CN110236669A - A kind of linkage structure of endoscopic instrument - Google Patents
A kind of linkage structure of endoscopic instrument Download PDFInfo
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- CN110236669A CN110236669A CN201910452082.6A CN201910452082A CN110236669A CN 110236669 A CN110236669 A CN 110236669A CN 201910452082 A CN201910452082 A CN 201910452082A CN 110236669 A CN110236669 A CN 110236669A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
- A61M31/002—Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/0091—Handpieces of the surgical instrument or device
- A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/0091—Handpieces of the surgical instrument or device
- A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
- A61B2018/00958—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device for switching between different working modes of the main function
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
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- Surgery (AREA)
- General Health & Medical Sciences (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Otolaryngology (AREA)
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- Bioinformatics & Cheminformatics (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Medicinal Chemistry (AREA)
- Surgical Instruments (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a kind of linkage structures of endoscopic instrument, including handle portion, sheath, diversion pipe, traction fiber, cutter and injection needle；Handle portion includes first handle, second handle, injection-tube and electrode tube, setting electrode tube and injection-tube in the handle side cover of handle portion；The front end of handle side cover is additionally provided with end cap, and electrode is fixed in end cap, and electrode tube and/or traction fiber run through end cap, and electrode contacts conduction with electrode tube and/or traction fiber by brush；Diversion pipe is extended through the handle and is fixedly connected with injection handle, and injection handle is moved forward and backward that diversion pipe is driven to be moved forward and backward.Electrode is fixed in the end cap of handle portion front end, simultaneously, the rear end of handle portion is arranged in the injection port of injection-tube, and driven member is without other connection bring loads, the part held when so can sufficiently avoid instrument use, the interference to operator is reduced, the movement load of instrument mechanism is reduced, to reduce the difficulty of technique realization.
Description
Technical field
The present invention relates to a kind of multi-functional linkage structures for instrument under scope, more specifically, it relates in one kind
The linkage structure of endoscopic tools.
Background technique
Recently as the development of endoscopic technic, the biopsy of scope undertissue, endoscopic inferior mucosa resection, endoscopic inferior mucosa stripping
It is widely used from art, to the discovery of hemorrhage of digestive tract, narrow, polypectomy and alimentary canal morning cancer, diagnoses and control
Treatment plays key effect.Common instrument is mainly unifunctional high-frequency electrical cutting device, unifunctional electricity currently on the market
Blood coagulation instrument, unifunctional endoscopic hemostasis instrument；Small part producer provides cutting and cuts instrument in conjunction with coagulation blood, and
What few producer provided integrates instrument of the electroblation in conjunction with function of injection.However the latter often uses the movement of different function
The mode that part controls respectively, the fussy degree for so not only causing doctor in operation increase, also result in due to misoperation
The accident of appearance, such as: when electroblation, accidentally releasing injection needle；Or when injection, electric knife is released accidentally.
A kind of combination electric knife of Hangzhou An Jiesi medical science and technology Co., Ltd, Patent No.: CN104055572A is disclosed
A kind of cylindrical type combination high frequency surgical instrument.It is not related to combining function of injection.
A kind of endoscope-use high-frequency knife of Shanghai Elton Medical Devices Co., Ltd., Patent No.:
CN203861344U discloses a kind of endoscope-use high-frequency knife.It is not related to combining function of injection.
A kind of endoscope-use high-frequency knife of Shanghai Elton Medical Devices Co., Ltd., Patent No.:
CN201420273038.1 discloses the endoscope-use high-frequency knife that flushing hole is equipped in a kind of cutter head.
A kind of combination electric knife of Hangzhou An Jiesi medical science and technology Co., Ltd, Patent No.: CN201410281645.7, it is public
A kind of combination electric knife is opened, cutter head portion includes at least two or more than two cutter heads that can be relatively moved or rotate each other.
The patent KR101830085B1 of UPEX MED company relates to the Multifunction apparatus of a kind of individual gears or single-skin drum band connection
Tool.Its emphasis is the special designing in instrument distal end multi-functional opening, furthermore its electrode and injection interface be respectively positioned on movement parts it
On, it so will lead to and encounter promotion/excessive difficulty of pulling resistance and operator doing because of interface connector in product realization
Disturbing influences surgical action or haves no alternative but the problem of interrupting normal surgical movement and adjusting posture.Furthermore individual gears and list in the design
The connection of belt is so that the difficult situation of poor Baoan Member cooperation occurs in stroke needed for different function.
Summary of the invention
In view of the deficienciess of the prior art, being reduced the invention reside in a kind of linkage structure of endoscopic instrument is provided
The moving loads of apparatus structure, avoid electrode and injection interface is located on movement parts the interference caused to operator.
To achieve the above object, the present invention provides the following technical scheme that a kind of linkage structure of endoscopic instrument, including
Handle portion, sheath, diversion pipe, traction fiber, cutter and injection needle；Handle portion include first handle, second handle, injection-tube with
And electrode tube；
First handle and second handle are slidably connected, and setting is able to carry out the electrode tube and note of back-and-forth motion in second handle
It penetrates pipe, electrode tube and injection-tube and transmission connection is realized by transmission component, pass through transmission group when injection-tube moves forwards or backwards
Part drives electrode tube to move to the direction opposite with the injection-tube direction of motion；
The rear end of sheath is fixedly connected with second handle, and diversion pipe and traction fiber extend through sheath；The front end of traction fiber
Cutter are fixed with, the electrode tube connection in the rear end and handle portion of traction fiber is cut by being moved forward and backward electrode tube to drive
Cutter is extended and retracted from sheath front end；Diversion pipe is fixedly arranged at the front end with injection needle, the note in the rear end and handle portion of diversion pipe
Pipe connection is penetrated, by being moved forward and backward injection-tube to drive injection needle to extend and retract from sheath front end；
The front end of second handle is equipped with end cap, and electrode is fixed in end cap, and electrode tube and/or traction fiber run through end cap, electricity
Pole contacts conduction with electrode tube and/or traction fiber by brush；Injection-tube is fixedly connected through second handle and with first handle,
First handle is moved forward and backward that injection-tube and diversion pipe is driven to be moved forward and backward.
In this way, electrode is fixed in the end cap of handle portion front end, meanwhile, after handle portion is arranged in the injection port of injection-tube
End, and driven member injection-tube and electrode tube are held when so can sufficiently avoid instrument use without other connection bring loads
Part reduces interference to operator, and reduces the movement load of instrument mechanism, thus reduce technique realization difficulty and
The extra demand of Material Strength.
Preferably, the second handle includes handle main body and handle side cover, the end is arranged in the front end of handle side cover
Cap, by being clamped, being interference fitted or be threadedly coupled, the rear end fixed handle of handle side cover between end cap and the handle side cover
Main body, rear end and the first handle sleeve of handle main body are slidably connected, and first handle is equipped with injection connector, the transmission component
It is mounted in handle side cover.This spline structure is simple, facilitates surgical procedure.
Preferably, the transmission component includes the first braces and the second braces, it is all provided on the first braces and the second braces
There is bar shaped tooth, and the first braces and the second braces are slidably arranged in handle side cover, injection-tube is fixedly connected with the first braces, electricity
Pole pipe is fixedly connected with the second braces, is connected between the first braces and the second braces by gear drive.
Preferably, being sequentially connected between the first braces and the second braces by gear set, which includes at least two
A gear moves electrode tube and injection-tube round about by the transmission effect of gear set.
When pushing first handle, drive second handle in injection-tube and the first braces move forward, by with injection
The connected diversion pipe of pipe pushes injection needle to stretch out sheath front end；The first braces drives the gear on gear set by bar shaped tooth simultaneously
Rotation, gear drive the second braces to pull back, to pull cutter to retract sheath depth backward by electrode tube, traction fiber
Place completes function of injection status ready at this time, can carry out the liquid such as physiological saline, hemostat by the injection-tube of first handle end
The injection of body.If you need to use electric cutting function then can be by pulling first handle to complete corresponding actions.In this way, the structure passes through tooth
The advance and retreat speed of injection needle and cutter can be adjusted in wheel group, facilitate surgical procedure.Function is cut in liquid injection and cutting
The counter motion for realizing each functional component between energy by the linkage of transmission component, can completely eliminate function of awaiting orders with this first
Accidental activation, avoid causing patient unexpected injury or surgical procedure interfered；A kind of function part may be implemented in next
The movement of part carrys out while controlling the movement of difunctional component, reduces the unnecessary operation in doctor's operation, improves procedure efficiency
Preferably, the gear set includes the first gear and second gear rotated coaxially, first gear and the first tooth
Rack gear on frame is meshed, and second gear is meshed with the rack gear on the second braces.
When pushing first handle, drive second handle in injection-tube and the first braces move forward, by with injection
The connected diversion pipe of pipe pushes injection needle to stretch out sheath front end；The first braces drives first on gear set by bar shaped tooth simultaneously
Gear rotation, first gear drive second gear rotation, and second gear drives the second braces to pull back, to pass through electrode
Pipe, traction fiber pull cutter to retract sheath depths backward, complete function of injection status ready at this time.If you need to use cutting to cut function
Then corresponding actions can be completed by pulling first handle.
Preferably, first gear is fixedly connected with second gear by connecting shaft, connecting shaft is rotatably installed
In second handle.
Preferably, the outer diameter of the first gear is greater than the outer diameter of the second gear.Thus it is possible, on the one hand, passing through tune
The outer diameter of first gear and second gear is saved, and then the advance and retreat speed of injection needle and cutter can be adjusted, hand is facilitated
Art operation；On the other hand, the first braces and the second braces can be made to maintain a certain distance, avoid the first braces and the second braces
At a distance of relatively closely rubbing, the first braces and the relative motion of the second braces is made to be obstructed.
Preferably, first braces and second braces are sliding by way of guide rail, guide groove or guide rod
It is dynamic to be arranged in second handle.
Preferably, the cutter and injection needle are disposed in parallel in the front end of sheath.
Preferably, the injection needle runs through the cutter.
In conclusion the invention has the following advantages: electrode is fixed in the end cap of handle portion front end, meanwhile, note
The rear end of handle portion is arranged in the injection port for penetrating pipe, and driven member injection-tube and electrode tube are loaded without other connection brings, such as
This can sufficiently avoid the part held when instrument use, reduce the interference to operator, and reduce the movement of instrument mechanism
Load, to reduce the extra demand of the difficulty and Material Strength of technique realization.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is cross section structure schematic diagram of the invention；
Fig. 3 is another cross section structure schematic diagram of the invention；
Fig. 4 is the cross section structure schematic diagram in Fig. 1 along the direction A-A；
Fig. 5 is the cross section structure schematic diagram that injection needle of the invention and cutter assemble；
Fig. 6 is the cross section structure schematic diagram of injection needle of the invention and cutter another kind assembly method.
Appended drawing reference: 1, first handle；2, handle main body；3, handle side cover；4, end cap；5, the first braces；6, the second tooth
Frame；7, gear set；8, injection-tube；9, electrode tube；10, sheath；12, injection needle；13, cutter；14, head end cap；15, electrode；
16, first gear；17, second gear；18, connecting shaft.
Specific embodiment
Referring to attached drawing, the present invention will be further described.
Present embodiment discloses a kind of linkage structures of endoscopic instrument, as shown in Figure 1, Figure 2 and shown in Fig. 5, including handle portion,
Sheath 10, diversion pipe, traction fiber, cutter 13 and injection needle 12；Handle portion includes first handle 1, second handle, injection-tube 8
With electrode tube 9.
As shown in Figure 2, Figure 5 and Figure 6, sheath 10 is fixedly arranged at the front end with head end cap 14, the rear end of sheath 10 and second handle
It is fixedly connected, diversion pipe and traction fiber has been extended through in sheath 10, traction fiber is fixedly arranged at the front end with cutter 13, traction fiber
Rear end is connect with the electrode tube 9 in second handle, by being moved forward and backward electrode tube 9 to drive cutter 13 to stretch from head end cap 14
Out and retract；Diversion pipe is fixedly arranged at the front end with injection needle 12, and the injection-tube 8 in the rear end and second handle of diversion pipe connects, and leads to
Back-and-forth motion injection-tube 8 is crossed to drive injection needle 12 to extend and retract from head end cap 14；Cutter 13 and injection needle 12 are arranged side by side
The front end of sheath 10 is set, alternatively, injection needle 12 runs through cutter 13.
First handle 1 and second handle are slidably connected, and second handle includes handle main body 2 and handle side cover (3), handle side
End cap 4 is arranged in the front end of lid 3, by clamping, interference fit or is threadedly coupled between end cap 4 and handle side cover 3, end cap 4 and
Sheath 10 is fixedly connected, the rear end fixed handle main body 2 of handle side cover 3, and the rear end of handle main body 2 and 1 sleeve of first handle are sliding
Dynamic connection, first handle 1 are equipped with injection connector.As shown in Figure 2 and Figure 5, be fixed with electrode 15 in end cap 4, electrode tube 9 and/
Or traction fiber runs through end cap 4, electrode 15 contacts conduction with electrode tube 9 and/or traction fiber by brush.Cutter 13 pass through traction
Silk is connect with the electrode 15 of second handle, and high-frequency electrical is connect can be such that cutter 13 charge on electrode 15, can be passed through in operation
High frequency cutting excision lesion.Setting is able to carry out the electrode tube 9 and injection-tube 8 of back-and-forth motion in the handle side cover 3 of second handle,
Injection-tube 8 is fixedly connected through second handle and with first handle 1, and first handle 1 carries out being moved forward and backward to drive injection-tube 8
It is moved forward and backward with diversion pipe, diversion pipe drives injection needle 12 to extend and retract from head end cap 14, and 1 rear end of first handle is equipped with injection
Syringe is connected to injection connector by connector, liquid is transported to diversion pipe by injection-tube 8, then pass through mobile first handle 1
It drives injection needle 12 to be moved forward and backward, can clinically carry out the injection of the liquid such as physiological saline, hemostat.In this way, electrode 15
It is fixed in the end cap 4 of handle portion front end, meanwhile, the rear end of handle portion is arranged in the injection port of injection-tube 8, and driven member is injected
Without other connection bring loads, the part held when so can sufficiently avoid instrument use is reduced to behaviour for pipe 8 and electrode tube 9
The interference of author, and the movement load of instrument mechanism is reduced, to reduce the difficulty of technique realization and the volume of Material Strength
Outer requirement.
As shown in Fig. 3, Fig. 4 and Fig. 5, electrode tube 9 and injection-tube 8 are to realize transmission connection, injection-tube 8 by transmission component
It moves forwards or backwards, and drives electrode tube 9 to move to the direction opposite with 8 direction of motion of injection-tube by transmission component；When
When pushing first handle 1 forward, drives the injection-tube 8 in handle side cover 3 to move forward, pass through the water conservancy diversion being connected with injection-tube 8
Pipe pushes injection needle 12 to stretch out 10 front end of sheath；Injection-tube 8 drives electrode tube 9 to pull back by transmission component simultaneously, thus
It pulls cutter 13 to retract 10 depths of sheath backward by electrode tube 9, traction fiber, completes function of injection status ready at this time, it can
The injection of the liquid such as physiological saline, hemostat is carried out by the injection-tube 8 of 1 end of first handle.If you need to use electric cutting function
It then can be by pulling first handle 1 to complete corresponding actions.Pass through the connection of transmission component between liquid injection and electric cutting function
The dynamic counter motion for realizing each functional component, can be completely eliminated the accidental activation for function of awaiting orders first with this, avoided to patient
It causes unexpected injury or surgical procedure is interfered；A kind of next movement that functional component may be implemented comes while controlling double function
The movement of energy component reduces the unnecessary operation in doctor's operation, improves procedure efficiency.
As shown in Fig. 3, Fig. 4 and Fig. 5, transmission component includes the first braces 5 and the second braces 6, the first braces 5 and the second tooth
Bar shaped tooth is equipped on frame 6, and the first braces 5 and the second braces 6 are slidably arranged in handle side cover 3, and the first braces 5 and
Two braces 6 are slidably arranged in the handle side cover 3 of second handle by way of guide rail, guide groove or guide rod, injection-tube 8
It is fixedly connected with the first braces 5, electrode tube 9 is fixedly connected with the second braces 6, and tooth is equipped between the first braces 5 and the second braces 6
Wheel group 7, gear set 7 include the first gear 16 and second gear 17 rotated coaxially, and first gear 16 and second gear 17 pass through
Connecting shaft 18 is fixedly connected, and connecting shaft 18 is rotatably mounted in second handle, in first gear 16 and the first braces 5
Bar shaped tooth be meshed, second gear 17 is meshed with the bar shaped tooth on the second braces 6, is made by the transmission effect of gear set 7
Electrode tube 9 and injection-tube 8 move round about.When pushing first handle 1, the injection-tube 8 in handle side cover 3 and the are driven
One braces 5 moves forward, and pushes injection needle 12 to stretch out 10 front end of sheath by the diversion pipe being connected with injection-tube 8；While first
Braces 5 drives first gear 16 to rotate by bar shaped tooth, and first gear 16 drives second gear 17 to rotate by connecting shaft 18, and second
Gear 17 drives the second braces 6 to pull back, to pull cutter 13 to retract sheath 10 backward by electrode tube 9, traction fiber
Function of injection status ready is completed in depths at this time.If you need to use electric cutting function then can be by pulling first handle 1 to complete accordingly
Movement.In addition, the outer diameter of first gear 16 is greater than the outer diameter of second gear 17；Thus it is possible, on the one hand, by adjusting first gear 16
With the outer diameter of second gear 17, and then the advance and retreat speed of injection needle 12 and cutter 13 can be adjusted, operation is facilitated to grasp
Make；On the other hand, the first braces 5 and the second braces 6 can be made to maintain a certain distance, avoid the first braces 5 and the second braces 6
At a distance of relatively closely rubbing, the first braces 5 and the relative motion of the second braces 6 is made to be obstructed.
Assigned direction in this specific embodiment is intended merely to facilitate between each component of statement positional relationship and mutually
The relationship of cooperation.The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned
Embodiment, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for this technology
For the those of ordinary skill in field, several improvements and modifications without departing from the principles of the present invention, these are improved and profit
Decorations also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of linkage structure of endoscopic instrument, including handle portion, sheath (10), diversion pipe, traction fiber, cutter (13) and
Injection needle (12)；Handle portion includes first handle (1), second handle, injection-tube (8) and electrode tube (9)；
First handle (1) and second handle are slidably connected, in second handle setting be able to carry out back-and-forth motion electrode tube (9) and
Injection-tube (8), electrode tube (9) and injection-tube (8) realize by transmission component and are sequentially connected that injection-tube (8) is transported forward or backward
Electrode tube (9) is driven to move to the direction opposite with injection-tube (8) direction of motion by transmission component when dynamic；
The rear end of sheath (10) is fixedly connected with second handle, and diversion pipe and traction fiber extend through sheath (10)；Traction fiber
It is fixedly arranged at the front end with cutter (13), electrode tube (9) connection in the rear end and handle portion of traction fiber, by being moved forward and backward electrode tube
(9) to drive cutter (13) to extend and retract from sheath (10) front end；Diversion pipe is fixedly arranged at the front end with injection needle (12), leads
In the rear end and handle portion of flow tube injection-tube (8) connection, by be moved forward and backward injection-tube (8) to drive injection needle (12) from
Sheath (10) front end extends and retracts；
It is characterized in that: the front end of second handle is equipped with end cap (4), be fixed with electrode (15) in end cap (4), electrode tube (9) and/or
Traction fiber runs through end cap (4), and electrode (15) contacts conduction with electrode tube (9) and/or traction fiber by brush；Injection-tube (8) passes through
It wears second handle and is fixedly connected with first handle (1), first handle (1) is moved forward and backward to drive injection-tube (8) and water conservancy diversion
Pipe is moved forward and backward.
2. the linkage structure of endoscopic instrument according to claim 1, it is characterized in that: the second handle includes handle master
The end cap (4), end cap (4) and the handle side cover (3) is arranged in the front end of body (2) and handle side cover (3), handle side cover (3)
Between by clamping, interference fit or be threadedly coupled, the rear end fixed handle main body (2) of handle side cover (3), handle main body
(2) rear end is slidably connected with first handle (1) sleeve, and first handle (1) is equipped with injection connector, the transmission component installation
In handle side cover (3).
3. the linkage structure of endoscopic instrument according to claim 1, it is characterized in that: the transmission component includes the first tooth
Bar shaped tooth, and the first braces (5) and second are equipped on frame (5) and the second braces (6), the first braces (5) and the second braces (6)
Braces (6) is slidably arranged in handle side cover (3), and injection-tube (8) is fixedly connected with the first braces (5), electrode tube (9) and second
Braces (6) is fixedly connected, and is connected between the first braces (5) and the second braces (6) by gear drive.
4. the linkage structure of endoscopic instrument according to claim 3, it is characterized in that: the first braces (5) and the second braces
(6) it is sequentially connected between by gear set (7), which includes at least two gears, passes through the transmission of gear set (7)
Effect moves electrode tube (9) and injection-tube (8) round about.
5. the linkage structure of endoscopic instrument according to claim 4, it is characterized in that: the gear set (7) includes coaxial
The first gear (16) and second gear (17) of rotation, first gear (16) are meshed with the bar shaped tooth on the first braces (5), the
Two gears (17) are meshed with the bar shaped tooth on the second braces (6).
6. the linkage structure of endoscopic instrument according to claim 5, it is characterized in that: first gear (16) and second gear
(17) it is fixedly connected by connecting shaft (18), connecting shaft (18) is rotatably mounted in second handle.
7. the linkage structure of endoscopic instrument according to claim 5, it is characterized in that: the outer diameter of the first gear (16)
Greater than the outer diameter of the second gear (17).
8. the linkage structure of endoscopic instrument according to claim 3, it is characterized in that: first braces (5) and described
Second braces (6) is slidably arranged in second handle by way of guide rail, guide groove or guide rod.
9. the linkage structure of endoscopic instrument according to claim 1, it is characterized in that: the cutter (13) and injection needle
(12) it is disposed in parallel in the front end of sheath (10).
10. the linkage structure of endoscopic instrument according to claim 1, it is characterized in that: the injection needle (12) runs through institute
State cutter (13).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452082.6A CN110236669B (en) | 2019-05-28 | 2019-05-28 | Linkage structure of endoscope apparatus |
| PCT/CN2019/126561 WO2020238172A1 (en) | 2019-05-28 | 2019-12-19 | Endoscopic instrument and linkage structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452082.6A CN110236669B (en) | 2019-05-28 | 2019-05-28 | Linkage structure of endoscope apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110236669A true CN110236669A (en) | 2019-09-17 |
| CN110236669B CN110236669B (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910452082.6A Active CN110236669B (en) | 2019-05-28 | 2019-05-28 | Linkage structure of endoscope apparatus |
Country Status (2)
| Country | Link |
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| CN (1) | CN110236669B (en) |
| WO (1) | WO2020238172A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238172A1 (en) * | 2019-05-28 | 2020-12-03 | 安瑞医疗器械(杭州)有限公司 | Endoscopic instrument and linkage structure thereof |
| CN113813042A (en) * | 2021-10-22 | 2021-12-21 | 杭州维纳安可医疗科技有限责任公司 | Electrode needle and electrode device |
| WO2022007734A1 (en) * | 2020-07-08 | 2022-01-13 | 安瑞医疗器械(杭州)有限公司 | High frequency electrical instrument for use with endoscope |
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| CN205359621U (en) * | 2016-01-14 | 2016-07-06 | 安瑞医疗器械(杭州)有限公司 | Endoscope is with high frequency cutter of taking syringe needle |
| KR101830085B1 (en) * | 2017-08-21 | 2018-02-21 | 유펙스메드(주) | High frequency knife for endoscopic submucosal dissection with multiple tips |
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| CN110236669B (en) * | 2019-05-28 | 2021-01-01 | 安瑞医疗器械(杭州)有限公司 | Linkage structure of endoscope apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020238172A1 (en) * | 2019-05-28 | 2020-12-03 | 安瑞医疗器械(杭州)有限公司 | Endoscopic instrument and linkage structure thereof |
| WO2022007734A1 (en) * | 2020-07-08 | 2022-01-13 | 安瑞医疗器械(杭州)有限公司 | High frequency electrical instrument for use with endoscope |
| CN113813042A (en) * | 2021-10-22 | 2021-12-21 | 杭州维纳安可医疗科技有限责任公司 | Electrode needle and electrode device |
| CN113813042B (en) * | 2021-10-22 | 2023-12-05 | 杭州维纳安可医疗科技有限责任公司 | Electrode needle and electrode device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020238172A1 (en) | 2020-12-03 |
| CN110236669B (en) | 2021-01-01 |
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