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WO1998004200A1 - Extracteur de fumees a usage chirurgical - Google Patents

Extracteur de fumees a usage chirurgical Download PDF

Info

Publication number
WO1998004200A1
WO1998004200A1 PCT/SE1997/001233 SE9701233W WO9804200A1 WO 1998004200 A1 WO1998004200 A1 WO 1998004200A1 SE 9701233 W SE9701233 W SE 9701233W WO 9804200 A1 WO9804200 A1 WO 9804200A1
Authority
WO
WIPO (PCT)
Prior art keywords
smoke
suction
suction device
equipment
surgical equipment
Prior art date
Application number
PCT/SE1997/001233
Other languages
English (en)
Other versions
WO1998004200A9 (fr
Inventor
Sven-Olof Nyman
Original Assignee
Nyman Sven Olof
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nyman Sven Olof filed Critical Nyman Sven Olof
Priority to AU37119/97A priority Critical patent/AU3711997A/en
Publication of WO1998004200A1 publication Critical patent/WO1998004200A1/fr
Publication of WO1998004200A9 publication Critical patent/WO1998004200A9/fr

Links

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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/007—Aspiration
    • A61B2218/008—Aspiration for smoke evacuation

Definitions

  • the present invention relates to a smoke suction device and to a smoke suction method for use together with smoke-generating surgical equipment. More specifically, the invention relates to a smoke suction device comprising a pump, a filter means, at least one suction nozzle, and sensor for automatically activating the device.
  • smoke develops. Such smoke is undesirable, since it obstructs the surgeon's vision and has an unpleasant odour. A more serious problem is, however, the potential contamination of the smoke and the consequential dangers to the patient as well as to the nursing staff.
  • smoke suction devices are used together with smoke- generating surgical equipment of this type, such devices typically comprising a suction pump and a number of filters .
  • the object of the present invention is to provide a smoke suction device that completely or at least partially elminates the problems connected with prior-art smoke suction devices.
  • FIG. 1 is a schematic view of the structure of an embodiment of a smoke suction device in accordance with the invention
  • Fig. 2a is a time diagram illustrating parallel activation of a diathermy apparatus and activation of the suction device, respectively, in a first operational mode of the suction device;
  • Fig. 2b is a time diagram similar to that of Fig. 2a, in a second operational mode of the suction device
  • Fig. 2c is a time diagram similar to that of Fig. 2a, in a third opperational mode of the suction device
  • Fig. 2d is a time diagram similar to that of Fig, 2a, in a fourth operational mode of the suction device
  • Fig. 2e is a time diagram similar to that of Fig. 2a, in a fifth and sixth operational mode of the suction device;
  • Fig. 2f is a time diagram similar to that of Fig. 2a, in a seventh operational mode of the suction device;
  • Fig. 3 is a circuit diagram of the control unit used in the device of Fig. 1;
  • Figs 4a and b are schematical views illustrating magnets provided to sense position changes of the handle of the smoke-generating equipment;
  • Figs. 5 a-c are schematical views illustrating various types of nozzles for use together with the suction device in accordance with the invention.
  • Fig. 1 illustrates a smoke suction device in accordance with the invention, comprising a suction pump 1 the suction part of which, i.e. the vaccum connection lc, is connected to a suction nozzle 3 via a filter unit 2.
  • a suction pump 1 the suction part of which, i.e. the vaccum connection lc, is connected to a suction nozzle 3 via a filter unit 2.
  • a pneumatic vacuum pump a so called pneumatically operated ejector
  • said suction pump operating on the principle of allowing a large gas flow to pass a restriction, whereby a nega- tive sucking pressure forms immediately after the point of restriction, which is where the vacuum connection lc is placed.
  • the advantage of using a suction pump of this nature is the absence of moving parts, a feature which reduces wear and consequently the maintenance need, and the rapid response upon activation.
  • a further advantage is that a pump of this kind may be made to small dimensions, which facilitates the positioning thereof, as it need not necessarily be placed on the floor but could be supported from the wall or the ceiling, be positioned outside the operating room, etcetera.
  • Another advantage is that the pump requires less energy and creates less noise and vibration than previously used types of pumps.
  • the suction pump 1 has an input connection la for the inflow of pressurized air, an output connection lb for air evacuation and, as already mentioned, a suction vacuum connection lc.
  • the output air-evacuation connection advantageously may be directed away from the infection-sensitive area via an evacuation hose or evacuation channel 6.
  • evacuation is also recommended by the Swedish Board of Occupational Safety and Health ("Report of 0 S & H Board 1994:1").
  • the evacuation channel may debouch externally of the building. In this manner, re-entry into the operating room of infectious particles not trapped by the filter unit is avoided.
  • the filter unit 2 comprises at least one smoke- purifying part 2a which advantageously may consist of an ordinary and previously known smoke filter, and a liquid- blood separator part 2b.
  • the latter part advantageously comprises a suction vessel, also of a prior-art kind.
