CN113082322A - Annular negative pressure aspirator at stoma - Google Patents
Annular negative pressure aspirator at stoma Download PDFInfo
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- CN113082322A CN113082322A CN202110420383.8A CN202110420383A CN113082322A CN 113082322 A CN113082322 A CN 113082322A CN 202110420383 A CN202110420383 A CN 202110420383A CN 113082322 A CN113082322 A CN 113082322A
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- negative pressure
- stoma
- annular
- membrane
- aspirator
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 15
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- 239000003463 adsorbent Substances 0.000 claims description 14
- 230000002209 hydrophobic effect Effects 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 6
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides an annular negative pressure aspirator at a stoma, which belongs to the technical field of medical equipment and comprises a body fixed at the stoma, wherein the body is annular, the stoma is arranged in the middle of the body, and a plurality of suction holes are uniformly distributed on the inner side and the outer side of the body; the body is also wrapped with a porous adsorption body, one side of the body is provided with a joint communicated with the interior of the body, the joint is connected with a negative pressure pipe, and the negative pressure pipe provides negative pressure for the interior of the body through a hospital central negative pressure or an electric negative pressure suction machine; the upper part of the body is also covered with an annular semitransparent sealing film matched with the shape of the body, the middle part of the sealing film is provided with a hole leaking out of the stoma, and the periphery of the sealing film is fixed with the skin on the surface of the human body. The invention has simple structure and convenient replacement, can ensure the cleanness of the stoma, thoroughly solves the pollution problem of infection focuses at the stoma and around the stoma, leads the stoma to heal better and faster, brings good news to patients with fistulization, and is suitable for popularization and application.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an annular negative pressure aspirator at a stoma.
Background
Intestinal fistulization is a medical procedure in which an opening in the small intestine or colon is moved to the abdominal wall to form a stoma, often referred to as a permanent artificial anus or a temporary artificial defecation opening. In clinical work such as acute ileus of a patient, intestinal perforation with serious infection, fistulization is often needed in emergency operations. The fistulization performed by the operation under the conditions is often accompanied with inevitable complications such as peristoma tissue infection, liquid seepage or effusion, fistulization opening separation and the like, the existing fistulization bag with a base can only drain liquid dung by intestinal peristalsis and posture change, and the problems of persistent inflammatory liquid seepage around a fistulization intestinal tube, peristoma soft tissue inflammation and stomal separation cannot be solved. Local inflammatory effusion and effusion further cause poor adhesion of the base plate of the ostomy bag and the skin, so that the liquid dung and the digestive juice retained in the ostomy bag soak and corrode the surrounding skin and soft tissues and even nearby surgical incisions to cause vicious circle, the incisions and the ostomy are slowly healed, the healing needs months when the infection is serious, the nursing is difficult, the recovery of patients is seriously hindered, and the life quality is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the annular negative pressure aspirator arranged at the stoma, which can continuously suck and remove inflammatory effusion and effusion around the stoma, avoid the stoma and the skin around the stoma from being soaked and corroded by liquid dung and the effusion, keep the skin and soft tissue around the stoma clean and promote healing.
In order to achieve the purpose, the invention is realized by the following technical scheme: an annular negative pressure aspirator at a stoma comprises a body fixed at the stoma, wherein the body is annular, the stoma is arranged in the middle of the body, and a plurality of suction holes are uniformly distributed on the inner side and the outer side of the body; the body is also wrapped by a porous adsorption body, one side of the body is provided with a joint communicated with the interior of the body, the joint is connected with a negative pressure tube, and the negative pressure tube provides negative pressure for the interior of the body through a central negative pressure of a hospital or an electric negative pressure suction machine, so that liquid seeped from the stoma is adsorbed into the porous adsorption body outside the body through a suction hole and flows into the negative pressure tube through the suction hole on the inner side of the body; the body upper portion still covers has the cyclic annular translucent seal membrane with body shape assorted, the seal membrane middle part is provided with the hole that spills the stoma fistula, and the diameter of this hole is less than the internal diameter of body, and seal membrane is all around with human surface skin bonding, makes body and adsorbent be in encapsulated situation, is convenient for maintain the negative pressure, has also avoided the liquid dung direct contact of intestines pipe exclusion simultaneously to make fistulization intestines pipe around the skin soft tissue of separation or infection. In addition, the risk of pore channel blockage caused by the fact that excrement discharged by the intestinal canal is adsorbed to the body and the porous adsorbent can be avoided.
The technical proposal has the working principle that a plurality of suction holes are arranged on the inner side of the body, a hospital central negative pressure or an electric negative pressure suction machine is utilized to provide continuous negative pressure for the inside of the body, so that inflammatory exudates, dropsy or a small amount of liquid dung which leaks through the sealing membrane can be sucked to the porous adsorption body through the negative pressure while the suction holes adsorb the sealing membrane, and the inflammatory exudates, the dropsy or the small amount of liquid dung which leaks through the sealing membrane is sucked to the negative pressure pipe through the suction on the body, thereby avoiding the fistulation opening and the surrounding skin from being soaked and corroded by inflammatory exudates, the dropsy and the liquid dung, providing relatively clean environment for the growth of granulation and soft tissue, rapidly promoting the growth of the soft tissue around the fistulation opening so as to separate and accelerate the healing of the fistulation opening, thoroughly solving the problems of the separation of the fistulation opening and the slow healing of an infection focus around the fistulation opening, ensuring the cleanness and, the pollution of excrement to clothes and bed sheets and bedding is avoided, and the life quality of patients is improved.
In order to better realize the invention, the body is fixed with the skin on the surface of the human body by sewing the body and the periphery of the porous adsorption body with a medical non-absorbable suture line, the lower surface of the sealing membrane is provided with a hydrophobic viscose layer, the inner ring of the sealing membrane is provided with a strong viscose ring, and the sealing membrane is fixed at the stoma through the hydrophobic viscose layer and the strong viscose ring. Realize the body and porous adsorption material in the negative pressure environment of stoma department, avoid stoma exhaust excrement and urine to soak the infection kitchen simultaneously.
To better implement the invention, further, the attraction holes are ellipses with the diameter of 0.7 x 0.4 cm.
In order to better realize the invention, the porous adsorbent is made of porous loose polyethylene alcohol hydrated seaweed salt foam dressing, and the diameter of a gap of the polyethylene alcohol hydrated seaweed salt foam dressing is 0.2-0.3 mm.
In order to better implement the invention, furthermore, the surface of the sealing membrane is also provided with scale marks.
In order to better realize the invention, one side of the sealing membrane is further provided with a notch matched with the diameter of the joint.
In order to better realize the invention, further, the negative pressure pipe provides the negative pressure of 0.02-0.08MPa for the interior of the body.
In order to better realize the invention, further, the interface is provided with internal threads, the negative pressure pipe is provided with external threads matched with the negative pressure pipe, and the interface is detachably connected with the negative pressure pipe through the threads.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) according to the invention, the suction holes are arranged in the body inner ring of the suction apparatus, and the hospital central negative pressure or the electric negative pressure suction machine is used for providing the negative pressure for the body inner part, so that the inflammatory exudates, the effusion or a small amount of liquid dung leaking through the sealing membrane can be sucked to the porous adsorption body through the negative pressure while the suction holes adsorb the sealing membrane, and is sucked to the negative pressure pipe through the suction air on the body, thereby avoiding the problem that the stoma and the surrounding skin are soaked and corroded by inflammatory exudates, the effusion and the liquid dung, providing a relatively clean environment for the growth of granulation and soft tissue, rapidly promoting the growth of the soft tissue around the stoma so as to separate and accelerate the healing of the stoma, thoroughly solving the problems of slow and difficult healing of infection focus around the stoma, ensuring the cleanness and sanitation around the operation incision, and reducing the nursing difficulty and workload of the stoma;
(2) the invention can realize the sealing effect of the stoma by combining the sealing film through the negative pressure suction effect of arranging a plurality of suction holes on the inner ring of the body, and the sealing is tight, thereby avoiding the pollution of excrement to clothes and bed sheets and bedclothes and improving the life quality of patients;
(3) the invention has simple structure and convenient replacement, can ensure the cleanness of the stoma, thoroughly solves the problem of difficult healing caused by continuous liquid seepage and hydrops of an infection stove at the stoma, leads the stoma to heal better and faster, brings good news to patients with the stoma and is suitable for wide popularization and application.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic plan view of the present invention in use;
FIG. 4 is a schematic plan view of the sealing film according to the present invention.
Wherein: 1-body, 11-suction hole, 2-porous adsorbent, 3-joint, 4-sealing membrane, 41-scale mark, 5-negative pressure tube, 6-intestinal tube, and 7-infection stove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
the main structure of the present embodiment, as shown in fig. 1 and 2, includes a body 1 fixed at an ostomy opening, the body 1 is ring-shaped, the ostomy opening is disposed in the middle of the body 1, and a plurality of suction holes 11 are uniformly arranged on the inner and outer sides of the body 1; the external of the body 1 is also wrapped with a porous adsorption body 2, one side of the body 1 is provided with a joint 3 communicated with the internal of the body, the joint 3 is connected with a negative pressure tube 5, the negative pressure tube 5 provides negative pressure for the internal of the body 1 through a hospital central negative pressure or an electric negative pressure suction machine, so that liquid seeped from the stoma is adsorbed into the porous adsorption body 2 outside the body 1 through the suction holes 11 in the internal side of the body 1 and flows into the negative pressure tube 5; the upper portion of the body 1 is further covered with an annular semitransparent sealing membrane 4 matched with the shape of the body 1, the middle of the sealing membrane 4 is provided with a hole for leaking the stoma fistula, the diameter of the hole is smaller than the inner diameter of the body 1, the periphery of the sealing membrane 4 is fixed with the skin on the surface of a human body, and the body 1 is fixed at the stoma to form a negative pressure closed environment.
In the specific embodiment, as shown in fig. 3, the body 1 is placed at the stoma, the stoma is placed in the middle of the inner ring of the body 1, the sealing membrane 4 is covered on the upper portion of the body 1, and the periphery of the sealing membrane 4 is bonded and fixed with the skin on the surface of the human body, so that the body 1 is fixed at the stoma, the inner ring of the middle of the body 1 coincides with the hole in the middle of the sealing membrane 4, at this time, the intestinal canal 6 at the stoma extends out of the hole in the middle of the sealing membrane 4, and the infection focus 7 at the stoma is placed below the body 1 and is filled and covered by the porous adsorbent 2. The negative pressure tube 5 is fixedly connected with the joint 3, a central negative pressure or electric negative pressure suction machine of the hospital is started, the central negative pressure or electric negative pressure suction machine of the hospital provides negative pressure for the inside of the body 1 through the negative pressure tube 5, at the moment, the negative pressure in the body 1 provides suction for the suction hole 11 at the inner side of the body 1, while adsorbing the closing membrane 4, inflammatory secretion, effusion and liquid dung around the stoma can be absorbed to the porous adsorbent 2, and is sucked into the body 1 through the suction holes 11, and is absorbed by the body 1 and the porous absorption body 2 wrapped outside, thereby eliminating the pollution to the skin around the stoma, thereby avoiding the soaking corrosion of inflammatory seepage, effusion and liquid dung to the fistulization opening separation gap and the infection stove 7, greatly accelerating the granulation growth around the fistulization opening separation gap and the infection stove 7, ensuring the cleanness and sanitation around the operation incision and avoiding the pollution of excrement to clothes and bedsheets and bedding. When in replacement, the sealing membrane 4 is only needed to be taken down, then the body 1 and the porous adsorbent 2 are washed, and then the replaced sealing membrane 4 is attached.
Example 2:
this embodiment has further limited the mode that closing membrane 4 and body 1 were fixed at human skin surface on the basis of above-mentioned embodiment, body 1 is sewed up fixedly with human surface skin through medical non-absorbable suture line with body 1 and porous adsorbent 2 all around, 4 lower surfaces of closing membrane are provided with hydrophobic viscose layer, and 4 inner rings of closing membrane are provided with the strong viscose ring, closing membrane 4 is fixed at the stoma department through this hydrophobic viscose layer and strong viscose ring. In order to enable the body 1 to be better sealed on the surface of the skin of a patient and form a negative pressure environment, the lower surface of the sealing film 4 is provided with a hydrophobic viscose layer, the inner ring of the sealing film 4 is provided with a strong viscose ring, the viscosity is strong, and a better sealing effect is realized. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 3:
the present embodiment further defines the size and shape of the suction holes 11 on the basis of the above embodiments, and as shown in fig. 1 and fig. 2, the suction holes 11 are ellipses with a diameter of 0.7 × 0.4 cm. In order to make the suction holes 11 perform the suction of the excreta well, the diameter and shape of the suction holes 11 are particularly preferable to perform the suction function well. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 4:
in the present embodiment, the material of the porous adsorbent 2 is further defined, and as shown in fig. 2, the material of the porous adsorbent 2 is porous and loose foam dressing of polyvinyl alcohol hydrated alginate, and the void diameter of the foam dressing of polyvinyl alcohol hydrated alginate is 0.2-0.3 mm. In order to make the porous adsorbent 2 inside the main body 1 better adsorb the excreta at the stoma, it is particularly preferable that the porous adsorbent 2 is made of porous sponge, and the diameter of the gap of the sponge is limited, so that the adsorption of the excreta is better completed, and the adsorption effect is ensured and the adsorption is performed as much as possible. Other porous adsorption loose materials with communicated functions can also be selected. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 5:
the present embodiment further defines the structure of the sealing membrane 4 on the basis of the above embodiments, and as shown in fig. 4, the surface of the sealing membrane 4 is further provided with scale marks 41. The sealing membrane 4 is additionally provided with the scale marks 41, on one hand, the sealing membrane 4 can be better adhered to the skin of a patient through the scale marks 41, and on the other hand, the sealing membrane 4 can be cut according to the scale marks 41 according to the size of the body 1, so that the size of the sealing membrane 4 is matched with the body 1, or the sealing membrane is adjusted according to the actual situation. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 6:
the present embodiment further defines the structure of the sealing membrane 4 on the basis of the above embodiments, and as shown in fig. 4, one side of the sealing membrane 4 is provided with a notch matching with the diameter of the joint 3. In order to better finish the fixing of the sealing film 4 on the body 1, a notch is particularly arranged at the joint 3 of the body 1 and used for arranging the joint 3 on one side of the body 1, so that the sealing effect of the sealing film 4 is prevented from being influenced by the bulge at the contact part of the joint 3 and the sealing film 4. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 7:
on the basis of the above embodiments, the present embodiment further defines the magnitude of the negative pressure provided by the negative pressure pipe 5, and the negative pressure provided by the negative pressure pipe 5 to the inside of the body 1 is 0.02-0.08 Mpa. In order to better finish the absorption of the excrement at the stoma, the negative pressure provided by a negative pressure pump or an automatic negative pressure pump at the center of a hospital ward is preferably 0.02-0.08Mpa, so that the absorption is not influenced, and the extra adverse effect of the stoma is not caused. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 8:
on the basis of the above embodiment, the present embodiment further defines a connection mode between the interface 3 and the negative pressure pipe 5, the interface 3 is provided with an internal thread, the negative pressure pipe 5 is provided with an external thread matched with the internal thread, and the interface 3 and the negative pressure pipe 5 are detachably connected through a thread. In order to ensure the stability and the tightness of the fixation of the handpiece connector 3 and the negative pressure pipe 5, the fixed connection of the handpiece connector 3 and the negative pressure pipe 5 is realized by particularly preferably adopting a threaded connection mode, and other connection modes which can realize the stability and the tightness of the connector 3 and the negative pressure pipe 5 and can be movably disassembled can also be selected. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
It is understood that the operation principle and operation process of the components of the annular negative pressure aspirator structure, such as the negative pressure pipe and the vacuum pump, according to one embodiment of the present invention are well known in the art and will not be described in detail herein.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. An annular negative pressure aspirator at a stoma is characterized by comprising a body (1) fixed at the stoma, wherein the body (1) is annular, the stoma is arranged in the middle of the body (1), and a plurality of aspirating holes (11) are uniformly distributed on the inner side and the outer side of the body (1); the external of the body (1) is further wrapped by a porous adsorption body (2), one side of the body (1) is provided with a joint (3) communicated with the interior of the body, the joint (3) is connected with a negative pressure pipe (5), the negative pressure pipe (5) provides negative pressure for the interior of the body (1) through a central negative pressure of a hospital or an electric negative pressure suction machine, so that liquid seeped from the stoma is adsorbed into the porous adsorption body (2) on the external of the body (1) through a suction hole (11) in the inner side of the body (1) and flows into the negative pressure pipe (5); body (1) upper portion still covers has and has the cyclic annular translucent closed membrane (4) of body (1) shape assorted, closed membrane (4) middle part is provided with the hole that spills the stoma fistula, and the diameter of this hole is less than the internal diameter of body (1), and closed membrane (4) are fixed with human surface skin all around to fix body (1) and form the airtight environment of negative pressure in stoma department.
