CN219814988U - Guide wire locking device - Google Patents
Guide wire locking device Download PDFInfo
- Publication number
- CN219814988U CN219814988U CN202320733434.7U CN202320733434U CN219814988U CN 219814988 U CN219814988 U CN 219814988U CN 202320733434 U CN202320733434 U CN 202320733434U CN 219814988 U CN219814988 U CN 219814988U
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- China
- Prior art keywords
- locking
- body part
- main body
- endoscope
- guide wire
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Links
- 238000001574 biopsy Methods 0.000 claims abstract description 17
- 238000005452 bending Methods 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims 1
- 230000003902 lesion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000002183 duodenal effect Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 210000003445 biliary tract Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000000013 bile duct Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000000277 pancreatic duct Anatomy 0.000 description 1
Abstract
The utility model provides a guide wire locking device, which comprises a main body part, a locking anchor connected to the main body part, a locking arm and a fixing piece; the bottom of the main body part is connected with an endoscope lens barrel, and the main body part extends upwards to the position above the biopsy channel port along the direction of the endoscope lens barrel; a locking arm fixedly connected to an upper portion of the body portion, the locking arm extending transversely between the biopsy port and the locking anchor such that the guidewire is guided to bend along a predetermined path from the biopsy port to the locking anchor; the upper end of the main body part is formed into a step part facing away from the endoscope lens barrel, and the locking anchor extends upwards from the step part to fix the guide wire relative to the endoscope; one side of the bottom of the main body part far away from the endoscope lens barrel is provided with a locking piece, one end of the fixing piece is connected with the locking piece, and the other end of the fixing piece surrounds and tightens up along the endoscope lens barrel and is fixedly connected with the locking part. According to the technical scheme, the guide wire is firmly fixed and does not shift, and the locking device is firmly connected with the endoscope; the hand operation of doctors is liberated, the operation steps are simplified, the operation time is reduced, the operation cost is simplified, and the operation efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a guide wire locking device.
Background
Currently, it is becoming more common to treat lesions in the digestive or biliary tract by endoscopic surgery, and during the treatment procedure, the surgical procedure is typically to insert an endoscope transorally into the duodenal lower portion to the duodenal papilla, and additional instruments are inserted through the endoscope lumen so that they extend beyond the distal end of the endoscope, such as a catheter, the distal end of which is guided by the endoscope lumen through the orifice of the duodenal papilla and into the bile duct or pancreatic duct to treat the lesions. In this procedure, it is generally necessary to use a guidewire with the catheter to facilitate access to the lesion site, to insert the guidewire into the guidewire bore at the proximal end of the catheter and to be guided until it extends beyond the distal end of the catheter, and to then push the guidewire into the lesion site of the biliary tract, and to then move the catheter forward under the guidewire guidance until the distal end of the catheter reaches the lesion site. During surgical procedures, a different functional catheter may be required to treat the lesion, such as removing a first catheter and replacing it with a second catheter, during which the guidewire is not typically replaced, but the first catheter is withdrawn from the endoscope lumen, the guidewire port of the second catheter is inserted into the guidewire, and the second catheter is advanced under the guidewire guidance until the distal end of the second catheter reaches the lesion. During catheter replacement, if the guidewire is displaced, the guidewire must be repositioned through the endoscope to the target area, a difficult and time consuming procedure.
In conventional surgical procedures, a physician typically grasps the proximal end of the guidewire with one hand to secure the guidewire and performs catheter replacement with the other hand. This procedure often results in guidewire displacement. In addition, doctors often need to fix more than one guide wire at the same time, extra personnel are needed in the operation process, and the replacement process is troublesome. Therefore, a guide wire locking device is required to be designed, so that the guide wire is convenient to fix and not shift.
Disclosure of Invention
The utility model aims to provide a guide wire locking device which is convenient for fixing and not shifting a guide wire, and is firm in locking the guide wire and firm in connection with an endoscope; the hand operation of doctors is liberated, the operation steps are simplified, the operation time is reduced, the operation cost is simplified, and the operation efficiency is improved.
According to one aspect of the present utility model, a guidewire locking device includes a body portion, a locking anchor connected to the body portion, and a locking arm; the bottom of the main body part is connected with an endoscope lens barrel, and the main body part extends upwards to the position above the biopsy channel port along the direction of the endoscope lens barrel; the locking arm is fixedly connected to the upper part of the main body part, and the locking arm transversely extends between the biopsy channel port and the locking anchor, so that the guide wire is guided to bend to the locking anchor along a preset path from the biopsy channel port; the upper end portion of the main body portion is formed as a stepped portion facing away from the endoscope barrel, and the lock anchor extends upward from the stepped portion to fix the guide wire with respect to the endoscope.
Preferably, a gap is formed between the locking arm and an upper portion of the body portion such that a guidewire protrudes from the biopsy channel port through the gap for bending guiding to the locking anchor.
Preferably, the endoscope comprises a main body part, wherein the bottom of the main body part is provided with a locking piece at one side far away from the endoscope lens barrel, one end of the locking piece is connected with the locking piece, and the other end of the locking piece is tightened around the endoscope lens barrel and fixedly connected with the locking piece.
Preferably, the central portion of the body portion extends transversely to form an oval shape.
Preferably, the other end of the fixing piece is provided with a first round hole and a plurality of second round holes at intervals, and the fixing piece is fixedly connected with the locking piece through the second round holes.
Preferably, the first circular hole diameter is larger than the second circular hole diameter.
Preferably, the locking part is a pin, and the fixing piece is fixedly connected with the pin through the second round hole and locked.
Preferably, the locking anchor comprises a tapered groove and an entry groove, each entry groove is correspondingly communicated with each tapered groove, the size of the entry groove is larger than the diameter of the guide wire, the minimum width of the tapered groove is smaller than the diameter of the guide wire, and the tapered grooves frictionally fix the guide wire.
Preferably, the body portion, the locking anchor and the locking arm are injection molded as one piece.
Preferably, the bottom of the body part is formed in a circular ring shape adapted to be connected to a lens barrel of an endoscope.
According to the guide wire locking device, the step is arranged on the guide wire locking path, so that the guide wire is repeatedly bent for a plurality of times, and the guide wire is firmly fixed and locked and does not shift; the middle part of the main body part is designed into an ellipse shape, so that the holding stress area is increased, and the main body part is prevented from being longitudinally broken; the first round hole is arranged on the fixing piece, so that the acting force is easily applied when the fixing piece is in locking connection or unlocking; the scheme liberates hands of doctors, simplifies operation steps, reduces operation time, simplifies operation cost and improves operation efficiency.
Drawings
FIG. 1 is a schematic view of the structure of one embodiment of a guidewire locking device 1;
FIG. 2 is a schematic view of the structure of one embodiment of a guidewire locking device 2;
FIG. 3 is a view of FIG. 1 showing the guide wire locking device in use;
fig. 4 is a view of the guide wire locking device in use as shown in fig. 2.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, and the preferred embodiments of the present utility model are presented in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, so that the utility model is not limited to the specific embodiments disclosed below.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. In the description of the present utility model, the meaning of "several" means at least one, such as one, two, etc., unless specifically defined otherwise. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In this document, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, unless explicitly stated or limited otherwise. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements.
Embodiments of the utility model are further elaborated below in connection with the drawings of the specification.
As shown in fig. 1-2, the guide wire locking device of this embodiment 1 includes: comprising a main body part 1, a locking anchor 2 connected to the main body part 1, a locking arm 3 and a fixing element 4; the bottom 11 of the main body part is connected with the endoscope barrel 6, the bottom 11 can take different forms, the embodiment shows a semicircle shape, the diameter of the semicircle shape is basically matched with the endoscope barrel 6 in a fitting way, and according to different structures of the endoscope barrel 6, the size of the bottom 11 which is suitable for the endoscope barrel 6 with different sizes can be designed adaptively; the side of the bottom 11 of the main body part, which is far away from the endoscope barrel 6, is provided with a locking piece 111, for example, the locking piece 111 is a pin for fixedly connecting the bottom 11 with the endoscope barrel 6; one end of the fixing member 4 is connected with the locking member 111, and the other end of the fixing member 4 is tightened around the endoscope barrel 6 and fixedly connected with the locking member 111; specifically, the fixing piece 4 is provided with a first round hole 41 and a plurality of second round holes 42 at intervals, that is, the fixing piece 4 is locked by fixing the connecting pin 111 through the second round holes 42. In use, the guide wire locking device is placed in the correct direction, namely the bottom 11 of the main body part is installed and matched on the endoscope lens barrel 6, and the locking device is firmly connected with the endoscope by tightening the fixing piece 4 around the endoscope lens barrel 6 and fixing one of the second round holes 42 on the pin 111 for locking; the second round holes 42 are arranged, so that the tightness of the connection of the guide wire locking device and the endoscope lens barrel 6 and the position on the endoscope lens barrel 6 can be finely adjusted, and the guide wire locking device is also suitable for being installed on the endoscope lens barrel 6 with different sizes. Further, the diameter of the first round hole 41 is larger than that of the second round hole 42, and the purpose of designing the large round hole 41 is to facilitate the operator to apply the acting force to lock or unlock the guide wire locking device on the endoscope lens barrel 6 when in use, so that the operation is convenient and labor-saving.
As shown in fig. 2-3, the main body 1 extends upward above the biopsy channel port 7 along the endoscope barrel 6, and the middle portion 12 of the main body 1 extends transversely to form an ellipse; when the guide wire locking device is used, the middle part 12 of the main body part is designed into an ellipse shape, so as to enlarge the stress area of the main body part and prevent the main body part 1 from being longitudinally broken. The locking arm 3 is fixedly connected to an upper portion 13 of the body portion, the locking arm 3 extending laterally between the biopsy channel port 7 and the locking anchor 2 such that the guide wire 8 is guided bent from the biopsy channel port 7 to the locking anchor 2 along a predetermined path, an upper end portion 14 of the body portion is formed as a stepped portion 141 directed away from the barrel of the endoscope, the locking anchor 2 extends upwardly from the stepped portion 141 to fix the guide wire relative to the endoscope, and more specifically, a gap 5 is formed between the locking arm 3 and the upper portion 13 of the body portion such that the guide wire 8 protruding from the biopsy channel port 7 is guided bent through the gap 5 to the locking anchor 2. When the guide wire locking device is used, after the guide wire 8 extending out of the biopsy channel port 7 passes through a gap 5 formed between the locking arm 3 and the upper part 13 of the main body part, the guide wire is bent at the step part 141, enters and passes through the locking anchor 2 and extends to the upper part outside the guide wire locking device, and the locking arm 3, the step part 141 and the locking anchor 2 provide certain friction force to complete locking of the guide wire.
As shown in fig. 3-4, the locking anchor 2 includes tapered grooves 21 and entry grooves 22, each entry groove 22 being in communication with each tapered groove 21, respectively, the entry groove 22 being sized larger than the diameter of the guidewire, the minimum width of the tapered groove 21 being smaller than the diameter of the guidewire, the tapered groove 21 frictionally securing the guidewire. The size of the access slot 22 is greater than the diameter of the guidewire to facilitate guidewire access. In use of the guidewire locking device, the guidewire 8 extending from the biopsy channel port 7 passes through the gap 5 formed between the locking arm 3 and the upper part 13 of the body part, and then bends at the step 141, enters the entry slot 22, further enters the tapered slot 21 and is locked by the minimum width of the tapered slot 21. The guide wire locking device can lock and fix one or more guide wires according to the requirement, and each of the entering grooves 22 and the corresponding communicated conical grooves 21 can also lock and fix one or more guide wires according to the requirement. In this embodiment, two entry grooves 22 and two tapered grooves 21 are provided, respectively, and one or more entry grooves may be provided as needed. Further, the main body part 1, the locking anchor 2 and the locking arm 3 are integrally molded, so that the processing is convenient and the cost is low.
According to the guide wire locking device, the step 141 is arranged on the guide wire locking path, so that the guide wire 8 is repeatedly bent for a plurality of times, and the guide wire 8 is firmly fixed and locked and does not shift; the middle part 12 of the main body part is designed into an ellipse shape, so that the holding stress area is enlarged, and the longitudinal fracture of the main body part 1 is prevented; the fixing piece is provided with a first round hole 41, so that the force is easily applied when the locking connection or unlocking is performed; according to the scheme, the hands of a doctor are liberated, the operation steps are simplified, the operation time is reduced, the operation cost is simplified, and the operation efficiency is improved.
It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present utility model without departing from the spirit and scope of the utility model. Therefore, it is intended that the present utility model cover the modifications and variations of this utility model provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A guidewire locking device, characterized by comprising a body part (1), a locking anchor (2) connected to the body part (1) and a locking arm (3);
the bottom (11) of the main body part (1) is connected with the endoscope barrel (6), and the main body part (1) extends upwards to the position above the biopsy channel port (7) along the direction of the endoscope barrel (6);
the locking arm (3) is fixedly connected to an upper part (13) of the body part, the locking arm (3) extending transversely between the biopsy channel port (7) and the locking anchor (2) such that the guide wire (8) is guided to bend along a predetermined path from the biopsy channel port (7) to the locking anchor (2);
an upper end portion (14) of the main body portion is formed as a stepped portion (141) facing away from the endoscope barrel, and the lock anchor (2) extends upward from the stepped portion (141) to fix the guide wire with respect to the endoscope.
2. The guidewire locking device of claim 1, wherein: a gap (5) is formed between the locking arm (3) and the upper part (13) of the body part, so that a guide wire extending from the biopsy channel port is guided to the locking anchor (2) by bending through the gap (5).
3. The guidewire locking device of claim 1, wherein: the endoscope comprises a main body part, and is characterized by further comprising a fixing piece (4), wherein one side, far away from the endoscope lens barrel (6), of the bottom (11) of the main body part is provided with a locking piece (111), one end of the fixing piece (4) is connected with the locking piece (111), and the other end of the fixing piece (4) is tightened around the endoscope lens barrel (6) and fixedly connected with the locking piece (111).
4. The guidewire locking device of claim 1, wherein: the middle part (12) of the main body part (1) transversely extends to form an ellipse shape.
5. A guidewire locking device as in claim 3 wherein: the fixing piece 4 is provided with a first round hole (41) and a plurality of second round holes (42) at intervals, and the fixing piece is fixedly connected with the locking piece (111) through the second round holes (42).
6. The guidewire locking device of claim 5, wherein: the diameter of the first round hole (41) is larger than that of the second round hole (42).
7. The guidewire locking device of claim 5, wherein: the locking piece (111) is a pin, and the fixing piece (4) is fixedly connected with the pin through a second round hole (42) and locked.
8. The guidewire locking device of claim 1, wherein: the locking anchor (2) comprises a conical groove (21) and an entry groove (22), each entry groove (22) is correspondingly communicated with each conical groove (21) respectively, the size of each entry groove (22) is larger than the diameter of the guide wire, the minimum width of each conical groove (21) is smaller than the diameter of the guide wire, and the guide wire is fixed in a friction mode through each conical groove (21).
9. The guidewire locking device of claim 1, wherein: the main body part (1), the locking anchor (2) and the locking arm (3) are integrally molded by injection molding.
10. The guidewire locking device of claim 1, wherein: the bottom (11) of the body (1) is formed in a circular ring shape suitable for connection with an endoscope barrel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733434.7U CN219814988U (en) | 2023-04-06 | 2023-04-06 | Guide wire locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733434.7U CN219814988U (en) | 2023-04-06 | 2023-04-06 | Guide wire locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219814988U true CN219814988U (en) | 2023-10-13 |
Family
ID=88248107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320733434.7U Active CN219814988U (en) | 2023-04-06 | 2023-04-06 | Guide wire locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219814988U (en) |
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2023
- 2023-04-06 CN CN202320733434.7U patent/CN219814988U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 10, No. 23 Huashan Middle Road, Xinbei District, Changzhou City, Jiangsu Province, 213022 Patentee after: LEO MEDICAL CO.,LTD. Country or region after: China Address before: Building 10, No. 18 Huashan Road, Xinbei District, Changzhou City, Jiangsu Province, 213002 Patentee before: LEO MEDICAL CO.,LTD. Country or region before: China |