Non-balloon low profile feed device with insertion/removal tool
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-011/00
A61M-005/178
A61M-005/32
출원번호
US-0531946
(2006-09-14)
등록번호
US-8709018
(2014-04-29)
발명자
/ 주소
Williams, Derek M.
Phillips, Grant W.
출원인 / 주소
Applied Medical Technology, Inc.
대리인 / 주소
Pearne & Gordon LLP
인용정보
피인용 횟수 :
2인용 특허 :
6
초록▼
A device for inserting a non-balloon gastrostomic device through an opening in the wall of the abdomen and stomach or other viscera of a patient is provided. The insertion device comprises a body, a stylus, and a trigger device being adapted to selectively maintain a selected position of the stylus
A device for inserting a non-balloon gastrostomic device through an opening in the wall of the abdomen and stomach or other viscera of a patient is provided. The insertion device comprises a body, a stylus, and a trigger device being adapted to selectively maintain a selected position of the stylus relative to the body without the use of an external force. A method of inserting the gastrostomic device utilizing the insertion tool is also provided. In addition or alternatively, a gastrostomic device is provided including a hollow tube member and an enlarged resiliently deformable tip at one end of the tube member. The deformable tip is deformable between a first configuration and a second configuration, each configuration having a cross-sectional area. In addition or alternatively, a method is provided for forming the gastrostomic device using a disposable core.
대표청구항▼
1. A device for inserting a non-balloon gastrostomic device through an opening in the wall of the abdomen and stomach or other viscera of a patient, the device comprising: a body including a tapered aperture extending therethrough, with the body substantially enclosing the aperture and the aperture
1. A device for inserting a non-balloon gastrostomic device through an opening in the wall of the abdomen and stomach or other viscera of a patient, the device comprising: a body including a tapered aperture extending therethrough, with the body substantially enclosing the aperture and the aperture having a larger opening at one end than the other, with the body having a plurality of detents along its exterior surface and having an attachment member positioned at one end of the body configured to removably fix the body to an opening in a gastrostomic device;a stylus having a proximal end and a terminal end, the terminal end being configured to extend a distance through the aperture of the body to deform a portion of a gastrostomic device fixed to the body; anda trigger device attached to the proximal end of the stylus and being adapted to selectively maintain a selected position of the terminal end of the stylus relative to the body without the use of an external force, the trigger device including at least one projection, with the projection being configured to engage one of the plurality of detents;at least one ratchet arm attached to the trigger device to permit the at least one projection to move towards and away from engagement with the plurality of detents;at least one release arm configured to release the at least one projection from engagement with the plurality of detents. 2. The device of claim 1, wherein the attachment member is a locking member having a locking feature for removably mating with an opening of a gastrostomic device and a tapered end for insertion into the opening of the device, with the tapered end serving to open a valve disposed in the gastrostomic device. 3. The device of claim 1, wherein the body further comprises a handle portion. 4. The device of claim 1, wherein the body further comprises positional indicia configured to indicate the selected position of the terminal end of the stylus relative to the body. 5. The device of claim 1, wherein the body further comprises a retainer bracket configured to reinforce a portion of a gastrostomic device during removal thereof from a patient. 6. The device of claim 5, wherein the retainer bracket is removably and pivotally attached to the body by a pair of pivot arms that are pivotally retained within opposing detents on the body. 7. The device of claim 1, further comprising a gastrostomic device that includes a deformable tip having an apex, the apex including a thickened portion configured to withstand application of an external force without damage or degradation of the gastrostomic device. 8. The device of claim 1, wherein the trigger device further comprises a plunger member disposed at one end of the trigger device and configured to be actuated by a hand of a user for selectively positioning the stylus relative to the body. 9. A device for inserting a non-balloon gastrostomic device through an opening in the wall of the abdomen and stomach or other viscera of a patient, the device comprising: a body including an aperture extending therethrough and a plurality of detents along its exterior surface and an attachment member configured to removably attach the body to a gastrostomic device, with the attachment member having a locking feature for locking a gastrostomic device to the body and a tapered end for insertion into an opening in the device, with the tapered end serving to open a valve within the device;a stylus having a proximal end and a terminal end, the terminal end being configured to extend a distance through the aperture of the body to deform a portion of a gastrostomic device attached to the body; anda trigger device attached to the proximal end of the stylus at a connection portion and being adapted to selectively maintain a selected position of the terminal end of the stylus relative to the body without the use of an external force, the trigger device further comprising at least one mating feature for engaging one of the plurality of detents; anda release mechanism for releasing the mating feature from the plurality of detents. 10. The device of claim 9, wherein the mating feature comprises at least one ratchet arm having an projection extending therefrom at one end thereof, said ratchet arm is coupled to the trigger device such that the projection moves towards and away from engagement with one of the plurality of detents; and the release feature comprises at least one release arm configured to release the projection from engagement with one of the plurality of detents. 11. The device of claim 10, wherein the at least one ratchet arm is coupled to the connection portion and the at least one release arm is connected to the connection portion of the trigger device. 12. The device of claim 11, wherein the at least one ratchet arm is longitudinally aligned with the at least one release arm. 13. An apparatus for inserting a non-balloon gastrostomic device having a hollow interior and a deformable tip through an opening in a patient's body, comprising: a body having a wall defining a channel-like guiding aperture extending therethrough, with the wall of the body substantially surrounding the aperture and having a plurality of detents defined along at least a portion of the length of the wall, said body having an attachment portion for removably coupling with a hollow interior of a gastrostomic device; anda trigger device coupled to the body at one end of the trigger device and having a connection portion defined at the other end of the trigger device, with a stylus coupled to the connection portion of the trigger device and extending into the guiding aperture of the body, with the trigger device including a member having at least one projection for engaging one or more of the plurality of detents, wherein the trigger device selectively maintains a discrete position of the stylus relative to the body. 14. The apparatus of claim 13, wherein the member having at least one projection is an arm coupled to the connection portion of the trigger device, said arm holding the projection at an end thereof. 15. The apparatus of claim 14, wherein the arm includes a ratchet portion that extends in one direction relative to the connection portion and a release portion that extends in an opposite direction relative to the connection portion, with the ratchet portion of the arm being longitudinally aligned with the release portion of the arm; and the ratchet portion of the arm includes the at least one projection. 16. The apparatus of claim 13, wherein the attachment portion includes a locking feature for locking the end of the body to an opening in a gastrostomic device. 17. The apparatus of claim 16, wherein the locking feature includes a tapered portion for insertion into an opening in a gastrostomic device, with the tapered portion having a configuration for opening a valve positioned in the gastrostomic device. 18. The apparatus of claim 13, wherein the aperture in the body tapers from a larger diameter at one end to a smaller diameter at the other end, with the smaller diameter being at the attachment portion end of the body. 19. The apparatus of claim 13, further comprising a plunger coupled to the trigger device for actuation of the trigger device by a hand of a user to selectively position the stylus relative to the body. 20. The apparatus of claim 13, wherein the arm comprises a pair of arms that include a ratchet portion that holds a projection and a release portion that is configured to release the projection of each ratchet portion from a corresponding detent.
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