Buckle type puncture outfit

Abstract

The utility model relates to the technical field of puncture outfits, and discloses a buckle type puncture outfit which comprises a positioning fixing shell, a connecting fixing shell and a cannula seat shell which are sequentially connected, and a puncture cannula is arranged at the end, away from the positioning fixing shell, of the cannula seat shell. A plurality of limiting strips are fixedly connected to the inner side wall of the end, close to the connecting and fixing shell, of the sleeve seat shell, a plurality of clamping strips matched with the limiting strips are fixedly connected to the inner side wall of the end, close to the sleeve seat shell, of the connecting and fixing shell, and when the connecting and fixing shell is rotated, the clamping strips and the limiting strips are clamped in a limiting mode, so that the user can hear the rattling sound; a quick disassembly and assembly unit is arranged between the positioning and fixing shell and the connecting and fixing shell, and the sealing element and the choke valve are fixed together to form an assembly. According to the utility model, through the cooperation of the limiting strip, the clamping strip and the quick dismounting and mounting unit, the positioning and fixing shell, the connecting and fixing shell and the sleeve seat shell can be conveniently dismounted after being mounted, so that a sealing element and a choke valve which are mounted in the connecting and fixing shell can be conveniently dismounted and mounted.

Description

TECHNICAL FIELD

[0001] The utility model relates to puncture ware technical field, specifically is a buckle type puncture ware. BACKGROUND

[0002] Puncture ware is a kind of surgical instrument that pierces abdominal wall and provides access to body cavity channel for other surgical instruments, belongs to a kind of minimally invasive surgical instrument.

[0003] Puncture ware has the vital role in minimally invasive surgery in precision surgery, it is the key channel for establishing artificial pneumoperitoneum and surgical instrument into abdominal cavity, often specimen or other foreign bodies (such as suture needle, residual suture) are taken out from laparoscope in endoscopic surgery, in order to facilitate the removal, need to remove sealing membrane, in the whole specimen or foreign body is taken out, abdominal cavity is in pressure loss state, if blocking valve is still on puncture ware when removing sealing membrane, it will increase the difficulty of taking out, sealing membrane and blocking valve are removed simultaneously, it is more convenient to take out the convenience, and the puncture ware in the prior art is more troublesome when sealing membrane and blocking valve are removed simultaneously, therefore, the field urgently needs to improve the buckle type puncture ware, to solve the defects of prior art. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a buckle type puncture ware, which is convenient for connecting and fixing the sealing element and the blocking valve installed in the shell body.

[0005] To achieve the above object, the utility model provides the following technical scheme: a buckle type puncture ware, including the positioning fixed shell body, the connecting fixed shell body and the sleeve seat shell body that are connected in sequence, the sleeve seat shell body is equipped with puncture sleeve at the end away from the positioning fixed shell body, the inner side wall of the end close to the sleeve seat shell body of the connecting fixed shell body is fixedly connected with a plurality of limiting strips, the inner side wall of the end close to the sleeve seat shell body of the connecting fixed shell body is fixedly connected with a plurality of clamping strips matched with the limiting strips, when rotating the connecting fixed shell body, the clamping strip is limited and clamped with the limiting strip, and the positioning fixed shell body and the connecting fixed shell body are equipped with quick dismounting unit.

[0006] Preferably, the quick dismounting unit includes two connecting frames connected to the side of the positioning fixed shell body, the connecting frame is L-shaped, and the upper part of the connecting fixed shell body is provided with a clamping port matched with the connecting frame.

[0007] Preferably, the inner side wall of the end close to the connecting fixed shell body of the sleeve seat shell body is provided with a first clamping table, and the limiting strips are fixedly connected to the inner side wall of the first clamping table, and the outer side of the end close to the sleeve seat shell body of the connecting fixed shell body is provided with a second clamping table matched with the first clamping table, and the clamping strips are fixedly connected to the side of the second clamping table.

[0008] Preferably, the second clamping table side is fixedly connected with a plurality of limiting protrusions, the limiting strip side is provided with limiting grooves matched with the limiting protrusions, and the limiting strip side is provided with a guide inclined angle for guiding.

[0009] Preferably, the positioning fixed shell side is connected with an extrusion frame, the extrusion frame is L-shaped and is used for extruding and limiting an insertion tube inserted into the puncture device.

[0010] Preferably, the connecting fixed shell is internally provided with a sealing element and a gas blocking valve, and the spacing between the sealing element and the gas blocking valve is greater than 15 mm.

[0011] Preferably, the sleeve seat shell side is fixedly connected with two symmetrical wire hanging holes, the wire hanging hole is between 65 mm and 70 mm from the top end of the puncture cone, and the hole diameter of the wire hanging hole should meet the requirement that the surgical semicircular needle can smoothly pass through.

[0012] In view of the defects (the sealing film and the gas blocking valve are in a split type, and the gas blocking valve has a blocking effect on object taking, thereby causing inconvenience in object taking) of the prior art, the utility model provides a puncture device in buckle type and integrated form of sealing film and gas blocking valve, and overcomes the defects of the prior art.

[0013] 1. In the utility model, through the cooperation of the limiting strip, the clamping strip and the quick dismounting unit, the positioning fixed shell, the connecting fixed shell and the sleeve seat shell can be conveniently installed and dismounted after installation, and the sealing element and the gas blocking valve installed in the connecting fixed shell can be conveniently dismounted.

[0014] 2. In the utility model, the spacing between the sealing element and the gas blocking valve is greater than 15 mm, so that the sealing element can be sealed and the gas blocking valve can be opened only after the sealing element is sealed, the air leakage condition is prevented, and the airtightness is improved.

[0015] 3. In the utility model, the sealing element and the gas blocking valve form an assembly, when foreign matters (sutures, needles and specimen tissues) in the taking cavity are taken out, the sealing element assembly is removed, the taking-out channel is smooth and has no any blockage, and the sharp objects can be effectively prevented from accidentally falling off or piercing the gas blocking valve.

[0016] Other features and advantages of the utility model will be set forth in the following description, and some of them will become apparent from the description, or will be learned from the practice of the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structure indicated in the description, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the whole upper part sectional view structure schematic view of the utility model;

[0020] Figure 3 It is the structure schematic view of the utility model in the positioning fixed shell, connecting fixed shell and sleeve seat shell etc.

[0021] Figure 4 It is the structure schematic view of the utility model in the sleeve seat shell;

[0022] Figure 5 It is the structure schematic view of the utility model in the connecting fixed shell;

[0023] Figure 6 It is the structure schematic view of the utility model in the positioning fixed shell after partial section;

[0024] Figure 7 It is Figure 4 the enlarged structure schematic view in A of the utility model;

[0025] Figure 8 It is Figure 5 the enlarged structure schematic view in B of the utility model.

[0026] In the drawing: 1, positioning fixed shell; 2, connecting fixed shell; 3, sleeve seat shell; 4, puncture sleeve; 5, limiting strip; 6, clamping strip; 7, connecting frame; 8, first clamping table; 9, second clamping table; 10, limiting protrusion; 11, limiting recess; 12, extrusion frame; 13, guide inclined angle; 14, sealing element; 15, gas resistance valve; 16, hanging wire hole; 17, clamping port. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Embodiment one

[0029] Please refer to Figures 1-8A buckle type puncture device, comprising a positioning fixed shell 1, a connecting fixed shell 2 and a sleeve seat shell 3 connected in sequence, a puncture sleeve 4 is arranged at the end of the sleeve seat shell 3 away from the positioning fixed shell 1, a plurality of limiting strips 5 are fixedly connected to the inner side wall of the end of the sleeve seat shell 3 close to the connecting fixed shell 2, a plurality of clamping strips 6 matched with the limiting strips 5 are fixedly connected to the inner side wall of the end of the connecting fixed shell 2 close to the sleeve seat shell 3, the clamping strips 6 are clamped with the limiting strips 5 when the connecting fixed shell 2 is rotated, a quick dismounting unit is arranged between the positioning fixed shell 1 and the connecting fixed shell 2, a first clamping table 8 is arranged on the inner side wall of the end of the sleeve seat shell 3 close to the connecting fixed shell 2, the plurality of limiting strips 5 are fixedly connected to the inner side wall of the first clamping table 8, a second clamping table 9 matched with the first clamping table 8 is arranged on the outer side of the end of the connecting fixed shell 2 close to the sleeve seat shell 3, the plurality of clamping strips 6 are fixedly connected to the side of the second clamping table 9, a plurality of limiting protrusions 10 are fixedly connected to the side of the second clamping table 9, a limiting groove 11 matched with the limiting protrusions 10 is arranged on the side of the limiting strip 5, a guide inclined angle 13 for guiding is arranged on one side of the limiting strip 5, a sealing element 14 and a gas blocking valve 15 are arranged in the connecting fixed shell 2.

[0030] The specific implementation in the embodiment is as follows: when the positioning fixed shell 1, the connecting fixed shell 2 and the sleeve seat shell 3 need to be connected, the positioning fixed shell 1 and the connecting fixed shell 2 are connected through the quick dismounting unit, then the second clamping table 9 is inserted into the first clamping table 8, and the connecting fixed shell 2 is rotated, when the connecting fixed shell 2 is rotated, the clamping strips 6 are rotated to one side of the limiting strips 5, and the distance between the one side of the limiting strips 5 and the side wall of the first clamping table 8 is gradually narrowed, when the connecting fixed shell 2 is rotated more, the clamping strips 6 are clamped between the limiting strips 5 and the first clamping table 8 more tightly, at the same time, the guide inclined angle 13 guides the limiting protrusions 10, and the limiting protrusions 10 have elasticity, when the limiting protrusions 10 move to the position of the limiting groove 11, the limiting protrusions 10 are clamped with the limiting groove 11, the connection between the connecting fixed shell 2 and the sleeve seat shell 3 is completed, the insertion pipe is inserted from one end of the positioning fixed shell 1 and is penetrated from one end of the puncture sleeve 4, the sealing element 14 and the gas blocking valve 15 seal the side of the insertion pipe, after puncture, the connecting fixed shell 2 is reversely rotated, the limiting protrusions 10 are separated from the limiting groove 11, the clamping strips 6 are separated from the limiting strips 5, the connecting fixed shell 2 and the sleeve seat shell 3 are separated, at the same time, the positioning fixed shell 1 and the connecting fixed shell 2 are separated through the quick dismounting unit, the positioning fixed shell 1, the connecting fixed shell 2 and the sleeve seat shell 3 are convenient to install and dismount, and then the sealing element 14 and the gas blocking valve 15 are convenient to take out.

[0031] Embodiment two

[0032] Please refer to Figure 5 andFigure 6 The embodiment includes all the above-mentioned embodiments, wherein the quick dismounting unit comprises two connecting frames 7 connected to the side of the positioning fixed shell 1, the connecting frame 7 is L-shaped, and the upper part of the connecting fixed shell 2 is provided with a clamping interface 17 matched with the connecting frame 7.

[0033] The specific implementation of the embodiment is that when the positioning fixed shell 1 and the connecting fixed shell 2 need to be installed, the lower part of the two connecting frames 7 is pinched, the upper part of the two connecting frames 7 is fixedly connected to the side of the positioning fixed shell 1, and the connecting frame 7 has elasticity. When the upper end of the two connecting frames 7 is pinched, the lower end of the two connecting frames 7 moves in the opposite direction. At this time, the connecting frame 7 is aligned with the clamping interface 17, and the lower end of the connecting frame 7 is inserted into the clamping interface 17. At this time, the connecting frame 7 is released, the elastic force of the connecting frame 7 is restored, the lower end of the connecting frame 7 is clamped in the clamping interface 17, and the positioning fixed shell 1 and the connecting fixed shell 2 are conveniently installed or dismounted.

[0034] Embodiment three

[0035] Please refer to Figure 2 and Figure 6 The embodiment includes all the above-mentioned embodiments, wherein the positioning fixed shell 1 is further provided with an extrusion frame 12 connected to the side of the positioning fixed shell 1, the extrusion frame 12 is L-shaped and used for extruding and limiting the insertion tube inserted into the puncture device.

[0036] The specific implementation of the embodiment is that the middle part of the extrusion frame 12 is rotationally connected to the positioning fixed shell 1, the side of the positioning fixed shell 1 is provided with an elastic sheet (not labeled) matched with the upper part of the extrusion frame 12. Figure 2 When the insertion tube is inserted, the upper part of the extrusion frame 12 is pinched, the extrusion frame 12 rotates at this time, and the elastic sheet on the side of the positioning fixed shell 1 is extruded. The lower part of the extrusion frame 12 is away from the center position of the positioning fixed shell 1. When the insertion tube needs to be temporarily limited after being inserted, the extrusion frame 12 is released. At this time, the elastic force of the elastic sheet pushes the upper part of the extrusion frame 12, the extrusion frame 12 rotates, the other end of the extrusion frame 12 extrudes the side of the insertion tube, and the insertion tube is temporarily limited.

[0037] Embodiment four

[0038] Please refer to Figure 2 The embodiment includes all the above-mentioned embodiments, wherein the distance between the sealing element 14 and the air blocking valve 15 is greater than 15 mm, the side of the sleeve seat shell 3 is fixedly connected with two symmetrical wire hanging holes 16, the distance from the wire hanging hole 16 to the end of the positioning fixed shell 1 away from the sleeve seat shell 3 is between 65 mm and 75 mm, the sealing element and the air blocking valve form an assembly, and the assembly can be removed when taking out the object.

[0039] The specific implementation in the embodiment: when the surgical instrument needs to be inserted, the air blocking valve 15 must be opened after the seal 14 can be sealed, and the head of the existing 5mm surgical instrument is designed (the length of the head movement part is generally about 15mm), so the distance between the seal 14 and the air blocking valve 15 in the embodiment is greater than 15mm, ensuring that the seal 14 can be sealed before the air blocking valve 15 is opened. If the distance between the seal 14 and the air blocking valve 15 is less than 15mm, the head of the operating instrument cannot be fully inserted into the seal 14, and the air blocking valve 15 has been opened, which will cause air leakage. Considering the overall shape of the puncture device, the doctor can hold and operate it, so the distance between the wire hanging hole 16 and the end of the positioning and fixing shell 1 away from the sleeve seat shell 3 in the embodiment is between 65mm and 75mm, which facilitates the doctor to hold and operate the puncture device.

[0040] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A snap-on puncture device comprising a positioning and fixing housing (1), a connecting and fixing housing (2) and a sleeve seat housing (3) connected in sequence, a puncture sleeve (4) being arranged at the end of the sleeve seat housing (3) away from the positioning and fixing housing (1), characterized in that, The sleeve seat shell (3) is fixedly connected with a plurality of limiting strips (5) on the inner side wall of one end close to the connecting and fixing shell (2), the connecting and fixing shell (2) is fixedly connected with a plurality of clamping strips (6) matched with the limiting strips (5) on the inner side wall of one end close to the sleeve seat shell (3), the clamping strips (6) are clamped and limited with the limiting strips (5) when the connecting and fixing shell (2) is rotated, and the quick dismounting unit is arranged between the positioning and fixing shell (1) and the connecting and fixing shell (2).

2. The buckle-type puncture device according to claim 1, wherein The quick dismounting unit comprises two connecting frames (7) connected to the side surfaces of the positioning and fixing shell (1), the connecting frame (7) is L-shaped, and the connecting and fixing shell (2) is provided with a clamping port (17) matched with the connecting frame (7) on the upper portion.

3. The buckle-type puncture device according to claim 1, wherein The sleeve seat shell (3) is provided with a first clamping table (8) on the inner side wall of one end close to the connecting and fixing shell (2), a plurality of limiting strips (5) are fixedly connected to the inner side wall of the first clamping table (8), and the connecting and fixing shell (2) is provided with a second clamping table (9) matched with the first clamping table (8) on the outer side of one end close to the sleeve seat shell (3), and a plurality of clamping strips (6) are fixedly connected to the side surfaces of the second clamping table (9).

4. The buckle-type puncture device according to claim 3, wherein The second clamping table (9) is fixedly connected with a plurality of limiting protrusions (10), the limiting strips (5) are provided with limiting grooves (11) matched with the limiting protrusions (10) on the side surfaces, and the limiting strips (5) are provided with guide bevels (13) on one side for guiding.

5. The buckle-type puncture device according to claim 1, wherein The positioning and fixing shell (1) is connected with an extrusion frame (12), the extrusion frame (12) is L-shaped and is used for extruding and limiting an insertion tube inserted into a puncture device.

6. The buckle-type puncture device according to claim 1, wherein The connecting and fixing shell (2) is provided with a sealing element (14) and a gas blocking valve (15), and the distance between the sealing element (14) and the gas blocking valve (15) is greater than 15 mm.

7. The buckle-type puncture device according to claim 1, wherein The sleeve seat shell (3) is fixedly connected with two symmetrical wire hanging holes (16) on the side surfaces, and the distance between the wire hanging holes (16) and one end of the positioning and fixing shell (1) away from the sleeve seat shell (3) is between 65 mm and 75 mm.

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