CN102920507B - Mucosa resecting scalpel - Google Patents
Mucosa resecting scalpel Download PDFInfo
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- CN102920507B CN102920507B CN201210434316.2A CN201210434316A CN102920507B CN 102920507 B CN102920507 B CN 102920507B CN 201210434316 A CN201210434316 A CN 201210434316A CN 102920507 B CN102920507 B CN 102920507B
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- knife
- push rod
- electric
- cutter
- electric knife
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Abstract
The invention relates to a mucosa resecting scalpel which is composed of a scalpel head portion and a scalpel tail portion. The scalpel head portion comprises a barrel, an electric knife body and a half opening and closing device, wherein part of the electric knife body is sleeved in the barrel, and the half opening and closing device is arranged on the barrel; the scalpel tail portion comprises a sliding guide rail, an electrocoagulation knife push rod, an electric knife push rod, an electrocoagulation knife handle and an electric knife handle, wherein the electrocoagulation knife push rod and the electric knife push rod are arranged on the sliding guide rail, and the electrocoagulation knife handle and the electric knife handle control the electrocoagulation knife push rod and the electric knife push rod to move; two external insulation metal rods and an external insulation wire are arranged in the barrel, one metal rod is connected with the electric knife body to drive the electric knife body to telescopically move, the other metal rod is connected with the half opening and closing device to drive the half opening and closing device to move, and the scalpel head portion and the scalpel tail portion are connected with each other through an extensile metal hose. The mucosa resecting scalpel has double functions of the electric knife and an electrocoagulation knife, and by means of the mucosa resecting scalpel applied to an endoscope, blood of patients can be immediately stopped when mucosal tissue is resected, so that operation time is shortened, and simultaneously, operation safety is improved.
Description
Technical field
The present invention relates to a kind of medical apparatus, particularly a kind of endoscopic inferior mucosa stripping surgical knife.
Background technology
Demu osation is early gastrointestinal carcinoma disease emerging in recent years or the therapeutic endoscopy technology of precancerous lesion, and English name is Endoscopic submucosal disection, referred to as ESD, has that wound is little, good effect, a feature such as reliable and secure.Can excise pathological changes to complete bulk by demu osation, reaching the effect of radical cure pathological changes, is a cutting edge technology in digestive endoscopy field.
But existing mucosa lift-off technology clinical manipulation is loaded down with trivial details, be generally first apply electric knife excision mucosal tissue under scope after, changing electric coagulating knife again comes to patient hemostasis, this mode not only operating time is long, and complication rate is also up to 5%-10%, and its safety also has much room for improvement.Therefore be necessary that the safer more convenient mucosa lift-off technology related equipment of research and development and adnexa are to meet clinical demand.
Problem is peeled off for solving endoscopic inferior mucosa, Chinese patent notification number is " CN202173469U ", patent is called " surgical tool system for decollement under endoscopic inferior mucosa ", its technical scheme is as follows: comprise for calcination labelling and cut focus electric knife, for the gripping apparatus of the injecting apparatus injected focus, the pathological tissues excised for gripping and a connector tool, this connection apparatus has the first link on the pathological tissues that can be connected to and cut and second link that can be connected weight.This technical scheme by introducing connection apparatus, the pathological tissues cut can connect apparatus and connects a weight with this, and the tissue utilizing action of gravity to pull open to have cut, to obtain the better visual field to carry out submucosal stripping.Though this technology specifically makes, ESD operation technique is convenient, the advantage of progress safety, can not solve when excising mucosal tissue at once to the technical barrier of patient hemostasis.
Summary of the invention
Technical problem to be solved by this invention needs to change scalpel to overcome in above-mentioned mucosa lift-off technology, cause operating time long, the not high defect of safety, and a kind of novel mucosa stripping surgical knife is provided, this scalpel not only has electric knife function, and has electric coagulating knife function, and under scope, apply the present invention can when excising mucosal tissue at once to patient hemostasis, shorten operating time, also improve operation safety simultaneously.
In order to solve the problems of the technologies described above, technical scheme of the present invention is achieved in that a kind of mucosa stripping surgical knife, be made up of tool bit part and cutter portion, described tool bit part comprises cylindrical shell, part is set in telescopic electric knife cutter hub in cylindrical shell, be located at the Semi-folding device of barrel end and control the actuating device of Semi-folding device folding; Described cutter portion comprises rail plate, be located at electric coagulating knife push rod on rail plate and electric knife push rod and control electric coagulating knife handle and the electric knife hands handle of electric coagulating knife push rod and the movement of electric knife push rod; One end of described actuating device is connected with Semi-folding device, and its other end is connected with the electric coagulating knife push rod of cutter portion; The metallic rod of two exterior insulations and the wire of an exterior insulation is provided with in described cylindrical shell, one end of a described wherein metallic rod is connected with the electric knife cutter hub be set in cylindrical shell, the other end is connected with electric knife push rod, one end of another root metallic rod is connected with actuating device, the other end is connected with electric coagulating knife push rod, and described wire is electrically connected with Semi-folding device.
