CN112245763A - Ureteral stent capable of being implanted through percutaneous nephropuncture - Google Patents
Ureteral stent capable of being implanted through percutaneous nephropuncture Download PDFInfo
- Publication number
- CN112245763A CN112245763A CN202011330940.9A CN202011330940A CN112245763A CN 112245763 A CN112245763 A CN 112245763A CN 202011330940 A CN202011330940 A CN 202011330940A CN 112245763 A CN112245763 A CN 112245763A
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- ureteral stent
- kidney
- bladder
- external
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- 210000003734 kidney Anatomy 0.000 claims abstract description 31
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 14
- 210000000626 ureter Anatomy 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 3
- 210000002700 urine Anatomy 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 208000031481 Pathologic Constriction Diseases 0.000 description 4
- 230000036262 stenosis Effects 0.000 description 4
- 208000037804 stenosis Diseases 0.000 description 4
- 230000002980 postoperative effect Effects 0.000 description 3
- 206010051268 Anastomotic stenosis Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000000244 kidney pelvis Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 235000003434 Sesamum indicum Nutrition 0.000 description 1
- 244000000231 Sesamum indicum Species 0.000 description 1
- 208000004608 Ureteral Obstruction Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 208000037803 restenosis Diseases 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Images
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
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
-
- 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
-
- 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
- A61M1/84—Drainage tubes; Aspiration tips
-
- 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
- A61M1/84—Drainage tubes; Aspiration tips
- A61M1/86—Connectors between drainage tube and handpiece, e.g. drainage tubes detachable from handpiece
-
- 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
- A61M2025/0008—Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1078—Urinary tract
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Transplantation (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a ureteral stent capable of being implanted through percutaneous nephrocentesis, which comprises an external section, a kidney loop section, a ureteral stent section and a bladder section which are integrally communicated, wherein platinum mark positions are arranged at junctions of the external section, the kidney loop section, the ureteral stent section and the bladder section, two adjacent platinum mark positions are arranged at the junctions of the external section and the kidney loop section, and a cutting opening is arranged between the two adjacent platinum mark positions. The drainage tube is combined with the ureter bracket, the internal part of the body can play a role in draining urine to the kidney and the bladder, and the external part of the body can play a role in external drainage by matching with the drainage bag. The external section provides a channel for replacing and taking out the ureteral stent, reduces the puncture times and has less harm to patients; meanwhile, the ureteral stent is positioned at the external section of the body and can be cut off, and the cut-off ureteral stent has the same function as the traditional ureteral stent, so that the multipurpose of the ureteral stent is increased.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a ureteral stent capable of being implanted through percutaneous nephropuncture.
Background
For ureteral obstruction caused by ureteral stenosis due to various reasons such as calculus, tumor, inflammation, postoperative anastomotic stenosis and the like, a ureteral stent needs to be placed clinically besides an operation to drain urine into a bladder, and the ureteral stent needs to be taken out after 3 months of the operation to prevent postoperative restenosis or expand stenosis. The traditional ureteral stent is in a head-end double-pigtail structure, the ureteral stent needs to be implanted in a retrograde mode under a cystoscope, and the ureteral stent still needs to be taken out again under the cystoscope after being taken out. However, in the ureteral stenosis caused by some diseases, such as colon bladder replacement, anastomotic stenosis and the like, the retrograde implantation of the ureteral stent under the cystoscope cannot be completed. If the patients can not relieve obstruction, percutaneous renal pelvis drainage or renal fistulization is needed, and the re-stent reconstruction of the ureter can not be completed, so that the postoperative life quality of the patients is affected.
The prior ureteral stent can not meet the ureteral reconstruction requirements of the patients, and the prior ureteral stent only has a single stent function and can not realize the drainage function from the inside to the outside of the body. Meanwhile, the existing ureteral stent is very inconvenient to put in and take out, needs to be punctured for many times and even needs to be subjected to surgical operation, and brings great harm to patients.
Disclosure of Invention
The invention aims to provide a ureteral stent capable of being implanted through percutaneous nephrocentesis, wherein the drainage tube and the ureteral stent are combined in function, the internal part of the body can play a role in draining urine to a kidney membrane and a bladder, the external part of the body can play a role in external drainage by matching with a drainage bag, and the external section of the body provides a channel for replacing and taking out the ureteral stent, so that the puncture times are reduced, and the injury to a patient is small; meanwhile, the ureteral stent is positioned at the external section of the body and can be subjected to truncation treatment, and the truncated ureteral stent has the same function as the traditional ureteral stent, so that the multiple purposes of the ureteral stent are increased, and the technical problem existing in the background technology is solved.
The ureteral stent capable of being implanted through percutaneous nephrocentesis comprises an external section, a kidney loop section, a ureteral stent section and a bladder section which are integrally communicated, platinum mark positions are arranged at junctions of the external section, the kidney loop section, the ureteral stent section and the bladder section, two adjacent platinum mark positions are arranged at the junctions of the external section and the kidney loop section, and a cutting opening is arranged between the two adjacent platinum mark positions.
In a preferred embodiment, the end of the external body section is provided with a threaded interface which can be connected with a drainage bag or sealed and fixed with a threaded plugging cap.
In a preferred embodiment, the kidney and bladder sections are both coiled under normal conditions and can be straightened under the action of external force.
In a preferred embodiment, the kidney and bladder sections are provided with a plurality of drainage side holes which are arranged on one side.
In a preferred embodiment, a pull wire hole is arranged at the position, close to the bladder section, of the ureteral stent section, a pull wire penetrates through the pull wire hole, one end of the pull wire penetrates through the external section to be placed outside, the other end of the pull wire penetrates through the side hollow space to be fixed with the bladder section, and the pull wire can be removed.
The technical scheme of the invention has the beneficial effects that:
1. through setting up external section, external section exposes after ureteral stent puts into, and the taking out and the change of ureteral stent of being convenient for reduce the injury to the patient, and external section still has the effect of urine through internal to external drainage simultaneously, increases ureteral stent's practicality.
2. After the ureteral stent is placed, the external section of the ureteral stent can be reserved or cut according to specific requirements, and the cut ureteral stent has the functions of the traditional ureteral stent.
Drawings
Figure 1 is a schematic view of the overall structure of the present invention,
fig. 2 is a drawing of the ureteral stent straightening state of the invention.
Description of reference numerals: 1 external section, 2 kidney benne sections, 3 ureteral stent sections, 4 bladder sections, 5 platinum mark positions, 6 cutting openings, 7 catheters, 8 guide wires, 9 drainage side holes, 10 pull wires, 11 pull wire holes and 12 threaded connectors.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
The ureteral stent provided by the invention is used for patients with benign lesions of retrograde ureteral stent implantation which can not be completed under a cystoscope and can not be operated in surgery. The operation path of the ureteral stent is that the end of the stent firstly enters a punctured kidney channel and then continues to go downwards to enter the bladder through the ureter. The common type of the ureteral stent is 8F, and the ureteral stent with the diameter of 10F or 12F can be placed by means of a catheter, a guide wire and other common clinical puncture auxiliary tools.
Referring to fig. 1-2, the ureteral stent capable of being implanted through percutaneous nephrocentesis according to the technical scheme of the invention comprises an external section 1, a kidney loop section 2, a ureteral stent section 3 and a bladder section 4 which are integrally communicated, wherein platinum marker positions 5 are arranged at junctions of the external section 1, the kidney loop section 2, the ureteral stent section 3 and the bladder section 4. Two adjacent platinum mark positions 5 are arranged at the junction of the external section 1 and the kidney band section 2, the platinum mark positions 5 can be seen under X-ray perspective, and a cutting opening 6 is arranged between the two adjacent platinum mark positions 5.
After the ureteral stent is placed, the external section 1 is exposed outside, the kidney loop section 2 is arranged in the kidney loop, the ureteral stent section 3 is positioned in the ureter, and the bladder section 4 is arranged in the bladder. The kidney-shaped section 2 and the bladder section 4 have a drainage function, the external section 1 has a function of draining urine from the inside of the body to the outside of the body, and provides an operation channel to facilitate replacement or taking out of the ureteral stent placed in the body without puncturing again, so that the pain of a patient is reduced.
The end part of the external section 1 is provided with a threaded interface 12 which can be connected with a drainage bag or sealed and fixed with a threaded plugging cap.
Under normal state, the kidney benevolence section 2 and the bladder section 4 are both coiled, and the kidney benevolence section 2 and the bladder section 4 can be straightened under the action of external force. The convoluted kidney yoke section 2 and bladder section 4 facilitate fixation and avoid slipping out of the kidney yoke and bladder. The kidney is mended section 2 and bladder section 4 and all is provided with a plurality of drainage side hole 9, drainage side hole 9 unilateral sets up. The side drainage hole 9 is used for draining urine.
A pull wire hole 11 is formed in the ureteral stent section 3 close to the bladder section 4, a pull wire 10 penetrates through the pull wire hole 11, one end of the pull wire 10 penetrates through the external section 1 and is arranged outside, the other end of the pull wire penetrates through the lateral pull cavity and is fixed with the bladder section 4, and the pull wire 10 can be removed. The tension pull wire 11 can fix the coils of the kidney benevolence section 2 and the bladder section 4. When the pull wire is removed, one of the pull wires is pulled tightly, and the pull wire 11 can be integrally pulled out.
Whether the extracorporeal section 1 is reserved or not can be selected according to specific conditions, and if the extracorporeal section 1 is not reserved, the extracorporeal section 1 is cut through the cutting opening 6.
Before the ureteral stent is placed, firstly, under the guidance of ultrasound or CT, a renal pelvis is punctured, the position of ureteral stenosis is known, the length of a ureter is determined through a guide wire catheter, and a ureteral stent with a proper length is selected, wherein the proper length is the length of a ureteral stent section 3 and is 24cm and 26cm in common clinical use.
If the external section 1 of the ureteral stent needs to be reserved, the ureteral stent is placed through a guide wire 8, a catheter 7 and other clinical special puncture auxiliary tools, a pull wire 11 is tightened under fluoroscopy, the kidney loop section 2 and the bladder section 4 are fixed in a coil, and then a wire is pulled and the pull wire 11 is removed. The wires 11 may not be removed. The external section 1 is fixed on the skin by using a fixing paste or an adhesive tape, and is externally connected with a drainage bag through a threaded interface or is sealed by using a pipe cap.
If the ureter outer section 1 does not need to be reserved, the ureter stent is placed through a puncture auxiliary tool such as a guide wire 8, a catheter 7 and the like, and the pull wire 11 is pulled out and discarded. The coils of the kidney-shaped section 2 and the bladder section 4 are fixed in the process of gradually pulling out the pull wire 11. The blade is used to cut the outer section of the body along the cutting opening 6. No external section is reserved, and the ureteral stent needs to be taken out by a cystoscope after 3 months of operation. The cut ureteral stent can form the shape of the traditional ureteral stent used in the prior surgery and can also be placed under a cystoscope.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (5)
1. A ureteral stent that can be inserted through percutaneous nephropuncture, characterized in that: the utility model discloses a section of putting up the kidney in the body, including integrative intercommunication setting, the kidney is mended section, ureter support section and bladder section, external section, kidney are mended section, ureter support section and bladder section juncture and all are provided with platinum mark position, external section and kidney are mended section juncture and are provided with two adjacent platinum mark positions, and adjacent two be provided with the cut-out mouth between the platinum mark position.
2. A percutaneous nephrolithotomy implantable ureteral stent according to claim 1, wherein: the end part of the external section of the body is provided with a threaded interface which can be connected with a drainage bag or sealed and fixed with a threaded plug cap.
3. A percutaneous nephrolithotomy implantable ureteral stent according to claim 1, wherein: under normal state, the kidney meng section and the bladder section are both coiled, and the kidney meng section and the bladder section can be straightened under the action of external force.
4. A percutaneous nephrolithotomy implantable ureteral stent according to claim 1, wherein: the kidney is mended section and bladder section and all is provided with a plurality of drainage side opening, drainage side opening unilateral sets up.
5. A percutaneous nephrolithotomy implantable ureteral stent according to claim 1, wherein: a pull wire hole is formed in the ureteral stent section close to the bladder section, a pull wire penetrates through the pull wire hole, one end of the pull wire penetrates through the external section and is arranged outside, the other end of the pull wire penetrates through the lateral pull space and is fixed with the bladder section, and the pull wire can be removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011330940.9A CN112245763A (en) | 2020-11-24 | 2020-11-24 | Ureteral stent capable of being implanted through percutaneous nephropuncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011330940.9A CN112245763A (en) | 2020-11-24 | 2020-11-24 | Ureteral stent capable of being implanted through percutaneous nephropuncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112245763A true CN112245763A (en) | 2021-01-22 |
Family
ID=74225442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011330940.9A Withdrawn CN112245763A (en) | 2020-11-24 | 2020-11-24 | Ureteral stent capable of being implanted through percutaneous nephropuncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112245763A (en) |
-
2020
- 2020-11-24 CN CN202011330940.9A patent/CN112245763A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210119 Address after: 266000 No. 16, Jiangsu Road, Qingdao, Shandong Applicant after: THE AFFILIATED HOSPITAL OF QINGDAO University Address before: 266000 901, unit 3, building 2, 1687 Wutaishan Road, Huangdao District, Qingdao City, Shandong Province Applicant before: Hu Xiaokun |
|
| TA01 | Transfer of patent application right | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210122 |
|
| WW01 | Invention patent application withdrawn after publication |