CN103431907B - Percutaneous nephroscope set calculus removing lens with lockable calculus crushing end - Google Patents
Percutaneous nephroscope set calculus removing lens with lockable calculus crushing end Download PDFInfo
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- CN103431907B CN103431907B CN201310439148.0A CN201310439148A CN103431907B CN 103431907 B CN103431907 B CN 103431907B CN 201310439148 A CN201310439148 A CN 201310439148A CN 103431907 B CN103431907 B CN 103431907B
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Abstract
The invention relates to a percutaneous nephroscope set calculus removing device with a lockable calculus crushing end. The percutaneous nephroscope set calculus removing device with the lockable calculus crushing end comprises an outer lens sheath and a lens body, wherein a rotary sheath and an inner lens sheath are arranged in the outer lens sheath, the rotary sheath is rotatably sheathed outside the inner lens sheath, and an axial relative displacement cannot be produced between the rotary sheath and the inner lens sheath; a calculus picking-up assembly is arranged at one end, far away from the lens body, of the inner lens sheath, one opening is also formed in the side wall of the calculus picking-up assembly, the opening can be covered by a sealing assembly, an instrument channel pipe is arranged in a cavity of the inner lens sheath, a calculus crushing assembly is arranged in the instrument channel pipe, and the calculus crushing end of the calculus crushing assembly is inserted into the calculus picking-up assembly. According to the percutaneous nephroscope set calculus removing with the lockable calculus crushing end, a calculus can be placed in an enclosed space and is crushed, no calculus residue is produced, little damage is caused to surrounding tissues, interference of calculus chips to view of an endoscope is small, operation efficiency and an operation result can be obviously improved, and pain and burden of a patient can be alleviated.
Description
Technical field
The present invention relates to medical equipment technical field, be specifically related to the closed device for percutaneous nephrolithotomy of a kind of rubble end.
Background technology
Kidney Staghorn calculus, Calculus, calyceal calculi are the intractable calculus of kidney clinically, extracorporeal shock-wave lithotomy (ESWL) is very micro-to this type of calculus curative effect, and complication is more, open surgery is then to cause excess of the kidney matter laceration, kidney massive hemorrhage, and notably kidney excises.The treatment appearing as kidney stone of PCN, opens the new route of a treatment, especially to this type of intractable calculus, as larger Staghorn calculus, Calculus, calyceal calculi etc.Existing PCN can coordinate the rubbles such as Pneumatic Lithotripsy, ultrasonic, laser, but because calculus in the special construction of kidney and rubble process is in the special environment that renal pelvis communicates with ureter, renal calices, calculus in renal pelvis is in rubble process, calculus chip easily enters renal calices and ureter, and cause residual stones, cause calyceal calculi and ureteral calculus, notably calculus enters intravesical along ureter and causes vesical calculus, often need again to perform the operation or successive treatment, increase wound, the misery of patient.In addition, during rubble, rubble apparatus and stone debris also can cause certain damage to kidney and ureter, and calculus chip also can disturb surgical field of view, affects surgical effect, extend operating time, strengthen operation risk, increase misery and the burden of patient.
Summary of the invention
The object of the invention is the deficiency for solving the problems of the technologies described above, there is provided a kind of rubble end closed device for percutaneous nephrolithotomy, be applicable to single-shot comparatively maximum size or Calculus etc., calculus can be placed in closed space and carry out rubble, the not noresidue of calculus residue, less to surrounding tissue not damaged, the interference in the calculus chip endoscope visual field is little, procedure efficiency and effect can be significantly improved, alleviate misery and the burden of patient.
The present invention is the deficiency solved the problems of the technologies described above, the technical scheme adopted is: the closed device for percutaneous nephrolithotomy of a kind of rubble end, comprise the straight tube-like epi mirror sheath of both ends open and be connected to the mirror body of epi mirror sheath one end, be provided with rubble assembly and based endoscopic imaging assembly in epi mirror sheath, described rubble assembly is connected with the rubble feeder connection on mirror body and fiber entrance respectively with the corresponding mirror body one end of based endoscopic imaging assembly;
Be provided with in epi mirror sheath and rotate sheath and scope sheath, rotate the straight tube-like mirror sheath that sheath and scope sheath are both ends open, rotate that sheath is rotatable to be set in outside scope sheath, and rotate between sheath and scope sheath and can not produce axial relative displacement;
Rotation sheath and scope sheath can be moved vertically by driven unit in epi mirror sheath simultaneously, and rotation sheath and scope sheath all rotate respectively by driven unit;
Scope sheath is provided with calculus picking up assembly away from mirror body one end, and calculus picking up assembly has a skeleton, the elastic film that skeleton surface is coated with; Skeleton forms oval cage skeleton by retainer ring, support dome and many elastic keels; Calculus picking up assembly is fixedly connected with by the end face of retainer ring with scope sheath;
The sidewall of described calculus picking up assembly is also provided with an opening, opening can be hidden by a closed component, closed component is made up of rotating ring and curved wall, rotating ring is set in and supports dome circumferentially, curved wall is made up of many elastic keels and the elastic film be covered on Os Draconis, the two ends of Os Draconis respectively with rotating ring with rotate sheath and be fixedly connected with.
Described driven unit comprises rotation sheath driver element, scope sheath driver element and back-moving spring, scope sheath driver element is made up of guide rod assembly I and control knob I, guide rod assembly I is located in mirror body, one end of guide rod assembly I is fixedly connected with scope sheath, the other end stretches out mirror body connection control button I, rotate sheath driver element by guide rod assembly II, control knob II forms, guide rod assembly II is located in mirror body, one end of guide rod assembly II is fixedly connected with rotation sheath, the other end stretches out mirror body connection control button II, the length that described guide rod assembly I stretches out mirror body is greater than the length that guide rod assembly II stretches out mirror body, described reset assembly is by two supports be symmetricly set on mirror body, torque spring, connecting rod and rotation collar composition, two torque springs are separately positioned on support away from mirror body one end, rotate that the collar is rotatable is set on control knob II circumferentially, rotate between the collar and two torque springs and all connected by connecting rod.
The inwall of described rotation sheath is provided with annular groove, and the outer wall of scope sheath is provided with the tab snapping in annular groove.
The intracavity of described scope sheath is provided with instrument channel pipe and optical-fibre channel pipe, rubble assembly is arranged in instrument channel pipe, its rubble end stretches in calculus picking up assembly, and based endoscopic imaging assembly is arranged in optical-fibre channel pipe, and its objective end is arranged on the port of scope sheath.
The intracavity of described scope sheath is also provided with intake tunnel pipe, and the water inlet on intake tunnel Guan Yujing body is connected, and the space in scope sheath is exhalant canal, and exhalant canal is connected with the outlet valve be arranged on mirror body.
Described calculus picking up assembly shrinks in scope sheath when off working state.
Described rubble assembly is pneumatic ballistic lithotripsy apparatus or laser lithotripsy apparatus.
Described based endoscopic imaging assembly also comprises eyepiece, light source, luminous source optical fiber and imaging and returns optical fiber, eyepiece and light source are separately positioned on mirror body, one end that imaging returns optical fiber is connected with eyepiece, the other end is connected with object lens through optical-fibre channel pipe, one end of luminous source optical fiber is connected with light source, and the other end passes optical-fibre channel pipe and extends to the end of optical-fibre channel pipe.
beneficial effect
Calculus can be limited in an enclosed space in kidney by device for percutaneous nephrolithotomy of the present invention, when carrying out rubble operation in this enclosed space, calculus residue can not enter bladder, postoperative calculus noresidue, can not cause damage to kidney wall and surrounding tissue, and the interference in the calculus chip endoscope visual field is less, little for operation process impact, procedure efficiency and effect can be significantly improved, obviously alleviate misery and the burden of patient.
Accompanying drawing explanation
Fig. 1 is the structural representation of device for percutaneous nephrolithotomy of the present invention;
Fig. 2 is the structural representation of driven unit of the present invention;
Fig. 3 is the cooperation schematic diagram that the present invention rotates sheath and scope sheath;
Fig. 4 is the structural representation of calculus picking up assembly of the present invention;
Fig. 5 is the decomposition texture schematic diagram of calculus picking up assembly of the present invention;
Fig. 6 is the structural representation of inventive closure assembly;
Fig. 7 is the cooperation schematic diagram of calculus picking up assembly of the present invention and closed component;
Fig. 8 is the cooperation schematic diagram II of calculus picking up assembly of the present invention and closed component;
Labelling in figure: 1, epi mirror sheath, 2, mirror body, 3, rotate sheath, 301, annular groove, 4, scope sheath, 401, tab, 5, calculus picking up assembly, 501, retainer ring, 502, support dome, 503, elastic keel, 504, opening, 601, rotating ring, 602, curved wall, 7, driven unit, 701, guide rod assembly I, 702, control knob I, 703, guide rod assembly II, 704, control knob II, 705, support, 706, torque spring, 707, connecting rod, 708, rotate the collar, 8, rubble assembly, 901, light source, 10, water inlet, 11, outlet valve.