2. The annular negative pressure aspirator at the stoma according to claim 1, wherein the body (1) sews and fixes the peripheries of the body (1) and the porous adsorbent (2) with the skin on the surface of the human body through a medical non-absorbable suture line, the lower surface of the sealing membrane (4) is provided with a hydrophobic adhesive layer, the inner ring of the sealing membrane (4) is provided with a strong adhesive ring, and the sealing membrane (4) is fixed at the stoma through the hydrophobic adhesive layer and the strong adhesive ring.
3. An annular vacuum extractor at an ostomy according to claim 1 or 2, characterised in that the extraction holes (11) are oval with a diameter of 0.7 x 0.4 cm.
4. The annular negative pressure aspirator for an ostomy according to claim 1 or 2, wherein the porous adsorbent (2) is made of porous loose foam dressing of polyvinyl alcohol hydrated alginate, and the void diameter of the foam dressing of polyvinyl alcohol hydrated alginate is 0.2-0.3 mm.
5. An annular negative pressure aspirator at an ostomy according to claim 1 or 2, characterised in that the surface of the closing membrane (4) is further provided with graduation marks (41).
6. An annular negative pressure aspirator at an ostomy according to claim 1 or 2, characterised in that the closing membrane (4) is provided with a notch on one side matching the diameter of the adapter (3).
7. An annular negative pressure aspirator at an ostomy according to claim 1 or 2, characterised in that the negative pressure tube (5) provides a negative pressure of 0.02-0.08Mpa to the inside of the body (1).
8. The annular negative pressure aspirator at the stoma according to claim 1 or 2, characterized in that the interface (3) is provided with an internal thread, the negative pressure tube (5) is provided with an external thread matching with the internal thread, and the interface (3) and the negative pressure tube (5) are detachably connected through a thread.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110420383.8A CN113082322A (en) | 2021-04-19 | 2021-04-19 | Annular negative pressure aspirator at stoma |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110420383.8A CN113082322A (en) | 2021-04-19 | 2021-04-19 | Annular negative pressure aspirator at stoma |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113925573A (en) * | 2021-11-04 | 2022-01-14 | 郑州大学第一附属医院 | Cleaning device for anal canal wound surface |
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| CN206315320U (en) * | 2016-10-10 | 2017-07-11 | 南方医科大学南方医院 | A kind of seal fistula road formula pressure sore drainage system |
| CN207306771U (en) * | 2017-03-14 | 2018-05-04 | 南京市江宁医院 | Stoma negative pressure suction device |
| CN209661931U (en) * | 2019-01-10 | 2019-11-22 | 中国人民解放军联勤保障部队第九八九医院 | A kind of tearing formula adjusts the ostomy bag of fistulization oral size |
| CN210056417U (en) * | 2019-04-17 | 2020-02-14 | 操秋娥 | Negative pressure suction device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113925573A (en) * | 2021-11-04 | 2022-01-14 | 郑州大学第一附属医院 | Cleaning device for anal canal wound surface |
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