CN115006620A - Portable negative pressure suction device for wound treatment in burn and plastic surgery - Google Patents

Portable negative pressure suction device for wound treatment in burn and plastic surgery Download PDF

Info

Publication number
CN115006620A
CN115006620A CN202210639533.9A CN202210639533A CN115006620A CN 115006620 A CN115006620 A CN 115006620A CN 202210639533 A CN202210639533 A CN 202210639533A CN 115006620 A CN115006620 A CN 115006620A
Authority
CN
China
Prior art keywords
negative pressure
burn
sprocket
plastic surgery
suction device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202210639533.9A
Other languages
Chinese (zh)
Inventor
贾振华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou University Third Affiliated Hospital Henan Maternity and Child Health Care Hospital
Original Assignee
Zhengzhou University Third Affiliated Hospital Henan Maternity and Child Health Care Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou University Third Affiliated Hospital Henan Maternity and Child Health Care Hospital filed Critical Zhengzhou University Third Affiliated Hospital Henan Maternity and Child Health Care Hospital
Priority to CN202210639533.9A priority Critical patent/CN115006620A/en
Publication of CN115006620A publication Critical patent/CN115006620A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/96Suction control thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/98Containers specifically adapted for negative pressure wound therapy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/04Liquids
    • A61M2202/0413Blood
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention relates to a portable negative pressure suction device for treating a wound surface in burn and plastic surgery, which comprises a base, wherein a negative pressure component is arranged on the base, two one-way valves communicated with the negative pressure component are symmetrically arranged on the negative pressure component, one of the one-way valves is connected with a carrying tank arranged on the base, the other one-way valve is connected with a suction head, an installation plate is fixedly arranged on the negative pressure component, the installation plate is provided with a driving device, an output shaft of the driving device is connected with a lower pressure component arranged on the installation plate, a pulley is rotatably arranged on the lower pressure component and is matched with a trigger piece arranged on the negative pressure component, an adjusting component is also arranged on the installation plate, a tensioning chain wheel is rotatably arranged on the adjusting component and is in rolling connection with the lower pressure component, and the tensioning chain wheel is connected with a sleeve piece arranged on the negative pressure component, the negative pressure intensity is adjustable, and secondary injury to the wound of a patient is avoided.

