CN108420490B - Clip and clip device for endoscope - Google Patents
Clip and clip device for endoscope Download PDFInfo
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- CN108420490B CN108420490B CN201810314704.4A CN201810314704A CN108420490B CN 108420490 B CN108420490 B CN 108420490B CN 201810314704 A CN201810314704 A CN 201810314704A CN 108420490 B CN108420490 B CN 108420490B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for haemostasis, for prevention of bleeding
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- Clamps And Clips (AREA)
Abstract
The invention provides a clip for an endoscope and a clip device, and belongs to the technical field of medical appliances. The clip for the endoscope comprises a first clamping piece, a second clamping piece, a first connecting piece and a second connecting piece, wherein the first clamping piece is hinged with the second clamping piece, the first clamping piece is hinged with the first connecting piece, the second clamping piece is hinged with the second connecting piece, the first clamping piece and the second clamping piece are both provided with a first matching part, the first connecting piece and the second connecting piece are both provided with a second matching part, and when the clip is closed, the first matching part of the first clamping piece is locked with the second matching part of the first connecting piece, and the first matching part of the second clamping piece is locked with the second matching part of the second connecting piece. When the clamp is closed, the first matching part and the second matching part are locked to form a closed self-locking state, so that the effect is better.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a clip for an endoscope and a clip device.
Background
Currently, in clinical medical applications, gastrointestinal bleeding is a common clinical symptom. Endoscopic hemostasis has become one of the most preferred hemostasis methods, but in various hemostasis methods adopted at present, clip hemostasis has the advantages of small wound, high hemostasis speed and few complications, has definite curative effect, and has become an important method for non-operative treatment of digestive tract hemorrhage. The basic principle is that a special small metal clip is utilized to directly clamp a bleeding blood vessel or a torn mucosa, so that the effects of mechanical compression hemostasis and suturing are achieved, and the effectiveness of the device is confirmed.
However, when the existing clip is used, the existing clip is opened after being closed, and the effect of the existing clip is to be improved.
Disclosure of Invention
The invention aims to provide a clip for an endoscope, which forms a closed self-locking state and has better effect.
Another object of the present invention is to provide a clip device that can be used with the clip for an endoscope to form a closed self-locking state, thereby providing a better effect.
The invention is realized by adopting the following technical scheme:
a clip for an endoscope includes a first clip piece, a second clip piece, a first connecting piece, and a second connecting piece. The first clamping piece is hinged to the second clamping piece, the first clamping piece is hinged to the first connecting piece, the second clamping piece is hinged to the second connecting piece, the first connecting piece is hinged to the second connecting piece, the first clamping piece and the second clamping piece are both provided with first matching portions, the first connecting piece and the second connecting piece are both provided with second matching portions, and when the clamp is closed, the first matching portions of the first clamping piece are locked with the second matching portions of the first connecting piece, and the first matching portions of the second clamping piece are locked with the second matching portions of the second connecting piece.
Further, in a preferred embodiment of the present invention, the first clip includes a chuck and an installation piece, the installation piece includes a first limiting piece and a second limiting piece, the end of the first limiting piece and the end of the second limiting piece are both connected with the chuck, the first limiting piece is provided with a first matching portion, the second limiting piece is hinged with the first connecting piece, and the first connecting piece is arranged between the first limiting piece and the second limiting piece.
Further, in a preferred embodiment of the present invention, the connecting piece includes a clamping piece and a connecting rod connected to an end of the clamping piece, the second limiting piece is provided with a connecting hole, the clamping piece is provided with a second matching portion, and the connecting rod is clamped in the connecting hole.
Further, in a preferred embodiment of the present invention, the first engaging portion is a card hole, and the second engaging portion is a spring card, and when the clip is closed, the spring card is clamped in the card hole.
In a further preferred embodiment of the present invention, the second limiting plate is further provided with a moving hole, the moving hole is located on a side, far away from the chuck, of the connecting hole, the moving shaft passes through the moving hole, the clamping plate is further provided with a fixing hole, the fixing shaft passes through the fixing hole, and the moving shaft is located on a side, far away from the chuck, of the fixing shaft.
Further, in a preferred embodiment of the present invention, the clip further includes a clip bracket and an elastically deformed pull rod, wherein both ends of the fixing shaft penetrate through the clip bracket to enable the mounting piece to be located in the clip bracket, the pull rod is located in the clip bracket, one end of the pull rod is detachably mounted on the moving shaft through the notch, and the other end extends in a direction away from the chuck.
Further, in a preferred embodiment of the present invention, the clip further includes a butt joint pipe and a spring pipe, wherein an end of the pull rod away from the moving shaft is connected with an end portion of the butt joint pipe, the spring pipe is connected with the clip bracket, the butt joint pipe is located in the spring pipe, an elastically deformed positioning member is further disposed at an end of the butt joint pipe close to the moving shaft, and the positioning member is detachably disposed at an end of the clip bracket away from the chuck.
Further, in a preferred embodiment of the present invention, two positioning holes are relatively provided at one end of the clip frame far away from the chuck, the positioning member includes a positioning ring and two positioning pieces disposed relatively, the positioning ring is sleeved outside the butt joint pipe, one end of each positioning piece is connected to the positioning ring, and the other end is detachably clamped in the positioning hole.
Further, in a preferred embodiment of the present invention, the clip further includes a spring fixing sleeve and a rotating sleeve, the rotating sleeve is rotatably connected between the clip bracket and the spring fixing sleeve, the positioning member is located in the rotating sleeve, two positioning openings are symmetrically formed in the rotating sleeve, one end of each positioning piece, which is far away from the positioning ring, sequentially passes through the positioning opening and the positioning hole, and one end of the spring fixing sleeve, which is far away from the rotating sleeve, is connected to the spring tube.
A clip device comprises an endoscope and the clip, wherein the endoscope is used for assisting the installation of the clip.
The clip for the endoscope and the clip device provided by the preferred embodiment of the invention have the beneficial effects that: the first clamping piece is hinged with the second clamping piece, the first clamping piece is hinged with the first connecting piece, the second clamping piece is hinged with the second connecting piece, and when the clamp is opened, the angle of the hinged position is larger, so that a larger opening angle exists between the first clamping piece and the second clamping piece; the first clamping piece and the second clamping piece are both provided with first matching parts, the first connecting piece and the second connecting piece are both provided with second matching parts, when the clamp is closed, the first matching parts of the first clamping piece are locked with the second matching parts of the first connecting piece, the first matching parts of the second clamping piece are locked with the second matching parts of the second connecting piece, so that the clamp forms a closed self-locking state, and the use effect is better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and that it is also possible for those skilled in the art to obtain other related drawings from these drawings without inventive effort.
FIG. 1 is a schematic view showing the structure of the opening of a clip according to embodiment 1 of the present invention;
FIG. 2 is a first mating schematic view of a first clamping piece and a first connecting piece of the clip according to embodiment 1 of the present invention;
FIG. 3 is a second schematic illustration of the first engaging piece and the first connecting piece of the clip according to embodiment 1 of the present invention;
FIG. 4 is a first schematic view of the first connecting piece of the clip according to embodiment 1 of the present invention;
fig. 5 is an enlarged view at v in fig. 1;
FIG. 6 is a second schematic view of a first connecting piece of a clip according to an embodiment of the present invention;
FIG. 7 is a schematic view showing the structure of the clip closure according to embodiment 1 of the present invention;
FIG. 8 is an enlarged view of the portion VII of FIG. 7;
fig. 9 is a schematic diagram of a clip pull rod detachment structure according to embodiment 1 of the present invention.
Icon: 100-a first clip; 200-a second clip; 300-a first connecting piece; 400-a second connecting piece; 510-a clip frame; 520-pull rod; 530-interfacing tube; 540-rotating the sleeve; 550-spring tube; 570-a spring fixing sleeve; 110-clamping heads; 120-mounting pieces; 121-a first limiting piece; 122-a second limiting piece; 123-moving the hole; 124-a movement axis; 125-connecting holes; 310-clamping piece; 320-connecting rods; 311-fixing holes; 312-a fixed shaft; 330-rotating shaft; 126-a first mating portion; 313-a second mating portion; 521-notch; 522-a first pull tab; 523-a second pull tab; 560-positioning piece; 561-positioning ring; 562-locating piece; 511-locating holes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as provided in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the invention.
It should be noted that: like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
Fig. 1 is a schematic view showing the structure of the opening of the clip according to the present embodiment. Referring to fig. 1, in the present embodiment, the clip for an endoscope includes a first clip 100, a second clip 200, a first connecting piece 300, a second connecting piece 400, a clip holder 510, a pull rod 520, a butt joint pipe 530, a rotating sleeve 540, a spring fixing sleeve 570 and a spring pipe 550, and the first clip 100 and the second clip 200 are used for clipping tissue.
The first clamping piece 100 and the second clamping piece 200 are hinged, the first clamping piece 100 and the second clamping piece 200 are arranged opposite to each other, the first clamping piece 100 and the second clamping piece 200 are opened and used for clamping tissues, the first clamping piece 100 and the second clamping piece 200 are closed, and tissue clamping is completed. The first clip 100 and the second clip 200 are identical in structure.
Fig. 2 is a first schematic mating view of the first clamping piece 100 and the first connecting piece 300 of the clip according to the present embodiment; fig. 3 is a second schematic mating diagram of the first clip piece 100 and the first connecting piece 300 of the clip according to the present embodiment. Referring to fig. 2 and 3 together, in the present embodiment, the first clip 100 includes a collet 110 and a mounting plate 120, the mounting plate 120 includes a first limiting plate 121 and a second limiting plate 122, the end of the first limiting plate 121 and the end of the second limiting plate 122 are both connected with the collet 110, the second limiting plate 122 is provided with a moving hole 123, the moving hole 123 is located at the end of the mounting plate 120 far away from the collet 110, and the moving shaft 124 passes through the moving hole 123.
Since the first and second jaws 100 and 200 have the same structure, the second jaw 200 is also provided with a moving hole 123, and the moving shaft 124 passes through the moving hole 123 of the first jaw 100 and the moving hole 123 of the second jaw 200, and the first and second jaws 100 and 200 are hinged together by the moving shaft 124.
Fig. 4 is a first schematic structural view of a first connecting piece 300 of the clip according to the present embodiment; fig. 5 is an enlarged view of v in fig. 1. Referring to fig. 2-5, in the present embodiment, the first connecting piece 300 is hinged to the second connecting piece 400, the first connecting piece 300 and the second connecting piece 400 are disposed opposite to each other, the first clip piece 100 is hinged to the first connecting piece 300, the second clip piece 200 is hinged to the second connecting piece 400, so that the first clip piece 100, the second clip piece 200, the first connecting piece 300 and the second connecting piece 400 are interconnected, and the first clip piece 100 and the second clip piece 200 of the clip can be changed from open to closed by rotating the first clip piece 100 and the second clip piece 200 relative to each other.
The second limiting piece 122 is hinged with the first connecting piece 300, the first connecting piece 300 is arranged between the first limiting piece 121 and the second limiting piece 122, the second limiting piece 122 is further provided with a connecting hole 125, the moving hole 123 is located at one side, far away from the clamping head 110, of the connecting hole 125, the first connecting piece 300 comprises a clamping piece 310 and a connecting rod 320 connected to the end portion of the clamping piece 310, and the connecting rod 320 is clamped in the connecting hole 125.
The clamping piece 310 is further provided with a fixing hole 311, the fixing shaft 312 passes through the fixing hole 311, and the moving shaft 124 is located at one side of the fixing shaft 312 away from the chuck 110. The first connection piece 300 and the second connection piece 400 have the same structure, so the second connection piece 400 is also provided with a fixing hole 311, the fixing shaft 312 passes through the fixing hole 311 of the first connection piece 300 and the fixing hole 311 of the second connection piece 400, the first connection piece 300 and the second connection piece 400 are hinged together by the fixing shaft 312, and simultaneously, the connecting rod 320 of the second connection piece 400 is clamped in the connecting hole 125 of the second card.
Similar embodiments may also be: fig. 6 is a first schematic structural view of a first connecting piece 300 of the clip according to the present embodiment. Referring to fig. 6, the first connection piece 300 includes a locking piece 310 and a rotation shaft 330 connected to the locking piece 310, and the rotation shaft 330 is rotatably disposed in the connection hole 125.
The first clip piece 100 and the second clip piece 200 are provided with a first mating portion 126, and the first connecting piece 300 and the second connecting piece 400 are provided with a second mating portion 313, and fig. 7 is a schematic diagram of a clip closing structure provided in this embodiment. Referring to fig. 7, when the clip is closed, the first engaging portion 126 of the first clip 100 is locked with the second engaging portion 313 of the first connecting piece 300, and the first engaging portion 126 of the second clip 200 is locked with the second engaging portion 313 of the second connecting piece 400, so that the clip forms a closed self-locking state, and the use effect is better.
Optionally, the first limiting piece 121 is provided with a first matching portion 126, and the clamping piece 310 is provided with a second matching portion 313, so that when the clip is closed, the first matching portion 126 of the first limiting piece 121 of the first clip 100 is matched with the second matching portion 313 of the clamping piece 310 of the first connecting piece 300 to form a closed self-locking state. Meanwhile, the first matching portion 126 of the first limiting piece 121 of the second clamping piece 200 is matched with the second matching portion 313 of the clamping piece 310 of the second connecting piece 400, so that a closed self-locking state is formed.
In this embodiment, the first matching portion 126 is a card hole, and the second matching portion 313 is a spring card, and when the clip is closed, the spring card is clamped in the card hole, so that the clip forms a closed self-locking state. Optionally, one end of the spring card, which is close to the card hole, is lower than one end of the spring card, which is far away from the card hole, when the spring card rotates in the direction of the card hole, one end of the spring card, which is close to the card hole, enters a gap between the first limiting piece 121 and the second limiting piece 122, and due to the extrusion action of the first limiting piece 121, the spring card is extruded in the direction of the second limiting piece 122, and due to the mutual rotation of the first clamping piece 100 and the first connecting piece 300, when the spring card rotates to the card hole, the extrusion action of the first limiting piece 121 is not needed, so that the spring card rebounds and is clamped into the card hole, and a closed self-locking state is formed.
Similar embodiments may also be: the first matching part 126 is a spring card, and the second matching part 313 is a card hole, so that the purpose of closing and self-locking can be achieved.
Fig. 8 is an enlarged view of vii in fig. 6. Referring to fig. 8, in the present embodiment, the pull rod 520 is an elastically deformed pull rod 520, one end of the pull rod 520 is detachably mounted on the moving shaft 124 through the notch 521, the other end extends in a direction away from the chuck 110, and a force is applied to the pull rod 520, so that the pull rod 520 pulls the moving shaft 124 to move in a direction away from the chuck 110 due to the fact that one end of the pull rod 520 is clamped on the moving shaft 124 through the notch 521, so that the first chuck 100 and the second chuck 200 rotate relatively, and gradually close, during the closing process, the connecting rod 320 of the first connecting piece 300 rotates in the connecting hole 125 of the first chuck 100, the connecting rod 320 of the second connecting piece 400 rotates in the connecting hole 125 of the second chuck 200, and the clamping piece 310 of the first connecting piece 300 and the clamping piece 310 of the second connecting piece 400 rotate relatively, so that the spring card on the first connecting piece 300 is clamped in the clamping hole of the first chuck 100, and the spring card on the second connecting piece 400 is clamped in the clamping hole of the second chuck 200, thereby forming a closed self-locking state.
Fig. 9 is a schematic view showing a structure of the clip according to the present embodiment, in which the pull rod 520 is disengaged. Referring to fig. 9, if an excessive force is applied to the pull rod 520, since the pull rod 520 is made of an elastically deformable material, which may be an elastically deformable metal, the moving shaft 124 is separated from the pull rod 520 at the notch 521, so that the pull rod 520 is separated from the moving shaft 124.
The pull rod 520 includes a first pull tab 522 and a second pull tab 523, where one end of the first pull tab 522 near the moving shaft 124 is provided with a notch 521, one end of the second pull tab 523 near the moving shaft 124 is also provided with a notch 521, and the first pull tab 522 and the second pull tab 523 are detachably mounted to two ends of the moving shaft 124 through the notch 521, so that the first limiting tab 121 and the second limiting tab 122 are located between the first pull tab 522 and the second pull tab 523. By providing the first pull tab 522 and the second pull tab 523, the force applied by the pull rod 520 to the movement shaft 124 is more uniform.
In this embodiment, the end of the pull rod 520 away from the moving shaft 124 is connected to an end of the docking tube 530, that is, the end of the first pull tab 522 away from the moving shaft 124 and the end of the second pull tab 523 away from the moving shaft 124 converge and then are connected to an end of the docking tube 530, and the clip is controlled to be closed by applying a force to the docking tube 530.
The clip support 510 is similarly cylindrical, that is, the clip support 510 has two ends, one end is close to the first clip 100 and the second clip 200, the other end is far away from the first clip 100 and the second clip 200, the positions far away from the first clip 100 and the second clip 200 form a circular ring structure, the positions near the first clip 100 and the second clip 200 form two opposite first openings and second openings, the mounting piece 120 of the first clip 100 passes through the first openings, and the mounting piece 120 of the second clip 200 passes through the second openings.
The both ends of fixed axle 312 pass clamping piece support 510 and make mounting piece 120 be located clamping piece support 510, and first opening and second opening are located the both sides of fixed axle 312, through the setting of clamping piece support 510 to install the both ends of fixed axle 312 on clamping piece support 510, make the atress of whole clip more even, the installation is more firm.
In this embodiment, the pull rod 520 is located in the clip frame 510, the spring tube 550 is connected to the clip frame 510, the butt-joint tube 530 is located in the spring tube 550, and an elastically deformed positioning member 560 is further disposed at an end of the butt-joint tube 530 near the moving axis 124, where the positioning member 560 is detachably disposed at an end of the clip frame 510 far away from the collet 110. When the clip is used, the clip holder 510 is connected with the butt joint pipe 530 through the positioning piece 560, the butt joint pipe 530 is connected with the movable shaft 124 through the pull rod 520, and when a large force is applied to the butt joint pipe 530, the pull rod 520 is separated from the movable shaft 124, the positioning piece 560 is separated from the clip holder 510, and the front end of the clip (i.e. the end containing the first clip 100, the second clip 200, the first connecting piece 300, the second connecting piece 400, the fixed shaft 312, the movable shaft 124 and the clip holder 510) is left in the body.
The clamping piece bracket 510 is provided with two positioning holes 511 relatively at one end far away from the clamping head 110, the positioning piece 560 comprises a positioning ring 561 and two positioning pieces 562 which are arranged relatively, the positioning ring 561 is sleeved at the end part of the pull rod 520 far away from the first clamping piece 100 and the second clamping piece 200, one end of each positioning piece 562 is connected with the positioning ring 561, and the other end of each positioning piece 562 is detachably clamped in the positioning hole 511. When no force is applied to the butt joint pipe 530, the positioning piece 562 is clamped in the positioning hole 511, the clamping piece 510 is fixed, and when a large force is applied, the positioning piece 562 is separated from the positioning hole 511, so that the clamping piece 510 is separated from the positioning piece 560.
The rotating sleeve 540 is rotatably connected between the clamping piece bracket 510 and the spring fixing sleeve 570, the positioning piece 560 is positioned in the rotating sleeve 540, two positioning openings are symmetrically formed in the rotating sleeve 540, and one end, far away from the positioning ring 561, of each positioning piece 562 sequentially penetrates through the positioning opening and the positioning hole 511. Rotation of the docking tube 530 drives the first clip 100 and the second clip 200 to rotate, thereby driving the rotation sleeve 540 to rotate, and making the use of the clip more flexible.
One end of the spring fixing sleeve 570, which is far away from the rotating sleeve 540, is connected to the spring tube 550, the spring fixing tube 570 is fixedly connected with the spring tube 550, and the other end of the spring fixing sleeve 570 is rotatably connected with the rotating sleeve 540. The rotation of the first clip 100 and the second clip 200 can drive the rotation sleeve 540 to rotate, so that the adjustment can be performed when the placement position of the clip is incorrect.
The clip may be a hemostatic clip, a biopsy suture, or other clip used in medical applications.
Example 2
The present embodiment also provides a clip device comprising an endoscope and the clip of the embodiment, the endoscope being used to assist in the mounting of the clip. That is, the clip passes through the forceps channel of the endoscope and enters the human body for use.
Referring to fig. 1 to 9, the clip device provided in this embodiment works as follows: the endoscope is installed, and the clip enters the human body through the forceps channel of the endoscope. The force applied to the butt joint pipe 530 causes the moving shaft 124 to move toward the direction away from the chuck 110 and approaching the butt joint pipe 530, so that the first clamping piece 100 and the second clamping piece 200 rotate each other, and gradually close, during the closing process, the connecting rod 320 of the first connecting piece 300 rotates in the connecting hole 125 of the first clamping piece 100, the connecting rod 320 of the second connecting piece 400 rotates in the connecting hole 125 of the second clamping piece 200, the clamping piece 310 of the first connecting piece 300 and the clamping piece 310 of the second connecting piece 400 rotate each other, so that the spring card of the clamping piece 310 of the first connecting piece 300 is clamped into the card hole of the first limiting piece 121 of the mounting piece 120 of the first clamping piece 100, and the spring card of the clamping piece 310 of the second connecting piece 400 is clamped into the card hole of the first limiting piece 121 of the mounting piece 120 of the second clamping piece 200, so as to form a closed self-locking state.
The force continues to be applied to elastically deform both the pull rod 520 and the positioning piece 562, the notch 521 of the first pull piece 522 and the notch 521 of the second pull piece 523 are separated from both ends of the moving shaft 124, and the two positioning pieces 562 are sequentially separated from the two positioning holes 511 of the clip frame 510 and the two positioning openings of the rotating sleeve 540, so that the first clip 100, the second clip 200, the first connecting piece 300, the second connecting piece 400, the fixed shaft 312, the moving shaft 124 and the clip frame 510 remain in the body, and the rotating sleeve 540, the pull rod 520, the positioning piece 560, the spring fixing tube 570 and the spring tube 550 are taken out from the endoscope grip.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The clip for the endoscope is characterized by comprising a first clamping piece, a second clamping piece, a first connecting piece and a second connecting piece, wherein the first clamping piece is hinged with the second clamping piece, the first clamping piece is hinged with the first connecting piece, the second clamping piece is hinged with the second connecting piece, the first connecting piece is hinged with the second connecting piece, the first clamping piece and the second clamping piece are respectively provided with a first matching part, the first connecting piece and the second connecting piece are respectively provided with a second matching part, when the clip is closed, the first matching part of the first clamping piece is locked with the second matching part of the first connecting piece, and the first matching part of the second clamping piece is locked with the second matching part of the second connecting piece;
the first clamping piece and the second clamping piece are identical in structure; the first clamping piece comprises a clamping head and a mounting piece, the mounting piece comprises a first limiting piece and a second limiting piece, the end part of the first limiting piece and the end part of the second limiting piece are connected with the clamping head, the first limiting piece is provided with a first matching part, the second limiting piece is hinged with the first connecting piece, and the first connecting piece is arranged between the first limiting piece and the second limiting piece;
the connecting piece comprises a clamping piece and a connecting rod connected to the end part of the clamping piece, the second limiting piece is provided with a connecting hole, the clamping piece is provided with a second matching part, and the connecting rod is clamped in the connecting hole;
the first matching part and the second matching part are matched to form a closed self-locking state.
2. The clip of claim 1, wherein the first mating portion is a card aperture and the second mating portion is a spring card that snaps into the card aperture when the clip is closed.
3. The clip of claim 2, wherein the second limiting piece is further provided with a moving hole, the moving hole is located on one side of the connecting hole away from the chuck, a moving shaft passes through the moving hole, the clamping piece is further provided with a fixing hole, a fixing shaft passes through the fixing hole, and the moving shaft is located on one side of the fixing shaft away from the chuck.
4. A clip according to claim 3, further comprising a clip holder and an elastically deformable pull rod, wherein both ends of the fixed shaft penetrate through the clip holder to position the mounting piece in the clip holder, the pull rod is positioned in the clip holder, one end of the pull rod is detachably mounted on the movable shaft through a notch, and the other end extends in a direction away from the chuck.
5. The clip of claim 4, further comprising a butt-joint tube and a spring tube, wherein an end of the pull rod away from the movement axis is connected to an end of the butt-joint tube, the spring tube is connected to the clip frame, the butt-joint tube is located in the spring tube, an end of the butt-joint tube near the movement axis is further provided with an elastically deformed positioning member, and the positioning member is detachably disposed at an end of the clip frame away from the clip head.
6. The clip of claim 5, wherein two positioning holes are formed in one end of the clip frame away from the clamping head, the positioning member comprises a positioning ring and two positioning sheets arranged oppositely, the positioning ring is sleeved outside the butt joint pipe, one end of each positioning sheet is connected with the positioning ring, and the other end of each positioning sheet is detachably clamped in the positioning hole.
7. The clip of claim 6, further comprising a spring retaining sleeve and a rotating sleeve, wherein the rotating sleeve is rotatably connected between the clip bracket and the spring retaining sleeve, the positioning member is positioned in the rotating sleeve, two positioning openings are symmetrically formed in the rotating sleeve, one end, far away from the positioning ring, of each positioning piece sequentially passes through the positioning opening and the positioning hole, and one end, far away from the rotating sleeve, of the spring retaining sleeve is connected to the spring tube.
8. A clip device comprising an endoscope and the clip of any one of claims 1-7, the endoscope being adapted to assist in the installation of the clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810314704.4A CN108420490B (en) | 2018-04-09 | 2018-04-09 | Clip and clip device for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810314704.4A CN108420490B (en) | 2018-04-09 | 2018-04-09 | Clip and clip device for endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108420490A CN108420490A (en) | 2018-08-21 |
| CN108420490B true CN108420490B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810314704.4A Active CN108420490B (en) | 2018-04-09 | 2018-04-09 | Clip and clip device for endoscope |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109480950B (en) * | 2018-12-27 | 2024-10-25 | 扬州发特利医疗器械科技有限公司 | Clip device for endoscope |
Citations (7)
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|---|---|
| CN108420490A (en) | 2018-08-21 |
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