CN103861196B - A kind of urine exporter of supplemental lubrication agent in real time - Google Patents
A kind of urine exporter of supplemental lubrication agent in real time Download PDFInfo
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- CN103861196B CN103861196B CN201410085315.0A CN201410085315A CN103861196B CN 103861196 B CN103861196 B CN 103861196B CN 201410085315 A CN201410085315 A CN 201410085315A CN 103861196 B CN103861196 B CN 103861196B
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Abstract
A urine exporter for supplemental lubrication agent in real time, comprises head end, interlude, tail end and lubricant injection device; Interlude comprises that urethral catheterization intubate and built-in hollow thereof leads core; Head end is provided with the built-in intubate top guide of leading the formation of core front end with hollow at intubate head; Tail end comprises that intubate afterbody locker and hollow leads core afterbody locker; It is integrated that the intubate top guide of head end and the hollow of interlude are led core; The nozzle that hollow is led the lubricant of core is arranged on the downstream of intubate head and the upstream of intubate top guide, or is arranged on head end foremost; At tail end, engage to the rear removable of intubate afterbody locker and intubate interlude; Hollow leads core afterbody locker and hollow is led the afterbody strong bonded of core; The afterbody that hollow is led core is led core afterbody locker by hollow and is communicated with lubricant injection device. The present invention can reduce intubate resistance, reduces the damage of urethra inwall; Easily by the narrow and region of obstruction in patient body; Can precisely control the direction of motion and the angle of catheter.
Description
Technical field
The present invention relates to a kind of urethral catheterization device, especially relate to the urine exporter of supplemental lubrication agent in real time.
Urine exporter of the present invention comprises the catheter of ripe title.
Background technology
Catheterization is one of main operation of diagnosis and treatment of Urology Surgery. Before intubate, conventionally with lubricator smear and leadUrinary catheter with reduce resistance, but in the operational stroke that reaches more than 20 centimeter, the narrowest position multidigitIn the exit of hyperplasia of prostate. The end of this position in stroke. It is lubricated when catheter arrives this positionThe amount of agent is very little residual, and intubate resistance is large. Difficulty is passed through region of obstruction.
Conventional silica fubber cathete hardness is inadequate, and when intubate is hampered, flexible distortion is difficult inserts, thrustBe difficult to concentrate on catheter tip, be difficult for by blocking place, therefore, clinical catheterization often has failure.
Especially, for the male patient of hyperplasia of prostate, its prostate section urethra bending, elongation, urethraLike crack shape, the prostata tissue of hyperplasia is to urethra inner process, and compressing urethra, makes rear urethra luminal stenosis,Cause urinary catheter to insert difficulty.
In order to solve difficult intubation, when intubate, adopt catheter lubricated more. But catheter approaches out prostatitisWhen gland oral area, catheter head end does not have lubricant substantially, and this situation had both increased intubate difficulty, easily led againCause the damage of urethra inwall.
When clinical manipulation, in the catheter of being everlasting, insert wire and lead core, to increase catheter hardness, sideJust operation. But in prior art, the tube head of catheter is solid, seal wire can not arrive its top and be stressed.If seal wire arranged dark, easily skid off and damage urethra from conduit side opening, cross shallow catheter proximal end and loseSeal wire supports, because soft being difficult for imports.
Particularly, when inserting wire lead core in catheter, lead core print end, tail end all fixing. GoldBelonging to silk can lengthwise movement in catheter. Wire head end is easily deviate from and damages urethra from side opening. AndAnd wire easily rotates in catheter, be difficult to control operation.
Catheter is inserted in the situation of failure, adopts bladder stoma centesis that the urine of retention is discharged more. OftenThe centesis of rule fistulization are larger to patient's damage, hemorrhage more, complicated operation and easy infection. Be with to patientCarry out larger misery.
Summary of the invention
The object of this invention is to provide a kind of urine exporter of supplemental lubrication agent in real time, it can insertIn the overall process of urethra, provide at any time sufficient lubricant, full dilating urethra.
Another object of the present invention is to provide a kind of urine exporter of supplemental lubrication agent in real time, itsCan guarantee that thrust concentrates on urethral catheterization tube head.
Another object of the present invention is to provide a kind of urine exporter of supplemental lubrication agent in real time, itsCan prevent to lead core and deviate to damage urethra.
Another object of the present invention is to provide a kind of urine exporter of supplemental lubrication agent in real time, itsCan prevent to lead core undesirable rotation occurs.
For this reason, according to an aspect of the present invention, provide a kind of urine exporter, it is characterized in that,Comprise head end, interlude, tail end and lubricant injection device; Interlude comprise urethral catheterization intubate and inThe hollow of putting is led core; Head end is provided with the built-in intubate top guide of leading the formation of core front end with hollow at intubate head;Tail end comprises that intubate afterbody locker and hollow leads core afterbody locker; Intubate top guide and the interlude of head endHollow to lead core integrated; The nozzle that hollow is led the lubricant of core is arranged on the downstream of intubate head and insertsThe upstream of pipe top guide, or be arranged on head end foremost; At tail end, in intubate afterbody locker and intubateBetween the rear removable ground of section engage; Hollow leads core afterbody locker and hollow is led the afterbody strong bonded of core;The afterbody that hollow is led core is led core afterbody locker by hollow and is communicated with lubricant injection device.
Preferably, also comprise following technical characterictic at least one of them: urethral catheterization outlet is intubate interludeAfterbody, or be arranged on the position of the close intubate afterbody of intubate pars intermedia; In the middle of the intubate of intubate interludePortion is also provided with to fluid cell inlet and liquid medicine injection entrance; Be provided with circulation capsule passage and medicine liquid channel.
Preferably, head end and interlude are plugged in together; Or head end and interlude are the structures of one.
Preferably, lubricant injection device is gradable injection filling gun, syringe, sacculus or transfusionPump; And/or head end is provided with curve transition section.
Preferably, lead with hollow the intubate top guide that core front end forms and closely and be easily engaged in to dismounting head endIn; And hollow is led the afterbody of core and is interference fitted in hollow and leads in core afterbody locker.
Preferably, hollow is led core afterbody locker and lubricant injection device is removably combined together;The mouth of urinating of intubate be arranged on intubate top guide a downstream, be positioned at the downstream portion of head end, and be arranged in intubateBetween the upstream of portion and head end junction; Or the nozzle that hollow is led the lubricant of core doubles as the mouth of urinating of intubate.
According to another aspect of the present invention, provide a kind of urine deriving method, it is characterized in that,Fluid cell passage, medicine liquid channel and urinary pathway are set in urethral catheterization intubate, in urethral catheterization intubate, arrangeHollow for delivery of lubricant is led core; Make front end that hollow leads core closely but be easily engaged in and lead to dismountingThe head end of urine intubate; The tail end that makes hollow lead core is interference fitted in leads on core print seat; Lead the front end of core in hollowFront horizontal lubricant nozzle is set; Lead with hollow the lubricant that core communicates and lead to leading in core print seat to arrangeRoad; Lubricant injection device is communicated with this lubricant passageway, lubricant all can be moistened in intubate whole processSlide and dilating urethra.
Preferably, further make this lead core print seat secure fit on lubricant injection device, make hollow lead core,Lead core print seat, injection device can coaxial rotating.
Preferably, the controlled dosage that is made as of injection volume of lubricant injection device is injected; Before hollow is led coreThe rear side of end and hollow are led between the front side of tail end of core urinary pathway are set; Or lubricant nozzle is held concurrentlyThe mouth of urinating.
Preferably, the cornerite that catheter head end and hollow are led the curve transition section of core is set to °-180 °, α=120.According to the present invention, lubricant is at intubate omnidistance all Castor Oil and dilating urethra, and then the resistance of reduction intubate,Reduce the damage of urethra inwall.
According to the present invention, lead core and increased the hardness of catheter due to hollow, can guide inserting of catheterPipe operation, makes the intubate can flexural deformation in advancing, and makes thrust can concentrate on the head end of catheter, because ofThis, intubate is easily by the narrow and region of obstruction in patient body.
According to the present invention, the two ends of leading core due to hollow all firmly fix, can not be in catheter before and afterSlide or double swerve, can prevent from deviating to damage urethra because leading core from side opening, and can with catheterCoaxially, equidirectional, with angle rotate. Catheter, hollow leads core, leading core print seat can be coaxially, in the same way,Rotate with angle; Catheter, hollow are led core, led core print seat, injection device or injection device front end can be coaxially,In the same way, with angle rotation, therefore, can precisely control the direction of motion of catheter and insert angle.
Brief description of the drawings
Fig. 1 is the urethral catheterization principle schematic according to the intubate of leading core with hollow of the present invention.
Fig. 2 is the mounting structure schematic diagram of leading core head according to intubate head of the present invention and hollow.
Fig. 3 inserts according to an aspect of the present invention according to of the present invention, and pipe afterbody and hollow are led core afterbodyMounting structure schematic diagram with intubate afterbody jockey.
Fig. 4 is the mounting structure schematic diagram that hollow according to the present invention is led core and injection device.
Fig. 5 is the mounting structure schematic diagram according to injection device of the present invention and syringe.
Detailed description of the invention
As described in Figure 1, urine exporter according to the present invention comprises head end, interlude, tail end, He RunLubrication prescription syringe. Wherein, so-called interlude is that built-in hollow is led core on the basis of traditional catheter;Head end is at the built-in intubate top guide of traditional intubate head; Tail end comprises that intubate afterbody locker and hollow leadsCore afterbody locker.
Say further, at head end, intubate top guide is led core with the hollow of interlude and is communicated with. An enforcementIn example, the mouth of urinating of intubate be arranged on intubate top guide a downstream, be positioned at the downstream portion of head end, and be positioned atThe upstream of intubate pars intermedia fixing point in head end; The nozzle that hollow is led the lubricant of core is arranged on intubate headThe upstream of the downstream of portion and intubate top guide. This embodiment is more conducive to intravesical urine emptying.
In the embodiment of another one designs simplification, urinate mouthful and the hollow of intubate is led the lubricant of coreNozzle can be a hole.
At tail end, the afterbody of intubate afterbody locker and intubate interlude can link together for convenience detachly;Hollow is led core afterbody locker and hollow and is led the afterbody of core and connect securely; The afterbody that hollow is led core is logicalCrossing hollow leads core afterbody locker and is communicated with lubricating syringe.
Meanwhile, the intubate pars intermedia of intubate interlude is also provided with to air bag inflatable mouth and liquid medicine injection entrance, gasCapsule passage and medicine liquid channel can be same as the prior art.
In the present invention, air bag of the prior art can be replaced by fluid injection swelling bag or gas injection expansionCapsule. The gas injecting, except air, can also be other gases; The liquid injecting is except water, all rightOther liquid.
In one embodiment, head end and interlude are plugged in together.
In another embodiment, head end and interlude are the structures of one.
As shown in Figure 2, in one embodiment, comprise slotting according to the head end of urine exporter of the present inventionTube head 10-13 and intubate top guide 20.
Intubate head 10-13 comprises guidance spheres 10, cone section 11, changeover portion 12 and junction 13. GuidingThe slightly larger in diameter of ball 10 is in the most advanced and sophisticated diameter of cone section 11; The diameter of changeover portion 12 is from cone section 11 bottomsDiameter increases to the diameter of junction 13 gradually; The diameter of junction 13 is the external diameter of intubate interlude.
In cone section 11, be provided with lubricant nozzle endoporus 16, intubate top guide installation step hole 17 and urethral catheterizationStepped hole 18. The sidewall of lubricant nozzle endoporus 16 is provided with at least one radially lubricant nozzle 14.The intubate top guide 20 that intubate top guide installation step hole 17 and hollow are led core front end keeps good adaptation,But be convenient to extract like a cork hollow and lead core 22 after successful intubate. The sidewall of urethral catheterization stepped hole 18 be provided with toFew hole 15 of urinating.
Urethral catheterization stepped hole 18 extends to changeover portion 12, and prolongs along the bending central axis of changeover portion 12Stretch. Between the outer wall of the hollow inner core 21 of urethral catheterization stepped hole 18 and intubate top guide 20, form cross sectionRingwise urethral catheterization passage 23. At junction 13, be provided with intubate installation step hole 19.
At head end, hollow lead core comprise front end intubate top guide 20, changeover portion lead core elbow 21, peaceThe hollow of straight section is led core 22. Lubricant enters profit along the direction shown in arrow R1, R2, R3, R4, R5Lubrication prescription nozzle endoporus 16, then enter urethra along the direction shown in arrow R6 by lubricant nozzle 14. AndUrine enters along the direction shown in arrow N the hole 15 of urinating, and urinates through urethral catheterization passage 23.
In various embodiment, the changeover portion of head end can be straight type or curved structure.
In one embodiment, can be using lubricant nozzle 14 also as the hole of urinating, grasp in intubate in a holeDo the stage, as lubricant nozzle, and extracting after hollow leads core, again as urinating hole. Like this,Can simplify the internal structure of head end, in bladder, the discharge rate of urine can not be much affected.
The same with the three-cavity catheter of prior art, intubate also can be provided with traditional air bag and filling channel,Also can there is medicine (flushing) passage. Intubate is provided with in the one end of leading the intubate top guide of core near hollow the hole of urinating(side opening) 15, and arrange away from the position of head end excretion cone-shaped interface 132, air bag interface (not shown),Drug irrigation interface (not shown). The hole 15 (side opening) of urinating is positioned in intubate, and air bag is positioned in intubate, intubateTop guide is positioned at the front end of side opening 15, and excretion cone-shaped interface 132 is positioned at the afterbody of intubate.
In another embodiment, air bag and filling channel can replace to liquid capsule and topping up passage.
But the present invention comprises the fluid lubricant passage that prior art does not possess.
In one embodiment, the present invention adopts medical grade silicon rubber material, and production technology comprises refining glue, squeezesBe pressed into pipe, mould pressing cavity head, mold pressing air bag, mold pressing top guide, punching deburring, envelope inner peripheral, bonding top guideDeng.
As shown in Figure 3, the taper seat that the tail end 131 of intubate 13 expands gradually for diameter, tail end 131Inner side is provided with conical bore 132. The conulite of the inner conical surface of conical bore 132 and intubate afterbody locker 4341 male cone (strobilus masculinus) matches. The tail end 131 of intubate 13 is sliding to the direction away from intubate by lock sleeve 50Move and be locked on intubate afterbody locker 43.
Intubate afterbody locker 43 is being provided with hollow cylinder 42 away from one end of conulite 41.
Afterbody 23 that hollow is led core 22 closely cooperates or is interference fitted in hollow and leads core afterbody locker 30In lock hole 32.
As shown in Figure 4, hollow is led core afterbody locker 30 and is removably mounted on intubate afterbody locker 43Hollow cylinder 42 on.
In one embodiment, on the outer surface of the hollow cylinder 42 of intubate afterbody locker 43, arrangeTwo projections 44,45, and hollow lead on core afterbody locker 30 arrange can be enclosed in by its rotation protrudingPlay the coupler body 31 of 44,45 peripheries. On coupler body 31, also can arrange and to make structure body 31 dodge projection 44,45Hook groove 37. Coupler body 31 is provided with and locks half groove that holds of fastening 38, this appearance in a side of leading core 22 in the face of hollowThe space of receiving between half groove and projection 44,45 holds together locking and fastens 38. Locking is fastened 38 and is being faced hollowA side of leading core 22 also can be provided with width and be slightly larger than protruding 44,45 solution locked groove, and like this, locking fastens 38Can become to push away and fasten, more convenient operation, fastens 38 when locking and is pushed to release groove face to projection 44,45 time,Coupler body 31 is in released state; Be pushed to and separate locked groove and depart from projection 44,45 time, hook and fasten 38 when lockingBody 31 is in the lock state.
In another embodiment, can add to grip by a simple elasticity hollow is led to core afterbodyLocker 30 is removably fixed on the outer surface of hollow cylinder 42 of intubate afterbody locker 43.
In addition, hollow is led core afterbody locker 30 in the side away from intubate head, is provided with syringe front endInsert taper hole 33. The smaller diameter end that this syringe front end inserts taper hole 33 is arranged on hollow leads the tail end of core23 end face, and larger diameter end is arranged on the bench port inner face in syringe front end chamber 35.
In one embodiment, on the bench port outer face in syringe front end chamber 35, be also provided with for injectionThe dentation junction surface 36 of device combination. Injection device 60 comprises for leading core afterbody locker 30 with hollowThe conjugate foramen 62 of the band dentation joint portion, bottom surface engaging, allow centre bore 64 that syringe front end 91 passes,With syringe placed cavity 61. Injection device 60 is at least at conjugate foramen 62 places of band dentation joint portion, bottom surfaceThe outer surface at position is provided with connecting thread. Hollow is led on core afterbody locker 30 can also arrange elastic washer70 locating slot 301. Locking cap 80 be provided with hold hollow lead core afterbody locker 30 endoporus 81 and lockTight internal thread 82. Locking cap 80 makes hollow lead core afterbody locker 30 and note by locking internal thread 82Injection device is connected.
