CN109200369B - Peritoneal dialysis device - Google Patents
Peritoneal dialysis device Download PDFInfo
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- CN109200369B CN109200369B CN201811320699.4A CN201811320699A CN109200369B CN 109200369 B CN109200369 B CN 109200369B CN 201811320699 A CN201811320699 A CN 201811320699A CN 109200369 B CN109200369 B CN 109200369B
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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
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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
- A61M1/285—Catheters therefor
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Abstract
The invention belongs to the field of medical instruments, and particularly relates to a peritoneal dialysis device which comprises a tube body and a restorer, wherein the tube body comprises an abdominal internal section, a subcutaneous section and a skin external section which are sequentially connected; an inner cuff is fixedly connected to one end of the subcutaneous section close to the abdomen inner section, an outer cuff corresponding to the inner cuff is sleeved on the subcutaneous section, and scale marks corresponding to the outer cuff are arranged on the outer wall of the subcutaneous section; one end of the abdomen inner section, which is far away from the hypodermis section, is connected with an adjusting head, and through holes are formed in the abdomen inner section and the adjusting head; a balance weight chamber is connected in the adjusting head in a sliding manner, a reset plate is arranged on the inner wall of the adjusting head, a traction plate corresponding to the reset plate is arranged on the balance weight chamber, and a reset spring connected with the traction plate is arranged on the reset plate; an opening is formed in one end, close to the abdominal inner section, of the counterweight chamber, a rubber plug is arranged on the opening, a semipermeable membrane is arranged on the inner wall of the counterweight chamber, and exchange holes corresponding to the semipermeable membrane are formed in the side wall of the counterweight chamber; the invention effectively solves the problems that the subcutaneous section is easy to cause infection and a peritoneal dialysis device is easy to float.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a peritoneal dialysis device.
Background
Peritoneal dialysis (peritioneal dialysis) is performed by using the peritoneum as a semi-permeable membrane and infusing a prepared dialysate into the Peritoneal cavity of a patient through a catheter by using the gravity effect, so that concentration gradient difference of solutes exists on two sides of the peritoneum, and the solute on the high-concentration side moves to the low-concentration side (diffusion effect); the water moves from the hypotonic side to the hypertonic side (osmosis). The peritoneal dialysis solution is continuously replaced to achieve the purposes of removing in vivo metabolites and toxic substances and correcting water and electrolyte balance disorder.
In the existing peritoneal dialysis catheter used in medical treatment, because the distance between two cuff is fixed, but the physique of each person is different, if the subcutaneous section is too long or the outer cuff is too close to the skin opening, the subcutaneous section is easy to be infected, and the function of fixing the peritoneal dialysis built-in catheter is lost; due to different conditions of patients, the peritoneal dialysis built-in tube in the body of the patient is easy to drift to cause unsmooth drainage, and the dialysis treatment of the patient is influenced.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the peritoneal dialysis device, which effectively solves the problems that the subcutaneous section is easy to cause infection and the peritoneal dialysis indwelling catheter is easy to float.
In order to achieve the purpose, the invention adopts the following technical scheme: a peritoneal dialysis device comprises a tube body and a restorer, wherein the tube body comprises an abdominal section, a subcutaneous section and an extradermal section which are sequentially connected; an inner cuff is fixedly connected to one end of the subcutaneous section close to the abdomen inner section, an outer cuff corresponding to the inner cuff is sleeved on the subcutaneous section, and scale marks corresponding to the outer cuff are arranged on the outer wall of the subcutaneous section; the outer clamp comprises a locking nut and an extrusion nut in threaded connection with the locking nut, the locking nut is provided with an elastic locking part matched with the outer wall of the subcutaneous section, and the extrusion nut is provided with an extrusion block matched with the elastic locking part; one end of the abdomen inner section, which is far away from the hypodermis section, is connected with an adjusting head, and through holes are formed in the abdomen inner section and the adjusting head; the balance weight chamber is connected in the adjusting head in a sliding mode, the inner wall of the adjusting head is provided with a reset plate, the balance weight chamber is provided with a traction plate corresponding to the reset plate, and the reset plate is provided with a reset spring connected with the traction plate; an opening is formed in one end, close to the abdominal inner section, of the counterweight chamber, a rubber plug is arranged on the opening, a semipermeable membrane is arranged on the inner wall of the counterweight chamber, and exchange holes corresponding to the semipermeable membrane are formed in the side wall of the counterweight chamber; one end of the counterweight chamber, which is far away from the abdomen inner section, is connected with a spherical head, and the diameter of the spherical head is the same as that of the adjusting head; the restorer is correspondingly connected with the adjusting head on the pipe body. .
Compared with the prior art, the invention has the following beneficial effects:
when the peritoneal dialysis catheter is used, medical staff can better fix the peritoneal dialysis catheter under the skin of a patient by adjusting the distance between the outer cuff and the inner cuff according to different physiques of each person, so that the condition that the outer cuff is easily exposed outside the body of the patient to cause hypodermic infection is effectively prevented, the recovery effect of the patient is improved, and the adaptability of the peritoneal dialysis catheter is improved; after the tube placement is finished, the adjusting head is arranged to improve the weight of the tail end of the abdominal internal section, so that the peritoneal dialysis built-in tube is prevented from floating and affecting the recovery of a patient; when the peritoneal dialysis inner catheter floats, the restorer is used for injecting low-concentration physiological saline into the balance weight chamber, so that the weight of the adjusting head is increased, the peritoneal dialysis inner catheter is reset due to gravity, after the peritoneal dialysis inner catheter is reset, water in the semi-permeable membrane is transferred to the abdomen due to the action of the semi-permeable membrane, the weight of the adjusting head is restored to be the same as the original state, the load of the peritoneal dialysis inner catheter is reduced, and the recovery effect of a patient is improved.
When the peritoneal dialysis built-in tube floats, the spring hose is used for penetrating into the peritoneal dialysis built-in tube, the push block is pushed to enable the injection tube to slide along the spring hose, the injection needle penetrates through the rubber plug, the injector is connected with the connecting tube, and the connecting tube is used for injecting physiological saline into the counterweight chamber along the injection tube, so that the weight of the counterweight chamber is improved, and the adjusting head moves downwards to reset due to gravity; when big nethike embrane parcel blocks up, use the spring hose to wear into the peritoneal dialysis built-in, continue to promote the spring hose and apply the effort to the counter weight room, the counter weight room slides along adjusting the head inner wall, promotes spherical head and acts on big nethike embrane, makes big nethike embrane and the separation of peritoneal dialysis built-in, and after the mediation of peritoneal dialysis built-in, spherical head and counter weight room reset through reset spring to avoid big nethike embrane parcel.
Use conveyor to carry spring hose into the peritoneal dialysis built-in pipe, prevent that the user from at manual poling in-process, lead to the peritoneal dialysis built-in pipe to take place to involve and cause the discomfort to the patient because of exerting oneself unstably, improve user's convenient the going of operation, improve patient's recovery effect.
Drawings
FIG. 1 is a schematic view of a peritoneal dialysis catheter of the present invention;
FIG. 2 is a schematic view of an adjustment head according to the present invention;
FIG. 3 is a schematic structural view of an outer cuff of the present invention;
FIG. 4 is a schematic view of the spring hose of the present invention;
FIG. 5 is a cross-sectional view of FIG. 4A-A of the present invention;
FIG. 6 is a schematic view of the structure of the conveying device of the present invention;
FIG. 7 is a schematic structural view of a lower conveying structure according to the present invention;
FIG. 8 is a top view of the lower conveying structure of the present invention;
FIG. 9 is a rear view of the lower conveying structure of the present invention;
FIG. 10 is a schematic view of the structure of the guide structure of the present invention;
FIG. 11 is a top view of a guide structure according to the present invention;
FIG. 12 is a schematic view of the structure of the infusion set according to the present invention;
FIG. 13 is a front view of the infusion structure of the present invention;
FIG. 14 is a top view of the infusion structure of the present invention;
FIG. 15 is a front view of the fixing structure of the present invention;
FIG. 16 is a cross-sectional view of FIG. 15B-B of the present invention;
FIG. 17 is a top view of the cover plate of the present invention;
FIG. 18 is a bottom view of the cover plate of the present invention;
FIG. 19 is a schematic structural view of an upper conveying structure in the present invention;
FIG. 20 is a schematic view of the interior of the upper transport structure of the present invention;
FIG. 21 is a top view of the interior of the upper transport structure of the present invention;
FIG. 22 is a left side view of the interior of the upper transport structure of the present invention;
FIG. 23 is a bottom plan view of the interior of the upper transport structure of the present invention;
in the figure: 1. a peritoneal dialysis inner catheter 101, an abdominal inner section 102, an adjusting head 103, a subcutaneous section 104, an inner cuff 105, an outer cuff 106, a skin outer section 107, a scale mark 108, a rubber plug 109, a semipermeable membrane 110, a reset plate 111, a reset spring 112, a traction plate 113, a spherical head 114, a locking nut 115, a pressing nut 116, an elastic locking 117, a pressing block 118 and a counterweight chamber; 2. the device comprises a spring hose, 201, a connector 202, a connecting pipe, 203, a push block, 204, an injection needle, 205 and a connector chute; 3. a conveying device, 301, a movable plate, 302, a fixture block, 303, a dialysis tube fixing barrel, 304, a liquid level meter, 305, a support leg, 306, a cover plate, 307, an injection bottle, 308, a reversing valve, 309, a gear pump, 310, an oil tank, 311, a hydraulic cylinder, 312, a reversing handle, 313, a slide block, 314, a rotating shaft, 315, a rotating handle, 316, a conveying lower wheel, 317, a waste liquid chamber, 318, a base, 319, a slideway, 320, a sliding seat, 321, a pricking needle screw rod, 322, a support plate, 323, an injector, 324, a nut pressing sleeve, 325, an injection screw rod, 326, an injection handle, 327, a guide column upper chute, 328, a sliding groove, 329, a normally open handle, 330, a normally closed handle, 331, a movable position plate, 332, an injection pipeline, 333, a liquid drainage pipeline, 334, a liquid feeding pipeline, 335, a sliding chute, 336, a conveying barrel guide plate, 337, a liquid feeding pipeline, 338, a support seat, 339, 341. the device comprises guide columns 342, guide rails 343, a top spring 344, a connecting hole 345, a cover plate sliding groove 346, a rotating nut 347, a fixing nut 348, a squeezing ring 349, a sloping block 350, a guide plate 351, a display column 352, a lifting handle 353, a sliding plate 354, an adjusting chamber 355, a lifting plate 356, a supporting column 357, a lifting screw rod 358, a guide cylinder 359, a fixing cylinder 360, a conveying cylinder 361, an upper wheel guide plate 362, a conveying cylinder adjusting knob 363, an upper wheel adjusting knob 364, a guide block 365, a placing groove 366, a sleeve 367 and a conveying upper wheel.
Detailed Description
A peritoneal dialysis device, as shown in fig. 1-3, comprising a tube body and a restorer, wherein the tube body comprises an intra-abdominal section 101, a subcutaneous section 103 and an extradermal section 106 which are connected in sequence; an inner cuff 104 is fixedly connected to one end of the subcutaneous section 103 close to the abdomen inner section 101, an outer cuff 105 corresponding to the inner cuff 104 is sleeved on the subcutaneous section 103, and scale marks 107 corresponding to the outer cuff 105 are arranged on the outer wall of the subcutaneous section 103; the outer cuff 105 comprises a locking nut 114 and an extrusion nut 115 screwed with the locking nut 114, the locking nut 114 is provided with an elastic locking piece 116 matched with the outer wall of the subcutaneous section 103, and the extrusion nut 115 is provided with an extrusion block 117 matched with the elastic locking piece 116; one end of the intra-abdominal section 101, which is far away from the subcutaneous section 103, is connected with an adjusting head 102, and through holes are formed in the intra-abdominal section 101 and the adjusting head 102; a counterweight chamber 118 is slidably connected in the adjusting head 102, a reset plate 110 is arranged on the inner wall of the adjusting head 102, a traction plate 112 corresponding to the reset plate 110 is arranged on the counterweight chamber 118, and a reset spring 111 connected with the traction plate 112 is arranged on the reset plate 110; an opening is formed in one end, close to the abdominal inner section 101, of the counterweight chamber 118, a rubber plug 108 is arranged on the opening, a semipermeable membrane 109 is arranged on the inner wall of the counterweight chamber 118, and an exchange hole corresponding to the semipermeable membrane 109 is formed in the side wall of the counterweight chamber 118; one end of the counterweight chamber 118 far away from the abdomen inner section 101 is connected with a spherical head 113, and the diameter of the spherical head 113 is the same as that of the adjusting head 102; the restorer is correspondingly connected with the adjusting head 102 on the pipe body.