Description

Portable negative pressure suction device for wound treatment in burn and plastic surgery
Technical Field
The invention relates to a wider range, in particular to a portable negative pressure suction device for treating a wound surface in burn plastic surgery.
Background
Drainage is a surgical means for establishing an open channel between a certain part of an organism and other parts of the organism or between the certain part of the organism and the outside to achieve the purpose of treatment, is an important component in surgical treatment and is one of basic operations of surgical operation; when a certain part of a patient body is burnt, harmful substances such as purulent effusion, necrotic tissues, foreign bodies, abnormally accumulated blood and digestive juice and the like in a body cavity, an organ or a tissue need to be discharged in time so as to reduce pressure to eliminate the dead cavity, eliminate inflammatory stimulation to the body, change the biological environment of an infected part, relieve the inflammatory reaction of the body, inhibit local bacterial reproduction, prevent infection diffusion and promote inflammation regression.
However, the negative pressure intensity of the existing negative pressure suction device for treating the burn wound surface is difficult to adjust, so that the negative pressure with specific intensity can be generated when the burn wound surface is burnt in different degrees, and secondary damage is easily caused to the wound surface of a patient.
Disclosure of Invention
The present invention is directed to a portable vacuum suction device for treating a wound surface in burn and plastic surgery to solve the above problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme:
a portable negative pressure suction device for burn plastic surgery wound treatment, comprising:
the base, install the negative pressure subassembly on the base, the symmetry is provided with two check valves that switch on with it on the negative pressure subassembly, one of them the check valve is connected and is set up accept jar on the base, another the suction head is connected to the check valve, fixed mounting has the mounting panel on the negative pressure subassembly, the mounting panel is provided with drive arrangement, drive arrangement's output shaft and setting are in push down the subassembly on the mounting panel and connect, it installs the pulley to rotate on the push down the subassembly, the pulley is in with the setting trigger part adaptation on the negative pressure subassembly still is provided with adjusting part on the mounting panel, the last rotation of adjusting part installs tensioning sprocket, tensioning sprocket with push down subassembly roll connection, just tensioning sprocket connects the setting and is in the last pressure release external member of negative pressure subassembly.
As a further scheme of the invention: the negative pressure subassembly includes fixed mounting and is in negative pressure cavity on the base, negative pressure cavity internal seal slides and is provided with the piston dish, fixed mounting has perpendicularly and runs through with it on the piston dish the telescopic link of negative pressure cavity, the telescopic link is kept away from the one end of piston dish with the trigger part is connected, just the cover is equipped with a spring on the telescopic link, the one end of a spring with the piston dish is connected, the other end with the interior wall connection of negative pressure cavity.
As a still further scheme of the invention: two grooves are symmetrically arranged at two ends of the telescopic rod, and the grooves are matched with protrusions arranged on the negative pressure chamber.
As a still further scheme of the invention: the push down the subassembly including offering spout on the mounting panel, it is provided with the slider No. one to slide in the spout, rotate on the slider and install driven sprocket, still install on the mounting panel with drive arrangement's output shaft's drive sprocket, drive sprocket with the cover is equipped with the driving chain between the driven sprocket, be provided with on the driving chain the pulley.
As a still further scheme of the invention: a slider with connect through elastic component between the mounting panel, elastic component is including installing No. two pole settings on the mounting panel, No. two pole settings with install protruding portion sliding connection on the slider, just the cover is equipped with No. three springs in No. two pole settings, the one end of No. three springs with the protruding portion is connected, the other end with the end connection of No. two pole settings.
As a still further scheme of the invention: the adjusting part is including seting up No. two spouts on the mounting panel, it is provided with the slider No. two to slide in No. two spouts, No. two sliders with the tensioning sprocket rotates to be connected, just fixed mounting has the screw thread sleeve on No. two sliders, the screw thread sleeve is installed with the rotation lead screw thread fit on the mounting panel.
As a still further scheme of the invention: the pressure release external member include with the connecting piece that the suction head is connected and switches on, the upper portion of connecting piece is provided with the installation cavity, be provided with block structure in the installation cavity, block structure pass through the bracing piece with tension sprocket connects, the one end of bracing piece with tension sprocket's the coaxial rotation of pivot is connected, the other end with block structure rotates and is connected.
As a still further scheme of the invention: the plugging structure is including installing plugging plate in the installation cavity, fixed mounting has a pole setting on the plugging plate, the cover is equipped with the lift piece in the pole setting, the lift piece with the bracing piece rotates to be connected, it is equipped with No. two springs still to overlap in the pole setting, the one end of No. two springs with the interior wall connection of installation cavity, the other end with the lift piece is connected.
Compared with the prior art, the invention has the beneficial effects that:
the negative pressure suction device is novel in design, when the negative pressure suction device is used, the driving device is controlled to work to drive the pressing component connected with the driving device to move, the pressing component is matched with the negative pressure component to generate negative pressure to suck purulent effusion, necrotic tissues, foreign matters, abnormally accumulated blood and the like of the wound surface of a patient, the strength of the negative pressure generated by the negative pressure component can be changed through the adjusting component to adapt to wound surfaces with different degrees, meanwhile, the pressure relief external member is arranged at the suction head, when the strength of the negative pressure generated by the negative pressure component is overlarge, pressure relief is timely carried out, and secondary damage caused by the fact that the suction head sucks the wound of the patient is avoided.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a portable negative pressure suction device for treating a wound surface in burn and plastic surgery.
Fig. 2 is a schematic structural diagram of a negative pressure component in one embodiment of the portable negative pressure suction device for treating the wound surface in the burn and plastic surgery.
Fig. 3 is a schematic structural view of another angle in an embodiment of the portable negative pressure suction device for treating a wound surface in burn and plastic surgery.
Fig. 4 is an enlarged schematic view of the structure at a in fig. 3.
Fig. 5 is a schematic structural diagram of an adjusting component and an elastic component in an embodiment of the portable negative pressure suction device for treating the wound surface in the burn and plastic surgery.
Fig. 6 is a schematic structural view of a pressing component in an embodiment of the portable negative pressure suction device for treating the wound surface in burn and plastic surgery.
Fig. 7 is a schematic structural diagram of a pressure relief kit in an embodiment of a portable negative pressure suction device for treating a wound surface in burn and plastic surgery.
Fig. 8 is a schematic structural diagram of a mounting chamber and a blocking plate in an embodiment of the portable negative pressure suction device for treating the wound surface in burn and plastic surgery.
In the figure: 1. a base; 2. a negative pressure chamber; 3. a piston disc; 4. a telescopic rod; 5. a first spring; 6. a groove; 7. a protrusion; 8. a trigger; 9. mounting a plate; 10. a drive device; 11. a first chute; 12. a first sliding block; 13. a second chute; 14. a second sliding block; 15. a drive sprocket; 16. a driven sprocket; 17. a tension sprocket; 18. a pulley; 19. a support bar; 20. installing a chamber; 21. a connecting member; 22. a first upright rod; 23. a plugging plate; 24. a second spring; 25. a lifting member; 26. a one-way valve; 27. a screw rod; 28. a threaded sleeve; 29. a second upright rod; 30. a third spring; 31. a suction head; 32. a drive chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element described herein as being "secured to" or "disposed on" another element may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 7, in an embodiment of the present invention, a portable vacuum suction device for treating a wound surface in burn and plastic surgery includes:
the negative pressure device comprises a base 1, wherein a negative pressure component is arranged on the base 1, the negative pressure component comprises a negative pressure chamber 2 fixedly arranged on the base 1, a piston disc 3 is arranged in the negative pressure chamber 2 in a sealing and sliding manner, a telescopic rod 4 which is perpendicular to the piston disc 3 and penetrates through the negative pressure chamber 2 is fixedly arranged on the piston disc 3, a trigger part 8 is arranged at one end, away from the piston disc 3, of the telescopic rod 4, a first spring 5 is sleeved on the telescopic rod 4, one end of the first spring 5 is connected with the piston disc 3, the other end of the first spring is connected with the inner wall of the negative pressure chamber 2, two grooves 6 are symmetrically arranged at two ends of the telescopic rod 4, and the grooves 6 are matched with protrusions 7 arranged on the negative pressure chamber 2;
two one-way valves 26 communicated with the negative pressure chamber 2 are symmetrically arranged on the negative pressure chamber 2, wherein one-way valve 26 is connected with a receiving tank arranged on the base 1, and the other one-way valve 26 is connected with a suction head 31.
When the suction cup is used, when the telescopic rod 4 moves upwards, the piston disc 3 is driven to move upwards, negative pressure is generated between the negative pressure chamber 2 and the piston disc 3, under the action of the one-way valve 26, purulent effusion, necrotic tissues, foreign matters, abnormally accumulated blood and the like on the wound surface of a patient are sucked through the suction head 31, when the piston disc 3 moves downwards, the piston disc 3 enables positive pressure to be generated in the negative pressure chamber 2, and under the action of the other one-way valve 26, the purulent effusion, the necrotic tissues, the foreign matters, the abnormally accumulated blood and the like in the negative pressure chamber 2 are pumped into the receiving tank.
Through the aforesaid setting, can absorb the blood etc. that purulent hydrops, necrotic tissue, foreign matter, unusual the gathering on the patient's surface of a wound at the in-process that piston dish 3 goes up and down, avoid these filths to depend on patient's the surface of a wound, arouse the superinfection of patient's wound, quick absorption has reduced patient's misery time, has accelerated patient's recovered time to a certain extent.
It should be noted that the check valve 26 has one-way conductivity, wherein the one-way valve 26 connected to the suction head 31 is conducted from the suction head 31 to the negative pressure chamber 2, and the one-way valve 26 connected to the receiving tank is conducted from the negative pressure chamber 2 to the receiving tank.
Referring to fig. 1 and 6, a mounting plate 9 is fixedly mounted on the negative pressure chamber 2, the mounting plate 9 is provided with a driving device 10, an output shaft of the driving device 10 is connected with a pressing component arranged on the mounting plate 9, the pressing component comprises a first sliding groove 11 arranged on the mounting plate 9, a first sliding block 12 is arranged in the first sliding groove 11 in a sliding manner, a driven sprocket 16 is rotatably mounted on the first sliding block 12, a driving sprocket 15 connected with the output shaft of the driving device 10 is further mounted on the mounting plate 9, a transmission chain 32 is sleeved between the driving sprocket 15 and the driven sprocket 16, a pulley 18 is rotatably mounted on the transmission chain 32, and the pulley 18 is matched with the trigger 8.
When in use, the driving device 10 is controlled to work to drive the driving sprocket 15 connected with the driving sprocket 15 to rotate, the driving sprocket 15 and the driven sprocket 16 are sleeved with the driving chain 32, so that the driving chain 32 acts and drives the pulley 18 connected with the driving chain to displace, when the pulley 18 moves to the highest point of the stroke, the driving chain does not abut against the trigger 8, but abuts against the trigger 8 along with the continuous movement of the pulley 18 and drives the trigger 8 to move downwards, in the process, the piston disc 3 moves downwards in the negative pressure chamber 2, the first spring 5 is stretched and stores elastic potential energy, in the process, dirt in the negative pressure chamber 2 is discharged, and when the pulley 18 moves towards the lowest point of the stroke, the piston disc moves in a semi-circle and gradually separates from the trigger 8, and after the two parts are separated, the first spring 5 releases the elastic potential energy, and order about piston dish 3 upward movement, produce the negative pressure in the negative pressure cavity 2 this moment, and absorb purulent hydrops, necrotic tissue, foreign matter, the blood of unusual gathering on the patient's surface of a wound, realize in drive arrangement 10's continuous working process, pulley 18 reciprocating's up-and-down motion, and then order about piston dish 3 to go up and down, accomplish and absorb the action, simple structure for when the device takes place to damage, it is more convenient to overhaul.
Referring to fig. 4 and 5, the first sliding block 12 is connected to the mounting plate 9 through an elastic component, the elastic component includes a second vertical rod 29 mounted on the mounting plate 9, the second vertical rod 29 is slidably connected to a protrusion mounted on the first sliding block 12, a third spring 30 is sleeved on the second vertical rod 29, one end of the third spring 30 is connected to the protrusion, and the other end of the third spring is connected to an end of the second vertical rod 29;
still be provided with adjusting part on the mounting panel 9, adjusting part is including seting up No. two spout 13 on the mounting panel 9, it is provided with No. two sliders 14 to slide in No. two spout 13, rotate on No. two sliders 14 and install tensioning sprocket 17, just fixed mounting has threaded sleeve 28 on No. two sliders 14, threaded sleeve 28 is installed with the rotation lead screw 27 screw-thread fit on the mounting panel 9.
When the lifting amplitude of the piston disc 3 needs to be changed and the negative pressure strength is to be adjusted, the screw rod 27 is manually rotated, so that the threaded sleeve 28 arranged on the screw rod 27 moves in the axial direction of the screw rod 27 and drives the tension sprocket 17 connected with the screw rod to move, the distance between the driving sprocket 15 and the driven sprocket 16 is increased or decreased, when the tension sprocket 17 moves away from the driving sprocket 15, the distance between the driving sprocket 15 and the driven sprocket 16 is decreased, the third spring 30 is compressed at the moment, meanwhile, the distance for the telescopic rod 4 to descend is decreased by the pulley 18, otherwise, the third spring 30 releases elastic potential energy, the distance between the driving sprocket 15 and the driven sprocket 16 is decreased and increased, the distance for the telescopic rod 4 to descend is increased by the pulley 18, the adjustment of the lifting amount of the piston disc 3 is realized, the negative pressure strength is changed, and the negative pressure strength is prevented from being improper, the resulting dirt is not cleaned completely or the wound surface of the patient is injured secondarily.
Referring to fig. 7 and 8, the tension sprocket 17 is connected to a pressure relief kit disposed on the negative pressure chamber 2, the pressure relief kit includes a connecting member 21 connected to and conducted with the suction head 31, an installation chamber 20 is disposed on an upper portion of the connecting member 21, a plugging structure is disposed in the installation chamber 20, the plugging structure is connected to the tension sprocket 17 through a support rod 19, one end of the support rod 19 is coaxially and rotatably connected to a rotating shaft of the tension sprocket 17, and the other end of the support rod is rotatably connected to the plugging structure;
the blocking structure comprises a blocking plate 23 arranged in the mounting cavity 20, a first vertical rod 22 is fixedly arranged on the blocking plate 23, a lifting piece 25 is sleeved on the first vertical rod 22, and the lifting piece 25 is rotatably connected with the supporting rod 19;
a second spring 24 is further sleeved on the first vertical rod 22, one end of the second spring 24 is connected with the inner wall of the mounting cavity 20, and the other end of the second spring is connected with the lifting piece 25.
When the flexible volume of piston dish 3 is the biggest, the intensity that the negative pressure produced this moment is the biggest, in order to avoid negative pressure intensity too big, leads to the wound surface of patient to receive to inhale to drag and by secondary damage, and sets up connecting piece 21, installation cavity 20, shutoff board 23, lifter 25 and No. two springs 24, when negative pressure intensity is big, realizes the pressure release to when negative pressure intensity reduces gradually, realize the complete shutoff.
It should be noted that two convex rings are arranged in the installation chamber 20, the blocking plate 23 abuts against the convex ring on the upper portion in the state of the maximum negative pressure intensity, and when the suction head 31 is blocked, the pressure is released, and when the negative pressure intensity is gradually reduced, the blocking plate 23 gradually moves downwards and abuts against the convex ring on the lower portion, so that the blocking is realized.
In summary, when in use, the driving device 10 is controlled to operate to drive the driving sprocket 15 connected with the driving device to rotate, the driving sprocket 15 and the driven sprocket 16 are sleeved with the transmission chain 32, so that the transmission chain 32 moves and drives the pulley 18 connected with the driving chain to displace, when the pulley 18 moves to the highest point of the stroke, the pulley does not abut against the trigger 8, but along with the continuous movement of the pulley 18, the pulley abuts against the trigger 8 and drives the trigger 8 to move downwards, in the process, the piston disc 3 moves downwards in the negative pressure chamber 2, at this time, the first spring 5 is stretched and stores elastic potential energy, and in the process, the dirt in the negative pressure chamber 2 is discharged, and along with the movement of the pulley 18 to the lowest point of the stroke, the piston disc makes a semi-circle movement and gradually separates from the trigger 8, and after the two separate, the first spring 5 releases the elastic potential energy, the piston disc 3 is driven to move upwards, negative pressure is generated in the negative pressure chamber 2 at the moment, purulent effusion, necrotic tissues, foreign bodies, abnormally accumulated blood and the like on the wound surface of a patient are sucked, the pulley 18 can move up and down in a reciprocating manner in the continuous working process of the driving device 10, the piston disc 3 is driven to lift, the sucking action is completed, the structure is simple, and the device is more convenient to overhaul when being damaged;
when the suction cup is used, when the telescopic rod 4 moves upwards, the piston disc 3 is driven to move upwards, negative pressure is generated between the negative pressure chamber 2 and the piston disc 3, under the action of the one-way valve 26, purulent effusion, necrotic tissue, foreign matters, abnormally accumulated blood and the like on the wound surface of a patient are sucked through the suction head 31, when the piston disc 3 moves downwards, the piston disc 3 enables positive pressure to be generated in the negative pressure chamber 2, and under the action of the other one-way valve 26, the purulent effusion, necrotic tissue, foreign matters, abnormally accumulated blood and the like in the negative pressure chamber 2 are pumped into the receiving tank;
when the lifting amplitude of the piston disc 3 needs to be changed and the negative pressure strength is to be adjusted, the screw rod 27 is manually rotated, so that the threaded sleeve 28 arranged on the screw rod 27 moves in the axial direction of the screw rod 27 and drives the tension sprocket 17 connected with the screw rod to move, the distance between the driving sprocket 15 and the driven sprocket 16 is increased or decreased, when the tension sprocket 17 moves away from the driving sprocket 15, the distance between the driving sprocket 15 and the driven sprocket 16 is decreased, the third spring 30 is compressed at the moment, meanwhile, the distance for the telescopic rod 4 to descend is decreased by the pulley 18, otherwise, the third spring 30 releases elastic potential energy, the distance between the driving sprocket 15 and the driven sprocket 16 is decreased and increased, the distance for the telescopic rod 4 to descend is increased by the pulley 18, the adjustment of the lifting amount of the piston disc 3 is realized, the negative pressure strength is changed, and the negative pressure strength is prevented from being improper, the result that the dirt is not cleaned completely or the wound surface of the patient is injured secondarily;
when the flexible volume of piston dish 3 is the biggest, the intensity that the negative pressure produced this moment is the biggest, in order to avoid negative pressure intensity too big, leads to the wound surface of patient to receive to inhale to drag and by secondary damage, and sets up connecting piece 21, installation cavity 20, shutoff board 23, lifter 25 and No. two springs 24, when negative pressure intensity is big, realizes the pressure release to when negative pressure intensity reduces gradually, realize the complete shutoff.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a portable vacuum aspiration device is used in treatment of surface of a wound of burn plastic surgery which characterized in that includes:
