CN-116831858-B - Auxiliary hemodialysis device for nephrology department

CN116831858BCN 116831858 BCN116831858 BCN 116831858BCN-116831858-B

Abstract

The invention relates to the field of medical auxiliary instruments, in particular to a hemodialysis auxiliary device for nephrology department. The invention provides a hemodialysis auxiliary device for nephrology department, which can stably lift the arm at the side of internal fistula of a patient, movably fix a catheter connected with an internal fistula puncture needle, is flexible to use, and can effectively prevent muscle spasm of the arm so as to assist the patient to carry out more comfortable hemodialysis treatment. The auxiliary hemodialysis device for the nephrology department comprises a bottom plate, a screw rod, a rotary handle and the like, wherein the screw rod is connected to the bottom plate through threads, and the rotary handle is arranged at the bottom end of the screw rod. According to the invention, the inclined plane ring is limited by the round head ejector rod, the heights of the supporting ring plate and the fixing ring plate are locked, the gear ring is limited at the same time, and the swinging angle of the supporting ring plate and the fixing ring plate is locked, so that the supporting ring plate can limit the arm at the internal fistula side of a patient, and the patient is assisted in carrying out hemodialysis treatment stably.

Inventors

LI JIANGTAO
YU CHEN
WANG AILI
ZHANG YINGYING
LI XIN
YUAN AIHONG
CUI CHUNLI
WANG LIRUI
CHEN YUE

Assignees

上海市同济医院

Dates

Publication Date: 20260505
Application Date: 20230625

Claims (6)

1. The utility model provides a nephrology department hemodialysis auxiliary device which is characterized by, including bottom plate (1), screw rod (21), rotatory handle (22), spacing clamp plate (23), hand fixed establishment and regulation fixed establishment, screw rod (21) are through threaded connection on bottom plate (1), rotatory handle (22) fixed connection is in screw rod (21) bottom, spacing clamp plate (23) fixed connection is in bottom plate (1) upside, hand fixed establishment is established on bottom plate (1), regulation fixed establishment is established on hand fixed establishment and is connected with bottom plate (1); The hand fixing mechanism comprises a supporting rotating rod (31), a supporting ring plate (32), hinges (33), a fixing ring plate (34), an upper soft cushion (351), a lower soft cushion (352) and a first magnet (36), wherein the supporting rotating rod (31) is connected to a bottom plate (1) in a sliding mode, the supporting ring plate (32) is fixedly connected to the top end of the supporting rotating rod (31), the fixing ring plate (34) is connected to one side of the top of the supporting ring plate (32) through the two hinges (33), the fixing ring plate (34) is made of iron, the upper soft cushion (351) is fixedly connected to the inner wall of the fixing ring plate (34), the upper soft cushion (351) is made of soft materials, the lower soft cushion (352) is fixedly connected to the inner wall of the supporting ring plate (32), the first magnet (36) is fixedly connected to one side of the upper portion of the supporting ring plate (32), and the first magnet (36) is magnetically attracted to the fixing ring plate (34). The adjusting and fixing mechanism comprises a spring ring (41), an inclined plane ring (42), a gear (43), a toothed ring (44), a round head ejector rod (45) and a first reset spring (46), wherein one end of the spring ring (41) is fixedly connected to the bottom of the bottom plate (1), the other end of the spring ring (41) is rotationally connected with the supporting rotary rod (31), the inclined plane ring (42) is fixedly connected to the upper part of the supporting rotary rod (31), an inclined plane is arranged on the outer wall of the inclined plane ring (42), the gear (43) is fixedly connected to the supporting rotary rod (31), the gear (43) is located below the inclined plane ring (42), the toothed ring (44) is fixedly connected to the upper side surface of the bottom plate (1), the gear (43) is located above the toothed ring (44), the gear (43) is meshed with the toothed ring (44), the round head ejector rod (45) is slidingly connected to the upper part of the bottom plate (1), and the round head ejector rod (45) is contacted with the inclined plane lower part of the inclined plane ring (42), and the first reset spring (46) is connected between the bottom plate (1) and the round head ejector rod (45). The guide pipe fixing mechanism is arranged on the fixed ring plate (34) and is connected with the supporting ring plate (32), the guide pipe fixing mechanism comprises a guide arc plate (51), a sliding pressing ring (52), a semicircular base (53), a driven pressing ring (54), a magnet II (55), a magnet III (551), an inclined ejector rod (56), a reset spring II (57) and a pressing circular plate (58), the guide arc plates (51) are fixedly connected to the inner walls of the left side and the right side of two inner placing notches of the fixed ring plate (34), the two guide arc plates (51) are in a group, a sliding pressing ring (52) is connected between the two guide arc plates (51) in a sliding mode, one side top of the supporting ring plate (32) far away from a hinge (33) is fixedly connected with the two semicircular bases (53), the two semicircular bases (53) are symmetrically arranged, the semicircular bases (53) are located in the inner placing notches of the fixed ring plate (34), the driven pressing ring (54) are placed in the two semicircular bases (53), the magnet II (55) are fixedly connected with the magnet III (55) in a sliding mode, the magnet III is fixedly connected with the magnet (55) in a sliding mode, two inclined plane ejector rods (56) are connected to the lower portion of one side, far away from the hinge (33), of the fixed ring plate (34), the two inclined plane ejector rods (56) are symmetrically arranged, a reset spring II (57) is connected between the two inclined plane ejector rods (56) and the fixed ring plate (34) respectively, and pressing circular plates (58) are fixedly connected to the two inclined plane ejector rods (56).
2. The auxiliary hemodialysis device for nephrology department according to claim 1, wherein two inner placing notches are formed in one side of the lower portion of the fixing ring plate (34) far away from the hinge (33), two outer placing notches are formed in one side of the lower portion of the upper cushion (351) far away from the hinge (33), and the inner placing notches of the fixing ring plate (34) are overlapped with the outer placing notches of the upper cushion (351).
3. The auxiliary device for hemodialysis of nephrology department according to claim 1, wherein the inner sides of the upper cushion (351) and the lower cushion (352) are respectively provided with a plurality of friction grooves.
4. A hemodialysis auxiliary device for nephrology department according to claim 3, further comprising a constant temperature heating patch (6), wherein a plurality of constant temperature heating patches (6) are fixedly connected to the inner walls of the upper cushion (351) and the lower cushion (352).
5. The auxiliary hemodialysis device for nephrology department according to claim 4, further comprising an annular pressing plate (71), a switch button (72), an electric push rod (73) and a soft sleeve ring (74), wherein the annular pressing plate (71) is fixedly connected to the supporting rotary rod (31), the gear (43) is located in the annular pressing plate (71), the switch button (72) is fixedly connected to the upper side face of the bottom plate (1), the switch button (72) is located below the annular pressing plate (71), the electric push rod (73) is fixedly connected to the upper portion of the supporting rotary rod (31), the electric push rod (73) is located between the supporting annular plate (32) and the inclined plane ring (42), the soft sleeve ring (74) is fixedly connected to the telescopic rod of the electric push rod (73), and the soft sleeve ring (74) is made of soft materials.
6. The hemodialysis auxiliary device of a nephrology department according to claim 5, wherein a switch is arranged on the switch button (72), and the electric push rod (73) is connected with the switch of the switch button (72) through Bluetooth.

Description

Auxiliary hemodialysis device for nephrology department Technical Field The invention relates to the field of medical auxiliary instruments, in particular to a hemodialysis auxiliary device for nephrology department. Background Chronic kidney disease is a common disease, if exacerbation progresses to uremia, seriously jeopardizing human health, and hemodialysis is currently the main kidney replacement therapy. Hemodialysis is performed by drawing blood out of the body, removing metabolites and water by using diffusion, convection and adsorption principles, adjusting electrolyte balance, and drawing purified blood back into the body. When a patient carries out hemodialysis treatment, the patient needs to carry out internal fistula puncture, the arm at the side of the internal fistula is required to be kept in an extended state for a long time, in order to avoid the arm of the patient from being hung outside a sickbed, staff can limit the arm of the patient by using some auxiliary devices, a catheter connected with a puncture needle on the arm is fixed, and the puncture needle slipping caused by the arm movement of the patient is avoided. However, limiting the arms on the side of the internal fistula can lead to the incapacitation of the arms of the patient, and long-term maintenance of one action can cause muscle cramps or muscle stiffness of the arms, which causes serious discomfort to the patient. Disclosure of Invention The invention aims to solve the technical problems, and provides a hemodialysis auxiliary device for nephrology department, which can stably lift the internal fistula side arm of a patient, movably fix a catheter connected with an internal fistula puncture needle, is flexible to use, and can effectively prevent muscle spasm of the arm so as to assist the patient to carry out more comfortable hemodialysis treatment. The utility model provides a nephrology department hemodialysis auxiliary device, includes bottom plate, screw rod, rotatory handle, spacing clamp plate, hand fixed establishment and adjusts fixed establishment, the screw rod passes through threaded connection on the bottom plate, rotatory handle fixed connection is in the screw rod bottom, spacing clamp plate fixed connection is in the bottom plate upside, hand fixed establishment establishes on the bottom plate, adjust fixed establishment and establish on hand fixed establishment and be connected with the bottom plate. Further, the hand fixing mechanism comprises a supporting rotating rod, a supporting annular plate, a hinge, a fixing annular plate, an upper soft cushion, a lower soft cushion and a first magnet, wherein the supporting rotating rod is connected to the bottom plate in a sliding mode, the supporting annular plate is fixedly connected to the top end of the supporting rotating rod, the fixing annular plate is connected to one side of the top of the supporting annular plate through two hinges, the fixing annular plate is made of iron, the upper soft cushion is fixedly connected to the inner wall of the fixing annular plate, the upper soft cushion is made of soft materials, the lower soft cushion is fixedly connected to the inner wall of the supporting annular plate, the first magnet is fixedly connected to one side of the upper portion of the supporting annular plate, and the first magnet is used for attracting the fixing annular plate. Further, two inner placing notches are formed in one side, far away from the lower part of the hinge, of the fixed ring plate, two outer placing notches are formed in one side, far away from the lower part of the hinge, of the upper soft cushion, and the inner placing notches of the fixed ring plate are overlapped with the outer placing notches of the upper soft cushion. Further, a plurality of friction grooves are formed in the inner sides of the upper soft cushion and the lower soft cushion. Further, the adjusting and fixing mechanism comprises a spring ring, an inclined plane ring, a gear, a toothed ring, a round head ejector rod and a first reset spring, one end of the spring ring is fixedly connected to the bottom of the bottom plate, the other end of the spring ring is rotatably connected with the supporting rotating rod, the inclined plane ring is fixedly connected to the upper portion of the supporting rotating rod, an inclined plane is arranged on the outer wall of the inclined plane ring, the gear is fixedly connected to the supporting rotating rod, the gear is located below the inclined plane ring, the toothed ring is fixedly connected to the upper side surface of the bottom plate, the gear is located above the toothed ring and meshed with the toothed ring, the round head ejector rod is slidably connected to the upper portion of the bottom plate, the round head ejector rod is in contact with the lower portion of the inclined plane ring, and the first reset spring is connected between the bottom plate and the round head ejector rod. Further, the guide pipe fixing mechanism