CN105148383A - Double-J tube and preparation method thereof - Google Patents
Double-J tube and preparation method thereof Download PDFInfo
- Publication number
- CN105148383A CN105148383A CN201510733161.6A CN201510733161A CN105148383A CN 105148383 A CN105148383 A CN 105148383A CN 201510733161 A CN201510733161 A CN 201510733161A CN 105148383 A CN105148383 A CN 105148383A
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- CN
- China
- Prior art keywords
- double
- conduit
- pipe
- hardness
- elastic ring
- 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.)
- Pending
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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
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/008—Implant devices for drainage of body fluids from one part of the body to another pre-shaped, for use in the urethral or ureteral tract
-
- 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
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
-
- 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
- A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
-
- 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
- A61M25/008—Strength or flexibility characteristics of the catheter tip
- A61M2025/0081—Soft tip
Abstract
The invention discloses a double-J tube and a preparation method thereof and belongs to a new product obtained through technology improvement and stage change on the basis of a traditional double-J tube. The double-J tube is composed of a pelvis end elastic ring, a bladder end elastic ring and a drainage pipe. The whole double-J tube is formed by connecting catheter ends of materials with different hardnesses. Catheters with different hardnesses are welded and made into novel double-J tubes with different hardnesses, the comfort degree of a patient can be effectively improved after the double-J tube is placed in the body of the patient, pain is relieved, complications are reduced, the life quality of the patient is improved, and the treatment effect is improved.
Description
Technical field
The present invention relates to the medical apparatus and instruments that a kind of upper urinary tract supporting drainage uses, be specially a kind of double J pipe and preparation method thereof, belong to technological improvement on traditional double J pipe basis and state changes a kind of new product.
Background technology
Current, traditional double J pipe is widely used in national various big hospital Urology Surgery at treatment stricture of ureter, the conduit of drain in conventional indwelling ureter after the operative treatment such as deformity, calculus, renal pelvis reparation, renal calculus treatment.According to statistics; the use amount of traditional double J pipe that the whole nation is annual is more than 500,000; because the difference of the body constitution difference of patient and toleration; often there will be because traditional double J pipe is retained in patient ureter discomfort, pain, the symptom such as even hemorrhage feeling bladder position; affect the quality of life of patient, as tube drawing can affect again the effect of operative treatment in advance.Therefore, in the urgent need to inventing a kind of novel double J pipe, existing traditional double J pipe is improved the situation after patient's indwelling tube of double-J, thus improve the comfort level of patient's indwelling tube of double-J and quality of life and improve the therapeutic effect of operation.
Summary of the invention
For solving the defect that prior art exists, the present invention aims to provide and to be placed in compared with a kind of and traditional double J pipe in patient body without sense of discomfort or the double J pipe that can alleviate sense of discomfort, also comprises its preparation method.
To achieve these goals, technical scheme of the present invention is:
A kind of double J pipe, be made up of renal pelvis end elastic ring, bladder end elastic ring and drainage tube, described renal pelvis end elastic ring and bladder end elastic ring are positioned at drainage tube two ends, and the catheter abutment that this double J pipe entirety is made up of the material of at least two sections of different hardness forms.
The present invention also comprises following additional technical feature:
Preferably, described material is same compound material, and described same compound material is the general designation of described compound at chemical field.
Preferably, described material is macromolecular material.
Preferably, described macromolecular material is polyurethane or silicone rubber.
Preferably, the hardness distribution of described different hardness material is 50A-90A.
Preferably, described different hardness be in 50A, 65A, 70A, 75A, 90A any two or two or more.
Preferably, the hardness at described double J pipe two ends is less than the conduit hardness between double J pipe two ends.
Preferably, the hardness of described renal pelvis end elastic ring is less than the hardness of bladder end elastic ring and drainage tube.
The present invention also comprises the preparation method of above-mentioned double J pipe, comprises the following steps:
1) material of different hardness is made the identical conduit of dimension of inner and outer diameters;
2) gained conduit in step 1) is carried out cutting;
3) by step 2) in the catheter end place of different hardness that obtains of cutting welded together, then carry out bendingly making elastic ring to the conduit two ends welded according to double J pipe preparation technology, to obtain final product.
Preferably, described step is:
1) material of different hardness is made the identical conduit of dimension of inner and outer diameters;
2) gained conduit in step 1) is carried out cutting;
3) select the conduit of at least 2 sections of different hardness, be inserted into by metal inside in the conduit of different hardness, conduit metal jacket pipe being inserted in the different hardness of band metal inside is outside;
4) by welded together for the catheter end place of different hardness in step 3), then carry out bending making elastic ring to the conduit two ends welded according to double J pipe preparation technology, to obtain final product.
Preferably, described metal inside and the inside and outside wall surface of metal jacket pipe smooth, without any burr and uneven.
Operation requirements of the present invention: the present invention adopts and up-to-date is welded to connect technology, novel double J pipe is made again after different hardness conduit being welded together into the conduit of soft or hard one, need to solve in the process of welding and note the technical requirements such as the flatness on the surface of conduit, inner chamber are even and unobstructed, the welding fastness of conduit, surperficial smoothness, the external diameter of conduit and the size of internal diameter will be consistent and can not have error, inner chamber drain is unobstructed, can reach again the easy to operate requirement of traditional double J pipe simultaneously.Present invention process requires higher, does not affect the physicalchemical structure of tube material body.
Beneficial effect of the present invention is:
1) the present invention is by making the novel double J pipe of different hardness by the welding of the conduit of different hardness, is placed in the comfort level effectively improving patient after in patient body, eases the pain, improve patients ' life quality.
2) double J pipe of the present invention has different hardness section, has good pliability, better can be adapted to patient's urethra form, reduces the damage to ureter and mucous membrane of urinary bladder, thus reduces complication, improves the surgical result of patient.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
1) Fig. 1 is traditional double J pipe, and its integral hardness is the same.
2) Fig. 2 is for implementing the novel double J pipe 1 of latter made one, and wherein: a section is soft material matter, b section is hard material.
3) Fig. 3 is for implementing the novel double J pipe 2 of latter made one, and wherein: a section is soft material matter, b section is hard material.
Detailed description of the invention
Below in conjunction with instantiation, the present invention is described in detail.
embodiment 1
A kind of manufacture method step of novel double J pipe:
1. first make hardness with polyurethane and be respectively the identical conduit in the inside and outside footpath of 50A with 70A, two kinds of catheter outer diameter are 4F, and internal diameter is 0.8mm, and length is 100cm;
2. conduits different for hardness being separately cut into the conduit of certain length, can be 5cm, 10cm, 15cm, 20cm, 25cm, 30cm, notices that the head end of cutting is smooth, impulse-free robustness, not so can affect the smooth of catheter surface during welding;
3. select the conduit 30cm of conduit 15cm and 70A of 50A, select the metal inside of suitable dimension to be inserted in the conduit of different hardness.The metal jacket pipe of 5cm is selected to be inserted in the conduit of the different hardness of band metal inside.Metal inside and metal canula will be made through special materials and process, as plasma polishing technology, must guarantee its outer wall or inside and outside wall smooth, without any burr and uneven.
4. be put on Novel welding apparatus platform by inserting metal inside with the two sections of different hardness conduits putting metal-coating, homoiothermic fuses temperature 120 DEG C to conduit.
5., again according to the common double J tube shape producing the technique of double J pipe the conduit that different hardness has linked together made bending two ends, the hardness namely obtaining renal pelvis end elastic ring is less than the novel double J pipe of bladder end elastic ring and drainage tube hardness, as shown in Figure 2.
embodiment 2
1. first make hardness with polyurethane and be respectively the identical conduit in the inside and outside footpath of 65A with 75A, two kinds of catheter outer diameter are 5F, and internal diameter is 0.92mm, and length is 100cm;
2. conduits different for hardness being separately cut into the conduit of certain length, can be 5cm, 10cm, 15cm, 20cm, 25cm, 30cm, notices that the head end of cutting is smooth, impulse-free robustness, not so can affect the smooth of catheter surface during welding;
3. select the conduit 15cm2 section of 65A and the conduit 15cm mono-section of 75A, select the metal inside of 50cm to be inserted in the conduit of different hardness.Suitable metal jacket pipe is selected to be inserted in the conduit of the different hardness of band metal inside.Metal inside and metal canula external diameter and internal diameter want smooth without any burr and uneven.
4. be put on Novel welding apparatus platform by inserting metal inside with the two sections of different hardness conduits putting metal-coating, homoiothermic fuses temperature 120 DEG C to conduit.
5., again according to the common double J tube shape producing the technique of double J pipe the conduit that different hardness has linked together made bending two ends, the hardness namely obtaining renal pelvis end elastic ring and bladder end elastic ring is less than the novel double J pipe of drainage tube hardness, as shown in Figure 3.
embodiment 3
1. first make hardness with polyurethane and be respectively the identical conduit in the inside and outside footpath of 65A with 90A, two kinds of catheter outer diameter are 6F, and internal diameter is 1.3mm, and length is 100cm;
2. conduits different for hardness being separately cut into the conduit of certain length, can be 5cm, 10cm, 15cm, 20cm, 25cm, 30cm, notices that the head end of cutting is smooth, impulse-free robustness, not so can affect the smooth of catheter surface during welding;
3. select the conduit 20cm of conduit 15cm and 90A of 65A, select the metal inside of suitable dimension to be inserted in the conduit of different hardness.The metal jacket pipe of 5cm is selected to be inserted in the conduit of the different hardness of band metal inside.Metal inside and metal canula will be made through special materials and process, as plasma polishing technology, must guarantee its outer wall or inside and outside wall smooth, without any burr and uneven.
4. be put on Novel welding apparatus platform by inserting metal inside with the two sections of different hardness conduits putting metal-coating, homoiothermic fuses temperature 120 DEG C to conduit.
5., again according to the common double J tube shape producing the technique of double J pipe the conduit that different hardness has linked together made bending two ends, the hardness namely obtaining renal pelvis end elastic ring is less than the novel double J pipe of the hardness of bladder end elastic ring and drainage tube.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (9)
1. a double J pipe, be made up of renal pelvis end elastic ring, bladder end elastic ring and drainage tube, described renal pelvis end elastic ring and bladder end elastic ring are positioned at drainage tube two ends, it is characterized in that, the catheter abutment that this double J pipe entirety is made up of the material of at least two sections of different hardness forms.
2. a kind of double J pipe according to claim 1, is characterized in that, described material is macromolecular material.
3. a kind of double J pipe according to claim 2, is characterized in that, described macromolecular material is polyurethane or silicone rubber.
4. a kind of double J pipe according to any one of claim 1-3, is characterized in that, the hardness distribution of described different hardness material is 50A-90A.
5. a kind of double J pipe according to claim 1, is characterized in that, the hardness at described double J pipe two ends is less than the hardness between two ends.
6. a kind of double J pipe according to claim 1, is characterized in that, the hardness of described renal pelvis end elastic ring is less than the hardness of bladder end elastic ring and drainage tube.
7. the preparation method of the double J pipe according to any one of claim 1-6, is characterized in that, comprises the following steps:
The material of different hardness is made the identical conduit of dimension of inner and outer diameters;
Gained conduit in step 1) is carried out cutting;
By step 2) in the catheter end place of different hardness that obtains of cutting welded together, then carry out bendingly making elastic ring to the conduit two ends welded according to double J pipe preparation technology, to obtain final product.
8. the preparation method of double J pipe according to claim 7, is characterized in that, described step is:
1) material of different hardness is made the identical conduit of dimension of inner and outer diameters;
2) gained conduit in step 1) is carried out cutting;
3) select the conduit of at least 2 sections of different hardness, be inserted into by metal inside in the conduit of different hardness, conduit metal jacket pipe being inserted in the different hardness of band metal inside is outside;
4) by welded together for the catheter end place of different hardness in step 3), then carry out bending making elastic ring to the conduit two ends welded according to double J pipe preparation technology, to obtain final product.
9. the preparation method of double J pipe according to claim 8, is characterized in that, described metal inside and the inside and outside wall surface of metal jacket pipe smooth, without any burr and uneven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733161.6A CN105148383A (en) | 2015-10-30 | 2015-10-30 | Double-J tube and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733161.6A CN105148383A (en) | 2015-10-30 | 2015-10-30 | Double-J tube and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105148383A true CN105148383A (en) | 2015-12-16 |
Family
ID=54789629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510733161.6A Pending CN105148383A (en) | 2015-10-30 | 2015-10-30 | Double-J tube and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105148383A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797260A (en) * | 2016-03-09 | 2016-07-27 | 中国人民解放军第三军医大学第附属医院 | Thermosensitive double-J tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040087886A1 (en) * | 2002-10-30 | 2004-05-06 | Scimed Life Systems, Inc. | Linearly expandable ureteral stent |
| DE10155767B4 (en) * | 2001-11-14 | 2004-07-15 | Walter, Thomas, Dr. | ureter |
| CN201551710U (en) * | 2009-09-30 | 2010-08-18 | 业聚医疗器械(深圳)有限公司 | Guiding catheter in vessels |
| CN204446191U (en) * | 2014-12-11 | 2015-07-08 | 湖南千山医疗器械有限公司 | A kind of Medical rack of composite construction |
| CN205095231U (en) * | 2015-10-30 | 2016-03-23 | 济南中康顺医疗器械有限公司 | Two J pipes |
-
2015
- 2015-10-30 CN CN201510733161.6A patent/CN105148383A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10155767B4 (en) * | 2001-11-14 | 2004-07-15 | Walter, Thomas, Dr. | ureter |
| US20040087886A1 (en) * | 2002-10-30 | 2004-05-06 | Scimed Life Systems, Inc. | Linearly expandable ureteral stent |
| CN201551710U (en) * | 2009-09-30 | 2010-08-18 | 业聚医疗器械(深圳)有限公司 | Guiding catheter in vessels |
| CN204446191U (en) * | 2014-12-11 | 2015-07-08 | 湖南千山医疗器械有限公司 | A kind of Medical rack of composite construction |
| CN205095231U (en) * | 2015-10-30 | 2016-03-23 | 济南中康顺医疗器械有限公司 | Two J pipes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797260A (en) * | 2016-03-09 | 2016-07-27 | 中国人民解放军第三军医大学第附属医院 | Thermosensitive double-J tube |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151216 |
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| WD01 | Invention patent application deemed withdrawn after publication |