CN114533977A - Portable vacuum pump negative pressure scar therapeutic device - Google Patents
Portable vacuum pump negative pressure scar therapeutic device Download PDFInfo
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- CN114533977A CN114533977A CN202210158546.4A CN202210158546A CN114533977A CN 114533977 A CN114533977 A CN 114533977A CN 202210158546 A CN202210158546 A CN 202210158546A CN 114533977 A CN114533977 A CN 114533977A
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Abstract
The invention relates to the technical field of medical instruments, in particular to a portable vacuum pump negative pressure scar therapeutic device; the method comprises the following steps: a main machine and a drainage bottle; the bottle cap of the drainage bottle is communicated with the vacuum pump through a first drainage tube and is communicated with a sucker through a second drainage tube; the sucking disc is fixedly connected with a patch; the drainage bottle comprises a first bottle and a second bottle; the first bottle and the second bottle are connected through a sealing connection mechanism; two electrode plates are symmetrically arranged on the patch; according to the invention, after the drainage bottle is filled with liquid, the second bottle is taken down from the first bottle, and then the empty second bottle is arranged on the first bottle, so that the drainage tube is not required to be clamped and the main machine is stopped, and then the drainage bottle is replaced, so that the main machine still generates negative pressure when the second bottle is replaced, and therefore, the negative pressure at the wound of a patient is not interrupted, the treatment at the wound of the patient is not interrupted, and further, the drainage effect at the wound of the patient is not influenced, the effect of treating the wound of the invention is ensured, and the generation of scars after the wound is healed is reduced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a portable vacuum pump negative pressure scar treatment device.
Background
Scars are common complications after skin injury repair, and particularly, scars on wound parts after caesarean section operation affect the beauty of patients seriously, cause discomfort and dysfunction, and reduce the life quality. A large number of clinical observations and experimental studies indicate that the potential factors leading to scar hyperplasia are the mechanical stress of the wound, infection, inflammatory response, foreign body reaction, where the mechanical stress (strain) of the wound plays a key role in scar formation; the greater the wound tension, the more the tissue inflammatory reaction is, and scars are more appeared after the wound is healed; the speed of wound healing is closely related to the scar, the wound healing is fast, the tissue inflammation reaction time is short, and the scar is light; therefore, scars are the result of the influence of various factors in the wound healing process, and the technical method capable of simultaneously interfering the various factors of scar formation can obviously improve the clinical curative effect of preventing and treating scars.
The scar therapeutic device comprises wound dressing (medical cotton, cotton gauze and the like), a drainage sucker, a drainage tube, a drainage bottle for collecting drainage liquid and a negative pressure source (a host and a vacuum pump); medical personnel place the dressing in patient wound, cover the dressing and laminate patient's skin with medical pellicle again, place the sucking disc on the dressing, cover medical pellicle again, drainage bottle and negative pressure source are connected to the drainage tube with the sucking disc intercommunication at last, the negative pressure source produces the negative pressure, make the cell of patient wound receive the negative pressure and expand and distort, healing growth factor before arousing the cell secretion, thereby amazing more new blood vessel of tissue production and granulation tissue, simultaneously the purulent exudate and the tissue fluid of wound pass through sucking disc and drainage tube entering drainage bottle in, the absorption of wound to toxic product such as purulent exudate has been reduced.
The existing drainage bottle needs to clamp a drainage tube firstly after being filled with the drainage bottle, so that the drainage tube is closed, then a machine is paused, negative pressure is stopped being generated, then the drainage bottle is dismounted, the disinfected drainage bottle is replaced, then the machine is restarted, when the negative pressure generated by the machine reaches a set negative pressure, the drainage tube clamped by the clamp is loosened, the step of replacing the drainage bottle is complicated, the treatment on the wound needs to be interrupted, the valuable treatment time for severe patients is prolonged, meanwhile, the clamp drainage tube cannot ensure that the negative pressure at the wound of the patient is constant, so that liquid in the drainage tube flows back, and the wound of the patient is polluted; after cliping the drainage tube, still can appear being full of liquid in the drainage tube, having lost the negative pressure that the machine continuously produced, and the wound of patient constantly oozes purulent exudate and tissue fluid, gets into in the drainage tube to the pressure recovery normal of in the drainage tube and patient wound, make the negative pressure of patient wound interrupt, thereby influence the condition of the drainage effect of patient wound, and then the healing of slowing down patient wound.
In view of this, in order to overcome the above technical problems, the present invention provides a portable vacuum pump negative pressure scar treatment device, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the portable vacuum pump negative pressure scar treatment device provided by the invention has the advantages that after the drainage bottle is filled with liquid, the second bottle is taken down from the first bottle, the empty second bottle is arranged on the first bottle, so that the drainage tube is not required to be clamped, the host is not required to be stopped, and the drainage bottle is replaced, so that the host still generates negative pressure when the second bottle is replaced, the negative pressure at the wound of a patient is not interrupted, the treatment at the wound of the patient is not interrupted, the treatment duration of the patient is reduced on the one hand, the drainage effect at the wound of the patient is not influenced, the effect of treating the wound is ensured, and the generation of scars after the wound is healed is reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows: a portable vacuum pump negative pressure scar treatment device, comprising:
a host; a vacuum pump is arranged in the main machine;
a drainage bottle; the drainage bottle is arranged on the host machine through the fixing ring, the bottle cap of the drainage bottle is communicated with the vacuum pump through a first drainage tube, and is communicated with the sucker through a second drainage tube; the sucking disc is fixedly connected with a patch;
the drainage bottle comprises a first bottle and a second bottle; the first bottle and the second bottle are connected through a sealing connection mechanism;
two electrode plates are symmetrically adhered on the patch; the host can transmit pulse current to the electrode sheet through the line.
Preferably, the sealing connection mechanism comprises a first check valve; the first check valve comprises a step hole, a first spring and a sealing ball; the step hole penetrates through the bottom of the first bottle; the first spring is positioned in the step hole, the upper end of the first spring is fixedly connected with the step hole, and the lower end of the first spring is contacted with the sealing ball; the sealing ball is in sealing contact with the step hole; the bottom of the second bottle is fixedly connected with a supporting rod; the outer side wall of the first bottle is in threaded sealing connection with the inner side wall of the second bottle, and the support rod can open the first check valve after the second bottle is installed on the first bottle; the material of the first bottle and the second bottle is transparent material, such as transparent plastic.
Preferably, the bottle bottom of the first bottle is downwards concave, and the first check valve is positioned at the vertex of the concave; the first check valve is positioned in the first bottle when the first bottle is clamped with the second bottle.
Preferably, the sealing ball is fixedly connected with a linkage rod; the trace passes the step hole and keeps away from the bracing piece setting.
Preferably, the end surface of the support rod close to the sealing ball is adapted to the sealing ball.
Preferably, the sealing connection mechanism comprises a sealing block; one end of the outer side wall of the second bottle, which is close to the first bottle, is hinged with a first buckle, and the bottle mouth of the second bottle is fixedly connected with a sealing washer; a rectangular groove is formed in the outer side wall of the first bottle; the first buckle can be clamped into the rectangular groove; the bottle bottom of the first bottle is provided with a first through groove and a second through groove, and a first sheet is arranged on the inner wall of the first bottle; the first sheet is made of elastic material, such as elastic plastic; the end surface of the first sheet close to the first through groove is fixedly connected with a sealing block; the sealing block is made of flexible materials such as rubber; the sealing block surrounds the first through groove and is in contact with the bottle bottom of the first bottle; the inner wall of the second bottle is fixedly connected with an L-shaped block; a first block is connected in the second through groove in a sliding manner; the first block is contacted with the first sheet; the L-shaped block can jack up the first block when the first bottle is clamped with the second bottle.
Preferably, a floating block is arranged in the second bottle; the floating block is step-shaped, and the upper end of the floating block can enter the first through groove and expose the first through groove.
Preferably, a rotating rod is hinged on the outer side surface of the floating block; the other end of the rotating rod is hinged with the L-shaped block.
Preferably, the inner wall of the first bottle is provided with a spiral groove; the spiral groove is obliquely arranged; the first piece is in sliding fit with the spiral groove, and the spiral groove can be pulled out of the first piece.
Preferably, the electrode plate is made of a flexible material, such as conductive gel; the shape of the electrode slice is a semi-circular arc.
The invention has the following beneficial effects:
1. according to the invention, after the drainage bottle is filled with liquid, the second bottle is taken down from the first bottle, and then the empty second bottle is arranged on the first bottle, so that the drainage tube is not required to be clamped and the main machine is stopped, and then the drainage bottle is replaced, so that the main machine still generates negative pressure when the second bottle is replaced, and therefore, the negative pressure at the wound of a patient is not interrupted, the treatment at the wound of the patient is not interrupted, on one hand, the treatment duration of the patient is reduced, and meanwhile, the drainage effect at the wound of the patient is not influenced, the effect of treating the wound is ensured, and the generation of scars after the wound is healed is reduced.
2. According to the invention, the medical staff surrounds the wound of the patient with the two electrode plates to form a closed ring, so that the wound of the patient is in the ring formed by the two electrode plates, when the medical staff covers the wound of the patient with the medical semipermeable membrane, the electrode plates made of the conductive gel stick the patch and the skin of the patient, so that air cannot pass through the ring formed by the electrode plates, the sealing property of the wound of the patient is improved, and the treatment effect of the patient is improved.
3. According to the invention, the first sheet slides in the spiral groove when the medical staff cleans the first bottle, so that the medical staff can clean the space below the first sheet conveniently, the situation that liquid still remains below the first sheet after the medical staff cleans is prevented, and the cleaning and disinfecting effects are ensured.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a schematic view of the structure of the suction cup and patch of the present invention;
FIG. 3 is a partial cross-sectional view of a first embodiment of a sealing attachment of the present invention;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a partial, perspective view of a second embodiment of a sealing interface in accordance with the present invention;
in the figure: 1. a host; 2. a drainage bottle; 21. a stationary ring; 24. a first drainage tube; 25. a second drainage tube; 26. a suction cup; 27. pasting a piece; 28. a first bottle; 29. a second bottle; 3. a sealing connection mechanism; 4. an electrode sheet; 5. a first check valve; 51. a stepped bore; 52. a first spring; 53. a sealing ball; 54. a support bar; 55. a linkage rod; 6. a sealing block; 61. a first buckle; 62. a sealing gasket; 63. a rectangular groove; 64. a first through groove; 65. a first sheet; 66. a first block; 67. an L-shaped block; 68. a second through groove; 7. a floating block; 71. rotating the rod; 72. a helical groove; 73. an insulating block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the portable vacuum pump negative pressure scar treatment device of the invention comprises:
a host 1; a vacuum pump is arranged in the main machine 1;
a drainage bottle 2; the drainage bottle 2 is arranged on the host machine 1 through a fixing ring 21, the bottle cap of the drainage bottle 2 is communicated with a vacuum pump through a first drainage tube 24, and is communicated with a sucker 26 through a second drainage tube 25; the suction cup 26 is fixedly connected with a patch 27;
the drainage bottle 2 comprises a first bottle 28 and a second bottle 29; the first bottle 28 and the second bottle 29 are connected through a sealing connection mechanism 3;
two electrode plates 4 are symmetrically adhered to the patch 27; the pulse current transmitter in the host 1 can transmit pulse current to the electrode plate 4 through a line;
when the drainage bottle 2 is in work, after the existing drainage bottle 2 is filled with the liquid, the drainage tube is clamped firstly, the drainage tube is closed, the machine is paused, negative pressure is stopped being generated, then the drainage bottle 2 is dismounted, the disinfected drainage bottle 2 is replaced, then the machine is restarted, when the negative pressure generated by the machine reaches the set negative pressure, the drainage tube clamped is loosened, the step of replacing the drainage bottle 2 is complex, the treatment on the wound needs to be interrupted, the treatment time is prolonged, and the liquid in the drainage tube needs to be prevented from reflowing to pollute the wound of a patient; clamping the drainage tube, if the drainage tube is filled with liquid, losing negative pressure continuously generated by the machine, and continuously oozing purulent exudates and tissue fluid at the wound of the patient to enter the drainage tube, so that the pressure in the drainage tube and the wound of the patient is recovered to be normal, the negative pressure at the wound of the patient is interrupted, the drainage effect at the wound of the patient is influenced, and the wound of the patient is slowed down;
