CN113101426B - Pre-arranged catheter assembly for abdominal cavity perfusion - Google Patents
Pre-arranged catheter assembly for abdominal cavity perfusion Download PDFInfo
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- CN113101426B CN113101426B CN202110367788.XA CN202110367788A CN113101426B CN 113101426 B CN113101426 B CN 113101426B CN 202110367788 A CN202110367788 A CN 202110367788A CN 113101426 B CN113101426 B CN 113101426B
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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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
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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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
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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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
- A61M3/0295—Cannula; Nozzles; Tips; their connection means with inflatable balloon
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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
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Abstract
The utility model provides an abdominal cavity is perfused with presetting drainage subassembly, including fixing the reservation pipe in patient's abdominal cavity and passing the filling takeover that reservation pipe carried out the abdominal cavity and perfuse, it dredges the structure to be provided with to aerify at the inner that reservation pipe inserted the abdominal cavity, should aerify and dredge the structure and include the inflation chamber that encircles the setting of reservation inside pipe wall, the inner wall of reserving intraductal is provided with the fan-shaped upset piece that a plurality of silica gel materials made, these fan-shaped upset pieces splice and form a silica gel shrouding with reservation intraductal end confined, fan-shaped upset piece is hugged closely to annular elastic strip of paper used for sealing, and aerify the back in inflation chamber, promote these fan-shaped upset pieces and overturn downwards and the protrusion reserves intraductal, make the fan-shaped most advanced of fan-shaped upset piece dredge to the inner of shutoff reservation pipe. Before the perfusion, the invention inflates and deflates the inflatable expansion cavity, thereby pushing the fan-shaped turnover sheet to turn downwards, realizing the dredging of the blocked pipe orifice, having simple and convenient operation and causing no damage to the wound of the patient.
Description
Technical Field
The invention relates to an abdominal cavity perfusion treatment in a cancer treatment method, in particular to a preset catheter assembly for abdominal cavity perfusion.
Background
The abdominal cavity perfusion chemotherapy is called abdominal cavity perfusion for short, is one of common chemotherapy methods for treating late-stage tumors of viscera in pots and abdominal cavities, and is generally divided into hot perfusion and conventional perfusion, wherein the principle is simple, the method is that a drainage tube is punctured in the abdominal cavity of a patient and then a chemotherapy medicament or a medicament for eliminating hydrops in the abdominal cavity is perfused into the abdominal cavity through the drainage tube; different from the thermal perfusion, the conventional perfusion is to inject the medicine into the abdominal cavity, and then bind and fix the drainage tube to keep the medicine in the abdominal cavity of the patient for a period of time, generally about 24 hours, so that the patient can fully absorb the medicine, and in order to promote the absorption of the medicine, the patient needs to frequently turn over to change the body position during the period, or the patient needs to make a specific action under the guidance of medical staff to promote the movement and absorption of the medicine in the body.
However, because the drainage tube is generally thin, and the hydrops in the abdominal cavity of a tumor patient is turbid, the preset drainage tube is easy to block, so that the next perfusion is caused, or the hydrops in the abdominal cavity needs to be dredged firstly when being drained, time and labor are consumed, and the patient is uncomfortable when the drainage tube is dredged.
Disclosure of Invention
In order to solve the problem that the existing drainage tube for abdominal cavity perfusion is difficult to dredge after being blocked by the effusion in the abdominal cavity, the invention provides a preset catheter assembly for abdominal cavity perfusion, which comprises a reserved tube fixed in the abdominal cavity of a patient and a perfusion connecting tube penetrating through the reserved tube for abdominal cavity perfusion, wherein the inner end of the reserved tube is provided with an inflatable expansion cavity and a fan-shaped turnover sheet, the perfusion connecting tube is taken out after perfusion, the fan-shaped turnover sheet seals the inner end of the reserved tube, and even if the effusion in the abdominal cavity is solidified to block the reserved tube, the inflatable expansion cavity is inflated before next perfusion, so that the fan-shaped turnover sheet is pushed to turn downwards, the dredging of the blocked tube opening is realized, the operation is simple and convenient, the wound of the patient cannot be damaged, and the discomfort of the patient cannot be caused.
