CN114146240A - Peritoneal dialysis connection instrument for nephrology department and peritoneal dialysis connection method - Google Patents
Peritoneal dialysis connection instrument for nephrology department and peritoneal dialysis connection method Download PDFInfo
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- CN114146240A CN114146240A CN202111406576.4A CN202111406576A CN114146240A CN 114146240 A CN114146240 A CN 114146240A CN 202111406576 A CN202111406576 A CN 202111406576A CN 114146240 A CN114146240 A CN 114146240A
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- peritoneal dialysis
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- liquid
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- 238000000502 dialysis Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 230000008569 process Effects 0.000 claims abstract description 5
- 230000003187 abdominal effect Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 210000001015 abdomen Anatomy 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000670 limiting effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000385 dialysis solution Substances 0.000 abstract description 14
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 210000003734 kidney Anatomy 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 206010030113 Oedema Diseases 0.000 description 2
- 210000003567 ascitic fluid Anatomy 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 210000004379 membrane Anatomy 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 210000003200 peritoneal cavity Anatomy 0.000 description 1
- 239000003330 peritoneal dialysis fluid Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009256 replacement therapy Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—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
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- 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)
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- General Health & Medical Sciences (AREA)
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- External Artificial Organs (AREA)
Abstract
The invention provides a peritoneal dialysis connecting device and method for nephrology department, wherein a core column and a seat cover are respectively provided with a runner or a hole for allowing peritoneal dialysis solution to flow through, the runner or the hole on the core column is connected with a conveying channel for continuously conveying the peritoneal dialysis solution, and is also connected with a high-elasticity hose, a left pressing block in a channel steel shape is embedded in the left side wall in a cavity, and the right side of a right pressing block is slidably connected in the right side wall of the cavity; the second joint comprises a bottle cap-shaped threaded cover, a plurality of air 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 in a sliding and movable sealing fit mode, and in the process that the piston disc compresses the conical spring, liquid on the left side of the piston disc in the liquid outlet pipe can flow into the right side through the inlet end of the drainage groove. The connecting device has simple and compact structure and convenient operation, and can fully discharge air during connection.
Description
Technical Field
The invention relates to the technical field of peritoneal dialysis equipment, in particular to a peritoneal dialysis connection instrument for nephrology department and a connection method.
Background
Peritoneal dialysis is one kind of kidney replacement therapy, and is characterized in that the peritoneal membrane is used as a dialysis membrane, and through the dialysate filled into the peritoneal cavity and plasma components in capillary vessels on the other side of the peritoneal membrane, solute and moisture exchange is carried out, so that metabolites and excessive moisture remained in the body are eliminated, substances required by the body are supplemented through the dialysate, and the aim of kidney replacement or supporting therapy is fulfilled through continuously updating the peritoneal dialysate. When peritoneal dialysis is performed on a patient, peritoneal dialysis liquid needs to be conveyed into the abdominal cavity of the patient, and when the peritoneal dialysis liquid and the patient are connected by the conventional equipment, the connection is inconvenient, and a large amount of air inevitably enters the equipment, so that the treatment effect is influenced.
