CN104921803A - Electrotome used for incising pericardium under endoscope - Google Patents
Electrotome used for incising pericardium under endoscope Download PDFInfo
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- CN104921803A CN104921803A CN201510412965.6A CN201510412965A CN104921803A CN 104921803 A CN104921803 A CN 104921803A CN 201510412965 A CN201510412965 A CN 201510412965A CN 104921803 A CN104921803 A CN 104921803A
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- plastic plate
- guide rod
- pericardium
- electric knife
- wire
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Abstract
The invention discloses an electrotome used for incising the pericardium under an endoscope. The electrotome comprises a guide rod and a handle connected to one end of the guide rod. A gear switch is installed on the handle. The guide rod is a hollow tube. One end of the guide rod is fixedly connected with the end of a long-strip-shaped plastic plate. The plastic plate and the guide rod are arranged in an obtuse-angle mode. A guide wire hole is formed in the connecting portion of the plastic plate and the guide rod. A metal guide wire is fixedly arranged at the other end of the plastic plate. The metal guide wire enters along the guide wire hole and is connected with the gear switch installed on the handle, the gear switch pokes and pulls the metal guide wire to be tightened, and the tightened metal guide wire enables the plastic plate to be in an arch-shaped working state. The gear switch is connected with an external power source through a wire. The electrotome can incise the pericardium efficiently and conveniently, the strutting space is enough, risks in surgery can be reduced greatly, and surgery operation is facilitated.
Description
Technical field
The present invention relates to a kind of cardiac thoracic surgery apparatus, a kind of electric knife cut for Microendoscopic pericardium, belongs to technical field of medical instruments specifically.
Background technology
Pericardium is the tough and tensile thin film of one deck held outside heart, and there is serosity the centre of pericardium and heart, lubricate, when reducing cardiomotility and the friction of pericardium.Row cardiac operation, all will by pericardial incision, and what usually adopt in operation is cut by electric knife, and this operation is forbidden to touch heart carrying out electric knife head in incision process, quivers or bores a hole cause serious consequence to prevent heart generation chamber; If in traditional open surgery, the mode of operated by two people can be adopted effectively to reduce risks, but in Minimally Invasive Surgery, usually operation technique can only be completed by operating doctor one people, doctor is just needed carefully to be separated, this has higher requirement to the skill of doctor and muscle power, because once the serious meeting of the situation that meets accident directly affects the life security of patient.
In recent years capable for electric knife skin and subcutaneous tissue are cut decollement and be widely used in surgical operation, achieve good therapeutic effect, this type of electric knife to be only limitted in traditional open surgery more for convenience, although be also use comparatively extensively in Minimally Invasive Surgery, electric knife is when the cardiac operation for Wicresoft, less for working place, the visual field is open not, propose very high requirement to operator, finally cause whole operating time longer, doctor's physical demands is large.
Summary of the invention
Technical problem to be solved by this invention is, for the shortcoming of above prior art, proposes a kind of electric knife cut for Microendoscopic pericardium, efficiently can carry out the incision of pericardium easily, and it is enough to strut space, can greatly reduce in art the possibility occurring risk, shorten operating time.
In order to solve the problems of the technologies described above, the invention provides a kind of electric knife cut for Microendoscopic pericardium, comprise guide rod and be connected to the hands handle of described guide rod, described handle is provided with driving switch, described guide rod is hollow pipe, one end of described guide rod is connected with the end winding support of strip plastic plate, described plastic plate and described guide rod are arranged in obtuse angle, and thread eye is provided with on the guide rod of described plastic plate and guide rod junction, the other end of described plastic plate is fixed with wire guide, described wire guide enters along described thread eye and is connected with the driving switch be arranged on handle, the described wire guide of traction is stirred tight by described driving switch, described plastics are made to form the duty of " bow " shape by tight wire guide, described driving switch is connected with circumscripted power line by wire.
The technical scheme that the present invention limits further is: the aforesaid electric knife cut for Microendoscopic pericardium, described driving switch is for being provided with fourth gear, be followed successively by the original shelves of switch, seal wire molding shelves, blood coagulation shelves and burning and cutting shelves from bottom to top, by the state of switch-mode regulation wire guide, first switch is adjusted to molding shelves from original shelves, wire guide is tightened, plastic plate distortion is driven by wire guide, the plastic plate of distortion is made to prop up heart, certain safe space is formed to wire guide and heart, guarantee that wire guide does not touch heart when TURP pericardium; Adjusting as made wire guide be energized after blood coagulation shelves, first blood coagulation operation being carried out to incision at a lower temperature, hemorrhage more to avoid in follow-up incision process; When driving switch being called in burning and cutting shelves after blood coagulation shelves complete operation, carry out the operation of cutting and separating pericardium.
The present invention provides enough safety cutting spaces by arciform supporting plastic plate to wire guide, cardioprotection is not by outside stimulation, by the adjustment of driving switch, carry out the step of molding, blood coagulation and burning and cutting successively, realize the operation can carrying out individual secure under thoracoscope under less space; Because guide rod adopts hollow tubing conductor, the traction being convenient to seal wire on the one hand stretches, the curved shape of guide rod can be changed arbitrarily on the other hand, to adapt to the operation of different parts, position can change flexibly, controls simple, and it is convenient to control, without the need to adopting unnecessary assistive device, pericardium can be completed cut operation under thoracoscope.
The aforesaid electric knife cut for Microendoscopic pericardium, described wire guide is the braided steel wire of diameter 0.2-0.3mm, increases contact area, improves the coagulant property of wire guide.
The aforesaid electric knife cut for Microendoscopic pericardium, the width of described plastic plate is 4-6mm, and length is 40-60mm, and is provided with silica gel overlay film on the surface of described plastic plate, and silica gel overlay film smooth surface not easily scratches heart and insulation.
The aforesaid electric knife cut for Microendoscopic pericardium, described guide rod is the hollow metal tube of length 10-12cm, can be bent into arbitrary shape, is convenient to operate under the guiding of chamber mirror, for guaranteeing safety, is provided with silica gel overlay film outside described hollow pipe.
Further, the aforesaid electric knife cut for Microendoscopic pericardium, described wire guide and plastic plate link are provided with insulation protective jacket, avoid plastic plate end to touch heart, reduce sharp edge to the stimulation of heart surface.
The operational approach of the electric knife for the incision of Microendoscopic pericardium of the present invention, comprises the following steps:
(1) the driving switch of electric knife pushes the original shelves of switch, and the power line of electric knife and power supply are connected;
(2) the electric knife head of plastic plate one end is entered after near heart by pericardium opening, and wire guide, to seal wire molding shelves, upwards draws by regulation stall switch, plastic plate is formed arciform;
(3) pass through the position of the arciform plastic plate of endoscopic observation and wire guide, confirm that errorless rear regulation stall switch is to blood coagulation shelves, makes wire guide be energized, because temperature is relatively low under this gear, first can carry out blood coagulation to cutting opening, avoid hemorrhage more;
(4) regulation stall switch is to burning and cutting shelves, is wrapped happily in the protection incision of arciform plastic plate by the temperature improving wire guide,
(5) repeat above-mentioned steps, cut completely to pericardium.
The present invention compares through row with prior art, and the advantage had is:
Human heart is in completely airtight pericardial cavity by pericardium protection; a small amount of hydrops lubricate is had in pericardial cavity; volt is pasted closely between heart surface and pericardium; department of cardiac surgery completes operation technique all to be needed to open pericardium; tradition pericardial incision all needs electric knife or apparatus to cut off; because heart is near pericardium; often on pericardial incision path, nonconducting apparatus will be stretched into separate heart by pericardium intracavity, avoid pericardium opening operation to the damage of heart and adverse effect or open pericardium by apparatus tractive pericardium with the gap expanding pericardium and heart.But excessively tractive pericardium has the rough sledding easily causing displacement of heart and blood pressure drops.Therefore traditional pericardium unfolding mode is aforesaid pericardium lower liner such as, increase surgical operation step, and pericardium tractive affects circulation, all has the aspect being unfavorable for performing the operation.In open surgery, the mode of operated by two people can be adopted effectively to reduce risks, but in Minimally Invasive Surgery, usually operation technique can only be completed by operating doctor one people, and the present invention makes the independent operation of operating doctor become possibility, and avoid above-mentioned unfavorable aspect, make pericardial incision become simple and quick, improve the safety of operation; Electric knife of the present invention has been filled up and carried out single independent this blank of cutting pericardium under thoracoscope, feasible under the guiding of thoracoscope, improves pericardial incision efficiency, reduces art risk.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is working state structure schematic diagram of the present invention.
Detailed description of the invention
The present invention is described in further detail below:
embodiment 1
A kind of electric knife cut for Microendoscopic pericardium that the present embodiment provides, structure as depicted in figs. 1 and 2, comprise guide rod 1 and be connected to the handle 2 of guide rod, handle is provided with driving switch 3, driving switch, for being provided with fourth gear, is followed successively by the original shelves of switch, seal wire molding shelves, blood coagulation shelves and burning and cutting shelves from bottom to top, guide rod 1 is the hollow metal tube of length 10cm, is provided with silica gel overlay film outside hollow pipe, one end of guide rod is connected with the end winding support of strip plastic plate 4, the width of plastic plate 4 is 5mm, length is 50mm, and be provided with silica gel overlay film on the surface of plastic plate, plastic plate and guide rod 1 are arranged in obtuse angle, and thread eye 5 is provided with on the guide rod of plastic plate and guide rod junction, the other end of plastic plate is fixed with wire guide 6, wire guide 6 and plastic plate link are provided with insulation protective jacket 7, the wire guide that the present embodiment adopts is the braided steel wire of diameter 0.2mm, be conducive to blood coagulation and be separated pericardium, the wire guide other end enters along thread eye and is connected with the driving switch 3 be arranged on handle, traction wire guide is stirred tight by driving switch, plastics are made to form the duty of " bow " shape by tight wire guide, driving switch is connected with circumscripted power line 8 by wire.
The operational approach of the present embodiment, comprises the following steps:
(2) the driving switch of electric knife pushes the original shelves of switch, and electric knife power supply is connected;
(2), after the electric knife head of plastic plate one end enters pericardial cavity by pericardium opening, wire guide, to seal wire molding shelves, upwards draws by regulation stall switch, plastic plate is formed arciform;
(3) pass through the position of the arciform plastic plate of endoscopic observation and wire guide, confirm that errorless rear regulation stall switch is to blood coagulation shelves, makes wire guide be energized, because temperature is relatively low under this gear, first can carry out blood coagulation to cutting opening, avoid hemorrhage more;
(4) regulation stall switch is to burning and cutting shelves, is wrapped happily in the protection incision of arciform plastic plate by the temperature improving wire guide,
(5) repeat above-mentioned steps, cut completely to pericardium.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (6)
1. for the electric knife of Microendoscopic pericardium incision, comprise guide rod and be connected to the hands handle of described guide rod, described handle is provided with driving switch, it is characterized in that: described guide rod is hollow pipe, one end of described guide rod is connected with the end winding support of strip plastic plate, described plastic plate and described guide rod are arranged in obtuse angle, and thread eye is provided with on the guide rod of described plastic plate and guide rod junction, the other end of described plastic plate is fixed with wire guide, described wire guide enters along described thread eye and is connected with the driving switch be arranged on handle, the described wire guide of traction is stirred tight by described driving switch, described plastics are made to form the duty of " bow " shape by tight wire guide, described driving switch is connected with circumscripted power line by wire.
2. the electric knife cut for Microendoscopic pericardium according to claim 1, is characterized in that: described driving switch, for being provided with fourth gear, is followed successively by the original shelves of switch, seal wire molding shelves, blood coagulation shelves and burning and cutting shelves from bottom to top.
3. the electric knife cut for Microendoscopic pericardium according to claim 1, is characterized in that: described wire guide is the braided steel wire of diameter 0.2-0.3mm.
4. the electric knife cut for Microendoscopic pericardium according to claim 1, is characterized in that: the width of described plastic plate is 4-6mm, and length is 40-60mm, and is provided with silica gel overlay film on the surface of described plastic plate.
5. the electric knife cut for Microendoscopic pericardium according to claim 1, is characterized in that: described guide rod is the hollow metal tube of length 10-12cm, is provided with silica gel overlay film outside described hollow pipe.
6. the electric knife cut for Microendoscopic pericardium according to claim 1, is characterized in that: described wire guide and plastic plate link are provided with insulation protective jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412965.6A CN104921803A (en) | 2015-07-14 | 2015-07-14 | Electrotome used for incising pericardium under endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412965.6A CN104921803A (en) | 2015-07-14 | 2015-07-14 | Electrotome used for incising pericardium under endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104921803A true CN104921803A (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510412965.6A Pending CN104921803A (en) | 2015-07-14 | 2015-07-14 | Electrotome used for incising pericardium under endoscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108236497A (en) * | 2016-12-26 | 2018-07-03 | 上海埃尔顿医疗器械有限公司 | A kind of soft scope high frequency incision knife |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910279A (en) * | 1973-06-20 | 1975-10-07 | Olympus Optical Co | Electrosurgical instrument |
| DE2657256A1 (en) * | 1976-12-17 | 1978-06-29 | Wolfgang Haag | HF diathermic cutting instrument - has wire anchored in tip of endoscope tube, pulled to bend over tip |
| US4325374A (en) * | 1979-06-04 | 1982-04-20 | Olympus Optical Co., Ltd. | High frequency electrosurgical instrument for an endoscope |
| CN203619670U (en) * | 2013-09-18 | 2014-06-04 | 上海慧达医疗器械有限公司 | Highly-selective multifunctional catheter in renal artery |
| CN204839733U (en) * | 2015-07-14 | 2015-12-09 | 陈宇 | A electrotome that pericardium cut under was used for endoscope |
-
2015
- 2015-07-14 CN CN201510412965.6A patent/CN104921803A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910279A (en) * | 1973-06-20 | 1975-10-07 | Olympus Optical Co | Electrosurgical instrument |
| DE2657256A1 (en) * | 1976-12-17 | 1978-06-29 | Wolfgang Haag | HF diathermic cutting instrument - has wire anchored in tip of endoscope tube, pulled to bend over tip |
| US4325374A (en) * | 1979-06-04 | 1982-04-20 | Olympus Optical Co., Ltd. | High frequency electrosurgical instrument for an endoscope |
| CN203619670U (en) * | 2013-09-18 | 2014-06-04 | 上海慧达医疗器械有限公司 | Highly-selective multifunctional catheter in renal artery |
| CN204839733U (en) * | 2015-07-14 | 2015-12-09 | 陈宇 | A electrotome that pericardium cut under was used for endoscope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108236497A (en) * | 2016-12-26 | 2018-07-03 | 上海埃尔顿医疗器械有限公司 | A kind of soft scope high frequency incision knife |
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Application publication date: 20150923 |