CN114146240B - Peritoneal dialysis connecting instrument for kidney internal medicine - Google Patents
Peritoneal dialysis connecting instrument for kidney internal medicine Download PDFInfo
- Publication number
- CN114146240B CN114146240B CN202111406576.4A CN202111406576A CN114146240B CN 114146240 B CN114146240 B CN 114146240B CN 202111406576 A CN202111406576 A CN 202111406576A CN 114146240 B CN114146240 B CN 114146240B
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- Prior art keywords
- outlet pipe
- liquid outlet
- peritoneal dialysis
- piston disc
- pressing block
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- 238000000502 dialysis Methods 0.000 title claims abstract description 28
- 210000003734 kidney Anatomy 0.000 title claims abstract description 11
- 239000003814 drug Substances 0.000 title claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000003825 pressing Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 210000000683 abdominal cavity Anatomy 0.000 claims description 4
- 210000001015 abdomen Anatomy 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000385 dialysis solution Substances 0.000 description 15
- 238000009434 installation Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 210000003200 peritoneal cavity Anatomy 0.000 description 3
- 210000003567 ascitic fluid Anatomy 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000004379 membrane Anatomy 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
- A61M1/285—Catheters therefor
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Urology & Nephrology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention provides a peritoneal dialysis connecting instrument and a peritoneal dialysis connecting method for kidney internal medicine, wherein a flow passage or a hole through which peritoneal dialysis liquid flows is respectively arranged on a core column and a seat sleeve, the flow passage or the hole on the core column is connected with a conveying passage for continuously conveying the peritoneal dialysis liquid, and is also connected with a high-elastic hose, a channel-shaped left pressing block is embedded in the left side wall of a cavity, and the right side of a right pressing block is in sliding connection with the right side wall of the cavity; the second joint comprises a bottle cap-shaped threaded cover, a plurality of ventilation holes are formed in the position, close to the inner side wall, of the threaded cover, a circular boss is arranged in the center of the threaded cover, a liquid outlet pipe is coaxially embedded and fixed in the center of the boss, a piston disc is axially and slidably connected with the inlet end of the liquid outlet pipe and in dynamic sealing fit, and in the process of compressing a conical spring by the piston disc, the piston disc can enable liquid on the left side of the piston disc in the liquid outlet pipe to flow into the right side through the inlet end of the drainage groove. The connecting device has simple and compact structure, is convenient to operate, and can fully exhaust the air during connection.
Description
Technical Field
The invention relates to the technical field of peritoneal dialysis equipment, in particular to a peritoneal dialysis connecting instrument for kidney internal medicine.
Background
Peritoneal dialysis is one of kidney substitution treatment, and is to utilize the peritoneal membrane as a dialysis membrane, exchange solute and water through the dialysis liquid poured into the peritoneal cavity and plasma components in capillaries on the other side of the peritoneal membrane, remove metabolic products and excessive water retained in the body, and supplement substances necessary for the body through the dialysis liquid at the same time, and achieve the purpose of kidney substitution or support treatment through continuous renewal of the peritoneal dialysis liquid. When peritoneal dialysis is performed on a patient, an peritoneal dialysis solution is required to be delivered into the abdominal cavity of the patient, and when the peritoneal dialysis solution is connected to the patient, the conventional apparatus is inconvenient to connect, and a large amount of air is inevitably mixed in, which affects the therapeutic effect.