When the peritoneal dialysis catheter is used, medical staff can adjust the distance between the outer cuff 105 and the inner cuff 104 according to different physiques of each person, so that the peritoneal dialysis catheter 1 can be better fixed under the skin of a patient, the recovery effect of the patient is improved, and the adaptability of the peritoneal dialysis catheter is improved; when the medical device is used specifically, the extrusion nut 115 is rotated to enable the outer cuff 105 to freely slide on the subcutaneous segment 103, medical staff adjusts the distance between the inner cuff 104 and the outer cuff 105 according to the specific condition of a patient, the distance is accurately observed through the scale mark 107, after the outer cuff 105 is adjusted to a certain scale, the extrusion nut 115 is rotated, the extrusion nut 115 and the locking nut 114 rotate relatively, the extrusion block 117 of the extrusion nut 115 extrudes the elastic lock 116 of the locking nut 114, the elastic lock 116 extrudes the subcutaneous segment 103, the friction force between the outer cuff 105 and the subcutaneous segment 103 is increased, and the outer cuff 105 is fixed on the subcutaneous segment 103.
After the tube placement is finished, the adjusting head 102 is arranged to improve the weight of the tail end of the abdominal internal section 101, so that the peritoneal dialysis built-in tube 1 is prevented from floating and affecting the recovery of a patient; when the peritoneal dialysis built-in tube 1 floats, a restorer is used for injecting low-concentration normal saline into the counterweight chamber 118, so that the weight of the adjusting head 102 is increased, the peritoneal dialysis built-in tube 1 is restored due to gravity, after the peritoneal dialysis built-in tube 1 is restored, water in the semipermeable membrane 109 is transferred into the abdomen due to the action of the semipermeable membrane 109, the weight of the adjusting head 102 is restored to be the same as the original state, the load of the peritoneal dialysis built-in tube 1 is reduced, and the recovery effect of a patient is improved; when the peritoneal dialysis built-in tube 1 is wrapped by the peritoneum to cause the blockage of the peritoneal dialysis built-in tube 1, the restorer is used for pushing the counterweight chamber 118, the counterweight chamber 118 slides along the inner wall of the adjusting head 102, the spherical head 113 is pushed to act on the peritoneum, so that the peritoneum is separated from the peritoneal dialysis built-in tube 1, and after the peritoneal dialysis built-in tube 1 is dredged, the spherical head 113 and the counterweight chamber 118 are restored through the restoring spring 111.
The length of the inner cuff 104 is 1.8-2.2cm, the length of the outer cuff 105 is 1cm, and the thickness of the inner cuff 104 and the outer cuff 105 is 0.1-0.2 cm. The length of the inner cuff 104 is increased, the inner abdomen section 101 is prevented from being bent to influence dialysis of a patient, and the dialysis effect of the patient is improved.
The restorer comprises a conveying device 3, a spring hose 2 which can go deep into the pipe body is arranged in the conveying device 3, as shown in fig. 4 and 5, one end of the spring hose 2 is connected with a connector 201; an injection tube is slidably connected with the spring hose 2 and the connector 201, one end of the injection tube, which is far away from the connector 201, is connected with an injection needle 204 corresponding to the rubber plug 108, and the other end of the injection tube is connected with a push block 203; the injection tube is connected with a connecting tube 202, and the connecting head 201 is provided with a connecting head chute 205 corresponding to the connecting tube 202.
When the peritoneal dialysis built-in tube 1 floats, the spring hose 2 is used for penetrating into the peritoneal dialysis built-in tube 1, the push block 203 is pushed to enable the injection tube to slide along the spring hose 2, the injection needle 204 penetrates through the rubber plug 108, the injector 323 is used for connecting the connecting tube 202, the connecting tube 202 is used for injecting physiological saline into the counterweight chamber 118 along the injection tube, the weight of the counterweight chamber 118 is improved, and the adjusting head 102 moves downwards due to gravity to reset; when the large omentum is wrapped and blocked, the spring hose 2 penetrates into the peritoneal dialysis catheter 1, the spring hose 2 is continuously pushed to apply acting force to the counterweight chamber 118, the counterweight chamber 118 slides along the inner wall of the adjusting head 102, the spherical head 113 is pushed to act on the peritoneum, the large omentum is separated from the peritoneal dialysis catheter 1, and after the peritoneal dialysis catheter 1 is dredged, the spherical head 113 and the counterweight chamber 118 are reset through the reset spring 111.
As shown in fig. 6-23, the conveying device 3 includes a conveying chamber, the bottom surface of the conveying chamber is provided with a support leg 305, a lower conveying structure is arranged in the conveying chamber, the top of the conveying chamber is provided with an opening, an upper conveying structure matched with the lower conveying structure is arranged in the opening, and the top of the conveying chamber is rotatably connected with a clamping block 302 matched with the upper conveying structure; lower conveying structure includes the fixed knot who matches with the external section of body and constructs, goes up the conveying structure middle part and is equipped with the guide structure corresponding with spring hose 2, and one side that fixed knot constructs is kept away from to the guide structure is equipped with the injection structure corresponding with the injection syringe, is equipped with between fixed knot constructs and the guide structure with injection structure and guide structure matched with transmission structure.
When the conveying device 3 is used, a user firstly places the spring hose 2 in the guide structure, so that the connecting pipe 202 of the spring hose 2 is connected with the injection structure; the user fixes the external section of the tube body on the fixing structure, so that the discomfort of the patient caused by the dragging of the spring hose 2 on the peritoneal dialysis built-in tube 1 in the process of penetrating the spring hose 2 into the peritoneal dialysis built-in tube 1 is prevented, and the recovery effect of the patient is improved; after the tube body is fixed, the transmission structure is used for driving the injection structure and the guide structure to move; use conveyor 3 to carry into peritoneal dialysis inner catheter 1 with spring hose 2 in, prevent that the user from leading to peritoneal dialysis inner catheter 1 to take place to involve and cause the discomfort to the patient because of exerting oneself unstably at manual poling in-process, improve the convenient line of operation of user, improve patient's recovery effect.
