CN208525034U - The bipolar manual diathermy forceps of electric knife - Google Patents

Abstract

A kind of bipolar manual diathermy forceps of electric knife, include upper tweezer tablet, lower tweezer tablet, contact, conduit, fixing seat and plug；Wherein, upper tweezer tablet and lower tweezer tablet are metallic object, symmetrical shape is identical and locality is oppositely disposed, lower tweezer tablet is provided with conducting surface on the inside of relatively upper tweezer tablet, upper tweezer tablet is coated with insulating coating on the surface at other positions except tweezer tip, and lower tweezer tablet is coated with insulating coating on the surface except tweezer tip and other positions of conducting surface；Conduit is fixed on the inside for descending tweezer tablet relatively of tweezer tablet, and surface is coated with insulating coating；Contact is made of electric conductor and insulator, is planted and is fixed in conduit, and the position on the head of the electric conductor is opposite with the conducting surface of lower tweezer tablet；Plug includes three root cutting needles, and the tail portion with the electric conductor of upper tweezer tablet, lower tweezer tablet and contact is electrically connected respectively, and junction of tweezer tablet, lower tweezer tablet and electric conductor and contact pin is fixed in fixing seat on this.The utility model have many advantages, such as structure be simple and convenient to operate, securely and reliably, low cost, the long-life.

Description

The bipolar manual diathermy forceps of electric knife

Technical field

The utility model relates to medical high frequency surgical equipments, more particularly to a kind of bipolar manual coagulation of electric knife Tweezer belongs to the field of medical instrument technology.

Background technique

Electric knife is a kind of surgery electronic medical equipment for replacing mechanical instrument to carry out surgical cut and blood coagulation, is led to The high-frequency current that operation eletrode tip generates is crossed to heat tissue when contacting with human body, realize separation to injected organism tissue with Solidification, to achieve the purpose that cutting and hemostasis.

Bipolar coagulation forceps are attachmentes very common in high-frequency surgery electric knife, and floor push is used to control power output, though It can so achieve the goal, but there are following Railway Projects: first, operator's hand will also have sth on one's mind foot while work, when long Between wholeheartedly two with easily causing operation error；Second, encountering the frequent surgery situation of on-off, the foot of operator needs always It is placed on floor push, causes additional physical strength and mental burden, easily cause fatigue；Third, floor push external cable accounts for With space, also it is easy accidentally to touch accidentally to step on, leads to contingency；Fourth, the general volume of floor push is larger, there are bad placement and at The problems such as this is high.

Utility model content

To overcome drawbacks described above present in existing bipolar coagulation forceps, the utility model provides a kind of electric knife with bipolar Manual diathermy forceps are controlled power output by directly increasing a switching mechanism with bipolar coagulation forceps sheet, are replaced with this Floor push achievees the purpose that simplified structure, facilitates operation, avoids accident.

The technical scheme in the invention for solving the technical problem is as follows:

A kind of bipolar manual diathermy forceps of electric knife include upper tweezer tablet, lower tweezer tablet, contact, conduit, fixing seat and are inserted Head；The upper tweezer tablet and lower tweezer tablet are metallic object, and symmetrical shape is identical and locality is oppositely disposed, and the lower tweezer tablet is in phase To conducting surface is provided on the inside of the upper tweezer tablet, the upper tweezer tablet is coated with absolutely on the surface at other positions except tweezer tip Edge coating, the lower tweezer tablet are coated with insulating coating on the surface except tweezer tip and other positions of conducting surface；The conduit is solid It is scheduled on the inside of the relatively described lower tweezer tablet of the upper tweezer tablet, surface is coated with insulating coating；The contact is by electric conductor and absolutely Edge body is constituted, and is planted and is fixed in the conduit, the position on the head of the electric conductor is opposite with the conducting surface of the lower tweezer tablet； The plug includes three root cutting needles, and the tail portion with the electric conductor of the upper tweezer tablet, lower tweezer tablet and contact is electrically connected respectively, Junction of tweezer tablet, lower tweezer tablet and electric conductor and the contact pin is fixed in the fixing seat on this.

Further, the contact is a rhabodoid, and 90 ° of front end bending are in bending, and the electric conductor is located at inner core Portion, the insulator are coated on the periphery of the electric conductor and make in insulation is played between the electric conductor and the tube wall of the conduit With the head and tail portion of the electric conductor are stretched out respectively except the insulator.

Further, the insulating coating is epoxy resin or polyester resin.

Further, the insulation pressure resistance of the insulating coating reaches exchange 3000V.

Further, power is defeated after the electric conductor of the contact is connected with the conducting surface initial contact of the lower tweezer tablet Out, power persistently exports after disengaging, just stops power output after being contacted again conducting.

Further, the inside of the fixing seat is sealed using viscose glue.

Further, the connection resistance of the upper tweezer tablet, lower tweezer tablet and electric conductor and the contact pin is less than 1 Ω.

Further, when the tweezer tip of the upper tweezer tablet is in contact with the tweezer tip of the lower tweezer tablet, the contact The head of electric conductor is not contacted with the conducting surface of the lower tweezer tablet, and the two distance is 1mm~1.5mm, exports shape in inactivity State.

Further, the insulation pressure resistance between the upper tweezer tablet and lower tweezer tablet, which reaches, exchanges 1000V, and the contact is led Insulation pressure resistance between electric body and the upper tweezer tablet, which reaches, exchanges 2400V.

The advantageous effects of the utility model are as follows:

1, the utility model simplifies structure, eliminates floor push and external cable, reduces costs, and reduces occupancy Space.

2, easy to operate, operator is not required to two use of diverting one's attention during operation, can be perceived by feel, not diverting sb.'s attention energy Enough real-time monitoring switch states, only can complete to operate, also not allow to easily cause operation error by one hand, very convenient.

3, safe and reliable, since external cable and floor push is omitted, avoids accidentally to touch and accidentally step on caused accident Accident.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is connection schematic diagram at the utility model fixing seat.

In figure, 1-upper tweezer tablet, 2-lower tweezer tablets, 21-conducting surfaces, 3-contacts, 31-electric conductors, 32-insulators, 4- Conduit, 5-fixing seats, 6-plugs, 7-electric wires.

Specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, but should not be limited with this The protection scope of the utility model.

Referring to Fig. 1, diagram electric knife is included upper tweezer tablet 1, lower tweezer tablet 2, contact 3, is led with bipolar manual diathermy forceps Pipe 4, fixing seat 5 and plug 6.

The upper tweezer tablet 1 and lower tweezer tablet 2 are conductive metallic object, their symmetrical shapes are identical and locality relatively Setting.The lower tweezer tablet 2 is provided with conducting surface 21 in inside, which is the side relative to the upper tweezer tablet；The lower tweezer Piece 2 is coated with insulating coating on the surface except tweezer tip and other positions of conducting surface 21.The upper tweezer tablet 1 is removing tweezer tip The surface at other positions be also coated with insulating coating.The conduit 4 is a hollow tube, is fixed on the inside of the upper tweezer tablet 1, The inside is the side relative to the lower tweezer tablet 2, the irremovable disassembly of conduit 4, using the fixation base as the contact 3 Seat.

The contact 3 is a rhabodoid, and rear portion penetrates plant and is fixed in the conduit 4, to reach fixed effect 90 ° of front end bending of fruit, the contact 3 are in bending, perpendicular to the upper tweezer tablet 1.Please refer to Fig. 2, the contact 3 is by leading Electric body 31 and insulator 32 are constituted, which is located at the inner core of the contact 3, which is coated on the conduction The periphery of body 31, and between the electric conductor 31 and the tube wall of the conduit 4, plays insulating effect, the electric conductor 31 with This insulate with the conduit 4 and upper tweezer tablet 1；The head and tail portion of the electric conductor 31 are stretched out respectively except the insulator 32, The conducting surface 21 of the position on the head of the electric conductor 31 and the lower tweezer tablet 2 is opposite, leads described in the tail portion stretching of the insulator 32 Except pipe 4.

Referring to Fig. 2, the plug 6 includes three root cutting needles, respectively with the upper tweezer tablet 1, lower tweezer tablet 2 and contact 3 The tail portion of electric conductor 31 is electrically connected by electric wire 7, the connection of tweezer tablet 1, lower tweezer tablet 2 and electric conductor 31 and the contact pin on this Resistance is less than 1 Ω.The fixing seat 5 is fixed in the junction of the upper tweezer tablet 1, lower tweezer tablet 2 and electric conductor 31 and the contact pin In, the inside of the fixing seat 5 is secured using viscose glue.

The requires of the utility model pays special attention to electrical insulation capability, because this is related to operative doctor, nurse and patient on platform Personal safety.The upper tweezer tablet 1, lower tweezer tablet 2 and 4 surface of conduit are coated with insulating coating, and the insulating coating is using insulation The epoxy resin or polyester resin of better performances, the insulation pressure resistance between insulating coating and tweezer tablet, which can achieve, exchanges 3000V.It is described Upper tweezer tablet 1 and lower tweezer tablet 2 between insulation can bear frequency be 50HZ AC sine wave 1000V high-potting, last 1min is without breakdown and arcing phenomena (3mA).When the electric conductor 31 contacts conducting with the conducting surface 21 of lower tweezer tablet 2, the conduction Insulation pressure resistance between body 31 and upper tweezer tablet 1, which can achieve, exchanges 2400V, meets the electrical safety performance of the diathermy forceps The requirement of IEC60601-1 and IEC60601-2-2.

The working principle of the utility model is to control power output by the way that the electric conductor 31 and lower tweezer tablet 2 is connected, Its specific operation process are as follows:

When normally pinching tweezers, the electric conductor 31 when two tweezer tips of upper and lower tweezer tablet contact originally, in the contact 3 Head and lower tweezer tablet 2 expose conducting surface 21 be contactless state, the two distance be 1mm~1.5mm, inactivity is defeated at this time Out；Operator continues to press upper and lower tweezer tablet, (has feeling obviously firmly) when pressure is 20~25N, the electric conductor 31 Head contacts conducting with described 21 the two of conducting surface, and the diathermy forceps power output, power persistently exports after unclamping diathermy forceps, this When can work in the case where power output, when needing to stop power output, as long as pressing tweezers again, so that described lead Electric body 31 contacts conducting with conducting surface 21, can stop power output.

It above are only the preferred embodiment of the utility model, it must further be noted that, those skilled in the art Fan Yiben Various equivalent modifications, variation and amendment made by utility model application content should all become the protection model of the utility model patent It encloses.

In conclusion electric knife described in the utility model has good operating experience with bipolar manual diathermy forceps, It uses preferable structure and material again simultaneously, therefore can not only be protected to avoid maloperation caused by prolonged perform the operation It will not be damaged on structure and material after card long-time use.Compared with existing bipolar coagulation forceps, the utility model was both economical real Favour, and the whole one-handed performance of energy, have more practicability.

Claims (9)

1. a kind of bipolar manual diathermy forceps of electric knife, it is characterised in that: the bipolar manual diathermy forceps include upper tweezer tablet, Lower tweezer tablet, contact, conduit, fixing seat and plug；The upper tweezer tablet and lower tweezer tablet are metallic object, and symmetrical shape is identical and position side To being oppositely disposed, the lower tweezer tablet is provided with conducting surface on the inside of the relatively described upper tweezer tablet, and the upper tweezer tablet is removing tweezer The surface at other positions of tip is coated with insulating coating, and the lower tweezer tablet is in the table except tweezer tip and other positions of conducting surface Face is coated with insulating coating；The conduit is fixed on the inside of the relatively described lower tweezer tablet of the upper tweezer tablet, and surface is coated with absolutely Edge coating；The contact is made of electric conductor and insulator, is planted and is fixed in the conduit, the position on the head of the electric conductor It sets opposite with the conducting surface of the lower tweezer tablet；The plug includes three root cutting needles, respectively with the upper tweezer tablet, lower tweezer tablet and touching The tail portion of the electric conductor of head is electrically connected, and institute is fixed in junction of tweezer tablet, lower tweezer tablet and electric conductor and the contact pin on this It states in fixing seat.

2. the bipolar manual diathermy forceps of electric knife according to claim 1, it is characterised in that: the contact is a bar Shape body, 90 ° of front end bending are in bending, and the electric conductor is located at inner core, and the insulator is coated on the periphery of the electric conductor And in insulating effect is played between the electric conductor and the tube wall of the conduit, the head and tail portion of the electric conductor are stretched out respectively Except the insulator.

3. the bipolar manual diathermy forceps of electric knife according to claim 1, it is characterised in that: the insulating coating is Epoxy resin or polyester resin.

4. the bipolar manual diathermy forceps of electric knife according to claim 1, it is characterised in that: the insulating coating Insulation pressure resistance reaches exchange 3000V.

5. the bipolar manual diathermy forceps of electric knife according to claim 1, it is characterised in that: the conduction of the contact Power output after body is connected with the conducting surface initial contact of the lower tweezer tablet, power persistently exports after disengaging, until being contacted again Just stop power output after conducting.

6. the bipolar manual diathermy forceps of electric knife according to claim 1, it is characterised in that: the fixing seat it is interior Portion is sealed using viscose glue.

7. the bipolar manual diathermy forceps of electric knife according to claim 1, it is characterised in that: the upper tweezer tablet, under The connection resistance of tweezer tablet and electric conductor and the contact pin is less than 1 Ω.

8. the bipolar manual diathermy forceps of electric knife according to claim 1, it is characterised in that: the tweezer of the upper tweezer tablet When tip is in contact with the tweezer tip of the lower tweezer tablet, the conducting surface of the head of the electric conductor of the contact and the lower tweezer tablet is not Contact, the two distance are 1mm~1.5mm, are in inactivity output state.

9. the bipolar manual diathermy forceps of electric knife according to claim 1, it is characterised in that: the upper tweezer tablet is under Insulation pressure resistance between tweezer tablet reaches exchange 1000V, and the insulation pressure resistance between the electric conductor of the contact and the upper tweezer tablet reaches To exchange 2400V.