CN107348974A - Wound retractor and sample bag assembly - Google Patents

Abstract

Present disclose provides wound retractor and sample bag assembly.The operation device of the disclosure includes wound retractor, and wound retractor has the specimen bag being attached to thereon.Wound retractor includes proximal ring, distal loop and the film extended therebetween.Specimen bag is attached on the distal loop of wound retractor.The kit utility of the disclosure includes operation device and Wound shield.When it is too big when the tissue specimen removed from patient and when being difficult to through otch or wound, Wound shield is introduced to the tube chamber of wound retractor.Then, by the tube chamber of such as scalpel or the mechanical device introducing Wound shield for morcelling device and the mechanical device can be manipulated near Wound shield, with break-up tissue sample without damaging specimen bag or wound retractor.The method for additionally providing the operation device and kit utility using the disclosure.

Description

Wound retractor and sample bag assembly

The cross reference of related application

This application claims the interests for No. 62/333,998 U.S. Provisional Patent Application submitted on May 10th, 2016 and Priority, the full content of the U.S. Provisional Patent Application are incorporated herein by reference.

Technical field

The disclosure relates generally to the hand used in the Minimally Invasive Surgery operation of such as endoscope and/or laparoscopic procedure Art device, and more specifically, this disclosure relates to for entering during these operations and gathering bodily tissue and/or the bag of body fluid Include the surgical apparatus of Wound shield and specimen taking-out bag component.

Background technology

The Minimally Invasive Surgery of such as ESS reduces the invasive of surgical operation.ESS is included for example in ovum Nest, uterus, gall-bladder, intestines, kidney, appendix etc. are observed and/or the operation by body wall of operation.There are many common endoscope hands Art operates, and names just a few, including arthroscopy, celioscopy, gastrocopy and laryngoscope bronchoscopy.In these behaviour In work, trochar is used to create a log assembly that otch, and ESS is carried out by otch.Trocar tube or Intubaction device extend to stomach wall In and stay in appropriate location to provide the path of endoscopic surgery instrument.Camera or endoscope are inserted by trochar to allow to body The visual inspection and amplification of chamber.Then, surgeon can by means of special apparatus (such as pliers, grasper, cutter, Applicator etc.) in operative site operation is diagnosed and/or is treated, these special apparatuses are designed to by other intubation To install.In order to protect opening to be penetrated from the accident of operating theater instruments, wound retractor and Wound protection device are generally placed as horizontal stroke Cross opening.

When removing some tissues from the body cavity (such as tumor tissues), it is important that tumor tissues not with it is healthy or unrelated Tissue contact, to avoid shifting by this way and to avoid patient harm.However, when bulky tumors or bulk tissue must When must be removed from body cavity, Minimally Invasive Surgery operation may be restricted.If tumor tissues or tissue part must be removed, it Can be introduced into " bag for extracting " (referred to herein as from the position of surrounding tissue separation in tumour or pathological tissues " specimen bag ") in, specimen bag is generally drawn back by trochar or similar device from vivo, thus makes illing tissue and health tissues Contact minimize.

In some cases, depending on the volume of tissue removed from body, tissue in specimen bag must be from body Decomposed before removing, to allow specimen bag and its content to pass through the opening for being used for performing endoscopic procedure.

Improved wound retractor and specimen bag for being used in being operated in Minimally Invasive Surgery are still desired.

The content of the invention

The disclosure is directed to the operation device and kit utility for being used for being used in Minimally Invasive Surgery.Operation device is led including wound Device is driven, it has the specimen bag being attached to thereon, for illing tissue to be placed in specimen bag.In embodiment, the disclosure Kit utility include operation device and for from body remove tissue before aid in break-up tissue Wound shield.

The kit utility of the disclosure includes the wound retractor and sample bag assembly combined with Wound shield.Wound retractor And sample bag assembly includes proximal ring, distal loop, the film being arranged between proximal ring and distal loop and is attached to wound traction The specimen bag of the distal loop of device.

