CN207055519U - A kind of rotatable hemostatic clamp - Google Patents
A kind of rotatable hemostatic clamp Download PDFInfo
- Publication number
- CN207055519U CN207055519U CN201621395549.6U CN201621395549U CN207055519U CN 207055519 U CN207055519 U CN 207055519U CN 201621395549 U CN201621395549 U CN 201621395549U CN 207055519 U CN207055519 U CN 207055519U
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- intermediate plate
- chuck frame
- rotatably connected
- hemostatic clamp
- distal end
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Abstract
The utility model discloses rotatable hemostatic clamp, it includes handle, delivery sheath, it is driven cable, distal end clamp part and it is rotatably connected sleeve, the one end for being rotatably connected sleeve can be disconnected with distal end clamp part, and the other end is connected with delivery sheath, makes distal end clamp part can unitary rotation relative to delivery sheath.The front end of this rotatable hemostatic clamp, which can rotate, can carry out multidirectional operation, greatly improve the convenience in actual mechanical process.Furthermore the reliability of hemostatic clamp clamp position is effectively ensured by setting up corresponding self-locking mechanism in the hemostatic clamp.
Description
Technical field
The utility model belongs to technical field of medical instruments, and in particular to uses hemostatic clamp under scope.
Background technology
It is a kind of relatively effective method that hemostasis operation is carried out under scope, can be according to specific because can see lesion
Situation uses different Hemostasis, wherein, hemostatic clamp hemostasis is more conventional one kind.Its principle is the machine using clip
Tool power is acted on, and tissue wounds or blood vessel are clamped, make vessel sealing, play anastalsis, after a few days, wound healing, and chuck
Come off, excreted along alimentary canal.
The mechanical hemostasis of Endoscope hemostasis folder only causes the minimal damage of wound circumference mucous membrane, can directly press from both sides and close naked eyes
Visible hemorrhagic blood vessel and focus, be particularly suitable for use in parteriole Rupture haemorrhag.
Although soft tissue can be clamped at that time with hemostatic clamp under the scope commonly used on the market at present, sometimes because dynamics
Deficiency, clip is caused to come off;Opening is not big enough, can not rotate, cause to clamp inconvenience etc.;And the clip commonly used on the market is being drawn
During de-, often coming off along with fine metal parts, can excrete although these parts are most of with human body,
But it is not proved devoid of risk yet.
Such as publication number:CN 102727276A Chinese patent application, a kind of tissue hemostatic clipping device is disclosed, should be only
The basic structure of blood clamping device is matched somebody with somebody by clip, relieving mechanism, traction component, Handleset and outer sheath to be combined into.It is such
Although hemostatic clipping device can realize the clamping to soft tissue to stop blooding, its clip can not be rotated, operation
Inconvenience;And its clip, when being clamped, the clamping dynamics of formation is not strong;Furthermore due to the clip in the hemostatic clipping device
Advance and retreat smooth in pipeline can shunk so that clip position loosening easily occurs when being in clamp position, causes clip
Loosening between tissue, largely effect on the effect and reliability of clamping hemostasis.Also, two folders in the hemostatic clipping device
Piece is linked together with moulding, easily causes tension force chucking power deficiency, this will largely effect on the reliable of hemostatic clipping device
Property.
Such as publication number:CN103989500A Chinese patent, it discloses a kind of hemostatic clamp, the hemostatic clamp scheme mainly by
Clamp assemblies and holder, which coordinate, to be formed, wherein, clamp assemblies include clip body and the steel wire buckle being sequentially connected;Holder front end
Provided with fixed pin shaft, clip body is made up of two clamping limbs, and the tail end of two clamping limbs is connected by active pin shaft, two folders
A chute is respectively provided with the middle part of gripping arm, fixed pin shaft passes through the chute, and two clamping limbs move back and forth to form folder along chute
The opening and closing of sub- body;The end of chute is provided with bending structure, when clamping limb, which moves, make it that fixed pin shaft is located in bending structure,
Two clamping limbs are in locked closed position.Chucking power in actual application be present not in the hemostatic clamp scheme thus formed
Foot, opening are not big enough and have the problems such as fine metal pin comes off during chuck disengaging.
Utility model content
For the problems of existing Endoscope hemostasis folder, it is necessary to which a kind of new Endoscope hemostasis is pressed from both sides, to improve its reliability
High and simple operation.
Therefore, technical problem to be solved in the utility model is to provide a kind of rotatable hemostatic clamp, its reliability it is high and
Simple operation.
In order to solve the above-mentioned technical problem, rotatable hemostatic clamp provided by the utility model, including handle, delivery sheath,
It is driven cable, distal end clamp part;The hemostatic clamp also includes being rotatably connected sleeve, described one end for being rotatably connected sleeve with
Distal end clamp part can be disconnected, and the other end is connected with delivery sheath, make distal end clamp part can be whole relative to delivery sheath
Body rotates.
Preferably, the set that is rotatably connected includes the first connection sleeve pipe and the second connection sleeve pipe, the first connection sleeve pipe and
Second connection sleeve pipe is docked, and can be rotated against.
Preferably, the distal end clamp part includes:
Chuck frame, the tail end of the chuck frame can be disconnected with being rotatably connected sleeve, and spacer pin is provided with chuck frame,
To coordinate with intermediate plate;
Intermediate plate, the intermediate plate include U-shaped bending section and two jig arm sections, and two jig arm sections are V-shaped to be symmetrically distributed in U-shaped folding
In curved segment;The intermediate plate is movably assigned into chuck frame, when being moved into chuck frame, restriction of the two jig arm sections in chuck frame
It is lower to close up in closed form;When being moved to outside chuck frame, U-shaped bending section is in chuck frame to both sides under the restriction of spacer pin
Open, to drive two jig arm sections to be opened to both sides;
Pull bar, the pull bar are movably placed in chuck frame, and the top of pull bar is by that can be disconnected structure and folder
The U-shaped bending section connection of piece, this can be disconnected structure and depart from when bearing pulling force and exceeding predetermined value with U-shaped bending section;Pull bar
Tail end with transmission cable be connected.
Preferably, the pull bar further drives chuck frame and is rotatably connected sleeve disengaging after intermediate plate is departed from.
Preferably, the structure that is disconnected is made up of corresponding connecting pin, and the connecting pin passes through the U of intermediate plate
Shape bending section, one end are fixedly connected with pull bar, and the other end is in free state.
Preferably, the jig arm section of the intermediate plate is provided with reinforcing rib structure.
Preferably, the reinforcing rib structure is middle high, the low structure in both sides, to form certain self-locking when intermediate plate closes
Clamping force.
Preferably, self-locking mechanism is also included in the distal end clamp part, the self-locking mechanism includes being arranged on chuck frame
Interior shell fragment and the neck being correspondingly arranged on intermediate plate, the shell fragment is when intermediate plate is moved to closed form into chuck frame, with folder
Neck is corresponding on piece, and in embedded neck.
Preferably, corresponding neck is respectively equipped with two jig arm sections in the intermediate plate, the corresponding setting in chuck frame
There are two shell fragments.
Preferably, the chuck frame and it is rotatably connected being disconnected between sleeve and is formed by component can be pulled, this can
Pull component connecting clip frame and be rotatably connected sleeve, and can be destroyed by the pull bar being moved rearwards along chuck frame, so that chuck
Frame is with being rotatably connected sleeve disengaging.
The rotatable hemostatic clamp formed according to such scheme, its front end, which can rotate, can carry out multidirectional operation, greatly improve
Convenience in actual mechanical process.Furthermore hemostatic clamp clamping is effectively ensured by setting up corresponding self-locking mechanism in the hemostatic clamp
The reliability of state.
Meanwhile sleeve further is rotatably connected to realize distal end using independent, departing in this hemostatic clamp scheme
Clamp part is rotatable relative to delivery sheath, rotates chuck as long as so rotating transmission cable can, and keep epitheca
Pipe and endoscopic forceps channel geo-stationary, without integral-rotation, greatly improve the convenience of operation.
Furthermore this hemostatic clamp can also provide sufficiently large and lasting enough chucking power, and sufficiently large opening, and nothing
Tiny parts come off, and reduce risk.
Brief description of the drawings
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the overall structure diagram of rotatable hemostatic clamp in the utility model embodiment;
Fig. 2 is the sectional view of distal end clamp part in the utility model embodiment;
Fig. 3 is distal end clamp part interior details schematic diagram in the utility model embodiment;
Fig. 4 is the main body schematic diagram of distal end clamp part in the utility model embodiment;
Fig. 5 is the schematic diagram that distal end clamp part is in closure state in the utility model embodiment;
Fig. 6 is that hair(-)pin follows closely the hair(-)pin nail after pulling and pull bar combination diagram in the utility model embodiment.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1, it show the agent structure of the hemostatic clamp of this example offer.
As seen from the figure, the rotatable hemostatic clamp that this example provides mainly includes Handleset (1), conveying in composition structure
Sheath (2), it is driven cable (3), distal end clamp part (4) and is rotatably connected sleeve (5).
Handleset (1) in hemostatic clamp is connected with delivery sheath (2), and delivery sheath (2) is by being rotatably connected set
Cylinder (5) is connected with distal end clamp part (4), wherein being rotatably connected one end of sleeve (5) and distal end clamp part (4) can depart from
Connection, and the other end is rotatably connected with delivery sheath (2);And be driven cable (3) and be located in hemostatic clamp, its one end and handle
Component (1) is connected, and the other end is connected with distal end clamp part (4).
Thus in the hemostatic clamp formed, corresponding operation (such as push away, draw) is applied by Handleset (1), by being driven
Action caused by Handleset (1) is transferred to distal end clamp part (4) by cable (3), to drive distal end clamp part (4) to carry out
Corresponding action.Simultaneously based on sleeve (5) is rotatably connected, distal end clamp part (4) can be revolved relative to delivery sheath (2)
Turn, to adjust corresponding angle or direction, to realize multidirectional operation.
In specific implementation, the Handleset (1) in this hemostatic clamp is used as functional unit, and it can use existing structure side
Case or other feasible schemes, as long as the operation required for hemostatic clamp can be realized.
Delivery sheath (2) in this hemostatic clamp is used as transmission pipeline, and it can use existing organization plan or other feasible
Scheme, specific structure type can according to the actual requirements depending on.As an example, can be formed using corresponding metal hose defeated
Sheath (2) is sent, but is not limited to this.
Transmission cable (3) in this hemostatic clamp as the transmission parts in hemostatic clamp, its use single steel wire, titanium-nickel wire or
Person's steel wire strand is coiled into.Thus the transmission cable (3) formed is located in delivery sheath (2), to connect Handleset (1) and remote
Hold clamp part (4).
The sleeve (5) that is rotatably connected in this hemostatic clamp is as independent transfer part so that distal end clamp part (4)
Relative to delivery sheath (2) can integral-rotation, be easy to capture the different wound in direction.
Referring to Fig. 2 and Fig. 3, sleeve (5) generally cylindrical structure is rotatably connected, including docking and can be relative to rotation
First connection sleeve pipe (51) and the second connection sleeve pipe (52).
First connection sleeve pipe (51) is used to connect distal end clamp part (4), and top is as connection end and distal end clamp part
(4) corresponding part (chuck frame 42) is connected in, and the attachment structure is that can be disconnected structure;First connection sleeve pipe (51)
Tail end rotatably docked with the top of the second connection sleeve pipe (52), with realize the first connection sleeve pipe (51) relative to second connect
Female connector pipe (52) is rotatable dynamic.
Second connection sleeve pipe (52) is used to connect delivery sheath (2), and its tail end is as connection end and the company of delivery sheath (2)
End is connect to be fixedly connected.
Thus what is formed is rotatably connected sleeve (5) scheme, based on the first connection sleeve pipe 51 and second that can be rotated against
Connection sleeve pipe (52), realize integral-rotation of the distal end clamp part (4) relative to delivery sheath (2);It is furthermore independent based on this
Sleeve scheme is rotatably connected, can also easily realize very much distal end clamp part (4) revolving relative to delivery sheath (2)
Turn, need to only rotate transmission cable (3) can just rotate chuck, and keep outer sheath and endoscopic forceps channel geo-stationary, and operation is non-
Normal is convenient.
For distal end clamp part (4) in this hemostatic clamp as specific action component in specific hemostatic clamp, it provides foot
Enough chucking powers and enough big openings, and the disengaging to be come off without tiny parts can be realized.
Referring to Fig. 2-Fig. 6, this distal end clamp part (4) mainly includes intermediate plate (41), chuck frame (42), pull bar (44), the
One pin (47), the second pin (48) and connection component (43).
Chuck frame (42) forms the agent structure of distal end clamp part (4), for housing other building blocks.The chuck
Frame (42) main body is hollow cylindrical structure, and top is used to coordinate with intermediate plate (41), intermediate plate (41) is formed and limited, makes intermediate plate
(41) deformed upon when entrance chuck frame (42) is internal to closure state, so that intermediate plate (41) is from open configuration to closure
Clamped condition.
In order to limit intermediate plate (41) well, ensure reliability during intermediate plate (41) state change, this reality
Example offers corresponding stopper slot (42d) on the top of chuck frame (42), forms the limiting structure of U-shaped so that intermediate plate (41) is convex
The part for going out chuck frame (42) is stuck in stopper slot 42d.Intermediate plate (41) is limited from there through stopper slot (42d), ensures folder
Reliability during piece (41) state change, precision and reliability during so as to ensure that intermediate plate (41) is clamped.
The tail end of chuck frame (42) offers assigns groove (42e) accordingly, for being rotatably connected in sleeve (5)
One connection sleeve pipe (51) can be disconnected.This assigns the size of groove (42e) to be engaged with the top of the first connection sleeve pipe (51), can
Hold its insertion, and connected by connection component (43), form temporary connection, when connection component (43) is destroyed, that is, realize
Depart from.
In order to effectively realize the temporary connection based on connection component (43), the connection component (43) is using corresponding
Component can be pulled, and corresponding placement hole (42c) is offered in the tail end of chuck frame (42), connection component (43) passes through the placement
Hole (42c) forms temporary attachment structure, will insert chuck frame (42) assign the first connection sleeve pipe (51) in groove (42e) with
Chuck frame (42) carries out temporary connection;Meanwhile the pull bar that the connection component (43) can be moved rearwards along chuck frame (42)
(44) destroy (as long as destruction here is so that connection component 43 can not effectively connect the first connection sleeve pipe 51 with chuck frame 42 i.e.
Can, such as pull connection component), then cause the temporary connection between the first connection sleeve pipe (51) and chuck frame (42) to disconnect, two
Person realizes overall depart from.
Intermediate plate (41) in distal end clamp part (4) is specific holding action part, and the intermediate plate (41) assigns into chuck
In frame (42), and can be moved under the drive of pull bar (44) in chuck frame (42), and in moving process with chuck frame (42)
Coordinate, realize and open or close (clamping).
As seen from the figure, the intermediate plate in this example (41) generally integral type class V-shaped structure, including U-shaped bending section (41e)
And V-shaped two symmetrical jig arm sections (41f).
Bottom of the U-shaped bending section (41e) as intermediate plate (41), coordinate with chuck frame (42), movably assign into chuck
In frame (42).
And two jig arm sections (41f) are stretched out by U-shaped bending section (41e) and formed and V-shaped symmetrical.Two jig arm sections
(41f) (adding the restriction of a frame to extrude) will close up to closed form inside rope of receiving simultaneously under external force, to realize clamping.In addition
The specific constructive form of two jig arm sections (41f) can according to the actual requirements depending on, but can be inserted into two jig arm sections of closure state
In chuck frame (42) (as shown in Figure 5), limited with will pass through the fixed of chuck frame (42) so that two jig arm sections keep reliably closing
Conjunction state.
The intermediate plate (41) formed accordingly is interior bending structure, can make to accelerate closure in intermediate plate tightening process and can provide more
Big clamping force, closure are closer.
The intermediate plate (41) assigns into chuck when coordinating installation with chuck frame (42) by the U-shaped bending section (41e) of bottom
In the top of frame (42), while two jig arm sections (41f) of V-shaped distribution are embedded in the stopper slot (42d) on chuck frame (42) top
In.
Matched, the top of chuck frame (42) offers corresponding pin hole (42a) (as shown in Figure 4), in the pin
The first pin (47) is assigned in hole (42a), first pin (47) is located in the top of chuck frame (42), and is interspersed in intermediate plate
(41) in, limited with the position to intermediate plate (41), make it within controlled range.
Specifically, first pin (47) is generally cylindrical, its placement location so that the first pin (47) is just with inserting
It is corresponding to enter the port of the U-shaped bending section (41e) of intermediate plate (41) in chuck frame (42), and the external diameter of the first pin (47) is more than folder
The width of piece U-shaped bending section (41e).Thus the first pin (47) set, which can be limited effectively, to be placed in chuck frame (42)
The position that intermediate plate (41) is displaced outwardly, intermediate plate (41) is avoided to depart from chuck frame (42) from the top of chuck frame (42);Simultaneously because
First pin (47) external diameter is more than the width of intermediate plate U-shaped bending section (41e), is pushed forward when intermediate plate (41) is transmitted cable (3)
When, due to the spacing and guide effect of pin (47), force the U-shaped bending section (41e) of intermediate plate (41) further to both sides
Open, then drive two jig arm sections (41f) further to be opened to both sides so that the opening of intermediate plate (41) is on V-shaped basis
On, further it is open, opening is magnified;Furthermore because the first pin (47) is generally cylindrical, good guiding can be played
Effect so that what intermediate plate (41) can be linearly further opens to both sides so that the opening that intermediate plate can finally open is sufficiently large.
Thus the intermediate plate (41) set with chuck frame (42) with the use of when, if intermediate plate (41) tension member (44) drive to
When being moved in chuck frame (42), the top of chuck frame (42) will carry out spacing and compression to two jig arm sections of intermediate plate (41), to two
Jig arm section (41f) forms inside extruding force, and two jig arm sections (41f) will close up to closed form in, to realize clamping, and closes
The two jig arm sections (41f) held together after closure will be assigned into chuck frame (42), be limited by the fixation of chuck frame (42), will be kept reliable
Closure state (as shown in Figure 5).
Intermediate plate if (41) tension member (44) drive to chuck frame (42) move outside when, the U-shaped bending section in chuck frame (42)
(41e) will contact with the first pin (47) in chuck frame (42), in the spacing and guide effect of the first pin (47) so that folder
The U-shaped bending section (41e) of piece (41) opens to both sides, then drives two jig arm sections (41f) further to be opened to both sides so that folder
The opening of piece (41) is further open on the basis of V-shaped, magnifies opening with sufficiently large.
Additionally, due to two jig arm sections (41f) it is stuck in the stopper slot (42d) on chuck frame (42) top, therefore,
During closing up closure or magnifying opening, stopper slot (42d) will be to two jig arm sections (41f) in two except closing up or opening
Other sides outside individual direction, which move up, to carry out spacing, effectively avoids intermediate plate (41) from rotating in the chuck frame (42), ensures
Reliability during intermediate plate (41) state change, precision and reliability during so as to ensure that intermediate plate (41) is clamped.
This example is on the basis of above-mentioned intermediate plate (41) scheme, it is further provided following improvement project:
This example be provided with the top of intermediate plate (41) (i.e. the free ends of two jig arm sections) intermeshing tooth (41b),
(41c).Here tooth (41b) and tooth (41c) is just mutually twisted, can incited somebody to action when intermediate plate (41) is in closure clamp position
Tissue is brought to together and is engaged, and the structure of dentation can more closely firmly grasp tissue so that tissue is not easy to slip.
This example is being provided with reinforcement (41a) corresponding to the inner side of the jig arm section (41f) of intermediate plate two, passes through the reinforcement
(41a) can be that intermediate plate (41) provides higher intensity and chucking power.
Further, the reinforcement (41a) uses middle high, and the low structure in both sides, reinforcement (41a) the binding structure is pressing from both sides
Can be that clip further provides for more preferable self-locking clamping force after piece closure clamping.
Furthermore the reinforcement (41a) can coordinate after intermediate plate closes clamping with the first pin (47), interaction, make
The clamping force for obtaining intermediate plate is tighter.
This example sets up a self-locking mechanism between intermediate plate (41) and chuck frame (42), and the self-locking mechanism enters in intermediate plate (41)
After entering to be formed closure clamp position in chuck frame (42), locked to being formed between intermediate plate (41) and chuck frame (42), avoid intermediate plate
(41) open, be further ensured that reliability during intermediate plate (41) closure clamping.
The self-locking mechanism mainly by be located in chuck frame (42) the first shell fragment (45), the second shell fragment (46) and be arranged on
Neck (41d) on intermediate plate (41), which coordinates, to be formed.
For that can be locked to the intermediate plate (41) in closure clamp position, in two jig arm sections (41f) of intermediate plate (41)
It is upper to offer corresponding neck (41d) respectively.Meanwhile resettlement groove (42b), the resettlement groove are correspondingly offered in chuck frame (42)
The set location of (42b) is corresponding with the path that the jig arm section (41f) of intermediate plate (41) two moves in chuck frame (42).First shell fragment
(45) and the second shell fragment (46) is respectively by the resettlement groove (42b) in chuck frame (42), is symmetrically placed in chuck frame (42),
And be in inside reversed acanthoid, to coordinate with neck (41d) on intermediate plate (41), insert in neck (41d), to limit intermediate plate (41)
Shift position in chuck frame (42).
Thus in the self-locking mechanism formed, the neck (41d) in the jig arm section (41f) of intermediate plate two can in intermediate plate closing course
To provide the space of certain frictional force and tissue flowing, clip (41) is enabled to more smoothly to close.Due to the first shell fragment
(45) and corresponding to the second shell fragment (46) it is arranged on the path that the jig arm section (41f) of intermediate plate (41) two moves in chuck frame (42)
On, therefore after closure, when the neck (41d) in two jig arm sections (41f) reaches and the first shell fragment (45) and the second shell fragment
(46) after corresponding position, the first shell fragment (45) and the second shell fragment (46) can be sprung into after neck (41d), and formation is locked,
Now intermediate plate (41) will be unable to open again, so as to be further ensured that closure clamping effect and reliability.
The driving part that pull bar (44) in distal end clamp part (4) is used as integrally is placed in chuck frame (42), to drive
Dynamic movement of the intermediate plate (41) in chuck frame (42), and after intermediate plate (41) closes clamping locking, depart from intermediate plate (41);It
Chuck frame (42) is further driven afterwards and is rotatably connected sleeve (5) disengaging.
As shown in Figures 2 and 3, the pull bar (44) includes intermediate plate connecting portion (44a) and transmission cable connecting portion (44b) two
Point.
It is a connecting rod to be wherein driven cable connecting portion (44b), intermediate plate connecting portion (44a) tail end is arranged on, with transmission
Cable (3) is fixedly connected.
Intermediate plate connecting portion (44a) is generally cylindrical, and size is corresponding with the internal diameter of chuck frame (42), can be in chuck frame
(42) moved freely in.The top of the intermediate plate connecting portion (44a) is by that can be disconnected structure with inserting in chuck frame (42)
U-shaped bending section (41e) connection of intermediate plate, this can be disconnected structure and be taken off when bearing pulling force and exceeding predetermined value with U-shaped bending section
From, and the pulling force that this can be disconnected structure and can carry can drive intermediate plate (41) to enter in chuck frame (42), and shrink
Shape is clamped to closure.
During specific implementation, this can be disconnected structure, and mainly intermediate plate connecting portion (44a) is formed with the second pin (48).
Referring to Fig. 6, this example offers on the top of intermediate plate connecting portion (44a) assigns groove (44e) accordingly, to accommodate folder
Piece U-shaped bending section (41e) inserts, while correspondingly assigns on top and to offer corresponding pin-and-hole on two side positions of groove (44e)
(44c), (44d), the second pin (48) are placed in intermediate plate connecting portion (44a) top by pin-and-hole (44c), (44d), and worn
Cross positioned at the intermediate plate U-shaped bending section (41e) assigned in groove (44e);And second pin (48) one end through pin-and-hole (44d) with draw
The intermediate plate connecting portion (44a) of bar is fixedly connected with (as welded), and the other end is located in pin-and-hole (44c) and is in free state, by
This realizes being disconnected intermediate plate U-shaped bending section (41e) and intermediate plate connecting portion (44a).
The pulling force that the intensity for the second pin (48) being arranged such can carry can drive intermediate plate (41) to enter chuck
In frame (42), and it is contracted to closure clamping shape;When if the pulling force born is more than the pulling force (when such as intermediate plate is locked), the second pin
(48) will deform so that free end departs from (as shown in Figure 6) from pin-and-hole (44c), now intermediate plate U-shaped bending section (41e)
It will depart from pull bar.
Further, since the cylinder that the intermediate plate connecting portion (44a) of pull bar (44) is generally corresponding with chuck frame (42) internal diameter
Shape, it is after intermediate plate U-shaped bending section (41e) is departed from, and the connection component (43) that can destroy in chuck frame (42) is then broken
Bad chuck frame (42) and the temporary connection being rotatably connected between sleeve (5) so that chuck frame (42) is with being rotatably connected sleeve
(5) depart from.
The rotatable hemostatic clamp that can be formed in this programme based on such scheme, it can pass through rotatable company when in use
Female connector cylinder carrys out integral-rotation distal end clamp part, to adjust claming angle and direction, reaches optimal clamping effect;If holding angle
Degree is not big enough, also by applying thrust on handle, is conducted power to pull bar by transmission cable, then further by pull bar derivation intermediate plate
It is flared out opening angle (process is as described above).
If desired during closure clamping, by applying pulling force on handle, power is conducted to pull bar, pull bar by transmission cable and existed
Be moved rearwards in chuck frame, then by the second pin drive intermediate plate U-shaped bending section moved into chuck frame (i.e. intermediate plate integrally to
Moved in chuck frame), under the restriction of chuck frame, intermediate plate moves the inside contraction edge in side into chuck frame, until intermediate plate shrinks
To closure state (i.e. clamp position), and it is moved into chuck frame and locks position (as shown in Figure 5).
In the presence of locking mechanism, closing the intermediate plate of clamp position will be fixed in chuck frame, pull bar further to
During post-tensioning, after pulling force reaches certain value, the free end of the second pin deforms upon, and is taken off from corresponding pin-and-hole
Go out, now pull bar will depart from intermediate plate, and the second pin after deforming will together continue to be moved rearwards (such as along chuck frame with pull bar
Shown in Fig. 6).
After pull bar is pulled, pull bar continues to be moved rearwards, and the resistance of connection component is being run into, in the presence of pulling force
Connection component is destroyed, now, connection component comes off from corresponding placement hole, and distal end clamp part will be with being rotatably connected
Sleeve integrally departs from, and remains closed clamp position, completes the release (as shown in Figure 5) of chuck.
And the second pin after now deforming will depart from distal end clamp part together with pull bar, broken zero will not be produced
Part (as shown in Figure 6).
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (9)
1. rotatable hemostatic clamp, including handle, delivery sheath, it is driven cable, distal end clamp part;Characterized in that, described stop
Blood folder also includes being rotatably connected sleeve, and described one end for being rotatably connected sleeve can be disconnected with distal end clamp part, separately
One end is connected with delivery sheath, makes distal end clamp part can unitary rotation relative to delivery sheath;The distal end clamp part bag
Include:
Chuck frame, the tail end of the chuck frame can be disconnected with being rotatably connected sleeve, be provided with spacer pin in chuck frame, with
Intermediate plate coordinates;
Intermediate plate, the intermediate plate include U-shaped bending section and two jig arm sections, and two jig arm sections are V-shaped to be symmetrically distributed in U-shaped bending section
On;The intermediate plate is movably assigned into chuck frame, when being moved into chuck frame, two jig arm sections under the restriction of chuck frame to
In close up to closed form;When being moved to outside chuck frame, U-shaped bending section is in chuck frame to both sides under the restriction of spacer pin
Open, to drive two jig arm sections to be opened to both sides;
Pull bar, the pull bar are movably placed in chuck frame, and the top of pull bar is by that can be disconnected the U of structure and intermediate plate
Shape bending section connects, and this can be disconnected structure and depart from when bearing pulling force and exceeding predetermined value with U-shaped bending section;The tail end of pull bar
It is connected with transmission cable.
2. rotatable hemostatic clamp according to claim 1, it is characterised in that the set that is rotatably connected includes the first connection
Sleeve pipe and the second connection sleeve pipe, the first connection sleeve pipe are docked with the second connection sleeve pipe, and can be rotated against.
3. rotatable hemostatic clamp according to claim 1, it is characterised in that the pull bar is after intermediate plate is departed from, further
Driving chuck frame is with being rotatably connected sleeve disengaging.
4. rotatable hemostatic clamp according to claim 1, it is characterised in that the structure that is disconnected by connecting accordingly
Pin nail is formed, and the connecting pin passes through the U-shaped bending section of intermediate plate, and one end is fixedly connected with pull bar, and the other end is in freely
State.
5. rotatable hemostatic clamp according to claim 1, it is characterised in that the jig arm section of the intermediate plate is provided with reinforcement
Structure.
6. rotatable hemostatic clamp according to claim 5, it is characterised in that the reinforcing rib structure is middle high, both sides
Low structure, to form certain self-locking clamping force when intermediate plate closes.
7. rotatable hemostatic clamp according to claim 1, it is characterised in that also include self-locking in the distal end clamp part
Mechanism, the self-locking mechanism include the shell fragment being arranged in chuck frame and the neck being correspondingly arranged on intermediate plate, and the shell fragment exists
It is corresponding with neck on intermediate plate when intermediate plate is moved to closed form into chuck frame, and in embedded neck.
8. rotatable hemostatic clamp according to claim 7, it is characterised in that set respectively in two jig arm sections in the intermediate plate
There is corresponding neck, two shell fragments are provided with corresponding in chuck frame.
9. rotatable hemostatic clamp according to claim 1, it is characterised in that the chuck frame and be rotatably connected between sleeve
Be disconnected and formed by component can be pulled, this can pull component connecting clip frame and be rotatably connected sleeve, and can be by edge
The pull bar that chuck frame is moved rearwards destroys, so that chuck frame is with being rotatably connected sleeve disengaging.
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CN201621395549.6U CN207055519U (en) | 2016-12-19 | 2016-12-19 | A kind of rotatable hemostatic clamp |
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CN201621395549.6U CN207055519U (en) | 2016-12-19 | 2016-12-19 | A kind of rotatable hemostatic clamp |
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CN207055519U true CN207055519U (en) | 2018-03-02 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108420490A (en) * | 2018-04-09 | 2018-08-21 | 扬州发特利医疗器械科技有限公司 | A kind of endoscope-use clip and clamp apparatus |
CN109223110A (en) * | 2018-10-22 | 2019-01-18 | 上海科瑞思工业设计有限公司 | A kind of locking means and its device of rotary open-and-close soft tissue folder |
CN111281468A (en) * | 2020-03-31 | 2020-06-16 | 常州乐奥医疗科技股份有限公司 | Hemostatic clamp |
CN113729834A (en) * | 2020-05-27 | 2021-12-03 | 常州乐奥医疗科技股份有限公司 | Clamping head component for hemostatic clamp and hemostatic clamp |
-
2016
- 2016-12-19 CN CN201621395549.6U patent/CN207055519U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108420490A (en) * | 2018-04-09 | 2018-08-21 | 扬州发特利医疗器械科技有限公司 | A kind of endoscope-use clip and clamp apparatus |
CN108420490B (en) * | 2018-04-09 | 2024-04-16 | 扬州发特利医疗器械科技有限公司 | Clip and clip device for endoscope |
CN109223110A (en) * | 2018-10-22 | 2019-01-18 | 上海科瑞思工业设计有限公司 | A kind of locking means and its device of rotary open-and-close soft tissue folder |
CN111281468A (en) * | 2020-03-31 | 2020-06-16 | 常州乐奥医疗科技股份有限公司 | Hemostatic clamp |
CN113729834A (en) * | 2020-05-27 | 2021-12-03 | 常州乐奥医疗科技股份有限公司 | Clamping head component for hemostatic clamp and hemostatic clamp |
CN113729834B (en) * | 2020-05-27 | 2023-08-22 | 常州乐奥医疗科技股份有限公司 | Chuck assembly for hemostatic clamp and hemostatic clamp |
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Address after: No.66, Lane 133, Guangzhong Road, Minhang District, Shanghai, 201108 Co-patentee after: HANGZHOU FUYANG MEDICAL INSTRUMENT Co.,Ltd. Patentee after: Shanghai Aohua endoscopy Co., Ltd Address before: 201612 Shanghai City, Minhang District Jin Road, No. 2017, room 13, building 1, 4299 Co-patentee before: HANGZHOU FUYANG MEDICAL INSTRUMENT Co.,Ltd. Patentee before: SHANGHAI AOHUA PHOTOELECTRICITY ENDOSCOPE Co.,Ltd. |