Disclosure of Invention
The invention aims to solve the problems that the prior art is insufficient, the peritoneal dialysis connection instrument for the nephrology department is provided, and the problems that a dialysis pipeline is inconvenient to connect and air is easy to mix in the peritoneal dialysis in the prior art are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a peritoneal dialysis connection apparatus for the kidney internal medicine, a peritoneal dialysis connection apparatus for the kidney internal medicine, which comprises a first connector used for being connected on one side of an abdominal liquid and a second connector used for being connected on the abdomen of a patient, wherein the first connector comprises a seat cover and a core column, the core column and the seat cover are respectively provided with a flow channel or a hole for the abdominal liquid to flow through, the core column can relatively rotate in the seat cover and can rotate to the position where the flow channel or the hole of the core column and the flow channel are aligned and communicated, the flow channel or the hole on the core column is connected with a conveying channel to continue conveying the abdominal liquid, a high-elasticity hose is connected on one side of the outlet end of the conveying channel, a cavity is arranged above the high-elasticity hose, a left pressing block in the shape of channel steel is embedded in the left side wall in the cavity, the left pressing block elastically supports the left side of a right pressing block through a reset spring, the right side of the right pressing block is vertically connected in the right side wall of the cavity through a sliding block, the top of the right pressing block is provided with a pressing handle which extends out of the core column, when the left side of the lower end surface of the right pressing block is pressed downwards in the left pressing block until the left end of the high-elasticity hose can not be compressed, the rest parts of the lower end surface of the right pressing block start to contact with the rest pipe sections of the high-elasticity hose;
the second connects including the screw cap of bottle lid form, and the screw cap can be screwed with screw-thread fit on the other end of stem, and the screw cap leans on its inside wall department to be equipped with a plurality of bleeder vent, and the central authorities of screw cap have a circular shape boss the central authorities of boss are embedded coaxially and are fixed with the drain pipe, and the entrance point of drain pipe flushes with the terminal surface of boss, and the entrance point department of drain pipe still has a piston dish through a conical spring elastic mounting, and the entrance point axial sliding connection and the movive seal cooperation of piston dish and drain pipe, and is close to the pipe section inner wall of its entrance point department at the drain pipe and still axially offers the drainage groove that is the type one, piston dish compression conical spring in-process, the piston dish can be through the entrance point of this drainage groove and make the interior piston dish left side liquid of drain pipe flow in to the right side.
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 spliced on the flow channel 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 which penetrates through the seat cover; one end of the core column is rotatably and non-movably matched and installed in the concave cavity, a guide block is further convexly arranged on the cylindrical surface of the core column, the guide block is installed in the arc-shaped groove in a sliding fit mode, a lock pin capable of extending out of the surface of the guide block is elastically installed in the guide block, and the free end of the lock pin can be in pressing contact with the groove bottom of the arc-shaped groove.
Still plug in a polished rod on the pipe wall of the entrance point of drain pipe sliding fit ground, this polished rod bottom sets up downwards towards piston dish one side slant, and the coaxial integral type in top of polished rod is connected with the threaded rod, this threaded rod with screw cap threaded connection, and when the threaded rod was twisted to the end, the bottom of polished rod pushed up just on the terminal surface of piston dish.
Meanwhile, the invention also provides a peritoneal dialysis connection method which mainly adopts the peritoneal dialysis connection instrument for nephrology department for connection and has the following specific operations: s1, before connection, whether the pressing handle is in a pressed installation state is checked, whether the left pressing block and the right pressing block crush the high-elasticity hose to discharge air is determined, whether the threaded rod is screwed to the bottom is checked, and the smooth rod can prevent the piston disc from moving towards the outlet side of the liquid outlet pipe; s2, screwing the threaded cap on the core column, discharging air between the core column and the threaded cap through the air holes in the screwing process, and finally, when screwing in place, extruding and hermetically contacting the boss with the end face of the core column, wherein the high-elasticity hose is coaxially aligned with the liquid outlet pipe; s3, loosening the threaded rod to enable the polish rod to withdraw for a certain distance, and releasing the blocking and limiting effect on the piston disc; s4, holding the seat cover, rotating the core column, communicating the liquid inlet pipe with the flow channel or the hole of the core column, allowing the abdominal liquid to enter the core column, and allowing the lock pin to pop out of the slide hole under the action of the spring to realize the relative fixation between the core column and the seat cover; s5, releasing the pressing handle to enable the two pressing blocks to be pushed upwards by the return spring to move, and releasing the extrusion effect on the high-elasticity hose; s6, the high elastic hose that the peritoneal dialysis liquid flows out promotes the piston dish and removes towards the export one end of drain pipe, until the piston dish removes to expose when the entrance point of drainage groove, the peritoneal dialysis liquid gets into in the drainage inslot and flows out towards the export direction of drain pipe, finally enters into the patient internally.
In the installation state where the pressing handle is pressed down, the following two methods can be referred to:
a T-shaped frame can be adopted, and a bolt which is vertically arranged and screwed into the frame is matched, so that the pressing handle can be pressed to be in the installation state.
