CN221411900U

CN221411900U - Prevent exosmosis hand posture fixing device

Info

Publication number: CN221411900U
Application number: CN202420198975.9U
Authority: CN
Inventors: 林小玲; 黄梅丽; 罗旭欣
Original assignee: Sun Yat Sen University Cancer Center
Current assignee: Sun Yat Sen University Cancer Center
Priority date: 2024-01-27
Filing date: 2024-01-27
Publication date: 2024-07-26
Anticipated expiration: 2034-01-27

Abstract

The utility model relates to the field of auxiliary accessories of medical equipment, and particularly discloses an anti-extravasation hand posture fixing device.

Description

Prevent exosmosis hand posture fixing device

Technical Field

The utility model relates to the field of auxiliary accessories of medical equipment, in particular to an anti-extravasation hand posture fixing device.

Background

When CT enhancement scanning is carried out on a tumor patient, an iodine contrast agent is required to be injected into a body in the examination process, the iodine contrast agent is injected into the body through vein high pressure, and the distribution of iodine in the body is utilized to generate contrast or the blood vessels and soft tissues which are not usually seen on an X-ray film are clearly imaged so as to assist doctors to make reliable diagnosis;

The existing iodine contrast agent administration device generally adopts an intravenous needle, the core component parts of the existing iodine contrast agent administration device comprise a hose which can be left in a blood vessel and a stainless steel puncture guide needle core, when the existing iodine contrast agent administration device is used, the hose and the needle core are punctured into the blood vessel together, after the hose completely enters the blood vessel, the needle core is withdrawn, the hose is only left in the blood vessel so as to convey iodine contrast agent when CT enhanced examination is carried out, and the puncture injection part is usually positioned at the position of the back of the hand, the wrist joint part or the blood vessel with obvious palm joint, so that the wrist joint or the palm joint of a patient needs to be bent during injection, the blood vessel is conveniently exposed, and after the puncture is completed, the patient needs to keep a bending gesture when the puncture is continued, so as to avoid the overlarge swing amplitude of the palm, thereby causing the hose punctured at the blood vessel such as the wrist joint or the palm joint to be folded, the instrument automatically controls the remote high-pressure injection of the iodine contrast agent to cause great pressure on the blood vessel wall, if the hose is folded under the condition and the blood vessel is easily broken, the iodine contrast agent is caused to be outwards to subcutaneous tissue, so that the injection part is swollen, painful and inflamed, and the serious and the surrounding tissue is also caused to cause the condition of the peripheral dysfunction;

because tumour patient is generally older, the compliance is not good, and current treatment method for avoiding hose discount relies on staff to put hand posture to the patient before the inspection to announce, makes the patient keep the suitable posture of hand with self consciousness form, but in the inspection process compliance of a lot of patients is not good or because of the mismatch of communication disorder and self reaction of people, the hand still can unconsciously swing and change the posture under a plurality of conditions and thereby lead to hose discount.

The technical problems to be solved by the application are as follows: a hand posture fixing device capable of fixing hand postures well in the checking process and avoiding extravasation events is designed.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model aims to provide the hand posture fixing device which can better fix the hand posture in the checking process and avoid the occurrence of an extravasation event.

The technical scheme adopted by the utility model is as follows: the utility model provides an prevent exosmosis hand posture fixing device, is including the bottom plate that is used for patient's hand to place, and the bottom plate is equipped with a plurality of fixing device that are used for fixed with patient's hand, and fixing device is including the cover to establish on the bottom plate and be used for avoiding its wobbling mounting with patient's hand constraint, thereby the bottom plate still is equipped with the angle modulation device who is used for making the bottom plate bend to make patient's hand joint crooked be convenient for puncture injection with it.

In some embodiments, the base plate includes a first connection plate, a second connection plate having one end rotatably connected to the first connection plate, and a third connection plate having one end rotatably connected to the other end of the second connection plate.

In some embodiments, the angle adjusting device comprises a first adjusting device for enabling the second connecting plate to be bent in a rotating mode and a second adjusting device for enabling the third connecting plate to be bent in a rotating mode and the second connecting plate to be bent in a rotating mode, and the first adjusting device and the second adjusting device are arranged in the same structure.

In some embodiments, a first pin is disposed between the first connecting plate and the second connecting plate, the first connecting plate is fixedly connected with the first pin, the second connecting plate is rotatably connected with the first pin, the first adjusting device comprises a connecting column fixedly connected with the side edge of the second connecting plate, and a torsion spring fixedly installed at one end of the first pin, and one end of the torsion spring is in clamping fit with the connecting column.

In some embodiments, the first adjusting device further comprises a clamping post fixedly connected with one end of the first pin shaft, and the torsion spring is fixedly connected with the first pin shaft through clamping with the clamping post.

In some embodiments, the first adjusting device further comprises a fixed ratchet fixedly connected with the side edge of the second connecting plate and a movable ratchet rotationally connected with the side edge of the first connecting plate, the movable ratchet is provided with a rotating block fixedly connected with the movable ratchet, the rotating block is rotationally connected with the side edge of the first connecting plate, and when the second connecting plate is bent between the second connecting plate and the first connecting plate, the fixed ratchet and the movable ratchet are clamped.

In some embodiments, the clamping column is further provided with an operating rod rotationally connected with the clamping column, the operating rod is provided with a kidney-shaped hole, one side of the rotating block is provided with a limiting column fixedly connected with the rotating block, and the limiting column is in limiting sliding fit with the kidney-shaped hole.

In some embodiments, the first adjusting device further comprises a positioning post disposed on one side of the first connecting plate, and the positioning post is used for abutting against the operating rod when the operating rod rotates downwards so as to limit the rotation angle of the operating rod.

In some embodiments, the fixing device comprises through holes respectively formed in the first connecting plate, the second connecting plate and the third connecting plate, and the fixing piece is sleeved on the bottom plate through limiting with the through holes and is a magic tape.

In some embodiments, the bottom plate is a rubber plate, and the surface of the bottom plate is further sleeved with a leather layer.

The utility model has the following technical effects: through being equipped with angle adjusting device on the bottom plate, utilize angle adjusting device to adjust the bottom plate and bend to make the hand can follow the angle that the bottom plate bent and bend, and then make the blood vessel of hand joint department can show and be convenient for inject, then the hand of reuse mounting with the patient retrain fixedly, thereby can avoid it to take place the swing by a wide margin and lead to the hose to discount, avoid the emergence of extravasation incident, and then effectively improve the security in the treatment.

Drawings

FIG. 1 is a schematic diagram showing a structure of an anti-extravasation hand gesture fixing device of the present utility model when a second connecting plate and a first connecting plate are bent;

FIG. 2 is a schematic diagram showing the structure of the anti-extravasation hand gesture fixing device of the present utility model when the third connecting plate and the second connecting plate are bent;

Fig. 3 is a schematic view of the first adjusting device of fig. 1 at a portion a of the anti-extravasation hand posture fixing device according to the present utility model.

The reference numbers and designations in the figures correspond to the following: 1. a bottom plate; 2. a fixing device; 20. a fixing member; 3. an angle adjusting device; 10. a first connection plate; 11. a second connecting plate; 12. a third connecting plate; 30. a first adjusting device; 32. a second adjusting device; 4. a first pin; 5. a second pin; 301. a connecting column; 302. a torsion spring; 303. a clamping column; 304. a fixed ratchet; 305. a movable ratchet; 306. a rotating block; 307. an operation lever; 308. waist-shaped holes; 309. a limit column; 310. positioning columns; 21. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an anti-extravasation hand posture fixing device, including the bottom plate 1 that is used for patient's hand to place, this bottom plate 1 includes first connecting plate 10, the second connecting plate 11 that one end and first connecting plate 10 rotate to be connected and the third connecting plate 12 that one end and second connecting plate 11 other end rotate to be connected, first connecting plate 10 and second connecting plate 11 and third connecting plate 12 are the rubber slab, and all by the cladding of same layer leather layer, bottom plate 1 is equipped with a plurality of fixing device 2 that are used for fixing patient's hand, fixing device 2 is including the cover establish be used for avoiding its wobbling mounting 20 with patient's hand constraint on bottom plate 1, this mounting 20 is the magic subsides, and fixing device 2 is including locating respectively on first connecting plate 10, second connecting plate 11 and the third connecting plate 12 through-hole 21 equally divide and be located the both sides of bottom plate 1, thereby the magic subsides are established on bottom plate 1 through spacing cover with through-hole 21, when patient's hand is placed on bottom plate 1, thereby the magic subsides each other through with both sides are mutually bound to patient's hand, and then can avoid patient's hand to warp the swing carelessly, thereby the emergence of taking place the hose of taking place the fact and the fact, the extravasation event effectively.

