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CN-121987284-A - Hemodialysis fixing device capable of preventing blood leakage

CN121987284ACN 121987284 ACN121987284 ACN 121987284ACN-121987284-A

Abstract

The invention belongs to the technical field of medical appliances, and particularly discloses a hemodialysis fixing device capable of preventing blood leakage, which comprises a needle seat, a puncture needle and two binding belts, wherein one ends of the two binding belts are fixed at two ends of the needle seat, a round hole penetrating to the bottom is formed in the top of the needle seat, after puncture is performed on a blood vessel of an arm of a patient by using puncture, the needle handle part of the puncture needle is required to be pushed into a limiting opening to be clamped, then an arc-shaped strip is pressed downwards, triggering spacing subassembly in the pressing process carries out spacingly to the needle handle department of pjncture needle, drives the gliding of response driver simultaneously, makes the sponge strip in round hole bottom and patient's skin contact laminating, when producing bleeding, adsorbs blood through the sponge strip, then transmits to the super absorbent resin piece, and it is slided to drive the slide through super absorbent resin piece expansion that absorbs water, and then makes the work of pressing the subassembly, presses patient's arm puncture position to reach hemostatic effect.

Inventors

  • TANG QIAN
  • PENG HONGMEI
  • ZHAO JINGHONG

Assignees

  • 中国人民解放军陆军军医大学第二附属医院

Dates

Publication Date
20260508
Application Date
20260330

Claims (10)

  1. 1. The hemodialysis fixing device capable of preventing blood leakage is characterized by comprising a needle seat (2), a puncture needle (4) and two binding belts (1), wherein one ends of the two binding belts (1) are fixed at two ends of the needle seat (2), a round hole (5) penetrating to the bottom is formed in the top of the needle seat (2), a trapezoid groove (6) is formed in the position, close to the front side edge, of the top of the needle seat (2), the rear side of the trapezoid groove (6) is communicated with the round hole (5), limiting components are arranged on inner walls of two sides of the trapezoid groove (6), an arc-shaped opening (9) is formed in the position, behind the round hole (5), of the top of the needle seat (2), an arc-shaped strip (8) is arranged in the interior of the arc-shaped opening, an induction driving piece is arranged in the interior of the arc-shaped strip (8), and a pressing component is arranged at the bottom of the needle seat (2). Limiting openings (7) are formed in the inner wall of the rear side of the trapezoid groove (6) close to the edges of the two sides, foam rubber rings (12) are arranged on the periphery of the round hole (5) at the bottom of the needle seat (2), the needle head of the puncture needle (4) obliquely extends to the rear side of the bottom of the round hole (5), and the needle handle of the puncture needle (4) is correspondingly clamped inside the limiting openings (7).
  2. 2. The hemodialysis fixing device capable of preventing blood leakage according to claim 1, wherein side ports (25) penetrating through the inside of the arc-shaped ports (9) are formed in the inner walls of the two sides of the round hole (5), shifting blocks (26) are slidably arranged between the inner walls of the two sides of the two side ports (25), and one ends of the two shifting blocks (26) are fixed on the arc-shaped strips (8).
  3. 3. The hemodialysis fixing device capable of preventing blood leakage according to claim 2, wherein spring paddles (30) are fixed at the positions, close to the bottom edges, of one sides of the two paddles (26), guide grooves (31) are formed in one side inner wall of the two side ports (25), bayonets (32) are formed in the inner bottom surfaces of the two guide grooves (31), one sides of the two bayonets (32) penetrate into the round holes (5), the two spring paddles (30) are correspondingly and slidably attached to the inside of the guide grooves (31), and the spring paddles (30) can be clamped in the bayonets (32) to fix the pressing positions of the arc-shaped strips (8).
  4. 4. The hemodialysis fixing device capable of preventing blood leakage according to claim 1, wherein the pressing assembly comprises a rubber sheet (14), a containing cavity (13) is formed in the position, close to the rear side edge, of the bottom of the needle seat (2), the containing cavity (13) is located on the inner side of the foaming rubber ring (12), the rubber sheet (14) is fixed between the inner walls of the containing cavity (13) and close to the bottom edge, an arc-shaped cavity (27) is formed in the needle seat (2), and the bottom of the arc-shaped cavity (27) is communicated with the top of the containing cavity (13).
  5. 5. The hemodialysis fixing device capable of preventing blood leakage according to claim 4, wherein an arc-shaped sealing plate (28) is arranged in the arc-shaped cavity (27) in a sliding and sealing mode, a pressing block (15) is fixed on the upper portion of the arc-shaped sealing plate (28), the upper end of the pressing block (15) stretches into the arc-shaped opening (9), a bottom groove (23) is formed in the bottom of the arc-shaped strip (8), a sliding plate (24) is arranged in the bottom groove (23) in a sliding mode, the lower end of the sliding plate (24) is an arc-shaped surface, and the upper end of the pressing block (15) is an inclined surface and is mutually attached.
  6. 6. The hemodialysis fixing device capable of preventing blood leakage according to claim 5, wherein the induction driving piece comprises a push rod (34), an inner cavity (33) is formed in the arc-shaped strip (8), a piston plate (36) is arranged in the inner cavity (33) in a sliding seal mode, one end of the push rod (34) is connected with the piston plate (36), the other end of the push rod is connected with the sliding plate (24), a super absorbent resin block (37) is arranged in the inner cavity (33), and one end, close to the super absorbent resin block (37), of the inner cavity (33) is communicated with the sponge strip (11) through the joint opening (29).
  7. 7. The hemodialysis fixing device capable of preventing blood leakage according to claim 6, wherein one of the shifting blocks (26) is provided with a joint (29) communicated with an inner cavity (33), a filter plate (38) is fixed in the joint (29), the filter plate (38) is positioned on one side of a super absorbent resin block (37), a front plate (10) is arranged on the front side of the arc-shaped strip (8), a sponge strip (11) is fixed on the front plate (10), and the end part of the sponge strip (11) is clamped into the joint (29).
  8. 8. The hemodialysis fixing device capable of preventing blood leakage according to claim 7, wherein an alarm lamp (3) is arranged at the edge, close to one side, of the top of the needle seat (2), a normally open button (35) is arranged at the edge, close to the other end, of the inner cavity (33), and the normally open button (35) is electrically connected with the alarm lamp (3).
  9. 9. The hemodialysis fixing device capable of preventing blood leakage according to claim 8, wherein the limiting assembly comprises two rubber diaphragms (19), pushing grooves (17) are formed in the inner wall of the other side of the side opening (25) and located below the shifting block (26), cylindrical cavities (18) are formed in the inner bottom surfaces of the pushing grooves (17), the two rubber diaphragms (19) are respectively and hermetically fixed in the two cylindrical cavities (18) and divide the cylindrical cavities (18) into an upper independent cavity and a lower independent cavity, contact blocks (21) are slidably and hermetically arranged in the two pushing grooves (17), and one ends of the tops of the two contact blocks (21) are respectively provided with an inclined surface and extend to the inside of the side opening (25) to form a downward press fit with the shifting block (26).
  10. 10. The hemodialysis fixing device capable of preventing blood leakage according to claim 9, wherein rectangular cavities (16) are formed in inner walls of two sides of the trapezoid groove (6), rectangular blocks (22) are arranged in the rectangular cavities (16) in a sliding sealing mode, flow channels (20) are formed in one side of the bottoms of the two rectangular cavities (16), and the rectangular cavities (16) are communicated with the cylindrical cavity (18) through the flow channels (20).

Description

Hemodialysis fixing device capable of preventing blood leakage Technical Field The invention relates to the technical field of medical equipment, in particular to a hemodialysis fixing device capable of preventing blood leakage. Background Hemodialysis is a common method for treating acute and chronic renal failure, and is to lead out the blood of a patient to the outside of the body, remove harmful substances and excessive moisture in the blood by using dispersion, ultrafiltration and convection principles through a hemodialyzer, and then return the purified blood to the human body so as to achieve the treatment purpose of internal environment balance. In the current hemodialysis patient's dialysis treatment process, in order to keep warm to naked arm, need place the arm of puncture position in the quilt, but the pjncture needle bore is great, often takes place oozing blood and can not be in time found at the puncture position of blood vessel to there is very big medical safety hidden danger. Disclosure of Invention The invention provides a hemodialysis fixing device capable of preventing blood leakage in order to solve the problems existing in the prior art. The hemodialysis fixing device comprises a needle seat, a puncture needle and two binding belts, wherein one ends of the two binding belts are fixed at two ends of the needle seat, a round hole penetrating to the bottom is formed in the top of the needle seat, a trapezoid groove is formed in the position, close to the front side edge, of the top of the needle seat, the rear side of the trapezoid groove is communicated with the round hole, limiting components are arranged on the inner walls of the two sides of the trapezoid groove, an arc-shaped opening is formed in the position, located behind the round hole, of the top of the needle seat, an arc-shaped strip is arranged in the arc-shaped opening, an induction driving piece is arranged in the arc-shaped strip, and a pressing component is arranged at the bottom of the needle seat; Limiting openings are formed in the inner wall of the rear side of the trapezoid groove and close to the edges of the two sides, foam rubber rings are arranged on the periphery of the round hole at the bottom of the needle seat, the needle head of the puncture needle obliquely extends to the rear side of the bottom of the round hole, and the needle handle of the puncture needle is correspondingly clamped in the limiting openings. Preferably, the side openings penetrating through the inside of the arc openings are formed in the inner walls of the two sides of the round hole, a shifting block is arranged between the inner walls of the two sides of the side openings in a sliding mode, and one ends of the shifting blocks are fixed on the arc strips. Preferably, two one side of shifting block is close to bottom edge department and all is fixed with the spring plectrum, two the guide way has all been seted up to one side inner wall of side mouth, two the bayonet socket has all been seted up to the inside bottom surface of guide way, two one side of bayonet socket all runs through to the round hole inside, two the spring plectrum all corresponds the slip laminating inside the guide way, the spring plectrum can block in the bayonet socket, in order to fix the pressing position of arc strip. Preferably, the pressing component comprises a rubber sheet, a storage cavity is formed in the bottom of the needle seat near the rear side edge, the storage cavity is located on the inner side of the foaming rubber ring, the rubber sheet is fixed between the inner walls of the storage cavity and near the bottom edge, an arc-shaped cavity is formed in the inner portion of the needle seat, and the bottom of the arc-shaped cavity is communicated with the top of the storage cavity. Preferably, the sliding seal is equipped with the arc closing plate in the arc chamber, arc closing plate upper portion is fixed with presses the briquetting, presses the briquetting upper end to stretch into the arc mouth, open there is the kerve arc strip bottom, it is equipped with the slide to slide in the kerve, the slide lower extreme is the cambered surface, press the briquetting upper end to be the inclined plane, and the two laminating each other. Preferably, the induction driving piece comprises a push rod, an inner cavity is formed in the arc-shaped strip, a piston plate is arranged in the inner cavity in a sliding sealing mode, one end of the push rod is connected with the piston plate, the other end of the push rod is connected with the sliding plate, a high-hydroscopicity resin block is arranged in the inner cavity, and one end, close to the high-hydroscopicity resin block, of the inner cavity is communicated with the sponge strip through the joint. Preferably, one of the shifting blocks is provided with an engagement port communicated with the inner cavity, a filter plate is fixed in the engagement port, the filter plate is positioned on one side of the supe