Preferably, described Semi-folding device is divided into standing part and rotating part, described standing part and cylindrical shell affixed, one end of described rotating part is connected on cylindrical shell by hinged, and is engaged with fixed part phase-splitting when rotating part rotates to an angle.
Preferably, form a lines of occlusion when described rotating part and standing part occlusion, lines of occlusion certain distance is departed from described hinged position on cylindrical shell.
Preferably, described actuating device is slider-crank mechanism, be placed in cylindrical shell, be made up of push rod, hinged and two connecting rods, one end of described two connecting rods be fixed on hinged on, the other end of two connecting rods is fixed on the end of rotating part, one end of described push rod be hinged on hinged on, the other end is connected with metallic rod.
Preferably, when described rotating part and standing part occlusion, the angle that described push rod and connecting rod are formed is greater than zero.
Preferably, described standing part is provided with the semi-cylindrical groove passed for electric knife cutter hub.
Preferably, described cylindrical shell is provided with the limited block making the subtended angle of rotating part and standing part keep certain angle.
Preferably, the other end of described cylindrical shell is connected with a cutter head locating slide sleeve, and described cutter head locating slide sleeve is provided with the slideway coordinated with electric knife cutter hub and push rod.
Preferably, described cutter head locating slide sleeve is provided with two metallic rod and a plain conductor passage independent of each other.
Preferably, the head of described electric knife cutter hub is provided with the spherical insulation fulcrum preventing operation process perforated phenomenon.
Preferably, the profile of described rotating part is for ease of peeling off the flat structure of mucosal tissue.
Preferably, described cutter portion is also provided with cutter tail locating slide sleeve and guide rail end cap, and described cutter tail locating slide sleeve is provided with the slideway matched with electric knife push rod and electric coagulating knife push rod, and described guide rail end cap snaps onto on rail plate through cutter tail locating slide sleeve.
Preferably, described tool bit part is connected by extensile metal hose with cutter portion.
Preferably, the guide rail structure of described rail plate is dissymmetrical structure, and the bottom of its rail plate is provided with electric coagulating knife power supply interface.
Preferably, described electric knife handle is provided with electric knife power supply interface.
Preferably, described cutter tail locating slide sleeve is provided with the slideway matched with electric knife push rod and electric coagulating knife push rod.
Beneficial effect of the present invention, mucosa stripping surgical knife of the present invention has electric knife and electric coagulating knife dual-use function, and under scope, apply the present invention when excising mucosal tissue at once to patient hemostasis, can shorten operating time, also improving operation safety simultaneously.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of description, and can become apparent to allow above-mentioned purpose of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is tool bit part structural representation of the present invention.
Fig. 2 is the decomposition texture schematic diagram of tool bit part of the present invention.
Fig. 3 is the structural representation that tool bit part of the present invention removes standing part.
Fig. 4 is the structural representation that tool bit part of the present invention removes cylindrical shell.
Fig. 5 is cutter portion decomposition texture schematic diagram of the present invention.
Fig. 6 is the decomposing schematic representation after this invention cutter portion removes electric coagulating knife handle and electric knife handle.
Fig. 7 is the decomposed structural representation of cutter portion of the present invention.
In figure, each label represents:
1, tool bit part; 2, cutter portion; 3, cylindrical shell; 4, cutter head locating slide sleeve; 5, hinged; 6, limited block; 7, electric knife cutter hub, 8, spherical insulation fulcrum; 9, Semi-folding device; 10 actuating devices; 11, rotating part; 12, standing part; 13, connecting rod; 14, connecting rod; 15, push rod; 16, hinged; 21, electric coagulating knife hands handle; 22, rail plate; 23, guide rail end cap; 24, electric knife hands handle; 25, cutter tail locating slide sleeve; 26, electric knife push rod; 27, electric coagulating knife push rod.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to the detailed description of the invention of mucosa stripping surgical knife proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
Mucosa stripping surgical knife of the present invention comprises tool bit part 1 and cutter portion 2 two parts.
