CN212816575U

CN212816575U - Blood purification puncture upper limbs fixing device

Info

Publication number: CN212816575U
Application number: CN202020620242.1U
Authority: CN
Inventors: 李海丽; 张永辉
Original assignee: Luohe First Peoples Hospital
Current assignee: Luohe First Peoples Hospital
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-03-30
Anticipated expiration: 2030-04-22

Abstract

A blood purification puncture upper limb fixing device effectively solves the problems that the pressure of the existing fixing device on the upper limb of a patient is excessive and the arm of the patient cannot be bent; the U-shaped plate comprises a U-shaped plate with an upward opening in the front-back direction, a front supporting block in the front-back direction is arranged in the U-shaped plate, a rear supporting block behind the front supporting block and in the front-back direction is hinged in the U-shaped plate, the upper end surfaces of the front supporting block and the rear supporting block are respectively concave arc surfaces, an arc plate with a downward opening in the left-right direction is hinged at the left end of the front supporting block and the left end of the rear supporting block respectively, a buffer plate with the same shape as the arc plate is arranged in the arc plate through a plurality of springs, a rack in the front-back direction is connected to the lower side wall of the U-shaped plate in a sliding mode, the rear end of the rack is hinged to the rear supporting; the novel multifunctional electric heating cooker is simple in structure, novel in conception, convenient to use and high in practicability.

Description

Blood purification puncture upper limbs fixing device

Technical Field

The utility model relates to a blood purification branch of academic or vocational study auxiliary instrument technical field, especially a blood purification puncture upper limbs fixing device.

Background

Blood purification is also called dialysis, and during each treatment, the dialysis time of a patient is more than 4 hours, and the patient is easy to take off needles and puncture blood vessels when sleeping, sitting up or other involuntary activities in the dialysis process, so that pain is brought to the patient, the working difficulty of medical staff is increased, and an upper limb fixing device is needed to fix the upper limbs of the patient.

The existing upper limb fixing device is mostly fixed by a binding belt, in order to achieve a good fixing effect, the upper limb of a patient is often subjected to excessive pressure, the blood circulation of the upper limb of the patient is not smooth, the treatment effect is influenced, and the semi-reclining position posture is often adopted during clinical dialysis, but the elbow part of the patient cannot be bent after the fixing of the existing fixing device, the forearm and the upper arm are in a straight line state, the upper limb is in an unnatural physiological state for a long time, and the phenomena of fatigue and numbness of the upper limb of the patient are easily caused.

SUMMERY OF THE UTILITY MODEL

To the situation, in order to compensate the deficiency of the prior art, the utility model aims at providing a blood purifies puncture upper limbs fixing device, and the effectual current fixing device of having solved is tightened the pressure excessively to patient's upper limbs, and can't make the crooked problem of patient's arm.

The technical scheme of its solution is, the utility model discloses a fore-and-aft direction and opening U-shaped plate up, be equipped with the preceding kicking block of fore-and-aft direction in the U-shaped plate, it has the back kicking block that is located preceding kicking block rear and fore-and-aft direction to articulate in the U-shaped plate, preceding kicking block is recessed arcwall face respectively with the up end of back kicking block, preceding kicking block articulates respectively with back kicking block left end has about direction and opening arc down, be equipped with the buffer board the same rather than the shape through a plurality of springs in the arc, sliding connection has the rack of fore-and-aft direction on the lateral wall under the U-shaped plate, the rack rear end is connected through the articulated of pendulum rod and back kicking block, axial gear about being equipped with in the U.

Compared with the prior art, the beneficial effects of the utility model are that: the U-shaped board that is equipped with, preceding kicker, back kicker, the arc, springs etc, can prevent to cause excessively tightening pressure to the upper limbs when fixed patient's upper limbs, the angle of forearm and upper arm when simultaneously can adjusting patient's fixing, make patient's upper limbs be in nature physiological state at the dialysis in-process, prevent that the upper limbs from appearing tired, numb phenomenon, the rectangular channel that is equipped with, the pothook, cardboard etc., can realize spacing to the arc board, prevent that patient's upper limbs from removing, be equipped with commentaries on classics handle and pivot, medical personnel running gear can be convenient for, ratchet and pawl that are equipped with, can realize spacing to the gear, prevent back kicker because gravity reason downswing, the elastic cloth that is equipped with, can prevent that patient's elbow from being hindered by the clamp, this simple structure, the design is novel, high durability.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the utility model.

