CN110975116A - Use method of prostate dilation catheter - Google Patents
Use method of prostate dilation catheter Download PDFInfo
- Publication number
- CN110975116A CN110975116A CN201911365427.0A CN201911365427A CN110975116A CN 110975116 A CN110975116 A CN 110975116A CN 201911365427 A CN201911365427 A CN 201911365427A CN 110975116 A CN110975116 A CN 110975116A
- Authority
- CN
- China
- Prior art keywords
- catheter
- balloon
- main
- water injection
- cavity
- 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
Links
- 210000002307 prostate Anatomy 0.000 title claims abstract description 58
- 230000010339 dilation Effects 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000002347 injection Methods 0.000 claims abstract description 43
- 239000007924 injection Substances 0.000 claims abstract description 43
- 239000012780 transparent material Substances 0.000 claims abstract description 10
- 210000003708 urethra Anatomy 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 239000005662 Paraffin oil Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000000338 in vitro Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 10
- 210000005077 saccule Anatomy 0.000 abstract description 5
- 201000010099 disease Diseases 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 5
- 210000005070 sphincter Anatomy 0.000 description 5
- 206010004446 Benign prostatic hyperplasia Diseases 0.000 description 4
- 208000004403 Prostatic Hyperplasia Diseases 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 206010020718 hyperplasia Diseases 0.000 description 3
- 210000002640 perineum Anatomy 0.000 description 3
- 208000024891 symptom Diseases 0.000 description 3
- 208000032843 Hemorrhage Diseases 0.000 description 2
- 206010046543 Urinary incontinence Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000008589 Obesity Diseases 0.000 description 1
- 206010046454 Urethral injury Diseases 0.000 description 1
- 206010061397 Urinary tract injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000001848 dysentery Diseases 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000020824 obesity Nutrition 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002062 proliferating effect Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 201000002327 urinary tract obstruction Diseases 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
- A61M25/10—Balloon catheters
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
-
- 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
- A61M25/0026—Multi-lumen catheters with stationary elements
-
- 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
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
- A61M2025/0046—Coatings for improving slidability
-
- 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
- A61M2210/16—Male reproductive, genital organs
- A61M2210/166—Prostate
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Reproductive Health (AREA)
- Child & Adolescent Psychology (AREA)
- Endoscopes (AREA)
Abstract
The invention relates to a prostate dilation catheter, which comprises a main catheter; a balloon water injection cavity and a catheter main cavity are arranged in the main catheter; the rear ends of the balloon water injection cavity and the catheter main cavity are sequentially and respectively provided with a balloon water injection joint and a catheter water inlet joint; the balloon water injection joint and the catheter water inlet joint are sequentially communicated with the balloon water injection cavity and the catheter main cavity respectively; the front ends of the balloon water injection cavity and the catheter main cavity are provided with balloons; the saccule and the main catheter at the front end of the saccule are made of transparent materials; the balloon and the main catheter at the front end of the balloon are made of transparent materials, the endoscope is inserted into the main catheter, and the main catheter, the balloon and the endoscope are designed in a mutually matched mode, so that the convenience of the endoscope is guaranteed, the idea of observing the visual field of the endoscope is improved, the discomfort of the product in use is greatly relieved, the product is matched with the endoscope in use, and the operation risk is reduced.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a use method of a prostate dilation catheter.
Background
Prostate hyperplasia is one of the more common diseases in the elderly of men, and with the increasing incidence of senile diseases in the global population, the incidence rate of prostate hyperplasia increases clinically with age, but the clinical symptoms are not necessarily shown when proliferative diseases occur. The clinical symptoms of the patients with prostatic hyperplasia are atypical due to compensation in the early stage of the onset of the disease, the clinical manifestations are gradually obvious along with the aggravation of the lower urinary tract obstruction symptoms, the disease course is relatively slow to progress, and the onset time is difficult to determine. The technology is relatively mature when the transurethral balloon dilatation of prostate is clinically applied to patients with prostatic hyperplasia. The transurethral columnar water sac prostate dilation is an effective, safe, simple and minimally invasive innovative operation method for treating benign prostatic hyperplasia, is an operation method for treating benign prostatic hyperplasia by reserving original organs, has the characteristics of convenient operation, tiny wound and high safety factor, and is especially an ideal choice for old and weak patients who cannot tolerate resection or do not want to resect prostate tissues.
