CN219271395U - Arm braking device for old hemodialysis patient - Google Patents

Abstract

The utility model relates to the technical field of hemodialysis auxiliary instruments, in particular to an arm braking device for old hemodialysis patients, which comprises a placement shell and a protection pad adhered and arranged on the placement shell, wherein the placement shell is provided with a restraint mechanism for fixing arms of the patients, the restraint mechanism comprises a first binding belt arranged at two ends of the top of the placement shell and a second binding belt arranged at the top of the first binding belt and matched with the first binding belt, movable cross bars are arranged at two ends of the inner side of the placement shell in a sliding manner, and sliding cross grooves connected with the movable cross bars in a sliding manner are formed at two ends of the placement shell. The arm brake device is simple in structure, is beneficial to enabling the constraint effect of the arm brake device on the arm of a patient to be more remarkable, improves the safety in the hemodialysis process, has extremely strong practicability, avoids the situation that the stability of fixing the arm by the arm brake device for the elderly hemodialysis patient is not strong and looseness is easy to occur, and simultaneously improves the flexibility of the arm brake device.

Description

Arm braking device for old hemodialysis patient

Technical Field

The utility model relates to the technical field of hemodialysis auxiliary instruments, in particular to a hand arm braking device for old hemodialysis patients.

Background

Hemodialysis is the most important kidney replacement therapy mode for patients with acute and chronic renal failure, and the number of patients with senile chronic renal failure is continuously increased at present, so that the number of elderly patients with persistent hemodialysis is continuously increased. Old patient carries out dialysis through the arm puncture when hemodialysis treatment, and hemodialysis treatment in-process is often fixed patient puncture side arm at the bedside through arm arresting gear, but the stability of fixed old patient's arm is not strong, easily appears not hard up condition, to patient's arm restraint effect greatly reduced, influences the security of hemodialysis in-process, and the practicality is relatively poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the arm braking device for the aged hemodialysis patient, solves the technical problems that the stability of the arm braking device for the aged hemodialysis patient for fixing the arm is not strong, looseness is easy to occur, and the arm constraint effect of the patient is greatly reduced, and achieves the aim of improving the arm stability of the aged hemodialysis patient.

In order to solve the technical problems, the utility model provides the following technical scheme: the arm braking device for the aged hemodialysis patient comprises a placement shell and a protection pad which is adhered to the placement shell, wherein a restraint mechanism for fixing the arm of the patient is arranged on the placement shell;

the restraint mechanism comprises a first strap arranged at the top of the placing shell and a second strap arranged at the top of the first strap and matched with the first strap, movable cross rods are slidably arranged at the two ends of the inner side of the placing shell, sliding transverse grooves which are slidably connected with the movable cross rods are formed in the two ends of the placing shell, connecting blocks which are respectively fixed with one end of the first strap and one end of the second strap are fixedly arranged at the two ends of the movable cross rods, the other ends of the first strap and the other end of the second strap respectively penetrate through the two connecting blocks and are slidably connected with the two connecting blocks, fastening bolts are respectively arranged on one side of the two connecting blocks and respectively penetrate through the two connecting blocks and are in contact with the first strap and the second strap, and the restraint mechanism further comprises a moving assembly arranged on the inner side of the placing shell.

Further, the movable assembly comprises a movable connecting rod arranged between two movable cross rods and a rotating shaft fixedly arranged at the center of the movable connecting rod and rotationally connected with the placing shell through a bearing, wherein two limiting transverse grooves are formed in one side of each movable cross rod, and sliding blocks which respectively slide with the two limiting transverse grooves are hinged to two ends of each movable connecting rod.

Further, the inner side of one end of the placing shell is provided with a movable cross shaft through a bearing seat in a rotating way, one end of the movable cross shaft is fixed with a first bevel gear, one side of the bevel gear is in meshed transmission with a second bevel gear fixed with the bottom of the rotating shaft, and one end of the movable cross shaft penetrating the placing shell is fixed with a screw cap.

Further, the bottom of the placing shell is provided with a positioning mechanism for installing the positioning mechanism, the positioning mechanism comprises limiting clamping plates arranged at two ends of the bottom of the placing shell and a movable clamping plate arranged at the bottom of the limiting clamping plate, and a limiting vertical groove which is in sliding connection with the movable clamping plate is formed in one side of the limiting clamping plate.

Further, the movable clamping plate bottom one end is equipped with the knob, and the knob top is fixed with the screw thread montant of being connected through the bearing rotation with spacing clamping plate, threaded hole has been seted up to movable clamping plate one end, and the screw thread montant runs through spacing clamping plate bottom and with screw hole threaded connection.

Further, a clamping belt which is in sliding connection with the second strap is fixed on the first strap.

The utility model provides an arm braking device for old hemodialysis patients, which has the following beneficial effects:

1. according to the utility model, the arm of the elderly patient is restrained and fixed by arranging the restraint mechanism, the arm on the puncture side of the elderly patient is placed on the protection pad at the top of the placement shell, and then the arm of the elderly patient is fixed on the placement shell by the first binding belt and the second binding belt, so that the arm of the elderly patient is kept in a fixed state in the hemodialysis treatment process, the structure is simple, the restraint effect of the arm brake device on the arm of the patient is more obvious, the safety in the hemodialysis process is improved, the practicability is extremely high, and the situation that the stability of fixing the arm by the arm brake device for the elderly patient is not strong and looseness is easy to occur is avoided.

2. According to the arm braking device, the positioning mechanism is arranged so as to fix the arm braking device on a sickbed, the placing shell is placed beside a sickbed of an elderly patient, the limiting clamping plate is arranged on the edge of the sickbed, then the rotating knob drives the threaded vertical rod to rotate, and meanwhile, the threaded vertical rod drives the movable clamping plate to slide upwards, and the movable clamping plate is contacted with the lower part of the edge of the sickbed, so that the placing shell is fixedly arranged on the sickbed, the operation is convenient, and the flexibility of the arm braking device for the elderly hemodialysis patient is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a side perspective cross-sectional view of the present utility model;

FIG. 3 is a front perspective cross-sectional view of the present utility model;

fig. 4 is an exploded view of a portion of the structure of the present utility model.

In the figure: 1. placing a shell; 2. a protective pad; 3. a restraint mechanism; 31. a first binding belt; 32. a second binding belt; 33. a movable cross bar; 34. a sliding transverse groove; 35. a connecting block; 36. a fastening bolt; 37. a moving assembly; 371. a movable connecting rod; 372. a rotating shaft; 373. a limit transverse groove; 374. a sliding block; 375. a movable cross shaft; 376. bevel gears I; 377. bevel gears II; 378. a screw cap; 38. a clamping belt; 4. a positioning mechanism; 41. a limiting clamping plate; 42. a movable clamping plate; 43. limiting vertical grooves; 44. a knob; 45. a screw thread vertical rod.

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.

Hemodialysis is typically performed by surgical procedures in an arm to suture an artery and adjacent vein adjacent to the wrist to form an autologous arteriovenous fistula or to join adjacent arteries and veins in the arm with an artificial blood vessel disposed therein to form an artificial blood vessel arteriovenous fistula. During hemodialysis, an arterial needle and a venous needle communicated with the dialysis machine through a dialysis tube are adopted to puncture internal fistula, so that blood is guided to enter and exit the dialysis machine.

Fig. 1-4 illustrate one embodiment of the present utility model: the utility model provides an arm arresting gear for old patient hemodialysis, is including placing casing 1 to and bond the protection pad 2 that sets up on placing casing 1, is provided with the restraint mechanism 3 that is used for fixing patient's arm on placing casing 1, and protection pad 2 is made by soft sponge material, and old patient's arm is placed on protection pad 2.

The restraint mechanism 3 is used for restraining and fixing the arm of the elderly hemodialysis patient, the puncture side arm of the elderly patient is placed on the protection pad 2 at the top of the placement shell 1, and the arm of the patient is fixed on the placement shell 1 through the first binding belt 31 and the second binding belt 32, so that the arm of the elderly patient is fixed in the hemodialysis treatment process, and the restraint effect of the arm brake device on the arm of the patient is more remarkable.

The restraint mechanism 3 comprises a first strap 31 arranged at two ends of the top of the placement shell 1 and a second strap 32 arranged at the top of the first strap 31 and matched with the first strap 31, a clamping strap 38 which is in sliding connection with the second strap 32 is fixed on the first strap 31, the first strap 31 and the second strap 32 are soft elastic straps, when the first strap 31 and the second strap 32 are used for fixing the arm of an elderly patient, the second strap 32 passes through the clamping strap 38 on the first strap 31, so that the first strap 31 and the second strap 32 are fixed more stably, two ends of the inner side of the placement shell 1 are respectively provided with a movable cross bar 33 in sliding manner, two ends of the placement shell 1 are respectively provided with a sliding transverse groove 34 which is in sliding connection with the movable cross bar 33, two ends of the movable cross bar 33 are respectively fixed with connecting blocks 35 fixed at one ends of the first strap 31 and the second strap 32, the other ends of the first strap 31 and the second strap 32 respectively penetrate through the two connecting blocks 35 and are in sliding connection with the connecting blocks, the two connecting blocks 35 are provided with fastening bolts 36 on one side, the two fastening bolts 36 respectively penetrate through the two connecting blocks 35 and are contacted with the first binding band 31 and the second binding band 32, the fastening bolts 36 are connected with the connecting blocks 35 through threads, the positions of the fastening bolts 36 can be adjusted when the fastening bolts 36 rotate, the restraint mechanism 3 further comprises a moving component 37 arranged on the inner side of the placing shell 1, the movable end of the first binding band 31 is inserted into the connecting block 35 at one end of the movable cross rod 33, one fastening bolt 36 is rotated, the fastening bolts 36 are contacted with the movable end of the first binding band 31, the first binding band 31 is fixed on the connecting block 35 at one end of the movable cross rod 33, the movable end of the second binding band 32 is inserted into the connecting block 35 at the other end of the movable cross rod 33, meanwhile, the second binding band 32 penetrates through a clamping band 38 on the first binding band 31, the other fastening bolt 36 is rotated, the fastening bolts 36 are contacted with the movable end of the second binding band 32, the second strap 32 is fixed to the connecting block 35 at the other end of the movable cross bar 33.

Specifically, the moving assembly 37 includes a movable connecting rod 371 disposed between two movable cross rods 33, and a rotating shaft 372 fixedly disposed at the center of the movable connecting rod 371 and rotationally connected with the placement housing 1 through a bearing, one side of each of the two movable cross rods 33 is provided with a limiting transverse groove 373, two ends of the movable connecting rod 371 are hinged with sliding blocks 374 sliding with the two limiting transverse grooves 373, cross sections of the limiting transverse grooves 373 and the sliding blocks 374 are trapezoid, the sliding blocks 374 slide in the limiting transverse grooves 373 more stably, one end of the placement housing 1 is rotationally provided with a movable transverse shaft 375 through a bearing seat, one end of the movable transverse shaft 375 is fixed with a first bevel gear 376, one side of the first bevel gear 376 is meshed with a second bevel gear 377 fixed at the bottom of the rotating shaft 372, one end of the movable transverse shaft 375 penetrates through the placement housing 1 and is fixed with a screw cap 378, one side of the movable transverse shaft 375 is driven to rotate through the rotating screw cap 378, the first bevel gear 376 drives the second bevel gear 377 in meshed transmission with the first bevel gear 376 to rotate, the rotating shaft 372 on the top of the bevel gear is driven by the second bevel gear 377, the rotating shaft 372 rotates the inner side of the sliding rod 372, the movable cross rod 371 is driven by the rotating shaft 371 to start the bevel gear 371 to rotate, and the movable cross rod 371 is driven by the rotating on the inner side of the movable cross rod 371 to rotate, and the movable cross rod 371 is driven by the bevel gears to rotate on the inner side of the bevel gears to rotate on the side of the bevel gears 377.

Specifically, place casing 1 bottom and be equipped with the positioning mechanism 4 that is used for installing it, positioning mechanism 4 is including setting up in the spacing cardboard 41 of placing casing 1 bottom both ends, and set up in the movable cardboard 42 of spacing cardboard 41 bottom, the movable cardboard 42 all fixedly bonds in one side that spacing cardboard 41 is close to each other has the slipmat, with promote the stability that movable cardboard 42 and spacing cardboard 41 clamp were fixed on the sick bed, spacing vertical slot 43 with movable cardboard 42 sliding connection has been seted up to spacing cardboard 41 one side, movable cardboard 42 bottom one end is equipped with knob 44, knob 44 top is fixed with the screw thread montant 45 that passes through the bearing rotation with spacing cardboard 41 and is connected, the screw thread montant 45 runs through spacing cardboard 41 bottom and with screw thread hole threaded connection, place casing 1 and put old patient's sick bed next, spacing cardboard 41 is taken on the sick bed border, then rotate knob 44 and drive screw thread montant 45 and take place to rotate, movable cardboard 42 slides upwards when the movable cardboard 42 contacts with the sick bed border, thereby it is more stable on the sick bed to place casing 1 fixed mounting, the flexibility of this arm arresting gear has been promoted.

In this embodiment, in the hemodialysis process of the elderly patient, firstly, the placement housing 1 is placed beside the sick bed of the elderly patient, the limit clamping plate 41 is put on the edge of the sick bed, then the knob 44 is rotated, the knob 44 drives the threaded vertical rod 45 at the top of the knob to rotate, the threaded vertical rod 45 drives the movable clamping plate 42 to slide upwards while the movable clamping plate 42 slides upwards inside the limit vertical groove 43, the movable clamping plate 42 contacts with the lower edge of the sick bed, the movable clamping plate 42 and the limit clamping plate 41 are clamped and fixed on the sick bed, so that the placement housing 1 is fixedly installed on the placement housing 1, then the puncture side arm of the elderly patient is placed on the protection pad 2 at the top of the placement housing 1, then the screw cap 378 is rotated, the screw cap 378 drives the movable cross shaft 375 at one side of the screw cap to rotate, the movable cross shaft 375 drives the bevel gear one 376 at one end of the screw cap to rotate, the bevel gear one 376 drives the bevel gear two 377 meshed with the screw cap one to rotate, the bevel gear two 377 drives the bevel gear two top of the bevel gear two 377 to rotate, and the rotation shaft 372 drives the movable connecting rod 371 to rotate, as the two sliding blocks 374 are hinged at two ends of the movable connecting rod 371 slide in the two limit cross grooves 373 respectively in the two limit cross grooves 373, so that the puncture side arms of the puncture side arm is fixed on the two movable connecting rod and the two movable connecting rods 371 slide inside the two movable cross rods 33 to the two movable cross rods 33 are pushed to the two movable cross rods 33 to the appropriate positions 33 after the movable cross rods 33 are adjusted;

then, the movable end of the first strap 31 is pulled, the movable end of the first strap 31 is inserted into the connecting block 35 at one end of the movable cross bar 33, the arm of the elderly patient is fixed first, then one of the fastening bolts 36 is rotated, the fastening bolt 36 moves towards the direction of the first strap 31, the fastening bolt 36 contacts with the movable end of the first strap 31, the first strap 31 is fixed on the connecting block 35 at one end of the movable cross bar 33, then the movable end of the second strap 32 is pulled, the second strap 32 passes through the clamping band 38 on the first strap 31, the movable end of the second strap 32 is inserted into the connecting block 35 at the other end of the movable cross bar 33, the arm of the elderly patient is fixed second, then the other fastening bolt 36 is rotated, the fastening bolt 36 moves towards the direction of the second strap 32, the fastening bolt 36 contacts with the movable end of the second strap 32, the second strap 32 is fixed on the connecting block 35 at the other end of the movable cross bar 33, and the arm of the elderly patient is fixed on the placement shell 1, so that hemodialysis treatment can be performed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Arm arresting gear is used to old hemodialysis patient, including placing casing (1) to and bond and set up protection pad (2) on placing casing (1), its characterized in that: the placing shell (1) is provided with a restraint mechanism (3) for fixing the arm of a patient;

the restraint mechanism (3) comprises a first binding band (31) arranged at two ends of the top of the placement shell (1) and a second binding band (32) arranged at the top of the first binding band (31) and matched with the first binding band, movable cross rods (33) are slidably arranged at two ends of the inner side of the placement shell (1), sliding transverse grooves (34) slidably connected with the movable cross rods (33) are formed in the two ends of the placement shell (1), connecting blocks (35) respectively fixed with the first binding band (31) and one end of the second binding band (32) are fixedly arranged at two ends of the movable cross rods (33), the other ends of the first binding band (31) and the second binding band (32) respectively penetrate through the two connecting blocks (35) and are slidably connected with the second binding band, fastening bolts (36) are respectively arranged on one side of the two connecting blocks (35), the two fastening bolts (36) respectively penetrate through the two connecting blocks (35) and are connected with the first binding band (31) and the second binding band (32), and the restraint mechanism (3) further comprises a moving assembly (37) arranged on the inner side of the placement shell (1).

2. An arm brake apparatus for elderly hemodialysis patients according to claim 1, wherein: the movable assembly (37) comprises a movable connecting rod (371) arranged between two movable cross rods (33), and a rotating shaft (372) fixedly arranged at the center of the movable connecting rod (371) and rotationally connected with the placing shell (1) through a bearing, wherein two limiting transverse grooves (373) are formed in one side of each movable cross rod (33), and sliding blocks (374) respectively sliding with the two limiting transverse grooves (373) are hinged to two ends of each movable connecting rod (371).

3. An arm brake apparatus for elderly hemodialysis patients according to claim 2, wherein: the inner side of one end of the placement shell (1) is provided with a movable cross shaft (375) through bearing seat rotation, one end of the movable cross shaft (375) is fixed with a first bevel gear (376), one side of the first bevel gear (376) is in meshed transmission with a second bevel gear (377) fixed at the bottom of the rotation shaft (372), and the movable cross shaft (375) penetrates through one end of the placement shell (1) to be fixed with a screw cap (378).

4. An arm brake apparatus for elderly hemodialysis patients according to claim 1, wherein: the positioning mechanism (4) for installing the positioning mechanism is arranged at the bottom of the placement shell (1), the positioning mechanism (4) comprises a limiting clamping plate (41) arranged at two ends of the bottom of the placement shell (1) and a movable clamping plate (42) arranged at the bottom of the limiting clamping plate (41), and a limiting vertical groove (43) which is in sliding connection with the movable clamping plate (42) is formed in one side of the limiting clamping plate (41).

5. The arm brake apparatus for elderly hemodialysis patients according to claim 4, wherein: the movable clamping plate is characterized in that a knob (44) is arranged at one end of the bottom of the movable clamping plate (42), a threaded vertical rod (45) which is rotationally connected with the limiting clamping plate (41) through a bearing is fixed at the top of the knob (44), a threaded hole is formed in one end of the movable clamping plate (42), and the threaded vertical rod (45) penetrates through the bottom of the limiting clamping plate (41) and is in threaded connection with the threaded hole.

6. An arm brake apparatus for elderly hemodialysis patients according to claim 1, wherein: and a clamping belt (38) which is connected with the second belt (32) in a sliding way is fixed on the first belt (31).

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