CN205054424U - But injection peels off incision sword under scope mucosa - Google Patents
But injection peels off incision sword under scope mucosa Download PDFInfo
- Publication number
- CN205054424U CN205054424U CN201520476031.4U CN201520476031U CN205054424U CN 205054424 U CN205054424 U CN 205054424U CN 201520476031 U CN201520476031 U CN 201520476031U CN 205054424 U CN205054424 U CN 205054424U
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- China
- Prior art keywords
- fixed handle
- elastomeric element
- handle
- interface channel
- fixed
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- Expired - Fee Related
Links
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 210000004877 mucosa Anatomy 0.000 title abstract description 6
- 238000002347 injection Methods 0.000 title abstract description 3
- 239000012212 insulator Substances 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 19
- 210000001519 tissues Anatomy 0.000 abstract description 12
- 230000035695 Efflux Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 231100000915 pathological change Toxicity 0.000 description 6
- 230000036285 pathological change Effects 0.000 description 6
- 210000001035 Gastrointestinal Tract Anatomy 0.000 description 4
- 230000003902 lesions Effects 0.000 description 4
- 230000001575 pathological Effects 0.000 description 4
- 210000004876 tela submucosa Anatomy 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 210000003238 Esophagus Anatomy 0.000 description 2
- 206010018987 Haemorrhage Diseases 0.000 description 2
- 206010034754 Petechiae Diseases 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 2
- 201000011510 cancer Diseases 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000010827 pathological analysis Methods 0.000 description 2
- 238000002271 resection Methods 0.000 description 2
- 241000565118 Cordylophora caspia Species 0.000 description 1
- 206010020718 Hyperplasia Diseases 0.000 description 1
- 206010061529 Polyp Diseases 0.000 description 1
- 206010058046 Post procedural complication Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010192 crystallographic characterization Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Abstract
The utility model provides a but injection peels off incision sword under scope mucosa, a serial communication port, including fixed handle, flexible handle, elastomeric element, needle sword and lock pin, fixed handle's the fixed connection elastomeric element's of distal end portion proximal end portion, elastomeric element's distal end portion are fixed with an insulator, and the needle sword is located in this elastomeric element and is run through this insulator, be formed with first spout in fixed handle's the proximal end portion, flexible handle can follow first spout slide, fixed handle's inside is formed with the inner chamber, and flexible handle's distal end portion locates in fixed handle's the inner chamber and is connected with the control lever, and the control lever is connected and is led guiding wire, leads guiding wire and connects the needle sword. The utility model discloses not only can be directly through this incision sword to the mucosa efflux body of making a bet, can also realize the cutting of focus tissue to to a great extent avoids changing surgical instruments repeatedly and has effectively shortened operation time, reduces the emergence of bad complication, and has reduced the operation cost.
Description
Technical field
This utility model relates to a kind of incision knife for can carry out peeling off under submucosal injections and mucosa through scope simultaneously.
Background technology
Decollement (endoscopicsubmucosaldissection under endoscopic mucosal, ESD) refer to utilize various electric knife to carry out mucosa to > 2cm pathological changes under the scope less invasive techniques peeled off, precancerous lesion, esophagus and the gastrointestinal tract such as gastrointestinal tract Giant" Polyps, side direction developmental character tumor, severe atypical hyperplasia and intraepithelial neoplasia early tumor under cancer, esophagus and gastrointestinal tract mucosa can be treated.This technology can realize the en bloc resection of larger pathological changes, and provides pathological diagnosis accurately by stages.Along with the development of endoscopic instruments, ESD has become the first-selected Therapeutic Method of digestive tract early cancer and precancerous lesion, has determined curative effect, wound is little, recoverys is fast, can obtain complete, the advantage such as pathological diagnosis accurately.Relative surgical operation, more can maintain normal physiological structure, little to Quality of Life after operation in patients.In operation process, submucosal injections physiological saline and so on liquid makes tela submucosa form water cushion, uses different cutter to be the important step ensureing successful surgery by lesion resection.But because the liquid of submucosal injections can tissue infiltration and make original water cushion fade away towards periphery, cause relative loss operative space; Therefore in operation, need constantly repeatedly to be exchanged by the biopsy duct of scope to use entry needle to carry out submucosal injections and cutter are peeled off, the difficulty not only increasing operation also extends operating time, and easily causes Alimentary Tract Perforation or the untoward reaction such as hemorrhage.
The cutter that injectable can cut under the scope used in the market have the sea of German ERBE to win cutter.But its submucosal injections is the surge relying on water bundle, relative point and acutance poor, than being easier to cause hemorrhage and cutting is more blunt; Meanwhile, exclusive pumping plant is expensive, will support the use with the appointment TURP machine of the said firm.
Summary of the invention
Technical problem to be solved in the utility model is not with submucosal injections function to overcome traditional incision knife of the prior art, the injection relative point of the rich cutter fluid in sea, acutance is poor and use the supporting and more high defect of cost, there is provided a kind of for the stripping incision knife through scope band submucosal injections function, save the complicated processes repeatedly changing operating theater instruments in operation process, reach the object that original base unites two into one.
In order to solve the problems of the technologies described above, this utility model provide a kind of can the stripping incision knife of submucosal injections through scope, it is characterized in that, comprise fixed handle, flexible handle, elastomeric element, pin cutter and lock pin; The distal portion of fixed handle is fixedly connected with the close end of elastomeric element, and the distal portion of elastomeric element is fixed with an insulator, and pin cutter to be located in this elastomeric element and to be run through this insulator; Be formed with the first chute in the close end of fixed handle, described flexible handle can along the first described slide; The inside of fixed handle is formed with inner chamber, and the distal portion of flexible handle to be located in the inner chamber of fixed handle and to be connected with control stick, and control stick connects traction seal wire, traction seal wire connecting needle cutter; The sidewall of fixed handle offers the second chute, be provided with lock pin in the second described chute, lock pin can along the second slide, and lock pin is fixed on the outer surface of control stick and is electrically connected with traction seal wire and pin cutter by this control stick; The inside of described pin cutter is formed for the cavity to submucosal injections fluid, the inside of traction seal wire is formed with the first interface channel, the inside of control stick is formed with the second interface channel, the inside of flexible handle is formed with the 3rd interface channel, described cavity, the first interface channel, the second interface channel are communicated with successively with the 3rd interface channel, and the 3rd interface channel can be connected with fluid source.
In this programme, adopt said structure form, can not only directly pass through this incision knife to submucosal injections fluid, the cutting of pathological tissues can also be realized, thus shorten operating time to a great extent, and reduce operation cost, simultaneously, this incision knife scope of application is comparatively wide, can with the TURP machine of any specification with the use of.In addition, the head end of this incision knife is pin cutter, is convenient to thrust tela submucosa and carries out injecting and the acutance ensureing cutting.This lock pin is electrically connected with traction seal wire, and high-voltage electric shock can be used after energising to excise needs diseased region.
Preferably, the far-end of described insulator is formed with a ball clypeus.
In this programme, arranging of ball clypeus can prevent the perforated phenomenon in operation process from occurring.
Preferably, the material of this insulator and this ball clypeus is pottery.
In this programme, adopt said structure form, make ball clypeus to be close to tissue surface, can direct coagulation petechia after cutting pathological tissues.
Preferably, the outer surface of the close end of described fixed handle is provided with two handles be oppositely arranged, and is formed in one between two handles and this fixed handle.
In this programme, the setting of handle is convenient to medical personnel and is operated this incision knife, thus shortens operating time.
Preferably, the outside of described elastomeric element is enclosed with an insulating barrier.
In this programme, the setting of insulating barrier injures other normal tissue cell of inside of human body after can avoiding being energized.
Preferably, described elastomeric element is a spring.
In this programme, this elastic shell adopts spring, thus ensure that the flexibility of this elastic shell, makes this elastic shell bent, is convenient to this incision knife and is positioned in limited space.
Preferably, described flexible handle comprises sliding part and the joint for being connected with fluid source, described sliding part has a close end, a distal portion, one inner surface and an outer surface, this close end is connected with this joint, this distal portion is connected with this control stick, and described joint is connected with the 3rd interface channel.
Preferably, gap is formed between the inner surface of the outer surface of described sliding part and the sidewall of fixed handle.
In this programme, the setting in gap avoids fixed handle and produces larger interference to the slip of flexible handle.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains each preferred embodiments of this utility model.
Compared with prior art, the beneficial effects of the utility model are:
This utility model can not only directly pass through this incision knife to submucosal injections fluid, can also realize the stripping excision of lesion tissue, thus shorten operating time to a great extent, reduce postoperative complication and also reduce operation cost.
Accompanying drawing explanation
Fig. 1 be this utility model preferred embodiment for can the structural representation of stripping incision knife of submucosal injections through scope.
Fig. 2 is the structure for amplifying schematic diagram of part A in Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram of part B in Fig. 1.
Description of reference numerals:
Fixed handle: 1
Close end: 11 distal portion: 12 inner surfacies: 13
Inner chamber: 14 chutes: 15 handles: 16
Flexible handle: 2
Sliding part: 21
Close end: 211 distal portion: 212 inner surfacies: 213
Outer surface: 214 the 3rd interface channels: 215
Joint: 22
Elastomeric element: 3
Close end: 31 distal portion: 32 insulating barriers: 33
Pin cutter: 4
Tip: 41 heads: 42 inner surfacies: 43
Cavity: 44
Lock pin: 5
Insulator: 6 ball clypeus: 61
Traction seal wire: 7 first interface channels: 71
Control stick: 8 second interface channels: 81
Detailed description of the invention
Below in conjunction with specific embodiment, set forth this utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of utility model.In addition should be understood that those skilled in the art can make various changes or modifications this utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read this utility model instruction.
In description of the present utility model, it will be appreciated that, term " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only this utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
Embodiment
As shown in Figure 1, a kind of for can the stripping incision knife of submucosal injections through scope, comprise fixed handle 1, flexible handle 2, elastomeric element 3, pin cutter 4 and lock pin 5.
This fixed handle 1 has close end 11, distal portion 12 and an inner surface 13, and the inside of fixed handle 1 is formed with inner chamber 14, described inner chamber 14 by this inner surface 13 around being formed.Be formed with the first chute 17 in the close end 11 of fixed handle 1, described flexible handle 2 can slide along the first described chute 17.The outer surface of the close end 11 of this fixed handle 1 is provided with between two handles be oppositely arranged 16, two handles 16 and this fixed handle 1 and is formed in one.The setting of handle 16 is convenient to medical personnel and is operated this incision knife, thus shortens operating time.
This flexible handle 2 comprises the sliding part 21 and the joint 22 for being connected with fluid source that can slide along the first described chute 17, described sliding part 21 has close end 211, distal portion 212, one inner surface 213 and an outer surface 214, this close end 211 is connected with this joint 22, and distal portion 212 to be located in the inner chamber 14 of fixed handle 1 and to be connected with control stick 8.The inside of flexible handle 2 is formed with the 3rd interface channel the 215, three interface channel 215 by described inner surface 213 around being formed.Described joint 22 is connected with the 3rd interface channel 215.Gap is formed between the outer surface 214 of sliding part 21 and the inner surface 13 of fixed handle 1.This avoid fixed handle and larger interference is produced to the slip of flexible handle.
This elastomeric element 3 has close end 31 and a distal portion 32.As Figure 2-3, the close end 31 of this elastomeric element 3 is fixedly connected with the distal portion 12 of fixed handle 1, and the end face of the distal portion 32 of this elastomeric element 3 is fixed with an insulator 6.The far-end of this insulator 6 is outward extended with one away from a ball clypeus 61 of this elastomeric element 3 along the axis direction of this elastomeric element 3.Arranging of ball clypeus 61 can prevent the perforated phenomenon in operation process from occurring.The material of this insulator 6 and this ball clypeus 61 is pottery.Ball clypeus is made to be close to tissue surface like this, can direct coagulation petechia after cutting pathological tissues.
This elastomeric element 3 is wrapped with an insulating barrier 33.The setting of insulating barrier 33 injures other normal tissue cell of inside of human body after can avoiding being energized.Meanwhile, this elastomeric element 3 is a spring.This ensure that the flexibility of this elastomeric element, make this elastomeric element bent, be convenient to this incision knife and be positioned in limited space.
As shown in Figure 2, this pin cutter 4 to be located in this elastomeric element 3 and to be run through this insulator 6 and ball clypeus 61 thereof, this pin cutter 4 has a tip 41, head 42 and an inner surface 43, tip 41 and head 42 lay respectively at far-end and the near-end of pin cutter 4, the inside of this pin cutter 4 is formed for the cavity 44 to submucosal injections fluid, described cavity 44 by the inner surface 43 of pin cutter 4 around being formed.The head 42 of pin cutter 4 is connected with a traction seal wire 7, is formed with first interface channel 71 be connected with cavity 44 in this traction seal wire 7.The head end of this incision knife is pin cutter 4, is convenient to thrust tela submucosa and carries out injecting and the acutance ensureing cutting.
As shown in Figure 3, this traction seal wire 7, away from an end face connection control bar 8 of pin cutter 4, is formed with the second interface channel 81 be connected with this first interface channel 71 in this control stick 8, and this control stick 8 be positioned at this inner chamber 14 at least partially.
As shown in Figure 1, the sidewall of fixed handle 1 offers the second chute 15, be provided with lock pin 5 in the second described chute 15, lock pin 5 can slide along the second chute 15, spacing movement before and after flexible handle is on fixed handle.Lock pin 5 is fixed on the outer surface of control stick 8 and vertically with this control stick arranges.Meanwhile, lock pin 5 is electrically connected with traction seal wire 7 and pin cutter 4 by this control stick 8.High-voltage electric shock can be used after energising to excise and to need diseased region.
Described cavity 44, first interface channel 71, second interface channel 81 is communicated with successively with the 3rd interface channel 215, and the 3rd interface channel 215 can be connected with fluid source, for being delivered in the cavity of this pin cutter by the fluid in fluid source.
In the present embodiment, adopt this incision knife, can not only directly pass through this incision knife to submucosal injections fluid, the cutting of pathological tissues can also be realized, thus shorten operating time to a great extent, and reduce operation cost, simultaneously, this incision knife scope of application is comparatively wide, can with the TURP machine of any specification with the use of.
During use, the stripping incision knife of submucosal injections pathological changes portion can be deep into through the biopsy duct of scope by through scope, fluid (this fluid can be liquid medicine) is passed into the 3rd interface channel 215 of sliding part 21 by the joint 22 on flexible handle 2, thus make this fluid through the second interface channel 81, first interface channel 71 and cavity 44 are injected to pathological changes portion, pathological changes portion cell tissue is separated with between other normal structures, after having injected, disconnect the passage between flexible handle 2 and fluid source, the intersection of application pin cutter to the tela submucosa of diseased region and pathological changes and normal structure carries out blunt separation and is energized cutting, diseased region can be peeled off completely.
Although the foregoing describe detailed description of the invention of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (7)
1. can the stripping incision knife of submucosal injections through scope, it is characterized in that, comprise fixed handle (1), flexible handle (2), elastomeric element (3), pin cutter (4) and lock pin (5); The distal portion (12) of fixed handle (1) is fixedly connected with the close end (31) of elastomeric element (3), the distal portion (32) of elastomeric element (3) is fixed with an insulator (6), and pin cutter (4) to be located in this elastomeric element (3) and to be run through this insulator (6); Be formed with the first chute (17) in the close end (11) of fixed handle (1), described flexible handle (2) can slide along described the first chute (17); The inside of fixed handle (1) is formed with inner chamber (14), the distal portion (212) of flexible handle (2) to be located in the inner chamber (14) of fixed handle (1) and to be connected with control stick (8), control stick (8) connects traction seal wire (7), traction seal wire (7) connecting needle cutter (4); The sidewall of fixed handle (1) offers the second chute (15), lock pin (5) is provided with in described the second chute (15), lock pin (5) can slide along the second chute (15), and lock pin (5) is fixed on the outer surface of control stick (8) and is electrically connected with traction seal wire (7) and pin cutter (4) by this control stick (8); The inside of described pin cutter is formed for the cavity (44) to submucosal injections fluid, the inside of traction seal wire (7) is formed with the first interface channel (71), the inside of control stick is formed with the second interface channel (81), the inside of flexible handle (2) is formed with the 3rd interface channel (215), described cavity (44), the first interface channel (71), the second interface channel (81) are communicated with successively with the 3rd interface channel (215), and the 3rd interface channel (215) can be connected with fluid source.