The existing dilation catheter is placed by the personal technology of medical staff, and whether the catheter is placed in place is judged by subjective intuition and experience, so that the operation of placing the catheter is complex, the requirement on the skill of a doctor is high, the deviation rate of placing the catheter is extremely high, inaccurate placement can prevent partial hyperplasia prostate from being dilated, the effect of operation is reduced, and urinary tract injury and urethral injury can be caused by too much dilation of non-prostatic urethra, so that inconvenience is brought to use.
In view of the above technical problems, improvements are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a using method of a prostate dilation catheter, which is simple in structure, convenient and practical and can realize visual and accurate positioning of the prostate dilation catheter.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a prostate dilation catheter comprising a main catheter; a balloon water injection cavity and a catheter main cavity are arranged in the main catheter; the rear ends of the balloon water injection cavity and the catheter main cavity are sequentially and respectively provided with a balloon water injection joint and a catheter water inlet joint; the balloon water injection joint and the catheter water inlet joint are sequentially communicated with the balloon water injection cavity and the catheter main cavity respectively; the front ends of the balloon water injection cavity and the catheter main cavity are provided with balloons; the sacculus and the main catheter at the front end of the sacculus are made of transparent materials.
In a preferred form of the invention, the catheter main lumen has a channel formed therein for passage of an endoscope therethrough.
As a preferable mode of the invention, the handle is sleeved outside the rear end of the main catheter, the sealing cap is arranged on the handle, and the balloon water injection joint and the catheter water inlet joint are positioned on the handle.
As a preferable mode of the invention, an inflation tube is inserted in the balloon water injection joint in a penetrating way, one end of the inflation tube is communicated with the balloon water injection cavity, and the other end of the inflation tube is connected with a high-pressure three-way valve.
In a preferable mode of the invention, a stainless steel guide needle is arranged in a lumen of the balloon water injection cavity, and the stainless steel guide needle is connected with an inflation tube.
In a preferred mode of the invention, a luer protection cap is sleeved outside the water inlet joint of the catheter.
As a preferred mode of the present invention, a sealing member is sleeved between the main catheter and the handle.
As a preferable mode of the present invention, the main catheter is further provided at its outer periphery with a front urethra protection sleeve movably sleeved at the outer periphery of the main catheter and capable of moving axially relative to the main catheter.
As a preferable mode of the present invention, the outer surface of the main catheter is marked with a scale extending along the length direction of the main catheter.
A method of using a prostate dilation catheter, comprising the steps of:
step one, preparing a prostate dilation catheter;
in-vitro testing the shape of the balloon after being inflated to ensure that the balloon is of a columnar structure after being inflated;
inserting an endoscope into a main catheter of the prostate dilation catheter to the tail end, externally coating sterile paraffin oil, placing the coated sterile paraffin oil into a urethra through a front urethra protective sleeve, then entering a bladder under direct vision, and adjusting a balloon to a specified position;
simultaneously, pulling the main catheter back to the outside of the body to prevent the main catheter from shifting;
opening a high-pressure three-way valve on the rear inflation tube, injecting 10-15 mL of normal saline, and observing pressure of a pressure pump, shape change of a balloon and prostate dilation degree;
step, keeping the pressure for 4 minutes after the prostate expansion reaches the expected expansion effect;
opening a high-pressure three-way valve, relieving the pressure of the saccule and pumping back the normal saline in the saccule;
step one, the prostate dilation catheter is pulled out, and the catheter is kept.