The technical scheme adopted by the invention for solving the technical problems is as follows: a preset catheter assembly for abdominal cavity perfusion comprises a reserved tube fixed in the abdominal cavity of a patient and a perfusion connecting tube penetrating through the reserved tube for abdominal cavity perfusion, wherein an inflation dredging structure is arranged at the inner end of the reserved tube inserted into the abdominal cavity and comprises a silica gel sleeve arranged around the inner wall of the reserved tube, the upper end of the silica gel sleeve is fixedly connected with the reserved tube, the lower end of the silica gel sleeve is connected with the inner end of the reserved tube through an annular elastic cover, so that an inflation expansion cavity positioned on the inner wall of the reserved tube is formed, a plurality of fan-shaped turnover pieces made of silica gel materials are arranged on the inner wall of the reserved tube, the fan-shaped turnover pieces are spliced to form a silica gel sealing plate for sealing the inner end of the reserved tube, and the perfusion connecting tube is inserted into the reserved tube to jack up silica gel and then stretches into the abdominal cavity for perfusion; the annular elastic cover is tightly attached to the fan-shaped turnover pieces, and after the inflatable expansion cavity is inflated, the fan-shaped turnover pieces are pushed to turn downwards and protrude out of the inner end of the reserved pipe, so that the fan-shaped tips of the fan-shaped turnover pieces dredge the inner end of the blocked reserved pipe.
As an optimized scheme of the preset catheter assembly, an inflation inlet is formed in the side wall of the outer end of the reserved tube, which is located outside the abdominal cavity, the inflation inlet is communicated with the inflation expansion cavity through an inflation hole in the wall of the reserved tube, and the inflation inlet is communicated with external inflation equipment and then performs inflation and deflation operation to control the inflation and deflation operation of the inflation expansion cavity so as to enable the fan-shaped tip of the fan-shaped turnover piece to reciprocate up and down to dredge the blockage at the end of the reserved tube.
As above-mentioned another kind of optimization scheme who presets the pipe assembly, reserve the pipe and form for inserting the inner tube in the abdominal cavity and being in the outer union coupling outside the abdominal cavity, and inner tube and outer union coupling department form around the inside callipers platform of outer tube inner wall and the outer calorie platform of encircleing the outer tube outer wall, fill and take over and have with inside callipers platform assorted ka tai to inject and fill the cooperation position of taking over and reserving the pipe, outer calorie bench is provided with the fixed knot who is used for fixed reservation pipe around the outer tube, fixed knot constructs including surrounding at least three arc connection fin that the outer tube set up, and these arc connection fin are the silica gel material and are in same drum, have the interval each other, through outwards rolling over and make its back adhesion fix on the abdominal surface, accomplish the fixed of reserving the pipe.
As another optimized scheme of the preset catheter assembly, the height of the arc-shaped connecting fins is higher than the length of the outer tube, so that the outer tube is coated when the preset catheter assembly is not turned over, the back of each arc-shaped connecting fin is provided with the inflating fins, and the inflating fins fill the intervals between the arc-shaped connecting fins after inflation, so that the sealing of the outer wall of the preset catheter and the abdominal puncture hole is completed.
As another optimization scheme of the preset catheter assembly, a height marking line is arranged along the height direction of the arc-shaped connecting wing, and the insertion depth of the inner tube is determined through the height marking line.
As another optimized scheme of the preset catheter assembly, the outer end of the perfusion connecting pipe is provided with a connector connected with perfusion equipment, a perfusion fluid channel for guiding perfusion fluid is arranged in the perfusion connecting pipe, and the perfusion fluid connected into the connector enters the abdominal cavity through the perfusion fluid channel to complete abdominal perfusion.
As another optimization scheme of the preset catheter assembly, at least one perfusate buffer cavity is arranged in the perfusion connecting pipe and connected in series by a perfusate channel.
As another optimization scheme of the preset catheter assembly, a temperature sensor for measuring the temperature of the perfusate is arranged in the perfusate buffer cavity.
As another optimized scheme of the preset conduit assembly, the inner end of the perfusion connecting pipe inserted into the reserved pipe is provided with a perfusion head, and the perfusion head can push open the fan-shaped turnover sheet when the perfusion connecting pipe is inserted into the reserved pipe for perfusion; the side wall surrounding the pouring head is distributed with a plurality of pouring holes, the pouring holes are communicated with a pouring fluid channel in the pouring connecting pipe, and the opening of the pouring holes is positioned in a pouring fluid discharge area formed between the fan-shaped turnover sheet and the pouring head and the side wall.
