CN209437761U - A kind of puncture built-in type peritoneum dialysis catheter - Google Patents
A kind of puncture built-in type peritoneum dialysis catheter Download PDFInfo
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- CN209437761U CN209437761U CN201821335512.3U CN201821335512U CN209437761U CN 209437761 U CN209437761 U CN 209437761U CN 201821335512 U CN201821335512 U CN 201821335512U CN 209437761 U CN209437761 U CN 209437761U
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Abstract
The utility model relates to a kind of puncture built-in type peritoneum dialysis catheters, including puncture needle, guidance seal wire, expander and peritoneal dialysis tube body；Wherein, guidance seal wire can be threaded through in the inner cavity of puncture needle or expander, and expander can be threaded through in the inner cavity of peritoneal dialysis tube body；Puncture needle includes needle stand, needle body and needle point, and the tip of needle point is round blunt tack；Peritoneal dialysis tube body includes the successively catheter body of integrally connected, catheter drainage section and tip, and the inside of catheter body, catheter drainage section and tip has the continuous cavity to match with expander.The proximal end of catheter body has the flat mouth that penetrates for expander, and the tip of expander can be penetrated by the proximal end of catheter body, sequentially pass through the processus aboralis of catheter body and catheter drainage section for tip outside, and peritoneal dialysis tube body can be released forward along the length direction of expander.The utility model has the characteristics that structure is simple, manufacturing cost is cheap, is widely used, being easy to universal.
Description
Technical field
The utility model relates to a kind of medical instruments, specifically about a kind of puncture built-in type peritoneum dialysis catheter.
Background technique
Peritoneal dialysis is by intraperitoneal perfusion, discharge peritoneal dialysis solution, reaching all kinds of uremic toxins' mesh of discharge repeatedly
A kind for the treatment of method, be mainly used for patients with renal failure.There are three types of traditional peritoneum dialysis catheter implantation modes: 1, operation is cut
Stomach wall is opened, peritoneum dialysis catheter is placed in, this method is the most frequently used, but cutting operation needs carry out under the conditions of operating room, and wound is big, grasps
Making complicated, the postoperative healing time for generally requiring 2 weeks could use；2, pipe is set using laparoscopic technique, party's law technology is complicated,
It is few to use；3, merging peritoneum dialysis catheter is punctured using seldinger technology, it is simple and easy.
But the defect of existing puncture and intubation method is: 1) using sharp keen puncture pin puncture, do not dash forward into abdominal cavity
It is broken to feel, it can not judge whether needle point enters abdominal cavity in puncture process, it is even more so particularly with the patient of not ascites；2) needle
Sharp benefit, into after abdominal cavity, the risk for damaging intra-abdominal organ is big；3) in art using can avulsion epitheca, due to the presence of epitheca,
Abdomen manages thoroughly and is combined defective tightness with peritonaeum opening, and the postoperative peritoneal dialysis treatment that carries out in a short time is easy to appear leakage；It 4) is to make to lead
Pipe tip is successfully placed to vesicorectal pouch, is individually built into stiff guide wire as support in conduit toward contact needs and is adjusted.
Summary of the invention
That in view of the above problems, the object of the present invention is to provide a kind of structures is simple, manufacturing cost is cheap, using wide
It is general, be easy to universal puncture built-in type peritoneum dialysis catheter.
To achieve the above object, the utility model takes following technical scheme: a kind of puncture built-in type peritoneum dialysis catheter,
It is characterized in that, including puncture needle (10), guidance seal wire (20), expander (30) and peritoneal dialysis tube body (40)；Wherein, institute
Stating guidance seal wire (20) can be threaded through in the inner cavity of the puncture needle (10) or the expander (30), the expander (30)
It can be threaded through in the inner cavity of the peritoneal dialysis tube body (40).
In a preferred embodiment, the puncture needle (10) is not damaged body cavity puncture needle, the not damaged body cavity
Puncture needle includes needle stand (11), needle body (12) and needle point (13), and the tip of the needle point (13) is round blunt tack.
In a preferred embodiment, the inside of the needle stand (11), needle body (12) and needle point (13) have with it is described
The continuous cavity that guidance seal wire (20) matches, the guidance seal wire (20) can be penetrated by the needle stand (11), pass through the needle
It is pierced by after body (12) from the needle point (13).
In a preferred embodiment, the expander (30) proximal end connect female Luer, distally have with it is described
The tip that guidance seal wire (20) matches.
