A kind of hourglass shape laparoscopic cannula and using method of and cut sealing matched with devices
Technical field
The present invention relates to medical instruments field, especially a kind of hourglass shape laparoscopic cannula and using method of and cut sealing matched with devices.
Background technology
At present, in laparoscopic procedure process, doctor often need to do at stomach wall the auxiliary incision of 3-5cm size, and to complete, specimen is taken out or digestive tract is sewed up the operations such as reconstruction, after completing these operations, often need to close interim otch, rebuild pneumoperitoneum continuation operation.We have designed sealing device that can Temporarily Closed stomach wall auxiliary incision for this reason, traditional abdominal cavity access to plant (laparoscope puncture casing) is owing to designing for entering abdominal cavity through stomach wall, if traditional abdominal cavity access to plant and stomach wall auxiliary incision sealing device are supported the use, cannot realize the effectively fixing of sleeve pipe and sealing device, and can not guarantee abundant sealing.
Application number is that the patent document of 201029180048.X has been announced a kind of Novel laparoscope puncture casing, simple in structure, easy to operate, but can not support the use with stomach wall auxiliary incision sealing device, cannot realize the fixing and sealing of sleeve pipe and sealing device.
For this reason, now invent a kind of and hourglass shape laparoscopic cannula and using method cut sealing matched with devices, be used for being used in conjunction with peritoneoscope auxiliary incision sealing device, make doctor more convenient to operate in operation process, improve operation efficiency, alleviated the labor intensity of surgical doctor.
Summary of the invention
The object of the invention is in order to overcome deficiency of the prior art, a kind of and hourglass shape laparoscopic cannula and using method cut sealing matched with devices are provided, sealing effectiveness is desirable, make doctor more convenient to operate in operation process, improved operation efficiency, alleviate the labor intensity of surgical doctor, reduced patient suffering.
The present invention to achieve these goals, adopts following technical scheme: a kind of hourglass shape laparoscopic cannula and using method of and cut sealing matched with devices are by casing cover, cover neck, sealing is emitted, spring assembly, adjusting rod, the first diaphragm seal, the second diaphragm seal, screw thread, hourglass shape pipeline upper body, hourglass shape pipeline lower body, rubber seal ring, connecting platform, base plate, inner tube, peritoneoscope auxiliary incision sealing device, iris forms; Casing cover top arranges cover neck, sleeve pipe neck tube mouth arranges sealing and emits, and casing cover one side arranges spring seal unit, and the inwall of casing cover arranges screw thread, on the outer wall of above and below, hourglass shape pipeline upper body, screw thread is respectively set, casing cover and corresponding being spirally connected in hourglass shape pipeline upper body; Between hourglass shape pipeline upper body and hourglass shape pipeline lower body, rubber seal ring is set, hourglass shape pipeline lower body upper inner wall arranges connecting platform, the middle part of connecting platform is tubular conduit, tubular conduit inwall arranges screw thread, connecting platform below one side arranges spring assembly, the corresponding tubulose channel setting of spring assembly one side the second diaphragm seal, hourglass shape pipeline upper body and corresponding being spirally connected of hourglass shape pipeline lower body, rubber seal ring is fixed in the waist of the hourglass shape pipeline after connection; Hourglass shape pipeline lower body below arranges base plate, and base plate center arranges circular hole, and the corresponding circular hole of base plate one side arranges inner tube.
Described spring seal unit is divided into spring nature sealing device and adjustable springs sealing device; Spring nature sealing device is, in casing cover, spring assembly is set, and the corresponding spring assembly in cover neck below arranges the first diaphragm seal; Adjustable springs sealing device, on the basis of spring nature sealing device, arranges adjusting rod in casing cover one side, and adjusting rod one end is by the preformed hole setting corresponding to spring assembly of casing cover.
Each assembling parts of hourglass shape laparoscopic cannula completes, peritoneoscope auxiliary incision sealing device is arranged on otch, the waist of the hourglass shape laparoscopic cannula assembling is positioned over the interior elastic membrane middle part of peritoneoscope auxiliary incision sealing device, after the rubber seal ring of opposite spin double-layer elastic film and hourglass shape laparoscopic cannula waist is strained and fixed each other, laparoscopic instrument advances rashly into cover neck through sealing, the first diaphragm seal by spring seal unit enters hourglass shape pipeline upper body downwards, and the second diaphragm seal, the inner tube by hourglass shape pipeline lower body enters abdominal cavity otch downwards.
Laparoscopic instrument advances rashly into cover neck through sealing, sealing is emitted laparoscopic instrument is adjacent to sealing, the first diaphragm seal that laparoscopic instrument backs down spring nature sealing device downwards enters hourglass shape pipeline upper body, continue to back down the second diaphragm seal downwards and enter hourglass shape pipeline lower body, laparoscopic instrument enters abdominal cavity otch by inner tube downwards.
After having worked, laparoscopic instrument exits abdominal cavity otch, An Yuan exits on road, the second diaphragm seal and the first diaphragm seal be the cover neck routing restoration sealing state to the tubular conduit of connecting platform, casing cover under the natural elasticity effect of two spring assemblies, the seal cavity that the guarantees abdominal cavity otch sealing that is hedged off from the outer world; Regulate peritoneoscope auxiliary incision sealing device to remove the sealing to otch, double-layer elastic film automatically reverts to naturalness under elastic force effect, takes out hourglass shape laparoscopic cannula.
The adjusting rod of adjustable springs sealing device is controlled opening and closure of the first diaphragm seal by spring assembly, adjusting rod is applied to active force downwards, one end of adjusting rod is delivered to spring assembly by power, spring assembly is stressed to be opened the first diaphragm seal along arching trajectory direction, make laparoscopic instrument by and avoid contacting with the first diaphragm seal; After laparoscopic instrument exits, adjusting rod is discharged to external force, the first diaphragm seal is sealed the cover neck routing restoration of casing cover by the natural elasticity of spring assembly.
Sealing on cover neck is emitted to realize and is sealed entering the laparoscopic instrument of laparoscopic cannula different-diameter.
The second diaphragm seal, base plate, inner tube are dismantled or are installed according to action need.
Cover neck passage below arranges the first diaphragm seal or iris, and connecting platform tubular conduit below arranges the second diaphragm seal or iris; When laparoscopic instrument passes through iris, iris is stressed to be opened automatically, laparoscopic instrument and passage is sealed simultaneously; After having operated, take out laparoscopic instrument, iris is automatically by channel seal.
Beneficial effect: when the present invention and peritoneoscope auxiliary incision sealing device are used in conjunction with, hourglass shape peritoneoscope pipeline is strained and fixed by the double-layer elastic film of peritoneoscope auxiliary incision sealing device, sealing effectiveness is desirable, celioscope operating apparatus is entered to hourglass shape laparoscopic cannula and continued operation, make doctor more convenient to operate in operation process, improved operation efficiency, alleviated the labor intensity of surgical doctor, reduce patient suffering, for each patient has saved huge medical expense.
Unique hourglass shape design, fixedly secures the double-layer elastic film of peritoneoscope auxiliary incision sealing device and hourglass shape laparoscopic cannula, and the waist of hourglass shape laparoscopic cannula designs the realization of better fitting of unique rubber seal ring and elastic membrane and seals.
Double density mounting is realized the excellent sealing of hourglass shape laparoscopic cannula, sealing dual fail-safe in realizing.
Casing cover and base plate, detachable with the main body of hourglass shape laparoscopic cannula, realize the scalable of the inner structure length in this device abdominal cavity, while facilitating the low and inner narrow space in abdominal cavity of pneumoperitoneum pressure, operate.
Adjusting rod is installed on casing cover and can be controlled opening and closure of diaphragm seal, when can play fixation to the laparoscopic instrument entering, protected again the surface of expensive laparoscopic instrument not to be scratched.
Cover neck passage below arranges the first diaphragm seal or iris, and connecting platform tubular conduit below arranges the second diaphragm seal or iris; The setting corresponding to spring assembly of the first diaphragm seal and the second diaphragm seal, when cover neck passage below arranges iris with connecting platform tubular conduit below, laparoscopic instrument is by iris, and iris is stressed to be opened automatically, laparoscopic instrument and passage is sealed simultaneously; After having operated, take out laparoscopic instrument, iris is automatically by channel seal.
Simple in structure, manufacture easily, easy to use, economic and practical, handling safety, is convenient to promote, and volume is little, is easy to carry and transports; Can realize not damaged and close interim otch, time saving and energy saving, sealing effectiveness is desirable, and good operation effect, alleviates patient suffering, reduces patient treatment expense, makes patient's rehabilitation as early as possible, can promote the use of.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is, general assembly structural representation;
Fig. 2 is, package assembly schematic diagram;
Fig. 3 is to be used in conjunction with structural representation with cut sealing device;
Fig. 4 is, with the casing cover structural representation of adjusting rod;
Fig. 5 is, iris structure schematic diagram;
In Fig. 1,2,3,4,5:casing cover 1,cover neck 2, sealingemits 3,spring assembly 4, adjusting rod 4-2, thefirst diaphragm seal 5, the second diaphragm seal 5-1,screw thread 6, hourglass shape pipelineupper body 7, hourglass shape pipelinelower body 8,rubber seal ring 9, connectingplatform 10,base plate 11,inner tube 12, peritoneoscope auxiliaryincision sealing device 13,iris 14.
The specific embodiment
Below in conjunction with embodiment and the specific embodiment, the present invention is described in further detail:
Embodiment 1
Casing cover 1 top arrangescover neck 2,cover neck 2 mouths of pipe arrange sealing andemit 3, andcasing cover 1 one sides arrange spring seal unit, and the inwall ofcasing cover 1 arrangesscrew thread 6, on the outer wall of 7 above and belows, hourglass shape pipeline upper body,screw thread 6 is respectively set,casing cover 1 and hourglass shape pipelineupper body 7 corresponding being spirally connected; Between hourglass shape pipelineupper body 7 and hourglass shape pipelinelower body 8,rubber seal ring 9 is set, hourglass shape pipelinelower body 8 upper inner wallarrange connecting platform 10, the middle part of connectingplatform 10 is tubular conduit, tubular conduit inwall arrangesscrew thread 6, connectingplatform 10 below one sides arrangespring assembly 4, the corresponding tubulose channel setting ofspring assembly 4 one sides the second diaphragm seal 5-1, hourglass shape pipelineupper body 7 and hourglass shape pipelinelower body 8 corresponding being spirally connected,rubber seal ring 9 is fixed in the waist of the hourglass shape pipeline after connection; Hourglass shape pipelinelower body 8 belows arrangebase plate 11, andbase plate 11 centers arrange circular hole, and the corresponding circular hole ofbase plate 11 1 sides arrangesinner tube 12.
Embodiment 2
Described spring seal unit is divided into spring nature sealing device and adjustable springs sealing device; Spring nature sealing device is theinterior spring assembly 4 that arranges ofcasing cover 1, and thecorresponding spring assembly 4 incover neck 2 belows arranges thefirst diaphragm seal 5; Adjustable springs sealing device, on the basis of spring nature sealing device, arranges adjusting rod 4-2 incasing cover 1 one sides, and adjusting rod 4-2 one end is by the preformed hole setting corresponding tospring assembly 4 ofcasing cover 1.
Embodiment 3
Each assembling parts of hourglass shape laparoscopic cannula completes, peritoneoscope auxiliaryincision sealing device 13 is arranged on otch, the waist of the hourglass shape laparoscopic cannula assembling is positioned over the interior elastic membrane middle part of peritoneoscope auxiliaryincision sealing device 13, after therubber seal ring 9 of opposite spin double-layer elastic film and hourglass shape laparoscopic cannula waist is strained and fixed each other, laparoscopic instrument emits 3 to entercover neck 2 through sealing, thefirst diaphragm seal 5 by spring seal unit enters hourglass shape pipelineupper body 7 downwards, downwards by the second diaphragm seal 5-1 of hourglass shape pipelinelower body 8,inner tube 12 enters abdominal cavity otch.
Embodiment 4
Laparoscopic instrument emits 3 to entercover neck 2 through sealing, sealingemits 3 pairs of laparoscopic instruments to be adjacent to sealing, thefirst diaphragm seal 5 that laparoscopic instrument backs down spring nature sealing device downwards enters hourglass shape pipelineupper body 7, continue to back down the second diaphragm seal 5-1 downwards and enter hourglass shape pipelinelower body 8, laparoscopic instrument enters abdominal cavity otch byinner tube 12 downwards.
Embodiment 5
After having worked, laparoscopic instrument exits abdominal cavity otch, An Yuan exits on road, the second diaphragm seal 5-1 and thefirst diaphragm seal 5 be thecover neck 2 routing restoration sealing states to the tubular conduit of connectingplatform 10,casing cover 1 under the natural elasticity effect of twospring assemblies 4, the seal cavity that the guarantees abdominal cavity otch sealing that is hedged off from the outer world; The sealing that regulates peritoneoscope auxiliaryincision sealing device 13 to remove otch, double-layer elastic film automatically reverts to naturalness under elastic force effect, takes out hourglass shape laparoscopic cannula.
Embodiment 6
The adjusting rod 4-2 of adjustable springs sealing device controls opening and closure of thefirst diaphragm seal 5 byspring assembly 4, adjusting rod 4-2 is applied to active force downwards, one end of adjusting rod 4-2 is delivered tospring assembly 4 by power,spring assembly 4 is stressed to be opened thefirst diaphragm seal 5 along arching trajectory direction, make laparoscopic instrument by and avoid contacting with thefirst diaphragm seal 5; After laparoscopic instrument exits, adjusting rod 4-2 is discharged to external force, thefirst diaphragm seal 5 is sealedcover neck 2 routing restorations ofcasing cover 1 by the natural elasticity ofspring assembly 4.
Embodiment 7
The sealing of cover onneck 2emits 3 can realize and sealing entering the laparoscopic instrument of laparoscopic cannula different-diameter.
Embodiment 8
The second diaphragm seal 5-1,base plate 11,inner tube 12 are dismantled or are installed according to action need.
Embodiment 9
Cover neck 2 passage belows arrange thefirst diaphragm seal 5 oriris 14, and connectingplatform 10 tubular conduit belows arrange the second diaphragm seal 5-1 oriris 14; When laparoscopic instrument passes throughiris 14,iris 14 is stressed to be opened automatically, laparoscopic instrument and passage is sealed simultaneously; After having operated, take out laparoscopic instrument,iris 14 is automatically by channel seal.