CN116807805A

CN116807805A - Tray for oxygenator system, adapter assembly, cart and oxygenator system

Info

Publication number: CN116807805A
Application number: CN202310806845.9A
Authority: CN
Inventors: 齐献山
Original assignee: Xinqing Medical Suzhou Co ltd
Current assignee: Xinqing Medical Suzhou Co ltd
Priority date: 2022-01-19
Filing date: 2022-07-28
Publication date: 2023-09-29
Also published as: CN115227519B; CN115227519A; WO2023138455A1

Abstract

Disclosed are a tray for an oxygenator system, an adapter assembly, a cart, and an oxygenator system that facilitate combining different portions of the oxygenator system apparatus together, wherein a tray for an oxygenator system comprises: a mounting location for a working device, the working device comprising an oxygenator and a blood pump, the mounting location comprising a first mounting location for mounting the oxygenator and a second mounting location for mounting the blood pump; the top surface of the first installation position is lower than the top surface of the second installation position.

Description

Tray for oxygenator system, adapter assembly, cart and oxygenator system

The application is a divisional application with the application number of 202210893928.1, the application date of 2022, 7 and 28 days, and the name of the application is a carrier and an oxygenator system using the carrier.

Technical Field

The application relates to the field of article transferring equipment, in particular to a carrier capable of transferring medical equipment and an oxygenator system using the carrier.

Background

ECMO equipment is complicated, and the room is compact in the operating room, and is easy to use inconvenient or even misoperation caused by mess of equipment and wires.

Disclosure of Invention

In view of the above-mentioned shortcomings, the present invention provides a vehicle and an oxygenator system employing the same, which can combine different parts of the apparatus together, and is convenient to use.

In order to achieve the above purpose, the present invention provides the following technical solutions.

The vehicle includes a cart, arms, and a tray. The cart comprises a cart body, a first supporting layer arranged on the cart body and a second supporting layer arranged below the first supporting layer, wherein the first supporting layer and the second supporting layer are respectively used for placing first equipment and second equipment, the weight of the second equipment is larger than that of the first equipment, and a first supporting seat is arranged on the first equipment. The support arm has first end and second end, and first end is established in first supporting layer bottom, and the second end is equipped with the second supporting seat. The tray is used for setting a working device and is in operable switching connection with the first supporting seat or the second supporting seat.

The oxygenator system comprises a vehicle as described above. The first equipment is a control host, the second equipment comprises a water tank and an oxygen bottle, and the working device comprises an oxygenator and a blood pump. The water tank and the oxygen bottle are connected with the oxygenator, and the control host is connected with the blood pump.

The carrier can simultaneously transport different devices or combine different parts of the devices together, and is convenient to use. And can assemble the tray on first supporting seat or second supporting seat according to the desire when using, avoid interfering medical personnel to operate, facilitate the use.

The oxygenator system is arranged at the topmost end of the control host, is suitable for being observed by medical staff, is arranged at a low position to keep stability, is arranged at the middle of an adjustable tray, and is convenient to adjust to a proper position for use. In addition, the structural design of the cart is convenient to restrict the pipeline on the line arrangement structure, so that the vision is clearer.

Drawings

FIG. 1 is a perspective view of a cart structure provided in one embodiment of the present disclosure;

FIG. 2 is a perspective view of a cart structure provided in accordance with another embodiment of the present disclosure;

FIG. 3 is a structural perspective view of the drawer of FIG. 2 in an open drawer condition;

FIG. 4 is a perspective view of a construction of an oxygenator system employing the configuration of FIG. 1;

FIG. 5 is another view of FIG. 4;

FIG. 6 is an assembled view of the tray of FIG. 4 with a second support base;

FIG. 7 is a front view of the tray and the second support base;

FIG. 8 is a section A-A of FIG. 7;

FIG. 9 is a structural perspective view of another oxygenator system formed using FIG. 1;

FIG. 10 is a perspective view of the tray of FIG. 9 shown separated from the second support base;

FIG. 11 is a structural perspective view of yet another oxygenator system formed using FIG. 1;

FIG. 12 is a perspective view of the tray of FIG. 11 shown separated from the first support base;

FIG. 13 is a perspective view of the first device, the adapter assembly and the tray when separated;

FIG. 14 is a front view of the adapter assembly of FIG. 13;

FIG. 15 is a cross-sectional view of the press member of FIG. 14;

FIG. 16 is an assembled view of the tray with the blood pump and the second support base;

FIG. 17 is a cross-sectional view of a tray with a blood pump and oxygenator;

FIG. 18 is an exploded view of FIG. 17;

fig. 19 is another view of fig. 18.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.

In the present invention, the terms "connected," "connected," and the like should be construed broadly unless otherwise specifically indicated and defined. For example, the device can be fixedly connected, detachably connected, movably connected or integrated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

The present disclosure provides various embodiments of a vehicle or oxygenator system. As shown in fig. 1 to 19, the vehicle includes a cart 1, arms 3, and a tray 2.

As shown in fig. 1 to 3, the cart 1 includes a cart body 11, a first support layer 14 provided on the cart body 11, and a second support layer 15 located below the first support layer 14. The first support layer 14 is for placement of a first device and the second support layer 15 is for placement of a second device. The second support layer 15 is located below the first support layer 14, is provided on the chassis of the vehicle body 11, and is provided with a plurality of wheels. The wheels are preferably universal wheels and are mounted at the corners of the chassis. The weight of the second device is greater than the weight of the first device. The first support layer 14 and the second support layer 15 each have a load bearing platform. The bearing area of the bearing platform of the second supporting layer 15 is larger than that of the bearing platform of the first supporting layer 14.

The first device is a control host 4, and includes a display interface, which may be a user operation interface. As shown in fig. 12, the first support base 42 is located at the back of the display interface. The control host 4 has a display screen 41 for providing a display interface, and the display screen 41 can be a touch screen, so as to provide an operation interface for a user to perform touch control. The second device comprises a water tank 5 and/or an oxygen bottle 6. The cart 1 is further provided at its rear end (rear side) with a carrier part for mounting a third device, which carrier part is lower than the first support layer 14, which substantially coincides with the height of the second support layer 15. When the second device is a water tank 5, the third device may be an oxygen bottle 6.