The invention has the beneficial effects that:
1. the balloon and the main catheter at the front end of the balloon are made of transparent materials, the endoscope is inserted into the main catheter, and the main catheter, the balloon and the endoscope are designed in a mutually matched mode, so that the convenience of the use of the endoscope is guaranteed, the idea of observing the visual field of the endoscope is improved, the discomfort of the product in use is greatly reduced, the product is matched with the endoscope in use, and the operation risk is reduced;
2. the scales extending along the length direction of the main catheter are marked on the outer surface of the main catheter and are matched with an endoscope inserted into the main catheter for use, the back view of the endoscope is controlled to observe the position of the scales marked on the main catheter, the scales are used for accurately determining the position of the prostate dilation catheter, visual and accurate positioning is realized, the difficulty of operation is greatly reduced, and meanwhile, the operation effect is also improved;
3. compared with the main catheter in the market at present, the prostate dilation catheter has the advantages that the main catheter is more accurate and convenient to position, can be fixed after the prostate is dilated, ensures the dilation effect, plays a role in hemostasis by compression, relieves the compression on the external sphincter, does not excessively damage the external sphincter, and prevents urinary incontinence and hemorrhage.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a front view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a main conduit according to an embodiment of the present invention;
reference numbers in the figures: the device comprises a main catheter 1, a balloon water injection cavity 2, a catheter main cavity 3, a balloon 4, an endoscope 5, a handle 6, a sealing cap 7, an inflation tube 8, a high-pressure three-way valve 9, a catheter water inlet joint 10, a sealing piece 11, a front urethra protective sleeve 12, scales 13, a Ruhr protective cap 14, a stainless steel guide needle 15 and a balloon water injection joint 20.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 4, a prostate dilation catheter comprises a main catheter 1; the diameter of the main duct 1 is generally 5-8 mm, the length is 300-500 mm, and the diameter of the front end opening of the main duct 1 is 2-4 mm; a balloon water injection cavity 2 and a catheter main cavity 3 are arranged in the main catheter 1; the rear ends of the balloon water injection cavity 2 and the catheter main cavity 3 are respectively provided with a balloon water injection joint 20 and a catheter water inlet joint 10 in sequence; the balloon water injection joint 20 and the catheter water inlet joint 10 are sequentially communicated with the balloon water injection cavity 2 and the catheter main cavity 3 respectively.
The outer diameter phi of the balloon 4 is 6.36 +/-0.05 mm. After the sacculus 4 is expanded, the cross section of the sacculus is of a columnar structure, and the length of the sacculus is 44 mm. The length of the saccule 4 is 6.8-11.8 cm, and the width is 12 mm.
In the present embodiment, the diameter of the entire balloon 4 is not more than 9mm in the unused state, and the balloon 4 is cylindrical after expansion in the used state. The balloon 4 has an intraballoon pressure of 0.25 to 0.45MPa, preferably 0.25 to 0.3MPa after inflation. The main catheter 1 can be positioned during the expansion use, so that the balloon 4 can be accurately positioned close to the external sphincter.
During specific processing, the outside of the main body of the fracture-expanding catheter can be coated with a lubricant, so that the fracture-expanding catheter is hydrophilic and smooth. The invention can realize touch type positioning or fine fiberscope direct-viewing positioning. In addition, the invention can realize one-time water injection and smooth crack expanding procedure.
The front ends of the balloon water injection cavity 2 and the catheter main cavity 3 are provided with a balloon 4; the sacculus 4 and the main catheter 1 at the front end of the sacculus 4 are made of transparent materials; the channel for the endoscope 5 to pass through is formed in the catheter main cavity 3, and in the existing prostate dilation operation, medical staff judge the advancing position of the prostate dilation catheter in the body by only depending on intuition and experience through rectum finger diagnosis and touching the positioning protrusion at the prostate tip or by finger pressing the perineum touch positioning protrusion, but the judging method can cause certain errors due to different obesity degrees of patients. The sacculus 4 and the main catheter 1 at the front end of the sacculus 4 are made of transparent materials; through controlling endoscope 5 to look back to the position of the scale 13 on observation main duct 1 surface, through the affirmation to the scale 13 position, realize expanding the accurate positioning of splitting the pipe to the prostate, avoid among the prior art through touch location protruding or press the position deviation such as that the perineum portion touch location is protruding to judge the prostate and expand the pipe and appear, can improve the location precision, ensure the operation effect.
The balloon and the main catheter at the front end of the balloon are made of transparent materials, the endoscope is inserted into the main catheter, and the main catheter, the balloon and the endoscope are designed in a mutually matched mode, so that the convenience of the endoscope is guaranteed, the idea of observing the visual field of the endoscope is improved, the discomfort of the product in use is greatly relieved, the product is matched with the endoscope in use, and the operation risk is reduced.
Specifically, referring to fig. 3, a visual lens 50 is connected to an end portion of the endoscope 5, and the endoscope 5 is inserted into the main catheter cavity 3 of the main catheter 1; and extends out from the opening of the front end of the main duct 1; after insertion of endoscope 5, a medical professional may view through visual lens 50. Medical personnel can observe the position of the endoscope 5 in the main catheter 1 through the visual lens 50, combine the definite to the scale 13 position, when the scale 13 reaches predetermined position department, stop the operation to the prostate dilation catheter, so can realize the visual accurate positioning of prostate dilation catheter.
The periphery of the main catheter 1 is also provided with a front urethra protective sleeve 12 which is movably sleeved on the periphery of the main catheter 1 and can axially move relative to the main catheter 1; in addition, in this embodiment, a handle 6 is sleeved outside the rear end of the main catheter 1, a sealing cap 7 is arranged on the handle 6, and the balloon water injection joint 20 and the catheter water inlet joint 10 are located on the handle 6. The inner wall of the conduit water inlet joint 10 is provided with threads and can be connected with other medical equipment such as a pressure water injector and the like in a screwing mode, and a luer protective cap 14 is sleeved outside the conduit water inlet joint 10. Can play the role of isolating the main catheter 1 from the outside, thereby avoiding the pollution of the prostate dilation catheter with the front opening.
The front end of the main catheter 1 adopts an arc structure, and the front end adopts the arc structure to facilitate catheter placement, so that the side injury of the lower urethra can be avoided, the organ tissues of a patient are prevented from being damaged in the process of catheter implantation, and the pain of the patient caused by the abrasion of the tissues is avoided.
The scales extending along the length direction of the main catheter are marked on the outer surface of the main catheter and are matched with an endoscope inserted into the main catheter for use, the back view of the endoscope is controlled to observe the position of the scales marked on the main catheter, the scales are used for accurately determining the position of the prostate dilation catheter, visual and accurate positioning is realized, the difficulty of operation is greatly reduced, and meanwhile, the operation effect is improved.
An inflation tube 8 is inserted into the balloon water injection joint 20, one end of the inflation tube 8 is communicated with the balloon water injection cavity 2, and the other end is connected with a high-pressure three-way valve 9; a stainless steel guide needle 15 is arranged in a lumen of the balloon water injection cavity 2, and the stainless steel guide needle 15 is connected with the inflation tube 8; the sacculus 4 is injected with water once to form an initial elliptical shape, and when the injected water reaches the shape and the pressure required by the design, the pressure is kept to be greater than or equal to 0.3Mpa so as to reach the elliptical sacculus 4 and the pressure designed in advance. The expanded elliptical crack expanding capsule has a length of 8-13 cm and an outer diameter of 2.5-4.5 cm.
A sealing element 11 is sleeved between the main catheter 1 and the handle 6; the connection sealing performance of the handle, the balloon water injection joint 20 and the catheter water inlet joint 10 is improved, and the use safety of the prostate dilation catheter is further ensured.