  • the filter unit connection arrangement is such that the vacuum connection lc of the suction pump is coupled to the ouput connection of the smoke filter 2a, the input connection of the smoke filter is coupled to the output connection of the suction vessel 2b, and the input connection of the suction vessel is coupled to the suction nozzzle 3 via a sterile surgery suction hose 4.
  • the suction vessel has non-confusable connections, this non-confusion safety feature being achieved e.g. by differentiating diameter sizes, in order to prevent erroneous coupling of connections with consequential infection hazards.
  • the sterile surgery suction hose 4 preferably is of a disposable nature.
  • the filter unit 2 preferably is a separate unit and it is positioned for instance on a separate support and integration stand 5 in order to permit convenient connection and disconnection of the unit.
  • This feature is of great importance, since it allows the filter unit 2 to be removed from the operating room, which is the most sensitive space from an infection protection point of view. Owing to this feature the filter unit may be conveniently moved to an adjoining room for filter changes, emptying and cleaning of the suction vessel, and so on.
  • the nozzle 3 may be a prior-art so called smoke extraction tube which is applied on the hand-held tool of the smoke-generating equipment, such as a diathermy tool which may be of various designs and which in turn is connected to a diathermy appliance.
  • the sterile surgery suction hose 4 likewise could be coupled to various kinds of specula, monopolar and bipolar diathermy handles or hand-held suction implements. Examples of designs of the suction nozzles will be described in more detail in the following.
  • the flow of pressured air is carried to the suction pump 1 via one of several valves 7, 8, coupled in parallel.
  • the valves are electrically controlled valves operated by one or several control units 9.
  • One example of a control unit 9 for this purpose is shown in Fig. 3.
  • the control unit comprises a mode selector 11, allowing the device to be set to operate in accordance with various operational modes.
  • the control unit comprises inputs 12, 13 for input of sensed data signals or other external signals, generators 14, 15 for producing square impulses and outputs 16, 17 for output of control data signals for control of the above- mentioned electrically controlled valves 7, 8.
  • mode position "sensing" appears.
  • a sensing signal is sensed via input 12. This signal could be generated e.g. by a power-sensor sensing the power consumed by the smoke-generating equipment.
  • the signal may be used to start a delay circuit 18, activating a time-selectable connection-delay function Tl (see Figs 2a, b) .
  • a delay circuit 19 is started, which produces a time-selectable disconnection-delay function T2 (see Figs, 2a, b) .
  • the duration span of the two circuits could be wide.
  • the signal is immediately gated to the output 16 via AND-condition 20 which condition is satisfied via the mode selector 11 and thereafter via OR-condition 21.
  • a drive step 22 preferably is located ahead of the output 16.
  • the magnetic valve 8 opens and the vacuum pump 1 is supplied with pressurized air and is immediately activated.
  • a time diagram showing the activation of a diathermy appliance in parallel with the activation of the suction device is illustrated in Fig. 2a.
  • the suction device is activated substantially simultaneously with the diathermy appliance or possibly after said delay TI.
  • the suction appliance When the diathermy appliance is shut off, the suction appliance continues to be in an activated state during said time period T2, and consequently the suction device is already in an active state, should the diathermy appliance be re-activated shortly after the first use thereof.
  • This arrangement is advantageous, since a smoke- generating diathermy sequence often involves a prolonged activation lasting for a number of seconds, followed by a number of correction cauterisations that vary in time and duration. When a cauterisation, an activation, has been performed, it is therefore likely that supplementary burning operations will be made shortly.
  • the output lib of the mode selector 11 is activated.
  • the device is auto-activated in brief intermittent suction pulses for a predetermined period following activation of the device as a result of the sensing action. This is effected by sensing the power consumed by the smoke-generating equipment, as mentioned earlier, and activating the suction device.
  • a time-selectable time delay circuit 23 is started for a time period T3.
  • a third mode is activated by selection of output llf on the mode selector 11.
  • the suction device is activated and emits brief suction pulses, keeping the device clean, diverting coagel away from the suction hose, and so on.
  • This is effected by brief time-selectable astable pulse signals emitted from the pulse generator 15 being transmitted to the magnetic valve 8 via the AND-condition 25 which is satisfied by mode selector 11 and thereafter via OR-condition 21.
  • Fig. 2c shows one exemplifying time diagram relative to this mode.
  • a fourth mode referred to as "intermittent
  • +sensing relates as implied by the designation to a combination of intermittent suction pulses and sensing of the power consumption of the diathermy appliance. Because in this case the suction device assumes a standby state in intermittently pulsing mode there is a comparatively great probability that the device will be active when the activation is performed via sensing, while at the same time the device is kept clean. This state is set by selection of output lie on the mode selector 11. In this situation the device is activated either by the sensed signal via an AND-condition 26 or OR-condition 28 or by a pulse emitted by the pulse generator 15 via AND-condition 27 and OR-condition 28.
  • FIG. 2d A fifth mode, referred to as "basic flow”, is activated by selection of the output llg on the mode selector 11. This situation means that a continuous reduced basic flow exists at all times, which is achieved by the signal actuating the magnetic valve 7 via a drive step 29.
  • the basic flow is constrained vis a vis the ordinary suction flow by means of a regulating means 30 (see Fig. 1) .
  • the existence of such a basic flow ensures that the suction device is maintained in a clean con- dition while at the same time some suction activity goes on already prior to use of the smoke-generating equipment.
  • this mode is combined for instance with the "sensing" mode.
  • One exemplifying time diagram relative to the "basic flow” combined with “sensing” is shown in Fig. 2e.
  • a sixth mode is obtained if output llh is selected on the mode selector 11. This situation means that the suction device is activated at all times, which may be desirable under certain conditions.
  • This mode is also exemplified by a time diagram in Fig. 2e.
  • a seventh mode is obtained by selection of output lie on the mode selector 11.
  • this mode operates in the same manner as the "sensing" mode.
  • An external signal arrives via an input 31, a conditionally controlled insulating step 32, and a time delay circuit 33 for connection and disconnection delay at the OR-condition 21.
  • the external signal could for instance be derived from a signal generator incorporated in the smoke-generating equipment, from a motion-sensor (acceleration detector) located in the handle of the smoke-generating equipment, or a magnetic breaker connected to the same handle. By sensing when the handle is being moved, the suction device may be activated before the actual smoke-generating activation of the equipment takes place.
  • the magnetic breaker may be provided with magnet-field sensing means located in the diathermy handle for sensing of magnets positioned for instance in the storage holder in which the diathermy handle is positioned while not in use.
  • magnet-field sensing means located in the diathermy handle for sensing of magnets positioned for instance in the storage holder in which the diathermy handle is positioned while not in use.
  • a storage holder 35 including a magnet 36 associated therewith is shown in Fig. 4a.
  • a magnet may be attached directly on the patient by means of a strip of tape or the like, or anywhere else where the surgeon habitually lays down the handle.
  • Such a magnet 37 taped in position is shown in Fig. 4b.
  • fig. 2b is shown one exemplifying time diagram relating to the mode of s.ensing via the handle.
  • An eighth mode of operating the suction device which is set by choice of the output lid of the mode selector 11, is a shut-off position. In this position the suction device remains inactivated during the cauterisation process, which may be a desirable function, particularly in the case of sensitive or deep-level surgery during which e.g. brain tissue might be sucked into the device.
  • the above operational modes of the control unit 9 are but examples of suitable modes and that many similar varieties of course are possible, as are also combinations of the different modes.
  • a flow meter 10 could advantageously be placed at a point after the vacuum connection lc of the suction pump in order to allow the size of the suction flow to be read directly at all times.
  • the suction nozzles could be configured in many different ways. However, it is important that they are configured both in a manner allowing them to be posi- tioned close to the area of origin of the smoke and such that they do not constitute a danger to the patient or a hindrance to the surgeon. Some examples of suitable suction nozzle configurations will be described in the following.
  • the suction nozzle 41 on e.g. monopolar diathermy handles 40 may be configured to allow it to be attached alongside the handle by means of e.g. an upper and a lower clip 42 and 43, respectively.
  • the nozzle is made from a comparatively rigid plastics material and at its upper end it is formed with a connection fitting 44 for connection of the surgery suction hose 4.
  • a suction duct runs from the end of the fitting in the interior of the nozzle and debouches immediately above the cauterising part of the handle.
  • nozzles 46 preferably are used having an input connection fitting 47 and two suction mouths 49, one in each handle leg member, as shown in Fig. 5b. Otherwise this type of nozzle is on the whole configured like the one mentioned above including upper and lower clips 49 and 59, respectively, for convenient attachment on the handle.
  • the nozzles 52 may be attached on retractors 51 or the like, as illustrated in Fig. 5c, so that the nozzles are out of the surgeon's way.
  • the characterising features of the invention reside in its reduced effects on the environment, its efficiency in smoke extraction, the considerable freedom of choice it affords as regards operational modes and its high contamination safety. In addition, it provides ample possibilities of flexible positioning and may easily be adapted to suit all existing smoke-generating surgical appliances and equipment.

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention porte sur un dispositif extracteur de fumées et le procédé d'extraction associé s'utilisant avec un équipement chirurgical générateur de fumées, et plus spécifiquement sur un extracteur de fumées comprenant une pompe, un moyen de filtrage, au moins une buse d'aspiration, et un moyen de détection actionnant automatiquement le dispositif. Ce même dispositif se caractérise par l'emploi d'un pompe à éjection pneumatique ne comportant pas de pièces mobiles. Le procédé d'extraction associé à l'équipement chirurgical générateur de fumées se caractérise par l'établissement d'un flux d'aspiration d'au moins un certain débit avant que l'équipement chirurgical ne fonctionne et ne produise de fumée, et par l'établissement d'au moins un débit réduit pendant la plupart du temps où ledit équipement ne fonctionne pas.
PCT/SE1997/001233 1996-07-25 1997-07-07 Extracteur de fumees a usage chirurgical WO1998004200A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU37119/97A AU3711997A (en) 1996-07-25 1997-07-07 Surgical smoke evacuator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9602856A SE518424C2 (sv) 1996-07-25 1996-07-25 Röksuganordning för användning tillsammans med diatermiutrustning
SE9602856-8 1996-07-25

Publications (2)

Publication Number Publication Date
WO1998004200A1 true WO1998004200A1 (fr) 1998-02-05
WO1998004200A9 WO1998004200A9 (fr) 1998-07-23

Family

ID=20403464

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1997/001233 WO1998004200A1 (fr) 1996-07-25 1997-07-07 Extracteur de fumees a usage chirurgical

Country Status (3)

Country Link
AU (1) AU3711997A (fr)
SE (1) SE518424C2 (fr)
WO (1) WO1998004200A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19852706A1 (de) * 1998-11-16 2000-06-08 Atmos Medizintechnik Gmbh & Co Absaugvorrichtung, welche luftgetragene oder luftgelöste Abfallprodukte einer chirurgischen Behandlung mit einem stromgetriebenen Chirurgieinstrument insbesondere mit einem Laserskalpell absaugt, mit einer Aktivierungseinheit
WO2007005159A1 (fr) * 2005-07-01 2007-01-11 Conmed Corporation Controleur d'accessoire supplementaire pour intervention chirurgicale, et procede faisant appel a des delais de mise sous tension et de mise hors tension
EP3388012A1 (fr) 2017-04-14 2018-10-17 Candela Corporation Système d'évacuation de fumée

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021509596A (ja) * 2017-12-28 2021-04-01 エシコン エルエルシーＥｔｈｉｃｏｎ ＬＬＣ 二重直列大液滴及び小液滴フィルタ

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609756A1 (fr) * 1987-01-19 1988-07-22 Leclercq Yves Dispositif d'aspiration
US5160334A (en) * 1991-04-30 1992-11-03 Utah Medical Products, Inc. Electrosurgical generator and suction apparatus
US5336218A (en) * 1993-06-15 1994-08-09 Laser Engineering, Inc. Surgical smoke evacuator synchronizing system
WO1996019151A1 (fr) * 1994-12-21 1996-06-27 Valleylab, Inc. Regulation de debit pour un accessoire d'aspiration de fumee et de liquide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609756A1 (fr) * 1987-01-19 1988-07-22 Leclercq Yves Dispositif d'aspiration
US5160334A (en) * 1991-04-30 1992-11-03 Utah Medical Products, Inc. Electrosurgical generator and suction apparatus
US5336218A (en) * 1993-06-15 1994-08-09 Laser Engineering, Inc. Surgical smoke evacuator synchronizing system
WO1996019151A1 (fr) * 1994-12-21 1996-06-27 Valleylab, Inc. Regulation de debit pour un accessoire d'aspiration de fumee et de liquide

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19852706A1 (de) * 1998-11-16 2000-06-08 Atmos Medizintechnik Gmbh & Co Absaugvorrichtung, welche luftgetragene oder luftgelöste Abfallprodukte einer chirurgischen Behandlung mit einem stromgetriebenen Chirurgieinstrument insbesondere mit einem Laserskalpell absaugt, mit einer Aktivierungseinheit
EP1000586A3 (fr) * 1998-11-16 2001-01-31 ATMOS MEDIZINTECHNIK GmbH & Co. Dispositif chirurgical d'aspiration
WO2007005159A1 (fr) * 2005-07-01 2007-01-11 Conmed Corporation Controleur d'accessoire supplementaire pour intervention chirurgicale, et procede faisant appel a des delais de mise sous tension et de mise hors tension
EP3388012A1 (fr) 2017-04-14 2018-10-17 Candela Corporation Système d'évacuation de fumée
US10925669B2 (en) 2017-04-14 2021-02-23 Candela Corporation Smoke evacuation system
US11911100B2 (en) 2017-04-14 2024-02-27 Candela Corporation Smoke evacuation system
US12285211B2 (en) 2017-04-14 2025-04-29 Candela Corporation Smoke evacuation system

Also Published As

Publication number Publication date
SE9602856D0 (sv) 1996-07-25
AU3711997A (en) 1998-02-20
SE9602856L (sv) 1998-01-26
SE518424C2 (sv) 2002-10-08

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