CN209032622U - A kind of high-frequency knife of the endoscope-use with injection needle - Google Patents
A kind of high-frequency knife of the endoscope-use with injection needle Download PDFInfo
- Publication number
- CN209032622U CN209032622U CN201820886172.7U CN201820886172U CN209032622U CN 209032622 U CN209032622 U CN 209032622U CN 201820886172 U CN201820886172 U CN 201820886172U CN 209032622 U CN209032622 U CN 209032622U
- Authority
- CN
- China
- Prior art keywords
- connector
- needle tubing
- handle
- axial electrode
- endoscope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Surgical Instruments (AREA)
Abstract
A kind of high-frequency knife the utility model relates to endoscope-use with injection needle, including vertical injection connector, two fingers ring, handle, connector, sliding block, outer sheath, hollow pipe, needle tubing, axial electrode, insulative head, radial electrode, spring hose and steel cable, spring hose is fixedly connected with handle with outer sheath, needle tubing and axial electrode are arranged in spring hose, vertical injection joint sliding is arranged on handle, connector is arranged on two fingers ring, sliding block is arranged in handle, connector and sliding block are interference fitted, two fingers ring is slidably arranged on handle, hollow pipe is plugged in sliding block, needle tubing connect to form fluid passage after running through hollow pipe with vertical injection connector, the distal end of hollow pipe is fixed with one end of steel cable, the other end of steel cable is fixed by axial electrode connector with axial electrode, the utility model is easy to control, cutting It is more efficient.
Description
Technical field
The utility model relates to one kind, and gastrointestinal polyps and early cancer are treated for Endoscopic submucosal dissection (ESD)
Instrument more particularly to a kind of cutting, removes the endoscope-use of tissue with the high-frequency knife of injection needle.
Background technique
The electric knife for being commonly used in ESD in the market has needle knife, IT knife (band ceramic head), billhook, triangular knife, Flush knife (knife
Flushing hole is equipped in head) etc..Every kind of knife has the characteristics that respective: the stick electrode of needle knife can quickly be got ready and make marks and cut
Open mucous membrane；There is ceramics insulator protection in IT cutter head portion, prevent removing mucous layer when cut to unnecessary position, prevent perforation and
Bleeding；The L shape cutter head of billhook turns to suitable angle, can quickly cut lesion edge；Three valve radial electrodes of triangular knife
Be conducive to get ready and make marks and burn blutpunkte hemostasis；It is equipped with flushing hole in the cutter head of Flush knife, can rush in the course of surgery
Washing blutpunkte improves the visual field.
Doctor is related to plurality of step and instrument during carrying out Endoscopic submucosal dissection, is such as injected and is given birth to injection needle
Reason salt water raises lesions position, burns to get ready with needle knife or triangular knife and mark, and cuts edge along label with billhook or needle knife, uses
IT knife (band ceramic head) removing tissue, burns blutpunkte hemostasis, hemostatic clamp hemostasis, hot biopsy forceps electric coagulation hemostasis, electric snare set
Cutting is cut.Doctor in the course of surgery, can need replacing instrument according to operation, to meet the needs of each step.Frequently
Instrument replacement, it is not only loaded down with trivial details but also time-consuming, it is unfavorable for patient's operation.
A kind of endoscope-use of Anrui Medical Appliance (Hangzhou) Co., Ltd. is with the high-frequency knife of injection needle, Patent No.:
CN201620034846.1 discloses a kind of high-frequency knife with injection needle, and injection needle is passed through from hollow IT knife, IT knife
It is extended and retracted by the mobile realization of outer sheath.
A kind of combination high-frequency knife of Japanese fuji Co., Ltd., Patent No.: JP_4870710_B2 discloses one kind
High-frequency knife, one of implementation are combined, injection needle is passed through from hollow IT knife.
The structure of the high frequency knife with injection needle of above-mentioned patent disclosure has been all made of the structure that needle tubing runs through IT knife, so that
IT knife is necessary for hollow form, but hollow form structure makes IT knife poorly conductive, and cutting efficiency is low, inconvenient to use.
Summary of the invention
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of endoscope-uses that cutting efficiency is high
High-frequency knife with injection needle incorporates the function of IT knife and injection needle, reduces instrument replacement, saves time and efforts,
It is more efficient safer.
To achieve the goals above, the utility model uses technical solution below:
A kind of high-frequency knife of the endoscope-use with injection needle, handle portion and insertion section, the handle portion include vertical injection
Connector, two fingers ring, handle, connector, sliding block, outer sheath and hollow pipe, the insertion section include needle tubing, axial electrode, insulation
Head, radial electrode, spring hose and steel cable,
The spring hose is fixedly connected with handle with outer sheath, and outer sheath is set in outside spring hose, spring
Insulating layer is also wrapped on hose, the needle tubing and axial electrode are arranged in spring hose,
The vertical injection joint sliding is arranged on handle, is arranged for connecting the connector of high frequency electric source in two fingers ring
On, the sliding block is arranged in handle, and connector and sliding block are interference fitted, two fingers ring is slidably arranged on handle,
The hollow pipe is plugged in sliding block, and the needle tubing connect to form liquid after running through hollow pipe with vertical injection connector
Channel, and drive needle tubing to stretch out or be retracted in spring hose, the distal end of the hollow pipe by the sliding of vertical injection connector
It is fixed with one end of steel cable, the other end of steel cable is fixed by axial electrode connector with axial electrode, and the cunning of two fingers ring is passed through
It is dynamic that axial electrode is driven to stretch out or be retracted in spring hose；
The radial electrode is fixed on the distal end of axial electrode, and radial electrode insulative head is interference fitted, so that axial electricity
Pole is threaded through in the square hole of insulative head.
As a preferred solution: being two-chamber road structure in the spring hose, the needle tubing and axial electrode are arranged in difference
Cavity in.
As a preferred solution: the insulative head is integral into cabochon, and the side of insulative head is equipped with notch, the needle tubing from
Indentation, there passes through.
As a preferred solution: the distal end of the spring hose is additionally provided with insulator cap, needle tubing is equipped on the outside of the needle tubing and is limited
Pipe, when needle tubing is fully extended, needle tubing position-limiting tube offsets with insulator cap.
As a preferred solution: the first limit hole and the second limit hole are spaced on the side wall of the handle, the vertical injection
Connector is equipped with elastic profile, and when elastic profile is stuck in the first limit hole site, needle tubing is retracted, when elastic profile is stuck in second
When limiting hole site, needle tubing stretches out.
As a preferred solution: being equipped with positioning screw, rotational positioning spiral shell by the threaded hole rotation opened up on the two fingers ring
Bar makes positioning screw and handle offset to fix the position of the position of two fingers ring and then fixed axial electrode.
As a preferred solution: the axial electrode head, at flat, the insulative head is equipped with and axial electrode head
The square hole that shape matches, the axial electrode are inserted into the square hole of insulative head.
As a preferred solution: one end of the handle is additionally provided with thumb rings.
As a preferred solution: the vertical injection connector is between two fingers ring and thumb rings.
As a preferred solution: the two fingers ring is between thumb rings and vertical injection connector, the vertical injection connector
Center vertical direction is equipped with fluid passage and the through-hole for passing through for steel cable, and fluid passage and through-hole are set independently of each other
It sets.
Needle tubing and axial electrode are passed through vertical injection connector and two fingers ring independent control by the utility model respectively, and operation is more
Add conveniently, and needle tubing and axial electrode are disposed in parallel in spring hose, so that axial electrode electric conductivity is more preferable, cutting efficiency is more
It is high.
The needle tubing of the utility model realizes the function of injection needle；Axial electrode realizes the function of IT knife；Needle tubing retracts
When, sterile water can be sprayed.Doctor can carry out corresponding operating as needed, and not only injectable physiological saline raised lesions position, but also
Cleavable removing mucous membrane tissue, can also rinse blutpunkte, save the time of replacement instrument.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the utility model embodiment 1.
Fig. 2 is structural schematic diagram of the utility model embodiment 1 when needle tubing stretches out.
Fig. 3 is that the utility model embodiment 1 is withdrawn in needle tubing, structural schematic diagram when IT knife stretches out.
Fig. 4 is the structural schematic diagram of the vertical injection connector of the utility model embodiment 1.
Fig. 5 is the structural schematic diagram of the handle of the utility model embodiment 1.
Fig. 6 is the structural schematic diagram of the insulative head of the utility model.
Fig. 7 is the schematic diagram of the section structure of the utility model embodiment 2.