The control host 4 is located on the first supporting layer 14 of upper layer, puts at the top, is fit for medical personnel's observation, and shows the interface to the front side, and first supporting seat 42 installs in the rear end (the back of display interface) of control host 4, conveniently arranges with the circuit of second equipment or third equipment, avoids the circuit to be in disorder, disturbs medical personnel's operation.

The front and rear ends of the first support layer 14 are respectively provided with a push-pull handle 16 to facilitate the push-pull operation of the medical staff on the front side or the rear side. The infusion support 12 is also arranged on the vehicle body 11, which is convenient for placing infusion bags or other medical appliances.

A parallel support bar 17 is provided between the first support layer 14 and the second support layer 15, and the support bar 17 is configured on the second support layer 15 (chassis) to support the first support layer 14 parallel to the second support layer 15. The first support layer 14 and the second support layer 15 each extend in parallel forward. The first support layer 14 is also provided with a receiving structure such as a drawer 13, and a front side wall of the first support layer 14 is formed with an opening into which the drawer 13 is placed. The drawer 13 can be supported by a sliding rail and is convenient to push and pull forward and backward smoothly.

The front end of the first supporting layer 14 is a suspended end (free end) and is fixedly connected with the supporting frame only through the rear end. Alternatively, the front end of the first support layer 14 is also connected to the front end of the second support layer 15 by a support bar 17.

A space for placing the second device is formed between the first supporting layer 14 and the second supporting layer 15, and the second supporting seat 31 and the supporting arm 3 are convenient to assemble. The rotation of the second support seat 31 in the horizontal plane has a dead point position, which can be rotated until it contacts the support bar 17. Further, the support bar 17 not only supports the first support layer 14, but also limits the rotational position of the second support seat 31.

The second supporting layer 15 further extends on the rear side of the supporting rod 17 to form a bearing seat (bearing part), the oxygen bottle 6 is borne on the bearing seat, the front side of the supporting rod 17 of the second supporting layer 15 is a main bearing area, and the water tank 5 is borne on the second supporting layer. In one embodiment, the oxygen cylinder 6 may be carried on a support bar 17 to facilitate easy structural design of the body 11. At this time, the oxygen bottle 6 is supported by a band (strap) and a circular support (cylinder mount) for supporting the oxygen bottle is provided at the bottom. Wherein, the circular carrying seat and the hoop are fixedly arranged on the supporting rod 17 at least in height position. Further, the circular carrier and the strap can rotate around the support rod 17 to facilitate storage.

As shown in fig. 12, the first device is provided with a first support base 42, and the first support base 42 moves with the first device. The arm 3 has a first end and a second end in the extending direction or length direction, the first end is disposed at the bottom of the first supporting layer 14, and the second end is provided with a second supporting seat 31. Preferably, the first end of the arm 3 is rotatably arranged at the bottom of the first support layer 14. The pallet 2 is intended for the setting of a working device and is operatively engaged with the first support seat 42 or the second support seat 31. The working device comprises an oxygenator 7 and/or a blood pump 8.

The tray 2 may be mounted on the first support seat 42 or the second support seat 31 as desired. The presence of two trays 2 in fig. 4, 5 is intended to show that both the first support seat 42 and the second support seat 31 can be adapted to mount the trays 2, instead of the actual presence of two trays 2. The vehicle of the present embodiment provides a tray 2 and is switchably assembled to the first support base 42 and the second support base 31. As shown in fig. 9, the tray 2 is fitted on the second support seat 31. As shown in fig. 11, the tray 2 is fitted on the first support base 42.

As shown in fig. 6, the tray 2 has a mounting position 25 for the setting of the working device, the mounting position 25 may include a receiving groove, and the two mounting positions 25 are laterally arranged with a spacer 23 therebetween. The tray 2 has a substantially symmetrical structure and has two left and right accommodating grooves. The partition 23 is a partition wall protruding from the tray main body 21 and partitioning the two mounting locations 25.

As shown in fig. 6 to 8, in order to facilitate the assembly and the disassembly of the pallet 2, the pallet 2 is provided with a grip portion. The holding part is a holding handle 22, which is convenient for holding the lifting tray 2, so as to mount the tray 2 on the first support seat 42 or the second support seat 31 or unload the tray from the first support seat 42 or the second support seat 31. The (holding) handle may be a bent handle (such as a semi-closed structure in the shape of a faucet) as shown in fig. 6, or may be a ring-shaped annular handle, or may be a special-shaped handle, or the like. The handle is higher than the oxygenator 7 and the blood pump 8 to avoid interference.

The tray 2 may be provided with a first connection portion, and the first support seat 42 and the second support seat 31 are respectively provided with a second connection portion capable of being operatively detachably engaged with the first connection portion. To facilitate the mounting of the positioning tray 2, the first connection portion may comprise a recess 210 formed in the bottom of the tray 2 and the second connection portion may comprise a protruding structure 311 that may be at least partially embedded in the recess 210 for positioning. Preferably, the dimensions of the recess 210 and the protruding structure 311 are adapted such that the protruding structure 311, after being inserted into the recess 210, enables the horizontal position of the tray 2 to be locked, i.e. the tray 2 cannot be moved in the horizontal direction.

In a preferred embodiment, the bottom surface of the tray 2 is raised upwardly in the region between two adjacent mounting locations 25 to form the recess 210. The groove 210 corresponds to the spacer 23. In another embodiment, the protruding structure 311 may be a plurality of positioning columns, and the bottom of the tray 2 is provided with a groove 210 for inserting and positioning the plurality of positioning columns one by one.

The first end of the arm 3 is at least fixedly connected to the underside of the first support layer 14. In this embodiment, the first end of the arm 3 is operatively rotatably connected about a vertical axis to the underside of the first support layer 14, and the position of the connection point is not changed when the arm 3 rotates. The arm 3 is connected at a first end to a front support bar 17 below the first support layer 14 and at a second end provides a second support seat 31. The second supporting seat 31 is fixedly connected to the second end horizontally (in a posture substantially parallel to the horizontal plane).