therefore, when a medical worker uses the recovery therapy device to recover and treat a wound of a patient, the medical worker firstly places the patch 27 at the cleaned wound of the patient, the patch 27 covers the wound of the patient, then the electrode plate 4 is attached to the skin around the wound of the patient, the medical semipermeable membrane covers the patch 27, so that the medical semipermeable membrane is attached to the skin around the wound of the patient, the medical worker then uses scissors to cut a gap on the medical semipermeable membrane covered on the patch 27, the suction cup 26 is placed at the gap, then one piece of medical semipermeable membrane covers the suction cup 26, the medical semipermeable membrane is attached to the skin of the patient, the medical worker sets a negative pressure value and a negative pressure time through the host 1, then the host 1 is started, a vacuum pump in the host 1 generates negative pressure, so that the negative pressure is transmitted to the suction cup 26 through the first drainage tube 24, the drainage bottle 2 and the second drainage tube 25, and the suction cup 26 enables the wound of the patient to be recovered and treated, Air between the patch 27 and the suction cup 26 is pumped out, the patch 27 is attached to the wound of the patient, the wound of the patient is subjected to negative pressure, cell membranes of cells at the wound are expanded and twisted, and the cells are considered as damaged, so that the growth factors for healing before secretion, including the vascular proliferation factors, are secreted, and further, the tissues are stimulated to produce more new blood vessels and granulation tissues; purulent exudates and liquid of the wound of the patient enter the second drainage tube 25 through the patch 27 and the suction cup 26 and then enter the first bottle 28 of the drainage bottle 2 through the second drainage tube 25, so that the liquid in the first bottle 28 enters the second bottle 29 and is stored in the second bottle 29; after the second bottle 29 is filled with liquid and needs to be poured, the medical staff separates the first bottle 28 from the second bottle 29, the liquid entering the first bottle 28 through the second drainage tube 25 is stored in the first bottle 28, the medical staff connects the other second bottles 29 with the first bottle 28, so that the liquid in the first bottle 28 enters the empty second bottle 29, the medical staff pours out the liquid in the second bottle 29 filled with the liquid and sterilizes the second bottle 29; after the patient finishes one treatment, the medical staff takes the medical semipermeable membrane, the sucking disc 26 and the patch 27 off the wound of the patient and then disinfects and wraps the wound of the patient;
medical personnel control a pulse current emitter of the host 1 to emit pulse current through an operation interface of the host 1, so that the pulse current is transmitted to the two electrode plates 4 through a circuit, and the electrode plates 4 transmit the pulse current to skin around a wound of a patient, so that the wound of the patient is stimulated, the permeability of skin blood vessels around the wound of the patient is increased, and the growth of new blood vessels is facilitated;
according to the invention, after the drainage bottle 2 is filled with liquid, the second bottle 29 is taken down from the first bottle 28, and then the empty second bottle 29 is installed on the first bottle 28, so that the drainage tube is not required to be clamped and the main machine 1 is stopped, and then the drainage bottle 2 is replaced, so that the main machine 1 still generates negative pressure when the second bottle 29 is replaced, and therefore, the negative pressure at the wound of a patient is not interrupted, and the treatment at the wound of the patient is not interrupted, therefore, on one hand, the treatment duration of the patient is reduced, and meanwhile, the drainage effect at the wound of the patient is not influenced, the effect of treating the wound is ensured, and the generation of scars after the wound is healed is reduced.
As an embodiment of the present invention, the seal connection mechanism 3 includes a first check valve 5; the first check valve 5 comprises a stepped hole 51, a first spring 52 and a sealing ball 53; the stepped hole 51 penetrates through the bottom of the first bottle 28; the first spring 52 is positioned in the stepped hole 51, the upper end of the first spring 52 is fixedly connected with the stepped hole 51, and the lower end of the first spring 52 is contacted with the sealing ball 53; the sealing ball 53 is in sealing contact with the stepped hole 51; the bottom of the second bottle 29 is fixedly connected with a support rod 54; the outer side wall of the first bottle 28 is in threaded sealing connection with the inner side wall of the second bottle 29, and the support rod 54 can open the first check valve 55 after the second bottle 29 is installed on the first bottle 28; the material of the first bottle 28 and the second bottle 29 is a transparent material, such as transparent plastic.
As an embodiment of the present invention, the bottom of the No. one bottle 28 is recessed downward, and the No. one-way valve 5 is located at the apex of the recess; when the first bottle 28 is engaged with the second bottle 29, the first check valve 5 is located in the second bottle 29.
As an embodiment of the present invention, the ball sealer 53 is fixedly connected with a linkage rod 55; the trace 55 passes through the stepped hole 51 and is disposed away from the support rod 54.
As an embodiment of the invention, the end face of the support rod 54 adjacent to the sealing ball 53 is adapted to the sealing ball 53.
When the medical drainage tube is in work, a medical worker screws the bottle mouth of the second bottle 29 on the bottle bottom of the first bottle 28, the second bottle 29 is in sealing connection with the first bottle 28, the supporting rod 54 is in contact with the sealing ball 53 and jacks up the sealing ball 53, the first spring 52 is compressed under pressure, the sealing ball 53 is positioned in the stepped hole 51 and is not in sealing contact with the stepped hole 51, the first bottle 28 is communicated with the second bottle 29 through the stepped hole 51, and liquid in the second drainage tube 25 enters the first bottle 28 and then enters the second bottle 29 through the stepped hole 51; after the second bottle 29 is filled with liquid, the first bottle 28 is held by one hand, the second bottle 29 is held by the other hand, the second bottle 29 is screwed, so that the second bottle 29 is screwed off from the first bottle 28, the first spring 52 is restored and pushes the sealing ball 53, the sealing ball 53 blocks the stepped hole 51, the sealing effect is achieved, the liquid in the first bottle 28 cannot pass through the stepped hole 51, and the liquid flowing out of the second drainage tube 25 is stored in the first bottle 28; the medical staff screws the empty second bottle 29 on the first bottle 28, and the supporting rod 54 of the second bottle 29 jacks up the sealing ball 53 again, so that the liquid in the first bottle 28 enters the new second bottle 29 again;
the bottle bottom of the first bottle 28 is located in the second bottle 29, so that when the second bottle 29 is filled with liquid, the page of the liquid is located below the bottle opening of the second bottle 29, and therefore the situation that the liquid in the second bottle 29 overflows due to being too full in the process that medical staff unscrew the second bottle 29 and carry the second bottle 29 to a pouring point to pour the liquid is prevented from happening, and the liquid is further scattered on the hands or the ground of the medical staff, so that the environment is polluted, and the surrounding environment is influenced;
when cleaning and disinfecting the drainage bottle 2, the medical staff firstly separates the first bottle 28 from the second bottle 29 and respectively cleans and disinfects the first bottle 28 and the second bottle 29; when a medical worker cleans and sterilizes the first bottle 29, the linkage rod 55 is pulled, so that the linkage rod 55 drives the sealing ball 53, the sealing ball 53 compresses the first spring 52, the sealing ball 53 is not in sealing contact with the stepped hole 51 at the moment, the cleaning or sterilizing liquid in the first bottle 28 enters the stepped hole 51 to clean and sterilize the stepped hole 51, bacteria are prevented from growing in the stepped hole 51, and a patient is prevented from being infected by a hospital source;
the end face of the support rod 54 close to the sealing ball 53 is set to be in a shape attached to the sealing ball 53, so that when the support rod 54 is in contact with the sealing ball 53, the support rod 54 is set to be in a sucking disc shape, one end of the sucking disc shape is attached to the sealing ball 53, the contact area between the support rod 54 and the sealing ball 53 is increased, the situations that the contact area between the sealing ball 53 and the support rod 54 is small and the sealing ball 53 and the support rod 54 are staggered after the support rod 54 is in contact with the sealing ball 53 are prevented, and the use effect of the invention is ensured.
As another embodiment of the sealing connection mechanism, the sealing connection mechanism 3 includes a sealing block 6; one end of the outer side wall of the second bottle 29, which is close to the first bottle 28, is hinged with a first buckle 61, and the mouth of the second bottle 29 is fixedly connected with a sealing washer 62; a rectangular groove 63 is formed in the outer side wall of the first bottle 28; the first buckle 61 can be clamped into the rectangular groove 63; a first through groove 64 and a second through groove 68 are formed in the bottom of the first bottle 28, and a first sheet 65 is mounted on the inner wall of the first bottle 28; the first sheet 65 is made of an elastic material, such as elastic plastic; the end surface of the first sheet 65 close to the first through groove 64 is fixedly connected with the sealing block 6; the sealing block 6 is made of flexible material, such as rubber; sealing block 6 surrounds through groove 64 and contacts the bottom of bottle 28; an L-shaped block 67 is fixedly connected to the inner wall of the second bottle 29; a first block 66 is slidably connected in the second through groove 68; block number one 66 is in contact with sheet number one 65; l-shaped block 67 can lift up first block 66 when first bottle 28 and second bottle 29 are engaged.
When the medical nursing bottle works, a medical worker aligns the sealing washer 62 on the second bottle 29 with the bottom of the first bottle 28 and then clamps the first buckle 61 into the corresponding rectangular groove 63, so that the L-shaped block 67 is in contact with the first block 66 and jacks up the first block 65, the first block 66 jacks up the first sheet 65, the first sheet 65 drives the sealing block 6 to move together, and the sealing block 6 cannot be in contact with the bottom of the first bottle 28 and seals the first through groove 64; when the medical drainage tube is used for treating a patient, liquid in the second drainage tube 25 firstly enters the first bottle 28 and then enters the second bottle 29 through the first penetrating groove 64; when the second bottle 29 is filled with liquid, the medical staff pulls the first buckle 61, so that the first buckle 61 is separated from the rectangular groove 63, the medical staff moves the second bottle 29 away from the lower part of the first bottle 28, the L-shaped block 67 is not contacted with the first block, the first piece 65 is restored under the action of self elasticity and pushes the first block 66 downwards, the sealing block 6 is contacted with the bottom of the first bottle 28 again and is slightly deformed by pressure and surrounds the first through groove 64, and the liquid in the first bottle 28 cannot enter the first through groove 64; compare sealed coupling mechanism 3 and include the embodiment of a check valve 5, the space in a check valve 5 is difficult for cleaning and disinfecting, and a piece 65 and the structure of sealed piece 6 of this embodiment expose in the external world, and the medical personnel of being convenient for clean and disinfect.
In one embodiment of the present invention, a floating block 7 is provided in the second bottle 29; the floating block 7 is in a step shape, the upper end of the floating block 7 can enter the first through groove 64 and the first through groove 64 is exposed.
As an embodiment of the present invention, a rotating lever 71 is hinged on the outer side surface of the floating block 7; the other end of the rotating rod 71 is hinged to the L-shaped block 67.
In operation, liquid in the first bottle 28 enters the second bottle 29 through the first through groove 64; when the liquid in the No. two bottle 29 contacts with the floating block 7, the liquid lifts the floating block 7, the floating block 7 floats on the liquid, the position of the floating block 7 rises along with the rise of the liquid level of the liquid in the No. two bottle 29, so that the upper end of the floating block 7 enters the No. one through groove 64 to block the No. one through groove 64, and the liquid in the No. one bottle 28 cannot enter the No. two bottle 29 through the No. one through groove 64; when the medical staff takes off the second bottle 29, the L-shaped block 67 moves along with the second bottle 29, so that one end of the first sheet 65, which is far away from the position fixedly connected with the first bottle 28, moves along with the L-shaped block 67, meanwhile, the floating block 7 moves downwards, when the sealing block 6 is completely contacted with the bottom of the first bottle 28, the upper end of the floating block 7 is still in the first penetrating groove 64, so that the liquid in the first bottle 28 cannot enter the second bottle 29 at the moment that the second bottle 29 is separated from the first bottle 28, and when the medical staff afraid of the liquid and slowly moves the second bottle 29, the situation that the second bottle 29 is separated from the first bottle 28 at the moment that the liquid in the first bottle 28 enters the second bottle 29 again to fill the second bottle 29 is avoided, and the actual use effect of the invention is ensured; meanwhile, the floating block 7 is connected with the L-shaped block 67 through the rotating rod 71, on one hand, the floating block 7 is connected onto the L-shaped block 67 to prevent the floating block 7 from being lost, and on the other hand, the floating block 7 is positioned so as to be positioned under the first through groove 64 when being close to the first through groove 64, so that the situation that the floating block 7 is not positioned under the first through groove 64 when being close to the first through groove 64 and the upper end of the floating block 7 cannot enter the first through groove 64 is prevented;
as an embodiment of the present invention, a spiral groove 72 is provided on the inner wall of the first bottle 28; the spiral groove 72 penetrates through the opening of the first bottle 28; the first piece 65 is slidably connected with the spiral groove 72.
In operation, the medical staff slides the first piece 65, so that the first piece 65 slides in the spiral groove 72, and the first piece 65 moves in the vertical direction toward the bottom of the first bottle 28, so that the distance between the first piece 65 and the bottom of the first bottle 28 decreases, and the degree of compression of the sealing block 6 increases; when the medical staff cleans the bottle No. 28, the first piece 65 slides in the opposite direction in the spiral groove 72, so that the first piece 65 slides in the vertical direction in the direction away from the bottom of the bottle No. 28, the distance between the first piece 65 and the bottom of the bottle No. 28 is increased, and the medical staff can conveniently clean the space below the first piece 65;
according to the invention, the first piece 65 slides in the spiral groove 72 when the medical staff cleans the first bottle 28, so that the medical staff can clean the space below the first piece 65 conveniently, the situation that liquid still remains below the first piece 65 after the medical staff cleans is prevented, and the cleaning and disinfecting effects are ensured.
In one embodiment of the present invention, the electrode sheet 4 is made of a flexible material, such as conductive gel; the electrode plate 4 is in a semi-circular arc shape, and the end part of the electrode plate 4 is fixedly connected with an insulating block 73.
The during operation, medical personnel encircle patient's wound with two electrode slices 4 and form a confined ring, the insulating block 73 on two electrode slices 4 contacts each other and seals, thereby patient's wound is in the ring of two electrode slices 4 formation, when medical personnel use medical pellicle to cover patient's wound, electrode slice 4 that electrically conductive gel made glues paster 27 and patient's skin, make the air can not pass through the ring that electrode slice 4 formed, thereby the leakproofness of patient's wound has been increased, patient's treatment has been promoted.
Example 1:
referring to the specification, attached figure 1 and the specification, attached figure 2; a portable vacuum pump negative pressure scar treatment device, comprising:
a host 1; a vacuum pump is arranged in the main machine 1;
a drainage bottle 2; the drainage bottle 2 is arranged on the host machine 1 through a fixing ring 21, the bottle cap of the drainage bottle 2 is communicated with a vacuum pump through a first drainage tube 24, and is communicated with a sucker 26 through a second drainage tube 25; the suction cup 26 is fixedly connected with a patch 27;
the drainage bottle 2 comprises a first bottle 28 and a second bottle 29; the first bottle 28 and the second bottle 29 are connected through a sealing connection mechanism 3;
two electrode plates 4 are symmetrically adhered to the patch 27; the pulse current transmitter in the host 1 can transmit pulse current to the electrode plate 4 through a line;
when the drainage bottle 2 is in work, after the existing drainage bottle 2 is filled with the liquid, the drainage tube is clamped firstly, the drainage tube is closed, the machine is paused, negative pressure is stopped being generated, then the drainage bottle 2 is dismounted, the disinfected drainage bottle 2 is replaced, then the machine is restarted, when the negative pressure generated by the machine reaches the set negative pressure, the drainage tube clamped is loosened, the step of replacing the drainage bottle 2 is complex, the treatment on the wound needs to be interrupted, the treatment time is prolonged, and the liquid in the drainage tube needs to be prevented from reflowing to pollute the wound of a patient; clamping the drainage tube, if the drainage tube is filled with liquid, losing negative pressure continuously generated by the machine, and continuously oozing purulent exudates and tissue fluid at the wound of the patient to enter the drainage tube, so that the pressure in the drainage tube and the wound of the patient is recovered to be normal, the negative pressure at the wound of the patient is interrupted, the drainage effect at the wound of the patient is influenced, and the wound of the patient is slowed down;
therefore, when a medical worker uses the recovery therapy device to recover and treat a wound of a patient, the medical worker firstly places the patch 27 at the cleaned wound of the patient, the patch 27 covers the wound of the patient, then the electrode plate 4 is attached to the skin around the wound of the patient, the medical semipermeable membrane covers the patch 27, so that the medical semipermeable membrane is attached to the skin around the wound of the patient, the medical worker then uses scissors to cut a gap on the medical semipermeable membrane covered on the patch 27, the suction cup 26 is placed at the gap, then one piece of medical semipermeable membrane covers the suction cup 26, the medical semipermeable membrane is attached to the skin of the patient, the medical worker sets a negative pressure value and a negative pressure time through the host 1, then the host 1 is started, a vacuum pump in the host 1 generates negative pressure, so that the negative pressure is transmitted to the suction cup 26 through the first drainage tube 24, the drainage bottle 2 and the second drainage tube 25, and the suction cup 26 enables the wound of the patient to be recovered and treated, Air between the patch 27 and the suction cup 26 is pumped out, the patch 27 is attached to the wound of the patient, the wound of the patient is subjected to negative pressure, cell membranes of cells at the wound are expanded and twisted, and the cells are considered as damaged, so that the growth factors for healing before secretion, including the vascular proliferation factors, are secreted, and further, the tissues are stimulated to produce more new blood vessels and granulation tissues; purulent exudates and liquid of the wound of the patient enter the second drainage tube 25 through the patch 27 and the suction cup 26 and then enter the first bottle 28 of the drainage bottle 2 through the second drainage tube 25, so that the liquid in the first bottle 28 enters the second bottle 29 and is stored in the second bottle 29; after the second bottle 29 is filled with liquid and needs to be poured, the medical staff separates the first bottle 28 from the second bottle 29, the liquid entering the first bottle 28 through the second drainage tube 25 is stored in the first bottle 28, the medical staff connects other second bottles 29 with the first bottle 28, so that the liquid in the first bottle 28 enters the empty second bottle 29 again, the medical staff pours out the liquid in the second bottle 29 filled with the liquid and sterilizes the second bottle 29; after the patient finishes one treatment, the medical staff takes the medical semipermeable membrane, the sucking disc 26 and the patch 27 off the wound of the patient and then disinfects and wraps the wound of the patient;
medical personnel control a pulse current emitter of the host 1 to emit pulse current through an operation interface of the host 1, so that the pulse current is transmitted to the two electrode plates 4 through a circuit, and the electrode plates 4 transmit the pulse current to skin around a wound of a patient, so that the wound of the patient is stimulated, the permeability of skin blood vessels around the wound of the patient is increased, and the growth of new blood vessels is facilitated;
according to the invention, after the drainage bottle 2 is filled with liquid, the second bottle 29 is taken down from the first bottle 28, and then the empty second bottle 29 is installed on the first bottle 28, so that the drainage tube is not required to be clamped and the main machine 1 is stopped, and then the drainage bottle 2 is replaced, so that the main machine 1 still generates negative pressure when the second bottle 29 is replaced, and therefore, the negative pressure at the wound of a patient is not interrupted, and the treatment at the wound of the patient is not interrupted, so that on one hand, the treatment duration of the patient is reduced, and meanwhile, the drainage effect at the wound of the patient is not influenced, the effect of treating the wound is ensured, and the generation of scars after the wound is healed is reduced.
In this embodiment, the sealing connection mechanism 3 includes a first check valve 5; the first check valve 5 comprises a stepped hole 51, a first spring 52 and a sealing ball 53; the stepped hole 51 penetrates through the bottom of the first bottle 28; the first spring 52 is positioned in the stepped hole 51, the upper end of the first spring 52 is fixedly connected with the stepped hole 51, and the lower end of the first spring 52 is contacted with the sealing ball 53; the sealing ball 53 is in sealing contact with the stepped hole 51; the bottom of the second bottle 29 is fixedly connected with a support rod 54; the outer side wall of the first bottle 28 is in threaded sealing connection with the inner side wall of the second bottle 29, and the support rod 54 can open the first check valve 55 after the second bottle 29 is installed on the first bottle 28; the material of the first bottle 28 and the second bottle 29 is a transparent material, such as transparent plastic.
In this embodiment, the bottom of the first bottle 28 is recessed downward, and the first check valve 5 is located at the top of the recess; when the first bottle 28 is engaged with the second bottle 29, the first check valve 5 is located in the second bottle 29.
In this embodiment, the sealing ball 53 is fixedly connected with a linkage rod 55; the trace 55 passes through the stepped hole 51 and is disposed away from the support rod 54.
In this embodiment, the end surface of the support rod 54 adjacent to the sealing ball 53 is adapted to the sealing ball 53.
When the medical drainage tube is in work, a medical worker screws the bottle mouth of the second bottle 29 on the bottle bottom of the first bottle 28, the second bottle 29 is in sealing connection with the first bottle 28, the supporting rod 54 is in contact with the sealing ball 53 and jacks up the sealing ball 53, the first spring 52 is compressed under pressure, the sealing ball 53 is positioned in the stepped hole 51 and is not in sealing contact with the stepped hole 51, the first bottle 28 is communicated with the second bottle 29 through the stepped hole 51, and liquid in the second drainage tube 25 enters the first bottle 28 and then enters the second bottle 29 through the stepped hole 51; after the second bottle 29 is filled with liquid, the first bottle 28 is held by one hand, the second bottle 29 is held by the other hand, the second bottle 29 is screwed, so that the second bottle 29 is screwed off from the first bottle 28, the first spring 52 is restored and pushes the sealing ball 53, the sealing ball 53 blocks the stepped hole 51, the sealing effect is achieved, the liquid in the first bottle 28 cannot pass through the stepped hole 51, and the liquid flowing out of the second drainage tube 25 is stored in the first bottle 28; the medical staff screws the empty second bottle 29 on the first bottle 28, and the supporting rod 54 of the second bottle 29 jacks up the sealing ball 53 again, so that the liquid in the first bottle 28 enters the second bottle 29 again;
the bottle bottom of the first bottle 28 is located in the second bottle 29, so that when the second bottle 29 is filled with liquid, the page of the liquid is located below the bottle opening of the second bottle 29, and therefore the situation that the liquid in the second bottle 29 overflows due to being too full in the process that medical staff unscrew the second bottle 29 and carry the second bottle 29 to a pouring point to pour the liquid is prevented from happening, and the liquid is further scattered on the hands or the ground of the medical staff, so that the environment is polluted, and the surrounding environment is influenced;
when cleaning and disinfecting the drainage bottle 2, the medical staff firstly separates the first bottle 28 from the second bottle 29 and respectively cleans and disinfects the first bottle 28 and the second bottle 29; when a medical worker cleans and sterilizes the first bottle 29, the linkage rod 55 is pulled, so that the linkage rod 55 drives the sealing ball 53, the sealing ball 53 compresses the first spring 52, the sealing ball 53 is not in sealing contact with the stepped hole 51 at the moment, the cleaning or sterilizing liquid in the first bottle 28 enters the stepped hole 51 to clean and sterilize the stepped hole 51, bacteria are prevented from growing in the stepped hole 51, and a patient is prevented from being infected by a hospital source;
the end face of the support rod 54 close to the sealing ball 53 is set to be in a shape attached to the sealing ball 53, so that when the support rod 54 is in contact with the sealing ball 53, the support rod 54 is set to be in a sucking disc shape, one end of the sucking disc shape is attached to the sealing ball 53, the contact area between the support rod 54 and the sealing ball 53 is increased, the situations that the contact area between the sealing ball 53 and the support rod 54 is small and the sealing ball 53 and the support rod 54 are staggered after the support rod 54 is in contact with the sealing ball 53 are prevented, and the use effect of the invention is ensured.
Example 2:
referring to the attached FIG. 5 of the specification, the difference is compared with the embodiment 1:
in this embodiment, the seal connection mechanism 3 includes a seal block 6; one end of the outer side wall of the second bottle 29, which is close to the first bottle 28, is hinged with a first buckle 61, and the mouth of the second bottle 29 is fixedly connected with a sealing washer 62; a rectangular groove 63 is formed in the outer side wall of the first bottle 28; the first buckle 61 can be clamped into the rectangular groove 63; a first through groove 64 and a second through groove 68 are formed in the bottom of the first bottle 28, and a first sheet 65 is mounted on the inner wall of the first bottle 28; the first sheet 65 is made of an elastic material, such as elastic plastic; the end surface of the first sheet 65 close to the first through groove 64 is fixedly connected with the sealing block 6; the sealing block 6 is made of flexible material, such as rubber; sealing block 6 surrounds through groove 64 and contacts the bottom of bottle 28; an L-shaped block 67 is fixedly connected to the inner wall of the second bottle 29; a first block 66 is slidably connected in the second through groove 68; block number one 66 is in contact with sheet number one 65; l-shaped block 67 can lift up first block 66 when first bottle 28 and second bottle 29 are engaged.
When the medical nursing bottle works, a medical worker aligns the sealing washer 62 on the second bottle 29 with the bottom of the first bottle 28 and then clamps the first buckle 61 into the corresponding rectangular groove 63, so that the L-shaped block 67 is in contact with the first block 66 and jacks up the first block 65, the first block 66 jacks up the first sheet 65, the first sheet 65 drives the sealing block 6 to move together, and the sealing block 6 cannot be in contact with the bottom of the first bottle 28 and seals the first through groove 64; when the medical drainage tube is used for treating a patient, liquid in the second drainage tube 25 firstly enters the first bottle 28 and then enters the second bottle 29 through the first penetrating groove 64; when the second bottle 29 is filled with liquid, the medical staff pulls the first buckle 61, so that the first buckle 61 is separated from the rectangular groove 63, the medical staff moves the second bottle 29 away from the lower part of the first bottle 28, the L-shaped block 67 is not contacted with the first block, the first piece 65 is restored under the action of self elasticity and pushes the first block 66 downwards, the sealing block 6 is contacted with the bottom of the first bottle 28 again and is slightly deformed by pressure and surrounds the first through groove 64, and the liquid in the first bottle 28 cannot enter the first through groove 64; compare sealed coupling mechanism 3 and include the embodiment of a check valve 5, the space in a check valve 5 is difficult for cleaning and disinfecting, and a piece 65 and the structure of sealed piece 6 of this embodiment expose in the external world, and the medical personnel of being convenient for clean and disinfect.
In this embodiment, a floating block 7 is arranged in the second bottle 29; the floating block 7 is in a step shape, the upper end of the floating block 7 can enter the first through groove 64 and the first through groove 64 is exposed.
In this embodiment, a rotating rod 71 is hinged on the outer side surface of the floating block 7; the other end of the rotating rod 71 is hinged to the L-shaped block 67.
In operation, liquid in the first bottle 28 enters the second bottle 29 through the first through groove 64; when the liquid in the No. two bottle 29 contacts with the floating block 7, the liquid lifts the floating block 7, the floating block 7 floats on the liquid, the position of the floating block 7 rises along with the rise of the liquid level of the liquid in the No. two bottle 29, so that the upper end of the floating block 7 enters the No. one through groove 64 to block the No. one through groove 64, and the liquid in the No. one bottle 28 cannot enter the No. two bottle 29 through the No. one through groove 64; when the medical staff takes off the second bottle 29, the L-shaped block 67 moves along with the second bottle 29, so that one end of the first sheet 65, which is far away from the position fixedly connected with the first bottle 28, moves along with the L-shaped block 67, meanwhile, the floating block 7 moves downwards, when the sealing block 6 is completely contacted with the bottom of the first bottle 28, the upper end of the floating block 7 is still in the first penetrating groove 64, so that the liquid in the first bottle 28 cannot enter the second bottle 29 at the moment that the second bottle 29 is separated from the first bottle 28, and when the medical staff afraid of the liquid and slowly moves the second bottle 29, the situation that the second bottle 29 is separated from the first bottle 28 at the moment that the liquid in the first bottle 28 enters the second bottle 29 again to fill the second bottle 29 is avoided, and the actual use effect of the invention is ensured; meanwhile, the floating block 7 is connected with the L-shaped block 67 through the rotating rod 71, on one hand, the floating block 7 is connected onto the L-shaped block 67 to prevent the floating block 7 from being lost, and on the other hand, the floating block 7 is positioned so as to be positioned under the first through groove 64 when being close to the first through groove 64, so that the situation that the floating block 7 is not positioned under the first through groove 64 when being close to the first through groove 64 and the upper end of the floating block 7 cannot enter the first through groove 64 is prevented;
in this embodiment, the inner wall of the first bottle 28 is provided with a spiral groove 72; the spiral groove 72 penetrates through the opening of the first bottle 28; the first piece 65 is slidably connected with the spiral groove 72.
In operation, the medical staff slides the first piece 65, so that the first piece 65 slides in the spiral groove 72, and the first piece 65 moves in the vertical direction toward the direction close to the bottom of the first bottle 28, so that the distance between the first piece 65 and the bottom of the first bottle 28 is reduced, and the degree of compression of the sealing block 6 is increased; when the medical staff cleans the bottle No. 28, the first piece 65 slides in the opposite direction in the spiral groove 72, so that the first piece 65 slides in the vertical direction in the direction away from the bottom of the bottle No. 28, the distance between the first piece 65 and the bottom of the bottle No. 28 is increased, and the medical staff can conveniently clean the space below the first piece 65;
according to the invention, the first piece 65 slides in the spiral groove 72 when the medical staff cleans the first bottle 28, so that the medical staff can clean the space below the first piece 65 conveniently, the situation that liquid still remains below the first piece 65 after the medical staff cleans is prevented, and the cleaning and disinfecting effects are ensured.
Example 3:
referring to the attached figure 1 of the specification, compared with the embodiment 1, the difference is that:
in this embodiment, the electrode sheet 4 is made of a flexible material, such as conductive gel; the electrode plate 4 is shaped like a semicircular arc.
The during operation, medical personnel encircle patient's wound with two electrode slices 4 and form a confined ring, the insulating block 73 on two electrode slices 4 contacts each other and seals, thereby patient's wound is in the ring of two electrode slices 4 formation, when medical personnel use medical pellicle to cover patient's wound, electrode slice 4 that electrically conductive gel made glues paster 27 and patient's skin, make the air can not pass through the ring that electrode slice 4 formed, thereby the leakproofness of patient's wound has been increased, patient's treatment has been promoted.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the scope of the present invention, and furthermore, the terms "first", "second", "third", etc., are only used for distinguishing the description and are not to be construed as indicating or implying relative importance.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A portable vacuum pump negative pressure scar treatment device, comprising:
a host (1); a vacuum pump is arranged in the main machine (1);
a drainage bottle (2); the drainage bottle (2) is arranged on the host (1) through a fixing ring (21), the bottle cap of the drainage bottle (2) is communicated with the vacuum pump through a first drainage tube (24), and is communicated with a sucker (26) through a second drainage tube (25); the suction cup (26) is fixedly connected with a patch (27);
the method is characterized in that: the drainage bottle (2) comprises a first bottle (28) and a second bottle (29); the first bottle (28) and the second bottle (29) are connected through a sealing connecting mechanism (3);
two electrode plates (4) are symmetrically adhered to the patch (27); the main machine (1) can transmit pulse current to the electrode plate (4) through a line.
2. The portable vacuum pump negative pressure scar therapy device of claim 1, wherein: the sealing connecting mechanism (3) comprises a first check valve (5); the first check valve (5) comprises a stepped hole (51), a first spring (52) and a sealing ball (53); the stepped hole (51) penetrates through the bottom of the first bottle (28); the first spring (52) is positioned in the stepped hole (51), the upper end of the first spring (52) is fixedly connected with the stepped hole (51), and the lower end of the first spring (52) is contacted with the sealing ball (53); the sealing ball (53) is in sealing contact with the stepped hole (51); the bottom of the second bottle (29) is fixedly connected with a support rod (54); the outer side wall of the first bottle (28) is in threaded connection with the inner side wall of the second bottle (29).
3. The portable vacuum pump negative pressure scar therapy device of claim 1, wherein: the sealing connection mechanism (3) comprises a sealing block (6); one end of the outer side wall of the second bottle (29), which is close to the first bottle (28), is hinged with a first buckle (61), and the bottle mouth of the second bottle (29) is fixedly connected with a sealing washer (62); a rectangular groove (63) is formed in the outer side wall of the first bottle (28); the first buckle (61) can be clamped into the rectangular groove (63); a first through groove (64) and a second through groove (68) are formed in the bottom of the first bottle (28), and a first sheet (65) is mounted on the inner wall of the first bottle (28); the first sheet (65) is made of elastic material; the end surface of the first sheet (65) close to the first through groove (64) is fixedly connected with a sealing block (6); the sealing block (6) surrounds the first through groove (64) and is in contact with the bottom of the first bottle (28); an L-shaped block (67) is fixedly connected to the inner wall of the second bottle (29); a first block (66) is connected in the second through groove (68) in a sliding way; the first block (66) is contacted with the first sheet (65); the L-shaped block (67) can jack up the first block (66) when the first bottle (28) is engaged with the second bottle (29).
4. The portable vacuum pump negative pressure scar therapy device of claim 2, wherein: the bottle bottom of the first bottle (28) is downwards concave, and the first check valve (5) is positioned at the top point of the concave; when the first bottle (28) is clamped with the second bottle (29), the first check valve (5) is positioned in the first bottle (28).
5. The portable vacuum pump negative pressure scar therapy device of claim 2, wherein: the sealing ball (53) is fixedly connected with a linkage rod (55); the linkage rod (55) penetrates through the step hole (51) and is far away from the support rod (54).
6. The portable vacuum pump negative pressure scar therapy device of claim 3, wherein: a floating block (7) is arranged in the second bottle (29); the floating block (7) is step-shaped, and the upper end of the floating block (7) can enter the through groove (64) and is exposed out of the through groove (64).
7. The portable vacuum pump negative pressure scar therapy device of claim 6, wherein: a rotating rod (71) is hinged on the outer side surface of the floating block (7); the other end of the rotating rod (71) is hinged with the L-shaped block (67).
8. The portable vacuum pump negative pressure scar therapy device of claim 2, wherein: a spiral groove (72) is formed in the inner wall of the first bottle (28); the spiral groove (72) is obliquely arranged; the first sheet (65) is in sliding fit with the spiral groove (72), and the first sheet (65) can be pulled out of the spiral groove (72).
9. The portable vacuum pump negative pressure scar therapy device of claim 1, wherein: the electrode plate (4) is made of conductive gel; the shape of the electrode plate (4) is a semi-circular arc.
10. The portable vacuum pump negative pressure scar therapy device of claim 5, wherein: the end surface of the support rod (54) close to the sealing ball (53) is adapted to the sealing ball (53).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210158546.4A CN114533977B (en) | 2022-02-21 | 2022-02-21 | Portable vacuum pump negative pressure scar therapeutic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210158546.4A CN114533977B (en) | 2022-02-21 | 2022-02-21 | Portable vacuum pump negative pressure scar therapeutic device |
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| CN114533977B CN114533977B (en) | 2022-11-25 |
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| CN204972417U (en) * | 2015-09-08 | 2016-01-20 | 北京大学深圳医院 | Negative pressure nursing device |
| CN112675367A (en) * | 2020-12-16 | 2021-04-20 | 井少锋 | Combined medical drainage apparatus capable of being rapidly converted for abdominal cavity operation |
| CN112972799A (en) * | 2021-03-24 | 2021-06-18 | 汤勇 | Combined treatment device for skin wounds |
| CN215023284U (en) * | 2021-03-25 | 2021-12-07 | 周晓芳 | Pressure-adjustable VSD negative pressure suction bottle convenient for drainage liquid transfer |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4569674A (en) * | 1982-08-03 | 1986-02-11 | Stryker Corporation | Continuous vacuum wound drainage system |
| US5437836A (en) * | 1992-04-17 | 1995-08-01 | Daiken Iki Co., Ltd. | Method of and container for treating waste liquid containing body fluid |
| CN103211680A (en) * | 2006-02-28 | 2013-07-24 | 科洛普拉斯特公司 | A leak sensor |
| CN104984417A (en) * | 2015-06-25 | 2015-10-21 | 南阳市汇博生物技术有限公司 | Portable mini vacuum pump negative pressure scar treatment device |
| CN204972417U (en) * | 2015-09-08 | 2016-01-20 | 北京大学深圳医院 | Negative pressure nursing device |
| CN112675367A (en) * | 2020-12-16 | 2021-04-20 | 井少锋 | Combined medical drainage apparatus capable of being rapidly converted for abdominal cavity operation |
| CN112972799A (en) * | 2021-03-24 | 2021-06-18 | 汤勇 | Combined treatment device for skin wounds |
| CN215023284U (en) * | 2021-03-25 | 2021-12-07 | 周晓芳 | Pressure-adjustable VSD negative pressure suction bottle convenient for drainage liquid transfer |
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| Publication number | Publication date |
|---|---|
| CN114533977B (en) | 2022-11-25 |
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