CN111803205A - Multifunctional operation dissector - Google Patents
Multifunctional operation dissector Download PDFInfo
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- CN111803205A CN111803205A CN202010896461.7A CN202010896461A CN111803205A CN 111803205 A CN111803205 A CN 111803205A CN 202010896461 A CN202010896461 A CN 202010896461A CN 111803205 A CN111803205 A CN 111803205A
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- negative pressure
- pipe
- liquid discharge
- discharge pipe
- piston
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1412—Blade
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/007—Aspiration
Abstract
The invention relates to the field of medical instruments, in particular to a multifunctional surgical dissector. The electric shaver comprises a handle and an electric shaver head, wherein a negative pressure pipe is arranged on the handle, and a negative pressure port is arranged at one end of the handle close to the electric shaver head; the negative pressure port is connected with a negative pressure suction unit, the negative pressure suction unit comprises a negative pressure barrel, a piston and a driving piece, the piston is positioned in the negative pressure barrel, a negative pressure cavity is formed between the piston and the bottom of the negative pressure barrel, an inlet is formed in the side wall of the negative pressure cavity and connected with a liquid discharge pipe, a valve is fixed on the side wall of the negative pressure barrel, the negative pressure pipe is communicated with the inlet, a first sealing plate is hinged in the liquid discharge pipe, and a first torsion spring is arranged between the liquid discharge pipe and; an elastic ball is fixed at the bottom of the piston, and the diameter of the elastic ball is larger than the inner diameter of the liquid discharge pipe; the lateral wall of the liquid discharge pipe is connected with an exhaust pipe, a second sealing plate is hinged in the exhaust pipe, and a second torsion spring is arranged between the exhaust pipe and the second sealing plate. The multifunctional surgical dissector can attract smoke so as to avoid the damage of the smoke and the formed aerosol to the health of medical personnel.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a multifunctional surgical dissector.
Background
At present, an electric knife or a tungsten needle is usually used for performing an operation, the electric knife can adjust the power, the application range is wider, but the knife head is thick and large, and is not suitable for performing a fine operation; tungsten needles are used for delicate surgery, but the purchase cost is high, resulting in a substantial increase in the cost of the surgery. And the electric knife has the effect of reducing bleeding and is widely applied. For example, patent with application number CN201120536833.1 discloses an electric knife, which comprises a handle, a knife body, a conductive rod, an electric knife holder, an electric knife head and a power socket, wherein the handle is fixed at the tail end of the knife body, the electric knife holder is fixed at the front end of the knife body, and the power socket is fixed at the tail end of the handle; the cutter body is hollow, the conducting rod penetrates through the interior of the cutter body, one end of the conducting rod is fixed with the electric cutter seat, and the other end of the conducting rod penetrates through the handle and is fixed with the power socket; the electric knife head is fixed with the electric knife seat; the end of the handle is sleeved with a sealing cap, and the power socket penetrates through the sealing cap. During operation, the electric knife head can be communicated with a power supply, so that blood seepage is reduced during the working process of the electric knife.
However, when a wound is caused, blood or effusion still seeps out of the wound, and a negative pressure device is usually adopted to suck the blood and the effusion at present, so that the blockage of the sight of a doctor is avoided. However, since the negative pressure device usually obstructs the operation of the doctor when it is used, suction is usually performed after the wound is formed, and suction cannot be performed during the wound forming process.
In addition, smoke can be formed by the electrotome when the electrotome is used, so that aerosol is formed when the electrotome works and is diffused in the air when the electrotome is used for sucking after a wound is formed, so that negative pressure equipment cannot suck the formed smoke and the aerosol, and the aerosol is easy to threaten the health of medical staff after being sucked by the medical staff.
Disclosure of Invention
The invention aims to provide a multifunctional surgical dissector capable of sucking smoke so as to avoid damage of the smoke and formed aerosol to the health of medical staff.
In order to achieve the purpose, the invention adopts the following technical scheme: the multifunctional surgical dissector comprises a handle and an electric scalpel head, wherein the electric scalpel head is detachably connected with one end of the handle, a negative pressure pipe is arranged on the handle, and a negative pressure port communicated with the negative pressure pipe is arranged at one end, close to the electric scalpel head, of the handle; the negative pressure port is connected with a negative pressure suction unit, the negative pressure suction unit comprises a negative pressure barrel, a piston and a driving piece, the piston is positioned in the negative pressure barrel and is in sliding seal with the negative pressure barrel, the driving piece is used for driving the piston to slide, a negative pressure cavity is formed between the piston and the bottom of the negative pressure barrel, the side wall of the negative pressure cavity is provided with a closable inlet and is connected with a liquid discharge pipe, the side wall of the negative pressure barrel is fixedly provided with a valve for closing the inlet, the negative pressure pipe is communicated with the inlet, a first sealing plate for closing the liquid discharge pipe is hinged in the liquid discharge pipe, and a; the bottom of the piston is fixed with an elastic ball which can generate elastic deformation, and the diameter of the elastic ball is larger than the inner diameter of the liquid discharge pipe; the lateral wall of the liquid discharge pipe is connected with an exhaust pipe, a second sealing plate used for sealing the exhaust pipe is hinged in the exhaust pipe, a second torsion spring is arranged between the exhaust pipe and the second sealing plate, and the rigidity of the second torsion spring is larger than that of the first torsion spring.
The beneficial effect of this scheme does:
1. piston in this scheme can make the negative pressure intracavity form the negative pressure when upwards sliding to accessible negative pressure mouth and negative pressure pipe inhale the negative pressure intracavity with the gas that blood, hydrops and electrotome during operation formed, can avoid too much hydrops to cause the hindrance to doctor's sight on the one hand, on the other hand still can inhale the gas before the gas diffusion that produces and inhale to the negative pressure intracavity and store, avoid medical staff to inhale the aerogel that the gas formed, avoid medical staff's health to receive the harm.
2. Negative pressure chamber in this scheme can store gas and liquid, and moreover under the action of gravity, liquid is located the bottom in negative pressure chamber, and gas is located the top of liquid, so when opening first shrouding, liquid is followed the fluid-discharge tube earlier and is discharged. After the elastic ball slides downwards into the liquid discharge pipe, the liquid discharge pipe can be sealed, so that the gas above the elastic ball can only be discharged from the gas discharge pipe, and all the gas is prevented from being mixed in the liquid and discharged into the same processing container. Because the sterilization mode of gas is different with the sterilization mode of liquid, discharge gas and liquid respectively in this scheme more be favorable to disinfecting respectively.
3. When discharging liquid, the elastic ball can slide down to the interior of the liquid discharge pipe, and the diameter of the elastic ball is greater than the inner diameter of the liquid discharge pipe, so that the elastic ball can be in contact with the inner wall of the liquid discharge pipe, blood attached to the inner wall of the liquid discharge pipe can be pushed downwards, and the phenomenon that the blood is solidified after being attached to the inner wall of the liquid discharge pipe for a long time, so that the liquid discharge pipe is blocked and the liquid discharge effect cannot be played any more is avoided.
Further, a reagent tube communicated with the negative pressure tube is arranged in the handle, a reagent cavity is arranged in the elastic ball, the reagent cavity is communicated with a first one-way valve for one-way liquid inlet and a second one-way valve for one-way liquid outlet, and the second one-way valve is communicated with the reagent tube.
The beneficial effect of this scheme does: the reagent intracavity can store anticoagulant's reagent, and when the elastic ball slided into the flowing back intraductal, the elastic ball received great squeezing action, and the reagent of reagent intracavity can be followed the reagent pipe and is gone into in the negative pressure pipe. When the negative pressure cavity sucks blood again, the reagent in the negative pressure tube can flow into the negative pressure cavity along the negative pressure tube, and contacts with the residual blood in the negative pressure tube and the blood sucked into the negative pressure cavity in the flowing process, so that the blood coagulation in the negative pressure tube and the negative pressure cavity is avoided to form blood clots, and the blood clots are prevented from blocking the negative pressure tube and cannot be discharged from the negative pressure cavity.
Further, the negative pressure pipe and the reagent pipe are communicated and are positioned on one side of the negative pressure pipe, which is far away from the electric knife head, and the volume of a pipeline between the negative pressure pipe and the reagent pipe and the negative pressure port is larger than that of the reagent cavity.
The beneficial effect of this scheme does: reagent that the reagent intracavity in this scheme was stored is less, receives the extrusion when the elastic ball, and the reagent that gets into in the negative pressure pipe is less, can avoid too much reagent to get into and flow from the negative pressure mouth behind the negative pressure pipe, avoids reagent to drip to cause extravagant or drip to the patient health, causes adverse effect to the patient.
In addition, the reagent pipe in this scheme is located the negative pressure pipe and keeps away from the one side of electric tool bit with the intercommunication department of negative pressure pipe, because the valve on the negative pressure pipe is closed, the reagent that gets into in the negative pressure pipe flows to negative pressure mouth one side along the negative pressure pipe earlier, with the blood contact that is located the pipeline between negative pressure mouth and the reagent pipe, avoids adnexed blood to solidify, further avoids the pipeline between negative pressure mouth and the reagent pipe to be blockked up.
Further, the thickness of the reagent chamber is greater than 1/3 which is the radius of the elastic sphere.
The beneficial effect of this scheme does: the thickness in reagent chamber is great, needs great squeezing action just to make the reagent discharge in the reagent chamber, avoids making reagent flow when the piston slides down to reduce the time that reagent stored in the negative pressure pipe, avoid reagent because of receiving great shake and follow the negative pressure mouth spill, further avoid causing adverse effect to the patient.
Furthermore, the lower end of the negative pressure barrel is funnel-shaped.
The beneficial effect of this scheme does: the funnel-shaped structure at the lower part of the negative pressure barrel can play a role in guiding the flowing of liquid, so that the liquid is promoted to flow to one side close to the liquid discharge pipe, and the residue is reduced.
Furthermore, a convex block is vertically fixed at the bottom of the piston, and the elastic ball is arranged on the convex block.
The beneficial effect of this scheme does: the elastic ball in the scheme has a certain distance with the piston, so that the elastic ball can slide into the exhaust pipe.
Furthermore, the lug is coaxial with the liquid discharge pipe, and the diameter of the lug is smaller than or equal to the inner diameter of the liquid discharge pipe.
The beneficial effect of this scheme does: the convex block is opposite to the liquid discharge pipe, and the elastic ball fixed on the convex block is also opposite to the liquid discharge pipe, so that the elastic ball can slide into the liquid discharge pipe.
Furthermore, elastic sealing sleeves are sleeved on the first sealing plates, one ends of the sealing sleeves facing the first torsion springs are provided with mouth parts, and the edges of the mouth parts are fixed on the inner wall of the liquid discharge pipe.
The beneficial effect of this scheme does: the seal cover in this scheme can play confined effect to the gap between first torsion spring and first shrouding and the drain pipe inner wall, improves the sealed effect of first shrouding.
Furthermore, a plurality of bulges are fixed on the surface of the elastic ball.
The beneficial effect of this scheme does: when the elastic ball slides downwards along the liquid discharge pipe, the protrusion can slide along the inner wall of the liquid discharge pipe, blood or blood clots attached to the inner wall of the liquid discharge pipe can be pushed downwards, and the liquid discharge pipe is further prevented from being left.
Further, the valve is an electromagnetic valve.
The beneficial effect of this scheme does: the opening and closing of the valve in the scheme is more convenient.
Drawings
FIG. 1 is a partial sectional view of a handle in embodiment 1 of the present invention;
fig. 2 is a front vertical sectional view of a negative pressure tank in embodiment 2 of the present invention;
FIG. 3 is a front vertical cross-sectional view of the negative pressure barrel of FIG. 2 after the piston slides down;
FIG. 4 is a partial sectional view of a handle in embodiment 2 of the present invention;
fig. 5 is a front vertical sectional view of a negative pressure tank in embodiment 2 of the present invention;
fig. 6 is a partial sectional view of a negative pressure tank in embodiment 3 of the present invention;
fig. 7 is an enlarged view of a portion a in fig. 6.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a handle 1, an electric scalpel head 11, a negative pressure tube 12, a reagent tube 13, a negative pressure barrel 2, a negative pressure cavity 21, a first air pump 22, a second air pump 23, a piston 3, a bump 31, an elastic ball 4, a reagent cavity 41, a first one-way valve 42, a second one-way valve 43, a protrusion 44, a liquid discharge tube 5, a first sealing plate 51, a sealing sleeve 52, an exhaust tube 6 and a second sealing plate 61.
Example 1
A multifunctional surgical dissector, as shown in fig. 1, 2 and 3, comprises a handle 1 and an electric knife head 11, wherein the electric knife head 11 is connected with the left end of the handle 1 through screw threads. A negative pressure pipe 12 is transversely arranged in the handle 1, a negative pressure port is arranged at the left end of the handle 1, the left end of the negative pressure pipe 12 is aligned with the negative pressure port, and a negative pressure suction unit is connected at the right end of the negative pressure pipe 12.
The negative pressure suction unit comprises a negative pressure barrel 2, a piston 3 and a driving piece, wherein the piston 3 is positioned in the negative pressure barrel 2 and is in sliding seal with the negative pressure barrel 2, the driving piece is fixed at the top of the negative pressure barrel 2 through a bolt, the driving piece in the embodiment comprises a first air pump 22 and a second air pump 23, and the air inlet end of the first air pump 22 and the air outlet end of the second air pump 23 are both communicated with the top of the negative pressure barrel 2. In practical implementation, the driving part can also adopt a hydraulic cylinder, a push rod of the hydraulic cylinder penetrates through the top of the negative pressure barrel 2 and is connected with the piston 3, and the piston 3 is driven to slide up and down by the push rod of the hydraulic cylinder.
Piston 3 forms negative pressure chamber 21 before the bottom of negative pressure bucket 2, and the lower extreme in negative pressure chamber 21 is equipped with the entry, and the right-hand member of negative pressure pipe 12 passes through the pipeline and the entry intercommunication, and the pipeline that communicates with the entry is close to the one end of entry and installs the valve, and is concrete, and the valve in this embodiment adopts the solenoid valve, and the mounting means of solenoid valve is the same with prior art, no longer has repeated in this embodiment.
The bottom of negative pressure bucket 2 is vertical to be equipped with fluid-discharge tube 5, and fluid-discharge tube 5 runs through negative pressure bucket 2 bottoms with 2 coaxial just the 5 upper ends of fluid-discharge tube of negative pressure bucket, the upper end of fluid-discharge tube 5 and the bottom threaded connection of negative pressure bucket 2. A first sealing plate 51 is hinged in the liquid discharge pipe 5, and a first torsion spring is arranged between the first sealing plate 51 and the inner wall of the liquid discharge pipe 5. The lateral wall of the liquid discharge pipe 5 is communicated with an exhaust pipe 6, the right end of the exhaust pipe 6 is glued on the liquid discharge pipe 5, and the right end of the exhaust pipe 6 is positioned above the first sealing plate 51. Have second shrouding 61 in the blast pipe 6 is articulated, is equipped with the second torsional spring between second shrouding 61 and the 6 inner walls of blast pipe, and second shrouding 61 is located the right-hand member of blast pipe 6, and the rigidity of second torsional spring is greater than the rigidity of first torsional spring, so needs bigger effort just can promote the rotation of second shrouding 61.
