Dressing change device for ICU (Intensive Care Unit) pressure injury

Abstract

The invention relates to the technical field of dressing change assistive devices, in particular to a dressing change device for ICU (intensive care unit) pressure injury, which comprises a liquid suction device for sucking wound fester and a medicine smearing device for smearing liquid medicine to a wound, and the liquid suction device comprises a liquid suction cylinder, a liquid suction part arranged in the liquid suction cylinder and a support sleeve; the liquid pumping part comprises a rubber plug matched with the liquid suction barrel in a sleeved mode, a tension spring used for lifting the rubber plug and an elastic pressing piece used for pressing the rubber plug downwards. The elastic pressing piece is extruded to deform through the top of the liquid suction barrel, the rubber plug is extruded to be inserted into the bottom of the liquid suction barrel, automatic suction is carried out when the rubber plug rebounds upwards, suction can be carried out without using an injector to carry out suction through two-hand reverse operation, and secondary injury caused by touching a wound is avoided; the liquid medicine is smeared by grasping the medicine storage tube to be close to a wound, and meanwhile, the medicine storage tube is moved along the telescopic rod, so that the liquid medicine can be smeared for sterilization and disinfection without contacting the wound, and finally, a medical patch is pasted on the wound.

Description

Technical Field

[0001] The present invention relates to the technical field of dressing change auxiliary instruments, and in particular to a dressing change device for ICU pressure injury. Background Art

[0002] Localized damage to the subcutaneous tissue of the skin due to strong or prolonged pressure; usually occurs at bony prominences, under the skin in contact with medical devices or other instruments or objects, manifested as local tissue damage, intact epidermis or open ulcers, which may be accompanied by pain, including skin pressure injuries and mucosal pressure injuries.

[0003] Traditional dressing operation uses a syringe to suck the pus out of the wound, and then uses a cotton swab to apply the liquid medicine. However, using a syringe requires both hands to operate in reverse. In such a multi-directional operation, it is also necessary to get close to the wound, and the operating force is difficult to control stably, which will touch the wound and cause secondary damage and pain. Similarly, cotton swabs touching the wound will also cause damage and pain, and the entire dressing process is slow and time-consuming. Summary of the invention

[0004] In order to overcome the defects in the prior art, the purpose of the present invention is to provide a dressing device for ICU pressure injury to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides a dressing device for ICU pressure injury, comprising an aspirator for sucking pus from a wound and an applicator for applying liquid medicine to a wound, wherein a bracket group is arranged on one side of the aspirator and the applicator; the aspirator comprises a pipette, a liquid extraction part arranged inside the pipette, and a support sleeve for hanging the liquid extraction part; the liquid extraction part comprises a rubber plug matched with the sleeve of the pipette, a tension spring for pulling up the rubber plug, and a spring-pressing sheet for pressing down the rubber plug, wherein the spring-pressing sheet does not squeeze the rubber plug when it is in a natural state, the pipette is rotatably engaged with the support sleeve to push up the spring-pressing sheet and press down the rubber plug to be sleeved into the bottom of the pipette, the pipette is removed to contact pus from the wound, the rubber plug moves upward relative to the pipette under the rebound of the tension spring and the spring-pressing sheet, thereby generating a vacuum in the pipette to suck pus from the wound into it; The medicine applicator comprises a medicine storage tube, a liquid outlet head sleeved at the bottom of the medicine storage tube, a volume adjustment group arranged inside the liquid outlet head and adjusting the size of the liquid outlet, and a hanging ring for hanging the medicine storage tube; the bottom of the hanging ring is elastically connected to a sealing cap for sealing the top of the medicine storage tube, the volume adjustment group comprises an adjustment block with a proportionally reduced size and sleeved inside the liquid outlet head, and a threaded sleeve threadedly connected to the outer wall of the bottom of the medicine storage tube and used to control the gap between the adjustment block and the liquid outlet head; The bracket group comprises a telescopic frame and a telescopic rod sleeved on the side of the telescopic frame; the support sleeve and the lifting ring are both sleeved and slidably connected with the telescopic rod.

[0006] As a further improvement of the technical solution, a concave hole is opened in the center of the bottom of the support sleeve, the top circle of the tension spring is tightly fitted with the inner wall of the top of the concave hole, and the bottom of the tension spring is tightly fitted with the top of the rubber plug.