As another optimization scheme of the preset catheter assembly, a perfusate drainage cavity is arranged in the perfusion head, the top of the perfusate drainage cavity is communicated with a perfusate channel, and the bottom of the perfusate drainage cavity is communicated with a perfusion hole; the side wall surrounding the pouring head is provided with an inwards concave arc-shaped concave surface, so that a convex head with a narrow lower part and a wide upper part is formed at the end part of the pouring head, the bottom of the convex head is horizontal, and the joint of the edge of the convex head and the arc-shaped concave surface is subjected to smooth transition treatment; the pouring holes are all formed in the arc concave surface; after the pouring head penetrates out of the fan-shaped turnover piece, the middle of the fan-shaped turnover piece is in contact with the top of the arc-shaped concave surface, and a pouring liquid discharge area is formed between the fan-shaped turnover piece and the arc-shaped concave surface.
Compared with the prior art, the invention has the following beneficial effects:
1) The invention realizes the abdominal cavity perfusion by matching the reserved pipe fixed in the abdominal cavity of a patient with the perfusion connecting pipe which penetrates through the reserved pipe for the abdominal cavity perfusion, the inner end of the reserved pipe is provided with the inflatable expansion cavity and the fan-shaped turnover piece, the perfusion connecting pipe is taken out after the perfusion, and the fan-shaped turnover piece seals the inner end of the reserved pipe, so that even if the accumulated liquid in the abdominal cavity is solidified to block the reserved pipe, the inflatable expansion cavity is inflated before the next perfusion, the fan-shaped turnover piece is pushed to turn downwards, the blockage of the blocked pipe orifice is realized, the operation is simple and convenient, the wound of the patient cannot be damaged, and the discomfort of the patient cannot be caused; when the inflatable expansion cavity is not inflated, the fan-shaped turnover sheet forms a sealing plate for sealing the reserved pipe, so that the condensation of the effusion in the abdominal cavity is facilitated, and the reserved pipe is sealed;
2) When the perfusion connecting pipe is inserted into the reserved pipe for abdominal perfusion, the inflatable expansion cavity is inflated, so that the gap between the reserved pipe and the perfusion connecting pipe can be sealed, perfusion liquid is prevented from flowing out, and the perfusion connecting pipe can be clamped and fixed;
3) The reserved pipe adopts the connection design of the inner pipe and the outer pipe, an inner clamping table surrounding the inner wall of the outer pipe and an outer clamping table surrounding the outer wall of the outer pipe are formed at the connection part, the inner clamping table can be matched with the clamping table on the perfusion connecting pipe to realize the positioning and fixing functions, and the outer clamping table is designed to be provided with arc-shaped connecting fins which can be folded outwards to be adhered and fixed with the epidermis of the abdominal cavity after the reserved pipe is inserted into the puncture hole, so that the operation of fixing the reserved pipe by sewing the existing skin is avoided; the height of the arc-shaped connecting wing piece is longer than that of the outer pipe, so that a proper fixed length can be selected according to needs, and the insertion depth of the inner pipe can be observed according to the scale marks on the arc-shaped connecting wing piece, and whether the depth of the reserved pipe changes or not can be determined; the inflatable wing panel designed on the back of the arc-shaped connecting wing panel can be attached to the skin, and most importantly, the sealing between the outer side wall of the reserved pipe and the puncture hole can be realized after the inflatable wing panel is inflated;
4) The perfusion buffer cavity designed in the perfusion connecting pipe can realize stable perfusion, after the perfusion head jacks the fan-shaped turnover sheet, a perfusion liquid discharge area is formed between the side wall of the perfusion head and the fan-shaped turnover sheet, the perfusion hole is formed in the area, and the fan-shaped turnover sheet can push tissues and accumulated liquid away gently to prevent the blockage of the perfusion hole.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the invention as secured to the abdominal cavity of a patient for peritoneal irrigation;
FIG. 3 is a schematic view of the structure of the filling head inserted into the reserve tube;
FIG. 4 is a schematic view of the junction of the inner tube and the outer tube of the reserve tube;
FIG. 5 is a schematic view of the reserve tube when not being filled;
FIG. 6 is a schematic view of the sector turnover plates being pushed downward after the inflation of the inflatable expansion chambers of the reserve tubes;
FIG. 7 is a schematic top view of a reserve tube;
FIG. 8 is a schematic bottom view of the reserve tube;
FIG. 9 is a schematic top view of the fixed preformed tube;
FIG. 10 is a schematic view of the structure of the pouring nozzle;
reference numerals: 1. the device comprises a reserved pipe, 101, an outer pipe, 102, an inner pipe, 103, an inner clamping table, 104, an outer clamping table, 2, a perfusion connecting pipe, 201, a perfusion liquid channel, 202, a connector, 203, a perfusion liquid buffer cavity, 3, a dredging structure, 301, a silica gel sleeve, 302, an inflation expansion cavity, 303, an annular elastic cover, 304, a fan-shaped turnover piece, 305, an inflation pore channel, 306, an inflation opening, 4, a perfusion head, 401, a convex head, 402, a perfusion liquid drainage cavity, 403, an arc-shaped concave surface, 404, a perfusion liquid discharge area, 405, a perfusion hole, 5, a fixing structure, 501, an arc-shaped connecting fin, 502, an inflation fin, 503 and intervals.
