CN109480962A - A kind of incision knife knife silk - Google Patents
A kind of incision knife knife silk Download PDFInfo
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- CN109480962A CN109480962A CN201811564109.2A CN201811564109A CN109480962A CN 109480962 A CN109480962 A CN 109480962A CN 201811564109 A CN201811564109 A CN 201811564109A CN 109480962 A CN109480962 A CN 109480962A
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- China
- Prior art keywords
- knife
- silk
- knife silk
- incision
- outer layer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00796—Breast surgery
Abstract
The invention discloses a kind of incision knife knife silks.The incision knife knife silk includes the first knife silk for transmitting driving force and torque and the second knife silk for cutting operation position, and the first knife silk and the second knife silk, which are connected, constitutes a knife silk.Wherein: the rigidity of the first knife silk is greater than the rigidity of the second knife silk, rigid requirements needed for the first knife silk can satisfy transmitting driving；The flexibility of second knife silk is greater than the flexibility of the first knife silk.To, when the incision knife knife silk is used in papillotome, rigid requirements needed for transmitting driving can either be met can enable successful of the incision knife head end softness flexibly with raising insertion nipple to guarantee effectively to adjust the direction of incision knife head end by the handle capable of being for rotating papillotome again.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of incision knife knife silk.
Background technique
It is in diagnosis ERCP (Endoscopic retrograde cholangiopancreatography) skill through Endoscopic Sphincterotomy of Duodenal Papilla Attached art (EST)
On the basis of art, further grow up under scope using dedicated papillotome by duodenofiberscope sphincter and
A kind for the treatment of technology that choledochus end section is cut.Referring to Figure 1, Fig. 1 is to include about through duodenofiberscope in the prior art
Myotomy schematic diagram.
Papillotome needs: incision knife head end is soft flexible and has certain pre-bending angle to facilitate intubation, passes through simultaneously
Rotating handle can effectively adjust the direction of incision knife head end.But currently on the market, the knife silk in sphincterotomy knife
For a metal line rope, although the knife silk rotates upper preferable operability in angle, the stiff problem because of cotton rope to cut
The conduit portion flexibility at cutter head end is inadequate, causes the successful for being inserted into nipple low, influences procedure efficiency.
Therefore, rigidity needed for how enabling the incision knife knife silk in sphincterotomy knife can satisfy transmitting driving
It is required that guarantee the direction that can effectively adjust incision knife head end by rotating handle, while the soft spirit of incision knife head end can be enabled again
Successful living to improve insertion nipple, is current those skilled in the art technical problem urgently to be resolved.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of incision knife knife silk, it, can either when being used in papillotome
Rigid requirements needed for meeting transmitting driving are to guarantee effectively to adjust incision knife head end by the handle capable of being for rotating papillotome
Direction, while can enable again incision knife head end softness flexibly with improve insertion nipple successful.
To achieve the above object, the invention provides the following technical scheme:
A kind of incision knife knife silk, including the first knife silk for transmitting driving force and torque and for cutting operation position
Second knife silk, the first knife silk and the second knife silk, which are connected, constitutes a knife silk, in which:
The rigidity of the first knife silk is greater than the rigidity of the second knife silk, and the first knife silk can satisfy transmitting driving
Required rigid requirements；
The flexibility of the second knife silk is greater than the flexibility of the first knife silk.
Preferably, in above-mentioned incision knife knife silk, the first knife silk is twisted wire；
On the first knife silk, the end for connecting the second knife silk is the first connecting pin；
On the second knife silk, the end for connecting the first knife silk is second connection end；
Multiple strands in first connecting pin wrap up the second connection end and weld to be connected or pass through with it and connect
Part is connected.
Preferably, in above-mentioned incision knife knife silk, the first knife silk includes the multiple first outer layer lines and is wrapped in more
The first core wire in a first outer layer line, also, in first connecting pin, outside first core wire relatively described first
Layer line is shorter, and multiple first outer layer lines constitute multiple strands for wrapping up the second connection end.
Preferably, in above-mentioned incision knife knife silk, the second knife silk is single cord.
Preferably, in above-mentioned incision knife knife silk, the second knife silk be twisted wire, including multiple second outer layer lines and by
The second core wire being wrapped in multiple second outer layer lines, and:
In the second knife silk, the second connection end wrapped up by first connecting pin is to stretch out multiple described second
Second core wire outside outer layer line；
Alternatively, the second connection end wrapped up by first connecting pin is twisted line end in the second knife silk.
Preferably, in above-mentioned incision knife knife silk, the second knife silk is twisted wire；
On the first knife silk, the end for connecting the second knife silk is the first connecting pin；
On the second knife silk, the end for connecting the first knife silk is second connection end；
Multiple strands in the second connection end wrap up first connecting pin and weld to be connected or pass through with it and connect
Part is connected.
Preferably, in above-mentioned incision knife knife silk, the second knife silk includes the multiple second outer layer lines and is wrapped in more
The second core wire in a second outer layer line, also, in the second connection end, outside second core wire relatively described second
Layer line is shorter, and multiple second outer layer lines constitute multiple strands for wrapping up first connecting pin.
Preferably, in above-mentioned incision knife knife silk, the first knife silk be twisted wire, including multiple first outer layer lines and by
The first core wire being wrapped in multiple first outer layer lines, and:
In the first knife silk, first connecting pin wrapped up by the second connection end is stretching multiple described first
First core wire outside outer layer line；
Alternatively, first connecting pin wrapped up by the second connection end is twisted line end in the first knife silk.
Preferably, in above-mentioned incision knife knife silk, the connector is connecting sleeve, and:
It is squeezed between the connecting sleeve and the first knife silk by welding manner and/or tight fit mode and/or machinery
The mode of pressure is connected；
It is squeezed between the connecting sleeve and the second knife silk by welding manner and/or tight fit mode and/or machinery
The mode of pressure is connected.
Preferably, in above-mentioned incision knife knife silk, on the first knife silk, the end for connecting the second knife silk is
First connecting pin, first connecting pin are set in the first connecting sleeve and are connected with it；
On the second knife silk, the end for connecting the first knife silk is second connection end, the second connection end
It is set in the second connecting sleeve and is connected with it；
First connecting pin and second connecting sleeve are respectively sleeved inside the both ends of first connecting sleeve
And be connected with it, alternatively, the end of first connecting sleeve and the welding of the end of second connecting sleeve are connected.
Preferably, the twisted wire and/or the making material of single cord are steel, iron, copper, aluminium, silver etc..
Preferably, the mode of the welding is soldering, silver soldering etc..
It can be seen from the above technical proposal that incision knife knife silk provided by the invention, using with different performance parameter
Different function position of two cords respectively as incision knife knife silk.To, when which is used in papillotome,
Transmitting, which can either be met, drives required rigid requirements to guarantee the direction that can effectively adjust incision knife head end by rotating handle,
It can enable incision knife head end softness flexibly to improve the successful for being inserted into nipple again simultaneously.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is in the prior art through Endoscopic Sphincterotomy of Duodenal Papilla Attached art schematic diagram；
Fig. 2 is the structural schematic diagram for the papillotome that the first specific embodiment of the invention provides；
Fig. 3 is the attachment structure schematic diagram for the incision knife knife silk that the second specific embodiment of the invention provides；
Fig. 4 is the end before and after the connecting pin cut-out core wire for the first knife silk that the second specific embodiment of the invention provides
Cross section structure schematic diagram；
Fig. 5 is the attachment structure schematic diagram for the incision knife knife silk that third specific embodiment of the present invention provides；
Fig. 6 is the attachment structure schematic diagram for the incision knife knife silk that the 4th specific embodiment of the invention provides；
The incision knife knife silk that Fig. 7 provides for the 5th specific embodiment of the invention and the 6th specific embodiment passes through connector sleeve
Attachment structure schematic diagram when pipe is connected；
Fig. 8 is the attachment structure schematic diagram for the incision knife knife silk that the 7th specific embodiment of the invention provides；
Fig. 9 is the attachment structure schematic diagram for the incision knife knife silk that the 8th specific embodiment of the invention provides.
Wherein:
1- the first knife silk, the first core wire of 10-, the outer layer line of 11- first,
2- the second knife silk, the second core wire of 20-, the outer layer line of 21- second,
3- connecting sleeve, the first connecting sleeve of 31-, the second connecting sleeve of 32-,
A1, A2- weld.
Specific embodiment
The invention discloses a kind of incision knife knife silks, and rigid requirements needed for can either meeting transmitting driving are to guarantee to pass through
The handle capable of being of rotation papillotome effectively adjusts the direction of incision knife head end, while can enable incision knife head end soft flexibly again
To improve the successful of insertion nipple.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
First specific embodiment
Referring to Fig. 2, Fig. 2 is the structural schematic diagram for the papillotome that the first specific embodiment of the invention provides.
First specific embodiment of the invention provides a kind of papillotome, the incision knife knife used in the papillotome
Silk, including the first knife silk 1 for transmitting driving force and torque and for the second knife silk 2 at cutting operation position, the first knife silk 1
It is connected with the second knife silk 2 and constitutes a knife silk, in which:
The rigidity of first knife silk 1 is greater than the rigidity of the second knife silk 2, and the first knife silk 1 can satisfy rigid needed for transmitting driving
Property require, thus by rotation papillotome handle capable of being effectively transmit driving force and torque with drive incision knife head end adjustment
Direction；
The flexibility of second knife silk 2 is greater than the flexibility of the first knife silk 1, and incision knife head end can be enabled soft flexible and had certain pre-
Bending angle improves the successful of insertion nipple to facilitate intubation.
As it can be seen that the incision knife knife silk in the papillotome that the first specific embodiment of the invention provides, different using having
Two cords of performance parameter respectively as incision knife knife silk different function position, thus, which can either expire
Rigid requirements needed for foot transmitting driving again can with guaranteeing effectively adjust the direction of incision knife head end by rotating handle
Enough enable incision knife head end softness flexibly to improve the successful for being inserted into nipple.
Preferably, the first knife silk 1 is relatively thick twisted wire or thicker single cord, and diameter range is in 0.46mm
To 0.56mm, preferably 0.51mm, so as to reach biggish rigidity；Second knife silk 2 be relatively thin twisted wire or compared with
Thin single cord, diameter range is in 0.30mm to 0.38mm, preferably 0.34mm, so as to reach biggish flexibility.
Specifically, there are many optinal plans for the attachment between the first knife silk 1 and the second knife silk 2, below by second
Specific embodiment to the 7th specific embodiment carries out concrete example explanation.But be not limited to that this, those skilled in the art are also
The connected effect between other modes the first knife silk 1 of realization and the second knife silk 2 can be used, the present invention is not specifically limited in this embodiment.
For convenience of explanation, herein, the first connection is referred to as connecting the end of the second knife silk 2 on the first knife silk 1
It holds, is referred to as second connection end for connecting the end of the first knife silk 1 on the second knife silk 2.
Moreover, it should be noted that:
Described " twisted wire ", which refers to, herein is twisted the conjunction synnema rope that (or twining conjunction) is constituted together by multi-filament.
It is a simple silk for described " single cord " is opposite twisted wire herein, nothing is twisted and closes beam
Structure.
Described " strand ", which refers to, herein is combined the individual thread for constituting twisted wire for twining.Herein, when first
When knife silk 1 is twisted wire, then the strand of the first knife silk 1 includes the multiple first outer layer lines 11 and is wrapped in the multiple first outer layer lines
The first core wire 10 (seeing Fig. 3) in 11；When the second knife silk 2 is twisted wire, then the second knife silk 2 includes multiple second outer layers
Line 21 and the second core wire 20 (seeing Fig. 6) being wrapped in the multiple second outer layer lines 21.
Preferably, used " twisted wire " is to close beam wirerope herein, and " single cord " is individual wire.But simultaneously
Not limited to this, the material of " twisted wire " and " single cord " can also be the cord of other materials, example other than being steel
Such as copper, aluminium, silver.The present invention is not especially limited this.
Second specific embodiment
Fig. 3 and Fig. 4 are please referred to, Fig. 3 is that the connection structure for the incision knife knife silk that the second specific embodiment of the invention provides is shown
It is intended to, Fig. 4 is that the end before and after the connecting pin cut-out core wire for the first knife silk that the second specific embodiment of the invention provides is cut
Face structural schematic diagram.
Second specific embodiment of the invention provides a kind of incision knife knife silk, which is above-mentioned first specific real
The incision knife knife silk used in the papillotome provided in example is provided.
The first knife silk 1 in the incision knife knife silk is twisted wire, and the second knife silk 2 is single cord or twisted wire.Wherein,
After multiple strands in first connecting pin of one knife silk 1 wrap up the second connection end of the second knife silk 2, pass through weldering with the second knife silk 2
It connects mode to be connected, the welding manner includes but is not limited to that soldering, silver soldering etc. are preferably silver soldering, to ensure bonding strength.
Preferably, the opposite first outer layer line 11 of the first core wire 10 in the first connecting pin is shorter (seeing Fig. 3), Duo Ge
One outer layer line 11 constitutes multiple strands for wrapping up second connection end.
The specific process for the incision knife knife silk that second specific embodiment of the invention provides includes:
The of the end (i.e. the first connecting pin) of the first thicker knife silk 1 (diameter phi 0.51mm) of torque will be used to transmit
One outer layer line 11 is scattered, and the first core wire 10 cutting certain length (such as 3mm or so) will be located in the middle；
Scatter multiple first outer layer lines 11 are smoothed out with the fingers it is suitable, at this point, the first connecting pin of the first knife silk 1 is due to having cut off part
First core wire 10 is to generate intermediate gaps (reference can be made to Fig. 4)；
It will be used for the end (i.e. second connection end) of the thinner second knife silk 2 (diameter phi 0.34mm) at cutting operation position
Carry out chamfering, and be inserted into the intermediate gaps of the first connecting pin, thus reach enable the first connecting pin multiple strands (herein for
Multiple first outer layer lines 11) wrap the preliminary connection effect of second connection end；
In the first connecting pin and the junction of second connection end using welding operation, to ensure bonding strength, thus by the
One knife silk 1 and the second knife silk 2, which are connected, constitutes the knife silk for the different demands that one can satisfy different parts.
Further, can also be as needed, above-mentioned weld part outer diameter is ground, the outer diameter of itself and the first knife silk 1 is made
It is same or similar.It is same or similar with thicker knife silk outer diameter to have under the premise of ensuring welded connection intensity
Size, enable connection after knife silk slided in tiny cavity.
It should be noted that cutoff process can not also be carried out to the first core wire 10 of the first knife silk 1, it, will when connection
The outer layer line 11 of the first of first connecting pin and the first core wire 10 wrap up the second connection end of the second knife silk 2 together after scattering.But
The present invention is not especially limited this, and those skilled in the art can be embodied according to actual needs.
In addition, it should be noted that, being wrapped up in the second knife silk 2 by the first knife silk 1 if the second knife silk 2 is twisted wire
Second connection end can be by the twisted line end that all the second outer layer line 21 and the second core wire 20 are constituted, be also possible to by part
The twisted line end that second outer layer line 21 and the second core wire 20 are constituted, or can also be by all or part of second outer 21 structure of layer line
At twisted line end.(specifically seeing Fig. 3)
It preferably, can also be according to following third specific embodiments to the second knife silk 2 if the second knife silk 2 is twisted wire
Second connection end carries out cutoff process.