Fig. 3 is an enlarged view of a in fig. 2 according to the present invention.

Figure 4 is the utility model discloses a cut main visual axis mapping.

Fig. 5 is a full-section right perspective view diagram of the utility model.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

The utility model is given by figures 1 to 5, including fore-and-aft direction and U-shaped plate 1 that the opening faces upward, be equipped with fore-and-aft direction's preceding kicking block 2 in the U-shaped plate 1, it has back kicking block 3 that is located preceding kicking block 2 rear and fore-and-aft direction to articulate in the U-shaped plate 1, the up end of preceding kicking block 2 and back kicking block 3 is recessed arcwall face respectively, preceding kicking block 2 articulates respectively with back kicking block 3 left end has left right direction and opening arc 4 down, be equipped with buffer board 6 the same with its shape through a plurality of springs 5 in the arc 4, sliding connection has fore-and-aft direction's rack 7 on the lateral wall under U-shaped plate 1, rack 7 rear end is connected with back kicking block 3 through pendulum rod 8 is articulated, be equipped with left right axial gear 9 in the U-shaped plate.

For the convenience of carrying on spacingly to arc plate 4, preceding kicking block 2 and back kicking block 3's right-hand member seted up opening rectangular channel 10 up respectively, be equipped with the cardboard 11 of upper and lower direction on the rectangular channel 10 right side wall, the free end of arc plate 4 is equipped with can block the pothook 12 on its corresponds side cardboard 11, the round hole of controlling the axial and rather than corresponding side rectangular channel 10 intercommunication is seted up respectively to preceding kicking block 2 and back kicking block 3's right-hand member, axial cylinder 13 about cardboard 11 lower extreme is equipped with, cylinder 13 right-hand member stretches out its round hole that corresponds the side and is equipped with pull rod 14.

In order to drive the gear 9 to rotate, a rotating shaft 15 is coaxially arranged at the left end of the gear 9, the left end of the rotating shaft 15 penetrates through the U-shaped plate 1 and is rotatably connected with the U-shaped plate 1, and a rotating handle 16 is arranged at the left end of the rotating shaft 15.

In order to limit the gear 9, a ratchet wheel 17 positioned in the U-shaped plate 1 is coaxially arranged on the rotating shaft 15, and a pawl 18 positioned above the ratchet wheel 17 and meshed with the ratchet wheel 17 is rotatably connected in the U-shaped plate 1 through a left axial clamping column 19 and a right axial clamping column 19.

In order to facilitate the rotation of the clamping column 19, the left end of the clamping column 19 penetrates through the U-shaped plate 1 and is coaxially provided with a rotating column 20.

In order to prevent the patient from being pinched, an elastic cloth 21 is arranged between the front supporting block 2 and the rear supporting block 3.

When the utility model is used, the U-shaped plate 1 is placed on a patient bed, the rotating handle 16 is rotated clockwise, the rotating handle 16 drives the rotating shaft 15 to rotate clockwise, the rotating shaft 15 drives the gear 9 to rotate clockwise, the gear 9 drives the rack 7 to slide backwards in the U-shaped plate 1, the rack 7 drives the rear supporting block 3 to swing upwards around the hinge point through the swing rod 8, meanwhile, the rotating shaft 15 drives the ratchet wheel 17 to rotate clockwise, the ratchets on the ratchet wheel 17 drive the lower end of the pawl 18 to swing upwards, the ratchet wheel 17 is disengaged from the pawl 18 after swinging for a certain angle, the ratchet wheel 17 continues to rotate clockwise, at the moment, the pawl 18 swings downwards due to gravity and is clamped between two adjacent teeth of the ratchet wheel 17 again to prevent the ratchet wheel 17 from rotating anticlockwise, the rotation of the rotating handle 16 is stopped when the rear supporting block 3 swings upwards to a proper physiological angle, and at the moment, due to the limiting reason of the pawl 18 to the ratchet wheel 17, the rear supporting block 3 cannot swing downwards due to gravity;