A method of using a prostate dilation catheter, comprising the steps of:
preparing a prostate dilation catheter;
step two, testing the shape of the balloon after being pressurized in vitro to ensure that the balloon is of a columnar structure after being pressurized; the balloon pressurization can be realized by injecting normal saline into the balloon through a balloon water injection port by using a pressure injector capable of measuring pressure to be 0.1-0.15 Mpa;
inserting an endoscope 5 into a main catheter 1 of the prostate dilation catheter to the tail end, externally coating sterile paraffin oil, placing the endoscope into the urethra through a front urethra protective sleeve 12, then entering the bladder under direct vision, and adjusting a balloon 4 to a specified position;
step (four), the main catheter 1 is pulled back to the outside of the body at the same time, and the main catheter 1 is prevented from shifting;
step five, opening a high-pressure three-way valve on the rear inflation tube, injecting 10-15 mL of normal saline, and observing the pressure of a pressure pump, the shape change of the balloon (4) and the prostate dilation degree;
step six, after the prostate expansion reaches the expected expansion effect, keeping the pressure for 4 minutes;
step seven, opening the high-pressure three-way valve, relieving the pressure of the balloon 4 and pumping back the normal saline in the balloon 4;
and step (eight), pulling out the prostate dilation catheter and indwelling the catheter.
In addition, in the embodiment, the main conduit is also provided with a conduit inlet cavity 3, and normal saline can be injected into the bladder through the conduit inlet cavity 3 to flush the bladder; after 5-8 h, preferably 6h, after operation, the normal saline in the outer sac can be completely discharged, and 10-12 ml of normal saline is injected into the inner sac for fixing the main catheter.
Compared with the main catheter in the market at present, the prostate dilation catheter has the advantages that the main catheter is more accurate and convenient to position, can be fixed after the prostate is dilated, ensures the dilation effect, plays a role in hemostasis by compression, relieves the compression on the external sphincter, does not excessively damage the external sphincter, and prevents urinary incontinence and hemorrhage.
Example 2:
the balloon 4 and the main catheter 1 are made of full transparent materials, and an endoscope 5 is inserted into the main catheter 1; in the present embodiment 2, the endoscope 5 is inserted into the main duct 1; sacculus 4 and main catheter 1 are all made of transparent material, look back through control endoscope 5 to observe the position of the scale 13 on main catheter 1 surface, through the affirmation to the scale 13 position, realize the accurate positioning to prostate expansion fracture pipe, avoid among the prior art through the touch location protruding or through pressing the position deviation such as the protruding position deviation that judges prostate expansion fracture pipe appearance of perineum portion touch location, can improve the location precision, ensure the operation effect.
The rest of the present example refers to example 1.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the main catheter 1, the balloon water injection cavity 2, the catheter main cavity 3, the balloon 4, the endoscope 5, the handle 6, the sealing cap 7, the inflation tube 8, the high-pressure three-way valve 9, the catheter water inlet joint 10, the sealing piece 11, the anterior urethra protection sleeve 12, the scales 13, the luer protection cap 14, the stainless steel guide needle 15, the balloon water injection joint 20 and other terms are used, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. A prostate dilation catheter, characterized in that; comprising a main duct (1); a balloon water injection cavity (2) and a catheter main cavity (3) are arranged in the main catheter (1); the rear ends of the balloon water injection cavity (2) and the catheter main cavity (3) are respectively provided with a balloon water injection joint (20) and a catheter water inlet joint (10) in sequence; the balloon water injection joint (20) and the catheter water inlet joint (10) are sequentially communicated with the balloon water injection cavity (2) and the catheter main cavity (3) respectively; the front ends of the balloon water injection cavity (2) and the catheter main cavity (3) are provided with a balloon (4); the sacculus (4) and the main catheter (1) at the front end of the sacculus (4) are made of transparent materials.
2. The prostate dilation catheter according to claim 1, wherein: a channel for an endoscope (5) to pass through is formed in the main catheter cavity (3).
3. The prostate dilation catheter according to claim 1, wherein: the outer side of the rear end of the main catheter (1) is sleeved with a handle (6), a sealing cap (7) is arranged on the handle (6), and the balloon water injection joint (20) and the catheter water inlet joint (10) are located on the handle (6).
4. A prostate dilation catheter according to claim 3, wherein: an inflation tube (8) is inserted in the balloon water injection joint (20), one end of the inflation tube (8) is communicated with the balloon water injection cavity (2), and the other end of the inflation tube is connected with a high-pressure three-way valve (9).
5. The prostate dilation catheter according to claim 4, wherein: a stainless steel guide needle (15) is arranged in the lumen of the balloon water injection cavity (2), and the stainless steel guide needle (15) is connected with the inflation tube (8).
6. The prostate dilation catheter according to claim 5, wherein: the water inlet joint (10) of the catheter is externally sleeved with a luer protective cap (14).
7. The prostate dilation catheter according to claim 6, wherein: and a sealing element (11) is sleeved between the main catheter (1) and the handle (6).
8. The prostate dilation catheter according to claim 7, wherein: the periphery of the main catheter (1) is also provided with a front urethra protective sleeve (12) which is movably sleeved on the periphery of the main catheter (1) and can axially move relative to the main catheter (1).
9. The prostate dilation catheter according to claim 8, wherein: the scale (13) extending along the length direction of the main catheter (1) is marked on the outer surface of the main catheter (1).
10. A method of using the prostate dilation catheter according to any one of claims 1 to 9, comprising the steps of:
preparing a prostate dilation catheter;
step two, testing the shape of the balloon after being pressurized in vitro to ensure that the balloon is of a columnar structure after being pressurized;
inserting an endoscope (5) into a main catheter (1) of the prostate dilation catheter to the tail end, externally coating sterile paraffin oil, placing the endoscope into a urethra through a front urethra protective sleeve (12), then entering a bladder under direct vision, and adjusting a balloon (4) to a specified position;
step (four), the main catheter (1) is pulled back to the outside of the body at the same time, and the main catheter (1) is prevented from shifting;
step five, opening a high-pressure three-way valve on the rear inflation tube, injecting 10-15 mL of normal saline, and observing the pressure of a pressure pump, the shape change of the balloon (4) and the prostate dilation degree;
step six, after the prostate expansion reaches the expected expansion effect, keeping the pressure for 4 minutes;
step seven, opening the high-pressure three-way valve, releasing the pressure of the balloon (4) and pumping back the normal saline in the balloon (4);
and step (eight), pulling out the prostate dilation catheter and indwelling the catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911365427.0A CN110975116A (en) | 2019-12-26 | 2019-12-26 | Use method of prostate dilation catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911365427.0A CN110975116A (en) | 2019-12-26 | 2019-12-26 | Use method of prostate dilation catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110975116A true CN110975116A (en) | 2020-04-10 |
Family
ID=70077268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911365427.0A Pending CN110975116A (en) | 2019-12-26 | 2019-12-26 | Use method of prostate dilation catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110975116A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108162A (en) * | 1985-11-05 | 1986-07-16 | 焦作矿务局医院 | A kind of resectoscope that is used for posterior urethral stricture |
| CN101023520A (en) * | 2004-05-03 | 2007-08-22 | 斯湾谷医疗公司 | Cystotomy catheter capture device and methods of using same |
| CN205163753U (en) * | 2015-11-26 | 2016-04-20 | 崔飞 | Urinary surgery operation catheter |
| CN205460381U (en) * | 2016-02-05 | 2016-08-17 | 南京双威生物医学科技有限公司 | Prostate expands and splits pipe with flexible speculum |
| CN106267533A (en) * | 2016-08-02 | 2017-01-04 | 李梦强 | Visualization is accurately positioned prostate dilator |
| CN108577934A (en) * | 2018-05-21 | 2018-09-28 | 沈阳泰伦药业有限公司 | Disposable three-cavity and double-caspula superslide prostate dilator |
| CN208611569U (en) * | 2018-01-04 | 2019-03-19 | 龙金 | A kind of prostate expands conduit and its device |
| CN109675177A (en) * | 2018-11-08 | 2019-04-26 | 浙江大学 | Device is split in visualization prostate expansion |
| CN110124184A (en) * | 2019-06-14 | 2019-08-16 | 深圳市慧极创新医疗科技有限公司 | A kind of encephalic drainage of cerebrospinal fluid pipe |
-
2019
- 2019-12-26 CN CN201911365427.0A patent/CN110975116A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108162A (en) * | 1985-11-05 | 1986-07-16 | 焦作矿务局医院 | A kind of resectoscope that is used for posterior urethral stricture |
| CN101023520A (en) * | 2004-05-03 | 2007-08-22 | 斯湾谷医疗公司 | Cystotomy catheter capture device and methods of using same |
| CN205163753U (en) * | 2015-11-26 | 2016-04-20 | 崔飞 | Urinary surgery operation catheter |
| CN205460381U (en) * | 2016-02-05 | 2016-08-17 | 南京双威生物医学科技有限公司 | Prostate expands and splits pipe with flexible speculum |
| CN106267533A (en) * | 2016-08-02 | 2017-01-04 | 李梦强 | Visualization is accurately positioned prostate dilator |
| CN208611569U (en) * | 2018-01-04 | 2019-03-19 | 龙金 | A kind of prostate expands conduit and its device |
| CN108577934A (en) * | 2018-05-21 | 2018-09-28 | 沈阳泰伦药业有限公司 | Disposable three-cavity and double-caspula superslide prostate dilator |
| CN109675177A (en) * | 2018-11-08 | 2019-04-26 | 浙江大学 | Device is split in visualization prostate expansion |
| CN110124184A (en) * | 2019-06-14 | 2019-08-16 | 深圳市慧极创新医疗科技有限公司 | A kind of encephalic drainage of cerebrospinal fluid pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017049823A1 (en) | Prostate dilation catheter | |
| JP4307994B2 (en) | Intraurethral assembly, self-guided intraurethral assembly, urethral profile device, and urethral profile assembly | |
| CN106267533B (en) | Visual accurate positioning prostate expanding and cracking catheter | |
| US20100145224A1 (en) | Canal dilation device | |
| WO2008132735A1 (en) | A urethral implant and method | |
| CN103656843A (en) | Targeted dilatation forming balloon catheter | |
| US20080033570A1 (en) | Prostatic stent placement device | |
| CN106581795B (en) | Using method of composite cylindrical water sac prostate dilation catheter with forward inner sac | |
| CN101239215A (en) | Multi-cavity high-pressure water-bag posterior urethral expanding catheter for treating hyperplasia of prostate | |
| CN211327691U (en) | Built-in catheter kit | |
| CN107050624B (en) | Use method of composite columnar water sac prostate dilation catheter | |
| CN212439678U (en) | Novel prostate expands and splits pipe | |
| CN212439677U (en) | Prostate expands and splits pipe | |
| CN110975116A (en) | Use method of prostate dilation catheter | |
| CN208274818U (en) | Visualize the prostate dilator of positioning | |
| CN207785590U (en) | Medical cavity scope punctures impregnator | |
| US20050124852A1 (en) | Method and device for the treatment of incontinence | |
| CN111013000A (en) | Use method of novel prostate dilation catheter | |
| CN210170656U (en) | Disposable five-cavity double-bag full-visual ultra-smooth prostate dilation catheter | |
| CN210170657U (en) | Disposable four-cavity single-bag full-visual ultra-smooth prostate dilation catheter | |
| US20210052826A1 (en) | Rectal Injection Device And Method Of Operation Thereof | |
| WO2021211566A1 (en) | Injection systems | |
| CN110860025A (en) | Urethral dilatation catheter for urethral stricture and using method thereof | |
| CN111450397A (en) | Coaxial prostate expanding device | |
| CN219595583U (en) | Columnar water sac urethra dilator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20200410 Assignee: HANGZHOU SHANYOU MEDICAL EQUIPMENT Co.,Ltd. Assignor: Hangzhou Hanshi Medical Equipment Co.,Ltd. Contract record no.: X2021980010965 Denomination of invention: Method for using prostate dilation catheter License type: Exclusive License Record date: 20211023 |
|
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |