阅读说明：本技术 一种创伤负压治疗装置 (negative pressure wound therapy device ) 是由 杜锐 杜兰平 李启鹏 于 2019-11-25 设计创作，主要内容包括：一种创伤负压治疗装置,涉及医疗器械,设有海绵、埋置主体,埋置主体上部设有至少两个引流腔,引流腔下侧设有至少两个冲洗腔,引流腔上侧上设有引流孔,冲洗腔下侧上设有冲洗孔,海绵内埋置有两个埋置主体,埋置主体后端上设有冲洗座和引流座,冲洗座内设有与冲洗腔连通的冲洗集合腔,引流座内设有与引流腔连通的引流集合腔；两个引流集合腔分别经汇集管与T型三通球阀的第一通道端、第二通道端相连,两个冲洗集合腔分别经冲洗管连接L型三通球阀的第一通道端,L型三通球阀的第二通道端与同一埋置主体上的汇集管相连。本发明具有种结构简单、使用方便,冲洗过程中无需关闭负压引流管,创面不会发生负压泄漏、安全可靠,冲洗效果好等优点。(negative pressure wound therapeutic equipment, involve the medical apparatus, there are sponge, imbed the body, imbed the upper portion of the body and have at least two drainage lumens, there are at least two washing lumens under the drainage lumen, there are drainage holes on the upper side of the drainage lumen, there are washing holes on the lower side of washing lumen, imbed two imbed bodies in the sponge, imbed the rear end of the body and have washing seat and drainage seat, there are washing collecting cavities communicated with washing lumen in the washing seat, there are drainage collecting cavities communicated with drainage lumen in the drainage seat, two drainage collecting cavities link with channel end, second channel end of T-shaped three-way ball valve separately through the manifold, two wash collecting cavities connect channel end of L-shaped three-way ball valve separately through the washing tube, the second channel end of L-shaped three-way ball valve links with manifold on the embedded body of , the invention has simple in construction, easy to use, does not need to close the negative pressure drainage tube in the washing process, will not leak, safe and reliable, wash effectually, etc.)

The negative pressure wound treating apparatus includes one sponge, one flat embedded main body with at least two transverse drainage cavities, at least two flushing cavities below the drainage cavities, drainage holes in the upper side of the drainage cavities, two parallel embedded main bodies inside the sponge, flushing seats and drainage seats in the back ends of the embedded main bodies, flushing collecting cavities in the flushing seats, drainage collecting cavities communicated with the flushing cavities, drainage collecting cavities communicated with the drainage cavities, flushing collecting cavities in the drainage seats, flushing collecting cavities communicated with the drainage cavities, collecting pipes connected to the flushing collecting pipes of the flushing seats, the flushing collecting cavities in the embedded main bodies, the T-shaped three-way ball valve, the negative pressure ball valve, and flushing ball valve.

2. The negative pressure wound therapy device of claim 1, wherein: the cross section of the embedded main body is rectangular, and the length of the rectangle is at least twice as long as the width of the rectangle.

3. The negative pressure wound therapy device according to claim 1 or 2, wherein: three drainage cavities which are parallel to each other are transversely and evenly distributed in the upper part of the embedded main body, and four flushing cavities which are parallel to the drainage cavities are transversely and evenly distributed in the lower part of the embedded main body on the lower side of the drainage cavity.

4. The negative pressure wound therapy device of claim 3, wherein: the sponge be rectangular slice, be equipped with the front and back direction setting in the sponge, the open embedding groove in rear end, the embedding main part insert the embedding inslot through the embedding notch at sponge rear end.

Technical Field

The invention relates to the field of medical instruments, in particular to negative pressure wound therapy devices which have simple structure and convenient use, do not need to close a negative pressure drainage tube in the flushing process, have no negative pressure leakage on the wound surface, are safe and reliable and have good flushing effect.

Background

The technology is proposed by Wim Fleischman of ULM university in Germany in 1992, and successfully applied to clinic, and good treatment effect is achieved, professor fur Wald introduces the technology into China in 1994, and after years of development, the technology is widely applied to multiple departments of general surgery, burn department, traumatology department and the like through , and a large amount of documents prove that the wound negative pressure treatment technology can effectively promote wound healing and reduce the incidence rate of infection.

The existing negative pressure wound treating technology comprises components such as a sponge, a drainage tube, a flushing tube, a sealing film and the like, wherein the drainage tube is embedded in the porous sponge, the flushing tube is positioned in the drainage tube or is independently embedded in the sponge, the sponge is sealed by the sealing film and isolated from the outside, drainage is carried out through the drainage tube, and sponge flushing and wetting are carried out through the flushing tube.

The existing negative pressure wound therapy device has the following defects: the washing pipe penetrates into the drainage pipe or the relative position of the washing pipe and the drainage pipe is close, when the washing pipe is used for washing and wetting, the drainage pipe needs to be closed, otherwise, the washing liquid cannot fully infiltrate the sponge and is directly sucked away by the drainage pipe, the washing wetting effect is poor, the drainage pipe is closed for washing, negative pressure exists in the sponge, when the sealing effect of the drainage pipeline is poor or fine sealing failure occurs in the using process, the negative pressure leakage easily occurs on the wound surface, and the risk of wound surface infection and the poor safety are increased.

Disclosure of Invention

The invention aims to solve the unreasonable problem of the existing negative pressure wound therapy device, and provides negative pressure wound therapy devices which are simple in structure, convenient to use, safe and reliable, do not need to close a negative pressure drainage tube in the flushing process, and have good flushing and wetting effects, and the wound surface does not leak negative pressure.

The technical scheme adopted by the invention for solving the technical problems is as follows:

negative pressure wound therapy device, there are sponges, wherein there are flat strip embedded bodies, there are at least two drainage cavities on the upper portion of the embedded body horizontally, there are at least two flushing chambers on the lower portion of the embedded body below the drainage cavity horizontally, there are drainage holes on the upper side of the drainage cavity, there are flushing holes on the lower side of flushing chamber, there are two embedded bodies parallel to each other in the sponge, there are flushing seats and drainage seats on the two embedded bodies rear side of sponge, there are flushing manifold chambers in the flushing seat, there are drainage manifold chambers in the drainage seat, flushing manifold chamber communicates with each flushing chamber, the drainage manifold chamber communicates with each drainage chamber, the drainage manifold chambers of two drainage seats on two embedded bodies connect the third channel end of the L-type three-way ball valve through the manifold separately, the second channel end of the L-type three-way ball valve links with embedded pipeline manifold of the L-type three-way ball valve separately, the flushing manifold end of the L-type three-way ball valve is the flushing fluid manifold of the L-way ball valve.

The cross section of the embedded main body is rectangular, and the length of the rectangle is at least twice as long as the width of the rectangle. The embedded main body can not rotate in the sponge, the directions of the flushing hole and the drainage hole are not easy to change by stress in the using process, and the treatment effect is good. The sponge is non-functional sponge made of polyvinyl alcohol.

Three drainage cavities which are parallel to each other are transversely and uniformly distributed in the upper part of the embedded main body, and four flushing cavities which are parallel to the drainage cavities are transversely and uniformly distributed in the lower part of the embedded main body on the lower side of the drainage cavities. The cross section of the embedded main body is rectangular, and the length of the rectangle is twice as long as the width of the rectangle.

The sponge is in a rectangular sheet shape, an embedding groove which is arranged in the front-back direction and is provided with an opening at the back end is arranged in the sponge, and the embedding main body is inserted into the embedding groove through an embedding notch at the back end of the sponge.

When the sponge negative pressure drainage ball valve is used, sponge is attached to a wound surface, then a negative pressure access end is connected with a negative pressure source or a collection container with negative pressure, a flushing fluid access end is connected with a flexible flushing fluid bag or is connected with a flushing fluid container through a pressurizing device, the sponge is sealed by a sealing film to be isolated from the outside, when the conventional negative pressure drainage is performed, a T-shaped three-way ball valve is controlled to enable a third channel, a second channel and a third channel of the T-shaped three-way ball valve to be communicated, a negative pressure source or a drainage switch of the collection container with the negative pressure is opened to perform suction and drainage treatment, when the conventional negative pressure drainage is performed, an L-shaped three-way ball valve can be controlled to enable a third channel to be communicated with the second channel, a negative pressure is generated in a flushing pipe and a flushing cavity to perform auxiliary drainage on an affected part, drainage holes are formed in the upper side and lower side of an embedded main body, directions and positions of the negative pressure drainage points and the drainage holes are increased, drainage effects are strengthened, when the sponge is dried, or partially solidified, the sponge needs to discharge a drainage fluid, the sponge is wetted, the sponge flows into a wetted drainage hole, the drainage ball valve is controlled to perform wetting, the wetted drainage ball valve is controlled to perform wetting, the wetted drainage ball valve is controlled to perform the wetted drainage ball valve to perform the wetted drainage ball valve, the wetted drainage valve to perform the wetted drainage valve to perform.

Drawings

The invention is further described in conjunction with the following figures.

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic view of the connection structure between the embedded body, the flushing seat, the drainage seat, the header, the flushing pipe, the T-shaped three-way ball valve and the L-shaped three-way ball valve in the present invention.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Detailed Description

The wound negative pressure treatment device as shown in fig. 1-3 is provided with a sponge 1, and is characterized in that a flat strip-shaped embedded main body 3 with a rectangular cross section is provided, the rectangular length of the cross section of the embedded main body 3 is twice as large as the width, the embedded main body 3 does not rotate in the sponge, the directions of a flushing hole and a drainage hole are not easy to change under force during use, the sponge 1 is a non-functional sponge made of polyvinyl alcohol, three drainage cavities 10 which are parallel to each other and arranged along the longitudinal direction are uniformly distributed in the upper portion of the embedded main body 3, four flushing cavities 12 which are parallel to the drainage cavity 10 are uniformly distributed in the lower portion of the embedded main body 3 on the lower side of the drainage cavity 10, drainage holes 2 are uniformly distributed on the upper side of the drainage cavity 10 along the longitudinal direction thereof, flushing holes 11 are uniformly distributed on the lower side of the flushing cavity 12 along the longitudinal direction thereof, two embedded main bodies 3 which are parallel to each other in the sponge 1, a second embedded main body and a second embedded main body 3, a second embedded main body which is provided with a flushing cavity collection ball valve and a flushing cavity 35 which are connected with a flushing ball valve 35, a flushing seat 365, a flushing ball valve is provided with a flushing seat 365, a flushing seat 366 and a flushing seat 365, a flushing seat is provided in the flushing seat connected with a flushing seat 366 and a second flushing seat 365, a flushing seat 366 and a flushing seat are provided in the flushing seat, a flushing seat 365, a flushing seat is provided in the flushing seat, a flushing seat connected with a flushing seat, a flushing seat 366 and a flushing seat, a flushing seat is provided in the flushing seat 366 and a flushing seat, a flushing seat 366 is provided in the flushing ball valve, a flushing seat connected with a flushing seat is provided in the flushing seat, a flushing seat 366 and a flushing seat, a flushing seat is provided in the flushing seat, a flushing seat 366 is provided in the flushing seat, a flushing ball valve assembly of the.

When the sponge negative pressure drainage ball valve is used, sponge is attached to a wound surface, then a negative pressure access end is connected with a negative pressure source or a collection container with negative pressure, a flushing fluid access end is connected with a flushing fluid container through a pressurizing device, the sponge is sealed by a sealing film and isolated from the outside, when the conventional negative pressure drainage is performed, a T-shaped three-way ball valve is controlled to enable a third channel channel, a second channel and a third channel to be communicated, a drainage switch of a negative pressure source or the collection container with negative pressure is opened for suction and drainage treatment, when the conventional negative pressure drainage is performed, an L-shaped three-way ball valve can be controlled to enable a third channel channel to be communicated with the second channel, a negative pressure is generated in a flushing pipe and a flushing cavity, auxiliary drainage is performed on an affected part, drainage holes are formed in the upper side and the lower side of an embedding main body, directions and positions of the negative pressure drainage points and the drainage holes are increased, the drainage effect is strengthened, when the sponge is dried, moistened or partially coagulated, the sponge is obstructed, the sponge is wetted, the sponge is needed to be drained, the drainage ball valve is used for controlling the drainage ball valve to enable a drainage ball valve to be sealed, the drainage ball valve to enable drainage holes to be sealed, the drainage ball valve to be sealed, the drainage holes to be sealed, the drainage ball valve is used for drainage ball valve is used, the drainage ball valve is used for drainage ball valve is used, the drainage ball valve is used for drainage ball valve is used, the drainage ball valve is used for drainage ball valve for drainage ball valve for drainage of the drainage ball valve for drainage of the drainage of a drainage valve for drainage of a drainage valve for drainage ball valve, the drainage valve for drainage valve, the drainage valve for drainage of a drainage valve for drainage of a drainage valve for drainage of a drainage valve for drainage of a drainage valve for drainage of a.