CN110464389B - Fetching device for laparoscopic surgery - Google Patents
Fetching device for laparoscopic surgery Download PDFInfo
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- CN110464389B CN110464389B CN201910773668.2A CN201910773668A CN110464389B CN 110464389 B CN110464389 B CN 110464389B CN 201910773668 A CN201910773668 A CN 201910773668A CN 110464389 B CN110464389 B CN 110464389B
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- sleeve
- fetching
- reducing sleeve
- sealing
- bag
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00287—Bags for minimally invasive surgery
Abstract
The invention discloses a fetching device for laparoscopic surgery, which comprises a reducing sleeve, a guide push rod and a fetching assembly, wherein the reducing sleeve is arranged to be of a hollow tubular structure, one end of the reducing sleeve is provided with a sealing cap, the fetching assembly comprises a fetching bag with two open ends and a sealing rope arranged at one end of the fetching bag, one end of the fetching bag provided with the sealing rope is arranged in the reducing sleeve, the other end of the fetching bag is outwards overturned and sleeved on the periphery of the end part of the reducing sleeve provided with the sealing cap and is tightly pressed by the sealing cap, one end of the sealing rope is used for tightening a bag opening of the fetching bag, the other end of the sealing rope extends out of the contact surface of the reducing sleeve and the sealing cap along the outer side of the fetching bag, one end of the guide push rod is arranged in the fetching bag and can push the end of the fetching bag provided. The fetching device can prevent the damage to the anus and the intestine, also can prevent the bacterial pollution of the intestinal contents to the fetching bag, and reduces the operation complications.
Description
Technical Field
The invention relates to the technical field of surgical instruments, in particular to a fetching device for laparoscopic surgery.
Background
The traditional open abdominal operation has larger wound, the laparoscopic operation has small wound and quick recovery, and the wound is widely applied to clinic in recent years, wherein an abdominal wall puncture outfit is used for puncturing the abdominal wall to form a single or a plurality of fine pipelines so that a laparoscope and surgical instruments can enter and exit the abdominal cavity to carry out surgical operation. However, the large tumor excised by the laparoscopic surgery is difficult to take out through a tiny incision on the abdominal wall, and after the intestinal tumor is excised at present, a natural cavity can be utilized, i.e., through the anorectal passageway, and in order to prevent tumor spread, the conventional pouch fetching device is mainly used, but since the sheath orifice of the pouch containing the pouch is open, and the edge is sharp, on one hand, the anus or the intestinal wall of a patient can be damaged by the sheath nozzle when the bag is inserted through the anus and the intestinal tract, on the other hand, the intestinal content of the patient can flow into the sheath tube to pollute the object taking bag, and particularly when the polluted object taking bag expands in the abdominal cavity, the pollutant bacteria in the intestinal tract can be dispersed into the abdominal cavity, furthermore, the iatrogenic operation infection probability is increased, and the traditional fetching device cannot play a sealing role, so that pneumoperitoneum leakage is easily caused, the operation sight of a doctor is influenced, and the operation risk is increased. The invention is provided to solve the above problems.
Disclosure of Invention
The invention aims to provide a fetching device for laparoscopic surgery, which can prevent the fetching device from damaging the anus and the intestine, prevent bacterial pollution of intestinal contents to a fetching bag and reduce the surgical complications.
In order to achieve the purpose, the invention provides the following technical scheme:
an extractor device for laparoscopic surgery, comprising:
an extraction assembly for placing tissue excised in laparoscopic surgery and enclosing the excised tissue within the extraction assembly;
the reducing sleeve is arranged to be of a hollow tubular structure, and the fetching assembly is arranged in the reducing sleeve;
the sealing cap is detachably arranged at one end of the reducing sleeve and is used for sealing the end part of the reducing sleeve to prevent gas in the abdominal cavity from leaking;
the guide push rod, the one end of guide push rod is passed get the thing subassembly and arrange the tip of getting the thing subassembly in, the other end passes the sealed cap and stretches out the reducing sleeve pipe, promotes the guide push rod, and the guide push rod can be with getting the one end that the thing subassembly taken out the reducing sleeve pipe and kept away from the sealed cap.
Preferably, one end, far away from the end provided with the sealing cap, of the reducing sleeve is provided with a smooth inclined surface.
Preferably, the reducing sleeve pipe includes left reducing cover and right reducing cover, left side reducing cover and right reducing cover all set up to convex structure, the radial both sides card of left side reducing cover in the outside on the radial both sides of right reducing cover, left side reducing cover with all be provided with a plurality of protruding posts on two contact surfaces of right reducing cover, on the reducing cover of right side with convex post corresponding position department sets up convex through-hole, protruding post is arranged in the through-hole and can be along the direction back and forth movement of right reducing cover circumference in the through-hole.
Preferably, the number of the protruding columns is 4, two of the protruding columns are symmetrically arranged on two sides of one axial end of the left reducing sleeve, and the other two protruding columns are symmetrically arranged on two sides of the other axial end of the right reducing sleeve.
Preferably, the axial length of the left reducing sleeve is smaller than that of the right reducing sleeve.
Preferably, get the thing subassembly include both ends open-ended get the thing bag with set up in get the rope that seals of thing bag one end, the thing bag is provided with the one end of the rope that seals and arranges in the tip of sealed cap one end is kept away from to the reducing sleeve, and the outside upset of the other end overlaps in the reducing sleeve and installs the periphery of sealed cap one end tip and compressed tightly by sealed cap, the one end of guide push rod is passed the thing bag will get the one end that the thing bag was equipped with the rope that seals and extrude between its and reducing sleeve, the one end of the rope that seals is used for tightening up get the sack of thing bag, the other end stretches out from the one end that the reducing sleeve was equipped.
Preferably, the guide push rod comprises a guide cone and a push rod, the guide cone is of a bullet-head-shaped structure, the guide cone is arranged at the end part of one end, provided with the sealing rope, of the fetching bag and extrudes the fetching bag between the guide cone and the end part, far away from one end of the sealing cap, of the reducing sleeve, one end of the push rod is fixedly connected with the guide cone, the other end of the push rod penetrates through the sealing cap to extend out of the reducing sleeve, a handle is arranged at one end, far away from the guide cone, of the push rod, and the handle is of a circular structure.
Preferably, the radial dimension of the connecting end of the guide cone and the push rod is smaller than the radial dimension of the middle position of the guide cone.
Preferably, the sealing cap comprises a sealing cap body and a sealing flower valve, the sealing cap body comprises an upper sleeve, a lower sleeve, an inner sleeve and a cover plate, the cover plate is arranged to be in a circular ring-shaped structure, one end of the upper sleeve is connected with the periphery of the cover plate in a seamless mode, one end of the lower sleeve is connected with the inner periphery of the cover plate in a seamless mode, the upper sleeve and the lower sleeve are arranged on two sides of the cover plate, the inner sleeve is arranged in the upper sleeve, one end of the inner sleeve is connected with the cover plate in a seamless mode, a gap for installing the reducing sleeve is reserved between the upper sleeve and the inner sleeve, the radial distance between the upper sleeve and the inner sleeve is matched with the thickness of the reducing sleeve, the inner sleeve is sleeved with a sealing gasket at the connecting end of the cover plate, and the sealing flower valve is, the one end of guide push rod is arranged in get the thing bag, the other end passes inner skleeve, sealed flower valve, apron and lower sleeve in proper order and stretches out the reducing sleeve, be provided with the spacing groove of "Z" type structure on the surface of left side reducing sleeve and right reducing sleeve relative position, it is provided with spacing arch to go up the sleeve internal surface and keep away from on the relative position of apron one end, spacing arch install in the spacing inslot.
Preferably, the locking device further comprises a locking cap, wherein the lower sleeve is close to one end of the cover plate and is provided with an external thread, one end, far away from the cover plate, of the lower sleeve is provided with a plurality of openings along the axial direction of the lower sleeve, the end part, provided with an opening, of the lower sleeve is provided with a locking protrusion, an internal thread matched with the external thread of the lower sleeve is arranged inside one end of the locking cap, the locking cap is screwed into the lower sleeve, and one end, far away from the internal thread, of the locking cap is pressed on the locking protrusion to lock the push rod and the lower sleeve.
Preferably, the locking protrusion is arranged in an inverted triangle structure.
Preferably, the periphery of getting thing bag one end is provided with the confession seal the passageway that the rope penetrated, the one end of seal rope penetrates the passageway is worn out the back again by penetrating the mouth and is sealed rope fixed connection outside the passageway, the other end of seal rope stretches out along the outside of getting the thing bag reducing sleeve pipe with the outside of sealing cap contact surface, it is greater than the radial dimension who does not establish seal rope one end to get the thing bag.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a fetching device for laparoscopic surgery, which is provided with a guiding cone with a bullet-shaped structure and a reducing sleeve with an enlarged or reduced radial size, wherein the upper end of the reducing sleeve is provided with a smooth inclined surface, the initial state of the guiding cone is arranged at the inclined surface of the upper end of the reducing sleeve, and one end of a fetching bag is extruded between the guiding cone and the upper end of the reducing sleeve, so that medical personnel can smoothly place the fetching device into an abdominal cavity to avoid the damage to anorectum and prevent the pollution of intestinal contents to the fetching bag, after the fetching device for laparoscopic surgery is placed into the abdominal cavity, the guiding cone moves forwards under the pushing action of a push rod and simultaneously takes the fetching bag out of the reducing sleeve, thereby ensuring that the fetching bag enters the abdominal cavity in an original sterile state, avoiding the dispersion of pollutant bacteria in the intestinal cavity to the abdominal cavity and reducing the probability of iatrogenic surgical infection, thereby reducing surgical complications; the lower extreme of reducing sleeve pipe is provided with sealed lid, and sealed lid plays sealed effect to this load handling device, effectively prevents the gas leakage in the abdominal cavity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an extractor for laparoscopic surgery according to the present invention.
Fig. 2 is a sectional view of the fetching device for laparoscopic surgery of the present invention.
FIG. 3 is a schematic structural view of the reducer casing according to the present invention.
Fig. 4 is a partially enlarged view of a portion of fig. 3A.
Fig. 5 is a schematic structural view illustrating the fetching device for laparoscopic surgery of the present invention with the fetching assembly mounted.
FIG. 6 is a schematic view of the fetching assembly of the present invention
Fig. 7 is a schematic structural view of the sealing cap of the present invention.
Fig. 8 is a cross-sectional view of fig. 7C-C.
In the figure: 1-guide cone, 2-reducing sleeve, 21-left reducing sleeve, 211-limiting groove, 212-protruding column, 22-right reducing sleeve, 221-through hole, 3-sealing cap, 311-upper sleeve, 312-inner sleeve, 313-lower sleeve, 314-opening, 315-locking protrusion, 316-limiting protrusion, 317-cover plate, 32-sealing flower valve, 33-sealing gasket, 4-locking cap, 5-push rod, 61-fetching bag, 62-sealing rope and 63-channel.
Detailed Description
The core of the invention is to provide a fetching device for laparoscopic surgery, which can prevent the fetching device from damaging the anus and the intestine, prevent the bacterial pollution of intestinal contents to a fetching bag and reduce the surgical complications.
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is described below in detail and completely with reference to the accompanying drawings. Based on the embodiments in the present application, other similar embodiments obtained by persons of ordinary skill in the art without any creative effort shall fall within the protection scope of the present application.
As shown in fig. 1 to 4, the fetching device for laparoscopic surgery provided in this embodiment includes a reducing sleeve 2, a guide push rod, a fetching assembly and a locking cap 4, the reducing sleeve 2 is set to a hollow tubular structure, one end of the reducing sleeve 2 is provided with a sealing cap 3 for sealing the end of the reducing sleeve 2 to prevent gas leakage in the abdominal cavity, one end of the sealing cap 3, away from the reducing sleeve 2, is set to a smooth inclined plane, the reducing sleeve 2 includes a left reducing sleeve 21 and a right reducing sleeve 22, the left reducing sleeve 21 and the right reducing sleeve 22 are both set to a circular arc-shaped structure, and the axial length of the left reducing sleeve 21 is smaller than the axial length of the right reducing sleeve 22. The two radial sides of the left reducing sleeve 21 are clamped on the outer sides of the two radial sides of the right reducing sleeve 22, a plurality of protruding columns 212 are arranged on two contact surfaces of the left reducing sleeve 21 and the right reducing sleeve 22, a circular arc-shaped through hole 221 is formed in the position, corresponding to the protruding columns 212, of the right reducing sleeve 22, and the protruding columns 212 are arranged in the through hole 221 and can move back and forth in the through hole 221 along the circumferential direction of the right reducing sleeve 22. Preferably, in the present embodiment, the number of the protruding columns 212 is 4, two of the protruding columns 212 are symmetrically disposed on two sides of one axial end of the left reducing sleeve 21, and the other two protruding columns 212 are symmetrically disposed on two sides of the other axial end of the right reducing sleeve 22. The arrangement of the protruding column 212 on the left reducing sleeve 21 and the through hole 221 on the right reducing sleeve 22 allows the radial size of the reducing sleeve 2 to be increased or decreased, the radial size of the reducing sleeve 2 is the smallest when the sealing cap 3 is placed on the reducing sleeve 2, and the radial size of the reducing sleeve 2 is increased when the sealing cap 3 is removed from the reducing sleeve 2.
As shown in fig. 5 and 6, the fetching assembly is used for placing the excised tissue in the laparoscopic surgery and storing the excised tissue in the fetching assembly, the fetching assembly comprises a fetching bag 61 with two open ends and a sealing rope 62 arranged at one end of the fetching bag 61, one end of the fetching bag 61 provided with the sealing rope 62 is arranged in the reducing sleeve 2, the other end is outwards turned and sleeved on the periphery of the end part of one end of the sealing cap 3 arranged on the reducing sleeve 2 and is tightly pressed by the sealing cap 3, the periphery of one end of the fetching bag 61 provided with the sealing rope 62 is provided with a channel 63 for the sealing rope 62 to penetrate, one end of the sealing rope 62 penetrates into the channel 63 and then is fixedly connected with the sealing rope 62 outside the channel 63 after penetrating out from the penetrating port, the other end of the sealing rope 62 extends out of one end of the reducing sleeve 2 provided with the sealing cap 3, further, the other end of the sealing rope 62 extends out of the contact surface of the reducing sleeve 2, the closure cord 62 may tighten the mouth of the access bag 61.
One end of the guide push rod penetrates through the object taking bag 61, one end of the object taking bag 61, provided with the sealing rope 62, is squeezed between the end of the object taking bag 61 and the reducing sleeve 2, and the guide push rod can take one end of the object taking bag 61, provided with the sealing rope 62, out of the reducing sleeve 2. Furthermore, the guiding push rod comprises a guiding cone 1 and a push rod 5, the guiding cone 1 is arranged to be of a bullet-head type structure, the guiding cone 1 is arranged at the end part of the object taking bag 61 with one end provided with the sealing rope 62 and extrudes the object taking bag 61 between the end parts of the guiding cone 1 and the reducing sleeve 2 far away from one end of the sealing cap 3, namely the radial size of the middle position of the guiding cone 1 is matched with the size of the inner diameter of the reducing sleeve 2, the end part of the object taking bag 61 with one end provided with the sealing rope 62 is arranged at the end part of the reducing sleeve 2 far away from the sealing cap 3, one end of the object taking bag 61 provided with the sealing rope 62 is wound on the guiding cone 61, and therefore the end of the object taking bag 61 provided with the sealing rope 62. One end of the push rod 5 is fixedly connected with the guide cone 1, the other end of the push rod penetrates through the sealing cap 3 to extend out of the reducing sleeve 2, and the guide cone 1 moves forwards under the pushing action of the push rod 5 and brings the object taking bag 61 out of the reducing sleeve 2. The handle is arranged at one end of the push rod 5 far away from the guide cone 1, the handle is of a circular ring structure, and the handle is arranged to facilitate the operation of the fetching device for laparoscopic surgery.
Further, the radial dimension of the connecting end of the guide cone 1 and the push rod 5 is smaller than that of the middle position of the guide cone 1, so that the guide cone 1 can be conveniently retracted into the reducing sleeve 2.
Preferably, the radial dimension of the object-taking bag 61 is gradually increased from one end to the other end, the radial dimension of the end of the object-taking bag 61 provided with the sealing rope 62 is larger than the radial dimension of the end of the object-taking bag 61 not provided with the sealing rope 62, the radial dimension of the end of the object-taking bag 61 provided with the sealing rope 62 is convenient for a doctor to put the tumor and part of the tissue in the abdominal cavity into the object-taking bag 61 and enlarge the volume of the object-taking bag, the radial dimension of the end of the object-taking bag 61 not provided with the sealing rope 62 is small, so that the part of the object-taking bag 61 arranged in the variable diameter sleeve 2 is more regular, and the influence of the object-taking bag 61.
As shown in fig. 7 and 8, the sealing cap 3 includes a sealing cap cover and a sealing flower valve 32, the sealing cap cover includes an upper sleeve 311, a lower sleeve 313, an inner sleeve 312 and a cover plate 317 which are integrally formed, the cover plate 317 is configured as a circular ring structure, one end of the upper sleeve 311 is seamlessly connected with the outer periphery of the cover plate 317, one end of the lower sleeve 313 is seamlessly connected with the inner periphery of the cover plate 317, the upper sleeve 311 and the lower sleeve 313 are disposed at both sides of the cover plate 317, the inner sleeve 312 is disposed in the upper sleeve 311 and one end of the inner sleeve 312 is seamlessly connected with the cover plate 317, a gap for mounting the reducing sleeve 2 is left between the upper sleeve 311 and the inner sleeve 312, that is, the radial distance between the upper outer sleeve and the reducing sleeve 312 is matched with the thickness of the reducing inner sleeve 317, a sealing gasket 33 is sleeved at the connecting end of the inner sleeve 312 and the cover plate 317, an external thread is disposed at one end of the lower, the end part of the lower sleeve 313 provided with the opening 314 is provided with a locking protrusion 315 with an inverted triangular structure, the sealing flower valve 32 is made of rubber materials, the sealing flower valve 32 is arranged in the inner sleeve 312 and connected with the cover plate 317, one end of the guide push rod is arranged in the object-taking bag 61, the other end of the guide push rod sequentially penetrates through the inner sleeve 312, the sealing flower valve 32, the cover plate 317 and the lower sleeve 313 extend out of the reducer sleeve 2, the inner part of one end of the locking cap 4 is provided with an inner thread matched with the outer thread of the lower sleeve 313, the locking cap 4 is screwed into the lower sleeve 313, the inner thread of the locking cap 4 is matched with the outer thread of the lower sleeve 313, one end of the locking cap 4 far away from the inner thread is pressed on the locking protrusion 315, the push rod 5 is locked with the lower sleeve 313, meanwhile, the.
As shown in fig. 3, 4, 7 and 8, a limit groove 211 of a "Z" type structure is provided on the outer surface of the relative position of the left reducing sleeve 21 and the right reducing sleeve 22, a limit protrusion 316 is provided on the relative position of the inner surface of the upper sleeve 311 far from one end of the cover plate 317, the limit protrusion 316 is installed in the limit groove 211, and the limit groove 211 and the limit protrusion 316 are provided to facilitate the disassembly and assembly of the sealing cap 3.
The use method of the intestinal tract extractor comprises the following steps:
1. installing a fetching bag 61 in place, arranging the end part of the fetching bag 61, which is provided with one end of a sealing rope 62, at the end part of the reducing sleeve 2, which is far away from a sealing cap 3, winding the end of the fetching bag 61, which is provided with the sealing rope 62, on a guide cone 61, screwing a locking cap 4 into a lower sleeve 313 to lock a push rod 5 and the lower sleeve 313, holding one end of the reducing sleeve 2, which is provided with the sealing cap 3, and placing one ends of the guide cone 1 and the reducing sleeve 2, which are far away from the sealing cap 3, into the abdominal cavity through the anus and the rectum and upwards at the port cut off;
2. unscrewing the locking cap 4, holding a handle 51 of the push rod 5 to push the guide cone 1 upwards along the reducing sleeve 2, moving the guide cone 1 forwards and pushing the reducing sleeve 2 out simultaneously with the object taking bag 61, keeping the object taking bag 61 in an original sterile state to enter an abdominal cavity, arranging the object taking bag 61 by a doctor by using a surgical instrument and pulling the push rod 5 outwards, and pulling the guide cone 1 back to one end of the reducing sleeve 2 close to the sealing cap 3;
3. under laparoscopic observation, the "tumor and partial tissue" specimen is placed in the expanded extraction bag 61;
4. the sealing cap 3 is detached, the push rod 5 and the guide cone 1 are detached, the sealing rope 62 is tightened, one end of the object taking bag 62 far away from the sealing rope 62 is held to pull the object taking bag 62 outwards, one end of the object taking bag 62 containing the tumor and partial tissue samples is placed at one end of the reducing sleeve 2 far away from the sealing cap 3, when the object taking bag body 61 is pulled outwards, the radial size of the reducing sleeve 2 is increased under the action of the tumor and partial tissue samples, and then the tumor and partial tissue samples enter the reducing sleeve 2;
5. the reducing sleeve 2 and the fetching component are taken out together through the anus.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An extractor device for laparoscopic surgery, comprising:
an extraction assembly for placing tissue excised in laparoscopic surgery and enclosing the excised tissue within the extraction assembly;
the reducing sleeve (2) is arranged to be of a hollow tubular structure, and the fetching assembly is arranged in the reducing sleeve (2);
the sealing cap (3) is detachably arranged at one end of the reducing sleeve (2) and is used for sealing the end part of the reducing sleeve (2) to prevent gas in the abdominal cavity from leaking;
one end of the guide push rod penetrates through the fetching assembly and is arranged at the end part of the fetching assembly, the other end of the guide push rod penetrates through the sealing cap (3) and extends out of the reducing sleeve (2), the guide push rod is pushed, and the fetching assembly can be taken out of one end, far away from the sealing cap (3), of the reducing sleeve (2) by the guide push rod;
the reducing sleeve (2) comprises a left reducing sleeve (21) and a right reducing sleeve (22), the left reducing sleeve (21) and the right reducing sleeve (22) are both of circular arc structures, two radial sides of the left reducing sleeve (21) are clamped at the outer sides of two radial sides of the right reducing sleeve (22), a plurality of convex columns (212) are arranged on two contact surfaces of the left reducing sleeve (21) and the right reducing sleeve (22), circular arc through holes (221) are formed in positions, corresponding to the convex columns (212), on the right reducing sleeve (22), the convex columns (212) are arranged in the through holes (221) and can move back and forth in the through holes (221) along the circumferential direction of the right reducing sleeve (22);
the sealing cap (3) comprises a sealing cap body and a sealing flower valve (32), the sealing cap body comprises an upper sleeve (311), a lower sleeve (313), an inner sleeve (312) and a cover plate (317), the cover plate (317) is arranged to be of a circular ring-shaped structure, one end of the upper sleeve (311) is connected with the periphery of the cover plate (317) in a seamless mode, one end of the lower sleeve (313) is connected with the inner periphery of the cover plate (317) in a seamless mode, the upper sleeve (311) and the lower sleeve (313) are arranged on the two sides of the cover plate (317), the inner sleeve (312) is arranged in the upper sleeve (311) and one end of the upper sleeve (312) is connected with the cover plate (317) in a seamless mode, a gap for installing the reducing sleeve (2) is reserved between the upper sleeve (311) and the inner sleeve (312), and a connecting end of the inner sleeve (312) and the cover plate (317) is provided with, the sealing flower valve (32) is arranged in the inner sleeve (312) and connected with the cover plate (317), one end of the guide push rod is arranged in the fetching component, the other end of the guide push rod sequentially penetrates through the inner sleeve (312), the sealing flower valve (32), the cover plate (317) and the lower sleeve (313) to extend out of the reducing sleeve (2), a limiting groove (211) of a Z-shaped structure is formed in the outer surface of the opposite position of the left reducing sleeve (21) and the right reducing sleeve (22), a limiting bulge (316) is arranged in the opposite position of one end, far away from the cover plate (317), of the inner surface of the upper sleeve (311), and the limiting bulge (316) is installed in the limiting groove (211);
the fetching assembly comprises a fetching bag (61) with two open ends and a sealing rope (62) arranged at one end of the fetching bag (61);
the guiding push rod comprises a guiding cone (1) and a push rod (5), the guiding cone (1) is of a bullet head type structure, the guiding cone (1) is arranged at the end part of one end, provided with a sealing rope (62), of the object taking bag (61), the object taking bag (61) is extruded between the guiding cone (1) and the end part of one end, far away from the sealing cap (3), of the reducing sleeve (2), one end of the push rod (5) is fixedly connected with the guiding cone (1), the other end of the push rod penetrates through the sealing cap (3) and extends out of the reducing sleeve (2), one end, far away from the guiding cone (1), of the push rod (5) is provided with a handle, and the handle is of a circular structure; the radial size of the connecting end of the guide cone (1) and the push rod (5) is smaller than that of the middle position of the guide cone (1).
2. The fetching device for laparoscopic surgery according to claim 1, wherein the end of the reducer sleeve (2) far from where the sealing cap (3) is installed is provided with a smooth slope.
3. The extractor for laparoscopic surgery of claim 2, wherein the axial length of said left reducing sleeve (21) is smaller than the axial length of said right reducing sleeve (22).
4. The fetching device for laparoscopic surgery as claimed in claim 2 or 3, wherein the fetching bag (61) is provided with one end of the sealing rope (62) and is placed in the end of the reducer casing (2) far from the end of the sealing cap (3), the other end is turned outwards and sleeved on the periphery of the end of the reducer casing (2) with the sealing cap (3) and is pressed by the sealing cap (3), one end of the guiding push rod passes through the fetching bag (61) to press the end of the fetching bag (61) provided with the sealing rope (62) between the fetching bag and the reducer casing (2), one end of the sealing rope (62) is used for tightening the bag mouth of the fetching bag (61), and the other end extends out from the end of the reducer casing (2) provided with the sealing cap (3).
5. The fetching device for laparoscopic surgery according to claim 4, further comprising a locking cap (4), wherein an external thread is arranged at one end of the lower sleeve (313) close to the cover plate (317), a plurality of openings (314) are formed at one end of the lower sleeve (313) far away from the cover plate (317) along the axial direction of the lower sleeve (313), a locking protrusion (315) is arranged at the end of the lower sleeve (313) provided with the openings (314), an internal thread matched with the external thread of the lower sleeve (313) is arranged inside one end of the locking cap (4), the locking cap (4) is screwed into the lower sleeve (313), and one end of the locking cap (4) far away from the internal thread is pressed on the locking protrusion (315) to lock the push rod (5) and the lower sleeve (313).
6. The fetching device for laparoscopic surgery according to claim 5, wherein the outer periphery of one end of the fetching bag (61) is provided with a channel (63) for the sealing rope (62) to penetrate through, one end of the sealing rope (62) penetrates into the channel (63) and then is fixedly connected with the sealing rope (62) outside the channel (63) after penetrating out from the penetrating port, the other end of the sealing rope (62) extends out of the contact surface of the reducing sleeve (2) and the sealing cap (3) along the outer side of the fetching bag (61), and the radial dimension of one end of the fetching bag (61) provided with the sealing rope (62) is larger than that of one end of the fetching bag (61) not provided with the sealing rope (62).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910773668.2A CN110464389B (en) | 2019-08-21 | 2019-08-21 | Fetching device for laparoscopic surgery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910773668.2A CN110464389B (en) | 2019-08-21 | 2019-08-21 | Fetching device for laparoscopic surgery |
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| CN110464389A CN110464389A (en) | 2019-11-19 |
| CN110464389B true CN110464389B (en) | 2020-12-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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