As shown in fig. 19 to 23, the upper conveying structure includes a movable plate 301 fitted to the opening of the conveying chamber, and guide plates 350 are provided at both sides; a lifting plate 355 is arranged between the guide plates 350, a lifting screw 357 is screwed on the movable plate 301, one end of the lifting screw 357, which is far away from the lifting plate 355, is connected with a lifting handle 352, the lifting screw 357 is rotatably connected with the lifting plate 355, and a support column 356 matched with the lifting plate 355 is arranged on the movable plate 301; a sleeve lower sliding groove is formed in the lifting plate 355, a sleeve 366 is connected in the sleeve lower sliding groove in a sliding mode, a sleeve upper sliding groove matched with the sleeve 366 is formed in the movable plate 301, and a containing groove 365 matched with the spring hose 2 is formed in one surface, close to the cover plate 306, of the lifting plate 355; one end of the sleeve 366 far away from the cover plate 306 is connected with a display column 351, and a display column sliding groove matched with the display column 351 is arranged on the movable plate 301.
When the upper conveying structure is used, a user uses the lifting handle 352 to pull the upper conveying structure out upwards along the opening of the conveying chamber, the user installs the spring hose 2 into the placing groove 365, after the installation of the spring hose 2 is completed, the user installs the upper conveying structure into the opening of the conveying chamber, the lifting handle 352 is rotated to drive the lifting plate 355 to ascend along the supporting column 356, and the lifting plate 355 is separated from the spring hose 2; the spring hose 2 is installed in the conveying structure by using the upper conveying structure, so that the installation convenience of the spring hose 2 is improved, and the operability of the conveying device 3 is improved.
One end of the movable plate 301, which is far away from the fixed structure, is slidably connected with a guide cylinder 358, a connecting column is slidably connected in the guide cylinder 358, a fixed cylinder 359 matched with the connector 201 is connected to the connecting column, an opening corresponding to the sliding groove 335 is arranged on the fixed cylinder 359, and a fixing screw matched with the connector 201 is arranged on the fixed cylinder 359; the end part of the movable plate 301, far away from the guide cylinder 358, is connected with an upper wheel guide plate 361, the upper wheel guide plate 361 is connected with an upper wheel base in a sliding manner, and the upper wheel base is connected with a conveying upper wheel 367 in a rotating manner; an adjusting chamber 354 is arranged on the movable plate 301, a sliding plate 353 matched with the adjusting chamber 354 is connected to the movable plate 301 in a sliding mode, an upper wheel adjusting screw rod is connected in the adjusting chamber 354 in a rotating mode, the upper wheel adjusting screw rod is in threaded connection with an upper wheel base, and an upper wheel adjusting knob 363 connected with the upper wheel adjusting screw rod is arranged in the adjusting chamber 354; a conveying cylinder guide plate 336 is arranged on one side, away from the guide cylinder 358, of the upper wheel guide plate 361, a conveying cylinder base is connected between the conveying cylinder guide plates 336 in a sliding mode, a conveying cylinder 360 corresponding to the spring hose 2 is connected onto the conveying cylinder base, the axes of the conveying cylinder 360 and the dialysis tube fixing cylinder 303 are on the same straight line, a waste liquid chamber 317 is arranged on the conveying chamber, the waste liquid chamber 317 is arranged below the conveying cylinder, a liquid level meter 304 is arranged on the waste liquid chamber 317, and an opening corresponding to the liquid level meter 304 is formed in the conveying chamber; the adjusting chamber 354 is rotatably connected with a conveying cylinder 360 adjusting screw rod, the conveying cylinder 360 adjusting screw rod is in threaded connection with a conveying cylinder base, and a conveying cylinder adjusting knob 362 connected with the conveying cylinder 360 adjusting screw rod is arranged in the adjusting chamber 354.
After the flexible hose 2 is placed in the placement groove 365, the user mounts the connector 201 of the flexible hose 2 into the fixing cylinder 359, fixes the connector 201 with the fixing screw, and mounts the other end of the flexible hose 2 into the delivery cylinder 360; the heights of the conveying cylinder 360 and the conveying upper wheel 367 can be adjusted according to specific conditions during the use process; the convenience of the operation of the present invention is improved,
as shown in fig. 10-11, the guiding structure includes a supporting base 338 disposed on the bottom surface of the conveying chamber, and a pair of guiding post lower sliding grooves corresponding to the sleeve lower sliding grooves are disposed on the supporting base 338 and arranged in parallel; guide rails 342 are arranged in the two guide post lower sliding grooves, the guide rails 342 are connected with connecting rods 339 in a sliding manner, and the guide rails 342 are provided with top springs 343 matched with the connecting rods 339; the two connecting rods 339 are both connected with a traction rod 340 parallel to the guide post lower sliding groove, the traction rod 340 is positioned between the two connecting rods 339, and the lengths of the traction rods 340 are equal; the traction rod 340 is connected with a guide post 341 corresponding to the spring hose 2, and the guide post 341 is arranged in the sleeve 366 in a penetrating way; the supporting seat 338 is provided with a cover plate 306, and the cover plate 306 is provided with a connecting hole 344 corresponding to the supporting seat 338; the cover 306 is provided with guide post upper slide grooves 327 corresponding to the guide posts 341, and one side of the cover 306 close to the support base 338 is provided with slide grooves 328 corresponding to the connecting rods 339.
When the guide structure is used, the spring hose 2 is arranged between the guide posts 341 through the upper conveying structure, the spring hose 2 is in an S-shaped structure after being installed under the action of the guide posts 341 and the sleeves 366, the guide posts 341 and the sleeves 366 are driven to move left and right by the connecting rods 339 through the traction rods 340 along the guide rails 342, the spring hose 2 moves along the guide posts 341 and the sleeves 366, the cover plate 306 is used for preventing the spring hose 2 from interfering with the connecting rods 339 and the traction rods 340 in the using process, the service life of the guide structure is influenced, and the service life of the conveying device 3 is prolonged.
As shown in fig. 12-14, the injection structure includes a base 318 slidably connected to the bottom surface of the conveying chamber, a sliding groove 335 and a sliding channel 319 which are matched with each other are provided between the bottom surface of the conveying chamber and the base 318, a cover plate sliding groove 345 corresponding to the base 318 is provided on the cover plate 306, a base sliding channel matched with the cover plate sliding groove 345 is provided on the base 318, a guide block 364 matched with the guide cylinder 358 is provided on the base 318, and a locking groove matched with the guide cylinder 358 is provided on the guide block 364; a sliding seat 320 is connected on the base 318 in a sliding way, a supporting plate 322 corresponding to the sliding seat 320 is arranged on the base 318, a needle inserting lead screw 321 corresponding to the sliding seat 320 is arranged on the supporting plate 322, and the needle inserting lead screw 321 is connected with the conveying chamber in a sliding way; the sliding seat 320 is provided with an injector 323, the injector 323 comprises an injector output end and an injector pushing end, one side of the injector 323 is provided with an injection bottle 307, and the injection bottle 307 is arranged on the sliding seat 320; the output end of the injector is connected with an injection pipeline 332, one end of the injection pipeline 332, which is far away from the output end of the injector 323, is connected with a connecting pipe 202 on the injection pipe, an injection check valve and a normally open valve are arranged on the injection pipeline 332, the normally open valve is arranged between the check valve and the output end of the injector, and a normally open handle 329 is arranged on the normally open valve; a liquid inlet pipeline 337 connected with the injector 323 is arranged on the injection bottle 307, a liquid inlet one-way valve is arranged on the liquid inlet pipeline 337, a liquid discharge pipeline 333 connected with the injection bottle 307 is arranged on the injector 323, a normally closed valve is arranged on the liquid discharge pipeline 333, a normally closed handle 330 is arranged on the normally closed valve, and the liquid inlet pipeline 337 and the liquid discharge pipeline 333 are both arranged close to the output end of the injector; a liquid feeding pipeline 334 is arranged on the injection bottle 307, a liquid feeding cap is arranged on the liquid feeding pipeline 334, and an injection bottle chute matched with the normally closed handle 330, the normally open handle 329 and the liquid feeding pipeline 334 is arranged on the movable plate 301.
The injection base is arranged on the base 318 and is arranged on one side of the sliding seat 320 close to the pushing end of the injector, a positioning plate is arranged at one end of the injection base far away from the sliding seat 320, an injection screw 325 is arranged on the positioning plate, a nut pressing sleeve 324 is screwed on the injection screw 325, an injection handle 326 is arranged at one end of the injection screw 325 far away from the nut pressing sleeve 324, a moving plate 331 connected with the injection base in a sliding manner is connected onto the nut pressing sleeve 324, and a moving plate sliding groove connected with the pushing end of the injector is arranged on the moving plate 331.
In the use process of the injection structure, the base 318 slides along the bottom surface of the conveying chamber through the chute 335 and the slideway 319, meanwhile, the guide block 364 drives the guide cylinder 358 to slide, and the needle screw 321 slides along the conveying chamber; after the base 318 finishes sliding, the needle inserting lead screw 321 is rotated to enable the sliding seat 320 to slide along the base 318, the sliding seat 320 pushes the push block 203 to enable the infusion tube to slide along the spring hose 2, and the injection needle 204 is inserted into the rubber plug 108; the injection handle 326 is rotated, the injection screw 325 and the nut pressing sleeve 324 rotate relatively, the position plate 331 is made to slide along the position plate sliding groove to pull the pushing end of the injector, so that the injection in the injection bottle 307 flows into the injector 323 through the one-way valve on the liquid inlet pipeline 337, the pushing end of the injector is pushed again, the injection flows into the counterweight chamber 118 through the normally open valve, the one-way valve, the connecting pipe 202 and the infusion pipe on the injection pipeline 332, the weight of the counterweight chamber 118 is increased, and the adjusting head 102 is reset.
As shown in fig. 15-16, the fixing structure includes a dialysis tube fixing cylinder 303, the skin outer section 106 of the tube body is sleeved on the dialysis tube fixing cylinder 303, a fixing nut 347 is disposed on the dialysis tube fixing cylinder 303, a rotating nut 346 is screwed on the fixing nut 347, an extrusion ring 348 matched with the skin outer section 106 is disposed on the fixing nut 347, and an inclined block 349 matched with the extrusion ring 348 is disposed on the rotating nut 346.
Fixed knot constructs when using, the user locates between the extrusion circle 348 of dialysis tube solid fixed cylinder 303 with outer section of skin 106 cover, rotation nut 346 makes the sloping block 349 that rotates nut 346 extrude the extrusion circle 348 of fixation nut 347, make extrusion circle 348 extrude outer section of skin 106, make the body fix on dialysis tube solid fixed cylinder 303, prevent at the in-process that penetrates spring hose 2, spring hose 2 takes place to involve with the body and causes the discomfort to the patient, improve patient's recovery effect.
As shown in fig. 7-9, the transmission structure includes a rotating shaft 314, and a rotating handle 315 is disposed at one end of the rotating shaft 314; a pair of sliding blocks 313 connected with the connecting rods 339 are screwed on the rotating shaft 314, external threads corresponding to the sliding blocks 313 are arranged on the rotating shaft 314, and threads of the external threads are opposite; a pair of gear pumps 309 are sleeved on the rotating shaft 314, the gear pumps 309 are bidirectional gear pumps 309, and the gear pumps 309 are positioned on two sides of the sliding block 313; the gear pump 309 is connected with a reversing valve 308 through a pipeline, a reversing handle 312 is arranged on the reversing valve 308, the reversing valve 308 is connected with a hydraulic cylinder 311 through a pipeline, and the output end of the hydraulic cylinder 311 is connected with a base 318; an oil tank 310 is arranged on the bottom surface of the conveying chamber, and the reversing valve 308 and the gear pump 309 are connected with the oil tank 310; the middle part of the rotating shaft 314 is provided with a lower conveying wheel 316 matched with the upper conveying wheel 367.
In the using process of the conveying device 3, the transmission structure is used for driving the guide structure and the injection mechanism to move; the rotating handle 315 is rotated to drive the rotating shaft 314 to rotate, the rotating shaft 314 rotates to drive the two sliding blocks 313 to move left and right along the rotating shaft 314, and the two sliding blocks 313 move in opposite directions because the threads of the rotating shaft 314 and the two sliding blocks 313 are opposite; the slide block 313 moves to drive the connecting rod 339 on the guide structure to slide left and right, so that the spring hose 2 gradually moves to a vertical state; the rotary shaft 314 is rotated to drive the gear pump 309 to work, the gear pump 309 supplies power to the hydraulic cylinder 311 along the steering valve through the oil tank 310, the base 318 slides along the bottom surface of the conveying chamber, and the reversing valve 308 is used for enabling the hydraulic cylinder 311 to supply power in the reciprocating process of the base 318; the rotating shaft 314 rotates to drive the lower conveying wheel 316 to rotate, the lower conveying wheel 316 is matched with the upper conveying wheel 367 to pull the spring hose 2, and the spring hose 2 is driven to extend into the peritoneal dialysis catheter indwelling catheter 1 through the dialysis catheter fixing barrel 303.
The working process of the invention is as follows:
when the operation is started, a user firstly judges whether the peritoneal dialysis catheter 1 of the patient floats or is wrapped by the peritoneum; the user pulls out the upper conveying structure upwards along the conveying chamber opening by using the lifting handle 352, installs the flexible spring tube 2 into the placing groove 365, installs the connecting head 201 of the flexible spring tube 2 into the fixed cylinder 359, fixes the connecting head 201 by using a fixing screw, and installs the other end of the flexible spring tube 2 into the conveying cylinder 360; after the spring hose 2 is installed, a user installs the upper conveying structure into the opening of the conveying chamber, and rotates the fixture block 302 to fix the upper conveying structure; meanwhile, the injection pipe 332 of the injector 323 is connected with the connecting pipe 202, the upper conveying wheel 367 is connected with the lower conveying wheel 316, and the sleeve 366 is sleeved on the guide column 341; rotating the lifting handle 352 to drive the lifting plate 355 to ascend along the support column 356, so that the lifting plate 355 is separated from the spring hose 2; the user fixes the sheath outer section 106 between the squeezing rings 348 of the dialysis tube fixing cylinder 303, rotates the nut 346, and pushes the squeezing ring 348 of the fixing nut 347 by the inclined block 349 of the rotating nut 346, so that the tube body is fixed on the dialysis tube fixing cylinder 303 by the squeezing ring 348 squeezing the sheath outer section 106.
The user rotates the rotating handle 315 to drive the rotating shaft 314 to rotate, the rotating shaft 314 rotates to drive the two sliding blocks 313 to move left and right along the rotating shaft 314, and the two sliding blocks 313 move in opposite directions because the threads of the rotating shaft 314 and the two sliding blocks 313 are opposite; the slide block 313 moves to drive the connecting rod 339 on the guide structure to slide left and right, the connecting rod 339 drives the guide post 341 and the sleeve 366 to move left and right through the traction rod 340 along the guide rail 342, so that the flexible hose 2 moves along the guide post 341 and the sleeve 366, and the flexible hose 2 gradually moves to a vertical state; meanwhile, the rotating shaft 314 is rotated to drive the gear pump 309 to work, the gear pump 309 supplies power to the hydraulic cylinder 311 through the oil tank 310 along the steering valve, so that the base 318 slides along the bottom surface of the conveying chamber, and the hydraulic cylinder 311 can supply power in the reciprocating process of the base 318 by using the reversing valve 308; the base 318 slides along the bottom surface of the conveying chamber through the sliding groove 335 and the slideway 319, meanwhile, the guide block 364 drives the guide cylinder 358 to slide, and the needle inserting screw 321 slides along the conveying chamber; the rotating shaft 314 rotates to drive the lower conveying wheel 316 to rotate, the lower conveying wheel 316 is matched with the upper conveying wheel 367 to pull the spring hose 2, and the spring hose 2 is driven to extend into the peritoneal dialysis catheter indwelling catheter 1 through the dialysis catheter fixing barrel 303.
If the tube floats, after the spring hose 2 is installed, the pricking lead screw 321 is rotated to enable the sliding seat 320 to slide along the base 318, and the sliding seat 320 pushes the push block 203 to enable the infusion tube to slide along the spring hose 2, so that the injection needle 204 pricks the rubber plug 108; the injection handle 326 is rotated, the injection screw 325 and the nut pressing sleeve 324 rotate relatively, the position plate 331 is made to slide along the position plate sliding groove to pull the pushing end of the injector, so that the injection in the injection bottle 307 flows into the injector 323 through the one-way valve on the liquid inlet pipeline 337, the pushing end of the injector is pushed again, the injection flows into the counterweight chamber 118 through the normally open valve, the one-way valve, the connecting pipe 202 and the infusion pipe on the injection pipeline 332, the weight of the counterweight chamber 118 is increased, and the adjusting head 102 is reset.
If the peritoneal dialysis catheter 1 is wrapped by the omentum majus, the user continues to rotate the rotating handle 315, so that the spring hose 2 pushes the counterweight chamber 118, the counterweight chamber 118 slides along the inner wall of the adjusting head 102, the spherical head 113 is pushed to act on the omentum majus, the omentum majus is separated from the peritoneal dialysis catheter 1, and after the peritoneal dialysis catheter 1 is dredged, the spherical head 113 and the counterweight chamber 118 are reset through the reset spring 111.
Claims (10)
1. A peritoneal dialysis device, characterized by: comprises a tube body and a restorer, wherein the tube body comprises an abdominal internal section (101), a subcutaneous section (103) and a skin external section (106) which are sequentially connected; an inner cuff (104) is fixedly connected to one end, close to the abdomen inner section (101), of the hypodermis (103), an outer cuff (105) corresponding to the inner cuff (104) is sleeved on the hypodermis (103), and scale marks (107) corresponding to the outer cuff (105) are arranged on the outer wall of the hypodermis (103); the outer clamp (105) comprises a locking nut (114) and an extrusion nut (115) in threaded connection with the locking nut (114), an elastic locking piece (116) matched with the outer wall of the lower leather section (103) is arranged on the locking nut (114), and an extrusion block (117) matched with the elastic locking piece (116) is arranged on the extrusion nut (115); one end of the abdomen inner section (101) far away from the subcutaneous section (103) is connected with an adjusting head (102), and through holes are formed in the abdomen inner section (101) and the adjusting head (102); the adjusting head (102) is connected with a balance weight chamber (118) in a sliding mode, the inner wall of the adjusting head (102) is provided with a reset plate (110), the balance weight chamber (118) is provided with a traction plate (112) corresponding to the reset plate (110), and the reset plate (110) is provided with a reset spring (111) connected with the traction plate (112); an opening is formed in one end, close to the abdomen inner section (101), of the counterweight chamber (118), a rubber plug (108) is arranged on the opening, a semipermeable membrane (109) is arranged on the inner wall of the counterweight chamber (118), and exchange holes corresponding to the semipermeable membrane (109) are formed in the side wall of the counterweight chamber (118); one end of the counterweight chamber (118) far away from the abdomen inner section (101) is connected with a spherical head (113), and the diameter of the spherical head (113) is the same as that of the adjusting head (102); the restorer is correspondingly connected with an adjusting head (102) on the pipe body.
2. The peritoneal dialysis set of claim 1, wherein: the length of the inner cuff (104) is 1.8-2.2cm, and the length of the outer cuff (105) is 1 cm.
3. The peritoneal dialysis set of claim 2, wherein: the restorer comprises a conveying device (3), a spring hose (2) which can go deep into a pipe body is arranged in the conveying device (3), and one end of the spring hose (2) is connected with a connector (201); an injection tube is slidably connected between the spring hose (2) and the connector (201), one end of the injection tube, which is far away from the connector (201), is connected with an injection needle (204) corresponding to the rubber plug (108), and the other end of the injection tube is connected with a push block (203); the injection tube is connected with a connecting tube (202), and a connecting tube chute (205) corresponding to the connecting tube (202) is arranged on the connecting head (201).
4. The peritoneal dialysis set of claim 3, wherein: the conveying device (3) comprises a conveying chamber, a lower conveying structure is arranged in the conveying chamber, an opening is formed in the top of the conveying chamber, and an upper conveying structure matched with the lower conveying structure is arranged in the opening; the lower conveying structure comprises a fixing structure matched with the outer section of the pipe body, a guide structure corresponding to the spring hose (2) is arranged in the middle of the upper conveying structure, an injection structure corresponding to the injection pipe is arranged on one side, away from the fixing structure, of the guide structure, and a transmission structure matched with the injection structure and the guide structure is arranged between the fixing structure and the guide structure.
5. The peritoneal dialysis set of claim 4, wherein: the upper conveying structure comprises a movable plate (301) matched with the opening of the conveying chamber, and guide plates (350) are arranged on two sides of the upper conveying structure; a lifting plate (355) is arranged between the guide plates (350), a lifting screw rod (357) is screwed on the movable plate (301), one end of the lifting screw rod (357) far away from the lifting plate (355) is connected with a lifting handle (352), the lifting screw rod (357) is rotatably connected with the lifting plate (355), and a supporting column (356) matched with the lifting plate (355) is arranged on the movable plate (301); a sleeve lower sliding groove is formed in the lifting plate (355), a sleeve (366) is connected in the sleeve lower sliding groove in a sliding mode, a sleeve upper sliding groove matched with the sleeve (366) is formed in the movable plate (301), and a placement groove (365) matched with the spring hose (2) is formed in one surface, close to the cover plate (306), of the lifting plate (355); one end of the sleeve (366) far away from the cover plate (306) is connected with a display column (351), and a display column sliding groove matched with the display column (351) is arranged on the movable plate (301).
6. The peritoneal dialysis set of claim 5, wherein: one end, far away from the fixed structure, of the movable plate (301) is connected with a guide cylinder (358) in a sliding mode, a connecting column is connected in the guide cylinder (358) in the sliding mode, a fixed cylinder (359) matched with the connector (201) is connected onto the connecting column, an opening corresponding to the sliding groove (335) is formed in the fixed cylinder (359), and a fixing screw matched with the connector (201) is arranged on the fixed cylinder (359); the end part, far away from the guide cylinder (358), of the movable plate (301) is connected with an upper wheel guide plate (361), the upper wheel guide plate (361) is connected with an upper wheel base in a sliding manner, and the upper wheel base is connected with a conveying upper wheel (367) in a rotating manner; an adjusting chamber (354) is arranged on the movable plate (301), an upper wheel adjusting screw rod is rotatably connected in the adjusting chamber (354), the upper wheel adjusting screw rod is in threaded connection with an upper wheel base, and an upper wheel adjusting knob (363) connected with the upper wheel adjusting screw rod is arranged in the adjusting chamber (354); a conveying cylinder guide plate (336) is arranged on one side, away from the guide cylinder (358), of the upper wheel guide plate (361), a conveying cylinder base is connected between the conveying cylinder guide plates (336) in a sliding mode, a conveying cylinder (360) corresponding to the spring hose (2) is connected onto the conveying cylinder base, and the axes of the conveying cylinder (360) and the dialysis tube fixing cylinder (303) are on the same straight line; the adjusting chamber (354) is rotatably connected with a conveying cylinder (360) adjusting screw rod, the conveying cylinder (360) adjusting screw rod is in threaded connection with a conveying cylinder base, and a conveying cylinder adjusting knob (362) connected with the conveying cylinder (360) adjusting screw rod is arranged in the adjusting chamber (354).
7. The peritoneal dialysis set of claim 6, wherein: the guide structure comprises a support seat (338) arranged on the bottom surface of the conveying chamber, a pair of guide post lower sliding grooves corresponding to the sleeve lower sliding grooves are formed in the support seat (338), and the guide post lower sliding grooves are arranged in parallel; guide rails (342) are arranged in the lower sliding grooves of the two guide posts, the guide rails (342) are connected with connecting rods (339) in a sliding manner, and the guide rails (342) are provided with top springs (343) matched with the connecting rods (339); the two connecting rods (339) are both connected with a traction rod (340) parallel to the guide post lower chute, the traction rod (340) is positioned between the two connecting rods (339), and the lengths of the traction rods (340) are equal; the draw bar (340) is connected with a guide post (341) corresponding to the spring hose (2), and the guide post (341) is arranged in the sleeve (366) in a penetrating way; a cover plate (306) is arranged on the supporting seat (338), and a connecting hole (344) corresponding to the supporting seat (338) is formed in the cover plate (306); the cover plate (306) is provided with a guide post upper sliding groove (327) corresponding to the guide post (341), and one surface of the cover plate (306) close to the supporting seat (338) is provided with a sliding groove (328) corresponding to the connecting rod (339).
8. The peritoneal dialysis set of claim 7, wherein: the injection structure comprises a base (318) which is in sliding connection with the bottom surface of the conveying chamber, a sliding groove (335) and a sliding way (319) which are matched with each other are arranged between the bottom surface of the conveying chamber and the base (318), a cover plate sliding groove (345) which corresponds to the base (318) is arranged on the cover plate (306), a base sliding way which is matched with the cover plate sliding groove (345) is arranged on the base (318), a guide block (364) which is matched with the guide cylinder (358) is arranged on the base (318), and a clamping groove which is matched with the guide cylinder (358) is arranged on the guide block (364); the base (318) is connected with a sliding seat (320) in a sliding manner, a supporting plate (322) corresponding to the sliding seat (320) is arranged on the base (318), a needle inserting lead screw (321) corresponding to the sliding seat (320) is arranged on the supporting plate (322), and the needle inserting lead screw (321) is connected with the conveying chamber in a sliding manner; the sliding seat (320) is provided with an injector (323), the injector (323) comprises an injector output end and an injector pushing end, one side of the injector (323) is provided with an injection bottle (307), and the injection bottle (307) is arranged on the sliding seat (320); the output end of the injector is connected with an injection pipeline (332), one end, far away from the injector, of the injection pipeline (332) at the output end is connected with a connecting pipe (202) on the injection pipe, an injection check valve and a normally open valve are arranged on the injection pipeline (332), the normally open valve is arranged between the check valve and the output end of the injector, and a normally open handle (329) is arranged on the normally open valve; a liquid inlet pipeline (337) connected with the injector (323) is arranged on the injection bottle (307), a liquid inlet one-way valve is arranged on the liquid inlet pipeline (337), a liquid discharge pipeline (333) connected with the injection bottle (307) is arranged on the injector (323), a normally closed valve is arranged on the liquid discharge pipeline (333), a normally closed handle (330) is arranged on the normally closed valve, and the liquid inlet pipeline (337) and the liquid discharge pipeline (333) are both arranged close to the output end of the injector; a liquid feeding pipeline (334) is arranged on the injection bottle (307), and a liquid feeding cap is arranged on the liquid feeding pipeline (334); be equipped with the injection base on base (318), the injection base is located one side that slide (320) are close to syringe propulsion end, the one end that slide (320) were kept away from to the injection base is equipped with the locating plate, be equipped with injection lead screw (325) on the locating plate, the spiro union has screw to press cover (324) on injection lead screw (325), the one end of keeping away from screw pressure cover (324) on injection lead screw (325) is equipped with injection handle (326), be connected with on screw pressure cover (324) with injection base sliding connection move position board (331), move and be equipped with on position board (331) and impel end sliding connection's the position board spout that moves with the syringe.
9. The peritoneal dialysis set of claim 8, wherein: the fixing structure comprises a dialysis tube fixing cylinder (303), the dialysis tube fixing cylinder (303) is arranged at the outer skin section (106) of the tube body in a sleeved mode, a fixing nut (347) is arranged on the dialysis tube fixing cylinder (303), a rotating nut (346) is screwed on the fixing nut (347), a squeezing ring (348) matched with the outer skin section (106) is arranged on the fixing nut (347), and an inclined block (349) matched with the squeezing ring (348) is arranged on the rotating nut (346).
10. The peritoneal dialysis set of claim 9, wherein: the transmission structure comprises a rotating shaft (314), and one end of the rotating shaft (314) is provided with a rotating handle (315); a pair of sliding blocks (313) connected with the connecting rod (339) is connected to the rotating shaft (314) in a threaded mode, external threads corresponding to the sliding blocks (313) are arranged on the rotating shaft (314), and threads of the external threads are opposite; a pair of gear pumps (309) is sleeved on the rotating shaft (314), and the gear pumps (309) are positioned on two sides of the sliding block (313); the gear pump (309) is connected with a reversing valve (308) through a pipeline, a reversing handle (312) is arranged on the reversing valve (308), the reversing valve (308) is connected with a hydraulic cylinder (311) through a pipeline, and the output end of the hydraulic cylinder (311) is connected with a base (318); an oil tank (310) is arranged on the bottom surface of the conveying chamber, and the reversing valve (308) and the gear pump (309) are connected with the oil tank (310); the middle part of the rotating shaft (314) is provided with a lower conveying wheel (316) matched with the upper conveying wheel (367).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320699.4A CN109200369B (en) | 2018-11-07 | 2018-11-07 | Peritoneal dialysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320699.4A CN109200369B (en) | 2018-11-07 | 2018-11-07 | Peritoneal dialysis device |
Publications (2)
| Publication Number | Publication Date |
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| CN109200369A CN109200369A (en) | 2019-01-15 |
| CN109200369B true CN109200369B (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811320699.4A Expired - Fee Related CN109200369B (en) | 2018-11-07 | 2018-11-07 | Peritoneal dialysis device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109876219A (en) * | 2019-03-06 | 2019-06-14 | 广州市红十字会医院（暨南大学医学院附属广州红十字会医院） | Novel peritoneal dialysis catheter and using method thereof |
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| CN108245726A (en) * | 2018-03-05 | 2018-07-06 | 温州市中心医院 | A kind of effective drift pipe rectifier of peritoneal dialysis |
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| US5308338A (en) * | 1993-04-22 | 1994-05-03 | Helfrich G Baird | Catheter or the like with medication injector to prevent infection |
| AU2002322599A1 (en) * | 2001-07-27 | 2003-02-17 | Mark A. Saab | Medical device with adjustable epidermal tissue ingrowth cuff |
| CN204208103U (en) * | 2014-10-23 | 2015-03-18 | 敖翔 | Peritoneal dialysis catheter dredging positor |
| US9132223B1 (en) * | 2015-01-28 | 2015-09-15 | King Saud University | Peritoneal dialysis catheter |
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| US4821996A (en) * | 1987-01-28 | 1989-04-18 | Baxter Travenol Laboratories, Inc. | Fluid flow control valve and transfer set |
| CN102114274A (en) * | 2011-01-28 | 2011-07-06 | 廖锋群 | Peritoneal dialysis catheter drift repositor |
| CN202052110U (en) * | 2011-01-28 | 2011-11-30 | 廖锋群 | Peritoneal dialysis catheter floating tube repositor |
| CN102553009A (en) * | 2012-03-07 | 2012-07-11 | 中国人民解放军第二军医大学 | Peritoneal dialysis catheter positioning and adjusting device |
| CN203123144U (en) * | 2013-04-09 | 2013-08-14 | 徐秋芬 | Peritoneal dialysis device |
| CN203417364U (en) * | 2013-07-31 | 2014-02-05 | 西安交通大学医学院第一附属医院 | Device for positioning, restoring and unchoking peritoneal dialysis tube |
| CN205913576U (en) * | 2016-06-30 | 2017-02-01 | 中国人民解放军第三军医大学第二附属医院 | Novel peritoneum dialysis tubing |
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