Extensible tray device for cardiac surgery nursing

By designing an expandable tray device, utilizing an expansion tray structure driven by a worm gear and ball screw sleeve, the problem of insufficient space in cardiac surgery nursing trays was solved, enabling flexible expansion of the tray area and efficient storage of items, thereby improving surgical efficiency.

CN223874113UActive Publication Date: 2026-02-06GENERAL HOSPITAL OF THE NORTHERN WAR ZONE OF THE CHINESE PEOPLES LIBERATION ARMY
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Patent Information

Application Number
CN202520201163.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-02-06
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

The existing cardiac surgery nursing trays lack expansion capabilities, which leads to the need to frequently change or rearrange items when space is insufficient, increasing the workload and affecting the smoothness of surgery and the efficiency of item retrieval.

Method used

An expandable tray device for cardiac surgery care was designed. The tray is expandable by a first expansion plate driven by a worm gear and ball screw sleeve and an adjustment assembly, which increases the load-bearing area. This includes the unfolding and retraction of the first and second expansion plates.

Benefits of technology

It enables flexible expansion of tray space, avoids item congestion, improves item retrieval efficiency and surgical smoothness, and reduces workload.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of nursing appliances, in particular to an extensible tray device for cardiac surgery nursing, which comprises a tray body, a first extension component is arranged in an inner cavity of the tray body, and the first extension component comprises two groups of first extension discs which are inserted into the inner cavity of the tray body and are symmetrical to each other. A rotating handle is rotated to drive a worm to rotate, a worm gear and a two-way lead screw rotate along with the worm gear, two sets of ball screw sleeves slide along the outer wall of the two-way lead screw and get away from each other, and two sets of first expansion discs get away from each other and are unfolded in the tray body till the ball screw sleeves slide to make contact with the inner wall of the tray body and cannot continue to move. Medical articles needing to be supported are evenly placed at the upper end of the tray body and the upper end of the first expansion disc according to classification and purposes, the overall supporting area of the device is increased through the arrangement of the first expansion disc, and the technical problems that the articles placed on the tray body are too crowded, and it is possible for medical staff to quickly find the needed articles are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nursing appliance technical field especially, relates to a heart surgery nursing expandable tray device. BACKGROUND

[0002] The heart surgery also contains the disease of heart surgery and general thoracic surgery, the heart surgery researches heart big blood vessel trauma, pericardium disease, congenital heart disease, acquired heart valve disease, ischemic heart disease, heart tumor, big blood vessel disease, interventional therapy technology, surgical treatment of arrhythmia, heart pacing and implantable defibrillator, dynamic cardiomyoplasty, heart, lung and heart-lung transplantation etc., and often uses the tray when carrying out the heart surgery nursing.

[0003] Some heart surgery nursing trays do not have the expansion function, when the tray space is insufficient, the medical staff can need to frequently change or reorganize the articles on the tray, which not only increases the work burden, but also can affect the smoothness and efficiency of the operation, in addition, if the articles on the tray are placed too crowded, the medical staff can also be difficult to quickly find the required articles. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research thereon, and after a lot of creative labor, the utility model is completed.

[0005] Specifically, the technical problem to be solved by the utility model is to provide a heart surgery nursing expandable tray device to solve the technical problem that some existing heart surgery nursing trays do not have the expansion function, when the tray space is insufficient, the medical staff can need to frequently change or reorganize the articles on the tray, which not only increases the work burden, but also can affect the smoothness and efficiency of the operation, in addition, if the articles on the tray are placed too crowded, the medical staff can also be difficult to quickly find the required articles.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A heart surgery nursing expandable tray device, including the tray body, first expansion assembly is equipped in the cavity of tray body, the first expansion assembly includes two groups of first expansion discs that are symmetrically inserted in the cavity of tray body, two-way screw rod is rotationally arranged on both ends of the inner wall of tray body, the lower end of the worm gear is provided with a worm, the outer wall of two-way screw rod is provided with two groups of ball silk sleeves that are symmetrically arranged, the upper end of tray body is provided with second expansion assembly, the second expansion assembly includes two groups of fixed plates arranged on the upper end of tray body, two groups of second expansion discs that are symmetrically inserted in the middle end of fixed plate, the upper end of second expansion disc is provided with adjusting assembly.

[0008] As a kind of improved technical solutions, the first extension disc is movably inserted in the inner cavity of the tray body, and two groups of first sliding blocks are symmetrically arranged at the two ends of the first extension disc; the inner wall of the tray body is provided with first sliding grooves matched with the first sliding blocks.

[0009] As a kind of improved technical solutions, the two-way screw rod is rotatably connected to the inner wall of the tray body at the two ends, the worm gear and the worm are meshed with each other, the front end of the worm is rotatably connected to the inner wall of the tray body, and the end of the worm away from the inner wall of the tray body is movably inserted through the tray body and connected with a handle.

[0010] As a kind of improved technical solutions, the two groups of first extension discs are symmetrically arranged at the two ends of the first extension disc.

[0011] As a kind of improved technical solutions, the second extension disc is movably inserted in the middle end of the fixed plate, and two groups of second sliding blocks are symmetrically arranged at the two sides of the outer wall of the second extension disc; the inner wall of the fixed plate is provided with second sliding grooves matched with the second sliding blocks.

[0012] As a kind of improved technical solutions, the adjusting assembly comprises an adjusting frame fixedly arranged at the upper end of the second extension disc, a sliding rod movably inserted in the middle end of the adjusting frame, a fixed sleeve fixedly sleeved on the outer wall of the sliding rod, a spring movably sleeved on the outer wall of the sliding rod at the upper end of the fixed sleeve, and the upper and lower ends of the spring are fixedly connected with the adjusting frame and the fixed sleeve, respectively.

[0013] As a kind of improved technical solutions, the lower end of the sliding rod movably passes through the bottom end of the adjusting frame, and a plurality of positioning holes matched with the sliding rod are formed in the upper end of one side of the fixed plate.

[0014] As a kind of improved technical solutions, the lower end of the tray body is fixedly provided with four groups of anti-skid pads symmetrically arranged.

[0015] After adopting the above technical solutions, the beneficial effects of the present application are as follows:

[0016] In the present application, the handle is rotated to drive the worm to rotate, and the worm gear and the two-way screw rod are rotated accordingly; the two groups of ball bushings slide along the outer wall of the two-way screw rod and move away from each other; the two groups of first extension discs move away from each other and expand from the tray body; until the ball bushings cannot move further because they contact the inner wall of the tray body; the medical items to be supported are evenly placed on the upper end of the tray body and the first extension disc according to classification and purpose; the setting of the first extension disc increases the supporting area of the device as a whole, avoiding the items on the tray body being placed too crowded, and the medical staff may also have difficulty in quickly finding the required items.

[0017] The utility model discloses, when needing to increase the bearing area of tray, can slide the slide rod upwards, and the slide rod slides along the adjusting frame upwards, and the fixed sleeve compression spring makes the slide rod leave the positioning hole, then through the second sliding block, along the second sliding slot of fixed plate inner wall opening second extension disc, two groups of second extension disc are far from each other, make the bearing area of tray body upper end increase, when the lower end of slide rod moves to the upper end of corresponding positioning hole, under the reverse spring force of spring, the fixed sleeve drives the slide rod to move downwards, and the lower end of slide rod is inserted into the corresponding positioning hole, can complete the fixation of second extension disc, and the second extension disc sets up U shape, and the space gradually formed through tray body upper end and two groups of second extension disc is used to store the medical article that needs to be supported, makes the overall support area of device increase. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings. Among them:

[0019] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model discloses a kind of expandable tray device for cardiac surgery nursing;

[0020] Figure 2 It is the first extension assembly and tray body part section three-dimensional structure schematic diagram of the utility model discloses a kind of expandable tray device for cardiac surgery nursing;

[0021] Figure 3 It is the first extension disc three-dimensional structure schematic diagram of the utility model discloses a kind of expandable tray device for cardiac surgery nursing;

[0022] Figure 4 It is the second extension assembly three-dimensional structure schematic diagram of the utility model discloses a kind of expandable tray device for cardiac surgery nursing;

[0023] Figure 5 It is the adjusting assembly three-dimensional structure schematic diagram of the utility model discloses a kind of expandable tray device for cardiac surgery nursing.

[0024] In the drawing: 1, tray body;2, first extension assembly;21, first extension disc;22, bidirectional screw;23, worm wheel;24, worm;25, ball screw;26, first sliding block;27, handle;3, second extension assembly;31, fixed plate;32, second extension disc;33, second sliding block;34, adjusting assembly;341, adjusting frame;342, slide rod;343, fixed sleeve;344, spring;35, positioning hole;4, non-slip pad. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0027] Meanwhile, "and / or" or "the / or" appearing in the entire text means that three schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes are satisfied at the same time.

