CN109363748A - A kind of incision knife head end and its manufacturing method and a kind of papillotome - Google Patents
A kind of incision knife head end and its manufacturing method and a kind of papillotome Download PDFInfo
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- CN109363748A CN109363748A CN201811565294.7A CN201811565294A CN109363748A CN 109363748 A CN109363748 A CN 109363748A CN 201811565294 A CN201811565294 A CN 201811565294A CN 109363748 A CN109363748 A CN 109363748A
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- knife
- head end
- silk
- sheath
- incision
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 7
- 238000002788 crimping Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 238000007463 endoscopic sphincterotomy Methods 0.000 description 5
- 230000002183 duodenal effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 210000002445 nipple Anatomy 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920000965 Duroplast Polymers 0.000 description 2
- 238000007459 endoscopic retrograde cholangiopancreatography Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000551708 Lamprolia victoriae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000005070 sphincter Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
-
- 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
- A61B2017/00526—Methods of manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00902—Material properties transparent or translucent
- A61B2017/00915—Material properties transparent or translucent for radioactive radiation
- A61B2017/0092—Material properties transparent or translucent for radioactive radiation for X-rays
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of incision knife head end and its manufacturing methods and a kind of papillotome for being provided with the incision knife head end.In the incision knife head end, head end connector is located in sheath knife silk chamber, and both ends are clamped with the two sides for the head end knife wire hole being arranged in sheath respectively；Knife silk and head end connector are connected and are stretched out by head end knife wire hole.When knife silk enemy's end connection generates pulling force, sheath will the both ends of correct end connection generate pressure.To which the present invention does not need not only that head end connector is enabled to be interference fitted in the knife silk chamber of sheath during the manufacturing, and the assembling of head end connector and sheath can be realized by simple operations, simplify difficulty of processing, save processing cost；But also the problem of can be avoided sheath bending problem in the prior art and knife silk head end in the prior art abjection, achieve the purpose that improve the stable connection and security reliability between knife silk and sheath.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of incision knife head end and its manufacturing method, and it is a kind of
It is provided with the papillotome of the incision knife head end.
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 show through Endoscopic Sphincterotomy of Duodenal Papilla Attached art
It is intended to.
As it can be seen that the incision knife head end of papillotome includes sheath 2 and knife silk 1, sheath 2 and knife silk 1 constitute structure of pulling the bow.
In use, incision knife head end is lifted by pulling handle to pull knife silk tail end, and to be inserted into nipple, knife silk 1 and nipple
Tissue contact, is cut using high-frequency electrical.
Papillotome in the prior art, fixing means of the knife silk head end in the knife silk chamber of sheath 2 is usually:
Knife silk head end is burn-on a metal tube 30, is interference fitted between metal tube 30 and knife silk chamber.
Also, scheme that there are mainly two types of for fixation position of the metal tube 30 in the knife silk chamber of sheath 2:
Scheme one, the metal tube 30 on knife silk head end are located at the knife wire hole front position of sheath 2, the knife silk chamber with sheath 2
It is interference fitted (please referring to Fig. 2)；
Scheme two: the metal tube 30 on knife silk head end is located at the knife wire hole back-end location of sheath 2, the knife silk chamber with sheath 2
It is interference fitted (please referring to Fig. 3).
In above scheme one, it is fixedly connected between metal tube 30 and knife silk chamber by the frictional force that interference fit generates, by
In knife wire hole aperture size there are deviation, for incision knife head end after repeatedly pulling the bow, metal tube 30 has the case deviate from from knife wire hole
Occur；
In above scheme two, the incision knife head end in actual product is after repeatedly pulling the bow, 1 pair of metal of knife silk when due to pulling the bow
The decomposable biggish overturning component F out of the pulling force F that pipe 30 generates2, so that sheath 2 be enabled to be easy the front position institute in metal tube 30
Bending damage occurs at place.
Therefore, how to guarantee the knife silk in papillotome and stable connection and security reliability between sheath, be
Those skilled in the art's technical problem urgently to be resolved at present.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of incision knife head ends and its manufacturing method and one kind to be provided with
The papillotome of the incision knife head end can guarantee the knife silk in papillotome and stable connection and peace between sheath
Full reliability.
To achieve the above object, the invention provides the following technical scheme:
A kind of incision knife head end, including sheath, knife silk and head end connector, in which:
Knife silk chamber and head end knife wire hole are provided in the sheath, the head end connector is located in the knife silk chamber, institute
State knife silk across the head end knife wire hole and with the head end connector be connected, the both ends of the head end connector respectively with it is described
The two sides of head end knife wire hole are clamped.
Preferably, in above-mentioned incision knife head end, lateral incision slot, the knife are provided on the side wall of the head end connector
Silk is protruded into the head end connector by the lateral incision slot and is connected with it.
Preferably, in above-mentioned incision knife head end, one end of the head end connector is the connection ontology of tubulose, the other end
For the cutting pipe with the lateral incision slot, the knife silk from protruded into the lateral incision slot in the connection ontology and with it is solid
Even.
Preferably, in above-mentioned incision knife head end, the cutting pipe of the head end connector is process by Cutting Process.
Preferably, in above-mentioned incision knife head end, by crimping or welding between the knife silk and the head end connector
Mode be connected.
Preferably, in above-mentioned incision knife head end, it is additionally provided with rear end connector in the knife silk chamber, is gone back in the sheath
It is provided with rear end knife wire hole, after the knife silk passes through the rear end connector, is stretched out from the rear end knife wire hole.
Preferably, in above-mentioned incision knife head end, developing material is provided on the head end connector or by having development
The material of function is made, and/or, developing material is provided on the rear end connector or by the material with developing function
It is made.
A kind of papillotome is provided with incision knife head end as described above.
A kind of incision knife head end manufacturing method, comprising:
Knife silk enters the knife silk chamber of sheath after passing through the head end knife wire hole in sheath, and stretches out from the top of the sheath；
The knife silk stretched out from the knife silk chamber is connected with the head end connector；
The knife silk ribbon the head end connector from the top of sheath to return to the knife silk intracavitary, until the head end
The both ends of connector are clamped with the two sides of the head end knife wire hole respectively.
Preferably, in above-mentioned incision knife head end manufacturing method, one end of the head end connector is the connection sheet of tubulose
Body, the other end are the cutting pipe with lateral incision slot, the knife silk from being protruded into the lateral incision slot in the connection ontology and
It is connected with it.
It can be seen from the above technical proposal that incision knife head end provided by the invention and its manufacturing method and one kind are provided with
In the papillotome of the incision knife head end, due to the both ends two sides with the head end knife wire hole in sheath respectively of head end connector
Clamping, thus, when knife silk enemy's end connection generates pulling force, sheath will the both ends of correct end connection generate pressure.
To not need not only that head end connector is enabled to be interference fitted in the knife silk chamber of sheath during the manufacturing, by simple
The assembling of head end connector and sheath can be realized in operation, simplifies difficulty of processing, saves processing cost；But also it can keep away
The problem of exempting from sheath bending problem in the prior art and knife silk head end in the prior art abjection, reaches and improves knife silk and sheath
The purpose of stable connection and security reliability between pipe.
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 through Endoscopic Sphincterotomy of Duodenal Papilla Attached art schematic diagram；
Fig. 2 is the structural schematic diagram of the incision knife head end in prior art one；
Fig. 3 is the knife silk pulling force decomposition diagram in the incision knife head end in prior art two；
Fig. 4 is the structural schematic diagram of incision knife head end provided in an embodiment of the present invention；
Attachment structure schematic diagram of the Fig. 5 between knife silk head end provided in an embodiment of the present invention and head end connector.
Wherein:
1- knife silk, 2- sheath, 4- rear end connector,
30- head end connector in the prior art, 31- the present invention in head end connector,
The connection ontology of head end connector in the 311- present invention,
The cutting pipe of head end connector in the 312- present invention.
Specific embodiment
The invention discloses a kind of incision knife head end and its manufacturing methods and a kind of nipple for being provided with the incision knife head end
Incision knife can guarantee the knife silk in papillotome and stable connection and security reliability between sheath.
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.
Fig. 1, Fig. 4 and Fig. 5 are please referred to, Fig. 1 is through Endoscopic Sphincterotomy of Duodenal Papilla Attached art schematic diagram, and Fig. 4 is the present invention
The structural schematic diagram for the incision knife head end that embodiment provides, Fig. 5 are that knife silk head end provided in an embodiment of the present invention is connected with head end
Attachment structure schematic diagram between part.
Incision knife head end provided in an embodiment of the present invention, including sheath 2, knife silk 1 and head end connector 31, in which:
Knife silk chamber and head end knife wire hole are provided in sheath 2, knife silk 1 passes through head end knife wire hole and consolidates with head end connector 31
Even, head end connector 31 is located in knife silk chamber, and the both ends of head end connector 31 are clamped with the two sides of head end knife wire hole respectively.
Preferably, lateral incision slot is provided on the side wall of head end connector 31, the knife silk head end of knife silk 1 passes through the lateral incision
Slot is protruded into head end connector 31 and is connected with it, and the knife silk ontology of knife silk 1 is stretched out by lateral incision slot and head end knife wire hole.But
It is that the attachment of knife silk 1 and head end connector 31 is not limited thereto, can also be that knife silk 1 is directly wound in head end connection
It is connected on part 31 and with it, alternatively, knife silk 1 is affixed to head end connector 31 by modes such as welding, clamping, mechanical crimps
On.The present invention is not especially limited this.
It should be noted that:
Above-mentioned " knife silk head end " specifically refers to the knife silk part connecting on knife silk 1 with head end connector 31, if knife silk end
It is connect with head end connector 31, then the knife silk end is exactly " knife silk head end "；If still having after 1 connector end connection 31 of knife silk
Surplus, alternatively, after 1 connector end connection 31 of knife silk, except the even knife silk chamber of knife silk end stretched head end connection 31, then
The balance of the knife silk part and its stretching that connect on knife silk 1 with head end connector 31 is referred to as " knife silk head end "；
Above-mentioned " protruding into " and " stretching " are descriptive words；
The length of head end connector 31 is greater than the length of head end knife wire hole in sheath 2, and (length refers to through-hole in sheath 2
Axis direction on shared length), so as to enable the both ends of head end connector 31 respectively with the head end knife wire hole in sheath 2
Two sides clamping, and it should be noted that described " head end knife wire hole " and " rear end knife wire hole " is preferably arranged to herein
Circular hole (aperture that above-mentioned at this time " length " specifically refers to circular hole), but be not limited to that this, " head end knife wire hole " and " rear end knife
Wire hole " may also be configured to slotted eye, square hole or other shapes of through-hole, the present invention and is not especially limited (at this time to this
Stating " length " is through-hole length distance shared on the axis direction of sheath 2)；
Lateral incision slot after the both ends of head end connector 31 are clamped with the two sides of head end knife wire hole respectively, on head end connector 31
Hole at least partly aperture is corresponding with head end knife wire hole position, in order to the stretching of knife silk 1；
On head end connector 31, other than two ends being clamped with the head end knife wire hole of sheath 2, referred to as head end is connected
The interlude of part 31.The knife silk head end of knife silk 1 connect with head end connector 31, the both ends of head end connector 31 respectively with head end knife
After the two sides clamping of wire hole, the knife silk ontology of knife silk 1 is from the beginning on the lateral incision slot and sheath 2 on the interlude of end connection 31
Head end knife wire hole is stretched out.Thus, it is possible to guarantee, head end connector 31 is after the pulling force by knife silk 1, the two of head end connector 31
The knife silk that end can be fixed on sheath 2 is intracavitary.
It can be seen from the above technical proposal that in incision knife head end provided in an embodiment of the present invention, due to head end connector
31 both ends are clamped with the two sides of the head end knife wire hole in sheath 2 respectively, thus, when the correct end connection 31 of knife silk 1 generates drawing
When power F, sheath 2 will the both ends of correct end connection 31 generate pressure (see the F in Fig. 43And F4).To not only produce
It does not need that head end connector 31 is enabled to be interference fitted in the knife silk chamber of sheath 2 in manufacturing process, can be realized by simple operations
The assembling of head end connector 31 and sheath 2 simplifies difficulty of processing, saves processing cost；But also it can be avoided existing skill
The problem of sheath bending problem and knife silk head end in the prior art in art are deviate from, reaches and improves between knife silk and sheath
The purpose of stable connection and security reliability.
In a particular embodiment, the material of sheath 2 is medical grade polytetrafluoroethylene (PTFE) (PTFE) composition, and the top of sheath 2 is
Tapered configuration.Preferably, the top end diameter of sheath 2 is 1.9mm, and the intermediate pipeline section diameter of sheath 2 is 2.5mm.