Disclosure of Invention
The invention aims to solve the problems of inconvenient connection of a dialysis pipeline and easy air mixing in peritoneal dialysis in the prior art by providing a peritoneal dialysis connection instrument for kidney internal medicine aiming at the defects in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a peritoneal dialysis connecting device for kidney internal medicine, including be used for connecting in the first joint of peritoneal dialysis one side and be used for connecting in patient's belly second joint, its first joint includes seat cover and stem, be equipped with a runner or hole that supplies peritoneal dialysis liquid to flow through on stem and the seat cover respectively, the stem can rotate relatively in the seat cover and can rotate to the runner or the hole of two and align the position that communicates, runner or hole on the stem is connected with a transfer passage for continuing to carry peritoneal dialysis liquid, and connect a high-elastic hose in the exit end one side of transfer passage, high-elastic hose top has a cavity, left side wall in the cavity is inlayed with the left briquetting of channel-section form, the left side wall of right briquetting is inside through reset spring elastic support the left side of a right briquetting, the right side of right briquetting is through a slider vertical sliding connection in the right side wall of cavity, right briquetting top has a pressure handle and this pressure handle stretches out the stem, the left side of right briquetting lower terminal surface is in the left side of left briquetting and is pressed to the left side of high-elastic hose section under the left briquetting and can not begin to compress when the left end of high-elastic hose begins the rest of the hose section;
the second joint comprises a bottle cap-shaped threaded cover, the threaded cover can be screwed on the other end of the core column in a threaded fit manner, a plurality of ventilation holes are formed in the position, close to the inner side wall, of the threaded cover, a circular boss is arranged in the center of the threaded cover, a liquid outlet pipe is coaxially embedded and fixed in the center of the boss, the inlet end of the liquid outlet pipe is flush with the end face of the boss, a piston disc is further arranged at the inlet end of the liquid outlet pipe through a conical spring in an elastic mode, the piston disc is axially and slidably connected with the inlet end of the liquid outlet pipe and in movable sealing fit, a drainage groove which is shaped like a Chinese character 'V' is further axially formed in the inner wall of a pipe section, close to the inlet end of the liquid outlet pipe, and in the process of the conical spring, the piston disc can enable liquid on the left side of the piston disc in the liquid outlet pipe to flow into the right side through the inlet end of the drainage groove.
The seat cover is internally provided with a cylindrical concave cavity, the side wall of the concave cavity is provided with a liquid inlet pipe which is communicated with the concave cavity and is inserted into the flow passage or the hole, the circumferential direction of the inner wall of the concave cavity is also provided with an arc-shaped groove, and two ends of the arc-shaped groove are respectively provided with a sliding hole penetrating through the seat cover; one end of the core column rotates and can not be axially movably matched and arranged in the concave cavity, a guide block is also convexly arranged on the cylindrical surface of the core column, the guide block is slidably arranged in the arc-shaped groove, a lock pin which can extend out of the surface of the guide block is elastically arranged in the guide block, and the free end of the lock pin can be in extrusion contact with the bottom of the arc-shaped groove.
The pipe wall of the inlet end of the liquid outlet pipe is also connected with a polish rod in a sliding fit manner, the bottom end of the polish rod is obliquely arranged downwards towards one side of the piston disc, the top end of the polish rod is coaxially and integrally connected with a threaded rod, the threaded rod is in threaded connection with the threaded cover, and when the threaded rod is screwed to the bottom, the bottom end of the polish rod just abuts against the end face of the piston disc.
Compared with the prior art, the invention has the following beneficial effects: the invention can gradually realize the transportation control of peritoneal fluid, is very convenient to connect and use, can fully exhaust air and avoid the influence on the curative effect caused by the injection of a large amount of air during the transportation of the peritoneal fluid. Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of the outlet pipe of FIG. 1;
fig. 3 shows a fastening of the press handle.
The novel plastic composite material comprises a seat cover 1, a core column 2, a liquid inlet pipe 3, a blind hole 4, a conveying channel 5, a lock pin 6, a high-elastic hose 7, a right pressing block 8, a left pressing block 9, a threaded cover 10, an air hole 11, a liquid outlet pipe 12, a piston disc 13, a conical spring 14, a polished rod 15 and a threaded rod 16.
Description of the embodiments
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present invention more clear and easy to understand, the present invention is further described below with reference to the accompanying drawings and the detailed description:
the invention provides a peritoneal dialysis connecting instrument for kidney internal medicine, which is shown in fig. 1 and mainly comprises a first connector for connecting one side of a container for holding peritoneal dialysis solution and a second connector for connecting the peritoneal dialysis solution to the abdomen of a patient. In this embodiment, the stem 2 and the sleeve 1 are respectively provided with a flow passage or a hole through which the peritoneal dialysis solution flows, and the stem 2 can relatively rotate in the sleeve 1 and can rotate to the position where the flow passages or the holes of the stem 2 and the sleeve are aligned and communicated, and the flow passage or the hole is actually a passage for a pipeline into which the peritoneal dialysis solution flows, and can be specifically manufactured in various forms. The runner or the hole on the stem 2 is connected with a conveying channel 5 for continuously conveying the peritoneal dialysis solution, one side of the outlet end of the conveying channel 5 is connected with a high-elastic hose 7, the high-elastic hose 7 is characterized in that the pipeline has good elasticity and is easy to compress but can quickly recover, a cavity is further formed in the stem 2 above the high-elastic hose 7, a channel-shaped left pressing block 9 is embedded in the left side wall of the cavity, a notch of the left pressing block 9 faces to the right, the left side of a right pressing block 8 is elastically supported by a reset spring in the left pressing block 9, and a rectangular protruding part is convexly processed on the left side surface of the right pressing block 8 during specific manufacturing, is installed in the notch in a sliding fit mode and is supported and connected by the reset spring. Meanwhile, the right side of the right pressing block 8 is vertically slidably coupled in the right side wall of the cavity by a slider (not shown) to guide the vertical sliding thereof. The top of the right pressing block 8 is provided with a pressing handle which extends out of the stem 2 so as to be convenient for pressing operation, when the left side of the lower end face of the right pressing block 8 is pressed down in the left pressing block 9 to the left end of the high-elastic hose 7 and can not be compressed, the rest part of the lower end face of the right pressing block 8 is contacted with the rest pipe section of the high-elastic hose 7, so that when the pressing handle is pressed down, the left pressing block 9 firstly presses the left end of the high-elastic hose 7, and when the left end of the high-elastic hose 7 is pressed down and exhausted to be airtight, the right pressing block 8 is only contacted with the high-elastic hose 7, and then all the high-elastic hose 7 except the left end is flattened and exhausted. In order to facilitate the increase of the deformation recovery of the left end of the high-elastic hose 7, the left end of the high-elastic hose 7 is preferably made of a material having elasticity superior to that of the rest of the pipe sections. In addition, the second joint of the present embodiment includes a bottle cap-shaped screw cap 10, the screw cap 10 can be screwed on the other end of the stem 2 in a threaded fit, with continued reference to fig. 2, a plurality of ventilation holes 11 are provided at the inner side wall of the screw cap 10, a circular boss is provided at the center of the screw cap 10, a liquid outlet pipe 12 is coaxially embedded and fixed at the center of the boss, the inlet end of the liquid outlet pipe 12 is flush with the end surface of the boss, a piston disc 13 is elastically mounted at the inlet end of the liquid outlet pipe 12 through a conical spring, the piston disc 13 is axially slidably connected with the inlet end of the liquid outlet pipe 12 and in a movable seal fit, and a drainage groove is axially provided on the inner wall of the pipe section of the liquid outlet pipe 12 near the inlet end, and in the process of the conical spring 14 is compressed by the piston disc 13, the piston disc 13 can pass through the inlet end of the drainage groove to enable left liquid in the liquid outlet pipe 12 to flow into the right side.
As specific implementation details, the seat cover 1 of the first connector is provided with a cylindrical concave cavity, the side wall of the concave cavity is provided with a liquid inlet pipe 3 communicated with the concave cavity, the circumference direction of the inner wall of the concave cavity is also provided with an arc-shaped groove, and two ends of the arc-shaped groove are respectively provided with a sliding hole penetrating through the seat cover 1. The whole core column 2 is preferably processed into a smoother cylindrical structure, one end of the core column 2 rotates and cannot be matched and installed in the concave cavity in an axial movement mode, namely, the core column 2 is matched and installed in the seat cover 1 in a self-rotating mode in situ. When in manufacture, one side of the cylindrical surface of the core column 2 can be provided with a blind hole 4 to be used as the flow passage or the hole, the cylindrical surface of the core column 2 is also convexly provided with a guide block, and the guide block is arranged in the arc-shaped groove in a sliding fit manner, for example, the path of the arc-shaped groove is semicircular; the guide block is internally and elastically provided with a lock pin 6 which can extend out of the surface of the guide block, the free end of the lock pin 6 is in extrusion contact with the bottom of the arc-shaped groove, namely, the lock pin 6 has a tendency to spring outwards in the stem 2, so that when the stem 2 rotates in the seat cover 1, the free end of the lock pin 6 can extend out of the sliding hole and the blind hole 4 is communicated with the liquid inlet pipe 3 at the moment, and the free end of the lock pin 6 is preferably in a hemispherical structure during specific processing. The stem 2 is rotated until the blind hole 4 is communicated with the liquid inlet pipe 3, so that the peritoneal dialysis solution enters the conveying channel 5, and the lock pin 6 ejects out of one of the sliding holes of the arc-shaped groove at the moment, so that the relative position between the stem 2 and the seat cover 1 is fixed, and the peritoneal dialysis solution flowing-in state is always kept in the conveying channel 5. All the pressing blocks are not contacted with the high-elastic hose 7, so that the high-elastic hose 7 expands under the pressure of the peritoneal dialysis solution of the conveying channel 5 to restore the tubular structure, and then the peritoneal dialysis solution is conveyed normally.
In order to facilitate the exhaust, the wall of the inlet end of the liquid outlet pipe 12 is further inserted with a polish rod 15 in a sliding fit manner, the bottom end of the polish rod 15 is obliquely arranged downwards towards one side of the piston disc 13, the top end of the polish rod 15 is coaxially and integrally connected with a threaded rod 16, the threaded rod 16 is in threaded connection with the threaded cap 10, and when the threaded rod 16 is screwed to the bottom, the bottom end of the polish rod 15 just abuts against the end face of the piston disc 13. The top end of the threaded rod 16 is exposed out of the threaded cover 10 and fixedly connected with a steel ball, the threaded rod 16 is also provided with a scale mark, and the scale mark is coplanar with the end surface of the threaded cover 10 when the bottom end of the polished rod 15 just abuts against the end surface of the piston disc 13. The ventilation holes 11 are provided in a circular array on the screw cap 10. In the above arrangement of the polish rod 15, it should be noted that before screwing the screw cap 10, the screw rod 16 must be screwed to the bottom first, so that the polish rod 15 is propped against the end face of the piston disc 13, thus, when the screw cap 10 is screwed down subsequently, the space between the stem 2 and the screw cap 10 gradually becomes smaller, and air in the space cannot drive the piston disc 13 to malfunction due to impact on the piston disc 13, so that the air can only escape through the ventilation hole 11, when the boss of the screw cap 10 is tightly attached to the end face of the stem 2, the screw cap 10 is screwed in place, and at this time, the air between the screw cap 10 and the stem 2 is discharged completely, and the high-elastic hose 7 and the liquid outlet pipe 12 are aligned. Then the threaded rod 16 is screwed out for a certain distance, the pushing blocking force of the polish rod 15 to the piston disc 13 is released, and along with the conveying of the peritoneal dialysis solution, the piston disc 13 at the moment can move upwards towards one side of the outlet end of the liquid outlet pipe 12, and the internal channel of the liquid outlet pipe 12 is opened, so that the peritoneal dialysis solution is smoothly input into the liquid outlet pipe 12, and then enters a patient.