In one embodiment, the arm 3 comprises at least a first strut and a second strut, the first strut and the second strut being hinged. The first end is located at one end (upper end) of the first strut and is fixedly connected to at least the bottom of the first support layer 14. The lower end of the first supporting rod is rotatably connected with one end of the second supporting rod through a pivot shaft. The axis (central line) of the pivot shaft is perpendicular to the first support rod and the second support rod. The second end is positioned at one end of the second supporting rod. The second support seat 31 is operatively rotatably mounted to the second end. The rotation axis around which the second supporting seat 31 rotates is parallel to the rotation axis (the center line of the pivot axis) around which the second supporting rod rotates, so that the second supporting seat 31 has a higher rotation degree of freedom, and is convenient for providing a use posture expected by a user. The first end is operatively rotatably mounted to the bottom of the first support layer 14 and is rotatable about an axis generally in a vertical direction or perpendicular to the direction of the first support layer 14 such that the second support seat 31 is positioned at different horizontal positions, the height position (i.e., up-down position) of the second support seat 31 being adjusted by rotation of the second support bar, and the tilt angle of the second support seat 31 relative to the horizontal being adjusted by rotation of the second support seat 31.

The operational rotation in this embodiment is not free rotation, it being understood that the component may be switched from different orientations or positions by rotation, but it requires the user to operate and be positioned in the desired position when rotated to that position. For example, the rotation between the two parts is applied with rotational damping, or the rotation site is further provided with a tightness adjustment assembly such as a positioning bolt or an anti-rotation bolt or a threaded tightening cap, etc.

In one embodiment, the first struts are disposed perpendicular to the first support layer 14 and fixedly mounted to the bottom (underside) of the first support layer 14. The second supporting rod is a bending rod, one end of the second supporting rod is rotatably sleeved outside the first supporting rod, and the horizontal position of the second supporting seat 31 is changed by rotating the second supporting rod. The second support seat 31 has a height position (with respect to the ground) comprised between 500mm and 1000mm, preferably between 500 and 800mm and further between 500 and 700 mm.

The second support seat 31 is configured to be height-adjustable. Of course, in an embodiment, the second supporting seat 31 may further move up and down, and specifically, the length of the first supporting rod is adjustable, which is a telescopic rod, and the length is adjusted by the telescopic action in the vertical direction, so as to adjust the height of the second supporting rod and the second supporting seat 31 thereon.

The second support seat 31 is located outside the placement space, and can be located on the front side, the left side, and the right side of the vehicle body 11 (the left side and the right side are the left side and the right side when the interface is displayed facing the control host 4) by horizontal rotation, and can be located on the front side, the left side, and the right side as desired, and further when being located on one side of a hospital bed, the second support seat 31 can be located on the left side or the right side of the vehicle body 11, and the oxygenator 7 or the blood pump 8 can be used. In another use scenario, the control host 4 can be moved away from the cart 1 and placed on a sickbed, the tray 2 is mounted on the first support seat 42, and the oxygenator 7 and the blood pump 8 on the tray 2 move together with the control host 4, so that the control host is convenient to directly use on the sickbed.

The tray 2 is detachably or detachably mounted on the first support seat 42 or the second support seat 31. Specifically, the tray 2 is releasably snap-connected to the first support base 42 or the second support base 31 by an operation. That is, the first and second connection portions may include snap-fit connections. The snap connection may be such that the vertical position of the tray 2 is locked, i.e. the tray 2 cannot be moved in the vertical direction. Furthermore, as is evident from the above description, the cooperation of the protruding structures 311 and the recesses 210 enables the horizontal position of the tray 2 to be locked, so that the snap-fit connection cooperates with the protruding structures 311, the recesses 210, so that the horizontal and vertical positions of the tray 2 are locked. Of course, in other embodiments, the horizontal and vertical positions of the tray 2 may be locked by only a snap-fit connection.

In view of the above, the first support base 42 and the second support base 31 are provided with a protrusion structure 311 that can be at least partially inserted into the recess 210. As shown in fig. 10, the second supporting seat 31 is provided with a protruding structure 311, and the protruding structure 311 is a local integral protrusion, which is different from the plurality of positioning posts in the above embodiment, and is more convenient for clamping and positioning. The bottom of the tray 2 is provided with a slot (i.e., the groove 210 of the tray 2) into which the protrusion structure 311 is inserted. The first support base 42 and the second support base 31 have a clamping base 211 connected to the tray 2. The protruding structure 311 is located on the clamping seat 211 and is embedded into the groove 210 of the tray 2, so as to position the tray 2. One of the first support base 42 and the tray 2 or one of the second support base 31 and the tray 2 is provided with a first bayonet 213, and the other is provided with a first buckle body 212 (male buckle) which can be unlocked and clamped into the first bayonet 213. The first button 212 may be a hook. Specifically, a first stopper 214 may be disposed in the first bayonet 213, the first stopper 214 provides a female buckle structure, the first buckle 212 and the first stopper 214 form a buckle structure, and the first buckle 212 may be buckled on the first stopper 214. One of the first clasp 212 and the first stop 214 is operable to move the setting to release the clasp. The initial positions of the first buckle body 212 and the first stopper 214 are located at the buckling positions.

One of the first supporting seat 42 and the tray 2 or one of the second supporting seat 31 and the tray 2 is provided with a first button 24, and one of the first buckle body 212 and the first stop block 214 is provided with a second elastic piece 215 to apply force so as to be positioned at the buckling position. When the first button 24 is forced to move one of the first buckle 212 and the first stop 214 along the direction of resisting the force applied by the second elastic element 215 to separate from the buckling position, the locking is further released, and the tray 2 is conveniently unloaded from the first support seat 42 or the second support seat 31. As shown in fig. 16, the first button 24 may be located between the tray upper cover 26 and the tray lower cover 27.

As shown in fig. 8, the tray main body 21 is provided at the front side thereof with a first button 24, and the first button 24 can be pressed in the front-rear direction. The inner end of the first button 24 is connected to an inner plate, and a plurality of first fastening members 212 facing downward are fixed to the inner plate. The upper end surfaces of the protruding structures 311 of the first supporting seat 42 and the second supporting seat 31 are provided with a plurality of first bayonets 213, and the plurality of first buckles 212 and the plurality of first bayonets 213 are arranged in a one-to-one correspondence. The protruding structure 311 is provided with first stoppers 214, and the first stoppers 214 are arranged in one-to-one correspondence with the first bayonets 213. The holding handle 22 is grasped to place the tray 2 from top to bottom, and the protruding structures 311 of the first support seat 42 and the second support seat 31 are embedded into the grooves 210 of the tray 2 for positioning alignment. The first fastener 212 is inserted into the first bayonet 213, and the first fastener 212 is pushed downwards to be buckled with the first stop block 214, so that position locking is realized. The inner side of the inner plate is provided with a (cylindrical) spring, the spring is pressed and compressed by the inner plate, and the inner plate is applied with elastic force for pushing the inner plate to move forwards, so that the initial position of the first buckle body 212 is positioned at a buckling position capable of being buckled with the first stop block 214.

When the tray 2 needs to be unloaded, the first button 24 is pressed, the first button 24 pushes the inner plate to move backwards (to move rightwards in fig. 8), and the inner plate drives the plurality of first buckles 212 to move backwards so as to separate from the first check blocks 214 and further release the buckles, and at the moment, the other hand grabs the holding handle 22 to pull the tray 2 upwards, so that the tray 2 can be unloaded.

In one embodiment, as shown in fig. 12 and 13, the first support base 42 is provided with an adapter assembly 43 operatively connected thereto in a separated manner. The adapter assembly 43 is provided with the above-mentioned second connection portion so that the tray 2 provided with the first connection portion can be operatively detachably engaged with the adapter assembly 43 provided with the second connection portion. The tray 2 may be connected to the first device by a transfer assembly 43. When the tray 2 is mounted on the first support base 42, the adaptor assembly 43 needs to be mounted to the first apparatus; when the tray 2 is mounted on the second supporting seat 31, the switching component 43 can be detached from the first device, so that the structure of the carrier is simpler and convenient for users to use.

Specifically, the first support base 42 is provided with a mounting plane 422 for mounting the adapter assembly 43. A downwardly extending mounting slot 421 is provided in the mounting plane 422. The adapter assembly is provided with an insertion portion 432 for insertion into the mounting groove 421. Wherein, the insertion portion 432 is configured to have a locked state of being inserted into the mounting groove 421 and at least a vertical position thereof being limited so as not to be separated from the mounting groove 421. The insertion portion 432 is further provided with a pressing piece that is switched from the locking state to the unlocking state allowing disengagement from the mounting groove 421 by pressing.

In one embodiment, the insertion portion 432 is further provided with a movable member located at the circumferential side of the pressing member and a first elastic member abutting against the pressing member. The first elastic member is compressed or released to switch the pressing member between the releasing position and the pressing position. Specifically, the first elastic member is released, so that the pressing member is located at the releasing position, and the movable member is propped by the pressing member to move radially outwards along the pressing member, so that the insertion portion 432 is located at the locking state; the first elastic member is compressed to enable the pressing member to be located at the pressing position, and the movable member moves radially inwards along the pressing member to enable the insertion portion 432 to be in an unlocking state.

As shown in fig. 14, the adapter assembly 43 may include a first mount 431 for mounting the tray 2, and the first mount 431 may be provided with a protrusion structure 311 for being embedded in the groove 210 of the tray 2. The insertion portion 432 is fixedly coupled to a lower portion of the first mount 431. The side of the pressing member 435 may be provided with a first receiving groove 4351 for receiving a portion of the movable member 433. When the pressing member 435 is in the relaxed position, the movable member 433 is pushed by the pressing member 435 to radially protrude the insertion portion 432, so that a part of the movable member 433 can be received in the second receiving groove in the mounting groove 421 to lock the insertion portion 432 and the first device. When the pressing member 435 is in the pressing position, part of the movable member 433 is accommodated in the first accommodation groove 4351 and is completely positioned in the insertion portion 432.

The pressing piece 435 may be a pressing bar extending in an axial direction, which may be a vertical direction or a direction substantially parallel to the vertical direction. Also provided in the insertion portion 432 is a first elastic member 434 abutting under the pressing member 435 for providing an upward restoring elastic force to the pressing member 435. The first elastic member 434 may be a spring, both ends of which are respectively pressed against the bottom of the insertion portion 432 and the pressing member 435. When a downward external force is applied to the pressing member 435, the first elastic member 434 is compressed, and the pressing member 435 is switched from the relaxed position to the pressing position; when no external force is applied to the pressing member 435, the pressing member 435 is pushed upward by the first elastic member 434 in a relaxed position.

The top of the pressing member 435 extends in the axial direction until penetrating the first mount 431, so that the top of the pressing member 435 is exposed to facilitate pressing by a worker. The pressing member 435 is further provided with a stopper 4352, and the stopper 4352 causes the pressing member 435 to form two region sections having different outer dimensions in the axial direction, the two region sections being a first region section M located above and a second region section N located below. As shown in fig. 15, the outer dimension of the first section M is smaller than that of the second section N, and the stop 4352 can be understood as a shoulder of a circular shaft or a step structure on the outer wall of a cylinder.

The insertion portion 432 is formed with a cavity 4323 matching with the second area section N, the first elastic member 434 is also located in the cavity 4323, an opening 4324 matching with the movable member 433 is provided on a sidewall of the bottom of the insertion portion 432, and the opening 4324 is communicated with the cavity 4323. The size of the portion of the opening 4324 located on the outer wall surface is smaller than that of the movable member 433, so that the movable member 433 does not fall out of the insertion portion 432 completely. The first receiving groove 4351 is formed in the outer wall of the second region N of the insertion portion 432. When the pressing member 435 is in the releasing position, the movable member 433 abuts against a portion of the outer sidewall of the second area section N, where the first receiving slot 4351 is not provided, and at this time, the movable member 433 is located in the opening 4324 and partially exposed outside the insertion portion 432, so as to be engaged with the first device, thereby fixedly connecting the insertion portion 432 and the first device. The first device may be provided with a second receiving groove that mates with the moveable member 433. When the pressing member 435 is pressed downward, the first receiving groove 4351 on the outer sidewall of the second area section N moves downward to the movable member 433, and the first receiving groove 4351 provides a retraction space for the movable member 433, so that the movable member 433 can be separated from the second receiving groove of the first apparatus, thereby allowing the insertion portion 432 to be removed from the first apparatus.

The movable member 433 may be a sphere, and correspondingly, the first receiving groove 4351 may be arc-shaped. Of course, in other embodiments, the movable member 433 and the first receiving groove 4351 may have other shapes, such as trapezoid, other polygon, etc. To facilitate the installation of the pressing member 435 within the insertion portion 432, the insertion portion 432 is provided separately. Specifically, the insertion portion 432 includes an insertion portion body 4321 and an end cap 4322 detachably provided to the bottom of the insertion portion body 4321.

Preferably, the adapter assembly is provided with a plurality of insertion portions 432 and the mounting plane 422 is provided with a plurality of mounting slots 421. The plurality of insertion portions 432 are inserted into the plurality of mounting grooves 421 in one-to-one correspondence, so that the horizontal position of the adapter assembly is locked. Preferably, two insertion parts 432 may be provided below the first mounting seat 431, and the two insertion parts 432 correspond to the two mounting positions 25 of the tray 2, respectively, so that the mounting of the tray 2 may be more stable. Correspondingly, the first support seat 42 is provided with two mounting grooves 421 at the mounting plane 422.

In an embodiment, the working device comprises an oxygenator 7 and a blood pump 8, and the mounting location 25 of the tray 2 comprises a first mounting location 216 for mounting the oxygenator 7 and a second mounting location 223 for mounting the blood pump 8. As shown in fig. 18, the bottom surface of the first mounting location 216 is flush with the bottom surface of the second mounting location 223. That is, the bottom surface of the tray 2 is flat except for the area between the first mounting location 216 and the second mounting location 223, which is raised upward to form the recess 210. This arrangement makes it possible to make the tray 2 simple in structure, facilitating its engagement with the first support seat 42 or the second support seat 31.

Wherein the first mounting location 216 is provided with a drain groove 222 for interfacing with the drain hole 74 of the oxygenator 7. Preferably, as shown in fig. 13 and 19, the top surface of the first mounting location 216 is lower than the top surface of the second mounting location 223, so that water discharged from the oxygenator 7 can be prevented from entering the motor of the blood pump 8, and motor burn-in is avoided. Also, the height of the oxygenator 7 is generally higher than that of the blood pump 8, and when the top surface of the first mounting location 216 is lower than that of the second mounting location 223, the top surface of the oxygenator 7 and the top surface of the blood pump 8 can be approximately flush, so that the structural layout is more uniform and reasonable. Furthermore, the blood inlet 76 when the oxygenator 7 is in the first mounting position 216 and the blood outlet 85 when the blood pump 8 is in the second mounting position 223 may be arranged substantially flush in height, i.e. the blood inlet 76 and the blood outlet 85 are substantially at the same level, so that the tubing connecting the blood pump 8 and the oxygenator 7 is as straight as possible, avoiding bending, optimizing the overall layout. The blood outlet 85 of the blood pump 8 is arranged on its pump head 86.

In the present embodiment, the oxygenator 7 is detachably or detachably mounted on the first mounting location 216 of the tray 2. Specifically, the bottom of the oxygenator 7 may be provided with a first recess 71, and the first mounting location 216 may be provided with a first protrusion 220 that may be at least partially embedded in the first recess 71. Specifically, as shown in fig. 18 and 19, the first recess 71 is located approximately at the center of the oxygenator 7, and the first protrusion 220 is located approximately at the center of the first mounting location 216, so that docking positioning is facilitated. In order to prevent the oxygenator 7 from rotating in the circumferential direction after being mounted, a limit straight edge may be provided on the first protrusion 220 and the first recess 71, or, as shown in fig. 19, a first limit protrusion 221 may be provided on one side of the first protrusion 220 of the first mounting location 216, and a first limit groove 72 capable of accommodating the limit protrusion may be provided at the bottom of the oxygenator 7.

Preferably, the oxygenator 7 is operatively releasably snap-connected to the first mounting location 216. To achieve a snap-fit connection of the oxygenator 7 and the first mounting location 216, a first transition piece 73 is provided between the first mounting location 216 and the oxygenator 7. As shown in fig. 18, the first transition piece 73 may be detachably fixed to the bottom surface of the oxygenator 7 by fasteners such as screws 75.

The first transition piece 73 may have a substantially circular flat plate shape, and a center of the first transition piece 73 is provided with a first through hole 731 through which the first boss 220 passes. The first transition piece 73 and the bottom of the oxygenator 7 form a second bayonet 77, and the first mounting location 216 is provided with a second catch 217 (male catch) that is operatively and releasably snapped into the second bayonet 77. The second clasp 217 may be a hook. The first transition piece 73 forms a second stop block 218 near a side wall surface of the second bayonet 77, the second stop block 218 provides a female buckle structure, the second buckle body 217 and the second stop block 218 form a buckle structure, and the second buckle body 217 can be buckled on the second stop block 218. The second clasp 217 can be moved to release the clasp. The initial positions of the second buckle body 217 and the second stop block 218 are located at the buckling positions.

An oxygenator release button 28 may be provided on the tray 2, and the second buckle 217 may be provided with a third elastic member 219 to apply force so as to be positioned at the engaged position. Pressing the oxygenator unlocking button 28 can move the second buckle 217 in a direction against the force of the third elastic member 219, so that the second buckle 217 is separated from the buckling position, and the locking is further released, thereby facilitating the unloading of the oxygenator 7 from the first installation position 216. The oxygenator release button 28 may be located between the tray upper cover 26 and the tray lower cover 27.

As shown in fig. 17, the right side of the tray main body 21 is provided with an oxygenator release button 28, and the oxygenator release button 28 can be pressed in the left-right direction. In other embodiments, the mounting location 25 of the oxygenator release button 28 may be other orientations of the tray 2, and the application is not limited in any way. The inner end of the oxygenator release button 28 is connected to the second clasp 217. The first transition piece 73 forms a second stopper 218 near the right end face of the first through hole 731. The oxygenator 7 connected with the first transition piece 73 is placed to the first installation position 216 from top to bottom, and the first protruding portion 220 and the first limiting protrusion 221 are embedded into the first recessed portion 71 and the first limiting groove 72 of the oxygenator 7 for positioning alignment. The second fastening body 217 is located in the first through hole 731, and is pushed downwards continuously, the second fastening body 217 is inserted into the second bayonet 77, and the second fastening body 217 and the second stop block 218 are fastened, so that position locking is achieved. The left side of the second buckle body 217 has a (cylindrical) spring, and the spring applies an elastic force to the second buckle body 217 to move rightward, so that the initial position of the second buckle body 217 is located at a buckling position capable of being buckled with the second stop block 218.

When the oxygenator 7 needs to be unloaded, the oxygenator unlocking button 28 is pressed, the oxygenator unlocking button 28 pushes the spring to move leftwards, the second buckle body 217 loses the rightward elastic force exerted by the spring on the oxygenator unlocking button, so that the second buckle body 217 moves leftwards to separate the second buckle body 217 from the second stop block 218, the first mounting position 216 and the first transition piece 73 are released from being clamped, and at the moment, the oxygenator 7 can be unloaded by pulling the oxygenator 7 upwards by the other hand.

Specifically, the first protrusion 220 and the first limiting protrusion 221 are surrounded by the drain groove 222. The drain tank 222 has two water outlets, which may be provided on the same side of the tray 2. As shown in fig. 19, two water outlets are provided on the side where the oxygenator release button 28 is provided.

In the present embodiment, the blood pump 8 is operatively and releasably snap-connected to the second mounting site 223. To achieve a snap-in connection of the blood pump 8 and the second mounting location 223, a second transition piece 83 is provided between the second mounting location 223 and the blood pump 8. As shown in fig. 18, the second transition piece 83 may be detachably fixed to the bottom surface of the oxygenator 7 by fasteners such as screws 75. The second transition piece 83 may be provided with a hook 833, and the bottom surface of the blood pump 8 is provided with a clamping groove 84 that can be clamped with the hook 833.

Specifically, the bottom of the second transition piece 83 may be provided with a second recess 81, and the second mounting location 223 may be provided with a second protrusion 227 that may be at least partially embedded in the second recess 81. As shown in fig. 18 and 19, the second recess 81 is located approximately at the center of the second transition piece 83, and the second protrusion 227 is located approximately at the center of the second mounting location 223, facilitating docking positioning. In order to prevent the blood pump 8 from rotating in the circumferential direction after being mounted, a limiting straight edge may be provided on the second protrusion 227 and the second recess 81, or, as shown in fig. 18 and 19, a second limiting protrusion 228 may be provided on one side of the second protrusion 227 of the second mounting location 223, and a second limiting groove 82 capable of accommodating the limiting protrusion may be provided at the bottom of the second transition piece 83.

In order to level the blood inlet 76 of the oxygenator 7 and the blood outlet 85 of the blood pump 8, in addition to providing the top surface of the first mounting location 216 lower than the top surface of the second mounting location 223, the height of the second transition piece 83 may be provided to be greater than the height of the first transition piece 73; alternatively, the vertical separation distance between the bottom surface of the oxygenator 7 and the top surface of the first mounting location 216 is made smaller than the vertical separation distance between the bottom surface of the blood pump 8 and the top surface of the second mounting location 223. For the sake of rationality of the overall layout and convenience of processing, the difference in height between the top surface of the first mounting site 216 and the top surface of the second mounting site 223 can be appropriately reduced, only to ensure that the water discharged from the oxygenator 7 does not enter the motor of the blood pump 8. And when the difference in height between the top surface of the first mounting site 216 and the top surface of the second mounting site 223 is insufficient to level the blood inlet 76 of the oxygenator 7 and the blood outlet 85 of the blood pump 8, it is satisfied that the blood inlet 76 and the blood outlet 85 are flush by setting the height of the second transition piece 83 to be greater than the height of the first transition piece 73. Height here refers to the length in the vertical direction.

The second transition piece 83 may have a substantially cylindrical shape, and the second recess 81 is provided at the bottom center of the second transition piece 83. The top of the second transition piece 83 may be suitably hollowed out of excess to reduce weight. The second limiting groove 82 may be provided on an outer wall surface of the second transition piece 83. The side wall of the second transition piece 83 near the bottom surface is provided with a third bayonet 832 perpendicular to the axial direction. The third bayonet 832 communicates with the second recess 81. The second mounting location 223 is provided with a third fastener 224 (male fastener) that can be snapped into the third bayonet 832. The third button 224 may be a hook. The side wall surface of the second transition piece 83 below the third bayonet 832 forms a third stop 225, the third stop 225 provides a female buckle structure, the third buckle body 224 and the third stop 225 form a buckle structure, and the third buckle body 224 can be buckled on the third stop 225. The third button 224 may be moved to release the catch. The initial positions of the third buckle body 224 and the third stop block 225 are located at the buckling positions.

A blood pump unlocking button 29 may be provided on the tray 2, and the third buckle 224 is provided with a fourth elastic member 226 to apply force so as to be positioned at the engaged position. Pressing the unlocking button 29 of the blood pump can move the third buckle 224 along the direction of resisting the force applied by the fourth elastic member 226, so that the third buckle 224 is separated from the buckling position, and the locking is further released, thereby facilitating the unloading of the blood pump 8 from the second installation position 223. The blood pump unlocking button 29 may be located between the tray upper cover 26 and the tray lower cover 27.