Fig. 8 is the structural schematic diagram of the vertical injection connector of the utility model embodiment 2.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Embodiment 1
High-frequency knife of a kind of endoscope-use with injection needle as shown in Figures 1 to 6, handle portion and insertion section, the hand
Shank includes vertical injection connector 12, two fingers ring 13, handle 14, connector 15, sliding block 16, outer sheath 17 and hollow pipe 18, institute
Stating insertion section includes needle tubing 1, axial electrode 2, insulative head 3, radial electrode 4, spring hose 6 and steel cable 9,
The spring hose 6 is fixedly connected with handle 14 with outer sheath 17, and outer sheath 17 is set in outside spring hose 6
Portion is also wrapped on insulating layer 7 on spring hose 6, and the needle tubing 1 and axial electrode 2 are arranged in spring hose 6,
The vertical injection connector 12 is slidably arranged on handle 14, is existed for connecting the setting of connector 15 of high frequency electric source
On two fingers ring 13, the sliding block 16 is arranged in handle 14, and connector 15 and sliding block 16 are interference fitted, and the sliding of two fingers ring 13 is set
It sets on handle 14,
The hollow pipe 18 is plugged in sliding block 16, and the needle tubing 1 connects after running through hollow pipe 18 with vertical injection connector 12
It connects to form fluid passage, and drives needle tubing 1 to stretch out or be retracted in spring hose 6, institute by the sliding of vertical injection connector 12
One end of the distal end and steel cable 9 of stating hollow pipe 18 is fixed, and the other end of steel cable 9 passes through axial electrode connector 10 and axial electrode
2 is fixed, is moved in the stretching of axial electrode 2 or retraction spring hose 6 by the slip band of two fingers ring 13；
The radial electrode 4 is fixed on the distal end of axial electrode 2, and 4 insulative head 3 of radial electrode is interference fitted, so that axis
In the square hole 3a for being threaded through insulative head 3 to electrode 2.It can prevent insulative head 3 from rotating, so that needle tubing 1 be enable smoothly to lead to from the side
It crosses.
It is two-chamber road structure in the spring hose 6, the needle tubing 1 and axial electrode 2 are arranged in different cavities.
The insulative head 3 is integral into cabochon, and the side of insulative head 3 is equipped with notch 3b, and the needle tubing 1 is from notch 3b
Pass through.
The distal end of the spring hose 6 is additionally provided with insulator cap 5, is equipped with needle tubing position-limiting tube 8 on the outside of the needle tubing 1, needle tubing 1 is complete
When full stretching, needle tubing position-limiting tube 8 offsets with insulator cap 5.
The first limit hole 14a and the second limit hole 14b, the vertical injection connector 12 are spaced on the side wall of the handle 14
It is equipped with elastic profile 12a, when elastic profile 12a is stuck in the first limit hole position 14a, needle tubing 1 is retracted, when elastic profile
When 12a is stuck in the second limit hole position 14b, needle tubing 1 stretches out.
Needle tubing 1 is a very long hollow pipe, and needle tubing 1 connect that form liquid logical with the vertical injection connector 12 of handle portion
Road.Vertical injection connector 12 can slide on handle 14, mobile start stop bit by handle 14 hole 14a and hole 14b limit.
When the elastic button bit 12a on vertical injection connector 12 is at the hole position 14a, needle tubing 1 is retracted, when elastic button bit 12a is at hole 14b
When setting, needle tubing 1 stretches out.When needle tubing 1 stretches out, needle tubing position-limiting tube 8 is blocked by insulator cap 5, keeps the extension elongation of needle tubing 1 accurate
Control.When needle tubing stretches out, lesions position can be raised with injecting normal saline can also spray aseptic water washing when needle tubing retracts
Blutpunkte improves the scope visual field.Insulating layer 7 is coated on 6 outside of spring hose, together with insulator cap 5, prevents metal part from revealing
Out, play the role of electric insulation.
Positioning screw 19 is equipped with by the threaded hole rotation opened up on the two fingers ring 13, rotational positioning screw rod 19 makes fixed
Position screw rod 19 and handle 14 offset to fix the position of the position of two fingers ring 13 and then fixed axial electrode 2.
Location nut 19 is spun on two fingers ring 13 by screw thread, by the friction of threaded post and handle 14, to prevent axial direction
Electrode 2 is moved forward and backward.When location nut 19 is unscrewed, two fingers ring 13 can drive axial electrode 2 to be moved forward and backward, and location nut 19 is locked
When tight, two fingers ring 13 can not slide on handle 14.As such, it is desirable to which location nut 19 is unscrewed, controllably when using axial electrode 2
Axial electrode 2 processed is mobile, and when not needing to use axial electrode 2, axial electrode 2 can be recovered in spring hose 6, and will positioning
Nut 19 is tightened, it is ensured that axial electrode 2 is not stretched out simultaneously with needle tubing 1, improves operational safety.
At flat, the insulative head 3 is equipped with to match with 2 head shape of axial electrode on 2 head of axial electrode
Square hole 3a, the axial electrode 2 is inserted into the square hole 3a of insulative head 3.
One end of the handle 14 is additionally provided with thumb rings 11.The vertical injection connector 12 is located at two fingers ring 13 and thumb rings
Between 11
Embodiment 2
Embodiment 2 the difference from embodiment 1 is that, the position of vertical injection connector 12 and two fingers ring 13 is exchanged, two fingers ring
13 between thumb rings 11 and vertical injection connector 12, such as Fig. 7.The center vertical direction of the vertical injection connector 12 is set
There are fluid passage 12c and the through-hole 12b for passing through for steel cable 9, fluid passage 12c is sealing, fluid passage 12c and through-hole
12b is arranged independently of each other, and such steel cable 9 can move axially therein.
It should be pointed out that above embodiments are only the representative examples of the utility model.The utility model can also there are many
Deformation.All essence any simple modification, equivalent change and modification to the above embodiments according to the utility model,
It is considered as belonging to the protection scope of the utility model.
Claims (10)
1. a kind of high-frequency knife of endoscope-use with injection needle, handle portion and insertion section, it is characterised in that: the handle portion includes
Vertical injection connector (12), two fingers ring (13), handle (14), connector (15), sliding block (16), outer sheath (17) and hollow pipe
(18), the insertion section includes needle tubing (1), axial electrode (2), insulative head (3), radial electrode (4), spring hose (6) and steel
It restricts (9),
The spring hose (6) is fixedly connected with handle (14) with outer sheath (17), and to be set in spring soft for outer sheath (17)
(6) outside is managed, is also wrapped on insulating layer (7) on spring hose (6), the needle tubing (1) and axial electrode (2) are arranged at spring
In hose (6),
The vertical injection connector (12) is slidably arranged on handle (14), for connecting connector (15) setting of high frequency electric source
On two fingers ring (13), in handle (14), connector (15) and sliding block (16) are interference fitted for sliding block (16) setting, will be double
Finger ring (13) is slidably arranged on handle (14),
The hollow pipe (18) is plugged in sliding block (16), the needle tubing (1) through hollow pipe (18) afterwards with vertical injection connector
(12) connection forms fluid passage, and drives needle tubing (1) to stretch out or be retracted spring by the sliding of vertical injection connector (12)
In hose (6), the distal end of the hollow pipe (18) and one end of steel cable (9) are fixed, and the other end of steel cable (9) passes through axial electrode
Connector (10) and axial electrode (2) are fixed, move axial electrode (2) by the slip band of two fingers ring (13) and stretch out or be retracted bullet
In spring hose (6)；
The radial electrode (4) is fixed on the distal end of axial electrode (2), and radial electrode (4) insulative head (3) is interference fitted, and is made
Axial electrode (2) are obtained to be threaded through in the square hole (3a) of insulative head (3).
2. high-frequency knife of a kind of endoscope-use with injection needle according to claim 1, it is characterised in that: the spring is soft
Managing in (6) is two-chamber road structure, and the needle tubing (1) and axial electrode (2) are arranged in different cavities.
3. high-frequency knife of a kind of endoscope-use with injection needle according to claim 1 or 2, it is characterised in that: described exhausted
Edge head (3) is integral into cabochon, and the side of insulative head (3) is equipped with notch (3b), and the needle tubing (1) is led at notch (3b)
It crosses.
4. high-frequency knife of a kind of endoscope-use with injection needle according to claim 1, it is characterised in that: the spring is soft
The distal end of pipe (6) is additionally provided with insulator cap (5), is equipped with needle tubing position-limiting tube (8) on the outside of the needle tubing (1), and needle tubing (1) is fully extended
When, needle tubing position-limiting tube (8) offsets with insulator cap (5).
5. high-frequency knife of a kind of endoscope-use with injection needle according to claim 1, it is characterised in that: the handle
(14) the first limit hole (14a) and the second limit hole (14b) are spaced on side wall, the vertical injection connector (12) is equipped with bullet
Property profile (12a), when elastic profile (12a) is stuck in the position the first limit hole (14a), needle tubing (1) retract, when elastic profile
When (12a) is stuck in the position the second limit hole (14b), needle tubing (1) stretches out.
6. high-frequency knife of a kind of endoscope-use with injection needle according to claim 1, it is characterised in that: the two fingers ring
(13) positioning screw (19) are equipped with by the rotation of the threaded hole that opens up on, rotational positioning screw rod (19) make positioning screw (19) with
Handle (14) offsets to fix the position of the position of two fingers ring (13) and then fixed axial electrode (2).
7. high-frequency knife of a kind of endoscope-use with injection needle according to claim 1, it is characterised in that: the axial electricity
At flat, the insulative head (3) is equipped with the square hole (3a) to match with axial electrode (2) head shape, institute on pole (2) head
In the square hole (3a) for stating axial electrode (2) insertion insulative head (3).
8. high-frequency knife of a kind of endoscope-use with injection needle according to claim 1, it is characterised in that: the handle
(14) one end is additionally provided with thumb rings (11).
9. high-frequency knife of a kind of endoscope-use with injection needle according to claim 7, it is characterised in that: the vertical note
Connector (12) is penetrated to be located between two fingers ring (13) and thumb rings (11).
10. high-frequency knife of a kind of endoscope-use with injection needle according to claim 7, it is characterised in that: the two fingers
Ring (13) is between thumb rings (11) and vertical injection connector (12), the center Vertical Square of the vertical injection connector (12)
To the through-hole (12b) for being equipped with fluid passage (12c) and being used to pass through for steel cable (9), fluid passage (12c) and through-hole (12b) phase
Mutually it is independently arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820886172.7U CN209032622U (en) | 2018-06-08 | 2018-06-08 | A kind of high-frequency knife of the endoscope-use with injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820886172.7U CN209032622U (en) | 2018-06-08 | 2018-06-08 | A kind of high-frequency knife of the endoscope-use with injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209032622U true CN209032622U (en) | 2019-06-28 |
Family
ID=67028797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820886172.7U Active CN209032622U (en) | 2018-06-08 | 2018-06-08 | A kind of high-frequency knife of the endoscope-use with injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209032622U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523986A (en) * | 2018-06-08 | 2018-09-14 | 安瑞医疗器械(杭州)有限公司 | A kind of high-frequency knife of the endoscope-use with injection needle |
| CN110811814A (en) * | 2019-10-31 | 2020-02-21 | 上海澳华光电内窥镜有限公司 | Integrated multifunctional medical electric snare |
| WO2021063139A1 (en) * | 2019-09-30 | 2021-04-08 | 南微医学科技股份有限公司 | Multifunctional high-frequency electrotome |
-
2018
- 2018-06-08 CN CN201820886172.7U patent/CN209032622U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523986A (en) * | 2018-06-08 | 2018-09-14 | 安瑞医疗器械(杭州)有限公司 | A kind of high-frequency knife of the endoscope-use with injection needle |
| CN108523986B (en) * | 2018-06-08 | 2024-03-12 | 安瑞医疗器械(杭州)有限公司 | High-frequency cutter with injection needle for endoscope |
| WO2021063139A1 (en) * | 2019-09-30 | 2021-04-08 | 南微医学科技股份有限公司 | Multifunctional high-frequency electrotome |
| CN110811814A (en) * | 2019-10-31 | 2020-02-21 | 上海澳华光电内窥镜有限公司 | Integrated multifunctional medical electric snare |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3761894B1 (en) | Dual-channel injection bipolar high frequency electrosurgical knife | |
| CN105434038B (en) | A kind of endoscope-use multifunctional high frequency cutter | |
| EP1715910B1 (en) | Endoscopic multi-lumen devices and related methods of use | |
| US9814481B2 (en) | Unitary endoscopic vessel harvesting devices | |
| CN209032622U (en) | A kind of high-frequency knife of the endoscope-use with injection needle | |
| CN108523986A (en) | A kind of high-frequency knife of the endoscope-use with injection needle | |
| EP3785654B1 (en) | Multifunctional high-frequency electric knife | |
| CN102379739B (en) | Winding prevention type multifunctional high-frequency scalpel of endoscope | |
| JP2007527766A (en) | Multifunctional telescopic universal unipolar / bipolar surgical device and method therefor | |
| JP3235996U (en) | Medical connection device | |
| CN105852964B (en) | Rotary medical electric cutting and coagulation device | |
| WO2022007733A1 (en) | Multifunctional high-frequency cutter for endoscope | |
| WO2022007732A1 (en) | High-frequency tool having multiple functions | |
| CN104055572A (en) | Combined electrotome | |
| CN203988348U (en) | A kind of combination electric knife | |
| WO2021063139A1 (en) | Multifunctional high-frequency electrotome | |
| JP5598780B2 (en) | High frequency treatment device | |
| CN210931791U (en) | Multifunctional high-frequency electrotome | |
| CN109771027B (en) | Multifunctional cutting knife | |
| CN108784828B (en) | High-frequency electrotome with double tool bits for endoscope | |
| CN209186930U (en) | A kind of scope electric knife with Double-cutter head | |
| WO2022007734A1 (en) | High frequency electrical instrument for use with endoscope | |
| CN110833441A (en) | Novel multi-functional mucosa incision sword | |
| CN112438795B (en) | Novel medical electrotome and tool bit assembly thereof | |
| CN212699052U (en) | Novel multi-functional mucosa incision sword |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |