최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0064272 (2016-03-08) |
등록번호 | US-10166332 (2019-01-01) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 330 |
The present disclosure relates to an apparatus for delivering a quantity of fluid to bone marrow. The apparatus may include a drive housing, a plunger operating assembly, a retractable sleeve, a first spring, a second spring, and a release mechanism. The drive housing may include a first portion con
The present disclosure relates to an apparatus for delivering a quantity of fluid to bone marrow. The apparatus may include a drive housing, a plunger operating assembly, a retractable sleeve, a first spring, a second spring, and a release mechanism. The drive housing may include a first portion configured to engage a driver assembly and a second portion configured to engage a cartridge assembly. The cartridge assembly may a fluid reservoir and a plunger assembly slidably disposed in the fluid reservoir. The cartridge assembly may be engaged with a bone penetrating needle and configured to rotate to insert the bone penetrating needle into the bone marrow. The first release mechanism may release the second spring to move the plunger operating assembly when the cartridge assembly is rotated to insert the bone penetrating needle into the bone marrow and the retractable sleeve is moved to a retracted position.
1. An apparatus for delivering a quantity of fluid to bone marrow comprising: a drive housing comprising a first portion configured to engage a driver assembly and a second portion configured to engage a cartridge assembly, the drive housing configured to receive a rotational force from the driver a
1. An apparatus for delivering a quantity of fluid to bone marrow comprising: a drive housing comprising a first portion configured to engage a driver assembly and a second portion configured to engage a cartridge assembly, the drive housing configured to receive a rotational force from the driver assembly and to transmit the rotational force to the cartridge assembly, the cartridge assembly comprising a fluid reservoir and a plunger assembly slidably disposed in the fluid reservoir, the cartridge assembly engaged with a bone penetrating needle and configured to rotate to insert the bone penetrating needle into the bone marrow;a plunger operating assembly configured to receive a portion of the plunger assembly of the cartridge assembly;a retractable sleeve configured to displace longitudinally relative to the drive housing and the plunger operating assembly, the retractable sleeve configured to move from a first position to a second position;a first spring configured to bias the retractable sleeve in the first position;a second spring configured to move the plunger operating assembly such that the plunger operating assembly moves the plunger assembly of the cartridge assembly to deliver the quantity of fluid to the bone marrow;a first release mechanism configured to release the second spring to move the plunger operating assembly; anda second release mechanism configured to release the engagement between the second portion of the drive housing and the cartridge assembly when the quantity of fluid is delivered to the bone marrow,wherein the first release mechanism releases the second spring to move the plunger operating assembly when the cartridge assembly is rotated to insert the bone penetrating needle into the bone marrow and the retractable sleeve is moved to its second position. 2. The apparatus of claim 1, where the first release mechanism comprises a pawl latch, the pawl latch configured to move from a first position to a second position that releases the second spring to move the plunger operating assembly, wherein the retractable sleeve comprises a ramp formed on an inner surface of the retractable sleeve, the ramp configured to move the pawl latch from its first position to its second position when the cartridge assembly is rotated to insert the bone penetrating needle into the bone marrow and the retractable sleeve is moved to its second position. 3. The apparatus of claim 2, further comprising a third spring configured to bias the pawl latch in its first position. 4. The apparatus of claim 1, wherein the second release mechanism comprises one or more balls configured to displace radially between a first position and a second position, the one or more balls configured to maintain the engagement between the second portion of the drive housing and the cartridge assembly when the one or more balls are in the first position,the one or more balls configured to release the engagement between the second portion of the drive housing and the cartridge assembly when the one or more balls are in the second position. 5. The apparatus of claim 4, wherein the retractable sleeve comprises one or more recesses formed on an inner surface of the retractable sleeve, each recess configured to receive a ball of the one or more balls to allow the ball to displace radially from the first position to the second position. 6. The apparatus of claim 4, wherein the second release mechanism further comprises one or more latch components configured to displace from a first position and a second position, wherein the one or more latch components cooperate with the one or more balls to maintain the engagement between the second portion of the drive housing and the cartridge assembly when the one or more latch components and the one or more balls are in their first positions,wherein the one or more latch components cooperate with the one or more balls to release the engagement between the second portion of the drive housing and the cartridge assembly when the one or more latch components and the one or more balls are in their second positions. 7. The apparatus of claim 6, wherein the plunger assembly of the cartridge assembly comprises one or more recesses formed on an outer surface of the plunger assembly, each recess configured to receive a ball of the one or more balls to allow the ball to displace radially from the first position to the second position. 8. The apparatus of claim 1, wherein the driver assembly comprises a motor and a drive shaft coupled to and extending from the motor, wherein the first portion of the drive housing comprising an opening configured to receive a portion of the drive shaft. 9. An apparatus for delivering a quantity of fluid to bone marrow comprising: a housing;a motor disposed in the housing;a drive shaft coupled to and extending from the motor;a drive housing comprising a first portion configured to engage the drive shaft and a second portion configured to engage a cartridge assembly, the drive housing configured to receive a rotational force from the drive shaft and to transmit the rotational force to the cartridge assembly, the cartridge assembly comprising a fluid reservoir and a plunger assembly slidably disposed in the fluid reservoir, the cartridge assembly engaged with a bone penetrating needle and configured to rotate to insert the bone penetrating needle into the bone marrow;a plunger operating assembly configured to receive a portion of the plunger assembly of the cartridge assembly;a retractable sleeve configured to displace longitudinally relative to the drive housing and the plunger operating assembly, the retractable sleeve configured to move from a first position to a second position;a first spring configured to bias the retractable sleeve in the first position;a second spring configured to move the plunger operating assembly such that the plunger operating assembly moves the plunger assembly of the cartridge assembly to deliver the quantity of fluid to the bone marrow;a first release mechanism configured to release the second spring to move the plunger operating assembly; anda second release mechanism configured to release the engagement between the second portion of the drive housing and the cartridge assembly when the quantity of fluid is delivered to the bone marrow,wherein the first release mechanism releases the second spring to move the plunger operating assembly when the cartridge assembly is rotated to insert the bone penetrating needle into the bone marrow and the retractable sleeve is moved to its second position. 10. The apparatus of claim 9, wherein the drive housing, the first spring, and the second spring are disposed in portions of the housing, wherein a portion of the retractable sleeve extends from an opening in the housing. 11. The apparatus of claim 10, wherein the housing comprises a handle, wherein the handle comprises a trigger,wherein the trigger is configured to activate the motor to rotate the drive shaft. 12. The apparatus of claim 9, where the first release mechanism comprises a pawl latch, the pawl latch configured to move from a first position to a second position that releases the second spring to move the plunger operating assembly, wherein the retractable sleeve comprises a ramp formed on an inner surface of the retractable sleeve, the ramp configured to move the pawl latch from its first position to its second position when the cartridge assembly is rotated to insert the bone penetrating needle into the bone marrow and the retractable sleeve is moved to its second position. 13. The apparatus of claim 12, further comprising a third spring configured to bias the pawl latch in its first position. 14. The apparatus of claim 12, wherein the retractable sleeve comprises a reduced diameter portion and an enlarged diameter portion with a shoulder portion formed between the reduced diameter portion and the enlarged diameter portion, wherein the ramp is formed on an inner surface of the enlarged diameter portion proximate to the shoulder portion. 15. The apparatus of claim 9, wherein the second release mechanism comprises one or more balls configured to displace radially between a first position and a second position, the one or more balls configured to maintain the engagement between the second portion of the drive housing and the cartridge assembly when the one or more balls are in the first position,the one or more balls configured to release the engagement between the second portion of the drive housing and the cartridge assembly when the one or more balls are in the second position. 16. The apparatus of claim 15, wherein the retractable sleeve comprises one or more recesses formed on an inner surface of the retractable sleeve, each recess configured to receive a ball of the one or more balls to allow the ball to displace radially from the first position to the second position. 17. The apparatus of claim 9, wherein the portion of the retractable sleeve that extends from the opening in the housing comprises a window. 18. The apparatus of claim 9, wherein at least the portion of the retractable sleeve that extends from the opening in the housing is formed of a transparent material. 19. An apparatus for delivering a quantity of fluid to bone marrow comprising: a drive housing comprising a first portion configured to engage a driver assembly and a second portion configured to engage a cartridge assembly, the drive housing configured to receive a rotational force from the driver assembly and to transmit the rotational force to the cartridge assembly, the cartridge assembly comprising a fluid reservoir and a plunger assembly slidably disposed in the fluid reservoir, the cartridge assembly engaged with a bone penetrating needle and configured to rotate to insert the bone penetrating needle into the bone marrow;a plunger operating assembly configured to receive a portion of the plunger assembly of the cartridge assembly, the plunger operating assembly further configured to move when the cartridge assembly is rotated to insert the bone penetrating needle into the bone marrow;a first release mechanism configured to permit the plunger operating assembly to move from a retracted position to a released position;a second release mechanism configured to release the engagement between the second portion of the drive housing and the cartridge assembly when the quantity of fluid is delivered to the bone marrow; anda spring loaded retractable sleeve configured to displace longitudinally relative to the drive housing and the plunger operating assembly, the retractable sleeve configured to move from an extended position to a retracted position;wherein the plunger operating assembly is configured to move the plunger assembly of the cartridge assembly to deliver the quantity of fluid to the bone marrow when the plunger operating assembly is moved to the released position and the retractable sleeve is moved to the retracted position. 20. The apparatus of claim 19, wherein the second release mechanism is further configured to maintain a positive engagement between the drive housing and the cartridge assembly until after the plunger assembly of the cartridge assembly has moved from a first position to a second position such that the quantity of fluid contained in the cartridge assembly is injected at a target site before disengagement of the cartridge assembly from the drive housing.
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