CN218774171U - Improved double-cannula for dripping water in abdominal cavity - Google Patents
Improved double-cannula for dripping water in abdominal cavity Download PDFInfo
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- CN218774171U CN218774171U CN202221635253.2U CN202221635253U CN218774171U CN 218774171 U CN218774171 U CN 218774171U CN 202221635253 U CN202221635253 U CN 202221635253U CN 218774171 U CN218774171 U CN 218774171U
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Abstract
The utility model discloses an improvement abdominal cavity double cannula that drips belongs to the medical auxiliary assembly field. An improved double cannula for peritoneal drip comprises a double cannula and a water injection pipe; the double sleeves comprise a liquid suction pipeline and a pressure suction pipeline, and the liquid suction pipeline is communicated with the outside so that the liquid suction pipeline generates suction force to the outside when the air pressure in the liquid suction pipeline changes; the output end of the pumping pipeline is arranged in the liquid suction pipeline, and the size of the pumping pipeline is smaller than that of the liquid suction pipeline; the water injection pipe sets up in the inside of imbibition pipeline, and the surface of partial delivery port cover pressure pipeline of water injection pipe, and the output cooperation of another part delivery port of water injection pipe and pressure pipeline draws water. It can realize preventing that abdominal cavity liquid and interior sleeve pipe surface contact from condensing on interior sheathed tube surface to a plurality of delivery ports that washing liquid can follow the water injection pipe ooze, can carry out all-round washing to the surface of inner tube and water injection pipe, avoids abdominal cavity liquid to condense the back and washs and insufficiently cause the jam.
Description
Technical Field
The utility model belongs to medical auxiliary assembly field, more specifically says, relates to a two sleeve pipes drip in improvement abdominal cavity.
Background
In general surgery department's operation, often place two sets of drainage tubes in the abdominal cavity, promoted the healing of operation district tissue through the drainage to operation district hydrops, judge the dynamic change in operation district in the abdominal cavity through observing drainage liquid's nature and capacity simultaneously in vitro, provide extremely important objective foundation for clinician's diagnosis and treatment. However, in the double-sleeve in the prior art, water is often directly injected into the lower side of the inner sleeve to clean the outer wall of the inner sleeve, but since the inner wall of the outer sleeve is provided with the liquid suction port, the cleaning liquid injected from the lower side of the inner sleeve may be directly discharged from the liquid suction port during cleaning, so that the upper side of the inner sleeve is insufficiently cleaned or even not cleaned; in addition, the drainage liquid part which is drained into the outer sleeve has viscosity and is possibly retained on the surface of the inner sleeve after contacting with the outer wall of the inner sleeve, and liquid residues on the outer surface of the inner sleeve cannot be thoroughly washed off due to insufficient impulsive force of water flow during cleaning, so that insufficient cleaning is caused. After the surface of the inner sleeve is insufficiently cleaned, more and more liquid is solidified on the surface of the inner sleeve, and finally the drainage tube is blocked inside and the drainage process cannot be continuously completed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an improvement abdominal cavity double cannula that drips, it can realize preventing that abdominal cavity liquid and interior sleeve pipe surface contact from condensing on interior sheathed tube surface to wash liquid can be followed a plurality of delivery ports of water injection pipe and oozed, can carry out all-round washing to the surface of inner sleeve pipe and water injection pipe, avoids abdominal cavity liquid to condense the back and washs and insufficiently cause the jam.
The utility model relates to an improved double-sleeve for dripping water in abdominal cavity, which comprises a double-sleeve and a water injection pipe;
the double sleeves comprise a liquid suction pipeline and a pressure pumping pipeline, and the liquid suction pipeline is communicated with the outside so that the liquid suction pipeline generates suction to the outside when the air pressure in the liquid suction pipeline changes; the output end of the pumping pipeline is arranged in the liquid suction pipeline, and the size of the pumping pipeline is smaller than that of the liquid suction pipeline;
the water injection pipe sets up in the inside of imbibition pipeline, and the surface of partial delivery port cover pump pressure pipeline of water injection pipe, and the output cooperation of another part delivery port of water injection pipe and pump pressure pipeline draws water.
As a further improvement, the liquid suction pipeline comprises an outer sleeve, the material of the outer sleeve comprises latex, and one side of the outer sleeve, which is close to the output end of the pumping pipeline, is provided with a plurality of liquid suction ports.
As a further improvement of the utility model, the pressure pumping pipeline comprises an inner sleeve, the material of the inner sleeve comprises silica gel, the inner sleeve comprises a negative pressure pipe and a connecting pipe, one end of the connecting pipe is fixedly connected with one end of the negative pressure pipe, the other end of the connecting pipe passes through the liquid suction pipeline to be communicated with the pressure pumping device, and the outer wall of the connecting pipe is hermetically connected with the liquid suction pipeline; the negative pressure pipe is arranged in the liquid suction pipeline, and the end of the negative pressure pipe which is not connected with the connecting pipe is the output end.
As a further improvement of the utility model, the water injection pipe is coated on the periphery of the pumping pipeline and is tightly attached to the outer surface of the pumping pipeline, the part of the water injection pipe coated on the periphery of the pumping pipeline is a water passing part, and a water passing cavity is arranged inside the water injection pipe; a plurality of water outlets are arranged on the outer wall of the water injection pipe and one end close to the output end of the pumping pipeline.
As a further improvement, the air inlet has been seted up to the other end of imbibition pipeline, the air inlet is connected with voltage regulator, and the inside sterile air that is equipped with of voltage regulator, and voltage regulator is less than the speed that the pumping line bleeds to the speed of conveying air in to the imbibition pipeline.
As a further improvement of the utility model, the pressure stabilizing device comprises an air inlet pipe, a water seal bottle and an air pipe; clear water is filled in the water-sealed bottle; the upper end of the water-sealed bottle is provided with an opening, the opening is fixedly connected with a bottle cap, and the bottle cap is provided with an air inlet and an air outlet; one end of the air inlet pipe is hermetically connected with the air inlet, the other end of the air inlet pipe is hermetically connected with the air outlet of the water-sealed bottle, and the air inlet pipe does not extend into the water surface in the water-sealed bottle; the air inlet of the vent pipe is hermetically connected, one end of the vent pipe is communicated with the outside air, and the other end of the vent pipe extends into the water below the water surface of the water-sealed bottle.
Compared with the prior art, the beneficial effects of the utility model reside in that: the water outlets of the water injection pipe cover the outer surface of the water pumping pipeline, so that the abdominal cavity liquid can be prevented from being contacted with the outer surface of the inner sleeve pipe and being condensed on the outer surface of the inner sleeve pipe, the cleaning liquid can seep out from the plurality of water outlets of the water injection pipe, the outer surfaces of the inner sleeve pipe and the water injection pipe can be cleaned in all directions, and the blockage caused by insufficient cleaning after the abdominal cavity liquid is condensed is avoided;
the outer sleeve is provided with a plurality of liquid suction ports at the position close to the output end of the pumping pipeline, and when the output end of the pumping pipeline pumps, the air pressure at the end of the outer sleeve provided with the liquid suction ports changes obviously, so that enough attraction is generated in the abdominal cavity to suck abdominal cavity liquid;
the air inlet of the outer sleeve is connected with the water-sealed bottle, and air in the water-sealed bottle enters the inner part of the outer sleeve through the air inlet pipe under the influence of air pressure during working, so that the condition that the negative pressure suction pressure is too high due to excessive negative pressure suction during the working of the negative pressure suction device, and the tissue around the outer sleeve is damaged and bleeds is avoided; in addition, one end of the vent pipe extends into the water surface of clear water in the water-sealed bottle, so that impurities in the air entering the outer sleeve through the water-sealed bottle are cleaned and filtered, bacteria in the air are prevented from being sucked into the outer sleeve, and the bacteria in the air are prevented from being also sucked into the outer sleeve and contacting with human tissues through the liquid suction port to cause abdominal infection, so that the wound of a patient is worsened; in addition, when the outer tube is inside not to block up, the outer tube during operation can continuously follow and absorb gas in the water sealed bottle, and the inside gassing that can produce of water sealed bottle this moment can listen the bubble sound, can judge whether the outer tube is inside to be blockked up through observing bubble and bubble sound, is convenient for like this in time clear up the outer tube is inside to keep washing and the drainage is unobstructed.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a first embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a second embodiment of the present invention;
fig. 4 is a schematic view of a specific structure of a water injection pipe according to a second embodiment of the present invention.
