CN106938064A - The hemodialysis catheter that can be punctured - Google Patents
The hemodialysis catheter that can be punctured Download PDFInfo
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- CN106938064A CN106938064A CN201710121796.XA CN201710121796A CN106938064A CN 106938064 A CN106938064 A CN 106938064A CN 201710121796 A CN201710121796 A CN 201710121796A CN 106938064 A CN106938064 A CN 106938064A
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- puncture tube
- repeatedly
- catheter
- punctured
- main body
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- 238000001631 haemodialysis Methods 0.000 title claims abstract description 46
- 230000000322 hemodialysis Effects 0.000 title claims abstract description 44
- 230000000717 retained effect Effects 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 22
- 230000037431 insertion Effects 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 229920004933 Terylene® Polymers 0.000 claims description 8
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000023597 hemostasis Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 238000000502 dialysis Methods 0.000 abstract description 16
- 238000007920 subcutaneous administration Methods 0.000 abstract description 12
- 208000015181 infectious disease Diseases 0.000 abstract description 5
- 230000002980 postoperative effect Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000338 in vitro Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- 210000003462 vein Anatomy 0.000 description 11
- 210000004731 jugular vein Anatomy 0.000 description 10
- 210000001321 subclavian vein Anatomy 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000003191 femoral vein Anatomy 0.000 description 3
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 2
- 230000000202 analgesic effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229940030225 antihemorrhagics Drugs 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001684 chronic effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000025 haemostatic effect Effects 0.000 description 2
- 229960002897 heparin Drugs 0.000 description 2
- 229920000669 heparin Polymers 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000002627 tracheal intubation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 206010064687 Device related infection Diseases 0.000 description 1
- 206010018999 Haemorrhage subcutaneous Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000003109 clavicle Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000037257 muscle growth Effects 0.000 description 1
- 235000016236 parenteral nutrition Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0059—Catheters; Hollow probes characterised by structural features having means for preventing the catheter, sheath or lumens from collapsing due to outer forces, e.g. compressing forces, or caused by twisting or kinking
Abstract
The hemodialysis catheter that can be punctured, it is related to medical equipment technical field, it include being used for the venous catheter main body of indwelling and for be retained in it is subcutaneous can puncture tube repeatedly, can the front end of puncture tube repeatedly be connected to catheter main body and communicated with the cavity inside catheter main body, can puncture tube repeatedly endcapped, can be additionally provided with repeatedly on puncture tube for it in the conduit fixed structure subcutaneously fixed.The above-mentioned hemodialysis catheter punctured is simpler compared to existing dialysis catheter overall structure; it is postoperative puncture tube to be fixed on repeatedly in hypodermic tunnel; surface cannula port available line is sutured; conduit buries subcutaneous without exposed part in vitro completely; thus significantly reduce infection rate; reduce and laundry hits/pull conduit are worn off because patient is daily cause the probability of catheter displacement; substantially increase the convenience of patient's daily routines; because whole dialysis catheter is without external part; aesthetic property preferably, is also beneficial to mitigate the psychological burden of patient.
Description
Technical field
The present invention relates to medical equipment technical field, more particularly to a kind of hemodialysis catheter punctured.
Background technology
In blood dialysis, dialysis catheter is a kind of conventional medical equipment.Common dialysis catheter is shown in Fig. 1
Double channel catheter, including double channel catheter main body 1（Inner chamber is separated into two cavities independent of each other, one provided with dividing plate in pipe
Digestive tract bleeding a, cavity enters blood）And it is connected to the joint 2 on the top of double channel catheter main body 1, butterfly folder 3, two external branch pipes
4 are connected by joint 2 with double channel catheter main body 1, in addition, existing double channel catheter also includes the calparine cap 5 for being connected to external branch pipe 4
And for clamping the grade part of tube clamp 6 of external branch pipe 4.
