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WO2014091499A1 - Retrait d'objets étrangers à partir d'une cavité corporelle - Google Patents

Retrait d'objets étrangers à partir d'une cavité corporelle Download PDF

Info

Publication number
WO2014091499A1
WO2014091499A1 PCT/IN2013/000765 IN2013000765W WO2014091499A1 WO 2014091499 A1 WO2014091499 A1 WO 2014091499A1 IN 2013000765 W IN2013000765 W IN 2013000765W WO 2014091499 A1 WO2014091499 A1 WO 2014091499A1
Authority
WO
WIPO (PCT)
Prior art keywords
body cavity
bending portion
foreign object
extension
actuator
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.)
Ceased
Application number
PCT/IN2013/000765
Other languages
English (en)
Other versions
WO2014091499A4 (fr
Inventor
Jagdish CHATURVEDI
Siddhartha JOSHI
Siraj BAGWAN
Jonathan Pillai
Kapil SIKKA
Suresh Chandra Sharma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Department of Biotechnology of Ministry of Science and Technology India
Original Assignee
Department of Biotechnology of Ministry of Science and Technology India
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 Department of Biotechnology of Ministry of Science and Technology India filed Critical Department of Biotechnology of Ministry of Science and Technology India
Publication of WO2014091499A1 publication Critical patent/WO2014091499A1/fr
Publication of WO2014091499A4 publication Critical patent/WO2014091499A4/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/24—Surgical instruments, devices or methods for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft

Definitions

  • the present subject matter relates to removal of foreign objects and, particularly but not exclusively, to removing foreign objects from a body cavity.
  • a body cavity such as ear or nasal canal.
  • foreign objects such as nuts, beads, and peas
  • a person may insert a cotton bud in the ear canal for blocking sound; however, the cotton bud may lodge inside the ear canal and may not be extractable with bare hands.
  • the small size of the ear and nasal canal aggravates the job of removal of the foreign object.
  • the small size does not provide enough space for medical personnel to manipulate a device inside the canal to grasp and remove the foreign object. Further compounding the difficulty in removing such foreign objects is the fact that both the ear and nasal canals are relatively sensitive parts of the human body.
  • Conventional devices and procedures to remove a foreign object from body cavities include use of a pair of forceps to remove the object.
  • the objects may be non-graspable and may not be removable by the forceps.
  • the non-graspable foreign objects lodged in the body cavity are removed with the help of other devices such as spatula, catheters for Eustachian tube, or similar make-shift devices.
  • a device for removing foreign objects lodged in a body cavity includes a handle to grip the device during operation, and an access shaft portion for inserting into the body cavity.
  • the access shaft portion includes a stationary extension fixedly coupled to the handle, a movable extension actuable with respect to the stationary extension, and a bending portion distal with respect to the handle.
  • the device further includes an actuator coupled to the movable extension, and the actuator is actuable to provide movement to the movable extension for providing movement of the bending portion about the pivot.
  • a method for removing a foreign object lodged in a body cavity using a device includes locating the foreign object inside the body cavity and positioning a bending portion of the device behind the foreign object. In such a position, the bending portion is in a first state. An actuator coupled to the bending portion is actuated to actuate the bending portion to move the bending portion in a second state for holding the foreign object. Further, the foreign object is withdrawn from the body cavity to remove the foreign object from the body cavity.
  • Figure 1 illustrates to a device for removal of a foreign object from a body cavity, in accordance with an embodiment of the present subject matter.
  • Figures 2 and 2a illustrate the device for removal of a foreign object from a body cavity in a first state, in accordance with an embodiment of the present subject matter.
  • Figures 3 and 3a illustrate the device for removal of a foreign object from a body cavity in a second state, in accordance with an embodiment of the present subject matter.
  • the difficulty in removal of such objects may be even greater.
  • the foreign device cannot be removed by the forceps.
  • the removal of a non-graspable foreign objects lodged in the body cavity is done with the help of devices such as spatula, catheters for Eustachian tube, or make-shift devices.
  • use of such devices requires very high skill to remove the foreign object, and the patient is at a risk of serious injury to the cavity lining. Further, during such procedures the medical personnel run a high risk of pushing the foreign object further into the cavity, aggravating the situation.
  • the patients who need foreign objects to be removed are children or mentally challenged adults who may not sit patiently throughout the procedure of extracting the foreign object.
  • the person performing the procedure may have only have a single opportunity to remove the object, before the patient gets restless.
  • the present subject matter describes a device and a method for removing foreign objects from a body cavity, according to an embodiment of the present subject matter.
  • a device can be implemented for extracting foreign objects from narrow cavities, such as nasal or ear canal of a patient.
  • the device can be used to remove the foreign objects from an anterior portion of the nasal cavity.
  • the device described herein provides for effective and easy removal of the foreign object lodged in the body cavity of the patient, involving less skill and dexterity for the same.
  • the device includes a handle, an actuator, and an access shaft portion.
  • the handle allows an operator, such as doctor or other such medical personnel, operating the device to grip the device while operating the device.
  • An access shaft portion is connected to the handle at one end and provided with a bending portion at the other end.
  • the access shaft portion can be inserted into the body cavity, while operating the device for removing the foreign object.
  • the access shaft portion is inserted into the cavity from which the foreign object is to be removed, and, a bending portion is actuated to bend and hold the foreign object and the foreign object is removed. The bending portion is then used to extract and remove the foreign object form the body cavity.
  • the access shaft portion includes a stationary extension and a movable extension.
  • the bending portion can be coupled to the actuator through the movable extension, to provide actuation of the bending portion.
  • the actuation of the actuator in- turn effects the actuation of the bending portion.
  • the bending portion upon actuation by the actuator can achieve a bending motion with respect to the stationary extension.
  • the bending portion can be pivoted to the stationary extension at a first pivot. Further, the bending portion can be coupled to the movable extension at a second pivot adjacent to the first pivot. Upon the actuation of the movable extension by the actuator, the bending portion pivots and rotates about the first pivot because of the pulling action of the movable extension at the second pivot. The pivoting motion of the bending portion actuates the bending portion with reference to the stationary extension, such that the bending portion is substantially perpendicular to the stationary extension, and achieves an L-shaped configuration with the stationary extension.
  • the bending capability of the bending portion provides for the removal of the foreign object.
  • the access shaft portion is inserted into the body cavity such that the bending portion extends behind the foreign object to be extracted, such that the bending portion 1 14 is farther than the foreign object from the opening of the body cavity.
  • the actuator can be actuated by the operator, which in turn causes the bending of the bending portion to form the L-shaped configuration with the stationary extension.
  • Such a configuration of the bending portion can hold the foreign object and facilitate easy extraction of the foreign object from the body cavity. Accordingly, when the operator has effectively ensured that the foreign object is securely held, the operator can retract the device from the body of the patient, to withdraw the access shaft portion from the body cavity.
  • the device can also be provided with an illuminating unit for illuminating the body cavity on which the device is being used.
  • the illuminating unit can be a light emitting diode of high intensity for providing effective illumination of the body cavity. Accordingly, the operator, while inserting the access shaft portion, into the body cavity for removing the foreign object, can easily locate the foreign object and accordingly position the access shaft portion and the bending, portion with respect to the foreign object inside the body cavity.
  • the foreign object can be easily and painlessly removed from the body cavity without requiring invasive techniques.
  • the configuration and operation ensures that the foreign object is not pushed further into the body cavity, therefore, preventing the aggravation of the condition.
  • the device is easy to handle and does not require specific training for operating the device. As a result, even a considerably less skilled operator can operate the device for removing objects lodged in the patients' body cavity.
  • Figure 1 illustrates a device 100 for removing foreign objects from a body cavity, according to an embodiment of the present subject matter.
  • the device 100 can be used for removing foreign objects lodged in narrow cavities, such as nasal or ear canal.
  • the device 100 includes a handle 102, an actuator 104, and an access shaft portion 106.
  • the handle 102 allows an operator, such as doctor or other such medical personnel, operating the device 100 to grip the device 100 while the access shaft portion 106 is inserted into the body cavity for removing the foreign object.
  • the access shaft portion 106 is connected to the handle 102, and has actuable and non-actuable parts.
  • the actuable parts are coupled to the actuator 104.
  • the handle 102 can be provided with a plurality of grooves 108 for allowing convenient and effective gripping of the device 100 during operation/
  • the actuator 104 can be provided adjacent to the handle 102 for allowing access to the operator ergonomically, while operating the device 100.
  • the actuator 104 can be provided as a trigger.
  • the actuator 104 can be provided at other suitable locations on the device 100, and can be provided as a button, a knob, or other such component.
  • the access shaft portion 106 includes a stationary extension 110, a movable extension 112, and a bending portion 114.
  • the movable extension 1 12 and the bending portion 114 can operate in conjunction for allowing the removal of the foreign object using the device 100.
  • the bending portion 114 can be coupled to the actuator 104 through the movable extension 1 12, to provide actuation of the bending portion 1 14.
  • the actuation of the actuator 104 effects the actuation of the bending portion 1 14.
  • the actuator 104 can be manually actuable for operation.
  • the bending portion 1 14 can be provided as having a concavity on the side towards the direction of bending.
  • the concavity of the bending portion 1 14 can accommodate the foreign object and facilitate easy removal of the same. Further, in other implementations, the bending portion 1 14 can be provided as two-pronged, or having serrations for facilitating the removal of the foreign object.
  • the stationary extension 1 10 can be fixedly coupled to, say the handle 102. Further, in an implementation, the stationary extension 1 10 of the access shaft portion 106 can be provided with graduations or markings (not shown) thereon, to provide feedback to the operator about the depth upto which the device 100 has entered the cavity, while operating the device 100. Such provision of feedback facilitates the operator in effectively operating the device 100 without hurting the patient.
  • the device 100 can be provided with a force-based feedback mechanism, such as a. position sensor, for the operator to determine the depth upto which the device 100 has been inserted into the body cavity.
  • the force-feedback mechanism can be similar to those provided in game pad devices or other tactile mechanisms.
  • the device 100 can also be provided with an illuminating unit 1 16 for illuminating the body cavity on which the device 100 is being used.
  • the illuminating unit 116 can be a light . emitting diode of high intensity for providing effective illumination of the body cavity.
  • the device 100 can include a circuitry and a switch (not shown) for controlling the illuminating unit 1 16.
  • the device 100 can be provided with a battery compartment (not shown), for example, in the handle 102, for accommodating a power source for the operation of the illuminating unit 1 16.
  • Figures 2 and 2a illustrate the device 100 for removing a foreign object from a body cavity, such as the nasal canal or the ear canal, in a first state. Further, figures 3 and 3a illustrate the device 100 in a second state. For the sake of brevity and ease of explanation, figures 2, 2a, 3, and 3a are described in conjunction hereinafter.
  • the bending portion 114 can execute a bending motion with respect to the stationary extension 1 10, upon actuation.
  • the bending portion 1 14 is pivotedly coupled to the stationary extension 110 at a pivot, such as a first pivot 120, and coupled to the movable extension 1 12.
  • the bending portion 114 can be coupled to the movable extension 1 12 at a second pivot 122 adjacent to the first pivot 120.
  • the pivoting motion actuates the bending portion 1 14 with reference to the stationary extension 1 10, such that the bending portion 1 14 is substantially perpendicular to the stationary extension 1 10, say at the extreme position.
  • Such state of the device 100, in which the bending portion 1 14 is bent with respect to the stationary extension 1 10, is shown in figures 3 and 3 a.
  • the bending portion 1 14 can bend more than the substantially perpendicular angle with respect to the stationary extension 1 10.
  • the movable extension 1 12 and the stationary extension 1 10 can be formed as rigid elements, such as a rod.
  • the actuator 104 can be provided as coupled to a retractable member (not shown), such as a spring, for resuming the original position of the bending portion 114 when the actuating force on the actuator 104 is removed.
  • a retractable member such as a spring
  • the retractable member can be provided at a distal end of the access shaft portion 106, with respect to the body of the device 100, to be directly coupled to the bending portion 114.
  • the first pivot 120 can be provided as a spring-loaded hinge.
  • a retractable wire can be used instead as the movable extension 1 12, for effecting actuation of the bending portion 114.
  • the access shaft portion 106 is inserted into the body cavity such that the bending portion 1 14, in the first state, extends behind the foreign object to be extracted, , such that the bending portion 114 is farther from the opening of the body cavity than the foreign object is from the opening of the body cavity.
  • the illuminating unit 116 can provide the illumination for the operator to view the location of the bending portion 114 with respect to the foreign object.
  • the actuator 104 can be actuated by the operator, which in turn causes the bending of the bending portion 1 14 to move the bending portion 114 into the second state and form a substantially L-shape with the stationary extension 1 10.
  • Such a configuration of the bending portion 114 can hold the foreign object and facilitate easy extraction of the foreign object from the body cavity. Accordingly, when the operator has effectively ensured that the foreign object is securely held, the operator can retract the device 100 away from the body of the patient, to withdraw the access shaft portion 106 from the body cavity. With the withdrawal of the access shaft portion 106, the foreign object is also removed from the body cavity.
  • the foreign object can be easily and painlessly removed from the body cavity without requiring invasive techniques.
  • the configuration and operation ensures that the foreign object is not pushed further into the body cavity, therefore, preventing the aggravation of the condition.
  • the device 100 is easy' to handle and does not require specific training for operating the device 100. As a result, even a considerably less skilled operator can operate the device 100 for removing objects lodged in the patients' body cavity.
  • the present subject matter also relates to a method for removing a foreign object lodged in a body cavity, using the device 100 described in the present subject matter.
  • the method includes locating the foreign object or foreign body inside the body cavity, with the help of the device 100.
  • the bending portion 114 of the device 100 can be used for locating the foreign body inside the body cavity.
  • the illuminating unit 1 16 can be used for illuminating the body cavity to determine the position of the foreign object in the body cavity. The bending portion 114 is then maneuvered behind the foreign body, such that the bending portion 114 is farther from the opening of the body cavity than the foreign object is from the opening of the body cavity.
  • the actuator 104 is actuated.
  • the actuation of the actuator 104 causes the bending portion 114 to actuate in direction of the foreign object, bending to form a substantially L-shape with the stationary extension 1 10 of the device 100.
  • the bending portion 1 14 can secure the foreign object and subsequently, the device 100 can withdraw the foreign object from the body cavity.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Abstract

L'invention porte sur un dispositif (100) et sur un procédé pour retirer des objets étrangers logés dans une cavité corporelle. Dans un mode de réalisation, le dispositif (100) comprend une poignée (102) pour saisir le dispositif (100) pendant le fonctionnement, et une partie d'arbre d'accès (106) pour l'insertion dans la cavité corporelle. La partie d'arbre d'accès (106) comprend une extension fixe (110) couplée de façon fixe à la poignée (102), une extension mobile (112) pouvant être actionnée par rapport à l'extension fixe (110), et une partie de courbure (114) distale par rapport à la poignée (102). Une extrémité de la partie de courbure (114) est couplée à l'extension fixe (110) au niveau d'un pivot (120), et la partie de courbure (120) est couplée à l'extension mobile (112) pour l'actionnement autour du pivot (120). Le dispositif (100) comprend de plus un actionneur (104) couplé à l'extension mobile (112) de façon à produire un mouvement destiné à l'extension mobile (112) pour actionner la partie de courbure (114) autour du pivot (120).
PCT/IN2013/000765 2012-12-12 2013-12-12 Retrait d'objets étrangers à partir d'une cavité corporelle Ceased WO2014091499A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN3838DE2012 2012-12-12
IN3838/DEL/2012 2012-12-12

Publications (2)

Publication Number Publication Date
WO2014091499A1 true WO2014091499A1 (fr) 2014-06-19
WO2014091499A4 WO2014091499A4 (fr) 2014-07-31

Family

ID=50933844

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2013/000765 Ceased WO2014091499A1 (fr) 2012-12-12 2013-12-12 Retrait d'objets étrangers à partir d'une cavité corporelle

Country Status (1)

Country Link
WO (1) WO2014091499A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5133721A (en) * 1991-03-19 1992-07-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Device for removing foreign objects from anatomic organs
CN201282995Y (zh) * 2008-11-05 2009-08-05 刘晓君 鼻腔异物取出器
US20110106484A1 (en) * 2009-11-02 2011-05-05 Welch Allyn, Inc. Thermometer for determining the temperature of an animal's ear drum and method of using same
CN202113223U (zh) * 2011-05-27 2012-01-18 连斌 卡套标尺式安全掏耳勺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5133721A (en) * 1991-03-19 1992-07-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Device for removing foreign objects from anatomic organs
CN201282995Y (zh) * 2008-11-05 2009-08-05 刘晓君 鼻腔异物取出器
US20110106484A1 (en) * 2009-11-02 2011-05-05 Welch Allyn, Inc. Thermometer for determining the temperature of an animal's ear drum and method of using same
CN202113223U (zh) * 2011-05-27 2012-01-18 连斌 卡套标尺式安全掏耳勺

Also Published As

Publication number Publication date
WO2014091499A4 (fr) 2014-07-31

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