Detailed Description
The technical solutions of the present invention are further described in detail with reference to specific embodiments, and those not described in the following embodiments of the present invention can be implemented by using known technologies by those skilled in the art.
Example 1
As shown in fig. 1, 2, 3, 5 and 6, a preset catheter assembly for abdominal cavity perfusion comprises a reserved tube 1 fixed in the abdominal cavity of a patient and a perfusion connection tube 2 penetrating through the reserved tube 1 for abdominal cavity perfusion, wherein an inner end of the reserved tube 1 inserted into the abdominal cavity is provided with an inflatable dredging structure 3, the inflatable dredging structure 3 comprises a silica gel sleeve 301 arranged around the inner wall of the reserved tube 1, the upper end of the silica gel sleeve 301 is fixedly connected with the reserved tube 1, the lower end of the silica gel sleeve 301 is connected with the inner end of the reserved tube 1 through an annular elastic cover 303, so as to form an inflatable expansion cavity 302 positioned on the inner wall of the reserved tube 1, the inner wall of the inner end of the reserved tube 1 is provided with a plurality of fan-shaped turnover pieces 304 made of silica gel material, the fan-shaped turnover pieces 304 are spliced to form a silica gel sealing plate for sealing the inner end of the reserved tube 1, and the perfusion connection tube 2 is inserted into the reserved tube 1 to jack the silica gel sealing plate and then is inserted into the abdominal cavity for perfusion; the annular elastic cover 303 is tightly attached to the fan-shaped turnover pieces 304, and after the inflation expansion cavity 302 is inflated, the fan-shaped turnover pieces 304 are pushed to turn downwards and protrude out of the inner end of the reserved pipe 1, so that the fan-shaped tips of the fan-shaped turnover pieces 304 dredge the inner end of the blocked reserved pipe 1.
When the device is used, the reserved pipe 1 of the embodiment is inserted into and fixed in the abdominal cavity of a patient, when the abdominal cavity perfusion is needed, quantitative gas is firstly filled into the inflatable expansion cavity 302 of the reserved pipe 1, the inflatable expansion cavity drives the fan-shaped turnover piece 304 to turn downwards to a certain angle after being expanded, then the gas is discharged, the inflation and deflation process is repeated for 3-5 times, the dredging work is completed, after the dredging is completed, the perfusion connecting pipe 2 connected with perfusion equipment is inserted into the reserved pipe 1, and the perfusion treatment is carried out according to the treatment flow; and after the pouring is finished, the pouring connecting pipe 2 is pulled out, and the end part of the reserved pipe 1 is sealed.
As the inflation expansion cavity 302 and the fan-shaped turnover piece 304 have the same expansion amplitude due to the filling of the quantitative gas, the fan-shaped tip of the fan-shaped turnover piece 304 completes the dredging of the inner end of the blocked reserved pipe 1 in the turnover process.
In this embodiment, the fan-shaped turnover sheet 304 is actually a circular silica gel plate, and is uniformly divided into sectors along the center of a circle, the sectors are fixed on the inner wall of the preformed tube 1 by circular arc edges, and the tips form free ends.