The more common central vein in hemodialysis has：Jugular vein, subclavian vein and femoral vein, are dialysed using double channel catheter
When, double channel catheter main body 1 is retained in central vein, the part of joint 2 and the above（Including two external branch pipes 4）It is placed in body
Outside and skin surface is bonded at by medical proof fabric to be fixed（As shown in Figure 2, the dotted portion subcutaneous tunnel of conduit is inserted in figure
Enter in vein, bold portion exposes outside body）.Double channel catheter is exposed at external part and wears off clothes and other days to patient
Normal activity brings great inconvenience, often will accidentally touch external branch pipe 4, and the collision of great dynamicses/pullled can
The displacement of double channel catheter main body 1 can be caused or even be sliding out coming from central vein.In addition, the external part of conduit has an effect on U.S.
See, heavier psychological burden is brought to patient.More seriously, due to its in dialysis catheter in addition to double channel catheter main body 1
It is partly placed in vitro, catheter exit site infection and hypodermic tunnel infection, or even catheter infections, serious sense easily occur
The tube drawing that needs of dye is handled.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of overall structure is simple, after intubation support pipe free be placed in it is external can
The hemodialysis catheter of puncture.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：A kind of hemodialysis catheter punctured,
Including for the venous catheter main body of indwelling and for be retained in it is subcutaneous can puncture tube repeatedly, it is described to puncture repeatedly
The front end of pipe is connected to catheter main body and communicated with the cavity inside catheter main body, it is described can puncture tube repeatedly endcapped,
It is described can be additionally provided with repeatedly on puncture tube for it in the conduit fixed structure subcutaneously fixed.
In one embodiment of the invention, the hemodialysis catheter punctured include two can repeatedly puncture tube and
Provided with two cavities inside a piece catheter main body, the catheter main body, described two puncture tube can each correspond to and conduit repeatedly
One cavity of body interior is communicated.
In another embodiment of the present invention, the hemodialysis catheter punctured include two can puncture tube repeatedly
With two catheter main bodies, a cavity is equipped with inside the catheter main body, every can be correspondingly connected to one by puncture tube repeatedly
Root catheter main body.
In the above-described embodiments, it is described can repeatedly puncture tube include expanded PTFE or polyurethane into outer layer and
Internal layer, is provided with intermediate layer, the intermediate layer is the elastic silica gel for pulling out the hemostasis that can be bounced back immediately after pin between the outer layer and internal layer
Layer pulls out macromolecular material layer capable of self-healing after pin.
It is preferred that, the conduit fixed structure include being used for by two can the end of puncture tube repeatedly be fixedly attached together
Connector.
Further, the connector can puncture the pin thread of pipe end repeatedly and be fixedly connected including being fixedly connected on one
It can puncture in the box of pipe end, the pin thread insertion box two puncture tube can be connected to repeatedly repeatedly at another
Together.
Further, it is described can the end of puncture tube repeatedly blocked by the partition in its inner chamber, it is described can be anti-
The tube wall of multiple puncture tube up extends above partition and forms lock installation cavity for installing pin thread and box, the pin thread and mother
Button is separately mounted to one can be repeatedly in the lock installation cavity of puncture tube, and the pin thread includes one and inserted toward the bar shaped of outer lug
Head, the box includes one and inserts the slot that head is matched with the bar shaped, and the outer peripheral face of the bar shaped insertion head is provided with sheet
Flank, the outer of the sheet flank is flushed in can puncture tube outer peripheral face or positioned at can be repeatedly in puncture tube outer peripheral face repeatedly
After side, the bar shaped insertion head insertion slot, the sheet flank exposes outside box, offers and wears on the sheet flank
String holes, by the sheet flank after skin closure is together with can to it is described can repeatedly puncture tube end carry out it is spacing solid
It is fixed.
It is preferred that, the conduit fixed structure include being fixedly connected on can puncture tube front end and/or end repeatedly sheet
Offer threading hole on flank, the sheet flank, by the sheet flank after skin closure is together with can to it is described can
Puncture tube is fixed repeatedly.
It is preferred that, the conduit fixed structure include it is fixed be set in can puncture tube front end and/or end repeatedly terylene
The collar.
As preferred embodiment, it is described can puncture tube repeatedly outer peripheral face provided with annular and/or spiral recessed
Groove.