In embodiment, the proximal ring of wound retractor limits generally circular opening and is deformable.Class As, the distal loop of wound retractor can also limit generally circular opening and be deformable.

In certain embodiments, the film of wound retractor limits the adjustable length between proximal ring and distal loop.

In certain embodiments, specimen bag is attached to by the method for such as adhesive bonding, welding, heat-sealing and combinations thereof On the distal loop of wound retractor.

In certain embodiments, proximal ring, distal loop or the two on there is tether.

In embodiment, Wound shield includes limiting the distal portion of automatic adjustment opening, limits automatic adjustment opening Proximal portion and the tube chamber being limited between the distal portion and the proximal portion slender axles.

In certain embodiments, Wound shield has anchoring balloon, and it, which is inflated to Wound shield being anchored on body, opens In mouthful.

In embodiment, the kit utility of the disclosure also includes grabbing with remove it from specimen bag for promptly tissue Tight element.

In certain embodiments, the kit utility of the disclosure also includes being used to divide when removing tissue from the specimen bag Solve the device of the tissue.Suitable device when removing tissue from the specimen bag for break-up tissue includes dissection Knife, morcel device, knife and/or combinations thereof.

In embodiment, disclosed method includes, and will have proximal ring, distal loop, be arranged on proximal ring and distal loop Between film and be attached to the distal loop specimen bag wound retractor and sample bag assembly inserted by body opening Into body cavity, the wound retractor and sample bag assembly are introduced into the body opening.Then tissue specimen is passed through by creating The opening that the proximal ring, the film and the distal loop of mouth retractor are limited enters in specimen bag, hereafter will be described near Side ring is removed by the body opening from the body cavity so that the neighbouring tissue for surrounding the body opening of the film.Draw The proximal ring is moved away from the distal loop so that the inner surface of the distal loop and the tissue around the body opening It is adjacent, and the proximal ring is rolled around its own so that the film is rolled around the proximal ring so that the nearside The outer surface of ring and the tissue is adjacent.Then the Wound shield is introduced into the body opening by the proximal ring, And the tissue specimen is removed from the specimen bag.

In embodiment, disclosed method further comprises rolling the proximal ring to retract the otch and make described Proximal ring and the outer surface of the tissue abut.

In certain embodiments, disclosed method further comprises making the anchoring balloon on the Wound shield swollen It is swollen so that the Wound shield is anchored in the body opening.

In certain embodiments, disclosed method further comprises drawing the gripping element by the hood for wound Enter into the specimen bag and promptly tissue specimen therein, and being removed by the tissue specimen from the specimen bag When, when passing through the Wound shield with the tissue specimen and decompose the tissue specimen, described firmly grasp is pulled to nearside Element.

In other embodiments, disclosed method further comprises removing the tissue specimen from the specimen bag The tissue specimen is decomposed before.When removing the tissue specimen from the specimen bag, as the tissue specimen passes through The Wound shield and decompose the tissue specimen include mechanically decompose the tissue specimen.

Brief description of the drawings

The wound retractor of the disclosure and the various embodiments of sample bag assembly are described herein with reference to accompanying drawing, its In：

Fig. 1 is the part of the kit utility of the exemplary embodiment of the wound retractor and sample bag assembly that include the disclosure Perspective view；

Fig. 2 is the perspective view of the specimen bag and wound retractor component shown in Fig. 1；

Fig. 3 is the sectional view for the patient body for showing wound, otch and the tissue specimen for the treatment of to remove from body cavity；

Fig. 4 A be show by otch from body cavity part remove wound retractor in Fig. 2 and sample bag assembly it is local thoroughly Depending on sectional view；

Fig. 4 B are that the body cavity shown in Fig. 2 is interior with treating that is taken out from body cavity organizes adjacent wound retractor and specimen bag The perspective view of component；

Fig. 5 is the wound retractor shown in Fig. 2 and the otch in sample bag assembly insertion tissue and specimen bag is located at Endoceliac perspective view；

Fig. 6 is that wound retractor shown in Fig. 2 and sample bag assembly are led in Wound shield and operating theater instruments by wound Open the partial perspective sectional view in the state of device is inserted into specimen bag；And

Fig. 7 is wound retractor and sample the bag assembly Wound shield when taking out tissue from specimen bag shown in Fig. 2 Perspective view in the state of being inserted with operating theater instruments in specimen bag.

Embodiment

Present disclose provides a kind of wound retractor and sample bag assembly for being used in Minimally Invasive Surgery operation use.With reference to The disclosure, as used in this, Minimally Invasive Surgery operation include laparoscopic procedure and endoscopic procedure, and relate to the use of and having The operation of small otch in the scope or similar device or skin of the operative segment of relative narrowness.

The scheme of the disclosure can be modified to be used for during Minimally Invasive Surgery operation (sometimes herein called Micro-operation) Taking-up tissue specimen various methods.The example of Micro-operation includes such as cholecystectomy, appendectomy, the nephrectomy Art, colectomy, splenectomy etc..

As used herein, term distal side refer to include the wound retractor of the present invention and the surgical device of specimen bag from making The farthest part of user, and term nearside refers to the part closest to user of the surgical apparatus of the disclosure.

The wound retractor and sample bag assembly of the disclosure include the wound retractor for being attached with specimen bag thereon.Wound is led Opening device part includes the shroud member with least two rings, including proximal ring and distal loop, with extending between two rings Film.Specimen bag part is attached on the distal loop of wound retractor.In use, whole operation device through otch and is placed In body cavity, and in embodiment be referred to as " tissue specimen " will from body cavity remove tissue through wound retractor part simultaneously It is placed in specimen bag.Then the proximal ring of wound retractor part is removed from body cavity, and be placed as and neighbouring otch Body outside skin it is adjoining, the distal loop and specimen bag of shroud member are maintained in body so that film, which extends through, to be cut Mouthful to the internal and neighbouring tissue for surrounding otch.The wound retractor and sample bag assembly of the disclosure are suitable for such as in minimally invasive behaviour Entrance in work like that to body interior is limited to use in any operation of one or more relatively small otch.

The kit utility of the disclosure includes both above-mentioned wound retractor and sample bag assembly and substantially rigid Wound shield.When removing tissue from specimen bag, Wound shield is carrying out group using scalpel or some other equipment of morcelling Knit and the component and patient are protected during morcelling.

Embodiment of the disclosure is described in detail referring now to accompanying drawing, wherein the phase in each width of some views With reference expression is identical or corresponding element.In the following description, known function or structure are not described in detail, with Unnecessary details is avoided to obscure the disclosure.

Fig. 1 shows the kit utility of the disclosure, and it includes the wound retractor and sample bag assembly 10 according to the disclosure. Wound retractor and sample bag assembly 10 include wound retractor 100 and specimen bag 200.The kit utility of the disclosure also includes wound Mouth shield 300.

Wound retractor and sample bag assembly 10 including wound retractor 100 and specimen bag 200 are suitable to pass through otch " I " It is inserted into wound " W " (as shown in Figure 2).Otch " I " can be the single otch for example by belly or peritonaeum, or naturally deposit Hole (i.e. mouth, anus or vagina).

Referring now still to Fig. 2, wound retractor 100 include proximal ring 120, distal loop 140 and be disposed there between substantially in circle The film 130 of cylindricality.Wound retractor and sample bag assembly 10 are further defined by proximal ring 120, distal loop 140 and film 130 and mark This bag 200 shared longitudinal axis " L ".It is contemplated that proximal ring 120 and distal loop 140 can be for example, by bonding, suturing, arteries and veins Punching welding, any mode chemically or mechanically in the range of the those skilled in the art such as combination, secondary forming process are distinguished removable Couple or be permanently attached to the proximal portion 132 and distal portion 134 of film 130 with unloading.In certain embodiments, proximal ring 120, film 130 and distal loop 140 be integrally formed one so that wound retractor 100 is overall structure.Film 130 is attached to ring 120th, 140 can be continuous around ring 120,140, or can be discontinuous, as long as ring 120,140 is adequately secured to film 130 to allow film 130 to be rolled as described below around proximal ring 12.

As described above, proximal ring 120 and distal loop 140 are axially aligned along longitudinal axis " L ", film 130 is arranged on them Between.Proximal ring 120 have automatic adjustment construction, its limit circular open 122 (referring to Fig. 1) and be it is rotatable, Proximal ring 120 is rolled along longitudinal axis " L " towards or away from distal loop 140, this causes film 130 to surround proximal ring 120 are rolled-up or deploy.Distal loop 140 also has the construction for the automatic adjustment for limiting automatic adjustment opening (not shown).

It is contemplated that proximal ring 120 and distal loop 140 can be made up of elastomeric material so that by wound retractor 100 It is inserted through the construction that proximal ring 120 and distal loop 140 can be using temporary distortions as generally Long Circle during otch " I ", and The construction of automatic adjustment is returned to during use.For example, with titleThe thermoplastic polyurethane tool of sale There are flexibility and extensive hardness.For example, proximal ring 120 can be by2363-80A、 2363-90A、2363/80A and2363-90A 50/50 composition or this area Known any substitute is made.For example, distal loop 140 can be by for minimum and small size2363- 90A, for medium and large-sized2363-55D, for large-sized2363-90A WithAny substitute in the range of 2363-55D 50/50 composition or those skilled in the art is made. Proximal ring 120 and distal loop 140 can be made up of identical or different material.

Film 130 is defined to the shape of generic cylindrical to form tube chamber between proximal ring 120 and distal loop 140.Closely Film 130 is maintained at expansion state to keep tube chamber to be in non-collapsed shape by the circular structure of side ring 120 and distal loop 140 respectively State.Film 130 is connected to proximal ring 120 at proximal portion 132 and distal loop 140 is connected at distal portion 134 so that film 130 will not slide or move relative to the surface of proximal ring 120 or distal loop 140.Film 130 can be by the transparent of such as polyurethane Non-elastic material be made.Or, it is contemplated that film 130 can be by including the various materials of opaque material and transparent material Formed.

Length " X " between proximal ring 120 and distal loop 140 is adjustable.More specifically, can be by by proximal ring 120 roll towards distal loop 140 to make film 130 be rolled around proximal ring 120 to reduce length " X ".Similarly, can pass through by Proximal ring 120 rolls away from distal loop 140 deploys film 130 to increase length " X " around proximal ring 120 from it.As above institute State, with proximal ring 120, distad ring 140 is rolled or rolled away from distal loop 140, and film 130 is rolled or opened up around proximal ring 120 Open.It will be appreciated that when film 130 is rolled around proximal ring 120, the length " X " of film 130 reduces, therefore proximal ring 120 and distal side Tension force in film between ring 140 increases to provide radially outer power in otch " I ".

It is contemplated that wound retractor 100 can have various sizes to mate properly into and adapt to a range of cut Mouth diameter.For example, for minimum wound retractor, the external diameter of proximal ring 120 and distal loop 140 may be about 2.5 inches；It is right In small wound retractor, the external diameter of proximal ring 120 and distal loop 140 may be about 3.9 inches；Led for medium sized wound Drive device, the external diameter of proximal ring 120 and distal loop 140 may be about 5.1 inches；For big wound retractor, proximal ring 120 and remote The external diameter of side ring 140 may be about 7.5 inches；And for super large wound retractor, proximal ring 120 and distal loop 140 it is outer Footpath may be about 9.4 inches.

The specimen bag of the disclosure is made up of the flexibility in the range of those skilled in the art and durable material, in embodiment For polymeric material.Specimen bag is expandable and can allow for surgeon cutter device to be introduced into specimen bag to reduce it In tissue specimen size, be thus easy to by specimen bag from body remove.Material for forming specimen bag be it is anlistatig, It is pyrogen-free, avirulent and can sterilize., can for forming the material of film part of above-mentioned wound retractor in embodiment For forming specimen bag.In other embodiments, specimen bag is by different from the material of the film for forming wound retractor Material is formed.Specimen bag can be opaque or transparent.

As shown in Fig. 2 specimen bag 200 can be by the method in the range of those skilled in the art in the distal side of film 130 The distal loop 140 of wound retractor is joined at portion 134, methods described is including but not limited to glued, welded, sealing and it Combination etc..Or in the embodiment of identical material, specimen bag 200 can be integrally formed with film 130.

Proximal ring 120 and distal loop 140 can be from the constructions in a substantially circular configuration for collapsing to generally Long Circle (not Show), to be inserted through otch " I " together with specimen bag 200.More specifically, when doctor radially-inwardly extrudes proximal ring 120 and distal loop 140 opposite side when, the opening of the automatic adjustment of proximal ring 120 and distal loop 140 is from automatic adjustment Structural deformation causes proximal ring 120 and distal loop 140 that smaller profile is presented for the construction (not shown) of generally Long Circle, with It is convenient to be inserted through otch " I ".Once insertion, doctor discharges proximal ring 120 and distal loop 140, and the elasticity rush of material Proximal ring 120 and distal loop 140 is set to tend to the construction of their substantial circular.

In embodiment, the tissue specimen " T " in specimen bag 200 is too big and cannot pass through the feelings of wound retractor 100 Under condition, it may be necessary to scalpel, device or similar device break-up tissue are morcelled, in order to remove tissue mark from specimen bag 200 This " T ".As used herein, term is morcelled device and referred to for will organize to cut, shred, liquefy or morcel into the surgery device of smaller piece Tool.It should be noted that specimen bag is not damaged, to prevent removed tissue from entering the body cavity in such as abdominal cavity.Therefore, in embodiment, carry Wound retractor and sample bag assembly and patient are protected with the period of morcelling in tissue specimen " T " for Wound shield 300.

The kit utility (Fig. 1) of the disclosure includes Wound shield 300.Wound shield 300, which has, limits the elongated of tube chamber 314 Body 310.Slender bodies 310 has the distal portion 312 for limiting automatic adjustment opening and the proximal portion for limiting automatic adjustment opening 316。

Wound shield 300 can be formed by hard, rigid material.For example, the suitable material for forming Wound shield 300 Including：Polyolefin, such as polyethylene (including ultra-high molecular weight polyethylene) and including atactic, isotactic, same The polypropylene of vertical structure, and their mixture；Polyethylene glycol (PEG)；PEO；Polyethylene and polyacrylic copolymerization Thing；Polyisobutene and ethylene-alpha-olefin copolymer；Fluorine-containing polyolefin, such as PVF, fluoropropene, fluoro-PEG and polytetrafluoroethyl-ne Alkene；Polyamide；Polyamine；Polyamines；Polyester, such as polyethylene terephthalate, PEN, gather to benzene two Formic acid propylene glycol ester and polybutylene terephthalate (PBT)；Polyethers；Polybutester；Polytetramethylene ether diol；1,4- butanediols； Polyurethane；Acrylate copolymer；Methacrylic；Vinyl halide polymer and copolymer, such as polyvinyl chloride；Polyethylene Alcohol；Polyvinylether, such as polyvinyl methyl ether；Polyvinylidene halide (polyvinylidene halides), such as poly- inclined two PVF and polyvinylidene chloride；Polychlorostyrene PVF；Polyacrylonitrile；PAEK；Polyethylene ketone；Polyvinyl arene, such as Polystyrene；Polyvinylesters, such as polyvinyl acetate；Vinyl monomer each other and alkene copolymer, such as second Alkene-methylmethacrylate copolymer；Acrylonitritrile-styrene resin；Acrylonitrile-butadiene-styrene resin；Ethene-second Vinyl acetate copolymer；Alkyd resin；Makrolon；Polyformaldehyde；Polyphosphazene；Polyimides；Epoxy resin；Aromatic polyamides； Silicone；And their copolymer and composition.

Wound shield 300 also has the grappling ball for being used for introducing charge air conditioning at the distal portion 312 of slender axles 310 The inflation port 320 of capsule 330.Anchoring balloon 330 can be inflated to the distal portion 312 of Wound shield 300 being fixed on body cavity It is interior.

Anchoring balloon 330 at the distal portion 312 of the slender axles 310 of Wound shield 300 can use syringe, machinery Or manually operated pump or other instruments are filled with such as salt solution, CO₂Or any medical grade fluid of other any suitable fluids. For alloing the inflation port 320 that anchoring balloon 330 expands with check valve, check-valves or for expanding anchoring balloon 330 Any other valve gear be used together.

Method with reference to figure 3- Fig. 7 by description according to the operation equipment 10 of the disclosure.As shown in Fig. 3-Fig. 4 B, in order to Into the tissue specimen " T " (Fig. 3) in body cavity " BC ", surgeon makes the He of proximal ring 120 of wound retractor 100 first Distal loop 140 collapses and is deformed into the Long Circle construction (Fig. 4 A) for being inserted into by otch " I " in wound " W ".Once put Wound retractor 100 and specimen bag 200 are put by otch " I ", and proximal ring 120 and distal loop 140 are released, then proximal ring 120 and distal loop 140 recover the construction of their automatic adjustment so that the neighbouring group for treating to remove from body cavity of surgical apparatus 10 Knit sample " T " (Fig. 4 B).Then, surgeon can be incited somebody to action by using pincers, grasper or any other suitable medical treatment device Tissue specimen " T " is incorporated into specimen bag 200 by proximal ring 120, film 130 and distal loop 140.

Once tissue specimen " T " has been introduced in specimen bag 200, surgeon is then using pincers, grasper or similar Apparatus collapses proximal ring 120 and deformed, and is drawn back proximal ring 120 by otch " I ".In other embodiments, nearside There is tether (not shown), it can be pulled from surgeon to nearside, and proximal ring 120 is taken out from body cavity " BC " on ring 120 Go out.As shown in Figure 4 A, surgeon can pull proximal ring 120 (by Fig. 4 A after sample " T " is located in specimen bag 200 Arrow " A " instruction) with from otch " I " remove proximal ring 120.

As shown in figure 5, proximal ring 120 is removed by otch " I " from body cavity so that it is placed in neighbouring otch " I " In outer skin 4, and surgeon adjusts film 130 and proximal ring 120, such as pulls proximal ring 120 to nearside with tensioning film 130 so that the inner surface 8 of distal loop 140 and wound " W " abuts.Distal loop 140 is positioned adjacent to the inner surface 8 of wound " W ", And return to the construction of its automatic adjustment so that the opening of the automatic adjustment of distal loop 140 surrounds the interior table of wound " W " Face 8 (Fig. 5).

When the inner surface 8 of distal loop 140 and wound " W " abuts, proximal ring 120 is towards distal loop 140 and wound " W " Outer surface 4 is distad rolled to desired position so that film 130 is rolled (not shown) and be thus tensioned around proximal ring 120.

With reference to figure 6, once wound retractor 100 and specimen bag 200 are in place, operation tool and apparatus can be led through wound Drive device 100, the inner surface 8 of wherein distal loop 140 and wound " W " abuts, and proximal ring 120 be rolled to desired position and/ Or abut the outer surface 4 of itself and wound " W ".Wound retractor 100 can be further tensioned to provide otch " I " traction, Increase arteriotomy diameter.

It can not be removed if the tissue specimen " T " in specimen bag is too big by otch, Wound shield 300 can pass through wound Mouth retractor 100 introduces (Fig. 6).Charge air conditioning is introduced so that anchoring balloon by the inflation port 320 on Wound shield 300 330 expansions, the distal portion 312 of Wound shield 300 is fixed in body cavity " BC ".In embodiment, also pass through Wound shield 300 introduce charge air conditioning (not shown) so that specimen bag 200 expands.

In unshowned other embodiments, Wound shield 300 can be with including the hand of wound retractor as described herein Art equipment is used together, but is the absence of being attached to the specimen bag on wound retractor.

Referring briefly to Fig. 5, Wound shield 300 is introduced by the tube chamber 314 of wound retractor 100.Fig. 5 also describes to be in The anchoring balloon 330 of swelling state, is thus anchored on wound site by Wound shield 300.

As shown in Figure 6 and Figure 7, pincers 500 or any other grasp device can enter sample then across Wound shield 300 Bag 200 and promptly tissue specimen " T " therein.

Anchoring balloon 330 on Wound shield 300 contributes to steady during tissue specimen " T " is removed from specimen bag 200 Determine tissue specimen " T ".When pincers 500 are drawn proximally (arrow " Z " represents in by Fig. 6 and Fig. 7) to be removed from specimen bag 200 During tissue specimen " T ", tissue specimen " T " is proximally through Wound shield 300.Wound is cannot pass through when tissue specimen " T " is too big During the degree of the tube chamber 314 of mouth shield 300, the rigid, hard material for forming Wound shield 300 allows use to morcel device, solution Cut open cutter, scalpel or similar device carry out break-up tissue sample " T ", without damaging wound retractor 100 and/or surrounding otch " I " Any bodily tissue.As illustrated, when removing tissue specimen " T " from specimen bag 200, Wound shield 300 can be passed through Scalpel 600 is introduced with break-up tissue sample " T ".

So as to which the cut portion of tissue specimen " T " can pass through Wound shield as it is removed from specimen bag 200 300 slender axles 310.In embodiment, if tissue specimen " T " to be removed is separated and when tissue specimen " T " is cut When cutting, its part is retained in specimen bag 200, then surgeon can catch the tissue that those are added with pincers or other graspers Block, and/or using vacuum source with any nubbin of the removal tissue specimen " T " from specimen bag 200.In other implementations In example, the volume of the tissue specimen " T " in specimen bag 200 and any fluid from tissue specimen " T " can be reduced to mark Any remaining tissue and/or fluid in this bag 200 can further be morcelled through otch " I " without any.

In unshowned other embodiments, power morcels device can be with the wound retractor and sample bag assembly of the disclosure 10 are used together.

Once sufficient amount of tissue specimen " T " is removed from specimen bag 200 passes through otch in order to remove specimen bag 200 " I ", then extract any charge air conditioning out from anchoring balloon 330.Then surgeon is made using pincers, grasper or similar apparatus Distal loop 140 is collapsed and deformed, and distal loop 140 and specimen bag 200 are drawn back into by otch " I ".In other embodiments, Distal loop 140 has tether (not shown) thereon, and it can be pulled with by distal loop 140 and specimen bag from surgeon to nearside 200 remove from body cavity " BC ".

After specimen bag 200 is removed, wherein remaining any tissue can be taken out from specimen bag 200 and is used for further Check, or specimen bag 200 can be abandoned.

The specimen bag of the disclosure provides safe tissue extraction at the end of Minimally Invasive Surgery operates.It can suffer from from internal remove Diseased tissues, without the histocyte being scattered under being spread in belly.Wound retractor/the specimen bag and above-mentioned wound of the disclosure The design of shield allows surgeon's break-up tissue without tearing specimen bag and organising content thing may be released back into patient In vivo.It is further contemplated that the application method of the specimen bag of the disclosure can be changed to adapt to the needs and/or surgery of given operation The preference of doctor.It is further contemplated that embodiment disclosed herein can be used for from removing any tissue or object in vivo.

It should be appreciated that various modifications can be carried out to embodiment disclosed herein.It is, for example, possible to use it is used for the disclosure Specimen bag introduce patient's body other methods.In addition it is possible to use other sample bag shapes.In addition, there are various implementations The term of the similar assembly of example is not necessarily to be construed as being directed to any specific embodiment.Therefore, foregoing description, which should not be construed, is limited Property processed, and the only example of preferred embodiment.Those skilled in the art will be expected in scope of the following claims and essence Other modifications in god.

Claims (17)

1. a kind of kit utility, including：

Wound retractor and sample bag assembly, it includes：

Proximal ring,

Distal loop,

Film, it is arranged between the proximal ring and the distal loop, and

Specimen bag, it is attached to the distal loop of the wound retractor；And

Wound shield.

2. kit utility according to claim 1, generally justify wherein the proximal ring of the wound retractor limits Shape is open and can deformed.

3. kit utility according to claim 1, generally justify wherein the distal loop of the wound retractor limits Shape is open and can deformed.

4. kit utility according to claim 1, wherein the film of the wound retractor limit the proximal ring and The length that can be adjusted between the distal loop.

5. kit utility according to claim 1, wherein the specimen bag by by be glued, weld, seal and they Combine the method selected in formed group and be attached to the distal loop of the wound retractor.

6. kit utility according to claim 1, wherein, there is tether in the proximal ring or the distal loop, or All there is tether in the proximal ring and the distal loop.

7. kit utility according to claim 1, wherein the Wound shield includes limiting the remote of automatic adjustment opening Sidepiece, the proximal portion for limiting automatic adjustment opening and limit the elongated of tube chamber between the distal portion and the proximal portion Axle.

8. kit utility according to claim 1, wherein the Wound shield has anchoring balloon, the anchoring balloon quilt Expand so that the Wound shield is fixed in body opening.

9. kit utility according to claim 1, in addition to for promptly tissue so that it to be removed from the specimen bag Gripping element.

10. kit utility according to claim 1, in addition to when removing tissue from the specimen bag for decomposing group The device knitted.

11. kit utility according to claim 10, wherein, the device for break-up tissue from by scalpel, point Selected in the group that millstone, scalpel and combinations thereof are formed.

12. a kind of method, it includes：

With proximal ring, distal loop, the film being arranged between the proximal ring and the distal loop and it will be attached to described remote The wound retractor and sample bag assembly of the specimen bag of side ring are inserted into body cavity by body opening；

Tissue specimen is passed through to the opening limited by the proximal ring of the wound retractor, the film and the distal loop Into in specimen bag；

The proximal ring is removed by the body opening from the body cavity so that the neighbouring encirclement body of the film is opened The tissue of mouth；

The proximal ring is pulled away from the distal loop so that the distal loop and the tissue around the body opening Inner surface is adjacent；

By the proximal ring around its own roll so that the film rolled around the proximal ring so that the proximal ring with it is described The outer surface of tissue is adjacent；

The Wound shield is introduced into the body opening by the proximal ring；And

The tissue specimen is removed from the specimen bag.

13. according to the method for claim 12, further comprise rolling the proximal ring to retract the otch and make institute State proximal ring and the outer surface of the tissue abuts.

14. according to the method for claim 12, further comprise making the anchoring balloon on the Wound shield to expand So that the Wound shield is anchored in the body opening.

15. according to the method for claim 12, further comprise：

The gripping element is incorporated into the specimen bag by the hood for wound and the promptly tissue specimen therein；

When the tissue specimen is removed from the specimen bag, when with the tissue specimen through the Wound shield and When decomposing the tissue specimen, the gripping element is pulled to nearside.

16. according to the method for claim 12, further comprise removed from the specimen bag tissue specimen it It is preceding to decompose the tissue specimen.

17. according to the method for claim 16, wherein when removing the tissue specimen from the specimen bag, with institute State tissue specimen and decompose the tissue specimen including mechanically decomposing the tissue through the Wound shield.