Third specific embodiment
Referring to Fig. 5, Fig. 5 is the attachment structure schematic diagram for the incision knife knife silk that third specific embodiment of the present invention provides.
Third specific embodiment of the present invention provides a kind of incision knife knife silk, the incision knife knife silk and the second specific embodiment
Different places are, the second knife silk 2 is twisted wire (including multiple second outer layer lines 21 and second core wire 20), also, second
In knife silk 2, the second connection end by the package connection of the first knife silk 1 is the second core wire stretched out except multiple second outer layer lines 21
20。
The specific process for the incision knife knife silk that third specific embodiment of the present invention provides includes:
The of the end (i.e. the first connecting pin) of the first thicker knife silk 1 (diameter phi 0.51mm) of torque will be used to transmit
One outer layer line 11 is scattered, and the first core wire 10 cutting certain length (such as 3mm or so) will be located in the middle；
Scatter multiple first outer layer lines 11 are smoothed out with the fingers it is suitable, at this point, the first connecting pin of the first knife silk 1 is due to the first core wire
10 have carried out cutoff process, to generate intermediate gaps (reference can be made to Fig. 4)；
It will be used for the end (i.e. second connection end) of the thinner second knife silk 2 (diameter phi 0.34mm) at cutting operation position
The second outer layer line 21 scatter and cut off smooth out with the fingers after certain length (such as 3mm or so) it is suitable, thus expose certain length (such as
3mm or so) the second core wire 20；
The second core wire 20 exposed is inserted into the intermediate gaps of the first connecting pin, enables the first connecting pin to reach
Multiple strands (being herein the multiple first outer layer lines 11) wrap the preliminary connection effect of second connection end；
In the first connecting pin and the junction of second connection end using welding operation, to ensure bonding strength, thus by the
One knife silk 1 and the second knife silk 2, which are connected, constitutes the knife silk for the different demands that one can satisfy different parts.
Further, can also be as needed, above-mentioned weld part outer diameter is ground, the outer diameter of itself and the first knife silk 1 is made
It is same or similar.It is same or similar with thicker knife silk outer diameter to have under the premise of ensuring welded connection intensity
Size, enable connection after knife silk slided in tiny cavity.
It should be noted that cutoff process can not also be carried out to the first core wire 10 of the first knife silk 1, it, will when connection
The outer layer line 11 of the first of first connecting pin and the first core wire 10 wrap up the second knife silk 2 together second connection end after scattering is exposed
The second core wire 20 out.But the present invention is not especially limited this, those skilled in the art can carry out according to actual needs
Specific implementation.
4th specific embodiment
Referring to Fig. 6, Fig. 6 is the attachment structure schematic diagram for the incision knife knife silk that the 4th specific embodiment of the invention provides.
4th specific embodiment of the invention provides a kind of incision knife knife silk, 1 He of the first knife silk in the incision knife knife silk
The connection type of second knife silk 2 is similar to the second specific embodiment or third specific embodiment, distinctive points and is only that, by the
Multiple strands of the second connection end of two knife silks 2 to the first connecting pin of the first knife silk 1 carry out package connection.
Specifically, in the incision knife knife silk that the 4th specific embodiment of the invention provides, the second knife silk 2 is thinner twisted
Line, the first knife silk 1 are thicker single cord or thicker twisted wire.Also, it is multiple in the second connection end of the second knife silk 2
After strand wraps up the first connecting pin of the first knife silk 1, it is connected with the first knife silk 1 by welding manner, the welding manner includes
But it is not limited to, soldering, silver soldering etc. are preferably silver soldering, to ensure bonding strength.
Preferably, in the second connection end of the second knife silk 2, the second core wire 20 (is seen with respect to the second outer layer line 21 is shorter
Fig. 6), the multiple second outer layer line 21 constitutes multiple strands for wrapping up the first connecting pin.
Specifically, if the first knife silk 1 is single cord, the first connecting pin is chamfered afterwards directly by the second knife silk 2
Multiple strands of second connection end wrap up connection, or without chamfering directly by the more of the second connection end of the second knife silk 2
A strand package connection.
If the first knife silk 1 is twisted wire, the first connecting pin wrapped up in the first knife silk 1 by the second knife silk 2, can be by
All twisted line ends that the first outer layer line 11 and the first core wire 10 are constituted, are also possible to by the outer layer line 11 in part first and the first core
The twisted line end that line 10 is constituted, or can also be the twisted line end being made of all or part of first outer layer line 11.Preferably,
The first connecting pin wrapped up in first knife silk 1 by the second knife silk 2, for the first core wire 10 stretched out outside multiple first outer layer lines 11
(seeing Fig. 6).
The specific process for the incision knife knife silk that 4th specific embodiment of the invention provides includes:
The of the end (i.e. the first connecting pin) of the first thicker knife silk 1 (diameter phi 0.51mm) of torque will be used to transmit
One outer layer line 11 is cut off after scattering smoothes out with the fingers after certain length (such as 3mm or so) suitable, to expose certain length, (such as 3mm is left
It is right) the first core wire 10；
It will be used for the end (i.e. second connection end) of the thinner second knife silk 2 (diameter phi 0.34mm) at cutting operation position
The second outer layer line 21 scatter, will be located in the middle the second core wire 20 cutting certain length (such as 3mm or so)；
Scatter multiple second outer layer lines 21 are smoothed out with the fingers it is suitable, at this point, the second connection end of the second knife silk 2 is due to the second core wire
20 have carried out cutoff process, to generate intermediate gaps (reference can be made to Fig. 4)；
First core wire 10 exposed in first knife silk 1 is inserted into the intermediate gaps of second connection end, to reach
Multiple strands (being herein the multiple second outer layer lines 21) of second connection end are enabled to wrap the preliminary connection effect of the first connecting pin；
In the first connecting pin and the junction of second connection end using welding operation, to ensure bonding strength, thus by the
One knife silk 1 and the second knife silk 2, which are connected, constitutes the knife silk for the different demands that one can satisfy different parts.
Further, can also be as needed, above-mentioned weld part outer diameter is ground, the outer diameter of itself and the first knife silk 1 is made
It is same or similar.It is same or similar with thicker knife silk outer diameter to have under the premise of ensuring welded connection intensity
Size, enable connection after knife silk slided in tiny cavity.
It should be noted that cutoff process can not also be carried out to the second core wire 20 of the second knife silk 2, it, will when connection
The outer layer line 21 of the second of second connection end and the second core wire 20 wrap up the first connecting pin of the first knife silk 1 together after scattering.But
The present invention is not especially limited this, and those skilled in the art can be embodied according to actual needs.
5th specific embodiment
Referring to Fig. 7, solid by connecting sleeve 3 in the incision knife knife silk that Fig. 7 provides for the 5th specific embodiment of the invention
Attachment structure schematic diagram when even.
5th specific embodiment of the invention provides a kind of incision knife knife silk, and the first knife silk 1 in the incision knife knife silk is
Thicker single cord, the second knife silk 2 are thinner single cord, and the first knife silk 1 and the second knife silk 2 can be carried out by connector
It is connected.The connector preferably uses connecting sleeve 3.
Specifically, the second connection end of the first connecting pin and the second knife silk 2 that can be the first knife silk 1 is tentatively welded
Afterwards, then in weld reinforcement connection is carried out by connecting sleeve 3.Or it is also possible to the first connecting pin and of the first knife silk 1
The second connection end of two knife silks 2 is connected with connecting sleeve 3 respectively, to realize the purpose being connected to each other.
