CN116270020B - Temporary protective negative pressure closing device for abdominal open wound - Google Patents
Temporary protective negative pressure closing device for abdominal open wound Download PDFInfo
- Publication number
- CN116270020B CN116270020B CN202310164458.XA CN202310164458A CN116270020B CN 116270020 B CN116270020 B CN 116270020B CN 202310164458 A CN202310164458 A CN 202310164458A CN 116270020 B CN116270020 B CN 116270020B
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- bag
- chassis
- abdominal cavity
- sealing
- locking
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- 230000003187 abdominal effect Effects 0.000 title claims abstract description 36
- 230000001681 protective effect Effects 0.000 title claims abstract description 20
- 206010052428 Wound Diseases 0.000 title claims description 12
- 210000000683 abdominal cavity Anatomy 0.000 claims abstract description 101
- 238000007789 sealing Methods 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 210000001503 joint Anatomy 0.000 claims abstract description 27
- 230000006378 damage Effects 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000002390 adhesive tape Substances 0.000 claims abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 claims description 19
- 208000014674 injury Diseases 0.000 claims description 17
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 230000004927 fusion Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000000670 limiting effect Effects 0.000 claims description 8
- 210000000056 organ Anatomy 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 2
- 208000021970 Abdominal wall defect Diseases 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 10
- 210000001835 viscera Anatomy 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 17
- 238000003032 molecular docking Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 10
- 210000003815 abdominal wall Anatomy 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 230000008733 trauma Effects 0.000 description 5
- 206010000050 Abdominal adhesions Diseases 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 3
- 210000001124 body fluid Anatomy 0.000 description 3
- 239000010839 body fluid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 210000001035 gastrointestinal tract Anatomy 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 206010016717 Fistula Diseases 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003890 fistula Effects 0.000 description 2
- 230000002458 infectious effect Effects 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000000968 intestinal effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010000269 abscess Diseases 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000001266 bandaging Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
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- 229920006255 plastic film Polymers 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/14—Bandages or dressings; Absorbent pads specially adapted for the breast or abdomen
- A61F13/148—Abdomen bandages or bandaging garments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a temporary protective negative pressure closing device for abdominal open injuries, which comprises a chassis, a sealing drainage mechanism, an abdominal belt, a locking component and an air bag sealing mechanism, wherein an attachable material is arranged at the bottom of the chassis and can be tightly attached to skin; the sealing drainage mechanism is arranged on the chassis; the bellyband is symmetrically arranged on two sides of the chassis, and the end part of the bellyband is provided with an adhesive tape; the locking component is arranged in the butt joint ring on the chassis and is matched with the butt joint groove on the flexible abdominal cavity closed bag for use; the air bag sealing mechanism is arranged between the chassis and the sealing drainage mechanism; the device can wrap and cover the distended viscera of the abdominal wall defect of a patient through the chassis, the sealing drainage mechanism, the locking assembly and the air bag sealing mechanism, achieves the effect of protecting the viscera in the abdominal cavity, keeps the abdominal cavity in a temporary closing state, and has the characteristics of simple structure, convenient and flexible use and good protection effect.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a temporary protective negative pressure closing device for abdominal open injuries.
Background
Open abdominal trauma is one of the most frequent wounds at ordinary times and in war time; the abdominal cavity is opened, so that a great amount of liquid is lost, a series of complications such as disturbance of water electrolyte balance, systemic inflammatory reaction, intestinal air fistula formation, intestinal adhesion, abdominal cavity infection, abdominal cavity abscess and the like of a patient are caused, and even the death of a wounded person is caused when the complications are serious; especially when the abdominal wall has a large defect, a great amount of viscera in the abdominal cavity of a patient are exposed, so that the problem to be solved in clinical treatment is that how to safely transport the abdominal wall under the condition of protecting the viscera;
there are various temporary closure techniques for the abdominal cavity at present at ordinary times or at war time, but there are disadvantages such as:
(1) Towel forceps method: the method is the simplest and most rapid temporary abdominal cavity closing technology, the abdominal wall is clamped and closed by using towel forceps, and then 1 plastic film is adhered to the incision; however, the method cannot be realized for patients with excessive abdominal pressure and abdominal wall defect;
(2) Open bandaging method: the wound is covered by artificial fiber dressing or vaseline gauze, and then covered by gauze, so that the method is simple, but the incision is large in seepage, and the purpose of isolating the abdominal cavity from the outside cannot be achieved; in the process of removing the dressing in the later period, the intestinal tract is easy to damage;
(3) Bowl mouth covering method: the bowl is fastened on the open abdominal wall and then fixed by a bandage, and although temporary closing of the abdominal cavity is realized to a certain extent, the bowl is limited by the size and the dimension of the bowl mouth, and the problem of carrying and maintaining the sterility of the bowl is also a problem;
the environment of the abdominal trauma is often limited in medical rescue conditions, so in the treatment process, on-site emergency personnel need a set of closing technology for efficiently and effectively treating the open abdominal trauma and a reliable, portable and rapid abdominal closing device which is convenient for observing the traumas, so as to temporarily close the abdominal cavity of a patient with a large defect on the abdominal wall, thereby solving the problems and the defects in the prior art.
Disclosure of Invention
Aiming at the problems, the invention aims to provide the temporary protective negative pressure closing device for the abdominal opening injury, which can wrap and cover the distended viscera of the abdominal wall defect of a patient when in use through the arrangement of the chassis, the sealing drainage mechanism, the locking component and the air-sealing mechanism, thereby achieving the effect of protecting the viscera in the abdominal cavity, keeping the abdominal cavity in a temporary closing state and having the characteristics of simple structure, convenient and flexible use and good protection effect.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a temporary protective negative pressure closing device for abdominal open injury comprises a chassis, a sealing drainage mechanism, an abdominal belt, a locking component and an air bag sealing mechanism,
the bottom of the chassis is provided with an adhesive material which can be tightly attached to the skin;
the sealed drainage mechanism is arranged on the chassis and comprises an intra-bag drainage tube, a flexible abdominal cavity sealing bag, an extra-bag drainage tube and a drainage tube interface, wherein the intra-bag drainage tube and the flexible abdominal cavity sealing bag are both arranged on the chassis, and two ends of the extra-bag drainage tube are respectively connected with the intra-bag drainage tube and the drainage tube interface and are used for wrapping and protecting abdominal organs and temporarily sealing the abdominal cavity;
the bellyband is symmetrically arranged on two sides of the chassis, and the end part of the bellyband is provided with an adhesive tape;
the locking component is arranged in the butt joint ring on the chassis and is matched with the butt joint groove on the flexible abdominal cavity closed bag for use;
the air bag sealing mechanism is arranged between the chassis and the sealing drainage mechanism.
Preferably, the drainage tube in the bag is formed by fusion connection of two semi-circular drainage tubes which are communicated with each other, the bottom ends of the drainage tubes are in butt joint with a positioning ball arranged on a silica gel chassis, the top ends of the two drainage tubes are in 90-degree cross fusion communication, a plurality of drainage tube drainage holes are further formed in the drainage tube in the bag, and the drainage holes are communicated with the inner cavity of the flexible abdominal cavity closed bag.
Preferably, the inner opening of the drainage tube outside the bag is in fusion connection with the top end of the drainage tube inside the bag, and the drainage tube inside the bag is attached to the inner side of the flexible abdominal cavity closed bag to support the abdominal cavity closed bag;
the drainage pipe orifice is of a horn-shaped structure with large outside and small inside, and is matched with negative pressure equipment.
Preferably, the chassis is of a circular ring structure, an adhesive ring made of an adhesive material is attached to the bottom of the chassis, and the adhesive ring can be tightly attached to the skin; the middle part of the chassis is also provided with a through hole which is matched with the flexible abdominal cavity closed bag for use.
Preferably, the locking component is arranged in the inner mounting cavity of the docking ring and comprises a first locking block, a rotary locking piece, a first return spring and a second return spring,
the rotary locking piece is rotatably arranged in the installation cavity through a connecting shaft and is matched with a locking groove arranged at the inner side of the flexible abdominal cavity closed bag for use;
the first locking block is movably arranged in the mounting inner cavity and is matched with a locking groove arranged at the outer side of the flexible abdominal cavity closed bag for use;
the first reset spring and the second reset spring are arranged on two sides of the rotation locking piece and reset the rotation locking piece.
