Patents by Inventor Ti-Li Chang
Ti-Li Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9433739Abstract: An inner type tracheostomy tube has an outer tube and an inner cannula. The outer tube has an airway tube, an inflatable cuff and an inflating tube. The inner cannula is connected to the outer tube and has an inner tube, a disk segment, a connecting mount and a connector. The connecting mount is soft and bendable, is securely mounted around the disk segment and has a bottom end, a top end and a flange coat. The bottom end is securely mounted around the disk segment and has an inner surface and an air gap formed between the inner surface of the bottom end of the connecting mount and the disk segment. The connector is securely mounted around the top end of the connecting mount and has a bottom end and a flange formed around the bottom end of the connector and enclosed by the flange coat.Type: GrantFiled: June 7, 2013Date of Patent: September 6, 2016Assignee: Vitaltec CorporationInventors: Ti-Li Chang, Sheng-Yu Chiu
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Publication number: 20130269690Abstract: An inner type tracheostomy tube has an outer tube and an inner cannula. The outer tube has an airway tube, an inflatable cuff and an inflating tube. The inner cannula is connected to the outer tube and has an inner tube, a disk segment, a connecting mount and a connector. The connecting mount is soft and bendable, is securely mounted around the disk segment and has a bottom end, a top end and a flange coat. The bottom end is securely mounted around the disk segment and has an inner surface and an air gap formed between the inner surface of the bottom end of the connecting mount and the disk segment. The connector is securely mounted around the top end of the connecting mount and has a bottom end and a flange formed around the bottom end of the connector and enclosed by the flange coat.Type: ApplicationFiled: June 7, 2013Publication date: October 17, 2013Inventors: Ti-Li Chang, Sheng-Yu Chiu
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Publication number: 20120238965Abstract: A manual switch has a body, a button, a valve rod and a biasing member. The body has a valve mount having multiple holding ribs. The valve rod is mounted slidably in the valve mount, is pressed by the button and has a valve rod, a mounting tube and an O-ring. The rod body has an outer diameter smaller than the inner diameter of the valve mount. The mounting tube is mounted securely around the rod body and has an outer diameter being equal to the inner diameter of the valve mount and an outer surface abutting with the holding ribs in the valve mount. The O-ring is mounted around the rod body and abuts with the inner surface of the valve mount to provide a sealing effect to the valve rod and the valve mount.Type: ApplicationFiled: March 16, 2011Publication date: September 20, 2012Inventor: Ti-Li CHANG
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Publication number: 20120085350Abstract: An inner type tracheostomy tube has an outer tube and an inner cannula. The outer tube has an airway tube, an inflatable cuff, an inflating tube, a neck mount and a holding mount. The neck mount is mounted around the airway tube. The holding mount is formed on the neck mount around the airway tube and has a holding ring and two holding arms. The holding ring is formed on the neck mount. The holding arms are formed on the holding ring and protrude from the holding ring and each has a holding recess. The inner cannula is connected to the outer tube and has an inner tube, a disk segment and two locking tabs. The disk segment is formed on the inner tube. The locking tabs are formed on the disk segment, are respectively connected to the holding arms and each has a locking portion and a pressing button.Type: ApplicationFiled: October 7, 2010Publication date: April 12, 2012Inventors: Ti-Li Chang, Sheng-Yu Chiu
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Patent number: 8127766Abstract: A tracheostomy tube has an inserting portion and a connecting portion. The inserting portion has an air way tube, an inflatable cuff and an inflating tube. The connecting portion is connected to the air way tube and has a resilient connector and a connecting sleeve. The resilient connector has a connecting ring connected to the air way tube. The connecting sleeve is mounted around the resilient connector and has a tubular body, a pressing flange formed on the tubular body and at least one slit defined longitudinally in the tubular body and extends through the pressing flange. Movement and vibrations of a patient circuit connected to the tracheostomy tube are not translated into a patient trachea thereby greatly improving patient comfort, safety and quality of life.Type: GrantFiled: November 3, 2008Date of Patent: March 6, 2012Inventor: Ti-Li Chang
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Publication number: 20110001317Abstract: A connection assembly has a body, a connecting tube and a sealing base. The body is hollow and has a connection portion. The connection portion has a connection base having a front face and two engaging channels. The engaging channels are defined in the front face and face to each other. The connecting end with a suction tube is detachably attached to the front face of the connection base, communicates with the connection portion and has a connection plate. The connection plate held slidably in the engaging channels in the connection base. The sealing base is mounted detachably on the connection portion and has a sealing face and a guiding channel. The sealing face is flush with the front face of the connection base. The guiding channel is defined around the sealing face and communicates with the engaging channels in the connection base.Type: ApplicationFiled: July 2, 2009Publication date: January 6, 2011Inventor: Ti-Li Chang
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Publication number: 20100298783Abstract: A manual switch has a body, a button, a valve rod and a biasing member. The body is hollow and has a connecting tube and a valve mount. The connecting tube is mounted through the body. The valve mount is mounted in the body and communicates with the connecting tube. The button is connected pivotally to the body at a pivotal position on the body. The valve rod is mounted slidably in the valve mount to close the communication of the connecting tube, is pressed by the button and has an annular recess. The annular recess is defined around the valve rod and selectively communicates with the connecting tube when the valve rod is moved. The biasing member is mounted in the valve mount and is connected to the valve rod to provide a recoil force to the valve rod.Type: ApplicationFiled: May 21, 2009Publication date: November 25, 2010Inventor: Ti-Li Chang
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Publication number: 20100108076Abstract: A tracheostomy tube has an inserting portion and a connecting portion. The inserting portion has an air way tube, an inflatable cuff and an inflating tube. The connecting portion is connected to the air way tube and has a resilient connector and a connecting sleeve. The resilient connector has a connecting ring connected to the air way tube. The connecting sleeve is mounted around the resilient connector and has a tubular body, a pressing flange formed on the tubular body and at least one slit defined longitudinally in the tubular body and extends through the pressing flange. Movement and vibrations of a patient circuit connected to the tracheostomy tube are not translated into a patient trachea thereby greatly improving patient comfort, safety and quality of life.Type: ApplicationFiled: November 3, 2008Publication date: May 6, 2010Inventor: Ti-Li Chang
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Publication number: 20100113990Abstract: A pneumatic device for cardiopulmonary resuscitation assist includes a back plate and a compressing member. The back plate has two securing members mounted respectively on two sides of the back plate. The compressing member includes a mounting plate and a bladder. The mounting plate is detachably connected to the back plate and has an upper surface, a lower surface, a gas passage and two securing straps. The gas passage is formed on the upper surface of the mounting plate. The securing straps are respectively mounted on two sides of the mounting plate and respectively connected selectively to the securing members. The bladder is mounted on the lower surface of the mounting plate and communicates with the gas passage. The bladder can compress a patient's chest continuously and stably when repeatedly inflating the bladder, and this provides a good cardiac massage and prevents hurting the patient's ribs.Type: ApplicationFiled: November 3, 2008Publication date: May 6, 2010Inventor: Ti-Li CHANG
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Publication number: 20080099026Abstract: A laryngeal mask airway has a dual-airway tube and a laryngeal mask. The dual-airway tube has a primary tube and a secondary tube. The secondary tube is formed parallel with the primary tube. The laryngeal mask is attached detachable to or formed with the dual-airway tube and has a top, a pointed front end, a rounded rear end, an opening and a resilient seal. The resilient seal is formed on the top of the laryngeal mask and has a resilient web and a seal. The resilient web is formed on the top of the laryngeal mask around the opening and has a top edge. The seal is formed on the top edge of the resilient web and connects to the laryngeal mask near the pointed front end.Type: ApplicationFiled: October 26, 2007Publication date: May 1, 2008Inventor: Ti-Li Chang
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Patent number: 7047973Abstract: A laryngeal mask tube has of a dual-airway tube, a mask with an inflatable bladder and an inflation indicator device. The dual-airway tube has a primary tube communicated with the mask to guide gas into the body of a patient and a secondary tube communicated between with the bladder and the inflation indicator device. Two ribs are formed in the mask to prevent blockage of the primary tube and a tongue is formed inside the bladder to prevent the bladder from folding. Improvements of the laryngeal mask are that the tongue further has an easing hole to reduce rigidity of the tongue and the mask further has a fusing portion to integrally combine the dual-tube and the bladder together to avoid breakage at the bladder. Whereby, the laryngeal mask airway eliminates feelings of discomfort to patients and is durable in use.Type: GrantFiled: October 12, 2004Date of Patent: May 23, 2006Inventor: Ti-Li Chang
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Publication number: 20060076021Abstract: A laryngeal mask tube has of a dual-airway tube, a mask with an inflatable bladder and an inflation indicator device. The dual-airway tube has a primary tube communicated with the mask to guide gas into the body of a patient and a secondary tube communicated between with the bladder and the inflation indicator device. Two ribs are formed in the mask to prevent blockage of the primary tube and a tongue is formed inside the bladder to prevent the bladder from folding. Improvements of the laryngeal mask are that the tongue further has an easing hole to reduce rigidity of the tongue and the mask further has a fusing portion to integrally combine the dual-tube and the bladder together to avoid breakage at the bladder. Whereby, the laryngeal mask airway eliminates feelings of discomfort to patients and is durable in use.Type: ApplicationFiled: October 12, 2004Publication date: April 13, 2006Inventor: Ti-Li Chang
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Publication number: 20040200479Abstract: A laryngeal mask airway has a dual-airway, a back plate with a smooth extended tongue and a laryngeal mask with a top surface. The back plate is integrally formed with the top surface of the laryngeal mask. The dual-airway communicates with the back plate. The dual-airway further has a secondary tube for injecting air into the bladder. Because the extended tongue of back plate is integrally formed on the laryngeal mask, laryngeal mask airways in accordance with the present invention are easy and have a guide to insert into the larynx without the tip folding over.Type: ApplicationFiled: March 26, 2004Publication date: October 14, 2004Inventor: Ti-Li Chang
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Patent number: 6761324Abstract: A vacuum gun for a suction device consists of a piston housing (10), a suction control knob (20) and a rear housing (40) with a handle (42) and a trigger (43). The piston housing has (10) multiple vacuum breaker holes (13) defined to communicate with the inside of the piston housing (10) in a row. The suction control knob (20) is rotatably mounted on the piston housing (10) to selectively block the vacuum breaker holes (13) to control the amount of suction generated during each stroke of the piston. Additionally, the handle and the trigger are foldable toward the piston housing (10) to make the vacuum gun easy to store.Type: GrantFiled: June 14, 2002Date of Patent: July 13, 2004Inventor: Ti-Li Chang
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Patent number: 6705322Abstract: A laryngeal mask tube consists of a dual-airway tube (10), a mask (20) with an inflatable bladder (24) and an inflation indicator device (30). The dual-airway tube (10) comprises a simplified primary tube (12) and secondary tube (14) integrally combined together. The primary tube (12) communicates with the mask (20) to guide gas into the body of a patient and the secondary tube (14) communicates between with the bladder (24) and the inflation indicator device (30) to monitor and inflate the bladder (24). Moreover, two ribs (26) are formed in the mask to prevent blockage of the primary tube (12) and a tongue (242) is formed inside the bladder (24) to prevent the bladder (24) from folding and preventing a seal around the larynx. Whereby, the laryngeal mask airway is convenient and efficient to use.Type: GrantFiled: April 12, 2002Date of Patent: March 16, 2004Inventor: Ti-Li Chang
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Publication number: 20030236486Abstract: A vacuum gun for a suction device consists of a piston housing (10), a suction control knob (20) and a rear housing (40) with a handle (42) and a trigger (43). The piston housing has (10) multiple vacuum breaker holes (13) defined to communicate with the inside of the piston housing (10) in a row. The suction control knob (20) is rotatably mounted on the piston housing (10) to selectively block the vacuum breaker holes (13) to control the amount of suction generated during each stroke of the piston. Additionally, the handle and the trigger are foldable toward the piston housing (10) to make the vacuum gun easy to store.Type: ApplicationFiled: June 14, 2002Publication date: December 25, 2003Inventor: Ti-Li Chang
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Publication number: 20030222101Abstract: An adapter for a suction device consists of a container (10), an anti-leak base (20) mounted on the container (10), a liquid level controller (30) attached to the anti-leak base (20) and inserted into the container (10) and a cap (40) to hold the anti-leak base (20) inside and detachably attach to the container (10). A liquid nipple and an air nipple are formed on the cap (40), and a knob (70) is rotatably mounted on the cap (40). The anti-leak base (20) has a division wall (23) with an outer periphery extending up from part of the edge and a liquid guide trench (24) in the outer periphery to operationally align with the liquid nipple (41). By turning the knob (70), the division wall (23) is aligned to block the liquid nipple (41) tightly to provide an excellent seal.Type: ApplicationFiled: May 29, 2002Publication date: December 4, 2003Inventor: Ti-Li Chang
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Publication number: 20030192548Abstract: A laryngeal mask tube consists of a dual-airway tube (10), a mask (20) with an inflatable bladder (24) and an inflation indicator device (30). The dual-airway tube (10) comprises a simplified primary tube (12) and secondary tube (14) integrally combined together. The primary tube (12) communicates with the mask (20) to guide gas into the body of a patient and the secondary tube (14) communicates between with the bladder (24) and the inflation indicator device (30) to monitor and inflate the bladder (24). Moreover, two ribs (26) are formed in the mask to prevent blockage of the primary tube (12) and a tongue (242) is formed inside the bladder (24) to prevent the bladder (24) from folding and preventing a seal around the larynx. Whereby, the laryngeal mask airway is convenient and efficient to use.Type: ApplicationFiled: April 12, 2002Publication date: October 16, 2003Inventor: Ti-Li Chang
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Publication number: 20020134388Abstract: An anaesthetic medical facemask includes a disposable air cushion and a reusable shell attached to the air cushion. The air cushion is made of thermoplastic urethane elastomer (TPU). TPU is a hydrolysis material so that the TPU can decompose in a short time. The air cushion is thrown away and does not pollute the environment after use. The shell can be with another patient after disinfecting the shell because the shell never comes in direct contact with the patient during use. Consequently, the volume of the medical waste is smaller and the cost of environmental protection becomes lower.Type: ApplicationFiled: March 21, 2001Publication date: September 26, 2002Inventor: Ti-Li Chang
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Patent number: D499803Type: GrantFiled: July 14, 2003Date of Patent: December 14, 2004Inventor: Ti-Li Chang