As shown in fig. 17, a blood pump unlocking button 29 is provided on the left side of the tray main body 21, and the blood pump unlocking button 29 can be pressed in the left-right direction. In other embodiments, the mounting location 25 of the blood pump unlocking button 29 may be other orientations of the tray 2, and the application is not limited only. The inner end of the blood pump unlocking button 29 is connected to the third button 224. The sidewall surface of the second transition piece 83 below the third bayonet 832 forms the third stop 225. The blood pump 8 with the second transition piece 83 connected thereto is placed to the second mounting position 223 from top to bottom, and the second protruding portion 227 and the second limiting protrusion 228 are fitted into the second recessed portion 81 and the second limiting groove 82 of the oxygenator 7 for positioning alignment. The third buckle body 224 is located in the second concave portion 81, and is pushed downwards continuously, the third buckle body 224 is inserted into the third bayonet 832, and the third buckle body 224 and the third stop block 225 are buckled, so that position locking is achieved. The right side of the third buckle body 224 is provided with a (cylindrical) spring, and the spring applies an elastic force for moving leftwards to the third buckle body 224, so that the initial position of the third buckle body 224 is located at a buckling position capable of being buckled with the third stop block 225.

When the blood pump 8 needs to be unloaded, the blood pump unlocking button 29 is pressed, the blood pump unlocking button 29 pushes the spring to move rightwards, the third buckle body 224 loses the leftwards elastic force exerted by the spring on the blood pump unlocking button 29, and accordingly the third buckle body 224 moves rightwards to enable the third buckle body 224 to be separated from the third stop block 225, further the second mounting position 223 and the second transition piece 83 are released from being clamped, and at the moment, the blood pump 8 can be unloaded by pulling the blood pump 8 upwards by the other hand.

In another embodiment of the present disclosure, there is also provided an oxygenator system comprising a vehicle as any one of the above. Wherein the first equipment is a control host 4, the second equipment comprises a water tank 5 and an oxygen bottle 6, and the working device comprises an oxygenator 7 and a blood pump 8. The water tank 5 and the oxygen bottle 6 are connected with the oxygenator 7, and the control host 4 is connected with the blood pump 8.

Because the principles of the oxygenator system to solve the problems and the technical effects that can be achieved are similar to those of the above-mentioned vehicles, the implementation of the oxygenator system can be referred to the implementation of the above-mentioned vehicles, and the repetition is omitted.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A tray for an oxygenator system, comprising: a mounting location for a working device, the working device comprising an oxygenator and a blood pump, the mounting location comprising a first mounting location for mounting the oxygenator and a second mounting location for mounting the blood pump; the top surface of the first installation position is lower than the top surface of the second installation position.

2. The tray of claim 1, the tray operably engaged with the first support or the second support; the tray is provided with a first connecting part, and the first supporting seat and the second supporting seat are provided with a second connecting part which can be in operation separation joint with the first connecting part; the first and second connection portions include a snap connection that locks the vertical position of the tray;

Preferably, the first connection portion includes a recess formed in the bottom of the tray, and the second connection portion includes a protrusion structure at least partially insertable into the recess; the groove and the convex structure are matched to lock the horizontal position of the tray;

preferably, the bottom surface of the tray is raised upward in a region between two adjacent mounting positions to form the groove, the groove corresponds to a spacer protruding from the tray main body and spacing the two mounting positions.

3. The tray of claim 2, wherein one of the first support base and the tray or one of the second support base and the tray is provided with a first bayonet, and the other is provided with a first buckle body which is operably clamped into the first bayonet;

preferably, the first buckle body is a hook, a first stop block is arranged in the first bayonet, the first stop block provides a female buckle structure, and the first buckle body can be buckled on the first stop block;

preferably, one of the first clasp body and the first stop is operable to move to release the clasp;

further preferably, the initial positions of the first buckle body and the first stop block are located at the buckling position;

further preferably, one of the first supporting seat and the tray or one of the second supporting seat and the tray is provided with a first button, and one of the first buckle body and the first stop block is provided with a second elastic piece for exerting force so as to be positioned at the buckling position;

Further preferably, the first button is biased to move one of the first button body and the first stopper in a direction against the biasing of the second elastic member to be out of the engaged position;

further preferably, the inner end of the first button is connected with an inner plate, and a plurality of first buckles facing downwards are fixed on the inner plate; the upper end face of the protruding structure is provided with a plurality of first bayonets, and the plurality of first buckle bodies and the plurality of first bayonets are arranged in one-to-one correspondence;

further preferably, the first stop blocks are arranged in the protruding structures and are in one-to-one correspondence with the first bayonets.

4. The tray of claim 1, wherein a first recess is provided in the bottom of the oxygenator, and a first protrusion is provided on the first mounting location, the first protrusion being at least partially insertable into the first recess; the first protruding part and the first recessed part are provided with limiting straight edges; or, a first limiting protrusion is arranged on one side of the first protruding part, and a first limiting groove capable of accommodating the first limiting protrusion is arranged at the bottom of the oxygenator;

preferably, the first mounting position is provided with a drainage groove for docking with a drainage hole of the oxygenator; preferably, the drainage tank is provided with two water outlets, and the two water outlets are arranged on the same side of the tray; further preferably, the first protrusion and the first limit protrusion are surrounded by the drain groove.

5. The tray of claim 4, wherein a first transition piece is arranged between the first mounting position and the oxygenator, a second bayonet is formed at the bottom of the first transition piece and the oxygenator, and a second buckle body which is operably clamped into the second bayonet is arranged at the first mounting position;

preferably, a second stop block is formed on a side wall surface, close to the second bayonet, of the first transition piece, the second buckle body can be buckled on the second stop block, and the second buckle body can be moved to release the buckle;

further preferably, the initial positions of the second buckle body and the second stop block are located at the buckling position;

further preferably, an oxygenator unlocking button is arranged on the tray, and the oxygenator unlocking button is connected with the second buckle body; the second buckle body is provided with a third elastic piece for exerting force so as to be positioned at the buckling position; and pressing the unlocking button of the oxygenator, so that the second buckle body moves along the direction resisting the force applied by the third elastic piece, and the second buckle body is separated from the buckling position.

6. The tray of claim 1, wherein a second transition piece is arranged between the second mounting position and the blood pump, a second concave part is arranged at the bottom of the second transition piece, and a second convex part which can be at least partially embedded in the second concave part is arranged on the second mounting position; the second bulge part and the second concave part are provided with limiting straight edges, or one side of the second bulge part is provided with a second limiting bulge, and the bottom of the second transition piece is provided with a second limiting groove capable of accommodating the limiting bulge;

Preferably, the second transition piece is substantially cylindrical, the second concave portion is arranged at the bottom center of the second transition piece, and the second limit groove is arranged on the outer wall surface of the second transition piece;

further preferably, the height of the second transition piece is greater than the height of the first transition piece; alternatively, the vertical separation distance between the bottom surface of the oxygenator and the top surface of the first mounting location is less than the vertical separation distance between the bottom surface of the blood pump and the top surface of the second mounting location.

7. The tray of claim 6, wherein a third bayonet is provided on a side wall of the second transition piece near the bottom surface, and a third fastener capable of being snapped into the third bayonet is provided on the second mounting position; a third stop block is formed on the side wall surface below the third bayonet of the second transition piece, the third buckle body can be buckled on the third stop block, and the third buckle body can be moved to release the buckle;

preferably, the initial positions of the third buckle body and the third stop block are positioned at the buckling position;

further preferably, a blood pump unlocking button is arranged on the tray, the blood pump unlocking button is connected with a third buckle body, and the third buckle body is provided with a fourth elastic piece for exerting force so as to be positioned at the buckling position; and pressing the blood pump unlocking button, wherein the third buckle body moves along the direction of resisting the force applied by the fourth elastic piece, and the third buckle body is separated from the buckling position.

8. A switch assembly for operative, separable engagement with the tray of any one of claims 1-7, the tray being connected to a first device by the switch assembly.

9. The adapter assembly of claim 8, the adapter assembly being mounted to a first device when the tray is mounted to the first support base; when the tray is mounted on the second support seat, the switching assembly is detached from the first device.

10. The adapter assembly of claim 8, wherein a first support seat is arranged on the first device, a mounting plane for mounting the adapter assembly is arranged on the first support seat, a mounting groove extending downwards is arranged in the mounting plane, and an insertion part for being inserted into the mounting groove is arranged on the adapter assembly;

preferably, the adaptor assembly is provided with a plurality of insertion parts, and the mounting plane is provided with a plurality of mounting grooves; the plurality of inserting parts are inserted into the plurality of mounting grooves in a one-to-one correspondence manner so that the horizontal position of the switching assembly is locked;

further preferably, the adaptor assembly is provided with two insertion parts, and the two insertion parts respectively correspond to two mounting positions of the tray; the mounting plane is provided with two mounting grooves.

11. The adapter assembly of claim 10, the insert being configured to have a locked state inserted into the mounting slot with at least its vertical position being limited from exiting the mounting slot;

preferably, the insertion portion is further provided with a pressing member that is switched from the locked state to the unlocked state allowing disengagement from the mounting groove by pressing, a movable member located on a circumferential side of the pressing member, and a first elastic member that abuts against the pressing member; the first elastic piece is compressed or released to enable the pressing piece to be switched between a releasing position and a pressing position;

further preferably, the first elastic member is released, the pressing member is in a relaxed position, the movable member is pushed by the pressing member to move radially outward along the pressing member, and the insertion portion is in a locked state; the first elastic piece is compressed, the pressing piece is positioned at the pressing position, the movable piece moves inwards along the radial direction of the pressing piece, and the inserting part is in an unlocking state;

further preferably, a first accommodating groove for accommodating part of the movable piece is formed in the side surface of the pressing piece; when the pressing piece is positioned at the loosening position, the movable piece is propped by the pressing piece and radially protrudes out of the insertion part, and part of the movable piece can be accommodated by the second accommodating groove to lock the insertion part and the first equipment; when the pressing piece is positioned at the pressing position, part of the movable piece is accommodated by the first accommodating groove and is completely positioned in the insertion part.

12. The adapter assembly of claim 11, the pressing member further provided with a stopper, the pressing member axially forming a first region section located above and a second region section located below, the first region section having an outer dimension smaller than an outer dimension of the second region section;

preferably, the insertion part is provided with a cavity matched with the second area section, the side wall of the bottom of the insertion part is provided with an opening matched with the movable piece, and the opening is communicated with the cavity; the size of the part of the opening positioned on the outer wall surface is smaller than that of the movable piece; the first accommodating groove is formed on the outer side wall of the second area section in an inward sinking manner;

further preferably, when the pressing piece is in a relaxed position, the movable piece is abutted with a part of the outer side wall of the second area section, which is not provided with the first accommodating groove, and the movable piece is positioned in the open hole and is partially exposed outside the insertion part; when the pressing piece is pressed downwards, the first accommodating groove moves downwards to the movable piece, and the first accommodating groove provides a retraction space for the movable piece;

preferably, the movable part is a sphere, and the first accommodating groove is arc-shaped.

13. A cart, comprising: a tray according to any one of claims 1 to 7.

14. The cart of claim 13, the tray being connectable to the first device by a switch assembly as claimed in any one of claims 8 to 12.

15. An oxygenator system comprising: a trolley according to claim 13 or 14.

16. The oxygenator system of claim 15 wherein a top surface of the oxygenator is substantially flush with a top surface of the blood pump.

17. The oxygenator system of claim 15 wherein the blood inlet when the oxygenator is in a first mounting position and the blood outlet when the blood pump is in a second mounting position are substantially flush in height; alternatively, the blood inlet of the oxygenator and the blood outlet of the blood pump are located at substantially the same horizontal plane; the blood inlet is provided on the top surface of the oxygenator.