As depicted in figs. 1 and 2, described tool bit part 1 comprises electric knife cutter hub 7, cylindrical shell 3, Semi-folding device 9, actuating device 10 and cutter head locating slide sleeve 4.
Described electric knife cutter hub 7 is elongated telescopic cylindrical structural, is provided with spheroid insulation fulcrum 8 in one end of electric knife cutter hub 7, and spheroid insulation fulcrum 8 can prevent the perforated phenomenon in operation process from occurring; Described cylindrical shell 3 coordinates with the other end of electric knife cutter hub 7.
As shown in Figure 3 and Figure 4, described Semi-folding device 9 is divided into standing part 12 and rotating part 11, and described standing part 12 is affixed with cylindrical shell 3, and both can be combined as a whole by laser weld, standing part 12 offers half-terete groove, the slideway that this groove passes as electric knife cutter hub 7.Described rotating part 11 can rotate, and is engaged mutually with standing part 12 when rotating to an angle.
Subtended angle between described rotating part 11 and standing part 12 keeps certain angle can be controlled by the position of limited block 6 or the profile changing rotating part 11.
Described rotating part 11 is the Duckbill type of flat, is more conducive to the stripping of mucosa like this, can certainly be other flat structure.
As shown in Figure 3, described actuating device 10 is installed in cylindrical shell 3, is crank block structure, and its structure is made up of hinged 16, push rod 15, connecting rod 13 and connecting rod 14.The rotating part 11 of described Semi-folding device is hinged on cylindrical shell 3 by hinged 5, one end of described connecting rod 13 and connecting rod 14 is fixed on hinged 16, the other end of connecting rod 13 and connecting rod 14 is fixed on the end of rotating part 11, one end of described push rod 15 is hinged on hinged 16, and the other end is connected with electric coagulating knife push rod 27.
Described actuating device 10 is eccentric structure, can ensure there is certain gmatjpdumamics between rotating part 11 and standing part 12 like this, and needs to ensure that actuating device can not deadlock.
Described cutter head locating slide sleeve 4 is connected to one end of cylindrical shell 3, and both can be affixed, slides in described push rod 15 and the slideway of electric knife cutter hub 7 in cutter head locating slide sleeve 4.During work, rotating part 11 rotates around hinged 5, and push rod 15, along cutter head locating slide sleeve 4 moving linearly, by connecting rod 13, connecting rod 14 the rectilinear motion of push rod 15, passes to rotating part 11.
Be installed on the metallic rod of two exterior insulations and the wire of an exterior insulation in described cylindrical shell 3, the position of hinged 5 is arranged to be needed to ensure rotating part 11 when rotated, does not interfere with the plain conductor of cylindrical shell 3 inner chamber and metallic rod.A described wherein metallic rod is connected with electric knife cutter hub 7, and electric knife cutter hub 7 can be driven to do stretching motion, and when this metallic rod is energized, electric knife cutter hub 7 has the function of excision mucosal tissue; Another root metallic rod is connected with rotating part 11, and standing part 12 or the rotating part 11 of described wire and Semi-folding device are electrically connected, and when wire energising, and when rotating part 11 and standing part 12 keep interlocking pattern, realizes coagulation function; When wire is not charged, and when rotating part 11 opens, realize mucosa and peel off function.
When rotating part 11 and standing part 12 are engaged, occlusal surface and cutter head outer rim form a lines of occlusion.In order to avoid interfering between the metallic rod and wire three of cutter head inner chamber, the center of rotation of rotating part 11 must depart from lines of occlusion certain distance.
As shown in Figure 5, described cutter portion 2 comprises rail plate 22, electric coagulating knife handle 21, electric knife handle 24, cutter tail locating slide sleeve 25, guide rail end cap 23, electric coagulating knife push rod 27 and electric knife push rod 26.
Described electric coagulating knife handle 21 is arranged on rail plate 22, and controls the movement of electric coagulating knife push rod 27, and described electric knife handle 24 is arranged on rail plate 22, and controls electric knife push rod 26 and move.
As shown in Figure 6 and Figure 7, described cutter tail locating slide sleeve 25 is provided with the slideway matched with electric knife push rod 26 and electric coagulating knife push rod 27, and described guide rail end cap 23 snaps onto on cutter tail rail plate 22 through cutter tail locating slide sleeve 25.Described electric knife push rod 26 and electric coagulating knife push rod 27 are by passing after cutter tail locating slide sleeve 25 and guide rail end cap 23, and electric knife push rod 26 is connected with cutter hub 7, and electric coagulating knife push rod 27 is connected with push rod 11.Cutter tail locating slide sleeve 25 is spacing by guide rail end cap 23, and guide rail end cap 23 also can play position-limiting action to electric coagulating knife handle 21 and electric knife handle 24.
Due to electric coagulating knife mechanical movement mainly rotating part 11 and standing part 12 open and snap-action, the interface of therefore powering to electric coagulating knife can be fixed on rail plate 22.
The flexible reciprocating motion of the mechanical movement of electric knife mainly electric knife cutter hub 7, therefore the power supply interface of electric knife is fixed on electric knife handle 24.
The power supply interface of cutter portion 2, powers to respectively electric knife and electric coagulating knife.TURP and coagulation function are mutual exclusions, and switching in several seconds between the two can complete, and realize the function of limit resection organization limit hemostasis.
Operation principle of the present invention, first, electric coagulating knife handle 21 slides near guide rail end cap 23 direction, drive electric coagulating knife push rod 27 moving linearly, electric coagulating knife push rod 27 drives push rod 11 moving linearly, rotated by conveyor belt dynamic cutter head rotating part 1, complete the expansion action of cutter head rotating part 1, realize the function that this mucosa stripping surgical knife peels off mucosa.
Then, electric coagulating knife handle 21 slides to away from guide rail end cap 23 direction, and is energized to cutter head rotating part 1, completes rotating part 11 and the snap-action of standing part 12, achieves the coagulation function of this mucosa stripping surgical knife.
Finally, electric knife handle 24 slides near guide rail end cap 23 direction, electric knife push rod 26 moving linearly of band moving knife portion, thus completes the extend action of electric knife cutter hub 7, only electric knife cutter hub 7 is energized simultaneously, achieves the TURP function of this mucosa stripping surgical knife.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art; when not departing from technical solution of the present invention scope; the technology contents of above-mentioned announcement can be utilized to make many possible variations and modification to technical solution of the present invention; or be revised as the Equivalent embodiments of equivalent variations; therefore; every content not departing from forward position of the present invention theory and technical scheme; according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall in the protection domain of technical solution of the present invention.
Claims (10)
1. a mucosa stripping surgical knife, be made up of tool bit part (1) and cutter portion (2), it is characterized in that: described tool bit part (1) comprises cylindrical shell (3), part is set in telescopic electric knife cutter hub (7) in cylindrical shell (3), be located at the actuating device (10) of the Semi-folding device (9) of cylindrical shell (3) end and the motion of control Semi-folding device; Described cutter portion (2) comprises rail plate (22), be located at electric coagulating knife push rod (27) on rail plate (22) and electric knife push rod (26) and control electric coagulating knife handle (21) and the electric knife handle (24) of electric coagulating knife push rod (27) and electric knife push rod (26) movement; One end of described actuating device (10) is connected with Semi-folding device (9), and its other end is connected with the electric coagulating knife push rod (27) of cutter portion (2); The metallic rod of two exterior insulations and the wire of an exterior insulation is provided with in described cylindrical shell (3), one end of a metallic rod in two metallic rod is connected with the electric knife cutter hub (7) be set in cylindrical shell (3), the other end is connected with electric knife push rod (26), one end of another root metallic rod is connected with actuating device (10), the other end is connected with electric coagulating knife push rod (27), and described wire is electrically connected with Semi-folding device (9).
2. mucosa stripping surgical knife according to claim 1, it is characterized in that: described Semi-folding device (9) is divided into standing part (12) and rotating part (11), described standing part (12) is affixed with cylindrical shell (3), one end of described rotating part (11) is connected on cylindrical shell (3) by hinged (5), and is engaged mutually with standing part (12) when rotating part (11) rotates to an angle; Described electric knife handle (24) is provided with electric knife power supply interface.
3. mucosa stripping surgical knife according to claim 2, it is characterized in that: form a lines of occlusion when described rotating part (11) and standing part (12) occlusion, lines of occlusion certain distance is departed from described hinged (5) position on cylindrical shell (3); The profile of described rotating part (11) is the flat structure being convenient to peel off mucosal tissue.
4. mucosa stripping surgical knife according to claim 1, it is characterized in that: described actuating device (10) is slider-crank mechanism, be placed in cylindrical shell (3), be made up of push rod (15), second hinged (16) and two connecting rods (13,14), one end and second hinged (16) of described two connecting rods (13,14) are hinged, the other end of two connecting rods (13,14) is connected on rotating part (11), one end of described push rod (15) is hinged on second hinged (16), and the other end is connected with metallic rod.
5. mucosa stripping surgical knife according to claim 4, is characterized in that: when described rotating part (11) and standing part (12) occlusion, the angle that described push rod (15) and connecting rod are formed is greater than zero; Described standing part (12) is provided with the semi-cylindrical groove passed for electric knife cutter hub (7); The other end of described cylindrical shell (3) is connected with a cutter head locating slide sleeve (4), and described cutter head locating slide sleeve (4) is provided with the slideway coordinated with electric knife cutter hub (7) and push rod (15).
6. mucosa stripping surgical knife according to claim 2, is characterized in that: described cylindrical shell (3) is provided with and makes rotating part (11) keep the limited block (6) of certain angle with the subtended angle of standing part (12).
7. mucosa stripping surgical knife according to claim 5, is characterized in that: described cutter head locating slide sleeve (4) is provided with three autonomous channels and passes through for two metallic rod and a plain conductor.
8. mucosa stripping surgical knife according to claim 1, it is characterized in that: described cutter portion (2) is provided with cutter tail locating slide sleeve (25) and guide rail end cap (23), described cutter tail locating slide sleeve (25) is provided with the slideway matched with electric knife push rod (26) and electric coagulating knife push rod (27), described guide rail end cap (23) snaps onto on cutter tail rail plate (22), and cutter tail locating slide sleeve (25) is fixed between the two.
9. mucosa stripping surgical knife according to claim 8, it is characterized in that: described tool bit part (1) is connected by extensile metal hose with cutter portion (2), insulation processing is done on metal hose surface, and insulation processing is done on the surface of tool bit part (1); The guide rail structure of described rail plate (22) is dissymmetrical structure, and the bottom of its rail plate (22) is provided with electric coagulating knife power supply interface.
10. mucosa stripping surgical knife according to claim 9, is characterized in that: described cutter tail locating slide sleeve (25) is provided with the slideway matched with electric knife push rod (26) and electric coagulating knife push rod (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210434316.2A CN102920507B (en) | 2012-11-02 | 2012-11-02 | Mucosa resecting scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210434316.2A CN102920507B (en) | 2012-11-02 | 2012-11-02 | Mucosa resecting scalpel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102920507A CN102920507A (en) | 2013-02-13 |
| CN102920507B true CN102920507B (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210434316.2A Expired - Fee Related CN102920507B (en) | 2012-11-02 | 2012-11-02 | Mucosa resecting scalpel |
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| Country | Link |
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| CN (1) | CN102920507B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104546119A (en) * | 2015-01-05 | 2015-04-29 | 张建国 | Mucous membrane detacher |
| CN111529054B (en) * | 2020-05-20 | 2024-06-25 | 常州市久虹医疗器械有限公司 | Controllable rotary mucous membrane incision knife |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5484434A (en) * | 1993-12-06 | 1996-01-16 | New Dimensions In Medicine, Inc. | Electrosurgical scalpel |
| CN101336841A (en) * | 2008-05-21 | 2009-01-07 | 王鹏 | Multifunctional cutting-aspiration peeling electrotome |
| CN201185955Y (en) * | 2008-01-31 | 2009-01-28 | 潘文胜 | Mucosa-cutting knife under endoscope |
| CN102258393A (en) * | 2011-05-06 | 2011-11-30 | 潘文胜 | Multifunctional endoscopic minimally invasive hoe scaler |
| CN203017081U (en) * | 2012-11-02 | 2013-06-26 | 潘文胜 | Mucosa dissection scalpel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103251450B (en) * | 2007-12-18 | 2015-10-07 | 博维医药公司 | With can the operating theater instruments in removal tool storehouse |
-
2012
- 2012-11-02 CN CN201210434316.2A patent/CN102920507B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5484434A (en) * | 1993-12-06 | 1996-01-16 | New Dimensions In Medicine, Inc. | Electrosurgical scalpel |
| CN201185955Y (en) * | 2008-01-31 | 2009-01-28 | 潘文胜 | Mucosa-cutting knife under endoscope |
| CN101336841A (en) * | 2008-05-21 | 2009-01-07 | 王鹏 | Multifunctional cutting-aspiration peeling electrotome |
| CN102258393A (en) * | 2011-05-06 | 2011-11-30 | 潘文胜 | Multifunctional endoscopic minimally invasive hoe scaler |
| CN203017081U (en) * | 2012-11-02 | 2013-06-26 | 潘文胜 | Mucosa dissection scalpel |
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| Publication number | Publication date |
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| CN102920507A (en) | 2013-02-13 |
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Granted publication date: 20150114 Termination date: 20191102 |