CN112472888B - Active closed drainage mechanism for pleuroperitoneal cavity surgery - Google Patents
Active closed drainage mechanism for pleuroperitoneal cavity surgery Download PDFInfo
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- CN112472888B CN112472888B CN202011513032.3A CN202011513032A CN112472888B CN 112472888 B CN112472888 B CN 112472888B CN 202011513032 A CN202011513032 A CN 202011513032A CN 112472888 B CN112472888 B CN 112472888B
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- drainage
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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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/101—Pleural cavity
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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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1021—Abdominal cavity
Abstract
The invention discloses an active closed drainage mechanism for pleuroperitoneal cavity surgery, and particularly relates to the field of medical treatment. Above-mentioned scheme, this medical drainage mechanism adopts the mode of active drainage, and the work of the transmission drive control initiative drainage ware that utilizes actuating mechanism utilizes the peristaltic pumping to guide oozing blood, hydrops etc. with patient internal or local operation depths to external, avoids liquid such as hydrops to be detained the fungus urine infection and other postoperative risks that lead to in patient internal long-time, has improved this drainage mechanism's practicality.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to an active closed drainage mechanism for a pleuroperitoneal cavity surgery.
Background
The drainage bag is a commonly used postoperative care tool, and particularly aims at wound surfaces of wounds at abdominal cavities and thoracic cavities, which cannot be closed due to high internal pressure or are formed by skin ulceration, exudates at the wound surfaces usually need to be treated, and domestic medical institutions generally adopt gauze to treat the problems that the gauze is applied to the wounds which cannot be closed, pleural effusion is commonly caused by pathogenic bacteria (most common tubercle bacillus), fungi, parasites, mycoplasma, viruses and the like, tuberculous exudative pleuritis, tuberculous empyema and other diseases, metastatic carcinoma is caused by pleural metastasis (secondary) of malignant tumors at pleura self (primary) or other parts, in addition, pleural effusion and rheumatoid arthritis and the like in connective tissue diseases can be accompanied by pleural effusion, so that the exudates easily overflow in a large area is caused, further skin infection is caused, and the ulceration of the wounds is aggravated.
Current pleuroperitoneal cavity surgery drainage mechanism mainly comprises drainage needle tubing and drainage bag, mainly pierce human abdominal cavity through the drainage needle tubing, the wound of thorax department is inside, utilize human abdominal cavity, the inside motion of thorax produces the malleation and carries out the drainage with the inside hydrops of surgical operation wound and liquid such as oozing blood and derive, prevent the secondary damage that the inside hydrops of pleuroperitoneal cavity caused to the human body, but current drainage mechanism adopts the mode of malleation drainage to have no initiative formula drainage, drainage efficiency is low, the hydrops is stored for a long time in human inside and is leaded to patient's wound to produce the infection.
In addition, the common thoracocentesis is used for intermittent drainage of a patient with a large amount of pleural effusion clinically, the existing drainage mechanism for the surgical operation has no automatic detection function of effusion stock, so that medical workers cannot judge the effusion condition in the body of the patient after the operation and cannot discharge the effusion in time, and after the thoracocentesis, a tube is additionally arranged and fixed for continuous drainage, so that the patient is in pain for a long time; and in the process that the patient moves or the kidney works in vivo, the traditional drainage mechanism has no protection function of preventing reverse suction due to the change of negative pressure in vivo, so that liquid entering the drainage bag easily flows back to the inside of the body again, secondary infection of a wound in the body of the patient is caused, the patient can die in serious conditions, and certain defects exist.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide an active sealing drainage mechanism for pleuroperitoneal cavity surgery, which utilizes the transmission of a driving mechanism to control the operation of an active drainage device, and utilizes peristaltic pumping to guide the oozing blood, effusion, etc. in the body of a patient or deep in a local operation to the outside of the body, so as to solve the above-mentioned problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme that the active closed drainage mechanism for the pleuroperitoneal cavity surgery comprises a drainage storage bag, a portable hanging rope, a drainage needle tube and an active drainage device, wherein a driving mechanism is fixedly arranged on the surface of the active drainage device, the top surface of the drainage storage bag is detachably arranged with the bottom surface of the active drainage device, and the liquid inlet end of the active drainage device is connected with one end of the drainage needle tube;
the drainage storage bag comprises a liquid storage bag, a release valve pipe is arranged at the bottom end of the liquid storage bag, an installation plate is arranged on the top surface of the liquid storage bag, a liquid inlet pipe opening is formed in the surface of the installation plate, and a liquid separation vent valve close to the installation plate is arranged on the surface of the liquid storage bag;
the drainage needle tube comprises a drainage tube and a guide pin, one end of the drainage tube is communicated with the end part of the guide pin, an electrode guide sheet is embedded and installed on the inner wall of the drainage tube, the end part of the electrode guide sheet is electrically connected with a metal guide wire, the metal guide wire is embedded and installed on the inner wall of the drainage tube, and the metal guide wire is of a metal copper wire structure;
the active drainage device comprises a suction box, a suction peristaltic tube and a rotary disc, wherein the rotary disc is rotatably installed inside the suction box, one side of the suction peristaltic tube is fixedly adhered to the inner wall of the suction box, a plurality of pressing discs positioned at the edge of the rotary disc are rotatably installed on the surface of the rotary disc, the periphery of each pressing disc is in sliding butt joint with one side of the suction peristaltic tube, a protective clamping ring is fixedly installed inside the suction box, an installation groove is formed in one side of the rotary disc, a ratchet sheet is rotatably installed on the inner side of the installation groove, and a torsion spring is arranged on the inner sides of the rotary disc and the installation groove;
actuating mechanism includes transmission box, drive wheel and belt pulley, the inside of transmission box is rotated and is installed drive wheel and belt pulley, one side fixed mounting of transmission box has driving motor, the outside of belt pulley is fixed the step and is had the drive ring gear, driving motor's output runs through to the inside of transmission box and fixed the cup joint has the drive tooth, drive tooth and drive ring gear intermeshing, belt and transmission connection have been cup jointed in the outside of drive wheel and belt pulley.
Preferably, the both ends of portable string rope are equipped with the couple, the both sides of drainage storage bag are equipped with the hangers, drainage storage bag and portable string rope articulate through hangers and couple, liquid storage bag, mounting panel and hangers are integrated into one piece structure, the liquid storage bag is the soft bag structure of non-PVC complex film.
Preferably, the end of the metal guide wire is electrically connected with a controller, the number of the electrode guide sheets is two, the two electrode guide sheets are respectively and electrically connected with two stages of the input end of the controller through the electrode guide sheets, and the output end of the controller is electrically connected with the input end of the driving motor.
Preferably, the electrode guide sheet is of a metal copper sheet structure, a hydrophobic layer is coated on the surface of the electrode guide sheet, and the surface of the electrode guide sheet and the drainage tube are located in the same plane.
Preferably, the two ends of the sucking peristaltic tube are respectively provided with a liquid inlet end communicated with the drainage needle tube and a liquid outlet end communicated with the liquid storage bag, the sucking peristaltic tube is made of silicon rubber, fluororubber or Teflon material, and the length of the sucking peristaltic tube is equal to one half of the arc length of the inner wall of the sucking box.
Preferably, the number of the pressing plates is three, the pressing plates are of a disc structure, a distance is arranged between the edge of each pressing plate and the inner wall of the suction box, and the distance is smaller than or equal to twice the thickness of the side wall of the suction peristaltic tube.
Preferably, the inner side of the protective snap ring is provided with a plurality of abutting grooves which are uniformly distributed, one side of each abutting groove is of a right-angle surface structure, one side of each ratchet piece is provided with a right-angle surface, and two sides of each torsion spring are respectively abutted against the inner side of each mounting groove and one side of each ratchet piece.