The hemodialysis catheter punctured that the present invention is provided compares existing dialysis catheter（It is for example in background technology double
Cavities conduit pipe）The parts such as butterfly folder, calparine cap and tube clamp are eliminated, its overall structure is simpler.More importantly it is to use
When the present invention does Central venous catherization, postoperative to bury fixed in hypodermic tunnel by puncture tube repeatedly, surface cannula port can use
Linear slit is closed, thus significantly reduces infection rate.Further, since conduit is hidden in subcutaneously, reduces and wear off clothing because patient is daily and touch
Hitting/pull conduit causes the probability of catheter displacement, substantially increases the convenience of patient's daily routines, passes through pin when hemodialysis starts
Head is punctured into through skin can be repeatedly in puncture tube, and dialysis completes and pin pressing haemostatic is pulled out after heparin water sealing (sealing water) pipe, later stage dialysis
Cost is low compared with existing conduit and nurses simpler（Existing dialysis catheter all needs to change calparine cap and conduit skin after dialysing every time
Skin exit dressing bag, and the processing that also to be carried out disinfection every time to conduit skin exit site, pipe joint and exit）.Most
Afterwards, puncture tube it can be hidden in subcutaneously repeatedly due to above-mentioned, whole dialysis catheter preferably, is also beneficial to subtract without external part, aesthetic property
The psychological burden of hypopathia people.
Brief description of the drawings
Fig. 1 is the overall structure diagram of double channel catheter in the prior art；
Fig. 2 is double channel catheter jugular vein and subclavian vein individually put pipe schematic diagram in the prior art；
Fig. 3 is the overall structure diagram for the hemodialysis catheter that can be punctured in embodiment 1；
Fig. 4 is the overall structure diagram for the hemodialysis catheter that can be punctured in embodiment 2；
Fig. 5 is individually to put pipe schematic diagram using the hemodialysis catheter jugular vein or subclavian vein that can be punctured shown in Fig. 3；
Fig. 6 is while putting pipe schematic diagram using the hemodialysis catheter jugular vein and subclavian vein that can be punctured shown in Fig. 4；
Fig. 7 is while putting pipe schematic diagram using the hemodialysis catheter both sides jugular vein that can be punctured shown in Fig. 4；
Fig. 8 is while putting pipe schematic diagram using the hemodialysis catheter both sides femoral vein that can be punctured shown in Fig. 4；
Fig. 9 in the present invention can puncture tube repeatedly cross-sectional structure schematic diagram；
Figure 10 be in the hemodialysis catheter that can puncture shown in Fig. 3 two can puncture pipe end repeatedly will be by pin thread and box
Overall structure diagram during connection；
Figure 11 be in the hemodialysis catheter that can puncture shown in Fig. 3 two can puncture that pipe end passes through pin thread and box is connected repeatedly
Overall structure diagram afterwards；
Figure 12 is the partial enlarged drawing at A positions in Figure 10；
Figure 13 is the partial enlarged drawing at B positions in Figure 10；
Figure 14 is the partial enlarged drawing at A positions in Figure 11；
In figure：
1 --- double channel catheter main body 2 --- joint 3 --- butterfly folder
4 --- external conduit 5 --- calparine cap 6 --- tube clamps
10 --- catheter main body 11 --- can repeatedly puncture tube 11a --- outer layers
11b --- internal layer 11c --- intermediate layer 11d --- partitions
12a --- connector 12b --- sheet flank 12c --- terylene collars
--- head is inserted in pin thread 12a2 --- box 12a1a --- bar shaped to 12a1
12a2a --- slot.
Embodiment
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", " top ", " bottom ", " interior ",
The orientation or position relationship of instructions such as " outer " are, based on orientation shown in the drawings or position relationship, to be for only for ease of and describe this hair
Bright and simplified description, rather than instruction or the signified device of hint or element must be with specific orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
As shown in Fig. 3,4,10-14, a kind of hemodialysis catheter punctured, including for the venous conduit of indwelling
Main body 10 and for be retained in it is subcutaneous can puncture tube 11 repeatedly, can the front end of puncture tube 11 repeatedly be connected to catheter main body 10
And communicated with the cavity inside catheter main body 10, can puncture tube 11 repeatedly endcapped, can be additionally provided with repeatedly on puncture tube 11
For to it in the conduit fixed structure subcutaneously fixed.