Example 2
This embodiment is an improved scheme based on embodiment 1, and the main structure thereof is the same as embodiment 1, and the improvement point is that: as shown in fig. 5 and 6, an inflation port 306 is arranged on the outer end side wall of the reserved pipe 1 outside the abdominal cavity, the inflation port 306 is communicated with the inflation expansion cavity 302 through an inflation duct 305 in the pipe wall of the reserved pipe 1, and the inflation port 306 is communicated with an external inflation device and then performs inflation and deflation operations to control the inflation and deflation of the inflation expansion cavity 302, so that the fan-shaped tip of the fan-shaped turnover piece 304 moves up and down in a reciprocating manner, and the dredging of the end blockage of the reserved pipe 1 is completed.
In this embodiment, it is desirable to control the amount of inflation of the external inflation device at each time so that the fan-shaped flipping sheet 304 flips within a certain range each time it flips due to inflation of the inflation lumen 302.
Example 3
The present embodiment is another modified scheme based on embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 4-9, the reserve tube 1 is formed by connecting an inner tube 102 inserted into an abdominal cavity and an outer tube 101 located outside the abdominal cavity, and the joint of the inner tube 102 and the outer tube 101 forms an inner clamping platform 103 surrounding the inner wall of the outer tube 101 and an outer clamping platform 104 surrounding the outer wall of the outer tube 101, the perfusion connection tube 2 is provided with a clamping platform matched with the inner clamping platform 103 to limit the matching position of the perfusion connection tube 2 and the reserve tube 1, the outer clamping platform 104 is provided with a fixing structure 5 for fixing the reserve tube 1 around the outer tube 101, the fixing structure 5 comprises at least three arc-shaped connecting fins 501 surrounding the outer tube 101, the arc-shaped connecting fins 501 are made of silica gel and located on the same cylinder, and have a space 503 therebetween, and the back of the reserve tube 1 is fixed on the surface of the abdominal cavity by outwardly turning the back of the reserve tube.
Example 4
This embodiment is an improved scheme based on embodiment 3, and the main structure thereof is the same as embodiment 3, and the improvement point is that: as shown in fig. 5-6, the height of the arc-shaped connecting fins 501 is higher than the length of the outer tube 101, so that the outer tube 101 is covered when the outer tube is not folded, the back of each arc-shaped connecting fin 501 is provided with an inflating fin 502, and after inflation, the inflating fins 502 fill the space 503 between the arc-shaped connecting fins 501, thereby completing the sealing of the outer wall of the preformed tube 1 and the puncture of the abdominal cavity.
Example 5
The present embodiment is another modified scheme based on embodiment 3, and the main structure of the present embodiment is the same as embodiment 3, and the improvement point is that: a height marking line is provided along the height direction of the arc-shaped connecting wing 501, and the insertion depth of the inner tube 102 is determined by the height marking line.
Example 6
The present embodiment is another modified scheme based on embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 10, the outer end of the perfusion adapter 2 is provided with a connector 202 connected with a perfusion device, the inside of the perfusion adapter is provided with a perfusate channel 201 for guiding perfusate, and the perfusate connected to the connector 202 enters the abdominal cavity through the perfusate channel 201 to complete abdominal perfusion.
Example 7
This embodiment is an improved scheme based on embodiment 6, and the main structure thereof is the same as that of embodiment 6, and the improvement point is that: as shown in fig. 10, at least one perfusate buffer chamber 203 is provided in the perfusion adapter 2, and the at least one perfusate buffer chamber 203 is connected in series by a perfusate channel 201.
Example 8
This embodiment is an improved scheme based on embodiment 7, and the main structure thereof is the same as embodiment 7, and the improvement point is as follows: as shown in fig. 10, a temperature sensor for measuring the temperature of the perfusate is disposed in the perfusate buffer chamber 203, and the temperature sensor disposed therein can reflect the final temperature of the perfusate filled into the human body as truly as possible.
Example 9
This embodiment is another improvement made on the basis of embodiment 6, and the main structure thereof is the same as embodiment 6, and the improvement point is as follows: as shown in fig. 3, the inner end of the pouring nozzle 2 inserted into the preformed tube 1 is provided with a pouring head 4, and the pouring head 4 can push open the fan-shaped turnover sheet 304 when the pouring nozzle 2 is inserted into the preformed tube 1 for pouring; a plurality of pouring holes 405 are distributed around the side wall of the pouring head 4, the pouring holes 405 are communicated with the pouring liquid channel 201 in the pouring connecting pipe 2, and the openings of the pouring holes 405 are positioned in a pouring liquid discharge area 404 formed between the fan-shaped turnover piece 304 and the pouring head 4 and the side wall.
