CN215021507U

CN215021507U - Hand tray for operating table

Info

Publication number: CN215021507U
Application number: CN202120838662.1U
Authority: CN
Inventors: 张玉红
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-07
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a hand tray for an operating table, which comprises a fixed tray, a movable tray arranged on the fixed tray in a sliding way, a rotating shaft, a gear, a rack and a locking piece; the rack is arranged along the sliding direction of the movable tray and connected to one side of the fixed tray; the gear is rotationally connected with the movable tray through a rotating shaft and is meshed with the rack; the fixed tray is provided with a chute for guiding the rotating shaft to slide; the locking piece is positioned on the outer side of the movable tray, is arranged at one end of the rotating shaft and can turn over relative to the rotating shaft; a plurality of limiting grooves are formed in the outer side of the movable tray; under the locking state, the locking piece overturns to enter one of the limiting grooves. The utility model discloses move the tray and can slide the length that changes the tray, and decide tray one side and be connected with the rack, move the tray and be connected with the gear with rack toothing through the pivot, the retaining member is installed to pivot one end, the retaining member can overturn and get into the spacing groove, restriction gear revolve to the position of fixed tray that moves reaches the effect of sliding adjustment hand tray length.

Description

Hand tray for operating table

Technical Field

The utility model relates to the field of medical devices, especially, relate to a hand tray for operation table.

Background

The operating bed is also called as an operating table, can be used for placing a patient in the operation process, provides a convenient operation environment for doctors, and is an essential tool for medical staff in the operation process; the bed body of the prior operating bed is generally divided into a plurality of sections according to the body structure of a patient, each section supports one part of the body, such as the head, the legs, the trunk and the like, and each section can move to adjust the body position of the patient; the two sides of the bed body are also provided with transverse frames so as to facilitate the installation of other auxiliary facilities.

Generally, in the operation process, in order to maintain the physical function of a patient, nutrient substances such as water, electrolyte, glucose and the like need to be injected into the patient in an intravenous injection mode, when intravenous injection is carried out, the hand tray needs to be used for placing and fixing the hand and wrist parts of the patient, the hand tray used on the operation bed at present is usually arranged on a transverse frame at the side of the operation bed, the position and the angle are changed in a manual pulling mode, the tray is of an integrated structure, the length cannot be changed, and the hand tray cannot flexibly adapt to the conditions of patients with different physiques.

Disclosure of Invention

The utility model provides a hand tray for operation table, the length of slidable adjustment hand tray.

The utility model is realized in such a way, comprising a fixed tray, a movable tray which is arranged on the fixed tray in a sliding way, a rotating shaft, a gear, a rack and a locking piece; the rack is arranged along the sliding direction of the movable tray and connected to one side of the fixed tray; the gear is rotationally connected with the movable tray through the rotating shaft and is meshed with the rack; the fixed tray is provided with a sliding chute for guiding the rotating shaft to slide; the locking piece is positioned on the outer side of the movable tray, is arranged at one end of the rotating shaft and can turn over relative to the rotating shaft; a plurality of limiting grooves are formed in the outer side of the movable tray, and each limiting groove is arranged along the central axis of the rotating shaft in the circumferential direction; under the locking state, the locking piece overturns to enter one of the limiting grooves.

Preferably, a memory sponge layer is arranged at the top of the movable tray.

Preferably, the outer surfaces of the fixed tray, the movable tray and the locking piece are all provided with insulating layers.

Preferably, the fixed tray is connected with the movable tray in a sliding manner through a sliding assembly, and the sliding assembly comprises a sliding strip, a sliding block and a limiting block; the sliding strips are arranged on two sides of the fixed tray and are connected with sliding blocks in a sliding mode; the sliding blocks are connected with the movable tray; the limiting blocks are arranged on two sides of the sliding block along the sliding direction of the sliding block.

Preferably, one side of the limiting block, which faces the sliding block, is provided with a buffer device.

Preferably, the one end of retaining member is provided with two upper and lower bosss, each coaxial first through-hole has been seted up to the boss, the one end of pivot is passed and is set up two between the boss, and the side seted up with the coaxial second through-hole of first through-hole, second through-hole pass through the pin rotation and are connected.

Preferably, the bottom surface of the movable tray is provided with a through groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses move the tray and can slide the length that changes the tray, and decide tray one side and be connected with the rack, move the tray and install the gear with rack toothing through the pivot, when moving the tray and slide, the gear rotates in the pivot, and the retaining member is installed to pivot one end, and the retaining member can overturn and get into the spacing groove, restriction gear revolve to the fixed position of moving the tray reaches the effect of sliding adjustment hand tray length.

