Search

CN-120695220-B - Circulation steam sterilization device for cleaning medical consumable

CN120695220BCN 120695220 BCN120695220 BCN 120695220BCN-120695220-B

Abstract

The invention relates to the technical field of sterilization of medical consumables, in particular to a circulating steam sterilization device for cleaning medical consumables, which comprises a sterilization tank, vacuum pumps arranged on the left side and the right side of the sterilization tank, a condenser for recycling steam, and a driving device arranged between the sterilization tank and the condenser. This circulation steam sterilization device that medical supplies washd usefulness, through the chronogenesis coordinated control of swivel mount and exhaust group, form perpendicular and the compound injection mechanism of side direction steam in the sterilization process, when the swivel mount drove the consumptive material and rotate to predetermined angle, trigger the breather pipe and move down and drive and turn over the board rotation, make steam pass through the tube hole and spray laterally when the consumptive material reaches the best position of acting, the funnel-shaped gas pocket of falling produces perpendicular steam flow simultaneously, the two forms three-dimensional penetration type sterilization network in coordination, promote the area of contact of consumptive material and steam, realize full coverage sterilization.

Inventors

  • ZHANG LINGYUN

Assignees

  • 南京洁圣灭菌技术有限公司
  • 新合力(苏州)医疗灭菌有限公司

Dates

Publication Date
20260508
Application Date
20250702

Claims (7)

  1. 1. The circulating steam sterilization device for cleaning medical consumables comprises a sterilization tank, vacuum pumps arranged on the left side and the right side of the sterilization tank and a condenser for recycling steam, and is characterized in that a driving device is further arranged between the sterilization tank and the condenser; the sterilizing tank comprises a tank body for generating steam, a sleeve, a rotating frame arranged in the sleeve and a plurality of exhaust groups regularly distributed on the outer wall of the sleeve, wherein a plurality of side openings are formed in the wall of the inner side of the sleeve; The rotating frame comprises ring teeth driven by the driving device and a plurality of hanging rods arranged on the inner walls of the ring teeth, and the ring teeth drive consumable materials hung on the hanging rods to rotate so as to form dynamic sterilization; The exhaust group comprises a hemispherical ventilating pipe with the top end capable of moving up and down, a square frame moving along with the ventilating pipe, a turning plate rotatably connected in the square frame, shaft teeth clamped at the end shaft of the turning plate and frame teeth arranged on the outer side of the square frame, when the ventilating pipe moves down, a pipe hole and a side hole of the ventilating pipe form a passage, and meanwhile, the frame teeth and the shaft teeth are meshed to drive the turning plate to rotate, so that steam in the tank body is conveyed through the ventilating pipe and then is laterally sprayed to the surface of medical consumables through the pipe hole, and full-coverage sterilization is realized; the driving device comprises a motor and a transmission group for driving the motor power to rotate the ring gear; The driving device also comprises a box body arranged below the motor, an external frame fixedly connected to the outer side of the motor through bolts, a reciprocating screw rod arranged on an output shaft of the motor, a piston plate sleeved on the outer side of the reciprocating screw rod, and a liquid return pipe and a liquid suction pipe respectively clamped and fixed at the left end and the right end of the box body; the reciprocating screw rod is coaxially connected with the motor output shaft, and the bottom end of the reciprocating screw rod is rotationally connected with the bottom surface of the cavity in the box body; The liquid suction pipe and the liquid return pipe are respectively provided with a liquid inlet valve and a liquid outlet valve at the connection part of the box body, the end part of the liquid suction pipe is communicated with the bottom end of the area for storing condensate in the condenser, and the end part of the liquid return pipe is communicated with the position of the tank body close to the top end.
  2. 2. The circulating steam sterilization apparatus for cleaning medical consumables of claim 1, wherein the circular plate on the top surface of the tank body is provided with a plurality of regularly distributed air holes with inverted funnel-shaped cross sections, the top surface of the tank body is provided with a plurality of regularly distributed communication holes on the outer sides of the air holes, the outer side of the barrel opening of the top of the sleeve is integrally formed with a reinforcing ring, the inner part of the sleeve is provided with a barrel opening at the position corresponding to the side openings, the outer wall of the sleeve is provided with a plurality of outer grooves communicated with the barrel opening, the inner wall of the sleeve is provided with inner ring grooves communicated with the tops of the barrel openings, and the positions of the barrel openings are in one-to-one correspondence with the positions of the communication holes.
  3. 3. The circulating steam sterilization apparatus for cleaning medical consumables of claim 1, wherein the sterilization tank further comprises a cover plate fixedly connected to the top surface of the sleeve through bolts, the top surface of the cover plate is fixedly connected with a pressure gauge, a pressure relief valve and a lifting handle through bolts, and a pressure relief valve sleeve on the top surface of the cover plate is arranged at the bottom end of the connecting pipe on the outer side of the condenser.
  4. 4. The circulating steam sterilization apparatus for cleaning medical supplies of claim 1, wherein the rotating frame further comprises a rotating shaft rotatably connected to the top surface of the tank body, two ends of the hanging rod are welded and fixed with the rotating shaft and the inner wall of the ring tooth respectively, and the top surface of the ring tooth is provided with an arc-shaped groove which penetrates up and down in the interval area of the hanging rods.
  5. 5. The circulating steam sterilization apparatus for cleaning medical supplies of claim 2, wherein the exhaust set further comprises a male plate fastened and fixed on the outer side wall of the vent pipe and slidingly connected to the inside of the outer slot, and a spring welded and fixed on the bottom surface of the male plate, and the other end of the spring is welded and fixed on the bottom surface of the slot wall of the outer slot.
  6. 6. The circulating steam sterilization apparatus for cleaning medical consumables of claim 2, wherein the hemispherical body at the top end of the vent pipe extends to the upper part of the opening of the cylinder body, the bottom end of the vent pipe extends to the lower part of the communication hole, the square frame is fixedly clamped with the vent pipe, the turning plate is rotatably connected to the inner wall of the square frame, the shaft teeth are meshed with the square frame teeth, and the square frame teeth are fixedly clamped on the inner top surface of the tank body.
  7. 7. The circulating steam sterilization apparatus for cleaning medical consumables of claim 1, wherein the transmission set comprises two parallel belt pulleys, a synchronous belt sleeved between the two belt pulleys, a rotating shaft rotatably connected to the top surface of the tank body, and driving teeth fixedly connected to the top end of the rotating shaft through a bayonet lock and meshed with the ring teeth, wherein one belt pulley is clamped and fixed on the outer wall of the reciprocating screw rod, and the other belt pulley is clamped and fixed on the outer wall of the rotating shaft.

Description

Circulation steam sterilization device for cleaning medical consumable Technical Field The invention relates to the technical field of sterilization of medical consumables, in particular to a circulating steam sterilization device for cleaning medical consumables. Background The medical consumable steam sterilization device is core equipment for controlling hospital infection, and mainly kills microorganisms through high-temperature saturated steam. The working principle is that a great amount of latent heat is released when the steam is condensed, so that microbial protein is denatured and solidified, the sterilization effect is achieved, the temperature (generally 121-134 ℃) and the pressure and time can be accurately regulated, and various medical consumables such as surgical instruments, dressings and the like are adapted. The patent of application number CN202421427210.4 discloses a high-pressure steam sterilization device, including the sterilization case, outer wall one side fixed mounting of sterilization case has the intake pipe, the top movable mounting of sterilization case has driving motor, the inside of sterilization case is equipped with loading board quantity, the inside movable mounting of sterilization case has the push pedal, the inside fixed mounting of cavity has the guide plate, make it drive the push pedal remove through starting driving motor, and the push pedal is outwards released the loading board, make article be located the sterilization case outer end after steam sterilization, need not personnel and take out article at sterilization incasement portion. However, the traditional device mostly adopts a unidirectional steam jet mode, a three-dimensional sterilization network is difficult to form, the steam coverage rate is insufficient for complex structural instruments such as endoscope tube cavities and operation tools with hinges, the sterilization dead angle frequency is caused, the treatment time is prolonged to more than 45 minutes to achieve the standard sterilization effect, and therefore the energy consumption is increased. In view of this, we propose a cyclic steam sterilization apparatus for cleaning medical consumables. Disclosure of Invention The invention aims to provide a circulating steam sterilization device for cleaning medical consumables, which solves the problems in the prior art by controlling the sequential linkage of a rotating frame and an exhaust group and driving a piston plate to move up and down by a reciprocating screw rod to form a vertical pumping mechanism. In order to achieve the above purpose, the present invention provides the following technical solutions: The circulating steam sterilization device for cleaning medical consumables comprises a sterilization tank, vacuum pumps arranged on the left side and the right side of the sterilization tank, and a condenser for recycling steam, wherein a driving device is arranged between the sterilization tank and the condenser; The sterilizing tank comprises a tank body for generating steam, a sleeve, a rotating frame arranged in the sleeve and a plurality of exhaust groups regularly distributed on the outer wall of the sleeve, wherein a plurality of side holes are formed in the wall of the inner side of the sleeve. This setting lets steam can blow the consumptive material from the side through the side trompil, increases the area of contact of steam and consumptive material. The rotating frame comprises ring teeth driven by the driving device and a plurality of hanging rods arranged on the inner walls of the ring teeth. The ring teeth drive the consumable hanging on the hanging rod to rotate, so that dynamic sterilization is formed. The exhaust group comprises a ventilating pipe with a hemispherical top end and capable of moving up and down, a square frame moving along with the ventilating pipe, a turning plate rotatably connected in the square frame, shaft teeth clamped at the end shaft of the turning plate and frame teeth arranged on the outer side of the square frame. When the vent pipe moves downwards, the pipe hole and the side opening of the vent pipe form a passage, and meanwhile, the frame teeth and the shaft teeth are meshed to drive the turning plate to rotate, so that steam in the tank body is conveyed through the vent pipe and then is laterally sprayed to the surface of medical consumable parts through the pipe hole, and full-coverage sterilization is realized. The driving device comprises a motor and a transmission group for driving the motor power to rotate the ring gear. In the technical scheme of the invention, a plurality of regularly distributed air holes with inverted funnel-shaped cross sections are formed in a circular plate on the top surface of the tank body, a plurality of regularly distributed communication holes are formed in the outer side of the air holes on the top surface of the tank body, a reinforcing ring is integrally formed in the outer side of a barrel opening at the t