2. as claimed in claim 1 can the stripping incision knife of submucosal injections through scope, it is characterized in that, the far-end of described insulator (6) is formed with a ball clypeus (61).
3. as claimed in claim 1 can the stripping incision knife of submucosal injections through scope, it is characterized in that, the outer surface of the close end (11) of described fixed handle (1) is provided with two handles be oppositely arranged (16), is formed in one between two handles (16) and this fixed handle (1).
4. as claimed in claim 1 can the stripping incision knife of submucosal injections through scope, it is characterized in that, the outside of described elastomeric element (3) is enclosed with an insulating barrier (33).
5. as claimed in claim 1 can the stripping incision knife of submucosal injections through scope, it is characterized in that, described elastomeric element (3) is a spring.
6. as claimed in claim 1 can the stripping incision knife of submucosal injections through scope, it is characterized in that, described flexible handle (2) comprises sliding part (21) and the joint (22) for being connected with fluid source, described sliding part (21) has a close end, a distal portion, one inner surface and an outer surface, this close end is connected with this joint (22), and this distal portion is connected with this control stick (8), and described joint (22) is connected with the 3rd interface channel (215).
7. as claimed in claim 1 can the stripping incision knife of submucosal injections through scope, it is characterized in that, between the inner surface of the outer surface of described sliding part (21) and the sidewall of fixed handle (1), be formed with gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476031.4U CN205054424U (en) | 2015-06-30 | 2015-06-30 | But injection peels off incision sword under scope mucosa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476031.4U CN205054424U (en) | 2015-06-30 | 2015-06-30 | But injection peels off incision sword under scope mucosa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205054424U true CN205054424U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520476031.4U Expired - Fee Related CN205054424U (en) | 2015-06-30 | 2015-06-30 | But injection peels off incision sword under scope mucosa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205054424U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638198A (en) * | 2017-09-30 | 2018-01-30 | 四川大学华西医院 | Mucous membrane peels off apparatus under a kind of scope of swallow-tail form cutter head |
| CN107693110A (en) * | 2017-09-30 | 2018-02-16 | 四川大学华西医院 | Mucous membrane stripper under a kind of scope |
| WO2019206042A1 (en) * | 2018-04-23 | 2019-10-31 | 南京微创医学科技股份有限公司 | Multifunctional high-frequency electric knife |
| CN111671514A (en) * | 2020-07-08 | 2020-09-18 | 安瑞医疗器械(杭州)有限公司 | Multifunctional high-frequency cutter for endoscope |
| 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 |
-
2015
- 2015-06-30 CN CN201520476031.4U patent/CN205054424U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638198A (en) * | 2017-09-30 | 2018-01-30 | 四川大学华西医院 | Mucous membrane peels off apparatus under a kind of scope of swallow-tail form cutter head |
| CN107693110A (en) * | 2017-09-30 | 2018-02-16 | 四川大学华西医院 | Mucous membrane stripper under a kind of scope |
| CN107693110B (en) * | 2017-09-30 | 2020-09-04 | 四川大学华西医院 | Mucous membrane stripper under endoscope |
| WO2019206042A1 (en) * | 2018-04-23 | 2019-10-31 | 南京微创医学科技股份有限公司 | Multifunctional high-frequency electric knife |
| JP2021516597A (en) * | 2018-04-23 | 2021-07-08 | 南▲微▼医学科技股▲フン▼有限公司Ｍｉｃｒｏ‐Ｔｅｃｈ （Ｎａｎｊｉｎｇ） Ｃｏ．， Ｌｔｄ． | Multi-functional high frequency electric knife |
| JP7064024B2 (en) | 2018-04-23 | 2022-05-09 | 南▲微▼医学科技股▲フン▼有限公司 | Multi-functional high frequency electric knife |
| CN111671514A (en) * | 2020-07-08 | 2020-09-18 | 安瑞医疗器械(杭州)有限公司 | Multifunctional high-frequency cutter for endoscope |
| 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 |
| WO2022007733A1 (en) * | 2020-07-08 | 2022-01-13 | 安瑞医疗器械(杭州)有限公司 | Multifunctional high-frequency cutter for endoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20210630 |