Based on the above description of the structural principle, this embodiment exemplifies a specific peritoneal dialysis connection method, and adopts the aforementioned peritoneal dialysis connection apparatus for kidney medicine to connect, first, it is checked whether the pressing handle is in the pressed-down installation state before connection, it is determined whether the left and right pressing blocks collapse the high-elastic hose 7 to discharge air, and it is checked whether the threaded rod 16 is screwed to the bottom, so that it is ensured that the polish rod 15 can prevent the piston disc 13 from moving toward the outlet side of the liquid outlet pipe 12. Secondly, screw cap 10 is screwed on stem 2, during screwing process, air between stem 2 and screw cap 10 is discharged through air vent 11, and finally, when screwing in place, boss and stem 2 end face are pressed, sealed contact, and high-elastic hose 7 is aligned coaxially with drain pipe 12. Again, unscrewing the threaded rod 16 causes the rod 15 to withdraw a distance, releasing the blocking restriction on the piston disc 13. Then holding the seat cover 1, rotating the core column 2, enabling the liquid inlet pipe 3 to be communicated with a flow passage or a hole of the core column 2, enabling the peritoneal dialysis liquid to enter the core column 2, and enabling the lock pin 6 to pop up the sliding hole under the action of a spring so as to realize the relative fixation between the core column 2 and the seat cover 1; and then the pressing handle is released, so that the two pressing blocks are pushed upwards by the reset spring to move, and the squeezing action on the high-elastic hose 7 is released. When the peritoneal dialysis solution flows out of the high-elastic hose 7 to push the piston disc 13 to move towards the outlet end of the liquid outlet pipe 12 until the piston disc 13 moves to expose the inlet end of the drainage groove, the peritoneal dialysis solution enters the drainage groove and flows out towards the outlet direction of the liquid outlet pipe 12, and finally enters the patient. As implementation details, for the installation state in which the pressing handle is pressed down, it may be implemented as follows: as shown in fig. 3, a r-shaped frame is adopted, and a vertically arranged bolt screwed into the frame is matched, so that the pressing handle can be pressed to be in an installation state, and after the screw cap 10 is unscrewed, no air enters the peritoneal cavity fluid flow channel of the first joint, and the peritoneal cavity fluid can be conveyed by directly sleeving the screw cap 10 in the next connection according to the operation, so that almost no air is mixed. It is also possible to operate as follows: for the installation state in which the pressing handle is pressed down, it can be implemented as follows: the pressing handle and the right pressing block 8 are respectively arranged into two independent parts, the pressing handle adopts a bolt structure, when the pressing block in a pressing-down state needs to be fixed, the pressing fixing of the pressing block can be realized only by downwards screwing the bolt structure, and thus, the flattening state of the high-elastic hose 7 can be kept when the high-elastic hose 7 is pressed down, and the air isolation is realized.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (3)
1. Peritoneal dialysis connecting instrument for kidney internal medicine, its characterized in that: the device comprises a first connector used for being connected to one side of an abdominal cavity of a patient and a second connector used for being connected to the abdomen of the patient, wherein the first connector comprises a seat sleeve and a core column, the core column and the seat sleeve are respectively provided with a runner or a hole through which the abdominal cavity flows, the core column can relatively rotate in the seat sleeve and can rotate to the position where the runners or the holes of the core column are aligned and communicated, the runner or the hole on the core column is connected with a conveying channel for continuously conveying the abdominal cavity, one side of an outlet end of the conveying channel is connected with a high-elastic hose, a cavity is arranged above the high-elastic hose, a left side wall in the cavity is embedded with a channel-shaped left pressing block, the left side of a right pressing block is elastically supported in the left pressing block through a return spring, the right side of the right pressing block is vertically and slidingly connected in the right side wall of the cavity, the top of the right pressing block is provided with a pressing handle, the left side of the lower end face of the right pressing block is downwards pressed to the left end of the high-elastic hose in the left pressing block, and the rest of the lower end face of the right pressing block begins to be in contact with the high-elastic hose when the left end of the high-elastic hose cannot be compressed;
the second joint comprises a bottle cap-shaped threaded cover, the threaded cover can be screwed on the other end of the core column in a threaded fit manner, a plurality of ventilation holes are formed in the position, close to the inner side wall, of the threaded cover, a circular boss is arranged in the center of the threaded cover, a liquid outlet pipe is coaxially embedded and fixed in the center of the boss, the inlet end of the liquid outlet pipe is flush with the end face of the boss, a piston disc is further arranged at the inlet end of the liquid outlet pipe through a conical spring in an elastic mode, the piston disc is axially and slidably connected with the inlet end of the liquid outlet pipe and in movable sealing fit, a drainage groove which is shaped like a Chinese character 'V' is further axially formed in the inner wall of a pipe section, close to the inlet end of the liquid outlet pipe, and in the process of the conical spring, the piston disc can enable liquid on the left side of the piston disc in the liquid outlet pipe to flow into the right side through the inlet end of the drainage groove.
2. The peritoneal dialysis connecting instrument for nephrology department according to claim 1, wherein: the seat cover is internally provided with a cylindrical concave cavity, the side wall of the concave cavity is provided with a liquid inlet pipe which is communicated with the concave cavity and is inserted into the flow passage or the hole, the circumference direction of the inner wall of the concave cavity is also provided with an arc-shaped groove, and two ends of the arc-shaped groove are respectively provided with a sliding hole penetrating through the seat cover; one end of the core column rotates and can not be axially movably matched and arranged in the concave cavity, a guide block is also convexly arranged on the cylindrical surface of the core column, the guide block is slidably arranged in the arc-shaped groove, a lock pin which can extend out of the surface of the guide block is elastically arranged in the guide block, and the free end of the lock pin can be in extrusion contact with the bottom of the arc-shaped groove.
3. The peritoneal dialysis connecting instrument for nephrology department according to claim 2, wherein: the liquid outlet pipe is characterized in that a polish rod is inserted on the pipe wall of the inlet end of the liquid outlet pipe in a sliding fit mode, the bottom end of the polish rod is obliquely arranged downwards towards one side of the piston disc, a threaded rod is coaxially and integrally connected to the top end of the polish rod, the threaded rod is in threaded connection with the threaded cover, and when the threaded rod is screwed to the bottom, the bottom end of the polish rod just abuts against the end face of the piston disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111406576.4A CN114146240B (en) | 2021-11-24 | 2021-11-24 | Peritoneal dialysis connecting instrument for kidney internal medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111406576.4A CN114146240B (en) | 2021-11-24 | 2021-11-24 | Peritoneal dialysis connecting instrument for kidney internal medicine |
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| Publication Number | Publication Date |
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| CN114146240A CN114146240A (en) | 2022-03-08 |
| CN114146240B true CN114146240B (en) | 2023-12-12 |
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| CN202111406576.4A Active CN114146240B (en) | 2021-11-24 | 2021-11-24 | Peritoneal dialysis connecting instrument for kidney internal medicine |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07275358A (en) * | 1994-04-05 | 1995-10-24 | Meteku:Kk | Peritoneum dialysis fluid exchanging device |
| JPH09108340A (en) * | 1995-10-09 | 1997-04-28 | Baxter Internatl Inc | Automatic feeding and discharging apparatus for peritoneal dialysis |
| EP0865794A2 (en) * | 1997-03-20 | 1998-09-23 | Konrad Hageneder | Medical liquid disposal device |
| JP2005253747A (en) * | 2004-03-12 | 2005-09-22 | Medicalseed:Kk | Blood purification device and its replaceable blood purification device unit |
| JP2007222667A (en) * | 2007-04-26 | 2007-09-06 | Jms Co Ltd | Automatic liquid supply and discharge device for peritoneal dialysis machine and automatic peritoneal dialysis machine using the device |
| CN204995876U (en) * | 2015-07-30 | 2016-01-27 | 中国人民解放军第四军医大学 | Peritoneal dialysis waste liquid treatment device |
| WO2018122404A1 (en) * | 2017-01-02 | 2018-07-05 | Fresenius Medical Care Deutschland Gmbh | Method and device for fitting a hose onto a dimensionally stable connector |
| CN109999246A (en) * | 2019-05-07 | 2019-07-12 | 卢珊 | A kind of Nephrology dept.'s peritoneal dialysis positioning device |