The base plate 1 is also provided with an angle adjusting device 3 fixedly arranged on the base plate 1 for bending the base plate 1 so as to bend the hand joints of a patient and facilitate injection, the angle adjusting device 3 respectively comprises a first adjusting device 30 for bending the second connecting plate 11 and the first connecting plate 10 in a rotating way and a second adjusting device 32 for bending the third connecting plate 12 and the second connecting plate 11 in a rotating way, the first adjusting device 30 and the second adjusting device 32 are arranged in the same structure, a first pin shaft 4 is arranged between the first connecting plate 10 and the second connecting plate 11, a second pin shaft 5 is arranged between the second connecting plate 11 and the third connecting plate 12, the first connecting plate 10 is fixedly connected with the first pin shaft 4, the second connecting plate 11 is rotatably connected with the first pin shaft 4, the second connecting plate 11 is fixedly connected with the second pin shaft 5, the third connecting plate 12 is rotatably connected with the second pin shaft 5, when the hand of the patient is placed on the base plate 1, the rest finger parts except for the thumb of the patient are basically positioned on the third connecting plate 12, the palm part between the finger and the second connecting plate is basically positioned on the second connecting plate 11, the arm part is basically positioned on the first connecting plate 10, that is just positioned on the first connecting plate 10 and the wrist part is just positioned on the wrist joint part of the second connecting plate 11, namely, the palm part is just right positioned on the wrist joint part is positioned on the first connecting plate 11 and is just right at the wrist joint part is connected with the second connecting plate 11.

The first adjusting device 30 comprises a connecting column 301 fixedly connected with the side edge of the second connecting plate 11, a torsion spring 302 fixedly installed at one end of the first pin shaft 4, one end of the torsion spring 302 is in clamping fit with the connecting column 301, the first adjusting device 30 further comprises a fixed ratchet 304 fixedly connected with the side edge of the second connecting plate 11 and a movable ratchet 305 rotationally connected with the side edge of the first connecting plate 10, the movable ratchet 305 is provided with a rotating block 306 fixedly connected with the movable ratchet 305, the rotating block 306 is rotationally connected with the side edge of the first connecting plate 10, when the second connecting plate 11 is bent between the second connecting plate 11 and the first connecting plate 10, a clamping position between the fixed ratchet 304 and the movable ratchet 305 is clamped, the clamping column 303 is further provided with an operating rod 307 rotationally connected with the clamping column, the operating rod 307 is provided with a waist-shaped hole 308, one side of the rotating block 306 is provided with a limiting column 309 fixedly connected with the waist-shaped hole 308, the limiting column 309 is in limiting sliding fit with the waist-shaped hole 308, the first adjusting device 30 further comprises a positioning column 310 arranged at one side of the first connecting plate 10, the positioning post 310 is used for abutting against the operation rod 307 when rotating downwards to limit the rotation angle thereof, if injection is needed at the wrist joint part of a patient, in order to make the blood vessel of the patient more exposed, the operation rod 307 is lifted upwards, the limiting post 309 slides to the lower end of the kidney-shaped hole 308, at this time, the rotating block 306 rotates to separate the movable ratchet 305 from the fixed ratchet 304 due to the sliding of the limiting post 309, at this time, the second connecting plate 11 is pressed downwards by hand to cause angular bending between the second connecting plate and the first connecting plate 10, then the operation rod 307 is released to rotate the operation rod 307 downwards until abutting against the positioning post 310, the limiting post 309 slides to the upper end of the kidney-shaped hole 308, at this time, the rotating block 306 rotates towards the fixed ratchet 304 due to the sliding of the limiting post 309 to the rotating block 306 again to the direction of the fixed ratchet 304 to clamp the movable ratchet 305 with the fixed ratchet 304, at this time, the movable ratchet 305 is fixed and can not rotate due to the clamping position of the limiting post 309 and the kidney-shaped hole 308, and the fixed ratchet 304 is fixedly arranged on the side edge of the second connecting plate 11, so that the teeth between the movable ratchet 305 and the fixed ratchet 304 are mutually clamped, the second connecting plate 11 keeps the current angle and is bent with the first connecting plate 10, and the fingers and the arm parts of the patient are restrained by the magic tape and can not swing, so that the wrist joint part of the patient is bent, thereby the blood vessel is more exposed and convenient for puncture injection, and after the puncture is finished, the patient can keep the current wrist bending posture due to the bending between the first connecting plate 10 and the second connecting plate 11 and the restraint of the magic tape, and the hand of the patient is inconvenient to swing greatly, so that the occurrence of an extravasation event can be effectively avoided.

When the second connecting plate 11 and the first connecting plate 10 need to be reset and not bent, the operating rod 307 only needs to be lifted upwards again to separate the movable ratchet 305 from the fixed ratchet 304, and at this time, due to the elastic retraction of the torsion spring 302, one end of the torsion spring 302 drives the connecting post 301 to retract so as to lift the second connecting plate 11 and reset the second connecting plate 11, so that the second connecting plate 11 and the first connecting plate 10 keep the same plane.

If the puncture injection is required to be performed on the palm joint portion of the patient, the second connecting plate 11 and the first connecting plate 10 are kept on the same plane, and the third connecting plate 12 and the second connecting plate 11 are bent and fixed, and the first adjusting device 30 and the second adjusting device 32 are arranged in the same structure, so that the principle of bending between the third connecting plate 12 and the second connecting plate 11 is the same as the principle of bending between the second connecting plate 11 and the first connecting plate 10, and therefore, the description thereof will not be repeated here.

