CN108355189A - A kind of peritoneum dialysis catheter - Google Patents
A kind of peritoneum dialysis catheter Download PDFInfo
- Publication number
- CN108355189A CN108355189A CN201810125367.4A CN201810125367A CN108355189A CN 108355189 A CN108355189 A CN 108355189A CN 201810125367 A CN201810125367 A CN 201810125367A CN 108355189 A CN108355189 A CN 108355189A
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- Prior art keywords
- inner tube
- dialysis
- outer tube
- tube
- liquid pipe
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- 238000000502 dialysis Methods 0.000 title claims abstract description 94
- 210000004303 peritoneum Anatomy 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 229920004933 Terylene® Polymers 0.000 claims abstract description 29
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 29
- 210000000683 abdominal cavity Anatomy 0.000 claims abstract description 20
- 238000007912 intraperitoneal administration Methods 0.000 claims abstract description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 5
- 239000010936 titanium Substances 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 210000001015 abdomen Anatomy 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 7
- 230000003187 abdominal effect Effects 0.000 description 5
- 239000000385 dialysis solution Substances 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 210000003489 abdominal muscle Anatomy 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000003907 kidney function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 206010034674 peritonitis Diseases 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
- A61M1/285—Catheters therefor
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Urology & Nephrology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a kind of peritoneum dialysis catheters,Its key points of the technical solution are that including the dialysis inner tube that can be threaded connection with and external taking over,Inner tube of dialysing includes to change liquid pipe and positioned at the fixing pipe at middle part positioned at end,There are two the terylene sets for fixed dialysis inner tube for setting in fixing pipe,Change the tapered helix structure setting of the profile of liquid pipe,It changes on the lateral wall of liquid pipe and is provided with several liquid drain holes,Liquid drain hole is distributed along liquid pipe length direction is changed,The end set for changing liquid pipe is magnetic part,And the magnetic force piece of magnetic absorption can be generated with magnetic part,The good titanium coating of biocompatibility is provided on the lateral wall of magnetic part,Magnetic part in human abdominal cavity can enable the position that dialysis inner tube keeps relative stability when being attracted with the magnetic force piece on the outside of human body,Or dialysis inner tube can be adjusted during mobile magnetic force piece in intraperitoneal position.The peritoneum dialysis catheter can avoid drifting about in abdominal cavity, and conveniently transpose to it.
Description
Technical field
The present invention relates to technical field of medical equipment, more specifically, it relates to a kind of peritoneum dialysis catheter.
Background technology
Currently, being primarily present two kinds of therapeutic modalities for the patient of renal function missing：Haemodialysis and abdominal dialysis.
Wherein, abdominal dialysis has the renal function that can protect remaining, and operation is simple, advantage of lower cost and by more welcome.
The major way of current peritoneal dialysis has continuous ambulatory peritoneal dialysis, intermittent peritoneal dialysis, Continuous Cycling Peritoneal saturating
Analysis and automatic circulation type peritoneal dialysis；But existing peritoneum dialysis catheter cannot preferably deacclimatize this treatment, due to saturating
Analysis pipe is positioned over intraperitoneal, and needs to add dialyzate into abdominal cavity, there is the behaviour for regulating and controlling dosage for the additive amount of dialyzate
It slips up so that abdominal dialysis pipe can be in the intraperitoneal pipe that floats, while making between the terylene set on abdominal dialysis pipe and musculature
Gap is formed, the infection of impenetrating mouth is caused.And since Puncture Tube is set on the outside of body, need regular transfer external
Pipe so that Puncture Tube be easy to happen fracture and make abdominal dialysis pipe is scrapped, make patient need to set pipe again, increase patient bitterly
Bitter and financial burden.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of peritoneum dialysis catheter, the peritoneal dialysis
Pipe can avoid drifting about in abdominal cavity, and conveniently transpose to it.
To achieve the above object, the present invention provides following technical solutions：A kind of peritoneum dialysis catheter includes for placing
Enter the dialysis inner tube in human abdominal cavity and with dialysis inner tube be connected to it is external it is external take over, the dialysis inner tube connects with external
Pipe is connected through a screw thread, it is described dialysis inner tube include positioned at end change liquid pipe and positioned at the fixing pipe at middle part, it is described solid
There are two the terylene sets for fixed dialysis inner tube, the tapered helix structure of the profile for changing liquid pipe to set for setting on fixed tube
It sets, several liquid drain holes is provided on the lateral wall for changing liquid pipe, the liquid drain hole is distributed along liquid pipe length direction is changed, described to change
The end set of liquid pipe be magnetic part and can with magnetic part generate magnetic absorption magnetic force piece, the outside of the magnetic part
It is provided with the good titanium coating of biocompatibility on wall, is located at the magnetic part in human abdominal cavity and the magnetic force piece on the outside of human body
The position that dialysis inner tube can be enabled to keep relative stability when actuation, or can be adjusted in dialysis during mobile magnetic force piece
Pipe is in intraperitoneal position.
