CN213158237U - Closed negative pressure drainage device - Google Patents
Closed negative pressure drainage device Download PDFInfo
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- CN213158237U CN213158237U CN202021482307.7U CN202021482307U CN213158237U CN 213158237 U CN213158237 U CN 213158237U CN 202021482307 U CN202021482307 U CN 202021482307U CN 213158237 U CN213158237 U CN 213158237U
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Abstract
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a can effectively solve stifled tub problem among the current negative pressure drainage art of sealing, avoid the skin piece of transplanting to dissociate in the surface of a wound, effectively improve drainage efficiency, amazing wound growth healing's sealed negative pressure drainage device, a serial communication port, interior concave part is the arch, the position department on the nearly top of concave part including the preceding port setting of pipeline, interior concave part is equipped with the stand of vertical setting more than two, and the upper end of stand links to each other with the inner wall of interior concave part, and the stand is radial distribution around the axis of interior concave part more than two, compared with the prior art, the utility model, have rational in infrastructure, drainage efficiency is high, prevent that stifled pipe etc. is showing advantage.
Description
The technical field is as follows:
the utility model belongs to the technical field of the medical instrument technique and specifically relates to a can effectively solve the stifled pipe problem among the current negative pressure drainage technique of sealing, avoid the skin piece of transplanting to dissociate in the surface of a wound, effectively improve drainage efficiency, amazing wound growth healing's sealed negative pressure drainage device.
Background art:
the closed negative pressure drainage device is mainly applied to wound treatment, a wound surface formed after soft tissue defect and necrosis is covered by medical materials, a semitransparent film is pasted to form a closed space, an external negative pressure source is connected through a drainage tube, and the whole wound surface is in a closed negative pressure drainage state through proper negative pressure during operation.
The existing closed negative pressure drainage device mainly comprises a negative pressure suction cup for forming a negative pressure closed space and a pipeline connected with the suction cup, for example, patent document CN209645512U discloses a suction cup pipeline device which is provided with a suction cup and a leading-out pipeline connected with the suction cup, wherein the leading-out pipeline comprises a flat tube with one end connected with the suction cup, ribs are arranged in the flat tube along the length direction, and the ribs on the tube wall on the upper side of the flat tube are staggered with the ribs on the tube wall on the lower side of the flat tube. Research personnel's the intention lies in providing one kind when being set up in patient's health lower part, oppress little, more comfortable pipeline to the patient, however in the in-service use, the drainage pipeline that adopts this kind of structure is because of having the suction line of similar calandria, and the pipeline pipe diameter is restricted, often because of containing wound surface purulent secretion, tissue piece, necrotic tissue etc. in the drainage liquid, takes place the jam, leads to the accumulation of wound surface exudate, wound surface negative pressure treatment failure. In addition, the port of the suction pipeline is positioned on the side surface of the sucking disc, so that the port is easy to block, and the problem that negative pressure cannot be uniformly conducted to the wound surface exists, namely, the negative pressure needs to be transmitted from one side of the negative pressure cavity to the other side, the pressure of each point of the wound surface is uneven, when a new skin grafting sheet is arranged on the wound surface, the negative pressure is easy to dissociate from the wound surface due to the action of the negative pressure, and the wound surface is not easy.
The invention content is as follows:
the utility model discloses shortcoming and not enough to exist among the prior art, provided one kind and can effectively solved stifled pipe problem, avoid the skin piece of transplantation to dissociate in the surface of a wound, effectively improved drainage efficiency, amazing wound growth healing's closed negative pressure drainage device.
The utility model provides a seal negative pressure drainage device, is equipped with sucking disc main part and drainage flushing line, wherein is equipped with interior concave part in the sucking disc main part, concave part in the pipeline front end access, its characterized in that, interior concave part is the arch, and the position department on the nearly top of concave part including the preceding port setting of pipeline, interior concave part is equipped with the stand of vertical setting more than two, and the upper end of stand links to each other with the inner wall of interior concave part, and the stand is radial distribution around the axis of interior concave part more than two.
Drainage flushing line is including the drainage pipeline and the flushing line of parallel setting, and the port has the scarf that is linked together with the concave part in the sucking disc main part before the pipeline to form the port that the area is greater than drainage flushing line cross section, be convenient for discharge fast such as purulent secretion, tissue piece, necrotic tissue.
The central authorities of sucking disc main part set up interior concave part, and interior concave part can be partial cylindric or partial spherical or semi-circular or partial ellipsoid shape, and is further, and preferred interior concave part is partial spherical, and the axis of drainage tube and the radial coincidence in bottom surface of interior concave part in the drainage flushing line, the axis of flushing line and the radial parallel in interior concave part bottom surface to make the flush fluid send into interior concave part along spherical tangential direction, make the flush fluid fully circulate in the negative pressure intracavity, avoid the flush fluid to be taken out rapidly under the negative pressure effect, guarantee the flushing effect.
The stand is slice or platelike, the lower extreme parallel and level of stand more than two, and is further, and the stand that is slice or platelike has the side of glossy arc indent or arc evagination for the flush fluid provides the buffering circulation plane of reflection, guarantee that the flush fluid fully circulates in the negative pressure intracavity.
The utility model discloses, in order to guarantee that the negative pressure chamber can not the collapse under the negative pressure effect, the stand is narrow trapezoidal down wide, and stand upper end thickness is greater than stand lower extreme thickness, and further the stand is close to the thickness of interior concave part axis one side and is less than opposite side thickness, and the stand more than two is the equidistance around interior concave part axis and radiates the distribution.
Be platelike or flaky stand and radially have the contained angle in the projection of horizontal direction and the bottom surface of spherical interior concave part, the equal skew spherical interior concave part bottom surface radial fixation angle of stand more than two promptly has both guaranteed the support to the interior concave part of arch, also can provide the plane of reflection for the intensive dispersion circulation of flush fluid, guarantees to wash the effect.
The central point department of interior concave part still is equipped with the cylindric center post of vertical setting, and the center post outside sets up the slice or the platelike stand of more than two radial distributions around center post.
The utility model discloses the scarf front side that well pipeline front end and the interior recess of sucking disc main part are linked together does not set up the stand for form abundant drainage space, improve drainage efficiency, avoid the sepage to gather.
The outer side of the inner concave part of the sucker main body is provided with an annular sucker attaching part, the bottom surface of the sucker attaching part is provided with convex ribs which are distributed radially along the central point of the sucker main body and are used for increasing the strength of the sucker attaching part, avoiding the sucker attaching part from curling and improving the sealing effect of the negative pressure sealing cavity; furthermore, the convex rib is an L-shaped convex rib, namely one end of the convex rib close to the central point of the sucker main body extends towards the inner wall of the concave part in the sucker main body to form a bent part for supporting the concave part, so that enough support is provided for the negative pressure cavity; furthermore, the L-shaped convex rib consists of a bending part and an extending part, the bending part and the extending part are both wedge-shaped, and the bending part is connected with the higher side of the extending part, so that the inner concave part of the sucker main body forms independent supporting force relative to other parts of the sucker main body; furthermore, in order to ensure that the drainage liquid and the cleaning liquid can smoothly flow, the side wall of the inner concave part provided with the beveled opening area is not provided with a convex rib of the bending part.
The utility model discloses a be equipped with arch indent portion in the sucking disc main part, make sucking disc main part and surface of a wound laminating after, can form the negative pressure chamber that has a take the altitude, set up the front port of two-chamber side by side drainage flushing line near negative pressure chamber top to guarantee that the negative pressure appeal evenly applies to whole cavity along negative pressure chamber center, avoid the seepage liquid that causes because of the negative pressure is inhomogeneous remains, the skin piece is free scheduling problem; the stand columns are vertically arranged, the bottom surfaces of the stand columns are flush, uniform pressure can be applied to the wound surface, and the newly-planted skin is prevented from dissociating on the wound surface under the action of negative pressure attraction; among the drainage flushing line way, drainage line way's axis overlaps with the radial line in spherical concave part bottom surface, has guaranteed that the negative pressure appeal evenly exerts the surface of a wound on, and flushing line's axis is parallel with spherical concave part tangential direction to make the flush fluid pour into the back, follow the abundant circulation of spherical concave part inner wall, accomplish the thorough cleaning of the surface of a wound.
Compared with the prior art, the utility model, have rational in infrastructure, drainage efficiency is high, prevent that stifled pipe etc. is showing advantage.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a suction cup main body in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of the column in embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of a suction cup body in embodiment 3 of the present invention.
Reference numerals: sucking disc main part 1, pipeline 2, interior concave part 3, stand 4, drainage pipeline 5, wash pipeline 6, scarf 7, central stand 8, sucking disc laminating portion 9, protruding muscle 10, kink 11, extension 12.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings and examples.
As shown in the accompanying drawing 1, the utility model provides a seal negative pressure drainage device is equipped with sucking disc main part 1 and drainage flushing line 2, wherein is equipped with interior concave part 3 on the sucking disc main part 1, and concave part 3 in 2 front ends access of pipeline, interior concave part 3 is the arch, and the position department on the nearly top of concave part 3 including the preceding port setting of pipeline 2, interior concave part 3 is equipped with the stand 4 of vertical setting more than two, and the upper end of stand 4 links to each other with the inner wall of interior concave part 3, and stand 4 is radial distribution around the axis of interior concave part 3 more than two.
The central authorities of sucking disc main part 1 set up interior concave part 3, interior concave part 3 can be partial cylindric or partial spherical or semi-circular or partial ellipsoid shape, and is further, preferred interior concave part 3 is partial spherical, drainage pipeline 5's axis and interior concave part 3's bottom surface radially coincide in the drainage flushing line 2, flushing line 6's axis and the radial parallel in interior concave part 3 bottom surface to make the flush fluid send into interior concave part 3 along spherical tangential direction, make the flush fluid fully circulate in the negative pressure intracavity, avoid the flush fluid to be taken out rapidly under the negative pressure effect, guarantee the flushing effect.
The utility model discloses, in order to guarantee that the negative pressure chamber can not the collapse under the negative pressure effect, stand 4 is narrow trapezoidal under wide, and stand 4 upper end thickness is greater than 4 lower extreme thicknesses of stand, and further stand 4 is close to the thickness of interior concave part axis one side and is less than opposite side thickness, and stand 4 more than two is the equidistance around interior concave part axis and radiates the distribution.
Be platelike or flaky stand 4 and radially have the contained angle in the projection of horizontal direction and the bottom surface of spherical interior concave part 3, stand 4 more than two is promptly the radial fixed angle in spherical interior concave part bottom surface all skew, has both guaranteed the support to the interior concave part of hunch-up, also can provide the plane of reflection for the intensive dispersion circulation of flush fluid, guarantees to wash the effect.
The central point department of interior concave part 3 still is equipped with cylindric center post 8 of vertical setting, and the center post 8 outside sets up the slice or the platelike stand of more than two radial distributions around center post 8.
The utility model discloses well pipeline front end does not set up stand 4 with 7 front sides of scarf that the concave part is linked together in the sucking disc main part for form abundant drainage space, improve drainage efficiency, avoid the sepage to gather.
The utility model is provided with an annular sucker attaching part 9 outside the inner concave part 3 of the sucker main body, the bottom surface of the sucker attaching part 9 is provided with convex ribs 10, the convex ribs 10 are distributed radially along the central point of the sucker main body and are used for increasing the strength of the sucker attaching part 9, avoiding the sucker attaching part 9 from curling, and improving the sealing effect of the negative pressure sealing cavity; furthermore, the convex rib 10 is an L-shaped convex rib, that is, one end of the convex rib close to the central point of the sucker main body extends towards the inner wall of the concave part 3 in the sucker main body to form a bent part 11 for supporting the concave part, so as to provide enough support for the negative pressure cavity; further, the L-shaped convex rib is composed of a bending part 11 and an extending part 12, the bending part 11 and the extending part 12 are both wedge-shaped, and the bending part 11 is connected with the higher side of the extending part 12, so that the inner concave part 3 of the sucker main body forms independent supporting force relative to other parts of the sucker main body; furthermore, in order to guarantee that drainage liquid and washing liquid circulation are smooth and easy, be equipped with near 3 lateral walls of the regional interior concave part of scarf 7 and not set up the protruding muscle of kink.
Example 1:
the embodiment provides a closed negative pressure drainage device which is provided with a sucker main body 1 and a drainage flushing pipeline 2, wherein the sucker main body 1 is provided with an inner concave part 3, the front end of the pipeline 2 is connected with the inner concave part 3, the inner concave part 3 is arched, the front end opening of the pipeline 2 is arranged at the position close to the top end of the inner concave part 3, the inner concave part 3 is provided with more than two upright posts 4 which are vertically arranged, the upper ends of the upright posts 4 are connected with the inner wall of the inner concave part 3, and the more than two upright posts 4 are radially distributed around the central axis of the inner concave part 3;
the drainage flushing pipeline 2 comprises a drainage pipeline 5 and a flushing pipeline 6 which are arranged in parallel, and the front end opening of the pipeline 2 is provided with a bevel cut 7 communicated with the concave part 3 in the sucker main body, so that an end opening with an area larger than the cross section of the drainage flushing pipeline 2 is formed, and purulent secretion, tissue fragments, necrotic tissues and the like can be conveniently and quickly discharged;
the central authorities of sucking disc main part 1 set up interior concave part 3, and interior concave part 3 is the radial coincidence in axis of drainage pipeline 5 and the bottom surface of interior concave part 3 among the partial spherical drainage flushing pipeline, and the axis that washes pipeline 6 is radially parallel with 3 bottom surfaces of interior concave part to make the flush fluid send into interior concave part along spherical tangential direction, make the flush fluid fully circulate in the negative pressure intracavity, avoid the flush fluid to be taken out rapidly under the negative pressure effect, guarantee to wash the effect.
Example 2:
the embodiment provides a closed negative pressure drainage device which can effectively ensure that flushing fluid can be fully circulated in a negative pressure cavity, and then the flushing effect is ensured:
the structure of the embodiment is similar to that of embodiment 1, the suction cup is provided with a suction cup main body 1 and a drainage flushing pipeline 2, wherein the suction cup main body 1 is provided with an inner concave part 3, the front end of the pipeline 2 is connected with the inner concave part 3, the inner concave part 3 is arched, the front end opening of the pipeline 2 is arranged at the position close to the top end of the inner concave part 3, the inner concave part 3 is provided with more than two upright posts 4 which are vertically arranged, the upper ends of the upright posts 4 are connected with the inner wall of the inner concave part 3, the upright posts 4 are flaky or platy, the lower ends of the more than two upright posts 4 are flush, and the more than two;
the drainage flushing pipeline 2 comprises a drainage pipeline 5 and a flushing pipeline 6 which are arranged in parallel, and the front end opening of the pipeline 2 is provided with a bevel cut 7 communicated with the concave part 3 in the sucker main body, so that an end opening with an area larger than the cross section of the drainage flushing pipeline 2 is formed, and purulent secretion, tissue fragments, necrotic tissues and the like can be conveniently and quickly discharged;
in this example, as shown in fig. 3, the sheet-shaped or plate-shaped upright post has a smooth arc-shaped concave or arc-shaped convex side surface for providing a buffering and flowing reflecting surface for the flushing liquid to ensure that the flushing liquid can flow sufficiently in the negative pressure cavity; in order to ensure that the negative pressure cavity can not collapse under the action of negative pressure, the upright column 4 is in a trapezoid shape with a wide upper part and a narrow lower part, the thickness of the upper end of the upright column 4 is greater than that of the lower end of the upright column, the thickness of the upright column 4 close to one side of the central axis of the concave part is smaller than that of the other side, and the upright columns 4 more than two are distributed around the central axis of the concave part in.
Example 3:
the embodiment provides the closed negative pressure drainage device which can prevent the negative pressure cavity from collapsing, prolong the circulation time of flushing liquid in the negative pressure cavity, prevent the flushing liquid from being rapidly pumped out under the action of negative pressure and further improve the flushing effect;
the closed negative pressure drainage device is provided with a sucker main body 1 and a drainage flushing pipeline 2, wherein the sucker main body 1 is provided with an inner concave part 3, the front end of the pipeline 2 is connected with the inner concave part 3, the inner concave part 3 is arched, the front end opening of the pipeline 2 is arranged at the position close to the top end of the inner concave part 3, the inner concave part 3 is provided with more than two upright posts 4 which are vertically arranged, the upper ends of the upright posts 4 are connected with the inner wall of the inner concave part 3, the upright posts 4 are flaky or platy, the lower ends of the more than two upright posts 4 are level, and the more than two upright posts 4 are radially distributed around the central axis;
in this embodiment, as shown in fig. 3, the sheet-like or plate-like pillar 4 has a smooth arc-shaped concave or convex side surface, and the projection of the sheet-like or plate-like pillar 4 in the horizontal direction has an included angle with the bottom surface of the spherical concave portion 3 in the radial direction, i.e. two or more pillars 4 are all deviated from the bottom surface of the spherical concave portion 3 at a radially fixed angle, which can ensure that the washing fluid is input from the bevel notch 7 at the front end of the washing pipeline 6, rapidly contacts with the side surface of the pillar and completes the revolution in the negative pressure cavity under the reflection action of the pillar, and in addition, the pillar array of this embodiment also ensures that the supporting of the arch-shaped concave portion is ensured, and also provides a reflecting surface for the sufficient dispersion and circulation of the washing fluid, and ensures the washing effect.
A vertically arranged cylindrical central upright post is further arranged at the central point of the inner concave part, and more than two sheet-shaped or plate-shaped upright posts radially distributed around the central upright post are arranged on the outer side of the central upright post;
the front side of the bevel cut, communicated with the concave part in the sucker main body, at the front end of the pipeline is not provided with a stand column, so that a sufficient drainage space is formed, the drainage efficiency is improved, and seepage is prevented from gathering.
The annular sucker attaching part 4 is arranged on the outer side of the inner concave part 2 of the sucker main body 1, and the inner side of the sucker attaching part 4 is provided with convex ribs which are distributed radially along the central point of the sucker main body and are used for increasing the strength of the sucker attaching part, avoiding the sucker attaching part from curling and improving the sealing effect of the negative pressure sealing cavity; the convex rib 10 is an L-shaped convex rib, namely one end of the convex rib close to the central point of the sucker main body extends towards the inner wall of the concave part 3 of the sucker main body to form a bent part 11 for supporting the concave part, so that enough support is provided for the negative pressure cavity; further, the L-shaped convex rib is composed of a bending part 11 and an extending part 12, the bending part 11 and the extending part 12 are both wedge-shaped, and the bending part 11 is connected with the higher side of the extending part 12, so that the inner concave part 3 of the sucker main body forms independent supporting force relative to other parts of the sucker main body; furthermore, in order to guarantee that drainage liquid and washing liquid circulation are smooth and easy, be equipped with near 3 lateral walls of the regional interior concave part of scarf 7 and not set up the protruding muscle of kink.
The utility model discloses a be equipped with arch indent portion in the sucking disc main part, make sucking disc main part and surface of a wound laminating after, can form the negative pressure chamber that has a take the altitude, set up the front port of two-chamber side by side drainage flushing line near negative pressure chamber top to guarantee that the negative pressure appeal evenly applies to whole cavity along negative pressure chamber center, avoid the seepage liquid that causes because of the negative pressure is inhomogeneous remains, the skin piece is free scheduling problem; the stand columns are vertically arranged, the bottom surfaces of the stand columns are flush, uniform pressure can be applied to the wound surface, and the newly-planted skin is prevented from dissociating on the wound surface under the action of negative pressure attraction; among the drainage flushing line way, drainage line way's axis overlaps with the radial line in spherical concave part bottom surface, has guaranteed that the negative pressure appeal evenly exerts the surface of a wound on, and flushing line's axis is parallel with spherical concave part tangential direction to make the flush fluid pour into the back, follow the abundant circulation of spherical concave part inner wall, accomplish the thorough cleaning of the surface of a wound.
Compared with the prior art, the utility model, have rational in infrastructure, drainage efficiency is high, prevent that stifled pipe etc. is showing advantage.
Claims (10)
1. The utility model provides a seal negative pressure drainage device, is equipped with sucking disc main part and drainage flushing line, wherein is equipped with interior concave part in the sucking disc main part, concave part in the pipeline front end access, its characterized in that, interior concave part is the arch, and the position department on the nearly top of concave part including the preceding port setting of pipeline, interior concave part is equipped with the stand of vertical setting more than two, and the upper end of stand links to each other with the inner wall of interior concave part, and the stand is radial distribution around the axis of interior concave part more than two.
2. The closed negative pressure drainage device of claim 1, wherein the drainage flushing pipeline comprises a drainage pipeline and a flushing pipeline which are arranged in parallel, and a front end port of the pipeline is provided with a bevel cut communicated with the concave part in the sucker body.
3. The closed negative pressure drainage device according to claim 1, wherein the concave portion is partially spherical, a central axis of the drainage tube in the drainage flushing pipeline radially coincides with a bottom surface of the concave portion, and the central axis of the flushing pipeline is radially parallel to the bottom surface of the concave portion.
4. The closed negative pressure drainage device according to claim 1, wherein the upright is in a shape of a sheet or a plate, and the lower ends of more than two uprights are flush.
5. The closed negative pressure drainage device according to claim 1, wherein the sheet or plate-like upright post has smooth curved concave or curved convex sides.
6. The closed negative pressure drainage device according to claim 1, wherein the upright column is trapezoidal with a wide upper end and a narrow lower end, the thickness of the upper end of the upright column is greater than that of the lower end of the upright column, the thickness of one side of the upright column close to the central axis of the concave part is less than that of the other side of the upright column, and more than two upright columns are distributed around the central axis of the concave part in an equidistant radiation manner.
7. A closed negative pressure drainage device according to claim 4, wherein the central line of the horizontal projection of the sheet or plate-shaped upright post forms an angle with the radial direction of the bottom surface of the spherical concave part, i.e. more than two upright posts deviate from the bottom surface of the spherical concave part by a fixed angle in the radial direction.
8. A closed negative pressure drainage device according to claim 1, wherein the front side of the bevel cut at the front end of the pipeline communicating with the concave part of the suction cup main body is not provided with a column, so that a sufficient drainage space is formed at the front part of the bevel cut.
9. The closed negative pressure drainage device according to claim 1, wherein the suction cup body is provided with an annular suction cup attaching portion on the outer side of the concave portion, and the bottom surface of the suction cup attaching portion is provided with ribs radially distributed along the central point of the suction cup body.
10. The sealed negative pressure drainage device according to claim 9, wherein the rib is an L-shaped rib, that is, one end of the rib near the central point of the suction cup body extends toward the inner wall of the concave portion of the suction cup body to form a bent portion for supporting the concave portion, so as to provide sufficient support for the negative pressure cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021482307.7U CN213158237U (en) | 2020-07-24 | 2020-07-24 | Closed negative pressure drainage device |
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| CN202021482307.7U CN213158237U (en) | 2020-07-24 | 2020-07-24 | Closed negative pressure drainage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712581A (en) * | 2022-05-11 | 2022-07-08 | 中国科学院长春应用化学研究所 | Sucker device suitable for negative pressure sealing drainage technology |
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- 2020-07-24 CN CN202021482307.7U patent/CN213158237U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712581A (en) * | 2022-05-11 | 2022-07-08 | 中国科学院长春应用化学研究所 | Sucker device suitable for negative pressure sealing drainage technology |
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