a patient is poor;

(3) the transfer stretcher device has a complex structure and an overlarge volume, and is easy to collide with facilities on the passageway in the transfer process to cause secondary damage to patients.

Disclosure of Invention

The invention aims to provide stretcher transfer equipment which can reduce the labor intensity of medical personnel for carrying patients, improve the carrying efficiency, reduce the collision risk of the patients and improve the comfort of the patients.

In order to achieve the purpose, the invention adopts the following technical scheme:

a stretcher transfer device comprises a movable frame body, a supporting part and a lifting part, wherein the frame body comprises a main frame and an auxiliary frame, and the supporting part is accommodated at the top end of the main frame in a lifting way and is used for fixing and supporting a stretcher; the lifting part is connected to the top end of the auxiliary frame and used for adjusting the height of the supporting part to adapt to the operating environment of medical staff.

Further setting the following steps: the main frame comprises a main cross rod and a main longitudinal rod which are connected end to form a rectangular supporting frame, foot pipes are fixedly arranged at four corners of the rectangular supporting frame, and transverse stabilizing pipes or longitudinal stabilizing pipes are arranged between every two adjacent foot pipes.

Further setting the following steps: the auxiliary frame comprises an auxiliary vertical rod, an auxiliary longitudinal rod, a high-position supporting rod and an end rod, one end of the auxiliary vertical rod is fixedly connected to the middle part of the main transverse rod, and the other end of the auxiliary vertical rod is fixedly connected to the middle part of the transverse stabilizing pipe; two ends of the auxiliary longitudinal rod are respectively and fixedly connected to the middle parts of the two transverse stabilizing pipes; the high-position support rod and the end rod are connected to form an L-shaped support, and two ends of the L-shaped support are respectively and fixedly connected to the auxiliary vertical rod and the auxiliary longitudinal rod; and a side supporting rod is fixedly arranged between the end rod and the longitudinal stabilizing rod.

Further setting the following steps: the supporting part comprises a rectangular lifting frame formed by connecting a lifting cross rod and a lifting longitudinal rod end to end, two U-shaped swing frames are transversely erected at the lower end of the rectangular lifting frame, and each U-shaped swing frame comprises a cross beam and side arms fixedly connected to two ends of the cross beam; waist-shaped grooves are formed in two ends of the lifting longitudinal rod respectively, the end portions of the side arms are connected with the waist-shaped grooves in a sliding mode, and the middle portions of the side arms are connected with the main longitudinal rod in a hinged mode.

Further setting the following steps: the lifting part comprises a driving lever, a U-shaped connecting rod and an operating rod, the middle part of the driving lever is hinged to the top of the end rod, the cross section of the operating rod is L-shaped, and the turning part of the operating rod is hinged to the auxiliary vertical rod; one end of the U-shaped connecting rod is hinged with the operating rod, and the other end of the U-shaped connecting rod is hinged with the driving lever; the driving lever is far away from one end of the auxiliary vertical rod is hinged to be connected with two driven connecting rods, and the driven connecting rods are in one-to-one correspondence with the cross beams and are hinged to the cross beams.

Further setting the following steps: the rectangular lifting frame is internally provided with a reinforcing rod, and the lifting cross rod and the reinforcing rod are provided with placing grooves corresponding to the stretcher.

Further setting the following steps: and a rotary damper is arranged between the side arm and the main longitudinal rod.

Further setting the following steps: the operating rod is fixedly provided with a handle, and anti-skid patterns are arranged on the surface of the handle.

Further setting the following steps: the handle is fixedly arranged at one end, close to the handle, of the rectangular supporting frame, and the handle is coated with an anti-slip sleeve.

Further setting the following steps: the bottom of the foot tube is connected with an extension tube in a sliding mode, the bottom of the extension tube is provided with a universal wheel, and the extension tube is fixedly connected with the foot tube through a tightening bolt.

In conclusion, the beneficial technical effects of the invention are as follows:

(1) through the lift of action bars control rectangle lift frame to adjust the height of rectangle lift frame, make rectangle lift frame and sick bed or operation table parallel and level, thereby reduce medical personnel's transport patient's intensity of labour, improve handling efficiency, and reduce patient's risk of colliding with.

(2) The driven connecting rod, the driving lever, the U-shaped swing rod and the operating rod form a four-bar mechanism, when the rectangular lifting frame is located at the highest point, hinge points at two ends of the U-shaped connecting rod and hinge points at turning positions of the operating rod are located on the same straight line, and the hinge points are dead point positions of the four-bar mechanism and have a self-locking effect, so that safety and stability of a carrying process are improved, influence on a patient is reduced, and secondary damage is prevented.

(3) The placing grooves can clamp the support legs of the stretcher to fix the stretcher, the stretcher is not easy to shake in the transferring process, and the comfort level of a patient is improved.

(4) When the rectangular lifting frame is close to the limit position in the lifting process, the rotary damper plays a role in damping, so that the lifting process of the rectangular lifting frame becomes smooth, and the comfort level of a patient is improved.

(5) The stretcher transfer device is simple in structure and small in occupied space, and the rectangular lifting frame can be stored at the top end of the main frame.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention in a raised state;

FIG. 2 is a front view of the present invention in two states of lifting;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a left side view of the present invention in a raised state.

Reference numerals:

1. a main cross bar; 2. A main longitudinal bar; 3. A foot tube;

4. a transverse stabilizer tube; 5. A longitudinal stabilizer tube; 6. An extension tube;

7. a universal wheel; 8. Tightly abutting against the bolt; 9. An auxiliary vertical bar;

10. an auxiliary vertical rod; 11. A high-position strut; 12. An end bar;

13. a side strut; 14. A lifting cross bar; 15. Lifting the vertical rod;

16. a cross beam; 17. A side arm; 18. A waist-shaped groove;

19. a stud bolt; 20. L-shaped corner connectors; 21. A pin;

22. a reinforcing bar; 23. A placing groove; 24. A rotary damper;

25. an active lever; 26. A U-shaped connecting rod; 27. An operating lever;

28. a driven connecting rod; 29. A handle; 30. A handle.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1, the stretcher transfer device disclosed by the invention comprises a movable frame body, a supporting part and a lifting part, wherein the frame body comprises a main frame and an auxiliary frame, and the supporting part can be stored at the top end of the main frame in a lifting way and is used for fixing and supporting a stretcher. The lifting part is fixedly arranged at the top end of the auxiliary frame and used for adjusting the height of the supporting part to adapt to the operating environment of medical staff.

Referring to fig. 1, the main frame includes two main horizontal poles 1 and two main vertical poles 2, and two liang of end to end of horizontal mobile jib and main vertical pole 2 constitute the rectangle carriage, and four corners of rectangle carriage all set firmly foot pipe 3 perpendicularly, have set firmly horizontal stability pipe 4 or longitudinal stabilization pipe 5 between two adjacent foot pipes 3, and horizontal stability pipe 4 and main horizontal pole 1 one-to-one just are parallel to each other, and longitudinal stabilization pipe 5 and main vertical pole 2 one-to-one just are parallel to each other. The bottom of the foot tube 3 is connected with an extension tube 6 in a sliding way, and the bottom of the extension tube 6 is fixedly provided with a universal wheel 7, so that the movement of the stretcher transfer equipment is realized. The extension pipe 6 is connected with a tightening bolt 8 through threads, and the extension pipe 6 is fixedly arranged on the foot pipe 3 through the tightening bolt 8. The resisting bolt 8 is loosened, and the height of the stretcher transfer device can be adjusted at will.

Referring to fig. 1 and 2, the auxiliary frame includes an auxiliary vertical bar 9, an auxiliary vertical bar 10, a high-level strut 11 and an end bar 12, one end of the auxiliary vertical bar 9 is fixedly connected to the middle of the main horizontal bar 1, and the other end is fixedly connected to the middle of the transverse stabilizing pipe 4, so that the auxiliary vertical bar 9 and the leg pipe 3 are parallel to each other. The two ends of the auxiliary longitudinal rod 10 are respectively and fixedly connected with the middle parts of the two transverse stabilizing pipes 4, so that the auxiliary longitudinal rod 10 and the main longitudinal rod 2 are parallel to each other. The length of end rod 12 is shorter than the length of supplementary montant 9 and it is parallel to each other with supplementary montant 9, and the one end of high branch 11 and the one end of end rod 12 are connected perpendicularly in order to constitute L type support, and the both ends of L type support are fixed connection in supplementary montant 9 and supplementary vertical pole 10 respectively. Side supporting rods 13 are fixedly arranged between the end rods 12 and the longitudinal stabilizing pipe 5, and the two side supporting rods 13 are symmetrically arranged by taking the end rods 12 as centers so as to improve the strength and stability of the auxiliary frame.

