CN103932757B - Adjustable type percutaneous kidney operation sheath - Google Patents
Adjustable type percutaneous kidney operation sheath Download PDFInfo
- Publication number
- CN103932757B CN103932757B CN201410146115.1A CN201410146115A CN103932757B CN 103932757 B CN103932757 B CN 103932757B CN 201410146115 A CN201410146115 A CN 201410146115A CN 103932757 B CN103932757 B CN 103932757B
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- CN
- China
- Prior art keywords
- circle body
- cylinder
- layer circle
- sheath
- adjustable type
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
- A61B2017/22025—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement applying a shock wave
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22072—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other
Abstract
The invention discloses a kind of adjustable type percutaneous kidney operation sheath, sheath body including tubulose, described sheath body includes outermost layer circle body and internal layer circle body, described outermost layer circle body and described internal layer circle body are with screw-threaded engagement, described outermost layer circle body makes the work week footpath of described sheath body reduce or expand relative to described internal layer circle body towards the screw-threaded engagement relation that is screwed through of different directions, when the work week footpath of described sheath body reduces, described internal layer circle body highlights forward relative to described outermost layer circle body.Use the present invention, enter renal calices after operation sheath week footpath suitably can be turned down or calculus is smashed taking-up by ureter upper end, operate safe and reliable, and procedure efficiency can be improved, shorten operating time.
Description
Technical field
The present invention relates to internal rubble and take stone operating theater instruments, particularly a kind of adjustable type percutaneous kidney operation
Sheath.
Background technology
Percutaneous nephrolithotomy is commonly called as " burrow and take stone ", sees Fig. 1, and it opens 0.5cm by patient's waist
The otch of left and right, sets up and takes stone passage from skin to kidney, inserts kidney mirror by operation sheath 6, logical
Cross ultrasonic pneumatic ballistic lithotriptor or pyelolithiasis 5, particularly Staghorn calculus are hit by Ho.YAG laser lithotripsy machine
Calculus is further taken out after broken.It is high that calculus takes clean rate, and the wound stayed with patient is minimum, and goes out insufficiency of blood,
Mean operative time 30 minutes, within postoperative 35 days, patient gets final product out-of-bed activity.But for there is kidney
Small cup calculus 4 or the patient of proximal ureteral calculus 7, be likely to be due to traditional operation sheath week footpath and fix, lead
Cause cannot be introduced into renal calices or proximal ureteral, and particularly when merging, small cup neck is narrow or ureter is the narrowest and small
Time, have cause the tear of neck or the ureter perforation may if being forced through approaching side.
Summary of the invention
Present invention is primarily targeted at and overcome the deficiencies in the prior art, it is provided that a kind of adjustable type percutaneous
Kidney operation sheath, can not only take out pyelolithiasis, additionally it is possible to be safely extracted out calyceal calculi and urine output
Pipe epimere calculus, solves with the bottleneck problem existing for existing PCN operating theater instruments, the most also may be used
To improve procedure efficiency.
For achieving the above object, the present invention is by the following technical solutions:
A kind of adjustable type percutaneous kidney operation sheath, including the sheath body of tubulose, described sheath body includes outermost layer
Circle body and internal layer circle body, described outermost layer circle body and described internal layer circle body are with screw-threaded engagement, described outermost
Layer circle body makes described relative to described internal layer circle body towards the screw-threaded engagement relation that is screwed through of different directions
The work week footpath of sheath body reduces or expands, at least the work week footpath at described sheath body reduces,
Described internal layer circle body highlights forward relative to described outermost layer circle body.
Preferably, described outermost layer circle body includes that clamp nut, described internal layer circle body include shrinking cylinder,
The front portion of described contraction cylinder highlights in the front end of described clamp nut all the time, outside described contraction cylinder
Surface has the screw member that the female thread with described clamp nut is meshed, along away from described fastening
The direction of nut, described screw member the most gradually swells in the outer surface of described contraction cylinder,
Described contraction cylinder has contractility diametrically.
It is highly preferred that the longitudinal cross-section of described screw member is wedge shape.