| CN110279907A (en) * | 2019-07-31 | 2019-09-27 | 南通市第一人民医院 | A kind of removable sterilization operation air bag of peritoneal dialysis |
| WO2020036289A1 (en) * | 2018-08-17 | 2020-02-20 | 한국벡스팜제약 주식회사 | Drainage bag |
| CN210384566U (en) * | 2019-06-04 | 2020-04-24 | 徐州医科大学 | Novel anesthetic needle |
| CN212756674U (en) * | 2020-04-14 | 2021-03-23 | 泸州市人民医院 | Hemodialysis device for nephrology department |
| CN112616830A (en) * | 2020-12-29 | 2021-04-09 | 亳州市人民医院 | Perfusion fixing system for pathological section |
| CN113082336A (en) * | 2021-04-02 | 2021-07-09 | 中国人民解放军空军军医大学 | Peritoneal dialysis connecting device for nephrology department |
| CN113274572A (en) * | 2021-05-31 | 2021-08-20 | 常州市武进人民医院 | Peritoneal dialysis positioner for nephrology department |
| CN214260231U (en) * | 2020-10-28 | 2021-09-24 | 杨君 | Infusion device capable of preventing countercurrent |
-
2021
- 2021-11-24 CN CN202111406576.4A patent/CN114146240B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07275358A (en) * | 1994-04-05 | 1995-10-24 | Meteku:Kk | Peritoneum dialysis fluid exchanging device |
| JPH09108340A (en) * | 1995-10-09 | 1997-04-28 | Baxter Internatl Inc | Automatic feeding and discharging apparatus for peritoneal dialysis |
| EP0865794A2 (en) * | 1997-03-20 | 1998-09-23 | Konrad Hageneder | Medical liquid disposal device |
| JP2005253747A (en) * | 2004-03-12 | 2005-09-22 | Medicalseed:Kk | Blood purification device and its replaceable blood purification device unit |
| JP2007222667A (en) * | 2007-04-26 | 2007-09-06 | Jms Co Ltd | Automatic liquid supply and discharge device for peritoneal dialysis machine and automatic peritoneal dialysis machine using the device |
| CN204995876U (en) * | 2015-07-30 | 2016-01-27 | 中国人民解放军第四军医大学 | Peritoneal dialysis waste liquid treatment device |
| WO2018122404A1 (en) * | 2017-01-02 | 2018-07-05 | Fresenius Medical Care Deutschland Gmbh | Method and device for fitting a hose onto a dimensionally stable connector |
| WO2020036289A1 (en) * | 2018-08-17 | 2020-02-20 | 한국벡스팜제약 주식회사 | Drainage bag |
| CN109999246A (en) * | 2019-05-07 | 2019-07-12 | 卢珊 | A kind of Nephrology dept.'s peritoneal dialysis positioning device |
| CN210384566U (en) * | 2019-06-04 | 2020-04-24 | 徐州医科大学 | Novel anesthetic needle |
| CN110279907A (en) * | 2019-07-31 | 2019-09-27 | 南通市第一人民医院 | A kind of removable sterilization operation air bag of peritoneal dialysis |
| CN212756674U (en) * | 2020-04-14 | 2021-03-23 | 泸州市人民医院 | Hemodialysis device for nephrology department |
| CN214260231U (en) * | 2020-10-28 | 2021-09-24 | 杨君 | Infusion device capable of preventing countercurrent |
| CN112616830A (en) * | 2020-12-29 | 2021-04-09 | 亳州市人民医院 | Perfusion fixing system for pathological section |
| CN113082336A (en) * | 2021-04-02 | 2021-07-09 | 中国人民解放军空军军医大学 | Peritoneal dialysis connecting device for nephrology department |
| CN113274572A (en) * | 2021-05-31 | 2021-08-20 | 常州市武进人民医院 | Peritoneal dialysis positioner for nephrology department |
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Inventor after: Wang Yuan Inventor after: Liu Ting Inventor after: Xiao Jiao Inventor after: Zhou Meilan Inventor after: Yang Jun Inventor after: He Lijie Inventor after: Bai Ming Inventor before: Zhou Meilan Inventor before: Yang Jun Inventor before: He Lijie Inventor before: Bai Ming |
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Effective date of registration: 20231110 Address after: The Second Affiliated Hospital of Dalian Medical University, 467 Zhongshan Road, Shahekou District, Dalian, Liaoning, 116000 Applicant after: THE SECOND HOSPITAL OF DALIAN MEDICAL University Address before: 710032 No. 127 West Changle Road, Xincheng District, Shaanxi, Xi'an Applicant before: Zhou Meilan |
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