The present invention is further arranged to：The dialysis inner tube is used to connect the external interface taken over and is provided with coaxial the
The end face of one inner tube and the first outer tube, first inner tube is located in the first outer tube, and external take over is used to connect in dialysis
The interface of pipe is provided with the second coaxial inner tube and the second outer tube, and the end face of second inner tube is located in the second outer tube, institute
State between the first inner tube and the first outer tube there are the first gap being inserted into for the second outer tube, second inner tube and the second outer tube it
Between there are for the first inner tube be inserted into the second gap.
The present invention is further arranged to：First inner tube is connected through a screw thread with the second inner tube, first outer tube
The lateral wall of madial wall and the second outer tube is arranged at the conical structure that can be bonded, and the internal diameter size of first outer tube is from opening
Mouthful end along its depth direction at being gradually reduced setting, the outer diameter of second outer tube from open end along its length at by
The taper of cumulative big setting, the first inner tube and the second outer tube the conical inner side wall and the second outer tube of the first outer tube during being spirally connected
Lateral wall moves closer to until fitting.
The present invention is further arranged to：First outer tube is connected through a screw thread with the second outer tube, first inner tube
Madial wall and the lateral wall of the second inner tube are arranged at the conical structure that can be bonded, and the internal diameter size of first inner tube is from opening
Mouthful end along its depth direction at being gradually reduced setting, the outer diameter of second inner tube from open end along its length at by
The taper of cumulative big setting, the first outer tube and the second outer tube the conical inner side wall and the second inner tube of the first inner tube during being spirally connected
Lateral wall moves closer to until fitting.
The present invention is further arranged to：Two terylene sets are located at fixing pipe both ends, the fixing pipe at hard arc
Shape bend pipe structure is arranged.
The present invention is further arranged to：The lateral wall of the terylene set is surrounded with conflict item, and the conflict item is surround
In on the lateral wall of terylene set, and closely abutted between adjacent conflict item.
The present invention is further arranged to：The magnetic part is set as elliposoidal.
In conclusion the invention has the advantages that：Dialyse the setting of inner tube front end magnetic part due to cause for quality,
Certain draft that dialysis inner tube can be kept opposite in peritoneal dialysis solution so that dialysis inner tube is in peritoneal dialysis liquid energy
Opposite stability is enough kept, and when inner tube of dialysing is flat in abdominal cavity so that the center of gravity for inner tube of dialysing is in pipeline most
Lower end, while certain quality can be kept, drift of the dialysis inner tube in abdominal cavity can be prevented to a certain extent.And it can
By other magnetic force piece outside abdominal cavity so as to adjusting relative position of the dialysis inner tube in abdominal cavity so that dialysis inner tube is being sent out
Also can the adjustment on position be carried out to dialysis inner tube by simple method after raw displacement, to keep the effective of dialysis inner tube
Position, and under necessary condition, the relative position of dialysis inner tube can be fixed by the magnetic force piece outside body.
Description of the drawings
Fig. 1 is the structural schematic diagram of peritoneum dialysis catheter；
Fig. 2 is the external connection structure sectional view taken over dialysis liquid pipe；
Fig. 3 is the structural schematic diagram of terylene set.
Reference numeral：1, dialysis inner tube；11, liquid pipe is changed；12, fixing pipe；13, terylene set；131, item is contradicted；14, magnetic
Part；15, the first inner tube；16, the first outer tube；17, the first gap；2, external to take over；21, the second inner tube；22, the second outer tube；23、
Second gap.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is described in more detail.Wherein identical parts are with identical
Reference numeral indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down"
Refer to that the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements
The direction of geometric center.
Referring to Fig.1 shown in -3, a kind of peritoneum dialysis catheter includes the dialysis inner tube 1 for being placed into human abdominal cavity with
And it is connected to external external take over 2 with dialysis inner tube 1, dialysis inner tube 1 is connected through a screw thread with external take over 2, inner tube 1 of dialysing
Include to change liquid pipe 11 and the fixing pipe 12 positioned at middle part positioned at end, setting is fixed saturating there are two being used in fixing pipe 12
The terylene set 13 for analysing inner tube 1 changes the tapered helix structure setting of the profile of liquid pipe 11, changes on the lateral wall of liquid pipe 11 and be arranged
There are several liquid drain holes, along the distribution of 11 length direction of liquid pipe is changed, the end set for changing liquid pipe 11 is magnetic part 14, Yi Jineng liquid drain hole
Enough and magnetic part 14 generates the magnetic force piece of magnetic absorption, and the good titanium of biocompatibility is provided on the lateral wall of magnetic part 14 and is applied
Layer, the magnetic part 14 in human abdominal cavity can enable dialysis inner tube 1 keep phase when being attracted with the magnetic force piece on the outside of human body
To stable position, or dialysis inner tube 1 can be adjusted in intraperitoneal position during mobile magnetic force piece.
Will dialysis inner tube 1 be placed in it is intraperitoneal after, the magnetic part 14 of dialysis inner tube 1 front end setting, can due to cause for quality
The certain draft for keeping dialysis inner tube 1 opposite in peritoneal dialysis solution so that dialysis inner tube 1 can in peritoneal dialysis solution
Opposite stability is kept, and when inner tube 1 of dialysing is flat in abdominal cavity so that the center of gravity of dialysis inner tube 1 is in pipeline most
Lower end, while certain quality can be kept, drift of the dialysis inner tube 1 in abdominal cavity can be prevented to a certain extent.And energy
Enough by external magnetic force piece so as to adjusting relative position of the dialysis inner tube 1 in abdominal cavity so that dialysis inner tube 1 is occurring
Also can the adjustment on position be carried out to dialysis inner tube 1 by simple method after displacement, to keep the effective of dialysis inner tube 1
Position, and under necessary condition, the relative position of dialysis inner tube 1 can be fixed by external magnetic force piece, so as to side
Just the fixation for inner tube 1 of dialysing, without transferring external take over 2, to be conducive to dialyse, inner tube 1 connects with the effective of external take over 2
Connect and dialyse the service life of inner tube 1 and external take over 2.Simultaneously because 14 outer side seal of magnetic part is enclosed with one layer of biofacies
The good titanium coating of capacitive so that magnetic part 14 can be in the case where ensureing that itself magnetism does not disappear, additionally it is possible to not in abdominal cavity
Interior generation reaction increases safety and the stability of dialysis inner tube 1.
The contour line for wherein changing liquid pipe 11 is set as conical helix, when dialysis inner tube 1 is positioned over intraperitoneal so that change
Liquid pipe 11 can will form a horizontal conical helix, simultaneously as magnetic part 14 is in the top of helix, to make
Liquid pipe 11, which must be changed, can wrap magnetic part 14, and due to helix, can avoid magnetic part 14 fall completely to
The bottom for inner tube 1 of dialysing, enabling magnetic part 14, floating is arranged to a certain extent, to reduce the pressure for abdominal cavity internal organs
Compel.Simultaneously because changing the tapered helix structure of liquid pipe 11 so that whole structure is more three-dimensional, so that changing liquid pipe 11
It is difficult to be wrapped by so that the function and effect for changing liquid pipe 11 are stronger.And the dialysis inner tube 1 of cone-type spiral line profile being capable of maximum journey
Among the inner tube 1 that will dialyse to degree is immersed in peritoneal dialysis solution, so that every time during peritoneal dialysis, the replacement rate of dialyzate
It improves, to be conducive to improve the efficiency dialysed every time.
The interface that dialysis inner tube 1 is used to connect external take over 2 is provided with the first coaxial inner tube 15 and the first outer tube 16,
The end face of first inner tube 15 is located in the first outer tube 16, and the interface that external take over 2 is used to connect dialysis inner tube 1 is provided with coaxially
The second inner tube 21 and the second outer tube 22, the end face of the second inner tube 21 is located in the second outer tube 22, outside the first inner tube 15 and first
There are the first gap 17 being inserted into for the second outer tube 22 between pipe 16, there are for first between the second inner tube 21 and the second outer tube 22
The second gap 23 that inner tube 15 is inserted into.Since the end face of the first inner tube 15 is located in the first outer tube 16, the end face of the second inner tube 21
It, can be respectively by the first inner tube 15 and the second inner tube by adding the first outer tube 16 and the second outer tube 22 in the second outer tube 22
21 it is fully wrapped around live, can be by being in direct contact outside the first outer tube 16 and second when connecting external take over 2 with dialysis inner tube 1
Pipe 22 come control dialysis inner tube 1 and external take over 2 between connection, not only facilitate attended operation, also effectively prevent accidentally touch
Dialyse inner tube 1 interface and external take over 2 interface, so as to avoid contact interface so as to cause cause virus or it is different
Object enter external take over 2 enter back into dialysis inner tube 1 in so as to cause intraperitoneal infection either peritonitis, enable to dialyse
The safety in utilization of inner tube 1 can be significantly enhanced.And the interface of inner tube of dialysing 1 and external take over 2 is by being provided with
Multilayered structure is not likely to produce bending, is conducive to the smooth circulation of dialyzate to keep the structural strength of interface high.