[0007] As a further improvement of the present technical solution, through grooves are symmetrically provided on both sides of the top of the recessed hole, and the through grooves are inverted L-shaped and pass through the bottom end surface of the support sleeve. The spring pressure sheet is made of spring steel in a U-shaped sheet and has bent sections on the outer sides of both ends. The U-shaped bottom of the spring pressure sheet is placed inside the tension spring and overlapped on the top of the rubber plug. The bent section is vertically arranged and passes through the through grooves. In the natural state, the length of the bent section is greater than the length of the U-shaped section of the spring pressure sheet.

[0008] As a further improvement of the present technical solution, L-shaped support blocks are symmetrically provided at the edge of the bottom surface of the support sleeve, and the support blocks are arranged opposite to the front side of the vertical groove of the through-groove, and do not extend to the range directly below the through-groove; clamping blocks rotatably engaged with a pair of support blocks are symmetrically provided on both sides of the top of the pipette cylinder, and top blocks for the bottom end of the upper bending section are provided on different sides of the two clamping blocks, and the top blocks do not contact the support blocks.

[0009] As a further improvement of the present technical solution, the bottom end of the pipette cylinder has a reduced diameter and is provided with a suction nozzle, the inner side surface of the support block is an arc surface and is arranged coaxially with the concave hole, the clamping block and the top block are both arc blocks and are arranged coaxially with the pipette cylinder, and the outer diameter of a pair of top blocks is smaller than the diameter between the inner side surfaces of a pair of horizontal sections of the support blocks.

[0010] As a further improvement of the present technical solution, the lower end of the liquid outlet head is narrow and the upper end is wide, and a socket is symmetrically provided in the middle of the upper end of the liquid outlet head. The top of the adjusting block is an arc surface and symmetrically and vertically embedded with plugs, and the plugs are plugged and slid in the socket. A pair of connecting blocks are tightly clamped on the tops of the plugs, and a through hole is provided in the center of the connecting block, and the through hole is sleeved on the bottom side wall of the threaded sleeve.

[0011] As a further improvement of the present technical solution, a threaded section is provided on the bottom outer wall of the medicine storage tube, the threaded sleeve is threadedly connected to the threaded section, and a ring groove is provided on the bottom side wall of the threaded sleeve for clamping with the connecting block; a hanging tube is provided at the bottom of the hanging ring, a hanging spring is bonded to the top of the hanging tube, the bottom of the hanging spring is tightly fitted with a boss provided on the top of the cover, and the cover is threadedly connected to the top of the medicine storage tube.

[0012] As a further improvement of the present technical solution, the telescopic frame is composed of a hollow frame and a bracket, the telescopic rod is plugged and slid into the through hole opened in the top side wall of the hollow frame; a through hole is opened in the bottom side wall of the hollow frame, the bracket is L-shaped and its vertical section is opened with a vertically extending slide groove, the through hole and the slide groove are arranged correspondingly, and the inner diameter of the through hole is larger than the inner width of the slide groove; a pre-tightening column is inserted in the through hole, the pre-tightening column is a stepped shaft structure and the side wall of its thin section is symmetrically provided with sliders, a pair of the sliders are clamped and slidably connected with the slide groove, and the outer end of the thin section of the pre-tightening column is threadedly connected with a pre-tightening ring.

[0013] As a further improvement of the present technical solution, a positioning rod is symmetrically hinged on the outer side of the bottom of the vertical section of the bracket, a slide is provided on the top surface of the horizontal section of the bottom of the bracket, the longitudinal section of the slide is T-shaped and a limit pin is embedded in the narrow side wall facing the outer end, a liquid collecting box is clamped on the horizontal section of the bottom of the bracket, a sliding cavity clamped with the slide is provided on the center line of the bottom surface of the liquid collecting box, and a limit block is embedded in the inner end side wall of the sliding cavity, and a pair of limit blocks are clamped and slid with the narrow section of the slide.