Specifically:
Between connecting sleeve 3 and the first knife silk 1, it is connected by the mode of welding manner, tight fit mode or mechanical presses,
Or two of them or three kinds of attachments (such as tight fit+welding, tight fit+mechanical presses) are used simultaneously；
Between connecting sleeve 3 and the second knife silk 2, it is connected by welding manner, tight fit mode, the mode of mechanical presses,
Or two of them or three kinds of attachment (such as tight fit+welding, tight fit+mechanical presses) are used simultaneously
The welding manner includes but is not limited to soldering, silver soldering etc..
6th specific embodiment
Referring to Fig. 7, solid by connecting sleeve 3 in the incision knife knife silk that Fig. 7 provides for the 6th specific embodiment of the invention
Attachment structure schematic diagram when even.
The first knife silk 1, the second knife silk 2 and its package mode and the second specific embodiment, third in the incision knife knife silk
Specific embodiment or the 4th specific embodiment are identical.But the first connecting pin and second connection end are tentatively connected by package mode
After connecing, then carried out by connector connected.
Specifically, above-mentioned connector preferably uses connecting sleeve 3.And:
Between connecting sleeve 3 and the first knife silk 1, it is connected by the mode of welding manner, tight fit mode or mechanical presses,
Or two of them or three kinds of attachments (such as tight fit+welding, tight fit+mechanical presses) are used simultaneously；
Between connecting sleeve 3 and the second knife silk 2, it is connected by welding manner, tight fit mode, the mode of mechanical presses,
Or two of them or three kinds of attachments (such as tight fit+welding, tight fit+mechanical presses) are used simultaneously；
The welding manner includes but is not limited to soldering, silver soldering etc..
7th specific embodiment
Referring to Fig. 8, Fig. 8 is the attachment structure schematic diagram for the incision knife knife silk that the 7th specific embodiment of the invention provides.
In the incision knife knife silk that 7th specific embodiment of the invention provides, the first connecting pin of the first knife silk 1 is set in the
It is connected in one connecting sleeve 31 and with it；The second connection end of second knife silk 2 is set in the second connecting sleeve 32 and solid with it
Even；First connecting pin and the second connecting sleeve 32 are respectively sleeved inside the both ends of the first connecting sleeve 31, and by welding or
It is connected in such a way that mechanical presses deform with it；The welding manner includes but is not limited to soldering, silver soldering etc..
8th specific embodiment
Referring to Fig. 9, Fig. 9 is the attachment structure schematic diagram for the incision knife knife silk that the 8th specific embodiment of the invention provides.
In the incision knife knife silk that 8th specific embodiment of the invention provides, the first connecting pin of the first knife silk 1 is set in the
It is connected in one connecting sleeve 31 and with it；The second connection end of second knife silk 2 is set in the second connecting sleeve 32 and solid with it
Even；The end of first connecting sleeve 31 and the welding of the end of the second connecting sleeve 32 are connected；The welding manner includes but unlimited
In soldering, silver soldering etc..
To sum up, the incision knife knife silk in above-mentioned multiple specific embodiments provided by the invention, realizes two kinds not
With being fixedly connected between the knife silk of thickness difference purposes.To reach using two knife silks with different performance parameter
Respectively as the purpose at the different function position of incision knife knife silk.To enable the incision knife knife in sphincterotomy knife
Silk, rigid requirements needed for can either meeting transmitting driving are to guarantee the side that can effectively adjust incision knife head end by rotating handle
To, while can enable incision knife head end softness flexibly to improve the successful for being inserted into nipple again.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of incision knife knife silk, which is characterized in that including the first knife silk (1) for transmitting driving force and torque and for cutting
The second knife silk (2) of operative site is cut, the first knife silk (1) and the second knife silk (2), which are connected, constitutes a knife silk,
In:
The rigidity of the first knife silk (1) is greater than the rigidity of the second knife silk (2), and the first knife silk (1) can satisfy biography
Rigid requirements needed for passing driving.
2. incision knife knife silk according to claim 1, which is characterized in that the first knife silk (1) is twisted wire；
On the first knife silk (1), the end for connecting the second knife silk (2) is the first connecting pin；
On the second knife silk (2), the end for connecting the first knife silk (1) is second connection end；
Multiple strands in first connecting pin wrap up the second connection end and weld with it and are connected or consolidated by connector
Even.
3. incision knife knife silk according to claim 2, which is characterized in that the first knife silk (1) includes outside multiple first
Layer line (11) and the first core wire (10) being wrapped in the described first outer layer line (11), also, in first connecting pin, institute
It is shorter to state the outer layer line (11) of the first core wire (10) relatively described first, the first outer layer line (11) is constituted for wrapping up described the
Multiple strands of two connecting pins.
4. incision knife knife silk according to claim 2, which is characterized in that the second knife silk (2) is single cord.
5. incision knife knife silk according to claim 2, which is characterized in that the second knife silk (2) is twisted wire, including more
A second outer layer line (21) and the second core wire (20) being wrapped in the described second outer layer line (21), and:
In the second knife silk (2), the second connection end wrapped up by first connecting pin is to stretch out second outer layer
Second core wire (20) of line (21) outside；
Alternatively, the second connection end wrapped up by first connecting pin is twisted line end in the second knife silk (2).
6. incision knife knife silk according to claim 1, which is characterized in that the second knife silk (2) is twisted wire；
On the first knife silk (1), the end for connecting the second knife silk (2) is the first connecting pin；
On the second knife silk (2), the end for connecting the first knife silk (1) is second connection end；
Multiple strands in the second connection end wrap up first connecting pin and weld with it and are connected or consolidated by connector
Even.
7. incision knife knife silk according to claim 6, which is characterized in that the second knife silk (2) includes outside multiple second
Layer line (21) and the second core wire (20) being wrapped in the described second outer layer line (21), also, in the second connection end, institute
It is shorter to state the outer layer line (21) of the second core wire (20) relatively described second, the second outer layer line (21) is constituted for wrapping up described the
Multiple strands of one connecting pin.
8. incision knife knife silk according to claim 6, which is characterized in that the first knife silk (1) is twisted wire, including more
A first outer layer line (11) and the first core wire (10) being wrapped in the described first outer layer line (11), and:
In the first knife silk (1), first connecting pin wrapped up by the second connection end is stretching multiple described first
First core wire (10) of outer layer line (11) outside；
Alternatively, first connecting pin wrapped up by the second connection end is twisted line end in the first knife silk (1).
9. according to the described in any item incision knife knife silks of claim 2 to 8, which is characterized in that the first knife silk (1) and described
Second knife silk (2) is connected by connector constitutes a knife silk, and the connector is connecting sleeve (3), and:
Pass through welding manner and/or tight fit mode and/or machinery between the connecting sleeve (3) and the first knife silk (1)
The mode of extruding is connected；
Pass through welding manner and/or tight fit mode and/or machinery between the connecting sleeve (3) and the second knife silk (2)
The mode of extruding is connected.
10. incision knife knife silk according to claim 1, which is characterized in that on the first knife silk (1), for connecting
The end for stating the second knife silk (2) is the first connecting pin, first connecting pin be set in the first connecting sleeve (31) and and its
It is connected；
On the second knife silk (2), the end for connecting the first knife silk (1) is second connection end, second connection
End cap is located in the second connecting sleeve (32) and is connected with it；
First connecting pin and second connecting sleeve (32) are respectively sleeved at the both ends of first connecting sleeve (31)
It is internal and connected with it, alternatively, the end of first connecting sleeve (31) and the weldering of the end of second connecting sleeve (32)
It connects connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564109.2A CN109480962B (en) | 2018-12-20 | 2018-12-20 | Cutting wire of cutting knife |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564109.2A CN109480962B (en) | 2018-12-20 | 2018-12-20 | Cutting wire of cutting knife |
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| CN109480962B CN109480962B (en) | 2021-07-23 |
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| Publication number | Publication date |
|---|---|
| CN109480962B (en) | 2021-07-23 |
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