CN111359032A - Continuous negative pressure drainage device for orthopedic internal fixation - Google Patents
Continuous negative pressure drainage device for orthopedic internal fixation Download PDFInfo
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- CN111359032A CN111359032A CN202010213617.7A CN202010213617A CN111359032A CN 111359032 A CN111359032 A CN 111359032A CN 202010213617 A CN202010213617 A CN 202010213617A CN 111359032 A CN111359032 A CN 111359032A
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- drainage
- negative pressure
- movable
- pressure
- dredging
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- A61M1/0023—
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- A61M1/0001—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/83—Tube strippers, i.e. for clearing the contents of the tubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a continuous negative pressure drainage device for orthopedics internal fixation, which comprises a support component, a drainage component and a dredging component, wherein the support component is positioned at the lowest part of the device, the drainage component is arranged above the support component, and the dredging component is arranged on the drainage component, the invention has the advantages of scientific and reasonable structure and safe and convenient use, the whole process of the device can be carried out without any manual operation, the blockage in the drainage tube is dredged by a pressurization method of superposition and centralized release of normal negative pressure suction, so that an operation patient does not need to pay attention to observe constantly to avoid the blockage phenomenon of the drainage tube, a large-flow one-way valve main body, a ball-blocking moving groove, a ball-blocking channel and a flow passage are designed, the one-way valve in the prior art is not adopted to ensure that the blocky objects in the drainage process cannot be blocked at the one-way valve, the design is not easy to cause, when one drainage bottle is full, the empty drainage bottle does not need to be replaced immediately, and the continuous usability of the device is improved.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a continuous negative pressure drainage device for orthopedic internal fixation.
Background
In the prior medical technical means, after an operation, dirty matters such as purulent blood and the like can continuously flow out from a wound of a patient, in order to clean the dirty matters and prevent the wound of the patient from being infected, a negative pressure drainage device is born, but the negative pressure drainage device in the prior art needs medical staff and the patient to constantly pay attention to whether a drainage bottle is full and needs to be replaced, the content of a drainage tube is easy to be blocked by massive matters such as blood, the patient can extrude the blocked matters through cough action in thoracic cavity operation to recover the drainage effect of the drainage device, but the blockage can not be cleaned effectively in time when the drainage is carried out after the operation such as orthopaedics internal fixation, the drainage time is generally 1 to 3 days, because the drainage tube is long and blocked, the recovery of the wound of the patient is extremely unfavorable under the condition that no person finds out, and if no person finds that the drainage bottle is full, the normal drainage and the sanitation of the surrounding environment can be influenced, there is a need for a continuous negative pressure drainage device for orthopedic internal fixation to solve the above problems.
Disclosure of Invention
The invention aims to provide a continuous negative pressure drainage device for orthopedic internal fixation so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an orthopedics internal fixation is with lasting negative pressure drainage device, includes supporting component, drainage subassembly, mediation subassembly, the supporting component is located this device the below, the supporting component plays the effect of supporting other parts of this device, the supporting component top is provided with the drainage subassembly, the drainage subassembly plays the effect of drainage wound exhaust filth, be provided with the mediation subassembly on the drainage subassembly, the mediation subassembly plays automatic mediation drainage subassembly, prevents the effect of internal blocking.
The supporting component comprises a base, a fixing seat and a mounting column, the base is located at the lowest part of the whole set of device, a plurality of fixing seats are fixedly mounted above the base, the mounting column is fixedly mounted in the center of the base, the base is placed on a plane, the fixing seats play a role in fixing the drainage bottle, and the suction apparatus interface is fixedly communicated with an external negative pressure suction apparatus.
The drainage component comprises a drainage bottle, a connecting pipe, an air-regulating valve, an aspirator interface, a drainage tube, a groove is arranged above the fixing seat, the interior of the groove is clamped with the drainage bottle, the drainage bottle is provided with a plurality of drainage bottles, the connecting pipe is inserted and installed above the drainage bottle, the drainage bottle is sequentially communicated with the connecting pipe, the top end of the installation column is fixedly provided with the air-regulating valve, one end of the air-regulating valve, which is far away from the aspirator interface, is provided with the drainage bottle through the fixed connection of the connecting pipe, the last drainage bottle is fixedly communicated with the drainage tube above the drainage bottle in sequence, the liquid such as the purulent blood flowing out from the operation wound of the operation patient flows into the drainage bottle through the drainage tube, the lengths of the two end ends of the connecting pipe are different, because the drainage time is longer, when the liquid in one drainage bottle is filled with the liquid, the suction flows in proper order, and a plurality of drainage bottle communicates each other, need not change empty drainage bottle immediately after a drainage bottle is full, has improved the continuation usability of this device, and the air-vent valve is responsible for mediating the suction that receives of this device to the inside negative pressure suction size of this device of control.
The dredging component comprises a dredging auxiliary pipe, a one-way air valve, a sealing fixed plate, a pressure block, a light spring, a movable ejector rod movable groove, a clamping groove channel, a clamping block support column, a clamping block, a clamping groove, a rubber sealing sleeve, an end sealing sleeve, a movable rotating plate, a movable ejector rod and a spiral moving groove, the dredging component is arranged on the drainage pipe, the dredging auxiliary pipe is fixedly communicated with the drainage pipe, the one-way air valve is fixedly arranged on one side of the dredging auxiliary pipe, the sealing fixed plate is fixedly arranged in the middle of the dredging auxiliary pipe, the pressure block is fixedly arranged at one end of the sealing fixed plate close to the one-way air valve, the movable ejector rod movable groove is arranged inside the pressure block, the clamping groove channel is arranged at one end of the pressure block close to the sealing fixed, the top end of the fixture block supporting column is fixedly provided with a clamping groove, one end of the pressure block, far away from the sealing fixed plate, is fixedly provided with a light spring, one end of the light spring, far away from the pressure block, is fixedly provided with a pressure block, a plurality of the pressure blocks are sequentially connected with the light spring, a rubber sealing sleeve is fixedly arranged between the pressure block and the pressure block, closest to one side of the one-way air valve, is fixedly provided with an end sealing sleeve, one side of the sealing fixed plate, far away from the one-way air valve, is provided with a movable rotating plate, one side of the movable rotating plate, close to the pressure block, is fixedly provided with a movable ejector rod, the movable ejector rod is penetratingly arranged in a movable groove of the movable ejector rod, one side of the, the spiral moving groove is attached to the moving rotating plate, the spiral moving groove is a spiral moving groove, when a drainage tube is blocked by blood clots and other blocks and the blockage cannot be sucked out by negative pressure suction in the process of liquid flowing in the drainage tube, the negative pressure suction can be completely turned to the inside of the dredging auxiliary tube on the side of the drainage tube, the moving rotating plate moves towards the suction direction under the action of the suction force, the moving rotating plate slides along the spiral moving groove in the moving process, so that the moving rotating plate generates rotary motion, the moving rotating plate rotates to drive the moving ejector rod to rotate, meanwhile, in the process that the moving rotating plate moves towards the suction direction, negative pressure can be generated in a closed space between the moving ejector rod and the end sealing sleeve to drive the end sealing sleeve to move towards the moving rotating plate, the light spring is compressed in the process until the supporting column penetrates into the clamping groove channel, finally, the clamping blocks are clamped into the clamping grooves, when one group of clamping blocks is clamped into the clamping grooves, the elastic potential energy of the springs between the two corresponding pressure blocks which are restored to deform is balanced, so that the negative pressure suction force in the end sealing sleeves can continuously suck the end sealing sleeves towards the direction of the movable rotating plate, when the end sealing sleeves move towards the direction of the movable rotating plate, the outside air can enter the space on one side, close to the end sealing sleeves, of the dredging auxiliary pipe through the one-way air valve to balance the internal pressure, until the clamping blocks on all the pressure blocks are clamped into the clamping grooves on the pressure blocks on the side, all the light springs are in a compressed state, the movable rotating plate continuously rotates to drive the movable ejector rod to rotate, the movable ejector rod is caused to slide along the movable groove track of the movable ejector rod, when the movable ejector strip on the movable ejector rod contacts, at the moment, the pressure block loses the limiting function, the elasticity of all the light springs is concentrated on one line to eject the end sealing sleeve, one side of the end sealing sleeve, which is close to the one-way air valve, can generate high pressure and generate positive pressure to one side of the drainage tube, which is far away from the suction apparatus interface, along the pipeline direction, in the process of recovering the deformation of the light spring, the movable rotating plate is pulled back towards the end sealing sleeve by air pressure, so that one side of the movable rotating plate, which is far away from the one-way air valve, generates high-strength negative pressure, under the combined action of negative pressure suction caused by the negative pressure inside the dredging auxiliary pipe and an external suction device to the drainage pipe, the negative pressure suction inside the drainage pipe is far higher than the suction during normal suction operation, so that a blockage can be sucked out quickly, the negative pressure suction device continues to operate, the whole process can be carried out without any manual operation, and an operation patient does not need to pay attention to observe constantly to avoid the phenomenon of blockage of the drainage pipe.
The dredging component further comprises a large-flow one-way valve main body, a ball blocking moving groove, a ball blocking and a flow channel, wherein the large-flow one-way valve main body is arranged on one side, close to the drainage tube, of the dredging auxiliary tube, the ball blocking moving groove is formed in the large-flow one-way valve main body, the ball blocking moving groove is placed in the ball blocking moving groove, the flow channel is installed on the ball blocking moving groove in a communicating mode, the flow channel is two in number, in the process of automatically cleaning up blocking objects, when gas and liquid on one side of the dredging auxiliary tube flow towards the ball blocking direction, the flow channel can be blocked by the ball blocking, the large-flow one-way valve main body, the ball blocking moving groove, the ball blocking and the flow channel are designed, the one-way valve in the prior art is not adopted so as to ensure that the blocks in the.
Compared with the prior art, the invention has the beneficial effects that:
this device is whole can go on under no any manual operation, the pressurization method of utilizing the stack of normal negative pressure suction and concentrated release mediation drainage tube inside plug, make the operation patient need not to pay attention to constantly and observe the phenomenon of avoiding the drainage tube to block up and produce, design large-traffic check valve main part, keep off the ball shifting chute, keep off the ball, the runner, and do not adopt the check valve among the prior art to be in order to guarantee that the cubic thing of drainage in-process can not block up in check valve department, this design inside flow space is big, be difficult for causing the jam, design a plurality of drainage bottle intercommunication each other, need not change empty drainage bottle immediately after a drainage bottle is full, the continuous usability of this device has been improved.
Drawings
FIG. 1 is a schematic view of the general structure of a continuous negative pressure drainage device for orthopedic internal fixation according to the present invention;
FIG. 2 is a schematic sectional structural view of a dredging assembly of the continuous negative pressure drainage device for orthopedic internal fixation of the invention;
FIG. 3 is a schematic view of a top view of a pressure block of the continuous negative pressure drainage device for orthopedic internal fixation according to the present invention;
FIG. 4 is a schematic view of a movable rotating plate of the continuous negative pressure drainage device for orthopedic internal fixation according to the present invention;
FIG. 5 is a schematic view of the bottom view of the pressure block of the continuous negative pressure drainage device for orthopedic internal fixation according to the present invention;
FIG. 6 is a schematic structural view of the area A in FIG. 5 of the continuous negative pressure drainage device for orthopedic internal fixation according to the present invention;
FIG. 7 is a schematic view of the structure of the communication relationship of the drainage bottle of the continuous negative pressure drainage device for orthopedic internal fixation;
FIG. 8 is a schematic view of the internal structure of the dredging auxiliary tube of the continuous negative pressure drainage device for orthopedic internal fixation of the present invention;
fig. 9 is a schematic structural view of a movable rotating plate of the continuous negative pressure drainage device for orthopedic internal fixation of the invention.
Reference numbers in the figures: 101. a base; 102. a fixed seat; 103. mounting a column; 201. a drainage bottle; 202. connecting the pipe; 203. a pressure regulating valve; 204. an aspirator interface; 205. a drainage tube; 300. a dredging component; 310. dredging the auxiliary pipe; 311. a one-way air valve; 312. sealing the fixed plate; 313. a pressure block; 314. a light spring; 315. moving the ejector rod movable groove; 316. a card slot channel; 317. a fixture block support column; 318. a clamping block; 319. a card slot; 320. a rubber sealing sleeve; 321. an end seal cartridge; 322. moving the rotating plate; 3221. a slider; 323. moving the ejector rod; 3231. moving the top strip; 324. a spiral moving groove; 401. a large flow check valve body; 402. a ball blocking moving groove; 403. blocking the ball; 404. and a flow passage.
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.
Example (b): as shown in figures 1-9, a orthopedics internal fixation is with lasting negative pressure drainage device, including supporting component, drainage subassembly, mediation subassembly 300, the supporting component is located the below of this device, and the supporting component plays the effect of supporting other parts of this device, and the supporting component top is provided with the drainage subassembly, and the drainage subassembly plays the effect of drainage wound exhaust filth, is provided with mediation subassembly 300 on the drainage subassembly, and mediation subassembly 300 plays automatic mediation drainage subassembly, prevents the effect of internal blockage.
The supporting component comprises a base 101, a fixing seat 102 and a mounting column 103, the base 101 is located at the lowest part of the whole set of device, the fixing seat 102 is fixedly mounted above the base 101, the mounting column 103 is fixedly mounted in the center of the base 101, the base 101 is placed on a plane, the fixing seat 102 plays a role in fixing the drainage bottle 201, and the aspirator port 204 is fixedly communicated with an external negative pressure aspirator.
The drainage assembly comprises drainage bottles 201, adapter tubes 202, pressure regulating valves 203, aspirator connectors 204 and drainage tubes 205, a groove is arranged above a fixed seat 102, the drainage bottles 201 are clamped and installed in the groove, a plurality of drainage bottles 201 are inserted and installed above the drainage bottles 201, the drainage bottles 201 are sequentially communicated through the adapter tubes 202, the pressure regulating valves 203 are fixedly installed at the top ends of installation columns 103, the aspirator connectors 204 are arranged at one ends of the pressure regulating valves 203, the drainage bottles 201 are fixedly communicated at one ends, far away from the aspirator connectors 204, of the pressure regulating valves 203 through the adapter tubes 202, the drainage tubes 205 are fixedly communicated above the last drainage bottles 201 which are sequentially communicated, liquid such as pus blood and the like flowing out from an operation wound of a surgical patient flows into the drainage bottles 201 through the drainage tubes 205, the lengths of the two ends of the adapter tubes 202 are different, because the drainage time is long, when liquid in one drainage bottle 201 is filled, the liquid in the interior can suck redundant liquid to the, the suction flows in proper order, and a plurality of drainage bottle 201 communicates each other, need not change empty drainage bottle 201 immediately after a drainage bottle 201 is full, has improved the continuation usability of this device, and the air-vent valve 203 is responsible for mediating the suction that receives of this device to the inside negative pressure suction size of this device of control.
The dredging component 300 comprises a dredging auxiliary pipe 310, a one-way air valve 311, a sealing fixing plate 312, a pressure block 313, a light spring 314, a movable ejector rod moving groove 315, a clamping groove channel 316, a clamping block supporting column 317, a clamping block 318, a clamping groove 319, a rubber sealing sleeve 320, an end sealing sleeve 321, a movable rotating plate 322, a movable ejector rod 323, a movable ejector strip 3231 and a spiral moving groove 324, the dredging component 300 is arranged on a drainage pipe 205, the dredging auxiliary pipe 310 is fixedly communicated with the drainage pipe 205, the one-way air valve 311 is fixedly arranged on one side of the dredging auxiliary pipe 310, the sealing fixing plate 312 is fixedly arranged in the middle of the dredging auxiliary pipe 310, the pressure block 313 is fixedly arranged at one end of the sealing fixing plate 312 close to the one-way air valve 311, the movable ejector rod groove 315 is arranged in the pressure block 313, the clamping groove, a fixture block supporting column 317 is fixedly installed at one end of the pressure block 313 far away from the fixture block channel 316, a fixture block 319 is fixedly installed at the top end of the fixture block supporting column 317, a light spring 314 is fixedly installed at one end of the pressure block 313 far away from the sealing fixing plate 312, a pressure block 313 is fixedly installed at one end of the light spring 314 far away from the pressure block 313, a plurality of pressure blocks 313 are sequentially connected with the light spring 314, a rubber sealing sleeve 320 is fixedly installed between the pressure block 313 and the pressure block 313, an end sealing sleeve 321 is fixedly installed on the pressure block 313 closest to one side of the one-way air valve 311, a movable rotating plate 322 is arranged at one side of the sealing fixing plate 312 far away from the one-way air valve 311, a movable ejector rod 323 is fixedly installed at one side of the movable rotating plate 322 close to the pressure block 313, the movable ejector rod 323 is penetratingly installed, the side wall of the movable rotating plate 322 is fixedly provided with a sliding block 3221, the spiral moving groove 324 is attached to the sliding block 3221, the spiral moving groove 324 is a spiral moving groove 324, when a block such as a blood clot blocks the drainage tube 205 and the negative pressure suction force cannot suck out the block in the process of flowing the liquid in the drainage tube 205, the negative pressure suction force is completely turned to the inside of the dredging auxiliary tube 310 at the side of the drainage tube 205, the movable rotating plate 322 moves towards the suction force direction under the action of the suction force, the sliding block 3221 slides along the spiral moving groove 324 in the moving process, so that the movable rotating plate 322 generates a rotating motion, the movable rotating plate 322 rotates to drive the movable push rod 323 to rotate, and meanwhile, in the process of moving the movable rotating plate 322 towards the suction force direction, the sealed space between the movable push rod 323 and the end sealing sleeve 321 generates a negative pressure to drive the end sealing, in the process, the light springs 314 are compressed until the fixture block support columns 317 penetrate into the fixture groove channels 316, finally the fixture blocks 318 are clamped into the fixture grooves 319, when one set of fixture blocks 318 are clamped into the fixture grooves 319, elastic potential energy of the springs between the two corresponding pressure blocks 313 recovering deformation is balanced, so that negative pressure suction force in the end sealing sleeves 321 can continuously suck the end sealing sleeves 321 towards the direction of the movable rotating plate 322, when the end sealing sleeves 321 move towards the direction of the movable rotating plate 322, outside air can enter spaces on one sides, close to the end sealing sleeves 321, of the auxiliary pipe 310 through the one-way air valves 311 to dredge the outside air, the internal pressure is balanced until all the fixture blocks 318 on the pressure blocks 313 are clamped into the fixture grooves 319 on the side pressure blocks 313, all the light springs 314 are in a compressed state, the movable rotating plate 322 is moved to continuously rotate the movable ejector rod 323, and the movable ejector rod 323 is caused, when the movable top bar 3231 on the movable top bar 323 contacts the clamping block 318 clamped in the clamping groove 319, the movable top bar 323 can push the clamping block 318 out of the clamping groove 319, at this time, the pressure block 313 loses the limiting function, the elastic force of all the light springs 314 can be concentrated on a line to push the end sealing sleeve 321 out, one side of the end sealing sleeve 321 close to the one-way air valve 311 can generate high pressure to generate positive pressure to one side of the drainage tube 205 away from the aspirator connector 204 along the pipeline direction, in the process of recovering the deformation of the light springs 314, the movable rotating plate 322 can be pulled back towards the end sealing sleeve 321 by air pressure, so that one side of the movable rotating plate 322 away from the one-way air valve 311 generates high-strength negative pressure, under the combined action of negative pressure in the dredging auxiliary tube 310 and negative pressure suction of the external aspirator to the drainage tube 205, at this time, the negative pressure suction in the, the blockage can be sucked out quickly, the negative pressure suction device can continue to operate, the whole process can be carried out without any manual operation, and the operation patient does not need to pay attention to observe constantly to avoid the blockage phenomenon of the drainage tube 205.
The dredging component 300 further comprises a large-flow one-way valve main body 401, a ball blocking moving groove 402, a ball blocking 403 and a flow channel 404, the large-flow one-way valve main body 401 is arranged on one side, close to the drainage tube 205, of the dredging auxiliary tube 310, the ball blocking moving groove 402 is formed in the large-flow one-way valve main body 401, the ball blocking 403 is placed in the ball blocking moving groove 402, the ball blocking moving groove 402 is provided with the flow channel 404 in a communicating mode, the number of the flow channel 404 is two, in the process of automatically cleaning up the blockage, when gas and liquid on one side of the dredging auxiliary tube 310 flow towards the ball blocking 403, the flow channel is blocked by the ball blocking 403, the dredging process cannot be smoothly completed, when the gas and liquid in the drainage tube 205 move towards the direction away from the ball blocking 403, the ball blocking 403 is driven by the flow direction of the gas and liquid in the ball blocking moving groove 402, so that the, The check ball moving groove 402, the check ball 403 and the flow channel 404 are not adopted, but a check valve in the prior art is adopted to ensure that a blocky object in the drainage process cannot be blocked at the check valve, and the design has large internal flow space and is not easy to cause blockage.
The working principle of the invention is as follows:
the base 101 is placed on a plane, the fixing seat 102 plays a role in fixing the drainage bottle 201, the aspirator connector 204 is fixedly communicated with an external negative pressure aspirator, liquid such as purulent blood flowing out from an operation wound of an operation patient flows into the drainage bottle 201 through the drainage tube 205, the lengths of two ends of the connecting tube 202 are different, because the drainage time is longer, when liquid in one drainage bottle 201 is full, the internal liquid can suck redundant liquid to the next drainage bottle 201 under the action of negative pressure suction force and sequentially suck and flow, a plurality of drainage bottles 201 are communicated with one another, when one drainage bottle 201 is full, an empty drainage bottle 201 does not need to be replaced immediately, the continuous usability of the device is improved, the pressure regulating valve 203 is used for regulating the suction force borne by the device, so that the magnitude of the negative pressure suction force in the device is controlled, when the liquid flows in the drainage tube 205, when the drainage tube 205 is blocked by massive blood and the negative pressure suction force cannot suck and draw out the blocked object, the negative pressure suction force can be completely turned to the inside of the dredging auxiliary tube 310 on the side of the drainage tube 205, the movable rotating plate 322 moves towards the suction force direction under the action of the suction force, the sliding block 3221 slides along the spiral moving groove 324 in the moving process, so that the movable rotating plate 322 generates rotary motion, the movable rotating plate 322 rotates to drive the movable ejector rod 323 to rotate, meanwhile, in the moving process of the movable rotating plate 322 towards the suction force direction, negative pressure can be generated in a closed space between the movable ejector rod 323 and the end sealing sleeve 321, the end sealing sleeve 321 is driven to move towards the movable rotating plate 322, the light spring 314 is compressed in the process until the fixture block 317 supporting column penetrates into the clamping groove channel 316, finally, the fixture block 318 is clamped into the clamping groove 319, when one set of the fixture blocks 318 is clamped into the clamping groove 319, the elastic potential energy of the springs between the two corresponding pressure blocks 313, which are restored to deformation, can be balanced, and the negative When the end sealing sleeves 321 are sucked and moved towards the moving rotating plate 322, external air enters the space on one side, close to the end sealing sleeves 321, of the dredging auxiliary pipe 310 through the one-way air valve 311, the internal pressure is balanced, until all the clamping blocks 318 on the pressure blocks 313 are clamped into the clamping grooves 319 on the side pressure blocks 313, all the light springs 314 are in a compressed state, the moving rotating plate 322 continues to rotate to drive the moving ejector rods 323 to rotate, so that the moving ejector rods 323 slide along the moving grooves 315 of the moving ejector rods, when the moving ejector strips 3231 on the moving ejector rods 323 contact the clamping blocks 318 clamped in the clamping grooves 319, the moving ejector rods 323 can eject the clamping blocks 318 out of the clamping grooves 319, at the moment, the pressure blocks 313 lose the limiting effect, the elastic forces of all the light springs 314 are concentrated on one line to eject the end sealing sleeves 321, and one side, close to the one-way air valve, the positive pressure is generated on the side of the drainage tube 205 far away from the suction apparatus interface 204 along the pipeline direction, in the process that the light spring 314 recovers the deformation, the movable rotating plate 322 is pulled back towards the end sealing sleeve 321 by the air pressure, so that the side of the movable rotating plate 322 far away from the one-way air valve 311 generates high-strength negative pressure, under the combined action of the negative pressure inside the dredging auxiliary tube 310 and the negative pressure suction caused by the external suction apparatus to the drainage tube 205, the negative pressure suction inside the drainage tube 205 is far higher than the suction force in the normal suction operation, so that the blockage can be quickly sucked out, the negative pressure suction apparatus continues to operate, the whole process can be carried out without any manual operation, the operation patient does not need to pay attention to observe constantly to avoid the blockage phenomenon of the drainage tube 205, in the process of automatically clearing the blockage, when the air and liquid on the side of the dredging auxiliary tube 310 flows towards the direction of the blocking ball, the dredging process is prevented from being completed smoothly, when gas and liquid in the drainage tube 205 move towards the direction far away from the blocking ball 403, the flow direction of the gas and liquid inside the drainage tube 205 can drive the blocking ball 403 to enter the blocking ball moving groove 402, the drainage channel is smooth, the drainage liquid inside the drainage tube 205 can flow along the channel of the flow channel 404, the large-flow one-way valve main body 401, the blocking ball moving groove 402, the blocking ball 403 and the flow channel 404 are designed, the one-way valve in the prior art is not adopted to ensure that blocks in the drainage process cannot be blocked at the one-way valve, the designed internal flow space is large, and blocking is not easy to cause.
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.
Claims (6)
1. The utility model provides an orthopedics internal fixation is with lasting negative pressure drainage device which characterized in that: including supporting component, drainage subassembly, mediation subassembly (300), the supporting component is located this device the below, the supporting component plays the effect of supporting other parts of this device, the supporting component top is provided with the drainage subassembly, the drainage subassembly plays the effect of drainage wound exhaust foul substance, be provided with mediation subassembly (300) on the drainage subassembly, mediation subassembly (300) plays automatic mediation drainage subassembly, prevents the effect of inside jam.
2. The continuous negative pressure drainage device for the orthopedic internal fixation surgery according to claim 1, characterized in that: the supporting component comprises a base (101), fixing seats (102) and mounting columns (103), wherein the base (101) is located at the lowest part of the whole device, the plurality of fixing seats (102) are fixedly mounted above the base (101), and the mounting columns (103) are fixedly mounted in the center of the base (101).
3. The continuous negative pressure drainage device for the orthopedic internal fixation surgery according to claim 2, characterized in that: drainage subassembly includes drainage bottle (201), connection pipe (202), air-vent valve (203), aspirator interface (204), drainage tube (205), the recess has been seted up to fixing base (102) top, the inside card of recess is gone into and is installed drainage bottle (201), drainage bottle (201) have a plurality of, drainage bottle (201) top is inserted and is installed connection pipe (202), connection pipe (202) communicate drainage bottle (201) in proper order, erection column (103) top fixed mounting has air-vent valve (203), air-vent valve (203) one end is provided with aspirator interface (204), air-vent valve (203) are kept away from aspirator interface (204) one end and are had drainage bottle (201) through connection pipe (202) fixed intercommunication, the last one that communicates in proper order drainage bottle (201) top fixed intercommunication has drainage tube (205).
4. The continuous negative pressure drainage device for the orthopedic internal fixation surgery according to claim 3, characterized in that: the dredging component (300) comprises a dredging auxiliary pipe (310), a one-way air valve (311), a sealing fixing plate (312), a pressure block (313), a light spring (314), a movable ejector rod moving groove (315), a clamping groove channel (316), a clamping block supporting column (317), a clamping block (318), a clamping groove (319), a rubber sealing sleeve (320), an end sealing sleeve (321), a movable rotating plate (322), a movable ejector rod (323), a movable ejector rod (3231) and a spiral moving groove (324), the drainage pipe (205) is provided with the dredging component (300), the drainage pipe (205) is fixedly communicated with the dredging auxiliary pipe (310), one side of the dredging auxiliary pipe (310) is fixedly provided with the one-way air valve (311), the middle part of the dredging auxiliary pipe (310) is fixedly provided with the sealing fixing plate (312), one end of the sealing fixing plate (312) close to the one-way air valve (311, a movable push rod groove (315) is formed in the pressure block (313), a clamping groove channel (316) is formed in one end, close to the sealing fixing plate (312), of the pressure block (313), a clamping groove (319) is formed in the bottom end of the clamping groove channel (316), a clamping block supporting column (317) is fixedly installed at one end, far away from the clamping groove channel (316), of the pressure block (313), a clamping groove (319) is fixedly installed at the top end of the clamping block supporting column (317), a light spring (314) is fixedly installed at one end, far away from the sealing fixing plate (312), of the pressure block (313), the pressure blocks (313) are fixedly installed at one end, far away from the pressure block (313), of the light spring (314), the pressure blocks (313) are sequentially connected with the light spring (314), a rubber sealing sleeve (320) is fixedly installed between the pressure blocks (313), and an end sealing sleeve (321) is fixedly installed on the pressure block (313, one side of the sealing and fixing plate (312) far away from the one-way air valve (311) is provided with a movable rotating plate (322), the movable rotating plate (322) is close to one side of the pressure block (313) and is fixedly provided with a movable ejector rod (323), the movable ejector rod (323) is installed in a movable groove (315) of the movable ejector rod in a penetrating manner, the movable ejector rod (323) is close to one side of the clamping groove channel (316) and is fixedly provided with a movable ejector rod (3231), a spiral moving groove (324) is formed in the inner side wall of the dredging auxiliary pipe (310), a sliding block (3221) is fixedly installed on the side wall of the movable rotating plate (322), the spiral moving groove (324) is attached to the sliding block (3221), and the spiral moving groove (324.
5. The continuous negative pressure drainage device for the orthopedic internal fixation surgery according to claim 4, characterized in that: the dredging component (300) further comprises a large-flow one-way valve main body (401), a ball blocking moving groove (402), a ball blocking (403) and a flow channel (404), one side, close to the drainage tube (205), of the dredging auxiliary tube (310) is provided with the large-flow one-way valve main body (401), the ball blocking moving groove (402) is formed in the large-flow one-way valve main body (401), the ball blocking (403) is placed in the ball blocking moving groove (402), and the flow channel (404) is installed on the ball blocking moving groove (402) in a communicated mode.
6. The continuous negative pressure drainage device for the orthopedic internal fixation surgery according to claim 5, characterized in that: the flow passages (404) are two in number.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213617.7A CN111359032B (en) | 2020-03-24 | 2020-03-24 | Continuous negative pressure drainage device for orthopedic internal fixation |
| CN202011443074.4A CN112587735B (en) | 2020-03-24 | 2020-03-24 | Continuous negative pressure drainage device for orthopaedics internal fixation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213617.7A CN111359032B (en) | 2020-03-24 | 2020-03-24 | Continuous negative pressure drainage device for orthopedic internal fixation |
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| CN202011443074.4A Division CN112587735B (en) | 2020-03-24 | 2020-03-24 | Continuous negative pressure drainage device for orthopaedics internal fixation |
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| Publication Number | Publication Date |
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| CN111359032A true CN111359032A (en) | 2020-07-03 |
| CN111359032B CN111359032B (en) | 2020-12-22 |
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| CN202011443074.4A Active CN112587735B (en) | 2020-03-24 | 2020-03-24 | Continuous negative pressure drainage device for orthopaedics internal fixation |
| CN202010213617.7A Active CN111359032B (en) | 2020-03-24 | 2020-03-24 | Continuous negative pressure drainage device for orthopedic internal fixation |
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| CN202011443074.4A Active CN112587735B (en) | 2020-03-24 | 2020-03-24 | Continuous negative pressure drainage device for orthopaedics internal fixation |
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| CN113144305B (en) * | 2021-04-14 | 2022-06-10 | 青岛大学附属医院 | Drainage device with fixed support function for cardiovascular surgery |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112587735A (en) | 2021-04-02 |
| CN112587735B (en) | 2023-09-29 |
| CN111359032B (en) | 2020-12-22 |
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