CN109549672A

CN109549672A - A kind of sample fixed withdrawing device under laparoscope

Info

Publication number: CN109549672A
Application number: CN201811414539.6A
Authority: CN
Inventors: 王金申
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2019-04-02
Anticipated expiration: 2038-11-26
Also published as: CN109549672B

Abstract

The invention discloses the fixed withdrawing device of sample under a kind of laparoscope, including pipe sleeve, it is equipped with control pipe in the pipe sleeve, is equipped with electric telescopic rod in the control pipe, is connected in the electric telescopic rod and takes object unit, the pipe sleeve lower part is equipped with and struts unit；The unit that struts includes the several springs one being arranged on the pipe sleeve inner wall, and each correspondence of spring one is equipped with support claw；The top of the control pipe is fixed on inside the pipe sleeve by unilateral bearing, and the lower circumference of the control pipe is equipped with protrusion, rotates the control pipe so that the protrusion is in contact with the support claw, the spring one is compressed, and the support claw is softened；The present invention can not only separate solid tissue and liquid or liquid shape tissue, and can enter when minimally invasive hole and extraction bag are taken out from minimally invasive hole in extraction bag and carry out micro- expansion to minimally invasive hole, and extraction bag is more smoothly taken out sample.

Description

A kind of sample fixed withdrawing device under laparoscope

Technical field

The invention belongs to the fixed withdrawing devices of sample under surgical medical instrument field more particularly to a kind of laparoscope.

Background technique

Currently, with the continuous development of science and technology, medicine achieves made rapid progress, modus operandi from traditional open surgery to Unit for endoscope operation development；Laparoscopic surgery has the characteristics that wound is small, operation is fine, bleeding is few, recovery is fast, only needs several hours Notch operation can be completed, but the taking-up of hand Postoperative Specimen need to open corresponding notch, traditional mark according to the size of sample Although this taking-up bag has certain tension, intensity is obviously insufficient, if notch is too small, in the continuous of notch when sample takes out Under extruding, sample is gradually moved to specimen bag bottom, expands sample diameter constantly, it has to which sample could be taken by opening big notch again Out, operation wound is increased, extends operating time, and notch is easy to tear specimen bag during sample takes out, It causes sample to squeeze rupture, pathology is had an impact.

In order to solve the above-mentioned technical problem, application publication number is that CN108209981A discloses sample under a kind of laparoscope First through hole and the second through-hole are set in withdrawing device, including mobile jib described in mobile jib, and the first knife is fixedly installed in described mobile jib one end Piece is hinged with the second blade on first blade, the first change is arranged at the second blade hinge joint, the mobile jib is separate The first in command is arranged in first blade one end, is hinged with second handle on the first in command, sets at the second handle hinge joint The second change is set, stretch rod is set in second through-hole, and elastic ring is arranged close to first blade one end in the stretch rod, described Storage pocket is set on elastic ring, and grip handle is arranged close to first in command one end in the stretch rod；But the storage pocket of the patent is Solid tissue and liquid or liquid shape tissue are mixed, needs to shred solid tissue into taking-up during taking out, break The risk of storage pocket, pathological tissues or liquid leak into abdominal cavity or contamination of incision and operative region, or even are splashed to surgeon Face causes serious adverse effect.

In order to solve the above-mentioned technical problem, Authorization Notice No. is that the Chinese patent of CN104274215B discloses a kind of solid-liquid Separate type laparoscopic swabbing bag, including outer bag and the inner bag being sheathed in outer bag, the outer bag is consistent with the sack of inner bag direction, The bottom of inner bag and the bottom of outer bag keep discrete state, and pipette, the pipette are folded between the outer bag and inner bag One end protrude into outer bag, the other end stretches out in the sack of outer bag, and the inner bag is the porous or netted knot for allowing solution to penetrate Structure, the invention use double layer design, will only can bond at the sack of inner bag and outer bag, sample is packed into after extraction bag and afterwards During taking-up, liquid, liquid shape sample are exuded in outer bag by inner bag, and solid sample shreds taking-up process and do not connect with outer bag Touching avoids the danger of extraction bag rupture, but the patent needs to pull during taking-up, and is persistently attracted using aspirator Make extraction bag volume-diminished after liquid, taking-up process is complicated, can not immediately take out sample.

In order to solve the above technical problem, the present invention provides the fixed withdrawing device of sample under a kind of laparoscope, the present invention Solid tissue and liquid or liquid shape tissue can not only be separated, and minimally invasive hole and extraction bag can be entered from minimally invasive in extraction bag Micro- expansion is carried out to minimally invasive hole when hole is taken out, extraction bag is more smoothly taken out sample.

Summary of the invention

In view of the above shortcomings of the prior art, the object of the present invention is to provide a kind of fixed take out of the sample under laparoscope to fill It sets, the present invention can not only separate solid tissue and liquid or liquid shape tissue, and can enter minimally invasive hole in extraction bag and take Micro- expansion is carried out to minimally invasive hole when object bag takes out from minimally invasive hole, extraction bag is more smoothly taken out sample.

The present invention is achieved by the following technical programs.

A kind of fixed withdrawing device of sample under laparoscope, including pipe sleeve are equipped with control pipe, the control in the pipe sleeve It is equipped with electric telescopic rod in pipe, is connected in the electric telescopic rod and takes object unit, the pipe sleeve lower part is equipped with and struts list Member；The unit that struts includes the several springs one being arranged on the pipe sleeve inner wall, and each correspondence of spring one is equipped with support Pawl；The top of the control pipe is fixed on inside the pipe sleeve by unilateral bearing, and the lower circumference of the control pipe is equipped with convex It rises, rotates the control pipe so that the protrusion is in contact with the support claw, the spring one is compressed, and the support claw is supportted It opens.

Specifically, when needing to take sample into minimally invasive hole, rotational handle position that protrusion is turned to spring one first, institute It states protrusion to compress the spring one, is mounted on support claw on the spring one and is displaced with spring one, by the micro- expansion of minimally invasive hole, this When, start the electric telescopic rod, object unit is taken to carry out taking for sample described in drive, it is described electronic after the completion of sample is taken Telescopic rod rotates the handle while withdrawal again, and the protrusion is separated with the spring one, and spring one flicks, the support claw Original position is retracted, the extraction bag is wrapped in several support claws, minimally invasive hole is then log out.

Battery power supply, which can be used, in electric telescopic rod in the present invention can also connect power supply；Electric telescopic rod in the present invention Manual telescopic bar can be changed to.

Further, described to take object unit include spill spin block, extraction bag, spring leaf, and the spring leaf is fixed on rotation On block, for the extraction bag on spring leaf, the spring leaf is equipped with the hook for fixing extraction bag.

Further, described spring leaf one end is opening, and the extraction bag suit is again on the spring leaf.

Since the extraction bag is set with again on the spring leaf, object unit is taken to enter in promotion in the electric telescopic rod When minimally invasive hole, the spring leaf is popped up from the control pipe, and the extraction bag is carried out with flicking for spring leaf and automatically from strutting Sample takes out work.

Further, slot is offered on the tube wall on the top of the pipe sleeve, is equipped with spring two and ball, institute in the slot The outer wall for stating control pipe is equipped with groove compatible with the ball.

The top of the control pipe is equipped with handle.

The handle is rotated, when the groove turns to the ball position, under the action of spring two, the rolling Pearl enters the groove, and the handle stops operating；When the ball enters groove, it is described control pipe on protrusion with it is described Support claw is in contact, and spring one is compressed, so that several support claws strut, enters minimally invasive hole for sample convenient for the extraction bag It takes out.

Further, the spill spin block is equipped with threaded post, and the electric telescopic rod is equipped with and the threaded post phase The internal screw thread of adaptation；It is conveniently replaceable and takes object unit.

Further, the extraction bag is double-layer structure, including inner bag and outer bag, and the inner bag is reticular structure, institute Outer bag is stated using the medical film production of PU tension.

Further, the quantity of the groove is equal with the quantity of the protrusion；Each corresponding institute of the groove State protrusion.

Further, the groove is corresponding with the protrusion.

Further, the present invention is made of memorial alloy, and memorial alloy can not only have memory effect and super-elasticity, Also there is biocompatibility simultaneously, stable passivating film can be formed with biology.

Compared with prior art, the beneficial effects of the present invention are:

1, extraction bag is divided into inner bag and outer bag, and solid tissue and liquid or liquid shape tissue are separated, cut sample in inner bag Danger that is broken, avoiding the rupture of extraction bag that tissue is caused to fall；

2, extraction bag is placed in when not in use in control pipe, avoids outside contamination；

3, the unit that struts of setting can not only be when taking sample to the micro- expansion of minimally invasive hole progress, moreover it is possible to have certain guarantor to extraction bag Shield effect, protects sample, avoids notch and squeezes influence of the sample to pathology；

4, directly support claw can be strutted by rotational handle, it is easy to operate.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.

Fig. 2 is the enlarged drawing of A in Fig. 1.

Fig. 3 is the schematic diagram that extraction bag is popped up from control pipe.

Fig. 4 is the enlarged drawing of B in Fig. 3.

Fig. 5 is the not distracted status diagram of support claw.

Fig. 6 is the position view of protrusion and support claw.

Fig. 7 is the structural schematic diagram of embodiment 2 in the present invention.

In figure: 1, pipe sleeve；101, slot；102, spring two；103, ball；104, groove；2, control pipe；201, raised； 202, handle；3, electric telescopic rod；301, button；302, annular groove；303, elastomer block；304, cover board；305, baffle；4, object is taken Unit；401, spill spin block；402, extraction bag；4021, inner bag；4022, outer bag；4023, skirt；403, spring leaf；404, hook； 405, threaded post；406, convex block；407, snap ring；5, unit is strutted；501, spring one；502, support claw；6, unilateral bearing.

Specific embodiment

Clear, complete description is carried out below with reference to technical solution of the attached drawing to various embodiments of the present invention, it is clear that is retouched The embodiment stated is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, originally Field those of ordinary skill obtained all other embodiment without making creative work, belongs to this hair Bright protected range.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

Embodiment 1

As shown in Figure 1, the fixed withdrawing device of sample under a kind of laparoscope, including pipe sleeve 1, the pipe sleeve 1 is interior to be equipped with control pipe 2, the control pipe 2 is interior to be equipped with electric telescopic rod 3, is connected in the electric telescopic rod 3 and takes object unit 4, the pipe sleeve 1 Lower part is equipped with and struts unit 5；The unit 5 that struts includes 4 springs 1 being arranged on 1 inner wall of pipe sleeve, each described The correspondence of spring 1 is equipped with support claw 502；The top of the control pipe 2 is fixed on inside the pipe sleeve 1 by unilateral bearing 6, The lower circumference of the control pipe 2 is equipped with protrusion 201, rotates the control pipe 2 and makes described raised 201 and the support claw 502 It is in contact, the spring 1 is compressed, and the support claw 502 is softened.

Specifically, protrusion 201 is turned to spring 1 by rotational handle 202 first when needing to take sample into minimally invasive hole Position, described raised 201 by the spring 1 compress, be mounted on the support claw 502 on the spring 1 with spring one 501 displacements, by the micro- expansion of minimally invasive hole, at this point, the button 301 that 3 top of electric telescopic rod is arranged in pressing starts the electricity Telescopic rod 3 is moved, object unit 4 is taken to carry out taking for sample described in drive, after the completion of sample is taken, the electric telescopic rod 3 is withdrawn While rotate the handle 202 again, described raised 201 separate with the spring 1, and spring 1 flicks, the support Pawl 502 retracts original position, and the extraction bag 402 is wrapped in 4 support claws 502, minimally invasive hole is then log out.

Battery power supply, which can be used, in electric telescopic rod 3 in the present invention can also connect power supply.

Described that object unit 4 is taken to include spill spin block 401, extraction bag 402, spring leaf 403, the spring leaf 403 is fixed on rotation On switch block 401, on the spring leaf 403, the spring leaf 403 is equipped with for taking described in fixation the extraction bag 402 The hook 404 of object bag 402.

Slot 101 is offered on the tube wall on the top of the pipe sleeve 1, is equipped with spring 2 102 and ball 103 in the slot 101, The outer wall of the control pipe 2 is equipped with groove 104 compatible with the ball 103.

The top of the control pipe 2 is equipped with handle 202.

The handle 202 is rotated, when the groove 104 turns to 103 position of ball, in the spring 2 102 Under effect, the ball 103 enters the groove 104, and the handle 202 stops operating；Enter groove in the ball 103 When 104, the protrusion 201 on the control pipe 2 is in contact with the support claw 502, and spring 1 is compressed, so that described in 4 Support claw 502 struts, and takes out sample into minimally invasive hole convenient for the extraction bag 402.

The spill spin block 401 is equipped with threaded post 405, and the electric telescopic rod 3 is equipped with suitable with 405 phase of threaded post The internal screw thread matched；But realize that quick-replaceable takes object unit 4.

The extraction bag 402 is double-layer structure, including inner bag 4021 and outer bag 4022, and the inner bag 4021 is netted knot Structure, the outer bag 4022 use the medical film production of PU tension；It is equipped with skirt 4023 in the outer bag 4022, the skirt 4023 is set In the bottom of the outer bag 4022, the skirt 4023 is flexible pipe for medical purpose.

Described 403 one end of spring leaf is opening, and the suit of extraction bag 402 is again on the spring leaf 403；It is taken due to described Object bag 402 is set with again on the spring leaf 403, and hook 404 is equipped on the spring leaf 403, and the hook 404 will be described Extraction bag 402 is fixed on the spring leaf 403, is additionally provided with snap ring 407 in the extraction bag 402, directly by the snap ring 407 sets on the hook 404, can be fixed on the extraction bag described；Object list is taken in promotion in the electric telescopic rod 3 Member 4 enter minimally invasive hole when, the spring leaf 403 is popped up from the control pipe 2, the extraction bag with the spring leaf 403 bullet It opens automatically from strutting, carries out sample and take out work.

The quantity of the groove 104 is equal with raised 201 quantity, is 4.

The groove 104 is corresponding with described raised 201.

When rotating the handle 202 and making the groove 104 to the ball 103, described raised 201 turn to it is described At support claw 502, under the action of spring 1,4 support claws 502 are strutted, and minimally invasive hole is carried out micro- expansion, convenient for described Object unit 4 is taken to carry out taking sample.

The present invention is made of memorial alloy；Memorial alloy can not only have memory effect and super-elasticity, while also have Biocompatibility can form stable passivating film with biology.

Embodiment 2

The present embodiment is similar with the structural principle of embodiment 1, with embodiment 2 the difference is that, it is described to take object unit 4 and institute It states between electric telescopic rod 3 by the way of rotating Fast Installation；Annular is equipped on the bottom section of the electric telescopic rod 3 Slot 302, is equipped with 3 elastomer blocks 303 in the annular groove 302, and each elastomer block 303 is equipped with cover board 304, the lid Plate 304 and the electric telescopic rod 3 are integrally formed, and are equipped with baffle 305 perpendicular to cover board 304 on the cover board 304；It is taken described Circumference is equipped with 3 convex blocks 406 on the spill spin block 401 of object unit 4；In use, by the convex block 406 on the spill spin block 401 It is placed in the annular groove 302, rotates clockwise the spill spin block 401 and place it in the elastomer block 303 and the cover board 304 Between, the baffle 305 limits the rotation of the spill spin block 401, at this point, described take object unit 4 to be mounted on the electric expansion On bar 3；When disassembly, the spill spin block 401 is rotated counterclockwise, the convex block 406 is from the elastomer block 303 and the cover board 304 Between exit, it is described that object unit 4 is taken to remove from the electric telescopic rod 3.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal Replacement；And these are modified or replaceed, technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.

Claims

1. the fixed withdrawing device of sample under a kind of laparoscope, including pipe sleeve (1), which is characterized in that be equipped in the pipe sleeve (1) Control pipe (2), the control pipe (2) is interior to be equipped with electric telescopic rod (3), is connected on the electric telescopic rod (3) and takes object Unit (4), pipe sleeve (1) lower part are equipped with and strut unit (5)；Described strut unit (5) include that pipe sleeve (1) inner wall is arranged On several springs one (501), each spring one (501) correspondence is equipped with support claw (502)；The upper of (2) is managed in the control Portion is fixed on the pipe sleeve (1) inside by unilateral bearing (6), and the lower circumference of the control pipe (2) is equipped with raised (201), Rotating the control pipe (2) makes raised (201) to be in contact with the support claw (502), and the spring one (501) is pressed Contracting, the support claw (502) are softened.

2. the fixed withdrawing device of sample under a kind of laparoscope according to claim 1, which is characterized in that described to take object list First (4) include spill spin block (401), extraction bag (402), spring leaf (403), and the spring leaf (403) is fixed on spill spin block (401) On, on the spring leaf (403), the spring leaf (403) is equipped with for taking object described in fixation the extraction bag (402) The hook (404) of bag (402).

3. the fixed withdrawing device of sample under a kind of laparoscope according to claim 1, which is characterized in that the pipe sleeve (1) it is offered on the tube wall on top slot (101), spring two (102) and ball (103), the control is equipped in the slot (101) The outer wall of tubulation (2) is equipped with the ball (103) compatible groove (104).

4. the fixed withdrawing device of sample under a kind of laparoscope according to claim 3, which is characterized in that the control pipe (2) top is equipped with handle (202).

5. the fixed withdrawing device of sample under a kind of laparoscope according to claim 2, which is characterized in that the spill spin block (401) threaded post (405) are equipped with, the electric telescopic rod (3) is equipped with the threaded post (405) compatible interior spiral shell Line.

6. the fixed withdrawing device of sample under a kind of laparoscope according to claim 2, which is characterized in that the extraction bag It (402) is double-layer structure, including inner bag (4021) and outer bag (4022), the inner bag (4021) is reticular structure, the outer bag (4022) the medical film production of PU tension is used.

7. the fixed withdrawing device of sample under a kind of laparoscope according to claim 2, which is characterized in that the spring leaf (403) one end is opening, and extraction bag (402) suit is again on the spring leaf (403).

8. the fixed withdrawing device of sample under a kind of laparoscope according to claim 3, which is characterized in that the groove (104) quantity is equal with the raised quantity of (201).

9. the fixed withdrawing device of sample under a kind of laparoscope according to claim 7, which is characterized in that the groove (104) corresponding with raised (201).

10. the fixed withdrawing device of sample under a kind of laparoscope according to claim 1, which is characterized in that using memory Alloy production.