CN209153971U - A kind of sacculus back flush device - Google Patents
A kind of sacculus back flush device Download PDFInfo
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- CN209153971U CN209153971U CN201821030234.0U CN201821030234U CN209153971U CN 209153971 U CN209153971 U CN 209153971U CN 201821030234 U CN201821030234 U CN 201821030234U CN 209153971 U CN209153971 U CN 209153971U
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- tube body
- sacculus
- back flush
- water
- flush device
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Abstract
The utility model discloses a kind of sacculus back flush devices, comprising: the tube body of top closure, inside along tube body be axially provided with water flushing channel；Sacculus is arranged near the tube body top；At least one flushing hole is arranged on the tube body below the sacculus, and be connected to the water flushing channel；Waterflood path is connected to the sacculus.Sacculus back flush device described in the utility model is provided with sacculus in tube body front end, and plays plugging action by filling the water into sacculus, is washed by water outward by flushing hole, rubble is reversely flowed out, securely and reliably.
Description
Technical field
The utility model relates to the field of medical instrument technology, and more particularly, the utility model relates to a kind of sacculus is reversed
Flusher.
Background technique
Most commonly seen in calculi in urinary system be also the most critical is ureteral calculi, and ureteral calculi causes patient acute
Strong colic pain, and its obstruction can lead to ipsilateral nephredema (urine), the severe sense of the threat to life such as concurrent pyonephrosis of some patientss
Dye, or cause Ipsilateral kidney due to renal plevis hypertonia atrophy to nonfunctional.Ureter stone operation goldstandard is through urinating at present
Road ureteroscope laser/pneumatic ballistic lithotripsy stone-extraction operation (URL).Calculus is smashed by laser or Pneumatic Lithotripsy, and with foreign matter
It clamps multi-pass operation and takes out rubble.
Suffer from for calculus in renal plevis or because ureteroscope rubble process careless manipulation causes ureteral calculi to be retracted into renal plevis
Person is feasible to have invasive procedures-percutaneous nephroscope lithotripsy stone-extraction operation (PCNL) or urethra Flexible ureteroscope laser lithotripsy stone-extraction operation of passing through.It is right
In row soft lens patient, surgical procedure is extremely complex, and surgical effect is bad, and patient needs to undertake times over hard videoendoscopic surgery expense
With.Therefore ureteral calculi is once retracted into renal plevis, is all sizable misfortune to patient and patient.
For current hard mirror URL, needing to wash by water along ureteroscope into mirror direction, this is hidden intracavitary to maintain ureter
Visual area, and go out the residual stone smashed.But direct motion bath is easy to cause calculus to retract into renal plevis, and majority Grade A hospital is using envelope at present
Stifled device avoids this problem, but plugging device can not stop direct motion water and flow into renal plevis, cause renal plevis pressure to increase, renal plevis pressure increases
Height can lead to urine and reversely enter blood circulation of human body system, and pathogen is made to enter blood, cause bacteremia, postoperative pyrexia etc. many simultaneously
Disease is sent out, therefore clinician can only complete rubble operation under poor visual area, and need to inject frusemide and dexamethasone etc. in art
Drug alleviates symptom；And the calculus of powdered can be also driven in the wrong direction by plugging device gap into renal plevis, and adverse consequences is caused.
Hard mirror URL brief surgical procedure is at present: guide pipe 100 (i.e. ureteroscope) is protruded into ureter through bladder
In, the structure of the guide pipe 100 as shown in Figure 1, it is hollow structure, and the front end of guide pipe 100 be provided with light source 110,
Camera 120 and handle hole 130, light source 110 and camera 120 can be convenient for the positions of calculus in observation ureter, manually
Operation protrudes into plugging device 200 so that guide pipe 100 stretches near calculus, through guide pipe 100, and (China is real for plugging device 200
It is as shown in Figure 2 with the structure of new patent 201420521420.X) comprising seal wire 210, conduit 220, plug 230, it is described
210 distal end of seal wire passes through the conduit 220, and the plug 230 is the gold that can stretch conduit 220 described in expansion and all retraction
Belong to helical spring structure, and the metal coil spring structure is the narrow oval section volute spring structure in the wide distal end in proximal end, it is described
210 distal end of seal wire is connect with 230 proximal end of plug.When protruding into plugging device through guide pipe 100, the plug 230 is complete
In portion's retraction conduit 220, after seal wire 210 and conduit 220 cross calculus 240, remote control seal wire 210 makes plug from leading
Helical spring structure is stretched out and formed in pipe 220, calculus 240 is blocked, as shown in figure 3, being protruded into later by guide pipe 100 sharp
Light source or electromagnetic beam smash calculus.After calculus is smashed, it can pass through: (1) be protruded into guide pipe by tweezers, through handle hole
By rubble plus go out, but operating difficulties, it is time-consuming and laborious；(2) it washes by water by jet water spout and by handle hole to rubble, by blocking
The closure of object so that rubble and water flow reversely flow out together, but since plug is spring like, between have the gap, washing by water
In the process, it is easy to rubble be poured in renal plevis by the gap of plug, caused except stone operative failure.