It is highly preferred that the flat board knot that described screw member is the drum surface being perpendicular to described contraction cylinder
Structure.
It is highly preferred that described screw member is pyramidal structure.
It is highly preferred that described contraction cylinder is the cylinder that sidewall head and the tail freely interlock, wherein cylinder side wall
Tail end fold the inner side of the head end into cylinder side wall, form the reel structure radially with contractility.
It is highly preferred that described contraction cylinder has 3 described screw members, first screw member position
In the head end of cylinder side wall, second and the 3rd screw member spaced set successively, and first
Screw member and the 3rd screw member angular span in cylinder circumference are less than 180 degree.
It is highly preferred that described contraction cylinder has in diametrically opposed 2 of described contraction cylinder
Individual described screw member.
Preferably, described outermost layer circle body is for having female outer layer barrel, described internal layer circle body bag
Include and there is externally threaded middle cylinder, the female thread of described outer layer barrel and the outer spiral shell of described middle cylinder
Stricture of vagina is meshed, and described outer layer barrel is screwed through screw thread relative to described middle cylinder towards different directions
Meshing relation makes described middle cylinder to front prominent or be retracted into described outer layer in described outer layer barrel
In cylinder.
It is highly preferred that described internal layer circle body also includes that nexine cylinder, described middle cylinder also have interior spiral shell
Stricture of vagina, described nexine cylinder has external screw thread, the female thread of described middle cylinder and described nexine cylinder
External screw thread is meshed, and described middle cylinder is relative to described nexine cylinder being screwed through towards different directions
Screw-threaded engagement relation makes described nexine cylinder to front prominent or be retracted into described in described middle cylinder
In middle cylinder.
The Advantageous Effects of the present invention:
The work week footpath adjustable size of the sheath body of percutaneous kidney of the present invention operation sheath, can be fully solved to pass
The bottleneck problem existing for PCN operation technique sheath of system, when needing, can fit operation sheath week footpath
After turning down, entrance renal calices to smash taking-up by calculus in renal calices, and ureter upper end calculus is as the same, safety
Reliably, it is to avoid cause renal calices, ureter tear, perforation, therefore can disposably process pyelolithiasis,
Calyceal calculi, ureter upper end calculus, and after calculus is smashed, also operation sheath Zhou Jing can be tuned up,
Thus improve rubble clear stone efficiency, improve procedure efficiency.
Use the present invention, percutaneous nephroscope lithotripsy can be improved and take stone operation safety, improve procedure efficiency,
Shorten operating time, thus alleviate misery and the financial burden of patient.
Accompanying drawing explanation
Fig. 1 is traditional percutaneous nephrolithotomy schematic diagram；
Fig. 2 is that the adjustable type percutaneous kidney operation sheath of the embodiment of the present invention takes stone schematic diagram；
Fig. 3 a-Fig. 3 c is the adjustable type percutaneous kidney operation sheath structural representation of an embodiment of the present invention
Figure；
Fig. 4 a-Fig. 4 b is the adjustable type percutaneous kidney operation sheath structural representation of another kind embodiment of the present invention
Figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.State under it is emphasized that
Bright that be merely exemplary rather than in order to limit the scope of the present invention and application thereof.
Refering to Fig. 2-Fig. 4 b, according in embodiments of the invention, a kind of adjustable type percutaneous kidney operates
Sheath includes the sheath body 8 of tubulose, and sheath body 8 includes outermost layer circle body and internal layer circle body, outermost layer circle body with
Internal layer circle body is with screw-threaded engagement, and outermost layer circle body is relative to internal layer circle body being screwed through towards different directions
Screw-threaded engagement relation makes the work week footpath of sheath body 8 reduce or expand, at least in the work week of sheath body 8
Under the state that footpath reduces, internal layer circle body highlights forward relative to outermost layer circle body.Art technology
Personnel are it is understood that described screwing can be to be made by assistive device or with in the way of manual or both hold concurrently
With, implement to screw to another one while one in being relatively fixed outermost layer circle body and internal layer circle body,
Or make both reversely turn simultaneously.
In percutaneous nephroscope lithotripsy lithotomy, merge calyceal calculi or ureter for there is pyelolithiasis
The patient of epimere calculus, owing to traditional operation sheath bore is fixed, may cause operating sheath and cannot be introduced into kidney
Small cup or proximal ureteral, particularly when merging small cup neck is narrow or ureter is the narrowest and small, if entering by force
Enter it would be possible to cause neck tear or a ureter perforation.The percutaneous kidney operation sheath work of the embodiment of the present invention
Make week footpath can flexible size, thus completely solve the above bottleneck problem of traditional operation sheath, and
Ensure that operation technique efficiency.
When using percutaneous kidney operation sheath to enter in kidney to carry out rubble/take stone operation, can be by rotation
Turn the outermost layer circle body of operation sheath, by the threaded engagement relation of outermost layer circle body Yu internal layer circle body, can
The work week footpath making the internal layer circle body of operation sheath reduces or expands, thus regulates the work week footpath of operation sheath
Size, when needing, such as, when carrying out rubble/take stone in needs enter renal calices or ureter, can will grasp
Make to enter after the work week footpath of sheath is suitably turned down renal calices or ureter, calculus is smashed, safe and reliable,
It is not result in renal calices or ureter tear, perforation, and can disposably process pyelolithiasis, renal calices knot
Stone and ureter upper end calculus.And after calculus is smashed, again can be by opposite direction torquing operations sheath
Outermost layer circle body, tunes up the work week footpath of operation sheath, thus improves rubble clear stone efficiency.
As shown in Fig. 3 a-Fig. 3 c, in a kind of preferred embodiment, outermost layer circle body includes fastening spiral shell
Female 2, internal layer circle body includes shrinking cylinder 3, and the outer surface shrinking cylinder 3 has and clamp nut 2
The screw member 1 that is meshed of female thread, along the direction away from clamp nut 2, screw member 1
The most gradually swell in the outer surface shrinking cylinder 3, shrink cylinder 3 and have diametrically and can receive
Contracting.In this embodiment, the front portion shrinking cylinder 3 is to highlight the front end at clamp nut 2 all the time.
Such as Fig. 3 a, in a more preferred embodiment, the longitudinal cross-section of screw member 1 is wedge shape.As
Shown in Fig. 3 c, screw member 1 can be the slab construction being perpendicular to shrink the drum surface of cylinder 3.
Screw member 1 is also not necessarily limited to slab construction, such as, can also be gradually to become towards the direction of clamp nut 2
Narrow conical part.
It addition, as shown in Figure 3 b, in a more preferred embodiment, shrinking cylinder 3 can use sidewall first
The cylinder that tail freely interlocks, wherein the tail end of cylinder side wall folds the inner side of the head end into cylinder side wall, shape
There is on radially the reel structure of contractility.
As shown in Figure 3 b, in one particularly preferred embodiment, shrink cylinder 3 and there are 3 screw threads
Component 1, first screw member is positioned at the head end of cylinder side wall, second and the 3rd screw member
Spaced set successively, and first screw member and the 3rd screw member angle in cylinder circumference
Degree span is less than 180 degree.
Certainly, it is also feasible for arranging less or more screw member.For example, it is also possible to shrinking
Cylinder 32 relative screw members are radially set.
Sheath body can use fine thread form realize regulation and control, make sheath body work week footpath from 12Fr to 24Fr
Between controllable, interval regulation and control amplitude with 2Fr for increase and decrease.
See Fig. 4 a-Fig. 4 b, in another kind of embodiment, outermost layer circle body for tool female outside
Layer cylinder 9, internal layer circle body includes that middle cylinder 10, middle cylinder 10 have external screw thread, outer layer barrel
The female thread of 9 is meshed with the external screw thread of middle cylinder 10, and outer layer barrel 9 is relative to middle cylinder 10
Towards different directions screw can by screw-threaded engagement relation make middle cylinder 10 in outer layer barrel 9 to
Before prominent or retract.
As shown in Figs. 4 a-b, in more excellent embodiment, internal layer circle body includes middle cylinder 10
With nexine cylinder 11, middle cylinder 10 has external screw thread and female thread, and nexine cylinder 11 has outer spiral shell
Stricture of vagina, the female thread of outer layer barrel 9 is meshed with the external screw thread of middle cylinder 10, middle cylinder 10
Female thread is meshed with the external screw thread of nexine cylinder 11, and outer layer barrel 9 is relative to middle cylinder 10 court
Different directions screw can by screw-threaded engagement relation make middle cylinder 10 in outer layer barrel 9 forward
Highlight or retract, and middle cylinder 10 can pass through towards screwing of different directions relative to nexine cylinder 11
Screw-threaded engagement relation makes nexine cylinder 11 to front prominent or retraction in middle cylinder 10.
It is different from the embodiment shown in Fig. 3 a-Fig. 3 c, in the embodiment shown in Fig. 4 a-Fig. 4 b,
Only when turning the work week footpath of sheath body down, the front portion of middle cylinder 10 or the front portion of nexine cylinder 11 or
Middle cylinder 10 and the anterior of nexine cylinder 11 just highlight in the front end of outer layer barrel 9.
Should be understood that in each embodiment, based on tubular sheath body 8, the detection of various routine, broken can be applied
Stone/take stone means, such as kidney microscopy survey, ultrasonic air pressure rubble, negative pressure taking stone etc., to these known skills
It will not go into details for art.
Above content is that to combine concrete preferred implementation made for the present invention the most specifically
Bright, it is impossible to assert the present invention be embodied as be confined to these explanations.For technology belonging to the present invention
For the those of ordinary skill in field, without departing from the inventive concept of the premise, it is also possible to if making
Dry simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. an adjustable type percutaneous kidney operation sheath, including the sheath body of tubulose, it is characterised in that described
Sheath body includes outermost layer circle body and internal layer circle body, and described outermost layer circle body and described internal layer circle body are with screw thread
Engagement, described outermost layer circle body is nibbled towards the screw thread that is screwed through of different directions relative to described internal layer circle body
Conjunction relation makes the work week footpath of described sheath body reduce or expand, and reduces in the work week footpath of described sheath body
State under, described internal layer circle body highlights forward relative to described outermost layer circle body, described outermost
Layer circle body includes that clamp nut, described internal layer circle body include shrinking cylinder, the front portion of described contraction cylinder
All the time highlighting the front end at described clamp nut, the outer surface of described contraction cylinder has and described fastening
The screw member that the female thread of nut is meshed, along the direction away from described clamp nut, described spiral shell
Stricture of vagina component the most gradually swells in the outer surface of described contraction cylinder, and described contraction cylinder is radially
On there is contractility.
2. adjustable type percutaneous kidney operation sheath as claimed in claim 1, it is characterised in that described spiral shell
The longitudinal cross-section of stricture of vagina component is wedge shape.
3. adjustable type percutaneous kidney operation sheath as claimed in claim 1, it is characterised in that described
Screw member is the slab construction of the drum surface being perpendicular to described contraction cylinder.
4. adjustable type percutaneous kidney operation sheath as claimed in claim 1, it is characterised in that described
Screw member is pyramidal structure.
5. the adjustable type percutaneous kidney operation sheath as described in any one of Claims 1-4, its feature
Being, described contraction cylinder is the cylinder that sidewall head and the tail freely interlock, and wherein the tail end of cylinder side wall is folded
Enter the inner side of the head end of cylinder side wall, form the reel structure radially with contractility.
6. adjustable type percutaneous kidney operation sheath as claimed in claim 5, it is characterised in that described receipts
Contracting cylinder has 3 described screw members, and first screw member is positioned at the head end of cylinder side wall, the
Two and the 3rd screw member spaced set successively, and first screw member and the 3rd screw thread
Component angular span in cylinder circumference is less than 180 degree.
7. adjustable type percutaneous kidney operation sheath as claimed in claim 1, it is characterised in that described
Shrink cylinder and there is the described screw member in diametrically opposed 2 at described contraction cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146115.1A CN103932757B (en) | 2014-04-11 | 2014-04-11 | Adjustable type percutaneous kidney operation sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146115.1A CN103932757B (en) | 2014-04-11 | 2014-04-11 | Adjustable type percutaneous kidney operation sheath |
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| Publication Number | Publication Date |
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| CN103932757A CN103932757A (en) | 2014-07-23 |
| CN103932757B true CN103932757B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410146115.1A Active CN103932757B (en) | 2014-04-11 | 2014-04-11 | Adjustable type percutaneous kidney operation sheath |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105989775A (en) * | 2015-02-17 | 2016-10-05 | 高小峰 | Subrenal calyx-adjustable ureteroscope operation training model |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696297A (en) * | 1985-02-27 | 1987-09-29 | Farco-Pharma Gmbh | Process for collecting fragments which are obtained on shattering stones in body cavities of living humans and other mammals |
| CN2867375Y (en) * | 2005-12-23 | 2007-02-07 | 张俊源 | Lens regulating structure for industry using inside viewing lens |
| EP1886635A1 (en) * | 2005-06-03 | 2008-02-13 | Olympus Medical Systems Corp. | Stent deployment device |
| CN201182594Y (en) * | 2008-04-11 | 2009-01-21 | 彭玉平 | Visual endoscope guide sheath |
| CN101390771A (en) * | 2008-10-09 | 2009-03-25 | 飞秒光电科技(西安)有限公司 | Puncture oriented adherent observation type puncture endoscope for percutaneous renal stone-extraction operation |
| CN202313262U (en) * | 2011-11-18 | 2012-07-11 | 刘西和 | Medical telescopic ureterorenoscope |
| CN202397433U (en) * | 2011-12-09 | 2012-08-29 | 闵以克 | Endoscope connection device capable of realizing longitudinal micro adjustment and transverse round-looking |
| EP2623018A1 (en) * | 2012-02-03 | 2013-08-07 | Arthrex, Inc. | Sheathless arthoscope and system |
| CN203841755U (en) * | 2014-04-11 | 2014-09-24 | 徐白生 | Adjustable percutaneous kidney operating sheath |
-
2014
- 2014-04-11 CN CN201410146115.1A patent/CN103932757B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696297A (en) * | 1985-02-27 | 1987-09-29 | Farco-Pharma Gmbh | Process for collecting fragments which are obtained on shattering stones in body cavities of living humans and other mammals |
| EP1886635A1 (en) * | 2005-06-03 | 2008-02-13 | Olympus Medical Systems Corp. | Stent deployment device |
| CN2867375Y (en) * | 2005-12-23 | 2007-02-07 | 张俊源 | Lens regulating structure for industry using inside viewing lens |
| CN201182594Y (en) * | 2008-04-11 | 2009-01-21 | 彭玉平 | Visual endoscope guide sheath |
| CN101390771A (en) * | 2008-10-09 | 2009-03-25 | 飞秒光电科技(西安)有限公司 | Puncture oriented adherent observation type puncture endoscope for percutaneous renal stone-extraction operation |
| CN202313262U (en) * | 2011-11-18 | 2012-07-11 | 刘西和 | Medical telescopic ureterorenoscope |
| CN202397433U (en) * | 2011-12-09 | 2012-08-29 | 闵以克 | Endoscope connection device capable of realizing longitudinal micro adjustment and transverse round-looking |
| EP2623018A1 (en) * | 2012-02-03 | 2013-08-07 | Arthrex, Inc. | Sheathless arthoscope and system |
| CN203841755U (en) * | 2014-04-11 | 2014-09-24 | 徐白生 | Adjustable percutaneous kidney operating sheath |
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|---|---|
| CN103932757A (en) | 2014-07-23 |
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Effective date of registration: 20201112 Address after: Block b-4-5-5, Tangji area, Jiangping Industrial Park, Dongxing City, Fangchenggang City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Dongxing Fujia hardware and leather goods Co., Ltd Address before: 332400 Jiangxi Province, Jiujiang Xiushui County, Du Jiang Liang sugar District First People's Hospital of Xiushui County Road Patentee before: Xu Baisheng |