Device is split in visualization prostate expansion
Technical field
The present invention relates to medical instruments more particularly to a kind of expansion of visualization prostate to split device.
Background technique
Obstructive chronic prostatitis is the new concept being recently proposed, and is main show with chronic prostatitis as starting disease
Then occur the disease of bladder outlet obstruction performance after shape, consider to be mostly the chronic prostatitis inflammatory stimulus long-term because of body of gland,
Localized urethral, capsula prostatica and substantive blood flow is caused to increase, adrenoreceptor is excited, leads to bladder sensation allergy, urinates
Frequently, urgent urination urinates dynamic learn and feels that thresholds reduce in inspection at the beginning of filling of bladder.Long-term hyperemia keeps prostatic urethra and neck of urinary bladder fine
It ties up hyperblastosis and the normally disappearance of neck of urinary bladder funnel-shaped structure instead dykes and dams spline structure therefore bladder can be formed
Outlet obstructed, urine outflow is unsmooth, and urine accumulation can increase urinary infection risk, and urinary infection continues to aggravate prostate again
Portion's inflammatory congestion oedema fibrosis aggravates, and forms vicious circle.Bladder outlet obstruction early stage may occur in which that Detrusor contractility is compensatory
Property increase, and it is impaired to occur Detrusor contractility after decompensation.
The patient of obstructive chronic prostatitis, Bladder neck sclerosis, it is often invalid to drug therapy, show serious wing
Guang exports symptom.To obstinate patient, generally require using surgical operation therapy, main modus operandi includes per urethra bladder
Neck hump formula otomy, prostaticovesiculectomy, Transurethral prostatic electroresection A, prostate notacoria crucial incision, neck of urinary bladder
This kind of operation such as plasty has certain effect to urination is improved, but still undesirable on long-term effect.The current hand of hyperplasia of prostate
Art treatment with transurethral prostate resection, laser cut out except etc., but the above operation all exists that wound is big, retrograde ejaculation influences sexual function etc. and asks
Topic.Balloon expandable can split prostate gland envelope, so that body of gland be made to open, reduce urethral resistance, to release patient's obstruction.
It is 2009, brave equal that experimental study has been carried out to this technology, it was confirmed that TUDP(is translated as what Chinese is, whether sacculus
The meaning of expansion) can effectively inflated prostate portion urethra and membranous urethra, and sphincter urethrae does not occur function damage, prompts
TUDP can safely and effectively treat hyperplasia of prostate.But the existing medical instrument for carrying out balloon expandable has the disadvantage that
Peephole can not be cooperated to carry out using so as to cause positioning complexity, setting pipe difficulty;Since dilating catheter is hose, therefore expand
It opens difficult when conduit insertion urethra.
Summary of the invention
The present invention provides easily visualize prostate when one kind can cooperate peephole to use and be inserted into dilating catheter
Device is split in expansion, is solved the medical instrument positioning complexity of existing progress balloon expandable, is set pipe difficulty and insertion dilating catheter difficulty
The problem of.
The above technical problem is solved through the following technical scheme: device is split in a kind of expansion of visualization prostate, and feature exists
In, including urethra insertion auxiliary sheath and dilating catheter, the urethra, which is inserted into, assists sheath to include epitheca and can be threaded through to plug outer
Intrathecal obturator, the outer diameter of the dilating catheter are less than the internal diameter of the epitheca, and the inner end of the dilating catheter is equipped with capsula interna
And external capsule, the capsula interna are looped around on the dilating catheter, the capsula interna is located at outer intracapsular, and the dilating catheter is equipped with interior
The capsula interna liquid injection port of capsule connection, the cleaning solution injection being connected to the external capsule liquid injection port that external capsule is connected to same dilating catheter inner space
Mouthful, position, capsula interna and the external capsule that the dilating catheter is equipped with external capsule are all transparent configuration;The epitheca is set in the expansion and leads
When on pipe, the external capsule is located at the outside of the epitheca, and the position that the dilating catheter is located at external capsule two sides goes out equipped with cleaning solution
Mouthful.In use, urethra insertion auxiliary sheath is placed in by patient's orificium urethrae externum, it is then log out obturator, to form exhibition in urethra
Open walk, position where the camera lens of peephole merging dilating catheter to peephole is located at capsula interna, outwardly with capsule by dilating catheter
The mode of sheath is inserted into through epitheca, and whether being met the requirements by the position where the observation intracapsular capsule of sem observation, (specially capsula interna is placed in
At the musculus sphincter of external urethra), it does not meet, position is met the requirements when coming by adjusting the insertion depth of dilating catheter, cleaning solution note
Entrance connects flushing liquor, by capsula interna liquid injection port water filling fill capsula interna, outward prevent capsula interna from expanding when dilating catheter in move and
Make capsula interna incarceration at external sphincter, enters external capsule through external capsule spout reservoir and expand to split prostate, expansion takes out this after being cleaved into function
Invention.Insertion urethra is convenient when the present invention uses, and peephole can be cooperated easily to know whether capsula interna reaches and encounter position
It sets, therefore positions conveniently.
Preferably, the external capsule is stretched out in the inner end of the dilating catheter.Reliability when external capsule connection can be proposed.
Preferably, the distance that the external capsule is stretched out in the inner end of the dilating catheter is 1-10 millimeters.Connection can be taken into account
Reliability and structural compactness.
Preferably, the outer end of the epitheca is equipped with the baffle ring for protruding from epitheca circumferential surface, circumferential direction of the baffle ring along epitheca
Extend.Inconvenience when can prevent epitheca transition insertion urethra and lead to take out epitheca.Convenience when taking out epitheca is good.
Preferably, the dilating catheter is linear structure.It is convenient when being inserted into epitheca and being inserted into for peephole.
Preferably, the dilating catheter is transparent configuration.It can be improved convenience when production.It is also possible that observation
Status requirement of the mirror in dilating catheter is low.
Preferably, the outer end of the dilating catheter is equipped with handle.It is led during expansion capsule convenient for putting forth effort fixed expansion
It manages and prevents from moving in dilating catheter.
Preferably, the handle and the dilating catheter surround closed loop.It is convenient when operation.
Preferably, two symmetric handles are distributed in the radially opposite sides of the dilating catheter there are two the handles.
It is convenient when use.
Preferably, the external capsule is strip.The effect expanded when splitting prostate is good.
The present invention has an advantage that being inserted into peephole observes, so that can easily know when operation
Whether road capsule is located at the position of needs, has positioned conveniently;It is convenient when dilating catheter to be inserted into.
Detailed description of the invention
Fig. 1 be it is of the invention in seperated state when schematic diagram.
In figure: urethra insertion auxiliary sheath 1, epitheca 11, obturator 12, baffle ring 13, dilating catheter 2, capsula interna 21, external capsule 22,
Capsula interna liquid injection port 23, external capsule liquid injection port 24, cleaning solution inlet 25, handle 26, closed loop 27, the inner end 28 of dilating catheter, cleaning
Liquid outlet 29.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and embodiments.
Referring to Fig. 1, device, including urethra insertion auxiliary sheath 1 and dilating catheter 2 are split in a kind of expansion of visualization prostate.
Urethra insertion auxiliary sheath 1 includes epitheca 11 and can be threaded through to plug outer intrathecal obturator 12.The outer end of epitheca
(outer end is when using positioned at one end of urethral orifice) is equipped with the baffle ring 13 for protruding from epitheca circumferential surface.Baffle ring prolongs along the circumferential direction of epitheca
It stretches.
Dilating catheter is linear structure.The outer diameter of dilating catheter 2 is less than the internal diameter of epitheca.The inner end of dilating catheter is equipped with interior
Capsule 21 and external capsule 22.Capsula interna is looped around on dilating catheter.Capsula interna is olive shape.Capsula interna is located at outer intracapsular.External capsule is strip.Expand
External capsule is stretched out in the inner end 28 for opening conduit.The distance that external capsule is stretched out in the inner end of dilating catheter is 1-10 millimeters.Dilating catheter is equipped with
Capsula interna liquid injection port 23 with capsula interna connection, the external capsule liquid injection port 24 with external capsule connection are connected to clear with same dilating catheter inner space
Washing lotion inlet 25.Position, capsula interna and the external capsule that dilating catheter is equipped with external capsule are all transparent configuration, for convenience, the present embodiment
In entire dilating catheter be all transparent configuration.Epitheca is set in the outside that external capsule when on the dilating catheter is located at epitheca.Expansion
The outer end of conduit is equipped with handle 26.Handle and dilating catheter surround closed loop 27.There are two handles, and two symmetric handles are distributed in institute
State the radially opposite sides of dilating catheter.Dilating catheter, which is located at, is equipped with rinse liquid outlet 29 positioned at the position of external capsule two sides.
In use, urethra insertion auxiliary sheath is placed in by patient's orificium urethrae externum, it is then log out obturator, thus the shape in urethra
At expansion channel, baffle ring gear avoids epitheca from fully entering liner outside urethra.Peephole is placed in dilating catheter, most preferably
Position is position where the camera lens of peephole is located at capsula interna, and dilating catheter is inserted into such a way that capsule is towards epitheca through epitheca, is passed through
Whether the position where the observation intracapsular capsule of sem observation meets the requirements (specially capsula interna is placed at the musculus sphincter of external urethra), does not meet
Position is met the requirements when then coming by adjusting the insertion depth of dilating catheter, and cleaning solution inlet connects flushing liquor, is infused by capsula interna
The water filling of liquid mouth fills into capsula interna, is moved when preventing capsula interna from expanding in dilating catheter outward and make capsula interna incarceration at external sphincter,
Enter external capsule through external capsule spout reservoir and expand to split prostate, expansion takes out the present invention after being cleaved into function.