Referring to fig. 1 and 3, the support part includes a rectangular lifting frame formed by connecting two lifting cross bars 14 and two lifting vertical bars 15 end to end, and a U-shaped swing frame. Two U-shaped swing frames are transversely erected at the lower end of the rectangular lifting frame and comprise a cross beam 16 and side arms 17 fixedly connected to the two ends of the cross beam 16. Waist-shaped grooves 18 are respectively formed in two ends of the vertical lifting rod 15, stud bolts 19 are arranged at the end parts of the side arms 17, and the side arms 17 are connected to the waist-shaped grooves 18 in a sliding mode through the stud bolts 19. Two ends of the main vertical rod 2 are respectively and fixedly provided with an L-shaped angle bracket 20, and the side arm 17 is hinged and connected to the L-shaped angle bracket 20 through a pin 21.

Referring to fig. 1 and 4, transversely erect the stiffener 22 in the rectangle lifting frame, the both ends of stiffener 22 respectively with lift vertical pole 15 fixed connection, all set up on lift horizontal pole 14 and the stiffener 22 with the corresponding resettlement groove 23 of stretcher to place the stabilizer blade of stretcher, the stretcher is difficult for rocking in the transfer process, has improved patient's comfort level. A rotary damper 24 (shown in figure 3) is arranged between the side arm 17 and the main longitudinal rod 2, and when the rectangular lifting frame is close to the limit position in the lifting process, the rotary damper 24 plays a role in damping, so that the lifting process of the rectangular lifting frame becomes smooth, and the comfort level of a patient is further improved.

Referring to fig. 2, the lifting part includes an active lever 25, a U-shaped link 26, and an operating rod 27, and the active lever 25 is hingedly connected to the top of the end rod 12 at the middle portion thereof. The section of the operating rod 27 is L-shaped, and the turning part of the operating rod 27 is hinged with the auxiliary vertical rod 9 through a hinge shaft. One end of the U-shaped link 26 is hingedly connected to the operating rod 27, and the other end is hingedly connected to the actuating lever 25. One end of the driving lever 25 far away from the auxiliary vertical rod 9 is hinged with two driven connecting rods 28 which are in one-to-one correspondence with the U-shaped swing frames, and the driven connecting rods 28 are hinged with the middle part of the cross beam 16.

Referring to fig. 1, a handle 29 is further fixed to the operating rod 27, and anti-slip patterns are provided on the surface of the handle 29 to increase friction. The main cross bar 1 close to the handle 29 is fixedly provided with a handle 30, and the handle 30 is coated with an anti-slip sleeve so that the medical staff can push the stretcher transfer device.

The working principle and the beneficial effects of the invention are as follows:

when needs shift the patient to the higher operation table of terrain clearance from the lower sick bed of terrain clearance, at first, medical personnel support tight bolt 8 through transferring the rotation, adjust the height of stretcher transfer device for the height of lifting frame and the high parallel and level of sick bed. Then, medical personnel's stretcher and the patient on the stretcher carry to the rectangle lifting frame on, the stabilizer blade that the resettlement groove 23 just in time blocked the stretcher is in order to fix the stretcher, and the stretcher is difficult for rocking in the transfer process, improves patient's comfort level.

Medical personnel pass through handle 30 and promote stretcher transfer device, transport the patient to the operating room, hold handle 29 and exert pressure downwards to action bars 27 after that for action bars 27 uses its articulated shaft to rotate downwards as the center, and action bars 27 drives U type connecting rod 26 and upwards overturns, through the interlock of initiative lever 25 and driven connecting rod 28, thereby drives U type swing frame and uses pin 21 to rotate as the center, realizes the horizontal lifting of rectangle lifting frame. When the handle 29 is turned to the lowest point 27a, the rectangular lifting frame is lifted to the highest point, as shown in fig. 2, the rectangular lifting frame is flush with the operating bed, so that the labor intensity of medical personnel for carrying patients is reduced, the carrying efficiency is improved, and the collision risk of the patients and the operating bed is also reduced.

Meanwhile, the driven connecting rod 28, the driving lever 25, the U-shaped swing rod and the operating rod 27 form a four-bar linkage, when the rectangular lifting frame is lifted to the highest point, the hinge points at the two ends of the U-shaped connecting rod 26 and the hinge point at the turning position of the operating rod 27 are located on the same straight line, and the position is a dead point position of the four-bar linkage, namely the operating rod 27 locks the U-shaped connecting rod 26 at the position 26a, so that the self-locking effect is achieved, and the safety and the reliability of the carrying process are improved.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A litter transfer apparatus characterized by: the stretcher comprises a movable frame body, a supporting part and a lifting part, wherein the frame body comprises a main frame and an auxiliary frame, and the supporting part can be accommodated at the top end of the main frame in a lifting way and is used for fixing and supporting a stretcher; the lifting part is connected to the top end of the auxiliary frame and used for adjusting the height of the supporting part to adapt to the operating environment of medical staff.

2. The litter transfer apparatus of claim 1 wherein: the main frame includes end to end and constitutes main horizontal pole (1) and main vertical pole (2) of rectangle carriage, four corners of rectangle carriage all set firmly foot pipe (3), adjacent two be equipped with transverse stabilization pipe (4) or longitudinal stabilization pipe (5) between foot pipe (3).

3. The litter transfer apparatus of claim 2 wherein: the auxiliary frame comprises an auxiliary vertical rod (9), an auxiliary longitudinal rod (10), a high-position support rod (11) and an end rod (12), one end of the auxiliary vertical rod (9) is fixedly connected to the middle of the main transverse rod (1), and the other end of the auxiliary vertical rod is fixedly connected to the middle of the transverse stabilizing pipe (4); two ends of the auxiliary longitudinal rod (10) are respectively and fixedly connected to the middle parts of the two transverse stabilizing pipes (4); the high-position supporting rod (11) and the end rod (12) are connected to form an L-shaped support, and two ends of the L-shaped support are respectively and fixedly connected to the auxiliary vertical rod (9) and the auxiliary longitudinal rod (10); and a side supporting rod (13) is fixedly arranged between the end rod (12) and the longitudinal stabilizing rod.

4. The litter transfer apparatus of claim 3 wherein: the supporting part comprises a rectangular lifting frame formed by connecting a lifting cross rod (14) and a lifting longitudinal rod (15) end to end, two U-shaped swing frames are transversely erected at the lower end of the rectangular lifting frame, and each U-shaped swing frame comprises a cross beam (16) and side arms (17) fixedly connected to the two ends of the cross beam (16); waist-shaped grooves (18) are respectively formed in two ends of the lifting longitudinal rod (15), the end portions of the side arms (17) are connected with the waist-shaped grooves (18) in a sliding mode, and the middle portions of the side arms (17) are connected with the main longitudinal rod (2) in a hinged mode.

5. The litter transfer apparatus of claim 4 wherein: the lifting part comprises a driving lever (25), a U-shaped connecting rod (26) and an operating rod (27), the middle part of the driving lever (25) is hinged to the top of the end rod (12), the cross section of the operating rod (27) is L-shaped, and the turning part of the operating rod is hinged to the auxiliary vertical rod (9); one end of the U-shaped connecting rod (26) is hinged with the operating rod (27), and the other end of the U-shaped connecting rod is hinged with the active lever (25); the driving lever (25) is far away from one end of the auxiliary vertical rod (9) and is hinged to two driven connecting rods (28), and the driven connecting rods (28) are in one-to-one correspondence with the cross beams (16) and are hinged to the cross beams.

6. The litter transfer apparatus of claim 4 wherein: be equipped with stiffener (22) in the rectangle lift frame, go up and down horizontal pole (14) with all seted up on stiffener (22) and placed groove (23) that correspond with the stretcher.

7. The litter transfer apparatus of claim 5 wherein: a rotary damper (24) is arranged between the side arm (17) and the main longitudinal rod (2).

8. The litter transfer apparatus of claim 5 wherein: a handle (29) is fixedly arranged on the operating rod (27), and anti-skid patterns are arranged on the surface of the handle (29).

9. The litter transfer apparatus of claim 8 wherein: and a handle (30) is fixedly arranged at one end of the rectangular supporting frame close to the handle (29), and an anti-slip sleeve is coated on the handle (30).

10. The litter transfer apparatus of claim 2 wherein: the bottom of the foot tube (3) is connected with an extension tube (6) in a sliding mode, the bottom of the extension tube (6) is provided with a universal wheel (7), and the extension tube (6) is fixedly connected with the foot tube (3) through a tightening bolt (8).