It should be noted that in the present invention, in addition to the structure of example 1 below and embodiment 2, the blood that can be punctured is saturating
Analyse conduit and also include but is not limited to following structure（Structure described below is not shown in the accompanying drawings）：For example in catheter main body 10 set
Have 3 cavities, connected on the top of catheter main body 10 3 can puncture tube 11 repeatedly, every can the correspondence of puncture tube 11 and one repeatedly
The connection of individual cavity, one of cavity as enter haemocoele, a cavity as go out haemocoele, the 3rd cavity can be as long-term parenteral
Nutrition, long-term injection of antibiotic, what chronic analgesic medicine was injected gives approach.Certainly, the above-mentioned catheter main body 10 for including 3 cavities
Diameter is thicker, when actually used, and it is not useable for subclavian vein intubation, but available for quiet in vessel diameter relatively thick neck
Arteries and veins.In addition, the above-mentioned hemodialysis catheter punctured can also use following structure：For example it includes two catheter main bodies 10,
Provided with 2 cavities in piece catheter main body 10, one of cavity be into haemocoele, another cavity as long-term parenteral,
Long-term injection of antibiotic, what chronic analgesic medicine was injected gives approach, connects in the top of catheter main body 10 correspondence comprising 2 cavities
Connect two can puncture tube 11 repeatedly, every the correspondence of puncture tube 11 can connect with 1 cavity repeatedly；Set in another catheter main body 10
1 cavity, the cavity is as haemocoele is gone out, inside the corresponding connection in the top of catheter main body 10 comprising 1 cavity one and its
Cavity connection can puncture tube 11 repeatedly, the catheter main body 10 provided with 2 cavities is used to insert jugular vein, provided with 1 cavity
Catheter main body 10 inserts the jugular vein of subclavian vein or opposite side.
From the above, it can be seen that the hemodialysis catheter punctured that the present invention is provided compares existing dialysis catheter
（Such as double channel catheter in background technology）The parts such as butterfly folder 3, calparine cap 5 and tube clamp 6 are eliminated, its overall structure is more
Simply.More importantly it is, it is postoperative to bury repeatedly in subcutaneous tunnel puncture tube 11 when doing Central venous catherization using the present invention
It is fixed in road, the suture of surface cannula port available line, thus significantly reduce infection rate.Further, since conduit is hidden in subcutaneously, reduce
Laundry hits/pull conduit are worn off because patient is daily causes the probability of catheter displacement, substantially increases patient's daily routines
Convenience, being punctured into when hemodialysis starts by syringe needle through skin can be repeatedly in puncture tube 11, and dialysis is completed and after heparin water sealing (sealing water) pipe
Pin pressing haemostatic is pulled out, later stage dialysis cost is low compared with existing conduit and nurses simpler（Existing dialysis catheter is saturating every time
All need to change calparine cap 5 and conduit skin exit dressing bag after analysis, and also conduit skin exit site, conduit are connect every time
Head and exit carry out disinfection processing）.Finally, due to which above-mentioned puncture tube 11 can be hidden in subcutaneously repeatedly, whole dialysis catheter is without outer
Part is put, aesthetic property preferably, is also beneficial to mitigate the psychological burden of patient.
For the ease of the understanding of those skilled in the art, further is made to the present invention with reference to two embodiments and accompanying drawing
Explanation.
Embodiment 1：
As shown in Figure 3, a kind of hemodialysis catheter punctured, including two be used to being retained in it is subcutaneous can puncture tube 11 repeatedly
It is used for the venous catheter main body 10 of indwelling with one, the inside of catheter main body 10 is provided with two cavities, and two can puncture repeatedly
Each correspondence is communicated pipe 11 with a cavity inside catheter main body 10, can puncture tube 11 repeatedly endcapped, can wear repeatedly
Thorn pipe 11 on be additionally provided with for it in the conduit fixed structure subcutaneously fixed.
The above-mentioned hemodialysis catheter punctured to can select and put pipe mode shown in Fig. 5（Dotted line is to bury in subcutaneous tunnel in figure
In road can repeatedly puncture tube 11 and insertion vein in catheter main body 10）, the insertion jugular vein or clavicle of catheter main body 10
Lower vein, two can insert in the hypodermic tunnel accomplished fluently and fixed by puncture tube 11 repeatedly, it is noted that after fixed can be anti-
The multiple each turning site of puncture tube 11 must assure that the situation that sharp turn/bending must not gently occur, finally by surface cannula port line
Suture（Stated to simplify, other Conventional processing steps such as cleaning, sterilization are all omitted, are not described specifically）.
Embodiment 2：
As shown in Figure 4, a kind of hemodialysis catheter punctured, including two be used to being retained in it is subcutaneous can puncture tube 11 repeatedly
It is used to be equipped with a cavity inside the venous catheter main body 10 of indwelling, catheter main body 10 with two, every can wear repeatedly
Thorn pipe 11 is correspondingly connected to a catheter main body 10, can puncture tube 11 repeatedly endcapped, can repeatedly on puncture tube 11 also
Provided with for it in the conduit fixed structure subcutaneously fixed.
The above-mentioned hemodialysis catheter punctured to can select and put pipe mode shown in Fig. 6（Dotted line is to bury in subcutaneous tunnel in figure
In road can repeatedly puncture tube 11 and insertion vein in catheter main body 10）, an insertion jugular vein of catheter main body 10, separately
Piece catheter main body 10 insert connected on subclavian vein, two catheter main bodies 10 puncture tube 11 can respectively insert and accomplish fluently repeatedly
Hypodermic tunnel in and it is fixed, in the same manner as in Example 1, it is fixed after can repeatedly each turning site of puncture tube 11 should be guaranteed that it is flat
It is slow, the situation of sharp turn/bending must not occur, finally again close surface cannula port with linear slit（To simplify statement, cleaning, sterilization etc.
Other Conventional processing steps are all omitted, are not described specifically）.
In addition, the above-mentioned hemodialysis catheter punctured, which also can select shown in Fig. 7, puts pipe mode（In figure dotted line for bury in
In hypodermic tunnel can repeatedly puncture tube 11 and insertion vein in catheter main body 10）, two catheter main bodies 10 insert respectively
What is connected on both sides jugular vein, two catheter main bodies 10 can insert the hypodermic tunnel accomplished fluently respectively by puncture tube 11 repeatedly（Subcutaneously
Tunnel is across neck）In and it is fixed, with it is foregoing put pipe mode as, it is fixed after can each turning site of puncture tube 11 should repeatedly
Ensure gentle, the situation of sharp turn/bending must not occur, finally again close surface cannula port with linear slit（To simplify statement, clean,
Other Conventional processing steps such as sterilization are all omitted, are not described specifically）.
In addition, the above-mentioned hemodialysis catheter punctured, which also can select shown in Fig. 8, puts pipe mode（In figure dotted line for bury in
In hypodermic tunnel can repeatedly puncture tube 11 and insertion vein in catheter main body 10）, two catheter main bodies 10 insert respectively
What is connected on both sides femoral vein, two catheter main bodies 10 can insert the hypodermic tunnel accomplished fluently respectively by puncture tube 11 repeatedly（Subcutaneous tunnel
Road is across belly）In and it is fixed, with it is foregoing any one put pipe mode as, it is fixed after can each turning part of puncture tube 11 repeatedly
Position be should be guaranteed that gently, and the situation of sharp turn/bending is not may occur in which, finally again closes surface cannula port with linear slit（To simplify statement,
Other Conventional processing steps such as cleaning, sterilization are all omitted, are not described specifically）.
In above-described embodiment 1 and 2, to avoid surface smooth（Smooth surface is more conducive to penetrate hypodermic tunnel）Can be anti-
Multiple puncture tube 11 down sliding transfer in hypodermic tunnel, above-mentioned conduit fixed structure includes being used for can puncture tube repeatedly by two
The connector 12a that 11 end is fixedly attached together.Skin around hypodermic tunnel is tightly connected with muscle not to be separated, by two
Root can puncture tube 11 repeatedly end be fixedly attached together after, due to hypodermic tunnel surrounding skin and the barrier effect of muscle,
Can preferably limit can puncture tube 11 repeatedly position, it is to avoid two can repeatedly puncture tube 11 all down sliding causes conduit master
The too deep situation of the insertion vein of body 10.