Drawings

Fig. 1 is a schematic view of an explosive structure of a hand tray for an operating bed according to the present invention;

fig. 2 is a schematic structural view of a hand tray for an operating bed according to the present invention;

FIG. 3 is a schematic view of the sliding assembly of FIG. 1;

FIG. 4 is a schematic view of the structure of the rotating shaft in FIG. 1;

FIG. 5 is a schematic view of the locking member of FIG. 1;

fig. 6 is a schematic diagram of a partially enlarged structure at a in bitmap 1.

In the figure: 1. fixing a tray; 11. a chute; 2. moving the tray; 21. a limiting groove; 22. a sponge layer; 23. a through groove; 3. a rotating shaft; 31. a first through hole; 32. a pin; 4. a gear; 5. a rack; 6. a locking member; 61. a boss; 62. a second through hole; 7. a sliding assembly; 71. a slide rail; 72. a slider; 73. a limiting block; 731. a buffer device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 6, a hand tray for an operating table includes a fixed tray 1, a movable tray 2 slidably disposed on the fixed tray 1, a rotating shaft 3, a gear 4, a rack 5 and a locking member 6; the rack 5 is arranged along the sliding direction of the movable tray 2 and is connected to one side of the fixed tray 1; the gear 4 is rotationally connected with the movable tray 2 through the rotating shaft 3 and is meshed with the rack 5; the fixed tray 1 is provided with a chute 11 for guiding the rotating shaft 3 to slide; the locking piece 6 is positioned on the outer side of the movable tray 2, is arranged at one end of the rotating shaft 3 and can turn over relative to the rotating shaft 3; a plurality of limiting grooves 21 are formed in the outer side of the movable tray 2, and each limiting groove 21 is arranged along the central axis of the rotating shaft 3 in the circumferential direction; in the locked state, the locking element 6 is turned over into one of the limiting grooves 21.

In this embodiment, move on tray 2 slides and set up and decide tray 1, the length of the manual tray of slidable adjustment, and move tray 2 and rotate through pivot 3 and connect gear 4, gear 4 meshes with the rack 5 of connection on deciding tray 1, when moving tray 2 and slide, gear 4 with rack 5 meshing rotates in pivot 3, retaining member 6 that can overturn is installed to the one end of pivot 3, when retaining member 6 overturns to offering in the spacing groove 21 on moving tray 2, pivot 3 can't rotate, gear 4 with 3 coaxial coupling of pivot also can't rotate, the teeth of a cogwheel card of gear 4 is in rack 5, the slip of moving tray 2 has been restricted, thereby reach the effect of the manual tray length of slidable adjustment.

Further, a memory sponge layer 22 is arranged on the top of the movable tray 2.

In this embodiment, the memory sponge layer 22 has buffering and shock-absorbing functions, can allow the arms of the patient to be comfortably placed thereon for a long time, has resilience, and can automatically recover the deformation.

Furthermore, the outer surfaces of the fixed tray 1, the movable tray 2 and the locking piece 6 are all provided with insulating layers.

In this embodiment, the insulating layer can completely cut off the current that accidentally reveals because of circumstances such as circuit ageing, electrical apparatus damage on the operating bed, protection patient and medical personnel's safety.

Further, the tray of the fixed tray 1 is connected with the movable tray 2 in a sliding way through a sliding assembly 7, and the sliding assembly 7 comprises a sliding rail 71, a sliding block 72 and a limiting block 73; the sliding rails 71 are arranged on two sides of the fixed tray 1 and are connected with sliding blocks 72 in a sliding manner; the sliding blocks 72 are all connected with the movable tray 2; the stopper 73 is provided on both sides of the slider 72 in the sliding direction of the slider 72.

In the embodiment, the tray of the fixed tray 1 is connected with the movable tray 2 in a sliding manner through the sliding assembly 7, and the sliding block 72 and the sliding rail 71 can be independently and precisely manufactured and then respectively installed on the movable tray 2 and the fixed tray 1, so that the manufacturing cost is reduced, and the sliding stability of the movable tray 2 is ensured; the limiting block 73 is used for limiting the sliding range of the sliding block 72, the sliding block 72 is connected with the movable tray 2, and the sliding range of the movable tray 2 can be adjusted by adjusting the position of the limiting block 73.

Further, a buffer device 731 is disposed on a side of the limiting block 73 facing the sliding block 72.

In this embodiment, the buffer device 731 can reduce the impact force between the slider 72 and the stopper 73, and reduce noise and vibration.

Furthermore, two upper and lower bosss 61 are provided with to the one end of retaining member 6, and coaxial first through-hole 31 has been seted up to each boss 61, and the one end of pivot 3 is passed and is set up between two bosss 61, and the side is seted up with the coaxial second through-hole 62 of first through-hole 31, and first through-hole 31, second through-hole 62 rotate through pin 32 and are connected.

In this embodiment, one end of the rotating shaft 3 is disposed between two bosses 61, the first through hole 31 and the second through hole 62 are connected by a pin 32, and the locking member 6 can drive and limit the rotation of the rotating shaft 3, and can turn over the rotating shaft 3 with the axis as a reference.

Further, a through groove 23 is formed in the bottom surface of the movable tray 2.

In this embodiment, when medical staff needs to use the medical bandage to fix the hands of the patient on the tray, the bandage is wound in the through groove 23, so that the bandage can be prevented from sliding, and the fixing effect is enhanced.

The utility model discloses a theory of operation and use flow: the fixed tray 1 is arranged on the side of the operating bed; after the patient is manually placed on the manual tray 2, the locking piece 6 at one end of the turning rotating shaft 3 is separated from the limiting groove 21, and the rotating shaft 3 can rotate at the moment; slip and move tray 2, rotate on pivot 3 with gear 4 of rack 5 meshing, move tray 2 and slide to suitable position after, upset retaining member 6 to spacing groove 21 in, the rotation of pivot 3 is restricted, also can't rotate with gear 4 that pivot 3 is connected, the card is in 5 with the rack of deciding tray 1 and being connected, moves tray 2 and is fixed unable slip to reach the effect of adjusting tray length.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A hand tray for an operating table is characterized by comprising a fixed tray (1), a movable tray (2) arranged on the fixed tray (1) in a sliding manner, a rotating shaft (3), a gear (4), a rack (5) and a locking piece (6);

the rack (5) is arranged along the sliding direction of the movable tray (2) and is connected to one side of the fixed tray (1);

the gear (4) is rotationally connected with the movable tray (2) through the rotating shaft (3) and is meshed with the rack (5); a sliding groove (11) for guiding the rotating shaft (3) to slide is formed in the fixed tray (1);

the locking piece (6) is positioned on the outer side of the movable tray (2), is arranged at one end of the rotating shaft (3), and can be turned over relative to the rotating shaft (3);

a plurality of limiting grooves (21) are formed in the outer side of the movable tray (2), and each limiting groove (21) is arranged in the circumferential direction along the central axis of the rotating shaft (3); under the locking state, the locking piece (6) turns over and enters one of the limiting grooves (21).

2. Hand tray for operating tables according to claim 1, characterized in that on top of said mobile tray (2) there is a memory sponge layer (22).

3. Hand tray for operating tables according to claim 1, characterized in that the outer surfaces of the fixed tray (1), the movable tray (2) and the locking piece (6) are provided with an insulating layer.

4. The hand tray for operating tables according to claim 1, characterized in that the fixed tray (1) is connected with the movable tray (2) in a sliding way through a sliding assembly (7), the sliding assembly (7) comprises a sliding bar, a sliding block (72) and a limiting block (73);

the sliding strips are arranged on two sides of the fixed tray (1) and are connected with sliding blocks (72) in a sliding mode;

the sliding blocks (72) are connected with the movable tray (2);

the limiting blocks (73) are arranged on two sides of the sliding block (72) along the sliding direction of the sliding block (72).

5. Hand tray for operating tables according to claim 4, characterized in that the side of the limit block (73) facing the slide (72) is provided with a damping device (731).

6. The hand tray for the operating table according to claim 1, wherein one end of the locking member (6) is provided with an upper boss and a lower boss (61), each boss (61) is provided with a coaxial first through hole (31), one end of the rotating shaft (3) is arranged between the two bosses (61) in a penetrating manner, the side surface of the rotating shaft is provided with a second through hole (62) coaxial with the first through hole (31), and the first through hole (31) and the second through hole (62) are rotatably connected through a pin (32).

7. Hand tray for operating tables according to claim 1, characterized in that the bottom surface of the mobile tray (2) is provided with a through slot (23).