CN212789297U

CN212789297U - Safe infusion fixing device

Info

Publication number: CN212789297U
Application number: CN202020304269.XU
Authority: CN
Inventors: 付娜; 田敏; 危哲
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2021-03-26
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a safe infusion fixing device, including fixed arm lock and activity arm lock, the activity arm lock is articulated with fixed arm lock through first pivot, and the one end that fixed arm lock was kept away from in the activity arm lock is provided with telescopic extension arm, the one end that movable arm lock was kept away from to the extension arm is provided with the hand rest, wherein, be provided with the upper arm fixed knot who is used for fixed patient infusion side upper arm in the fixed arm lock and construct, be provided with the underarm fixed knot who is used for fixed patient infusion side lower arm in the activity arm lock and construct, be provided with the wrist fixed knot who is used for fixed patient infusion side wrist on the hand rest and construct, still be provided with limit structure between activity arm. An object of the utility model is to provide a can keep patient's infusion side arm at safe, comfortable functional position when the patient is like the lavatory or the activity of getting off the bed to avoid the transfusion system to return blood and block up the safe infusion fixing device that returns blood, transfusion position drumhead swelling and transfusion system drop.

Description

Safe infusion fixing device

Technical Field

The utility model belongs to the technical field of medical supplies, concretely relates to safe infusion fixing device.

Background

Intravenous infusion is the most common method in clinical treatment, when infusion is performed, a medical worker usually hangs an infusion bottle or an infusion bag filled with liquid medicine upside down on the infusion support, a patient lies on a hospital bed or leans on a chair to perform infusion, and when the patient needs to go to the toilet or get out of the bed, the situation that the blood returns of the infusion set, the infusion position is swollen and even falls off often occurs due to the fact that the arm of the patient moves too much.

Although some transfusion devices assisting patients in going to toilet or getting out of bed are disclosed in the prior art, such as a transfusion bracket which is disclosed in Chinese utility model patent CN2875461Y and a transfusion device which is convenient for patients to carry by themselves, as disclosed in Chinese utility model patent CN202342582U, the waist or the armpit of the patient is fixed with the movable transfusion bracket hung with a transfusion device, and the arm at the transfusion side of the patient cannot be kept at a functional position for safe transfusion. Therefore, when a patient uses the device to go to the toilet or get out of bed for activity, the hidden troubles of back blood blockage of the infusion apparatus, swelling of the needle at the infusion position and falling of the infusion apparatus still exist.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a can keep patient's infusion side arm at safe, comfortable functional position when the patient is like the lavatory or the activity of getting off the bed to avoid the transfusion system to return blood and block up the safe infusion fixing device that returns blood, transfusion position drum needle swelling and transfusion system drop, aim at solving the technical problem that the background introduction explains.

The utility model provides a safe infusion fixing device, its key lies in, including fixed arm lock and activity arm lock, the activity arm lock through first pivot with fixed arm lock is articulated, just the activity arm lock is kept away from the one end of fixed arm lock is provided with telescopic extension arm, the extension arm is kept away from the one end of activity arm lock is provided with the hand rest, wherein, be provided with the upper arm fixed knot who is used for fixed patient's infusion side upper arm in the fixed arm lock and construct, be provided with the underarm fixed knot who is used for fixed patient's infusion side lower arm in the activity arm lock and construct, be provided with the wrist fixed knot who is used for fixed patient's infusion side wrist in the hand rest and construct, the activity arm lock with still be provided with between the fixed arm lock and be used for injecing the activity arm lock with the.

Preferably, first pivot is two, and sets up relatively both sides around the activity arm lock, limit structure includes fixed connection and is arbitrary ratchet on the first pivot, the ratchet with first pivot coaxial setting, and can follow the synchronous rotation of activity arm lock, it still is provided with brake switch to correspond the ratchet.

Preferably, brake switch is including fixed setting up circular shell chamber on the fixed arm lock, the shell chamber is located the ratchet with between the fixed arm lock, and its axle center sets up the through-hole that supplies first pivot to pass, is close to the ratchet is provided with rather than complex braking pawl, braking pawl through have torsion spring the second pivot with the inner chamber wall in shell chamber is articulated, and its end still is provided with the action bars, the spacing groove has still been seted up to the lateral wall in shell chamber, the action bars passes the spacing groove outwards extends, under the natural state that no external force intervenes, braking pawl supports and holds the edge of ratchet.

Preferably, one end of the operating rod, which is far away from the braking pawl, is also provided with a shifting piece.

Preferably, the hand rest is the bar, includes wrist fixed area, back support district and forestock district in proper order from patient's wrist to finger, back support district with wrist fixed area smooth transition, the forestock district with back support district smooth transition, just the back support district with the terminal surface in forestock district is outside bellied circular arc curved surface.

Preferably, the hand rest is of a hollow structure, a heat preservation cavity capable of containing warm water is formed in the hand rest, a liquid adding pipe communicated with the heat preservation cavity is further arranged on the hand rest, and a sealing cover covers an inlet of the liquid adding pipe.

Preferably, a first air bag cushion is arranged inside the fixed clamping arm.

Preferably, a second airbag cushion is arranged inside the movable clamping arm.

Preferably, the bottom of the movable clamping arm is provided with a sliding groove with an extended length, and the extended arm is in sliding connection with the sliding groove and is at least partially positioned in the sliding groove.

Preferably, the upper arm fixing structure, the lower arm fixing structure and the wrist fixing structure are all straps.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

(1) the upper arm of the patient is fixed in the fixed clamping arm through the upper arm fixing structure, the lower arm of the patient is fixed in the movable clamping arm through the lower arm fixing structure, the wrist fixing structure fixes the wrist of the patient on the hand rest, the limit structure adjusts the relative included angle between the movable clamping arm and the fixed clamping arm, when a patient goes to toilet or gets out of bed, the upper arm and the lower arm on the transfusion side of the patient can keep a relative included angle of about 90 degrees, thereby the arm at the transfusion side of the patient is maintained at a safe and comfortable functional position, the condition that the transfusion position is swollen and the needle is even dropped off caused by the movement of the arm and the wrist of the patient is effectively prevented, meanwhile, the blood return blockage of the transfusion device caused by the drooping of the arm at the transfusion side when the patient walks can be avoided, in addition, by the arrangement of the structure, in a long infusion treatment time, a patient can flexibly get out of the bed to move, so that the probability of complications such as pressure sores is effectively reduced;

(2) through setting up telescopic extension arm, when the patient used, can adjust the length of extension arm in a flexible way according to patient's arm length to make whole safe infusion fixing device's length and patient's arm length adaptation, consequently can adapt to the patient of different arm lengths, have better flexibility and commonality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic view of the whole structure of a safety transfusion fixing device of the present invention;

FIG. 2 is a schematic view of the internal structure of a safety transfusion fix device of the present invention;

FIG. 3 is an enlarged schematic view of position A;

FIG. 4 is an enlarged schematic view of position B;

wherein, 1-fixed clamping arm, 2-movable clamping arm, 3-first rotating shaft, 4-extension arm, 5-hand support, 6-upper arm fixing structure, 7-lower arm fixing structure, 8-wrist fixing structure, 9-limit structure, 10-ratchet wheel, 11-brake switch, 12-shell cavity, 13-brake pawl, 14-second rotating shaft, 15-operating rod, 16-limit groove, 17-plectrum, 18-wrist fixing area, 19-rear support area, 20-front support area, 21-liquid feeding pipe, 22-sealing cover, 23-first air bag cushion and 24-second air bag cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in figures 1 to 4, the utility model provides a safe transfusion fixing device, which is characterized in that the device comprises a fixed clamping arm 1 and a movable clamping arm 2, the movable clamping arm 2 is hinged with the fixed clamping arm 1 through a first rotating shaft 3, and one end of the movable clamping arm 2 far away from the fixed clamping arm 1 is provided with a telescopic extension arm 4, one end of the extension arm 4 far away from the movable clamping arm 2 is provided with a hand rest 5, wherein the fixed clamping arm 1 is provided with an upper arm fixing structure 6 for fixing the upper arm at the infusion side of a patient, a lower arm fixing structure 7 for fixing the lower arm of the transfusion side of the patient is arranged on the movable clamping arm 2, the wrist fixing structure 8 for fixing the wrist of the transfusion side of the patient is arranged on the hand support 5, and the limiting structure 9 for limiting the relative included angle between the movable clamping arm 2 and the fixed clamping arm 1 is further arranged between the movable clamping arm 2 and the fixed clamping arm 1.

In this embodiment, compared with the prior art, this safe infusion fixing device's beneficial effect does:

1. the upper arm of a patient is fixed in the fixed clamping arm 1 through the upper arm fixing structure 6, the lower arm of the patient is fixed in the movable clamping arm 2 through the lower arm fixing structure 7, the wrist of the patient is fixed on the hand support 5 through the wrist fixing structure 8, and the relative included angle between the movable clamping arm 2 and the fixed clamping arm 1 is adjusted through the limiting structure 9, when the patient goes to the toilet or gets out of bed to move, the upper arm and the lower arm on the transfusion side of the patient can be kept at the relative included angle of about 90 degrees, so that the arm on the transfusion side of the patient is kept at a safe and comfortable functional position, the condition that a transfusion position swells and a bulging needle even falls off due to the action of the arm and the wrist of the patient is effectively prevented, and the blood return blockage of a transfusion device caused by the dropping of the arm on the transfusion side when the patient walks can be avoided, in addition, through the arrangement, the patient, thereby effectively reducing the occurrence probability of complications such as pressure sores and the like;

2. through setting up telescopic extension arm 4, when the patient used, can adjust the length of extension arm 4 according to patient's arm length is nimble to make whole safe infusion fixing device's length and patient's arm length adaptation, consequently can adapt to the patient of different arm lengths, have better flexibility and commonality.

Specifically, first pivot 3 is two, and sets up relatively both sides around the activity arm lock 2, limit structure 9 includes fixed connection and is arbitrary ratchet 10 in the first pivot 3, ratchet 10 with the coaxial setting of first pivot 3, and can follow activity arm lock 2 synchronous rotation, correspond ratchet 10 still is provided with brake switch 11.

Specifically, brake switch 11 is including fixed setting up circular shell chamber 12 on the fixed arm lock 1, shell chamber 12 is located ratchet 10 with between the fixed arm lock 1, and the through-hole that supplies first pivot 3 to pass is seted up at its axle center, is close to ratchet 10 is provided with rather than complex brake pawl 13, brake pawl 13 through have torsion spring second pivot 14 with the inner chamber wall of shell chamber 12 is articulated, and its end still is provided with action bars 15, spacing groove 16 has still been seted up to the lateral wall of shell chamber 12, action bars 15 passes spacing groove 16 outwards extends, under the natural state that no external force intervenes, brake pawl 13 supports and holds the edge of ratchet 10.

Specifically, a shifting piece 17 is further disposed at one end of the operating rod 15 away from the braking pawl 13.

In this embodiment, when the patient rotates the movable clamping arm 2 to reduce the included angle between the movable clamping arm 2 and the fixed clamping arm 1, under the action of the first rotating shaft 3, the ratchet 10 rotates synchronously therewith, and at this time, the braking pawl 13 moves along the back of the pawl distributed at the edge of the ratchet 10, so that the included angle between the movable clamping arm 2 and the fixed clamping arm 1 can be reduced by the patient through the action of the lower arm relative to the upper arm without toggling the plectrum 17, when the included angle between the movable clamping arm 2 and the fixed clamping arm 1 is reduced to an adaptive angle, because the braking pawl 13 abuts between two adjacent pawls at the edge of the ratchet 10 at this time, the operating rod 15 with the plectrum 17 abuts against the groove wall of the limiting groove 16, so that the ratchet 10 can only rotate counterclockwise and cannot rotate clockwise, and even under the condition of receiving an external force, the included angle between the movable clamping arm 2 and the fixed clamping arm 1 cannot be increased, thereby keep patient's infusion side arm at a safe comfortable functional position, and when the patient need increase the contained angle between activity arm lock 2 and the fixed arm lock 1, the accessible is stirred plectrum 17 and is made the ratchet 10 that drops of brake pawl 13, and ratchet 10 can rotate clockwise this moment, consequently can increase the relative contained angle of activity arm lock 2 and fixed arm lock 1.

Specifically, the hand rest 5 is the bar, includes wrist fixed area 18, back support district 19 and forestock district 20 from patient's wrist to finger in proper order, back support district 19 with wrist fixed area 18 smooth transition, forestock district 20 with back support district 19 smooth transition, just back support district 19 with the terminal surface of forestock district 20 is outside bellied circular arc curved surface.

In this embodiment, the cooperation of the back support area 19 and the front support area 20 can arch the back of the hand of the patient to a small extent, thereby avoiding the swelling of the infusion site, reducing the pain of the patient and making the patient feel more comfortable.

Further, the hand rest 5 is of a hollow structure, a heat preservation cavity capable of containing warm water is formed in the hand rest 5, a liquid adding pipe 21 communicated with the heat preservation cavity is further arranged on the hand rest 5, and a sealing cover 22 covers an inlet of the liquid adding pipe 21.

In the embodiment, warm water can be injected into the heat preservation cavity in the hand rest 5 through the liquid feeding pipe 21 to provide heat for the hands of the patient, so that the patient feels more comfortable and the hands of the patient are prevented from being cooled.

Further, a first airbag cushion 23 is disposed inside the fixed clamp arm 1.

Further, a second airbag cushion 24 is arranged inside the movable clamping arm 2.

In this embodiment, the first and

second airbag cushions

23 and 24 can conveniently wrap the upper and lower arms of the patient, thereby reducing the friction between the fixed arm lock 1 and the movable arm lock 2 to the arm of the patient, and making the patient feel more comfortable when wearing the safety transfusion fixing device.

Specifically, the bottom of the movable clamping arm 2 is provided with a sliding groove with an extended delay length, and the extension arm 4 is slidably connected with the sliding groove and at least partially positioned in the sliding groove.

Specifically, the upper arm fixing structure 6, the lower arm fixing structure 7, and the wrist fixing structure 8 are all straps.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The utility model provides a safe infusion fixing device, its characterized in that, including fixed arm lock and activity arm lock, the activity arm lock through first pivot with fixed arm lock is articulated, just the activity arm lock is kept away from the one end of fixed arm lock is provided with telescopic extension arm, the extension arm is kept away from the one end of activity arm lock is provided with the hand rest, wherein, be provided with the upper arm fixed knot who is used for fixed patient infusion side upper arm on the fixed arm lock and construct, be provided with the underarm fixed knot who is used for fixed patient infusion side lower arm on the activity arm lock and construct, be provided with the wrist fixed knot who is used for fixed patient infusion side wrist on the hand rest and construct, the activity arm lock with still be provided with between the fixed arm lock and be used for injecing the activity arm lock with the limit.

2. The safety transfusion fixing device as claimed in claim 1, wherein the first rotating shafts are two and are oppositely disposed at the front and rear sides of the movable clamping arm, the limiting structure comprises a ratchet wheel fixedly connected to any one of the first rotating shafts, the ratchet wheel is coaxially disposed with the first rotating shaft and can rotate synchronously with the movable clamping arm, and a brake switch is disposed corresponding to the ratchet wheel.

3. The safety transfusion fixing device as claimed in claim 2, wherein the brake switch includes a circular housing fixedly disposed on the fixing arm, the housing is disposed between the ratchet and the fixing arm, and has a through hole formed at its axis for the first rotating shaft to pass through, a brake pawl is disposed near the ratchet and is engaged with the ratchet, the brake pawl is hinged to the inner cavity wall of the housing through a second rotating shaft having a torsion spring, and has an operating rod at its end, and a limit groove formed on the side wall of the housing, and the operating rod passes through the limit groove and extends outward.

4. The safety infusion fixture of claim 3, wherein the end of the operating rod remote from the detent pawl is further provided with a paddle.

5. The safety transfusion fixing device as claimed in claim 1, wherein the hand support is in a strip shape and comprises a wrist fixing area, a rear support area and a front support area in sequence from the wrist to the finger of the patient, the rear support area and the wrist fixing area are in smooth transition, the front support area and the rear support area are in smooth transition, and the end surfaces of the rear support area and the front support area are both arc curved surfaces protruding outwards.

6. The safety transfusion fixing device of claim 5, wherein the hand support is a hollow structure, a heat preservation chamber capable of containing warm water is arranged in the hand support, a liquid feeding pipe communicated with the heat preservation chamber is further arranged on the hand support, and a sealing cover covers an inlet of the liquid feeding pipe.

7. The safety infusion fixture of claim 1, wherein a first air bag pad is disposed within the mounting clip arm.

8. The safety infusion fixing device according to claim 7, wherein a second air bag cushion is arranged inside the movable clamping arm.

9. The safety transfusion fixing device of claim 1, wherein the bottom of the movable clamping arm is provided with a chute with an extended length, and the extended arm is slidably connected with the chute and at least partially positioned in the chute.

10. The safety infusion fixture of any one of claims 1-9, wherein said upper arm securing structure, said lower arm securing structure and said wrist securing structure are straps.