CN116172726B

CN116172726B - ECMO equipment lays device

Info

Publication number: CN116172726B
Application number: CN202310452505.0A
Authority: CN
Inventors: 廖小卒; 吴佳怡; 范芷君; 陈金玲
Original assignee: Zhongshan Peoples Hospital
Current assignee: Zhongshan Peoples Hospital
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-07-07
Anticipated expiration: 2043-04-25
Also published as: CN116172726A

Abstract

The invention discloses an ECMO equipment placing device, which comprises a trolley, a bedstead and an equipment support, wherein the trolley comprises a frame and wheels, the equipment support comprises a base, a fixed frame and a rotary table, a space for placing legs of a patient is formed between the fixed frame and the bedstead, the rotary table can be switched between a placing position and a material receiving position when rotating around a vertical axis relative to the fixed frame, a supporting piece is arranged on the base and/or the fixed frame, a lifting seat and a lifting driver capable of driving the lifting seat to move up and down are arranged on the frame, a rotary frame and a rotary driver are arranged on the lifting seat, a placing plate capable of being lifted by external force is placed on the rotary frame, and the rotary frame is switched between a material pushing position and a material feeding position when rotating relative to the lifting seat. The placing device can place ECMO equipment on a sickbed from the left side or the right side of the sickbed, and is suitable for being used in a sickbed with a narrow space at the tail of the sickbed.

Description

ECMO equipment lays device

Technical Field

The invention relates to the technical field of in-vitro life support, in particular to an ECMO equipment placement device.

Background

In vitro life support, also known as ECMO, is mainly used for providing sustained in vitro breathing and circulation to patients with severe cardiopulmonary failure to sustain the life of the patient. For example, ECMO may be used for treatment of severe patients with COVID-19.

When ECMO is used for treatment, the ECMO needs to be applied to a plurality of devices, such as an artificial heart-lung machine, a water tank, a monitor and an infusion pump, wherein the artificial heart-lung machine is the most core device, can replace heart and lung work of a critical patient, and wins time for rescuing critical diseases.

In most hospitals, ECMO treatment devices are placed in specific ward, such as ICU ward, and when the patient in the general ward is worse and is difficult to transfer to the specific ward for treatment, the devices are required to be moved to the general ward by using a trolley, and after the devices are moved to the ward, the trolley filled with the devices is stopped at the sickbed. This also has the problem that the trolley and the above equipment, as well as the pulled out tubing and wires, occupy a lot of space, which is inconvenient for the medical staff to perform the operation on the patient.

In order to solve the above problems, the patent publication No. CN115363884a discloses an in vitro life support device placement system, which can place ECMO treatment related devices above a sickbed for use, and almost occupies no space on the left and right sides of the sickbed, so that the medical staff can perform operations conveniently. However, this placement system also has the problem that since the equipment rack is placed on the ground, it needs to occupy a part of the space of the bed tail, and when placing the ECMO equipment, the cart needs to be pushed to the rear side of the bed tail, which is not suitable for use in a ward where the space of the bed tail is narrow, and is also not suitable for use on a hospital bed where the bed tail is provided with a baffle.

Disclosure of Invention

In view of the above, an object of the present invention is to provide an ECMO device placement apparatus that can place an ECMO device on a hospital bed from the left side or the right side of the hospital bed, and is suitable for use in a hospital room with a small bed tail space.

The invention adopts the technical proposal for solving the technical problems that:

the utility model provides a ECMO equipment laying device, includes shallow, bedstead and equipment support, the shallow includes frame and the wheel that is located the frame bottom, equipment support includes the base of fixing on the bedstead, fixes mount on the base and rotationally install carousel on the mount, form the space that can place patient's shank between mount and the bedstead, the carousel can switch between holding position and receiving position when rotating around a vertical axis for the mount, the carousel has the free end, make its free end stretch out from the left side edge or the right side edge of bedstead when carousel rotates to receiving position, still be provided with on base and the mount and can support the support piece of carousel when the carousel rotates to holding position, be provided with the elevating platform and can drive on the frame the elevating platform reciprocates, be provided with the swivel mount that can rotate around a vertical axis and can drive the swivel drive that the swivel mount rotated, be placed by external force's setting board on the swivel mount when swivel mount rotates around a vertical axis, make its free end stretch out from the left side edge or right side edge of bedstead when rotating to receiving position, the swivel mount is located the carousel and can make the carousel be located in the position when rotating to place the carousel and being located the position when rotating to place position.

In a preferred scheme of the invention, a supporting table capable of supporting the object placing plate is fixedly arranged on the frame, and when the rotating frame is positioned at the feeding position, the lifting driver can drive the lifting seat and the rotating frame to move downwards together so that the object placing plate falls onto the supporting table.

In a preferred embodiment of the present invention, a positioning structure capable of limiting the horizontal movement of the storage plate relative to the pallet is provided between the pallet and the storage plate.

In a preferred embodiment of the present invention, the positioning structure includes a positioning hole disposed on the supporting platform and a positioning column disposed on a lower surface of the object placing plate.

In a preferred embodiment of the invention, the lifting drive comprises an electric cylinder arranged on the frame.

In a preferred scheme of the invention, the rotary driver comprises a motor arranged on the lifting seat, a transmission shaft is arranged at the lower end of the rotary frame, and an output shaft of the motor is connected with the transmission shaft through a gear set or a worm gear pair.

In a preferred scheme of the invention, the supporting piece comprises a plurality of supporting rods fixed relative to the base, the upper ends of the supporting rods are provided with accommodating grooves, the inner side surfaces of the accommodating grooves are provided with ball cambered surfaces, balls matched with the ball cambered surfaces are arranged in the accommodating grooves, and the tops of the balls are higher than the upper end surfaces of the supporting rods.

In a preferred embodiment of the invention, a positioning device is arranged between the fixing frame and the rotary table, and can position the rotary table when the rotary table is positioned at the placing position and the receiving position.

In a preferred scheme of the invention, the positioning device comprises a spring top bead arranged on the fixing frame and a plurality of concave positions which are arranged on the bottom surface of the turntable and can be used for clamping the spring top bead into.

In a preferred embodiment of the invention, the turntable is rotatably connected to the holder via a thrust ball bearing.

In a preferred embodiment of the invention, the drive shaft of the rotating frame is rotatably connected to the lifting base via a thrust ball bearing.

The beneficial effects of the invention are as follows:

first, this laying device can be from the left side or the right side of sick bed with ECMO equipment lay on the sick bed, is fit for using in the ward that the tailstock space is narrow and small, and the equipment support is fixed on the bedstead, and the rear side edge of equipment support can not surpass the rear side edge of bedstead, is fit for using on the bedstead of taking the tailstock.

And after the second turntable rotates to the placing position, the second turntable can be supported on the supporting piece, so that the turntable is kept balanced, and when the ECMO equipment is placed on a sickbed for use, the object placing plate and the ECMO equipment are positioned above the tailstock part and cannot occupy the space on the left side and the right side of the bedstead.

Thirdly, design the carousel for rotary type, but not slidingtype, need not complex structure such as installation guide rail, can simplify the structure, be convenient for reserve sufficient space in order for patient's shank to place wherein between mount and bedstead.

Fourth, when adopting the shallow transportation ECMO equipment, can rotate the swivel mount to pushing away the material position, then will go up and down seat and swivel mount and reduce, make the thing board bearing of putting on the saddle. By adopting the design, the stability of the cart is kept when the ECMO equipment is conveyed, and the unstable gravity center of the cart caused by the fact that the rotating frame and the object placing plate are in the extending and hanging state is avoided.

Drawings

FIG. 1 is a perspective view of a cart transporting ECMO devices;

FIG. 2 is a schematic view of the main structure of the cart when the rotating frame supports the ECMO device;

FIG. 3 is a schematic view of the connection structure of the equipment rack and the bed frame;

FIG. 4 is a schematic view of a first state of the placement process;

FIG. 5 is a schematic view of a second state of the placement process;

fig. 6 is a schematic view of the structure of the ECMO apparatus when it is mounted above the bed frame;

FIG. 7 is an exploded view of the equipment rack;

FIG. 8 is a perspective view of a turntable;

fig. 9 is a perspective view of the storage plate.

Detailed Description

The technical scheme of the present invention will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear …) in the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the description of "preferred," "less preferred," and the like, herein is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "preferred", "less preferred" may include at least one such feature, either explicitly or implicitly.

Referring to fig. 1 to 9, the present invention proposes an ECMO device placement apparatus comprising a cart including a frame 1 and wheels 101 located at the bottom of the frame 1, a frame 2, and a device bracket including a base 31 fixed to the frame 2, a fixed frame 32 fixed to the base 31, and a turntable 33 rotatably mounted to the fixed frame 32, a space for placing a leg of a patient being formed between the fixed frame 32 and the frame 2, the turntable 33 being switchable between a placement position and a receiving position when rotated about a vertical axis relative to the fixed frame 32.

The turntable 33 has a free end which protrudes from the left or right side edge of the bed frame 2 when the turntable 33 is rotated to the receiving position, and the base 31 and/or the fixing frame 32 are provided with a support member which can support the turntable 33 when the turntable 33 is rotated to the placing position.

The lifting seat 11 and the lifting driver 12 capable of driving the lifting seat 11 to move up and down are arranged on the frame 1, the rotating frame 13 capable of rotating around a vertical axis and the rotating driver 14 capable of driving the rotating frame 13 to rotate are arranged on the lifting seat 11, the object placing plate 15 capable of being lifted by external force is placed on the rotating frame 13, the rotating frame 13 is switched between a pushing position and a feeding position when rotating relative to the lifting seat 11, and the object placing plate 15 extends out of the edge of the frame 1 when the rotating frame 13 is located at the feeding position. When the turntable 33 is in the receiving position and the rotating frame 13 is in the feeding position, the trolley can be moved from one side of the bed frame 2 towards the turntable 33 to move the storage plate 15 on the rotating frame 13 above the turntable 33.

The method for placing ECMO equipment by the device is as follows: the base 31 is first fixed to the frame 2 by welding or screwing, so that the turntable 33 is positioned above the tail portion of the bed, as shown in fig. 3. Then, the ECMO equipment such as the artificial heart lung machine 9 on the object placing plate 15 is pushed to one side of the frame 2 by using a cart, then the turntable 33 is rotated to a material receiving position, one end of the turntable 33 extends out of the lifting seat 11 from one side edge of the frame 2 to rise to a sufficiently high position, then the rotating frame 13 is rotated to a material feeding position, and the object placing plate 15 extends out of one side edge of the frame 1, and the state is shown in fig. 4. Then the frame 1 is pushed to approach the bed frame 2, so that the object placing plate 15 is positioned right above the turntable 33, and the state is shown in fig. 5; then the lifting seat 11 moves downwards to enable the object placing plate 15 to fall onto the turntable 33 and continue to fall to a certain height, so that the object placing plate 15 can be separated from the rotating frame 13; finally, the turntable 33 is rotated to the placing position, and placing of the ECMO apparatus can be completed. The procedure for detaching the ECMO device from the bed frame 2 is the reverse of the procedure described above.

The advantages of the proposal are that: first, this device of laying can be from the left side or the right side of sick bed with ECMO equipment lay on the sick bed, is fit for using in the ward that the tailstock space is narrow and small, and the equipment support is fixed on bedstead 2, and the rear side edge of equipment support can not surpass the rear side edge of bedstead 2, is fit for using on the bedstead 2 of taking the tailstock. The second, carousel 33 rotates to the position of laying after, can bear on support piece, is favorable to making carousel 33 keep balanced, and when ECMO equipment laid the sick bed and used, put thing board 15, ECMO equipment and be located the top of tailstock part, can not occupy the space of bedstead 2 left and right sides. Third, the turntable 33 is designed to be rotatable, not slidable, and does not require a complicated structure such as a mounting rail, so that the structure can be simplified, and a sufficient space can be reserved between the fixing frame 32 and the bed frame 2 for the legs of the patient to be placed therein.

Further, a supporting table 16 capable of supporting the object placing plate 15 is fixedly arranged on the frame 1, and when the rotating frame 13 is located at the feeding position, the lifting driver 12 can drive the lifting seat 11 and the rotating frame 13 to move downwards together so that the object placing falls onto the supporting table 16. Referring to fig. 1 and 2, when the ECMO apparatus is transported by using the cart, the rotating frame 13 may be rotated to the pushing position, and then the lifting seat 11 and the rotating frame 13 are lowered, so that the object placing plate 15 is supported on the supporting table 16. Because ECMO equipment generally weighs tens of kilograms, the design is beneficial to keeping the stability of the cart when the ECMO equipment is conveyed, and the unstable gravity center of the cart caused by the fact that the rotating frame 13 and the object placing plate 15 are in an extending and hanging state is avoided.

Further, a positioning structure capable of restricting the horizontal movement of the storage plate 15 relative to the pallet 16 is provided between the pallet 16 and the storage plate 15. Referring to fig. 4 and 8, in a preferred embodiment of the present invention, the positioning structure includes a positioning hole 161 disposed on the supporting platform 16 and a positioning column 151 disposed on the lower surface of the object placing plate 15, and when the object placing plate 15 is supported on the supporting platform 16, the positioning column 151 is inserted into the positioning hole 161. Correspondingly, the turntable 33 is also provided with positioning holes 161 corresponding to the positioning posts 151, so that the object placing plate 15 can be prevented from moving horizontally relative to the turntable 33 when the object placing plate 15 is placed on the turntable 33. The positioning post 151 is preferably a tapered post and the positioning hole 161 is preferably a tapered hole.

The lifting driver 12 can adopt an electric cylinder, can also adopt a combination of a motor and a screw pair, and adopts a battery or an externally inserted power supply mode to supply power to the motor or the electric cylinder.

The rotary driver 14 adopts a motor arranged on the lifting seat 11, the lower end of the rotary frame 13 is provided with a transmission shaft 131, and an output shaft of the motor is connected with the transmission shaft 131 through a gear set or a worm gear pair to drive the rotary frame 13 to rotate.

In a preferred embodiment of the present invention, the supporting member includes a plurality of supporting rods 341 fixed with respect to the base 31, the upper ends of the supporting rods 341 are provided with accommodating grooves 342, the inner sides of the accommodating grooves 342 are provided with spherical surfaces, balls 343 matched with the spherical surfaces are installed in the accommodating grooves 342, and the tops of the balls 343 are higher than the upper end surfaces of the supporting rods 341. The advantage of this design is that it provides both support for the turntable 33 and reduces friction when the turntable 33 is rotated.

Further, a positioning device capable of positioning the turntable 33 when the turntable 33 is located at the placing position and the receiving position is arranged between the fixed frame 32 and the turntable 33. Preferably, the positioning device includes a spring top bead 321 disposed on the fixing frame 32, and a plurality of concave positions 331 disposed on a bottom surface of the turntable 33, and when the turntable 33 is located at the placement position and the receiving position, the spring top bead 321 is snapped into the corresponding concave position 331 to position the turntable 33. The spring top bead 321 may also be a commercially available standard component, which includes a cylindrical housing with an iron bead at one end, and a spring inside the housing, or a non-standard component, which includes only a spring and an iron bead, and a mounting hole is correspondingly provided in the fixing frame 32, in which the spring and the iron bead are mounted.

In order to enable the turntable 33 and the rotating frame 13 to withstand axial pressure, the turntable 33 is rotatably connected to the fixed frame 32 by means of thrust ball bearings. The transmission shaft 131 of the rotating frame 13 is rotatably connected with the lifting seat 11 through a thrust ball bearing.

The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. ECMO device placement apparatus comprising a cart, a bed frame (2) and a device holder, said cart comprising a frame (1) and wheels (101) at the bottom of the frame (1), characterized in that the device holder comprises a base (31) fixed to the bed frame (2), a holder (32) fixed to the base (31), and a turntable (33) rotatably mounted to the holder (32), a space for placing the legs of a patient being formed between the holder (32) and the bed frame (2), said turntable (33) being switchable between a placement position and a receiving position when being rotated about a vertical axis with respect to the holder (32), said turntable (33) having free ends, said turntable (33) being extended from the left or right edge of the bed frame (2) when being rotated to the receiving position, said base (31) and/or the holder (32) being further provided with a support capable of supporting the turntable (33) when the turntable (33) is rotated to the placement position, said frame (1) being provided with a rotatable base (11) and a rotatable base (11) being rotatable about a vertical axis (13) being driven by a rotatable base (11), the rotary frame (13) is provided with a storage plate (15) which can be lifted by external force, the rotary frame (13) is switched between a pushing position and a feeding position when rotating relative to the lifting seat (11), the storage plate (15) extends out of the edge of the frame (1) when the rotary frame (13) is positioned at the feeding position, the rotary table (33) is positioned at the receiving position, and the trolley can move from one side of the bed frame (2) towards the rotary table (33) when the rotary frame (13) is positioned at the feeding position, so that the storage plate (15) on the rotary frame (13) can move to the upper part of the rotary table (33);

a supporting table (16) capable of supporting the object placing plate (15) is fixedly arranged on the frame (1), and when the rotating frame (13) is positioned at the pushing position, the lifting driver (12) can drive the lifting seat (11) and the rotating frame (13) to move downwards together so that the object placing plate (15) falls onto the supporting table (16);

a positioning device capable of positioning the turntable (33) when the turntable (33) is positioned at the placing position and the receiving position is arranged between the fixed frame (32) and the turntable (33);

the positioning device comprises a spring top bead (321) arranged on the fixed frame (32), and a plurality of concave positions (331) which are arranged on the bottom surface of the rotary disc (33) and into which the spring top bead (321) can be clamped.

2. ECMO equipment placement device according to claim 1, characterized in that a positioning structure capable of restricting the horizontal movement of the placement plate (15) relative to the pallet (16) is provided between the pallet (16) and the placement plate (15).

3. The ECMO apparatus mounting apparatus as claimed in claim 2, wherein the positioning structure includes a positioning hole (161) provided on the pallet (16) and a positioning column (151) provided on a lower surface of the placement plate (15).

4. ECMO equipment placement device according to claim 1, characterized in that the lifting drive (12) comprises an electric cylinder provided on the frame (1).

5. ECMO equipment placement device according to claim 1, characterized in that the rotary drive (14) comprises a motor arranged on the lifting base (11), the lower end of the rotary frame (13) is provided with a transmission shaft (131), and the output shaft of the motor is connected with the transmission shaft (131) through a gear set or a worm gear pair.

6. The ECMO equipment placement apparatus according to claim 1, wherein the support member includes a plurality of support rods (341) fixed with respect to the base (31), an accommodating groove (342) is provided at an upper end of the support rods (341), an inner side surface of the accommodating groove (342) has a spherical surface, balls (343) engaged with the spherical surface are installed in the accommodating groove (342), and a top of the balls (343) is higher than an upper end surface of the support rods (341).