CN209847325U

CN209847325U - Disposable puncture device for laparoscope

Info

Publication number: CN209847325U
Application number: CN201920274527.1U
Authority: CN
Inventors: 王素琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2019-12-27
Anticipated expiration: 2029-03-05

Abstract

The utility model discloses a disposable puncture ware for peritoneoscope, including tailstock, pipe box, outer tube and inner tube, supporting shoe and connecting block have on the pipe box, the connecting block is connected with the pipe box through the screw thread, the surface intake pipe of pipe box, first air inlet and rotary switch in the intake pipe, rotary switch's inside is provided with the breather, accompany the sealing member between supporting shoe and the tailstock, be provided with the taper shank between sealing member and the pipe box, the lower extreme of taper shank is connected with the inner tube, the below of pipe box is connected with the outer tube. A disposable puncture ware for peritoneoscope, the breather can prevent effectively that gas pressure from taking place the backward flow when not enough, avoids the protective gas who fills to take place to leak, the adjusting block can extrude taper shank and sealing member, avoids because sealing member and taper shank exist the clearance and take place not hard up.

Description

Disposable puncture device for laparoscope

Technical Field

The utility model relates to a peritoneoscope puncture ware field, in particular to a disposable puncture ware for peritoneoscope.

Background

The laparoscope puncture outfit is disposable, is suitable for conveying gas in minimally invasive surgery and establishing a channel for an endoscope and a surgical instrument to enter and exit a body cavity from the outside, and is suitable for various laparoscopic surgeries. However, when the existing laparoscopic puncture outfit is used for surgery, certain pressure must be ensured when gas is introduced, when the gas pressure is low, the gas entering the taper shank is easy to be insufficient, the quality of the surgery is affected, and meanwhile, an error exists in the contact between the sealing piece and the taper shank, so that the taper shank and the sealing piece are easy to be fixed insecure.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide a disposable puncture device for laparoscope, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a disposable puncture ware for peritoneoscope, includes tailstock, pipe box, outer tube and inner tube, supporting shoe and connecting block have on the pipe box, the connecting block is connected with the pipe box through the screw thread, the surperficial intake pipe of pipe box, first air inlet and rotary switch in the intake pipe, rotary switch's inside is provided with the breather, accompany the sealing member between supporting shoe and the tailstock, be provided with the taper shank between sealing member and the pipe box, the lower extreme of taper shank is connected with the inner tube, the below of pipe box is connected with the outer tube.

Preferably, the breather includes air vent, toper pole, fixed block, shifting chute and first expanding spring, the fixed block welding is in rotary switch's inside, the air vent has been seted up on the fixed block, the inside of fixed block is located and is provided with the shifting chute with the corresponding department of air vent, be provided with the toper pole between shifting chute and the air vent, be provided with first expanding spring on the toper pole.

Preferably, the adjusting block comprises a movable clamping block, a clamping groove, a trapezoid clamping block, a second telescopic spring and a movable block, the clamping groove is arranged on the inner wall of the pipe sleeve in a clamped mode, the movable clamping block is clamped in the clamping groove, the trapezoid clamping block is arranged on the movable clamping block, the second telescopic spring is arranged below the trapezoid clamping block and connected with the movable block, the movable block is connected with the taper shank, and the trapezoid clamping block is in contact with the sealing element.

Preferably, the middle of the inner pipe is provided with a threaded pipe, and the tail end of the inner pipe is provided with a puncture cone.

Preferably, the two sides of the pipe sleeve are connected with fixing lugs, and the surface of the rotary switch is provided with a second air inlet at the position corresponding to the first air inlet.

Preferably, the seal and the taper shank have mutually cooperating tapered surfaces.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with the breather, the breather can prevent effectively that gas pressure from taking place the backward flow when not enough, avoids filling inert gas to take place to leak to influence operation effect, the adjusting block can extrude taper shank and sealing member, avoids because there is the clearance to take place not hard up in sealing member and taper shank, and the adjusting block provides the holding power for the taper shank.

Drawings

FIG. 1 is a schematic view showing the overall structure of a disposable puncture instrument for laparoscope according to the present invention;

FIG. 2 is a front view of a disposable puncture instrument for laparoscope of the present invention;

FIG. 3 is a schematic view of a breather of a disposable puncture instrument for laparoscopy of the present invention;

FIG. 4 is a schematic view of the inside of a tube sleeve of a disposable puncture instrument for laparoscopy of the present invention;

fig. 5 is an enlarged view of a disposable puncture instrument for laparoscope of the present invention at a.

In the figure: 1. a tailstock; 2. a rotary switch; 3. pipe sleeve; 4. an outer tube; 5. an inner tube; 6. fixing the ear; 7. a threaded pipe; 8. puncturing a awl; 9. an air inlet pipe; 10. a first air inlet; 11. an aerator; 1101. a vent hole; 1102. a tapered rod; 1103. a fixed block; 1104. a moving groove; 1105. a first extension spring; 12. a second air inlet; 13. a support block; 14. an adjusting block; 1401. a movable clamping block; 1402. a card slot; 1403. a trapezoidal fixture block; 1404. a second extension spring; 1405. a movable block; 15. a seal member; 16. connecting blocks; 17. a taper shank.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a disposable puncture outfit for laparoscope comprises a tailstock 1, a pipe sleeve 3, an outer pipe 4 and an inner pipe 5, wherein the pipe sleeve 3 is provided with a supporting block 13 and a connecting block 16, the connecting block 16 is connected with the pipe sleeve 3 through threads, the surface of the pipe sleeve 3 is provided with an air inlet pipe 9, the air inlet pipe 9 is provided with a first air inlet 10 and a rotary switch 2, the rotary switch 2 is internally provided with a breather 11, a sealing element 15 is clamped between the supporting block 13 and the tailstock 1, a taper shank 17 is arranged between the sealing element 15 and the pipe sleeve 3, the lower end of the taper shank 17 is connected with the inner pipe 5, and the outer pipe 4;

the ventilator 11 comprises a vent hole 1101, a tapered rod 1102, a fixing block 1103, a moving groove 1104 and a first expansion spring 1105, wherein the fixing block 1103 is welded inside the rotary switch 2, the vent hole 1101 is formed in the fixing block 1103, the moving groove 1104 is arranged in the fixing block 1103 at a position corresponding to the vent hole 1101, the tapered rod 1102 is arranged between the moving groove 1104 and the vent hole 1101, and the first expansion spring 1105 is arranged on the tapered rod 1102; the adjusting block 14 comprises a movable clamping block 1401, a clamping groove 1402, a trapezoid clamping block 1403, a second telescopic spring 1404 and a movable block 1405, the clamping groove 1402 is clamped on the inner wall of the pipe sleeve 3, the movable clamping block 1401 is clamped in the clamping groove 1402, the trapezoid clamping block 1403 is arranged on the movable clamping block 1401, the second telescopic spring 1404 is arranged below the trapezoid clamping block 1403, the movable block 1405 is connected with the movable block 1404, the movable block 1405 is connected with the taper shank 17, and the trapezoid clamping block 1403 is in contact with the sealing element 15; the middle of the inner pipe 5 is provided with a threaded pipe 7, and the tail end of the inner pipe 5 is provided with a puncture cone 8; the two sides of the pipe sleeve 3 are connected with fixing lugs 6, and the surface of the rotary switch 2 is provided with a second air inlet 12 at the position corresponding to the first air inlet 10; the seal 15 and the taper shank 17 have mutually cooperating conical surfaces.

It should be noted that, the utility model relates to a disposable puncture outfit for laparoscope, which is to open the tailstock 1, put the taper shank 17 into the pipe sleeve 3, clamp the movable block 1401 of the adjusting block 14 into the slot 1402 of the pipe sleeve 3, install the sealing member 15 in the pipe sleeve 3, make the sealing member 15 contact with the trapezoidal block 1403, make the trapezoidal block 1403 and the movable block 1405 extrude the conical surfaces of the sealing member 15 and the taper shank 17 under the action of the second extension spring 1404, ensure the tight contact between the taper shank 17 and the sealing member 15, connect the tailstock 1 by the screw thread of the connecting block 16, when in use, connect the first air inlet 10 of the air inlet tube 9 with the air tube through which air is introduced, by rotating the rotary switch 2, make the first air inlet 10 coincide with the second air inlet 12, make the air enter the interior of the air inlet tube 9 through the second air inlet 12, make gaseous extrusion breather 11's conical rod 1102, when atmospheric pressure is greater than the elasticity of first expanding spring 1105, conical rod 1102 moves along shifting chute 1104, make it inside gaseous fixed block 1103 of entering into along vent 1101, and then enter into taper shank 17, the operation doctor grips two fixed ears 6 through the finger, the palm grips tailstock 1 and performs the operation, pierce patient's abdominal cavity with outer tube 4, and fix through screwed pipe 7 and patient's muscle, avoid puncture ware when performing the operation to take place to remove, and stretch out puncture awl 8 of inner tube 5 and perform the operation.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A disposable puncture instrument for laparoscope, comprising: including tailstock (1), pipe box (3), outer tube (4) and inner tube (5), supporting shoe (13) and connecting block (16) have on pipe box (3), connecting block (16) are connected with pipe box (3) through the screw thread, surface intake pipe (9) of pipe box (3), first air inlet (10) and rotary switch (2) are gone up in intake pipe (9), the inside of rotary switch (2) is provided with breather (11), accompany sealing member (15) between supporting shoe (13) and tailstock (1), be provided with taper shank (17) between sealing member (15) and pipe box (3), the lower extreme of taper shank (17) is connected with inner tube (5), the below of pipe box (3) is connected with outer tube (4).

2. A disposable puncture instrument for laparoscope according to claim 1, wherein: the ventilator (11) comprises a vent hole (1101), a conical rod (1102), a fixing block (1103), a moving groove (1104) and a first expansion spring (1105), wherein the fixing block (1103) is welded inside the rotary switch (2), the vent hole (1101) is formed in the fixing block (1103), the moving groove (1104) is arranged in the position, corresponding to the vent hole (1101), inside the fixing block (1103), the conical rod (1102) is arranged between the moving groove (1104) and the vent hole (1101), and the first expansion spring (1105) is arranged on the conical rod (1102).

3. A disposable puncture instrument for laparoscope according to claim 2, wherein: still include adjusting block (14), adjusting block (14) are including activity fixture block (1401), draw-in groove (1402), trapezoidal fixture block (1403), second expanding spring (1404) and movable block (1405), the inner wall card of pipe box (3) is equipped with draw-in groove (1402), activity fixture block (1401) has in draw-in groove (1402), trapezoidal fixture block (1403) has on activity fixture block (1401), the below of trapezoidal fixture block (1403) is provided with second expanding spring (1404), second expanding spring (1404) are connected with movable block (1405), movable block (1405) are connected with taper shank (17), trapezoidal fixture block (1403) contact with sealing member (15).

4. A disposable puncture instrument for laparoscope according to any one of claims 1 to 3, wherein: the middle of the inner pipe (5) is provided with a threaded pipe (7), and the tail end of the inner pipe (5) is provided with a puncture cone (8).

5. A disposable puncture instrument for laparoscope according to any one of claims 1 to 3, wherein: two sides of the pipe sleeve (3) are connected with fixing lugs (6), and a second air inlet (12) is formed in the position, corresponding to the first air inlet (10), of the surface of the rotary switch (2).

6. A disposable puncture instrument for laparoscope according to any one of claims 1 to 3, wherein: the sealing element (15) and the taper shank (17) have mutually cooperating conical surfaces.