the small arm is placed on the arc-shaped surface of the front supporting block 2 with the palm of the hand of the patient facing upwards, the upper arm is placed on the arc-shaped surface of the rear supporting block 3, the elbow is placed on the elastic cloth 21, the arc-shaped plate 4 swings rightwards, the clamping hook 12 is inserted into the rectangular groove 10 and clamped on the clamping plate 11 after swinging for a certain angle, the limitation on the arc-shaped plate 4 is realized, the buffer plate 6 is in contact with the upper limb of the patient and extrudes the upper limb of the patient downwards, and the plurality of springs 5 can prevent the buffer plate 6 from excessively extruding the upper limb of the patient and limit the upper limb of;

medical personnel carry out the radial artery puncture dialysis to the patient this moment, because patient's upper limbs are spacing, can not cause the needle of taking off because of patient's arm removes at the dialysis in-process, puncture the blood vessel, after the dialysis, pull rod 14 is pulled to the right, pull rod 14 drives cardboard 11 through cylinder 13 and moves right in rectangular channel 10, remove the spacing to pothook 12, upwards rotate arc 4, remove the fixed to patient's upper limbs, anticlockwise rotation rotary column 20, rotary column 20 drives 18 anticlockwise rotations of pawl through calorie post 19, remove the spacing to ratchet 17, this moment because of gravity reason, back bracer 3 swings to initial position downwards.

Claims

1. A blood purification puncture upper limb fixing device comprises a U-shaped plate (1) with an upward opening in the front-back direction, and is characterized in that a front supporting block (2) in the front-back direction is arranged in the U-shaped plate (1), a rear supporting block (3) which is positioned behind the front supporting block (2) and in the front-back direction is hinged in the U-shaped plate (1), the upper end faces of the front supporting block (2) and the rear supporting block (3) are respectively a concave arc-shaped face, the left ends of the front supporting block (2) and the rear supporting block (3) are respectively hinged with an arc-shaped plate (4) with a left-right direction and a downward opening, a buffer plate (6) with the same shape as the arc-shaped plate is arranged in the arc-shaped plate (4) through a plurality of springs (5), a rack (7) in the front-back direction is slidably connected to the lower side wall of the U-shaped plate (1), the rear end of the rack (7) is hinged with the rear supporting, the gear (9) is meshed with the rack (7) and can rotate.

2. The blood purification puncture upper limb fixing device according to claim 1, wherein the right ends of the front supporting block (2) and the rear supporting block (3) are respectively provided with a rectangular groove (10) with an upward opening, the right side wall of the rectangular groove (10) is provided with a clamping plate (11) in the vertical direction, the free end of the arc plate (4) is provided with a clamping hook (12) which can be clamped on the clamping plate (11) in the corresponding side, the right ends of the front supporting block (2) and the rear supporting block (3) are respectively provided with a round hole which is in the left-right axial direction and is communicated with the rectangular groove (10) in the corresponding side, the lower end of the clamping plate (11) is provided with a cylinder (13) in the left-right axial direction, and the right end of the cylinder (13) extends out of the round hole in.

3. The blood purification puncture upper limb fixing device as claimed in claim 1, wherein the left end of the gear (9) is coaxially provided with a rotating shaft (15), the left end of the rotating shaft (15) penetrates through the U-shaped plate (1) and is rotatably connected with the U-shaped plate (1), and the left end of the rotating shaft (15) is provided with a rotating handle (16).

4. A blood purification puncture upper limb fixing device as claimed in claim 3, wherein the rotating shaft (15) is coaxially provided with a ratchet wheel (17) positioned in the U-shaped plate (1), and the U-shaped plate (1) is rotatably connected with a pawl (18) which is positioned above the ratchet wheel (17) and is meshed with the ratchet wheel (17) through a left-right axial clamping column (19).

5. A blood purification puncture upper limb fixing device as claimed in claim 4, wherein the left end of the clamping column (19) penetrates through the U-shaped plate (1) and is coaxially provided with a rotating column (20).

6. A blood purification puncture upper limb fixing device according to claim 1, wherein an elastic cloth (21) is arranged between the front supporting block (2) and the rear supporting block (3).