Detailed Description
The first embodiment is as follows: referring to fig. 1-2, an improved dual-cannula for peritoneal dialysis includes an outer cannula 1, an inner cannula 2, a water injection tube 3 and a pressure stabilizer.
The outer sleeve 1 is made of latex, and a straight cylindrical cavity is formed inside the outer sleeve; one end of the outer sleeve 1 is closed, and the other end is provided with an air inlet; a plurality of liquid suction ports 11 are formed in one side, close to the closed side, of the outer sleeve 1, and liquid can enter the inner part of the outer sleeve 1 from the liquid suction ports 11 during working; the outer sleeve 1 is provided with two connectors on one side close to the air inlet, and the connectors can be communicated with a pipeline for pumping negative pressure so as to change the air pressure inside the outer sleeve 1 and can also be communicated with a water pipeline so as to inject water into the outer sleeve 1.
The inner sleeve 2 is made of silica gel, and the inner sleeve 2 comprises a negative pressure pipe and a connecting pipe; one end of the connecting pipe is fixedly connected with one end of the negative pressure pipe, the other end of the connecting pipe penetrates through the interface of the outer sleeve 1 to be communicated with the negative pressure pumping device, and the outer wall of the connecting pipe is hermetically connected with the inner wall of the interface, so that the negative pressure pumping device can change the air pressure in the outer sleeve 1 through the inner sleeve 2 during work; the negative pressure pipe is arranged inside the outer sleeve 1, and the length of the negative pressure pipe is smaller than that of the outer sleeve 1; and the other end of the negative pressure pipe is arranged at one side close to the closed end of the outer sleeve 1, so that when the negative pressure pumping device works, the closed side of the outer sleeve 1 is greatly influenced by the negative pressure, the air pressure of the section becomes low, and thus, the liquid outside the outer sleeve 1 can enter the inner part of the outer sleeve 1 from the liquid suction port 11 under the action of the atmospheric pressure.
One end of the water injection pipe 3 penetrates through the interface of the outer sleeve 1 to be communicated with the cleaning liquid, and the outer wall of the water injection pipe 3 is hermetically connected with the inner wall of the interface; the other end of the water injection pipe 3 is disposed inside the outer sleeve 1 so that the cleaning liquid enters the inside of the outer sleeve 1 through the water injection pipe 3 to clean the inside of the outer sleeve 1.
The pressure stabilizing device is communicated with the interior of the outer sleeve 1 through an air inlet and comprises an air inlet pipe 4, a water-sealed bottle 5 and a vent pipe 6;
clear water is filled in the water-sealed bottle 5; the upper end of the water-sealed bottle 5 is provided with an opening which is fixedly connected with a bottle cap; the bottle cap is provided with an air inlet and an air outlet so that external air enters the water-sealed bottle 5 through the air inlet and the air in the water-sealed bottle 5 leaves the water-sealed bottle 5 through the air outlet;
one end of the air inlet pipe 4 is connected with the air inlet of the outer sleeve 1, and the outer wall of the air inlet pipe 4 is hermetically connected with the inner wall of the air inlet; the other end of the air inlet pipe 4 is communicated with an air outlet of the water-sealed bottle 5, the outer wall of the air inlet pipe 4 is connected with the inner wall of the air outlet in a sealing manner, and the air inlet pipe 4 does not extend below the water surface of clear water in the water-sealed bottle 5, so that air in the water-sealed bottle 5 can enter the outer sleeve 1 through the air inlet pipe 4;
the air inlet of the water-sealed bottle 5 at one side of the vent pipe 6 is communicated, the outer wall of the vent pipe 6 is hermetically connected with the inner wall of the air inlet, and the port at the side of the vent pipe 6 extends into the water surface of clear water in the water-sealed bottle 5; the other side of the vent pipe 6 is communicated with the outside, so that outside air can enter the water-sealed bottle 5 through the vent pipe 6, and the air entering the water-sealed bottle 5 firstly enters clean water to be cleaned and then enters the water-sealed bottle 5.