From surgical procedure above it can be concluded that there are drawbacks for operation method at present are as follows:
1, providing visual area technology at present for URL operation is direct motion bath, and calculus can pour renal plevis by water flow, and operation is caused to be lost
It loses, treating method is using ductus arteriosus occluder calculus at present, but plugging device can not stop water flow and drive in the wrong direction to renal plevis, and renal plevis pressure increases
Height can lead to urine and reversely enter blood circulation of human body system, and pathogen is made to enter blood, cause bacteremia, postoperative pyrexia etc. many simultaneously
Disease is sent out, therefore clinician can only complete rubble operation under poor visual area, and need to inject frusemide and dexamethasone etc. in art
Drug alleviates symptom；And the calculus of powdered can be driven in the wrong direction by plugging device gap into renal plevis.
2, current operation method causes the residual stone smashed in ureter not take out completely, when one section postoperative by patient at present
Between Self-discharged, effect is not very definite, for being likely to occur stone rank compared with maximum size is postoperative, again lead to ureteral obstruction,
Second operation is needed to treat.And bulk calculus removing method repeatedly passes in and out ureter clamping, operating process mainly by foreign body forceps at present
Cumbersome, ureter wound is serious.
Utility model content
For defect and drawback present in above-mentioned current operation, the purpose of this utility model is to have designed and developed a bulb
Capsule back flush device prevents rubble from moving upwards, and by bath, rubble is normally flowed out.
Technical solution provided by the utility model are as follows:
A kind of sacculus back flush device, comprising:
The tube body of top closure, inside along tube body be axially provided with water flushing channel；
Sacculus is arranged near the tube body top；
At least one flushing hole is arranged on the tube body below the sacculus, and be connected to the water flushing channel；
Waterflood path is connected to the sacculus.
Preferably, the flushing hole is circumferentially uniformly arranged along the tube body or the flushing hole is along the tube body circumferential one
Determine arrangement in angle.
Preferably, the tube body top is arc surface；The sacculus lower surface is provided with particle and/or cilium.
Preferably, the waterflood path is axially disposed in the inboard wall of tube body along tube body, and the other end extends
The tube body.
Preferably, further includes:
Connector can be connected by locking mechanism with the rear end of the tube body；
The connector includes:
First passage is connected to the water flushing channel；
Second channel is connected to the waterflood path.
Preferably, the locking mechanism includes:
First protrusion, circumferential direction are uniformly arranged on the tube body rear end；
First groove, circumferential direction are uniformly arranged on the waterflood path rear inner wall；
Running-on, to be ring-like, setting is in described connector one end, for tube body described in fitting；
Second groove, setting is circumferential in the running-on inner wall, can correspond and cooperate with first protrusion；
The first passage is arranged in the connector center, can be connected to the water flushing channel；
The second channel is axially disposed in the inner nosepiece wall along the connector, and extends described connect
Head, for embedding in the waterflood path；
Second protrusion, setting extends outwardly in the second channel holds circumferential direction, can be a pair of with first groove one
It should cooperate；
Wherein, when the running-on and the tube body fitting, first protrusion and the second groove corresponding matching, institute
State the second protrusion and the first groove corresponding matching.
Preferably, the waterflood path is axially disposed in the irrigation channel along tube body, and the other end extends
The tube body.
Preferably, further includes:
Check valve is connected in the waterflood path end；
Syringe is used to be connected to the check valve, and water is injected into the sacculus by check valve.
Preferably, wire hole is guided, is axially disposed in the inboard wall of tube body along the tube body, is worn for guide wire
It crosses.
