# US 8,465,461 B2 · Blunt needle safety drug delivery system

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- Number: US 8,465,461 B2
- Document ID: US8465461B2
- Status: Granted
- Kind: B2
- Application number: 12/844,546
- Filed: 2010-07-27
- Published: 2012-02-02
- Granted: 2013-06-18
- Earliest claimed: 2010-07-27
- Assignees: Becton, Dickinson and Company
- Applicants: Yongxian Wu; Yun Jin
- Inventors: Yongxian Wu; Yun Jin
- Web page: https://patentgrep.com/patent/US8465461B2

## CPC

- A61M 5/34: Constructions for connecting the needle {, e.g. to syringe nozzle or needle hub (connecting catheter tubes to hubs A61M25/0014)}
- A61M 5/165: Filtering accessories, e.g. blood filters, filters for infusion liquids (A61M1/34, A61M5/36 take precedence)
- A61J 1/2096: {Combination of a vial and a syringe for transferring or mixing their contents}
- A61M 39/26: Valves closing automatically on disconnecting the line and opening on reconnection thereof {(check valves A61M39/24)}
- A61M 2039/1077: {Adapters, e.g. couplings adapting a connector to one or several other connectors}
- A61M 2039/1094: {at least partly incompatible with standard connectors, e.g. to prevent fatal mistakes in connection}
- A61M 2205/273: preventing reuse, e.g. of disposables
- 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)}
- A61J: CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE

## Abstract

Drug delivery devices having non-luer connections and adapters and adaption connectors for providing non-luer connections to drug delivery devices are provided. An exemplary drug delivery device for use with a catheter connection includes a blunt needle component with a non-luer connection and a filter component with a non-luer connection, wherein the non-luer connections of the blunt needle component and filter component are incompatible with standard luer fitting and intravenous route-accessing devices. In one or more embodiments, an adapter having a non-luer connection at one end and a luer connector is provided for use with blunt needle components and filter components wherein one of the blunt needle component and the filter component includes a luer connection and the other of the blunt needle component and the filter component includes a non-luer connection. Methods of delivering liquid medication to a catheter are also provided.

## Claims

### Claim 1

A drug delivery device comprising:
a blunt needle component including an open distal end, an blunt needle extending from the open distal end to a first non-luer connector, the blunt needle having a length greater than 0.5 inches and a lumen in fluid communication with the open distal end, a luer connector attached to the first non-luer connector including an open proximal end in fluid communication with the open distal end; and
a filter component including an inlet for receiving the blunt needle, a second non-luer connector disposed adjacent to the inlet for engaging the first non-luer connector, an outlet and a filter attached to one or both of the inlet and the outlet in fluid communication with the inlet and the outlet, the first non-luer connector having a distally extending wall or annular space shaped to prevent attachment of the blunt needle component to an incompatible filter component,
wherein first non-luer connector and the second non-luer connector are incompatible with standard luer connectors and intravenous route-accessing devices.

### Claim 2 (depends on 1)

The drug delivery device of claim 1, wherein the first non-luer connector comprises a collar comprising an inside surface having threads disposed thereon for engaging an outwardly extending rib disposed on the second non-luer connector.

### Claim 3 (depends on 1)

The drug delivery device of claim 1, wherein the first non-luer connector comprises an outside surface having threads disposed thereon for engaging corresponding threads disposed on an inside surface of the second non-luer connector.

### Claim 4 (depends on 1)

The drug delivery device of claim 1, wherein one or both of the first non-luer connector and the second non-luer connector have cross-sectional widths that are smaller than cross-sectional width of standard luer connectors, intravenous route-accessing devices.

### Claim 5 (depends on 1)

The drug delivery device of claim 1, wherein one or both of the first non-luer connector and the second non-luer connector have cross-sectional widths that are larger than cross-sectional widths of standard luer connectors and intravenous route-accessing devices.

### Claim 6 (depends on 1)

The drug delivery device of claim 1, wherein the one or both of the first non-luer connector and the second non-luer connector have non-circular cross-sectional shapes.

### Claim 7 (depends on 1)

The drug delivery device of claim 1, wherein one or both of the first non-luer connector and the second non-luer connector have connection mechanism selected from an interference fit, snap fit, locking means and combinations thereof.

### Claim 8 (depends on 1)

The drug delivery device of claim 1, wherein one or both of the first non-luer connector and the second non-luer connector provide feedback selected from tactile, audible and a combination thereof upon engagement of the first non-luer connector with the second non-luer connector.

### Claim 9 (depends on 1)

The drug delivery device of claim 1, wherein one or both of the first non-luer connector and the second non-luer connector is rotatable around the blunt needle.

### Claim 10 (depends on 1)

The drug delivery device of claim 1, wherein the blunt needle is non-rigid.

### Claim 11 (depends on 1)

The drug delivery device of claim 1, wherein the luer connector includes a permanent attachment element for forming a permanent attachment with an open tip of a syringe barrel.

### Claim 12 (depends on 1)

The drug delivery device of claim 1 wherein the outlet comprises a fitting for attaching the filter component to a catheter port.

### Claim 13 (depends on 12)

The drug delivery device of claim 12 wherein the outlet includes a permanent attachment element for forming a permanent attachment with the catheter port.

### Claim 14 (depends on 12)

The drug delivery device of claim 12, wherein the outlet is rotatable.

### Claim 15 (depends on 1)

The drug delivery device of claim 1 wherein the luer connector comprises a luer slip fitting or a luer lock fitting.

### Claim 16 (depends on 1)

The drug delivery device of claim 1, wherein the second non-luer connector is incompatible with standard syringe barrels.

### Claim 17 (depends on 1)

The drug delivery device of claim 1, wherein the filter is disposed within a housing disposed between the inlet and the outlet.

### Claim 18 (depends on 1)

The drug delivery device of claim 1, wherein the filter is disposed in a filter plate attached to one of the inlet and the outlet.

### Claim 19 (depends on 18)

The drug delivery device of claim 18, wherein the filter plate includes a first opening for attaching the filter plate to the outlet of the filter component and a second opening for attaching the filter plate to the inlet of the filter component.

### Claim 20

A drug delivery device comprising:
a blunt needle component including an open distal end, an blunt needle extending from the open distal end to a first non-luer connector, the blunt needle having a length in the range of about 0.5 to about 1.5 inches and a lumen in fluid communication with the open distal end, a luer connector attached to the first non-luer connector including an open proximal end in fluid communication with the open distal end; and
a filter component including an inlet with an opening and a valve for receiving the blunt needle, a second non-luer connector disposed adjacent to the inlet for engaging the first non-luer connector, an outlet and a filter attached to one or both of the inlet and the outlet in fluid communication with the inlet and the outlet,
wherein the valve is configured to open upon application of a force in the distal direction by the blunt needle.

### Claim 21 (depends on 20)

The drug delivery device of claim 20, wherein the valve comprises a split septum.

### Claim 22 (depends on 20)

The drug delivery device of claim 20, wherein the valve comprises a check valve.

### Claim 23 (depends on 22)

The drug delivery device of claim 22, wherein the valve is disposed within the inlet at a distance of at least 0.9 inches from the opening.

### Claim 24 (depends on 22)

The drug delivery device of claim 22, wherein the inlet has a cross-sectional shape that is compatible with a cross-sectional shape of the blunt needle.

### Claim 25 (depends on 22)

The drug delivery connector of claim 22, wherein the inlet and the blunt needle have a non-circular cross-sectional shape.

### Claim 26 (depends on 22)

The drug delivery connector of claim 22, wherein the check valve comprises one of a ball valve and a disc valve.

### Claim 27 (depends on 26)

The drug delivery connector of claim 26, wherein the check valve may be spring loaded.

### Claim 28

A drug delivery device comprising:
a blunt needle component including an open distal end, an blunt needle having a lumen in fluid communication with the open distal end, a luer connector attached to a first connector including an open proximal end in fluid communication with the open distal end; and
an inlet for attaching the blunt needle to a filter component, the blunt needle having a non-luer cross-sectional shape that prevents attachment of a luer connector and IV actuator mechanism to the blunt needle component and permits and blocks fluid communication with the inlet, an outlet and a filter attached to one or both of the inlet and the outlet in fluid communication with the inlet and the outlet, and wherein the first connector comprises a non-luer connector and the filter component comprises a second non-luer connector that prevents attachment of a luer connector, IV actuator mechanism and standard syringe barrel to the inlet.

### Claim 29

A method of delivering liquid medication to a catheter comprising:
attaching a filter component comprising an inlet, a first non-luer connector integrally connected adjacent to the inlet for engaging a second non-luer connector, an outlet and filter disposed between the inlet and the outlet to a catheter;
providing a blunt needle component comprising including an open distal end, an blunt needle having a lumen in fluid communication with the open distal end, a luer connector attached to a second non-luer connector including an open proximal end in fluid communication with the open distal end;
attaching a tip of a syringe barrel to the open proximal end of the blunt needle component
filling the syringe barrel with a pre-determined amount of liquid medication; and
attaching the blunt needle component to the filter component.

### Claim 30 (depends on 29)

The method of claim 29, wherein the blunt needle has a length that extends into the inlet and a cross-sectional shape to form a fluid tight connection with the filter component.

### Claim 31 (depends on 29)

The method of claim 29, wherein the inlet has a cross-sectional shape prevents fluid tight connection with a standard luer connector, IV actuator mechanism and standard syringe barrel.

### Claim 32

A drug delivery device comprising:
a first adapter connector comprising a first open end including a first luer fitting, a second open end including an first non-luer fitting and a first main body having a hollow interior extending from the first open end to the second open end and in fluid communication with the first open end and the second open end; and
a second adapter connector comprising a third open end including a second luer fitting and a fourth open end including a second non-luer fitting, a second main body having a hollow interior extending from the third open end to the fourth open end and in fluid communication with the third open end and the fourth open end,
wherein first non-luer fitting and the second non-luer fitting are incompatible with standard luer fitting and intravenous route-accessing devices.

### Claim 33 (depends on 32)

The drug delivery device of claim 32, further comprising;
a blunt needle component including an open distal end, an blunt needle extending from the open distal end to a first luer connection portion, the blunt needle having a length in the range of about 0.1 to about 1.5 inches and a lumen in fluid communication with the open distal end, a second luer connection portion attached to the first luer connection portion including an open proximal end in fluid communication with the open distal end, the first luer connection portion attached to the first luer fitting of the first adapter connector; and
a filter component including an inlet for receiving the blunt needle, a third luer connection portion disposed adjacent to the inlet and attached to the second luer fitting of the second adapter connector, an outlet and a filter attached to one or both of the inlet and the outlet in fluid communication with the inlet and the outlet.

### Claim 34 (depends on 33)

The drug delivery device of claim 33, wherein the first main body of the first adapter connector comprises a valve for receiving the blunt needle and configured to open upon application of a force in the distal direction by the blunt needle.

### Claim 35 (depends on 34)

The drug delivery device of claim 34, wherein the valve comprises a split septum.

### Claim 36 (depends on 34)

The drug delivery device of claim 34, wherein the valve comprises a check valve.