It is preferred that, as shown in Figure 10-12 and Figure 14（Herein using structures of the Figure 10-12 and Figure 14 to connector 12a
Illustrate, although the hemodialysis catheter that can be punctured in Figure 10-12 and Figure 14 uses the structure of embodiment 1, but need to carry
Wake up those skilled in the art it is noted that the connector 12a of structure shown in above-mentioned accompanying drawing be not only limited to used in embodiment 1 can
On the hemodialysis catheter of puncture, it is equally applicable in the application other embodiments）, connector 12a is including being fixedly connected
One can repeatedly the pin thread 12a1 of the end of puncture tube 11 and be fixedly connected on another can the end of puncture tube 11 repeatedly mother
Detain in 12a2, pin thread 12a1 insertion boxes 12a2 puncture tube 11 to connect together two repeatedly.It should be noted that
When connector 12a uses buckle structure, it is necessary to can hypodermic tunnel surface notch residing for the end of puncture tube 11 repeatedly, so
Pin thread 12a1 can be inserted in box 12a2 by human hand operation, again close the otch with linear slit after snapping connection.Need spy
Although not, it is emphasized that the present invention not to be between pin thread 12a1 and box 12a2 how to be connected together and the two phase interworking
The attachment structure of conjunction is what kind of elaborates, but it will be appreciated by those skilled in the art that, above-mentioned pin thread 12a1 and box
12a2 concrete structure can be selected as needed in the prior art, there are a variety of achievable the application in the prior art
The buckle structure of goal of the invention, these can realize that the buckle structure of goal of the invention can be applied to the application in theory.
Specifically, see Figure 12, it is above-mentioned can the end of puncture tube 11 repeatedly pass through the partition 11d closure in its inner chamber
Firmly, can the tube wall of puncture tube 11 repeatedly up extend above partition 11d and form lock for installing pin thread 12a1 and box 12a2
Detain installation cavity, pin thread 12a1 and box 12a2 each correspond to be arranged on one can be public repeatedly in the lock installation cavity of puncture tube 11
Detain 12a1 and include one and insert head 12a1a toward the bar shaped of outer lug, box 12a2 include one with bar shaped insert that head 12a1a matches it is slotting
Groove 12a2a, bar shaped insertion head 12a1a outer peripheral face is provided with sheet flank 12b, and sheet flank 12b outer is flushed in can be anti-
The multiple outer peripheral face of puncture tube 11 or positioned at can the outer peripheral face of puncture tube 11 repeatedly inner side, as shown in Figure 14, bar shaped insertion head 12a1a is inserted
Enter after slot 12a2a, sheet flank 12b exposes outside box 12a2, threading hole is offered on sheet flank 12b, by sheet
Flank 12b after skin closure is together with can pair can the end of puncture tube 11 repeatedly fix.By sheet flank 12b
Being arranged on bar shaped insertion head 12a1a outer peripheral faces and limit that its outer flushes in can the outer peripheral face of puncture tube 11 or positioned at can be anti-repeatedly
There is following benefit on the inside of the multiple outer peripheral face of puncture tube 11：1st, being set directly at compared to sheet flank 12b can be repeatedly outside puncture tube 11
On side face, above-mentioned be arranged on bar shaped insertion head 12a1a outer peripheral faces and limit that its outer flushes in sheet flank 12b can be repeatedly
The outer peripheral face of puncture tube 11 is penetrated during hypodermic tunnel, poling positioned at that can be more conducive to pipeline on the inside of the outer peripheral face of puncture tube 11 repeatedly
Be not in that sheet flank 12b scratches/pullled the situation of hypodermic tunnel wall, be conducive to mitigating hypodermic tunnel damage, reduce it is subcutaneous
Bleeding.2nd, after bar shaped insertion head 12a1a insertion slots 12a2a, sheet flank 12b exposes outside box 12a2 so that two
There can be a gap between the end of puncture tube 11 repeatedly, postoperative muscle can be gradually grown into the gap, this is for can be repeatedly
The fixation of the end of puncture tube 11 is also good.
