CN214911430U - Peritoneal dialysis tunnel needle - Google Patents
Peritoneal dialysis tunnel needle Download PDFInfo
- Publication number
- CN214911430U CN214911430U CN202120820775.9U CN202120820775U CN214911430U CN 214911430 U CN214911430 U CN 214911430U CN 202120820775 U CN202120820775 U CN 202120820775U CN 214911430 U CN214911430 U CN 214911430U
- Authority
- CN
- China
- Prior art keywords
- needle
- peritoneal dialysis
- tunnel
- dialysis catheter
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000502 dialysis Methods 0.000 title claims abstract description 135
- 210000000683 abdominal cavity Anatomy 0.000 abstract description 6
- 230000003187 abdominal effect Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 208000015181 infectious disease Diseases 0.000 description 5
- 238000007920 subcutaneous administration Methods 0.000 description 4
- 206010052428 Wound Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 3
- 230000035876 healing Effects 0.000 description 3
- 206010034674 peritonitis Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000002627 tracheal intubation Methods 0.000 description 2
- 241001136800 Anas acuta Species 0.000 description 1
- 206010016717 Fistula Diseases 0.000 description 1
- 101000794020 Homo sapiens Bromodomain-containing protein 8 Proteins 0.000 description 1
- 101001006782 Homo sapiens Kinesin-associated protein 3 Proteins 0.000 description 1
- 101000615355 Homo sapiens Small acidic protein Proteins 0.000 description 1
- WGKGADVPRVLHHZ-ZHRMCQFGSA-N N-[(1R,2R,3S)-2-hydroxy-3-phenoxazin-10-ylcyclohexyl]-4-(trifluoromethoxy)benzenesulfonamide Chemical compound O[C@H]1[C@@H](CCC[C@@H]1N1C2=CC=CC=C2OC2=C1C=CC=C2)NS(=O)(=O)C1=CC=C(OC(F)(F)F)C=C1 WGKGADVPRVLHHZ-ZHRMCQFGSA-N 0.000 description 1
- 102100021255 Small acidic protein Human genes 0.000 description 1
- 210000003567 ascitic fluid Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003890 fistula Effects 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011034 membrane dialysis Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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- External Artificial Organs (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a peritoneal dialysis tunnel needle, which relates to the technical field of medical appliances; the peritoneal dialysis needle comprises a U-shaped peritoneal dialysis tunnel needle body; the peritoneal dialysis tunnel needle body comprises a needle point at the front end of a peritoneal dialysis catheter tunnel needle, a first curved needle rod section of the peritoneal dialysis catheter tunnel needle, a second curved needle rod section of the peritoneal dialysis catheter tunnel needle, a holding needle rod of the peritoneal dialysis catheter tunnel needle and a plurality of sections of adjustable sections of the holding needle rod of the peritoneal dialysis catheter tunnel needle; the tail end of the peritoneal dialysis catheter tunnel needle holding needle rod is provided with an external thread needle tail; one end of the adjustable section of the peritoneal dialysis catheter tunnel needle holding needle rod is an external thread part of the adjustable section of the peritoneal dialysis catheter tunnel needle holding needle rod, and the other end of the adjustable section of the peritoneal dialysis catheter tunnel needle holding needle rod is an internal thread part of the adjustable section of the peritoneal dialysis catheter tunnel needle holding needle rod; the utility model can adjust the length, and can arrange the outer end of the peritoneal dialysis catheter into the abdominal skin in a U shape, thereby preventing the abdominal cavity liquid from leaking to the abdominal skin according to the principle of the communicating vessel.
Description
Technical Field
The utility model relates to the technical field of medical appliances, concretely relates to peritoneal dialysis tunnel needle.
Background
Step-introduction peritoneal dialysis catheterization (SMAP) is to embed the end of a peritoneal dialysis catheter under the abdominal skin when the catheter is implanted, so as to provide sufficient time for good healing of wounds And the catheter, about 4 to 5 weeks, And when peritoneal dialysis treatment needs to be started in the future, the catheter outlet can be reconstructed for peritoneal dialysis. The catheter is implanted by a pre-implanted catheter and is buried under the skin, so that the path of external pollution to the abdominal cavity and the tunnel can be avoided, and the incidence rate of peritonitis and export infection can be reduced. In addition to alleviating catheter-induced complications such as infection, leakage, etc., it is also expected to shorten hospital stays, promote success of planned dialysis, and more importantly, avoid emergency dialysis and its associated risks and complications, and allow the patient to more smoothly enter peritoneal dialysis treatment. Compared with the mode of pre-establishing a blood fistula for a patient receiving hemodialysis, the pre-intubation method can effectively plan the intubation and the subsequent peritoneal dialysis, and simultaneously prepares for the peritoneal dialysis in advance.
However, the conventional peritoneal dialysis catheter used in the peritoneal dialysis operation needs to be threaded out of the body, the length cannot be adjusted, the condition of insufficient length can be caused, and infection is easy to occur.
Disclosure of Invention
An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's peritoneal dialysis tunnel needle, both adjustable length can be the U type again with peritoneal dialysis catheter outer end and arrange the belly subcutaneous in, according to the linker principle, prevents peritoneal fluid seepage to the belly subcutaneous.
In order to achieve the above object, the utility model adopts the following technical scheme: it comprises a peritoneal dialysis tunnel needle body; the whole body of the peritoneal dialysis tunnel needle body is U-shaped; the peritoneal dialysis tunnel needle body comprises a needle point at the front end of the peritoneal dialysis catheter tunnel needle, a first curved needle rod section of the peritoneal dialysis catheter tunnel needle, a second curved needle rod section of the peritoneal dialysis catheter tunnel needle and a holding needle rod of the peritoneal dialysis catheter tunnel needle; the tail end of the peritoneal dialysis catheter tunnel needle holding needle rod is provided with an external thread needle tail; the external thread needle tail is used for dragging the peritoneal dialysis catheter;
furthermore, the peritoneal dialysis catheter needle holding needle rod adjustable section also comprises a plurality of sections of peritoneal dialysis catheter tunnel needle holding needle rod adjustable sections, one end of each peritoneal dialysis catheter tunnel needle holding needle rod adjustable section is an external thread part of the peritoneal dialysis catheter tunnel needle holding needle rod adjustable section, and the other end of each peritoneal dialysis catheter tunnel needle holding needle rod adjustable section is an internal thread part of the peritoneal dialysis catheter tunnel needle holding needle rod adjustable section; the internal thread part of the adjustable section of the holding needle rod of the peritoneal dialysis catheter tunnel needle can be in threaded connection with the external thread needle tail of the holding needle rod of the peritoneal dialysis catheter tunnel needle; the external thread part of the adjustable section of the holding needle rod of the peritoneal dialysis catheter tunnel needle is used for dragging the peritoneal dialysis catheter;
furthermore, the length of each section of adjustable section of the peritoneal dialysis catheter tunnel needle holding needle rod is 5 cm;
further, the length of the needle tip at the front end of the peritoneal dialysis catheter tunnel needle is 0.5-1 cm;
furthermore, the whole curved needle rod section of the peritoneal dialysis catheter tunnel needle is arc-shaped, the radius of the arc is 8cm, the central angle is 36 degrees, and the length of the arc is 4-6 cm;
furthermore, the curved needle rod section II of the peritoneal dialysis catheter tunnel needle is integrally arc-shaped, the radius of the arc is 3.6cm, the central angle is 110 degrees, and the length of the arc is 6-8 cm;
further, the length of the holding needle rod of the peritoneal dialysis catheter tunnel needle is 7-10 cm.
After adopting above-mentioned structure, compare with prior art, a peritoneal dialysis tunnel needle, have following advantage:
1. the adjustable section of the holding needle rod of the peritoneal dialysis catheter tunnel needle can be increased or reduced according to the weight of a patient, so that the peritoneal dialysis catheter tunnel needle is suitable for different body types of patients and has universal applicability;
2. the peritoneal dialysis tunnel needle body can pull the peritoneal dialysis catheter to be placed under the abdomen skin; the peritoneal dialysis tunnel needle is U-shaped as a whole, the dragged peritoneal dialysis catheter is also in a U-shaped state under the abdominal skin, and leakage of abdominal cavity liquid can be prevented according to the principle of the communicating vessel;
3. two sections of curved needle rods with different radians are used for forming the subcutaneous tunnel, and the matching of the two sections of curved needle rods with different radians is more beneficial to the penetration of the tunnel needle;
4. the external thread needle tail of the holding needle rod of the peritoneal dialysis catheter tunnel needle or the external thread part of the adjustable section of the holding needle rod of the peritoneal dialysis catheter tunnel needle is used for pulling the peritoneal dialysis catheter, so that the subsequent peritoneal dialysis operation is facilitated;
5. the peritoneal dialysis catheter is embedded under the skin of a patient, so that a path of contamination of the abdominal cavity and the tunnel to the outside can be avoided, the incidence rate of peritonitis and outlet infection is reduced, sufficient time is provided for good healing of a wound and the catheter, and the catheter outlet is reconstructed for peritoneal dialysis when peritoneal dialysis treatment needs to be started in the future;
6. has the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals:
1. a needle point at the front end of the peritoneal dialysis catheter tunnel needle; 2. a first curved needle rod section of the peritoneal dialysis catheter tunnel needle; 3. a second curved needle rod section of the peritoneal dialysis catheter tunnel needle; 4. the peritoneal dialysis catheter tunnel needle holds the needle rod; 5. the external thread pin tail; 6. the peritoneal dialysis catheter tunnel needle holds the external thread part of the adjustable section of the needle rod; 7. the peritoneal dialysis catheter tunnel needle holds the internal threaded portion of the adjustable section of the needle shaft.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the technical solution adopted by the present embodiment is: it comprises a peritoneal dialysis tunnel needle body; the whole body of the peritoneal dialysis tunnel needle body is U-shaped; the peritoneal dialysis catheter dragged by the peritoneal dialysis catheter is also in a U-shaped state under the abdominal skin, and can prevent leakage of abdominal cavity liquid according to the principle of a communicating vessel; the peritoneal dialysis catheter is embedded under the skin of a patient, so that a path of contamination of the abdominal cavity and the tunnel to the outside can be avoided, the incidence rate of peritonitis and outlet infection is reduced, sufficient time is provided for good healing of a wound and the catheter, and the catheter outlet can be reconstructed for peritoneal dialysis when peritoneal dialysis treatment needs to be started in the future;
the peritoneal dialysis tunnel needle body comprises a needle point 1 at the front end of the peritoneal dialysis catheter tunnel needle, a first curved needle rod section 2 of the peritoneal dialysis catheter tunnel needle, a second curved needle rod section 3 of the peritoneal dialysis catheter tunnel needle and a holding needle rod 4 of the peritoneal dialysis catheter tunnel needle, wherein an external thread needle tail 5 is arranged at the tail end of the holding needle rod 4 of the peritoneal dialysis catheter tunnel needle; the external thread needle tail 5 is used for dragging the peritoneal dialysis catheter, so that the peritoneal dialysis catheter can be conveniently placed under the skin, and the subsequent peritoneal dialysis operation is convenient;
if the length of the peritoneal dialysis tunnel needle is not long enough, a plurality of sections of peritoneal dialysis catheter tunnel needles holding adjustable sections of needle rods can be added according to needs; one end of the adjustable section of the peritoneal dialysis catheter tunnel needle holding needle rod is provided with a peritoneal dialysis catheter tunnel needle holding needle rod adjustable section external thread part 6, and the other end is provided with a peritoneal dialysis catheter tunnel needle holding needle rod adjustable section internal thread part 7; the adjustable section internal thread part 7 of the holding needle rod of the peritoneal dialysis catheter tunnel needle can be in threaded connection with the external thread needle tail 5 of the holding needle rod of the peritoneal dialysis catheter tunnel needle, and at the moment, the adjustable section external thread part 6 of the holding needle rod of the peritoneal dialysis catheter tunnel needle is used for drawing the peritoneal dialysis catheter;
the length of the needle point 1 at the front end of the peritoneal dialysis catheter tunnel needle is 0.5-1cm, so that the peritoneal dialysis catheter tunnel needle is convenient to pierce the skin; the length of a curved needle rod section I2 of the peritoneal dialysis catheter tunnel needle is 4-6cm, and the curved needle rod section I is an arc corresponding to a central angle of 36 degrees, and the radius of the arc is 8 cm; the length of the curved needle rod section II 3 of the peritoneal dialysis catheter tunnel needle is 6-8cm, and the curved needle rod section II is a corresponding arc with a radius of 3.6cm and a central angle of 110 degrees; the two sections of curved needle rods with different radians are used for forming a subcutaneous tunnel, and the matching of the two sections of curved needle rods with different radians is more beneficial to the penetration of a tunnel needle; the length of the holding needle rod 4 of the peritoneal dialysis catheter tunnel needle is 7-10cm, and the overall diameter of the holding needle rod is 0.25-0.3 cm; peritoneal dialysis catheter tunnel needle grips the needle bar adjustable section and is one section for 5cm, and the quantity that membrane dialysis catheter tunnel needle gripped the needle bar adjustable section can increase or reduce according to the fat thin of patient, is applicable to different patient's sizes, has universal applicability more.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A peritoneal dialysis tunnel needle, which is characterized by comprising a peritoneal dialysis tunnel needle body; the whole body of the peritoneal dialysis tunnel needle body is U-shaped; the peritoneal dialysis tunnel needle body comprises a needle point at the front end of the peritoneal dialysis catheter tunnel needle, a first curved needle rod section of the peritoneal dialysis catheter tunnel needle, a second curved needle rod section of the peritoneal dialysis catheter tunnel needle and a holding needle rod of the peritoneal dialysis catheter tunnel needle; the tail end of the peritoneal dialysis catheter tunnel needle holding needle rod is provided with an external thread needle tail; the external thread needle tail is used for dragging the peritoneal dialysis catheter.
2. The peritoneal dialysis tunnel needle of claim 1 further comprising a plurality of sections of peritoneal dialysis catheter tunnel needle holding needle rod adjustable sections, one end of the peritoneal dialysis catheter tunnel needle holding needle rod adjustable sections being a peritoneal dialysis catheter tunnel needle holding needle rod adjustable section external threaded portion, the other end being a peritoneal dialysis catheter tunnel needle holding needle rod adjustable section internal threaded portion; the internal thread part of the adjustable section of the holding needle rod of the peritoneal dialysis catheter tunnel needle can be in threaded connection with the external thread needle tail of the holding needle rod of the peritoneal dialysis catheter tunnel needle; the external thread part of the adjustable section of the holding needle rod of the peritoneal dialysis catheter tunnel needle is used for dragging the peritoneal dialysis catheter.
3. The peritoneal dialysis tunnel needle of claim 2 wherein each section of peritoneal dialysis catheter tunnel needle holds an adjustable section of the needle shaft that is 5cm in length.
4. The peritoneal dialysis tunnel needle of claim 1 or 2, wherein the length of the needle tip at the front end of the peritoneal dialysis catheter tunnel needle is 0.5-1 cm.
5. The peritoneal dialysis tunnel needle of claim 1 or 2, wherein the curved needle shaft section of the peritoneal dialysis catheter tunnel needle is a circular arc in its entirety, the radius of the circular arc is 8cm, the central angle is 36 °, and the length of the circular arc is 4-6 cm.
6. The peritoneal dialysis tunnel needle of claim 1 or 2, wherein the curved needle shaft section of the peritoneal dialysis catheter tunnel needle is circular arc-shaped as a whole, the radius of the circular arc is 3.6cm, the central angle is 110 °, and the length of the circular arc is 6-8 cm.
7. The peritoneal dialysis tunnel needle of claim 1 or 2 wherein the length of the peritoneal dialysis catheter tunnel needle holding needle rod is 7-10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120820775.9U CN214911430U (en) | 2021-04-21 | 2021-04-21 | Peritoneal dialysis tunnel needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120820775.9U CN214911430U (en) | 2021-04-21 | 2021-04-21 | Peritoneal dialysis tunnel needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214911430U true CN214911430U (en) | 2021-11-30 |
Family
ID=79043414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120820775.9U Expired - Fee Related CN214911430U (en) | 2021-04-21 | 2021-04-21 | Peritoneal dialysis tunnel needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214911430U (en) |
-
2021
- 2021-04-21 CN CN202120820775.9U patent/CN214911430U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |