CN2395737Y

CN2395737Y - Composite high-pressure water-bag series catheter for dilation of prostate

Info

Publication number: CN2395737Y
Application number: CN 99247798
Authority: CN
Inventors: 姜汉胜
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-27
Filing date: 1999-11-27
Publication date: 2000-09-13
Anticipated expiration: 2009-11-27

Abstract

The utility model relates to a composite high-pressure water-sac series catheter for dilation of prostate, which belongs to the technical field of a medical appliance. The utility model is used for transurethral dilation therapy for hyperplasia of prostate. The utility model is characterized in that a main body is a catheter with a soft body, a main cavity is a urinary catheter cavity, and three thin catheter cavities are arranged in a catheter wall in latent way; openings are respectively arranged on the corresponding positions of each catheter; an A sac of an A-shaped catheter is designed into a B sac, a positioning sac is arranged on the front end of a B-shaped catheter, and a high-pressure water sac is arranged below the positioning sac. The utility model has the advantages of simple structure, normative design, wide applicability, low cost, easy manufacture, convenient popularization, convenient application, etc.; the utility model overcomes the disadvantages in prior art.

Description

Series of conduits is split in the expansion of composited high pressure water capsule prostate

This utility model relates to a kind of composited high pressure water capsule prostate and expands and split series of conduits and belong to technical field of medical instruments, and the per urethra that is used for hyperplasia of prostate expands and splits treatment.

External product prostate dilating catheter and domestic product Jiang Shi prostate dilator are arranged in prior art.External shortcoming of producing the prostate dilating catheter is: need when one, being operation to determine the position location with X-ray machine and digital rectal examination; Two, be to need after the expansion to change the urinary catheter urethral catheterization, this can increase the possibility of bleeding due to trauma and infection; Three, be that high pressure water balloon dilator amplitude is too small, expansion capsule diameter 25cm, length is 3～4cm, subject range is little, closely, the shortcoming of the domestic product of late result difference Jiang Shi prostate dilator is that entire body links to each other the high pressure water pocket of three capsule independence in actual fabrication, can not close proximity after the expansion but not one between each independent capsule, its clearance recess is excessive, the full section expansion of urethra is split after can not finishing, and does not reach the expection therapeutic effect.

The purpose of this utility model is to split series of conduits for the deficiency that overcomes prior art provides a kind of composited high pressure water capsule prostate simple in structure, reasonable in design, that cost is low, function is complete, curative effect is high, easy to use to expand

According to the construction features and the principle of general treatment prostate apparatus, at the subject matter that exists in the prior art, basic design of the present utility model is: main body is a soft body catheter, long 40cm, week footpath 15F, main chamber is a urethral catheterization lumen, the potential three tubule chambeies of tube wall, apart from each tubule chamber, catheter tip 10cm place fairlead is arranged, and be furnished with the hole of connecing seat, apart from head end 1cm place, a side is established the urethral catheterization lumen opening, flushing tube chamber opening is arranged, outer logical flushing tube chamber on urethral catheterization lumen opening side.Be divided into A type pipe according to its high pressure water pocket design difference.The Type B pipe, the composited high pressure water capsule of A type pipe is located in the B capsule tail end for the A capsule, length is 6cm, swell diameter is identical with B capsule tail end, looking the different swell diameters of model is 2.0～3.0cm, the effect of A capsule is to expand and to open perpendicular tough membranous part for locating the back, prevent in the B capsule sliding set, in A blister cavities opening is arranged, outer logical A blister cavities, the B capsule be apart from head end 2cm place at water pocket, in B blister cavities opening is arranged, logical B blister cavities outward, length is 9～13cm, it is 2.6～4.2cm that its leading portion is looked the different swell diameters of model, and it is 2.0～3.0cm that rear is looked the different swell diameters of model, and its capsule rear length is 3～6cm.The Type B pipe is the location capsule apart from conduit head end 2cm place, in location capsule opening is arranged, outer logical location blister cavities, volume is 30ml, is thereafter the high pressure water pocket, in water under high pressure blister cavities opening is arranged, outer logical water under high pressure blister cavities, high pressure water pocket length is 4～7cm, and swell diameter is 3.0～3.8cm, and the Type B pipe also can be made into A type pipe station-keeping mode.It is 0.45～0.6MPa that series of conduits high pressure water pocket compressive resistance is split in A, the expansion of Type B composited high pressure water capsule prostate.Its retraction that expands all has controllability, is used for radiation and divides when going into to treat, and the high pressure water pocket has visual sign under the X-ray end to end.

Are furnished with metal inner core, pressure injector, hand table, four kinds of adnexaes of connection tube according to the designing requirement function.When the operation running, can realize the purpose of design.

Concrete operations using method of the present utility model is: get calculi position, operate by the requirement of surgery asepsis, when the row epidural anesthesia is used A type pipe, heuristic dilating urethra with the F24 divulsor, continue the metal inner core is inserted urethral catheterization lumen, be coated with lubricant outward and insert bladder, with B capsule gas injection 20ml, lead conduit outward and make B capsule leading portion bulge be butted on bladder neck, the outer conduit 2cm that leads in venting back, at this moment Primary Location finishes.Left hand holds catheter body, right hand first finger is in internal rectum prostate tip (showing the membranous part position), connect hand table and A blister cavities with pressure injector, water-filling boosts to 0.3MPa, expands and opens membranous urethra, and continuing is pressurized to 0.3MPa with the B capsule, bladder neck, gland portion urethra, membranous urethra and the expansion of 3cm bulb urethra are opened, continue 10 minutes, the A capsule is discharged water, continuing discharges water the B capsule is depressurized to 0.1MPa as hemostasis.After finishing above operation the metal inner core is extracted, connect Drainage urine bag and connect the flushing chamber and carry out bladder irrigation.

When using the Type B pipe, will locate capsule water filling 30ml, and lead conduit outward and make the location capsule be butted on bladder neck, and again conduit inwardly be inserted 1～2cm, finish the location.Be pressurized to 0.3MPa to the water filling of high pressure water pocket again, membranous part does not expand out, and operates the operational approach with A type pipe thereafter.

Outstanding advantage of the present utility model is: design specification is reasonable, and is simple in structure, overcome the shortcoming in the prior art, and the suitability is extensive, and cost is low, and is easy to utilize.

Fig. 1 is an A type pipe sketch map of the present utility model

Fig. 2 is a Type B pipe sketch map of the present utility model

Below with reference to accompanying drawing this utility model is described in further detail.

Among Fig. 1, Fig. 2: 1 urethral catheterization lumen, 2 flushing tube chambers, 3 A blister cavities, 4 B blister cavities, visual sign under 5 X-rays, 6 urethral catheterization lumen openings, 7 flushing tube chamber openings, 8 B blister cavities openings, 9 A blister cavities openings, 10 A capsules, 11 B capsules, 12 location blister cavities, 13 water under high pressure blister cavities, 14 location capsules, 15 high pressure water pockets, 16 location blister cavities openings, 17 water under high pressure blister cavities openings.

In conjunction with the accompanying drawings and most preferred embodiment, be described in further detail architectural feature of the present utility model as follows: main body is a soft body catheter, main chamber is a urethral catheterization lumen 1, the potential three tubule chambeies of tube wall, fairlead is arranged and be furnished with the hole of connecing seat, establish a urethral catheterization lumen opening 6 apart from head end 1cm place, flushing tube chamber opening 7 is arranged, outer logical flushing tube chamber 2 on urethral catheterization lumen opening 6 sides.A type pipe; A capsule 10 is located in B capsule 11 tail ends, and the back diameter that expands is identical with B capsule 11 tail ends, in A blister cavities opening 9 outer logical A blister cavities 3 are arranged, B capsule 11 be apart from head end 2cm place at water pocket, in B blister cavities opening 8 is arranged, lead to B blister cavities 4 outward.The Type B pipe: be location capsule 14 apart from conduit head end 2cm place, in location blister cavities opening 16 is arranged, outer logical location blister cavities 12.The location capsule is down high pressure water pocket 15, in high pressure water pocket opening 17 is arranged, logical water under high pressure blister cavities 13 outward.A, Type B pipe high pressure water pocket all have visual sign 5 under the X-ray end to end.

This utility model is through over the past half year clinical practice, execute art 40 examples, wherein 3 degree glandular hyperplasias are with serious middle lobe hyperplasia 10 examples, compensatory person's 8 examples of the serious mistake of detrusor function, location back is expanded and is split that to execute art definitely simple and direct, effectively overcome to execute in the past and increased wayward in the art or led conduit and cause to expand and split that capsule extends out and drawback that eck expands not open because increase in preventing, curative effect is reliable, executing art based on this series of conduits A type pipe has improved hyperplasia of prostate patient membranous part and has produced high expansive force because of the inflated with low pressure of hypertrophy body of gland, high-drag, and the new theory that systolic and diastolic function is unbalance, break the film chamber and forbidden the forbidden zone expanded, conventional expansion membranous urethra, and be aided with to strengthen and expand the Type B pipe that splits diameter to execute art treatment glandular hyperplasia light, detrusor loses compensatory light case, can make patient remove misery, reach the purpose of healing, make patient's postoperative, recover normal voiding.

Claims

1, series of conduits is split in a kind of composited high pressure water capsule prostate expansion, feature is: main body is a soft body catheter, main chamber is urethral catheterization lumen＜1 〉, the potential three tubule chambeies of tube wall, A capsule＜10 of A type pipe〉design B capsule＜11〉in, the head end 2cm place of Type B pipe is capsule＜14, location 〉, capsule＜14, location〉there are high pressure water pocket＜15 in bottom 〉.

2, series of conduits is split in composited high pressure water capsule prostate expansion according to claim 1, it is characterized in that the long 40cm of software conduit, week footpath 15F, draw from distance catheter tip 10cm in the potential three tubule chambeies of tube wall, and is furnished with the hole of connecing seat, establish catheter lumen opening＜6 apart from conduit head end 1cm place 〉, a side is established flushing tube chamber opening＜7 〉, outer logical flushing tube chamber＜2 〉.

3, split the gland expansion before the composited high pressure water capsule according to claim 1 and split series of conduits, it is characterized in that A type pipe A capsule＜10〉be located at B capsule＜11〉in the tail end, length is 6cm, swell diameter and B capsule＜11〉tail end is identical, A capsule＜10〉in establish A blister cavities opening＜9, logical outward A blister cavities＜3 〉.B capsule＜11〉apart from conduit head end 2cm, in B blister cavities opening＜8 are arranged, logical outward B blister cavities＜4 〉, length is 9～13cm, the leading portion swell diameter is 2.6～4.2cm, the rear swell diameter is 2.0～3.0cm, rear length is 3～6cm.

4, series of conduits is split in composited high pressure water capsule prostate expansion according to claim 1, it is characterized in that the Type B pipe is capsule＜14, location apart from conduit head end 2cm place 〉, in location blister cavities opening＜16 are arranged, blister cavities＜12, outer logical location 〉, volume is 30ml, is thereafter high pressure water pocket＜15 〉, in high pressure water pocket opening＜17 are arranged, outer logical water under high pressure blister cavities＜13 〉, high pressure water pocket＜15〉length is 4～7cm, swell diameter is 3.0～3.3cm.

5, series of conduits is split in composited high pressure water capsule prostate expansion according to claim 1, it is characterized in that A, Type B pipe high pressure water pocket compressive resistance are 0.45～0.6MPa, its retraction that expands all has controllability, is used for radiation and divides that the high pressure water pocket has visual sign under the X-ray＜5 end to end when going into to treat 〉.

6, series of conduits is split in composited high pressure water capsule prostate expansion according to claim 1, it is characterized in that the Type B pipe also can be made into A type pipe station-keeping mode.