CN208355513U - Apparatus for ligating and ligation apparatus - Google Patents
Apparatus for ligating and ligation apparatus Download PDFInfo
- Publication number
- CN208355513U CN208355513U CN201720706711.XU CN201720706711U CN208355513U CN 208355513 U CN208355513 U CN 208355513U CN 201720706711 U CN201720706711 U CN 201720706711U CN 208355513 U CN208355513 U CN 208355513U
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- lock
- clip
- latch portion
- cinch tube
- ligating
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Abstract
The utility model relates to provide a kind of apparatus for ligating and ligation apparatus.A kind of apparatus for ligating, it is characterized in that, including clip and cinch tube, for ligaturing, the cinch tube is equipped with receiving channel for the distal end of the clip, and the proximal end of the clip is docked with the receiving channel, the proximal end of the clip can pass in and out the cinch tube, the clip is equipped with latch portion, and the cinch tube is equipped with lock position, and the latch portion and the lock position cooperate；When the latch portion and the lock position lock, operating the latch portion can be such that the latch portion and the lock position unlocks；Alternatively, the clip is additionally provided with the solution lock section docked with the latch portion, operating the solution lock section can be such that the latch portion and the lock position unlocks.It can be reopened after apparatus for ligating ligation locking, and to the ligated no secondary injury of tissue.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of apparatus for ligating and ligation apparatus.
Background technique
Stomach, the enteron aisle of biology often lead to bleeding because damaging after various diseases or accidental injury or therapeutic endoscopy, for
Active hemorrhage generally carries out herbal sprinkling, high-frequency electrical, laser, argon gas calcination Hemostasis, hemostatic clamp handset tool hemostasis by compression
The methods of treated.Wherein hemostatic clamp handset tool hemostasis by compression active hemorrhage therapeutic effect for caused by Non-Variceal
It is more reliable, and also obtained the approval of doctor and patient；Hemostatic clamp can also carry out certain journey to gastral mucosa injury
The closure of degree promotes its wound healing.
After locking, locking relation lossless can not release traditional apparatus for ligating, can only be removed by violence damage
Method forces clamping section to be forcibly separating with tissue, will cause tissue secondary injury or bleeding again.
Application No. is the hemostatic clamps of " CN201520556321.X " before clip portion is closed and does not discharge, clip portion
It may be implemented to repeat to be opened and closed the functions such as rotation；But the clip portion of hemostatic clamp and tissue clamping and after being released, i.e. clip portion
Divide after being separated with transport portion, clip portion firmly clamps tissue；The clip portion of hemostatic clamp finds release position after being released
The release failure of improper or hemostatic clamp is set, if taking other instruments that clip is pullled it to by force from the tissue clamped
Get off, can damage or even expand the destruction that original wound face causes part bigger to the tissue of clamping tissue and surrounding；Such as
Fruit, which is not removed, influences whether haemostatic effect or subsequent endoscopic technic.
Utility model content
Based on this, the utility model lies in that overcome the deficiencies of existing technologies, a kind of apparatus for ligating and ligation apparatus, knot are provided
It can be reopened after bundling device ligation locking, and to the ligated no secondary injury of tissue.
Its technical solution is as follows:
A kind of apparatus for ligating, including clip and cinch tube, for ligaturing, the cinch tube is equipped with for the distal end of the clip
Receiving channel, the proximal end of the clip are docked with the receiving channel, and the clip is equipped with latch portion, and the cinch tube is equipped with lock
Button bit, the latch portion and the lock position cooperate；When the latch portion and the lock position lock, operating the latch portion can
So that the latch portion and the lock position unlock；Alternatively, the clip is additionally provided with the solution lock section docked with the latch portion, behaviour
Making the solution lock section can be such that the latch portion and the lock position unlocks.
The latch portion is elastic lock in one of the embodiments, when the elastic lock and the lock position are locked
Periodically, the elastic lock is flicked from inside to outside from the receiving channel and is locked with the lock position.
The clip includes two clamp arm in one of the embodiments, and the proximal end of two clamp arm is connected, and two
The proximal end of clamp arm surrounds lock ring, and the lock ring constitutes the latch portion；When the lock ring and the lock position lock,
The lock position is protruded into the two sides of the lock ring or the side of the lock ring.
The clamp arm is additionally provided with the solution lock section in one of the embodiments, and the solution lock section is located at the lock ring
Proximal end or distal end.
The clip has elastic arm in one of the embodiments, and the elastic arm is convex equipped with latching, and the lock is convex for institute
State latch portion.
The clip includes clamp arm in one of the embodiments, and the proximal end of the clamp arm itself constitutes the elastic arm.
The elastic arm is additionally provided with the solution lock section in one of the embodiments, and it is convex that the solution lock section is located at the lock
Proximal end or distal end.
The proximal end of the cinch tube constitutes the lock position, the latch portion and institute in one of the embodiments,
State the proximal end snap-lock of cinch tube；Alternatively, the inner wall of the receiving channel is equipped with, lock is recessed, and the recessed lock is described
Latch position, the latch portion protrude into the lock it is recessed in, the latch portion and the recessed snap-lock of the lock.
The side wall of the cinch tube is equipped with lock window in one of the embodiments, and the lock window constitutes the lock
Position, when the latch portion and the lock position lock, the latch portion protrudes into the lock window, can be with across the lock window
Operating the latch portion unlocks the latch portion from the lock window.
The near proximal ends of the cinch tube are the solution lock-bit in one of the embodiments, when the latch portion and institute
When stating the locking of lock position, the solution lock section is located at the outside of the receiving channel proximal end；Alternatively, the side wall of the cinch tube is equipped with
Window is unlocked, when the lock ring and lock position locking, the unlock window is corresponding with the solution lock section, passes through the unlock
Window, which can operate the solution lock section, unlocks the latch portion and the lock position.
In one of the embodiments, by the lock position can operate the latch portion make the latch portion with it is described
Latch position unlock；Alternatively, the cinch tube is equipped with solution lock-bit, can operate the solution lock section by the solution lock-bit makes the lock
Buckle and the lock position unlock.
The proximal end of the clip can be mobile relative to the cinch tube in one of the embodiments, when the clip phase
When being located at first position for the cinch tube, the distal end of the clip is opened, and the latch portion and the lock position are unlocked；
When the clip is located at the second position relative to the cinch tube, the distal end of the clip is closed, the latch portion with it is described
Latch position locking.
A kind of ligation apparatus, including delivery section and any one apparatus for ligating, the delivery section include sheath and core
Axis, the sheath are sheathed on outside the mandrel, and the clip is additionally provided with the first release portion, are stated mandrel and are passed through first release portion
It is docked with the clip, the relatively described cinch tube movement of the clip can be driven by operating the mandrel；Work as and pulls the mandrel
When reaching the first release conditions, first release portion separates the mandrel with the clip.
The utility model has the beneficial effects that:
1, apparatus for ligating includes clip and cinch tube, and for ligaturing, the cinch tube, which is equipped with, to be held for the distal end of the clip
Receive channel, the proximal end of the clip is docked with the receiving channel, and the proximal end of the clip can pass in and out the cinch tube, described
Clip is equipped with latch portion, and the cinch tube is equipped with lock position, and the latch portion and the lock position cooperate；The latch portion and institute
When stating the locking of lock position, operating the latch portion can be such that the latch portion and the lock position unlocks；Alternatively, the clip is also
Equipped with the solution lock section docked with the latch portion, operating the solution lock section can be such that the latch portion and the lock position unlocks.
When ligation, first open the distal end of clip, the tissue in ligation portion clamped with the distal end of clip, then make clip to
Proximal end movement makes latch portion and the locking of lock position, at this point, position of the clip in cinch tube is locked, clip cannot be from receiving
The distal end in channel is deviate from, and clip is kept closed, and guarantees that ligation is not unclamped.
After ligation, ligated tissue is discharged if necessary to open clip, operates latch portion or solution lock section (unlock
Portion and latch portion link, and operation solution lock section can drive latch portion to unlock), make latch portion and the unlock of lock position, at this time clip with
Cinch tube unlock, latch portion re-enter into receiving channel, and clip can be moved to first position from the second position, clip
Distal end reopens, and unclamps ligated tissue.During unclamping ligated tissue, ligated tissue is only to be pressed from both sides
Son unclamps, and the not effect by other power will not cause secondary injury to tissue.
2, the latch portion is elastic lock, when the elastic lock and lock position locking, the elastic lock
It flicks from the receiving channel and is locked with the lock position from inside to outside.
When ligation, first open the distal end of clip, the tissue in ligation portion clamped with the distal end of clip, then make clip to
Proximal end movement, using the cooperation of latch portion and the receiving channel of cinch tube, when clip moves to appropriate location, latch portion is automatic
It flicks and is locked with lock position outward, at this point, position of the clip in cinch tube is locked, clip cannot be from the remote of receiving channel
End abjection, clip are kept closed, and guarantee that ligation is not unclamped.
After ligation, ligated tissue is discharged if necessary to open clip, presses inward against latch portion or solution lock section (solution
Lock section and latch portion link, and being unlocked by pressing portion can drive latch portion to unlock), deviate from latch portion from lock position, makes to latch
Portion and the unlock of lock position, clip and cinch tube unlock at this time, and latch portion, which is pressed, to be re-entered into receiving channel, and clip can be with
Mobile from locked position to distal end, the distal end of clip reopens, and unclamps ligated tissue.Unclamping ligated tissue
During, ligated tissue is only to be unclamped by clip, and the not effect by other power will not cause two to tissue
Secondary injury.
" proximal end " described herein, " distal end " are, as reference, to operate on central axes in the line where receiving channel central axes
Personnel's direction is " proximal end ", and ligated tissue direction is " distal end " on central axes.But occur in carry over completely
Line where axis can also have certain angle.
Latch portion described herein is " outside " to open, " inside " extruding latch portion, refers to separate receiving channel central axes outward
Direction, inwardly refer to direction close to receiving channel central axes.
As long as the elasticity of latch portion described herein, which refers to meet, can automatically spring open the function for making latch portion and latching position locking
Energy, elastic material must be used by not limiting.As needed, elastic material or non-elastic material system can be used in latch portion
Make, latch portion can be integral production with clip or be connected to together after being fabricated separately latch portion and clip.
3, the clip includes two clamp arm, and the proximal end of two clamp arm is connected, and the proximal end of two clamp arm surrounds lock
Retaining ring, the lock ring constitute the latch portion；When the lock ring and the lock position lock, the two sides of the lock ring
Or the side of the lock ring is protruded into and the lock position.
Wherein, the proximal end of cinch tube constitutes lock position, and when the distal end of clip is opened, lock ring is compressed in receiving
In channel；When clip, lock ring is at least partially disposed at outside receiving channel, and the width for latching ring is greater than the width of receiving channel
Degree, for lock ring against the proximal end of cinch tube, the proximal end that lock ring is received channel, which is blocked, not can enter receiving channel,
At this point, the positional relationship of clip and cinch tube is locked, clip keeps ligation not open；On this basis, it is clamped when inside
When latching ring, the width for latching ring is less than the width of receiving channel, lock ring and the unlock of lock position, and clip can unclamp ligated
Tissue；Ring will be latched using the proximal end of cinch tube to lock, structure is simple.
Alternatively, the side wall of cinch tube is equipped with lock window, lock window constitutes lock position, when the distal end of clip is opened, lock
Ring is compressed in receiving channel；When clip, lock ring be caught in lock window in, on this basis, when from lock window to
When interior pressing lock retaining ring, lock ring is detached from from lock window.Lock window provides operable window, can squeeze lock from lock window
Retaining ring unlock.Latching window can be one or more.Preferably, lock window is two, respectively corresponds the two sides of lock ring,
The two sides of lock ring are caught in lock window.The side of lock ring can stretch out lock and stretch out lock outside window or not outside window.
Preferably, clamp arm is additionally provided with solution lock section, and solution lock section is located at the proximal end or distal end of lock ring.When solution lock section is located at lock
When the proximal end of ring, solution lock section is also possible to annular.When solution lock section is located at the distal end of lock ring, can be opened in the side wall of cinch tube
If unlock window, unlock window can solution lock section it is corresponding, can be with being unlocked by pressing portion by unlock window.
4, clip includes elastic arm, and elastic arm is convex equipped with latching, and latching convex is latch portion.
Wherein, the proximal end of cinch tube constitutes lock position, and when clip is located at the second position, lock is convex to outer by elastic arm
It flicks, lock is convex when inwardly cramping lock is convex, to be latched convex from the disengaging of lock position on this basis with the locking of lock position；It utilizes
Lock is convex to outer flick by elastic arm makes to latch convex and lock position locking, and directly using the end of cinch tube proximal end as lock
Position, structure are simple.
Alternatively, the side wall of cinch tube is equipped with lock window, lock window constitutes lock position, when clip is located at the second position, bullet
Arm by lock be convex to it is outer flick, lock protrudes into lock window, on this basis, when from lock window press inward against lock it is convex when, lock
It detains convex from lock window disengaging.Lock window provides operating space to release the convex locking relation with lock position of lock, so that ligation
It can unlock, and unlock ligation to cause secondary injury to ligated claw.Latching convex to be one or more,
Latching window can be one or more.
5, preferred, clip includes clamp arm, and proximal end of clamp arm itself constitutes elastic arm.Elastic arm is constituted using clip itself, is tied
Structure is simple, easy to make.
Preferably, clamp arm is additionally provided with solution lock section, and solution lock section, which is located at, latches convex proximal end or distal end, being unlocked by pressing portion
Drive lock tab linkage.
6, preferred, clip includes two clamp arm, and clip further includes connecting pin, and clamp arm is equipped with connecting hole, and connecting pin is worn
In connecting hole, when clip is located at the second position, clamp arm, which slides in and out to flick along connecting pin, makes to latch convex and lock position locking.
When organizational composition ligation is clamped in the distal end of clamp arm, the proximal end of clamp arm is snapped position locking, and structure is simple.
7, the side wall of cinch tube is equipped with lock window, and lock window constitutes lock position, and when clip is locked, lock protrudes into lock
Detain window, when from lock window press inward against lock it is convex when, latch it is convex from lock window be detached from.Opening up lock window can be to avoid cinch tube pair
Latch portion is blocked, and unlocking clamp or unlocking sleeve or other tools, which can pass through lock window pressing latch portion, makes latch portion and lock
Button bit unlock, latch portion itself is equivalent to solution lock section at this time.
8, the near proximal ends of the cinch tube are the solution lock-bit, and when the clip is locked, the solution lock section is located at
The outside of the receiving channel proximal end, is equivalent to solution lock section and is directly exposed to outside receiving channel, can directly operate solution lock section unlock.
The side wall of cinch tube be equipped with unlock window, when clip is locked, unlock window it is corresponding with solution lock section, when from unlock window to
When interior being unlocked by pressing portion, latch portion and the unlock of lock position.Solution lock section can be blocked to avoid cinch tube by opening up unlock window, be unlocked
Pincers or unlocking sleeve or other tools, which can pass through unlock window being unlocked by pressing portion, makes latch portion and the unlock of lock position.
9, a kind of ligation apparatus, including delivery section, apparatus for ligating.Delivery section includes sheath and mandrel, and sheath is sheathed on core
Outside axis, apparatus for ligating or delivery section are additionally provided with the first release portion, and the mandrel is docked by the first release portion with the clip,
Operation mandrel can drive clip to move relative to cinch tube；
Cooperate endoscope, apparatus for ligating is delivered in human body using delivery section, proximally pulls mandrel that can drive folder
Sub- proximal movement pushes mandrel that can drive clip distal movement to distal end, and first position is located at the distal end of the second position
Direction.Operation mandrel makes clip be located at first position, and clip distal end is opened, and mandrel is proximally pulled, and clip proximal movement is received
Tight pipe compressing clip is closed clip, and clip ligatures clamp tissue, when clip moves to the second position, latch portion portion and lock
Button bit locking, clip maintain ligation state.
Wherein, when pulling mandrel to reach the first release conditions, the first release portion separates mandrel with clip for institute.
Preferably, apparatus for ligating or delivery section are additionally provided with the second release portion, and sheath passes through the second release portion and cinch tube
Docking,
When pulling mandrel to reach the second release conditions, the second release portion separates sheath with cinch tube.It can be according to need
Clip is selected wherein to meet the first release conditions, the second release conditions, the first release conditions, the second release conditions and first
Position, the second position can be relevant or be associated with, and can according to need selection.
After mandrel is separated with clip, sheath is separated with cinch tube, apparatus for ligating is detained in human body the ligation state that maintains, and adopts
With apparatus for ligating structure in the utility model, inwardly squeezing latch portion portion at this time makes latch portion portion and the unlock of lock position, so that it may pine
Clip is opened, ligation is released, tissue is released without secondary injury.Alternatively, ligatured in clip, but mandrel and clip are not
Under separation or sheath and the unsegregated situation of cinch tube, as needed, latch portion and the unlock of lock position can be unclamped into folder
Son.
Above-mentioned first position is located at the distal end of the second position, can choose as needed position appropriate be first position,
The second position, first position, the second position can be any position of apparatus for ligating.
Detailed description of the invention
Fig. 1 is the overall structure figure of one ligation apparatus of the utility model embodiment；
Fig. 2 is the cross-sectional view of one apparatus for ligating of the utility model embodiment and delivery section；
Fig. 3 is the schematic diagram one of the ligation locking of the utility model embodiment one；
Fig. 4 is A-A cross-sectional view in Fig. 3；
Fig. 5 is the schematic diagram unlocked in the utility model embodiment one；
Fig. 6 is the schematic diagram of cinch tube in the utility model embodiment one；
Fig. 7 is the schematic diagram two that locking is ligatured in the utility model embodiment one；
Fig. 8 is the step of the utility model embodiment one is unlocked using unlocking sleeve one；
Fig. 9 is the step of the utility model embodiment one is unlocked using unlocking sleeve two；
Figure 10 is the structure chart one that the utility model embodiment one is unlocked using unlocking sleeve；
Figure 11 is the structure chart two that the utility model embodiment one is unlocked using unlocking sleeve；
Figure 12 is the structure chart of U-shaped part in the utility model embodiment one；
Figure 13 is the schematic diagram in the first release portion in the utility model embodiment one；
Figure 14 is the schematic diagram of clamp arm in the utility model embodiment one；
Figure 15 is the schematic diagram that the utility model embodiment two unlocks；
Figure 16 is the structure chart of cinch tube in the utility model embodiment two；
Figure 17 is the structure chart of clamp arm in the utility model embodiment three；
Figure 18 is the structure chart that locking is ligatured in the utility model embodiment three；
Figure 19 is the cross-sectional view that locking is ligatured in the utility model embodiment three；
Figure 20 is the schematic diagram that the utility model embodiment three unlocks；
Figure 21 is the structure chart of the ligation locking of the utility model embodiment four；
Figure 22 is the schematic diagram of the ligation locking of the utility model embodiment four；
Figure 23 is the schematic diagram that the utility model embodiment four unlocks；
Figure 24 is the schematic diagram of the ligation locking of the utility model embodiment five；
Figure 25 is the schematic diagram that the utility model embodiment five unlocks.
Description of symbols:
100, apparatus for ligating, 110, clip, 111, clamp arm, 112, latch portion, 113, connecting pin, the 114, first releasing piece,
115, connecting hole, 116, hook, 120, cinch tube, 121, U-shaped part, 122, lock position, 123, blocked hole, 124, clamping portion,
125, receiving channel, 140, solution lock section, 150, unlock window, 200, delivery section, 210, sheath, 220, mandrel, 300, control unit,
400, it organizes, 510, snare, 520, tightening device, 610, tong arm, 620, closing device.
Specific embodiment
The utility model is described in further detail below, however, the embodiments of the present invention are not limited thereto.
Embodiment one
As shown in Figure 1, ligation apparatus includes apparatus for ligating 100, delivery section 200, control unit 300.Delivery section 200 includes sheath
Pipe 210 and mandrel 220, sheath 210 are sheathed on outside mandrel 220, and control unit 300 is docked with mandrel 220, sheath 210, operation control
Portion 300 can control mandrel 220 relative to sheath 210 proximally or distal movement.Apparatus for ligating 100 includes clip 110, tightening
Pipe 120.Clip 110 is additionally provided with the first release portion, and cinch tube 120 is additionally provided with the second release portion, and mandrel 220 passes through the first release portion
It is docked with clip 110, sheath 210 is docked by the second release portion with cinch tube 120, and operation mandrel 220 can drive clip 110
Positioned at first position or the second position；When pull mandrel 220 reach the first release conditions when, the first release portion by mandrel 220 with
Clip 110 separates；When pulling mandrel 220 to reach the second release conditions, the second release portion divides sheath 210 and cinch tube 120
From.
As shown in Fig. 2 to 5, clip 110 includes two clamp arm 111, connecting pin 113, and as shown in figure 14, clamp arm 111 is set
There is connecting hole 115, connecting pin 113 is arranged in connecting hole 115.First release portion includes two the first releasing pieces 114, such as Figure 13
Shown, the proximal end of the first releasing piece 114 is connect with mandrel 220, and the distal end of the first releasing piece 114 is deformable or fracture hook
116, hook 116 catches on connecting pin 113.In the present embodiment, when pulling mandrel 220 to reach the first release conditions, the first release
Portion, which separates mandrel 220 with clip 110, to be referred to: being pulled mandrel 220 to make the fracture or deformation of the first releasing piece 114, is made first
Releasing piece 114 and mandrel 220 are detached from；But it is not limited to the present embodiment, the first release portion can also use other structures, cooperate simultaneously
Corresponding first release conditions.
As shown in Fig. 1,6,7, the side wall of cinch tube 120 is equipped with blocked hole 123, and the distal end of sheath 210 is equipped with and blocked hole
123 corresponding apertures, the second release portion are U-shaped part 121, and as shown in figure 12, the both ends of U-shaped part 121 are respectively provided with a clamping portion
124, clamping portion 124 passes through the aperture of blocked hole 123 and sheath 210, and sheath 210 and cinch tube 120 are linked together.This
In embodiment, when pulling mandrel 220 to reach the second release conditions, the second release portion, which separates sheath 210 with cinch tube 120, is
Refer to: due to the internal diameter restrictions of receiving channel 125, when 220 proximal movement of mandrel is to certain position, mandrel 220 or mandrel
The other structures connected on 220 can be blocked by U-shaped part 121, continue proximally pull mandrel 220, just will drive U-shaped part 121 to
Proximal end movement, deviate from 121 proximal movement of U-shaped part, clamping portion 124 or from blocked hole 123 and aperture, sheath 210 with
Cinch tube 120 separates；But it is not limited to the present embodiment, the second release portion can also use other structures, while cooperate corresponding the
Two release conditions.
As shown in figure 14, clip 110 includes two clamp arm 111, and the proximal end of clamp arm 111 itself constitutes elastic arm.Elastic arm is equipped with
Latch portion 112, latch portion 112 are that lock is convex.When clip 110 is located at the second position, clamp arm 111 slides in and out along connecting pin 113
Flicking locks latch portion 112 and lock position 122.
The side wall of cinch tube 120 is equipped with lock window, and lock window constitutes lock position 122, when clip 110 is located at the second position
When, latch portion 112 protrudes into lock position 122, and when pressing inward against latch portion 112 from lock position 122, latch portion 112 can be from lock
Button bit 122 is detached from, so that clip 110 be made to unlock.
When ligation, clip 110 is made to be located at first position first, as shown in Figure 1, the distal end of clip 110 is opened, uses clip
The tissue 400 in ligation portion is clamped in 110 distal end, then makes 110 proximal movement of clip, utilizes latch portion and cinch tube 120
The cooperation of receiving channel 125, when clip 110 moves to the second position from first position, the proximal end of clamp arm 111 outside bullet automatically
It opens, latch portion 112 and lock position 122 lock, as shown in Figures 2 to 4.During pulling mandrel, mandrel 220 with clip
110 release connection, sheath 210 and cinch tube 120 release and connect (be not limited to the present embodiment, in other embodiments, can also be with
It is that mandrel 220 keeps connection or sheath 210 and cinch tube 120 to keep connecting with clip 110).Clip 110 is being tightened
Position in pipe 120 is locked, and clip 110 cannot be deviate from from the distal end of receiving channel 125, and clip 110 is kept closed, and protects
Card ligation is not unclamped.After clip 110 clamps the ligation locking of tissue 400, tissue 400 has the power for opening clip 110, to make to press from both sides
Son 110 from the trend mobile to distal end from the second position, the locking of latch portion 112 and lock position 122 prevent clip 110 to
Distal movement, to guarantee clip 110 always in ligation state.
After ligation, ligated tissue 400 is discharged if necessary to open clip 110, then needs to press inward against latch portion
112, as shown in Fig. 5,8 to 11, deviate from latch portion from lock position 122, unlocks latch portion and lock position 122, press from both sides at this time
Son 110 is unlocked with cinch tube 120, and latch portion, which is pressed, to be re-entered into receiving channel 125, and clip 110 can be from second
It sets and is moved to first position, the distal end of clip 110 reopens, and unclamps ligated tissue 400.Unclamping ligated tissue
During 400, ligated tissue 400 is only to be unclamped by clip 110, and the not effect by other power will not be right
Tissue 400 causes secondary injury.It is that clip 110 is unlocked using unlocking sleeve shown in Fig. 8 to 11.Unlocking sleeve includes snare
510 and the tightening device 520 that is docked with snare 510, snare 510 and latch portion 112 cooperate, snare 510 is arranged by when unlock
In outside lock position 122, as shown in Fig. 8,10, operation tightening device 520 tightens snare 510, and the internal diameter of snare 510 reduces, snare
510, which pass through lock position 122, which inwardly squeezes latch portion 112, unlocks latch portion 112 and lock position 122, as shown in Fig. 9,11.
In the present embodiment, snare 510 is directly protruding into lock window (lock position 122) and can unlock, and does not need setting in addition
Solution lock section, solution lock-bit or unlock window, but be not excluded for being arranged other solution lock section, solution lock-bit or the scheme for unlocking window.
Embodiment two
Embodiment two and the difference of embodiment one are:
As shown in Figure 15,16, the end of the proximal end of cinch tube 120 and nearby composition lock position 122, latch portion 112 and receipts
The proximal end snapping of tight pipe 120.In this way, latch portion 112 is directly exposed to outside, lock can be directly pressed inward against with unlocking clamp
Portion 112 unlocks latch portion 112 and lock position 122.
Unlocking clamp is as shown in figure 15, and unlocking clamp includes tong arm 610 and the closing device docked with tong arm 610 620, pincers
Arm 610 and latch portion cooperate.When unlock, unlocking clamp is sheathed on outside latch portion 112, operation closing device 620 is closed tong arm
610, so that tong arm 610 is inwardly squeezed latch portion 112, unlocks latch portion 112 and lock position 122.
Embodiment three
Embodiment three and the difference of embodiment two are:
As shown in figure 17, the proximal end of clamp arm 111 is equipped with solution lock section 140, and solution lock section 140 is located at the proximal end of latch portion 112.
When clip 110, which ligatures, to be locked, as shown in Figure 18,19, solution lock section 140 is located at outside receiving channel, and solution lock section 140 is directly exposed to
Outside, latch portion 112 and lock position 122 can be unlocked by pressing inward against solution lock section 140.It is as shown in figure 20 when unlock, use unlock
Pincers press inward against solution lock section 140, and solution lock section 140 drives latch portion 112 inwardly to move, and latch portion 112 is deviate from from lock position 122
Unlock.
Example IV
The difference of example IV and embodiment one is:
As shown in figure 21, the proximal end of clamp arm 111 is equipped with solution lock section 140, and solution lock section 140 is located at the distal end of latch portion 112.
The side wall of cinch tube 120 offers unlock window 150, after the ligation locking of clip 110, as shown in Figure 22, and unlock window 150 and unlock
Portion 140 is corresponding.It can be with being unlocked by pressing portion 140 by unlock window 150.
As shown in figure 21, it is lock position 122 that it is recessed, which to be equipped with lock, for the inner wall of receiving channel 125, latches recessed (lock position 122) and sets
There is recess portion that can detain latch portion 112 to tangle, be not limited to the stepped form of Figure 22, groove can also be used, blind hole, led to
Hole or other structures.When clip 110, which ligatures, to be locked, latch portion 112 and recessed (lock position 122) the mutually button padlock of lock are fixed.
As shown in figure 22, to unlock using unlocking clamp, unlocking clamp is passed through into unlock 150 being unlocked by pressing portion 140 of window, solution lock section
140 drive latch portion 112 to deviate from unlock from lock position 122.
Embodiment five
Embodiment five and the difference of embodiment one are:
As shown in Figure 24,25, the proximal end of two clamp arm 111 is connected, and the proximal end of two clamp arm 111 surrounds lock ring, lock
Retaining ring constitutes latch portion 112；When clip 110 is located at the second position, latch ring (latch portion 112) two sides or latch ring one
Lock position 122 is protruded into side, and lock ring (latch portion 112) and lock position 122 lock.
The proximal end of cinch tube 120 and nearby composition lock position 122, when clip 110 is located at first position, lock ring
It is compressed in receiving channel 125, the distal end of clip 110 is opened；When clip 110 is located at the second position, ring (latch portion is latched
112) it is at least partially disposed at outside receiving channel 125, the width K1 of lock ring (latch portion 112) is greater than the width of receiving channel 125
H, for lock ring against the proximal end of cinch tube 120, the proximal end that lock ring is received channel 125, which is blocked, not can enter receiving
Channel 125, at this point, the positional relationship of clip 110 and cinch tube 120 is locked, clip 110 keeps ligation not open.Unlock
When, lock ring is inwardly clamped, the width of lock ring (latch portion 112) is reduced to K2, latches the width of ring (latch portion 112) at this time
The width H that K2 is less than receiving channel 125 is spent, lock ring (latch portion 112) and lock position 122 unlock, and latch ring (latch portion
112) it can reenter in receiving channel 125, clip 110 can unclamp ligated tissue 400；Utilize cinch tube 120
Proximal end will latch ring locking, and structure is simple.Clip 110 clamps tissue 400, and tissue 400 has the power for opening clip 110,
To make clip 110 from the trend mobile to distal end from the second position, 120 end stuck lock retaining ring (latch portion 112) of cinch tube
Prevent clip 110 is from distal movement, to guarantee clip 110 always in ligation state.
It is not limited to the present embodiment, the side wall for being also possible to cinch tube 120 is equipped with lock window, and lock window constitutes lock position
122, when clip 110 is located at first position, lock ring is compressed in receiving channel 125, and the distal end of clip 110 is opened；When
When clip 110 is located at the second position, lock ring be caught in lock window in, on this basis, when from lock window press inward against lock ring
When, lock ring is detached from from lock window.Lock window provide can action pane, can from lock window squeeze lock ring unlock.Lock
Window can be one or more.Preferably, lock window is two, respectively corresponds the two sides of lock ring, latches the two sides of ring
Face is caught in lock window.The side of lock ring can stretch out lock and stretch out lock outside window or not outside window.
In each claim and each embodiment, identical two apparatus for ligating can be mutually another as unlocking clamp
Unlock；In each claim and each embodiment, any apparatus for ligating can unlock for another apparatus for ligating.At this point,
The clamp arm of apparatus for ligating is equivalent to the tong arm of unlocking clamp.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (14)
1. a kind of apparatus for ligating, which is characterized in that including clip and cinch tube, the distal end of the clip is described for ligaturing
Cinch tube is equipped with receiving channel, and the proximal end of the clip is docked with the receiving channel, and the clip is equipped with latch portion, the receipts
Tight pipe is equipped with lock position, and the latch portion and the lock position cooperate；
When the latch portion and the lock position lock, operating the latch portion can be such that the latch portion and the lock position solves
Lock；Alternatively, the clip is additionally provided with the solution lock section docked with the latch portion, the latch portion can be made by operating the solution lock section
It is unlocked with the lock position.
2. apparatus for ligating according to claim 1, which is characterized in that the latch portion is elastic lock, when the elasticity
When lock is locked with the lock position, the elastic lock is flicked from inside to outside from the receiving channel and is locked with the lock position.
3. apparatus for ligating according to claim 1, which is characterized in that the clip includes two clamp arm, two folders
The proximal end of arm is connected, and the proximal end of two clamp arm surrounds lock ring, and the lock ring constitutes the latch portion；
When the lock ring and the lock position lock, the side of the two sides of the lock ring or the lock ring is protruded into described
Latch position.
4. apparatus for ligating according to claim 3, which is characterized in that the clamp arm is additionally provided with the solution lock section, the solution
Lock section is located at the proximal end or distal end of the lock ring.
5. apparatus for ligating according to claim 1, which is characterized in that the clip has elastic arm, and the elastic arm is equipped with lock
Detain it is convex, it is described lock it is convex be the latch portion.
6. apparatus for ligating according to claim 5, which is characterized in that the clip includes clamp arm, the proximal end of the clamp arm
Itself constitutes the elastic arm.
7. apparatus for ligating according to claim 5, which is characterized in that the elastic arm is additionally provided with the solution lock section, the solution
Lock section is located at the convex proximal end or distal end of the lock.
8. apparatus for ligating according to any one of claims 1 to 7, which is characterized in that the proximal end structure of the cinch tube
At the lock position, the proximal end snap-lock of the latch portion and the cinch tube；
Alternatively, the inner wall of the receiving channel is equipped with, lock is recessed, and the recessed lock is the lock position, and the latch portion protrudes into institute
It is recessed interior to state lock, the latch portion and the recessed snap-lock of lock.
9. apparatus for ligating according to any one of claims 1 to 7, which is characterized in that the side wall of the cinch tube is equipped with lock
Window is detained, the lock window constitutes the lock position, and when the latch portion and lock position locking, the latch portion protrudes into institute
Lock window is stated, can operate the latch portion across the lock window unlocks the latch portion from the lock window.
10. apparatus for ligating according to any one of claims 1 to 7, which is characterized in that the near proximal ends of the cinch tube are
Lock-bit is solved, when the latch portion and lock position locking, the solution lock section is located at the outside of the receiving channel proximal end.
11. according to the described in any item apparatus for ligating of claim 3 to 7, which is characterized in that the side wall of the cinch tube is equipped with solution
Window is locked, when the lock ring and lock position locking, the unlock window is corresponding with the solution lock section, passes through the unlock window
The solution lock section, which can be operated, unlocks the latch portion and the lock position.
12. apparatus for ligating according to any one of claims 1 to 7, which is characterized in that can be operated by the lock position
The latch portion unlocks the latch portion and the lock position；Alternatively, the cinch tube is equipped with solution lock-bit, pass through the unlock
Position, which can operate the solution lock section, unlocks the latch portion and the lock position.
13. apparatus for ligating according to any one of claims 1 to 7, which is characterized in that the proximal end of the clip can be opposite
The cinch tube is mobile, and when the clip is located at first position relative to the cinch tube, the distal end of the clip is opened, institute
It states latch portion and the lock position is unlocked；When the clip is located at the second position relative to the cinch tube, the clip
Distal end closure, the latch portion and the lock position locking.
14. a kind of ligation apparatus, which is characterized in that including any one of delivery section and claim 1 to 12 the ligation dress
It sets, the delivery section includes sheath and mandrel, and the sheath is sheathed on outside the mandrel, the apparatus for ligating or the conveying
Portion is additionally provided with the first release portion, and the mandrel is docked by first release portion with the clip, and operating the mandrel can band
Move the relatively described cinch tube movement of the clip；
When pulling the mandrel to reach the first release conditions, first release portion separates the mandrel with the clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706711.XU CN208355513U (en) | 2017-06-16 | 2017-06-16 | Apparatus for ligating and ligation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706711.XU CN208355513U (en) | 2017-06-16 | 2017-06-16 | Apparatus for ligating and ligation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208355513U true CN208355513U (en) | 2019-01-11 |
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ID=64912586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720706711.XU Active CN208355513U (en) | 2017-06-16 | 2017-06-16 | Apparatus for ligating and ligation apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN208355513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037756A (en) * | 2019-04-30 | 2019-07-23 | 安瑞医疗器械(杭州)有限公司 | A kind of anchoring folder with connecting component |
| WO2022152187A1 (en) * | 2021-01-13 | 2022-07-21 | 杭州安杰思医学科技股份有限公司 | Clip device, clip instrument, and clip unlocking method |
-
2017
- 2017-06-16 CN CN201720706711.XU patent/CN208355513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037756A (en) * | 2019-04-30 | 2019-07-23 | 安瑞医疗器械(杭州)有限公司 | A kind of anchoring folder with connecting component |
| WO2022152187A1 (en) * | 2021-01-13 | 2022-07-21 | 杭州安杰思医学科技股份有限公司 | Clip device, clip instrument, and clip unlocking method |
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| CP03 | Change of name, title or address |
Address after: 311100 Building 597 Kangxin Road, Yuhang District, Hangzhou City, Zhejiang Province, 5 and 6 (except Room 103 and 202) Patentee after: Hangzhou Anjisi Medical Science and Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 311106 Xinlu Kang Yuhang District of Yuhang economic and Technological Development Zone No. 597 building 6 Patentee before: Hangzhou AGS Medical Technology Co., Ltd. |