The working principle is as follows: when the device works, one side of the outer sleeve 1, which is provided with the liquid suction port 11, is inserted into the abdominal cavity of a patient, and the outer side of the outer sleeve 1 is filled with liquid in the abdominal cavity; the negative pressure pumping device connected with the connecting pipe is started, the negative pressure pumping device reduces the air pressure inside the outer sleeve 1 through the negative pressure pipe, and the negative pressure on the side, provided with the liquid suction port 11, of the outer sleeve 1 is most obvious because the output end of the negative pressure pipe is positioned on the side, provided with the liquid suction port 11, of the outer sleeve 1; at the moment, the air pressure outside the outer sleeve 1 is larger than the air pressure inside the outer sleeve 1, and the liquid in the abdominal cavity outside the outer sleeve 1 is extruded into the outer sleeve 1 through the liquid suction port 11; and under the state of continuously pumping negative pressure, the negative pressure tube continuously keeps negative pressure so that the abdominal cavity liquid extruded into the outer sleeve 1 is sucked into the negative pressure tube and is discharged out of the outer sleeve 1 through the negative pressure tube and the connecting tube, medical personnel place the discharged abdominal cavity liquid into a designated device and judge the postoperative recovery condition of the patient by observing the color of the discharged abdominal cavity liquid.
In the process of continuously pumping negative pressure, air in the water-sealed bottle 5 is influenced by air pressure and enters the inner part of the outer sleeve 1 through the air inlet pipe 4, so that the condition that the negative pressure suction pressure is too high due to excessive negative pressure pumping when a negative pressure pumping device works and the tissues around the outer sleeve 1 are damaged and bleed is avoided; it should be noted that the air entering the outer sleeve 1 in the sealing bottle 5 is less than the air pumped out by the negative pressure pumping device; in addition, one end of the vent pipe 6 extends into the water surface of the clear water in the water-sealed bottle 5, so that impurities in the air entering the outer sleeve 1 through the water-sealed bottle 5 are cleaned and filtered, bacteria in the air are prevented from being sucked into the outer sleeve 1, and the bacteria are contacted with human tissues through the liquid suction port 11 to cause abdominal infection, so that the wound of a patient is worsened; in addition, when outer tube 1 is inside not to block up, outer tube 1 during operation can continuously follow and absorb gas in the water sealed bottle 5, 5 inside meeting bubbles of water sealed bottle this moment and can hear the bubble sound, can judge whether outer tube 1 is inside to be blockked up through observing there is bubble and bubble sound, so be convenient for in time clear up outer tube 1 is inside to keep washing and the drainage is unobstructed.
The second embodiment is as follows: referring to fig. 3-4, a modified dual-cannula for peritoneal drip is different from the first embodiment in that the water injection tube 3 is wrapped around the negative pressure tube, and the inner surface of the water injection tube 3 is tightly attached to the outer surface of the negative pressure tube, so that the peritoneal liquid sucked into the outer cannula 1 from the liquid suction port 11 is not in contact with the outer wall of the negative pressure tube, but in contact with the outer wall of the water injection tube 3; the part of the water injection pipe 3, which is coated on the periphery of the pressure pumping pipeline, is a water flowing part, a water flowing cavity is arranged inside the water injection pipe, the outer wall of the water injection pipe 3 and one end, which is close to the output end of the negative pressure pipe, are provided with a plurality of water outlets, cleaning liquid is used for cleaning the outer wall of the water injection pipe 3 through the water outlets on the outer wall of the water injection pipe 3 during cleaning, and the cleaning liquid has certain impulsive force when flowing out of the water outlets, so that obstructions such as blood clots and the like adhered on the outer surface of the water injection pipe 3 can be removed more quickly; in addition, part of the cleaning liquid can also enter the negative pressure pipe through a water outlet formed in one end of the water injection pipe 3 to clean the inside of the negative pressure pipe.
The arrangement enables the inside of the negative pressure pipe on the outer surface of the water injection pipe 3 to be fully cleaned, the blockage caused by condensation of abdominal cavity liquid on the outer wall of the negative pressure pipe after entering the outer sleeve 1 from the liquid suction port 11 is avoided, the abdominal cavity liquid condensed in the inside of the negative pressure pipe is cleaned, the blockage in the inside of the negative pressure pipe is avoided, and the cleaning speed of the arrangement is higher than that of the traditional cleaning method and is thorough because the cleaning liquid has certain impulsive force when being discharged from the water outlet.
Claims (6)
1. An improvement peritoneal drip double cannula which is characterized in that: comprises a double sleeve and a water injection pipe (3);
the double sleeves comprise a liquid suction pipeline and a pressure pumping pipeline, and the liquid suction pipeline is communicated with the outside so that the liquid suction pipeline generates suction to the outside when the air pressure in the liquid suction pipeline changes; the output end of the pumping pipeline is arranged in the liquid suction pipeline, and the size of the pumping pipeline is smaller than that of the liquid suction pipeline;
the water injection pipe (3) is arranged in the liquid suction pipeline, part of water outlets of the water injection pipe (3) cover the outer surface of the pumping pipeline, and the other part of water outlets of the water injection pipe (3) are matched with the output end of the pumping pipeline for pumping water;
the pressure pumping pipeline comprises an inner sleeve (2), the inner sleeve (2) comprises a negative pressure pipe and a connecting pipe, one end of the connecting pipe is fixedly connected to one end of the negative pressure pipe, the other end of the connecting pipe penetrates through the liquid suction pipeline to be communicated with the pressure pumping device, and the outer wall of the connecting pipe is hermetically connected with the liquid suction pipeline; the negative pressure pipe is arranged in the liquid suction pipeline, and the end of the negative pressure pipe which is not connected with the connecting pipe is the output end.
2. The improved peritoneal drip double cannula of claim 1, wherein: the imbibition pipeline includes outer tube (1), and the material of outer tube (1) includes latex, and a plurality of imbibitions mouths (11) have been seted up to one side that outer tube (1) is close to the pumping pipeline output.
3. The improved peritoneal drip double cannula of claim 1, wherein: the material of the inner sleeve (2) comprises silica gel.
4. The improved peritoneal drip double cannula of claim 1, wherein: the water injection pipe (3) is coated on the periphery of the pumping pipeline and is tightly attached to the outer surface of the pumping pipeline, the part of the water injection pipe (3) coated on the periphery of the pumping pipeline is a water passing part, and a water passing cavity is formed inside the water passing part; a plurality of water outlets are arranged on the outer wall of the water injection pipe (3) and one end close to the output end of the pumping pipeline.
5. The improved peritoneal drip double cannula of claim 1, wherein: the other end of the liquid suction pipeline is provided with an air inlet, the air inlet is connected with a pressure stabilizer, sterile air is filled in the pressure stabilizer, and the speed of conveying air into the liquid suction pipeline by the pressure stabilizer is smaller than the speed of exhausting air by the pressure pumping pipeline.
6. The improved peritoneal drip double cannula of claim 5, wherein: the pressure stabilizing device comprises an air inlet pipe (4), a water-sealed bottle (5) and an air pipe (6); clear water is filled in the water-sealed bottle (5); an opening is formed in the upper end of the water-sealed bottle (5), a bottle cap is fixedly connected with the opening, and an air inlet and an air outlet are formed in the bottle cap; one end of the air inlet pipe (4) is hermetically connected with the air inlet, the other end of the air inlet pipe is hermetically connected with the air outlet of the water-sealed bottle (5), and the air inlet pipe (4) does not extend into the water surface of the water-sealed bottle (5); the air inlet of the vent pipe (6) is hermetically connected, one end of the vent pipe is communicated with the outside air, and the other end of the vent pipe extends into the water below the water surface of the water-sealed bottle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221635253.2U CN218774171U (en) | 2022-06-28 | 2022-06-28 | Improved double-cannula for dripping water in abdominal cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221635253.2U CN218774171U (en) | 2022-06-28 | 2022-06-28 | Improved double-cannula for dripping water in abdominal cavity |
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| Publication Number | Publication Date |
|---|---|
| CN218774171U true CN218774171U (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221635253.2U Active CN218774171U (en) | 2022-06-28 | 2022-06-28 | Improved double-cannula for dripping water in abdominal cavity |
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| CN (1) | CN218774171U (en) |
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- 2022-06-28 CN CN202221635253.2U patent/CN218774171U/en active Active
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