Preferably, the bottom surface fixed mounting of suction box has the block seat, the bottom of block seat is equipped with the inserted sheet, the top surface of mounting panel be equipped with the slot of inserted sheet looks adaptation, the income liquid mouth of pipe is located the middle part of slot, the suction box is fixed through the surface joint of block seat with the mounting panel.
The invention has the technical effects and advantages that:
1. in the scheme, the medical drainage mechanism adopts an active drainage mode, the transmission drive of the driving mechanism is utilized to control the active drainage device to work, and the peristaltic pumping is utilized to guide the oozing blood, effusion and the like in the body of a patient or in the deep part of a local operation to the outside of the body, so that the bacteriuria infection and other postoperative risks caused by the long-time retention of the effusion and other liquids in the body of the patient are avoided, and the practicability of the drainage mechanism is improved;
2. according to the scheme, the medical drainage mechanism adopts an automatic effusion detection mode, the opening and closing control of the driving mechanism is carried out by utilizing the electrode guide sheet in the drainage tube, and after much effusion enters the drainage tube, the circuit path of the electrode guide sheet is communicated through the conductivity of the effusion, so that the opening of the driving mechanism is controlled by generating an electric signal through the electrode guide sheet, automatic suction is carried out, the control of personnel is not needed, the existence of the effusion can be automatically detected, and the use experience of the drainage mechanism is improved;
3. in the above-mentioned scheme, this medical drainage mechanism utilizes the inside protection snap ring and the thorn piece structure of suction box through setting up suck-back protective structure, when the inside negative pressure that produces of human tissue, through the meshing of thorn piece and protection snap ring, prevents that the antiport of carousel from going on suck-back, and utilizes the sealed hydrops suck-back that further prevents in the drainage bag of butt pressure disk and suction peristaltic hose to reply, avoids patient's secondary infection.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the drainage bag of the present invention;
FIG. 3 is a schematic view of the structure of an active flow diverter of the present invention;
FIG. 4 is a schematic view of the structure of the drainage needle cannula of the present invention;
FIG. 5 is a schematic view of the driving mechanism of the present invention;
FIG. 6 is a schematic view of the internal structure of the active flow diverter of the present invention;
FIG. 7 is a schematic view of the structure of FIG. 6 at A in accordance with the present invention;
fig. 8 is a schematic view of the suck-back protection structure of the present invention.
The reference signs are:
1. drainage storage bags; 2. a portable hanging rope; 3. a drainage needle tube; 4. an active drainage device; 5. a drive mechanism; 11. a liquid storage bag; 12. a release valve tube; 13. mounting a plate; 14. hanging a lug; 15. a liquid inlet pipe orifice; 16. a liquid-proof vent valve; 21. hooking; 31. a drainage tube; 32. guiding a needle; 33. a metal guide wire; 34. an electrode lead; 41. a suction box; 42. a clamping seat; 43. sucking a peristaltic pipe; 44. a turntable; 45. a protective snap ring; 46. pressing the disc; 441. mounting grooves; 442. a thorn sheet; 51. a transmission box; 52. a driving wheel; 53. a belt pulley; 54. a drive motor; 531. the toothed ring is driven.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The embodiment of the invention provides an active closed drainage mechanism for pleuroperitoneal cavity surgery, which comprises a drainage storage bag 1, a portable hanging rope 2, a drainage needle tube 3 and an active drainage device 4, wherein the surface of the active drainage device 4 is fixedly provided with a driving mechanism 5, the top surface of the drainage storage bag 1 is detachably arranged on the bottom surface of the active drainage device 4, and the liquid inlet end of the active drainage device 4 is connected with one end of the drainage needle tube 3;
