A kind of hourglass shape laparoscopic cannula with cut sealing matched with devices and using methodTechnical field
The present invention relates to medical instruments field, especially a kind of hourglass shape laparoscopic cannula with cut sealing matched with devices and using method.
Background technology
At present, in laparoscopic procedure, doctor often needs the auxiliary incision doing 3-5cm size at stomach wall, to complete the operation such as specimen taking-up or digestive tract stitching reconstruction, after completing these operations, often needs to close interim otch, reconstruction pneumoperitoneum continues to operate.For this reason we devise can the sealing device of Temporarily Closed stomach wall auxiliary incision, 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, then cannot realize the effectively fixing of sleeve pipe and sealing device, and abundant sealing can not be ensured.
Application number is that the patent document of 201029180048.X discloses a kind of Novel laparoscope puncture casing, and structure is simple, 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 hourglass shape laparoscopic cannula with cut sealing matched with devices and using method, be used for peritoneoscope auxiliary incision sealing device with the use of, make doctor more convenient to operate in operation process, improve procedure efficiency, alleviate the labor intensity of surgical doctor.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of hourglass shape laparoscopic cannula with cut sealing matched with devices and using method are provided, sealing effectiveness is desirable, make doctor more convenient to operate in operation process, improve procedure efficiency, alleviate the labor intensity of surgical doctor, reduce patient suffering.
The present invention to achieve these goals, adopts following technical scheme: a kind of hourglass shape laparoscopic cannula with cut sealing matched with devices and using method, is 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, interior pipe, peritoneoscope auxiliary incision sealing device, iris is formed; Cover neck is set above casing cover, sleeve pipe neck tube mouth arranges sealing and emits, and casing cover side arranges spring seal unit, and the inwall of casing cover arranges screw thread, outer wall above and below hourglass shape pipeline upper body respectively arranges screw thread, and casing cover is corresponding with hourglass shape pipeline upper body to be spirally connected; 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, below connecting platform, side arranges spring assembly, spring assembly side corresponding tubulose channel setting second diaphragm seal, hourglass shape pipeline upper body is corresponding with hourglass shape pipeline lower body to be spirally connected, and rubber seal ring is fixed in the waist of the hourglass shape pipeline after connection; Arrange base plate below hourglass shape pipeline lower body, base plate center arranges circular hole, and the corresponding circular hole in base plate side arranges interior pipe.
Described spring seal unit is divided into spring nature sealing device and adjustable springs sealing device; Spring nature sealing device is arrange spring assembly in casing cover, and below cover neck, corresponding spring assembly arranges the first diaphragm seal; Adjustable springs sealing device, on the basis of spring nature sealing device, arranges adjusting rod in casing cover side, and adjusting rod one end is arranged by the preformed hole of casing cover is corresponding with spring assembly.
The 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 assembled is positioned in the middle part of the interior elastic membrane of peritoneoscope auxiliary incision sealing device, after the rubber seal ring of rotary double-layer elastic membrane and hourglass shape laparoscopic cannula waist is strained and fixed in the other direction each other, laparoscopic instrument advances rashly into cover neck through sealing, the first diaphragm seal passing downwardly through spring seal unit enters hourglass shape pipeline upper body, and the second diaphragm seal, the interior pipe that pass downwardly through hourglass shape pipeline lower body enter abdominal incisions.
Laparoscopic instrument advances rashly into cover neck through sealing, sealing is emitted and is adjacent to sealing to laparoscopic instrument, 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 passes downwardly through interior pipe and enters abdominal incisions.
After having worked, laparoscopic instrument exits abdominal incisions, exit by former road, second diaphragm seal and the first diaphragm seal to the cover neck routing restoration sealing state of the tubular conduit of connecting platform, casing cover, ensure that the seal cavity of abdominal incisions is hedged off from the outer world sealing under the natural elasticity effect of two spring assemblies; Regulate the sealing of peritoneoscope auxiliary incision sealing device releasing to otch, double-layer elastic film is automatically restored to naturalness under elastic force effect, takes out hourglass shape laparoscopic cannula.
The adjusting rod of adjustable springs sealing device controls opening of the first diaphragm seal by spring assembly and closes, active force is applied to adjusting rod downwards, power is delivered to spring assembly by one end of adjusting rod, spring assembly stressed by the first diaphragm seal arcuately course bearing open, laparoscopic instrument is passed through and avoids contacting with the first diaphragm seal; After laparoscopic instrument exits, to adjusting rod release external force, the cover neck routing restoration of casing cover seals by the natural elasticity of spring assembly by the first diaphragm seal.
Sealing on cover neck emits the laparoscopic instrument that can realize entering laparoscopic cannula different-diameter to seal.
Second diaphragm seal, base plate, interior pipe carry out dismantling or installing according to action need.
Below cover neck passage, the first diaphragm seal or iris are set, the second diaphragm seal or iris are set below connecting platform tubular conduit; When laparoscopic instrument is by iris, iris is stressed to be opened automatically, seals laparoscopic instrument and passage simultaneously; After having operated, take out laparoscopic instrument, iris is automatically by channel seal.
Beneficial effect: the present invention and peritoneoscope auxiliary incision sealing device with the use of time, 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 hourglass shape laparoscopic cannula and continued operation, make doctor more convenient to operate in operation process, improve procedure efficiency, alleviate the labor intensity of surgical doctor, reduce patient suffering, for each patient saves huge medical expense.
Unique hourglass shape design, makes the double-layer elastic film of peritoneoscope auxiliary incision sealing device and hourglass shape laparoscopic cannula fixedly secure, and the rubber seal ring of the waist design uniqueness of hourglass shape laparoscopic cannula and elastic membrane are better fitted and realized sealing.
Double density mounting realizes 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 this device abdominal cavity structure length, facilitate during the low and abdominal cavity narrow space of pneumoperitoneum pressure and operate.
Casing cover is installed adjusting rod and can control opening with closed of diaphragm seal, while can playing fixation to the laparoscopic instrument entered, the surface protecting again expensive laparoscopic instrument is not scratched.
Below cover neck passage, the first diaphragm seal or iris are set, the second diaphragm seal or iris are set below connecting platform tubular conduit; First diaphragm seal and the second diaphragm seal is corresponding with spring assembly arranges, below cover neck passage with connecting platform tubular conduit below iris is set time, laparoscopic instrument is by iris, and iris is stressed to be opened automatically, seals laparoscopic instrument and passage simultaneously; After having operated, take out laparoscopic instrument, iris is automatically by channel seal.
Structure is simple, manufactures easily, easy to use, economic and practical, handling safety, and be convenient to promote, 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, with cut sealing device with the use of structural representation;
Fig. 4 is, the casing cover structural representation of band adjusting rod;
Fig. 5 is, iris structure schematic diagram;
In Fig. 1,2,3,4,5: casing cover 1, cover neck 2, sealing emits 3, spring assembly 4, adjusting rod 4-2, the first diaphragm seal 5, second diaphragm seal 5-1, screw thread 6, hourglass shape pipeline upper body 7, hourglass shape pipeline lower body 8, rubber seal ring 9, connecting platform 10, base plate 11, interior pipe 12, peritoneoscope auxiliary incision sealing device 13, iris 14.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, the present invention is described in further detail:
Embodiment 1
Cover neck 2 is set above casing cover 1, cover neck 2 mouth of pipe arranges sealing and emits 3, and casing cover 1 side arranges spring seal unit, and the inwall of casing cover 1 arranges screw thread 6, outer wall above and below hourglass shape pipeline upper body 7 respectively arranges screw thread 6, and casing cover 1 is corresponding with hourglass shape pipeline upper body 7 to be spirally connected; Between hourglass shape pipeline upper body 7 and hourglass shape pipeline lower body 8, rubber seal ring 9 is set, hourglass shape pipeline lower body 8 upper inner wall arranges connecting platform 10, the middle part of connecting platform 10 is tubular conduit, tubular conduit inwall arranges screw thread 6, below connecting platform 10, side arranges spring assembly 4, spring assembly 4 side corresponding tubulose channel setting second diaphragm seal 5-1, hourglass shape pipeline upper body 7 is corresponding with hourglass shape pipeline lower body 8 to be spirally connected, and rubber seal ring 9 is fixed in the waist of the hourglass shape pipeline after connection; Arrange base plate 11 below hourglass shape pipeline lower body 8, base plate 11 center arranges circular hole, and the corresponding circular hole in base plate 11 side arranges interior pipe 12.
Embodiment 2
Described spring seal unit is divided into spring nature sealing device and adjustable springs sealing device; Spring nature sealing device is arrange spring assembly 4 in casing cover 1, and below cover neck 2, corresponding spring assembly 4 arranges the first diaphragm seal 5; Adjustable springs sealing device, on the basis of spring nature sealing device, arranges adjusting rod 4-2 in casing cover 1 side, and adjusting rod 4-2 one end is arranged by the preformed hole of casing cover 1 is corresponding with spring assembly 4.
Embodiment 3
The each assembling parts of hourglass shape laparoscopic cannula completes, peritoneoscope auxiliary incision sealing device 13 is arranged on otch, the waist of the hourglass shape laparoscopic cannula assembled is positioned in the middle part of the interior elastic membrane of peritoneoscope auxiliary incision sealing device 13, after the rubber seal ring 9 of rotary double-layer elastic membrane and hourglass shape laparoscopic cannula waist is strained and fixed in the other direction each other, laparoscopic instrument emits 3 to enter cover neck 2 through sealing, the first diaphragm seal 5 passing downwardly through spring seal unit enters hourglass shape pipeline upper body 7, pass downwardly through the second diaphragm seal 5-1 of hourglass shape pipeline lower body 8, interior pipe 12 enters abdominal incisions.
Embodiment 4
Laparoscopic instrument emits 3 to enter cover neck 2 through sealing, sealing emits 3 pairs of laparoscopic instruments to be adjacent to sealing, the first diaphragm seal 5 that laparoscopic instrument backs down spring nature sealing device downwards enters hourglass shape pipeline upper body 7, continue to back down the second diaphragm seal 5-1 downwards and enter hourglass shape pipeline lower body 8, laparoscopic instrument passes downwardly through interior pipe 12 and enters abdominal incisions.
Embodiment 5
After having worked, laparoscopic instrument exits abdominal incisions, exit by former road, second diaphragm seal 5-1 and the first diaphragm seal 5 to the cover neck 2 routing restoration sealing state of the tubular conduit of connecting platform 10, casing cover 1, ensure that the seal cavity of abdominal incisions is hedged off from the outer world sealing under the natural elasticity effect of two spring assemblies 4; The sealing to otch removed by adjustment peritoneoscope auxiliary incision sealing device 13, and double-layer elastic film is automatically restored 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 of the first diaphragm seal 5 by spring assembly 4 and closes, active force is applied to adjusting rod 4-2 downwards, power is delivered to spring assembly 4 by one end of adjusting rod 4-2, spring assembly 4 stressed by the first diaphragm seal 5 arcuately course bearing open, laparoscopic instrument is passed through and avoids contacting with the first diaphragm seal 5; After laparoscopic instrument exits, discharge external force to adjusting rod 4-2, cover neck 2 routing restoration of casing cover 1 seals by the natural elasticity of spring assembly 4 by the first diaphragm seal 5.
Embodiment 7
Sealing on cover neck 2 emits 3 laparoscopic instruments that can realize entering laparoscopic cannula different-diameter to seal.
Embodiment 8
Second diaphragm seal 5-1, base plate 11, interior pipe 12 carry out dismantling or installing according to action need.
Embodiment 9
Below cover neck 2 passage, the first diaphragm seal 5 or iris 14 are set, the second diaphragm seal 5-1 or iris 14 are set below connecting platform 10 tubular conduit; When laparoscopic instrument is by iris 14, iris 14 is stressed to be opened automatically, seals laparoscopic instrument and passage simultaneously; After having operated, take out laparoscopic instrument, iris 14 is automatically by channel seal.