# US 10,369,345 B2 · Medical access port, systems and methods of use thereof

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- Number: US 10,369,345 B2
- Document ID: US10369345B2
- Status: Granted
- Kind: B2
- Application number: 15/300,625
- Filed: 2015-03-31
- Published: 2017-06-29
- Granted: 2019-08-06
- Earliest claimed: 2014-03-31
- Assignees: Versago Vascular Access, Inc.
- Applicants: Versago Vascular Access, Inc.
- Inventors: Steven J. Tallarida; Richard P. Rodgers; John M. Butziger
- Web page: https://patentgrep.com/patent/US10369345B2

## CPC

- A61M 39/0208: {Subcutaneous access sites (implantable infusion devices A61M5/14276; transcutaneous access sites A61M39/0247)}
- A61M 5/158: Needles {for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body}
- A61M 39/22: Valves or arrangement of valves {(A61M39/02, A61M39/0247, A61M39/16 take precedence; regulating valves in infusion systems A61M5/16881; in devices worn by the patient for the reception of urine, faeces, catamenial or other discharge, or in colostomy devices A61F5/4405)}
- A61M 2005/14284: {with needle insertion means}
- A61M 2039/0226: {having means for protecting the interior of the access site from damage due to the insertion of a needle}
- A61M 2039/0235: {having an additional inlet, e.g. for a guidewire or a catheter tube}
- A61M 2205/04: implanted
- A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)}

## Abstract

A medical device comprising a subcutaneous access port having an access port body and at least one needle having a removable needle tip and a needle shaft defining a needle lumen; the at least one needle housed within the access port body, the at least one needle extendable and retractable relative to the access port body; and a needle shift mechanism operable such that the at least one needle is extendable from and retractable into the access port body at a plurality of positions of the access port body.

## Claims

### Claim 1

A method of treating a subject, comprising:
penetrating a first needle outwardly through skin of the subject from within the subject from a first needle first use position of an access port implanted within the subject such that the first needle is exposed outside the subject,
wherein the access port comprises an access port body containing the first needle and a needle shift mechanism, the needle shift mechanism movable within the access port body to move the at least one needle to a plurality of different use positions of the access port body, wherein the needle shift mechanism is rotatable around an axis of rotation, and the at least one needle is extendable and retractable along the axis of rotation; and
wherein penetrating the first needle outwardly through skin of the subject is performed while extending the at least one needle along the axis of rotation;
introducing a first fluid into the subject through the first needle;
withdrawing the first needle inwardly through the skin of the subject from outside the subject such that the first needle is concealed within the subject and within the access port body, wherein withdrawing the first needle inwardly though the skin of the subject is performed while retracting the at least one needle along the axis of rotation;
moving the first needle within the access port body from the first needle first use position to a first needle second use position by rotating the needle shift mechanism around the axis of rotation;
penetrating the first needle outwardly through the skin of the subject from within the subject from the first needle second use position of the access port implanted within the subject such that the first needle is exposed outside the subject, wherein penetrating the first needle outwardly through skin of the subject is performed while extending the at least one needle along the axis of rotation;
introducing a second fluid into the subject through the first needle and;
withdrawing the first needle inwardly through the skin of the subject from outside the subject such that the first needle is concealed within the subject and within the access port body,
wherein withdrawing the first needle inwardly though the skin of the subject is performed while retracting the at least one needle along the axis of rotation.

### Claim 2 (depends on 1)

The method claim 1 wherein:
the first needle comprises a first needle removable needle tip and a first needle shaft, and
wherein the first needle removable needle tip is removably secured to the first needle shaft, and
wherein the first needle removable needle tip closes a lumen of the first needle shaft to passage of fluid when secured to the first needle shaft; and further comprising
penetrating the first needle outwardly through the skin of the subject from within the subject from the first needle first use position of the access port implanted within the subject such that the first needle removable needle tip is exposed outside the subject.

### Claim 3 (depends on 2)

The method claim 2 further comprising:
removing the first needle removable needle tip from the first needle shaft to access the lumen of the first needle shaft before introducing the first fluid into the subject through the first needle.

### Claim 4 (depends on 3)

The method claim 3 further comprising:
replacing the first needle removable needle tip on the first needle shaft after introducing the first fluid into the subject through the first needle.

### Claim 5 (depends on 4)

The method claim 4 wherein:
the first needle removable needle tip is replaced on the first needle shaft with the same removable needle tip removed from the shaft.

### Claim 6 (depends on 4)

The method claim 4 wherein:
the first needle removable needle tip is replaced on the first needle shaft with a sterilized removable needle tip.

### Claim 7 (depends on 4)

The method claim 4 further comprising:
penetrating the first needle outwardly through the skin of the subject from within the subject from the first needle second use position of the access port implanted within the subject such that the first needle removable needle tip is exposed outside the subject.

### Claim 8 (depends on 7)

The method claim 7 further comprising:
removing the first needle removable needle tip from the first needle shaft to access the lumen of the first needle shaft before introducing the second fluid into the subject through the first needle.

### Claim 9 (depends on 8)

The method claim 8 further comprising:
replacing the first needle removable needle tip on the first needle shaft after introducing the second fluid into the subject through the first needle.

### Claim 10 (depends on 9)

The method claim 9 wherein:
the first needle removable needle tip is replaced on the first needle shaft with the same removable needle tip removed from the shaft.

### Claim 11 (depends on 9)

The method claim 9 wherein:
the first needle removable needle tip is replaced on the first needle shaft with a sterilized removable needle tip.

### Claim 12 (depends on 1)

The method claim 1 further comprising:
moving the first needle within the access port body from the first needle second use position to a first needle third use position.

### Claim 13

A method of treating a subject, comprising:
penetrating a first needle outwardly through skin of the subject from within the subject from a first needle first use position of an access port implanted within the subject such that the first needle is exposed outside the subject,
wherein the access port comprises an access port body containing the first needle and a needle shift mechanism, the needle shift mechanism movable within the access port body to move the at least one needle to a plurality of different use positions of the access port body, wherein the needle shift mechanism is rotatable around an axis of rotation, and the at least one needle is extendable and retractable along the axis of rotation; and
wherein penetrating the first needle outwardly through skin of the subject is performed while extending the at least one needle along the axis of rotation;
removing a first fluid from the subject through the first needle;
withdrawing the first needle inwardly through the skin of the subject from outside the subject such that the first needle is concealed within the subject and within the access port body, wherein withdrawing the first needle inwardly though the skin of the subject is performed while retracting the at least one needle along the axis of rotation;
moving the first needle within the access port body from the first needle first use position to a first needle second use position by rotating the needle shift mechanism around the axis of rotation;
penetrating the first needle outwardly through the skin of the subject from within the subject from the first needle second use position of the access port implanted within the subject such that the first needle is exposed outside the subject, wherein penetrating the first needle outwardly through skin of the subject is performed while extending the at least one needle along the axis of rotation;
removing a second fluid from the subject through the first needle and;
withdrawing the first needle inwardly through the skin of the subject from outside the subject such that the first needle is concealed within the subject and within the access port body, wherein withdrawing the first needle inwardly though the skin of the subject is performed while retracting the at least one needle along the axis of rotation.

### Claim 14 (depends on 13)

The method claim 13 wherein:
the first needle comprises a first needle removable needle tip and a first needle shaft, and
wherein the first needle removable needle tip is removably secured to the first needle shaft, and
wherein the first needle removable needle tip closes a lumen of the first needle shaft to passage of fluid when secured to the first needle shaft; and further comprising
penetrating the first needle outwardly through the skin of the subject from within the subject from the first needle first use position of the access port implanted within the subject such that the first needle removable needle tip is exposed outside the subject.

### Claim 15 (depends on 14)

The method claim 14 further comprising:
removing the first needle removable needle tip from the first needle shaft to access the lumen of the first needle shaft before removing the first fluid from the subject through the first needle.

### Claim 16 (depends on 15)

The method claim 15 further comprising:
replacing the first needle removable needle tip on the first needle shaft after removing the first fluid from the subject through the first needle.

### Claim 17 (depends on 16)

The method claim 16 wherein:
the first needle removable needle tip is replaced on the first needle shaft with the same removable needle tip removed from the shaft.

### Claim 18 (depends on 16)

The method claim 16 wherein:
the first needle removable needle tip is replaced on the first needle shaft with a sterilized removable needle tip.

### Claim 19 (depends on 16)

The method claim 16 further comprising:
penetrating the first needle outwardly through the skin of the subject from within the subject from the first needle second use position of the access port implanted within the subject such that the first needle removable needle tip is exposed outside the subject.

### Claim 20 (depends on 19)

The method claim 19 further comprising:
removing the first needle removable needle tip from the first needle shaft to access the lumen of the first needle shaft before removing the second fluid from the subject through the first needle.

### Claim 21 (depends on 20)

The method claim 20 further comprising:
replacing the first needle removable needle tip on the first needle shaft after removing the second fluid from the subject through the first needle.

### Claim 22 (depends on 21)

The method claim 21 wherein:
the first needle removable needle tip is replaced on the first needle shaft with the same removable needle tip removed from the shaft.

### Claim 23 (depends on 21)

The method claim 21 wherein:
the first needle removable needle tip is replaced on the first needle shaft with a sterilized removable needle tip.

### Claim 24 (depends on 13)

The method claim 13 further comprising:
moving the first needle within the access port body from the first needle second use position to a first needle third use position.