In another embodiment, injection device is a simple air bag syringe, is only wherein provided with oneReturning valve, can be smooth end face on the bench port outer face of syringe placed cavity 35.
In another embodiment, the check-valves of lubricant is not arranged in air bag syringe, butBeing arranged on hollow leads in the tail end 23 or syringe front end insertion taper hole 33 of core.
As shown in Figure 5, syringe comprises injection tube 90, syringe front end 91, piston 92, injection rod93 and push-plate 94. Syringe front end 91, through the centre bore 64 of injection device 60, makes injection tube 90Be placed in syringe placed cavity 61. The outer surface of the below of the syringe placed cavity 61 of injection device 60 is establishedThere is guide rail 65. Stepping tooth bar 66 can move forward length by length along guide rail 65, thus with stepping tooth barThe pushing ram 68 of 66 one can promote push-plate 94, promotes piston 92 to back by injection rod 93One step ground is mobile, has thus dosage lubricant and pushes hollow and lead the tail end 23 of core.
Injection tube 90 is fixedly mounted on injection device 60 by pressurization retaining device 70. This pressurization baffle plateDevice 70 can be appropriate configuration of the prior art, for example, comprises a baffle plate that can rotate around pivotWith the bending backplate with transverse elasticity around injection tube 90 in these baffle plate both sides, on the backplate of every side allBe provided with backstop. While pressing lower baffle plate, this baffle plate can overcome the elasticity of two side guard plates and arrive the below of backstop,Under the fastening effect of backstop, baffle plate can not be back to the top of backstop, thereby injection tube 90 passes through baffle plateBe fixedly mounted on injection device 60.
On the contrary, if need to take off injection tube 90, as long as firmly upwards lift baffle plate, baffle plate can overcome both sidesThe elasticity of backplate, removes the fastening effect of backstop, makes the top of baffle plate arrival backstop, thus injection tube 90Can unload from injection device 60.
Stepping tooth bar 66 is spacing by non-return baffle plate 67. Stepping tooth bar 66 comprises a series of tooth, non-return gearPlate 67 inserts in one of them tooth, and in Fig. 5, tooth bar 66 is moved to the left the pact that is not subject to non-return baffle plate 67Bundle, but can not move right by the constraint of non-return baffle plate 67.
In the handle (not shown) of injection device 60, be provided with and advance trigger 69, this propelling trigger 69 is at springUnder effect, being tending towards not certain tooth to stepping tooth bar 66 promotes. If firmly hold this propelling trigger 69,So, advance trigger 69 just to overcome the effect of spring, make to advance a position on trigger 69 to promote stepEnter a tooth on tooth bar 66, make stepping tooth bar 66 occur in the joint that is moved to the left a tooth in Fig. 5Distance, thus lead the lubricant of the interior propelling doses of tail end 23 of core to hollow.
According to the present invention, catheter has hollow and leads core, and catheter top guide has lubricant passageway or opening;Leading core print seat 30 can removably be connected with injection device 60 easily, realizes coaxial with turning.
According to the present invention, in the time using this catheter, lubricant is led the tail end 23 of core from injection via hollowDevice 60 arrives the head end of catheter, then enters urethra from the lubricant passageway of head end top guide. Like this,Just can ensure in intubate process, the omnidistance head end that has enough lubricants to be positioned at catheter, meanwhile,The lubricant injecting from catheter head end also plays the effect of dilating urethra, and then reduces the resistance of intubate,Reduce the damage of urethra inwall. The hollow arranging in catheter is led core can increase the hardness of catheter, makes to push awayPower concentrates on the head end of catheter, and therefore, catheter easily passes through the narrow and region of obstruction in patient body,With handled easily.
According to the present invention, the top of catheter head end is top guide or opening shape.
When catheter head end is top guide, top guide has a fluid passage for shot lubrication agent (non-medicine at leastThing or irrigation channel). The head end (being intubate top guide) that hollow is led core is positioned in the head end of catheter. HollowHead end and the top guide afterbody of leading core have good adaptation, and lubricant is led core and passed through top guide liquid through hollowPassage enters urethra.
When catheter head end top is opening-like, the head end that hollow is led core is positioned at catheter head end top end openingLocate or stretch out beyond opening part. Head end and catheter opening part that hollow is led core have good adaptation, profitThe fluid passage that lubrication prescription is led core print end from hollow enters urethra.
According to the present invention, because hollow is led between the head end of core and top guide and had good sealing and tight fitRelation, catheter head end and hollow lead core realized between the two can be coaxial, equidirectional, with angle revolveTurn.
