Reusable surgical retrieval apparatus with disposable cartridge assembly
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/24
A61B-017/26
A61B-017/221
A61B-017/00
A61B-017/34
출원번호
US-0713075
(2012-12-13)
등록번호
US-9549747
(2017-01-24)
발명자
/ 주소
Carlson, Erik
출원인 / 주소
COVIDIEN LP
인용정보
피인용 횟수 :
0인용 특허 :
116
초록▼
A surgical retrieval apparatus includes a tube assembly, a cartridge assembly, and a plunger assembly. The cartridge assembly is releasably engagable with the tube assembly and includes an end effector assembly disposed therein. The end effector assembly includes a specimen retrieval bag releasably
A surgical retrieval apparatus includes a tube assembly, a cartridge assembly, and a plunger assembly. The cartridge assembly is releasably engagable with the tube assembly and includes an end effector assembly disposed therein. The end effector assembly includes a specimen retrieval bag releasably coupled thereto at a distal end thereof and a first engagement member disposed at a proximal end thereof. The plunger assembly is configured for insertion through the tube assembly and into the cartridge assembly. The plunger assembly includes a second engagement member configured for releasably engaging the first engagement member. When the first and second engagement members are engaged with one another, the plunger assembly is movable between a more proximal position, wherein the end effector assembly and specimen retrieval bag are retracted within the cartridge assembly, and a more distal position, wherein the end effector assembly and specimen retrieval bag are deployed from the cartridge assembly.
대표청구항▼
1. A surgical retrieval apparatus, comprising: a tube having a first lumen extending longitudinally therethrough, the tube defining a first mechanical engagement feature positioned towards a distal end thereof and radially disposed about the first lumen such that the first lumen extends longitudinal
1. A surgical retrieval apparatus, comprising: a tube having a first lumen extending longitudinally therethrough, the tube defining a first mechanical engagement feature positioned towards a distal end thereof and radially disposed about the first lumen such that the first lumen extends longitudinally through the first mechanical engagement feature;a cartridge assembly including a housing having a second lumen and an end effector assembly operably disposed within the second lumen, the housing defining a second mechanical engagement feature positioned towards a proximal end thereof and radially disposed about the second lumen such that the second lumen extends longitudinally through the second mechanical engagement feature, the first and second mechanical engagement features configured to releasably engage each other to directly mechanically engage the housing with the tube, the end effector assembly including a specimen retrieval bag releasably coupled thereto;a plunger configured for insertion through the first lumen of the tube, the first mechanical engagement feature, the second mechanical engagement feature, and at least partially into the second lumen of the housing to releasably engage the end effector assembly within the second lumen of the housing when the housing is engaged with the tube, wherein, when the plunger and the end effector assembly are engaged with one another, the plunger is movable through the first and second lumens and relative to the tube and the housing between a more proximal position, wherein the end effector assembly and specimen retrieval bag are retracted within the second lumen of the housing, and a more distal position, wherein the end effector assembly extends distally from the housing to deploy the specimen retrieval bag; anda lock tab releasably engagable about a portion of the exterior of the housing of the cartridge assembly, the lock tab including a finger configured to extend through a slot defined within the housing and at least partially into the second lumen when the lock tab is engaged about the portion of the exterior of the housing, such that the finger blocks distal movement of the end effector assembly through the second lumen of the housing. 2. The surgical retrieval apparatus according to claim 1, wherein the first and second mechanical engagement features are configured for snap-fit engagement with one another. 3. The surgical retrieval apparatus according to claim 2, wherein an audible feedback signal is produced upon snap-fit engagement of the first and second mechanical engagement features with one another. 4. The surgical retrieval apparatus according to claim 1, wherein the plunger and the end effector assembly are configured for snap-fit engagement with one another. 5. The surgical retrieval apparatus according to claim 4, wherein an audible feedback signal is produced upon snap-fit engagement of the plunger and the end effector assembly with one another. 6. The surgical retrieval apparatus according to claim 1, wherein the plunger is further movable relative to the tube and the housing to an eject position to disengage the first and second mechanical engagement features from one another. 7. The surgical retrieval apparatus according to claim 1, further comprising a cinch cord coupled to an open end of the specimen retrieval bag, the cinch cord selectively tensionable to cinch closed the specimen retrieval bag. 8. The surgical retrieval apparatus according to claim 7, further comprising a cord slot defined within the housing, the cord slot configured to receive the cinch cord therethrough to facilitate closing of the specimen retrieval bag upon tensioning of the cinch cord. 9. The surgical retrieval apparatus according to claim 7, further comprising a pull ring coupled to the cinch cord, the pull ring selectively movable relative to the end effector assembly to cinch closed the specimen retrieval bag. 10. The surgical retrieval apparatus according to claim 9, wherein the pull ring is movable from an initial position, wherein the pull ring is disposed about the housing, to a use position, wherein the pull ring is disposed about the tube. 11. The surgical retrieval apparatus according to claim 10, wherein the pull ring is removable from the use position and is movable proximally therefrom to cinch closed the specimen retrieval bag. 12. The surgical retrieval apparatus according to claim 7, wherein the specimen retrieval bag includes a perforated section adjacent the open end thereof, the specimen retrieval bag configured to tear along the perforated section as the specimen retrieval bag is cinched closed to disengage the specimen retrieval bag from the end effector assembly. 13. The surgical retrieval apparatus according to claim 1, wherein the tube and the plunger are formed as reusable components and wherein the cartridge assembly is formed as a disposable component. 14. A surgical kit, comprising: a reusable tube defining a first mechanical engagement feature positioned towards a distal end thereof, the reusable tube having a first lumen extending longitudinally through the reusable tube and the first mechanical engagement feature;a reusable plunger; anda plurality of disposable cartridge assemblies, each cartridge assembly including: a housing defining a second mechanical engagement feature positioned towards a proximal end thereof, the housing having a second lumen extending longitudinally through the housing and the second mechanical engagement feature, the first mechanical engagement feature of the reusable tube configured to engage the second mechanical engagement feature of the housing to releasably engage the reusable tube with the housing;an end effector assembly operably disposed within the second lumen of the housing, the end effector assembly including a specimen retrieval bag that is deployable from the housing upon movement of the end effector assembly from a retracted position to an extended position, the end effector assembly releasably engagable with the reusable plunger within the second lumen of the housing upon insertion of the reusable plunger through the first lumen of the reusable tube and at least partially into the second lumen of the housing, wherein, with the reusable plunger engaged with the end effector assembly, movement of the reusable plunger between a more proximal position and a more distal position moves the end effector assembly between the retracted position and the extended position; anda lock tab releasably engagable about a portion of the exterior of the housing of the cartridge assembly, the lock tab including a finger configured to extend through a slot defined within the housing and at least partially into the second lumen when the lock tab is engaged about the portion of the exterior of the housing, such that the finger blocks distal movement of the end effector assembly through the second lumen of the housing. 15. The surgical kit according to claim 14, wherein the reusable plunger is further movable from the more distal position to an eject position to disengage the first and second mechanical engagement features from one another. 16. The surgical kit according to claim 14, wherein the reusable tube and the reusable plunger are each formed from stainless steel to facilitate sterilization and reuse of the reusable tube and the reusable plunger. 17. The surgical kit according to claim 14, wherein feedback is provided upon engagement of the first and second mechanical engagement features with one another. 18. The surgical kit according to claim 14, wherein feedback is provided upon engagement of the reusable plunger and the end effector assembly of each of the plurality of disposable cartridge assemblies with one another.
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