Example 10
This embodiment is an improved scheme based on embodiment 9, and the main structure thereof is the same as that of embodiment 9, and the improvement point is that: as shown in fig. 3, the perfusion head 4 has a perfusion fluid drainage cavity 402 therein, the top of the perfusion fluid drainage cavity 402 is communicated with the perfusion fluid channel 201, and the bottom is communicated with the perfusion hole 405; the side wall surrounding the pouring head 4 is provided with an inward concave arc-shaped concave surface 403, so that a convex head 401 with a narrow lower part and a wide upper part is formed at the end part of the pouring head 4, the bottom of the convex head 401 is horizontal, and the joint of the edge of the convex head and the arc-shaped concave surface 403 is subjected to smooth transition treatment; the perfusion holes 405 are all formed on the arc concave surface 403; after the perfusion head 4 penetrates out of the fan-shaped turnover sheet 304, the middle part of the fan-shaped turnover sheet 304 is in contact with the top of the arc-shaped concave surface 403, and a perfusion fluid discharge area 404 is formed between the fan-shaped turnover sheet 304 and the arc-shaped concave surface 403.
In this embodiment, the perfusion holes 405 are distributed on the arc-shaped concave surface 403 at different heights;
in this embodiment, the filling head 4 is detachably connected to the filling nozzle 2, so that it can be removed for cleaning.
Claims (9)
1. The utility model provides a peritoneal irrigation is with presetting pipe assembly, is including fixing in reservation pipe (1) of patient's abdominal cavity and passing and reserve pipe (1) and carry out perfusion takeover (2) of peritoneal irrigation, its characterized in that: the inner end of the reserved pipe (1) inserted into the abdominal cavity is provided with an inflatable dredging structure (3), the inflatable dredging structure (3) comprises a silica gel sleeve (301) surrounding the inner wall of the reserved pipe (1), the upper end of the silica gel sleeve (301) is fixedly connected with the reserved pipe (1), the lower end of the silica gel sleeve is connected with the inner end of the reserved pipe (1) through an annular elastic cover (303), so that an inflatable expansion cavity (302) located on the inner wall of the reserved pipe (1) is formed, the inner wall of the inner end of the reserved pipe (1) is provided with a plurality of fan-shaped turnover pieces (304) made of silica gel materials, the fan-shaped turnover pieces (304) are spliced to form a silica gel sealing plate for sealing the inner end of the reserved pipe (1), and the filling connecting pipe (2) is inserted into the reserved pipe (1) to jack the silica gel sealing plate and then extends into the abdominal cavity for filling; the annular elastic cover (303) is tightly attached to the fan-shaped turnover pieces (304), and after the inflation expansion cavity (302) is inflated, the fan-shaped turnover pieces (304) are pushed to turn downwards and protrude out of the inner end of the reserved pipe (1), so that the fan-shaped tips of the fan-shaped turnover pieces (304) dredge the inner end of the blocked reserved pipe (1); the outer end of the perfusion connecting pipe (2) is provided with a connector (202) connected with perfusion equipment, a perfusion fluid channel (201) for guiding perfusion fluid is arranged inside the perfusion connecting pipe, and the perfusion fluid connected into the connector (202) enters the abdominal cavity through the perfusion fluid channel (201) to complete abdominal perfusion.
2. The pre-placement catheter assembly for peritoneal irrigation of claim 1, wherein: an inflation inlet (306) is formed in the outer end side wall of the reserved pipe (1) located outside the abdominal cavity, the inflation inlet (306) is communicated with the inflation expansion cavity (302) through an inflation hole channel (305) in the pipe wall of the reserved pipe (1), inflation and deflation operations are performed after the inflation inlet (306) is communicated with external inflation equipment to control the inflation and contraction of the inflation expansion cavity (302), and then the fan-shaped tip of the fan-shaped turnover piece (304) moves up and down in a reciprocating mode to complete dredging of blockage of the end portion of the reserved pipe (1).
3. The pre-placement catheter assembly for peritoneal irrigation of claim 1, wherein: reserve pipe (1) and be in the outer tube (101) of abdominal cavity and connect and form for inserting inner tube (102) in the abdominal cavity, and inner tube (102) and outer tube (101) junction form the interior ka tai (103) of encircleing outer tube (101) inner wall and encircle outer ka tai (104) of outer tube (101) outer wall, fill and have on taking over (2) with interior ka tai (103) assorted ka tai to inject the cooperation position of taking over (2) and reserving pipe (1), it is provided with fixed knot structure (5) that are used for fixed reservation pipe (1) to encircle outer tube (101) on outer ka tai (104), fixed knot structure (5) are including surrounding at least three arc connection fin (501) that outer tube (101) set up, and these arc connection fin (501) are the silica gel material and are on same drum, have interval (503) each other, make its back adhesion fix on the abdominal cavity surface through outwards rolling over, accomplish the fixed of reserving pipe (1).
4. The pre-placement catheter assembly for peritoneal irrigation of claim 3, wherein: the height of the arc-shaped connecting fins (501) is higher than the length of the outer pipe (101), so that the outer pipe (101) is wrapped when the outer pipe is not turned over, the back of each arc-shaped connecting fin (501) is provided with the inflatable fins (502), and the inflatable fins (502) fill the intervals (503) between the arc-shaped connecting fins (501) after inflation, so that the sealing of the outer wall of the reserved pipe (1) and the abdominal puncture hole is completed.
5. The pre-placement catheter assembly for peritoneal irrigation of claim 3, wherein: and a height marked line is arranged along the height direction of the arc-shaped connecting wing piece (501), and the insertion depth of the inner pipe (102) is determined through the height marked line.
6. The pre-placement catheter assembly for peritoneal irrigation of claim 1, wherein: the perfusion connecting pipe (2) is internally provided with at least one perfusion fluid buffer cavity (203), and the at least one perfusion fluid buffer cavity (203) is connected in series by utilizing a perfusion fluid channel (201).
7. The pre-placement catheter assembly for peritoneal irrigation of claim 6, wherein: and a temperature sensor for measuring the temperature of the perfusate is arranged in the perfusate buffer cavity (203).
8. The pre-placement catheter assembly for peritoneal irrigation of claim 1, wherein: the inner end of the pouring connecting pipe (2) inserted into the reserved pipe (1) is provided with a pouring head (4), and the pouring head (4) can jack the fan-shaped turnover sheet (304) when the pouring connecting pipe (2) is inserted into the reserved pipe (1) for pouring; a plurality of perfusion holes (405) are distributed around the side wall of the perfusion head (4), the perfusion holes (405) are communicated with a perfusion fluid channel (201) in the perfusion connecting pipe (2), and the opening of the perfusion holes is positioned in a perfusion fluid discharge area (404) formed between the fan-shaped turnover piece (304) and the perfusion head (4) as well as the side wall.
9. The pre-placement catheter assembly for peritoneal irrigation of claim 8, wherein: the perfusion head (4) is internally provided with a perfusion fluid drainage cavity (402), the top of the perfusion fluid drainage cavity (402) is communicated with the perfusion fluid channel (201), and the bottom of the perfusion fluid drainage cavity is communicated with the perfusion hole (405); the side wall surrounding the pouring head (4) is provided with an inward concave arc-shaped concave surface (403), so that a convex head (401) with a narrow lower part and a wide upper part is formed at the end part of the pouring head (4), the bottom of the convex head (401) is horizontal, and the joint of the edge of the convex head and the arc-shaped concave surface (403) is subjected to smooth transition treatment; the perfusion holes (405) are all formed in the arc concave surface (403); after the perfusion head (4) penetrates out of the fan-shaped turnover sheet (304), the middle part of the fan-shaped turnover sheet (304) is contacted with the top of the arc-shaped concave surface (403), and a perfusion fluid discharge area (404) is formed between the fan-shaped turnover sheet (304) and the arc-shaped concave surface (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110367788.XA CN113101426B (en) | 2021-04-06 | 2021-04-06 | Pre-arranged catheter assembly for abdominal cavity perfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110367788.XA CN113101426B (en) | 2021-04-06 | 2021-04-06 | Pre-arranged catheter assembly for abdominal cavity perfusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113101426A CN113101426A (en) | 2021-07-13 |