Detailed description of the invention
As shown in Figure 1, 2, 3: the closed device for percutaneous nephrolithotomy of a kind of rubble end, comprise the straight tube-like epi mirror sheath 1 of both ends open and be connected to the mirror body 2 of epi mirror sheath 1 one end, be provided with rubble assembly 8 and based endoscopic imaging assembly in epi mirror sheath 1, described rubble assembly 8 is connected with the rubble feeder connection on mirror body 2 and fiber entrance respectively with corresponding mirror body 2 one end of based endoscopic imaging assembly.Described rubble assembly 8 is pneumatic ballistic lithotripsy apparatus or laser lithotripsy apparatus.Be provided with in epi mirror sheath 1 and rotate sheath 3 and scope sheath 4, rotation sheath 3 and scope sheath 4 are the straight tube-like mirror sheath of both ends open, rotate that sheath 3 is rotatable is set in outside scope sheath 4, the inwall of described rotation sheath 3 is provided with annular groove 301, the outer wall of scope sheath 4 is provided with the tab 401 snapping in annular groove 301, and can not produce axial relative displacement between rotation sheath 3 and scope sheath 4; Rotation sheath 3 and scope sheath 4 can be moved vertically by driven unit 7 in epi mirror sheath 1 simultaneously, and rotation sheath 3 and scope sheath 4 all rotate respectively by driven unit 7.That is rotating sheath 3, with scope sheath 4, axial displacement to occur be simultaneously always, and no matter control to rotate sheath 3 and which in scope sheath 4 to carry out axial displacement with, another all can move simultaneously, but rotate between sheath 3 and scope sheath 4 and can relatively rotate again.
The intracavity of described scope sheath 4 is provided with instrument channel pipe and optical-fibre channel pipe, rubble assembly 8 is arranged in instrument channel pipe, its rubble end stretches in calculus picking up assembly 5, and based endoscopic imaging assembly is arranged in optical-fibre channel pipe, and its objective end is arranged on the port of scope sheath 4.The intracavity of scope sheath 4 is also provided with intake tunnel pipe, and the water inlet 10 on intake tunnel Guan Yujing body 2 is connected, and the space in scope sheath 4 is exhalant canal, and exhalant canal is connected with the outlet valve 11 be arranged on mirror body 2.
Described based endoscopic imaging assembly also comprises eyepiece, light source 901, luminous source optical fiber and imaging and returns optical fiber, eyepiece and light source 901 are separately positioned on mirror body 2, one end that imaging returns optical fiber is connected with eyepiece, the other end is connected with object lens through optical-fibre channel pipe, one end of luminous source optical fiber is connected with light source 901, and the other end passes optical-fibre channel pipe and extends to the end of optical-fibre channel pipe.
As shown in Figure 2: described driven unit 7 comprises rotation sheath driver element, scope sheath driver element and back-moving spring 705, scope sheath driver element is made up of guide rod assembly I 701 and control knob I 702, guide rod assembly I 701 is located in mirror body 2, one end of guide rod assembly I 701 is fixedly connected with scope sheath 4, the other end stretches out mirror body 2 connection control button I 702, rotate sheath driver element by guide rod assembly II 703, control knob II 704 forms, guide rod assembly II 703 is located in mirror body 2, one end of guide rod assembly II 703 is fixedly connected with rotation sheath 3, the other end stretches out mirror body 2 connection control button II 704, the length that described guide rod assembly I 701 stretches out mirror body 2 is greater than the length that guide rod assembly II 703 stretches out mirror body 2, described reset assembly is by two supports 705 be symmetricly set on mirror body 2, torque spring 706, connecting rod 707 and the rotation collar 708 form, two torque springs 706 are separately positioned on support 705 away from mirror body 2 one end, rotate that the collar 708 is rotatable is set on control knob II 704 circumferentially, rotate between the collar 708 and two torque springs 706 and all connected by connecting rod 707.Control knob II 704 has a central through hole, and guide rod assembly I 701 is connected with control knob I 702 through this through hole.
As shown in Fig. 1,4,5,6: as described in scope sheath 4 mirror body 2 one end is provided with calculus picking up assembly 5, calculus picking up assembly 5 has a skeleton, the elastic film that is coated with of skeleton surface; Skeleton forms oval cage skeleton by retainer ring 501, support dome 502 and many elastic keels 503; Calculus picking up assembly 5 is fixedly connected with by the end face of retainer ring 501 with scope sheath 4; The sidewall of described calculus picking up assembly 5 is also provided with an opening 504, opening 504 can be hidden by a closed component, closed component is made up of rotating ring 601 and curved wall 602, rotating ring 601 is set in and supports dome 502 circumferentially, curved wall 602 is made up of many elastic keels 503 and the elastic film be covered on Os Draconis, the two ends of Os Draconis respectively with rotating ring 601 with rotate sheath 3 and be fixedly connected with.
Device for percutaneous nephrolithotomy of the present invention, when off working state, calculus picking up assembly 5 shrinks in scope sheath 4, cage skeleton is now in compressive state, during use, import in the body of calculus patient by getting Shi Jing, the rubble end getting Shi Jing is made to arrive calculus place by image-forming assembly, now, by promoting control knob I 702, calculus picking up assembly 5 is made to reach outside sheath, then rotating control key II 704, driven rotary sheath 3 rotates, change the position of curved wall 602, the opening 504 of calculus picking up assembly 5 is made to be in unobstructed state, then under the assistance of image-forming assembly, calculus is loaded into the inner chamber of calculus picking up assembly 5 by opening 504, continue rotating control key II 704, change the position of curved wall 602, the opening 504 of calculus picking up assembly 5 is made to be in occlusion state, now namely rubble end defines closed rubble environment, calculus can be pulverized by rubble assembly, in crushing process, because calculus becomes broken, diminish, the elastic skeleton of calculus picking up assembly 5 also can synchronously bounce back, remain that calculus is in a less space, prevent calculus position from not fixing, increase the difficulty of rubble, under the effect of torque spring 706, in calculus picking up assembly 5 meeting retraction sheath slowly, at this moment a rubble job is completed.Carry out in this enclosed space in rubble operating process, calculus residue can not enter in body, postoperative calculus noresidue, damage can not be caused to surrounding tissue, and the interference in the calculus chip endoscope visual field is less, little for operation process impact, procedure efficiency and effect can be significantly improved, obviously alleviate misery and the burden of patient.
Claims (2)
1. the closed device for percutaneous nephrolithotomy of rubble end, comprise the straight tube-like epi mirror sheath (1) of both ends open and be connected to the mirror body (2) of epi mirror sheath (1) one end, be provided with rubble assembly (8) and based endoscopic imaging assembly in epi mirror sheath (1), it is characterized in that:
Be provided with in epi mirror sheath (1) and rotate sheath (3) and scope sheath (4), rotation sheath (3) and scope sheath (4) are the straight tube-like mirror sheath of both ends open, rotation sheath (3) is rotatable is set in scope sheath (4) outward, and can not produce axial relative displacement between rotation sheath (3) and scope sheath (4);
Rotation sheath (3) and scope sheath (4) can be moved vertically by driven unit (7) in epi mirror sheath (1) simultaneously, and rotation sheath (3) and scope sheath (4) all rotate respectively by driven unit (7);
Scope sheath (4) is provided with calculus picking up assembly (5) away from mirror body (2) one end, and calculus picking up assembly (5) has a skeleton, and skeleton surface is coated with elastic film; Skeleton forms oval cage skeleton by retainer ring (501), support dome (502) and many elastic keels (503); Calculus picking up assembly (5) is fixedly connected with by the end face of retainer ring (501) with scope sheath (4);
The sidewall of described calculus picking up assembly (5) is also provided with an opening (504), opening (504) can be hidden by a closed component, closed component is made up of rotating ring (601) and curved wall (602), rotating ring (601) is set in and supports dome (502) circumferentially, curved wall (602) is made up of many elastic keels (503) and the elastic film be covered on Os Draconis, the two ends of the Os Draconis of closed component respectively with rotating ring (601) with rotate sheath (3) and be fixedly connected with;
Described driven unit (7) comprises rotation sheath driver element, scope sheath driver element and reset assembly, scope sheath driver element is made up of guide rod assembly I (701) and control knob I (702), guide rod assembly I (701) is located in mirror body (2), one end of guide rod assembly I (701) is fixedly connected with scope sheath (4), the other end stretches out mirror body (2) connection control button I (702), rotate sheath (3) driver element by guide rod assembly II (703), control knob II (704) forms, guide rod assembly II (703) is located in mirror body (2), one end of guide rod assembly II (703) is fixedly connected with scope sheath (4), the other end stretches out mirror body (2) connection control button II (704), the length that described guide rod assembly I (701) stretches out mirror body (2) is greater than the length that guide rod assembly II (703) stretches out mirror body (2), control knob II (704) has a center hole, described guide rod assembly I (701) is connected with control knob I (702) through the center hole of control knob II (704), described reset assembly is by two supports (705) be symmetricly set on mirror body (2), torque spring (706), connecting rod (707) and the rotation collar (708) composition, two torque springs (706) are separately positioned on support (705) away from mirror body (2) one end, the rotation collar (708) is rotatable is set on control knob II (704) circumferentially, rotate between the collar (708) and two torque springs (706) and all connected by connecting rod (707),
The inwall of described rotation sheath (3) is provided with annular groove (301), and the outer wall of scope sheath (4) is provided with the tab (401) snapping in annular groove (301);
The intracavity of described scope sheath (4) is provided with instrument channel pipe and optical-fibre channel pipe, rubble assembly (8) is arranged in instrument channel pipe, the rubble end of rubble assembly (8) stretches in calculus picking up assembly (5), based endoscopic imaging assembly is arranged in optical-fibre channel pipe, and the objective end of based endoscopic imaging assembly is arranged on the port of scope sheath (4);
The intracavity of described scope sheath (4) is also provided with intake tunnel pipe, water inlet (10) on intake tunnel Guan Yujing body (2) is connected, space in scope sheath (4) is exhalant canal, and exhalant canal is connected with the outlet valve (11) be arranged on mirror body (2);
Described calculus picking up assembly (5) shrinks in scope sheath (4) when off working state;
Described rubble assembly (8) is pneumatic ballistic lithotripsy apparatus or laser lithotripsy apparatus.
2. the closed device for percutaneous nephrolithotomy of a kind of rubble end as claimed in claim 1, it is characterized in that: described based endoscopic imaging assembly also comprises eyepiece, light source (901), luminous source optical fiber and imaging and returns optical fiber, eyepiece and light source (901) are separately positioned on mirror body, one end that imaging returns optical fiber is connected with eyepiece, the other end is connected with object lens through optical-fibre channel pipe, one end of luminous source optical fiber is connected with light source (901), and the other end passes optical-fibre channel pipe and extends to the end of optical-fibre channel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439148.0A CN103431907B (en) | 2013-09-25 | 2013-09-25 | Percutaneous nephroscope set calculus removing lens with lockable calculus crushing end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439148.0A CN103431907B (en) | 2013-09-25 | 2013-09-25 | Percutaneous nephroscope set calculus removing lens with lockable calculus crushing end |
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| Publication Number | Publication Date |
|---|---|
| CN103431907A CN103431907A (en) | 2013-12-11 |
| CN103431907B true CN103431907B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310439148.0A Expired - Fee Related CN103431907B (en) | 2013-09-25 | 2013-09-25 | Percutaneous nephroscope set calculus removing lens with lockable calculus crushing end |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107080569A (en) * | 2017-06-01 | 2017-08-22 | 庞广富 | The clear stone implement of per urethra ureter hardness convection current negative pressure channel rubble |
| CN112807056A (en) * | 2021-01-29 | 2021-05-18 | 李九智 | Ultrasonic percutaneous nephroscope integrated lithotriptor and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4997435A (en) * | 1989-09-25 | 1991-03-05 | Methodist Hospital Of Indiana Inc. | Percutaneous catheter with encapsulating receptacle |
| CN202568449U (en) * | 2012-04-05 | 2012-12-05 | 杭州桐庐尖端内窥镜有限公司 | Crushing forceps for percutaneous nephroscope set |
| CN202637037U (en) * | 2012-04-25 | 2013-01-02 | 上海埃尔顿医疗器械有限公司 | Bezoar stone crushing device |
| CN203576634U (en) * | 2013-09-25 | 2014-05-07 | 河南科技大学 | Percutaneous nephroscope calculus pickup device with calculus crushing end sealable |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8092470B2 (en) * | 2006-06-08 | 2012-01-10 | Olympus Medical Systems Corp. | Calculus crushing apparatus and medical procedure using endoscope |
| US20080269774A1 (en) * | 2006-10-26 | 2008-10-30 | Chestnut Medical Technologies, Inc. | Intracorporeal Grasping Device |
-
2013
- 2013-09-25 CN CN201310439148.0A patent/CN103431907B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4997435A (en) * | 1989-09-25 | 1991-03-05 | Methodist Hospital Of Indiana Inc. | Percutaneous catheter with encapsulating receptacle |
| CN202568449U (en) * | 2012-04-05 | 2012-12-05 | 杭州桐庐尖端内窥镜有限公司 | Crushing forceps for percutaneous nephroscope set |
| CN202637037U (en) * | 2012-04-25 | 2013-01-02 | 上海埃尔顿医疗器械有限公司 | Bezoar stone crushing device |
| CN203576634U (en) * | 2013-09-25 | 2014-05-07 | 河南科技大学 | Percutaneous nephroscope calculus pickup device with calculus crushing end sealable |
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| Publication number | Publication date |
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| CN103431907A (en) | 2013-12-11 |
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