the negative pressure device comprises a base (1), wherein a negative pressure assembly is arranged on the base (1), two one-way valves (26) communicated with the negative pressure assembly are symmetrically arranged on the negative pressure assembly, one of the one-way valves (26) is connected with a receiving tank arranged on the base (1), and the other one-way valve (26) is connected with a suction head (31);
the negative pressure component is fixedly provided with a mounting plate (9), the mounting plate (9) is provided with a driving device (10), an output shaft of the driving device (10) is connected with a downward pressing component arranged on the mounting plate (9), a pulley (18) is rotatably arranged on the downward pressing component, and the pulley (18) is matched with a triggering part (8) arranged on the negative pressure component;
still be provided with the adjusting part on mounting panel (9), last rotation of adjusting part installs tensioning sprocket (17), tensioning sprocket (17) with push down the subassembly roll connection, just tensioning sprocket (17) are connected and are set up pressure release external member on the negative pressure component.
2. The portable negative pressure suction device for wound treatment of burn and plastic surgery is characterized in that the negative pressure component comprises a negative pressure chamber (2) fixedly mounted on the base (1), a piston disc (3) is arranged in the negative pressure chamber (2) in a sealing and sliding manner, a telescopic rod (4) which is perpendicular to the piston disc (3) and penetrates through the negative pressure chamber (2) is fixedly mounted on the piston disc (3), one end, away from the piston disc (3), of the telescopic rod (4) is connected with the trigger piece (8), a first spring (5) is sleeved on the telescopic rod (4), one end of the first spring (5) is connected with the piston disc (3), and the other end of the first spring is connected with the inner wall of the negative pressure chamber (2).
3. A portable vacuum suction device for burn and plastic surgery wound treatment according to claim 2, characterized in that two grooves (6) are symmetrically arranged at both ends of the telescopic rod (4), and the grooves (6) are adapted to the protrusions (7) arranged on the vacuum chamber (2).
4. The portable negative pressure suction device for wound treatment in burn and plastic surgery is characterized in that the pressing component comprises a first sliding groove (11) formed in the mounting plate (9), a first sliding block (12) is arranged in the first sliding groove (11) in a sliding manner, a driven sprocket (16) is rotatably mounted on the first sliding block (12), a driving sprocket (15) connected with an output shaft of the driving device (10) is further mounted on the mounting plate (9), a transmission chain (32) is sleeved between the driving sprocket (15) and the driven sprocket (16), and the pulley (18) is arranged on the transmission chain (32).
5. A portable negative pressure suction device for burn and plastic surgery wound treatment according to claim 4, characterized in that the first slider (12) and the mounting plate (9) are connected through an elastic component, the elastic component comprises a second vertical rod (29) mounted on the mounting plate (9), the second vertical rod (29) is slidably connected with a protrusion mounted on the first slider (12), a third spring (30) is sleeved on the second vertical rod (29), one end of the third spring (30) is connected with the protrusion, and the other end of the third spring is connected with the end of the second vertical rod (29).
6. The portable negative pressure suction device for treating the wound surface of the burn and plastic surgery is characterized in that the adjusting assembly comprises a second sliding groove (13) formed in the mounting plate (9), a second sliding block (14) is arranged in the second sliding groove (13) in a sliding mode, the second sliding block (14) is rotatably connected with the tensioning chain wheel (17), a threaded sleeve (28) is fixedly mounted on the second sliding block (14), and the threaded sleeve (28) is in threaded fit with a screw rod (27) rotatably mounted on the mounting plate (9).
7. The portable negative pressure suction device for treating the wound surface of the burn and plastic surgery is characterized in that the pressure relief kit comprises a connecting piece (21) which is connected with and communicated with the suction head (31), an installation chamber (20) is arranged at the upper part of the connecting piece (21), a blocking structure is arranged in the installation chamber (20), the blocking structure is connected with the tension sprocket (17) through a support rod (19), one end of the support rod (19) is coaxially and rotatably connected with the rotating shaft of the tension sprocket (17), and the other end of the support rod is rotatably connected with the blocking structure.
8. A portable negative pressure suction device for burn and plastic surgery wound treatment according to claim 7, characterized in that the blocking structure comprises a blocking plate (23) installed in the installation chamber (20), a first vertical rod (22) is fixedly installed on the blocking plate (23), a lifting member (25) is sleeved on the first vertical rod (22), and the lifting member (25) is rotatably connected with the support rod (19);
still be equipped with No. two springs (24) on pole setting (22), the one end of No. two springs (24) with the interior wall connection of installation cavity (20), the other end with lifter (25) are connected.
CN202210639533.9A 2022-06-07 2022-06-07 Portable negative pressure suction device for wound treatment in burn and plastic surgery Withdrawn CN115006620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210639533.9A CN115006620A (en) 2022-06-07 2022-06-07 Portable negative pressure suction device for wound treatment in burn and plastic surgery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210639533.9A CN115006620A (en) 2022-06-07 2022-06-07 Portable negative pressure suction device for wound treatment in burn and plastic surgery

Publications (1)

Publication Number Publication Date
CN115006620A true CN115006620A (en) 2022-09-06

Family

ID=83072486

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210639533.9A Withdrawn CN115006620A (en) 2022-06-07 2022-06-07 Portable negative pressure suction device for wound treatment in burn and plastic surgery

Country Status (1)

Country Link
CN (1) CN115006620A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116808329A (en) * 2023-07-04 2023-09-29 都菁 Sputum aspirator that nursing was used

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116808329A (en) * 2023-07-04 2023-09-29 都菁 Sputum aspirator that nursing was used
CN116808329B (en) * 2023-07-04 2024-02-06 青岛市妇女儿童医院(青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心) Sputum aspirator that nursing was used

Similar Documents

Publication Publication Date Title
CN115006620A (en) Portable negative pressure suction device for wound treatment in burn and plastic surgery
CN110585497A (en) Negative pressure drainage device used in breast surgery
CN108938362A (en) A kind of cupping jar therapy instrument
CN116849858A (en) Negative pressure intensity adjustable oral cavity negative pressure aspirator
CN208907394U (en) A kind of air compressor machine with dedusting environment friendly function
CN109938930A (en) A kind of Department of B urn operation consent wound cleaning chlorination equipment and its application method
CN112105195B (en) Water logging-proof electric appliance cabinet
CN114132731A (en) Give birth to bright food intelligence sterilization apparatus and turn-over device for giving birth to bright food
CN208625979U (en) A kind of ophthalmology special-purpose surgical knife
CN113800388A (en) Irradiation box hanger
CN112472609A (en) Vomitus collection device is used in oncology department's nursing
CN112620322A (en) Mask recovery and disinfection treatment device
CN209188026U (en) A kind of limb rehabilitating harmony training device
CN110015629A (en) A kind of push type can opener
CN114949546B (en) Nail emulsion surgical drainage fixing device with limit function on breast
CN111994502A (en) New forms of energy environment-friendly garbage bin
CN217030935U (en) Intelligent control square LED lighting device
CN216456228U (en) Medical telescopic device
CN115998368A (en) Uropoiesis surgery is with arranging stone device
CN215088345U (en) Prevent and treat in high-efficient sprinkler of blue and green crisp plum gummosis
CN214913091U (en) Training device for assisting lower limb paraplegia patient in raising straight leg
CN213630180U (en) Lighting device for ophthalmic surgery
CN220404212U (en) Nipple invagination corrector
CN219105127U (en) Lamp translation type detection table
CN108273077A (en) A kind of intelligent medical disinfection cabinet

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20220906

WW01 Invention patent application withdrawn after publication