A kind of sacculus back flush device for calculi in urinary system, is reversely rushed including sacculus described in above-mentioned any one
Wash device.
It is described in the utility model the utility model has the advantages that
Sacculus back flush device described in the utility model is provided with sacculus in tube body front end, and by infusing into sacculus
Water plays plugging action, is washed by water outward by flushing hole, rubble is reversely flowed out, since sacculus does not have gap, in water
When impacting rubble, the possibility that rubble enters renal plevis by gap is avoided, without using tweezers to press from both sides out, integrated operation is convenient,
And it is safe and reliable；Intercepting water flow using sacculus prevents it from going upward to renal plevis, avoids renal plevis high-voltage problem, while can be patient
It provides maximum flow of water to rinse, visual area is clear, after rubble, the residual stone of powdered can also be almost excluded in art, not needed
It is postoperative to arrange stone by patient oneself；It is efficient and maximum to greatly improve ureteroscopic laser/pneumatic ballistic lithotripsy stone-extraction operation
Limit reduces patient's hospital-acquired infection risk.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of guide pipe in the prior art described in the utility model.
Fig. 2 is the structural schematic diagram of plugging device in the prior art described in the utility model.
Fig. 3 is the operation chart of plugging device in the prior art described in the utility model.
Fig. 4 is the structural schematic diagram of sacculus back flush device described in the utility model embodiment 1 (sacculus does not strut).
Fig. 5 is the structural schematic diagram of sacculus back flush device described in the utility model embodiment 1 (sacculus struts).
Fig. 6 is sacculus back flush device structural schematic diagram described in the utility model embodiment 2 (sacculus struts).
Fig. 7 is the schematic cross-sectional view of sacculus back flush device described in the utility model embodiment 2 (sacculus struts).
Fig. 8 is the partial enlarged view of sacculus back flush device rear end described in the utility model embodiment 2.
Fig. 9 is the structural schematic diagram of connector described in the utility model embodiment 2.
Figure 10 is the structural schematic diagram of connector described in the utility model embodiment 2.
Figure 11 is sacculus back flush device structural schematic diagram described in the utility model embodiment 3 (sacculus struts).
Figure 12 is sacculus back flush device structural schematic diagram described in the utility model embodiment 4 (sacculus struts).
Figure 13 is sacculus back flush device structural schematic diagram described in the utility model embodiment 4 (sacculus struts).
Figure 14 is the structural schematic diagram of connector described in the utility model embodiment 4.
Figure 15 is the structural schematic diagram of connector described in the utility model embodiment 4.
Figure 16 is the structural schematic diagram of sacculus back flush device described in the utility model embodiment 5 (including guiding wire hole)
(sacculus does not strut).
Figure 17 is operation chart described in the utility model Application Example 1.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
The utility model can there are many different forms to implement, and should not be construed as limited to again the implementation of this elaboration
Example, on the contrary, these embodiments are provided, so that the disclosure will be thorough and complete.In the accompanying drawings, for clarity, it can overstate
The size and relative size of big structure and region.
The utility model provides a kind of sacculus back flush device, comprising: the tube body of top closure, inside along tube body axis
To water flushing channel is provided with, for being inserted into ureter or urethra；Sacculus is arranged near the tube body top, energy
Ureter or urethra described in enough expansion pluggings；At least one flushing hole is arranged on the tube body below the sacculus,
And it is connected to the water flushing channel；Sacculus is stated in waterflood path, connection.It will be specifically described in detail from following embodiment.
Embodiment 1
As shown in Figure 4,5, the utility model provides a kind of sacculus back flush device, comprising: tube body 300, inside along
Water flushing channel 310 is provided at tube body axial centre, the water flushing channel 310 extends to tube body rear and is preferably provided with water filling
Valve or water filling connector (not shown), and the tube body top is closed structure, encloses water flushing channel 310；Tube body top
End is preferably arc surface, so that avoiding causing to damage to ureter or renal plevis inner wall when tube body is sent into ureter perhaps renal plevis
Wound.
Sacculus 320 is arranged near 300 top of tube body.As a preference, 320 lower surface of sacculus is set
It is equipped with particle and/or cilium (not shown), when flusher protrudes into calculus rear, after sacculus is propped up, particle and cilium are deposited
It is enabling to sacculus 320 and calculus to have a certain distance, when carrying out laser lithotripsy, can damage sacculus to avoid laser.
Flushing hole 330 is arranged on the tube body below the sacculus 320, and connects with the water flushing channel 310
It is logical, as a preference, the flushing hole 330 is circumferentially uniformly arranged along the tube body and/or along parallel 300 axis of tube body
To direction spaced set.As a preference, being arranged in certain angle of the flushing hole 330 along tube body circumferential direction.For above-mentioned
It is also possible to unevenly arrange it is preferred that flushing hole 330 can be evenly arranged, or even 1 flushing hole 330 is only set.
Waterflood path 340, is axially disposed in the inboard wall of tube body along tube body and one end is connected to the sacculus, separately
The tube body is extended in one end, and is connected with check valve and syringe (not shown) in turn, for into the sacculus 320
Water filling makes its expansion.Tube body described in the present embodiment is integrally integrally formed.As a preference, 330 material of tube body is polyester material
Material.
Embodiment 2
As shown in Fig. 6,7,8, the utility model provides a kind of sacculus back flush device, comprising: tube body 300, internal edge
Tube body 300 is axial is provided with water flushing channel 310, the water flushing channel 310 extends to tube body rear and is preferably provided with water filling
Valve or water filling connector (not shown), and the tube body top is closed structure, encloses water flushing channel 310；Tube body top
End is preferably arc surface, so that avoiding causing to damage to ureter or renal plevis inner wall when tube body is sent into.
Sacculus 320, be arranged near 300 top of tube body, 320 lower surface of sacculus be provided with particle and/or
Cilium (not shown), when flusher protrudes into calculus rear, after sacculus is propped up, the presence of particle and cilium enables to sacculus
320 have a certain distance with calculus, when carrying out laser lithotripsy, can damage sacculus to avoid laser.
Flushing hole 330 is arranged on the tube body below the sacculus 320, and connects with the water flushing channel 310
It is logical, as a preference, the flushing hole 330 is circumferentially uniformly arranged along the tube body and/or along parallel 300 axis of tube body
To direction spaced set.As a preference, being arranged in certain angle of the flushing hole 330 along tube body circumferential direction.For above-mentioned
It is also possible to unevenly arrange it is preferred that flushing hole 330 can be evenly arranged, or even 1 flushing hole 330 is only set.
Waterflood path 340, is axially disposed in the inboard wall of tube body along tube body 300 and one end and the sacculus connect
It is logical.
In the present embodiment, 300 rear end of tube body is circumferentially evenly arranged with the first protrusion 350, and the waterflood path 340
Rear inner wall is circumferentially evenly arranged with the first groove 341.It is additionally provided with connector 400, as shown in Figures 9 and 10 comprising: running-on
410, to be ring-like, setting is in described 400 one end of connector, for tube body 300 described in fitting；410 inner wall of running-on is circumferential
It is evenly arranged with the second groove 420, second groove 420 is corresponded with first protrusion 350 to be cooperated；The connector
400 are provided centrally with first passage 430, are connected to the water flushing channel 310, and outer end is provided with water injection valve and (does not show in figure
Out)；It further include second channel 440, one end is arranged in 400 inner wall of connector, and along the parallel 400 axial direction side of connector
It to extending outwardly, is connected to for embedding in the waterflood path 340 with the waterflood path 340, the other end extends described connect
First 400, and it is provided with check valve and syringe (not shown)；The second channel 440, which extends outwardly to hold, circumferentially uniformly to be set
It is equipped with the second protrusion 441, second protrusion 441 is corresponded with first groove 341 to be cooperated.Wherein, when the running-on
410 with 300 fitting of tube body when, the described first raised 350, second protrusions 441 corresponding with second groove 420
It is corresponding with first groove 341, enable connector 400 and 300 airtight connection of tube body, the second channel 440 with it is described
340 airtight connection of waterflood path.When in use, guide pipe 100 is protruded into first, then after tube body 300 is protruded into designated position, it can be with
After taking out guide pipe 100, then connector 400 is linked on tube body 300, to carry out subsequent operation.The presence of connector 400 can be square
Just the taking-up of guide pipe 100.
Embodiment 3
As shown in figure 11, the utility model provides a kind of sacculus back flush device, comprising: tube body 300, inside along pipe
Body 300 is axial to be provided with water flushing channel 310, the water flushing channel 310 extend to tube body rear and be preferably provided with water injection valve or
Person fills the water connector (not shown), and the tube body top is closed structure, encloses water flushing channel 310；Tube body top is excellent
It is selected as arc surface, so that avoiding causing to damage to ureter or renal plevis inner wall when tube body is sent into.
Sacculus 320, be arranged near 300 top of tube body, 320 lower surface of sacculus be provided with particle and/or
Cilium (not shown), when flusher protrudes into calculus rear, after sacculus is propped up, the presence of particle and cilium enables to sacculus
320 have a certain distance with calculus, when carrying out laser lithotripsy, can damage sacculus to avoid laser.
Flushing hole 330 is arranged on the tube body below the sacculus 320, and connects with the water flushing channel 310
It is logical, as a preference, the flushing hole 330 is circumferentially uniformly arranged along the tube body and/or along parallel 300 axis of tube body
To direction spaced set.As a preference, being arranged in certain angle of the flushing hole 330 along tube body circumferential direction.For above-mentioned
It is also possible to unevenly arrange it is preferred that flushing hole 330 can be evenly arranged, or even 1 flushing hole 330 is only set.
Waterflood path 340 (i.e. a water injection pipe), be axially disposed in the waterflood path 340 along tube body 300 and
One end is connected to the sacculus 320, and the other end extends the tube body 100, and is connected with check valve and syringe in turn (in figure
It is not shown), make its expansion for filling the water into the sacculus 320.Tube body described in the present embodiment is integrally integrally formed.
Embodiment 4
As shown in Figure 12,13, the utility model provides a kind of sacculus back flush device, comprising: tube body 300, internal edge
Tube body be axially provided with water flushing channel 310, the water flushing channel 310 extend to tube body rear and be preferably provided with water injection valve or
Person fills the water connector (not shown), and the tube body top is closed structure, encloses water flushing channel 310；Tube body top is excellent
It is selected as arc surface, so that avoiding causing to damage to ureter or renal plevis inner wall when tube body is sent into.
Sacculus 320, be arranged near 300 top of tube body, 320 lower surface of sacculus be provided with particle and/or
Cilium (not shown), when flusher protrudes into calculus rear, after sacculus is propped up, the presence of particle and cilium enables to sacculus
320 have a certain distance with calculus, when carrying out laser lithotripsy, can damage sacculus to avoid laser.
Flushing hole 330 is arranged on the tube body below the sacculus 320, and connects with the water flushing channel 310
It is logical, as a preference, the flushing hole 330 is circumferentially uniformly arranged along the tube body and/or along parallel 300 axis of tube body
To direction spaced set.As a preference, being arranged in certain angle of the flushing hole 330 along tube body circumferential direction.For above-mentioned
It is also possible to unevenly arrange it is preferred that flushing hole 330 can be evenly arranged, or even 1 flushing hole 330 is only set.
Waterflood path 340 (i.e. a water injection pipe) is arranged in the tube body 100, and one end and the sacculus 320 connect
It is logical.
In the present embodiment, 300 rear end of tube body is circumferentially evenly arranged with protrusion 350, is additionally provided with connector 400, such as schemes
14, shown in 15 comprising: running-on 410, to be ring-like, setting is in described 400 one end of connector, for tube body described in fitting
300；410 inner wall of running-on is circumferentially uniformly arranged fluted 420, and the groove 420 is corresponded with described raised 350；Institute
It states connector 400 and is provided centrally with first passage 430, be connected to the water flushing channel 310, and outer end is provided with water injection valve (figure
In be not shown)；Further include second channel 440, one end is arranged on 400 inner wall of connector, and with the first passage 430
Connection, the other end extend the connector 400；Wherein, 340 (i.e. water injection pipe) other end of waterflood path passes through described the
Two channels 440, and it is provided with check valve and syringe (not shown).When the running-on 410 and 300 fitting of tube body
When, described raised 350 is corresponding with the groove 420, enables connector 400 and 300 airtight connection of tube body, and connector 400 is deposited
It can be convenient exiting back for guide pipe 100.
Embodiment 5
As shown in figure 16, the utility model provides a kind of sacculus back flush device, comprising: tube body 300, inside along pipe
Body is axially provided with water flushing channel 310, and the water flushing channel 310 extends to tube body rear and be preferably provided with water injection valve or note
Water swivel (not shown), and the tube body top is closed structure, encloses water flushing channel 310；Tube body top is preferably
Arc surface, so that avoiding causing to damage to ureter or renal plevis inner wall when tube body is sent into.
Sacculus 320 is arranged near 300 top of tube body, as a preference, 320 lower surface of the sacculus is set
It is equipped with particle and/or cilium (not shown), when flusher protrudes into calculus rear, after sacculus is propped up, particle and cilium are deposited
It is enabling to sacculus 320 and calculus to have a certain distance, when carrying out laser lithotripsy, can damage sacculus to avoid laser.
Flushing hole 330 is arranged on the tube body below the sacculus 320, and connects with the water flushing channel 310
It is logical, as a preference, the flushing hole 330 is circumferentially uniformly arranged along the tube body and/or along parallel 300 axis of tube body
To direction spaced set.As a preference, being arranged in certain angle of the flushing hole 330 along tube body circumferential direction.For above-mentioned
It is also possible to unevenly arrange it is preferred that flushing hole 330 can be evenly arranged, or even 1 flushing hole 330 is only set.
Waterflood path 340, is axially disposed in the inboard wall of tube body along tube body and one end is connected to the sacculus, separately
The tube body is extended in one end, and is connected with check valve and syringe (not shown) in turn, for into the sacculus 320
Water filling makes its expansion.
Tube body described in the present embodiment is integrally integrally formed, and further includes guiding wire hole 350, along described in the present embodiment
Tube body 300 is axially disposed in 300 inner wall of tube body and through the inboard wall of tube body, for protruding into guide wire with guide wire
The moving line of body.
Application Example 1
For ureteroscopic laser/pneumatic ballistic lithotripsy stone-extraction operation (URL), ureteroscope 100 is through bladder first
It is as shown in figure 17 into mirror to urine output my humble opinion calculus along seal wire, it being capable of display end in vitro by ureteroscope light source and camera
Direct-view is lower to complete surgical procedure, and the tube body of control sacculus back flush device enters by operating walk way 100 in ureteroscope mirror body,
And cross calculus to its rear (operating method is tantamount to plugging device used in current operation method), by sacculus water injection valve to
Water filling, props up sacculus in sacculus, and blocking calculus prevents it because direct motion water flow pours renal plevis, later by ureteroscope mirror body
Operating walk way 100 is placed in laser fiber or Pneumatic Lithotripsy etc. and smashes calculus, simultaneously through water injection valve into waterflood path
Water filling, allows the water to reversely flow out through flushing hole and under the action of balloon occluder.After calculus is smashed, keep sacculus reversed
Flusher position is motionless, exits in ureteroscope to bladder, looks at lower monitoring Ipsilateral nozzle straight and is rinsed with higher flow rate and hydraulic pressure
Rubble in ureter out, art finish, and empty sacculus by water injection valve, sacculus back flush device is withdrawn from out of ureter.For urine output
Narrow serious patient is managed, flushing takes stone after this technology also can be directly used for rubble.
Application Example 2
For in Application Example 1, the perimeter of sacculus back flush device is less than or equal to 4mm, it can just facilitated into defeated
In urinary catheter mirror 100, but since perimeter is less than or equal to 4mm, for the patient more for calculus, water-rinsing process dynamics is small to be caused
Effect is poor, can use another way in this case, using the flusher of larger perimeter, rinses speed and hydraulic pressure is bigger, with
Play better effect.
Firstly, ureteroscope is extend into ureter near calculus position, pass through ureteroscope mirror in-vivo procedures later
After channel merging laser fiber or Pneumatic Lithotripsy etc. smash calculus, laser fiber or Pneumatic Lithotripsy etc. are withdrawn from, urine output is also withdrawn from
Guan Jing protrudes into guide wire into ureter and crosses rubble position, one end of guide wire renal plevis on earth, later by sacculus water-flushing device
Guiding wire hole be inserted in the guide wire and protrude into ureter under the guiding of guide wire and cross rubble to its rear, pass through ball
Capsule water injection valve is filled the water into sacculus, props up sacculus, and blocking calculus prevents it because direct motion water flow pours renal plevis, is passed through at the same time
Water injection valve is filled the water into waterflood path, and water passes through flushing hole and reversely flows out under the action of balloon occluder, uses higher flow rate
And hydraulic pressure flushes out rubble in ureter, art finishes, and empties sacculus by water injection valve, sacculus back flush is withdrawn from out of ureter
Device.
Sacculus back flush device described in the utility model is provided with sacculus in tube body front end, and by infusing into sacculus
Water plays plugging action, is washed by water outward by flushing hole, rubble is reversely flowed out, since sacculus does not have gap, in water
When impacting rubble, the possibility that rubble enters renal plevis by gap is avoided, without using tweezers to press from both sides out, integrated operation is convenient,
And it is safe and reliable；Intercepting water flow using sacculus prevents it from going upward to renal plevis, avoids renal plevis high-voltage problem, while can be patient
It provides maximum flow of water to rinse, visual area is clear, after rubble, the residual stone of powdered can also be almost excluded in art, not needed
It is postoperative to arrange stone by patient oneself.It is efficient and maximum to greatly improve ureteroscopic laser/pneumatic ballistic lithotripsy stone-extraction operation
Limit reduces patient's hospital-acquired infection risk.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (9)
1. a kind of sacculus back flush device characterized by comprising
The tube body of top closure, inside along tube body be axially provided with water flushing channel；
Sacculus is arranged near the tube body top；
At least one flushing hole is arranged on the tube body below the sacculus, and be connected to the water flushing channel；
Waterflood path is connected to the sacculus.
2. sacculus back flush device as described in claim 1, which is characterized in that the flushing hole is multiple and along the pipe
Body is circumferentially uniformly arranged or the flushing hole is arranged along the tube body circumferential direction certain angle.
3. sacculus back flush device as described in claim 1, which is characterized in that the tube body top is arc surface；The ball
Capsule lower surface is provided with particle and/or cilium.
4. sacculus back flush device as described in claim 1, which is characterized in that the waterflood path is axially arranged along tube body
In the inboard wall of tube body, and the other end extends the tube body.
5. sacculus back flush device as claimed in claim 4, which is characterized in that further include:
Connector can be connected by locking mechanism with the rear end of the tube body；
The connector includes:
First passage is connected to the water flushing channel；
Second channel is connected to the waterflood path.
6. sacculus back flush device as claimed in claim 5, which is characterized in that the locking mechanism includes:
First protrusion, circumferential direction are uniformly arranged on the tube body rear end；
First groove, circumferential direction are uniformly arranged on the waterflood path rear inner wall；
Running-on, to be ring-like, setting is in described connector one end, for tube body described in fitting；
Second groove, setting is circumferential in the running-on inner wall, can correspond and cooperate with first protrusion；
The first passage is arranged in the connector center, can be connected to the water flushing channel；
The second channel is axially disposed in the inner nosepiece wall along the connector, and extends the connector, uses
In embedding in the waterflood path；
Second protrusion, setting extends outwardly in the second channel holds circumferential direction, can correspond and match with first groove
It closes；
Wherein, when the running-on and when the tube body fitting, first protrusion and the second groove corresponding matching, described the
Two protrusions and the first groove corresponding matching.
7. sacculus back flush device as described in claim 1, which is characterized in that the waterflood path is axially arranged along tube body
In the water flushing channel, and the other end extends the tube body.
8. the sacculus back flush device as described in claim 4,5,6 or 7, which is characterized in that further include:
Check valve is connected in the waterflood path end；
Syringe is used to be connected to the check valve, and water is injected into the sacculus by check valve.
9. the sacculus back flush device as described in any one of claim 1-7, which is characterized in that further include:
Wire hole is guided, is axially disposed in the inboard wall of tube body along the tube body, is passed through for guide wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821030234.0U CN209153971U (en) | 2018-06-27 | 2018-06-27 | A kind of sacculus back flush device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821030234.0U CN209153971U (en) | 2018-06-27 | 2018-06-27 | A kind of sacculus back flush device |
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| Publication Number | Publication Date |
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| CN209153971U true CN209153971U (en) | 2019-07-26 |
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| CN201821030234.0U Expired - Fee Related CN209153971U (en) | 2018-06-27 | 2018-06-27 | A kind of sacculus back flush device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108685615A (en) * | 2018-06-27 | 2018-10-23 | 尚楠 | A kind of sacculus back flush device |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108685615A (en) * | 2018-06-27 | 2018-10-23 | 尚楠 | A kind of sacculus back flush device |
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Granted publication date: 20190726 Termination date: 20210627 |