CN101238971B - Treatment tool for endoscope - Google Patents
Treatment tool for endoscope Download PDFInfo
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- CN101238971B CN101238971B CN2008100027780A CN200810002778A CN101238971B CN 101238971 B CN101238971 B CN 101238971B CN 2008100027780 A CN2008100027780 A CN 2008100027780A CN 200810002778 A CN200810002778 A CN 200810002778A CN 101238971 B CN101238971 B CN 101238971B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2901—Details of shaft
- A61B2017/2902—Details of shaft characterized by features of the actuating rod
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2901—Details of shaft
- A61B2017/2905—Details of shaft flexible
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
- A61B2017/2929—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft with a head rotatable about the longitudinal axis of the shaft
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
- A61B2017/2929—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft with a head rotatable about the longitudinal axis of the shaft
- A61B2017/293—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft with a head rotatable about the longitudinal axis of the shaft with means preventing relative rotation between the shaft and the actuating rod
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- Biodiversity & Conservation Biology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Endoscopes (AREA)
Abstract
The invention provides an endoscope treatment tool which can simultaneously improve the rotary operability and movability of a moveable distal end portion so as to seek to simplify the operations of hands. The endoscope treatment tool includes: the moveable distal end (5) for the treatment of an organism; a first coil sheath (6) including flexibility which is composed by a single element wire (6a) being spirally wound; a second coil sheath (7) including flexibility which is composed by a plurality of element wires (7a) being spirally wound in the same direction, and is coaxially mounted outside of the first coil sheath (6) with the first coil sheath (6) or internally mounted in the first coil sheath (6); an operating wire (8) including flexibility which are shaped to extend in a long and thin manner, the distal end of the operating wire is connected to the movable distal end portion (5); the operating wire passes through the first coil sheath (6) and can move corresponding to the first coil sheath (6), for performs the extending and retracting operation of the operating wire (8); the distal end of the second coil sheath (7) is fixed to the movable distal end portion (5), and the base end of the second coil sheath (7) is fixed to the operating portion.
Description
Technical field
The present invention relates to endoscope treatment tool.
Background technology
The endoscope treatment tools such as pliers of controlling that together use with flexible endoscope have the coil jackets that is entwined by wire rod, and the preparation implement by endoscope passes passage and is inserted in the body cavity.For the leading section of endoscope treatment tool is rotated around axis, want the operating portion of switching endoscope usually with the side at hand of preparation implement.Therefore, in order to improve the rotation servo-actuated of movable frontal end area, known is that the high multi cord coil jackets of configuration rotation transitivity is as coil jackets.
At this, when as operation pliers etc., carrying out the preparation implement of opening and closing operations from operating portion draw operations line, follow the pliers sheet open and close coil jackets axially on can be compressed the power effect.At this moment, compare with the single cord coil jackets that is entwined by 1 wire rod, though rotation transitivity height, easily compression in the axial direction by the multi cord coil jackets that many wire rods are entwined.Therefore, coil jackets is compressed in the axial direction, thereby has reduced to be delivered to the axial force of leading section and can not handle fully, makes the hand operated technology become loaded down with trivial details.Therefore, proposed to dispose the endoscope treatment tool (for example, with reference to patent documentation 1) of multilamellar single cord coil jackets.
Patent documentation 1: TOHKEMY 2000-229084 communique
But because above-mentioned patent documentation 1 described endoscope treatment tool has the single cord coil jackets, therefore, though the axial resistance against compression of coil jackets is outstanding, its rotation transitivity is still good inadequately.
Summary of the invention
The present invention In view of the foregoing makes, and its purpose is, can improve the rotary manipulation of movable frontal end area and the endoscope treatment tool that action property can seek to simplify the hand operated technology simultaneously thereby provide a kind of.
In order to solve above-mentioned problem, the present invention by the following technical solutions.
Endoscope treatment tool of the present invention is characterized in that, it has: be used for movable frontal end area that organism is handled; Have flexible first coil jackets, its by 1 wire rod in the shape of a spiral shape be entwined; Have flexible second coil jackets, its by many wire rods along same direction in the shape of a spiral shape be entwined, and with above-mentioned first coil jackets be coated at coaxially first coil jackets outer or in be loaded in first coil jackets; Have flexible operating line, it slenderly extends to form and front end is connected with above-mentioned movable frontal end area, and this operating line passes from above-mentioned first coil jackets and can move with respect to above-mentioned first coil jackets; Operating portion, it is used for the operation of advancing and retreat of this operating line; The front end of above-mentioned second coil jackets is fixed in above-mentioned movable frontal end area, and the cardinal extremity of above-mentioned second coil jackets is fixed in aforesaid operations portion, and the resistance against compression of above-mentioned first coil jackets is higher than the resistance against compression of above-mentioned second coil jackets.
The present invention for the operate mobile leading section to operating portion advance and retreat operation, when making operating line mobile in the axial direction with respect to first coil jackets, even second coil jackets that front and base end side has been fixed is compressed the power effect, also can utilize by 1 wire rod in the shape of a spiral the first high coil jackets of resistance against compression that is entwined of shape relax compression to second coil jackets, thereby enough operating physical forces preferably are delivered to movable frontal end area.In addition, by many wire rods along same direction in the shape of a spiral the second high coil jackets of rotation transitivity that is entwined of shape compare with first coil jackets and be difficult for reversing, therefore, when making the movable frontal end area rotation around axis rotary manipulation portion, even first coil jackets reverses, also can obtain high rotation servo-actuated.And, because therefore the external diameter of second coil jackets, can further improve the transmission of torque of second coil jackets greater than the external diameter of first coil jackets.
In addition, endoscope treatment tool of the present invention is above-mentioned endoscope treatment tool, it is characterized in that, the front end of above-mentioned first coil jackets is connected with above-mentioned movable frontal end area and can rotates freely with respect to above-mentioned movable frontal end area, and the cardinal extremity of above-mentioned first coil jackets is connected with aforesaid operations portion and can rotates freely with respect to aforesaid operations portion.
The present invention is owing to be configured to first coil jackets can rotate freely with respect to second coil jackets, therefore, when making the movable frontal end area rotation in the central axis rotary manipulation portion of coiling sheath,, also can suppress first coil jackets and also and then reverse even second coil jackets reverses.Therefore, can keep high rotation transitivity.
In addition, endoscope treatment tool of the present invention is above-mentioned endoscope treatment tool, it is characterized in that, at least one side in the wire rod of the wire rod of above-mentioned first coil jackets and above-mentioned second coil jackets is the essentially rectangular cross section.
When the present invention compares at the coil jackets that the wire rod by approximate circular cross-section is formed with by the coil jackets that the wire rod in essentially rectangular cross section forms, under the mutually the same situation of wire rod sectional area, if the external diameter of coil jackets is identical, then pass through the width size and the short transverse size of the wire rod in adjusting essentially rectangular cross section, can change the internal diameter of coil jackets; If the internal diameter of coil jackets is identical, then pass through the width size and the short transverse size of the wire rod in adjusting essentially rectangular cross section, can change the external diameter of coil jackets.For example, the internal diameter of the coil jackets that the external diameter of the coil jackets that the external diameter that can make the coil jackets that the wire rod by the essentially rectangular cross section is entwined is entwined less than the wire rod by approximate circular cross-section, the internal diameter that perhaps makes the coil jackets that the wire rod by the essentially rectangular cross section is entwined are entwined greater than the wire rod by approximate circular cross-section.
In addition, endoscope treatment tool of the present invention is above-mentioned endoscope treatment tool, it is characterized in that, the winding direction of the winding direction of the above-mentioned first coil jackets wire rod and the above-mentioned second coil jackets wire rod is same direction.
The present invention is because the direction of rotating around axis at the winding direction of wire rod and whole winding sheath when identical, and coil jackets is understood the turning power effect that axially is subjected to of material along the line, therefore, and can be to reverse few state revolving coil sheath.
In addition, endoscope treatment tool of the present invention is above-mentioned endoscope treatment tool, it is characterized in that, the winding direction of the winding direction of the above-mentioned first coil jackets wire rod and the above-mentioned second coil jackets wire rod is rightabout each other.
The present invention since no matter towards which side to rotate the whole winding sheath around axis, all can be subjected to the turning power effect along the winding direction of the wire rod that twines towards the direction close with above-mentioned direction of rotation, therefore, can rotate the whole winding sheath to reverse few state.
