CN115518214B - Special drainage device filter of thoracic surgery - Google Patents

Special drainage device filter of thoracic surgery Download PDF

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Publication number
CN115518214B
CN115518214B CN202211495943.7A CN202211495943A CN115518214B CN 115518214 B CN115518214 B CN 115518214B CN 202211495943 A CN202211495943 A CN 202211495943A CN 115518214 B CN115518214 B CN 115518214B
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China
Prior art keywords
shell
filter screen
tubular filter
rod
assembly
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CN202211495943.7A
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Chinese (zh)
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CN115518214A (en
Inventor
姜远瞩
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Shandong Provincial Hospital Affiliated to Shandong First Medical University
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Shandong Provincial Hospital Affiliated to Shandong First Medical University
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Priority to CN202211495943.7A priority Critical patent/CN115518214B/en
Publication of CN115518214A publication Critical patent/CN115518214A/en
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    • 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
    • A61M1/71Suction drainage systems
    • A61M1/79Filters for solid matter
    • 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
    • A61M1/88Draining devices having means for processing the drained fluid, e.g. an absorber

Abstract

The application discloses a special drainage device filter for thoracic surgery, which relates to the technical field of filtering equipment and comprises a shell, a filtering component, a net squeezing component and a dirt scraping plate; the filter assembly comprises a tubular filter screen, a driving roller and a reversing roller; the tubular filter screen is made of elastic materials and sleeved on the driving roller and the reversing roller; the net extruding assembly comprises a positioning rod, a tamping rod and a tamping rod guide assembly; the driving roller comprises two roller bodies which are fixed together through a positioning rod; the tamping rod is rotationally connected to the positioning rod; the tamping rod guide assembly comprises a support body and a guide frame, and the guide frame is a frame body or a block body and is rotationally connected to the support body; the tamping rod slides along the length direction of the tamping rod and is positioned on the guide frame; the dirt scraping plate is fixed on the inner wall of the shell and is arranged close to the tubular filter screen; the technical effects that the filter for the thoracic surgery drainage device is good in filtering effect and not prone to blocking at the position of the filter are achieved.

Description

Special drainage device filter of thoracic surgery
Technical Field
The invention relates to the technical field of filtering equipment, in particular to a filter of a drainage device special for thoracic surgery.
Background
The drainage device is a medical apparatus for guiding pus, blood and liquid accumulated in tissues or body cavities of a chest to the outside of the body, preventing postoperative infection and promoting wound healing, and has the core structures of a drainage tube and a negative pressure drainage bottle.
When the drainage device is used, the drainage tube is often blocked by blood clots, pus and the like, the problems of unsmooth drainage, infection induction and the like occur, and the drainage tube needs to be dredged at the moment; the dredging means that is commonly used at present is to place the desilting stick that takes brush or crushing piece in the pipe, but the drainage tube can't avoid the condition of buckling to appear when using, and at this moment, the plug is very easy to pile up in the department of buckling, and the desilting stick is difficult to carry out the desilting in the department of buckling.
To above-mentioned problem, adopt the mode of addding the filter on the drainage tube to overcome usually among the prior art, but the filter is limited to self structure and appears the filter effect limited easily or take place the problem of jam at the filter department easily, is unfavorable for going on of actual drainage operation among the prior art.
Disclosure of Invention
The embodiment of the application provides a special drainage device filter of thoracic surgery, has solved among the prior art filter on the drainage device for thoracic surgery and has taken place the technical problem who blocks up easily in the filter position under the guarantee filter effect prerequisite, has realized that the filter effect that is used for thoracic surgery drainage device is good and be difficult for taking place the technological effect who blocks up in filter position.
The embodiment of the application provides a special drainage device filter for thoracic surgery, which comprises a shell, a filtering component, a net squeezing component and a dirt scraping plate;
the shell is of a box body structure, a partition plate is fixed in the shell, a liquid inlet hole and a liquid outlet hole are formed in the top and the bottom of the shell respectively, and the space in the shell is divided into a filtrate space and a sewage storage space by the partition plate; the shell is also provided with a fixed component;
the filtering component comprises a tubular filter screen, a driving roller and a reversing roller; the tubular filter screen is made of elastic materials and sleeved on the driving roller and the reversing roller;
the driving roller and the reversing roller are both rotationally connected to the inner wall of the shell and are axially the same;
the net extruding assembly comprises a positioning rod, a tamping rod and a tamping rod guide assembly;
the driving roller comprises two roller bodies which are fixed together through a positioning rod; two ends of the positioning rod are respectively fixedly connected to the end surfaces of the two roller bodies;
the tamping rod is rotationally connected to the positioning rod;
the tamping rod guide assembly comprises a support body and a guide frame, and the guide frame is a frame body or a block body and is rotationally connected to the support body; the tamping rod is positioned on the guide frame in a sliding manner along the length direction of the tamping rod;
the dirt scraping plate is fixed on the inner wall of the shell and is arranged close to the tubular filter screen.
Furthermore, the partition plate comprises a bottom partition plate, an inclined partition plate and a top plate;
the bottom clapboard is fixed on the inner wall of the shell, is vertically arranged and is fixed at the bottom of the inner wall of the shell;
the inclined partition plate is obliquely arranged and fixed on the inner wall of the shell, is positioned below the highest point and above the lowest point of the filtering component and is used for preventing filtered liquid from entering the sewage storage space;
the top plate is fixed on the inner wall of the shell and is positioned right above the sewage storage space, so that unfiltered liquid is prevented from entering the sewage storage space due to splashing;
the positioning hoses are fixed on the liquid inlet hole and the liquid outlet hole, are fixed at the top and the bottom of the shell and are used for preventing the drainage tube from being bent excessively at the liquid inlet hole and the liquid outlet hole; the liquid inlet hole and the liquid outlet hole are both communicated with the filtrate space.
Further, the fixing component comprises a connecting body and a fixing body;
the connector plays a role in connecting the shell and the fixed body and is structurally a metal soft rod and a telescopic rod;
the fixing body plays a role in fixing and is structurally a clip body or a magnet.
Preferably, the net extruding component further comprises a net hooking component;
the hook net component comprises a hook body and a supporting rod;
the supporting rod is fixed on the shell, is a rod body and is used for supporting and positioning the hook body;
the hook bodies are in a hook shape or arc shape, the number of the hook bodies is multiple, one end of each hook body is rotatably connected to the support rod, a torsion spring is positioned at the connecting position, and the other end of each hook body penetrates through the tubular filter screen;
the hook body is arranged close to the tamper guide assembly;
when the tubular filter screen rotates, the hook body hooks the tubular filter screen, the tubular filter screen is locally stretched until the tubular filter screen is separated from the hook body, and the tubular filter screen rapidly rebounds to eject sundries when the tubular filter screen is separated from the hook body.
Preferably, the net body adsorption component comprises an adsorption plate and an adsorption plate support body;
the suction plate is a plate body made of iron or magnet and is fixed on the inner wall of the shell through a suction plate support body;
the suction plate is positioned between the driving roller and the reversing roller, and the upper surface of the suction plate is a plane;
the tubular filter screen is formed by weaving a hollow elastic tube, magnetic fluid, magnetic powder or iron powder is filled in the hollow elastic tube, and the tubular filter screen can be sunken towards the direction of the suction plate under the action of magnetic force when in use.
Further, a pipe body channel is arranged at the bottom of the sewage storage space;
a drainage assembly is positioned on the pipe body channel and comprises a drainage pipe, and the drainage pipe penetrates into the shell and communicates the sewage storage space with a drainage pipe positioned at the lower end of the shell;
and water permeable holes are densely distributed in the drain pipe in the sewage storage space and are through holes.
Preferably, the driving roller and the reversing roller are both provided with annular roller wall grooves, and a heating body is positioned in the driving roller and is an electric heating plate or a heating wire;
the plurality of cylinder wall grooves are arranged on the driving roller and the reversing roller to form a plurality of annular bulges;
the groove on the wall of the driving roller corresponds to the annular bulge on the reversing roller;
the tubular filter screen is formed by weaving hollow elastic tubes, and paraffin is filled in the hollow elastic tubes;
the scraping plate corresponds to the outer contour of the driving roller.
Preferably, the lifting device further comprises a sliding lifting column assembly;
the sliding lifting column assembly comprises a column body, a sliding groove, a pulling rope, a rope threading hole, a rope body retracting assembly, a guide pipe and a piston;
the sliding groove is a straight groove, is vertically arranged, is arranged on the inner wall of the shell and is used for guiding the sliding of the column body;
the cylinder is a polygonal cylinder, is positioned on the sliding groove in a sliding mode and is positioned at the bottom of the tubular filter screen;
the upper cylinder of the spatial position of the cylinder is close to the tamping rod and the bottom clapboard;
the column body is normally positioned at the bottommost end of the sliding groove;
the guide tube is positioned on the upper cover of the negative pressure drainage bottle and is communicated with the inside of the negative pressure drainage bottle;
the piston is slidably positioned on the guide tube;
the pulling rope plays a role in conducting action, one end of the pulling rope is fixed on the column body, and the other end of the pulling rope is fixed on the piston;
the rope threading hole is positioned on the wall of the shell and is a through hole for facilitating the pulling of a rope to penetrate into the shell; a closed rubber block is positioned on the rope threading hole to play a role in sealing, and a pulling rope penetrates through the closed rubber block;
the rope body winding and unwinding assembly is of a winding drum structure and is used for controlling the length of a pulling rope.
Preferably, the positioning rod and the driving roller have the same axial direction, but the distance between the axes is more than 1.5 cm.
Preferably, the top end of the bottom clapboard is butted against the tubular filter screen; the two ends of the tubular filter screen are butted against the inner wall of the shell.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
by optimizing and improving the filter of the drainage device in the prior art, the filter of the drainage device comprises a shell, a filter assembly, a net squeezing assembly and a dirt scraping plate, wherein the filter assembly is a combination of a tubular filter screen and a cylindrical roller, and the tubular filter screen is made of elastic materials; the dirt scraping plate is arranged close to the tubular filter screen and used for scraping sundries on the surface of the tubular filter screen; the net squeezing component main body is a rod, and the tubular filter screen is partially lengthened in a reciprocating manner in a squeezing mode so as to achieve the purpose of removing sundries on the tubular filter screen; effectively solved among the prior art filter on the drainage device for thoracic surgery take place the technical problem who blocks up easily in the filter position under the guarantee filter effect prerequisite, and then realized that the filter that is used for drainage device for thoracic surgery is effectual and be difficult for taking place the technological effect that blocks up in filter position.
Drawings
FIG. 1 is a schematic view of the entire structure of a filter of the drainage device for thoracic surgery of the present invention;
FIG. 2 is a schematic view of the external structure of the filter of the drainage device for thoracic surgery of the present invention;
FIG. 3 is a schematic view showing the internal structure of the filter of the drainage device for thoracic surgery according to the present invention;
FIG. 4 is a schematic diagram showing the position relationship between the filter assembly and the screen-squeezing assembly of the filter of the thoracic surgery special drainage device of the present invention;
FIG. 5 is a schematic structural view of a screen squeezing component of the filter of the drainage device special for thoracic surgery of the invention;
FIG. 6 is a schematic view of a tubular filter net of the filter of the drainage device specially used for thoracic surgery of the present invention;
FIG. 7 is a schematic view showing the internal structure of the tubular filter net of the filter of the drainage device for thoracic surgery of the present invention;
FIG. 8 is a schematic structural view of a driving roller and a reversing roller of the filter of the drainage device special for thoracic surgery of the present invention;
FIG. 9 is a schematic view showing the positional relationship between the driving roller and the reversing roller of the filter of the drainage device for thoracic surgery of the present invention;
FIG. 10 is a schematic view showing the positional relationship between the heating body and the driving roller of the filter of the drainage device for thoracic surgery of the present invention;
FIG. 11 is a schematic view showing the positional relationship between the tamping rod and the sliding lifting column of the filter of the drainage device for thoracic surgery of the present invention;
fig. 12 is a schematic structural view of a sliding lifting column of the filter of the drainage device special for thoracic surgery of the invention.
In the figure:
the device comprises a shell 100, a side cover 110, a partition plate 120, a bottom partition plate 121, an inclined partition plate 122, a top plate 123, a filtrate space 130, a sewage storage space 140, a liquid inlet hole 150, a liquid outlet hole 160, a positioning hose 170, a pipe channel 180, a fixing component 190, a connecting body 191 and a fixing body 192;
a filter assembly 200, a tubular filter screen 210, a driving roller 220, a reversing roller 230, a cylinder wall groove 240 and a heating body 250;
the net extruding component 300, the positioning rod 310, the tamping rod 320, the tamping rod guide component 330, the supporting body 331, the guide frame 332, the hook net component 340, the hook body 341 and the supporting rod 342;
a dirt scraping plate 400;
a net body adsorption component 500, a suction plate 510 and a suction plate support 520;
a drainage assembly 600, a drainage pipe 610, a water permeable hole 611;
the lifting device comprises a sliding lifting column assembly 700, a column 710, a sliding groove 720, a pulling rope 730, a rope threading hole 740, a closed rubber block 741, a rope body retraction assembly 750, a guide pipe 760 and a piston 770.
Detailed Description
In order to facilitate an understanding of the present invention, the present application will now be described more fully with reference to the accompanying drawings; the preferred embodiments of the present invention are illustrated in the accompanying drawings, but the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is noted that the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1, which is a schematic view of the whole structure of the filter of the drainage device for thoracic surgery of the present invention; the filter of the special drainage device for the thoracic surgery comprises a shell 100, a filter assembly 200, a net squeezing assembly 300 and a dirt scraping plate 400, wherein the filter assembly 200 is a combination of a tubular filter screen 210 and a cylindrical roller, and the tubular filter screen 210 is made of elastic materials; the dirt scraping plate 400 is arranged close to the tubular filter screen 210 and used for scraping impurities on the surface of the tubular filter screen 210; the net extrusion component 300 is mainly a rod, and the tubular filter screen 210 is stretched partially in a reciprocating manner in an extrusion manner, so that the purpose of removing sundries on the tubular filter screen 210 is achieved; the technical effect that the filter for the thoracic surgery drainage device is good in filtering effect and not easy to block at the position of the filter is achieved.
Example one
As shown in fig. 1 and 2, the filter of the thoracic surgery special drainage device of the present application includes a housing 100, a filter assembly 200, a screen assembly 300, a scraper 400, a power assembly, and a control unit.
The housing 100 is a box structure and is used for bearing components such as the filtering component 200, the net squeezing component 300, the dirt scraping plate 400 and the like, one side of the housing is open, and the side cover 110 is detachably and fixedly connected at the opening; a partition plate 120 is fixed inside the shell 100, and divides the space inside the shell 100 into a filtrate space 130 and a sewage storage space 140; the filtrate space 130 is used for carrying part of the filter assembly 200, and the dirt storage space 140 plays a role in collecting and storing filtered dirt; further, as shown in fig. 1, 3 and 4, the partition 120 includes a bottom partition 121, a slanted partition 122 and a top plate 123; the bottom partition plate 121 is fixed on the inner wall of the casing 100, vertically arranged and fixed at the bottom of the inner wall of the casing 100; the inclined partition 122 is obliquely arranged and fixed on the inner wall of the casing 100, is located below the highest point and above the lowest point of the filtering assembly 200, and is used for preventing filtered liquid from entering the sewage storage space 140; the top plate 123 is fixed on the inner wall of the housing 100 and located right above the dirt storage space 140, so as to prevent unfiltered liquid from splashing into the dirt storage space 140; the top and the bottom of the casing 100 are respectively provided with a liquid inlet 150 and a liquid outlet 160; the liquid inlet hole 150 and the liquid outlet hole 160 are both fixed with a positioning hose 170, the positioning hose 170 is preferably a rubber hose with a length greater than 3 cm, and is fixed at the top and the bottom of the shell 100 to prevent the drainage tube from being excessively bent at the liquid inlet hole 150 and the liquid outlet hole 160; the liquid inlet hole 150 and the liquid outlet hole 160 are both communicated with the filtrate space 130; a fixing assembly 190 for fixing the housing 100 at an operating table or the like is further positioned on the sidewall of the housing 100, and the fixing assembly 190 includes a connecting body 191 and a fixing body 192; the connector 191 plays a role of connecting the shell 100 and the fixing body 192, and has a structure of a metal soft rod, an expansion rod and the like; the fixing body 192 is used for fixing and has a structure of a (manual or electric) clip body, a magnet, and the like.
The filtering assembly 200 plays a role of filtering, and comprises a tubular filter screen 210, a driving roller 220 and a reversing roller 230; the tubular filter screen 210 is tubular, made of elastic material, and sleeved on the driving roller 220 and the reversing roller 230; the driving roller 220 and the reversing roller 230 are both cylindrical rollers, and are both rotatably connected to the inner wall of the housing 100, and the axial directions of the two rollers are the same; the driving roller 220 is internally provided with a motor, and is driven by the motor to rotate relative to the housing 100; the driving roller 220 drives the movement of the tubular screen 210 and the rotation of the reversing roller 230 when rotating; the filtering assembly 200 is positioned right below the liquid inlet hole 150; the top end of the bottom baffle 121 abuts against the tubular filter screen 210; both ends of the tubular screen 210 are butted against the inner wall of the housing 100.
The net squeezing assembly 300 is used for partially elongating the tubular filter screen 210 in a reciprocating manner in a squeezing manner so as to remove sundries adhered to the tubular filter screen 210, and comprises a positioning rod 310, a tamper 320 and a tamper guide assembly 330; the driving roller 220 comprises two cylindrical roller bodies which are fixed together through a positioning rod 310; the positioning rod 310 is a round rod, and two ends of the positioning rod are respectively fixedly connected to the end surfaces of the two roller bodies; the positioning rod 310 and the driving roller 220 have the same axial direction but the distance between the axes is more than 1.5 cm; the tamping rod 320 is a rod body, one end of the rod body is rotatably connected to the positioning rod 310 and rotates around the axis of the positioning rod 310, and the axial direction of the positioning rod 310 is perpendicular to the length direction of the tamping rod 320; the tamper guide assembly 330 functions to limit the movement of the tamper 320, and includes a support body 331 and a guide frame 332; the supporting body 331 is a rod body or a plate body, and plays a role in supporting and positioning the guide frame 332; the guide frame 332 is a frame or a block, and is rotatably connected to the support 331; the axial direction of the rotation shaft is the same as that of the driving roller 220; the tamper bar 320 is positioned on the guide frame 332 in a sliding manner along the length direction of the tamper bar; when the driving roller 220 rotates, the tamper bar 320 slides on the guide frame 332, and the tamper bar 320 intermittently pushes and presses the tubular filter screen 210 while sliding, so that the tubular filter screen 210 is forced to deform (stretch filter holes) to extrude impurities out of the filter holes (or be scraped by the bottom partition plate 121).
The dirt scraping plate 400 is fixed on the inner wall of the casing 100, is arranged close to the tubular filter screen 210, is located above the driving roller 220 and below the top plate 123, and is preferably an arc-shaped plate and is used for scraping impurities on the surface of the tubular filter screen 210.
The power assembly is used for providing power for the operation of all parts of the filter of the drainage device special for the thoracic surgery, and is preferably a battery; the control unit functions to control the rotation of the driving roller 220, and is preferably a switch; the power assembly and the control unit are both in the prior art and are not described in detail herein.
When the scheme of the embodiment of the application is actually used, firstly, two drainage tubes are fixed on the shell 100, and the drainage tube at the bottom is fixed on the negative pressure drainage bottle; the housing 100 is then secured by the securing assembly 190; before the drainage operation is started, the control unit controls the driving roller 220 to rotate, the tubular filter screen 210 filters during drainage, and the dirt scraping plate 400 and the tubular filter screen 210 simultaneously act to remove impurities filtered out from the filter screen.
In order to further enhance the cleaning effect of the tubular filter screen 210 and improve the practicability, it is preferable that the screen-extruding assembly 300 further includes a hook screen assembly 340, as shown in fig. 4 and 5, the hook screen assembly 340 includes a hook body 341 and a support rod 342; the supporting rod 342 is fixed on the casing 100, and is a rod body for supporting and positioning the hook body 341; the hook bodies 341 are in a square or circular shape, the number of the hook bodies is multiple, one end of each hook body is rotatably connected to the support rod 342, a torsion spring is positioned at the connection position, and the other end of each hook body 341 penetrates through the tubular filter screen 210; the hook body 341 is disposed adjacent to the ram guide assembly 330; when the tubular filter screen 210 rotates, the hook body 341 hooks the tubular filter screen 210, the tubular filter screen 210 is partially elongated until the tubular filter screen 210 is separated from the hook body 341, and the tubular filter screen 210 is rapidly rebounded to eject the sundries when being separated from the hook body 341.
Preferably, in order to further enhance the filtering effect, as shown in fig. 1 and 4, the thoracic surgery special drainage device filter further includes a mesh body adsorption assembly 500, the mesh body adsorption assembly 500 is used for forming a pit in the tubular filter screen 210 so as to collect the fluid to be filtered, and includes a suction plate 510 and a suction plate supporter 520; the suction plate 510 is a plate made of iron or a magnet, and is fixed on the inner wall of the casing 100 through a suction plate support 520; the suction plate 510 is positioned between the driving roller 220 and the reversing roller 230, and the upper surface is a plane; as shown in fig. 6, the tubular filter screen 210 is woven from a hollow elastic tube, the interior of the hollow elastic tube is filled with magnetic fluid, magnetic powder or iron powder, and the tubular filter screen 210 is recessed toward the suction plate 510 under the action of magnetic force when in use.
Preferably, as shown in fig. 1 and 3, a pipe passage 180 is provided at the bottom of the dirt storage space 140; a drainage assembly 600 is positioned on the pipe body channel 180, the drainage assembly 600 is used for draining liquid in the sewage storage space 140 so as to enable the sewage storage space to store more sundries, the drainage assembly 600 comprises a drainage pipe 610, and the drainage pipe 610 penetrates into the shell 100 and communicates the sewage storage space 140 with a drainage pipe positioned at the lower end of the shell 100; the drain pipe 610 in the sewage storage space 140 is densely provided with water permeable holes 611, and the water permeable holes 611 are through holes.
Preferably, as shown in fig. 8 to 10, the driving roller 220 and the reversing roller 230 are both provided with annular roller wall grooves 240, a heating body 250 is positioned inside the driving roller 220, and the heating body 250 is an electric heating plate or a heating wire; a plurality of cylinder wall grooves 240 are arranged on the driving roller 220 and the reversing roller 230 to form a plurality of annular bulges; as shown in fig. 9, the wall groove 240 of the driving roller 220 corresponds to the annular protrusion of the reversing roller 230; the tubular filter screen 210 is formed by weaving hollow elastic tubes, and paraffin is filled in the hollow elastic tubes; the outer contour of the dirt scraping plate 400 corresponds to that of the driving roller 220; in practical use, the heating body 250 in the driving roller 220 continuously operates, the filtering effect of the bent tubular filter screen 210 is increased, the anti-scouring capability of the tubular filter screen 210 with the paraffin built in is stronger, and sundries are not easy to permeate through the filter holes due to the enlargement of fluid impact; the tubular filter screen 210 passing through the driving roller 220 is softened by heating, and is easier to deform, thereby being more beneficial to cleaning out impurities in the filter holes.
As shown in fig. 7, the tubular filter screen 210 is preferably woven from a hollow elastic tube, and the interior of the hollow elastic tube is filled with paraffin and/or iron powder.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
the technical problem of filter on the drainage device for thoracic surgery easily take place to block up in the filter position under the guarantee filter effect prerequisite among the prior art is solved, realized that the filter that is used for thoracic surgery drainage device filter effect is good and be difficult for taking place the technological effect that blocks up in filter position.
Example two
In order to further improve the practicality of the filter on the drainage device for thoracic surgery of this application, further reduce its possibility of taking place to block up, this application embodiment has add sliding lifting post subassembly 700 on the basis of above-mentioned embodiment, improves its effect of cleaing away debris through the deformation degree of adjusting tubular filter screen 210, specifically is:
as shown in fig. 4, 11 and 12, the sliding lift cylinder assembly 700 includes a cylinder 710, a sliding groove 720, a pulling rope 730, a rope threading hole 740, a rope body retracting assembly 750, a guide tube 760 and a piston 770; the sliding groove 720 is a straight groove, is vertically arranged, is arranged on the inner wall of the shell 100, and is used for guiding the sliding of the column 710; the cylinder 710 is a polygonal cylinder, and is slidably positioned on the sliding groove 720 and located at the bottom of the tubular filter screen 210; the spatial position of the cylinder 710 is that the cylinder 710 is close to the tamper 320 and the bottom clapboard 121; the column 710 is normally located at the lowermost end of the sliding slot 720; the guide tube 760 is positioned on the upper cover of the negative pressure drainage bottle and is communicated with the inside of the negative pressure drainage bottle; the piston 770 is slidably positioned on the guide tube 760; the pulling rope 730 plays a role of conducting force, one end of the pulling rope is fixed on the column 710, and the other end of the pulling rope is fixed on the piston 770; the threading hole 740 is positioned on the wall of the housing 100, and is a through hole for facilitating the pulling rope 730 to penetrate into the housing 100; a closed rubber block 741 is positioned on the rope penetrating hole 740 to play a role in sealing, and the pulling rope 730 penetrates through the closed rubber block 741; the rope body retracting assembly 750 is of a reel structure and is used for controlling the length of the pulling rope 730; preferably, the cord retraction assembly 750 is constructed in the same manner as a tape measure.
When the scheme of the embodiment of the application is actually used, firstly, two drainage tubes are fixed on the shell 100, and the drainage tube at the bottom is fixed on the negative pressure drainage bottle; the housing 100 is then secured by the securing assembly 190; the length of the pulling rope 730 is adjusted by the rope body retracting component 750 to be in a tight state; before the drainage operation is started, the control unit controls the driving roller 220 to rotate, the tubular filter screen 210 filters during drainage, and the dirt scraping plate 400 and the tubular filter screen 210 simultaneously act to remove impurities filtered from the filter screen; once the tubular filter screen 210 is clogged, the negative pressure in the negative pressure drainage bottle increases, and the piston 770 moves down under the atmospheric pressure to pull the cylinder 710 to move up, so that the tubular filter screen 210 is deformed and increased, thereby improving the cleaning effect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A thoracic surgery-specific drainage device filter comprising a housing (100) and a filter assembly (200), characterized in that: the device also comprises a screen squeezing component (300) and a dirt scraping plate (400);
the shell (100) is of a box structure, a partition plate (120) is fixed inside the shell, a liquid inlet hole (150) and a liquid outlet hole (160) are respectively formed in the top and the bottom of the shell, and the partition plate (120) divides the inner space of the shell (100) into a filtrate space (130) and a sewage storage space (140); a fixing component (190) is positioned on the shell (100);
the filter assembly (200) comprises a tubular filter screen (210), a drive roller (220) and a reversing roller (230); the tubular filter screen (210) is made of elastic materials and sleeved on the driving roller (220) and the reversing roller (230);
the driving roller (220) and the reversing roller (230) are rotationally connected to the inner wall of the shell (100) and have the same axial direction;
the net squeezing assembly (300) comprises a positioning rod (310), a tamping rod (320) and a tamping rod guide assembly (330);
the driving roller (220) comprises two roller bodies which are fixed together through a positioning rod (310); two ends of the positioning rod (310) are respectively and fixedly connected to the end surfaces of the two roller bodies; the positioning rod (310) and the driving roller (220) have the same axial direction but the distance between the axes is more than 1.5 cm;
the tamping rod (320) is rotationally connected to the positioning rod (310);
the tamping rod guide assembly (330) comprises a support body (331) and a guide frame (332), wherein the guide frame (332) is a frame body or a block body and is rotatably connected to the support body (331); the tamper bar (320) is positioned on the guide frame (332) in a sliding manner along the length direction of the tamper bar;
the dirt scraping plate (400) is fixed on the inner wall of the shell (100) and is arranged to be tightly attached to the tubular filter screen (210).
2. The thoracic surgical drainage device filter of claim 1, wherein: the partition plate (120) comprises a bottom partition plate (121), an inclined partition plate (122) and a top plate (123);
the bottom clapboard (121) is fixed on the inner wall of the shell (100), is vertically arranged and is fixed at the bottom of the inner wall of the shell (100);
the inclined partition plate (122) is obliquely arranged and fixed on the inner wall of the shell (100), is positioned below the highest point and above the lowest point of the filtering component (200), and is used for preventing filtered liquid from entering the sewage storage space (140);
the top plate (123) is fixed on the inner wall of the shell (100) and is positioned right above the sewage storage space (140) for preventing unfiltered liquid from entering the sewage storage space (140) due to splashing;
the liquid inlet hole (150) and the liquid outlet hole (160) are both fixed with positioning hoses (170) which are fixed at the top and the bottom of the shell (100) and used for preventing the drainage tube from being bent excessively at the liquid inlet hole (150) and the liquid outlet hole (160); the liquid inlet hole (150) and the liquid outlet hole (160) are both communicated with the filtrate space (130).
3. The thoracic surgical drainage device filter of claim 1, wherein: the fixing component (190) comprises a connecting body (191) and a fixing body (192);
the connecting body (191) plays a role in connecting the shell (100) and the fixing body (192), and is structurally a metal soft rod and a telescopic rod;
the fixing body (192) plays a role in fixing and is structurally a clip body or a magnet.
4. The thoracic surgical drainage device filter of claim 1, wherein: the net extruding component (300) further comprises a net hooking component (340);
the hook net component (340) comprises a hook body (341) and a supporting rod (342);
the supporting rod (342) is fixed on the shell (100) and is a rod body used for supporting and positioning the hook body (341);
the hook bodies (341) are in a hook shape or arc shape, the number of the hook bodies is multiple, one end of each hook body is rotatably connected to the support rod (342), a torsion spring is positioned at the connecting position, and the other end of each hook body (341) penetrates through the tubular filter screen (210);
the hook body (341) is arranged close to the tamper guide assembly (330);
when the tubular filter screen (210) rotates, the hook body (341) hooks the tubular filter screen (210), the tubular filter screen (210) is partially elongated until the tubular filter screen (210) is separated from the hook body (341), and the tubular filter screen (210) is rapidly rebounded to eject sundries when being separated from the hook body (341).
5. The thoracic surgery-specific drainage device filter of any one of claims 1 to 4, wherein: the net body adsorption component (500) comprises a suction plate (510) and a suction plate support body (520);
the suction plate (510) is a plate body made of iron or a magnet and is fixed on the inner wall of the shell (100) through a suction plate support body (520);
the suction plate (510) is positioned between the driving roller (220) and the reversing roller (230), and the upper surface of the suction plate is a plane;
the tubular filter screen (210) is formed by weaving a hollow elastic tube, magnetic fluid, magnetic powder or iron powder is filled in the hollow elastic tube, and the tubular filter screen (210) can be sunken towards the direction of the suction plate (510) under the action of magnetic force when in use.
6. The thoracic surgery specialized drainage device filter of claim 1, wherein: a pipe body channel (180) is arranged at the bottom of the sewage storage space (140);
a drainage assembly (600) is positioned on the pipe body channel (180), the drainage assembly (600) comprises a drainage pipe (610), and the drainage pipe (610) penetrates into the shell (100) and communicates the sewage storage space (140) with a drainage pipe positioned at the lower end of the shell (100);
water permeable holes (611) are densely distributed on the drain pipe (610) in the sewage storage space (140), and the water permeable holes (611) are through holes.
7. The thoracic surgical drainage device filter of claim 1, wherein: annular cylinder wall grooves (240) are formed in the driving roller (220) and the reversing roller (230), a heating body (250) is positioned in the driving roller (220), and the heating body (250) is an electric heating plate or a heating wire;
a plurality of cylinder wall grooves (240) are arranged on the driving roller (220) and the reversing roller (230) to form a plurality of annular bulges;
the wall groove (240) on the driving roller (220) corresponds to the annular bulge on the reversing roller (230);
the tubular filter screen (210) is formed by weaving hollow elastic tubes, and paraffin is filled in the hollow elastic tubes;
the dirt scraping plate (400) corresponds to the outer contour of the driving roller (220).
8. The thoracic surgical drainage device filter of claim 1, wherein: further comprising a sliding lift post assembly (700);
the sliding lifting column assembly (700) comprises a column body (710), a sliding groove (720), a pulling rope (730), a rope through hole (740), a rope body retracting assembly (750), a guide pipe (760) and a piston (770);
the sliding groove (720) is a straight groove, is vertically arranged, is arranged on the inner wall of the shell (100), and is used for guiding the sliding of the column body (710);
the cylinder (710) is a polygonal cylinder, is positioned on the sliding groove (720) in a sliding manner and is positioned at the bottom of the tubular filter screen (210);
the spatial position of the cylinder (710) is that the upper cylinder (710) is close to the tamper bar (320) and the bottom clapboard (121);
the column (710) is normally positioned at the bottommost end of the sliding groove (720);
the guide tube (760) is positioned on the upper cover of the negative pressure drainage bottle and is communicated with the inside of the negative pressure drainage bottle;
the piston (770) is slidably positioned on the guide tube (760);
the pulling rope (730) plays a role of conducting force, one end of the pulling rope is fixed on the column body (710), and the other end of the pulling rope is fixed on the piston (770);
the rope penetrating hole (740) is positioned on the wall of the shell (100) and is a through hole for facilitating the pulling rope (730) to penetrate into the shell (100); a closed rubber block (741) is positioned on the rope penetrating hole (740) to play a role in sealing, and the pulling rope (730) penetrates through the closed rubber block (741);
the rope body winding and unwinding assembly (750) is of a winding drum structure and is used for controlling the length of the pulling rope (730).
9. The thoracic surgical drainage device filter of claim 1, wherein: the positioning rod (310) and the driving roller (220) have the same axial direction, but the distance between the axes is more than 1.5 cm.
10. The thoracic surgery specialized drainage device filter of claim 2, wherein: the top end of the bottom clapboard (121) is butted against the tubular filter screen (210); the two ends of the tubular filter screen (210) are butted against the inner wall of the shell (100).
CN202211495943.7A 2022-11-28 2022-11-28 Special drainage device filter of thoracic surgery Active CN115518214B (en)

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9962516B2 (en) * 2010-09-09 2018-05-08 University Of Florida Research Foundation, Incorporated Context-sensitive flow interrupter and drainage outflow optimization system
CN109364312B (en) * 2018-12-19 2021-08-20 孔祥瑞 Stifled drainage device is prevented to thoracic surgery
JP7237351B2 (en) * 2019-04-23 2023-03-13 泉工医科工業株式会社 Reservoir and extracorporeal circulation system
CN112972796A (en) * 2021-03-05 2021-06-18 青岛大学附属医院 Thoracic surgery is with preventing stifled drainage device
CN112972797B (en) * 2021-03-15 2021-10-08 青岛大学附属医院 Thoracic surgery is with preventing stifled drainage device
CN113456905A (en) * 2021-07-09 2021-10-01 四川大学华西医院 Prevent portable thoracic surgery drainage device of jam
CN215537040U (en) * 2021-08-06 2022-01-18 溧阳市人民医院 Stifled drainage device is prevented to thoracic surgery
CN113926007B (en) * 2021-11-17 2023-10-27 甘肃省武威肿瘤医院(武威医学科学研究院) Anti-leakage drainage device for general surgical clinical operation
CN217245745U (en) * 2022-01-17 2022-08-23 南方医科大学顺德医院(佛山市顺德区第一人民医院) Cardiothoracic surgery drainage device with prevent blockking up

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