CN204972425U - Special pipe that attracts of hard mirror of ureter - Google Patents
Special pipe that attracts of hard mirror of ureter Download PDFInfo
- Publication number
- CN204972425U CN204972425U CN201520739790.5U CN201520739790U CN204972425U CN 204972425 U CN204972425 U CN 204972425U CN 201520739790 U CN201520739790 U CN 201520739790U CN 204972425 U CN204972425 U CN 204972425U
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- ureterscopy
- negative pressure
- conduit
- guiding tube
- side opening
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Abstract
The utility model discloses a special pipe that attracts of hard mirror of ureter, include: the aspirator connector, one end is used for attract the pipe to be connected with attraction equipment, the pipe seat is connected in the other end of aspirator connector, and attract the pipe body, install for the root be used for communicateing the pliability pipe of aspirator connector on the pipe seat, and should attract the attraction mouth of the pipe body to include pipe mouth and the pipe side opening of opening to the side of the tube head. The foundation the utility model provides the security of high operation reduces operation time and complication.
Description
Technical field
This utility model relates to a kind of negative pressure catheter being applied to ureterscopy.
Background technology
Ureterscopy is the important means of diagnosis of urinary diseases and treatment, be mainly used in ureteroscope lithotrity, because ureterscopy structure and ureter anatomical structure limit, effective water cycle cannot be formed, in rubble process, mirror downward view is often smudgy, significantly increases operating difficulty and risk.
Chinese patent literature CN101972169A discloses the ureteroscope of a kind of semi-circular shank front end scalable camber, and this ureteroscope by variable-diameter ureteroscope sheath, realizes laser lithotripsy and vacuum suction calculus carries out simultaneously.Mirror sheath is also known as caudal sheath, and use its outlet to rinse, efficiency is relatively low.
Chinese patent literature CN101879056B is a kind of structure by drainage pipe drain, and drainage pipe is a straight tube, although flow area is suitable, such as calculus, broken granularity is also uneven, and larger granule easily blocks drainage pipe.
Current negative pressure catheter is generally luminal structure, urinary system calculus often merges bacteriological infection, existing ureteroscope, such as Chinese patent literature CN201958928U adopts the ureteroscope with water injection pipe, rinsing current can not effectively cause external by the calculus of fragmentation, directly enters in renal pelvis, causes Renal pelvic pressure to increase, antibacterial enters blood, and postoperative have report when there is the even dead case of pyemia.
In addition, the luminal structure of current ureterscopy, for the larger calculus of free property, easily by calculus refunds kidney during ureteroscope water inlet, causes the change of operative failure or modus operandi.The broken calculus of getting off of larger ureteral calculus is also easily return in kidney, causes residual stones.
Summary of the invention
For this reason, the purpose of this utility model is to provide a kind of ureterscopy dedicated suction guiding tube, improves the safety of operation, reduces operating time and complication.
The technical solution adopted in the utility model is:
A kind of ureterscopy dedicated suction guiding tube, comprising:
Suction pump union joint, one end is used for described negative pressure catheter and attracts equipment connection;
Catheter block, is connected to the other end of suction pump union joint; And
Negative pressure catheter body, for root is installed in order to be communicated with the pliability conduit of suction pump union joint on described catheter block, and the conduit side opening that the suction port of this negative pressure catheter body comprises conduit mouth and opens in tube head side.
Above-mentioned ureterscopy dedicated suction guiding tube, optionally, described conduit lateral aperture to running through negative pressure catheter body, and forms opposed holes.
Optionally, described conduit side opening has 2 ~ 6.
Optionally, described conduit side opening aperture is 0.6 ~ 0.8 times of negative pressure catheter body caliber.
Optionally, described catheter block is provided with a pair fin, and corresponding two fins are about the axisymmetrical of catheter block.
Optionally, described suction pump union joint contains one for the bypass of expanded function.
Optionally, described bypass is with control bonnet.
According to described ureterscopy dedicated suction guiding tube of the present utility model, its negative pressure catheter body not only possesses the conduit mouth of conventional negative pressure catheter body, also further provided for conduit side opening, if conduit mouth is blocked, conduit side opening still possesses suction function, thus the maintenance that can continue gets a clear view.Comparatively speaking, the existence of conduit side opening reduces suction pressure, and overall efficiency is higher.And then, owing to can effectively siphon away visual field endoparticle and liquid, thus effectively alleviate Renal pelvic pressure, reduce the risk of septic shock and the generation of other complication.In addition, due to effectively by unnecessary current sucking-off, the motive force before current direction can be reduced, ensures that calculus is positioned at original position.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram according to a kind of ureterscopy dedicated suction guiding tube of the present utility model.
Fig. 2 is the right TV structure schematic diagram corresponding to Fig. 1.
Fig. 3 is the schematic diagram that negative pressure catheter body opening part structure division is cut open.
In figure: 1. suction pump union joint; 11. control bonnet; 12. control valve port; 13. connectors; 2. catheter block; 21. catheter block upper bodies; 22. catheter block lower bodies; 3. negative pressure catheter body; 31. conduit side openings; 32. conduit mouth.
Detailed description of the invention
In the structure shown in Fig. 1 and Fig. 2, its agent structure is negative pressure catheter body 3, and all the other structures are accessory structures that negative pressure catheter body 3 is connected on attraction equipment.
In figure, negative pressure catheter body 3 is straight tubes, but be to be understood that, in the application of reality, because negative pressure catheter body 3 needs to probe into urethra, thus, it should possess certain flexibility, can not close because of the contraction of urethra again, thus should possess certain toughness, this is the indispensable structure of such body simultaneously, belong to the part of prior art, do not repeat them here.
Should be appreciated that the material of negative pressure catheter body 3 should be the material of health care rank simultaneously.
In the structure of a kind of ureterscopy dedicated suction guiding tube as illustrated in fig. 1 and 2, its basic structure comprises:
Suction pump union joint 1, one end is used for described negative pressure catheter and attracts equipment connection, should be appreciated that suction pump union joint 1 should have luminal structure, forms drainage channel.
Simultaneously, be to be understood that, in armarium, the techniques such as injection moulding use more, the structural member that material is identical or substantially identical can adopt one-time formed technique, thus possesses the structure of one with this understanding, therefore, in certain embodiments, suction pump union joint 1 can be included in such as with the integrative-structure of catheter block 2 and negative pressure catheter body 3 or assembly.
Meanwhile, in order to cost-saving, part-structure wherein can repeatedly use, and thus, adopts removable syndeton between the part that single uses and nonexpondable part.
In said structure, suction pump union joint 1 can repeatedly use as the intermediate link connected.
As syndeton in described catheter block 2 one, for the connection by negative pressure catheter body 3 and described suction pump union joint 1, on the other hand, it can be structure as a whole with suction pump union joint 1 on the whole.
Should be appreciated that the different piece of integrative-structure also can use the such word of connection to be described.
As previously mentioned, negative pressure catheter body 3 is agent structures, as the structure of catheter block in Fig. 1 and 22 upper end, the root of negative pressure catheter body 3 is installed on described catheter block 2, general employing such as plastic package structure carries out plastic packaging connection, belongs to non-removable structure, does not have replaceability.
Negative pressure catheter body 3 adopts flexible conduit, its fundamental characteristics and pliability, belongs to the conduit of drainage tube character, should have following characteristics:
There is the feature keeping pipeline unobstructed, namely keep the feature of shape, toughness.In addition, its material should consider biocompatibility on selecting, the phenomenon such as non-stimulated and irritated, can indwelling within the longer time period, thus needs the material selecting the medical grade such as such as silicone rubber.
See Figure of description 3, the mouth of pipe of negative pressure catheter body 3 shows following structure further: the conduit side opening 31 that the suction port of this negative pressure catheter body 3 comprises conduit mouth 32 and opens in tube head side.
About conduit mouth 32 and conduit side opening 31, due to hydromechanical characteristic, even if the gross area of all conduit side openings 31 is larger than conduit mouth 32, when not producing any blocking, outside unless the gross area of conduit side opening 31 is large especially, conduit mouth 32 still can be the primary drainage mouth of fluid, and only when conduit mouth 32 is blocked, conduit side opening 31 just can become main draining hole.
Thus, under normal circumstances, the conduit mouth 32 pointing to calculus meets the requirement attracted fast.
Based on said structure, first can ensure the lasting clear of surgical field of view, often due to hemorrhage when should be appreciated that ureteroscope rubble, rubble powder, purulent secretion causes the visual field fuzzy, is rinsed, inefficiency by caudal sheath outlet in the past.And above-described embodiment, because conduit mouth 32 possesses conventional attraction power, conduit side opening 31 plays auxiliary attraction power, point to outside the attraction in region meeting conduit mouth 32, the dirt affecting visual field of the non-principal region disperse near conduit side opening 31 also can be sucked out, efficiency is high, and scope is wide, thus ensure that the lasting clear of the visual field.
Moreover if conduit mouth 32 is blocked, conduit side opening 31 can bear main sucking action, and need not intubate again, the process of operation can not be affected, thus efficiency is high, also mitigates the misery that patient's repeated intubation produces on the other hand.
Because attract the efficiency comparison of effect high, and blocking impact is less, thus sustainable effective attraction, thus effectively alleviate Renal pelvic pressure, reduce the risk of septic shock.
The urinary system calculus compared often merges bacteriological infection, the flushing current of ureteroscope were external owing to can not effectively be attracted in the past, and directly enter in renal pelvis and cause, Renal pelvic pressure increases, antibacterial enters blood, and postoperative have report when there is the even dead case of pyemia.
In addition, also reduce calculus displacement probability and remnant gallstone rate based on aforesaid structure, compared, existing ureter is luminal structure, for the calculus that free property is larger, easily by calculus refunds kidney during ureteroscope water inlet, cause the change of operative failure or modus operandi.The broken calculus of getting off of larger ureteral calculus is also easily return in kidney, causes residual stones.According to the said structure of above-described embodiment, the feature of transformation luminal structure, attraction power is stronger, effectively by unnecessary current sucking-off, can reduce the power of the promotion before current direction, ensure that calculus is positioned at original position.
