CN215651356U - Endoscopic ligation device - Google Patents
Endoscopic ligation device Download PDFInfo
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- CN215651356U CN215651356U CN202121843554.XU CN202121843554U CN215651356U CN 215651356 U CN215651356 U CN 215651356U CN 202121843554 U CN202121843554 U CN 202121843554U CN 215651356 U CN215651356 U CN 215651356U
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- 238000004804 winding Methods 0.000 claims abstract description 51
- 239000011324 bead Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an endoscope ligation device, which comprises a mounting seat, a winding drum, a traction rope, a ratchet wheel, a pawl and an abutting elastic piece; wherein the winding drum is rotatably connected to the mounting seat; one end of the pulling rope is wound on the winding drum; the mounting seat is provided with a threading hole for the other end of the traction rope to pass through; the ratchet wheel is connected with the winding drum; the pawl is rotatably connected to the mounting seat, one end of the pawl is abutted against the ratchet wheel and is suitable for limiting the ratchet wheel to rotate towards the direction of releasing the traction rope on the winding drum, and the other end of the pawl extends out of the mounting seat; the abutting elastic piece is connected between the mounting seat and the pawl and is suitable for driving the pawl to keep abutting against the ratchet wheel. The utility model can prevent the pulling rope from loosening from the winding drum and avoid influencing the normal operation of a doctor.
Description
Technical Field
The present invention relates to an endoscopic ligation device.
Background
At present, an endoscope ligation device is a tool for performing ligation treatment on polyps, phlebangiomas and the like, and the endoscope ligation device is provided with a winding drum and a pulling rope, wherein the pulling rope is wound on the winding drum, and the winding drum is rotated to wind the pulling rope so as to drive a ligation elastic ring to release to tie the polyps or the phlebangiomas. However, in the conventional endoscopic ligation device, the pulling rope is easily loosened from the reel, and the normal operation of the doctor is affected, which causes inconvenience in the operation.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an endoscope ligation device which can prevent a traction rope from loosening from a winding drum and avoid influencing the normal operation of a doctor.
In order to solve the technical problems, the technical scheme of the utility model is as follows: an endoscope ligation device comprises a mounting seat, a winding drum, a traction rope, a ratchet wheel, a pawl and an abutting elastic piece; wherein,
the winding drum is rotatably connected to the mounting seat;
one end of the pulling rope is wound on the winding drum;
the mounting seat is provided with a threading hole for the other end of the traction rope to pass through;
the ratchet wheel is connected with the winding drum;
the pawl is rotatably connected to the mounting seat, one end of the pawl is abutted against the ratchet wheel and is suitable for limiting the ratchet wheel to rotate towards the direction of releasing the traction rope on the winding drum, and the other end of the pawl extends out of the mounting seat;
the abutting elastic piece is connected between the mounting seat and the pawl and is suitable for driving the pawl to keep abutting against the ratchet wheel.
Further, the abutting elastic piece is a torsion spring, a tension spring or a compression spring.
Further provides a concrete structure of the reel, the endoscopic ligation device further comprises a knob; wherein,
the winding drum comprises a drum body and a shaft body;
the shaft body is rotatably connected to the mounting seat;
the barrel is connected to the shaft body, and the pulling rope is wound and connected to the barrel;
the knob is connected with the shaft body and is suitable for being operated to rotate so as to drive the cylinder body to rotate.
Further, the endoscopic ligation device further comprises an emptying prompting device adapted to emit a prompting sound when the pulling rope on the reel is completely released.
Further provides a concrete structure of the emptying prompting device, and the emptying prompting device comprises a striking rod, a striking column and a striking elastic piece; wherein,
the impact column is connected to the pulling rope and is suitable for being driven by the pulling rope to penetrate into the threading hole;
the outer cylindrical surface of the impact column is provided with at least two column tooth parts which are sequentially arranged along the axial direction of the impact column;
the impact rod is rotatably connected to the mounting seat, and an impact tooth part which is suitable for extending into the threading hole and colliding with the column tooth part to make a sound when the impact column passes through the threading hole is arranged on the impact rod;
the impact elastic piece is connected between the impact rod and the mounting seat and is suitable for driving the impact tooth part to abut against the impact column.
