CN110613521B - Inhale saliva head and oral cavity flap repair postoperative with electronic saliva aspirator - Google Patents
Inhale saliva head and oral cavity flap repair postoperative with electronic saliva aspirator Download PDFInfo
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- CN110613521B CN110613521B CN201911005009.0A CN201911005009A CN110613521B CN 110613521 B CN110613521 B CN 110613521B CN 201911005009 A CN201911005009 A CN 201911005009A CN 110613521 B CN110613521 B CN 110613521B
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- 210000003296 saliva Anatomy 0.000 title claims abstract description 143
- 210000003128 head Anatomy 0.000 title claims abstract description 29
- 210000000214 mouth Anatomy 0.000 title claims abstract description 28
- 230000002980 postoperative effect Effects 0.000 title claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims abstract description 77
- 238000005213 imbibition Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 description 10
- 208000003445 Mouth Neoplasms Diseases 0.000 description 6
- 208000012987 lip and oral cavity carcinoma Diseases 0.000 description 6
- 238000005457 optimization Methods 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 238000012938 design process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000002200 mouth mucosa Anatomy 0.000 description 2
- 210000004877 mucosa Anatomy 0.000 description 2
- 230000028327 secretion Effects 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 201000010536 head and neck cancer Diseases 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000002406 microsurgery Methods 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
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Abstract
The invention relates to a saliva aspirator and an electric saliva aspirator used after an oral flap repairing operation. Inhale the saliva head and have N and be the saliva blade of inhaling of L shape, drive and inhale saliva blade pivoted pivot and be used for the extrusion imbibition layer's extrusion shell, oral cavity flap is restoreed postoperative and is had the saliva head with electronic saliva aspirator, the drive inhales the pivot of saliva head and carries out the motor of rotation, the holding rod that saliva operation was inhaled to negative pressure suction subassembly and patient's handheld, inhale the head end of saliva head setting at the holding rod, the motor sets up the inside at the holding rod, still be provided with the suction tube in the holding rod, the one end of suction tube and the suction hole connection of inhaling the saliva head, the other end and the negative pressure suction subassembly of suction tube are connected. The saliva sucker can suck saliva in the oral cavity through the sponge block which rotates continuously, and the saliva sucker can suck saliva at a hidden position in the oral cavity due to the fact that the sponge can deform at will, and can achieve high cleanness of the saliva in the oral cavity.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a saliva aspirator and an electric saliva aspirator used after an oral flap repairing operation.
Background
Oral cancer is a common malignant tumor of the head and neck, and the main treatment method is surgical treatment. However, the oral cancer surgery usually causes huge defects to the oral and maxillofacial regions of the patient, and therefore, after the oral cancer surgery is completed, a repair and reconstruction operation needs to be performed on the patient immediately to close the surgical wound of the previous surgery, so as to achieve first-stage healing, and simultaneously, the oral function and the oral and maxillofacial shape of the patient are recovered to the maximum extent. With the continuous development of free skin flap transplantation technology and microsurgery technology, at present, the most common repair and reconstruction means is to transplant various free skin flaps to repair the oral, maxillofacial defects of oral cancer patients. After repairing the oral cavity and jaw face of a patient with oral cancer by using a free flap, the tongue body of most of the patients is limited in movement, the resistance is reduced, oral secretions, mainly saliva, are increased, and are gathered around the flap, particularly at the lower end of the flap, namely a local saliva gathering area is formed at the lower end of the flap. When saliva is gathered in the saliva gathering area for a long time, bacteria are easy to breed, and then transplanted skin flaps soaked in the saliva for a long time are infected, even the transplanted skin flaps are necrotic due to infection, skin flap leakage is caused, and the operation treatment effect of oral cancer patients and the repair effect of oral cavity, jaw and face are affected.
In order to avoid the influence of the effusion in the mouth on the surgical treatment effect of the department of stomatology and the repair effect of the oral cavity and the maxillofacial region, medical staff usually uses a conventional bedside aspirator to intermittently suck out the secretion such as saliva in the mouth of a patient. Thus, although the problem of fluid accumulation in the mouth of a patient can be solved to some extent, the following problems still exist: 1. the single suction port is easy to be blocked, so that the suction process is interrupted; 2. in order to ensure the suction effect, the single suction port has higher suction pressure and is easy to damage the mucosa of the wound cavity, so that effusion in the mouth of a patient is caused to cause the leakage around the flap, the healing of the flap is influenced, and the mucosa of the oral cavity is easy to damage; 3. because the suction of the suction port is limited, the effusion stuck on the oral mucosa can not be sucked almost, and the effusion in the oral cavity can not be sucked thoroughly.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the electric saliva sucker for the operation of saliva sucking and oral flap repair, which replaces the sucking mode of a sucking port in the prior art with a soaking mode, not only can effectively protect oral mucosa, but also can thoroughly and thoroughly suck the effusion in the oral cavity of a enemy patient.
In order to solve the technical problems, the invention provides the following technical scheme: a saliva suction head having:
n saliva suction blades in an L shape are formed by a neck rod and arc-shaped blades, and liquid suction layers are arranged on the outer arc surfaces of the arc-shaped blades;
the rotating shaft drives the saliva sucking blades to rotate, the N saliva sucking blades are uniformly distributed along the circumferential direction of the rotating shaft, the saliva sucking blades are connected with the rotating shaft through a neck rod, and the neck rod and the rotating shaft are arranged vertically;
a extrusion shell for extruding imbibition layer, extrusion shell have can supply the extrusion chamber that the saliva leaf passed at the rotation in-process, and have seted up a plurality of negative pressure suction holes on the chamber wall that extrusion chamber and imbibition layer contacted.
As a further optimization of the saliva sucking head of the invention: n is 3, 6 or 9.
As a further optimization of the saliva sucking head of the invention: the liquid absorbing layer is made of sponge.
As a further optimization of the saliva sucking head of the invention: the imbibition layer comprises a plurality of sponge blocks, all has the clearance between the adjacent sponge block.
As a further optimization of the saliva sucking head of the invention: the extrusion shell comprises a U-shaped extrusion nozzle and a guide rod 3-5, the U-shaped extrusion nozzle is composed of an upper arm, a lower arm and a side arm, an extrusion cavity is formed between the upper arm and the lower arm, an opening of the U-shaped extrusion nozzle faces towards the saliva suction blade, the extrusion cavity is located on a rotation path of the arc-shaped blade, the arc-shaped blade can penetrate through the extrusion cavity in the rotation process, and a plurality of negative pressure suction holes are formed in the inner surface of the upper arm of the U-shaped extrusion nozzle.
As a further optimization of the saliva sucking head of the invention: the side arm is also provided with a drainage port, and the drainage port and the negative pressure suction hole are connected with a negative pressure source.
An electric saliva aspirator for use after an oral flap repair operation, comprising:
a saliva sucking head;
a motor for driving the rotating shaft of the saliva sucking head to rotate;
a negative pressure suction assembly;
the handheld holding rod that inhales the saliva operation of patient, the head end of inhaling the saliva setting at the holding rod, the motor setting still is provided with in the holding rod and attracts the pipe in the inside of holding rod, attracts the one end of pipe and the vacuum suction pore connection who inhales the saliva head, attracts the other end and the vacuum suction subassembly of pipe to be connected.
The electric saliva aspirator used after the oral flap repair operation is further optimized as follows: the extrusion shell comprises a U-shaped extrusion nozzle and a flow guide rod 3-5, the U-shaped extrusion nozzle is composed of an upper arm, a lower arm and a side arm, an extrusion cavity is formed between the upper arm and the lower arm, the extrusion cavity of the U-shaped extrusion nozzle is located on a rotation path of the arc-shaped blades, the arc-shaped blades can penetrate through the extrusion cavity in the rotation process, a plurality of negative pressure suction holes are formed in the inner surface of the upper arm of the U-shaped extrusion nozzle, a drainage port is further formed in the side arm of the U-shaped extrusion nozzle, and the drainage port and the negative pressure suction holes are connected with a.
The electric saliva aspirator used after the oral flap repair operation is further optimized as follows: the motor is embedded at the front end of the holding rod, the extrusion shell is connected with the outer wall of the holding rod through the flow guide rod 3-5, and the drainage port and the negative pressure suction hole are connected with the suction tube of the holding rod through the internal channel of the flow guide rod 3-5.
The electric saliva aspirator used after the oral flap repair operation is further optimized as follows: the size of the extrusion cavity is gradually reduced from the inlet of the arc-shaped blade to the outlet of the arc-shaped blade.
Advantageous effects
The saliva sucking head can suck saliva in the oral cavity through the sponge block which rotates continuously, the sponge can deform at will and can suck saliva at a hidden position in the oral cavity, high cleanness of the saliva in the oral cavity can be realized, and the saliva sucked by the sponge is extruded out of the sponge in the extrusion shell and sucked out through the negative pressure suction holes, so that the saliva is sucked continuously;
secondly, the shape of the electric saliva aspirator is similar to that of a toothbrush which is commonly used in life, and the electric saliva aspirator is convenient to use, flexible to control and convenient to popularize and use in the market.
Drawings
FIG. 1 is a schematic view showing the structure of a saliva sucking head in example 1;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view showing the structure of an extruded shell in example 1;
FIG. 4 is a schematic view showing the construction of the saliva sucking head in a pressed state according to example 1;
FIG. 5 is a schematic view showing an external structure of an electric saliva aspirator of example 4;
FIG. 6 is a schematic view showing the structure of an extruded shell in example 3;
FIG. 7 is a schematic view showing the arrangement of negative pressure suction holes of the saliva sucking head in example 1;
FIG. 8 is a schematic view showing the internal structure of the electric saliva aspirator of example 4;
the labels in the figure are: 1. saliva suction blades, 2 parts of a rotating shaft, 3 parts of an extrusion shell, 4 parts of a negative pressure suction hole, 5 parts of a drainage port, 6 parts of a motor, 7 parts of a holding rod, 8 parts of a suction tube, 1-1 part of a neck rod, 1-2 parts of an arc-shaped blade, 1-3 parts of a sponge block, 3-1 part of an upper arm, 3-2 parts of a lower arm, 3-3 parts of a side arm, 3-4 parts of a baffle, 3-5 parts of a guide rod.
Detailed Description
The following detailed description of the preferred embodiments will be made with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4: a saliva suction head is provided with 6L-shaped saliva suction blades 1, a rotating shaft 2 for driving the saliva suction blades 1 to rotate and an extrusion shell 3 for extruding a liquid suction layer, wherein each saliva suction blade 1 is composed of a neck rod 1-1 and arc-shaped blades 1-2, the liquid suction layer is arranged on the outer arc surface of each arc-shaped blade 1-2 and is composed of a plurality of sponge blocks 1-3, gaps are formed between every two adjacent sponge blocks 1-3, the extrusion efficiency of saliva can be improved in the subsequent extrusion process through the sponge blocks 1-3 arranged in a partitioning mode, and saliva extruded from the sponge blocks 1-3 can flow rapidly along the gaps between the sponge blocks 1-3.
6 inhale saliva blade 1 along 2 circumferencial directions evenly distributed of pivot, be similar to the flabellum distribution mode of fan, inhale saliva blade 1 and be connected with pivot 2 through neck 1-1, mutually perpendicular sets up between neck 1-1 and the pivot 2. The number of the saliva sucking blades 1 is related to the size and can be specifically selected in the actual design and production process. The 6 saliva sucking blades 1 can realize alternate saliva sucking and extrusion.
The extrusion shell 3 comprises a U-shaped extrusion nozzle and a guide rod 3-5, the U-shaped extrusion nozzle is composed of an upper arm 3-1, a lower arm 3-2 and a side arm 3-3, an extrusion cavity is formed between the upper arm 3-1 and the lower arm 3-2, the opening of the U-shaped extrusion nozzle faces the saliva suction blade 1, the extrusion cavity is positioned on the rotating path of the arc blade 1-2, the arc blade 1-2 can pass through the extrusion cavity in the rotating process, it needs to be noted that the height of the extrusion cavity is lower than the height of the arc blade 1-2 and a sponge block 1-3, so that the extrusion effect can be achieved, the specific size and data can be determined in the final product design, the inner surface of the upper arm 3-1 of the U-shaped extrusion nozzle is provided with a plurality of negative pressure suction holes 4, the upper arm 3-1 is of a hollow structure, and the upper arm 3-1 is provided with a negative pressure interface, the side arm 3-3 is also provided with a drainage port 5, the side arm 3-3 is of a hollow structure, the side arm 3-3 is provided with a negative pressure interface for being in butt joint with a negative pressure source, the drainage port 5 and the negative pressure suction hole 4 are connected with the negative pressure source through pipelines, the negative pressure suction hole 4 is used for sucking saliva extruded by the sponge block 1-3 at the first time, and the saliva which is not sucked can be sucked through the drainage hole 5, and the structure is provided with a double saliva suction function for ensuring the best saliva suction effect.
In order to prevent saliva from flowing out of the pressing shell 3 via other locations as far as possible, a stop 3-4 is provided on the side of the pressing shell 3 opposite the side wall 3-3, which stop 3-4 can close off this side as far as possible, leaving only a gap through which the neck 1-1 passes, so that saliva is prevented from flowing out of the pressing shell 3 from this point during the pressing of the sponge mass to the greatest extent possible.
Example 2
The saliva sucking head of this example is substantially the same as that of example 1, except that: as shown in figure 6, the size of the extrusion cavity is gradually reduced from the inlet of the arc-shaped blade 1-2 to the outlet of the arc-shaped blade 1-2, the size of the inlet section of the arc-shaped blade 1-2 can meet the requirement that the sponge block 1-3 cannot be extruded, the structural design can prevent the sponge block 1-3 from being extruded at the inlet, extruded saliva is directly returned to the oral cavity, when the sponge block 1-3 enters the inlet section of the arc-shaped blade 1-2, the saliva cannot be extruded, and is slowly extruded along with continuous depth, the extrusion amount of the saliva is more linear, and therefore the saliva can be further prevented from flowing out of the extrusion shell 3.
Example 3
As shown in fig. 5: an electric saliva aspirator used after an oral flap repairing operation comprises a saliva aspirator, a motor 6 for driving a rotating shaft 2 of the saliva aspirator to rotate, a holding rod 7 for a patient to hold to aspirate saliva and a negative pressure aspirating assembly.
The saliva suction head is arranged at the head end of the holding rod 7 and provided with 6L-shaped saliva suction blades 1, a rotating shaft 2 for driving the saliva suction blades 1 to rotate and an extrusion shell 3 for extruding a liquid suction layer, each saliva suction blade 1 is composed of a neck rod 1-1 and an arc-shaped blade 1-2, the liquid suction layer is arranged on the outer arc surface of each arc-shaped blade 1-2 and composed of a plurality of sponge blocks 1-3, gaps are formed between every two adjacent sponge blocks 1-3, the extrusion efficiency of saliva can be improved in the subsequent extrusion process through the sponge blocks 1-3 arranged in a partitioning mode, and saliva extruded from the sponge blocks 1-3 can flow rapidly along the gaps between the sponge blocks 1-3. 6 inhale saliva blade 1 along 2 circumferencial directions evenly distributed of pivot, be similar to the flabellum distribution mode of fan, inhale saliva blade 1 and be connected with pivot 2 through neck 1-1, mutually perpendicular sets up between neck 1-1 and the pivot 2. The number of the saliva sucking blades 1 is related to the size and can be specifically selected in the actual design and production process. The extrusion shell 3 comprises a U-shaped extrusion nozzle and a diversion rod 3-5, the U-shaped extrusion nozzle is composed of an upper arm 3-1, a lower arm 3-2 and a side arm 3-3, an extrusion cavity is formed between the upper arm 3-1 and the lower arm 3-2, the opening of the U-shaped extrusion nozzle faces the saliva suction blade 1, the extrusion cavity is positioned on the rotating path of the arc blade 1-2, the arc blade 1-2 can pass through the extrusion cavity in the rotating process, it needs to be stated that the height of the extrusion cavity is lower than the height of the arc blade 1-2 and the sponge block 1-3, so that the extrusion effect can be achieved, the specific size and data can be determined in the final product design, the inner surface of the upper arm 3-1 of the U-shaped extrusion nozzle is provided with a plurality of negative pressure suction holes 4, the side arm 3-3 is also provided with a drainage port 5, the drainage port 5 and the negative pressure suction hole 4 are connected with a negative pressure source, the negative pressure suction hole 4 is used for sucking saliva squeezed out of the sponge blocks 1-3 at the first time, saliva which is not sucked can be sucked through the drainage hole 5, and the structure of the negative pressure suction hole is provided with a double saliva suction function for ensuring the best saliva suction effect.
The motor 6 sets up in the inside of holding rod 7, and its output shaft is connected with 2 transmissions of pivot, and motor 6 needs to choose for use slow motor or reach the rotatory output of slow speed through other current means, and motor 6's drive is through setting up the battery power supply in holding rod 7 inside, also can supply power through external power source's mode, and the power supply is supplied power with power cord and external power source switch-on when using.
The squeezing shell 3 is connected with the outer wall of the holding rod 7 through the guide rods 3-5, the holding rod 7 is internally provided with a suction tube 8, one end of the suction tube 8 is connected with the negative pressure suction hole 4 and the drainage port 5 of the saliva suction head, the other end of the suction tube 8 is connected with a negative pressure suction assembly, the negative pressure suction assembly is common equipment in the prior art, mainly provides negative pressure suction power and collects suction objects, relatively suitable equipment can be selected in the existing negative pressure suction equipment, and detailed description is omitted. Saliva sucked through the negative pressure suction holes 4 and the drainage port 5 is drawn out from the suction tube 8 to the outside of the oral cavity and collected.
Still be provided with the switch at the outer wall of holding rod 7, can control electronic saliva aspirator through the switch, holding rod 7 can be connected with the negative pressure suction subassembly through the mode of connecing soon, and the suction head of negative pressure suction subassembly can be established at the 7 afterbody of holding rod in order to realize the intercommunication that attracts the pipeline soon, carries out the absorption of saliva, and the back of finishing using is unscrewed both and can be separated and place alone.
The working principle of the electric saliva aspirator in this embodiment is shown in fig. 8: inhale the saliva blade and constantly rotate the in-process, utilize the imbibition layer on its surface to absorb the saliva in the oral cavity to in rotatory in-process gets into the extrusion shell, extrude the imbibition layer, the saliva that extrudes from the imbibition layer is partly to suck away through the negative pressure on the extrusion shell upper arm and attracts the hole, and partly drainage hole through on the extrusion shell sucks away, and the saliva that negative pressure attracts hole and drainage hole to suck away passes through pipe connection to and attracts the pipe, and inhales among the collection liquid device via attracting the pipe.
Example 4
The electric saliva aspirator of this example is substantially the same as that of example 3 except that: saliva flows out of the squeezing shell 3 through other parts, a baffle 3-4 is arranged on one side of the squeezing shell 3 opposite to the side arm 3-3, the baffle 3-4 can close the side as much as possible and only a gap through which the neck 1-1 passes is left, so that the saliva can be prevented from flowing out of the squeezing shell 3 from the gap to the greatest extent during the squeezing process of the sponge block.
Example 5
The electric saliva aspirator of this example is substantially the same as that of example 3 except that: the size of the extrusion cavity is gradually reduced from the inlet of the arc-shaped blade 1-2 to the outlet of the arc-shaped blade 1-2, the size of the inlet section of the arc-shaped blade 1-2 can meet the requirement that the sponge block 1-3 cannot be extruded, the structural design can prevent the sponge block 1-3 from being extruded at the inlet, extruded saliva is caused to directly flow back to the oral cavity, when the sponge block 1-3 enters the inlet section of the arc-shaped blade 1-2, the saliva cannot be extruded, and is slowly extruded along with continuous penetration, so that the extrusion amount of the saliva is more linear, the saliva can be further prevented from flowing out of the extrusion shell 3, and the negative pressure suction hole 4 can not be arranged on the large-diameter part of the inlet.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A saliva suction head, which is characterized in that: comprising:
n saliva suction blades in an L shape are formed by a neck rod and arc-shaped blades, and liquid suction layers are arranged on the outer arc surfaces of the arc-shaped blades;
the rotating shaft drives the saliva sucking blades to rotate, the N saliva sucking blades are uniformly distributed along the circumferential direction of the rotating shaft, the saliva sucking blades are connected with the rotating shaft through a neck rod, and the neck rod and the rotating shaft are arranged vertically;
the extrusion shell is used for extruding the liquid absorbing layer and is provided with an extrusion cavity through which the saliva absorbing blade can pass in the rotating process, and a plurality of negative pressure suction holes are formed in the cavity wall of the extrusion cavity, which is in contact with the liquid absorbing layer;
the extrusion shell includes U-shaped extrusion mouth and water conservancy diversion pole, and the U-shaped extrusion mouth comprises upper arm, underarm and side arm, forms the extrusion chamber between upper arm and the underarm, and the opening orientation of U-shaped extrusion mouth inhales the saliva blade setting, and its extrusion chamber is located arc blade's rotation route, and arc blade can pass the extrusion chamber at the rotation in-process, and the upper arm internal surface of U-shaped extrusion mouth is provided with a plurality of negative pressure suction holes.
2. A saliva ejector according to claim 1, wherein: n is 3, 6 or 9.
3. A saliva ejector according to claim 1, wherein: the liquid absorbing layer is made of sponge.
4. A saliva suction head according to claim 3, characterized in that: the imbibition layer comprises a plurality of sponge blocks, all has the clearance between the adjacent sponge block.
5. A saliva ejector according to claim 1, wherein: the side arm is also provided with a drainage port, and the drainage port and the negative pressure suction hole are connected with a negative pressure source.
6. The utility model provides an oral cavity flap is restoreed postoperative and is inhaled saliva ware with electricity which characterized in that: comprising:
a saliva ejector according to claim 1;
a motor for driving the rotating shaft of the saliva sucking head to rotate;
a negative pressure suction assembly;
the handheld holding rod that inhales the saliva operation of patient, the head end of inhaling the saliva setting at the holding rod, the motor setting still is provided with in the holding rod and attracts the pipe in the inside of holding rod, attracts the one end of pipe and the vacuum suction pore connection who inhales the saliva head, attracts the other end and the vacuum suction subassembly of pipe to be connected.
7. The electric saliva aspirator for after-operation of an oral flap prosthesis according to claim 6, wherein: the side arm of the U-shaped extrusion nozzle is also provided with a drainage port, and the drainage port and the negative pressure suction hole are both connected with a negative pressure source.
8. The electric saliva aspirator for after-operation of an oral flap prosthesis according to claim 7, wherein: the motor is embedded at the front end of the holding rod, the extrusion shell is connected with the outer wall of the holding rod through the flow guide rod, and the drainage port and the negative pressure suction hole are connected with the suction tube of the holding rod through the inner channel of the flow guide rod.
9. The electric saliva aspirator for after-operation of an oral flap prosthesis according to claim 6, wherein: the size of the extrusion cavity is gradually reduced from the inlet of the arc-shaped blade to the outlet of the arc-shaped blade.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911005009.0A CN110613521B (en) | 2019-10-22 | 2019-10-22 | Inhale saliva head and oral cavity flap repair postoperative with electronic saliva aspirator |
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| CN201911005009.0A CN110613521B (en) | 2019-10-22 | 2019-10-22 | Inhale saliva head and oral cavity flap repair postoperative with electronic saliva aspirator |
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| CN110613521B true CN110613521B (en) | 2021-05-11 |
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| CN112426305B (en) * | 2020-10-12 | 2021-08-24 | 河南科技大学第一附属医院 | Rehabilitation device after skin grafting of plastic surgery |
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| CN110613521A (en) | 2019-12-27 |
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