Disposable tissue retraction folder
Technical field
This utility model is related to a kind of tissue retraction folder, leads particularly to a kind of disposable tissue being not take up minimally invasive duct
Drive folder.
Background technology
In minimal invasive surgical procedures, surgical field of view is often subject to the impact of the tissues such as organ, muscle, cartilage.Tradition
Method is that the posture changing sufferer by mobile sufferer obtains more preferable surgical field of view, but the inconvenience for doctor of this method
Profit it is also possible to cause bigger wound to sufferer.
Therefore, in order to obtain more preferable surgical field of view in operation process and increase the safety of operation, many organize
The traction of internal organs, separation, fixing apparatus are developed.
Chinese patent literature cn201120103023 provides a kind of SANYE fan-shaped forceps, and including a main body, this main body is in pincers
Shape.This body head is two panels distraction forcep page and a piece of fixation clamps leaf, and there is a chute three pincers page bottoms.This three blades
Overlapping terminal ends and link pin.Link pin is connected with flexible handle by pull bar, detains handle just permissible during use
Allow and clamp page fanning.Just organ can be stirred afterwards using fan-shaped forceps page, optimize visual area.Really permissible using this apparatus
Push tissue or organ aside to expose visual area, but this apparatus yet suffers from several important defects.In Minimally Invasive Surgery, in order to
Reduce the pain of injury of patient, minimally invasive duct quantity should be more few better.And when using this apparatus, need to apply by minimally invasive duct
Pincers.If remaining a need for being fixed after mobile tissue or organ, need to allow this apparatus stay in human body, this will take one minimally invasive
Duct.And, in this case, operation will need an extra assistant to operate and to fix this apparatus.And this device
Tool is to be made by the material of non-disposable use, and it controls the body fluid being easy to residual sufferer in the hole of frame for movement of pincers page
And tissue, need after surgery carefully to clean and sterilize.Therefore, Minimally Invasive Surgery is retracted fixing human group using this apparatus
Knitting with organ is apparently not optimal scheme.
Chinese patent literature cn201180060562 provides a kind of trailer system for laparoscopic surgery, and it is mainly tied
Structure has the abdominal wall retainer being fixed on stomach wall and connected traction fiber control unit.Abdominal wall retainer is located at outside stomach wall,
Traction fiber control unit then enters abdominal cavity by operation mouth.One needle bar is had on abdominal wall retainer, by stomach wall and Intraabdominal traction fiber
Control unit connects.Traction fiber is fixed on traction fiber control unit, and length can be adjusted.Traction fiber end can connect a traction
Net, the traction fiber of more than two is simultaneously connected on Traction networks.Although this device solves retractor during use and takies hole
The problem in road, but comparatively laborious during the assembling of this device, more operating time can be taken, indirectly also increase the difficulty of operation
Degree.
Now, Minimally Invasive Surgery is advocated and is reduced the minimally invasive number of channels slight illness postoperative to reduce patient, as the minimally invasive handss of one channel
Art can be significantly reduced the postoperative pain of injury of patient.
It is accordingly required in particular to a kind of disposable tissue retraction folder, minimally invasive duct can be not take up, can effectively retract simultaneously again
Fixing human tissue or organ exposing visual area, to solve above-mentioned existing problem.
Utility model content
The purpose of this utility model is to provide a kind of disposable tissue retraction folder, for the deficiencies in the prior art, not
In the case of taking minimally invasive duct, can effectively retract and fixing human tissue, and not need to take doctor's both hands.
The technical problem that this utility model is solved can employ the following technical solutions to realize:
A kind of disposable tissue retraction folder is it is characterised in that it includes a pair of tissue folder, tubular shell and Handheld Division, institute
State tubular shell to interconnect with described Handheld Division, described Handheld Division is provided with before and after a control tissue is clipped in tubular shell
The drive mechanism of movement, the front end of described drive mechanism is connected with a hook, and described hook can lean out described tubular shell and hook
The tail end of tissue folder is stated in residence, and the chuck of described tissue folder is in clamped condition under natural resiliency effect.
In an embodiment of the present utility model, described Handheld Division is provided with a guide-track groove, described drive mechanism bag
Include a button and a connecting rod, described button is arranged on described guide-track groove and can be along guide-track groove slide anteroposterior, described connecting rod
It is arranged on described Handheld Division inside and connects described button and described hook respectively, described button drives institute by described connecting rod
State hook movable in described tubular shell.
In an embodiment of the present utility model, described drive mechanism includes a swing roller and a tooth bar, described rotation
Tumbler wheel is arranged on described Handheld Division, described tooth bar be arranged on described Handheld Division internal and connect respectively described swing roller and
Described hook, described swing roller is movable in described tubular shell by hook described in described rack drives.
Further, described guide-track groove side is provided with mark, to show that hook leans out or withdraw tubular shell, and tissue
Folder is in and opens or closure state.
In an embodiment of the present utility model, described tubular shell is transparent polymer polymerizable material, described pipe
The internal diameter of shape housing is less than the width of described tissue folder naturalness.
In an embodiment of the present utility model, described tissue folder includes clip body, and described clip body front end sets
It is equipped with chuck, the tail end of described clip body is provided with jig arm, and the bottom of described clip body is provided with connecting hole.
Further, described jig arm is provided with eyelid covering.
Further, the uniform wall thickness of described clip body, its thickness is 0.5-2mm.
Further, the rear-end angle of described jig arm is 25 ° -75 °.
In an embodiment of the present utility model, described tissue presss from both sides by but is not limited to elastic metallic, shape memory
The resilient material of tool of alloy and elastic polymer material is constituted.
In an embodiment of the present utility model, interconnected by traction piece between described tissue folder, described traction
Part is connected with tissue folder by the connecting hole of tissue folder tail end, and described traction piece is rigidity or has resilient material structure
Become.
Further, described traction piece includes but is not limited to pull rope, spring and rope.
Further, described pull rope is provided with the knot of an adjustment length.
The principle of disposable tissue retraction folder of the present utility model is as follows:
Before use, first tissue folder is hooked in tubular shell so as to be in receiving state (as Fig. 2) by hook.?
When needing to retract histoorgan in operation, tubular shell is entered abdominal cavity of patients by Minimally Invasive Surgery duct.By drive mechanism
Hook is controlled to draw tissue folder so as to slowly lean out tubular shell, the chuck of tissue folder assumes open configuration (see figure 3), this
When tissue folder be in preparation gripping state.Now chuck near destination organization and is continued to press on drive mechanism, tissue folder will be whole
Individual leave tubular shell, rely on natural resiliency to recover naturalness (as Fig. 4), chuck closes occlusion destination organization and realizes gripping.
Continuing to press on drive mechanism will make another tissue folder also lean out tubular shell and open.Now tubular shell can be moved simultaneously
Folder gripping will be organized in place (as stomach wall) using same method.Pass through afterwards to adjust lead between two tissue folders
The length of part is adjusting the position of tissue retraction fixing.Just tubular shell can be taken out abdominal cavity afterwards, continue operation.
Disposable tissue retraction folder of the present utility model has the advantage that
(1) there is disposable, reuse of need not sterilizing;
(2) after tissue is clamping calmly, tubular shell can be taken out, be not take up puncturing duct;
(3) after traction and fixing organization or organ, if feel dissatisfied can be reached by adjusting traction piece
Length or mobile tissue folder position are very convenient to adjust tissue or organ site, adjustment;
(4) use when need not be extra personnel, after latched position patient just may return to operation in, without manpower
Maintain the position that tissue or organ retract.
Disposable tissue retraction folder of the present utility model, compared with prior art, in the case of being not take up minimally invasive duct,
Can effectively retract and fixing human tissue, and not need to take doctor's both hands, reduce minimally invasive number of channels to reduce patient's art
Slight illness afterwards, structure is simple, very convenient, realizes the purpose of this utility model.
Feature of the present utility model see the detailed description of this case schema and following preferable embodiment and obtains clear
Ground understands.
Brief description
Fig. 1 is the schematic diagram that disposable tissue retraction of the present utility model presss from both sides working condition;
Fig. 2 is the schematic diagram that disposable tissue retraction of the present utility model presss from both sides receiving state;
Fig. 3 is the schematic diagram that disposable tissue retraction folder of the present utility model prepares gripping state;
Fig. 4 is the structural representation of tissue folder of the present utility model;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the side view of Fig. 4.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that this utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
Embodiment
As shown in Figures 2 and 3, disposable tissue retraction folder of the present utility model, it include tissue folder 10, organize folder 20,
Tubular shell 30 and Handheld Division 40, tubular shell 30 is interconnected with Handheld Division 40, and Handheld Division 40 is provided with a drive mechanism
50, drive mechanism 50 controls tissue folder 10 and organizes folder 20 movable in tubular shell 30, and the front end of drive mechanism 50 is even
It is connected to a hook 60, hook 60 can lean out described tubular shell 30 and catch on tissue folder 10 and the tail end of tissue folder 20, tissue folder
10 and tissue folder 20 chuck natural resiliency effect under be in clamped condition.
One guide-track groove 41 is provided with Handheld Division 40, drive mechanism 50 includes a button 51 and a connecting rod, and (in figure is not
Show), button 51 is arranged on guide-track groove 41 and can be arranged on Handheld Division along guide-track groove 41 slide anteroposterior, connecting rod (not shown)
40 inside simultaneously connect button 51 and hook 60 respectively, and button 51 drives hook 60 in tubular shell by connecting rod (not shown)
Movable in 30.
Similarly, button 51 and connecting rod could alternatively be swing roller and tooth bar, and described swing roller is arranged on hand-held
In portion 40, described tooth bar is arranged on Handheld Division 40 inside and connects described swing roller and hook 60, described swing roller respectively
Movable in tubular shell 30 by described rack drives hook 60.
The side of guide-track groove 41 can be provided with mark, to show that hook 60 leans out or withdraw tubular shell 30, and group
Knit folder and be in and open or closure state.
Tubular shell 30 is transparent polymer polymerizable material, and the internal diameter of tubular shell 30 is less than tissue folder 10 and tissue folder
The width of 20 naturalness.
As shown in Figure 4, Figure 5 and Figure 6, taking organize folder 10 as a example, tissue folder 10 includes clip body 11, before clip body 11
End is provided with chuck 12, and the tail end of clip body 11 is provided with jig arm 13, and the bottom of clip body 11 is provided with connecting hole 14.
Clip body 11 by but be not limited to having of elastic metallic, marmem and elastic polymer material
The material of elasticity is constituted.
As shown in figure 1, being interconnected by traction piece 70 between tissue folder, traction piece 70 passes through the connection of tissue folder tail end
Hole 14 is connected with tissue folder, and traction piece 70 is rigidity or the resilient material of tool is constituted.Preferably, traction piece 70 is by having
Necessarily the material of elasticity is constituted, including but not limited to pull rope, spring and rope.
, a knot 71 is provided with pull rope, knot 71 can allow patient's adjustment length taking pull rope as a example.
Eyelid covering 15 is provided with jig arm 13, the effect of eyelid covering 15 is the tube chamber of protection tubular shell 30, it is to avoid tissue folder
Clip body 11 is directly slided on tube chamber, inner tubal wall is caused damage, and provides certain frictional force, reduces tissue folder
Slide, realize the accurate gripping of tissue folder.
The uniform wall thickness of clip body 11, its thickness is 0.5-2mm.The rear-end angle of jig arm 13 is 25 ° -75 °;To
When tissue folder is received in tubular shell 30, due to being extruded by outer tube, this angle can diminish.