The bottom of the piston 3 is integrally formed with a convex block 31, the convex block 31 is coaxial with the piston 3 and the liquid discharge pipe 5, the diameter of the convex block 31 is smaller than the inner diameter of the liquid discharge pipe 5, the bottom of the convex block 31 is glued with an elastic ball 4 positioned above the liquid discharge pipe 5, the elastic ball 4 in the embodiment is made of medical rubber, and the diameter of the elastic ball 4 is larger than the inner diameter of the liquid discharge pipe 5.
The specific implementation process is as follows:
initially, the piston 3 is located at the bottom of the negative pressure chamber 21. When blood or effusion needs to be cleared away, the valve is manually opened and the first air pump 22 is started, the first air pump 22 discharges air above the piston 3, negative pressure is formed above the piston 3, so that the piston 3 slides upwards, the space of the negative pressure cavity 21 is enlarged, negative pressure is formed in the negative pressure cavity 21 and the negative pressure pipe 12 communicated with the negative pressure cavity 21, and smoke and gas generated when the blood and the electrotome head 11 work are sucked into the negative pressure cavity 21 through the negative pressure pipe 12 to be stored. When more blood is absorbed, the first air pump 22 can be manually closed, at which time the piston 3 stops moving and the negative pressure tube 12 no longer sucks in blood and gas, etc.
Then the valve is manually closed and the second air pump 23 is started, the second air pump 23 pumps air to the upper side of the piston 3, so that the pressure above the piston 3 is increased, the piston 3 is enabled to slide downwards, at the moment, the space of the negative pressure cavity 21 is reduced, the pressure in the negative pressure cavity 21 is increased, the pressure applied to the first sealing plate 51 and the second sealing plate 61 is gradually increased, when the pressure applied to the first sealing plate 51 overcomes the acting force of the first torsion spring, the first sealing plate 51 rotates, and the liquid discharge pipe 5 is opened. However, there is a time difference between the closing of the first air pump 22 and the opening of the first closing plate 51, during which time the liquid in the negative pressure chamber 21 is accumulated at the bottom of the negative pressure chamber 21 by gravity and the gas is accumulated at the upper end of the negative pressure chamber 21, so that the liquid in the negative pressure chamber 21 is discharged from the drain pipe 5 after the first closing plate 51 is opened. In actual use, the drain pipe 5 and the exhaust pipe 6 are respectively connected to a device for treating liquid and gas, and the liquid in the negative pressure chamber 21 is directly discharged into the device for treating liquid.
When the elastic ball 4 slides into the drain pipe 5, the drain pipe 5 is closed, but the space in the negative pressure chamber 21 is further reduced and the pressure in the negative pressure chamber 21 is further increased. After the elastic ball 4 slides to the lower part of the exhaust pipe 6, the acting force of the further increased pressure on the second sealing plate 61 is increased, the second sealing plate 61 is pushed to rotate, the exhaust pipe 6 is opened, so that the gas in the negative pressure cavity 21 is discharged from the exhaust pipe 6, the gas and the liquid are respectively discharged, and the gas and the liquid are conveniently sterilized, disinfected and the like.
Because the elastic ball 4 slides downwards into the drainage tube 5, blood or blood clots attached to the upper end of the drainage tube 5 can be pushed downwards, so that the blood or blood clots can be discharged, and the drainage tube 5 is prevented from being blocked.
Example 2
In addition to embodiment 1, as shown in fig. 4 and 5, a reagent tube 13 communicating with the negative pressure tube 12 is provided in the handle 1 in this embodiment, and the left end of the reagent tube 13 communicates with the right end of the negative pressure tube 12. The reagent cavity 41 is arranged in the elastic ball 4, the thickness of the reagent cavity 41 is 2/3 of the radius of the elastic ball 4, and the volume in the reagent cavity 41 is smaller than the volume between the left end of the negative pressure tube 12 and the left end of the reagent tube 13. The upper end of the piston 3 is connected with a first one-way valve 42 and a second one-way valve 43 which are communicated with the reagent cavity 41 through pipelines, the first one-way valve 42 is used for feeding liquid into the reagent cavity 41 in a one-way mode, the second one-way valve 43 is used for discharging liquid out of the reagent cavity 41 in a one-way mode, the liquid discharging end of the second one-way valve 43 is communicated with the reagent pipe 13 through a pipeline, and the liquid feeding end of the first one-way valve 42 is communicated with a container for storing reagents through a pipeline.
The reagent in this embodiment is a reagent with anticoagulation effect, when the elastic ball 4 is squeezed by the inner wall of the liquid discharge tube 5 after entering the liquid discharge tube 5, the reagent in the reagent chamber 41 flows out through the second one-way valve 43 and enters the negative pressure tube 12 along the reagent tube 13, and because the valve is arranged at the right end of the negative pressure tube 12, the reagent flows leftwards along the negative pressure tube 12 and contacts with blood attached to the left end of the negative pressure tube 12, so that the blood coagulation at the left end of the negative pressure tube 12 is prevented from blocking the negative pressure tube 12.
When the piston 3 moves upward again, the reagent in the negative pressure tube 12 enters the negative pressure cavity 21 under the negative pressure action in the negative pressure cavity 21, and contacts with the blood in the negative pressure cavity 21, so that the blood in the negative pressure cavity 21 is prevented from coagulating. In the process of flowing rightward along the negative pressure tube 12, the reagent contacts the right end of the negative pressure tube 12, so that blood at the right end of the negative pressure tube 12 is prevented from coagulating, and the negative pressure tube 12 is further prevented from being blocked.
Example 3
On the basis of the embodiment 2, as shown in fig. 6 and 7, the lower end of the negative pressure barrel 2 in this embodiment is funnel-shaped, the length of the protrusion 31 is greater than that of the funnel-shaped structure at the lower end of the negative pressure barrel 2, and the elastic ball 4 is provided with a plurality of annular protrusions 44. In the present embodiment, the sealing sleeve 52 having elasticity is provided on both the first sealing plate 51 and the second sealing plate 61, and in the present embodiment, the structure of the sealing sleeve 52 is described by taking the first sealing plate 51 as an example. Sealing sleeve 52 in this embodiment adopts medical latex material, and sealing sleeve 52 cover establish with first shrouding 51 surface and glue with first shrouding 51, and the right-hand member of sealing sleeve 52 is equipped with the oral area just to first torsional spring, and the edge glue joint of sealing sleeve 52 oral area is on the inner wall of fluid-discharge tube 5.
The sealing sleeve 52 in this embodiment seals a gap between the first sealing plate 51 and the drain pipe 5 and a gap between the second sealing plate 61 and the exhaust pipe 6, thereby preventing liquid in the negative pressure chamber 21 from leaking. Because the elastic ball 4 is fixed on the bump 31 and has a certain distance with the bottom of the piston 3, the elastic ball 4 can slide into the liquid discharge pipe 5 to seal the liquid discharge pipe 5.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Multifunctional operation dissector, including handle and electric tool bit, the connection can be dismantled with the one end of handle to the electric tool bit, its characterized in that: a negative pressure pipe is arranged on the handle, and a negative pressure port communicated with the negative pressure pipe is arranged at one end of the handle close to the electric cutter head; the negative pressure port is connected with a negative pressure suction unit, the negative pressure suction unit comprises a negative pressure barrel, a piston and a driving piece, the piston is positioned in the negative pressure barrel and is in sliding seal with the negative pressure barrel, the driving piece is used for driving the piston to slide, a negative pressure cavity is formed between the piston and the bottom of the negative pressure barrel, the side wall of the negative pressure cavity is provided with a closable inlet and is connected with a liquid discharge pipe, the side wall of the negative pressure barrel is fixedly provided with a valve for closing the inlet, the negative pressure pipe is communicated with the inlet, a first sealing plate for closing the liquid discharge pipe is hinged in the liquid discharge pipe, and a first torsion spring is arranged between the liquid; an elastic ball capable of elastically deforming is fixed at the bottom of the piston, and the diameter of the elastic ball is larger than the inner diameter of the liquid discharge pipe; the lateral wall of the liquid discharge pipe is connected with an exhaust pipe, a second sealing plate used for sealing the exhaust pipe is hinged in the exhaust pipe, a second torsion spring is arranged between the exhaust pipe and the second sealing plate, and the rigidity of the second torsion spring is larger than that of the first torsion spring.
2. The multi-functional surgical dissector of claim 1 wherein: the reagent tube that is equipped with in the handle with negative pressure pipe intercommunication, be equipped with the reagent chamber in the elasticity ball, the reagent chamber intercommunication has the first check valve of one-way feed liquor and the second check valve of one-way play liquid, second check valve and reagent tube intercommunication.
3. The multi-functional surgical dissector of claim 2 wherein: the negative pressure pipe and the reagent pipe are communicated and positioned at one side of the negative pressure pipe, which is far away from the electric knife head, and the volume of the pipeline between the negative pressure pipe and the reagent pipe and the negative pressure port is larger than that of the reagent cavity.
4. The multi-functional surgical dissector of claim 3 wherein: the thickness of the reagent chamber is greater than 1/3 of the radius of the elastic sphere.
5. The multi-functional surgical dissector of claim 1 wherein: the lower end of the negative pressure barrel is funnel-shaped.
6. The multi-functional surgical dissector of claim 5 wherein: the bottom of the piston is vertically fixed with a convex block, and the elastic ball is arranged on the convex block.
7. The multi-functional surgical dissector of claim 6 wherein: the convex block is coaxial with the liquid discharge pipe, and the diameter of the convex block is smaller than or equal to the inner diameter of the liquid discharge pipe.
8. The multi-functional surgical dissector of claim 7, wherein: elastic sealing sleeve is sleeved on the first sealing plate, an opening is formed in one end, facing the first torsion spring, of the sealing sleeve, and the edge of the opening is fixed on the inner wall of the liquid discharge pipe.
9. The multi-functional surgical dissector of claim 8 wherein: a plurality of bulges are fixed on the surface of the elastic ball.
10. The multi-functional surgical dissector of claims 4 or 9, wherein: the valve is an electromagnetic valve.
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| CN202010896461.7A CN111803205B (en) | 2020-08-31 | 2020-08-31 | Multifunctional operation dissector |
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| CN202010896461.7A CN111803205B (en) | 2020-08-31 | 2020-08-31 | Multifunctional operation dissector |
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| CN111803205B CN111803205B (en) | 2021-08-10 |
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| US5046486A (en) * | 1989-01-13 | 1991-09-10 | Stryker Corporation | Compact pulsing pump for irrigation handpiece |
| CN102715949A (en) * | 2010-10-26 | 2012-10-10 | 美敦力阿迪安卢森堡有限责任公司 | Neuromodulation cryotherapeutic devices and associated systems and methods |
| CN102526819A (en) * | 2012-02-24 | 2012-07-04 | 常州大学 | Anti-backflow and blockage-proof negative pressure drainage device |
| CN104863639A (en) * | 2014-02-24 | 2015-08-26 | 贺利氏医疗有限公司 | Vacuum motor for operation of lavage system |
| CN106237399A (en) * | 2016-07-18 | 2016-12-21 | 王洛 | Portable micro continual rinsing negative pressure suction device |
| CN207785183U (en) * | 2017-09-19 | 2018-08-31 | 王雪 | A kind of endocrine system disease hydrops extractor |
| CN209332824U (en) * | 2018-07-21 | 2019-09-03 | 毕节市第一人民医院 | A kind of respiratory tract phlegm sucking equipment for paediatrics |
| CN209884497U (en) * | 2018-10-18 | 2020-01-03 | 赵吉飞 | Scalpel with negative pressure suction function for ophthalmic surgery |
| CN210542599U (en) * | 2019-03-21 | 2020-05-19 | 齐芳芳 | Breathe internal medicine with inhaling phlegm device |
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| CN111803205B (en) | 2021-08-10 |
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