[0014] As a further improvement of the technical solution, a liquid absorbing pad is clamped on the top of the liquid collecting box, the size of the liquid absorbing pad is larger than the size of the liquid collecting box, and the liquid absorbing pad is made of absorbent sponge.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The dressing device for ICU pressure injury supports the pipette through the support group, and the top of the pipette is squeezed to deform the spring-pressing sheet, and the rubber plug is squeezed into the bottom of the pipette. When the rubber plug rebounds upward, automatic suction is performed, that is, only the pipette needs to be held firmly and aimed at the pus of the wound; there is no need to use both hands to reversely operate for suction like using a syringe, so as to avoid touching the wound and causing secondary injury.

[0016] 2. The dressing device for ICU pressure injury supports the applicator through the support group, then grasps the medicine storage tube close to the wound to apply the medicine liquid, and then drives the adjustment block to move close to or away from the bottom port of the liquid outlet head by rotating the threaded sleeve, and adjusts the size of the gap so that the overflow of the medicine liquid can be controlled. At the same time, the medicine storage tube is moved along the telescopic rod, so that the medicine liquid can be applied for sterilization and disinfection without touching the wound, and finally the medical patch is applied on the wound.

[0017] 3. The dressing device for ICU pressure injury has a liquid collection box and a liquid absorption pad, and the liquid collection box is slid so that the liquid absorption pad is pressed against the skin below the wound to intercept the liquid medicine and avoid contaminating the bed sheets or clothes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the various components in the figures are only schematic, used to help understand the present invention, and are not specifically limited to the shapes and proportional dimensions of the various components of the present invention. Those skilled in the art can select various possible shapes and proportional dimensions to implement the present invention according to the teachings of the present invention.

[0019] Figure 1 It is a schematic diagram of the overall assembly structure of the present invention.

[0020] Figure 2 The figure is a disassembled diagram of the pipette assembly of the present invention.

[0021] Figure 3 It is a schematic diagram of the assembly structure of the liquid pumping part of the present invention.

[0022] Figure 4 It is a schematic diagram of the full cross-section structure of the support sleeve of the present invention.

[0023] Figure 5 It is a disassembled diagram of the assembly of the liquid pipette and the liquid extraction part of the present invention.

[0024] Figure 6 It is a schematic diagram of the assembly structure of the applicator of the present invention.

[0025] Figure 7 It is a partial exploded view of the applicator of the present invention.

[0026] Figure 8 This is a diagram for splitting the adjustment group of the present invention.

[0027] Fig. 9 This is a disassembled diagram of the bracket assembly of the present invention.

[0028] Fig.10 This is a disassembled diagram of the liquid collecting box of the present invention.

[0029] The meaning of each number in the figure is: 100, a liquid pipette; 110, a liquid pipette; 111, a clamping block; 1111, a top block; 112, a nozzle; 120, liquid extraction part; 121, rubber plug; 122, tension spring; 123, spring-pressing sheet; 1231, bending section; 130, support sleeve; 131, concave hole; 132, through groove; 133, support block; 200, applicator; 210, medicine storage tube; 211, liquid outlet; 212, plug hole; 213, threaded section; 220, volume adjustment group; 221, adjustment block; 2211, plug column; 2212, connecting block; 222, threaded sleeve; 2221, ring groove; 230, lifting ring; 231, lifting tube; 232, cover; 233, lifting spring; 300, bracket assembly; 310, telescopic frame; 311, hollow frame; 3111, perforation; 312, bracket; 3121, slide groove; 3122, slide; 3123, limit pin; 313, preload column; 3131, slider; 314, preload ring; 315, positioning rod; 320, telescopic rod; 330, liquid collection box; 331, slide cavity; 332, limit block; 340, liquid absorption pad. DETAILED DESCRIPTION

[0030] The details of the present invention can be more clearly understood by combining the accompanying drawings with the description of the specific embodiments of the present invention. However, the specific embodiments of the present invention described herein are only used for the purpose of explaining the present invention and cannot be understood as limiting the present invention in any way. Under the guidance of the present invention, technicians can conceive of any possible variations based on the present invention, which should be regarded as falling within the scope of the present invention. The terms "installation" and "connection" should be understood in a broad sense, which can be directly connected or indirectly connected through an intermediate medium.

