CN213823102U - Novel operation suction tube - Google Patents

Abstract

The utility model belongs to the technical field of medical equipment, a novel surgical suction tube is disclosed, which comprises a tube body, wherein the tube body is a conical tube body, the inner diameter of the tube bottom is smaller than that of the tube opening, one end of the tube bottom of the tube body is bent to form a bent part, the bottom of the tail end of the bent part is provided with a bottom hole, the side wall is provided with a side hole, the inner annular circumference of the tube body at the upper end of the tube body is provided with an asymmetric channel structure, the design structure of the asymmetric channel structure refers to a Tesla valve, the asymmetric channel structure comprises a direct current cavity and a reflux cavity, and the tube opening at the upper side; the utility model provides a current suction tube appear easily by the suction thing backward flow, influence the attraction effect, cause the problem of adverse consequence such as art district retrograde infection even, be applicable to the liquid that the absorption influences art district in the surgical operation.

Description

Novel operation suction tube

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a novel operation attracts pipe.

Background

At present, in surgical operation, various liquids influencing the operation visual field are usually sucked by a suction tube, the suction tube is connected with a storage tank with a negative pressure suction device to suck body fluid or blood into the storage tank to keep the operation visual field clear and tidy, but in the prior art, a common drainage tube is mostly a double-sleeve tube, the diameter of an outer sleeve tube is thick, the volume is large, the operation visual field is influenced, an inner sleeve tube is a single tube, the tail end of the inner sleeve tube is a cross section, part of operation areas are narrow, the space is limited, the using space of the double-sleeve tube occupies more space, the operation is influenced, an operator mostly removes the outer sleeve tube and only uses the inner sleeve tube, but the tail end of the inner sleeve tube is only opened, the inner sleeve tube is very easy to be blocked by absorption area tissues and free tissues, the clear and tidy operation visual field cannot be ensured, and meanwhile, when the drainage is required to be suspended in an accident situation, the suction tube is easy to flow back to the operation area, affecting the attraction effect and even causing adverse consequences such as retrograde infection in the operation area.

In order to solve the above problems, chinese patent (patent publication No. CN110755701A) discloses an anti-blocking suction apparatus, which comprises a suction tube and a negative pressure joint, wherein one end of the suction tube is a suction port, the other end of the suction tube is connected to the negative pressure joint, and the inner diameter of the suction tube tends to gradually increase from one end of the suction port to the other end.

According to the scheme, the pipe diameter of the suction pipe of the suction apparatus is gradually increased from one end of the suction opening to the other end, and tissues, bone fragments and the like are prevented from being blocked easily as long as entering the suction pipe from the small opening; however, the device still has the problems that when the drainage is suspended, the suction object in the suction tube is easy to flow back to the operation area, the suction effect is influenced, and adverse effects such as retrograde infection of the operation area are caused, so that the suction tube for reducing the backflow of the suction object in the suction tube is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel operation attracts pipe to solve current attraction pipe and influence the attraction effect because of the aspirator backward flow, cause the problem of adverse consequences such as art district retrograde infection even.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a basic technical scheme is: the utility model provides a novel operation attracts pipe, includes the pipe body, pipe body bottom is equipped with the bottom hole, the pipe body is equipped with asymmetric channel structure, asymmetric channel structure includes direct current cavity and backward flow cavity, asymmetric channel structure circulates to the mouth of pipe from the socle and is following current, asymmetric channel structure circulates to the socle from the mouth of pipe and is the backward flow, asymmetric channel structure provides a backward flow cavity at least.

The principle of the basic technical scheme is as follows: during drainage, an aspirator enters the aspirator tube through the bottom hole, flows from the bottom of the aspirator tube to the tube opening and flows through the asymmetric channel structure to form a downstream flow, the flow of the aspirator does not flow through the backflow chamber, the total pressure loss is small, and the aspirator can flow out conveniently; when backflow occurs, the suction object flows from the mouth of the suction tube to the bottom of the suction tube and flows through the asymmetric channel structure to form backflow, the suction object flows through the backflow cavity, total pressure loss is large, and backflow of the suction object is reduced.

The beneficial effects of the basic technical scheme are as follows: during drainage, the asymmetric channel structure has the characteristic that the forward flow resistance is far smaller than the reverse flow resistance, and can promote the unidirectional flow of fluid according to the specified direction, so that the suction is easy to drain and difficult to flow back.

Preferably, one end of the bottom of the pipe body is provided with a bending part.

Through the above setting, at the operation in-process, the suitable direction of selection when the vice operator of being convenient for uses this attraction pipe avoids influencing the operation of main operator, simultaneously in the operation field of vision narrow and small relatively, also be convenient for attract the portion of bending of pipe get into by sheltered from in the liquid product recess, it is more convenient to use, and the suitability is wider.

Preferably, the bending angle of the bending part is 135-150 degrees.

Preferably, the side wall of the bending part is provided with a side hole.

Through the setting, add the side opening, increase the quantity that flows into the hole, be more difficult to the jam for the drainage speed of attracting the pipe simultaneously, raise the efficiency.

Preferably, the pipe body is a conical pipe body, and the inner diameter of the pipe bottom of the pipe body is smaller than the inner diameter of the pipe opening.

Through the arrangement, the suction object enters the suction tube through the bottom hole, flows in from the tube bottom with small inner diameter, flows out from the tube opening with large inner diameter, prevents the blockage of the suction tube, and is convenient for the continuous operation.

Preferably, the pipe body pipe orifice is provided with an anti-skid rubber sleeve.

Through the arrangement, when the suction tube is used, the suction tube is effectively prevented from slipping off.

Drawings

FIG. 1 is a schematic structural view of the novel surgical suction tube during fluid drainage;

FIG. 2 is a schematic structural view of the novel surgical suction tube during liquid backflow;

the names of corresponding labels in the drawings are:

the pipe comprises a pipe body 1, a bottom hole 2, an asymmetric channel structure 3, a direct current chamber 4, a backflow chamber 5, a side hole 6, an anti-skid rubber sleeve 7 and a bending part 8.

Detailed Description

The invention will be described in further detail with reference to the following drawings and embodiments:

as shown in fig. 1, a novel operation attracts pipe, including pipe body 1, pipe body 1 is the circular cone body that the socle internal diameter is less than the mouth of pipe internal diameter, pipe body 1 left end is bent 150 degrees, the angle of bending of this embodiment is 150 degrees, form the portion of bending 8, 8 left end bottoms of the portion of bending are opened there is bottom hole 2, the lateral wall is opened there is side opening 6, the inside annular a week of pipe body is equipped with asymmetric access structure 3 in 1 upper end of pipe body, asymmetric access structure 3's design structure refers to tesla valve, asymmetric access structure 3 includes direct current cavity 4 and backward flow cavity 5, 1 upside mouth of pipe cover of pipe body has anti-skidding rubber sleeve 7 that has the bump.

The specific implementation process is as follows: when the suction tube is used for drainage, as shown in figure 1, the bending part 8 of the tube body 1 is placed at a position needing drainage by the aid of the handheld anti-slip rubber sleeve 7, the bending part 8 can conveniently enter the shielded liquid product groove, the bottom hole 2 or the side hole 6 is submerged by an aspirator, the aspirator enters the tube body 1 through the bottom hole 2 and the side hole 6, the aspirator flows through the asymmetric channel structure 3 from the tube bottom to flow to the tube opening, the aspirator directly flows out the asymmetric channel structure 3 through the direct-current chamber 4 without flowing into the backflow chamber 5, the total pressure loss is small, the aspirator is easily drained, the inner diameter of the tube bottom of the tube body 1 is smaller than the inner diameter of the tube opening in the process of drainage of the aspirator, the aspirator flows in from the tube bottom through the small inner diameter, the tube opening with the large inner diameter flows out, the aspirator is not easy to block the suction tube, and the drainage effect is good.

When the drainage is suspended, as shown in fig. 2, the suction matter in the tube body 1 flows back, flows through the asymmetric channel structure 3 from the tube opening to flow to the tube bottom, flows through the direct-current chamber 4 and flows to the backflow chamber 5, and collides with the wall of the backflow chamber 5 for many times in the flowing process, flows back in the asymmetric channel structure 3, so that the pressure loss of the suction matter is large, and the backflow of the suction matter to the tube bottom is greatly reduced.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (6)

1. A novel operation suction tube is characterized in that: including pipe body (1), pipe body (1) bottom is equipped with bottom outlet (2), be equipped with asymmetric channel structure (3) in pipe body (1), asymmetric channel structure (3) include direct current cavity (4) and backward flow cavity (5), asymmetric channel structure (3) circulate to the mouth of pipe from the bottom of pipe for following current, asymmetric channel structure (3) circulate to the bottom of pipe for the backward flow from the mouth of pipe, asymmetric channel structure (3) provide one backward flow cavity (5) at least.

2. The novel surgical suction tube of claim 1, wherein: one end of the bottom of the pipe body (1) is provided with a bending part (8).

3. The novel surgical suction tube of claim 2, wherein: the bending angle of the bending part (8) is 135-150 degrees.

4. The novel surgical suction tube of claim 2, wherein: the side wall of the bending part (8) is provided with a side hole (6).

5. The novel surgical suction tube of claim 1, wherein: the pipe body (1) is a conical pipe body, and the inner diameter of the bottom of the pipe body (1) is smaller than that of the pipe orifice.

6. The novel surgical suction tube of claim 1, wherein: the pipe body (1) is provided with an anti-skid rubber sleeve (7) at the pipe orifice.

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