As shown in figure 5, in a particular embodiment, one end of head end connector 31 is the connection ontology 311 of tubulose, the other end
For the cutting pipe 312 with lateral incision slot.The knife silk head end of knife silk 1 from protruded into lateral incision slot connection ontology 311 in and and its
It is connected.
Preferably, head end connector 31 is made by integrated metal pipe by Cutting Process.Specifically, the skiver
Skill are as follows: metal tube one end along central axis or is parallel to central axis progress longitudinally cutting, cutting to conjunction by Cutting Process
After suitable length, transverse cross sectional, to process the lateral incision slot on cutting pipe 312.
Preferably, it is connected by way of metal crimp or welding between the knife silk head end of knife silk 1 and connection ontology 311.
But be not limited to that this, in other specific embodiments, head end connector 31 can also be using energy such as duroplasts
The material that enough and knife silk is fixedly connected；Moreover, the lateral incision slot on head end connector 31, can be and added by Cutting Process
Work obtains, and is also possible to hole knockout and obtains, or can also be and pass through mold injection when starting and producing head end connector 31
Or pouring molding obtains.Those skilled in the art can be embodied according to the actual situation, and the present invention does not make this specifically
It limits.
In a particular embodiment, 1 structure of the sheath tube portion between the head end knife wire hole in sheath 2 and rear end knife wire hole and knife silk
At structure of pulling the bow.
Further, as shown in figure 4, in the knife silk chamber of sheath 2, rear end is provided with rear end knife wire hole, the rear end
The rear end of knife wire hole is additionally provided with rear end connector 4.The rear end of knife silk 1 and rear end connector 4 are connected, the knife silk ontology of knife silk 1
Stretched out from the rear end knife wire hole in sheath 2, by rear end connector can to avoid because knife silk back and forth extensional motion to cutting
Cut sheath 2.
Specifically, rear end connector 4 is fixed in the knife silk chamber of sheath 2 by way of interference fit.
Preferably, head end connector 31 and/or rear end connector 4 are metal tube.It is further preferable that head end connector 31
And/or be provided with developing material on rear end connector 4 or be made by the material with developing function, thus in x-ray radiography
When can develop, surgery location and lesion size can be judged in order to doctor.
To sum up, the specific embodiment of the invention additionally provides a kind of papillotome, which is provided with as above
Described in incision knife head end.
In addition, the specific embodiment of the invention additionally provide it is a kind of for manufacturing the manufacture of the above incision knife head end
Method, this method comprises:
After the knife silk head end of knife silk 1 passes through rear end connector 4, it is pierced by from the rear end knife wire hole of sheath 2；
Knife silk 1 is penetrated from the head end knife wire hole of sheath 2, in knife silk 1 between rear end knife wire hole and head end knife wire hole
Position is the cutter hub position of incision knife；
Knife silk 1 pass through sheath 2 on head end knife wire hole after enter sheath 2 knife silk chamber, and along the knife silk chamber of sheath 2 from
The top of sheath 2 is stretched out；
Out of, the knife silk head end stretched out in knife silk chamber protrudes into head end connector 31 lateral incision slot, will make its with connect ontology
311 are connected；
Preferably, it is connected by way of metal crimp or welding between the knife silk head end of knife silk 1 and connection ontology 311,
But be not limited to that this, it is also possible that connection ontology 311 head end position by way of welding or crimping with knife silk 1
It is connected, alternatively, be connected by way of welding or crimping with knife silk 1 in the rear end position lateral incision slot of connection ontology 311, or
Person, in other specific embodiments, what head end connector 31 can also can be fixedly connected using duroplasts etc. with knife silk
Material；
After the completion of connection, knife silk head end retracts the knife silk for being inserted into sheath 2 with head end connector 31 from the top of sheath 2
In chamber, until knife silk 1 knife silk ontology stretch out head end knife wire hole outside, and the both ends of head end connector 31 respectively with head end knife silk
The two sides in hole are clamped.
Preferably, in above-mentioned incision knife head end manufacturing method, one end of head end connector 31 is the connection ontology of tubulose
311, the other end is the cutting pipe 312 with lateral incision slot, and the knife silk head end of knife silk 1 is from the lateral incision slot on cutting pipe 312
It protrudes into connection ontology 311 and is connected with it.
In a particular embodiment, knife silk 1 described herein is the twisted form of single knife silk form or more knife silks,
It should be noted that the knife silk can be steel wire, copper wire, aluminium wire, filamentary silver etc., the present invention is not especially limited this.