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| CN113521422B (en) * | 2021-07-16 | 2022-10-11 | 河南科技大学第一附属医院 | Milk tube dredging and flushing device |
| CN113521423B (en) * | 2021-07-16 | 2022-10-11 | 河南科技大学第一附属医院 | Independent milk duct perfusion assembly and use method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203303492U (en) * | 2013-06-20 | 2013-11-27 | 西安交通大学医学院第二附属医院 | Intraperitoeal perfusion chemothrerapy device |
| CN204521932U (en) * | 2015-01-15 | 2015-08-05 | 文恩 | A kind of New pattern chest, abdominal puncture and drainage pipe |
| CN106039540A (en) * | 2016-08-16 | 2016-10-26 | 华中科技大学同济医学院附属协和医院 | Double-sleeve nasogastric tube allowing outward drainage of irrigating fluid and drainage and injecting method thereof |
| CN106110470A (en) * | 2016-07-26 | 2016-11-16 | 华中科技大学同济医学院附属协和医院 | A kind of block-proof type intraperitoneal perfusion chemotherapy drainage tube |
| CN207356349U (en) * | 2017-03-21 | 2018-05-15 | 安徽医学高等专科学校 | A kind of Multi-functional urethral catheter |
| CN208598970U (en) * | 2017-10-23 | 2019-03-15 | 广安市人民医院 | A kind of perfusion chemotherapy clogging-proof drainage tube |
| CN209221292U (en) * | 2018-09-30 | 2019-08-09 | 西安易胜医疗器械科技有限公司 | A kind of splanchnocoel catheter drainage device |
| CN210494861U (en) * | 2019-06-03 | 2020-05-12 | 溧阳市人民医院 | Improved catheter |
| CN210750470U (en) * | 2019-06-21 | 2020-06-16 | 苏州大学附属第一医院 | Anti-blocking drainage tube for abdominal cavity puncture |
| CN111419527A (en) * | 2020-04-10 | 2020-07-17 | 刘扬帆 | Abdominal cavity hot perfusion chemotherapy device |
| CN111529792A (en) * | 2020-05-09 | 2020-08-14 | 郑州大学第一附属医院 | Enema device capable of reducing probability of intestinal perforation |
| CN211301690U (en) * | 2019-12-26 | 2020-08-21 | 山东省千佛山医院 | Prevent blockking up catheter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7914478B2 (en) * | 2001-03-30 | 2011-03-29 | Tatsuo Kumazaki | Intrapelvic perfusion therapy with cancer therapeutic agent and apparatus for intrapelvic perfusion with cancer therapeutic agent |
| US11672956B2 (en) * | 2019-03-12 | 2023-06-13 | Wisconsin Alumni Research Foundation | Multi-purpose catheter for brachytherapy and intratumoral injection |
-
2021
- 2021-04-06 CN CN202110367788.XA patent/CN113101426B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203303492U (en) * | 2013-06-20 | 2013-11-27 | 西安交通大学医学院第二附属医院 | Intraperitoeal perfusion chemothrerapy device |
| CN204521932U (en) * | 2015-01-15 | 2015-08-05 | 文恩 | A kind of New pattern chest, abdominal puncture and drainage pipe |
| CN106110470A (en) * | 2016-07-26 | 2016-11-16 | 华中科技大学同济医学院附属协和医院 | A kind of block-proof type intraperitoneal perfusion chemotherapy drainage tube |
| CN106039540A (en) * | 2016-08-16 | 2016-10-26 | 华中科技大学同济医学院附属协和医院 | Double-sleeve nasogastric tube allowing outward drainage of irrigating fluid and drainage and injecting method thereof |
| CN207356349U (en) * | 2017-03-21 | 2018-05-15 | 安徽医学高等专科学校 | A kind of Multi-functional urethral catheter |
| CN208598970U (en) * | 2017-10-23 | 2019-03-15 | 广安市人民医院 | A kind of perfusion chemotherapy clogging-proof drainage tube |
| CN209221292U (en) * | 2018-09-30 | 2019-08-09 | 西安易胜医疗器械科技有限公司 | A kind of splanchnocoel catheter drainage device |
| CN210494861U (en) * | 2019-06-03 | 2020-05-12 | 溧阳市人民医院 | Improved catheter |
| CN210750470U (en) * | 2019-06-21 | 2020-06-16 | 苏州大学附属第一医院 | Anti-blocking drainage tube for abdominal cavity puncture |
| CN211301690U (en) * | 2019-12-26 | 2020-08-21 | 山东省千佛山医院 | Prevent blockking up catheter |
| CN111419527A (en) * | 2020-04-10 | 2020-07-17 | 刘扬帆 | Abdominal cavity hot perfusion chemotherapy device |
| CN111529792A (en) * | 2020-05-09 | 2020-08-14 | 郑州大学第一附属医院 | Enema device capable of reducing probability of intestinal perforation |
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