The pressing handle and the right pressing block can be respectively arranged into two independent parts, the pressing handle is of a bolt structure, and when the pressing block in a pressing state needs to be fixed, the pressing block can be extruded and fixed only by screwing the bolt structure downwards.
Compared with the prior art, the invention has the following beneficial effects: the invention can gradually realize the transport control of the peritoneal fluid, is very convenient to connect and use, can fully discharge air, and avoids the influence on the curative effect caused by the injection of a large amount of air during the transport 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 structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at the drain pipe;
fig. 3 shows a fixing mode of the pressing handle.
Wherein, seat cover 1, stem 2, feed liquor pipe 3, blind hole 4, transfer passage 5, lockpin 6, high-elastic hose 7, right briquetting 8, left briquetting 9, screw cap 10, bleeder vent 11, drain pipe 12, piston dish 13, conical spring 14, polished rod 15, threaded rod 16.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:
the invention provides a peritoneal dialysis connection device for nephrology department, which mainly comprises a first connector and a second connector, wherein the first connector is used for being connected to one side of a container for containing peritoneal dialysis solution, and the second connector is used for being connected to the abdomen of a patient, as shown in figure 1, of course, the first connector and the second connector are mainly used for connecting the peritoneal dialysis solution and the abdomen of the patient, and can be directly connected to corresponding pipelines or devices in practical use. In this embodiment, the stem 2 and the seat cover 1 are respectively provided with a flow channel or a hole through which the peritoneal dialysis solution flows, the stem 2 can relatively rotate in the seat cover 1 and can rotate to the position where the flow channels or the holes of the stem and the seat cover are aligned and communicated, the flow channel or the hole is actually a channel of a pipeline type for the peritoneal dialysis solution to flow in, and the flow channel or the hole can be manufactured into various forms. Runner or hole on stem 2 are connected with a transfer passage 5 and are used for continuing to carry the peritoneal dialysis fluid, and connect a high-elastic hose 7 in transfer passage 5's exit end one side, so-called high-elastic hose 7, this pipeline itself that indicates has fine elasticity, but can resume the original state fast easily by the compression, still have a cavity in the stem 2 of high-elastic hose 7 top, left side lateral wall in the cavity has inlayed the left briquetting 9 of channel-section steel form, its breach sets up towards the right side, left side through a right briquetting 8 of reset spring elastic support in the briquetting 9 of left side, during specific preparation, it can to process the bellying of a rectangle with the left surface bulge of right briquetting 8 protrusion, this rectangle bellying sliding fit installs in the breach, and is supported by reset spring and connects. Meanwhile, the right side of the right pressing block 8 is vertically and slidably connected into the right side wall of the cavity through a sliding block (not shown in the figure) so as to guide the vertical sliding of the right pressing block. The top of the right pressing block 8 is provided with a pressing handle, the pressing handle extends out of the core column 2, so that pressing operation is facilitated, when the left side of the lower end face of the right pressing block 8 is pressed downwards in the left pressing block 9 to the left end of the high-elasticity hose 7 and cannot be compressed, the rest parts of the lower end face of the right pressing block 8 are in contact with the rest pipe sections of the high-elasticity hose 7, so that when the pressing handle is pressed down, the left pressing block 9 firstly presses the left end of the high-elasticity hose 7, when the left end of the high-elasticity hose 7 is pressed to exhaust air completely and is closed, the right pressing block 8 is in contact with the high-elasticity hose 7, and then the high-elasticity hoses 7 except the left end are all flattened and exhausted. In order to increase the deformation recovery of the left end of the high-elasticity hose 7, the left end of the high-elasticity hose 7 is preferably made of a material with elasticity better than that of the rest of the pipe sections. In addition, the second connector 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 screw-thread fit manner, and referring to fig. 2, a plurality of air holes 11 are formed at the inner side wall of the screw cap 10, a circular boss is formed at the center of the screw cap 10, a liquid outlet pipe 12 is coaxially embedded and fixed in 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 installed at the inlet end of the liquid outlet pipe 12 through a conical spring, the piston disc 13 is axially connected with the inlet end of the liquid outlet pipe 12 in a sliding manner and is in movable sealing fit with the inlet end of the liquid outlet pipe 12, and the inner wall of the pipe section of the liquid outlet pipe 12 near the inlet end is also axially provided with a guiding groove in a type of Brilliant, when the piston disc 13 compresses the conical spring 14, piston disc 13 can pass through the inlet end of the drainage channel to allow liquid in outlet pipe 12 to flow from the left side to the right side of piston disc 13.
As a specific implementation detail, a cylindrical concave cavity is arranged in the seat sleeve 1 of the first joint, a liquid inlet pipe 3 communicated with the concave cavity is arranged on the side wall of the concave cavity, an arc-shaped groove is further arranged in the circumferential direction of the inner wall of the concave cavity, and two ends of the arc-shaped groove are respectively provided with a sliding hole penetrating through the seat sleeve 1. The whole core column 2 is suitable to be processed into a smooth cylindrical structure, one end of the core column 2 rotates and cannot be axially moved to be installed in the concave cavity in a matched mode, and the core column 2 is installed in the seat sleeve 1 in a matched mode in a self-rotating mode in situ. During manufacturing, a blind hole 4 can be formed in one side of the cylindrical surface of the core column 2 to serve as the flow channel or the hole, a guide block is convexly arranged on the cylindrical surface of the core column 2, and the guide block is installed in the arc-shaped groove in a sliding fit manner, for example, the path of the arc-shaped groove is semicircular; a lock pin 6 capable of extending out of the surface of the guide block is elastically installed in the guide block, the free end of the lock pin 6 is in extrusion contact with the bottom of the arc groove, namely the lock pin 6 tends to pop out outwards in the core column 2, so that when the core column 2 is rotated in the seat sleeve 1, the free end of the lock pin 6 can extend out of the sliding hole, the blind hole 4 is communicated with the liquid inlet pipe 3 at the moment, and during specific processing, the free end of the lock pin 6 is in a hemispherical structure. The core column 2 is rotated until the blind hole 4 is communicated and aligned with the liquid inlet pipe 3, so that the abdominal dropsy enters the conveying channel 5, and the lock pin 6 is popped out of one of the slide holes of the arc-shaped groove at the moment, so that the relative position between the core column 2 and the seat cover 1 is fixed, and the inside of the conveying channel 5 is always kept in an inflow state of the abdominal dropsy. When all the press blocks are not in contact with the high-elasticity hose 7, the high-elasticity hose 7 expands under the pressure of the peritoneal dialysis solution in the conveying passage 5 to restore the tubular structure, and then the peritoneal dialysis solution is conveyed normally.
In order to facilitate air exhaust, a polish rod 15 is inserted on the wall of the inlet end of the liquid outlet pipe 12 in a sliding fit manner, the bottom end of the polish rod 15 is obliquely and downwards arranged 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 cover 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 time mark which is just propped against the end face of the piston disc 13 at the bottom end of the polish rod 15 is coplanar with the end face of the threaded cover 10. The airing holes 11 are provided in a circular array arrangement on the screw cap 10. Above setting of polished rod 15, it should be noted that, before screwing up screw cap 10, screw rod 16 must be screwed to the end first, make polished rod 15 push up on piston disc 13 terminal surface, like this, when subsequently screwing up screw cap 10, the space between stem 2 and screw cap 10 diminishes gradually, the air in between can not drive piston disc 13 mistake because of striking piston disc 13, make the air only pass bleeder vent 11 and escape, when the boss of screw cap 10 and stem 2 terminal surface are hugged closely, screw cap 10 screws to the target, the air between screw cap 10 and stem 2 at this moment is all discharged, and high-elastic hose 7 and drain pipe 12 align. 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 delivery of the peritoneal dialysis solution, the piston disc 13 can move towards one side of the outlet end of the liquid outlet pipe 12 at the moment, so that the internal channel of the liquid outlet pipe 12 is opened, and the peritoneal dialysis solution is smoothly input into the liquid outlet pipe 12 and then enters the body of a patient.
Based on the above description of the structural principle, the present embodiment shows a specific peritoneal dialysis connection method, in which the aforementioned peritoneal dialysis connection apparatus for nephrology department is used to perform connection, and first, before connection, it is checked whether the pressing handle is in a pressed installation state, it is determined whether the two pressing blocks on the left and right crush the high-elasticity hose 7 to discharge air, and it is checked whether the threaded rod 16 is screwed to the bottom, so that the polished rod 15 can prevent the piston disc 13 from moving toward the outlet side of the liquid outlet tube 12. Secondly, the screw cap 10 is screwed on the core column 2, in the screwing process, air between the core column 2 and the screw cap 10 is discharged through the air holes 11, and finally when the screw cap is screwed in place, the boss is extruded and in sealing contact with the end face of the core column 2, and the high-elasticity hose 7 is coaxially aligned with the liquid outlet pipe 12. Again, the threaded rod 16 is unscrewed, allowing the polished rod 15 to withdraw a distance, unblocking the piston disc 13. Then holding the seat cover 1, rotating the core column 2, communicating the liquid inlet pipe 3 with a flow channel or a hole of the core column 2, enabling the abdominal liquid to enter the core column 2, and enabling the lock pin 6 to pop out of the slide hole under the action of the spring 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 return spring to move, and the extrusion effect on the high-elasticity 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 one end of the outlet 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 of the liquid outlet pipe 12, and finally enters the body of a patient. As implementation details, for the installation state in which the pressing handle is pressed down, the following can be implemented: as shown in fig. 3, the pressure bar can be pressed to be in the installation state by adopting a t-shaped frame and matching with a vertically arranged bolt screwed into the frame, so that the peritoneal dialysis solution channel of the first joint can not be filled with air after the screw cap 10 is screwed off, and the peritoneal dialysis solution can be conveyed and hardly mixed by directly sleeving the screw cap 10 on the next connection according to the operation. It is also possible to operate as follows: for the installation state in which the pressing handle is pressed down, the following can be implemented: will press handle and right briquetting 8 to set up respectively into two independent parts, press the handle to adopt bolt structure, when the fixed briquetting that is in the down-pressure state of needs, only need screw up bolt structure downwards and can realize fixed the extrusion of briquetting, can keep high-elastic hose 7's the state of flattening like this when pressing down the high-elastic hose 7 of closure, realize isolated air.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, 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 or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. Peritoneal dialysis connecting device for nephrology dept, its characterized in that: the abdominal pressure device comprises a first connector used for being connected to one side of the abdominal liquid and a second connector used for being connected to the abdomen of a patient, wherein the first connector comprises a seat sleeve and a core column, a flow channel or a hole for the abdominal liquid to flow through is respectively arranged on the core column and the seat sleeve, the core column can relatively rotate in the seat sleeve and can rotate to the position where the flow channel or the hole of the core column and the flow channel or the hole of the core column are aligned and communicated, the flow channel or the hole on the core column is connected with a conveying channel to continuously convey the abdominal liquid, a high-elasticity hose is connected to one side of the outlet end of the conveying channel, a cavity is arranged above the high-elasticity hose, a channel steel-shaped left pressing block is embedded in the left side wall of the cavity, the left side of a right pressing block is elastically supported in the left pressing block through a reset spring, the right side of the right pressing block is vertically and slidably connected in the right side wall of the cavity through a sliding block, a pressing handle is arranged at the top of the right pressing block and extends out of the core column, when the left side of the lower end surface of the right pressing block is pressed downwards in the left pressing block until the left end of the high-elasticity hose can not be compressed, the rest parts of the lower end surface of the right pressing block start to contact with the rest pipe sections of the high-elasticity hose;
the second connects including the screw cap of bottle lid form, and the screw cap can be screwed with screw-thread fit on the other end of stem, and the screw cap leans on its inside wall department to be equipped with a plurality of bleeder vent, and the central authorities of screw cap have a circular shape boss the central authorities of boss are embedded coaxially and are fixed with the drain pipe, and the entrance point of drain pipe flushes with the terminal surface of boss, and the entrance point department of drain pipe still has a piston dish through a conical spring elastic mounting, and the entrance point axial sliding connection and the movive seal cooperation of piston dish and drain pipe, and is close to the pipe section inner wall of its entrance point department at the drain pipe and still axially offers the drainage groove that is the type one, piston dish compression conical spring in-process, the piston dish can be through the entrance point of this drainage groove and make the interior piston dish left side liquid of drain pipe flow in to the right side.
