CN105380716A - Visible ureterorenoscope negative-pressure stone-removing pressure-measuring expanding sheath assembly with marks - Google Patents
Visible ureterorenoscope negative-pressure stone-removing pressure-measuring expanding sheath assembly with marks Download PDFInfo
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- CN105380716A CN105380716A CN201510719396.XA CN201510719396A CN105380716A CN 105380716 A CN105380716 A CN 105380716A CN 201510719396 A CN201510719396 A CN 201510719396A CN 105380716 A CN105380716 A CN 105380716A
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- negative pressure
- clear stone
- channel
- pressure
- ureterorenoscope
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
Abstract
The invention discloses a visible ureterorenoscope negative-pressure stone-removing pressure-measuring expanding sheath assembly with marks. The visible ureterorenoscope negative-pressure stone-removing pressure-measuring expanding sheath assembly with the marks comprises a sheathing canal body, an expanding tube is selectively inserted into the sheathing canal body, a large-cavity channel and a small-cavity channel are formed in the sheathing canal body, the top of the sheathing canal body is provided with a sheathing canal connector, one side of the sheathing canal connector is provided with a pressure detection channel, and the small-cavity channel is communicated with the pressure detection channel. According to the visible ureterorenoscope negative-pressure stone-removing pressure-measuring expanding sheath assembly with the marks, the defects in the prior art can be overcome, and the operation safety and broken stone discharging smooth degree are improved.
Description
Technical field
The invention belongs to technical field of medical instruments, especially a kind of visual ureterorenoscope negative pressure clear stone pressure measurement expansion sheath external member of tape label.
Background technology
Dilatation of ureter sheath external member comprises convergent divergent channel and convergent divergent channel epitheca two large divisions, be mainly used in ureter clinically, bladder, calculus is got in kidney, carrying out related surgical treatment, to set up operation path used, ureterorenoscope is imported by convergent divergent channel sheath channels, laser fiber, calculus removing instrument or operation cable etc., operating procedure: under medical image, per urethra collar extension inserts a zebra guide wire, expansion sheath external member is inserted to getting Plumbum preparatium position under zebra guide wire guides, extract convergent divergent channel and zebra guide wire, ureterorenoscope is imported by convergent divergent channel epitheca, laser fiber, calculus removing instrument or operation cable etc. are to ureter, bladder, or renal pelvis, must can flow out external through sheath tube passage with liquid with rubble while of len by marginal not water in the process of laser lithotripsy, remaining excretes with urine through human urethra.But Renal pelvic pressure power can be caused in the injecting process to exceed renal pelvis safe pressure, increase operation risk.Dilatation of ureter sheath external member of the prior art is all generally single chamber, is difficult to by expansion sheath monitoring renal pelvis pressure in the process of rubble.After rubble, rubble flows out external through liquid expansion sheath external member of the prior art is by natural pressure, and velocity ratio comparatively slowly and discharge not thorough.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of visual ureterorenoscope negative pressure clear stone pressure measurement expansion sheath external member of tape label, can solve the deficiencies in the prior art, improve the safety of operation and the smooth degree of rubble discharge.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows.
A kind of visual ureterorenoscope negative pressure clear stone pressure measurement expansion sheath external member of tape label, comprise sheath pipe body, the inside selectivity of sheath pipe body is plugged with convergent divergent channel, large chamber passage and loculus passage is provided with in described sheath pipe body, the top of sheath pipe body is provided with sheath pipe joint, the side of sheath pipe joint is provided with pressure sensing channel, and loculus passage is connected with pressure sensing channel.
As preferably, the top of described sheath pipe joint is provided with the clear stone channel body of negative pressure, the top of negative pressure clear stone channel body is provided with negative pressure clear stone passage upper cover, silica gel valve is provided with between negative pressure clear stone channel body and negative pressure clear stone passage upper cover, the side of negative pressure clear stone channel body is provided with the clear stone sorption channel of negative pressure, and large chamber passage is connected with the clear stone sorption channel of negative pressure.
As preferably, the top of described convergent divergent channel is provided with convergent divergent channel fixation clamp.
As preferably, described sheath pipe body adopts transparent material to make, and the top of convergent divergent channel is set to soft wedge structure.
As preferably, the surface of described sheath pipe body is provided with scale and indicates.
As preferably, the Front-end Design of described sheath pipe body has developing ring.
As preferably, cavity is provided with in the sidewall of described sheath pipe body, the bottom of cavity is provided with the first cushion chamber, the top of cavity is provided with the second cushion chamber, intermediate cavity is provided with between first cushion chamber and the second cushion chamber, intermediate cavity is connected with large chamber passage, barrier film is provided with between intermediate cavity and large chamber passage, one end of barrier film is connected with sheath pipe body, the other end and the sheath pipe body of barrier film are separated, inflatable chamber is provided with in barrier film, inflatable chamber is communicated with gas tube, the junction of intermediate cavity and the first cushion chamber is provided with reducing, arc joint face is provided with between intermediate cavity and the second cushion chamber.
As preferably, the sidewall of described convergent divergent channel is provided with annular flange flange, and the both sides of annular flange flange are provided with the first air bag layer, and the top of annular flange flange is provided with groove.
As preferably, be provided with chute in the clear stone sorption channel of described negative pressure, sliding in chute is connected with rubber ring, and the inner side of rubber ring is evenly provided with several rubber catch, and adjacent rubber catch is separated from each other.
The beneficial effect adopting technique scheme to bring is: sheath pipe body adopts transparent material to make, the ureteral pathological changes situation such as narrow conveniently can be observed by kidney mirror when inserting apparatus, sheath pipe body is labeled with scale, how long expansion sheath has display, to clinical operation with very large help if entering ureter.The top of convergent divergent channel is set to soft wedge structure, does not damage ureter inwall and sphincter when making to insert ureter and urethra, and effectively shortens the time of putting pipe operation.The Front-end Design of sheath pipe body has developing ring, and doctor, when performing the operation, can be known the particular location watching expansion sheath front end to enter ureter or renal pelvis, avoid blindmate, reduce operation risk by kidney mirror.Sheath pipe shaft design becomes two-chamber, by pressure monitoring passage loculus expanding channels pressure transducer to monitor, renal pelvis pressure can be read effectively and timely, by the waterflood injection rate of kidney mirror in adjustment operation process and the sucking-off speed of the clear stone sorption channel of negative pressure, thus effectively ensure that in operation process, renal pelvis pressure is within the scope of safe pressure, improve operation safety.Cavity can regulate the negative pressure absorbing process of the clear stone process of negative pressure, by changing the swelling degree of inflatable chamber, can change the elastic deformation ability of barrier film, thus in the process of water filling and absorption, cavity can be utilized to adjust in real time for hydraulic pressure.First cushion chamber is used for carrying out snubber and pressurization release to current, and the second cushion chamber is used for carrying out secondary cycle buffering to the current of turnover first cushion chamber, thus realizes the stationarity of whole water filling and suction process.The structure of convergent divergent channel carries out optimizing further according to the double cavity structure of sheath pipe body, by utilizing double cavity structure, annular flange flange can improve the dilating effect of convergent divergent channel, air bag layer is used for disperseing the dilating effect power of convergent divergent channel, thus reduce the sense of discomfort of patient, and improve the uniformity of expansion.Groove contributes to the discharge of hydrops in process of expansion, improves the smoothness of expansion.The internal structure of the clear stone sorption channel of negative pressure arranges cavity to carry out in the sidewall according to sheath pipe body to optimize further, under the regulation and control of cavity for pressure, the rubble of larger volume can produce extruding to rubber catch, rubber ring after running into rubber catch, change current actual internal area, thus the pressure adjusting of cavity is fed back, so that hydraulic pressure changes, rapid rubble is discharged.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the sectional view of one embodiment of the invention mesotheca pipe body.
Fig. 3 is the structure chart of one embodiment of the invention cavity.
Fig. 4 is the structure chart of annular flange flange in one embodiment of the invention.
Fig. 5 is the clear stone sorption channel of negative pressure in one embodiment of the invention.
In figure: 1, sheath pipe body; 2, convergent divergent channel; 3, large chamber passage; 4, loculus passage; 5, sheath pipe joint; 6, pressure sensing channel; 7, the clear stone channel body of negative pressure; 8, negative pressure clear stone passage upper cover; 9, silica gel valve; 10, the clear stone sorption channel of negative pressure; 11, convergent divergent channel fixation clamp; 12, scale indicates; 13, developing ring; 14, cavity; 15, the first cushion chamber; 16, the second cushion chamber; 17, intermediate cavity; 18, barrier film; 19, inflatable chamber; 20, gas tube; 21, reducing; 22, arc joint face; 23, annular flange flange; 24, the first air bag layer; 25, groove; 26, chute; 27, rubber ring; 28, rubber catch; 29, the second air bag layer.
Detailed description of the invention
With reference to Fig. 1-5, the present invention's detailed description of the invention comprises sheath pipe body 1, the inside selectivity of sheath pipe body 1 is plugged with convergent divergent channel 2, large chamber passage 3 and loculus passage 4 is provided with in described sheath pipe body 1, the top of sheath pipe body 1 is provided with sheath pipe joint 5, the side of sheath pipe joint 5 is provided with pressure sensing channel 6, and loculus passage 4 is connected with pressure sensing channel 6.The top of described sheath pipe joint 5 is provided with the clear stone channel body 7 of negative pressure, the top of negative pressure clear stone channel body 7 is provided with negative pressure clear stone passage upper cover 8, silica gel valve 9 is provided with between negative pressure clear stone channel body 7 and negative pressure clear stone passage upper cover 8, the side of negative pressure clear stone channel body 7 is provided with the clear stone sorption channel 10 of negative pressure, and large chamber passage 3 is connected with the clear stone sorption channel 10 of negative pressure.The top of convergent divergent channel 2 is provided with convergent divergent channel fixation clamp 11.Described sheath pipe body 1 adopts transparent material to make, and the top of convergent divergent channel 2 is set to soft wedge structure.The surface of described sheath pipe body 1 is provided with scale and indicates 12.The Front-end Design of described sheath pipe body 1 has developing ring 13.Cavity 14 is provided with in the sidewall of described sheath pipe body 1, the bottom of cavity 14 is provided with the first cushion chamber 15, the top of cavity 14 is provided with the second cushion chamber 16, intermediate cavity 17 is provided with between first cushion chamber 15 and the second cushion chamber 16, intermediate cavity 17 is connected with large chamber passage 3, barrier film 18 is provided with between intermediate cavity 17 and large chamber passage 3, one end of barrier film 18 is connected with sheath pipe body 1, the other end and the sheath pipe body 1 of barrier film 18 are separated, inflatable chamber 19 is provided with in barrier film 18, inflatable chamber 19 is communicated with gas tube 20, the junction of intermediate cavity 17 and the first cushion chamber 15 is provided with reducing 21, arc joint face 22 is provided with between intermediate cavity 17 and the second cushion chamber 16.The sidewall of described convergent divergent channel 2 is provided with annular flange flange 23, and the both sides of annular flange flange 23 are provided with the first air bag layer 24, and the top of annular flange flange 23 is provided with groove 25.Be provided with chute 26 in the clear stone sorption channel 10 of described negative pressure, sliding in chute 26 is connected with rubber ring 27, and the inner side of rubber ring 27 is evenly provided with several rubber catch 28, and adjacent rubber catch 28 is separated from each other.
In addition, the inner side of cavity 14 is provided with the second air bag layer 29.Second air bag layer 29 is when being subject to the different pressures of intermediate cavity 17, first cushion chamber 15 and the second cushion chamber 16, corresponding elastic deformation can be there is, by the elastic deformation of the second air bag layer 29, can change the volume of intermediate cavity 17, first cushion chamber 15 and the second cushion chamber 16 in real time, thus the secondary buffer realizing current flowing pressure regulates.
The present invention can significantly improve the safety of operation and the smooth degree of rubble discharge.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (9)
1. the visual ureterorenoscope negative pressure of a tape label clear stone pressure measurement expansion sheath external member, comprise sheath pipe body (1), the inside selectivity of sheath pipe body (1) is plugged with convergent divergent channel (2), it is characterized in that: in described sheath pipe body (1), be provided with large chamber passage (3) and loculus passage (4), the top of sheath pipe body (1) is provided with sheath pipe joint (5), the side of sheath pipe joint (5) is provided with pressure sensing channel (6), and loculus passage (4) is connected with pressure sensing channel (6).
2. the visual ureterorenoscope negative pressure of tape label according to claim 1 clear stone pressure measurement expansion sheath external member, it is characterized in that: the top of described sheath pipe joint (5) is provided with the clear stone channel body (7) of negative pressure, the top of negative pressure clear stone channel body (7) is provided with negative pressure clear stone passage upper cover (8), silica gel valve (9) is provided with between negative pressure clear stone channel body (7) and negative pressure clear stone passage upper cover (8), the side of negative pressure clear stone channel body (7) is provided with the clear stone sorption channel (10) of negative pressure, large chamber passage (3) is connected with the clear stone sorption channel (10) of negative pressure.
3. the visual ureterorenoscope negative pressure of tape label according to claim 1 clear stone pressure measurement expansion sheath external member, is characterized in that: the top of described convergent divergent channel (2) is provided with convergent divergent channel fixation clamp (11).
4. the visual ureterorenoscope negative pressure of tape label according to claim 1 clear stone pressure measurement expansion sheath external member, it is characterized in that: described sheath pipe body (1) adopts transparent material to make, and the top of convergent divergent channel (2) is set to soft wedge structure.
5. the visual ureterorenoscope negative pressure of tape label according to claim 1 clear stone pressure measurement expansion sheath external member, is characterized in that: the surface of described sheath pipe body (1) is provided with scale and indicates (12).
6. the visual ureterorenoscope negative pressure of tape label according to claim 1 clear stone pressure measurement expansion sheath external member, is characterized in that: the Front-end Design of described sheath pipe body (1) has developing ring (13).
7. the visual ureterorenoscope negative pressure of tape label according to claim 1 clear stone pressure measurement expansion sheath external member, it is characterized in that: in the sidewall of described sheath pipe body (1), be provided with cavity (14), the bottom of cavity (14) is provided with the first cushion chamber (15), the top of cavity (14) is provided with the second cushion chamber (16), intermediate cavity (17) is provided with between first cushion chamber (15) and the second cushion chamber (16), intermediate cavity (17) is connected with large chamber passage (3), barrier film (18) is provided with between intermediate cavity (17) and large chamber passage (3), one end of barrier film (18) is connected with sheath pipe body (1), the other end and the sheath pipe body (1) of barrier film (18) are separated, inflatable chamber (19) is provided with in barrier film (18), inflatable chamber (19) is communicated with gas tube (20), intermediate cavity (17) is provided with reducing (21) with the junction of the first cushion chamber (15), arc joint face (22) is provided with between intermediate cavity (17) and the second cushion chamber (16).
8. the visual ureterorenoscope negative pressure of tape label according to claim 7 clear stone pressure measurement expansion sheath external member, it is characterized in that: the sidewall of described convergent divergent channel (2) is provided with annular flange flange (23), the both sides of annular flange flange (23) are provided with the first air bag layer (24), and the top of annular flange flange (23) is provided with groove (25).
9. the visual ureterorenoscope negative pressure of tape label according to claim 8 clear stone pressure measurement expansion sheath external member, it is characterized in that: in the clear stone sorption channel (10) of described negative pressure, be provided with chute (26), slide in chute (26) and be connected with rubber ring (27), the inner side of rubber ring (27) is evenly provided with several rubber catch (28), and adjacent rubber catch (28) is separated from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510719396.XA CN105380716B (en) | 2015-10-30 | 2015-10-30 | A kind of visual ureterorenoscope negative pressure clear stone pressure measurement expansion sheath external member of tape label |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510719396.XA CN105380716B (en) | 2015-10-30 | 2015-10-30 | A kind of visual ureterorenoscope negative pressure clear stone pressure measurement expansion sheath external member of tape label |
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| Publication Number | Publication Date |
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| CN105380716A true CN105380716A (en) | 2016-03-09 |
| CN105380716B CN105380716B (en) | 2018-06-01 |
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| CN201510719396.XA Active CN105380716B (en) | 2015-10-30 | 2015-10-30 | A kind of visual ureterorenoscope negative pressure clear stone pressure measurement expansion sheath external member of tape label |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108175483A (en) * | 2018-02-22 | 2018-06-19 | 上海英诺伟医疗器械有限公司 | Visual guidance sheath |
| CN109589155A (en) * | 2018-11-12 | 2019-04-09 | 孟祥锋 | A kind of Urology Surgery lithangiuria calculus removing instrument |
| CN109984717A (en) * | 2019-04-27 | 2019-07-09 | 湖南普方德医疗发展有限公司 | Combined type ureterorenoscope |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020125697A1 (en) * | 2020-10-01 | 2022-04-07 | Urotech Gmbh | Amplatz sleeve and dilation system |
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| US20040181273A1 (en) * | 2003-03-10 | 2004-09-16 | Evan Brasington | Dilator with expandable member |
| WO2007027830A1 (en) * | 2005-08-31 | 2007-03-08 | Vance Products Incorporated | Coaxial dilatation method for stent implantation |
| CN101836853A (en) * | 2009-03-18 | 2010-09-22 | 理查德·沃尔夫有限公司 | Ureterorenoscope |
| CN204428598U (en) * | 2015-01-27 | 2015-07-01 | 山西瑞克普生物科技有限公司 | A kind of dilatation of ureter sheath |
| CN204520868U (en) * | 2015-01-29 | 2015-08-05 | 深圳市康医博科技发展有限公司 | A kind of Wicresoft expansion two-chamber ureter guiding sheath external member |
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2015
- 2015-10-30 CN CN201510719396.XA patent/CN105380716B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040181273A1 (en) * | 2003-03-10 | 2004-09-16 | Evan Brasington | Dilator with expandable member |
| WO2007027830A1 (en) * | 2005-08-31 | 2007-03-08 | Vance Products Incorporated | Coaxial dilatation method for stent implantation |
| CN101836853A (en) * | 2009-03-18 | 2010-09-22 | 理查德·沃尔夫有限公司 | Ureterorenoscope |
| CN204428598U (en) * | 2015-01-27 | 2015-07-01 | 山西瑞克普生物科技有限公司 | A kind of dilatation of ureter sheath |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108175483A (en) * | 2018-02-22 | 2018-06-19 | 上海英诺伟医疗器械有限公司 | Visual guidance sheath |
| CN109589155A (en) * | 2018-11-12 | 2019-04-09 | 孟祥锋 | A kind of Urology Surgery lithangiuria calculus removing instrument |
| CN109984717A (en) * | 2019-04-27 | 2019-07-09 | 湖南普方德医疗发展有限公司 | Combined type ureterorenoscope |
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| CN105380716B (en) | 2018-06-01 |
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Inventor after: Liu Qigui Inventor after: Ma Weiqing Inventor after: Liu Xu Inventor before: Liu Qigui Inventor before: Ma Weiqing Inventor before: Liu Xu |
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| CB03 | Change of inventor or designer information | ||
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Inventor after: Liu Xu Inventor before: Liu Qigui Inventor before: Ma Weiqing Inventor before: Liu Xu |
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Effective date of registration: 20200408 Address after: 518000 Room 201, building 6, No. 19, Alishan Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee after: Guangdong Tianyou medical device technology development Co., Ltd Address before: Longgang District of Shenzhen City, Guangdong province 518021 Avenue Longxin waterfront Xindu four or five 41 floor A1501 Patentee before: Liu Xu |