CN104783843A - Minimally invasive surgery fetching bag capable of being disassembled - Google Patents
Minimally invasive surgery fetching bag capable of being disassembled Download PDFInfo
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- CN104783843A CN104783843A CN201510194148.8A CN201510194148A CN104783843A CN 104783843 A CN104783843 A CN 104783843A CN 201510194148 A CN201510194148 A CN 201510194148A CN 104783843 A CN104783843 A CN 104783843A
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- spheroid
- slide
- interior pipe
- bag
- disassembled
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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
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic instruments
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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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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Sampling And Sample Adjustment (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a minimally invasive surgery fetching bag capable of being disassembled. The minimally invasive surgery fetching bag capable of being disassembled comprises a pull wire arranged in an inner pipe in a penetrating mode, a positioning structure and a locking structure, wherein the pull wire can tighten a bag opening of a sample bag along with the movement of the inner pipe after an elastic body and the sample bag are separated and be separated from the inner pipe after the bag opening is completely tightened, the positioning structure is used for fixing the inner pipe to a current position after the bag opening is completely tightened, and the locking structure can be used for fixedly connecting the pull wire to the inner pipe before the bag opening is completely tightened and releasing the locking to the pull wire after the bag opening is completely tightened. By means of the minimally invasive surgery fetching bag capable of being disassembled, the inner pipe can be accurately positioned, and it can be ensured that the sample bag is separated from the inner pipe after being completely locked; the locking structure is arranged, the switching to the separating state from the locking state can be achieved only through one-step operation or even without operation, and use is very convenient; the pull wire can be effectively protected, and the sample bag can be more simple and attractive overall.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to one and get thing bag.
Background technology
Specimen fetching bag, can by taking out living specimen with coordinating of perforator as the medical auxiliary equipment of one in body, perfect through technology, has now been widely used in various abdominal operation.Conventional thing bag of getting comprises elastomer, specimen bag, outer tube and interior pipe, elastomer is installed on inner pipe, bag mouth around specimen bag is arranged, and with specimen bag one contraction within the outer tube, first promoting interior pipe during use makes specimen bag stretch out from outer tube, bag mouth struts under elastomeric effect, after putting into specimen, pull interior pipe that elastomer is recovered into outer tube, and bag mouth is stopped the displacement producing relatively elastic body by outer tube, thus reach the object of tightening up specimen bag, then, because the size of specimen bag is greater than the size of perforator passage, it just cannot be separated with perforator after stretching out from outer tube, can only extract together with perforator after operation terminates, namely perforator will additionally occupy an operation path, and the discrepancy of other operating theater instruments needs unimpeded operation path, this just means has to insert multiple perforator at patient's abdominal part, both the operation of medical personnel had been added, turn increase the misery of patient.
In order to address this problem, people have invented one and have got thing bag, can separate between its specimen bag with interior pipe, concrete, are be provided with a bracing wire, and one end of bracing wire is connected with interior pipe, and the other end is arranged around the bag mouth of specimen bag together with elastomer.When specimen has been placed on after in specimen bag, pull interior pipe that elastomer is separated with specimen bag, and by bracing wire tightening pocket opening, after bag mouth tightens up, bracing wire is separated with interior pipe, interior pipe and sleeve pipe just can be made to extract out from perforator, thus remove taking operation path, after operation terminates, bracing wire is extracted out together with perforator, complete the taking-up operation of specimen bag, but this thing bag of getting exists some problems:
1, bracing wire is arranged on the outside of outer tube, has both affected attractive in appearance, and in use also easy and other object is wound around, thus causes the damage of getting thing bag;
2, because specimen bag self exists elasticity, because bracing wire all must keep tensioned state before bag mouth tightens up completely, otherwise bag mouth can open again, and must be separated with interior pipe after tightening up, just can reach the object that interior pipe is separated with specimen bag, the thing bag of getting of prior art arranges mark on interior pipe or outer tube, in being judged by the range estimation of medical personnel, whether pipe reaches assigned address, thus indirectly judge whether bag mouth tightens up, this mode is neither directly perceived, easily cause again bag mouth to shrink not exclusively, affect result of use;
3, the bracing wire of prior art is all generally to be wound around or on inner pipe affixed, when being separated or need manually to untie, or needing the separation of damage type, using very inconvenient.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of disassembled Minimally Invasive Surgery and get thing bag, can internally accurately locate by pipe, just ensure that specimen bag is separated with interior pipe after locking completely; Be provided with locking structure, only need single stepping, even just can complete the switching of bracing wire between lockup state to released state without the need to operation, use very convenient; Effectively can protect bracing wire, make specimen bag entirety more succinct, attractive in appearance.
The technical solution adopted for the present invention to solve the technical problems is:
Disassembled Minimally Invasive Surgery gets a thing bag, comprises outer tube, interior pipe, elastomer and specimen bag, and interior pipe box is located in outer tube and also can relatively it be slided; Specimen bag can stretch out in outer tube with the driven forward of interior pipe, and is strutted by elastomer, and elastomer can be separated with specimen bag with the extraction backward of interior pipe, realizes specimen bag and interior pipe, the disassembling of outer tube, comprises
One bracing wire, bracing wire is located in interior pipe, after elastomer is separated with specimen bag, can tightens up the bag mouth of specimen bag, and be separated with interior pipe after bag mouth tightens up completely with the motion of interior pipe;
Location structure, for after bag mouth tightens up completely, is fixed on current location by interior pipe;
And locking structure, it can be on inner pipe affixed by bracing wire before bag mouth tightens up completely, and can remove the locking to bracing wire after bag mouth tightens up completely.
As the further improved procedure of such scheme, location structure comprises the boss that is fixed on interior pipe periphery, with an elastic collar being fixed on outer tube wall, boss is conical, the direction of extracting out backward along interior pipe diminishes gradually, the two ends of boss form spacing plane, are provided with a cavity identical with boss shape in elastic collar, and the entrance of cavity is less than the maximum of boss circumference;
Can there is elastic deformation in entrance, thus boss is entered in cavity under the extruding of boss, and can restore to the original state after boss enters completely, supports spacing plane by cavity inner wall, to be fixed in this cavity by boss.
As the further improved procedure of such scheme, one end that bracing wire does not connect specimen bag is provided with a spheroid, and bracing wire is fixed on inner pipe by locking structure by this spheroid.
As the further improved procedure of such scheme, interior pipe comprises vertically by its through passage, and the cross section of passage is circular, and its diameter of section is greater than the diameter of spheroid, so that spheroid passes through, bracing wire and spheroid are located in passage.
As the further improved procedure of such scheme, locking structure comprises installation slide on inner pipe, and it can along the radial motion of interior pipe, slide is provided with containing cavity and upper locking piece, containing cavity is for placing spheroid, and locking structure also comprises the lower locking piece be located at below slide, wherein
When original state, slide is supported by lower locking piece, and the gap between itself and passage is less than the diameter of spheroid, to be limited in containing cavity by spheroid;
By applying external force to slide, force locking piece and/or lower locking piece generation elastic deformation, to make slide move downward, until containing cavity discharges spheroid after being directly communicated with passage, now go up locking piece and the mutual locking of lower locking piece, slide is fixed on current location.
As the further improved procedure of such scheme, upper locking piece comprises the snap fit be arranged in pairs in bottom slide, can elastic deformation be there is in snap fit, lower locking piece comprises vertical extension, extension has the portion of expanding, the size in portion of expanding is greater than the gap between snap fit, thus slide is undertaken on the top of lower locking piece; Expanding the contact site of portion and snap fit is provided with inclined-plane, and snap fit, by this inclined-plane and the distortion of self, can move along extension, and finally be fastened on the below in the portion of expanding.
As the further improved procedure of such scheme, locking structure comprises installation slide on inner pipe and holding part, slide can along the axially-movable of interior pipe, holding part is arranged in pairs, can occur along interior caliber to elastic movement, holding part is provided with inclined-plane, thus taper chute is formed between two place's holding parts, chute becomes large gradually along the direction that interior pipe is outwards extracted out, and slide is provided with the taper guide block with taper chute adaptation, wherein
When original state, the smallest end of taper chute is less than the diameter of spheroid, to be limited in chute by spheroid;
By applying external force to slide, forcing it to move vertically, by taper guide block, holding part radially being strutted, thus spheroid is released in passage.
As the further improved procedure of such scheme, locking structure comprises installation slide on inner pipe, slide can along the axially-movable of interior pipe, which is provided with block, be provided with stair-stepping chute below slide, chute at least comprises first step and second step, and the distance between block and first step is less than the diameter of spheroid, and the distance between second step is greater than the diameter of spheroid, wherein
When original state, slide is positioned at the top of first step, thus is limited in by spheroid in the space that formed by slide, block and first step;
By applying external force to slide, force its with spheroid integrally move to second step place, spheroid can by second step admission passage.
As the further improved procedure of such scheme, locking structure comprises installation slide on inner pipe, slide can along the axially-movable of interior pipe, which is provided with block, be provided with stair-stepping chute below slide, chute at least comprises first step and second step, first step is provided with projection close to one end of second step, distance between block and projection is less than the diameter of spheroid, and the distance between second step is greater than the diameter of spheroid, wherein
When original state, slide is positioned at the top of first step, thus is limited in by spheroid in the space that formed by slide, block, first step and projection;
By applying external force to spheroid, when external force is less than a marginal value, spheroid continues to be held in space, and when external force is greater than this marginal value, spheroid falls on second step, and drives slide to move vertically.
As the further improved procedure of such scheme, slide is provided with indicant, and the correspondence position of interior pipe is provided with cue mark, and described indicant can coordinate with this cue mark in the motor process of slide, the location status of instruction spheroid.
The invention has the beneficial effects as follows:
Internally accurately can locate by pipe, ensure that specimen bag is just separated with interior pipe after locking completely; Be provided with locking structure, only need single stepping, even just can complete the switching of bracing wire between lockup state to released state without the need to operation, use very convenient; Effectively can protect bracing wire, make specimen bag entirety more succinct, attractive in appearance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the integrally-built axonometric drawing of the present invention;
Fig. 2 manages the combination schematic diagram with bracing wire, spheroid in the present invention;
Fig. 3 is the sectional view of a location structure of the present invention embodiment;
Fig. 4 is the axial sectional view of locking structure of the present invention first embodiment;
Fig. 5 is the radial cross-section of locking structure of the present invention first embodiment;
Fig. 6 is the axonometric drawing (in hidden parts pipe handle) of locking structure of the present invention second embodiment;
Fig. 7 is the axial sectional view of locking structure of the present invention second embodiment;
Fig. 8 is the axonometric drawing (in hidden parts pipe handle) of locking structure of the present invention 3rd embodiment;
Fig. 9 is the axial side view of locking structure of the present invention 3rd embodiment;
Figure 10 is the axial sectional view of locking structure of the present invention 4th embodiment;
Figure 11 is that the axle of locking structure of the present invention 4th embodiment measures intention.
Detailed description of the invention
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present invention, concrete structure and generation, to understand object of the present invention, scheme and effect fully.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
It should be noted that, if no special instructions, when a certain feature is called as " fixing ", " connection " in another feature, it can directly be fixed, be connected in another feature, also indirectly can fix, be connected in another feature.In addition, it is only relative to the mutual alignment relation of each ingredient of the present invention in accompanying drawing that the upper and lower, left and right used in the present invention etc. describe.
In addition, unless otherwise defined, all technology used herein are identical with the implication that those skilled in the art understand usually with scientific terminology.The term used in description is herein to describe specific embodiment, instead of in order to limit the present invention.Term as used herein " and/or " comprise the arbitrary combination of one or more relevant Listed Items.
There is one in prior art and get thing bag, comprise outer tube, interior pipe, elastomer and specimen bag, wherein, pipe box is located in outer tube and also can relatively it be slided; Elastomer comprises the first sheet metal and the second sheet metal, one end of first, second sheet metal is fixed on described interior pipe respectively, the other end to be separablely telescopic jointly integrated by one, form circulus, this circulus is located in the bag mouth of specimen bag, and when original state and its one be compressed in outer tube.When in driven forward during pipe, specimen bag stretches out in outer tube, and opens bag mouth along with the recovery of circulus, is convenient to place specimen; When extracting interior pipe backward out, circulus disconnects from sleeve pipe because of the stop of outer tube, again independently first, second sheet metal is formed, now elastomer just can be separated with bag mouth, thus pipe in realizing, the disassembling, after having disassembled of outer tube and specimen bag, just can further interior pipe and outer tube be taken out from perforator, remove taking operation path, after having performed the operation, specimen bag can take out together with perforator.
Because circulus cannot play the effect of tightening pocket opening upon opening, in order to address this problem, also be provided with bracing wire, described bracing wire one end is on inner pipe affixed, and the other end is located in the bag mouth of specimen bag together with elastomer, thus can tighten up the bag mouth of specimen bag with the extraction of interior pipe, bracing wire of the prior art is arranged on outside device, both affected attractive in appearance, in use also easy and other object is wound around, thus causes the damage of getting thing bag.
In addition, because self there is elasticity in specimen bag, because bracing wire all must keep tensioned state before bag mouth tightens up completely, otherwise bag mouth can open again, and must be separated with interior pipe after tightening up, just can reach the object that interior pipe is separated with specimen bag, the thing bag of getting of prior art arranges mark on interior pipe or outer tube, in being judged by the range estimation of medical personnel, whether pipe reaches assigned address, thus indirectly judge whether bag mouth tightens up, this mode is neither directly perceived, easily causes again bag mouth to shrink not exclusively, affects result of use.
Finally, the bracing wire of prior art is all generally to be wound around or on inner pipe affixed, when being separated or need manually to untie, or needing the separation of damage type, using very inconvenient.
Therefore, for the problems referred to above, the invention discloses one and get thing bag, with reference to Fig. 1, Fig. 2, it comprises outer tube 1, interior pipe 2, elastomer 3, specimen bag 4 and bracing wire 5, and wherein specimen bag 4 is located at the head end of interior pipe 2, and interior pipe 2 is sheathed in outer tube 1 and also can relatively it slides, the tail end of interior pipe 2 is provided with interior pipe handle 21, and the tail end of outer tube 1 is provided with outer tube handle 11.In the present embodiment, bracing wire 5 is concealed, concrete, and bracing wire 5 is located in the inside of interior pipe 2, the part do not exposed, thus can be good at avoiding foreign object to destroy the winding of bracing wire, and specimen bag entirety can also be made to seem more succinct, attractive in appearance.
Interior pipe 2 preferably has a passage run through vertically 22, and bracing wire 5 is arranged in this passage, to realize the object hidden.
Further preferred, one end that bracing wire 5 is not connected with specimen bag is connected with a spheroid 6, the size of spheroid 6 is less than the size of above-mentioned passage 22, thus make its can with bracing wire being free to slide in passage 22 integrally.Spheroid 6 has following effect: 1, after specimen bag is separated with interior pipe, outer tube, and spheroid can indicate the position of bracing wire, is convenient to operation end post-tensioning and goes out specimen bag; 2, by arranging the size of spheroid, making its diameter be greater than the through hole of perforator, can prevent bracing wire from falling into abdominal cavity by this through hole; 3, spheroid also can coordinate with locking structure hereinafter described, controls bracing wire, connection between interior pipe and is separated.
In order to strengthen the mark action of spheroid, the appearance of spheroid can apply as red or other color.