2. Peritoneal dialysis connection apparatus for nephrology department according to claim 1, characterized in that: 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 spliced on the flow channel or the hole, the inner wall of the concave cavity is also provided with an arc-shaped groove in the circumferential direction, and two ends of the arc-shaped groove are respectively provided with a sliding hole which penetrates through the seat cover; one end of the core column is rotatably and non-movably matched and installed in the concave cavity, a guide block is further convexly arranged on the cylindrical surface of the core column, the guide block is installed in the arc-shaped groove in a sliding fit mode, a lock pin capable of extending out of the surface of the guide block is elastically installed in the guide block, and the free end of the lock pin can be in pressing contact with the groove bottom of the arc-shaped groove.
3. Peritoneal dialysis connection apparatus for nephrology department according to claim 2, characterized in that: still inserted a polished rod on the pipe wall of the entrance point of drain pipe sliding fit ground, this polished rod bottom sets up downwards towards piston dish one side slant, and the coaxial integral type in top of polished rod is connected with the threaded rod, this threaded rod with screw cap threaded connection, and when the threaded rod was twisted to the end, the bottom of polished rod pushed up just on the terminal surface of piston dish.
4. A peritoneal dialysis connection method, characterized by: the peritoneal dialysis connection apparatus for nephrology department as claimed in claim 3 is used for connection, and comprises the following specific operations:
s1, before connection, whether the pressing handle is in a pressed installation state is checked, whether the left pressing block and the right pressing block crush the high-elasticity hose to discharge air is determined, whether the threaded rod is screwed to the bottom is checked, and the smooth rod can prevent the piston disc from moving towards the outlet side of the liquid outlet pipe;
s2, screwing the threaded cap on the core column, discharging air between the core column and the threaded cap through the air holes in the screwing process, and finally, when screwing in place, extruding and hermetically contacting the boss with the end face of the core column, wherein the high-elasticity hose is coaxially aligned with the liquid outlet pipe;
s3, loosening the threaded rod to enable the polish rod to withdraw for a certain distance, and releasing the blocking and limiting effect on the piston disc;
s4, holding the seat cover, rotating the core column, communicating the liquid inlet pipe with the flow channel or the hole of the core column, allowing the abdominal liquid to enter the core column, and allowing the lock pin to pop out of the slide hole under the action of the spring to realize the relative fixation between the core column and the seat cover;
s5, releasing the pressing handle to enable the two pressing blocks to be pushed upwards by the return spring to move, and releasing the extrusion effect on the high-elasticity hose;
s6, the high elastic hose that the peritoneal dialysis liquid flows out promotes the piston dish and removes towards the export one end of drain pipe, until the piston dish removes to expose when the entrance point of drainage groove, the peritoneal dialysis liquid gets into in the drainage inslot and flows out towards the export direction of drain pipe, finally enters into the patient internally.
5. The peritoneal dialysis connection method of claim 4, wherein: for the installation state in which the pressing handle is pressed down, the following can be implemented: the pressure shank can be pressed to be in the mounting state by adopting a T-shaped bracket and matching with a vertically arranged bolt screwed into the bracket.
6. The peritoneal dialysis connection method of claim 4, wherein: for the installation state in which the pressing handle is pressed down, the following can be implemented: the pressing handle and the right pressing block are respectively arranged into two independent parts, the pressing handle adopts a bolt structure, and when the pressing block in a pressing state needs to be fixed, the pressing block can be extruded and fixed only by screwing down the bolt structure.
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 |
Publications (2)
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| CN114146240B (en) | 2023-12-12 |
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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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