CN108704193B - A fixed device for infusion - Google Patents

Abstract

The invention relates to the field of medical equipment, and discloses a fixing device for infusion, comprising a semi-cylindrical fixing plate, the fixing plate is movably connected with a movable plate, the movable plate comprises a supporting plate and matching plates located on both sides of the supporting plate, the supporting plate and An adjustment mechanism for adjusting the distance between the supporting plate and the matching plate is connected between the two matching plates; a rotating nut is rotatably connected to one side of the matching plate, and a threaded belt is also fixed on the matching plate, and the threaded belt goes around the support in turn The plate and the fixing plate are intermittently threaded with the rotating nut, and the fixing plate is made of transparent material. The device solves the problems of poor fixing effect of the existing bandages and difficulty in observing the infusion site.

Description

A fixed device for infusion

technical field

The invention relates to the field of medical devices, in particular to a fixing device for infusion.

Background technique

As we all know, intravenous infusion is a fast and effective drug delivery method widely used in clinical practice in my country, which can deliver drugs into the blood in a short time to achieve the purpose of rapid treatment. At present, various infusion pipelines in clinical practice are not only short-term or long-term, but most of the puncture points are fixed by a transparent applicator. This type of fixation has a small area and limited fixed parts. When the needle is bent and moved, it is easy to slip the needle, resulting in swelling of the infusion site. Therefore, effective fixation is the key to ensure the smooth progress of intravenous infusion.

At present, in clinical intravenous infusion, the infusion needle is fixed on the arm with tape, and the patient's arm joint is fixed with an elastic bandage, but the gauze bandage has poor elasticity, and if it is wrapped too tightly, the liquid will not drip. If it is loose, the fixation effect is poor, and it is inconvenient to observe the infusion site. The patient is often wet and infected when in contact with water, causing great inconvenience to the patient. Moreover, the latest version of the INS guideline updated "Practice Standards for Infusion Therapy" clearly pointed out that it is forbidden to use bandages to fix the arm joints during the infusion process. Therefore, it is important to provide a fixation device for infusion to fix the patient's arm. meaning.

SUMMARY OF THE INVENTION

The present invention is intended to provide a fixing device for infusion, so as to solve the problems of poor fixing effect of the existing bandages and difficulty in observing the infusion site.

In order to achieve the above object, the technical scheme of the present invention is as follows: a fixing device for infusion, comprising a semi-cylindrical fixing plate, the fixed plate is movably connected with a movable plate, and the movable plate includes a supporting plate and a matching plate located on both sides of the supporting plate, An adjusting mechanism for adjusting the distance between the supporting plate and the matching plates is connected between the supporting plate and the two matching plates; a rotating nut is rotatably connected to one side of the matching plate, and the matching plate is also fixed with a threaded belt, and the threaded belts are in turn It bypasses the support plate and the fixing plate and is intermittently threaded with the rotating nut, and the fixing plate is made of transparent material.

Adopting the above technical solution is a fixing device for infusion. In practical application, the semi-cylindrical fixing plate and the movable plate can be enclosed into a cylindrical shape, which is used to fix the patient's arm during infusion, avoid elbow bending, support the plate and cooperate with The plates cooperate with each other to form a movable plate. The distance between the supporting plate and the matching plate can be adjusted through the adjustment mechanism, that is, the overall width of the movable plate can be adjusted, and then the diameter of the cylinder enclosed by the movable plate and the fixed plate can be adjusted, so that the The device can be applied to arms of different diameters, and has a wide range of applications. The rotating nut and threaded belt play the role of fixing the movable plate and the fixed plate, so that the movable plate and the fixed plate are integrated into a whole, and the patient's arm can be stably fixed. By rotating the rotating nut , so that the rotating nut moves along the length direction of the threaded belt, thereby achieving the function of adjusting the threaded belt, so that the threaded belt can stably fix the fixed plate and the adjusted movable plate. The fixing plate is made of transparent material, which can facilitate the observation of the infusion port of the patient's arm.

The beneficial effects of this technical solution are:

1. The device can fix the elbow of the patient during infusion through the fixed plate and the movable plate, which can be surrounded by a cylindrical fixing mechanism, so as to avoid bending the elbow. The use of bandages in the prior art makes the fixation more stable.

2. The device can realize the adjustment of the distance between the support plate and the matching plate through the adjustment mechanism, and then realize the adjustment of the width of the movable plate, so that the diameter of the cylinder enclosed by the movable plate and the fixed plate can be adjusted. It can be applied to arms of different diameters and has a wide range of use.

3. The device can adjust the length of the threaded belt by rotating the rotating nut, and fix the fixed plate and the movable plate through the threaded belt, which further enhances the stability of the patient's arm fixation.

4. The device sets the fixing plate to be transparent, which can facilitate medical staff to observe the infusion port of the patient's arm at any time, and reduce the safety hazards such as infection of the infusion port caused by insufficient observation of the infusion port.

Further, the adjustment mechanism includes a first chute and a second chute respectively located at the upper and lower parts of the support plate, the middle of the two matching plates is provided with a vertical third chute, the first chute, the second chute and Slide blocks are slidably connected in the third chute, connecting rods are hinged between two adjacent blocks, and the four connecting rods form a diamond-shaped frame; A rotating shaft is rotatably connected, a torsion spring is fixed between the rotating shaft and the winding drum, the middle part of the threaded belt is wound on the rotating shaft, and one end of the threaded belt passes through a side wall of the winding drum and is fixed on the slide away from the fixed plate. On the block, the other end of the threaded belt passes through the other side wall of the winding drum and is slidably connected to the slider near the fixing plate.

The first chute, the second chute and the third chute respectively provide tracks for the sliding block. In the initial state, the support plate and the two matching When the thicker arm is fixed, pull the threaded belt so that the middle part of the threaded belt falls off the shaft and extends to both ends of the rotating shaft, so that one end of the threaded belt pushes the slider located in the third chute, thereby making the adjacent two The angle between the connecting rods is reduced, so that the width of the diamond frame is increased, which in turn increases the distance between the support plate and the two matching plates, so as to achieve the purpose of adjusting the movable plate as a whole, so that the circle formed by the movable plate and the fixed plate is increased. The diameter of the barrel is increased, so that the device is suitable for the fixation of relatively thick arms, and the scope of application of the device is increased.

Further, the side edge of the matching plate away from the supporting plate is inclined from top to bottom toward the direction close to the supporting plate. The matching plate is arranged in this way, so that when the supporting plate and the matching plate form a cylinder with the fixing plate, the cylinder has a structure of upper thickness and lower thickness, which is closer to the structure of the human arm, so that the device is more suitable for the arm to be fixed, enhancing the The immobilization effect of the device on the arm.

Further, an operation port is provided on the fixing plate, a transparent cover plate is movably connected to the side of the operation port, and an infusion fixing pipe is movably connected to the lower part of the operation port, and the infusion fixing pipe is provided with an opening along the axial direction of the infusion fixing pipe. The operation port is convenient for medical staff to deal with the infusion port at any time. When changing the liquid medicine temporarily, there is no need to disassemble the entire fixing device. The operation is convenient, and the transparent cover plays a role of protection and isolation. Water contact, on the other hand, can isolate external pollution; the infusion fixed tube plays the role of fixing the infusion tube, the opening on the side of the infusion fixed tube is convenient for the insertion or removal of the infusion tube, the structure is simple, and the operation is convenient.

Further, both sides of the support plate are fixedly connected with ventilation pipes, the side walls of the ventilation pipes are provided with a plurality of ventilation holes, the fixed plate is fixed with a vortex pipe, and the vortex pipe is provided with an air inlet, and the vortex pipe is provided on the vortex pipe. The air inlet of the vortex tube is communicated with an air source, the hot air outlet pipe of the vortex tube is communicated with the infusion fixed tube, and the cold air outlet tube of the vortex tube is communicated with the ventilation tube. The vortex tube plays the role of ventilation. After the gas enters the vortex tube, a part of the gas flows into the ventilation tube along the cold air outlet, and is blown out from the ventilation holes on the side of the ventilation tube, which can blow the fixed arm. Cool the patient's arm to prevent the patient's arm from being overheated and sweating to affect the fixation effect. On the other hand, the blown wind can also speed up the evaporation of sweat that has already appeared on the patient's arm, so as to avoid the presence of sweat in the arm and affect the patient's comfort; A part of the gas will flow into the infusion fixed pipe along the hot air outlet pipe to heat the infusion pipe in the infusion fixed pipe, that is, the liquid medicine in the infusion pipe is kept warm to prevent the liquid medicine from being too cold.

Further, an auxiliary plate is fixedly connected to the bottom of the support plate, a positioning cylinder is movably connected to the auxiliary plate, and a plurality of positioning rings are arranged on the lower part of the auxiliary plate. The auxiliary plate plays the role of assisting the fixation of the patient's arm, wherein the positioning cylinder fixes the patient's wrist, and the positioning ring fixes the position of the patient's fingers, which further ensures the fixation effect of the patient's arm during infusion.

Further, the contact surfaces of the support plate, the matching plate and the arm are all arc surfaces that can fit with the arm. The supporting plate and the matching plate are arranged in this way to further increase the fit with the arm and further enhance the fixation effect on the arm. At the same time, the curved surface design can increase the comfort of the patient's arm during fixation compared with the flat design.

Description of drawings

Fig. 1 is the front view of a kind of fixing device for infusion in the embodiment of the present invention;

FIG. 2 is a rear view of a fixing device for infusion according to an embodiment of the present invention.

Detailed ways

The following is further described in detail by specific embodiments:

The reference signs in the accompanying drawings include: fixed plate 1, support plate 2, matching plate 3, rotating nut 4, threaded belt 5, first chute 6, second chute 7, third chute 8, slider 9. Connecting rod 10, winding drum 11, rotating shaft 12, operation port 13, infusion fixing tube 14, ventilation tube 15, ventilation hole 16, vortex tube 17, auxiliary plate 18, positioning cylinder 19, positioning ring 20.

The embodiment is basically as shown in Figure 1: a fixing device for infusion, comprising a semi-cylindrical fixing plate 1, the fixing plate 1 is made of transparent rigid plastic, the fixing plate 1 is provided with an operation port 13, and the operation port 13 A transparent cover plate is rotatably connected to the side of the transparent cover plate, and the transparent cover plate is semi-cylindrical, so that when the transparent cover plate covers the operation port 13, a certain gap is left for the patient's infusion port to avoid compressing the infusion port. The lower part of the operation port 13 is movably connected with an infusion fixing tube 14 . The fixed plate 1 is connected with a connecting strip through an elastic band, and the right end of the connecting strip is connected with a movable plate through hinge rotation. The movable plate includes a supporting plate 2 and a matching plate 3 located on the left and right sides of the supporting plate 2. One side of the plate 2 is inclined from top to bottom to the direction close to the support plate 2, and the contact surfaces of the support plate 2, the matching plate 3 and the arm are all arc surfaces that can fit with the arm, so the setting can increase the support Plate 2 and the fit between plate 3 and the arm.

Both sides of the support plate 2 are fixedly connected with ventilation pipes 15 , and four ventilation holes 16 are provided on the side walls of the ventilation pipes 15 . A vortex tube 17 (Shanghai Jiya Electromechanical Mould Technology Co., Ltd.; model: VC62002) is bonded on the fixed plate 1, and an air inlet is provided on the vortex tube 17, and the air inlet of the vortex tube 17 is connected with an air source. This embodiment When the air source is the air outlet of the air conditioner in the infusion room where the patient is infusion, the hot air outlet of the vortex tube 17 communicates with the infusion fixed tube 14 , and the cold air outlet of the vortex tube 17 communicates with the ventilation tube 15 . The bottom of the support plate 2 is fixed with an auxiliary plate 18, the auxiliary plate 18 is connected with a positioning cylinder 19 through the hinge rotation, and the end of the positioning cylinder 19 away from the hinge is bonded with a strap, and the lower part of the auxiliary plate 18 is provided with four positioning Ring 20.

Between the support plate 2 and the two matching plates 3, an adjustment mechanism for adjusting the distance between the support plate 2 and the matching plate 3 is connected; the left side of the matching plate 3 is rotatably connected with a rotating nut 4, and the adjustment mechanism comprises a 2. The first chute 6 and the second chute 7 in the upper and lower parts, the middle of the two matching plates 3 are provided with a vertical third chute 8, the first chute 6, the second chute 7 and the third Slider 9 is slidably connected in chute 8, connecting rod 10 is hinged between two adjacent sliders 9, and four connecting rods 10 form a diamond-shaped frame; A winding reel 11 is connected, a rotating shaft 12 is rotatably connected in the winding reel 11, a torsion spring is fixedly connected between the rotating shaft 12 and the winding reel 11, a threaded belt 5 is wound on the rotating shaft 12, and the left end of the threaded belt 5 passes through Winding the left side wall of the reel 11 and adhering to the slider 9 in the third chute 8 on the left side, the right end of the threaded belt 5 passes through the right side wall of the winding reel 11 and goes around the support plate 2 and The fixing plate 1 is intermittently connected with the rotating nut 4 by screw thread, the outer wall of the winding drum 11 is bonded with a pulling rope, the middle part of the pulling rope is fixed on the winding drum 11, and both ends of the pulling rope are provided with threaded belts 5 for limiting The collars are respectively sleeved on the threaded belts 5 on both sides of the winding drum 11 .

The specific implementation process is as follows: in the initial state, the support plate 2 and the two matching plates 3 are attached, the slider 9 in the first chute 6 is located at the top of the first chute 6, and the slider 9 in the second chute 7 Located at the bottom end of the second chute 7 , the middle portion of the threaded tape 5 is wound on the rotating shaft 12 . When the patient needs to fix the arm during infusion, before the infusion, place the support plate 2 on the outside of the patient's arm (the outside of the arm refers to the side of the elbow), and rotate the fixation plate 1, so that the fixation plate 1 and the support plate 2, cooperate with each other. The plate 3 is formed into a cylindrical structure with a thick upper and a thinner lower. The side shown in Figure 1 is the side that is in contact with the patient's arm when in use. At this time, the threaded belt 5 is inserted into the rotating nut 4. , and then manually rotate the rotating nut 4, so that the rotating nut 4 moves along the threaded belt 5, so that the support plate 2, the matching plate 3 and the fixing plate 1 are fixed as a whole, and the patient's arm is fixed. The length of the rope is fixed, and the loop has a pulling force on the threaded belt 5 toward the middle of the winding drum 11 , and the threaded belt 5 is limited by the loop to make the threaded belt 5 stably fix the patient's arm. Then, the transparent cover is turned to open the operation port 13, and the medical staff infuses the inside of the patient's arm. to avoid compressing the infusion port. During the infusion, a support plate 2 is arranged on the outer side of the patient's elbow, and the support plate 2 has a fixing effect on the elbow, which can avoid bending of the elbow and affect the speed of the infusion.

When the arm of a relatively thick patient needs to be fixed, the threaded belt 5 is pulled to the right, so that the middle of the threaded belt 5 is unwound from the rotating shaft 12, so that the left and right ends of the threaded belt 5 turn to the left and right respectively. side extension, so that the left end of the threaded strip 5 pushes the slider 9 located in the third chute 8 on the left to the left, so that the angle between the two connecting rods 10 hinged with the slider 9 is reduced, The width of the diamond frame is increased, and the distance between the support plate 2 and the two matching plates 3 is increased, so as to achieve the purpose of adjusting the movable plate as a whole, so that the diameter of the cylinder enclosed by the movable plate and the fixed plate 1 is increased, so that the device It is suitable for the immobilization of the arms of thicker patients.

Since the contact surfaces of the support plate 2, the matching plate 3 and the arm are all arc surfaces that can fit with the arm, the support plate 2 and the matching plate 3 fit better with the patient's arm. However, when the infusion time increases, The long-term contact between the support plate 2, the matching plate 3 and the patient's arm will cause the arm to heat up. At this time, the air inlet of the vortex tube 17 is connected to the air outlet of the air conditioner. After the gas enters the vortex tube 17, a part of The cold air pipe flows into the ventilation pipe 15, and is blown out from the ventilation holes 16 on the side of the ventilation pipe 15, which can blow the fixed arm. On the one hand, it can cool the patient's arm and prevent the patient's arm from sweating due to overheating It affects the fixation effect. On the other hand, the blown wind can also speed up the evaporation rate of the sweat that has already appeared on the patient's arm, so as to avoid the presence of sweat in the arm and affect the patient's comfort; another part of the gas will flow along the hot outlet tube to the infusion fixation tube 14. , to heat the infusion tube in the infusion fixed tube 14, that is, to keep the liquid medicine in the infusion tube warm, so as to avoid the liquid medicine from being too cold.

The above are only examples of the present invention, and common knowledge such as well-known specific technical solutions and/or characteristics in the solutions are not described too much here. It should be pointed out that for those skilled in the art, some modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation of the present invention. effect and the applicability of the patent. The scope of protection claimed in this application shall be based on the content of the claims, and the descriptions of the specific implementation manners in the description can be used to interpret the content of the claims.

Claims (5)

1. A fixing device for infusion is characterized in that: the device comprises a semi-cylindrical fixed plate, wherein the fixed plate is movably connected with a movable plate, the movable plate comprises a supporting plate and matching plates positioned on two sides of the supporting plate, and an adjusting mechanism for adjusting the distance between the supporting plate and the matching plates is connected between the supporting plate and the two matching plates; one side part of each matching plate is rotatably connected with a rotating nut, each matching plate is also fixedly connected with a threaded belt, each threaded belt sequentially bypasses the corresponding supporting plate and the corresponding fixing plate and is intermittently in threaded connection with the corresponding rotating nut, each fixing plate is made of transparent materials, each adjusting mechanism comprises a first sliding groove and a second sliding groove which are respectively located on the upper portion and the lower portion of the corresponding supporting plate, vertical third sliding grooves are formed in the middle parts of the two matching plates, sliding blocks are connected in the first sliding grooves, the second sliding grooves and the third sliding grooves in a sliding mode, connecting rods are hinged between every two adjacent sliding blocks, and the four connecting rods surround a rhombic frame; a winding drum is fixedly connected to the middle of the supporting plate, a rotating shaft is rotatably connected to the winding drum, a torsion spring is fixedly connected between the rotating shaft and the winding drum, the middle of a threaded belt is wound on the rotating shaft, one end of the threaded belt penetrates through one side wall of the winding drum and is fixedly connected to a sliding block far away from the fixed plate, and the other end of the threaded belt penetrates through the other side wall of the winding drum and is slidably connected to a sliding block close to the fixed plate; the equal rigid coupling in both sides portion of backup pad has the breather pipe, all is equipped with a plurality of scavenge ports on the lateral wall of breather pipe, and the rigid coupling has the vortex tube on the fixed plate, is equipped with the air inlet on the vortex tube, and the air inlet intercommunication of vortex tube has the air supply, and the hot outlet duct and the fixed pipe intercommunication of infusion of vortex tube, the cold outlet duct and the breather pipe intercommunication of vortex tube.

2. The infusion fixing device according to claim 1, wherein: one side edge of the matching plate, which is far away from the supporting plate, is obliquely arranged from top to bottom in the direction close to the supporting plate.

3. The infusion fixing device according to claim 2, wherein: an operation opening is formed in the fixing plate, a transparent cover plate is movably connected to the side portion of the operation opening, an infusion fixing pipe is movably connected to the lower portion of the operation opening, and an opening is formed in the infusion fixing pipe in the axial direction of the infusion fixing pipe.

4. An infusion fixing device according to any one of claims 1 to 3, characterized in that: the bottom of the supporting plate is fixedly connected with an auxiliary plate, the auxiliary plate is movably connected with a positioning cylinder, and the lower part of the auxiliary plate is provided with a plurality of positioning rings.

5. The infusion fixing device according to claim 4, wherein: the contact surfaces of the supporting plate, the matching plate and the arm are cambered surfaces capable of being attached to the arm.

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