Protective device for hepatobiliary surgery

Abstract

The utility model relates to the technical field of medical instruments, and particularly discloses a hepatobiliary surgery protection device which comprises a fixing sheath, a conveying pipe is fixedly connected in the fixing sheath, a pushing rod is slidably connected in the conveying pipe, a spring is arranged at the bottom end in the conveying pipe, and the other end of the spring is fixedly connected with the pushing rod. One end of the pushing rod penetrates through the bottom of the conveying pipe to be connected with an opening mechanism, the other end of the pushing rod penetrates through the top end of the conveying pipe to be rotationally connected with a rotary knob, an incision protection sleeve is arranged between the inner wall of the fixing sheath and the outer wall of the conveying pipe, and the opening mechanism is connected with the bottom of the incision protection sleeve in a clamped mode. According to the incision protection device, incision tearing or other injuries possibly caused by traditional manual operation are avoided, unfolding and fixing of the protection sleeve are completed through knob control, operation is easy, the operation difficulty and time cost of doctors are reduced, and the problems that in the prior art, an incision protection device is not safe enough when placed, operation is complex, and efficiency is low can be effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a kind of liver and gall operation protection device. BACKGROUND

[0002] During liver and gall operation, it is usually needed to enter small incision and operate relevant instrument back and forth for many times, easy to cause the damage at incision position, the incision protection sleeve is usually used to protect incision in prior art, however, there is no professional instrument for the placement of incision protection sleeve at present, the method of placing incision protection sleeve by hemostatic forceps, oval forceps or bare-handedly not only time-consuming and laborious and there is certain difficulty, and repeated operation can also cause incision damage, incision fat liquefaction and other risks, for this reason, we propose a kind of liver and gall operation protection device. UTILITY MODEL CONTENT

[0003] The utility model is to provide a kind of liver and gall operation protection device to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of liver and gall operation protection device, including fixed sheath, fixed sheath inside fixedly connected with conveying pipe, conveying pipe inside slidingly connected with push rod, conveying pipe inside bottom is equipped with spring, spring other end is fixedly connected with push rod, push rod one end passes through the bottom of conveying pipe and is connected with the strutting mechanism, push rod other end passes through the top of conveying pipe and is rotatably connected with knob, fixed sheath inner wall and conveying pipe outer wall between being equipped with incision protection sleeve, strutting mechanism and incision protection sleeve bottom clamping.

[0005] Wherein, the strutting mechanism includes the rotation connecting in the push rod inside's rotation bar, rotation bar is fixedly connected with knob, rotation bar passes through the bottom rotatably connected with gear of push rod, push rod bottom surface is equipped with sliding slot, sliding slot is slidingly connected with sliding clamping piece, sliding clamping piece one side is fixedly connected with rack, rack and gear are engaged, and sliding clamping piece both ends and incision protection sleeve bottom clamping.

[0006] Wherein, the incision protection sleeve includes sleeve body, sleeve body top is fixedly connected with outer ring, sleeve body bottom is fixedly connected with inner ring, sleeve body and inner ring are compressed between fixed sheath inner wall and conveying pipe outer wall, and inner ring is clamped with sliding clamping piece.

[0007] Wherein, the middle part of sliding clamping piece is equipped with clamping groove, and the clamping groove is clamped with the inner ring.

[0008] Wherein, the upper part of fixed sheath outer wall is provided with fixed groove, and the lower part of fixed sheath is provided with guide slope.

[0009] Wherein, the bottom of knob is equipped with two sections of upper clamping piece, the upper surface of conveying pipe is equipped with lower clamping piece, and the both sides of lower clamping piece have the opening equal in length with upper clamping piece, and upper clamping piece and lower clamping piece are flexibly connected.

[0010] The knob surface is provided with anti-skid lines.

[0011] The utility model has at least the following beneficial effects:

[0012] The utility model discloses in using, realize the automatic unfolding of the inner ring of protection cover through mechanical strutting open mechanism, avoid the incision tear or other harm that traditional manual operation can cause, complete the unfolding and fixed of protection cover through knob control, simple operation reduces the operation difficulty and time cost of doctor, can effectively solve the problem that the incision protection device is not safe, complicated operation and low efficiency in prior art, provides safer, more efficient and convenient solution for hepatobiliary surgery. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is structure schematic diagram of the utility model;

[0014] Figure 2 It is part sectional structure schematic diagram of the utility model;

[0015] Figure 3 It is front view sectional structure schematic diagram of the utility model;

[0016] Figure 4 It is structure enlarged diagram of the utility model A place;

[0017] Figure 5 It is strutting open mechanism bottom surface structure schematic diagram of the utility model;

[0018] Figure 6 It is structure schematic diagram of the utility model knob place;

[0019] In the drawing: 1, fixed sheath;11, fixed groove;12, guide slope;2, conveying pipe;21, lower clamping piece;3, push rod;4, spring;5, strutting open mechanism;51, rotating rod;52, gear;53, sliding slot;54, sliding clamping piece;541, clamping groove;55, rack;6, knob;61, upper clamping piece;62, anti-skid line;7, incision protection cover;71, cover body;72, outer ring;73, inner ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Embodiment one

[0022] Please refer toFigures 1 to 6 The utility model provides a technical scheme: a hepatic surgery protection device, fixed sheath 1 below is equipped with the guide slope 12, fixed sheath 1 outer wall top has the fixed groove 11, fixed sheath 1 inside fixedly connected with the delivery pipe 2, the delivery pipe 2 inside slidingly connected with push rod 3, the delivery pipe 2 inside bottom is equipped with spring 4, spring 4 other end is fixedly connected with push rod 3, push rod 3 one end passes through the delivery pipe 2 bottom and is connected with the strutting mechanism 5 of supporting, push rod 3 other end passes through the delivery pipe 2 top and is rotatably connected with knob 6, knob 6 surface is equipped with the anti -skid line 62, fixed sheath 1 inner wall and the delivery pipe 2 outer wall between being equipped with the incision protection sleeve 7, the strutting mechanism 5 with incision protection sleeve 7 bottom clamping, when using, the guide slope 12 of fixed sheath 1 bottom is convenient with the device of aligning patient's reserved sheath tube and inserts, after inserting the device into sheath tube, fixed groove 11 holds up above sheath tube to keep stable, after pressing knob 6, push rod 3 moves downward, thereby make the strutting mechanism 5 drive incision protection sleeve 7 move downward, when incision protection sleeve 7 moves downward to fixed sheath 1 below, rotate knob 6, make the strutting mechanism 5 open incision protection sleeve 7's inner ring 73, after releasing knob 6, spring 4 drive push rod 3 reset, after the inner ring 73 unfolds, together with sheath tube, pull out the device, the inner ring 73 is fixed in patient's body, after pulling out, outer ring 72 is released in vitro, the doctor manually opens outer ring 72, thereby completes the setting of incision protection sleeve 7, reduces the risk of incision injury.

[0023] The strutting mechanism 5 includes a rotating rod 51 rotatably connected inside the push rod 3, the rotating rod 51 is fixedly connected with the knob 6, the rotating rod 51 rotatably connected with a gear 52 through the bottom of the push rod 3, a sliding groove 53 is formed on the bottom surface of the push rod 3, a sliding clamping piece 54 is slidably connected in the sliding groove 53, the sliding clamping piece 54 is fixedly connected with a rack 55 on one side, the rack 55 is engaged with the gear 52, the sliding incision protection sleeve 7 includes a sleeve body 71, an outer ring 72 is fixedly connected above the sleeve body 71, an inner ring 73 is fixedly connected below the sleeve body 71, the sleeve body 71 and the inner ring 73 are both elastic rubber compressed between the inner wall of the fixed sheath 1 and the outer wall of the delivery pipe 2, a clamping groove 541 is formed in the middle of the sliding clamping piece 54, the clamping groove 541 is clamped with the inner ring 73, when in use, rotating the knob 6 drives the rotating rod 51 to rotate, so that the gear 52 rotates, the sliding clamping pieces 54 on both sides slide in the sliding groove 53 through the engagement of the rack 55 and the gear 52, so that the inner ring 73 clamped by the clamping groove 541 is completely opened in the patient's body.

[0024] Embodiment two

[0025] In the second embodiment, other structures are unchanged, and different from the first embodiment is that the knob 6 is provided with two upper clamping members 61 at the bottom, the conveying pipe 2 is provided with lower clamping members 21 on the upper surface, the lower clamping members 21 are provided with openings with the same length as the upper clamping members 61 on both sides, the upper clamping members 61 and the lower clamping members 21 are flexibly connected, in use, after the knob 6 is pressed down, the upper clamping members 61 and the lower clamping members 21 are clamped, the lower clamping members 21 are provided with openings on both sides, so that the knob 6 must be rotated by a certain angle to release the clamping and reset under the action of the spring 4 and the pushing rod 3, preventing the opening mechanism 5 from withdrawing without completely opening the inner ring of the cutout protection sleeve 7, and further improving the safety.

[0026] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or inherent to such a process, method, article or device.

[0027] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A protective device for hepatobiliary surgery, comprising a fixing sheath (1), characterized in that: The fixed sheath (1) is internally connected with a conveying pipe (2), the conveying pipe (2) is internally and slidably connected with a pushing rod (3), the bottom end of the conveying pipe (2) is provided with a spring (4), the other end of the spring (4) is fixedly connected with the pushing rod (3), one end of the pushing rod (3) penetrates through the bottom of the conveying pipe (2) and is connected with a strutting mechanism (5), the other end of the pushing rod (3) penetrates through the top end of the conveying pipe (2) and is rotatably connected with a knob (6), a cut protection sleeve (7) is arranged between the inner wall of the fixed sheath (1) and the outer wall of the conveying pipe (2), and the strutting mechanism (5) is clamped with the bottom of the cut protection sleeve (7).

2. The protective device for hepatobiliary surgery of claim 1, wherein: The strutting mechanism (5) comprises a rotating rod (51) rotatably connected in the pushing rod (3), the rotating rod (51) is fixedly connected with the knob (6), the rotating rod (51) penetrates through the bottom of the pushing rod (3) and is rotatably connected with a gear (52), a sliding groove (53) is formed in the bottom surface of the pushing rod (3), a sliding clamping piece (54) is slidably connected in the sliding groove (53), one side of the sliding clamping piece (54) is fixedly connected with a rack (55), the rack (55) is engaged with the gear (52), and the two ends of the sliding clamping piece (54) are clamped with the bottom of the cut protection sleeve (7).

3. The protective device as claimed in claim 2, wherein: the protective device is provided with a plurality of holes for the passage of the surgical instruments. The cut protection sleeve (7) comprises a sleeve body (71), an outer ring (72) is fixedly connected above the sleeve body (71), an inner ring (73) is fixedly connected below the sleeve body (71), the sleeve body (71) and the inner ring (73) are both elastic rubber compressed between the inner wall of the fixed sheath (1) and the outer wall of the conveying pipe (2), and the inner ring (73) is clamped with the sliding clamping piece (54).

4. The protective device as claimed in claim 3, wherein: A clamping groove (541) is formed in the middle of the sliding clamping piece (54), and the clamping groove (541) is clamped with the inner ring (73).

5. The protective device for hepatobiliary surgery of claim 1, wherein: A fixed groove (11) is formed in the upper outer wall of the fixed sheath (1), and a guide slope (12) is arranged below the fixed sheath (1).

6. The protective device for hepatobiliary surgery of claim 1, wherein: Two upper clamping pieces (61) are arranged at the bottom of the knob (6), a lower clamping piece (21) is arranged on the upper surface of the conveying pipe (2), the two sides of the lower clamping piece (21) are provided with openings with the same length as the upper clamping pieces (61), and the upper clamping pieces (61) and the lower clamping piece (21) are flexibly connected.

7. The protective device for hepatobiliary surgery of claim 1, wherein: Anti-skid lines (62) are arranged on the surface of the knob (6). Anti-skid lines (62) are arranged on the surface of the knob (6).

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