Hollow sealable device for temporary or permanent surgical placement through a bone to provide a passageway into a cavity or internal anatomic site in a mammal

• US 5,964,767 A
• Filed: 09/12/1997
• Issued: 10/12/1999
• Est. Priority Date: 09/12/1997
• Status: Expired due to Fees

• Current Assignee: Eduardo Armando Tapia, Estela Maria Perez De Tapia, Luis Antonio De Zavaleta, Mario Emilio Zernotti
• Original Assignee: Eduardo Armando Tapia, Estela Maria Perez De Tapia, Luis Antonio De Zavaleta, Mario Emilio Zernotti
• Inventors: de Zavaleta, Luis Antonio, Zernotti, Mario Emilio, Tapia, Eduardo Armando, Perez de Tapia, Estela Maria
• Primary Examiner(s): Buiz, Michael
• Assistant Examiner(s): Woo, Julian W.
• Application Number:
  US08/928,134
• Time in Patent Office: 760 Days
• Field of Search: 606/73, 606/72, 606/232, 606/76, 606/77, 604/174, 604/179, 604/177, 604/263, 604/167, 411/384, 411/383, 411/178, 411/177, 411/179, 411/396, 411/397, 411/432, 411/163, 411/353, 411/366
• US Class Current: 606/323
• CPC Class Codes: A61B 17/24 for use in the oral cavity, larynx, bronchial passages or nose for medical inspection of cavities or tubes in the body A61B1/00; Tongue scrapers
• CPC Class Codes: A61B 17/3421 Cannulas
• CPC Class Codes: A61B 17/3472 for bones, e.g. intraosseus injections
• CPC Class Codes: A61B 17/58 for osteosynthesis, e.g. bone plates, screws , setting implements or the like A61B17/14, A61B17/16 take precedence
• CPC Class Codes: A61M 2039/025 through bones or teeth, e.g. through the skull
• CPC Class Codes: A61M 2210/0681 Sinus (maxillaris)
• CPC Class Codes: A61M 39/0247 Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body peritoneal dialysis catheters A61M1/285; tracheostomy devices A61M16/0465; measuring pressure within the body A61B5/03; colostomy devices A61F5/445; gastrotomy feeding tubes A61J15/0015; means for fixing a feeding tube outside of the body A61J15/0053

Abstract

The present invention refers to a sealable device for temporary or permanent surgical placement through a bone to provide a passage into a cavity or internal anatomic site in a mammal. The sealable device comprises two preferred embodiments: in the first one the device comprises two members, the first one provides a passage through the bone, and the second one, which is movable, is used as a stopper means for the first member, and in the second embodiment, a third removable member is added, which may be connected with said second end of said first member so that the device is affixed to the bone it runs through. The device can be used, for example, for diagnostic purposes, for topical in situ therapy, of medical treatment or for viewing into the cavity. The cavity may be, for instance, the sinus maxillaris. If so, the temporary or permanent placement of the device is carried out via the canine fossa or the lower meatus.

Claims

1. A method for forming a temporary or permanent, unobstructed passageway through a bone into an internal cavity or anatomic site in a mammal, comprising the steps of:

forming a passageway through a bone or other tissue into an internal cavity or anatomic site;

inserting a hollow first member having a first end and a second end, said first member being open only at said first and second ends, within said passageway thereby forming an unobstructed passage to the cavity or anatomic site wherein said second end is positioned to be accessed from outside the cavity or site;

fixing said hollow first member to the bone; and

removably sealing said second end with a second member which is adapted to be connected with said first hollow member by a coupling means.

2. A hollow sealable device for temporary or permanent surgical placement insertable through a bone to provide a passageway into an internal cavity or anatomic site in a mammal, said device being made of a biocompatible material and comprises a first hollow member that has an outer side and an inner side, a first, rear end which is insertable in the cavity and a second, forward end which is accessible from outside the cavity;

said hollow member being provided with openings only at said first and second ends thereby defining and maintaining an interior passage which spans it longitudinally;

wherein said passage has a minimum interior diameter so that an instrument way be inserted into the cavity;

said first member having at least one fastening means on its outer side, at said first rear end or at said second forward end, for the purposes of keeping said first member temporarily or permanently affixed to a bone and preventing the first member from undesirably advancing or slipping out;

said device further comprising a second movable member that has an outer side and two ends, a first rear end and a second, forward end, said second member being connected to the first member by a coupling means provided on the inner side or at the second, forward end of the first member;

said second member sealing said passage in said first member;

wherein said second member has a screw head being provided with a ceramic coating.

3. A hollow sealable device for temporary or permanent surgical placement, insertable through a bone to provide a passageway into an internal cavity or anatomic site in a mammal, said device being made of a biocompatible material and comprises a first hollow member that has an outer side and an inner side, a first, rear end which is insertable in the cavity and a second, forward end which is accessible from outside the cavity;

said hollow member being provided with openings only at said first and second ends thereby defining and maintaining an interior passage which spans it longitudinally;

wherein said passage has a minimum interior diameter so that an instrument may be inserted into the cavity;

said first member having at least one fastening means on its outer side, at said first rear or at said second forward end, for the purposes of keeping said first member temporarily or permanently affixed to a bone and preventing the first member from undesirably advancing or slipping out;

said device further comprising a second movable member that has an outer side and two ends, a first rear and a second, forward end, said second member being connected to the first member by a coupling means provided on the inner side or at the second, forward end of the first member;

said second member sealing said passage in said first member;

wherein said coupling means is a lock provided at said forward end of said first member, whereby said second movable member is connected with the forward end of the first member.

4. The device of claim 3, wherein said forward end of said first member is provided with a closure means to keep said passage in said first member sealed when the second member is coupled to the first member.

5. A hollow sealable device for temporary or permanent surgical placement, adapted to be inserted through a bone to provide a passageway into an internal cavity or anatomic site in a mammal, said device being made of a biocompatible material and comprising:

a first hollow member that has an outer side and an inner side, a first, rear end which is insertable in the cavity and a second, forward end which is accessible from outside the cavity;

said hollow member being provided with openings only at said first and second ends thereby defining and maintaining an interior passage which spans it longitudinally;

wherein said passageway has a minimum interior diameter so that an instrument may be inserted into the cavity;

said first member having at least one fastening means on its outer side, at said first rear end or at said second forward end, for the purposes of keeping said first member temporarily or permanently affixed to a bone and preventing the first member from undesirably advancing or slipping out; and

a second movable member that has an outer side and two ends, a first rear end and a second, forward end, said second member being connected to the first member by a coupling means provided on the inner side or at the second, forward end of the first member;

said second member sealing said passage in said first member;

wherein at least one of said fastening means is a substantially rectangular fin provided at the first, rear end of said first member, which may be anchored from the interior the cavity; and

said first member comprising at least two holes, substantially opposite one another, which connect the outer side with the inner side of said first member.

6. The device of claim 5, wherein said second member has a screw head being provided with a ceramic coating.

7. The device of claim 6, wherein said coupling means is a lock provided at said forward end of said first member, whereby said second movable member is connected with the forward end of the first member.

8. The device of claim 7, wherein said forward end of said first member is provided with a closure means to keep said passage in said first member scaled when the second member is coupled to the first member.