CN114938940A - Disposable ureter soft lens - Google Patents

Disposable ureter soft lens Download PDF

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Publication number
CN114938940A
CN114938940A CN202210521410.5A CN202210521410A CN114938940A CN 114938940 A CN114938940 A CN 114938940A CN 202210521410 A CN202210521410 A CN 202210521410A CN 114938940 A CN114938940 A CN 114938940A
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CN
China
Prior art keywords
stone
net
rack
folding
unfolding
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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.)
Withdrawn
Application number
CN202210521410.5A
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Chinese (zh)
Inventor
雷光国
何胜军
姚钰
刘亚戈
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Quzhou College of Technology
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Quzhou College of Technology
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Publication date
Application filed by Quzhou College of Technology filed Critical Quzhou College of Technology
Priority to CN202210521410.5A priority Critical patent/CN114938940A/en
Publication of CN114938940A publication Critical patent/CN114938940A/en
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/307—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the urinary organs, e.g. urethroscopes, cystoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005—Flexible endoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • 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
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Vascular Medicine (AREA)
  • Urology & Nephrology (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to a disposable ureter soft lens, which comprises a lens tube, a lens handle and a stone covering net control device connected with the lens handle, and is characterized in that the stone covering net control device comprises a stone covering net folding and unfolding rod, a folding and unfolding structure and a folding and locking structure, wherein the stone covering net folding and unfolding rod is connected with the stone covering net and can control the folding and unfolding of the stone covering net, the folding and unfolding structure can fold or unfold the stone covering net by driving the stone covering net folding and unfolding rod to move axially, the folding and locking structure can lock the folded state and prevent the stone covering net from being unfolded accidentally under the folded state of covering stones.