In all embodiments of the present invention, it is preferred that above-mentioned to use structure shown in Fig. 9 by puncture tube 11 repeatedly：Its
Including expanded PTFE or polyurethane into outer layer 11a and internal layer 11b, provided with centre between outer layer 11a and internal layer 11b
Layer 11c, intermediate layer 11c are to pull out the flexible silicon glue-line for the hemostasis that can be bounced back immediately after pin or pull out high polymer elastic capable of self-healing after pin
Material layer.
In addition, as shown in Figure 12-14（Illustrated herein using Figure 12-14 pairs of conduit fixed structures, although Figure 12-14
For Figure 10 and 11 partial enlarged drawing, and the hemodialysis catheter that can be punctured in Figure 10 and 11 uses the structure of embodiment 1, but needs
Those skilled in the art are reminded it is noted that the conduit fixed structure of structure shown in accompanying drawing 12-14 is not only limited to be used in fact
Apply on the hemodialysis catheter punctured of example 1, it is equally applicable in the application other embodiments）, in the institute of the present invention
Have in embodiment, conduit fixed structure include being fixedly connected on can the front end of puncture tube 11 and/or end repeatedly sheet flank
12b（For using buckle structure by two can the end of puncture tube 11 is connected together repeatedly in the case of, content as before
And shown in Figure 12 and 14, can the sheet flank 12b of the end of puncture tube 11 repeatedly need to only be located at pin thread 12a1 bar shaped insertion head
12a1a is upper, can the end outer peripheral face of puncture tube 11 repeatedly without being arranged on）, threading hole is offered on sheet flank 12b,
Sheet flank 12b pair puncture tube 11 can be fixed repeatedly after skin closure is together with.
It is also preferred that as shown in Figure 12 and 14, in all embodiments of the present invention, conduit fixed structure includes solid
Surely be set in can the front end of puncture tube 11 and/or end repeatedly terylene collar 12c（The terylene collar is in the field of business also referred to as
“cuff”）.Terylene collar 12c can help fixation can puncture tube 11 repeatedly, reduce the probability of conduit sliding transfer, it is specific and
, because terylene collar 12c is formed using terylene woven, there is minim gap between fiber in speech, indwelling in after subcutaneous a period of time, with
The growth of muscle, it gradually can be with muscle adhesion together with, therefore can help the fixation can puncture tube 11 repeatedly well.
Finally, in the present invention, can puncture tube 11 repeatedly outer peripheral face provided with annular and/or spiral groove（Should
Annular and/or spiral groove is not shown in the accompanying drawings）.Can open up repeatedly on the outer peripheral face of puncture tube 11 annular and/or
The purpose of spiral groove also play a part of help can the spacing fixation of puncture tube 11 repeatedly, when postoperative muscle growth insert in groove
After can preferably avoid puncture tube 11 can sliding/rotating repeatedly.
Above-described embodiment is the present invention preferably implementation, and in addition, the present invention can be realized with other manner,
Any obvious replacement is within protection scope of the present invention on the premise of not departing from the technical program design.
In order to allow those of ordinary skill in the art more easily to understand improvements of the present invention relative to prior art, this
Some accompanying drawings of invention and description have been simplified, and for the sake of clarity, present specification is omitted some other members
Element, those of ordinary skill in the art should be aware that these elements omitted also may make up present disclosure.
Claims (10)
1. the hemodialysis catheter that can be punctured, including for the venous catheter main body of indwelling（10）And for being retained in skin
Under can puncture tube repeatedly（11）, it is described can puncture tube repeatedly（11）Front end be connected to catheter main body（10）And and catheter main body
（10）Internal cavity is communicated, it is described can puncture tube repeatedly（11）Endcapped, it is described can puncture tube repeatedly（11）On also set
Have for it in the conduit fixed structure subcutaneously fixed.
2. the hemodialysis catheter according to claim 1 punctured, it is characterised in that：The haemodialysis punctured
Conduit includes two can puncture tube repeatedly（11）With a catheter main body（10）, the catheter main body（10）Inside is provided with two chambers
Road, described two can puncture tube repeatedly（11）Respective correspondence and catheter main body（10）An internal cavity is communicated.
3. the hemodialysis catheter according to claim 1 punctured, it is characterised in that：The haemodialysis punctured
Conduit includes two can puncture tube repeatedly（11）With two catheter main bodies（10）, the catheter main body（10）Inside is equipped with one
Cavity, every can puncture tube repeatedly（11）It is correspondingly connected to a catheter main body（10）.
4. the hemodialysis catheter punctured according to any one in claim 1-3, it is characterised in that：It is described can be anti-
Multiple puncture tube（11）Including expanded PTFE or polyurethane into outer layer（11a）And internal layer（11b）, the outer layer
（11a）And internal layer（11b）Between be provided with intermediate layer（11c）, the intermediate layer（11c）To pull out the bullet for the hemostasis that can be bounced back immediately after pin
Property layer of silica gel or pull out macromolecular material capable of self-healing layer after pin.
5. the hemodialysis catheter punctured according to Claims 2 or 3, it is characterised in that：The conduit fixed structure
Including for can puncture tube repeatedly by two（11）The connector that is fixedly attached together of end（12a）.
6. the hemodialysis catheter according to claim 5 punctured, it is characterised in that：The connector（12a）Including
Being fixedly connected on one can puncture tube repeatedly（11）The pin thread of end（12a1）And be fixedly connected on another and can puncture repeatedly
Pipe（11）The box of end（12a2）, the pin thread（12a1）Insert box（12a2）In so as to can puncture tube repeatedly by two
（11）Connect together.
7. the hemodialysis catheter according to claim 6 punctured, it is characterised in that：It is described can puncture tube repeatedly（11）
End pass through the partition in its inner chamber（11d）Block, it is described can puncture tube repeatedly（11）Tube wall up extend height
Go out partition（11d）Formed for installing pin thread（12a1）And box（12a2）Lock installation cavity, the pin thread（12a1）And it is female
Button（12a2）Each correspondence be arranged on one can puncture tube repeatedly（11）Lock installation cavity in, the pin thread（12a1）Including one
Toward the bar shaped insertion head of outer lug（12a1a）, the box（12a2）Including one head is inserted with the bar shaped（12a1a）Matching
Slot（12a2a）, the bar shaped insertion head（12a1a）Outer peripheral face be provided with sheet flank（12b）, the sheet flank
（12b）Flush in can puncture tube repeatedly for outer（11）Outer peripheral face or positioned at can puncture tube repeatedly（11）The inner side of outer peripheral face, institute
State bar shaped insertion head（12a1a）Insert slot（12a2a）Afterwards, the sheet flank（12b）Expose in box（12a2）Outside, institute
State sheet flank（12b）On offer threading hole, by the sheet flank（12b）Can be to described after skin closure is together with
Can puncture tube repeatedly（11）End fix.
8. the hemodialysis catheter punctured according to any one in claim 1-3, it is characterised in that：The conduit
Fixed structure includes being fixedly connected on can puncture tube repeatedly（11）Front end and/or the sheet flank of end（12b）, the sheet side
The wing（12b）On offer threading hole, by the sheet flank（12b）Can repeatedly it be worn to described after skin closure is together with
Thorn pipe（11）Fix.
9. the hemodialysis catheter punctured according to any one in claim 1-3, it is characterised in that：The conduit
Fixed structure includes fixed be set in can puncture tube repeatedly（11）Front end and/or the terylene collar of end（12c）.
10. the hemodialysis catheter punctured according to any one in claim 1-3, it is characterised in that：It is described can
Puncture tube repeatedly（11）Outer peripheral face provided with annular and/or spiral groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710121796.XA CN106938064B (en) | 2017-03-02 | 2017-03-02 | Puncture hemodialysis catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710121796.XA CN106938064B (en) | 2017-03-02 | 2017-03-02 | Puncture hemodialysis catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106938064A true CN106938064A (en) | 2017-07-11 |
| CN106938064B CN106938064B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710121796.XA Active CN106938064B (en) | 2017-03-02 | 2017-03-02 | Puncture hemodialysis catheter |
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| CN (1) | CN106938064B (en) |
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|---|---|
| CN106938064B (en) | 2023-11-24 |
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