In addition said structure also expands Surgery operation indication.Ureteral calculus high-order in the past often easily occurs that calculus is return in kidney and the problem of residual stones, often need to coordinate Flexible ureteroscope or kidney mirror to complete rubble, increase patient treatment expense and wound, the treatment of epimere calculus during ureterscopy dedicated suction guiding tube can make ureterscopy equally effectively complete under the support of above technical characterstic.
In order to reduce the excessive impact of bend pipe convection cell flow resistance, described conduit side opening 31 radial direction runs through negative pressure catheter body 3, and forms opposed holes, and can be understood as each conduit side opening 31 has a pair cinclides based on running through structure, bend pipe effect can be reduced based on this kind of structure, thus improve attraction power.
In the construction shown in fig. 1, the number of described conduit side opening 31 has 5, shows 3 in Fig. 3, and generally speaking, perforate number 2 ~ 6 is advisable.Owing to there is bend pipe structure, also not quite, preferably more than three, but too much, too much should not can reduce the intensity of opening part, too much side opening can produce the coefficient of friction change of rubbing surface greatly to the meaning of less conduit side opening 31 practical application simultaneously, affects and inserts.
The pass of conduit side opening 31, based on circular hole, is conveniently processed, and less to tube wall strength damage.
In certain embodiments, the version of such as slotted eye or strip hole can also be adopted, other pass not recommendation.
Pass is preferably circular hole, further, described conduit side opening 31 aperture is 0.6 ~ 0.8 times of negative pressure catheter body 3 caliber, on the one hand avoid sucking larger granule from suction catheter side opening 31, directly cause conduit end, another aspect possesses must through-current capability, therefore, minimum 0.6 times of being not easily less than caliber, and maximum, be not easily greater than 0.8 times of caliber.
As previously mentioned, based on removable structure, or interchangeable structure, described catheter block 2 is provided with a pair fin, and corresponding two fins, about the axisymmetrical of catheter block 2, can clearly be seen that the version of fin see Fig. 1 and Fig. 2.In the position at fin place, for pointing the position gripped when replacing, handled easily.
In certain embodiments, alternatively, described suction pump union joint 1 for the bypass of expanded function, carries out other operation to facilitate containing one.
Further, alternatively, in certain embodiments, described bypass is with control bonnet 11, and in further embodiments, control valve port 12 place in FIG can overlay film, and rete adopts rubber, and the mode of puncture can be used to carry out the operations such as drain.
Claims (7)
1. a ureterscopy dedicated suction guiding tube, is characterized in that, comprising:
Suction pump union joint (1), one end is used for described negative pressure catheter and attracts equipment connection;
Catheter block (2), is connected to the other end of suction pump union joint (1); And
Negative pressure catheter body (3), for root is installed in order to be communicated with the pliability conduit of suction pump union joint on described catheter block (2), and the conduit side opening (31) that the suction port of this negative pressure catheter body (3) comprises conduit mouth (32) and opens in tube head side.
2. ureterscopy dedicated suction guiding tube according to claim 1, is characterized in that, described conduit side opening (31) radial direction runs through negative pressure catheter body (3), and forms opposed holes.
3. ureterscopy dedicated suction guiding tube according to claim 2, is characterized in that, described conduit side opening (31) has 2 ~ 6.
4., according to the arbitrary described ureterscopy dedicated suction guiding tube of claims 1 to 3, it is characterized in that, described conduit side opening (31) aperture is 0.6 ~ 0.8 times of negative pressure catheter body (3) caliber.
5., according to the arbitrary described ureterscopy dedicated suction guiding tube of claims 1 to 3, it is characterized in that, described catheter block (2) is provided with a pair fin, and corresponding two fins are about the axisymmetrical of catheter block (2).
6., according to the arbitrary described ureterscopy dedicated suction guiding tube of claims 1 to 3, it is characterized in that, described suction pump union joint (1) containing one for the bypass of expanded function.
7. ureterscopy dedicated suction guiding tube according to claim 6, is characterized in that, described bypass is with control bonnet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739790.5U CN204972425U (en) | 2015-09-23 | 2015-09-23 | Special pipe that attracts of hard mirror of ureter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739790.5U CN204972425U (en) | 2015-09-23 | 2015-09-23 | Special pipe that attracts of hard mirror of ureter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204972425U true CN204972425U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520739790.5U Expired - Fee Related CN204972425U (en) | 2015-09-23 | 2015-09-23 | Special pipe that attracts of hard mirror of ureter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204972425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108209852A (en) * | 2018-02-08 | 2018-06-29 | 庞广富 | Side view lateral openings ureterorenoscope |
-
2015
- 2015-09-23 CN CN201520739790.5U patent/CN204972425U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108209852A (en) * | 2018-02-08 | 2018-06-29 | 庞广富 | Side view lateral openings ureterorenoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |