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					                                               TECHNICAL TIPS
                                                                              B I P O L A R I N S T R U M E N TAT I O N




  BIPOLAR INSTRUMENTATION
                                                                              Both monopolar and bipolar electrosurgery are used
    BIPOLAR ADSON FORCEPS
    1.0MM TIPS
    12.5CM/5IN                                                                to achieve the same function which is to produce high
    ITEM #180-010
                                                                              heats necessary effect the tissue being worked on in

                                                                              the desired manner, whether for cautery or to cut and

                                                                              remove the tissue. It is necessary for the tissue to be dried

                                                                              in order to attain the desired effect.


                                                                                BIPOLAR SEMKEN FORCEPS
                                                                                1.5MM TIPS
                                                                                14CM/5.5IN
                                                                                ITEM #180-030




                                           ENLARGED TIP




  Since the late 90’s the number bipolar electrosurgery                                                                   ENLARGED TIP

  procedures have drastically increased. This increase in

  popularity can be primarily contributed to the increase in

  laparoscopic surgeries. With the shift from open procedures

  to the less invasive laparoscopic surgeries, this steady

  increase in bipolar electrosurgery and the instruments

  used in these procedures will only continue to climb.


955 Shotgun Road, Sunrise FL 33326 • Phone Toll Free 1-800-697-1119 • 954-924-4418 • Fax Toll Free 1-800-748-2089 • 954-924-4419 • www.marinamedical.com
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                                 T E C H N I C A L T I P S : B I P O L A R I N S T R U M E N TAT I O N ( C O N T I N U E D )



                                                                                 The path in which the
    BIPOLAR BAYONET FORCEPS                                                                                               MONOPOLAR
    1.0MM TIPS                                                                                                            CONNECTION
    18.5CM/7.25IN                                                                electro current travels is               PORTS
    ITEM #180-055                                                                                                         (FIGURE 4)
                                                                                 also different in the two

                                                                                 sets of instruments. The

                                                                                 monopolar instruments run

                                                                                 the electrical current from

                                                                                 the distal end of the

                                                                                 instrument to the proximal end; similar to standard

                                                                                 electrodes, all monopolar instruments require a patient

                                                                                 return electrode or pad (PRE) to be placed on the patient

                                                                                 which will end the current from continuing to affect the

                                                                                 patient as the current needs to travel through the body

                                           ENLARGED TIP                          to complete the circuit. Bipolar instrumentation however

                                                                                 runs the current in a circular circuit from one of the

                                                                                 electrodes or poles on the instrument, through the tips

                                                                                 and back out the other electrode or pole thus completing

                                                                                 the circuit. The use of a patient return pad is not necessary

                                                                                 when bipolar only procedures are done.



                                                                                  BIPOLAR JEWLERS FORCEPS #7
  The drying of tissue is referred to as desiccation. Despite                     .4MM TIPS
                                                                                  11.5CM/4.5IN
  the similarities in the overall functionality of electrosurgical                ITEM #180-020

  instruments, there are several differences between bipolar

  and monopolar instrumentation. The most obvious is the

  fact that bipolar instruments are able to safely control a

  higher voltage of the electrical current which is used to

  generate heat through the exposed tips of the instruments.

  From a physical standpoint the bipolar instrumentation

                                       is equipped with two
    BIPOLAR
    CONNECTION                         electrodes (or poles) both
    PORTS                                                                                                                      ENLARGED TIP
    (FIGURE 3)
                                       of which contain an equal

                                       power density (see figure 3),

                                       whereas the monopolar

                                       instruments only have an

                                       exposed part of the distal

                                       end present (see figure 4).


955 Shotgun Road, Sunrise FL 33326 • Phone Toll Free 1-800-697-1119 • 954-924-4418 • Fax Toll Free 1-800-748-2089 • 954-924-4419 • www.marinamedical.com
                                                                                                                                                  Page 2
                                   T E C H N I C A L T I P S : B I P O L A R I N S T R U M E N TAT I O N ( C O N T I N U E D )



  Another important difference in between monopolar and                            Furthermore, by working with a
                                                                                                                                 MONOPOLAR
                                                                                                                                 FORCEPS
  bipolar surgery is the bipolar’s use of a low voltage waveform                   low voltage continuous current

  and the decreased risk associated with capacitive coupling.                      there is little to no chance of

  Capacitive coupling occurs when an electrical current is                         sparking. Higher bipolar settings

  transferred from a conductor (electrode) through intact                          may cause the outer tissue to dry

  insulation and adjacent conductive materials such as other                       and the inner tissue to remain

  instruments, cannulas or patient tissue.                                         visible, resulting in re-bleeding.

                                                                                   Bipolar electrosurgery is
  Because tissue dries out better over a longer period of
                                                                                   recommended whenever
  time with lower heat as opposed to very high heat and a
                                                                                   possible due to the reduced
  short time, it is recommended for the desiccation of tissue
                                                                                   risk of patient injury.
  to use bipolar low voltage continuous current.

                                                                                   Marina Medical manufacturers a
   300-300A ELECTRO SURGERY UNIT
                                                                                   variety of bipolar instrumentation;

                                                                                   please see the list below to

                                                                                   view our product codes and

                                                                                   our most popular bipolar

                                                                                   instruments as well as the

                                                                                   accessories included with bipolar

                                                                                   electrosurgery, including our electrosurgery machine.



     ITEM
                                                                        ITEM DISCRIPTION
    NUMBER


     180-010         Bi-Polar Forceps, Adson Forceps, 1.0mm Tips, 12.5cm/5in
     180-020         Bipolar Jewelers Forceps - #7, .4mm Tips: 11.5cm/4.5in
     180-030         Bipolar Semken Forceps, 1.5mm Tips: 14cm/5.5in
     180-040         Bipolar Micro Cushing Forceps, .7mm Tips: 14cm/5.5in
     180-050         Bipolar Cushing Forceps, 1.5mm Tips: 18cm/7in
     180-055         Bi-Polar Forceps, Bayonet Forceps, 1.0mm Tips: 18.5cm/7.25in
     180-060         Bipolar Gerald Forceps, 1.0mm Tips: 18cm/7in
     180-065         Bi-Polar Forceps, Cushing Bayonet Forceps, .5mm Tips: 18.5cm/7.25in (Insulated - Non Stick)
     180-066         Bi-Polar Forceps, Cushing Bayonet Forceps, .7mm Tips: 19cm/7.5in (Insulated - Non Stick)
     180-070         Bipolar Scoville Forceps, 2.0mm Tips, Bayonet, Insulated: 19.5cm/7.75in
     180-080         Bipolar Gerald Forceps, 1.0mm Tips, Bayonet: 18.5cm/7.25in
     180-140         Bi-Polar Cord, 12 feet, Autoclavable, Reusable




955 Shotgun Road, Sunrise FL 33326 • Phone Toll Free 1-800-697-1119 • 954-924-4418 • Fax Toll Free 1-800-748-2089 • 954-924-4419 • www.marinamedical.com
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