Description

Disposable ureter soft lens
Technical Field
The invention belongs to the technical field of medicine, and particularly relates to a disposable ureter soft lens.
Background
The technology for treating ureteral calculus by using an electronic and fiber ureteral soft lens, particularly kidney calculus by using an electronic ureteral soft lens, becomes a new technology for treating urolithiasis by using a minimally invasive endoscope in urology surgery and a mainstream development direction in the future, is also a minimally invasive calculus removing operation with minimum operation trauma to patients at present, is more and more accepted and accepted by doctors and patients, and is widely applied in developed countries in Europe and America and developed areas in China.
The soft ureteroscope lithotomy is suitable for treating patients with ureteral calculus and renal pelvis renal calyx calculus. An operator finds out the calculus by operating the ureter soft lens in the operation, and grasps the calculus by controlling the opening or closing of the stone-covering basket and takes the calculus out of the body of the patient.
The conventional stone-sleeving basket is easy to expand by external force in the process of taking the stone out of the body of a patient after the stone is closed and caught, so that the stone falls off and falls off. Doctors need to grasp the stones again, which is inefficient.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a disposable ureter soft lens.
The technical scheme of the invention is realized as follows:
a disposable ureter soft lens comprises a lens tube, a lens handle and a stone net control device connected with the lens handle, and is characterized in that the stone net control device comprises:
the stone-covered net folding and unfolding rod is connected with the stone-covered net to control the folding and unfolding of the stone-covered net;
the folding and unfolding structure can fold or unfold the stone covering net by driving the stone covering net folding and unfolding rod to axially move;
the foldable locking structure can lock the foldable state, and prevent the stone covering net from being accidentally unfolded in the foldable state covering the stones.
Through drawing in the setting of locking structure in, can make set stone net outwards drag the in-process of arranging the stone in the state of entangling the stone and can not launch under the effect of external force, prevent that the stone accident from dropping, can improve the stability of arranging the stone, improve operation efficiency.
Preferably, the folding and unfolding structure includes:
the axis of the first gear is vertical to the stone net retracting and expanding rod;
a rotation drive structure capable of controlling circumferential rotation of the first gear;
the first rack is meshed with the driving gear and is fixedly arranged on the stone-covered net folding and unfolding rod in parallel with the axis of the stone-covered net folding and unfolding rod;
wherein, rotate the first gear rotation of drive structure drive and enable first rack drive set stone net receive and releases the pole and reciprocate and realize receiving and releasing.
Preferably, the upper end and the lower end of the first rack are both provided with limiting pieces, and the limiting pieces can prevent the stone-covered net folding and unfolding rod from moving excessively to damage the stone-covered net.
Preferably, the rotation driving structure includes:
the second gear is arranged on one side, far away from the first rack, of the first gear and is meshed with the first gear;
a second rack parallel to the second gear and parallel to the first rack;
the driving piece is connected with the second gear;
the driving channel is in an arc shape concentric with the second gear, and two ends of the driving channel are respectively an unfolding end and a folding end;
the driving piece is arranged in the driving channel in a sliding mode and can slide along the driving channel to drive the second gear to rotate, the sliding process of the driving piece from the furling end to the unfolding end is the rock covering net unfolding process, and the sliding process of the driving piece from the unfolding end to the furling end is the rock covering net furling process.
Preferably, the folding and unfolding structure further comprises a folding and resetting structure, and the folding and resetting structure can automatically reset and fold the stone covering net from the unfolding structure.
Preferably, the furling restoration structure includes:
the sliding seat is arranged above the first rack, the first rack drives the stone covering net folding and unfolding rod to move towards the sliding seat direction to be a stone covering net unfolding process, and the first rack drives the stone covering net folding and unfolding rod to move towards the direction far away from the sliding seat direction to be a stone covering net folding process;
one end of the sliding rod is fixedly arranged at the upper end of the first rack, and the other end of the sliding rod is arranged in the sliding seat in a sliding manner;
the reset spring is sleeved outside the sliding rod, one end of the reset spring is connected with the lower end of the sliding seat, the other end of the reset spring is connected with the upper end of the first rack, and the reset spring enables the first rack to always have a movement trend away from the sliding seat.
Preferably, the furling and locking structure can prevent the first rack from driving the stone net furling and expanding rod to move towards the sliding seat.
Preferably, the furling locking structure is a locking bolt, the locking bolt is screwed on the sliding seat side of the second rack, and the end part of the locking bolt can abut against the upper end part of the second rack by rotating the locking bolt so as to limit the second rack to slide towards the sliding seat side.
Preferably, the furling structure is a locking bolt, the locking bolt is screwed at the unfolding end of the driving channel, and the end part of the locking bolt can abut against the end part of the driving piece by rotating the locking bolt so as to limit the rotation of the second gear to the unfolding end.
Preferably, the lens tube comprises a tip part, a bending part and an insertion part, a working channel is formed in the lens tube, and a camera device, an illuminating device and a pressure monitoring device are further arranged on the insertion part.
The beneficial effects of the invention are as follows: through drawing in the setting of locking structure in, can make set stone net outwards drag the in-process of arranging the stone in the state of entangling the stone and can not launch under the effect of external force, prevent that the stone accident from dropping, can improve the stability of arranging the stone, improve operation efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a flexible ureteroscope in a folded state of a stone net in example 1;
FIG. 2 is a schematic view of a flexible ureteroscope in the expanded state of a stone set net in example 1;
FIG. 3 is a schematic view of a flexible ureteroscope in the folded state of the stone nets in example 2;
FIG. 4 is a front view of the insertion portion of the mirror tube;
reference numerals: 1. a mirror tube; 2. a mirror handle; 3. a tip portion; 4. a bending section; 5. an insertion portion; 6. a working channel; 7. a camera device; 8. an illumination device; 9. a pressure monitoring device; 10. a stone net retracting and expanding rod is sleeved; 11. a first gear; 12. a first rack; 13. a rotation driving structure; 14. a second gear; 15. a second rack; 16. a drive member; 17. a drive channel; 18. a slide base; 19. a slide rod; 20. a return spring; 21. locking the bolt; 22. unfolding the end; 23. closing the end; 24. and a limiting member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Example 1
As shown in figures 1 and 4, the disposable ureter soft lens comprises a lens tube 1, a lens handle 2 and a stone net covering control device connected with the lens handle 2. The endoscope tube 1 comprises a tip part 3, a bending part 4 and an insertion part 5, a working channel 6 is arranged on the endoscope tube 1, and a camera device 7, an illuminating device 8 and a pressure monitoring device 9 are further arranged on the insertion part 5.
The stone net sleeving control device comprises a stone net sleeving and unfolding rod 10, a folding and unfolding structure and a folding and locking structure. The stone-covered net folding and unfolding rod 10 is connected with the stone-covered net to control the folding and unfolding of the stone-covered net; the folding and unfolding structure can fold or unfold the stone covering net by driving the stone covering net folding and unfolding rod 10 to axially move; the furling locking structure can lock the furling state, and prevent the stone covering net from being accidentally unfolded in the furling state covering the stones.
The folding and unfolding structure comprises a first gear 11, a first rack 12 and a rotation driving structure 13. First gear 11's axis is perpendicular with above-mentioned cover stone net exhibition pole 10 of receiving, rotate drive structure 13 and can control first gear 11's circumferential direction, first rack 12 and driving gear engagement and with the parallel fixed setting of cover stone net exhibition pole 10 axis receive and releases on cover stone net exhibition pole 10, rotate drive structure 13 and drive first gear 11 rotation and enable first rack 12 drive cover stone net exhibition pole 10 and reciprocate and realize the exhibition.
The rotational drive structure 13 comprises a second gear 14, a second rack 15, a driver 16 and a drive channel 17. Second gear 14 sets up in first gear 11 and keeps away from one side of first rack 12 and meshes with first gear 11, second rack 15 is parallel with second gear 14 and is parallel with first rack 12, driving piece 16 is connected with second gear 14, drive channel 17 is arc with second gear 14 concentricity, drive channel 17 both ends are respectively for expanding end 22 and drawing in end 23, thereby driving piece 16 slides and sets up and can slide along drive channel 17 in drive channel 17 and drive second gear 14 and rotate. The driving element 16 is used for unfolding the stone net when the sliding process is from the folding end 23 to the unfolding end 22. As shown in fig. 1, the pressing or driving means that the driving means 16 slides from the furling end 23 to the spreading end 22 to drive the second gear 14 to rotate clockwise, so that the second rack 15 moves upward, and simultaneously the first gear 11 rotates counterclockwise, so that the first rack 12 moves upward, and drives the rock-covered net spreading rod 10 to move upward to reach the state shown in fig. 2, at which time the rock-covered net is spread completely. The limiting piece 24 is arranged at the upper end of the first rack 12, so that the stone-covered net folding and unfolding rod 10 can be prevented from moving upwards excessively, and the stone-covered net can be prevented from being damaged due to excessive unfolding.
The foldable and unfoldable structure further comprises a foldable and resettable structure, and the foldable and resettable structure can automatically reset and furl the stone covering net from the unfoldable structure. The furling return structure comprises a slide seat 18, a slide rod 19 and a return spring 20. The sliding seat 18 is arranged above the first rack 12, the process that the first rack 12 drives the stone-covered net folding and unfolding rod 10 to move towards the sliding seat 18 is the stone-covered net unfolding process, and the process that the first rack 12 drives the stone-covered net folding and unfolding rod 10 to move towards the direction far away from the sliding seat 18 is the stone-covered net folding process; one end of the slide rod 19 is fixedly arranged at the upper end of the first rack 12, and the other end is arranged in the slide seat 18 in a sliding manner; the return spring 20 is sleeved outside the slide rod 19, one end of the return spring 20 is connected with the lower end of the slide seat 18, the other end of the return spring 20 is connected with the upper end of the first rack 12, and the return spring 20 enables the first rack 12 to always have a movement trend away from the slide seat 18. That is, when the rock covering net for covering the rock is folded, the driving member 16 is released, and at this time, the resilience of the compressed return spring 20 pushes the first rack 12 to move downward, so that the first gear 11 rotates clockwise, the second gear 14 rotates counterclockwise, the second rack 15 moves downward, and the driving member 16 slides from the unfolding end 22 to the folding end 23, so that the rock covering net is folded. The limiting piece 24 is arranged at the lower end of the first rack 12, so that the rock covered net folding and unfolding rod 10 can be prevented from excessively moving downwards, and the rock covered net can be prevented from being excessively folded and damaged.
The furling and locking structure can prevent the first rack 12 with the stone-covered net furling and unfolding rod 10 from moving towards the sliding seat 18. So make can outwards drag the in-process of arranging the stone at the state of entangling the stone at set stone net and can not launch under the effect of external force, prevent that the stone accident from dropping, can improve the stability of arranging the stone, improve operation efficiency.
The furling structure is a locking bolt 21, the locking bolt 21 is screwed at the unfolding end 22 of the driving channel 17, and the end part of the locking bolt 21 can abut against the end part of the driving element 16 by rotating the locking bolt 21, so that the rotation of the second gear 14 to the unfolding end 22 is limited, and the movement of the rock covered net folding and unfolding rod 10 to the sliding seat 18 is limited.
Example 2
As shown in fig. 3, embodiment 2 has substantially the same contents as embodiment 1 except for the position of the lock bolt 21. In embodiment 2, the locking bolt 21 is screwed on the side of the second rack 15 facing the sliding seat 18, and rotating the locking bolt 21 can make the end of the locking bolt 21 abut against the upper end of the second rack 15 to limit the second rack 15 from sliding towards the sliding seat 18, so as to limit the movement of the rock-covered net take-up and pay-off rod 10 towards the sliding seat 18.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A disposable ureter soft lens comprises a lens tube (1), a lens handle (2) and a stone net sleeving control device connected with the lens handle (2), and is characterized in that the stone net sleeving control device comprises:
the stone-covered net folding and unfolding rod (10), the stone-covered net folding and unfolding rod (10) is connected with the stone-covered net to control the folding and unfolding of the stone-covered net;
the folding and unfolding structure can fold or unfold the stone covering net by driving the stone covering net folding and unfolding rod (10) to axially move;
the foldable locking structure can lock the foldable state, and prevent the stone covering net from being accidentally unfolded in the foldable state covering the stones.
Through drawing in the setting of locking structure in, can make set stone net outwards drag the in-process of arranging the stone at the state of entangling the stone and can not expand under the effect of external force, prevent that the stone accident from dropping, can improve the stability of arranging the stone, improve operation efficiency.
2. A disposable ureteroscope according to claim 1, wherein the contracting and expanding structure comprises:
the axis of the first gear (11) is vertical to the stone net retracting and expanding rod (10);
a rotational drive structure (13), the rotational drive structure (13) being capable of controlling circumferential rotation of the first gear (11);
the first rack (12) is meshed with the driving gear and is fixedly arranged on the stone cover net folding and unfolding rod (10) in parallel with the axis of the stone cover net folding and unfolding rod (10);
wherein, rotate drive structure (13) drive first gear (11) and rotate and enable first rack (12) to drive set stone net exhibition pole (10) and reciprocate and realize the exhibition.
3. The disposable ureteroscope according to claim 2, wherein the first rack (12) is provided with stoppers (24) at both the upper and lower ends, and the stoppers (24) can prevent the stone sheath deployment rod (10) from moving excessively to damage the stone sheath.
4. A disposable ureteroscope according to claim 2, wherein the rotary drive structure (13) comprises:
the second gear (14), the said second gear (14) is set up in the first gear (11) far away from one side of the first rack (12) and engages with first gear (11);
a second rack (15), said second rack (15) being parallel to the second gear (14) and to the first rack (12);
a drive member (16), the drive member (16) being connected to the second gear (14);
the driving channel (17) is in a circular arc shape concentric with the second gear (14), and the two ends of the driving channel (17) are an unfolding end (22) and a folding end (23) respectively;
the driving piece (16) is arranged in the driving channel (17) in a sliding mode and can slide along the driving channel (17) so as to drive the second gear (14) to rotate, the sliding process of the driving piece (16) from the folding end (23) to the unfolding end (22) is a rock covering net unfolding process, and the sliding process of the driving piece (16) from the unfolding end (22) to the folding end (23) is a rock covering net folding process.
5. The disposable flexible ureteroscope according to claim 4, wherein the retracting and expanding structure further comprises a retracting and restoring structure, and the retracting and restoring structure can automatically restore and retract the stone cover net from the expanding structure.
6. The disposable flexible ureteroscope according to claim 5, wherein the furled reduction structure comprises:
the sliding seat (18) is arranged above the first rack (12), the first rack (12) drives the stone net retracting and expanding rod (10) to move towards the sliding seat (18) to form a stone net unfolding process, and the first rack (12) drives the stone net retracting and expanding rod (10) to move towards the direction far away from the sliding seat (18) to form a stone net folding process;
one end of the sliding rod (19) is fixedly arranged at the upper end of the first rack (12), and the other end of the sliding rod (19) is arranged in the sliding seat (18) in a sliding manner;
the return spring (20), the outside of litter (19) is established to return spring (20) cover, and return spring (20) one end is connected with slide (18) lower extreme, and the other end is connected with first rack (12) upper end, and return spring (20) make first rack (12) have the motion trend of keeping away from slide (18) all the time.
7. The disposable ureteroscope according to claim 6, wherein the furled locking structure can prevent the first rack (12) from moving towards the sliding seat (18) with the stone-covered stent rod (10).
8. The disposable ureteroscope according to claim 7, wherein the furled locking structure is a locking bolt (21), the locking bolt (21) is screwed on the side of the second rack (15) facing the sliding seat (18), and the end of the locking bolt (21) can abut against the upper end of the second rack (15) by rotating the locking bolt (21) so as to limit the sliding of the second rack (15) towards the sliding seat (18).
9. A disposable ureteroscope according to claim 7, wherein the furling structure is a locking bolt (21), the locking bolt (21) is screwed to the opening end (22) of the driving channel (17), and the locking bolt (21) is rotated to make the end of the locking bolt (21) abut against the end of the driving member (16) so as to limit the rotation of the second gear (14) towards the opening end (22).
10. The disposable ureteroscope according to claim 1, wherein the scope tube (1) comprises a distal end portion (3), a bending portion (4) and an insertion portion (5), a working channel (6) is formed in the scope tube (1), and a camera device (7), an illuminating device (8) and a pressure monitoring device (9) are further arranged on the insertion portion (5).
CN202210521410.5A 2022-05-13 2022-05-13 Disposable ureter soft lens Withdrawn CN114938940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210521410.5A CN114938940A (en) 2022-05-13 2022-05-13 Disposable ureter soft lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210521410.5A CN114938940A (en) 2022-05-13 2022-05-13 Disposable ureter soft lens

Publications (1)

Publication Number Publication Date
CN114938940A true CN114938940A (en) 2022-08-26

Family

ID=82907865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210521410.5A Withdrawn CN114938940A (en) 2022-05-13 2022-05-13 Disposable ureter soft lens

Country Status (1)

Country Link
CN (1) CN114938940A (en)

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