The working principle or the beneficial effects of the utility model are as follows: through being equipped with angle adjusting device 3 on bottom plate 1, utilize angle adjusting device 3 can adjust bottom plate 1 to bending to make the hand can follow the angle that bottom plate 1 bent and bend, and then make the blood vessel of hand joint department can reveal and be convenient for puncture injection, then the hand of reuse mounting 20 with the patient retrain fixedly, thereby can avoid it to take place the swing by a wide margin and lead to the hose to discount, avoid the emergence of extravasation incident, and then effectively improve the security in the treatment.

Finally, it should be noted that the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the foregoing embodiments, but may be modified or substituted for some of the features described in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an anti-extravasation hand posture fixing device, is including being used for bottom plate (1) that patient's hand was placed, its characterized in that, bottom plate (1) are equipped with a plurality of fixing device (2) that are used for fixing patient's hand, fixing device (2) are including the cover to be established on bottom plate (1) be used for restricting patient's hand and avoid its wobbling mounting (20), bottom plate (1) still are equipped with thereby with fixed mounting be used for making bottom plate (1) bend thereby make patient's hand joint crooked angle adjusting device (3) of being convenient for puncture injection.

2. The anti-extravasation hand gesture fixation device according to claim 1, wherein the base plate (1) comprises a first connection plate (10), a second connection plate (11) with one end rotatably connected to the first connection plate (10), and a third connection plate (12) with one end rotatably connected to the other end of the second connection plate (11).

3. The anti-extravasation hand gesture fixation device according to claim 2, wherein the angle adjustment device (3) comprises a first adjustment device (30) for rotating and bending between the second connection plate (11) and the first connection plate (10) and a second adjustment device (32) for rotating and bending between the third connection plate (12) and the second connection plate (11), and the first adjustment device (30) and the second adjustment device (32) are arranged in the same structure.

4. An anti-extravasation hand gesture fixing device according to claim 3, characterized in that a first pin shaft (4) is arranged between the first connecting plate (10) and the second connecting plate (11), the first connecting plate (10) is fixedly connected with the first pin shaft (4), the second connecting plate (11) is rotationally connected with the first pin shaft (4), the first adjusting device (30) comprises a connecting column (301) fixedly connected with the side edge of the second connecting plate (11), and a torsion spring (302) fixedly installed at one end of the first pin shaft (4), and one end of the torsion spring (302) is in clamping fit with the connecting column (301).

5. The anti-extravasation hand gesture fixation device according to claim 4, wherein the first adjustment device (30) further comprises a clamping post (303) fixedly connected to one end of the first pin shaft (4), and the torsion spring (302) is fixedly connected to the first pin shaft (4) by being clamped and fixed to the clamping post (303).

6. The anti-extravasation hand gesture fixing device according to claim 5, wherein the first adjusting device (30) further comprises a fixed ratchet wheel (304) fixedly connected with the side edge of the second connecting plate (11) and a movable ratchet wheel (305) rotatably connected with the side edge of the first connecting plate (10), the movable ratchet wheel (305) is provided with a rotating block (306) fixedly connected with the movable ratchet wheel, the rotating block (306) is rotatably connected with the side edge of the first connecting plate (10), and a clamping position is formed between the fixed ratchet wheel (304) and the movable ratchet wheel (305) when the second connecting plate (11) and the first connecting plate (10) are bent.

7. The anti-extravasation hand gesture fixing device according to claim 6, wherein the clamping column (303) is further provided with an operation rod (307) rotatably connected with the clamping column, the operation rod (307) is provided with a kidney-shaped hole (308), one side of the rotating block (306) is provided with a limiting column (309) fixedly connected with the rotating block, and the limiting column (309) is in limiting sliding fit with the kidney-shaped hole (308).

8. The anti-extravasation hand gesture fixation device according to claim 7, wherein the first adjustment means (30) further comprises a positioning post (310) provided at one side of the first connection plate (10), the positioning post (310) being adapted to abut against the lever (307) when it is rotated downwards, thereby limiting the rotation angle thereof.

9. The anti-extravasation hand gesture fixing device according to claim 1, wherein the fixing device (2) comprises through holes (21) respectively arranged on the first connecting plate (10), the second connecting plate (11) and the third connecting plate (12), the fixing piece (20) is sleeved on the bottom plate (1) through limiting with the through holes (21), and the fixing piece (20) is a magic tape.

10. The anti-extravasation hand gesture fixing device according to claim 1, wherein the bottom plate (1) is a rubber plate, and the surface of the bottom plate (1) is further sleeved with a leather layer.