According to the present invention, because catheter head end and hollow are led core print end and are closely cooperated, lubricant can through inSky is led core and is entered urethra by top guide fluid passage.
According to the present invention, to lead core print end and closely cooperate due to catheter head end and hollow, hollow is led core can notBefore and after in catheter, slide or double swerve.
According to the present invention, hollow is led core front end and is had an opening for delivery of liquid substance at least.
According to the present invention, when catheter head end top is top guide, hollow is led core print end and is positioned at top guide afterbody,Hollow leads core print end and top guide afterbody has good adaptation, and lubricant can be led core and pass through top guide through hollowLubricant passageway enters urethra.
According to the present invention, when urinary catheter top is opening, hollow is led core print end and is positioned at catheter top end opening placeOr stretch out opening part, and hollow is led the not essential soft head device of core print end, and hollow is led core print end and is ledUrinary catheter opening part coordinates, and lubricant is led core through hollow and entered urethra.
According to the present invention, the tail end that hollow is led core is provided with leads core print seat 30, and this leads core print seat 30 for fixing hollowLead core 22.
According to the present invention, leading core print seat 30 can connect by a jockey 43,50 and catheter excretion taperMouth 132 coordinates, and also can directly coordinate with catheter excretion cone-shaped interface 132.
According to the present invention, hollow is led core and is coordinated except head end outer wall and catheter head end, tail end lead core print seat withOutside excretion cone-shaped interface coordinates, hollow is led between the outer wall in core stage casing and catheter inwall certain interval.
According to the present invention, hollow leads that core head has a bending (α=120 °-180 °) or without bending. Catheter head endAnd hollow leads the bending that core all has mutual coupling (α=120 °-180 °) and equates, or all without bending.
According to the present invention, hollow is led core and is led the not essential passage communicating with atmosphere of core print seat; Hollow is led coreLead the not essential hand holding handle of core print seat.
According to the present invention, hollow is led being connected of core print end and catheter head end, hollow is led core tail end and ledCore print seat and catheter excretion cone-shaped interface is connected, and hollow is led to core and carried out spacingly, makes to operateIn journey, hollow is led core and is slided and/or double swerve before and after can not be in catheter.
According to the present invention, hollow is led core tail end and is led core print seat (without handle) and can be connected with injection device, also can not connectConnect injection device. According to the present invention, catheter, hollow leads core, leading core print seat can be coaxially, in the same way, same to angleDegree rotation; Catheter, hollow are led core, are led core print seat, injection device or injection device front end can be coaxially, withTo, rotate with angle.
According to the present invention, injection device can be any one shape of filling gun, syringe, sacculus or infusion pumpFormula. Injection device with lead core print seat and closely cooperate. Injection device is detachable. Filling gun is multi-level injection, noteThe amount of penetrating can be controlled. Hollow is led core, is led core print seat, injection device can coaxial rotating.
According to the present invention, hollow is led core and is had certain hardness, can guide the intubate operation of catheter,In addition, or the conveyance conduit of lubricant. Lead core hard moderate, make intubate can pass through smoothly prostateNarrow positions.
According to the present invention, hollow is led core print end and is connected with being sealed and matched of catheter head end, can guarantee to lubricateAgent enters urethra. According to the present invention, hollow is led core tail end and is led core print seat and catheter excretion cone-shaped interface place and joinClose connection, can limit the motion of leading core print seat.
According to the present invention, catheter head end has injection canal, lubricant from injection device through hollow lead core,Catheter head end enters urethra, and the omnidistance shot lubrication agent of energy in intubate process, even export at prostatePlace also can ensure enough lubricants, thereby can reduce intubate resistance.
According to the present invention, lubricant penetrates from the fluid passage of catheter top guide, and a large amount of lubricants enterUrethra, has the effect of dilating urethra.
According to the present invention, hollow is led core and is supported whole catheter, and has certain degree of hardness, and intubate is advancedIn can flexural deformation, the strength of propelling concentrates on catheter head end, easily by narrow region of obstruction.
According to the present invention, lead core print end, tail end fixing spacing, avoided leading core in catheter longitudinallyMotion, can prevent from deviating to damage urethra because leading core from side opening.
According to the present invention, lead core print end, tail end fixing spacing, catheter, hollow leads core, leads core print seat,Injection device or injection device front end can be coaxially, in the same way, with angle rotation, therefore, can control accuratelyThe direction of motion of catheter and insertion angle.
Closely but easy-off fit structure can be for example spline fitted structure.
Claims (12)
1. a urine exporter, is characterized in that, comprises head end, interlude, tail end and lubricant injection device; MiddleSection comprises that urethral catheterization intubate and built-in hollow thereof leads core; Head end is provided with and built-in leads with hollow inserting that core front end forms at intubate headPipe top guide, intubate head comprises guidance spheres, cone section, changeover portion and junction, the slightly larger in diameter of guidance spheres is most advanced and sophisticated in cone sectionDiameter; The diameter of changeover portion increases to the diameter of junction gradually from the diameter of cone section bottom; The diameter of junction is in the middle of intubateThe external diameter of section; Tail end comprises that intubate afterbody locker and hollow leads core afterbody locker; In the intubate top guide of head end and interludeIt is integrated that sky is led core; The nozzle that hollow is led the lubricant of core is arranged on the downstream of intubate head and the upstream of intubate top guide, or establishesPut at head end foremost, head end is provided with curve transition section, in cone section, is provided with lubricant nozzle endoporus, lubricant nozzle endoporusSidewall be provided with at least one radially lubricant nozzle; At tail end, the afterbody of intubate afterbody locker and intubate interlude is removableUnload and engage; Hollow leads core afterbody locker and hollow is led the afterbody strong bonded of core; Hollow is led the afterbody of core and is led core by hollowAfterbody locker is communicated with lubricant injection device, leads core print seat secure fit on lubricant injection device, makes hollow lead core, leadCore print seat, injection device can coaxial rotatings.
2. urine exporter as claimed in claim 1, is characterized in that, the afterbody that urethral catheterization outlet is intubate interlude, orBe arranged on the position of the close intubate afterbody of intubate pars intermedia.
3. urine exporter as claimed in claim 1, is characterized in that, the intubate pars intermedia of intubate interlude be also provided with toThe inlet of fluid cell and the inlet of liquid.
4. urine exporter as claimed in claim 1, is characterized in that, the intubate pars intermedia of intubate interlude is also provided with streamLogical capsule passage and medicine liquid channel.
5. urine exporter as claimed in claim 1, is characterized in that, head end and interlude are plugged in together; Or head endWith interlude be the structure of one.
6. urine exporter as claimed in claim 1, is characterized in that, the note that lubricant injection device is gradable injectionPenetrate rifle, syringe, sacculus or infusion pump.
7. urine exporter as claimed in claim 1, is characterized in that, the intubate top guide of leading the formation of core front end with hollow is tightBe engaged in head end to close and easy dismounting; And hollow is led the afterbody of core and is interference fitted in hollow and leads in core afterbody locker.
8. urine exporter as claimed in claim 1, is characterized in that, hollow is led core afterbody locker and lubricant injectionDevice is removably combined together; The mouth of urinating of intubate be arranged on intubate top guide a downstream, be positioned at the downstream portion of head end, andBe positioned at the upstream of intubate pars intermedia and head end junction; Or the nozzle that hollow is led the lubricant of core doubles as the mouth of urinating of intubate.
9. a urine exporter, is characterized in that, fluid cell passage, medicine liquid channel is set in urethral catheterization intubate and urinates logicalRoad, the hollow that is provided for conveyor lubricant in urethral catheterization intubate is led core; Make front end that hollow leads core closely but easily join to dismountingBe combined in the head end of urethral catheterization intubate; The tail end that makes hollow lead core is interference fitted in leads on core print seat; Lead the front of the front end of core establishes in hollowPut horizontal lubricant nozzle; Lead with hollow the lubricant passageway that core communicates leading in core print seat to arrange; Make lubricant injection device withThis lubricant passageway is communicated with, and makes lubricant at intubate omnidistance all Castor Oil and dilating urethra, and intubate head comprises guidance spheres, coneSection, changeover portion and junction, the slightly larger in diameter of guidance spheres is in the most advanced and sophisticated diameter of cone section; The diameter of changeover portion is from cone section bottomDiameter increases to the diameter of junction gradually; The diameter of junction is the external diameter of intubate interlude; The head end of urine exporter is provided withCurve transition section is provided with lubricant nozzle endoporus in cone section, and the sidewall of lubricant nozzle endoporus is provided with at least one and radially moistensLubrication prescription nozzle.
10. urine exporter as claimed in claim 7, is characterized in that, further makes this lead core print seat secure fit lubricatedOn agent injection device, make hollow lead core, lead core print seat, injection device can coaxial rotating.
11. urine exporters as claimed in claim 10, is characterized in that, make the injection volume control of lubricant injection device beDosage injection; Leading the rear side of core front end and hollow in hollow leads between the front side of tail end of core urinary pathway is set; Or, lubricatedAgent nozzle doubles as the mouth of urinating.
12. urine exporters as claimed in claim 10, is characterized in that, the head end of urethral catheterization intubate and hollow are led the bag of coreAngle is set to °-180 °, α=120.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085315.0A CN103861196B (en) | 2014-03-10 | 2014-03-10 | A kind of urine exporter of supplemental lubrication agent in real time |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085315.0A CN103861196B (en) | 2014-03-10 | 2014-03-10 | A kind of urine exporter of supplemental lubrication agent in real time |
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| Publication Number | Publication Date |
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| CN103861196A CN103861196A (en) | 2014-06-18 |
| CN103861196B true CN103861196B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410085315.0A Active CN103861196B (en) | 2014-03-10 | 2014-03-10 | A kind of urine exporter of supplemental lubrication agent in real time |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823109A (en) * | 2017-03-28 | 2017-06-13 | 孙元山 | Self-lubricate hurtless measure catheter |
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| US3726281A (en) * | 1971-12-08 | 1973-04-10 | Bard Inc C R | Self-lubricating catheter |
| DE20319306U1 (en) * | 2003-12-13 | 2005-05-04 | B. Braun Medicare Gmbh & Co. Kg | Urine drainage catheter with provision for lubrication and antisepsis includes flexible tube running along interior of catheter lumen and connected to outlet on catheter tip |
| CN201701620U (en) * | 2010-05-10 | 2011-01-12 | 海盐康源医疗器械有限公司 | Catheter with elbow pipe |
| CN202270246U (en) * | 2011-09-06 | 2012-06-13 | 杭州博菲医疗器械有限公司 | Urethral catheter with bent guide head |
| CN203425357U (en) * | 2013-08-21 | 2014-02-12 | 天津市泌尿外科研究所 | Double-cavity urethral probe |
| CN203898905U (en) * | 2014-03-10 | 2014-10-29 | 向谷兮 | Catheterizing device capable of supplementing lubricant in real time |
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2014
- 2014-03-10 CN CN201410085315.0A patent/CN103861196B/en active Active
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|---|---|---|---|---|
| US3726281A (en) * | 1971-12-08 | 1973-04-10 | Bard Inc C R | Self-lubricating catheter |
| DE20319306U1 (en) * | 2003-12-13 | 2005-05-04 | B. Braun Medicare Gmbh & Co. Kg | Urine drainage catheter with provision for lubrication and antisepsis includes flexible tube running along interior of catheter lumen and connected to outlet on catheter tip |
| CN201701620U (en) * | 2010-05-10 | 2011-01-12 | 海盐康源医疗器械有限公司 | Catheter with elbow pipe |
| CN202270246U (en) * | 2011-09-06 | 2012-06-13 | 杭州博菲医疗器械有限公司 | Urethral catheter with bent guide head |
| CN203425357U (en) * | 2013-08-21 | 2014-02-12 | 天津市泌尿外科研究所 | Double-cavity urethral probe |
| CN203898905U (en) * | 2014-03-10 | 2014-10-29 | 向谷兮 | Catheterizing device capable of supplementing lubricant in real time |
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| Publication number | Publication date |
|---|---|
| CN103861196A (en) | 2014-06-18 |
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Application publication date: 20140618 Assignee: Wuhan fast Technology Co., Ltd. Assignor: Ouyang Zhiwei|Xiang Guxi Contract record no.: 2016420000023 Denomination of invention: Urine drainage device capable of supplementing lubricant in real time Granted publication date: 20160511 License type: Exclusive License Record date: 20160907 |
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Effective date of registration: 20171229 Address after: 430013 Hankou city square, Wuhan City, Hubei Province, Jiang'an District, No. 1805 Patentee after: Wuhan fast Technology Co., Ltd. Address before: No. 5, 104 gates, 23 street, Metallurgical 23 street, Qingshan District, Hubei, Hubei Co-patentee before: Ouyang Zhiwei Patentee before: Xiang Guxi |
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