the drainage storage bag 1 comprises a storage bag 11, a release valve pipe 12 is arranged at the bottom end of the storage bag 11, an installation plate 13 is arranged on the top surface of the storage bag 11, a liquid inlet pipe orifice 15 is formed in the surface of the installation plate 13, a liquid separation vent valve 16 close to the installation plate 13 is arranged on the surface of the storage bag 11, hooks 21 are arranged at two ends of a portable hanging rope 2, hanging lugs 14 are arranged at two sides of the drainage storage bag 1, the drainage storage bag 1 and the portable hanging rope 2 are hung through the hanging lugs 14 and the hooks 21, a patient can wear the drainage bag through hanging the drainage storage bag 1 and the portable hanging rope 2 to facilitate daily work and rest, the storage bag 11, the installation plate 13 and the hanging lugs 14 are of an integrally formed structure, the storage bag 11 is of a non-PVC composite film soft bag structure, the non-PVC composite film soft bag has strong flexibility and can shrink automatically, and the danger of embolism caused by air pollution and bubbles in effusion is eliminated;
the drainage needle tube 3 comprises a drainage tube 31 and a guide pin 32, one end of the drainage tube 31 is communicated with the end part of the guide pin 32, an electrode guide sheet 34 is embedded in the inner wall of the drainage tube 31, the end part of the electrode guide sheet 34 is electrically connected with a metal guide wire 33, the metal guide wire 33 is embedded in the inner wall of the drainage tube 31, the metal guide wire 33 is of a metal copper wire structure, the end part of the metal guide wire 33 is electrically connected with a controller, the number of the electrode guide sheets 34 is two, the two electrode guide sheets are respectively and electrically connected with two stages of the input end of the controller through the electrode guide sheet 34, the output end of the controller is electrically connected with the input end of a driving motor 54, and accumulated liquid contacts the electrode guide sheet 34 in the drainage tube 31, so that the electrode passage of the electrode guide sheet 34 is communicated through electrolyte conductivity of the accumulated liquid, the electrode guide sheet 34 is used for generating an electric signal to control the starting of the driving motor 54, when the accumulated liquid is completely pumped, no accumulated liquid exists in the tube, namely, the circuit cannot be communicated with the automatic pumping work;
the active flow diverter 4 comprises a suction box 41, a suction peristaltic tube 43 and a rotary disc 44, the rotary disc 44 is rotatably mounted inside the suction box 41, one side of the suction peristaltic tube 43 is fixedly adhered to the inner wall of the suction box 41, a plurality of pressing discs 46 positioned at the edge of the rotary disc 44 are rotatably mounted on the surface of the rotary disc 44, and the periphery of each pressing disc 46 is in sliding abutting joint with one side of the suction peristaltic tube 43 to form a peristaltic pump for active suction;
a protective snap ring 45 is fixedly mounted inside the suction box 41, a mounting groove 441 is formed in one side of the rotary disc 44, a ratchet sheet 442 is rotatably mounted on the inner side of the mounting groove 441, a torsion spring is arranged on the inner sides of the rotary disc 44 and the mounting groove 441, a plurality of abutting grooves are formed in the inner side of the protective snap ring 45 and are uniformly distributed, one side of each abutting groove is of a right-angle surface structure, a right-angle surface is formed in one side of the ratchet sheet 442, and two sides of the torsion spring are respectively abutted against one side of the ratchet sheet 442 with the inner side of the mounting groove 441; the reverse rotation of the rotating disk 44 is prevented under the engagement abutment of the ratchet sheet 442 and the protective snap ring 45, that is, the liquid flow inside the sucking peristaltic tube 43 reversely pushes the rotating disk 44 to rotate, thereby avoiding the suck-back effect of the liquid flow.
The driving mechanism 5 comprises a transmission box 51, a transmission wheel 52 and a belt pulley 53, the transmission wheel 52 and the belt pulley 53 are rotatably arranged in the transmission box 51, a driving motor 54 is fixedly arranged on one side of the transmission box 51, a driving toothed ring 531 is fixedly arranged on the outer side of the belt pulley 53, the output end of the driving motor 54 penetrates through the transmission box 51 and is fixedly sleeved with driving teeth, the driving teeth are meshed with the driving toothed ring 531, a belt is sleeved on the outer sides of the transmission wheel 52 and the belt pulley 53 and is in transmission connection, and the movement driving of the active drainage device 4 is realized.
In this embodiment, the electrode lead 34 is a metal copper sheet structure, a hydrophobic layer is coated on the surface of the electrode lead 34, the surface of the electrode lead 34 and the drainage tube 31 are located in the same plane, and the hydrophobic structure prevents the adhesion of the accumulated liquid to cause the continuous operation of the driving structure.
In this embodiment, the two ends of the sucking peristaltic tube 43 are respectively provided with a liquid inlet end communicated with the drainage needle tube 3 and a liquid outlet end communicated with the liquid storage bag 11, the sucking peristaltic tube 43 is made of silicon rubber, fluororubber or Teflon material, the length of the sucking peristaltic tube 43 is equal to half of the arc length of the inner wall of the sucking box 41, and under the continuous rotation of the turntable 44, the substance at one end of the sucking peristaltic tube 43 is repeatedly introduced into the other end of the sucking peristaltic tube 43, so that the peristaltic sucking is realized.
In this embodiment, the number of the pressing discs 46 is three, the pressing discs 46 are in a disc structure, a distance is provided between the edge of the pressing disc 46 and the inner wall of the suction box 41, the size of the distance is smaller than or equal to two times of the thickness of the side wall of the suction peristaltic tube 43, and the pressing discs 46 and the suction peristaltic tube 43 are abutted and sealed to prevent the effusion in the drainage bag from flowing back.
In this embodiment, the bottom surface fixed mounting of suction box 41 has block seat 42, and the bottom of block seat 42 is equipped with the inserted sheet, and the top surface of mounting panel 13 is equipped with the slot with inserted sheet looks adaptation, and liquid inlet pipe mouth 15 is located the middle part of slot, and suction box 41 is fixed through the surface joint of block seat 42 with mounting panel 13, and the quick installation of the initiative drainage device 4 of being convenient for conveniently carries out the change of drainage storage bag 1.
The working process of the invention is as follows:
when the drainage mechanism is used, firstly, medical staff puncture a guide needle 32 into a human body through professional judgment and operation, connect a drainage needle tube 3 with a suction port of an active drainage device 4 at a position opposite to a required drainage position, realize quick installation of the active drainage device 4 by meshing a clamping seat 42 at the bottom surface of the active drainage device 4 with an installation plate 13 at the top surface of a drainage storage bag 1, and realize portable wearing of the drainage mechanism by utilizing the hanging of a portable hanging rope 2 and the drainage storage bag 1;
when effusion occurs in a human body, the effusion enters the interior of the drainage tube 31 through the guide needle 32 by the positive pressure of the pleuroperitoneal cavity of the human body, the effusion contacts the electrode guide sheet 34 in the interior of the drainage tube 31, so that the electrode path of the electrode guide sheet 34 is communicated by utilizing the electrolyte conductivity of the effusion, an electric signal is generated by utilizing the electrode guide sheet 34 so as to control the opening of the driving motor 54, then the driving motor 54 drives the belt pulley 53 and the driving wheel 52 to rotate so as to synchronously rotate the turntable 44, the pressing disc 46 is in sliding butt joint with the sucking peristaltic tube 43 in the rotating process of the turntable 44, the effusion or airflow at one side of the sucking peristaltic tube 43 is moved and extruded to the other end to enter the drainage storage bag 1, meanwhile, the sucking peristaltic tube 43 at the rear end in the moving direction of the pressing disc 46 is used for elastic restoration to generate negative pressure to suck air or fluid flow at one end of the sucking peristaltic tube 43, the peristaltic tube 43 is sequentially circulated under the continuous rotation of the turntable 44, and the substance at one end of the sucking peristaltic tube 43 is repeatedly guided to the other end of the sucking peristaltic tube 43, so as to realize the sucking and the continuous sucking of the effusion;
when the patient moves, human pleuroperitoneal cavity inside produces extrusion deformation back, organize inside negative pressure that produces relatively, utilize to support that pressure disk 46 and suction peristaltic tubing 43's butt are sealed prevents the hydrops suck-back backward flow in the drainage bag, and utilize the inside protection snap ring 45 of suction box 41 and the structure of thorn piece 442, prevent under the meshing butt of thorn piece 442 and protection snap ring 45 that the carousel 44 carries out the counter rotation, the inside liquid flow of suction peristaltic tubing 43 is reverse to be promoted carousel 44 and is rotated the suck-back effect of avoiding the liquid flow promptly, avoid patient's secondary infection.
Finally, it should be noted that, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
secondly, in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the invention can be combined with each other;
finally, the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like which are within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An active closed drainage mechanism for a pleuroperitoneal surgery comprises a drainage storage bag (1), a portable hanging rope (2), a drainage needle tube (3) and an active drainage device (4), and is characterized in that a driving mechanism (5) is fixedly mounted on the surface of the active drainage device (4), the top surface of the drainage storage bag (1) and the bottom surface of the active drainage device (4) are detachably mounted, and the liquid inlet end of the active drainage device (4) is connected with one end of the drainage needle tube (3);
the drainage storage bag (1) comprises a storage bag (11), a release valve pipe (12) is arranged at the bottom end of the storage bag (11), an installation plate (13) is arranged on the top surface of the storage bag (11), a liquid inlet pipe opening (15) is formed in the surface of the installation plate (13), and a liquid isolating and ventilating valve (16) close to the installation plate (13) is arranged on the surface of the storage bag (11);
the drainage needle tube (3) comprises a drainage tube (31) and a guide pin (32), one end of the drainage tube (31) is communicated with the end part of the guide pin (32), an electrode guide sheet (34) is embedded and mounted on the inner wall of the drainage tube (31), the end part of the electrode guide sheet (34) is electrically connected with a metal guide wire (33), the metal guide wire (33) is embedded and mounted on the inner wall of the drainage tube (31), and the metal guide wire (33) is of a metal copper wire structure;
the active flow diverter (4) comprises a suction box (41), a suction peristaltic tube (43) and a rotary disc (44), wherein the rotary disc (44) is rotatably installed inside the suction box (41), one side of the suction peristaltic tube (43) is fixedly adhered to the inner wall of the suction box (41), a plurality of abutting discs (46) positioned at the edge of the rotary disc (44) are rotatably installed on the surface of the rotary disc (44), the periphery of the abutting discs (46) is in sliding abutting contact with one side of the suction peristaltic tube (43), a protective clamping ring (45) is fixedly installed inside the suction box (41), an installation groove (441) is formed in one side of the rotary disc (44), a ratchet sheet (442) is rotatably installed on the inner side of the installation groove (441), and torsion springs are arranged on the inner sides of the rotary disc (44) and the installation groove (441);
actuating mechanism (5) are including transmission box (51), drive wheel (52) and belt pulley (53), the inside rotation of transmission box (51) installs drive wheel (52) and belt pulley (53), one side fixed mounting of transmission box (51) has driving motor (54), the outside fixed step of belt pulley (53) is equipped with drive ring gear (531), the output of driving motor (54) runs through to the inside of transmission box (51) and fixed the cup jointing has the drive tooth, drive tooth and drive ring gear (531) intermeshing, belt and transmission connection have been cup jointed in the outside of drive wheel (52) and belt pulley (53).
2. The active closed drainage mechanism for the pleuroperitoneal cavity surgery is characterized in that hooks (21) are arranged at two ends of the portable hanging rope (2), hanging lugs (14) are arranged at two sides of the drainage storage bag (1), the drainage storage bag (1) and the portable hanging rope (2) are hung through the hanging lugs (14) and the hooks (21), the liquid storage bag (11), the mounting plate (13) and the hanging lugs (14) are of an integrally formed structure, and the liquid storage bag (11) is of a non-PVC composite film soft bag structure.
3. The active sealing drainage mechanism for the pleuroperitoneal cavity surgery is characterized in that the end part of the metal guide wire (33) is electrically connected with a controller, the number of the electrode guide vanes (34) is two, the two electrode guide vanes are respectively and electrically connected with the input end of the controller through the two electrode guide vanes (34), and the output end of the controller is electrically connected with the input end of a driving motor (54).
4. The active closed drainage mechanism for the pleuroperitoneal cavity surgery is characterized in that the electrode guide sheet (34) is a metal copper sheet structure, a hydrophobic layer is coated on the surface of the electrode guide sheet (34), and the surface of the electrode guide sheet (34) and the drainage tube (31) are positioned in the same plane.
5. The active closed drainage mechanism for the pleuroperitoneal cavity surgery is characterized in that two ends of the suction peristaltic tube (43) are respectively provided with a liquid inlet end communicated with the drainage needle tube (3) and a liquid outlet end communicated with the liquid storage bag (11), the suction peristaltic tube (43) is made of silicon rubber, fluorine rubber or Teflon material, and the length of the suction peristaltic tube (43) is equal to half of the arc length of the inner wall of the suction box (41).
6. The active sealing drainage mechanism for the pleuroperitoneal cavity surgery is characterized in that the number of the pressing plates (46) is three, the pressing plates (46) are in a disc structure, the edge of each pressing plate (46) is spaced from the inner wall of the suction box (41), and the size of the spacing is smaller than or equal to twice the thickness of the side wall of the suction peristaltic tube (43).
7. The active sealing drainage mechanism for pleuroperitoneal cavity surgery as defined in claim 1, wherein the inner side of said protection snap ring (45) is provided with a plurality of abutting grooves and is uniformly distributed, one side of said abutting grooves is of a right-angle surface structure, one side of said ratchet sheet (442) is provided with a right-angle surface, and two sides of said torsion spring are respectively abutted against the inner side of the mounting groove (441) and one side of the ratchet sheet (442).
8. The active sealing drainage mechanism for the pleuroperitoneal cavity surgery is characterized in that a clamping seat (42) is fixedly installed on the bottom surface of the suction box (41), an insertion sheet is arranged at the bottom end of the clamping seat (42), an insertion slot matched with the insertion sheet is arranged on the top surface of the mounting plate (13), the liquid inlet pipe orifice (15) is located in the middle of the insertion slot, and the suction box (41) is clamped and fixed with the surface of the mounting plate (13) through the clamping seat (42).
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| CN202011513032.3A CN112472888B (en) | 2020-12-20 | 2020-12-20 | Active closed drainage mechanism for pleuroperitoneal cavity surgery |
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| CN202011513032.3A CN112472888B (en) | 2020-12-20 | 2020-12-20 | Active closed drainage mechanism for pleuroperitoneal cavity surgery |
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| CN112472888B true CN112472888B (en) | 2022-11-04 |
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| CN108404233A (en) * | 2017-04-16 | 2018-08-17 | 广州市健之堂医疗器械有限公司 | A kind of automatic drain drainage device |
| CN207871189U (en) * | 2017-05-12 | 2018-09-18 | 中国人民解放军第二军医大学第二附属医院 | Drainage of cerebrospinal fluid device |
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| WO2019173379A1 (en) * | 2018-03-06 | 2019-09-12 | Centese, Inc. | Devices and methods for managing chest drainage |
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| CN112472888A (en) | 2021-03-12 |
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