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 head end, which is characterized in that including sheath (2), knife silk (1) and head end connector (31), in which:
Knife silk chamber and head end knife wire hole are provided on the sheath (2), the head end connector (31) is located in the knife silk chamber,
The knife silk (1) passes through the head end knife wire hole and is connected with the head end connector (31), the head end connector (31)
Both ends are clamped with the two sides of the head end knife wire hole respectively.
2. incision knife head end according to claim 1, which is characterized in that be arranged on the side wall of the head end connector (31)
There is lateral incision slot, the knife silk (1) is protruded into the head end connector (31) by the lateral incision slot and is connected with it.
3. incision knife head end according to claim 2, which is characterized in that one end of the head end connector (31) is tubulose
Connection ontology (311), the other end is the cutting pipe (312) with the lateral incision slot, and the knife silk (1) is from the lateral incision slot
It protrudes into hole in the connection ontology (311) and is connected with it.
4. incision knife head end according to claim 3, which is characterized in that the cutting pipe of the head end connector (31)
(312) it is process by Cutting Process.
5. incision knife head end according to any one of claims 1 to 4, which is characterized in that the knife silk (1) and the head end
It is connected by way of crimping or welding between connector (31).
6. incision knife head end according to any one of claims 1 to 4, which is characterized in that the incision knife head end further includes
Rear end connector (4) in the knife silk chamber is additionally provided with rear end knife wire hole on the sheath (2), and the knife silk (1) is worn
After crossing the rear end connector (4), stretched out from the rear end knife wire hole.
7. incision knife head end according to claim 6, which is characterized in that be provided with development on the head end connector (31)
Material is made by the material with developing function, and/or, be provided on the rear end connector (4) developing material or
It is made by the material with developing function.
8. a kind of papillotome, which is characterized in that be provided with incision knife head end as described in any one of claim 1 to 7.
9. a kind of incision knife head end manufacturing method characterized by comprising
The knife silk head end of knife silk (1) pass through sheath (2) on head end knife wire hole after enter the sheath (2) knife silk chamber, and from
The top of the sheath (2) is stretched out；
The knife silk (1) stretched out from the knife silk chamber and the head end connector (31) are connected；
The knife silk (1) with the head end connector (31) returns to the knife silk from the top of sheath (2) intracavitary, Zhi Daosuo
The both ends for stating head end connector (31) are clamped with the two sides of the head end knife wire hole respectively.
10. incision knife head end manufacturing method according to claim 9, which is characterized in that the head end connector (31)
One end is the connection ontology (311) of tubulose, and the other end is the cutting pipe (312) with lateral incision slot, and the knife silk (1) is from described
It protrudes into lateral incision slot in the connection ontology (311) and is connected with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565294.7A CN109363748A (en) | 2018-12-20 | 2018-12-20 | A kind of incision knife head end and its manufacturing method and a kind of papillotome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565294.7A CN109363748A (en) | 2018-12-20 | 2018-12-20 | A kind of incision knife head end and its manufacturing method and a kind of papillotome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109363748A true CN109363748A (en) | 2019-02-22 |
Family
ID=65370995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811565294.7A Pending CN109363748A (en) | 2018-12-20 | 2018-12-20 | A kind of incision knife head end and its manufacturing method and a kind of papillotome |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109363748A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000262537A (en) * | 1999-03-16 | 2000-09-26 | Olympus Optical Co Ltd | Operative instrument for endoscope |
| US20030208219A1 (en) * | 2001-05-18 | 2003-11-06 | Aznoian Harold M. | Steerable biliary catheter |
| CN209377685U (en) * | 2018-12-20 | 2019-09-13 | 深圳开立生物医疗科技股份有限公司 | A kind of incision knife head end and a kind of papillotome |
-
2018
- 2018-12-20 CN CN201811565294.7A patent/CN109363748A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000262537A (en) * | 1999-03-16 | 2000-09-26 | Olympus Optical Co Ltd | Operative instrument for endoscope |
| US20030208219A1 (en) * | 2001-05-18 | 2003-11-06 | Aznoian Harold M. | Steerable biliary catheter |
| CN209377685U (en) * | 2018-12-20 | 2019-09-13 | 深圳开立生物医疗科技股份有限公司 | A kind of incision knife head end and a kind of papillotome |
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