In a preferred embodiment, the peritoneal dialysis tube body (40) includes the catheter body of successively integrally connected
(41), catheter drainage section (42) and tip (43), and the catheter body (41), catheter drainage section (42) and tip (43) it is interior
Portion has the continuous cavity to match with the expander (30)；The proximal end of the catheter body (41), which has, supplies the expander
(30) tip of the flat mouth penetrated, the expander (30) can be penetrated by the proximal end of the catheter body (41), be sequentially passed through described
Outside for the tip (43), and the peritoneal dialysis tube body (40) can for the processus aboralis of catheter body (41) and catheter drainage section (42)
Length direction along the expander (30) is released forward.
In a preferred embodiment, several side openings (45), distal section are uniformly distributed on the catheter drainage section (42)
In curly, the distal section of the catheter drainage section (42) is assembled in the expander (30) and the peritoneal dialysis tube body (40)
Original state afterwards is straightened, and restores curly after the peritoneal dialysis tube body (40) is released forward.
In a preferred embodiment, the tip (43) is connected to the distal end of the catheter drainage section (42), described
Tip (43) is in shrinking shape and has certain degree of hardness, and the tip (43) and the tip of the expander (30) match.
In a preferred embodiment, the catheter body (41) is made of medical macromolecular materials, in the catheter body
(42) external to be provided at least one terylene set (44).
In a preferred embodiment, the peritoneal dialysis tube body (40) may be designed as dual-polyester set gooseneck, double
Terylene covers straight tube, single terylene set gooseneck or single terylene and covers straight tube.
In a preferred embodiment, the surface of the needle body (12) and the surface of the expander (30) have mark
Remember scale.
Because the utility model adopts the above technical scheme, it has the following advantages: for needing maintenance peritoneal dialysis
Patient, the utility model has the advantage that 1) peritoneum dialysis catheter merging process greatly simplifies, can local anaesthesia leave the bed other behaviour
Make, wound is small, is not necessarily to cutting operation；2) it is clear to puncture feel, puncture needle has apparent breakthrough sense when passing through peritonaeum, can be used as
The judgement of paracentesis depth is for foundation；3) it easily determines whether needle point enters abdominal cavity, especially in no seroperitoneum, relies on
Puncturing feel can determine whether needle point enters abdominal cavity；4) puncture needle needle point is greatly reduced to the damage wind of abdominal visceral browser
Danger；5) thicker than expander due to peritoneum dialysis catheter, after conduit merging, peritonaeum opening tightly wraps up conduit, very close to each other, reduces abdomen
Film dialyse leakage risk, can early postoperation start peritoneal dialysis treatment, for treatment patient striven for the time；6) peritoneum dialysis catheter to
After preceding release, it can be used expander as peritoneum dialysis catheter inner support adjustment peritoneum dialysis catheter latter end in intraperitoneal position, just
In being successfully placed to vesicorectal pouch, which, due to the protection of peritoneum dialysis catheter, also avoids the mistake without using inner guide wire instead
The risk of journey damage abdominal visceral browser.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model puncture needle；
Fig. 2 is the structural schematic diagram of the utility model guidance seal wire；
Fig. 3 is the structural schematic diagram of the utility model expander；
Fig. 4 is the structural schematic diagram of the utility model peritoneal dialysis tube body；
Fig. 5 is the structural schematic diagram guided after seal wire, expander and the assembly of peritoneal dialysis tube body；
Fig. 6 be expander and peritoneal dialysis tube body assembly after and by peritoneal dialysis tube body release after structural representation
Figure；
Fig. 7 is the structural schematic diagram of dual-polyester set gooseneck；
Fig. 8 is the structural schematic diagram of dual-polyester set straight tube；
Fig. 9 is the structural schematic diagram of single terylene set gooseneck；
Figure 10 is the structural schematic diagram of single terylene set straight tube.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.It should be appreciated, however, that attached drawing mentions
For only for more fully understanding the utility model, they should not be interpreted as limitations of the present invention.
As shown in fig. 1 to fig. 4, peritoneum dialysis catheter provided by the utility model includes puncture needle 10, guidance seal wire 20, expansion
Device 30 and peritoneal dialysis tube body 40.Guidance seal wire 20 can be threaded through in the inner cavity of puncture needle 10 or expander 30, expander 30
It can be threaded through in the inner cavity of peritoneal dialysis tube body 40.
In a preferred embodiment, puncture needle 10 is not damaged body cavity puncture needle, the not damaged body cavity puncture needle packet
Needle stand 11, needle body 12 and needle point 13 are included, and the tip of needle point 13 is round blunt tack, the smooth of the edge impulse- free robustness.
In a preferred embodiment, the inside of needle stand 11, needle body 12 and needle point 13 has and guidance 20 phase of seal wire
The continuous cavity matched, guidance seal wire 20 can be penetrated by needle stand 11, be pierced by after needle body 12 from needle point 13.
In a preferred embodiment, the surface of needle body 12 has reference mark.
In a preferred embodiment, the proximal end of expander 30 connects female Luer, distally has and guidance seal wire 20
The surface at the tip to match, expander 30 has reference mark.Female Luer can play the peritoneum dialysis catheter for preventing housing
The effect that ontology 40 slides backward, while guiding seal wire convenient for merging or connecing syringe etc..
In a preferred embodiment, peritoneal dialysis tube body 40 includes catheter body 41, the conduit of successively integrally connected
Drainage Section 42 and tip 43, and the inside of catheter body 41, catheter drainage section 42 and tip 43 has and matches with expander 30
Continuous cavity.The proximal end of catheter body 41 has the flat mouth penetrated for expander 30, and the tip of expander 30 can be by catheter body 41
Proximal end penetrates, sequentially pass through the processus aboralis of catheter body 41 and catheter drainage section 42 for tip 43 outside, and peritoneal dialysis tube body 40
It can be released forward along the length direction of expander 30.
In a preferred embodiment, be uniformly distributed several side openings 45 in catheter drainage section 42, distal section in curly,
Original state of the distal section of catheter drainage section 42 after expander 30 and peritoneal dialysis tube body 40 assemble is straightened (such as Fig. 5 institute
Show), restore curly (as shown in Figure 6) after peritoneal dialysis tube body 40 is released forward.
In a preferred embodiment, tip 43 is connected to the distal end of catheter drainage section 42, tip 43 in shrinking shape simultaneously
There is certain degree of hardness, and tip 43 and the tip of expander 30 match, passes through tough and tensile anatomical structure convenient for breaking through.
In a preferred embodiment, catheter body 41 is made of medical macromolecular materials, soft flexible, is not easy to be rolled over
Curved blocking.Meanwhile at least one terylene set 44 is provided with outside catheter body 41.
In a preferred embodiment, peritoneal dialysis tube body 40 can be designed to as needed different shape to be suitable for
Adult and children, including dual-polyester set gooseneck (as shown in Figure 7), dual-polyester set straight tube (as shown in Figure 8), single terylene cover gooseneck
Manage (as shown in Figure 9) and single terylene set straight tube (as shown in Figure 10).
When being placed in the peritoneum dialysis catheter of the utility model with piercing method, patient first carries out routine disinfection, paving aseptic towel, office
Portion's infiltration anesthesia, in abdomen with knife blade cut skin 1cm, then with puncture needle 10 from skin cut oblique direction pubis
Joint direction is punctured, and is broken through sense according to 10 scale mark of puncture needle and puncture and is judged paracentesis depth, until having when peritonaeum obvious
Resistance, i.e. the needle point 13 of prompt puncture needle 10, will from the needle stand 11 of puncture needle 10 into abdominal cavity after obvious breakthrough sense occurs
It guides seal wire 20 to be placed in intraperitoneal, pulls out puncture needle 10；It is assembled with 30 housing peritoneal dialysis tube body 40 of expander, along guidance
Seal wire 20 probes into forward (as shown in Figure 5), successively expands and bring into abdominal cavity the leading portion of peritoneal dialysis tube body 40；The process is complete
Journey has guidance seal wire 20 to protect, and after the leading portion of peritoneal dialysis tube body 40 enters abdominal cavity chamber, removal guidance seal wire 20 keeps expanding
Prop 30 is motionless, pushes ahead peritoneal dialysis tube body 40, and the leading portion of peritoneum dialysis catheter restores curly (such as Fig. 6 institute at this time
Show), then hand holds expander 30 and peritoneal dialysis tube body 40 continues to move ahead, and can be that bracket adjustment peritonaeum is saturating with expander 30
The leading portion for analysing tube body 40 is placed in vesicorectal pouch, and fixed peritoneal dialysis tube body 40 pulls out expander 30；It is last as needed
Fixed 44 position of terylene, skin suture.
The various embodiments described above are merely to illustrate the utility model, wherein the structure of each component, connection type and manufacture craft
Etc. may be changed, all equivalents and improvement carried out on the basis of technical solutions of the utility model,
It should not exclude except the protection scope of the utility model.
Claims (10)
1. a kind of puncture built-in type peritoneum dialysis catheter, which is characterized in that including puncture needle (10), guidance seal wire (20), expander
(30) and peritoneal dialysis tube body (40)；
Wherein, guidance seal wire (20) can be threaded through in the inner cavity of the puncture needle (10) or the expander (30), described
Expander (30) can be threaded through in the inner cavity of the peritoneal dialysis tube body (40).
2. a kind of puncture built-in type peritoneum dialysis catheter according to claim 1, which is characterized in that the puncture needle (10) is
Not damaged body cavity puncture needle, the not damaged body cavity puncture needle include needle stand (11), needle body (12) and needle point (13), and the needle
The tip of sharp (13) is round blunt tack.
3. a kind of puncture built-in type peritoneum dialysis catheter according to claim 2, which is characterized in that the needle stand (11), needle
The inside of body (12) and needle point (13) has the continuous cavity to match with guidance seal wire (20), the guidance seal wire (20)
It can be penetrated by the needle stand (11), be pierced by after passing through the needle body (12) from the needle point (13).
4. a kind of puncture built-in type peritoneum dialysis catheter according to claim 1, which is characterized in that the expander (30)
Proximal end connects female Luer, distally has the tip to match with guidance seal wire (20).
5. a kind of puncture built-in type peritoneum dialysis catheter according to claim 1, which is characterized in that the peritoneum dialysis catheter sheet
Body (40) includes catheter body (41), catheter drainage section (42) and the tip (43) of successively integrally connected, and the catheter body (41),
The inside of catheter drainage section (42) and tip (43) has the continuous cavity to match with the expander (30)；The catheter body
(41) proximal end has the flat mouth penetrated for the expander (30), and the tip of the expander (30) can be by the catheter body
(41) proximal end penetrates, and sequentially passes through the processus aboralis of the catheter body (41) and catheter drainage section (42) for the tip (43)
Outside, and the peritoneal dialysis tube body (40) can be released forward along the length direction of the expander (30).
6. a kind of puncture built-in type peritoneum dialysis catheter according to claim 5, which is characterized in that the catheter drainage section
(42) it is uniformly distributed on several side openings (45), distal section is in curly, and the distal section of the catheter drainage section (42) is in the expansion
Original state after device (30) is assembled with the peritoneal dialysis tube body (40) is straightened, in the peritoneal dialysis tube body (40)
Restore curly after releasing forward.
7. a kind of puncture built-in type peritoneum dialysis catheter according to claim 5, which is characterized in that tip (43) connection
In the distal end of the catheter drainage section (42), the tip (43) is in shrinking shape and has a certain degree of hardness, and the tip (43) with
The tip of the expander (30) matches.
8. a kind of puncture built-in type peritoneum dialysis catheter according to claim 5, which is characterized in that the catheter body (41) by
Medical macromolecular materials are constituted, and are provided at least one terylene set (44) outside the catheter body (41).
9. according to claim 1 to a kind of 8 described in any item puncture built-in type peritoneum dialysis catheters, which is characterized in that the abdomen
Film dialysis tube body (40) may be designed as dual-polyester set gooseneck, dual-polyester set straight tube, single terylene set gooseneck or single terylene set
Straight tube.
10. a kind of puncture built-in type peritoneum dialysis catheter according to claim 2 or 3, which is characterized in that the needle body (12)
Surface and the expander (30) surface have reference mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335512.3U CN209437761U (en) | 2018-08-17 | 2018-08-17 | A kind of puncture built-in type peritoneum dialysis catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335512.3U CN209437761U (en) | 2018-08-17 | 2018-08-17 | A kind of puncture built-in type peritoneum dialysis catheter |
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| Publication Number | Publication Date |
|---|---|
| CN209437761U true CN209437761U (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821335512.3U Active CN209437761U (en) | 2018-08-17 | 2018-08-17 | A kind of puncture built-in type peritoneum dialysis catheter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744067A (en) * | 2020-07-29 | 2020-10-09 | 昆明医科大学第一附属医院 | Peritoneal dialysis catheter puncture device |
| CN115300696A (en) * | 2022-08-29 | 2022-11-08 | 吉林大学中日联谊医院 | Left atrium pigtail-shaped catheter with head end protection function for ECMO |
| CN115400279A (en) * | 2022-08-30 | 2022-11-29 | 吉林大学中日联谊医院 | Left atrium drainage catheter and fixing device for ECMO |
-
2018
- 2018-08-17 CN CN201821335512.3U patent/CN209437761U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744067A (en) * | 2020-07-29 | 2020-10-09 | 昆明医科大学第一附属医院 | Peritoneal dialysis catheter puncture device |
| CN115300696A (en) * | 2022-08-29 | 2022-11-08 | 吉林大学中日联谊医院 | Left atrium pigtail-shaped catheter with head end protection function for ECMO |
| CN115400279A (en) * | 2022-08-30 | 2022-11-29 | 吉林大学中日联谊医院 | Left atrium drainage catheter and fixing device for ECMO |
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