CN110464389A - A kind of load-engaging device for laparoscopic surgery - Google Patents
A kind of load-engaging device for laparoscopic surgery Download PDFInfo
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- CN110464389A CN110464389A CN201910773668.2A CN201910773668A CN110464389A CN 110464389 A CN110464389 A CN 110464389A CN 201910773668 A CN201910773668 A CN 201910773668A CN 110464389 A CN110464389 A CN 110464389A
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- casing tube
- reducing casing
- extraction bag
- push rod
- drill holder
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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
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kind of load-engaging devices for laparoscopic surgery, the load-engaging device includes reducing casing tube, guiding push rod and take object component, reducing casing tube is set as hollow tubular structure, one end of reducing casing tube is provided with seal cap, taking object component includes the extraction bag of both ends open and the sealing rope for being set to extraction bag one end, one end that extraction bag is provided with sealing rope is placed in reducing casing tube, other end flip-over is placed on reducing casing tube and is equipped with the periphery of seal cap one end end and is compressed by seal cap, one end of sealing rope is used to tighten the sack of extraction bag, the other end stretches out the outside of reducing casing tube and seal cap contact surface along the outside of extraction bag, one end of guiding push rod is placed in extraction bag and extraction bag can be provided with to one end release reducing casing tube of sealing rope, the other end passes through seal cap and stretches out reducing casing tube.The load-engaging device can prevent its damage to anal intestine, can also prevent intestinal contents germ contamination caused by extraction bag, reduce postoperative complication.
Description
Technical field
The present invention relates to surgical operating instrument technical fields, take object to fill for laparoscopic surgery more particularly to a kind of
It sets.
Background technique
Traditional abdominal wound is larger, and laparoscopic surgery wound is small, restores fast, is widely used in facing in recent years
Bed is to form single or multiple tiny pipelines in abdomen wall puncture using abdomen wall puncture device, so as to laparoscope and surgical instrument
It enters and leaves abdominal cavity and implements surgical procedure.But the bulk tumour of laparoscopic surgery excision takes out difficulty by the small notch of stomach wall,
After intestinal canal tumour excision at present, natural cavity can use, i.e., take out by anal orifice and rectal intestine access, in order to which pre- preventing tumor is spread,
Traditional fetching bag device is mainly applied, but since the sheath nozzle that it accommodates extraction bag is open, and clear-cut margin, on the one hand
It is possible that when being inserted by anus and enteron aisle sheath injury of mouth patient anus or intestinal wall, be on the other hand likely to cause patient
Intestinal contents flow into sheath and pollute extraction bag, especially may cause in enteron aisle when contaminated extraction bag is in intraperitoneal extension
Pollutant bacterium permeates into postoperative infection probability that is intraperitoneal, and then increasing iatrogenic, and traditional load-engaging device cannot rise
To sealing function, pneumoperitoneum is be easy to cause to leak, influence surgical sight, increases operation risk.In view of the above-mentioned problems, special propose
The present invention.
Summary of the invention
The object of the present invention is to provide a kind of load-engaging device for laparoscopic surgery, which can prevent it to anus
The damage of intestines can also prevent intestinal contents germ contamination caused by extraction bag, reduce postoperative complication.
To achieve the above object, the invention provides the following technical scheme:
A kind of load-engaging device for laparoscopic surgery, comprising:
Object component is taken, is used to place the tissue cut off in laparoscopic surgery and is sealed in the tissue of excision and described take object
In component；
Reducing casing tube, the reducing casing tube is set as hollow tubular structure, described that object component is taken to be placed in the reducing casing tube
It is interior；
Seal cap is detachably arranged in one end of reducing casing tube, for sealing the end of reducing casing tube to prevent abdomen
Intracavitary gas leakage；
One end of guiding push rod, the guiding push rod takes object component to be placed in the end for taking object component, the other end across described
Reducing casing tube is stretched out across seal cap, pushes guiding push rod, guiding push rod can will take object component to take reducing casing tube out of far from sealing
One end of cap.
Preferably, the reducing casing tube is separate is equipped with the inclined-plane that seal cap one end is set as smooth.
Preferably, the reducing casing tube includes left drill holder and right drill holder, and the left drill holder and right drill holder are all provided with
It is set to arc-shaped structure, the both sides of the left drill holder radial direction are stuck in the outside on the right drill holder radial direction both sides, the left change
Is provided with multiple convex columns on diameter set and two contact surfaces of the right drill holder, on the right drill holder with the convex column
Arc-shaped through-hole is offered at corresponding position, the convex column is placed in through-hole and can be in through-hole along right drill holder circumference
Direction move back and forth.
Preferably, the convex column is set as 4 altogether, and two of them convex column is symmetrically disposed on left drill holder axial direction one end
Two sides, other two convex column is symmetrically disposed on the two sides of the right drill holder axial direction other end.
Preferably, the axial length of the left drill holder is less than the axial length of the right drill holder.
Preferably, described that object component is taken to include the extraction bag of both ends open and be set to the sealing of described extraction bag one end
Rope, one end that the extraction bag is provided with sealing rope are placed in end of the reducing casing tube far from seal cap one end, the other end to
Outer inversion boot is equipped with the periphery of seal cap one end end in reducing casing tube and is compressed by seal cap, one end of the guiding push rod
One end that extraction bag is equipped with sealing rope is extruded in it reducing casing tube across the extraction bag, one end of the sealing rope
For tightening the sack of the extraction bag, the other end is stretched out from one end that reducing casing tube is equipped with sealing cover.
Preferably, the guiding push rod includes guide cone and push rod, and the guide cone is set as bullet-shaped structure, described
Guide cone is placed in the extraction bag and is provided with the end of sealing rope one end and extraction bag is extruded in guide cone and the drill holder
It manages between the end far from seal cap one end, one end of the push rod is fixedly connected with the guide cone, and the other end passes through sealing
Cap stretches out reducing casing tube, and the push rod is provided with handle far from one end of guide cone, and the handle is set as cirque structure.
Preferably, the guide cone and the radial dimension of the push rod connecting pin are less than the diameter in the guide cone middle position
To size.
Preferably, the seal cap includes sealed cap and sealing petal film, and the sealed cap includes upper bush, traps
Cylinder, inner sleeve and cover board, the cover board are set as cirque structure, and one end of the upper bush and the periphery of the cover board are seamless
The inner circumferential of connection, one end of the lower sleeve and the cover board is seamlessly connected, and the upper bush and the lower sleeve are set to institute
The two sides of cover board are stated, the inner sleeve is placed in the upper bush and one end of inner sleeve and the cover board are seamlessly connected, described
There are the gaps for installing the reducing casing tube between upper bush and the inner sleeve, between the upper outer sleeve and the inner sleeve
The thickness of radial distance and the reducing sleeve match, the connecting pin of the inner sleeve and the cover board is arranged with gasket
Circle, the sealing petal film are placed in the inner sleeve and connect with the cover board, and one end of the guiding push rod is placed in described
In extraction bag, the other end sequentially passes through inner sleeve, sealing petal film, cover board and lower sleeve and stretches out reducing casing tube, the left variable diameter
The limiting slot of " Z " type structure is provided on the outer surface of set and right drill holder relative position, the upper bush inner surface is far from lid
Retention bead is provided on the relative position of plate one end, the retention bead is installed in the limiting slot.
It preferably, further include locking cap, the lower sleeve is provided with external screw thread close to one end of the cover board, described to trap
Cylinder offers multiple openings along the axial direction of lower sleeve far from one end of cover board, and the end that the lower sleeve is provided with opening is set
Be equipped with locking it is convex, described locking cap one end is internally provided with the internal screw thread matched with the lower sleeve external screw thread, locking cap
It is screwed into the lower sleeve, and locking cap is pressed in described lock far from one end of internal screw thread and push rod and lower sleeve is locked on convex.
Preferably, the locking projection is set to inverted triangular structure.
Preferably, the periphery of described extraction bag one end is provided with the channel penetrated for the sealing rope, the sealing rope
One end penetrates the channel and is pierced by again by penetrating mouth to be fixedly connected with the sealing rope outside channel afterwards, the other end edge of the sealing rope
The outside of extraction bag stretch out the outside of the reducing casing tube Yu the seal cap contact surface, the extraction bag is equipped with sealing rope one
The radial dimension at end is greater than the radial dimension that extraction bag does not set sealing rope one end.
Compared with prior art, beneficial effects of the present invention are as follows:
The present invention provides a kind of load-engaging device for laparoscopic surgery, which is provided with bullet-shaped structure
Guide cone and the radial dimension reducing casing tube that can increase or reduce, the upper end of reducing casing tube be set as smooth inclined-plane, guide
The upper end that the initial state of cone is placed at the upper end inclined-plane of reducing casing tube and one end of extraction bag is extruded in it with reducing casing tube
Between, this convenient for medical staff by the load-engaging device be smoothly placed in it is intraperitoneal avoid it from causing to damage to anal intestine, can also be pre-
Pollution of the anti-intestinal contents to extraction bag, after the load-engaging device merging for laparoscopic surgery is intraperitoneal, guide cone is being pushed away
Moved forward under the impetus of bar and take extraction bag out of reducing casing tube simultaneously, thereby guarantee that extraction bag keep former germ-free condition into
Enter intraperitoneal, avoids the pollutant bacterium in enteron aisle from permeating into intraperitoneal, iatrogenic postoperative infection probability is reduced, to reduce
Postoperative complication；The lower end of reducing casing tube is provided with sealing cover, and sealing cover plays sealing function to the load-engaging device, effectively prevent
Intraperitoneal gas leakage.
Detailed description of the invention
In order to illustrate more clearly of the utility model embodiment or technical solution in the prior art, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, drawings discussed below is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is structural schematic diagram of the present invention for the load-engaging device of laparoscopic surgery.
Fig. 2 is cross-sectional view of the present invention for the load-engaging device of laparoscopic surgery.
Fig. 3 is the structural schematic diagram of reducing casing tube of the present invention.
Fig. 4 is the partial enlarged view of Fig. 3 part A.
Fig. 5 is that load-engaging device of the present invention for laparoscopic surgery is equipped with the structural schematic diagram for taking object component.
Fig. 6 is the structural schematic diagram that the present invention takes object component
Fig. 7 is the structural schematic diagram of seal cap of the present invention.
Fig. 8 is the cross-sectional view of Fig. 7 C-C.
In figure: 1-guide cone, 2-reducing casing tubes, 21-left drill holders, 211-limiting slots, 212-convex columns, 22-
Right drill holder, 221-through-holes, 3-seal caps, 311-upper bushes, 312-inner sleeves, 313-lower sleeves, 314-openings,
315-convex, the 316-retention beads of locking, 317-cover boards, 32-sealing petal films, 33-seal washers, 4-locking caps, 5-
Push rod, 61-extraction bags, 62-sealing ropes, 63-channels.
Specific embodiment
Core of the invention is to provide a kind of load-engaging device for laparoscopic surgery, which can prevent its right
The damage of anal intestine can also prevent intestinal contents germ contamination caused by extraction bag, reduce postoperative complication.
It is right below with reference to attached drawing of the invention in order to make those skilled in the art more fully understand technical solution of the present invention
Technical solution of the present invention carries out clear, complete description.Based on the embodiment in the application, those of ordinary skill in the art exist
Other similar embodiments obtained under the premise of creative work are not made, shall fall within the protection scope of the present application.
As shown in Figures 1 to 4, the load-engaging device for laparoscopic surgery provided in this specific embodiment includes reducing casing tube
2, guiding push rod, take object component and locking cap 4, reducing casing tube 2 is set as hollow tubular structure, one end setting of reducing casing tube 2
The seal cap 3 for having the end for sealing reducing casing tube 2 to prevent intraperitoneal gas from leaking, reducing casing tube 2 is separate to be equipped with
3 one end of seal cap is set as smooth inclined-plane, and reducing casing tube 2 includes left drill holder 21 and right drill holder 22, left 21 He of drill holder
Right drill holder 22 is disposed as arc-shaped structure, and the axial length of left drill holder 21 is less than the axial length of right drill holder 22.It is left
The radial both sides of drill holder 21 are stuck in the outside on the radial both sides of right drill holder 22, and two of left drill holder 21 and right drill holder 22 connect
It is provided with multiple convex columns 212 in contacting surface, is offered at position corresponding with convex column 212 on right drill holder 22 arc-shaped
Through-hole 221, convex column 212 be placed in through-hole 221 and can the direction in through-hole 221 along right 22 circumference of drill holder move back and forth.
As the preferred of this specific embodiment, convex column 212 is set as 4 altogether, and two of them convex column 212 is symmetrically disposed on left variable diameter
The two sides of the axial one end of set 21, other two convex column 212 are symmetrically disposed on the two sides of the axial other end of right drill holder 22.Left change
The setting of convex column 212 and the through-hole 221 on right drill holder 22 on diameter set 21 is so that the radial dimension of reducing casing tube 2 can increase
Or reduce, when seal cap 3 is placed on reducing casing tube 2, the radial dimension of reducing casing tube 2 is minimum, when seal cap 3 is from reducing casing tube
When removing on 2, the radial dimension of reducing casing tube 2 can be supportted greatly.
As it can be seen in figures 5 and 6, taking object component for placing the tissue cut off in laparoscopic surgery and sealing the tissue of excision up for safekeeping
It is taken in object component in described, taking object component includes the extraction bag 61 of both ends open and the sealing rope for being set to 61 one end of extraction bag
62, one end that extraction bag 61 is provided with sealing rope 62 is placed in reducing casing tube 2, and other end flip-over is placed on the peace of reducing casing tube 2
It periphery equipped with 3 one end end of seal cap and is compressed by seal cap 3, the periphery that extraction bag 61 is equipped with 62 one end of sealing rope is provided with
For 62 channels 63 that penetrate of sealing rope, one end of sealing rope 62 penetrate channel 63 again by penetrate mouth be pierced by afterwards with the envelope outside channel 63
Mouth rope 62 is fixedly connected, and the other end of sealing rope 62 is equipped with one end stretching of sealing cover 3, further, sealing from reducing casing tube 2
The other end of rope 62 stretches out the outside of reducing casing tube 2 and 3 contact surface of seal cap along the outside of extraction bag 61, and sealing is restricted 62 can be with
Tighten the sack of extraction bag 61.
One end of guiding push rod passes through extraction bag 61 and one end that extraction bag 61 is equipped with sealing rope 62 is extruded in itself and variable diameter
Between casing 2, one end that extraction bag 61 can be provided with sealing rope 62 by guiding push rod takes reducing casing tube 2 out of.Further, it guides
Push rod includes guide cone 1 and push rod 5, and guide cone 1 is set as bullet-shaped structure, and guide cone 1 is placed in extraction bag 61 and is equipped with sealing
Restrict 62 one end end and extraction bag 61 is extruded between the end of guide cone 1 and reducing casing tube 2 far from 3 one end of seal cap,
That is the radial dimension in 1 middle position of guide cone and the size of 2 internal diameter of reducing casing tube matches, and extraction bag 61 is equipped with sealing rope 62 1
The end at end is placed in end of the reducing casing tube 2 far from seal cap 3, and extraction bag 61 is equipped with sealing 62 one ends wounds of rope in guide cone 61
On, it is thus achieved that guide cone 1 smoothly takes one end that extraction bag 61 is equipped with sealing rope 62 out of reducing casing tube 2.One end of push rod 5
Be fixedly connected with guide cone 1, the other end pass through seal cap 3 stretch out reducing casing tube 2, guide cone 1 under the impetus of push rod 5 to
Preceding movement takes extraction bag 61 out of reducing casing tube 2 simultaneously.Push rod 5 is provided with handle far from one end of guide cone 1, and handle is set as
Cirque structure, the setting of handle are used for the operation of the load-engaging device of laparoscopic surgery convenient for this.
Further, guide cone 1 and the radial dimension of 5 connecting pin of push rod are less than the radial dimension in 1 middle position of guide cone,
This retracts reducing casing tube 2 convenient for guide cone 1.
As the preferred of this specific embodiment, the radial dimension of extraction bag 61 is gradually increased from one end to the other end, takes object
The radial dimension that bag 61 is equipped with 62 one end of sealing rope is greater than the radial dimension that extraction bag 61 does not set 62 one end of sealing rope, extraction bag 61
Radial dimension equipped with 62 one end of sealing rope be convenient for greatly doctor intraperitoneal tumour and portion of tissue are packed into extraction bag 61 and
Expand the volume of extraction bag, the radial dimension that extraction bag 61 does not set 62 one end of sealing rope is small so that extraction bag 61 is placed in reducing casing tube
Part in 2 is more regular, reduces the influence that extraction bag 61 retracts reducing casing tube 2 to guide cone 1.
As shown in FIG. 7 and 8, seal cap 3 includes sealed cap and sealing petal film 32, and sealed cap includes integrally formed
Upper bush 311, lower sleeve 313, inner sleeve 312 and cover board 317, cover board 317 are set as cirque structure, and the one of upper bush 311
End and the periphery of cover board 317 are seamlessly connected, and one end of lower sleeve 313 and the inner circumferential of cover board 317 are seamlessly connected, 311 He of upper bush
Lower sleeve 313 is set to the two sides of cover board 317, and inner sleeve 312 is placed in upper bush 311 and one end and the cover board of inner sleeve 312
317 seamless connections, there are the gap of installation reducing casing tube 2, i.e., upper outer sleeve and inner sleeves between upper bush 311 and inner sleeve 312
The thickness of radial distance and reducing sleeve between cylinder 312 matches, and the connecting pin of inner sleeve 312 and cover board 317 is arranged with close
Seal washer 33, lower sleeve 313 are provided with external screw thread, one end edge of the lower sleeve 313 far from cover board 317 close to one end of cover board 317
The axial direction of lower sleeve 313 offers multiple openings 314, and the end that lower sleeve 313 is provided with opening 314 is provided with inverted triangle
The locking of shape structure convex 315, sealing petal film 32 use rubber material, sealing petal film 32 be placed in inner sleeve 312 and with lid
Plate 317 connects, and one end of guiding push rod is placed in extraction bag 61, the other end sequentially pass through inner sleeve 312, sealing petal film 32,
Cover board 317 and lower sleeve 313 stretch out reducing casing tube 2, and being internally provided with for 4 one end of locking cap matches with 313 external screw thread of lower sleeve
The internal screw thread of conjunction, locking cap 4 are screwed into lower sleeve 313, and the internal screw thread and 313 external screw thread of lower sleeve of locking cap 4 cooperate, locking cap 4
One end far from internal screw thread is pressed in locking convex 315, push rod 5 and lower sleeve 313 is locked, while locking cap 4 is matched with seal cap 3
The sealing function for reinforcing seal cap 3 is closed, intraperitoneal gas is effectively prevent to leak.
As shown in Fig. 3,4,7 and 8, " Z " type is provided on the outer surface of 22 relative position of left drill holder 21 and right drill holder
The limiting slot 211 of structure, 311 inner surface of upper bush are provided with retention bead 316 on the relative position far from 317 one end of cover board,
Retention bead 316 is installed in limiting slot 211, and the dismounting of seal cap 3 is convenient in the setting of limiting slot 211 and retention bead 316.
The enteron aisle takes sundries application method are as follows:
1, extraction bag 61 is installed in place, it is separate that the end that extraction bag 61 is equipped with 62 one end of sealing rope is placed in reducing casing tube 2
The end of seal cap 3, extraction bag 61 are equipped with sealing 62 one ends wounds of rope in guide cone 61, and locking cap 4 is screwed into lower sleeve 313 will
Push rod 5 and lower sleeve 313 are locked, and one end that reducing casing tube 2 is equipped with seal cap 3 is held, and guide cone 1 and reducing casing tube 2 is remote
One end from seal cap 3 is by anus, rectum and intraperitoneal in the port merging of intestinal tube excision upwards；
2, unscrew locking cap 4, hold 5 handle 51 of push rod along reducing casing tube 2 and above push away guide cone 1, guide cone 1 move forward with
Extraction bag 61 releases reducing casing tube 2 simultaneously, and extraction bag 61 keeps former germ-free condition to enter abdominal cavity, and doctor is arranged using surgical instrument
Extraction bag 61 simultaneously pulls push rod 5 outward, and guide cone 1 is returned to variable casing 2 close to one end of seal cap 3；
3, under laparoscopic visualization, " tumour and portion of tissue " sample is placed in the extraction bag 61 of expansion；
4, seal cap of dismantling 3, removes push rod 5 and guide cone 1, and tightening sealing rope 62 holds extraction bag 62 far from sealing rope
62 one end pulls out extraction bag 62, and the one end for filling the extraction bag 62 of " tumour and portion of tissue " sample is placed on variable diameter
The one end of casing 2 far from seal cap 3, when pullling extraction bag body 61 outward, reducing casing tube 2 is in " tumour and portion of tissue " sample
Under effect, radial dimension becomes larger, and " tumour and portion of tissue " sample enters in reducing casing tube 2 in turn；
5, reducing casing tube 2 takes out with per anum together with object component is taken.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.
Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this
The range of invention is indicated by the appended claims rather than the foregoing description, it is intended that the equivalent requirements of the claims will be fallen in
All changes in meaning and scope are included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of load-engaging device for laparoscopic surgery characterized by comprising
Object component is taken, is used to place the tissue cut off in laparoscopic surgery and is sealed in the tissue of excision and described take object component
It is interior；
Reducing casing tube (2), the reducing casing tube (2) is set as hollow tubular structure, described that object component is taken to be placed in the drill holder
It manages in (2)；
Seal cap (3), is detachably arranged in one end of reducing casing tube (2), for seal the end of reducing casing tube (2) to prevent
Only intraperitoneal gas leakage；
One end of guiding push rod, the guiding push rod takes object component to be placed in the end for taking object component across described, and the other end passes through
Seal cap (3) stretches out reducing casing tube (2), pushes guiding push rod, it is separate that guiding push rod can will take object component to take reducing casing tube (2) out of
One end of seal cap (3).
2. the load-engaging device according to claim 1 for laparoscopic surgery, which is characterized in that the reducing casing tube (2)
Smooth inclined-plane is set as far from the one end for being equipped with seal cap (3).
3. the load-engaging device according to claim 2 for laparoscopic surgery, which is characterized in that the reducing casing tube (2)
Including left drill holder (21) and right drill holder (22), the left drill holder (21) and right drill holder (22) are disposed as arc-shaped knot
Structure, the both sides of left drill holder (21) radial direction are stuck in the outside on the radial both sides of the right drill holder (22), the left drill holder
(21) it and is provided with multiple convex columns (212) on two contact surfaces of the right drill holder (22), the right drill holder (22)
It is offered arc-shaped through-hole (221) at upper position corresponding with the convex column (212), the convex column (212) is placed in logical
It can move back and forth in hole (221) and in through-hole (221) along the direction of right drill holder (22) circumference.
4. the load-engaging device according to claim 3 for laparoscopic surgery, which is characterized in that the left drill holder (21)
Axial length be less than the right drill holder (22) axial length.
5. being used for the load-engaging device of laparoscopic surgery according to claim 2,3 or 4, which is characterized in that described to take object group
Part includes the extraction bag (61) of both ends open and the sealing rope (62) for being set to the extraction bag (61) one end, the extraction bag
(61) be provided with sealing rope (62) one end be placed in the reducing casing tube (2) far from seal cap (3) one end end, the other end to
Outer inversion boot is equipped with the periphery of seal cap (3) one end end in reducing casing tube (2) and is compressed by seal cap (3), the guiding
One end of push rod passes through the extraction bag (61) and one end that extraction bag (61) are equipped with sealing rope (62) is extruded in itself and drill holder
It manages between (2), one end of the sealing rope (62) is used to tighten the sacks of the extraction bag (61), and the other end is from reducing casing tube
(2) one end equipped with sealing cover (3) is stretched out.
6. the load-engaging device according to claim 5 for laparoscopic surgery, which is characterized in that the guiding push rod includes
Guide cone (1) and push rod (5), the guide cone (1) are set as bullet-shaped structure, and the guide cone (1), which is placed in, described takes object
Bag (61) is provided with the end of sealing rope (62) one end and extraction bag (61) is extruded in guide cone (1) and the reducing casing tube
(2) between the end far from seal cap (3) one end, one end of the push rod (5) is fixedly connected with the guide cone (1), another
Reducing casing tube (2) are stretched out across seal cap (3) in end, and the push rod (5) is provided with handle far from the one end of guide cone (1), described
Handle is set as cirque structure.
7. the load-engaging device according to claim 6 for laparoscopic surgery, which is characterized in that the guide cone (1) with
The radial dimension of push rod (5) connecting pin is less than the radial dimension in the guide cone (1) middle position.
8. the load-engaging device according to claim 7 for laparoscopic surgery, which is characterized in that seal cap (3) packet
Sealed cap and sealing petal film (32) are included, the sealed cap includes upper bush (311), lower sleeve (313), inner sleeve
(312) and cover board (317), the cover board (317) are set as cirque structure, one end of the upper bush (311) and the lid
The periphery of plate (317) is seamlessly connected, and one end of the lower sleeve (313) and the inner circumferential of the cover board (317) are seamlessly connected, described
Upper bush (311) and the lower sleeve (313) are set to the two sides of the cover board (317), and the inner sleeve (312) is placed in described
In upper bush (311) and one end of inner sleeve (312) and the cover board (317) are seamlessly connected, the upper bush (311) and described
There are the gap for installing the reducing casing tube (2) between inner sleeve (312), the inner sleeve (312) and the cover board (317)
Connecting pin is arranged with seal washer (33), the sealing petal film (32) be placed in the inner sleeve (312) and with the cover board
(317) it connects, one end of the guiding push rod is placed in the extraction bag (61), and the other end sequentially passes through inner sleeve (312), close
It seals petal film (32), cover board (317) and lower sleeve (313) and stretches out reducing casing tube (2), the left drill holder (21) and right drill holder
(22) limiting slot (211) of " Z " type structure is provided on the outer surface of relative position, upper bush (311) inner surface is separate
It is provided with retention bead (316) on the relative position of cover board (317) one end, the retention bead (316) is installed on the limit
In slot (211).
9. the load-engaging device according to claim 8 for laparoscopic surgery, which is characterized in that it further include locking cap (4),
The lower sleeve (313) is provided with external screw thread close to the one end of the cover board (317), and the lower sleeve (313) is far from cover board
(317) one end offers multiple openings (314) along the axial direction of lower sleeve (313), and the lower sleeve (313) is provided with out
The end of mouth (314), which is provided with, locks convex (315), and described locking cap (4) one end is internally provided with and the lower sleeve (313)
The internal screw thread that external screw thread matches, locking cap (4) are screwed into the lower sleeve (313), a side pressure of the locking cap (4) far from internal screw thread
Push rod (5) and lower sleeve (313) are locked on the locking convex (315).
10. the load-engaging device according to claim 9 for laparoscopic surgery, which is characterized in that the extraction bag (61)
The periphery of one end is provided with the channel (63) penetrated for the sealing rope (62), and one end of the sealing rope (62) penetrates described logical
Road (63) is fixedly connected after mouth is pierced by with the sealing rope (62) of channel (63) outside by penetrating again, the other end of the sealing rope (62)
The outside of the reducing casing tube (2) and the seal cap (3) contact surface, the extraction bag are stretched out along the outside of extraction bag (61)
(61) radial dimension for being equipped with sealing rope (62) one end is greater than the radial dimension that extraction bag (61) do not set sealing rope (62) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113940711A (en) * | 2021-10-29 | 2022-01-18 | 上海理工大学 | Be applied to fixed establishment of special sample thing bag of getting of laparoscopic surgery |
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