As shown in figure 4, when tissue folder is unfettered, in the presence of natural resiliency, two chucks 12 are clamped condition.One
Individual chuck passes through tissue to press from both sides another jig arm from hole with it, is mutually twisted with another chuck.Before surgery, needs will be organized
Folder 10 and tissue folder 20 are received in tubular shell 30, during storage, promote drive mechanism 50 forward first, so that hook 60 is leant out
Tubular shell 30, then makes hook 60 catch on the tail end of tissue folder.Push back drive mechanism 50 afterwards, tissue folder is led by hook 60
Introduce into tubular shell 30, due to being constrained by tubular shell 30 internal diameter, tissue folder width diminishes, front end two chuck 12 pine
Open (as Fig. 3).When tissue folder travels further into tubular shell 30, due to being constrained by tubular shell 30, the spacing of chuck 12
From shortening, enter in tubular shell 30 (as Fig. 2).
During endoscope micro-wound, when visual area is by organizing or organ is affected, or operative region has weight
Folded tissue or organ, it is possible to use disposable tissue retraction folder of the present utility model retracts.
Before use, by promoting forward drive mechanism 50, hook 60 can lean out tubular shell 30, and catches on tissue
The tail end of folder.Promote drive mechanism 50 backward, so that tissue is pressed from both sides and be accommodated in tubular shell 30, receiving state is as shown in Figure 2.In handss
In art, when needing to press from both sides using this traction, tubular shell 30 is allowed to enter abdominal cavity by minimally invasive duct (trocar).Hold hand-held afterwards
Portion 40, promotes forward tubular shell 30, and drive mechanism 50, along guide-track groove 41 slide downward, drives hook 60, promotes tissue folder
10 press from both sides 20 forward slip with tissue, after the chuck of tissue folder 10 leaves tubular shell 30, automatically open (Fig. 3).Now art
The chuck of the tissue opening folder 10 is pressed close to destination organization by person, is further continued for promoting drive mechanism 50 to completely disengage from pipe to tissue folder 10
After shape housing 30, now tissue folder 10 is not constrained by outer tube, relies on the spring return of itself to become naturalness (as Fig. 4).Now
Chuck closed and locked occlusion destination organization (as Fig. 1).Outer tube now can be moved, folder 20 will be organized to release pipe with same method
Shape housing 30 is simultaneously clipped on stomach wall or its hetero-organization.Detailed working condition is as shown in Figure 1.
After tissue folder 10 all grips destination organization with tissue folder 20, we can extract tubulose from puncture channel out
Housing 30, then by clamping the knot 71(Fig. 1 on traction piece 70), pull to reduce the length of lead to tissue folder 20 opposite direction
Degree.To realize the adjustment of distance between tissue folder 10 and tissue folder 20 with this.
If it is desired to the gripping position of adjustment clip, can again catch on clip with hook 60, back promote drive mechanism 50,
When only rear end is partly into tubular shell 30 to clip, chuck will open, and remove clip to new object, front push away driving
Mechanism 50 completely disengages to clip, realizes gripping again.
When needing to take out tissue folder after operation completes, allow tubular shell 30 by minimally invasive duct entrance abdominal cavity, use hook
Part 60 catches on the tail end of tissue folder 20, pushes back drive mechanism 50, and tissue folder 20 is accommodated into tubular shell 30, after tissue folder 20
End enter tubular shell 30 partly after, due to being constrained by tubular shell 30, tissue folder 20 chuck will unclamp.Now permissible
By the chuck of tissue folder 20 near the afterbody of tissue folder 10, continue inwardly storage tissue folder 20, tissue folder 20 is constrained by outer tube
Chuck closes to clamp the tail end of tissue folder 10.Now continue to push back drive mechanism 50, drive tissue folder 10 entrance tubular shell
30, so that the chuck that tissue presss from both sides 10 is unclamped, depart from clamping tissue.Just two tissue folders all can be accommodated into tubular shell 30 afterwards
And taken out external by minimally invasive duct.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, these changes and improvements both fall within the range of claimed this utility model, this utility model
Claimed scope is by appending claims and its equivalent thereof.