[0028] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0029] As Figures 1-3 As shown in the drawings, the present embodiment provides a heart surgery nursing expandable tray device, which comprises a tray body 1, a first expansion assembly 2 is arranged in the inner cavity of the tray body 1, the first expansion assembly 2 comprises two groups of first expansion discs 21 which are symmetrically arranged in the inner cavity of the tray body 1, a bidirectional screw rod 22 is rotatably arranged at both ends of the inner wall of the tray body 1, a worm wheel 23 is sleeved at the middle end of the bidirectional screw rod 22, a worm 24 is arranged at the lower end of the worm wheel 23, and two groups of ball silk sleeves 25 which are symmetrically arranged are sleeved on the outer wall of the bidirectional screw rod 22.

[0030] The first expansion disc 21 is movably arranged in the inner cavity of the tray body 1, two groups of first sliding blocks 26 which are symmetrically arranged are fixedly arranged at both ends of the first expansion disc 21, and a first sliding groove matched with the first sliding block 26 is formed in the inner wall of the tray body 1.

[0031] The two-way screw rod 22 is rotatably connected to the inner wall of the tray body 1 at both ends, the worm gear 23 and the worm 24 are in meshing engagement, the front end of the worm 24 is rotatably connected to the inner wall of the tray body 1, and the end of the worm 24 away from the inner wall of the tray body 1 is movably inserted through the tray body 1 and connected with a rotating handle.

[0032] The two groups of first expansion discs 21 are fixedly provided with handle bars 27 at the ends away from each other.

[0033] The tray body 1 is fixedly provided with four groups of anti-skid pads 4 symmetrically at the lower end.

[0034] When the medical articles to be supported are more and the carrying area of the tray needs to be increased, the rotating handle is rotated to drive the worm 24 to rotate, the worm 24 and the worm gear 23 are in meshing engagement, the worm gear 23 and the two-way screw rod 22 are rotated, the two groups of ball bushings 25 are slid along the outer wall of the two-way screw rod 22 and away from each other, and the first sliding blocks 26 at the two ends of the first expansion disc 21 are slid outward along the first sliding grooves formed in the inner wall of the tray body 1, the two groups of first expansion discs 21 are unfolded away from each other from the inner wall of the tray body 1, until the ball bushings 25 cannot continue to move because they are in contact with the inner wall of the tray body 1, the medical articles to be supported are uniformly placed on the upper end of the tray body 1 and the first expansion disc 21 according to classification and use, the setting of the first expansion disc 21 increases the supporting area of the device as a whole, avoids the articles on the tray body 1 from being placed too crowded, and avoids the technical problem that the medical staff may have difficulty in quickly finding the required articles, when the use is finished, the worm 24 can be reversely rotated, the two groups of first expansion discs 21 are recovered inward, until the two groups of first expansion discs 21 are in close contact with each other, so that the first expansion disc 21 can be recovered into the tray body 1, the space occupation area of the device as a whole is reduced, storage is facilitated, the medical staff holds the handle bar 27, and places the device at a designated position for storage, the setting of the anti-skid pad 4 increases the stability of the device.

[0035] As shown in Figure 4 and Figure 5 The tray body 1 is provided with a second expansion assembly 3 at the upper end, the second expansion assembly 3 comprises two groups of fixed plates 31 provided at the upper end of the tray body 1, two groups of second expansion discs 32 are inserted into the middle end of the fixed plate 31 symmetrically, and the upper end of the second expansion disc 32 is provided with an adjusting assembly 34.

[0036] The second expansion disc 32 is movably inserted into the middle end of the fixed plate 31, two groups of second sliding blocks 33 are fixedly provided on the outer wall of the second expansion disc 32 symmetrically, and the second sliding grooves matched with the second sliding blocks 33 are formed in the inner wall of the fixed plate 31.

[0037] The adjusting assembly 34 comprises an adjusting frame 341 fixedly arranged at the upper end of the second expansion disc 32, a sliding rod 342 movably arranged in the middle end of the adjusting frame 341, a fixing sleeve 343 fixedly sleeved on the outer wall of the sliding rod 342, and a spring 344 movably sleeved on the outer wall of the upper end of the fixing sleeve 343, and the upper and lower ends of the spring 344 are fixedly connected with the adjusting frame 341 and the fixing sleeve 343 respectively.

[0038] The lower end of the sliding rod 342 movably penetrates through the bottom end of the adjusting frame 341, and a plurality of positioning holes 35 matched with the sliding rod 342 are arranged on the upper end of one side of the fixed plate 31.

[0039] When it is needed to increase the bearing area of the tray, the sliding rod 342 is slid upward, the sliding rod 342 slides upward along the adjusting frame 341, and the spring 344 is compressed through the fixing sleeve 343, so that the sliding rod 342 is away from the positioning hole 35, then the second expansion disc 32 is slid along the second sliding groove arranged on the inner wall of the fixed plate 31 through the second sliding block 33, the two groups of second expansion discs 32 are away from each other, so that the bearing area of the upper end of the tray body 1 is increased, when the lower end of the sliding rod 342 moves to the upper end of the corresponding positioning hole 35, under the reverse elastic force of the spring 344, the fixing sleeve 343 drives the sliding rod 342 to move downward, the lower end of the sliding rod 342 is inserted into the corresponding positioning hole 35, so that the fixing of the second expansion disc 32 is completed, the second expansion disc 32 is arranged in a U shape, and the space gradually formed by the upper end of the tray body 1 and the two groups of second expansion discs 32 is used for storing the medical articles to be supported, so that the overall bearing area of the device is increased.

Claims

1. A heart surgery care scalable tray device comprising a tray body (1), characterized in that: The first expansion assembly (2) is arranged in the inner cavity of the tray body (1), the first expansion assembly (2) comprises two groups of first expansion discs (21) symmetrically arranged in the inner cavity of the tray body (1), two-way screw rods (22) are rotatably arranged at the two ends of the inner wall of the tray body (1), a worm wheel (23) is arranged in the middle of the two-way screw rod (22), a worm (24) is arranged at the lower end of the worm wheel (23), two groups of ball silk sleeves (25) are symmetrically arranged on the outer wall of the two-way screw rod (22), a second expansion assembly (3) is arranged at the upper end of the tray body (1), the second expansion assembly (3) comprises two groups of fixed plates (31) arranged at the upper end of the tray body (1), two groups of second expansion discs (32) are arranged in the middle of the fixed plates (31), and an adjusting assembly (34) is arranged at the upper end of the second expansion disc (32).

2. The cardiac surgical care extensible tray apparatus of claim 1, wherein: The first expansion disc (21) is movably arranged in the inner cavity of the tray body (1), and two groups of first sliding blocks (26) are symmetrically arranged at the two ends of the first expansion disc (21); first sliding grooves are formed in the inner wall of the tray body (1) and matched with the first sliding blocks (26).

3. The cardiac surgical care extensible tray apparatus of claim 1, wherein: The two-way screw rod (22) is rotatably connected with the inner wall of the tray body (1) at the two ends, the worm wheel (23) and the worm (24) are meshed with each other, the worm (24) is rotatably connected with the inner wall of the tray body (1) at the front end, and the end of the worm (24) away from the inner wall of the tray body (1) is movably arranged through the tray body (1) and connected with a handle.

4. The cardiac surgical care extensible tray apparatus of claim 1, wherein: The two groups of first expansion discs (21) are symmetrically arranged at the two ends of the two groups of first expansion discs (21).

5. The cardiac surgical care extensible tray apparatus of claim 1, wherein: The second expansion disc (32) is movably arranged in the middle of the fixed plate (31), two groups of second sliding blocks (33) are symmetrically arranged on the outer wall of the second expansion disc (32), and second sliding grooves are formed in the inner wall of the fixed plate (31) and matched with the second sliding blocks (33).

6. The cardiac surgical care extensible tray apparatus of claim 1, wherein: The adjusting assembly (34) comprises an adjusting frame (341) fixedly arranged at the upper end of the second expansion disc (32), a sliding rod (342) movably arranged in the middle of the adjusting frame (341), a fixed sleeve (343) fixedly arranged on the outer wall of the sliding rod (342), a spring (344) movably arranged on the outer wall of the sliding rod (342) at the upper end of the fixed sleeve (343), and the spring (344) is fixedly connected with the adjusting frame (341) and the fixed sleeve (343) at the upper end and the lower end.

7. The cardiac surgical care extensible tray set as in claim 6, wherein: The lower end of the sliding rod (342) movably penetrates through the bottom end of the adjusting frame (341), and a plurality of positioning holes (35) matched with the sliding rod (342) are formed in the upper end of one side of the fixed plate (31).

8. The cardiac surgical care extensible tray apparatus of claim 1, wherein: Four groups of anti-skid pads (4) are symmetrically arranged at the lower end of the tray body (1).