First inner tube 15 is connected through a screw thread with the second inner tube 21, the madial wall of the first outer tube 16 and the second outer tube 22 it is outer
Side wall is arranged at the conical structure that can be bonded, and the internal diameter size of the first outer tube 16 is from open end along its depth direction at gradual
Reduce setting, the outer diameter of the second outer tube 22 is arranged at gradual increase along its length from open end, 15 He of the first inner tube
Second outer tube 22 the conical inner side wall of first outer tube 16 and tapered exterior sidewall of the second outer tube 22 during being spirally connected move closer to
Until fitting.First inner tube 15 and the second inner tube 21 realize the connection of dialysis inner tube 1 and external take over 2 during being spirally connected, this
It, can when the two is contradicted and is bonded outside by the way that the tapered exterior sidewall of the conical inner side wall and the second outer tube 22 of the first outer tube 16 is arranged
The stroke that is spirally connected for playing limit the first inner tube 15 and the second inner tube 21, the position when being spirally connected due to the first inner tube 15 and the second inner tube 21
In the stroke that is spirally connected can not be observed in the first outer tube 16 and the second outer tube 22, pass through the conical inner side wall and second of the first outer tube 16
The tapered exterior sidewall of outer tube 22 is arranged, and the first inner tube 15 of limit and the second inner tube 21 can be played under abutting state in the two
Be spirally connected stroke, and correct position is screw-coupled to be advantageously implemented the first inner tube 15 and the second inner tube 21.And pass through the first inner tube
15 are spirally connected with the second inner tube 21, and the conical inner side wall of the first outer tube 16 is abutted with the tapered exterior sidewall of the second outer tube 22, is being dialysed
The interface of inner tube 1 and external take over 2 realizes dual sealing structure, is conducive to the connection effect for improving interface and close
Seal effect.
First outer tube 16 is connected through a screw thread with the second outer tube 22, the madial wall of the first inner tube 15 and the second inner tube 21 it is outer
Side wall is arranged at the conical structure that can be bonded, and the internal diameter size of the first inner tube 15 is from open end along its depth direction at gradual
Reduce setting, the outer diameter of the second inner tube 21 is arranged at gradual increase along its length from open end, the first outer tube 16 with
Second outer tube 22 the conical inner side wall of first inner tube 15 and tapered exterior sidewall of the second inner tube 21 during being spirally connected move closer to
Until fitting.First outer tube 16 and the second outer tube 22 realize the connection of dialysis inner tube 1 and external take over 2 during being spirally connected, this
It, can when the two is contradicted and is bonded outside by the way that the tapered exterior sidewall of the conical inner side wall and the second inner tube 21 of the first inner tube 15 is arranged
Play limit the first outer tube 16 and the second outer tube 22 the stroke that is spirally connected, when being screwed into the first outer tube 16 due to the second outer tube 22 without
Method observes the stroke that is spirally connected, and the tapered exterior sidewall of the conical inner side wall and the second inner tube 21 that pass through the first inner tube 15 is arranged, Neng Gou
The two plays the stroke that is spirally connected of limit the first outer tube 16 and the second outer tube 22 under abutting state, to be advantageously implemented outside first
Pipe 16 and the second outer tube 22 are screw-coupled to correct position.And it is spirally connected by the first outer tube 16 and the second outer tube 22, the first inner tube 15
Conical inner side wall abutted with the tapered exterior sidewall of the second inner tube 21, dialysis inner tube 1 and the interface of external take over 2 realize
Dual sealing structure is conducive to the connection effect and sealing effect that improve interface.
Two terylene set 13 is located at 12 both ends of fixing pipe, fixing pipe 12 at hard curve bend structure setting.Firmly
The fixing pipe 12 of matter enables to the relative position between two terylene sets 13 that can fix, while 12 camber bend pipe of fixing pipe
Structure setting so that the terylene set 13 of both sides can be arranged with an opposite angle intersected, when one of terylene set 13 is wanted
When deviating from tunnel, another terylene set 13 by the chucking power and channel of muscle due to being moved towards different, so that two
It can check and balance between terylene set 13, it is more difficult to deviate from tunnel, be conducive to the fixed effect for improving fixing pipe 12；And it can
So that the both sides tunnel opening on stomach wall is arranged downward so that the warp that peritoneal dialysis solution under the influence of air pressure can be more smooth
Dialysis inner tube 1 is crossed, the generation of obstruction is reduced.
The lateral wall of terylene set 13, which is surrounded with, contradicts item 131, contradicts the lateral wall that item 131 is surrounded on terylene set 13
On, and closely abutted between adjacent conflict item 131.When the inner tube 1 that will dialyse is positioned over intraperitoneal, need the terylene of deep layer
Set 13 is fixed on rectus aabdominis, and the terylene set 13 of shallow-layer is fixed in hypodermic tunnel of 2 centimetres away from skin, is clamped by musculature
Terylene covers 13 to fix the relative position of dialysis inner tube 1, and the annular of multilayer contradicts item 131 and can increase when muscle grips
Muscle and terylene is added to cover the frictional force between 13 so that muscle more fixedly can cover 13 by de-clamping terylene so that terylene set
13 can keep not changing for relative position, so as to ensure the stability of dialysis 1 relative position of inner tube, simultaneously because multilayer
Annular contradict item 131 so that musculature and terylene set 13 between can form the clamping zone more to compact, to make
It obtains the thing other than tunnel face to be difficult to enter in tunnel, so that the safety higher of terylene set 13.
Magnetic part 14 is set as elliposoidal so that the two poles of the earth of magnetic part 14 can distinguish completely, and magnetic force piece is drawn
When 14 activity of magnetic conductivity part, magnetic part 14 can not only be guided by gravitation, and due to the setting of magnetic part 14
For the sphere of ellipse so that the two poles of the earth of magnetic part 14 can be distributed in the longer both ends of ellipsoid, and can pass through regulation and control
Relative position of the peritoneum dialysis catheter in abdominal cavity is adjusted in the both ends of magnetic part 14, and 14 energy of magnetic part of elliposoidal
Enough injuries reduced for abdominal muscles, being capable of waving so that magnetic part 14 is to both sides by ellipsoid in slipping
Power is unloaded in direction, so as to avoid impact force from directly being damaged to abdominal muscles, to avoid peritonaeum from perforating.And make
When inner tube 1 of dialysing enters abdominal cavity, the magnetic part 14 of elliposoidal can play a guiding in the end of dialysis inner tube 1 and make
With so that the dialysis entrance of inner tube 1 is intraperitoneal simpler, and the end of dialysis inner tube 1 can also be avoided to scratch peritonaeum.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of peritoneum dialysis catheter, include dialysis inner tube (1) for being placed into human abdominal cavity and with dialysis inner tube (1)
Be connected to it is external it is external take over (2), the dialysis inner tube (1) is connected through a screw thread with external take over (2), the dialysis inner tube
(1) include changing liquid pipe (11) and be provided in the fixing pipe (12) at middle part, the fixing pipe (12) positioned at end
Two terylene sets (13) for fixed dialysis inner tube (1), it is characterized in that：The tapered spiral of the profile for changing liquid pipe (11)
Cable architecture is arranged, and several liquid drain holes are provided on the lateral wall for changing liquid pipe (11), and the liquid drain hole is long along liquid pipe (11) is changed
Spend directional spreding, the end set for changing liquid pipe (11) is magnetic and part (14) and can be generated with magnetic part (14) magnetic
The magnetic force piece of absorption is provided with the good titanium coating of biocompatibility on the lateral wall of the magnetic part (14), is located at human body abdomen
The magnetic part (14) of intracavitary can enable the position that dialysis inner tube (1) keeps relative stability when being attracted with the magnetic force piece on the outside of human body
It sets, or dialysis inner tube (1) can be adjusted in intraperitoneal position during mobile magnetic force piece.