Thing bag of getting of the present invention comprises a location structure, its for interior pipe 2 relatively outer tube 1 be drawn to after bag mouth tightens up completely backward, interior pipe 2 is fixed on current location, so just, without the need to indirectly judging whether bag mouth tightens up by estimating interior pipe 2 with the relative position of outer tube 1, greatly facilitate the operation of medical personnel.
Concrete, with reference to Fig. 2 and Fig. 3, show the schematic diagram of a location structure embodiment, location structure comprises the boss 23 that is fixed on interior pipe 2 periphery, with an elastic collar 7 being fixed on outer tube 1 inwall, boss 23 is conical, and diminish gradually along the direction that interior pipe 2 is extracted out backward (i.e. direction shown in arrow in figure), its two ends form spacing plane 230.Be provided with a cavity 71 identical with boss shape in elastic collar 7, the entrance of cavity 71 is less than the maximum of boss 23 circumference, preferably, is be provided with block 72 in porch.
Along with the motion of boss 23, elastic deformation can be there is in block 72 under the extruding of boss 23, thus make boss 23 enter in cavity 71, and can restore to the original state after boss 23 enters completely, the spacing plane 230 of boss 23 is supported by the inwall of cavity respectively, thus boss 23 is fixed in this cavity 71, now specimen bag tightens up completely under the effect of bracing wire, achieves pinpoint object.
The present invention also comprises a locking structure, and it can be on inner pipe affixed by bracing wire before bag mouth tightens up completely, tightening pocket opening, and can remove the locking to bracing wire after interior pipe is fixed by location structure, is thoroughly separated by specimen bag with interior pipe.
With reference to Fig. 4 and Fig. 5, show the schematic diagram of locking structure first embodiment, locking structure is pressing type structure, comprise the slide 81 be arranged on interior pipe handle 21, slide 81 is close to the tail end of interior pipe 2, and it can along the radial motion of interior pipe 2, slide 81 is provided with containing cavity 811 and upper locking piece 810, containing cavity 811 is for placing spheroid 6, and locking structure also comprises the lower locking piece 82 be located at below slide 81, wherein
When original state, slide 81 is supported by lower locking piece 82, and the gap between itself and passage 22 is less than the diameter of spheroid 6, to be limited in containing cavity 811 by spheroid 6, thus drives bracing wire tightening pocket opening.
By pressing slide, force locking piece 810 and/or lower locking 82 that elastic deformation occurs, move downward to make slide, until containing cavity 811 is directly communicated with passage 22, spheroid 6 is released in passage, now go up locking piece 810 mutually to fasten with lower locking piece 82, slide is fixed on current location, represent that spheroid successfully discharges.
Preferably, upper locking piece 810 comprises the snap fit be arranged in pairs in bottom slide, can elastic deformation be there is in snap fit, lower locking piece 82 comprises vertical extension, the top of extension has the portion of expanding 820, the size in portion 820 of expanding is greater than the gap between snap fit, thus slide 81 can be undertaken on the top of lower locking piece 82; Expanding portion 820 is provided with inclined-plane with the contact site of snap fit, and described snap fit, by this inclined-plane and the distortion of self, can move down along extension, and finally be fastened on the below in the portion of expanding 820, complete the locking to slide.
With reference to Fig. 6 and Fig. 7, show the schematic diagram of locking structure second embodiment, locking structure is sliding structure, comprise and be arranged on slide on interior pipe handle 21 83 and holding part 84, slide can along the axially-movable of interior pipe (not shown), holding part 83 is arranged in pairs, and is abutted by the inwall of elastic component with handle 21, thus can occur along interior caliber to elastic movement.Holding part 84 is provided with inclined-plane, thus forms taper chute between two place's holding parts, and the direction (i.e. direction shown in arrow in figure) that described chute is outwards extracted out along interior pipe becomes greatly gradually, and slide 83 is provided with the taper guide block 830 with taper chute adaptation, wherein
When original state, the smallest end of taper chute is less than the diameter of spheroid, to be limited in chute by spheroid 6.
By promoting slide 83, in motor process, taper guide block stretches in taper chute, forces holding part to strut along the radial direction of interior pipe, thus is released in passage by spheroid.
With reference to Fig. 8 and Fig. 9, show the schematic diagram of locking structure the 3rd embodiment, locking structure is sliding structure, comprises the slide 85 be arranged on interior pipe handle 21, and slide 85 along the axially-movable of interior pipe (not shown), can which is provided with block 850.Be provided with stair-stepping chute 86 below slide 85, described chute at least comprises first step 860 and second step 861, and the distance between block 850 and first step 860 is less than the diameter of spheroid, and the distance between second step 861 is greater than the diameter of spheroid 6, wherein
When original state, slide 85 is positioned at the top of first step, thus is fixed on by spheroid 6 in the space that formed by slide 85, block 850 and first step 860.
By promoting slide 85, make its with spheroid one move to second step place, be now greater than the diameter of spheroid 6 because of the gap between spheroid block 850 and chute 86, then spheroid can by second step 861 admission passage.
Preferably, the one end near second step 861 on first step 860 is provided with arc-shaped projection, plays the object of fixing spheroid further.
Above three kinds of embodiments all need artificial pressing or promote slide to discharge spheroid, in order to simplify the operation of medical personnel further, with reference to Figure 10 and Figure 11, show the schematic diagram of locking structure the 4th embodiment, locking structure is self-action structure, comprise the slide 87 be arranged on interior pipe handle 21, similar, slide 81 can along the axially-movable of interior pipe 2, which is provided with block 870, stair-stepping chute is provided with below slide 87, described chute at least comprises first step 880 and second step 881, first step 880 is provided with projection 882 close to one end of second step 881, distance between block 870 and projection 882 is less than the diameter of spheroid 6, and the distance between second step 881 is greater than the diameter of spheroid, wherein
When original state, slide is positioned at the top of first step 880, thus is fixed on by spheroid 6 in the space that formed by slide 87, block 870, first step 880 and projection 882.
By applying external force to spheroid 6, when external force is less than a marginal value, spheroid continues to be held in above-mentioned space, and in the present embodiment, marginal value is for spheroid is for passing through the external force value required for projection 882.Before bag mouth does not tighten up completely, interior pipe is not enough to make it cross projection by the bracing wire external force be applied on spheroid 6; After bag mouth tightens up completely, be applied to external force on spheroid 6 and constantly increase, until when being greater than this marginal value, spheroid 6 falls on second step 881, and drives slide 87 to move vertically.When adopting the locking structure of the present embodiment, without the need to arranging above-mentioned location structure, can need adjust location structure if arrange, namely could fix described interior pipe after spheroid 6 is released.
Preferably, slide 87 is provided with indicant, the correspondence position of interior pipe handle is provided with cue mark, and indicant can coordinate with this cue mark in the motor process of slide, the state of instruction spheroid, in the present embodiment, cue mark is " ON " and " OFF " that arrange vertically, and when slide is driven along axial-movement by spheroid, indicant moves to " OFF " position by " ON " position thereupon, display spheroid is released, and is convenient to the state that user gets information about spheroid.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (10)
1. disassembled Minimally Invasive Surgery gets a thing bag, comprises outer tube, interior pipe, elastomer and specimen bag, and described interior pipe box is located in described outer tube and also can relatively it be slided; Described specimen bag can stretch out in described outer tube with the driven forward of interior pipe, and strutted by described elastomer, described elastomer can be separated with described specimen bag with the extraction backward of described interior pipe, realizes specimen bag and interior pipe, the disassembling of outer tube, it is characterized in that: comprise
One bracing wire, described bracing wire is located in described interior pipe, after described elastomer is separated with described specimen bag, can tightens up the bag mouth of specimen bag, and be separated with interior pipe after described bag mouth tightens up completely with the motion of described interior pipe;
Location structure, for after described bag mouth tightens up completely, is fixed on current location by interior pipe;
And locking structure, described bracing wire can be fixed on described interior pipe by it before described bag mouth tightens up completely, and can remove the locking to described bracing wire after described bag mouth tightens up completely.
2. disassembled Minimally Invasive Surgery according to claim 1 gets thing bag, it is characterized in that: described location structure comprises the boss that is fixed on described interior pipe periphery, with an elastic collar being fixed on described outer tube wall, described boss is conical, the direction of extracting out backward along interior pipe diminishes gradually, the two ends of described boss form spacing plane, and be provided with a cavity identical with described boss shape in described elastic collar, the entrance of described cavity is less than the maximum of boss circumference;
Elastic deformation can be there is in described entrance under the extruding of described boss, thus make described boss enter in described cavity, described entrance also can restore to the original state after boss enters completely, supports described spacing plane, to be fixed in this cavity by described boss by cavity inner wall.
3. disassembled Minimally Invasive Surgery according to claim 1 gets thing bag, it is characterized in that: one end that described bracing wire does not connect described specimen bag is provided with a spheroid, and described bracing wire is fixing on inner pipe by described locking structure by this spheroid.
4. disassembled Minimally Invasive Surgery according to claim 2 gets thing bag, it is characterized in that: described interior pipe comprises vertically by its through passage, the cross section of described passage is circular, its diameter of section is greater than the diameter of described spheroid, so that described spheroid passes through, described bracing wire and spheroid are located in described passage.
5. get thing bag according to the disassembled Minimally Invasive Surgery described in claim 4, it is characterized in that: described locking structure comprises the slide be arranged on described interior pipe, it can along the radial motion of described interior pipe, described slide is provided with containing cavity and upper locking piece, described containing cavity is for placing described spheroid, described locking structure also comprises the lower locking piece be located at below described slide, wherein
When original state, described slide is supported by described lower locking piece, and the gap between itself and described passage is less than the diameter of described spheroid, to be limited in containing cavity by described spheroid;
By applying external force to described slide, force described upper locking piece and/or lower locking piece generation elastic deformation, move downward to make described slide, until containing cavity is directly communicated with passage, discharge described spheroid, now described upper locking piece and the mutual locking of lower locking piece, be fixed on current location by slide.
6. get thing bag according to the disassembled Minimally Invasive Surgery described in claim 5, it is characterized in that: described upper locking piece comprises the snap fit be arranged in pairs in bottom described slide, can elastic deformation be there is in described snap fit, described lower locking piece comprises vertical extension, described extension has the portion of expanding, described size of expanding portion is greater than the gap between described snap fit, thus slide is undertaken on the top of lower locking piece; The described contact site expanding portion and snap fit is provided with inclined-plane, and described snap fit by this inclined-plane and the distortion of self, can move along described extension, and expands the below in portion described in being finally fastened on.
7. get thing bag according to the disassembled Minimally Invasive Surgery described in claim 4, it is characterized in that: described locking structure comprises and is arranged on slide on described interior pipe and holding part, described slide can along the axially-movable of described interior pipe, described holding part is arranged in pairs, can occur along interior caliber to elastic movement, described holding part is provided with inclined-plane, thus taper chute is formed between two place's holding parts, described chute becomes large gradually along the direction that interior pipe is outwards extracted out, described slide is provided with the taper guide block with described taper chute adaptation, wherein
When original state, the smallest end of taper chute is less than the diameter of spheroid, to be limited in chute by described spheroid;
By applying external force to described slide, forcing it to move vertically, by taper guide block, holding part radially being strutted, thus spheroid is released in described passage.
8. get thing bag according to the disassembled Minimally Invasive Surgery described in claim 4, it is characterized in that: described locking structure comprises the slide be arranged on described interior pipe, described slide can along the axially-movable of described interior pipe, which is provided with block, be provided with stair-stepping chute below described slide, described chute at least comprises first step and second step, and the distance between described block and first step is less than the diameter of spheroid, and the distance between second step is greater than the diameter of spheroid, wherein
When original state, slide is positioned at the top of first step, thus is limited in by described spheroid in the space that formed by slide, block and first step;
By applying external force to described slide, force itself and spheroid integrally move to second step place, spheroid can be entered in described passage by second step.
9. get thing bag according to the disassembled Minimally Invasive Surgery described in claim 4, it is characterized in that: described locking structure comprises the slide be arranged on described interior pipe, described slide can along the axially-movable of described interior pipe, which is provided with block, stair-stepping chute is provided with below described slide, described chute at least comprises first step and second step, first step is provided with projection close to one end of described second step, distance between described block and projection is less than the diameter of spheroid, and the distance between second step is greater than the diameter of spheroid, wherein
When original state, slide is positioned at the top of first step, thus is limited in by described spheroid in the space that formed by slide, block, first step and projection;
By applying external force to described spheroid, when external force is less than a marginal value, spheroid continues to be held in above-mentioned space, and when external force is greater than this marginal value, spheroid falls on second step, and drives described slide to move vertically.
10. get thing bag according to the disassembled Minimally Invasive Surgery described in claim 9, it is characterized in that: described slide is provided with indicant, the correspondence position of described interior pipe is provided with cue mark, described indicant can coordinate with this cue mark in the motor process of slide, indicates the location status of described spheroid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194148.8A CN104783843B (en) | 2015-04-22 | 2015-04-22 | Minimally invasive surgery fetching bag capable of being disassembled |
| PCT/CN2015/077362 WO2016169044A1 (en) | 2015-04-22 | 2015-04-24 | Detachable minimally-invasive surgical extraction bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194148.8A CN104783843B (en) | 2015-04-22 | 2015-04-22 | Minimally invasive surgery fetching bag capable of being disassembled |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104783843A true CN104783843A (en) | 2015-07-22 |
| CN104783843B CN104783843B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510194148.8A Active CN104783843B (en) | 2015-04-22 | 2015-04-22 | Minimally invasive surgery fetching bag capable of being disassembled |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104783843B (en) |
| WO (1) | WO2016169044A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137278A (en) * | 2016-07-22 | 2016-11-23 | 南京东万生物技术有限公司 | Resection organization's extractor |
| CN111685809A (en) * | 2020-07-03 | 2020-09-22 | 重庆橙壹科技有限公司 | Improved extractor for gastrointestinal surgery |
| CN112353436A (en) * | 2020-11-26 | 2021-02-12 | 浙江优亿医疗器械股份有限公司 | Specimen fetching bag and locking mechanism thereof |
| CN113892983A (en) * | 2021-10-22 | 2022-01-07 | 中山大学孙逸仙纪念医院 | Object taking device for endoscopic surgery |
| CN116211403A (en) * | 2023-03-13 | 2023-06-06 | 湖南省华芯医疗器械有限公司 | Drive control element, handle and object taking device of object taking device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220044972A (en) | 2019-08-02 | 2022-04-12 | 멀티게이트 메디컬 프로덕츠 프로프라이어터리 리미티드 | Device |
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| CN106137278A (en) * | 2016-07-22 | 2016-11-23 | 南京东万生物技术有限公司 | Resection organization's extractor |
| CN106137278B (en) * | 2016-07-22 | 2019-02-01 | 南京东万生物技术有限公司 | Resection organization's extractor |
| CN111685809A (en) * | 2020-07-03 | 2020-09-22 | 重庆橙壹科技有限公司 | Improved extractor for gastrointestinal surgery |
| CN112353436A (en) * | 2020-11-26 | 2021-02-12 | 浙江优亿医疗器械股份有限公司 | Specimen fetching bag and locking mechanism thereof |
| CN113892983A (en) * | 2021-10-22 | 2022-01-07 | 中山大学孙逸仙纪念医院 | Object taking device for endoscopic surgery |
| CN116211403A (en) * | 2023-03-13 | 2023-06-06 | 湖南省华芯医疗器械有限公司 | Drive control element, handle and object taking device of object taking device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016169044A1 (en) | 2016-10-27 |
| CN104783843B (en) | 2017-05-24 |
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