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CN-122006072-A - Catheter fixing mechanism with flexible clamping and synchronous massaging functions

CN122006072ACN 122006072 ACN122006072 ACN 122006072ACN-122006072-A

Abstract

The invention belongs to the technical field of medical aids, and particularly relates to a catheter fixing mechanism with flexible clamping and synchronous massage, which comprises a mounting seat, wherein a mounting groove is formed in the mounting seat, a flexible clamping mechanism is arranged in the mounting groove and used for clamping a catheter main body, a plurality of first air bags which are vertically arranged are utilized for driving clamping chain plates to clamp the catheter main body during inflation, the top clamping chain plates can be bent when the corresponding air bags continue to expand so as to limit two sides of the top of the catheter, binding belts are arranged on two side distances of the mounting seat, a massage mechanism is arranged on each binding belt, a miniature air pump is utilized for inflating a second air bag, a telescopic flexible pipe is pushed to stretch, and a massage head is driven to massage the wrist. According to the invention, flexible clamping can be realized through air bag driving, dynamic regulation and control are combined with pressure sensing feedback, meanwhile, the massage and drying functions are integrated, the fixing reliability and the use comfort are improved, the structure is simplified, and the cost is reduced.

Inventors

  • Liu Chunwan
  • Xiao sha
  • XIE YINGHUA

Assignees

  • 湖南国健医疗器械有限公司

Dates

Publication Date
20260512
Application Date
20260204

Claims (10)

  1. 1. The utility model provides a take flexible centre gripping and synchronous massage's pipe fixed establishment, includes mount pad (1), its characterized in that: The mounting seat (1) is provided with a mounting groove (3), and a flexible clamping mechanism (5) is arranged in the mounting groove and used for clamping the catheter main body (4); The clamping chain plates (55) can be driven to clamp the catheter main body (4) when the plurality of first air bags (52) are vertically arranged, and the top clamping chain plates (55) can be bent when the corresponding air bags continue to expand, so that limit positions are formed on two sides of the top of the catheter; A binding belt (2) is arranged at the distance between two sides of the mounting seat (1), and a massage mechanism (6) is arranged on the binding belt (2); The miniature air pump (7) is utilized to inflate the second air bag (61), the telescopic flexible pipe (63) is pushed to stretch, the massage head (64) is driven to massage the wrist, when the vent hole (67) is exposed out of the through hole (62), the air bag is exhausted, the massage head is reset, and therefore continuous massage is achieved, and the wrist is blown and dried in the exhausting process; the mounting seat (1) is provided with a regulating mechanism (8) which is configured to independently control the inflation and the exhaust of the first air bag (52) and is used for controlling the inflation of the second air bag (61).
  2. 2. The catheter fixing mechanism with flexible clamping and synchronous massaging functions according to claim 1, wherein the flexible clamping mechanism (5) comprises a plurality of mounting blocks (51) arranged on two sides inside the mounting groove (3), and a plurality of first air bags (52) are vertically and equidistantly arranged on one side of each mounting block (51); A limiting ring (53) is fixed on the outer wall of the first air bag (52) close to the end part of the first air bag, a plurality of limiting rods (54) are arrayed at equal intervals along the circumferential direction of one side of the limiting ring (53), and the limiting rods (54) are in sliding connection with the mounting blocks (51); the clamping chain plate (55) is arranged between one ends of the first air bags (52) on the same side and is provided with a plurality of plate bodies, and each plate body is connected with one corresponding first air bag (52).
  3. 3. The catheter fixing mechanism with flexible clamping and synchronous massaging according to claim 1, wherein the massaging mechanism (6) comprises a second air bag (61) arranged on the inner side of the binding belt (2), a plurality of through holes (62) are formed in an equidistant array of the second air bag (61), a first limiting pipe (65) is arranged at the top edge of the through holes (62), and the first limiting pipe (65) is positioned in the second air bag (61); The outer wall damping of first spacing pipe (65) slides there is second spacing pipe (66), the top rounding of second spacing pipe (66) is handled, the bottom of second spacing pipe (66) just overlaps at first spacing pipe (65) outer wall and is provided with first spring (69).
  4. 4. The catheter fixing mechanism with flexible clamping and synchronous massaging functions according to claim 1, wherein the flexible tube (63) is fixed in the second air bag (61) in a sealing way and sleeved on the second limiting tube (66); the flexible tube (63) is turned over towards the first limiting tube (65) and extends to penetrate through the first limiting tube (65), and one end of the flexible tube, which extends out of the through hole (62), is fixedly provided with a massage head (64) in a sealing mode.
  5. 5. The catheter fixing mechanism with flexible clamping and synchronous massaging functions according to claim 1, wherein the outer wall of the flexible pipe (63) is provided with a plurality of vent holes (67) at equal intervals in the circumferential direction of the first limiting pipe (65), and first sealing rings (68) in sealing sliding contact with the first limiting pipe (65) are fixed on the flexible pipe (63) and located on the upper side and the lower side of the vent holes (67).
  6. 6. The catheter fixing mechanism with flexible clamping and synchronous massaging functions according to claim 1, wherein the adjusting mechanism (8) comprises a first inserting groove (82) arranged on the mounting seat (1), a first inserting block (83) is inserted into the first inserting groove (82), and a kidney-shaped groove (84) is formed in one side of the first inserting block (83); The inner side of the kidney-shaped groove (84) is communicated with a Z-shaped air passage (85), the other end of the Z-shaped air passage (85) is communicated with the other side of the first plug-in block (83), and a buckling mechanism (9) is arranged on one side of the first plug-in block (83) and above the kidney-shaped groove (84).
  7. 7. The catheter fixing mechanism with flexible clamping and synchronous massaging functions according to claim 1, wherein a second inserting groove (88) is formed in the top of the mounting seat (1) and located on one side of the first inserting groove (82), and a second inserting block (89) is inserted into the second inserting groove (88); a clamping air passage communicated with the first air bag (52) is formed in the inner side of the first inserting groove (82), a first L-shaped air passage (810) is transversely formed in a penetrating manner in one side of the second inserting block (89), and the first L-shaped air passage (810) is communicated with the clamping air passage in an aligned manner; The inside of first L type air flue (810) is provided with first check valve, second L type air flue (812) have been vertically seted up to one side and being located first L type air flue (810) top of second plug block (89), second plug block (89) extend to first jack groove (82) outside one side link up and have seted up logical groove (811) with second L type air flue (812) intercommunication.
  8. 8. The catheter fixing mechanism with flexible clamping and synchronous massaging functions according to claim 6, wherein a second air passage (86) is arranged between the first inserting groove (82) and the second inserting groove (88) in a penetrating way, and is used for communicating the Z-shaped air passage (85) with the first L-shaped air passage (810); a third air passage (87) communicated with the second air bag (61) is formed in the inner side of the first inserting groove (82) and below the second air passage (86), and a second one-way valve is arranged in the third air passage (87).
  9. 9. The catheter fixing mechanism with flexible clamping and synchronous massaging functions according to claim 1, wherein a miniature air pump (7) is arranged at the top of the mounting seat (1) and positioned at one side of the first inserting groove (82), and a first air passage (81) is formed in the inner side of the first inserting groove (82) corresponding to the waist-shaped groove (84); One end of the first air passage (81) is communicated with the inflating port of the miniature air pump (7), the other end of the first air passage (81) is provided with a convex nozzle, and the convex nozzle extends into the kidney-shaped groove (84).
  10. 10. The catheter fixing mechanism with flexible clamping and synchronous massaging functions according to claim 1, wherein a storage battery (11) and a display screen are arranged at the top of the mounting seat (1), a controller is arranged in the mounting seat (1), a flexible pressure sensor is fixed on the inner wall of the binding belt (2), and the controller is electrically connected with the storage battery (11), the display screen, the flexible pressure sensor and the miniature air pump (7).

Description

Catheter fixing mechanism with flexible clamping and synchronous massaging functions Technical Field The invention belongs to the technical field of medical aids, and particularly relates to a catheter fixing mechanism with flexible clamping and synchronous massage. Background In clinical medicine, a dialysis catheter is an indispensable medical instrument in key diagnosis and treatment processes such as hemodialysis treatment, and the stability and fixation of the dialysis catheter are directly related to the safety and effectiveness of diagnosis and treatment. At present, most of the common dialysis catheter fixing modes in clinic are traditional mechanical clamping or adhesive tape sticking fixing. The traditional mechanical clamping device has the problems that the clamping force is uncontrollable and inaccurate to adjust, the catheter is easy to be crushed or deformed due to over-tight clamping, blood circulation is affected, even the outer wall of the catheter is possibly damaged, the fixing reliability cannot be ensured due to over-loose clamping, the catheter is easy to shift and fall off, and complications such as infection and bleeding are caused. Meanwhile, the adhesive tape sticking and fixing mode is simple and convenient to operate, but skin allergy and redness are easy to cause after long-term use, the adhesive tape sticking and fixing mode cannot adapt to dialysis catheters with different specifications, and the fixing stability is poor. In addition, dialysis treatment period is longer, and patient's arm is in fixed state for a long time, and uncomfortable symptoms such as local blood circulation is unsmooth, muscle aching easily appear, and current fixing device lacks corresponding auxiliary comfortable function, can't satisfy patient's travelling comfort demand. In addition, the gas circuit of the existing catheter fixing device is controlled by a plurality of power sources or a complex valve group structure, so that the volume and the cost of the device are increased, the failure occurrence rate is improved, and the device is not beneficial to clinical popularization and use. Moreover, the clamping pressure cannot be accurately mastered by medical staff due to the lack of a real-time feedback mechanism of the clamping pressure, and targeted adjustment is difficult to achieve according to individual conditions of patients. Disclosure of Invention The invention aims to provide a catheter fixing mechanism with flexible clamping and synchronous massage, which can realize flexible clamping through air bag driving, combines pressure sensing feedback dynamic regulation and control, integrates massage and drying functions, improves fixing reliability and use comfort, simplifies the structure and reduces the cost. The technical scheme adopted by the invention is as follows: the catheter fixing mechanism with the flexible clamping and synchronous massage functions comprises a mounting seat, wherein a mounting groove is formed in the mounting seat, and a flexible clamping mechanism is arranged in the mounting groove and used for clamping a catheter main body; the top clamping chain plate can be bent when the corresponding air bags continue to expand, so that limit is formed on two sides of the top of the catheter; the two sides of the mounting seat are provided with binding bands, and the binding bands are provided with massage mechanisms; the miniature air pump is utilized to inflate the second air bag, the telescopic flexible pipe is pushed to extend, the massage head is driven to massage the wrist, when the vent hole is exposed out of the through hole, the air bag is exhausted, the massage head is reset, and therefore continuous massage is achieved, and the wrist is blown and dried in the exhausting process; the mounting seat is provided with a regulating mechanism which is configured to independently control the inflation and the exhaust of the first air bag and is used for controlling the inflation of the second air bag. The flexible clamping mechanism comprises a plurality of mounting blocks arranged on two sides of the inside of the mounting groove, and a plurality of first air bags are vertically arranged on one side of each mounting block at equal intervals; A limiting ring is fixed on the outer wall of the first air bag close to the end part of the first air bag, a plurality of limiting rods are arrayed at one side of the limiting ring along the circumferential direction at equal intervals, and the limiting rods are in sliding connection with the mounting blocks; The clamping chain plate is arranged between one ends of the first air bags on the same side and is provided with a plurality of plate bodies, and each plate body is connected with one corresponding first air bag. The massage mechanism comprises a second air bag arranged on the inner side of the binding belt, a plurality of through holes are formed in the second air bag in an equidistant array mode, a first limiting pipe is arrang