US20130231661A1 - Electrosurgical midline clamping scissors - Google Patents
Electrosurgical midline clamping scissors Download PDFInfo
- Publication number
- US20130231661A1 US20130231661A1 US13/410,109 US201213410109A US2013231661A1 US 20130231661 A1 US20130231661 A1 US 20130231661A1 US 201213410109 A US201213410109 A US 201213410109A US 2013231661 A1 US2013231661 A1 US 2013231661A1
- Authority
- US
- United States
- Prior art keywords
- arms
- midline
- jaws
- elongate
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000004020 conductor Substances 0.000 claims abstract description 19
- 210000003811 finger Anatomy 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 210000003813 thumb Anatomy 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims 2
- 206010069808 Electrical burn Diseases 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 3
- 210000001519 tissue Anatomy 0.000 description 9
- 210000004204 blood vessel Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009297 electrocoagulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000002674 endoscopic surgery Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010065369 Burnout syndrome Diseases 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002874 hemostatic agent Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 210000001944 turbinate Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B2018/1452—Probes having pivoting end effectors, e.g. forceps including means for cutting
- A61B2018/1457—Probes having pivoting end effectors, e.g. forceps including means for cutting having opposing blades cutting tissue grasped by the jaws, i.e. combined scissors and pliers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B2018/146—Scissors
Abstract
The electrosurgical midline clamping scissors includes a pair of elongate arms pivotal about each other at a common axis. Each arm includes a finger loop at one end and a jaw at the opposite end. Each jaw includes a midline cutting section and a grasping section on either side of a cutting blade in the cutting section. A wire is operatively connected from a generator to each arm to transmit electricity or radio frequency through electrical conductors inside the arms. The electrical conductors extend into the jaws to form a bipolar configuration. During use, as the jaws close, the jaws complete the circuit and simultaneously clamp, cut and electrocoagulate the target tissue.
Description
- 1. Field of the Invention
- The present invention relates to surgical instruments, and particularly to an electrosurgical midline clamping scissors that simultaneously cuts and electrocoagulates the incision.
- 2. Description of the Related Art
- During surgical operation, electrocauterization is a process in which the tissue or blood vessel being cut is applied with electrical or radio frequency energy at the incision site to fuse or seal the cut ends by heat. In order to provide this energy, an instrument capable of conducting electricity must be placed at that site. The conductive instrument may have one electrode (monopolar) that cooperates with a remote conductive body plate electrode, or the instrument may have two closely spaced electrodes (bipolar).
- There are two main actions that a surgeon must exercise extensively in both open and endoscopic surgery: precision of incisions, and control of bleeding. The former is wholly dependent upon the experience, skill and knowledge of the surgeon, while the latter is usually facilitated by special instruments. In the past, a surgeon would perform cuts with scissors and induce coagulation by clamping the cut ends or the desired area with surgical forceps. This is a time-consuming process, since the surgeon must manipulate two different instruments at separate times. In some instances, time can be a critical factor for the survival of the patient if the bleeding at the incision is not controlled in time. Prolonged surgical procedures also increase risks due to increasing probability of surgeon mistakes. The longer the surgery lasts, the surgeon becomes more prone to procedural mistakes from physical and mental exhaustion.
- More recent developments in electrocoagulation and electrocauterization include electrosurgical instruments, such as combination bipolar scissors and forceps. These types of instruments eliminate much of the time-consuming aspects of the above cut-and-coagulate procedure. However, most are complex in construction and/or tend to require at least two steps to perform. One of these instruments utilizes two separate triggers, one trigger to actuate the forceps and clamp the desired target area, and the other trigger to actuate the cutter. Another similar combination bipolar instrument includes forceps features at a distal end from the cutting blades of the scissors. While the functionality of clamping and cutting exists in this type of device, both functions cannot be performed simultaneously.
- Thus, an electrosurgical midline clamping scissors solving the aforementioned problems is desired.
- The electrosurgical midline clamping scissors includes a pair of elongate arms pivotal about each other at a common axis. Each arm includes a finger loop at one end and a jaw at the opposite end. Each jaw includes a midline cutting section and a grasping section on either side of a cutting blade in the cutting section. A wire is operatively connected from a generator to each arm to transmit electricity or radio frequency through electrical conductors inside the arms. The electrical conductors extend into the jaws to form a bipolar configuration. During use, as the jaws close, the jaws complete the circuit and simultaneously clamp, cut and electrocoagulate the target tissue. A monopolar configuration is also described.
- These and other features of the present invention will become readily apparent upon further review of the following specification and drawings.
-
FIG. 1 is an environmental, perspective view of an electrosurgical midline clamping scissors according to the present invention. -
FIG. 2 is a perspective view of the electrosurgical midline clamping scissors shown inFIG. 1 . -
FIG. 3 is an enlarged perspective view in section of the jaws of an electrosurgical midline clamping scissors according to the present invention. -
FIG. 4 is a perspective view of an alternative embodiment of electrosurgical midline clamping scissors according to the present invention. -
FIG. 5 is a perspective view of another alternative embodiment of electrosurgical midline clamping scissors according to the present invention. - Similar reference characters denote corresponding features consistently throughout the attached drawings.
- As shown in
FIGS. 1-3 , in a first embodiment, the electrosurgical midline clamping scissors are configured to simultaneously clamp, electrocoagulate and cut tissue or blood vessels thereby minimizing the time required to perform the procedure. In this embodiment, the electrosurgicalmidline clamping scissors 10 is configured as a bipolar instrument. - As shown in
FIGS. 1 and 2 , the electrosurgical midline clamping scissors includes first andsecond finger loops elongate arms locking ratchet mechanism 15, similar to the locking mechanism of a hemostat, extends from or near the junction of the first andsecond finger loops second arms - The first and
second arms pivot pin joint 16 for providing rotating motion about a common axis. The twoelongate arms second jaws arms - As mentioned previously, the electrosurgical
midline clamping scissors 10 is a bipolar instrument because a bipolar configuration is generally preferred in order to minimize electrical current travel. Agenerator 20 or other current source is disposed apart or remote from the main instrument and generates the radio frequency or electric energy required for the electrocoagulation. First andsecond wires first wire 21 is connected to afirst terminal 23 on thefirst arm 13, while asecond wire 22 is connected to asecond terminal 24 on thesecond arm 14. Eacharm electrical conductor 25 and a secondelectrical conductor 26 extending from theterminals electrical conductor 25, 26 (e.g., an insulated wire) extends through a lumen in thescissor arms second jaws electrical conductors arms generator wires arms arms jaws generator 20 or current source is transported through thewires terminals electrical conductors arms jaws - Since the electrosurgical
midline clamping scissors 10 functions in a similar manner to live electrodes, some safety measures must be taken into account. To protect the user from electrical shock and unwanted bum to the surrounding tissue close to the target vessel V or target tissue in a patient, a covering or coating of insulating material can be provided on thefinger loops elongate arms pivot pin 16, and the outer surface of thejaws electrical connecters elongated arms jaws - As shown in
FIGS. 2 and 3 , eachjaw first jaw 17 includes a midline cutting section having a protrudingcutting blade 31 extending a substantial length of thefirst jaw 17 and alongitudinal groove 33 adjacent thereto. Similarly, the upper,second jaw 18 includes a protrudingcutting blade 32 and adjacentlongitudinal groove 34. In use, as thefirst blade 31 and thesecond blade 32 close toward each other so that the cutting edge of thefirst cutting blade 31 extends into the secondlongitudinal groove 34, while the cutting edge of thesecond cutting blade 32 extends into the firstlongitudinal groove 33 in the same manner to facilitate and complete the cut. - Each
jaw first jaw 17 includes a first graspingsection 35 disposed on one lateral side of the midline cutting section and a second graspingsection 37 disposed on the other side of the midline cutting section. Theelectrical conductor 25 from thefirst arm 13 branches intoelectrical sub-conductors 27 or electrodes that extend into the first and second graspingsections second jaw 18 also includes a first graspingsection 34, a second graspingsection 36, and branchingelectrical sub-conductors 28 or electrodes from theelectrical conductor 26. Each graspingsection - In use, the
jaws finger loops jaws finger loops jaws jaws sections cutting blades electrical sub-conductors 28, to the other, e.g., theelectrical sub-conductors 27, closes an electric circuit and produces sufficient heat to seal blood vessels or to coagulate blood vessels in the tissue. Thus, simultaneous clamping, cutting and electro coagulation can be performed in one action, saving the surgeon considerable time compared to conventional handling of multiple surgical instruments. - An alternative embodiment of electrosurgical
midline clamping scissors 100 is shown inFIG. 4 . In this embodiment, themidline clamping scissors 100 is configured to assist the surgeon or user in reaching areas difficult to reach or manipulate with the straight configuration of the electrosurgicalmidline clamping scissors 10. Since the electrosurgicalmidline clamping scissors 100 is substantially similar to previously described, the main differences will be highlighted by reference number. It should be understood that any features not mentioned or referenced by reference number are to be incorporated from the previous embodiment. - As shown, the electrosurgical
midline clamping scissors 100 is configured the same as the previous embodiment, except for the firstelongate arm 113 and the secondelongate arm 114. Eacharm midline clamping scissors 100 in the conventional horizontal position, while the jaws point downward. This is preferable in certain procedures, such as partial removal of the inferior turbinate in the nasal cavity or in endoscopic surgery, with different lengths and sizes. - A still further alternative embodiment is shown in
FIG. 5 . In this embodiment, the electrosurgicalmidline clamping scissors 200 is configured as a monopolar electrosurgical instrument, instead of the bipolar configuration of the previous embodiments. The electrosurgicalmidline clamping scissors 200 does not include any of the electrical conductors mentioned above. Instead, thegenerator 220 or current source includes a line orwire 222 connected to the electrosurgicalmidline clamping scissors 200 and another line orwire 221 connected to a remote, conductivebody plate electrode 240 that completes the circuit whenever thescissors 200 is in operation. The electrosurgicalmidline clamping scissors 200 function as a conductor. As with the previous embodiments, the finger loops, elongate arms, pivot pin and the outer surface of the jaws are covered or coated with insulating material, as diagrammatically indicated byreference number 242. The angled electrosurgicalmidline clamping scissors 100 described can be similarly configured to operate as a monopolar electrosurgical instrument. - It is to be understood that the present invention is not limited to the embodiments described above, but encompasses any and all embodiments within the scope of the following claims.
Claims (10)
1. An electrosurgical midline clamping scissors, comprising:
a pair of arms including first and second substantially elongate arms, each of the arms having a proximal end and a distal end;
a pivot joint connecting the first and second arms medially, the pivot joint defining a common axis for pivoting movement of the first and second arms with respect to each other;
a finger loop disposed at the proximal end of each of the arms, the finger loop being adapted for receiving thumbs and fingers of a user for manipulating the elongate arms;
a jaw connected to the distal end of each of the arms, each of the jaws having an elongate midline cutting section for cutting target tissue and an elongate grasping section disposed on both lateral sides of the cutting section, the jaws being movable between a spaced, open position and a closed position by pivotal movement of the first and second arms, the grasping sections being adapted for holding and clamping the target tissue during use;
a locking mechanism disposed between the finger loops of the elongate arms;
a generator for producing an electric current, each of the arms having a terminal, the generator having lines to each of the terminals; and
an electrical conductor disposed inside each of the scissor arms, each of the electrical conductors extending from the terminals through the arms to the respective jaws;
wherein closing of the jaws about the target tissue completes an electric circuit and simultaneously clamps, cuts and electrocoagulates the target tissue.
2. The electrosurgical midline clamping scissors according to claim 1 , wherein said jaws comprise complementary first and second jaws; the midline cutting section of the first jaw having an elongate cutting blade and an adjacent longitudinal groove, the cutting blade having an elongate cutting edge; the midline cutting section of the second jaw having an elongate cutting blade and an adjacent longitudinal groove, the cutting blade having an elongate cutting edge; wherein the first blade extends into the second longitudinal groove and the second blade extends into the first longitudinal groove when said jaws are closed to complete cutting the target tissue between the blades.
3. The electrosurgical midline clamping scissors according to claim 2 , wherein said grasping sections have serrated surfaces.
4. The electrosurgical midline clamping scissors according to claim 1 , wherein each of said first and second arms is bent near said pivot joint.
5. The electro surgical midline clamping scissors according to claim 1 , further comprising an insulating coating disposed over said finger loops, said elongate arms, said pivot joint, and an outer surface of said jaws to prevent electric shock and electrical bums.
6. An electrosurgical midline clamping scissors, comprising:
a pair of arms including first and second substantially elongate arms, each of the arms having a proximal end and a distal end;
a pivot joint connecting the first and second arms medially, the pivot joint defining a common axis for pivoting movement of the first and second arms with respect to each other;
a finger loop disposed at the proximal end of each of the arms, the finger loops being adapted for receiving thumbs and fingers of a user for manipulating the elongate arms;
a jaw disposed at the distal end of each of the arms, each of the jaws having an elongate midline cutting section for cutting target tissue and an elongate grasping section disposed on both lateral sides of the cutting section, the jaws being movable between a spaced, open position and a closed position by pivotal movement of the first and second arms, the grasping sections holding and clamping the target tissue during use;
a locking mechanism disposed between the finger loops and the elongate arms;
a generator for producing electric current or radio frequency, the generator having a line connected to one of the arms; and
a conductive body plate electrode disposed remotely from the arms, the generator having a second line connected to the conductive body plate electrode;
wherein at least one of the arms and jaws is conductive, and wherein closing the jaws about the target tissue simultaneously clamps, cuts and electrocoagulates the target tissue.
7. The electrosurgical midline clamping scissors according to claim 6 , wherein said jaws comprise complementary first and second jaws; the midline cutting section of the first jaw having an elongate cutting blade and an adjacent longitudinal groove, the cutting blade having an elongate cutting edge; the midline cutting section of the second jaw having an elongate cutting blade and an adjacent longitudinal groove, the cutting blade having an elongate cutting edge; wherein the first blade extends into the second longitudinal groove and the second blade extends into the first longitudinal groove when said jaws are closed to complete cutting the target tissue between the blades.
8. The electrosurgical midline clamping scissors according to claim 7 , wherein said grasping sections have serrated surfaces.
9. The electrosurgical midline clamping scissors according to claim 6 , wherein each said first and second arms is bent near said pivot joint.
10. The electrosurgical midline clamping scissors according to claim 6 , further comprising an insulating coating over said finger loops, said elongate arms, said pivot joint, and an outer surface of said jaws to prevent electric shock and electrical burns.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/410,109 US20130231661A1 (en) | 2012-03-01 | 2012-03-01 | Electrosurgical midline clamping scissors |
US13/587,199 US8475454B1 (en) | 2012-03-01 | 2012-08-16 | Electrosurgical midline clamping scissors |
EP12193561.3A EP2633830B1 (en) | 2012-03-01 | 2012-11-21 | Electrosurgical midline clamping scissors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/410,109 US20130231661A1 (en) | 2012-03-01 | 2012-03-01 | Electrosurgical midline clamping scissors |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/587,199 Continuation US8475454B1 (en) | 2012-03-01 | 2012-08-16 | Electrosurgical midline clamping scissors |
Publications (1)
Publication Number | Publication Date |
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US20130231661A1 true US20130231661A1 (en) | 2013-09-05 |
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ID=47278163
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US13/410,109 Abandoned US20130231661A1 (en) | 2012-03-01 | 2012-03-01 | Electrosurgical midline clamping scissors |
US13/587,199 Expired - Fee Related US8475454B1 (en) | 2012-03-01 | 2012-08-16 | Electrosurgical midline clamping scissors |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US13/587,199 Expired - Fee Related US8475454B1 (en) | 2012-03-01 | 2012-08-16 | Electrosurgical midline clamping scissors |
Country Status (2)
Country | Link |
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US (2) | US20130231661A1 (en) |
EP (1) | EP2633830B1 (en) |
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Also Published As
Publication number | Publication date |
---|---|
EP2633830B1 (en) | 2017-04-19 |
EP2633830A1 (en) | 2013-09-04 |
US8475454B1 (en) | 2013-07-02 |
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Legal Events
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STCB | Information on status: application discontinuation |
Free format text: EXPRESSLY ABANDONED -- DURING EXAMINATION |