Preferably, the rotary locking piece is an L-shaped locking block, comprising a locking handle and a second locking block which are integrally formed,
the lock handle is matched with a limiting block arranged at the lower end of the first locking block, and the first reset spring and the second reset spring are respectively arranged at two sides of the lock handle;
the second locking block is arranged at the end part of the lock handle and is matched with a locking groove arranged at the inner side of the flexible abdominal cavity closed bag.
Preferably, the locking groove at the inner side of the flexible abdominal cavity closed bag and the locking groove at the outer side of the flexible abdominal cavity closed bag are arc grooves communicated with the butt joint groove.
Preferably, the outer butt joint surfaces of the first locking block and the second locking block are arc butt joint surfaces, and the arc butt joint surfaces are matched with the outer end surface of the flexible abdominal cavity closed bag;
the inner clamping surfaces of the first locking block and the second locking block are right-angle clamping surfaces, and the right-angle clamping surfaces are matched with the inner side walls of the locking grooves.
Preferably, the air bag sealing mechanism comprises a sealing air bag, an air pipe and a pressure ball,
the sealing air bag is arranged at the bottom of the butt joint groove, is matched with the arc-shaped sealing groove arranged at the end part of the butt joint ring for use, and is provided with a conduction conduit which is communicated with the sealing air bag;
the air pipe is arranged between the conducting catheter and the pressure ball and is connected with the pressure ball and the sealing air bag;
the pressure ball is connected with the sealing air bag through an air pipe.
The beneficial effects of the invention are as follows: the invention discloses a temporary protective negative pressure closing device for abdominal open injury, which is improved compared with the prior art in that:
1. the invention designs a temporary protective negative pressure closing device for an open abdominal wound, which is used in an open abdominal wound emergency environment, when in use, an attachable chassis is adhered to normal skin around the open wound, and the elastic abdominal belt is used for further pressurization and fixation; the bulging viscera is covered by a flexible abdominal cavity sealing bag with a sealed top of the chassis, so that the function of protecting the viscera in the abdominal cavity is achieved, the abdominal cavity is kept in a temporary closing state, and the bulging viscera at the abdominal wall defect of a patient are effectively protected;
2. the drainage holes are uniformly distributed on the surface of the drainage tube attached to the inner side of the flexible abdominal cavity closed bag, so that the drainage tube can be simultaneously attracted at multiple angles during use, and the drainage tube is prevented from being blocked and the drainage is not smooth; the tail end of the external drainage tube can be connected with a negative pressure suction device or a negative pressure suction ball, and through continuous negative pressure suction, polluted body fluid is drained, the contact between intestinal tracts and air is isolated, a series of complications such as massive loss of the fluid, serious inflammatory reaction of the whole body, intestinal air fistula, intestinal adhesion and the like are avoided, and the pain of patients is effectively relieved;
3. the flexible abdominal cavity sealing bag has the effect of preventing intestinal adhesion, is made of transparent materials, can observe the states of intestinal tracts and abdominal organs at any time in the transportation process, and is convenient for timely disposing emergency;
4. according to the invention, through the arrangement of the locking assembly, the detachable connection of the chassis and the flexible abdominal cavity closed bag is effectively realized, and through the arrangement of the arc-shaped locking groove, the first locking block and the second locking block slide along the locking groove when in use by rotating the flexible abdominal cavity closed bag, and when the first locking block and the second locking block slide to the lowest end of the locking groove, the sealing butt joint of the chassis and the flexible abdominal cavity closed bag is realized, and meanwhile, the fixed connection of the chassis and the flexible abdominal cavity closed bag is realized under the limiting action of the first locking block and the second locking block, so that the installation effect is effectively ensured and the installation process is simplified;
5. according to the invention, through the arrangement of the air bag sealing mechanism, the sealing air bag is pressed when in use, so that the sealing air bag is inflated, the gap between the chassis and the flexible abdominal cavity sealing bag is filled, the air tightness of the connection between the chassis and the flexible abdominal cavity sealing bag is effectively ensured, and the air bag sealing device has the advantages of simple structure, convenience and flexibility in use and good protection effect.
Drawings
Fig. 1 is a schematic structural view of a temporary protective negative pressure closure device for abdominal opening injury according to the present invention.
Fig. 2 is a cross-sectional view of the abdominal opening injury temporary protective negative pressure closure device of the present invention.
Fig. 3 is a cross-sectional view of the chassis of the present invention.
Fig. 4 is a cross-sectional view of the flexible abdominal cavity closing bag of the invention.
FIG. 5 is an effect view of the present invention after the in-bag drain tube is installed.
Fig. 6 is a view showing the effect of the flexible abdominal cavity sealing bag of the present invention when installed.
Fig. 7 is a partially enlarged view of the abdominal opening injury temporary protective negative pressure closure device a of the present invention.
Fig. 8 is a schematic structural view of the first locking block and the rotation locking member of the present invention.
Fig. 9 is a partial enlarged view of the chassis B of the present invention.
Fig. 10 is an enlarged view of a portion of the flexible abdominal cavity closing bag C of the invention.
Wherein: 1. the device comprises a chassis, 11, a through hole, 12, an adhesive ring, 13, a docking ring, 131, a mounting cavity, 132, an arc-shaped sealing groove, 14, a positioning ball, 15, a first locking block, 151, a limiting block, 152, an arc-shaped docking surface, 153, a right-angle clamping surface, 16, a rotary locking piece 161, a locking handle, 162, a second locking block, 17, a connecting shaft, 18, a first return spring, 19, a second return spring, 2, a sealing drainage mechanism, 21, an inner drainage tube of a bag, 211, a drainage hole, 22, a flexible abdominal cavity sealing bag, 221, a docking groove, 222, a locking groove, 23, an outer drainage tube of a bag, 24, a drainage tube interface, 3, an abdominal belt, 4, an adhesive belt, 5, an air bag sealing mechanism, 51, a sealing air bag, 52, an air tube, 53, a pressure ball and 54.
Detailed Description
In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1: a temporary protective negative pressure closing device for open abdominal wound is shown in figures 1-10, and is used for temporary protection of abdominal wall defect caused by abdominal wound, and comprises a chassis 1, a sealed drainage mechanism 2 and an abdominal belt 3, wherein
The bottom of the chassis 1 is provided with an adhesive material which can be tightly attached to the skin;
the sealing drainage mechanism 2 is detachably arranged at the front side of the chassis 1 and is used for wrapping and protecting abdominal organs and temporarily sealing the abdominal cavity;
the bellyband 3 is symmetrically arranged on two sides of the chassis 1, and the end part of the bellyband 3 is provided with an adhesive tape 4 for abdomen winding and pasting, so that the stability of the chassis 1 and the device closure are improved.
Preferably, for the cooperation with sealed drainage mechanism 2, protect patient's abdominal wall defect position, chassis 1 be the ring structure in the design, and be provided with through-hole 11 and sealed drainage mechanism 2 cooperation use in chassis 1 center department.
Preferably, for convenience of use, the chassis 1 is made of silica gel, and an adhesive ring 12 made of an adhesive material is attached to the bottom, and the adhesive ring 12 can be tightly attached to the skin; the sealing drainage mechanism 2 and the bellyband 3 are integrally connected and combined with the silica gel chassis 1; the specific size of the silica gel chassis 1 is not limited, and can be matched with specific size according to clinical conditions such as age, body type, illness state and the like of a patient.
Preferably, the sealed drainage mechanism 2 comprises an in-bag drainage tube 21, a flexible abdominal cavity closed bag 22, an out-bag drainage tube 23 and a drainage tube interface 24, wherein
The drainage tube 21 in the bag is formed by fusion connection of two semi-circular drainage tubes which are communicated with each other, the drainage tubes can be made of polypropylene materials, the diameter is 1cm, the bottom ends of the drainage tubes are abutted with the silica gel chassis 1, and the top ends of the two drainage tubes are in 90-degree cross fusion communication;
the flexible abdominal cavity closed bag 22 is of a hollow semicircular structure, can be made of polypropylene material, and is tightly connected with the silica gel chassis 1;
the drainage tube 23 outside the bag passes through the flexible abdominal cavity closed bag 22 to be communicated with the top end of the drainage tube 21 inside the bag;
the drainage tube interface 24 is arranged at the outer end part of the drainage tube 23 outside the bag and is connected with an external negative pressure device or a negative pressure suction ball to provide suction force for air and polluted body fluid to flow from the inside of the bag to the drainage tube 23 outside the bag.
Preferably, in order to draw out the air and the polluted body fluid in the flexible abdominal cavity closed bag 22 from the bag, a plurality of drainage holes 211 are further arranged on the drainage tube 21 in the bag, the diameter of the drainage holes 211 is 2mm, and the hole spacing is 1cm.
Preferably, for use with the chassis 1, the flexible abdominal cavity closing bag 22 is designed to have an inner diameter equal to the diameter of the through hole 11.
Preferably, for easy storage, the drainage tube 21 in the bag and the flexible abdominal cavity closed bag 22 are made of flexible materials, and can be folded and stored when not in use, and can be unfolded in the use process, so that the drainage tube 21 in the bag has a certain form supporting effect and cannot collapse due to negative pressure attraction.
Preferably, in order to ensure the supporting function of the drainage tube 21 in the bag, a rubber positioning ball 14 is further arranged on the chassis 1, the positioning ball 14 is matched with the drainage tube 21 in the bag for use, and the drainage tube 21 in the bag is positioned and sealed during use.
Preferably, the drainage tube 23 outside the bag is a hard tube made of polypropylene, the axial length of the drainage tube 23 outside the bag can be 35cm, the diameter can be 1cm, the inner opening of the drainage tube 23 outside the bag is in fusion connection with the top end of the drainage tube 21 inside the bag, the drainage tube 21 inside the bag is attached to the inner side of the flexible abdominal cavity sealing bag 22, a skeleton function is achieved, and the drainage tube is used for supporting the abdominal cavity sealing bag 22.
Preferably, the drainage tube interface 24 is in a horn-shaped structure with large outside and small inside, and can provide required attractive force by connecting negative pressure equipment with the drainage tube interface 24 in use; in clinical use, the negative pressure device connected to the drainage tube interface 24 is started, and the air and the infectious liquid in the flexible abdominal cavity closed bag 22 sequentially pass through the drainage tube drainage hole 211, the drainage tube 21, the drainage tube 23 and the drainage tube interface 24 in the bag under the action of attraction force and are discharged out of the body.
Preferably, the bellyband 3 can be made of cotton cloth; one end of the bellyband 3 is connected with the silica gel chassis 1; the length of the elastic bellyband at both sides is 60cm, and the width is 8cm; the other end is attached with an adhesive tape 4; in clinical use, the binder 4 can be adhered to adhere the binder 3 on both sides together, so as to strengthen and stabilize the chassis 1.
The using process and the using principle of the abdomen open wound temporary protective negative pressure closing device according to the embodiment comprise the following steps:
when temporarily protecting the abdominal wall defect part caused by the abdominal trauma of a patient, firstly, fixing the chassis 1 at the abdominal wall defect part of the patient through the bonding effect of the bonding ring 12 and the skin, and enabling the abdominal wall defect part to be positioned at the position of the through hole 11; then the bellyband 3 bypasses the body of the patient, and the bellyband 3 on two sides are stuck together by the adhesive tape 4 to strengthen and stabilize the chassis 1; and then the flexible abdominal cavity closed bag 22 is arranged on the chassis 1, the tightness is checked, finally, when the tightness is checked, negative pressure equipment is arranged at the outer end part of the drainage tube interface 24, and the negative pressure equipment connected with the drainage tube interface 24 is started, so that the air and the infectious liquid in the flexible abdominal cavity closed bag 22 sequentially pass through the drainage tube drainage hole 211 in the bag, the drainage tube 21 in the bag, the drainage tube 23 outside the bag and the drainage tube interface 24 to be discharged outside the body under the action of attraction force.
Example 2: unlike the embodiment 1, in order to detachably connect the chassis 1 with the sealed drainage mechanism 2, a docking ring 13 is further provided on the chassis 1, and the docking ring 13 is matched with an annular docking groove 221 provided at the lower end of the flexible abdominal cavity closed bag 22; in order to facilitate the fixed connection and positioning of the chassis 1 and the sealed drainage mechanism 2, a locking assembly is further disposed in the inner mounting cavity 131 of the docking ring 13, the locking assembly is matched with a locking groove 222 disposed on the flexible abdominal cavity closed bag 22, and the docking groove 221 and the locking groove 222 are mutually communicated.
Preferably, to facilitate the detachable connection of the chassis 1 with the flexible abdominal cavity closing bag 22, the locking assembly is designed to comprise a first locking block 15, a rotational locking member 16, a first return spring 18 and a second return spring 19, wherein
The rotation locking piece 16 is rotatably installed in the installation cavity 131 through the connecting shaft 17 and is matched with the locking groove 222 arranged on the inner side of the flexible abdominal cavity closed bag 22 for use;
the first locking block 15 is movably installed in the installation cavity 131 and is matched with a locking groove 222 arranged at the outer side of the flexible abdominal cavity closed bag 22 for use;
the first return spring 18 and the second return spring 19 are provided on both sides of the rotation lock 16 for returning the rotation lock 16.
Preferably, the rotational locking member 16 is an L-shaped locking block comprising an integrally formed locking handle 161 and a second locking block 162, wherein
The lock handle 161 is matched with a limiting block 151 arranged at the lower end of the first locking block 15, when the lock is used, the limiting block 151 acts on the back of the lock handle 161, and the first return spring 18 and the second return spring 19 are respectively arranged at two sides of the lock handle 161 and used for resetting the rotary locking piece 16 and the first locking block 15;
the second locking block 162 is disposed at the end of the lock handle 161, and cooperates with the locking groove 222 disposed inside the flexible abdominal cavity closed bag 22 to limit the flexible abdominal cavity closed bag 22.
Preferably, in order to ensure the butt-joint depth between the butt-joint ring 13 and the butt-joint groove 221 after the chassis 1 is connected with the flexible abdominal cavity closed bag 22 and ensure the air tightness of the integral structure after the chassis 1 is butted with the flexible abdominal cavity closed bag 22, the inner locking groove 222 and the outer locking groove 222 are designed to be arc-shaped grooves communicated with the butt-joint groove 221, namely, when the first locking block 15 and the second locking block 162 are clamped into the topmost end of the locking groove 222, the first locking block 15 and the second locking block 162 slide along the locking groove 222 by rotating the flexible abdominal cavity closed bag 22, when the first locking block 15 and the second locking block 162 slide to the bottommost end of the locking groove 222, the sealing butt joint between the chassis 1 and the flexible abdominal cavity closed bag 22 is realized, and meanwhile, the fixed connection between the chassis 1 and the flexible abdominal cavity closed bag 22 is realized under the limiting action of the first locking block 15 and the second locking block 162.
Preferably, in order that the first locking block 15 and the second locking block 162 can retract along the telescopic groove on the installation cavity 131 under the pressure action of the outer end surface of the outer flexible abdominal cavity closed bag 22 in the process of installing the flexible abdominal cavity closed bag 22, the outer butt joint surfaces of the first locking block 15 and the second locking block 162 are designed to be arc butt joint surfaces 152, so that the first locking block 15 and the second locking block 162 can retract along the telescopic groove on the installation cavity 131 under the pressure action of the outer end surface of the flexible abdominal cavity closed bag 22 in the installation process, and the connection between the chassis 1 and the flexible abdominal cavity closed bag 22 is completed; the inner engaging surfaces of the first locking block 15 and the second locking block 162 are designed to be right-angle engaging surfaces 153, and the right-angle engaging surfaces 153 are matched with the inner side walls of the locking grooves 222 to fix the relative positions of the chassis 1 and the flexible abdominal cavity closed bag 22.
The use process and the use flow of the locking assembly in this embodiment include:
in the process of installing the flexible abdominal cavity closed bag 22 on the chassis 1, firstly, the docking ring 13 is aligned with the docking groove 221, the docking ring 13 is gradually clamped into the docking groove 221 under external pressure, in the process of gradually clamping the docking ring 13 into the docking groove 221, the first locking block 15 and the second locking block 162 shrink inwards along the telescopic groove on the installation cavity 131 under the pressure action of the outer end face of the flexible abdominal cavity closed bag 22, the connection of the chassis 1 and the flexible abdominal cavity closed bag 22 is completed, and after clamping, the flexible abdominal cavity closed bag 22 is rotated to rotate, so that the first locking block 15 and the second locking block 162 slide along the locking groove 222, and when the lowest end of the locking groove 222 is slid, the sealing docking of the chassis 1 and the flexible abdominal cavity closed bag 22 is realized, and meanwhile, the fixed connection of the chassis 1 and the flexible abdominal cavity closed bag 22 is realized under the limiting action of the first locking block 15 and the second locking block 162.
Example 3: unlike the above embodiment, in order to ensure the air tightness after the chassis 1 is connected with the flexible abdominal cavity closing bag 22, ensure the use function of the drainage tube drainage hole 211 and avoid the contamination of the abdominal wall defect part by external air or pollutants, the abdomen open wound temporary protective negative pressure closing device is designed to further comprise an air bag sealing mechanism 5, the air bag sealing mechanism 5 comprises a sealing air bag 51, an air pipe 52 and a pressure ball 53, wherein
The sealing air bag 51 is fixedly arranged at the bottom of the butt joint groove 221, is matched with an arc-shaped sealing groove 132 arranged at the end part of the butt joint ring 13 for use, and is provided with a conducting conduit 54 on the flexible abdominal cavity closed bag 22;
the air pipe 52 is arranged between the conducting conduit 54 and the pressure ball 53 and is used for communicating the pressure ball 53 with the sealing air bag 51;
the pressure ball 53 is used for providing pressure, so that the sealing air bag 51 is inflated, the gap between the chassis 1 and the flexible abdominal cavity sealing bag 22 is filled, and the air tightness of the connection between the chassis 1 and the flexible abdominal cavity sealing bag 22 is ensured.
The use process and use principle of the air bag sealing mechanism 5 in this embodiment include:
after the chassis 1 is connected with the flexible abdominal cavity closed bag 22, the sealing air bag 51 is inflated by pressing the sealing air bag 51, so that a gap between the chassis 1 and the flexible abdominal cavity closed bag 22 is filled, and the air tightness of the connection between the chassis 1 and the flexible abdominal cavity closed bag 22 is ensured.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A temporary protective negative pressure closure device for an open abdominal wound, characterized by: comprises a chassis, a sealing drainage mechanism, an abdominal belt, a locking component and an air bag sealing mechanism,
the bottom of the chassis is provided with an adhesive ring made of an adhesive material, the adhesive ring can be tightly attached to the skin, the middle of the chassis is provided with a through hole, and the through hole is matched with the flexible abdominal cavity closed bag for use;
the sealed drainage mechanism is arranged on the chassis and comprises an in-bag drainage tube, a flexible abdominal cavity sealing bag, an out-bag drainage tube and a drainage tube interface, wherein the in-bag drainage tube and the flexible abdominal cavity sealing bag are both arranged on the chassis, two ends of the out-bag drainage tube are respectively connected with the in-bag drainage tube and the drainage tube interface and are used for wrapping and protecting an abdominal organ and temporarily sealing the abdominal cavity, the flexible abdominal cavity sealing bag is made of transparent materials, and the drainage tube interface is matched with negative pressure equipment;
the bellyband is symmetrically arranged at two sides of the chassis, and the end part of the bellyband, which is not connected with the chassis, is provided with an adhesive tape;
the locking assembly is arranged in a butt joint ring on the chassis, and is matched with a locking groove arranged on the flexible abdominal cavity closed bag for use, and the butt joint ring is matched with a butt joint groove arranged on the flexible abdominal cavity closed bag for use;
the air bag sealing mechanism is arranged between the chassis and the sealing drainage mechanism;
the locking component is arranged in the inner mounting cavity of the butt joint ring and comprises a first locking block, a rotary locking piece, a first reset spring and a second reset spring,
the rotary locking piece is rotatably arranged in the installation cavity through a connecting shaft and is matched with a locking groove arranged at the inner side of the flexible abdominal cavity closed bag for use;
the first locking block is movably arranged in the mounting inner cavity and is matched with a locking groove arranged at the outer side of the flexible abdominal cavity closed bag for use;
the first reset spring and the second reset spring are arranged at two sides of the rotation locking piece and reset the rotation locking piece;
the rotary locking piece is an L-shaped locking block and comprises a locking handle and a second locking block which are integrally formed,
the lock handle is matched with a limiting block arranged at the lower end of the first locking block, and the first reset spring and the second reset spring are respectively arranged at two sides of the lock handle;
the second locking block is arranged at the end part of the lock handle and is matched with a locking groove arranged at the inner side of the flexible abdominal cavity closed bag;
the air bag sealing mechanism comprises a sealing air bag, an air pipe and a pressure ball,
the sealing air bag is arranged at the bottom of the butt joint groove, is matched with the arc-shaped sealing groove arranged at the end part of the butt joint ring for use, and is provided with a conduction conduit which is communicated with the sealing air bag;
the air pipe is arranged between the conducting catheter and the pressure ball and is connected with the pressure ball and the sealing air bag;
the pressure ball is connected with the sealing air bag through an air pipe.
2. The abdominal opening injury temporary protective negative pressure closure device of claim 1, wherein: the drainage tube in the bag form by two semicircular drainage pipes fusion connection that communicate each other, the chassis is the silica gel chassis, is provided with the locating ball on the silica gel chassis, the bottom and the locating ball butt that sets up on the silica gel chassis of drainage pipe, and the top of two drainage pipes is 90 degrees cross fusion and communicates with each other, still be provided with a plurality of drainage tube drainage holes on the drainage tube in the bag, the drainage hole communicates with the inner chamber of the sealed bag of flexible abdominal cavity.
3. The abdominal opening injury temporary protective negative pressure closure device of claim 1, wherein:
the inner opening of the drainage tube outside the bag is in fusion connection with the top end of the drainage tube inside the bag, and the drainage tube inside the bag is attached to the inner side of the flexible abdominal cavity closed bag to support the abdominal cavity closed bag;
the drainage tube interface is of a horn-shaped structure with large outside and small inside.
4. The abdominal opening injury temporary protective negative pressure closure device of claim 1, wherein: the chassis is of a circular ring structure.
5. The abdominal opening injury temporary protective negative pressure closure device of claim 1, wherein: the inner side locking groove of the flexible abdominal cavity closed bag and the outer side locking groove of the flexible abdominal cavity closed bag are arc grooves communicated with the butt joint groove.
6. The abdominal opening injury temporary protective negative pressure closure device of claim 1, wherein:
the outer butt joint surfaces of the first locking block and the second locking block are arc butt joint surfaces, and the arc butt joint surfaces are matched with the outer end surfaces of the flexible abdominal cavity closed bags;
the inner clamping surfaces of the first locking block and the second locking block are right-angle clamping surfaces, and the right-angle clamping surfaces are matched with the inner side walls of the locking grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310164458.XA CN116270020B (en) | 2023-02-25 | 2023-02-25 | Temporary protective negative pressure closing device for abdominal open wound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310164458.XA CN116270020B (en) | 2023-02-25 | 2023-02-25 | Temporary protective negative pressure closing device for abdominal open wound |
Publications (2)
| Publication Number | Publication Date |
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| CN116270020A CN116270020A (en) | 2023-06-23 |
| CN116270020B true CN116270020B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310164458.XA Active CN116270020B (en) | 2023-02-25 | 2023-02-25 | Temporary protective negative pressure closing device for abdominal open wound |
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| CN (1) | CN116270020B (en) |
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| Publication number | Publication date |
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| CN116270020A (en) | 2023-06-23 |
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