ClassID:

22973

A61M5/50 - CPC Classification

Classification description:

Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile

Sub-classes:
Recent Application in this class:
#1
20260048202
2026-02-19

Auto-Injector

#2
20260034313
2026-02-05

SYRINGE SHOCK ABSORBER FOR USE IN AN INJECTION DEVICE

#3
20250387573
2025-12-25

Palm Activated Drug Delivery Device

#4
20250360270
2025-11-27

DRUG DELIVERY DEVICE

#5
20250352729
2025-11-20

PREFILLED SYRINGE WITH BREAKAWAY FORCE FEATURE

#6
20250325751
2025-10-23

BENEFICIAL AGENT DISPENSER

#7
20250288746
2025-09-18

CARTRIDGE HOLDING UNIT

#8
20250249178
2025-08-07

Automated Syringe

#9
20250242114
2025-07-31

Cap

#10
20250195788
2025-06-19

PEN NEEDLE

#11
20250195754
2025-06-19

REUSABLE CONTROL ASSEMBLY AND PRODUCT-DELIVERY DEVICE COMPRISING SUCH AN ASSEMBLY

#12
20250152828
2025-05-15

Auto-Injector

#13
20250152827
2025-05-15

Auto-Injector

#14
20250152826
2025-05-15

Auto-Injector

#15
20250152825
2025-05-15

Auto-Injector

#16
20250050037
2025-02-13

SYRINGE SHOCK ABSORBER FOR USE IN AN INJECTION DEVICE

#17
20250041508
2025-02-06

Tamper Evident Closure Container

#18
20240424228
2024-12-26

Drug Delivery Device

#19
20240424227
2024-12-26

SYSTEMS AND METHODS RELATED TO SYRINGES

#20
20240374840
2024-11-14

NEEDLE STICK PROTECTION DEVICE

#21
20240238534
2024-07-18

SMALLPOX VACCINATION DEVICE

#22
20240238523
2024-07-18

Auto-Injector

#23
20240238522
2024-07-18

Auto-Injector

#24
20240238521
2024-07-18

Auto-Injector

#25
20240216602
2024-07-04

Tamper evident closure container

#26
20240207525
2024-06-27

CONTAINER FOR EJECTING A SUBSTANCE AND RELATED PRODUCTION METHOD

#27
20240207520
2024-06-27

Auto-Injector

#28
20240148980
2024-05-09

Actuator Assembly for Drug Delivery System

#29
20240139430
2024-05-02

Syringe Assembly for Use in Medication Delivery

#30
20240139413
2024-05-02

Needle Guard

#31
20240115811
2024-04-11

DRUG DELIVERY DEVICE FOR DELIVERING A PREDEFINED FIXED DOSE

#32
20240058536
2024-02-22

Auto-Injector

#33
20240042133
2024-02-08

MEDICATION DELIVERY DEVICE WITH NEEDLE CARRIER

#34
20240033496
2024-02-01

TAMPER-RESISTANT CAP

#35
20240009398
2024-01-11

SYSTEMS AND METHODS FOR BLOW-FILL-SEAL (BFS) ASSISTED DISPENSING AND DISABLEMENT

#36
20230398303
2023-12-14

DOSE SETTING MECHANISM AND METHOD OF LOCKING AN INJECTION PEN

#37
20230364324
2023-11-16

Tamper evident closure container

#38
20230321357
2023-10-12

Injection device with flexible dose selection

#39
20230302228
2023-09-28

Injection device with flexible dose selection

#40
20230285685
2023-09-14

Safety Device for a Needle

#41
20230241320
2023-08-03

Low Cost Syringe with Durable and Disposable Components

#42
20230218833
2023-07-13

Palm Activated Drug Delivery Device

#43
20230191031
2023-06-22

PREFILLED SYRINGE WITH BREAKAWAY FORCE FEATURE

#44
20230173181
2023-06-08

Autoinjector Housing

#45
20230141155
2023-05-11

PASSIVE SAFETY NEEDLE SHIELD

#46
20230106117
2023-04-06

SYSTEMS AND METHODS FOR GENERATING IMMUNE RESPONSES IN SUBJECTS USING MICROCHANNEL DELIVERY DEVICES

#47
20230090397
2023-03-23

Palm Activated Drug Delivery Device

#48
20230086760
2023-03-23

Auto-injector

#49
20230051213
2023-02-16

DRUG CONTAINER SYSTEMS INCLUDING LOCK-OUT MECHANISMS

#50
20230019806
2023-01-19

Auto-injector

#51
20220401655
2022-12-22

PLUNGER ROD AND SYRINGE ADAPTED FOR COMPRESSION FAILURE

#52
20220370727
2022-11-24

DISPOSABLE SAFETY SYRINGE NEEDLE AND SYRINGE DEVICE INCLUDING SAME

#53
20220362458
2022-11-17

NEEDLE INSERTION MECHANISM FOR AN INJECTION DEVICE WITH AN IMPROVED IMPACT RESISTANCE

#54
20220347396
2022-11-03

AUTOINJECTOR APPARATUS

#55
20220331527
2022-10-20

Pen needle with retractable shield

#56
20220313915
2022-10-06

Auto-injector

#57
20220305194
2022-09-29

Tamper evident closure container

#58
20220288307
2022-09-15

Needle guard

#59
20220273881
2022-09-01

Syringe Tip Cap

#60
20220233775
2022-07-28

WEARABLE AUTO-INJECTOR DEVICES AND METHODS

#61
20220218906
2022-07-14

Auto-injector

#62
20220211947
2022-07-07

Auto-injector

#63
20220203042
2022-06-30

Safety housing based implant/medicament injecting system

#64
20220143326
2022-05-12

Safety housing based implant/medicament injecting system

#65
20220143325
2022-05-12

Safety needle and safety needle device

#66
20220143321
2022-05-12

Safety housing based implant/medicament injecting system

#67
20220111156
2022-04-14

Systems, apparatuses and methods to encourage injection site rotation and prevent lipodystrophy from repeated injections to a body area

#68
20220105272
2022-04-07

BENEFICIAL AGENT DISPENSER

#69
20220088310
2022-03-24

BENEFICIAL AGENT DISPENSER

#70
20220072239
2022-03-10

Drug delivery device with restricted cap replacement

#71
20220062564
2022-03-03

SYRINGE SHOCK ABSORBER FOR USE IN AN INJECTION DEVICE

#72
20220008662
2022-01-13

Syringe safety cap and safety syringe including the same

#73
20220001116
2022-01-06

Prefilled disposable injection device

#74
20210402102
2021-12-30

Cap

#75
20210379295
2021-12-09

Fluid delivery device

#76
20210369978
2021-12-02

Safety needle devices

#77
20210316074
2021-10-14

Medicament delivery device with rotator retaining the plunger rod

#78
20210299356
2021-09-30

DRUG DELIVERY DEVICE

#79
20210283344
2021-09-16

Pen needle

#80
20210275401
2021-09-09

Self-destruct-upon-opening cap applicable to small-diameter connector used for gastrointestinal tract

#81
20210170157
2021-06-10

Single use caps and covers for vascular access devices, and kits and methods for using the same

#82
20210138155
2021-05-13

Injection device

#83
20210128842
2021-05-06

Autoinjector apparatus

#84
20210113771
2021-04-22

T-shaped slot locking safety syringe

#85
20210106767
2021-04-15

HYPODERMIC NEEDLE PROTECTIVE COVER

#86
20210030965
2021-02-04

Single use delivery device

#87
20210023311
2021-01-28

Needle stick protection device

#88
20210001108
2021-01-07

Tamper-resistant cap

#89
20200360606
2020-11-19

INFUSION PUMP SYSTEM AND METHODS

#90
20200345943
2020-11-05

Actuator assembly for drug delivery system

#91
20200324052
2020-10-15

Low cost syringe with durable and disposable components

#92
20200316298
2020-10-08

Auto-injector

#93
20200297940
2020-09-24

Safely needle

#94
20200289763
2020-09-17

INJECTION DEVICE WITH FLEXIBLE DOSE SELECTION

#95
20200289762
2020-09-17

Injection device with flexible dose selection

#96
20200268977
2020-08-27

INJECTION DEVICE WITH FLEXIBLE DOSE SELECTION

#97
20200254193
2020-08-13

Plunger restricted safety syringe

#98
20200254192
2020-08-13

Pen Needle with Outer Cover

#99
20200254191
2020-08-13

Pen Needle with Outer Cover

#100
20200246553
2020-08-06

Multi-component safety needle cover

#101
20200222641
2020-07-16

Fluid collector

#102
20200197626
2020-06-25

Autoinjector apparatus

#103
20200179619
2020-06-11

Syringe opening confirmation structure

#104
20200155771
2020-05-21

Systems and methods related to syringes

#105
20200121909
2020-04-23

Infusion set

#106
20200101218
2020-04-02

THERAPEUTIC PRODUCT DELIVERY DEVICE

#107
20200078533
2020-03-12

FLUID DELIVERY DEVICE

#108
20200069872
2020-03-05

PIERCING MECHANISM AND CARTRIDGE PIERCING SYSTEM

#109
20200054840
2020-02-20

Palm activated drug delivery device

#110
20200054838
2020-02-20

Palm activated drug delivery device

#111
20200046912
2020-02-13

Passive safety needle shield

#112
20200030536
2020-01-30

Prefilled syringe with breakaway force feature

#113
20190358392
2019-11-28

Syringe assembly

#114
20190351129
2019-11-21

Tamper-evident pen needle outer cover

#115
20190328956
2019-10-31

Tamper evident closure container

#116
20190321075
2019-10-24

Implant injection device having a rack and pinion transmission

#117
20190307969
2019-10-10

Needle stick protection device

#118
20190255260
2019-08-22

Syringe-connector device for the separate administration of controlled quantities at least two products in a single injection

#119
20190247592
2019-08-15

Limiting life time of dispense assembly

#120
20190224424
2019-07-25

Injection needle assembly

#121
20190217020
2019-07-18

Cap, syringe assembly, and prefilled syringe

#122
20190201632
2019-07-04

Autoinjector apparatus

#123
20190192785
2019-06-27

Drug delivery device with restricted cap replacement

#124
20190192779
2019-06-27

Drug dispensing-tracking device, system and method

#125
20190175844
2019-06-13

Safety housing based implant/ medicament injecting system

#126
20190175834
2019-06-13

Joining technology of a dispense interface

#127
20190167920
2019-06-06

Single use injector

#128
20190151561
2019-05-23

Injection device comprising a cover cap and a system for preventing the cover cap from being remounted

#129
20190117903
2019-04-25

Fluid injecting system with needle retraction by vacuum

#130
20190117893
2019-04-25

Drug delivery device

#131
20190099559
2019-04-04

Pharmaceutical injection device and storage case therefor

#132
20190076604
2019-03-14

Systems, apparatuses and methods to encourage injection site rotation and prevent lipodystrophy from repeated injections to a body area

#133
20190076603
2019-03-14

Retractable syringe with improved delivery efficiency and locking system

#134
20190060581
2019-02-28

Pen needle tip and method of making and using the same

#135
20190046737
2019-02-14

Injection device

#136
20190030257
2019-01-31

Dose divider syringe

#137
20190022336
2019-01-24

Prefilled disposable injection device

#138
20190015595
2019-01-17

Injection device with flexible dose selection

#139
20190015588
2019-01-17

INLET TUBE SET FOR SOURCE INGREDIENT DELIVERY

#140
20190001075
2019-01-03

Safety syringe with needle redirection device

#141
20180360364
2018-12-20

Needle Guard

#142
20180353707
2018-12-13

Syringe needle shield and base for the same

#143
20180344940
2018-12-06

Method of manufacturing a sealing element

#144
20180339147
2018-11-29

Tamper-resistant cap

#145
20180339115
2018-11-29

Pen needle

#146
20180318522
2018-11-08

Shielded needle cannula

#147
20180318519
2018-11-08

SECURITY CAP ASSEMBLY FOR SYRINGE

#148
20180304025
2018-10-25

INJECTION SYSTEM

#149
20180296774
2018-10-18

Syringe cap having reuse prevention structure

#150
20180296772
2018-10-18

SELF-ANESTHETIZING HYPODERMIC NEEDLE SYSTEM AND METHOD OF USING SAME

#151
20180264203
2018-09-20

Needle unit for drug delivery device

#152
20180256856
2018-09-13

PERIPHERAL INTRAVENOUS CATHETER WITH BELLOWS-TYPE PASSIVE SAFETY SYSTEM IVCBTS

#153
20180250470
2018-09-06

Automatic injection device with near-field communication

#154
20180243505
2018-08-30

Beneficial agent dispenser

#155
20180236183
2018-08-23

Disposable syringe for prevention of reuse

#156
20180236177
2018-08-23

Pen needle tip

#157
20180221592
2018-08-09

Needle guard

#158
20180221581
2018-08-09

SELECTABLE SINGLE DOSE AUTO-INJECTOR AND METHODS OF MAKING AND USING SAME

#159
20180193572
2018-07-12

SINGLE USE DELIVERY DEVICE

#160
20180193571
2018-07-12

SINGLE USE DELIVERY DEVICE HAVING SAFETY FEATURES

#161
20180193565
2018-07-12

Single use delivery device prefilled with a reconstitutable agent

#162
20180193564
2018-07-12

Auto-injector device with interchangeable modules for dimensional and operational compatibility with a variety of diverse pre-filled cartridges

#163
20180161514
2018-06-14

Caps for integrated fill and inject of safety needle devices

#164
20180161498
2018-06-14

Infusion Pump System and Methods

#165
20180154079
2018-06-07

WEARABLE AUTOMATIC INJECTION DEVICE FOR CONTROLLED DELIVERY OF THERAPEUTIC AGENTS

#166
20180099102
2018-04-12

SAFETY SYRINGE STRUCTURE

#167
20180043093
2018-02-15

Indwelling needle assembly

#168
20180028764
2018-02-01

Pen needle provided with safety protection system

#169
20180015229
2018-01-18

Injection needle assembly and medicine injection apparatus

#170
20180008786
2018-01-11

Needle retraction medical device

#171
20170361035
2017-12-21

LOCK OUT MEMBER WITH DIFFERENT CROSS SECTIONS

#172
20170361034
2017-12-21

Reusable instrument handle with single-use tip

#173
20170354785
2017-12-14

Actuator assembly for drug delivery system

#174
20170333625
2017-11-23

Needle cannula position as an input to operational control of an injection device

#175
20170326298
2017-11-16

Auto-injector

#176
20170312435
2017-11-02

Method of manufacturing one of a range of autoinjectors

#177
20170304556
2017-10-26

Needle cover assembly

#178
20170290996
2017-10-12

DISPENSE INTERFACE WITH LOCKOUT ELEMENT

#179
20170281853
2017-10-05

Syringe assembly

#180
20170239427
2017-08-24

Syringe shock absorber for use in an injection device

#181
20170216534
2017-08-03

Needle assembly

#182
20170182260
2017-06-29

Pen needle with safety shield system

#183
20170165451
2017-06-15

Insertion device with protection against reuse

#184
20170136192
2017-05-18

Injection device having needle shield locking

#185
20170106136
2017-04-20

Tamper-evident pen needle outer cover

#186
20170100544
2017-04-13

FLUID TRANSFER MECHANISM FOR NEEDLE-FREE INJECTION DEVICE

#187
20170080153
2017-03-23

Medicament delivery device with rotator retaining the plunger rod

#188
20170034697
2017-02-02

Pen needle outer cover concepts

#189
20170028186
2017-02-02

Tamper-resistant cap

#190
20170028141
2017-02-02

Systems, apparatuses and methods to encourage injection site rotation and prevent lipodystrophy from repeated injections to a body area

#191
20160361491
2016-12-15

Infusion set

#192
20160354544
2016-12-08

Infusion pump system and method

#193
20160339170
2016-11-24

Therapeutic product delivery device

#194
20160331909
2016-11-17

Fluid flow control device with retractable cannula

#195
20160317758
2016-11-03

A Connecting Structure for a Syringe Needle Base and a Syringe Tube in a Safety Syringe

#196
20160296699
2016-10-13

Needle cannula position as an input to operational control of an injection device

#197
20160243318
2016-08-25

Smart module for injection devices

#198
20160206807
2016-07-21

Tamper evident closure container

#199
20160193412
2016-07-07

Drug delivery device

#200
20160193408
2016-07-07

Use activated emergency alert for a medical device

#201
20160184533
2016-06-30

MECHANISM FOR A DRUG DELIVERY DEVICE

#202
20160166778
2016-06-16

Fluid flow control device with retractable cannula

#203
20160158454
2016-06-09

Drug delivery device

#204
20160151587
2016-06-02

Reuse prevention mechanism

#205
20160121055
2016-05-05

Disposable safety self-destruction insulin needle

#206
20160106933
2016-04-21

SELF-DESTRUCTIVE TYPE SAFE MEDICAL NEEDLE

#207
20160095988
2016-04-07

Plug for placing on a connection element of a medical syringe

#208
20160089503
2016-03-31

Palm activated drug delivery device

#209
20160082189
2016-03-24

Wearable automatic injection device for controlled delivery of therapeutic agents

#210
20160058955
2016-03-03

Palm activated drug delivery device

#211
20160030677
2016-02-04

Injection system

#212
20160015910
2016-01-21

Pharmaceutical injection device and storage case therefor

#213
20160008555
2016-01-14

Pen needle tip and method of making and using the same

#214
20150374918
2015-12-31

Selectable single dose auto-injector and methods of making and using same

#215
20150352333
2015-12-10

CLOSED PERIPHERAL INTRAVENOUS CATHETER WITH SAFETY SYSTEM CPIVCSS

#216
20150314082
2015-11-05

Dispense interface with lockout element

#217
20150314079
2015-11-05

NEEDLE BASE RETRACTABLE-TYPE SAFE SELF-LOCKING-TYPE SELF-DESTRUCTING SYRINGE

#218
20150258283
2015-09-17

Liquid administration device

#219
20150258282
2015-09-17

Liquid administration tool

#220
20150231333
2015-08-20

Prefilled syringe with breakaway force feature

#221
20150165123
2015-06-18

Single use injector

#222
20150157807
2015-06-11

Active safety pen needle assembly

#223
20150151056
2015-06-04

Safety syringe

#224
20150148743
2015-05-28

Disposable syringe and push rod for the same

#225
20150141936
2015-05-21

Retractable syringe with improved delivery efficiency and locking system

#226
20150133870
2015-05-14

SAFETY SYRINGE

#227
20150133859
2015-05-14

Limiting life time of dispense assembly

#228
20150112262
2015-04-23

Autoinjection devices

#229
20150094659
2015-04-02

PEN NEEDLE WITH SAFETY SHIELD SYSTEM

#230
20150051580
2015-02-19

Selectable single dose auto-injector and methods of making and using same

#231
20150051578
2015-02-19

Prefilled safety pen needle

#232
20150051544
2015-02-19

Drive mechanism for a drug injection device comprising adhesive to block drive at end of device life to prevent reuse

#233
20150045730
2015-02-12

PNEUMATIC RETRACTABLE SELF-DESTRUCTING INJECTION DEVICE

#234
20150045729
2015-02-12

Autoinjector apparatus

#235
20150038942
2015-02-05

Syringe assembly and a needle unit for attachment to a syringe unit to form a syringe assembly

#236
20140371542
2014-12-18

Method for pain-reducing skin puncture

#237
20140364804
2014-12-11

Tamper evident lock IV needle cap

#238
20140358078
2014-12-04

CLOSURE, IN PARTICULAR A SYRINGE CLOSURE FOR CLOSING A DISTAL OPENING OF A SYRINGE BODY IN A SEALING MANNER

#239
20140303555
2014-10-09

Dispense interface with lockout element

#240
20140296795
2014-10-02

Needle with protective cover member

#241
20140228753
2014-08-14

SPRING AUTO-DISABLE SYRINGE

#242
20140221924
2014-08-07

NEEDLE SAFETY DEVICE

#243
20140221923
2014-08-07

Self-destructing syringe with high level of safety and convenient assembly

#244
20140213972
2014-07-31

Retractable needle safety syringes

#245
20140207099
2014-07-24

Device, system and method for facilitating syringe based drug delivery and management thereof

#246
20140200514
2014-07-17

SINGLE-USE NEEDLE ASSEMBLY AND STORAGE DEVICE

#247
20140182598
2014-07-03

Auto-Destruct, Pre-Loaded Syringe

#248
20140180208
2014-06-26

SAFE NEEDLE DEVICE FOR SYRINGES

#249
20140172048
2014-06-19

Implantable cardiac devices and methods

#250
20140171866
2014-06-19

Safety syringe

#251
20140134443
2014-05-15

Color changeable dyes for indicating exposure, methods of making and using such dyes and apparatuses incorporating such dyes

#252
20140114274
2014-04-24

Pre-filled active vial having integral plunger assembly

#253
20140107607
2014-04-17

Infusion pump system and methods

#254
20140081239
2014-03-20

Injection device

#255
20140081212
2014-03-20

Lock out member with different cross sections

#256
20140074023
2014-03-13

MULTI-CHAMBER FLUID DELIVERY DEVICE AND METHODS

#257
20140054295
2014-02-27

Joining technology of a dispense interface

#258
20140052102
2014-02-20

Reuse Protection for Disposable Parts

#259
20140052059
2014-02-20

Syringe for mixing and dispensing adipose tissue

#260
20140049041
2014-02-20

Dispense interface with lockout element

#261
20140046267
2014-02-13

Z-shaped fluid channel arrangement

#262
20140046256
2014-02-13

Needle assembly reuse prevention mechanism

#263
20140042741
2014-02-13

DISPENSE INTERFACE WITH LOCKOUT ELEMENT

#264
20140039404
2014-02-06

Medicated module for a drug delivery device

#265
20140039390
2014-02-06

Lockout element for dispense interface

#266
20140024878
2014-01-23

Hypodermic needle containment system

#267
20140024877
2014-01-23

Hypodermic needle containment system

#268
20140024876
2014-01-23

Hypodermic needle containment system

#269
20140005603
2014-01-02

Dispense interface for use with a drug delivery device for delivery of two or more drug agents

#270
20130338585
2013-12-19

Drug delivery device with tamper-evident closure means

#271
20130331797
2013-12-12

Methods and apparatus for syringe adapter

#272
20130331785
2013-12-12

Autoinjector with means for preventing reuse and disconnection of said first and second body portions after operation

#273
20130310739
2013-11-21

Method for administering a fluid active substance from a multi-chamber ampoule

#274
20130281962
2013-10-24

Tamper-evident indicator for a drug reservoir

#275
20130281938
2013-10-24

Front end for an auto-injector

#276
20130274662
2013-10-17

Auto-injector

#277
20130274661
2013-10-17

DRUG DELIVERY DEVICE WITH HOUSING COMPRISING FRANGIBLE ZONE

#278
20130267932
2013-10-10

Needle assembly for the delivery of at least two medicaments

#279
20130261555
2013-10-03

Drug delivery device with housing comprising frangible zone

#280
20130261552
2013-10-03

DRUG DELIVERY DEVICE WITH HOUSING COMPRISING FRANGIBLE ZONE

#281
20130261551
2013-10-03

Fluid Flow Control Device with Retractable Cannula

#282
20130231614
2013-09-05

Dedicated needle assembly

#283
20130226143
2013-08-29

Medicated module having a collapsible feature

#284
20130226086
2013-08-29

Medicated module with interlock

#285
20130218121
2013-08-22

Medication access device for prevention of medication reservoir contamination

#286
20130204229
2013-08-08

Palm activated drug delivery device

#287
20130150785
2013-06-13

Color changeable dyes for indicating exposure, methods of making and using such dyes, and apparatuses incorporating such dyes

#288
20130110045
2013-05-02

SINGLE USE INTRAVENOUS THERAPY ADMINISTERING DEVICE WITH NEEDLE SAFETY COVERS

#289
20130110044
2013-05-02

Syringe with disabling mechanism

#290
20130102973
2013-04-25

Syringe barrel adapter and needle assembly

#291
20130079716
2013-03-28

Retractable syringe with improved delivery efficiency and locking system

#292
20130079715
2013-03-28

SINGLE USE SYRINGE WITH LOCKING NEEDLE SAFETY COVER

#293
20130018311
2013-01-17

Fluid delivery device and methods

#294
20120296278
2012-11-22

Pen needle tip

#295
20120245515
2012-09-27

System and methods for medicament infusion

#296
20120226233
2012-09-06

Pen needle with safety shield system

#297
20120226232
2012-09-06

Fluid flow control device with retractable cannula

#298
20120220949
2012-08-30

Medicated module with integral flow distribution system

#299
20120190969
2012-07-26

Implantable medical device with external access for recharging and data communication

#300
20120172810
2012-07-05

Safety needle assembly