CN103431907A - 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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- CN103431907A CN103431907A CN2013104391480A CN201310439148A CN103431907A CN 103431907 A CN103431907 A CN 103431907A CN 2013104391480 A CN2013104391480 A CN 2013104391480A CN 201310439148 A CN201310439148 A CN 201310439148A CN 103431907 A CN103431907 A CN 103431907A
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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 the medical equipment technical field, be specifically related to the closed device for percutaneous nephrolithotomy of a kind of rubble end.
Background technology
Kidney casting mold 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 to cause excess of the kidney matter laceration, kidney massive hemorrhage, and very person's kidney excises.The treatment that appears as kidney stone of PCN, opened up the new route of a treatment, especially to this type of intractable calculus, as larger casting mold calculus, Calculus, calyceal calculi etc.Existing PCN can coordinate the rubbles such as air pressure trajectory, ultrasonic, laser, but due to the special environment that in the special construction of kidney and rubble process, calculus communicates with ureter, renal calices in renal pelvis, calculus in renal pelvis is in the rubble process, the calculus chip easily enters renal calices and ureter, and cause residual stones, cause calyceal calculi and ureteral calculus, very person's calculus enters intravesical and causes vesical calculus along ureter, often need again to perform the operation or successive treatment, increase patient's wound, misery.In addition, during rubble, rubble apparatus and calculus fragment also can cause certain damage to kidney and ureter, and the calculus chip also can disturb surgical field of view, affects surgical effect, extend operating time, strengthen operation risk, increase patient's misery and burden.
Summary of the invention
The objective of the invention is the deficiency for solving the problems of the technologies described above, provide a kind of rubble end closed device for percutaneous nephrolithotomy, be applicable to single-shot than maximum size or Calculus etc., calculus can be placed in the space of sealing and carry out rubble, the not noresidue of calculus residue, less to the surrounding tissue not damaged, the interference in the calculus chip endoscope visual field is little, can significantly improve operation efficiency and effect, alleviate patient's misery and burden.
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, the straight tube-like epi mirror sheath and the mirror body that is connected in epi mirror sheath one end that comprise both ends open, be provided with rubble assembly and based endoscopic imaging assembly in the epi mirror sheath, described rubble assembly is connected with the optical fiber entrance with the rubble feeder connection on the mirror body respectively with the corresponding mirror body of based endoscopic imaging assembly one end;
Be provided with rotation sheath and scope sheath in the epi mirror sheath, rotation sheath and scope sheath are the straight tube-like mirror sheath of both ends open, and sheath is rotatable is set in outside the scope sheath in rotation, and can not produce axial relative displacement between rotation sheath and scope sheath;
Rotation sheath and scope sheath can move vertically by driven unit in the epi mirror sheath simultaneously, and rotation sheath and scope sheath all can be rotated respectively by driven unit;
The scope sheath is provided with the calculus picking up assembly away from mirror body one end, and the calculus picking up assembly has a skeleton, the elastic film that the skeleton surface is coated with; Skeleton forms oval cage skeleton by retainer ring, support dome and many elastic keels; The calculus picking up assembly is fixedly connected with the end face of scope sheath by retainer ring;
Also be provided with an opening on the sidewall of described calculus picking up assembly, opening can be hidden by a closed component, closed component is comprised of rotating ring and curved wall, rotating ring is set on the circumference that supports dome, curved wall is comprised of many elastic keels and the elastic film be covered on Os Draconis, and the two ends of Os Draconis are fixedly connected with the rotation sheath with rotating ring respectively.
Described driven unit comprises rotation sheath driver element, scope sheath driver element and back-moving spring, scope sheath driver element is comprised of guide rod assembly I and control knob I, guide rod assembly I is located in the mirror body, one end of guide rod assembly I is fixedly connected with the scope sheath, the other end stretches out the mirror body and connects the control knob I, rotation sheath driver element is by guide rod assembly II, the control knob II forms, guide rod assembly II is located in the mirror body, one end of guide rod assembly II is fixedly connected with the rotation sheath, the other end stretches out the mirror body and connects the control knob II, the length that described guide rod assembly I is stretched out the mirror body is greater than the length that guide rod assembly II is stretched out the mirror body, described reset assembly is by two supports that are symmetricly set on the mirror body, torque spring, connecting rod and the rotation collar form, two torque springs are separately positioned on support away from mirror body one end, on the rotatable circumference that is set on the control knob II of the rotation collar, between the rotation collar and two torque springs, all by connecting rod, connected.
The inwall of described rotation sheath is provided with annular groove, and the outer wall of scope sheath is provided with the tab that snaps in annular groove.
The intracavity of described scope sheath is provided with instrument channel pipe and optical-fibre channel pipe, the rubble assembly is arranged in the instrument channel pipe, its rubble end stretches in the calculus picking up assembly, and the based endoscopic imaging assembly is arranged in the optical-fibre channel pipe, and its objective end is arranged on the port of scope sheath.
The intracavity of described scope sheath also is provided with the intake tunnel pipe, and the water inlet on intake tunnel Guan Yujing body is connected, and the space in the scope sheath is exhalant canal, and exhalant canal is connected with the outlet valve on being arranged on the mirror body.
Described calculus picking up assembly shrinks in the 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 that eyepiece, light source, luminous source optical fiber and imaging return to optical fiber, eyepiece and light source are separately positioned on the mirror body, the end that optical fiber is returned in imaging is connected with eyepiece, the other end is connected with object lens through the optical-fibre channel pipe, one end of luminous source optical fiber is connected with light source, and the other end passes the optical-fibre channel pipe and extends to the end of optical-fibre channel pipe.
beneficial effect
Device for percutaneous nephrolithotomy of the present invention can be limited in calculus in an enclosed space in kidney, when in this enclosed space, carrying out the rubble operation, the 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 the operation process impact, operation efficiency and effect be can significantly improve, patient's misery and burden obviously alleviated.
The 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 closed component of the present invention;
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, the epi mirror sheath, 2, the mirror body, 3, the rotation sheath, 301, annular groove, 4, the scope sheath, 401, tab, 5, the 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, the control knob I, 703, guide rod assembly II, 704, the control knob II, 705, support, 706, torque spring, 707, connecting rod, 708, the rotation collar, 8, the rubble assembly, 901, light source, 10, water inlet, 11, outlet valve.
The specific embodiment
As shown in Figure 1, 2, 3: the closed device for percutaneous nephrolithotomy of a kind of rubble end, the straight tube-like epi mirror sheath 1 and the mirror body 2 that is connected in epi mirror sheath 1 one ends that comprise both ends open, be provided with rubble assembly 8 and based endoscopic imaging assembly in epi mirror sheath 1, described rubble assembly 8 is connected with the optical fiber entrance with the rubble feeder connection on mirror body 2 respectively with the corresponding mirror body of based endoscopic imaging assembly 2 one ends.Described rubble assembly 8 is pneumatic ballistic lithotripsy apparatus or laser lithotripsy apparatus.Be provided with rotation sheath 3 and scope sheath 4 in epi mirror sheath 1, rotation sheath 3 and scope sheath 4 are the straight tube-like mirror sheath of both ends open, sheath 3 is rotatable is set in outside scope sheath 4 in rotation, 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 that snaps 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 move vertically by driven unit 7 in epi mirror sheath 1 simultaneously, and rotation sheath 3 and scope sheath 4 all can be rotated respectively by driven unit 7.That is to say that axial displacements occur for rotation sheath 3 and scope sheath 4 is simultaneously always, no matter control which in rotation sheath 3 and scope sheath 4 and carry out axial displacement, another all can move simultaneously, but rotate between sheath 3 and scope sheath 4, 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 the instrument channel pipe, its rubble end stretches in calculus picking up assembly 5, and the based endoscopic imaging assembly is arranged in the optical-fibre channel pipe, and its objective end is arranged on the port of scope sheath 4.The intracavity of scope sheath 4 also is provided with the 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 on being arranged on mirror body 2.
Described based endoscopic imaging assembly also comprises that eyepiece, light source 901, luminous source optical fiber and imaging return to optical fiber, eyepiece and light source 901 are separately positioned on mirror body 2, the end that optical fiber is returned in imaging is connected with eyepiece, the other end is connected with object lens through the optical-fibre channel pipe, one end of luminous source optical fiber is connected with light source 901, and the other end passes the 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 comprised 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 and connects control knob I 702, rotation sheath driver element is 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 and connects control knob II 704, the length that described guide rod assembly I 701 is stretched out mirror body 2 is greater than the length that guide rod assembly II 703 is stretched out mirror body 2, described reset assembly is by two supports 705 that are 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 ends, on the rotatable circumference that is set on control knob II 704 of the rotation collar 708, between the rotation collar 708 and two torque springs 706, all by connecting rod 707, connected.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 be provided with calculus picking up assembly 5 away from mirror body 2 one ends, calculus picking up assembly 5 has a skeleton, the elastic film that the skeleton surface is coated with; 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 the end face of scope sheath 4 by retainer ring 501; Also be provided with an opening 504 on the sidewall of described calculus picking up assembly 5, opening 504 can be hidden by a closed component, closed component is comprised of rotating ring 601 and curved wall 602, rotating ring 601 is set on the circumference that supports dome 502, curved wall 602 is comprised of many elastic keels 503 and the elastic film be covered on Os Draconis, and the two ends of Os Draconis are fixedly connected with rotation sheath 3 with rotating ring 601 respectively.
Device for percutaneous nephrolithotomy of the present invention, when off working state, calculus picking up assembly 5 shrinks in scope sheath 4, cage skeleton now is in compressive state, during use, by getting Shi Jing, import in calculus patient's body, by image-forming assembly, make the rubble end of getting Shi Jing arrive the calculus place, now, by promoting control knob I 702, calculus picking up assembly 5 is reached outside sheath, then Spin Control button II 704, driven rotary sheath 3 rotates, change the position of curved wall 602, make the opening 504 of calculus picking up assembly 5 in unobstructed state, then under the assistance of image-forming assembly, calculus is loaded into to the inner chamber of calculus picking up assembly 5 by opening 504, continue Spin Control button II 704, change the position of curved wall 602, make the opening 504 of calculus picking up assembly 5 in occlusion state, now the rubble end has formed the rubble environment of sealing, by the rubble assembly, calculus can be pulverized, 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 that the calculus position is unfixing, increase the difficulty of rubble, under the effect of torque spring 706, in calculus picking up assembly 5 meetings retraction sheath slowly, at this moment completed a rubble job.In the rubble operating process, be to carry out in this enclosed space, the calculus residue can not enter in body, postoperative calculus noresidue, can not cause damage to surrounding tissue, and the interference in the calculus chip endoscope visual field is less, little for the operation process impact, can significantly improve operation efficiency and effect, obviously alleviated patient's misery and burden.
Claims (7)
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 in 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 rotation sheath (3) and scope sheath (4) in epi mirror sheath (1), rotation sheath (3) and scope sheath (4) are the straight tube-like mirror sheath of both ends open, rotatable being set in outside scope sheath (4) of rotation sheath (3), and can not produce axial relative displacement between rotation sheath (3) and scope sheath (4);
Rotation sheath (3) and scope sheath (4) can move vertically by driven unit (7) in epi mirror sheath (1) simultaneously, and rotate sheath (3) and scope sheath (4) all can be rotated respectively by driven unit (7);
Scope sheath (4) is provided with calculus picking up assembly (5) away from mirror body (2) one ends, and calculus picking up assembly (5) has a skeleton, the elastic film that the skeleton surface is coated with; 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 the end face of scope sheath (4) by retainer ring (501);
Also be provided with an opening (504) on the sidewall of described calculus picking up assembly (5), opening (504) can be hidden by a closed component, closed component is comprised of rotating ring (601) and curved wall (602), rotating ring (601) is set on the circumference that supports dome (502), curved wall (602) is comprised of many elastic keels (503) and the elastic film that is covered on Os Draconis, and the two ends of Os Draconis are fixedly connected with rotation sheath (3) with rotating ring (601) respectively;
Described driven unit (7) comprises rotation sheath driver element, scope sheath driver element and reset assembly, scope sheath driver element is comprised 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) and connects control knob I (702), rotation sheath driver element is 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) and connects control knob II (704), the length that described guide rod assembly I (701) is stretched out mirror body (2) is greater than the length that guide rod assembly II (703) is stretched 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) that are 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 ends, on the rotatable circumference that is set on control knob II (704) of the rotation collar (708), between the rotation collar (708) and two torque springs (706), all by connecting rod (707), connected.
2. the closed device for percutaneous nephrolithotomy of a kind of rubble end as claimed in claim 1, it is characterized in that: 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) that snaps in annular groove (301).
3. the closed device for percutaneous nephrolithotomy of a kind of rubble end as claimed in claim 1, it is characterized in that: the intracavity of described scope sheath (4) is provided with instrument channel pipe and optical-fibre channel pipe, rubble assembly (8) is arranged in the instrument channel pipe, its rubble end stretches in calculus picking up assembly (5), the based endoscopic imaging assembly is arranged in the optical-fibre channel pipe, and its objective end is arranged on the port of scope sheath (4).
4. the closed device for percutaneous nephrolithotomy of a kind of rubble end as claimed in claim 1, it is characterized in that: the intracavity of described scope sheath (4) also is provided with the 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) on being arranged on mirror body (2).
5. the closed device for percutaneous nephrolithotomy of a kind of rubble end as claimed in claim 1, it is characterized in that: described calculus picking up assembly (5) shrinks in scope sheath (4) when off working state.
6. as any closed device for percutaneous nephrolithotomy of the described a kind of rubble end of claim of claim 1 to 5, it is characterized in that: described rubble assembly (8) is pneumatic ballistic lithotripsy apparatus or laser lithotripsy apparatus.
7. the closed device for percutaneous nephrolithotomy of a kind of rubble end as claimed in claim 3, it is characterized in that: described based endoscopic imaging assembly also comprises that eyepiece, light source (901), luminous source optical fiber and imaging return to optical fiber, eyepiece and light source (901) are separately positioned on mirror body (2), the end that optical fiber is returned in imaging is connected with eyepiece, the other end is connected with object lens through the optical-fibre channel pipe, one end of luminous source optical fiber is connected with light source (901), and the other end passes the 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 |
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| CN103431907A true CN103431907A (en) | 2013-12-11 |
| CN103431907B 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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Cited By (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 |
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| US4997435A (en) * | 1989-09-25 | 1991-03-05 | Methodist Hospital Of Indiana Inc. | Percutaneous catheter with encapsulating receptacle |
| US20080033467A1 (en) * | 2006-06-08 | 2008-02-07 | 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 |
| 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 |
-
2013
- 2013-09-25 CN CN201310439148.0A patent/CN103431907B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| US20080033467A1 (en) * | 2006-06-08 | 2008-02-07 | 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 |
| 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 |
Cited By (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 |
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|---|---|
| CN103431907B (en) | 2015-04-08 |
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