2. a kind of peritoneum dialysis catheter according to claim 1, it is characterized in that：The dialysis inner tube (1) is external for connecting
The interface for taking over (2) is provided with coaxial the first inner tube (15) and the first outer tube (16), the end face of first inner tube (15)
It is described external to take over (2) and be provided with coaxial second for connect the interface for inner tube (1) of dialysing in the first outer tube (16)
The end face of inner tube (21) and the second outer tube (22), second inner tube (21) is located in the second outer tube (22), first inner tube
(15) between the first outer tube (16) there are for the second outer tube (22) be inserted into the first gap (17), second inner tube (21) with
There are the second gaps (23) being inserted into for the first inner tube (15) between second outer tube (22).
3. a kind of peritoneum dialysis catheter according to claim 2, it is characterized in that：First inner tube (15) and the second inner tube
(21) it is connected through a screw thread, the madial wall of first outer tube (16) and the lateral wall of the second outer tube (22) are at the circle that can be bonded
Pyramidal structure is arranged, and the internal diameter size of first outer tube (16) is from open end along its depth direction at being gradually reduced setting, institute
The outer diameter for stating the second outer tube (22) is arranged at gradual increase along its length from open end, the first inner tube (15) and second
Outer tube (22) the conical inner side wall of the first outer tube (16) and tapered exterior sidewall of the second outer tube (22) during being spirally connected gradually are leaned on
Closely until fitting.
4. a kind of peritoneum dialysis catheter according to claim 2, it is characterized in that：First outer tube (16) and the second outer tube
(22) it is connected through a screw thread, the madial wall of first inner tube (15) and the lateral wall of the second inner tube (21) are at the circle that can be bonded
Pyramidal structure is arranged, and the internal diameter size of first inner tube (15) is from open end along its depth direction at being gradually reduced setting, institute
The outer diameter for stating the second inner tube (21) is arranged at gradual increase along its length from open end, the first outer tube (16) and second
Outer tube (22) the conical inner side wall of the first inner tube (15) and tapered exterior sidewall of the second inner tube (21) during being spirally connected gradually are leaned on
Closely until fitting.
5. a kind of peritoneum dialysis catheter according to any one of claim 1-4, it is characterized in that：Two terylene sets (13) point
Not Wei Yu fixing pipe (12) both ends, the fixing pipe (12) at hard curve bend structure setting.
6. a kind of peritoneum dialysis catheter according to claim 5, it is characterized in that：The lateral wall of the terylene set (13) surround and sets
It is equipped with and contradicts item (131), the conflict item (131) is surrounded on the lateral wall of terylene set (13), and adjacent conflict item (131)
Between closely abut.
7. a kind of peritoneum dialysis catheter according to claim 1, it is characterized in that：The magnetic part (14) is set as elliposoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810125367.4A CN108355189A (en) | 2018-02-07 | 2018-02-07 | A kind of peritoneum dialysis catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810125367.4A CN108355189A (en) | 2018-02-07 | 2018-02-07 | A kind of peritoneum dialysis catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108355189A true CN108355189A (en) | 2018-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810125367.4A Pending CN108355189A (en) | 2018-02-07 | 2018-02-07 | A kind of peritoneum dialysis catheter |
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| Country | Link |
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| CN (1) | CN108355189A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4412834A (en) * | 1981-06-05 | 1983-11-01 | Baxter Travenol Laboratories | Antimicrobial ultraviolet irradiation of connector for continuous ambulatory peritoneal dialysis |
| CN2205213Y (en) * | 1994-09-21 | 1995-08-16 | 湖南医科大学附属第二医院 | Concentric circle joint for peritoneal dialysis |
| CN202497522U (en) * | 2012-03-07 | 2012-10-24 | 中国人民解放军第二军医大学 | Peritonaeum dialysis tube positioning and adjusting device |
| 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 |
| CN208611447U (en) * | 2018-02-07 | 2019-03-19 | 温州市中心医院 | A kind of peritoneum dialysis catheter |
-
2018
- 2018-02-07 CN CN201810125367.4A patent/CN108355189A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4412834A (en) * | 1981-06-05 | 1983-11-01 | Baxter Travenol Laboratories | Antimicrobial ultraviolet irradiation of connector for continuous ambulatory peritoneal dialysis |
| CN2205213Y (en) * | 1994-09-21 | 1995-08-16 | 湖南医科大学附属第二医院 | Concentric circle joint for peritoneal dialysis |
| CN202497522U (en) * | 2012-03-07 | 2012-10-24 | 中国人民解放军第二军医大学 | Peritonaeum dialysis tube positioning and adjusting device |
| 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 |
| CN208611447U (en) * | 2018-02-07 | 2019-03-19 | 温州市中心医院 | A kind of peritoneum dialysis catheter |
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