Adopt the present invention, can improve the rotary manipulation and the action property of movable frontal end area simultaneously, thereby can seek to simplify the hand operated technology.
Description of drawings
Fig. 1 is the cutaway view of front of the endoscope-use pliers of expression the present invention the 1st embodiment.
Fig. 2 is the II-II profile of Fig. 1.
Fig. 3 is the cutaway view of base end side of the endoscope-use pliers of expression the present invention the 1st embodiment.
Fig. 4 is the biopsy cavity marker devices cutaway view of operating portion of the endoscope-use pliers of expression the present invention the 1st embodiment.
Fig. 5 is the cutaway view of front of the endoscope-use pliers of expression the present invention the 2nd embodiment.
Fig. 6 is the cutaway view of front of the endoscope-use pliers of expression the present invention the 3rd embodiment.
Fig. 7 is the cutaway view of front of modified example of the endoscope-use pliers of expression the present invention the 3rd embodiment.
Fig. 8 is the cutaway view of front of modified example of the endoscope-use pliers of expression the present invention the 3rd embodiment.
Fig. 9 is first coil jackets of endoscope-use pliers of expression the present invention the 4th embodiment and the synoptic diagram of second coil jackets.
Figure 10 is the cutaway view of front of modified example of the endoscope-use pliers of expression the present invention the 1st embodiment.
The specific embodiment
With reference to Fig. 1～Fig. 4 the 1st embodiment of the present invention is described.
The endoscope-use pliers (endoscope treatment tool) 1 of present embodiment has: be used for movable frontal end area 5 that organism is handled, it has a pair of pliers sheet 2A, 2B and preceding end shield 3; Have flexible first coil jackets 6, its by 1 wire rod 6a in the shape of a spiral shape be entwined; Have flexible second coil jackets 7, its by many wire rod 7a along same direction in the shape of a spiral shape be entwined, and be coated at coaxially outside first coil jackets 6 with first coil jackets 6; Have flexible operating line 8, it slenderly extends to form and front end is connected with movable frontal end area 5, and this operating line 8 passes from first coil jackets 6 and can move with respect to first coil jackets 6; Operating portion 10, it is used for operating line 8 operation of advancing and retreat.
Before end shield 3 be formed roughly cylindricly, be provided with the pivot fulcrum 11 that can rotate freely in its front, this pivot fulcrum 11 rotatably mounted mutually a pair of pliers sheet 2A, 2B.The inner peripheral surface of pro-end shield 3 base end sides is provided with step 3a, the front of first coil jackets 6 and second coil jackets 7 respectively with this step 3a tabling.
The front of first coil jackets 6 is connected with preceding end shield 3 and is fixed, and, the inner peripheral surface tabling of the through hole 12a of the protuberance 12B of the cardinal extremity of first coil jackets 6 and operating portion main body 12 and being fixed.Because first coil jackets 6 is by 1 wire rod 6a single cord coil of being entwined of shape in the shape of a spiral, therefore,, has resistance against compression even on the central axis C direction, be compressed also not yieldingly.Wire rod 6a for example is stainless steel, is formed approximate circular cross-section.
The front of second coil jackets 7 and connecting elements 18 tablings, the front end of insulation tube 17 is coated at this connecting elements 18.Be provided with pipe side engaging protuberance 17A at the cardinal extremity of insulation tube 17, this pipe side engaging protuberance 17A and the operating portion side engaging recessed part 12C that is located on the protuberance 12B of operating portion main body 12 can fasten with rotating freely.
Then, the effect to the endoscope-use pliers 1 of present embodiment describes.
Endoscope-use pliers 1 is inserted into has been inserted in advance in the endoceliac not shown endoscope processor tool passage, make movable frontal end area 5 outstanding, to carry out predetermined process from the front end of endoscope.
At this moment, when the switching direction of a pair of pliers sheet 2A, 2B and the direction that should control not shown affected part not simultaneously, need to adjust endoscope-use pliers 1 and make the two direction unanimity.Therefore, control insulation tube 17,, make the switching direction of a pair of pliers sheet 2A, 2B consistent with the direction that should control affected part around central axis C rotary manipulation portion 10.
At this moment, second coil jackets 7 is a said structure.Therefore, when with predetermined angular rotary manipulation portion 10, torque is passed to second coil jackets 7 with the state of following the angle of having rotated.And this torque further is passed to movable frontal end area 5, thereby movable frontal end area 5 is rotated with predetermined angular around central axis C.In addition, at this moment, first coil jackets 6 is and then rotation also.
When the switching direction of a pair of pliers sheet 2A, 2B with should control direction consistent after, slide unit 13 is moved towards front with respect to operating portion main body 12, thereby operating line 8 is moved towards front with respect to first coil jackets 6 and second coil jackets 7.At this moment, the front of the first operating line 8A and the second operating line 8B is away from central axis C.Therefore, a pair of pliers sheet 2A, 2B are around 11 rotations of pivot fulcrum, and a pair of pliers sheet 2A, 2B become open mode.
At this,, therefore,, also can second coil jackets 7 can not be compressed to more than the degree that needs because of the resistance against compression height of first coil jackets 6 even want second coil jackets 7 is compressed to more than the degree that needs because first coil jackets 6 is a said structure.Therefore, attended operation line 8 moves with respect to first coil jackets 6 and second coil jackets 7 and the axial force that produces has obtained inhibition to the compression of first coil jackets 6 and second coil jackets 7, thereby makes this axial force be passed to a pair of pliers sheet 2A, 2B.Thus, a pair of pliers sheet 2A, 2B rotate and closure around pivot fulcrum 11 respectively, thereby control affected part with the hold of needs.
Adopt this endoscope-use pliers 1,, make it with respect to operating portion main body 12 advance and retreat and the slide unit 13 of operating portion 10 operated, thereby operating line 8 is moved in the axial direction with respect to first coil jackets 6 for operate mobile leading section 5.At this moment, even second coil jackets 7 that front and base end side has been fixed is compressed the power effect, also can utilize by 1 wire rod 6a in the shape of a spiral the first high coil jackets 6 of resistance against compression that is entwined of shape relax compression to second coil jackets 7, thereby preferably enough operating physical forces are delivered to movable frontal end area 5.
In addition, compare with first coil jackets 6, by many wire rod 7a along same direction in the shape of a spiral the second high coil jackets 7 of rotation transitivity that is entwined of shape be difficult for reversing.Therefore, when making movable frontal end area 5 rotations around central axis C rotary manipulation portion 10,, also can obtain high rotation servo-actuated even first coil jackets 6 twists.And, because therefore the external diameter of second coil jackets 7, can further improve the transmission of torque of second coil jackets 7 greater than the external diameter of first coil jackets 6.Therefore, can improve the rotary manipulation and the action property of movable frontal end area 5 simultaneously, thereby can seek to simplify the hand operated technology.
Then, with reference to Fig. 5 the 2nd embodiment is described.
In addition, the structural element identical with above-mentioned the 1st embodiment marked identical Reference numeral and omit its explanation.
The difference of the 2nd embodiment and the 1st embodiment is, the front end of first coil jackets 6 of the endoscope-use pliers 20 of present embodiment is connected with the preceding end shield 3 of movable frontal end area 5 and can rotates freely with respect to this preceding end shield 3, and the cardinal extremity of first coil jackets 6 is connected with the protuberance 12B of the operating portion main body 12 of operating portion 10 and can rotates freely with respect to this protuberance 12B.
Effect to this endoscope-use pliers 20 describes.
When the switching direction of a pair of pliers sheet 2A, 2B and the direction that should control not shown affected part not simultaneously, need to adjust endoscope-use pliers 20 and make the two direction unanimity.Therefore, the same with the 1st embodiment, control insulation tube 17, around central axis C rotary manipulation portion 10, make the switching direction of a pair of pliers sheet 2A, 2B consistent with the direction that should control affected part.
At this moment, when operating portion 10 was rotated with predetermined angular with respect to insulation tube 17, second coil jackets 7 follows movable frontal end area 5 and operating portion 10 rotates with predetermined angular around central axis C together.On the other hand, because first coil jackets 6 does not rotate with movable frontal end area 5, therefore, second coil jackets 7 rotates relatively with respect to first coil jackets 6.