Further, in order to guide the impact column to enter the threading hole, one end of the threading hole is provided with a guide cone part which is suitable for guiding the impact column to enter the threading hole.
Further, one end part of the impact rod extends out of the mounting seat;
one end part of the striking rod extending out of the mounting seat is suitable for being stirred so as to drive the striking rod to overcome the elastic force of the striking elastic piece to rotate, and then the striking tooth part exits the threading hole.
Further provides a concrete structure of the mounting seat, wherein the mounting seat comprises a first seat body, a second seat body and a cover plate; wherein,
the first seat body is connected with the second seat body;
a first cavity suitable for accommodating the winding drum and a second cavity suitable for mounting the impact rod are arranged between the first seat body and the second seat body;
the cover plate is connected to the second seat body, and a third chamber suitable for mounting the ratchet wheel and the pawl is arranged between the cover plate and the second seat body.
Furthermore, the endoscope ligation device also comprises a tube body connected to the base body, and a tube hole communicated with the threading hole and allowing the traction rope to pass through is formed in the tube body.
Further, the endoscope ligation device also comprises a sleeve, at least one ligation elastic ring and at least one pull wire; wherein,
the front end part of the sleeve is suitable for sucking the tissue to be ligated;
the ligation elastic ring is sleeved on the outer wall of the sleeve;
the pull wire extends into the sleeve from the rear end part of the sleeve and extends out of the front end part of the sleeve to the outer side of the sleeve;
the pull wire penetrates between the ligation elastic ring and the outer wall of the sleeve;
the pull wire is connected with beads corresponding to the ligation elastic rings, and the beads are positioned behind the corresponding ligation elastic rings.
After the technical scheme is adopted, the pawl supports against the ratchet wheel and limits the ratchet wheel to rotate in the direction of releasing the traction rope on the winding drum, so that the winding drum is limited to rotate in the direction of releasing the traction rope, the traction rope can be prevented from loosening from the winding drum, normal operation of a doctor cannot be influenced, and the operation is more convenient.
Specifically, the winding drum can rotate towards the direction of winding the traction rope so as to wind the traction rope; in addition, when the pulling rope on the winding drum needs to be released, the end part of the pawl extending out of the mounting seat is poked so that the pawl is separated from the ratchet wheel in an abutting mode, and at the moment, the pulling rope can be released from the winding drum only by pulling the pulling rope.
Drawings
Fig. 1 is a schematic structural view of an endoscopic ligation device according to the present invention;
FIG. 2 is an exploded assembly view of the endoscopic ligation device of the present invention;
FIG. 3 is a detail view of a portion of FIG. 2;
FIG. 4 is a schematic structural diagram of a purge prompting device of the present invention;
fig. 5 is a schematic view of the structure of the casing according to the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 3, an endoscope ligation device comprises a mounting base 100, a winding drum 200, a traction rope 1, a ratchet 2, a pawl 3 and an abutting elastic part 4; wherein,
the winding drum 200 is rotatably connected to the mounting seat 100;
one end of the pulling rope 1 is wound around the spool 200;
the mounting seat 100 is provided with a threading hole 5 for the other end of the traction rope 1 to pass through;
the ratchet 2 is connected with the winding drum 200;
the pawl 3 is rotatably connected to the mounting seat 100, one end of the pawl 3 abuts against the ratchet 2 and is adapted to limit the ratchet 2 from rotating in a direction of releasing the traction rope 1 on the winding drum 200, and the other end of the pawl 3 extends out of the mounting seat 100;
the abutment elastic member 4 is connected between the mounting seat 100 and the pawl 3 and is adapted to drive the pawl 3 to remain against the ratchet 2; specifically, the pawl 3 supports against the ratchet wheel 2 and limits the ratchet wheel 2 to rotate in the direction of releasing the traction rope 1 on the winding drum 200, so that the winding drum 200 is limited to rotate in the direction of releasing the traction rope 1, the traction rope 1 can be prevented from loosening from the winding drum 200, normal operation of a doctor cannot be influenced, and operation is more convenient. More specifically, the winding drum 200 may rotate in a direction of winding the pulling rope 1 to wind the pulling rope 1, and when the pulling rope 1 needs to be released, the end of the pawl 3 extending out of the mounting seat 100 is toggled to disengage the pawl 3 from the ratchet 2, so that the pulling rope 1 can be released from the winding drum 200 by pulling the pulling rope 1. The specific structures of the ratchet 2 and the pawl 3 are well known in the prior art.
Specifically, the abutting elastic part 4 is a torsion spring, a tension spring or a compression spring; in this embodiment, the abutting elastic member 4 is a pressure spring, the pawl 3 is provided with a first pin, the base is provided with a second pin, one end of the pressure spring is sleeved on the first pin and abuts against the pawl 3, the other end of the pressure spring is sleeved on the second pin and abuts against the mounting seat 100, and the pressure spring drives the pawl 3 to rotate under the action of the compression elastic force so that one end of the pawl 3 abuts against the ratchet 2.
As shown in fig. 1 and 2, the endoscopic ligation device may further include a knob 6; wherein,
the winding drum 200 may include a drum body 7 and a shaft body 8;
the shaft body 8 is rotatably connected to the mounting seat 100;
the cylinder 7 is connected to the shaft body 8, and the traction rope 1 is wound on the cylinder 7;
the knob 6 is connected with the shaft body 8 and is suitable for being operated to rotate so as to drive the cylinder body 7 to rotate.
As shown in fig. 1 to 4, the endoscopic ligation device may further comprise a blow-out prompting device adapted to emit a prompting sound when the pulling rope 1 on the reel 200 is completely released, such as, but not limited to, a structure including a striker bar 9, a striker post 10 and a striker elastic member 11; wherein,
the impact column 10 is connected to the traction rope 1 and is suitable for being driven by the traction rope 1 to penetrate into the threading hole 5;
the outer cylindrical surface of the impact column 10 is provided with at least two column tooth parts 12 which are sequentially arranged along the axial direction of the impact column 10;
the impact rod 9 is rotatably connected to the mounting seat 100, and an impact tooth part 13 which is suitable for extending into the threading hole 5 and colliding with the column tooth part 12 to make a sound in the process that the impact column 10 passes through the threading hole 5 is arranged on the impact rod 9;
the impact spring 11 is connected between the impact rod 9 and the mounting seat 100 and is adapted to drive the impact tooth portion 13 against the impact column 10; specifically, as shown in fig. 4, in the process of downward movement of the impact column 10, under the cooperation of the column tooth portion 12 and the impact tooth portion 13, the impact tooth portion 13 will continuously swing and collide with the column tooth portion 12, and the collision can generate a sound to remind the user that the pulling rope 1 on the winding drum 200 is about to be completely released; the impact elastic member 11 may be a tension spring, a compression spring, or a torsion spring, and the specific structures and the specific installation manners of the tension spring, the compression spring, or the torsion spring are well known to those skilled in the art in the prior art, and are not described in detail in this embodiment; in this embodiment, the striking elastic member 11 is a torsion spring, and the hole diameter of the threading hole 5 is slightly larger than the outer diameter of the striking cylinder 10.
As shown in fig. 2 and 4, an end of the threading hole 5 may be provided with a guide taper 14 adapted to guide the impact column 10 into the threading hole 5.
As shown in fig. 1, 2 and 4, one end of the striking rod 9 extends out of the mounting seat 100;
one end part of the striking rod 9 extending out of the mounting seat 100 is suitable for being dialed to drive the striking rod 9 to rotate against the elastic force of the striking elastic piece 11 so as to enable the striking tooth part 13 to exit the threading hole 5; specifically, after the traction rope 1 on the winding drum 200 is completely released, the traction rope 1 needs to be wound again, and at this time, the striking rod 9 is pulled to extend to one end part outside the mounting seat 100 so as to enable the striking tooth part 13 to exit from the threading hole 5, so that the striking column 10 smoothly passes through the threading hole 5.
As shown in fig. 1 and 2, the mounting seat 100 includes, for example and without limitation, a first seat 15, a second seat 16, and a cover 17; wherein,
the first seat body 15 is connected with the second seat body 16;
a first chamber 18 suitable for accommodating the winding drum 200 and a second chamber 19 suitable for installing the impact rod 9 are arranged between the first seat body 15 and the second seat body 16, and the threading hole 5 is communicated with the first chamber 18;
the cover plate 17 is connected to the second seat 16, a third chamber 20 suitable for mounting the ratchet 2 and the pawl 3 is arranged between the cover plate 17 and the second seat 16, and the third chamber 20 is communicated with the threading hole 5.
As shown in fig. 1 and 2, the endoscopic ligation device may further include a tube body 21 connected to the base body, and a tube hole communicating with the threading hole 5 and through which the traction rope 1 passes is formed in the tube body 21.
As shown in fig. 1, 2 and 5, the endoscopic ligation device may further comprise a sleeve 22, at least one ligation elastic ring 23 and at least one pull wire 24; wherein,
the front end of the sleeve 22 is adapted to grasp the tissue to be ligated;
the ligation elastic ring 23 is sleeved on the outer wall of the sleeve 22;
the pull wire 24 extends into the sleeve 22 from the rear end of the sleeve 22 and extends to the outside of the sleeve 22 from the front end of the sleeve 22;
the pull wire 24 passes through between the ligation elastic ring 23 and the outer wall of the sleeve 22;
the pull wire 24 is connected with a bead 25 corresponding to the ligation elastic ring 23, and the bead 25 is positioned behind the corresponding ligation elastic ring 23; specifically, the pulling rope 1 penetrates through the threading hole 5 and the pipe hole and then is connected with the pulling wire 24, when the winding drum 200 winds the pulling rope 1, the pulling rope 1 pulls the pulling wire 24, and then the beads 25 on the pulling wire 24 are driven to move, and the beads 25 abut against the ligation elastic ring 23 and drive the ligation elastic ring 23 to be released from the sleeve 22 and to be used for ligating the tissue to be ligated. More specifically, the rear end of the sleeve 22 is adapted to be sleeved on the tube 21, the sleeve 22 is adapted to suck the tissue to be ligated under the action of negative pressure, and the tissue to be ligated may be, but is not limited to, polyps or phlebangiomas; the pulling wire 24 is connected with a connecting ball 26, the pulling wire 1 is connected with a connecting ring 27, and the specific structures of the connecting ball 26 and the connecting ring 27 are the prior art well known to those skilled in the art, and are not described in detail in this embodiment.
The working principle of the utility model is as follows:
the pawl 3 supports against the ratchet wheel 2 and limits the ratchet wheel 2 to rotate towards the direction of releasing the traction rope 1 on the winding drum 200, so that the winding drum 200 is limited to rotate towards the direction of releasing the traction rope 1, the traction rope 1 can be prevented from loosening from the winding drum 200, normal operation of a doctor cannot be influenced, and operation is more convenient.
Specifically, the winding drum 200 may rotate in a direction of winding the traction rope 1 to wind the traction rope 1; when the pulling rope 1 on the reel 200 needs to be released, the end of the pawl 3 extending out of the mounting seat 100 is pulled to disengage the pawl 3 from the ratchet 2, and at this time, the pulling rope 1 can be released from the reel 200 by pulling the pulling rope 1.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An endoscope ligation device is characterized by comprising a mounting seat (100), a winding drum (200), a traction rope (1), a ratchet wheel (2), a pawl (3) and an abutting elastic piece (4); wherein,
the winding drum (200) is rotatably connected to the mounting base (100);
one end of the traction rope (1) is wound on the winding drum (200);
the mounting seat (100) is provided with a threading hole (5) for the other end of the traction rope (1) to pass through;
the ratchet wheel (2) is connected with the winding drum (200);
the pawl (3) is rotatably connected to the mounting seat (100), one end of the pawl (3) is abutted against the ratchet wheel (2) and is suitable for limiting the ratchet wheel (2) to rotate towards the direction of releasing the traction rope (1) on the winding drum (200), and the other end of the pawl (3) extends out of the mounting seat (100);
the abutting elastic piece (4) is connected between the mounting seat (100) and the pawl (3) and is suitable for driving the pawl (3) to keep abutting against the ratchet wheel (2).
2. The endoscopic ligation device according to claim 1, wherein the abutting elastic member (4) is a torsion spring or a tension spring or a compression spring.
3. The endoscopic ligation device according to claim 1, further comprising a knob (6); wherein,
the winding drum (200) comprises a drum body (7) and a shaft body (8);
the shaft body (8) is rotatably connected to the mounting base (100);
the barrel (7) is connected to the shaft body (8), and the traction rope (1) is wound on the barrel (7);
the knob (6) is connected with the shaft body (8) and is suitable for being operated to rotate so as to drive the cylinder body (7) to rotate.
4. The endoscopic ligation device according to claim 1, further comprising an emptying cue device adapted to emit a cue sound when the pulling rope (1) on the reel (200) is fully released.
5. The endoscopic ligation device according to claim 4, wherein the emptying cue device comprises a striker rod (9), a striker post (10) and a striker spring (11); wherein,
the impact column (10) is connected to the traction rope (1) and is suitable for being driven by the traction rope (1) to penetrate into the threading hole (5);
the outer cylindrical surface of the impact column (10) is provided with at least two column tooth parts (12) which are sequentially arranged along the axial direction of the impact column (10);
the impact rod (9) is rotatably connected to the mounting seat (100), and an impact tooth part (13) which is suitable for extending into the threading hole (5) and colliding with the column tooth part (12) to make a sound in the process that the impact column (10) passes through the threading hole (5) is arranged on the impact rod (9);
the impact spring (11) is connected between the impact rod (9) and the mounting seat (100) and is adapted to drive the impact tooth (13) against the impact post (10).
6. The endoscopic ligation device according to claim 5, wherein one end of the threading hole (5) is provided with a guiding taper (14) adapted to guide the striker (10) into the threading hole (5).
7. The endoscopic ligation device according to claim 5,
one end part of the striking rod (9) extends out of the mounting seat (100);
one end part of the impact rod (9) extending out of the mounting seat (100) is suitable for being stirred to drive the impact rod (9) to rotate against the elastic force of the impact elastic piece (11) so as to enable the impact tooth part (13) to exit the threading hole (5).
8. The endoscopic ligation device according to claim 5, wherein the mounting seat (100) comprises a first seat (15), a second seat (16) and a cover plate (17); wherein,
the first seat body (15) is connected with the second seat body (16);
a first chamber (18) suitable for accommodating the winding drum (200) and a second chamber (19) suitable for mounting the impact rod (9) are arranged between the first seat body (15) and the second seat body (16);
the cover plate (17) is connected to the second seat body (16), and a third chamber (20) suitable for mounting the ratchet wheel (2) and the pawl (3) is arranged between the cover plate (17) and the second seat body (16).
9. The endoscopic ligation device according to claim 1, further comprising a tube body (21) connected to the base body, wherein the tube body (21) is provided therein with a tube hole communicating with the threading hole (5) and through which the pulling rope (1) passes.
10. The endoscopic ligation device according to claim 9, further comprising a sleeve (22), at least one ligating elastic ring (23) and at least one pull wire (24); wherein,
the front end of the sleeve (22) is suitable for sucking the tissue to be ligated;
the ligation elastic ring (23) is sleeved on the outer wall of the sleeve (22);
the pull wire (24) extends into the sleeve (22) from the rear end of the sleeve (22) and extends to the outside of the sleeve (22) from the front end of the sleeve (22);
the pull wire (24) passes through between the ligation elastic ring (23) and the outer wall of the sleeve (22);
the pull wire (24) is connected with beads (25) corresponding to the ligation elastic rings (23), and the beads (25) are located behind the corresponding ligation elastic rings (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121843554.XU CN215651356U (en) | 2021-08-06 | 2021-08-06 | Endoscopic ligation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121843554.XU CN215651356U (en) | 2021-08-06 | 2021-08-06 | Endoscopic ligation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215651356U true CN215651356U (en) | 2022-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121843554.XU Active CN215651356U (en) | 2021-08-06 | 2021-08-06 | Endoscopic ligation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215651356U (en) |
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2021
- 2021-08-06 CN CN202121843554.XU patent/CN215651356U/en active Active
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