[0031] The terms "central axis", "vertical", "horizontal", "front", "back", "up", "down", "left", "right", "top", "bottom", "inside", "outside" and the like used herein to indicate positions or positional relationships are based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0032] See also Figure 1-Figure 10 As shown, the present invention provides a dressing device for ICU pressure injury, including an aspirator 100 for sucking pus from a wound and an applicator 200 for applying liquid medicine to a wound, and a bracket group 300 is arranged on one side of the aspirator 100 and the applicator 200; the pressure injury is manifested as local tissue damage, intact epidermis or open ulcer, that is, accompanied by the growth of pus from the wound; the aspirator 100 and the applicator 200 are supported by the bracket group 300 to be stably suspended above the wound, and the pus from the wound is sucked first and then the liquid medicine is applied in a non-contact manner; The liquid pipette 100 includes a liquid pipette 110, a liquid extraction part 120 disposed inside the liquid pipette 110, and a support sleeve 130 for suspending the liquid extraction part 120; the liquid extraction part 120 includes a rubber plug 121 sleeved with the liquid pipette 110, a tension spring 122 for lifting the rubber plug 121, and a spring-pressing sheet 123 for pressing the rubber plug 121 downward, and the spring-pressing sheet 123 does not squeeze the rubber plug 121 when it is in a natural state, and the rubber plug 121 is placed at the bottom of the support sleeve 130; the liquid pipette 110 and the support sleeve 130 rotate The elastic sheet 123 is pushed upward by the clamping connection, and the rubber plug 121 is pressed downward to be inserted into the bottom of the liquid suction cylinder 110. The elastic sheet 123 is deformed by squeezing the top of the liquid suction cylinder 110, and the rubber plug 121 is squeezed to insert into the bottom of the liquid suction cylinder 110. When the rubber plug 121 rebounds upward, automatic suction is performed, that is, only the liquid suction cylinder 110 needs to be held firmly and aimed at the pus of the wound; there is no need to use both hands to reversely operate suction like using a syringe, so as to avoid touching the wound and causing secondary damage; wherein the support sleeve 130 is made of PP material and is made into an integrally formed structure; The pipette 110 is removed from the bottom of the supporting sleeve 130 to contact the pus in the wound. The rubber plug 121 moves upward relative to the pipette 110 under the rebound of the tension spring 122 and the elastic pressure sheet 123, thereby generating a vacuum in the pipette 110 to suck the pus in the wound into the pipette. The pipette 110 is unplugged, poured out and cleaned, and can be used again.

[0033] Specifically, the applicator 200 includes a drug storage tube 210, a liquid outlet head 211 sleeved at the bottom of the drug storage tube 210, a volume adjustment group 220 arranged inside the liquid outlet head 211 and adjusting the size of the liquid outlet, and a hanging ring 230 for hanging the drug storage tube 210; the bottom of the hanging ring 230 is elastically connected with a sealing cover 232 for sealing the top of the drug storage tube 210, so that when the drug storage tube 210 is grasped close to the wound to apply the drug solution, the height can be finely adjusted; the drug storage tube 210, the liquid outlet head 211, and the hanging ring 230 are all made of PP material; The volume adjustment group 220 includes an adjustment block 221 which is proportionally reduced in size and sleeved inside the liquid outlet head 211, and a threaded sleeve 222 which is threadedly connected to the outer wall of the bottom of the medicine storage tube 210 and is used to control the gap between the adjustment block 221 and the liquid outlet head 211; by rotating the threaded sleeve 222 to move axially along the medicine storage tube 210, the adjustment block 221 is driven to approach or move away from the bottom port of the liquid outlet head 211, and the size of the gap is adjusted, so that the overflow of the liquid medicine can be controlled, and at the same time, the liquid medicine can be applied for sterilization and disinfection without touching the wound.

[0034] Furthermore, the support assembly 300 includes a telescopic frame 310 and a telescopic rod 320 sleeved on the side of the telescopic frame 310; the telescopic frame 310 is placed on the bed and held immovably by both arms, and then the aspirator 100 and the applicator 200 are grasped for stable operation; the support sleeve 130 and the hanging ring 230 are both sleeved and slid with the telescopic rod 320, and the telescopic rod 320 is pointed in the longest direction of the wound and centered, so that the aspirator 110 and the drug storage tube 210 can move along the direction of the wound to change the dressing, and finally the medical patch is applied to the wound; Furthermore, a concave hole 131 is provided at the bottom center of the support sleeve 130, and the top circle of the tension spring 122 is tightly sleeved with the inner wall of the top of the concave hole 131, and the bottom of the tension spring 122 is tightly sleeved with the top of the rubber plug 121, so that the tension spring 122 suspends the rubber plug 121 for movement; through grooves 132 are symmetrically provided on both sides of the top of the concave hole 131, and the through grooves 132 are inverted L-shaped and penetrate the bottom end surface of the support sleeve 130, and the spring-pressing sheet 123 is made of spring steel and is in a U-shaped sheet shape, and the outer sides of the two ends are bent and provided with bending sections 1231, the U-shaped bottom of the spring-pressing sheet 123 is placed inside the tension spring 122 and overlapped on the top of the rubber plug 121, and the bent section 1231 is vertically arranged and passes through the through groove 132; in a natural state, the length of the bent section 1231 is greater than the length of the U-shaped section of the spring-pressing sheet 123; that is, the top of the pipette cylinder 110 is used to press the bent section 1231 to move and deform along the through groove 132, so that the U-shaped section descends, and then the rubber plug 121 is pressed down to be inserted into the bottom of the rising pipette cylinder 110, thereby forming a state before suction.

[0035] Furthermore, an L-shaped support block 133 is symmetrically provided at the bottom edge of the support sleeve 130, and the support block 133 is arranged opposite to the front side of the vertical groove of the through groove 132, and does not extend to the range directly below the through groove 132, that is, it is prevented that the bending section 1231 passes through the through groove 132. Blocks 111 that are rotatably engaged with a pair of support blocks 133 are symmetrically provided on both sides of the top of the liquid pipette cylinder 110, so that the liquid pipette cylinder 110 and the support sleeve 130 are connected as a whole; the two blocks 111 are not A top block 1111 is provided on the same side for pushing up the bottom end of the bent section 1231. The top block 1111 does not contact the supporting block 133, so that the top block 1111 pushes the bent section 1231 to enter the through groove 132, and at the same time, the clamping block 111 is placed on one side of the supporting block 133, and then the pipette cylinder 110 is rotated to make the clamping block 111 clamped in the supporting block 133 to fix the pipette cylinder 110 to the bottom of the supporting sleeve 130; the pipette cylinder 110 is made of PP material and is made into an integrally formed structure.

[0036] Furthermore, the bottom end of the pipette cylinder 110 has a reduced diameter and is provided with a suction nozzle 112, the inner side surface of the support block 133 is an arc surface and is arranged coaxially with the recessed hole 131, the clamping block 111 and the top block 1111 are both arc blocks and are arranged coaxially with the pipette cylinder 110, the outer diameter of a pair of top blocks 1111 is smaller than the diameter between the inner sides of the horizontal sections of a pair of support blocks 133, so that a pair of top blocks 1111 are placed between a pair of support blocks 133, that is, the top block 1111 is first used to push the bending section 1231, and then the pipette cylinder 110 is rotated to transition to the clamping block 111, and the clamping block 111 is engaged with the support block 133 to complete the limited sealing of the bending section 1231.

[0037] Furthermore, the lower end of the liquid outlet head 211 is narrow and the upper end is wide, and a plug hole 212 is symmetrically opened in the middle of the upper end of the liquid outlet head 211. The top of the adjustment block 221 is an arc surface and symmetrically vertically embedded with plug posts 2211. The plug posts 2211 are plugged and slid with the plug hole 212. A pair of plug posts 2211 are tightly clamped with a connecting block 2212 on the top. A through hole is opened in the center of the connecting block 2212, and the through hole is sleeved with the bottom side wall of the threaded sleeve 222. The bottom outer wall of the medicine storage tube 210 is provided with a threaded section 213, and the threaded sleeve 222 is threadedly connected to the threaded section 213. The bottom side wall of the threaded sleeve 222 is provided with an annular groove 2221 that is engaged with the connecting block 2212; that is, the rotating threaded sleeve 222 controls the adjustment block 221 to rise and fall inside the liquid outlet head 211 to adjust the liquid outlet gap.

[0038] Furthermore, a hanging tube 231 is provided at the bottom of the hanging ring 230, and a hanging spring 233 is bonded to the top of the hanging tube 231. The bottom of the hanging spring 233 is tightly fitted with a boss provided on the top of the cover 232, and the cover 232 is threadedly connected to the top of the medicine storage tube 210; the medicine solution can be injected by removing the medicine storage tube 210 from the cover 232, and the height can be fine-tuned by pulling down the medicine storage tube 210 so that the medicine can be applied close to the wound.

[0039] Specifically, the telescopic frame 310 is composed of a hollow frame 311 and a bracket 312, and is made of PP material; the telescopic frame 310 is height-adjustable so that the aspirator 100 and the applicator 200 can be quickly lowered to the top of the wound and close to it; the telescopic rod 320 is plugged and slidably connected with the through hole opened on the top side wall of the hollow frame 311, so that the aspirator 100 and the applicator 200 can move horizontally above the wound to treat the entire wound area; The bottom side wall of the hollow frame 311 is provided with a through hole 3111, the bracket 312 is L-shaped and its vertical section is provided with a vertically extending slide groove 3121, the through hole 3111 and the slide groove 3121 are arranged correspondingly, and the inner diameter of the through hole 3111 is larger than the inner width of the slide groove 3121; a pre-tightening column 313 is inserted into the through hole 3111, the pre-tightening column 313 is a stepped shaft structure and the thin side wall thereof is symmetrically provided with a slider 3131, a pair of sliders 3131 are engaged and slidably engaged with the slide groove 3121, so as to A limiting state is formed to prevent the pre-tightening column 313 from rotating. The outer end of the thin section of the pre-tightening column 313 is threadedly connected with a pre-tightening ring 314. The outer end side wall of the thin section of the pre-tightening column 313 is provided with an external thread, and the inner side of the pre-tightening ring 314 is provided with an internal thread for threaded connection. The pre-tightening ring 314 is rotated to squeeze onto the surface of the hollow frame 311, and the thick section of the pre-tightening column 313 is driven to squeeze into the slide groove 3121 to form a pre-tightening state, so that the relative position of the hollow frame 311 and the bracket 312 is fixed, that is, a stable support height is obtained.

[0040] Furthermore, a positioning rod 315 is symmetrically hinged on the outer side of the bottom of the vertical section of the bracket 312, and the medical staff fixes the telescopic frame 310 as a whole on the bed by pressing the positioning rod 315 with both arms; a slide 3122 is provided on the top surface of the horizontal section at the bottom of the bracket 312, and the slide 3122 has a T-shaped longitudinal section and a limit pin 3123 is embedded in the narrow side wall facing the outer end, and a liquid collecting box 330 is clamped on the horizontal section at the bottom of the bracket 312 to collect the flowing liquid medicine to avoid contaminating the bed sheets or clothes; a sliding cavity 331 is provided on the midline of the bottom surface of the liquid collecting box 330, which is clamped with the slide 3122, and a limit block 332 is embedded in the inner end side wall of the slide cavity 331, and a pair of limit blocks 332 are clamped and slid with the narrow section of the slide 3122, so that the liquid collecting box 330 is restricted to slide on the horizontal section at the bottom of the bracket 312; The top of the liquid collecting box 330 is clamped with a liquid absorbing pad 340, which is larger than the size of the liquid collecting box 330 and is made of absorbent sponge. The liquid collecting box 330 is slid to make the liquid absorbing pad 340 rest against the skin below the wound to retain the liquid medicine.

[0041] When the dressing device for ICU pressure injury of the present invention is used, the telescopic frame 310 is placed on the bed and close to the wound, and the telescopic rod 320 is directed to the length direction of the wound; then a pair of positioning rods 315 are unfolded and pressed with both arms; then the liquid suction cylinder 110 is grasped and removed from the supporting sleeve 130 and contacts the pus in the wound, the elastic sheet 123 loses resistance and resets, the bent section 1231 extends from the through groove 132, and the U-shaped part of the elastic sheet 123 moves up without pressing the rubber plug 121, then the rubber plug 121 moves up relative to the liquid suction cylinder 110 under the rebound of the tension spring 122, and at the same time, the liquid suction cylinder 110 is moved along the telescopic rod 320, thereby generating a vacuum in the liquid suction cylinder 110 to suck the pus in the wound; the liquid suction cylinder 110 is unplugged, poured out and cleaned, and can be used again; Next, grasp the medicine storage tube 210 and bring it close to the wound to apply the medicine liquid. Then, by rotating the threaded sleeve 222 to move axially along the medicine storage tube 210, the adjustment block 221 is driven to move close to or away from the bottom port of the liquid outlet head 211, and the size of the gap is adjusted to control the amount of medicine liquid overflow. At the same time, the medicine storage tube 210 is moved along the telescopic rod 320, so that the medicine liquid can be applied for sterilization and disinfection without touching the wound. Finally, a medical patch can be applied to the wound.

[0042] It should be noted that the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A dressing device for ICU pressure injury, characterized in that: The invention comprises a liquid aspirator (100) for aspirating pus from a wound and a medicine applicator (200) for applying medicine to a wound, wherein a support assembly (300) is provided on one side of the liquid aspirator (100) and the medicine applicator (200); the liquid aspirator (100) comprises a liquid aspirator cylinder (110), a liquid extraction unit (120) arranged inside the liquid aspirator cylinder (110), and a support sleeve (130) for suspending the liquid extraction unit (120); the liquid extraction unit (120) comprises a rubber plug (121) sleeved with the liquid aspirator cylinder (110), a tension spring (122) for pulling up the rubber plug (121), and a support sleeve (130) for suspending the liquid extraction unit (120). ) and a spring-pressing sheet (123) for pressing down the rubber plug (121); when the spring-pressing sheet (123) is in a natural state, the rubber plug (121) is not squeezed; the liquid suction tube (110) and the support sleeve (130) are rotatably engaged to push up the spring-pressing sheet (123) and press down the rubber plug (121) to be inserted into the bottom of the liquid suction tube (110); the liquid suction tube (110) is removed to contact the pus in the wound; the rubber plug (121) moves upward relative to the liquid suction tube (110) under the rebound of the tension spring (122) and the spring-pressing sheet (123), thereby generating a vacuum in the liquid suction tube (110) to suck the pus in the wound into the tube; The medicine applicator (200) comprises a medicine storage tube (210), a liquid discharge head (211) sleeved on the bottom of the medicine storage tube (210), a volume adjustment group (220) arranged inside the liquid discharge head (211) and adjusting the size of the liquid discharge port, and a hanging ring (230) for hanging the medicine storage tube (210); the bottom of the hanging ring (230) is elastically connected to a sealing cover (232) for sealing the top of the medicine storage tube (210); the volume adjustment group (220) comprises an adjustment block (221) with a proportionally reduced size and sleeved on the inside of the liquid discharge head (211), and a threaded sleeve (222) threadedly connected to the outer wall of the bottom of the medicine storage tube (210) and used to control the gap between the adjustment block (221) and the liquid discharge head (211); The support assembly (300) comprises a telescopic frame (310) and a telescopic rod (320) sleeved on the side of the telescopic frame (310); the support sleeve (130) and the lifting ring (230) are both sleeved and slidably connected to the telescopic rod (320).

2. The dressing device for ICU pressure injury according to claim 1, characterized in that: A concave hole (131) is provided at the center of the bottom of the support sleeve (130), the top circle of the tension spring (122) is tightly sleeved with the inner wall of the top of the concave hole (131), and the bottom of the tension spring (122) is tightly sleeved with the top of the rubber plug (121).

3. The dressing device for ICU pressure injury according to claim 2, characterized in that: The top of the concave hole (131) is symmetrically provided with through grooves (132), and the through grooves (132) are in an inverted L-shape and penetrate the bottom end surface of the support sleeve (130). The spring-pressing sheet (123) is made of spring steel and is in a U-shaped sheet shape. The outer sides of the two ends are bent to form a bending section (1231). The U-shaped bottom of the spring-pressing sheet (123) is placed inside the tension spring (122) and overlapped on the top of the rubber plug (121). The bending section (1231) is vertically arranged and passes through the through grooves (132). In a natural state, the length of the bending section (1231) is greater than the length of the U-shaped section of the spring-pressing sheet (123).

4. The dressing device for ICU pressure injury according to claim 3, characterized in that: An L-shaped support block (133) is symmetrically provided at the bottom edge of the support sleeve (130), and the support block (133) is arranged opposite to the front side of the vertical groove of the through groove (132) and does not extend to the range directly below the through groove (132); clamping blocks (111) rotatably engaged with a pair of support blocks (133) are symmetrically provided on both sides of the top of the liquid pipette (110), and a top block (1111) for supporting the bottom end of the upper bending section (1231) is provided on different sides of the two clamping blocks (111), and the top block (1111) does not contact the support block (133).

5. The dressing device for ICU pressure injury according to claim 4, characterized in that: The bottom end of the pipette cylinder (110) is narrowed to be provided with a suction nozzle (112); the inner side surface of the support block (133) is an arc surface and is arranged coaxially with the concave hole (131); the clamping block (111) and the top block (1111) are both arc blocks and are arranged coaxially with the pipette cylinder (110); and the outer diameter of the pair of top blocks (1111) is smaller than the diameter between the inner side surfaces of the horizontal sections of the pair of support blocks (133).

6. The dressing device for ICU pressure injury according to claim 5, characterized in that: The lower end of the liquid outlet head (211) is narrow and the upper end is wide; a plug hole (212) is symmetrically provided in the middle of the upper end of the liquid outlet head (211); the top of the adjustment block (221) is in the form of an arc surface and is symmetrically and vertically embedded with plug posts (2211); the plug posts (2211) are plugged and slidably connected with the plug hole (212); a pair of plug posts (2211) are tightly connected with a connecting block (2212) at the top; a through hole is provided in the center of the connecting block (2212) and the through hole is sleeved with the bottom side wall of the threaded sleeve (222).

7. The dressing device for ICU pressure injury according to claim 6, characterized in that: The outer wall of the bottom of the medicine storage tube (210) is provided with a threaded section (213), the threaded sleeve (222) is threadedly connected to the threaded section (213), and the bottom side wall of the threaded sleeve (222) is provided with an annular groove (2221) that is clamped with the connecting block (2212); the bottom of the hanging ring (230) is provided with a hanging tube (231), the top end of the hanging tube (231) is bonded with a hanging spring (233), the bottom of the hanging spring (233) is tightly sleeved with a boss provided on the top of the sealing cover (232), and the sealing cover (232) is threadedly connected to the top of the medicine storage tube (210).

8. The dressing device for ICU pressure injury according to claim 7, characterized in that: The telescopic frame (310) is composed of a hollow frame (311) and a bracket (312) which are sleeved together. The telescopic rod (320) is plugged and slidably connected with a through hole provided in the top side wall of the hollow frame (311). A through hole (3111) is provided in the bottom side wall of the hollow frame (311). The bracket (312) is L-shaped and a vertically extending slide groove (3121) is provided in its vertical section. The through hole (3111) and the slide groove (3121) are aligned with each other. It should be set, and the inner diameter of the through hole (3111) is larger than the inner width of the slide groove (3121); a pre-tightening column (313) is inserted into the through hole (3111), the pre-tightening column (313) is a stepped shaft structure and the side wall of its thin section is symmetrically provided with sliders (3131), a pair of sliders (3131) are slidably engaged with the slide groove (3121), and the outer end of the thin section of the pre-tightening column (313) is threadedly connected with a pre-tightening ring (314).

9. The dressing device for ICU pressure injury according to claim 8, characterized in that: A positioning rod (315) is symmetrically hinged on the outer side of the bottom of the vertical section of the bracket (312); a slide (3122) is provided on the top surface of the horizontal section of the bottom of the bracket (312); the slide (3122) has a T-shaped longitudinal section and a limit pin (3123) is embedded in the narrow side wall facing the outer end; a liquid collecting box (330) is clamped on the horizontal section of the bottom of the bracket (312); a sliding cavity (331) clamped with the slide (3122) is provided on the midline of the bottom surface of the liquid collecting box (330); a limit block (332) is embedded in the inner side wall of the sliding cavity (331); a pair of limit blocks (332) are clamped and slidably connected with the narrow section of the slide (3122).

10. The dressing device for ICU pressure injury according to claim 9, characterized in that: A liquid absorbing pad (340) is clamped on the top end of the liquid collecting box (330); the size of the liquid absorbing pad (340) is larger than the size of the liquid collecting box (330); and the liquid absorbing pad (340) is made of a water-absorbing sponge.

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