Thus, when the switching direction that makes a pair of pliers sheet 2A, 2B with should control direction consistent after, by a pair of pliers sheet 2A, 2B being carried out opening and closing operations with the 1st embodiment identical operations.
Adopt this endoscope-use pliers 20, because rotation relatively between first coil jackets 6 and second coil jackets 7, therefore, can preferably suppress discontinuous rotation, this discontinuous rotation be because of follow that anglec of rotation difference between second coil jackets 7 and first coil jackets 6 produces strained accumulate repeatedly and discharge produce.
Then, with reference to Fig. 6 the 3rd embodiment is described.
In addition, the structural element identical with above-mentioned other embodiments marked identical Reference numeral and omit its explanation.
The difference of the 3rd embodiment and the 1st embodiment is that the wire rod 31a of second coil jackets 31 of the endoscope-use pliers 30 of present embodiment is the essentially rectangular cross section.
Adopt this endoscope-use pliers 30, when second coil jackets 31 that second coil jackets 7 that forms at the wire rod 7a by approximate circular cross-section to the 1st embodiment and the wire rod 31a by the essentially rectangular cross section form compares, under the mutually the same situation of wire rod sectional area, if the coil jackets external diameter is identical, then width size and the short transverse size of the wire rod 31a by regulating the essentially rectangular cross section, the internal diameter that can make second coil jackets 31 that the wire rod 31a by the essentially rectangular cross section is entwined less than or the internal diameter of second coil jackets 7 that is entwined greater than wire rod 7a by approximate circular cross-section.
In addition, when the coil jackets diameter of above-mentioned two kinds of coil jackets and their wire rod sectional area are mutually the same, because the width size of the width size of the wire rod 31a in essentially rectangular cross section during than the wire rod 7a of approximate circular cross-section increases to some extent, therefore, can improve the rigidity of coil jackets.
In addition, as shown in Figure 7, also can be that not make the wire rod of second coil jackets 31 be that to make the wire rod 32a of first coil jackets 32 be the endoscope-use pliers 33 in essentially rectangular cross section in the essentially rectangular cross section.In addition, as shown in Figure 8, also can be to make the wire rod 31a of the wire rod 32a of first coil jackets 32 and second coil jackets 31 be the endoscope-use pliers 35 in essentially rectangular cross section.No matter the sort of situation all can realize the effect identical with present embodiment.
Then, with reference to Fig. 9 the 4th embodiment is described.
In addition, the structural element identical with above-mentioned other embodiments marked identical Reference numeral and omit its explanation.
The difference of the 4th embodiment and the 1st embodiment is, the winding direction of the winding direction of the wire rod 41a of first coil jackets 41 of the endoscope-use pliers 40 of present embodiment and the wire rod 42a of second coil jackets 42 is with respect to central axis C rightabout each other.
That is, for example, when the wire rod 41a of first coil jackets 41 twined counterclockwise with respect to central axis C, the wire rod 42a of second coil jackets 42 twined clockwise.
Adopt this endoscope-use pliers 40, since no matter towards which side to rotate the whole winding sheath around axis, the capital is subjected to the turning power effect along the winding direction of the wire rod that twines towards the direction close with above-mentioned direction of rotation, therefore, and can be to reverse few state rotation whole winding sheath.
In addition, technical scope of the present invention is not limited to above-mentioned embodiment, can carry out various changes in the scope that does not break away from purport of the present invention.
For example, in the above-described embodiment, be that first coil jackets 6 is disposed at second coil jackets 7,31 inboard, but be not limited to this, it also can be endoscope-use pliers 53 as shown in Figure 10, this endoscope-use pliers 53 is that second coil jackets 51 is disposed at the outer inboard that is with first coil jackets 50 of insulation tube 17 on the outer surface, and this second coil jackets 51 can be rotated freely with respect to first coil jackets 50, before only the front end of second coil jackets 51 being fixed on the end shield 52, and dispose the operating line 8 that freely to advance and retreat with respect to second coil jackets 51.
At this moment, make not shown operating portion when central axis C is rotated when controlling insulation tube 17, second coil jackets 51 is with respect to 50 rotations of first coil jackets.At this moment, because the inner peripheral surface of first coil jackets 50 and the outer peripheral face of second coil jackets 51 are stainless steel surfaces, therefore, the frictional force that can will produce because of the relative rotation of sheath suppresses lowlyer, thereby sheath is rotated glibly.
In addition, in the above-described embodiment, can be with the part of the contact surface between bonding first coil jackets such as laser weld and second coil jackets.At this moment, because strain, can not accumulated, be discharged to radially rotation integratedly between the coil jackets that overlaps therefore between sheath.Therefore, sheath is rotated glibly.
Claims (5)
1. endoscope treatment tool is characterized in that it has:
Be used for movable frontal end area that organism is handled;
Have flexible first coil jackets, its by 1 wire rod in the shape of a spiral shape be entwined;
Have flexible second coil jackets, its by many wire rods along same direction in the shape of a spiral shape be entwined, and be coated at coaxially on first coil jackets with above-mentioned first coil jackets or in be loaded in first coil jackets;
Have flexible operating line, it slenderly extends to form and front end is connected with above-mentioned movable frontal end area, and this operating line passes from above-mentioned first coil jackets and can move with respect to above-mentioned first coil jackets;
Operating portion, it is used for the operation of advancing and retreat of this operating line;
The front end of above-mentioned second coil jackets is fixed in above-mentioned movable frontal end area, and the cardinal extremity of above-mentioned second coil jackets is fixed in aforesaid operations portion,
The resistance against compression of above-mentioned first coil jackets is higher than the resistance against compression of above-mentioned second coil jackets.
2. endoscope treatment tool according to claim 1, it is characterized in that, the front end of above-mentioned first coil jackets is connected with above-mentioned movable frontal end area and can rotates freely with respect to above-mentioned movable frontal end area, and the cardinal extremity of above-mentioned first coil jackets is connected with aforesaid operations portion and can rotates freely with respect to aforesaid operations portion.
3. endoscope treatment tool according to claim 1 and 2 is characterized in that, at least one side in the wire rod of the wire rod of above-mentioned first coil jackets and above-mentioned second coil jackets is the essentially rectangular cross section.
4. endoscope treatment tool according to claim 1 and 2 is characterized in that, the winding direction of the winding direction of the above-mentioned first coil jackets wire rod and the above-mentioned second coil jackets wire rod is same direction.
5. endoscope treatment tool according to claim 1 and 2 is characterized in that, the winding direction of the winding direction of the above-mentioned first coil jackets wire rod and the above-mentioned second coil jackets wire rod is rightabout each other.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007029052 | 2007-02-08 | ||
| JP2007029052 | 2007-02-08 | ||
| JP2007-029052 | 2007-10-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101238971A CN101238971A (en) | 2008-08-13 |
| CN101238971B true CN101238971B (en) | 2011-05-04 |
Family
ID=39833378
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200001983U Expired - Fee Related CN201150526Y (en) | 2007-02-08 | 2008-01-21 | Treating apparatus for endoscope |
| CN2008100027780A Active CN101238971B (en) | 2007-02-08 | 2008-01-21 | Treatment tool for endoscope |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200001983U Expired - Fee Related CN201150526Y (en) | 2007-02-08 | 2008-01-21 | Treating apparatus for endoscope |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5042700B2 (en) |
| KR (1) | KR101445392B1 (en) |
| CN (2) | CN201150526Y (en) |
| DE (1) | DE602008004368D1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5042700B2 (en) * | 2007-02-08 | 2012-10-03 | オリンパスメディカルシステムズ株式会社 | Endoscopic treatment tool |
| CN102281826B (en) * | 2009-03-18 | 2013-11-06 | 奥林巴斯医疗株式会社 | Treatment device for endoscope |
| JP5439040B2 (en) * | 2009-06-02 | 2014-03-12 | Ｈｏｙａ株式会社 | Endoscopic treatment tool |
| WO2011033860A1 (en) * | 2009-09-15 | 2011-03-24 | オリンパスメディカルシステムズ株式会社 | Treatment instrument for endoscope |
| WO2012090859A1 (en) | 2010-12-28 | 2012-07-05 | オリンパスメディカルシステムズ株式会社 | Treatment instrument for endoscopes |
| US8882680B2 (en) | 2011-12-02 | 2014-11-11 | Interscope, Inc. | Insertable endoscopic instrument for tissue removal |
| US9204868B2 (en) | 2011-12-02 | 2015-12-08 | Interscope, Inc. | Methods and apparatus for removing material from within a mammalian cavity using an insertable endoscopic instrument |
| EP3260066B1 (en) * | 2013-05-17 | 2019-03-13 | Interscope, Inc. | Insertable endoscopic instrument for tissue removal |
| JP6325912B2 (en) | 2014-06-19 | 2018-05-16 | オリンパス株式会社 | Forceps device and surgical system |
| WO2017086311A1 (en) * | 2015-11-17 | 2017-05-26 | オリンパス株式会社 | Endoscope |
| CN106073838A (en) * | 2016-08-04 | 2016-11-09 | 中国人民解放军第三军医大学第三附属医院 | A kind of needle holder used under peritoneoscope |
| WO2019050025A1 (en) * | 2017-09-11 | 2019-03-14 | 住友ベークライト株式会社 | High-frequency treatment implement, high-frequency treatment implement knife, and high-frequency treatment implement tip end processing implement |
| WO2019077651A1 (en) * | 2017-10-16 | 2019-04-25 | オリンパス株式会社 | Medical device |
| CN108969026B (en) * | 2018-05-25 | 2019-06-25 | 安瑞医疗器械(杭州)有限公司 | A kind of medial forceps |
| WO2020235155A1 (en) * | 2019-05-20 | 2020-11-26 | 株式会社カネカ | Forceps for endoscope |
| JP7175396B2 (en) * | 2019-07-08 | 2022-11-18 | オリンパス株式会社 | Endoscopic treatment tool |
| KR102279917B1 (en) | 2019-11-25 | 2021-07-20 | 인제대학교 산학협력단 | Endoscope forceps unit with improved hygiene and convenience |
| KR102440444B1 (en) | 2020-12-01 | 2022-09-05 | 인제대학교 산학협력단 | Case-separated type endoscope forceps assembly |
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| US6273860B1 (en) * | 1998-05-04 | 2001-08-14 | Lsvp International, Inc. | Biopsy apparatus |
| US6443909B1 (en) * | 1999-02-09 | 2002-09-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Biopsy forceps for endoscope |
| EP1454588A2 (en) * | 2003-03-03 | 2004-09-08 | Olympus Corporation | Force transmission coil for flexible endoscopic instrument and medical treatment tool using said coil |
| CN201150526Y (en) * | 2007-02-08 | 2008-11-19 | 奥林巴斯医疗株式会社 | Treating apparatus for endoscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4526544B2 (en) * | 2007-02-08 | 2010-08-18 | オリンパスメディカルシステムズ株式会社 | Endoscopic treatment tool |
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2007
- 2007-04-27 JP JP2007119384A patent/JP5042700B2/en not_active Expired - Fee Related
-
2008
- 2008-01-21 CN CNU2008200001983U patent/CN201150526Y/en not_active Expired - Fee Related
- 2008-01-21 CN CN2008100027780A patent/CN101238971B/en active Active
- 2008-02-05 KR KR1020080011427A patent/KR101445392B1/en active IP Right Grant
- 2008-02-06 DE DE602008004368T patent/DE602008004368D1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6273860B1 (en) * | 1998-05-04 | 2001-08-14 | Lsvp International, Inc. | Biopsy apparatus |
| US6443909B1 (en) * | 1999-02-09 | 2002-09-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Biopsy forceps for endoscope |
| EP1454588A2 (en) * | 2003-03-03 | 2004-09-08 | Olympus Corporation | Force transmission coil for flexible endoscopic instrument and medical treatment tool using said coil |
| CN201150526Y (en) * | 2007-02-08 | 2008-11-19 | 奥林巴斯医疗株式会社 | Treating apparatus for endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080074759A (en) | 2008-08-13 |
| KR101445392B1 (en) | 2014-09-26 |
| CN201150526Y (en) | 2008-11-19 |
| CN101238971A (en) | 2008-08-13 |
| DE602008004368D1 (en) | 2011-02-24 |
| JP2008212620A (en) | 2008-09-18 |
| JP5042700B2 (en) | 2012-10-03 |
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