CN211749916U - Ultrasonic knife with suction device and capable of being rapidly disassembled - Google Patents
Ultrasonic knife with suction device and capable of being rapidly disassembled Download PDFInfo
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- CN211749916U CN211749916U CN202020130471.5U CN202020130471U CN211749916U CN 211749916 U CN211749916 U CN 211749916U CN 202020130471 U CN202020130471 U CN 202020130471U CN 211749916 U CN211749916 U CN 211749916U
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Abstract
The utility model belongs to the technical field of medical instruments, in particular to a quickly detachable ultrasonic knife with a suction device, wherein the suction device comprises a hard tube and a hose, the rear end of the hard tube is fixedly connected with the hose, and the front end of the hard tube is provided with a main suction part and a guide suction part; the main suction part and the guide suction part are provided with a plurality of air suction holes; the hard tube is fixedly connected with a cutter bar of the ultrasonic knife through an 8-shaped buckle; the guiding and sucking part is a curved surface which gradually shrinks from the front end of the main sucking part to the ultrasonic cutter head; the front end surface of the suction guide part is provided with a plurality of air suction holes; the 8-shaped buckle comprises a cutter bar lantern ring and a hard tube lantern ring; the inside of the cutter bar lantern ring and the hard tube lantern ring is provided with anti-skidding bulges. The utility model discloses in suction device inhales the hard tube with smog and the tissue hydrops that the ultrasonic knife during operation produced, avoid smog to shelter from the endoscope, improved the observation field of vision of endoscope, avoid accidentally injuring tissues on every side to the load of tool bit has been alleviateed.
Description
Technical Field
The utility model belongs to the field of medical equipment, concretely relates to ultrasonic knife that has suction device that can dismantle fast.
Background
At present, an ultrasonic scalpel is widely applied to open type surgical operations and minimally invasive surgical operations, and the working principle of the ultrasonic scalpel is that electric energy is converted into mechanical energy of a scalpel head through a transducer, the scalpel head is enabled to carry out mechanical oscillation at ultrasonic frequency, and then liquid in tissues is vaporized, protein hydrogen chains are broken, protein is solidified and blood vessels are closed, so that the cutting and blood coagulation effects are achieved. The advantages are accurate cutting, controllable blood coagulation, no smoke, less eschar and no conductive tissue damage. However, when the cutter head performs mechanical oscillation to cut tissue at ultrasonic frequency, high heat is generated at the cutting position to gasify surrounding liquid, and the smoke often shields the lens of the endoscope, thereby affecting the observation of the endoscope; when a surgical operation is performed, substances such as coagulants, proteins, blood, tissue particles and the like are generated near the cutter head, the substances can be gradually coagulated on the surface of the cutter head along with the rise of temperature, the use efficiency of the cutter head is further seriously influenced, even the ultrasonic scalpel is stopped due to the overweight loading of the cutter head, and the observation visual field of the endoscope can be also influenced by excessive surgical substances. At present, most of ultrasonic knives with suction devices need to be perforated, installation steps are complex, and parts are not convenient to disassemble and replace.
Disclosure of Invention
The utility model aims at overcoming the supersound sword that exists among the prior art and can producing smog or near the tissue hydrops influence the observation of endoscope at the during operation, lead to the supersound sword to shut down, the installation procedure is loaded down with trivial details and be not convenient for dismantle and the defect of changing the part because of the tool bit load is overweight, provide an installation simple, convenient to detach and change part, improve the endoscope and observe the field of vision and alleviate the quick dismantlement of tool bit load's supersound sword that has suction device.
The utility model provides a technical scheme that its technical problem adopted is:
a quick detachable ultrasonic knife with a suction device is characterized in that: the suction device comprises a hard tube and a hose, the rear end of the hard tube is fixedly connected with the hose, and the front end of the hard tube is provided with a main suction part and a suction guide part arranged at the front end of the main suction part; the main suction part and the guide suction part are provided with a plurality of air suction holes; the hard tube is fixedly connected with the cutter bar of the ultrasonic knife through an 8-shaped buckle; the guiding and sucking part is a curved surface which gradually shrinks from the front end of the main sucking part to the ultrasonic cutter head; the front end surface of the suction guiding part is provided with a plurality of air suction holes; the 8-shaped buckle comprises a cutter bar lantern ring and a hard tube lantern ring; the interior of the cutter bar lantern ring and the hard tube lantern ring is provided with anti-skidding bulges.
Further, the hard pipe lantern ring is provided with a first lantern ring opening from which a hard pipe can be clamped; the radian of the opening of the first collar ranges from 30 degrees to 60 degrees.
Further, the cutter bar lantern ring is provided with a second lantern ring opening for clamping the cutter bar into the second lantern ring opening, and the radian of the second lantern ring opening is 30-60 degrees.
Further, 8 font buckle adopts medical grade PP material.
Further, the 8-shaped buckle is made of medical-grade silica gel materials, and the Shore hardness of the silica gel is 30-75 degrees.
Furthermore, the outer surface of the guiding and sucking part is provided with a plurality of guiding grooves, and guiding holes communicated with the inner hole of the hard pipe are formed in the guiding grooves.
Furthermore, the main suction part and the guide suction part are of a net structure, and a water absorption protective sleeve made of water absorption resin materials is sleeved outside the main suction part and the guide suction part.
Furthermore, the outer surface of the main suction part is provided with a flow guide groove, and a flow guide hole communicated with the inner hole of the hard pipe is formed in the flow guide groove.
Further, the outer edges of the cutter bar lantern ring and the hard pipe lantern ring are provided with circular arc chamfers.
Furthermore, the anti-skid protrusions are convex strips extending along the axial direction of the cutter bar lantern ring and the hard tube lantern ring, and a plurality of concave pits are formed in the convex strips.
Compared with the prior art, the utility model discloses a can dismantle fast ultrasonic knife who has suction device's beneficial effect is:
1. the utility model discloses an 8 font buckles that suction device's hard tube passes through the silica gel material preparation can be fixed fast on the cutter arbor of supersound sword, and supersound sword and suction device can simply dismantle fast, and the hard tube can be made and once can throw spare part, conveniently washs and changes. The guide suction part is more attached to the cutter bar, on one hand, the front end of the suction device can be as close to the cutter head of the ultrasonic cutter as possible to suck gasified liquid generated at the cutting position of the cutter head as soon as possible, and on the other hand, the smaller volume of the front end of the guide suction part is beneficial to not influencing the cutting action of the cutter head as little as possible. 8 font buckle adopts medical grade silica gel material to have certain elasticity and conveniently establishes into with the quick card of cutter arbor and hard tube, and medical grade silica gel material still has certain hardness in addition and guarantees that cutter arbor and hard tube are difficult to drop, the cutter arbor lantern ring in addition with the inside of the hard tube lantern ring sets up the non-skid projection and makes cutter arbor and hard tube be difficult to relative slip. Under the effect of suction power, the suction device sucks smog and tissue effusion generated during the operation of the ultrasonic knife into the hard tube, so that the smog can be prevented from blocking the endoscope, the observation visual field of the endoscope is improved, surrounding tissues are prevented from being accidentally injured, and the load of the knife head is reduced.
2. The hard tube lantern ring has the first lantern ring opening that can establish into with the hard tube from its card, and after the operation, the hard tube can directly be taken out from first lantern ring opening, and need not separate 8 font buckles and cutter arbor, and the hard tube is very convenient the washing after with the hose separation.
3. The outer surface of the guiding and sucking part is provided with a flow guide groove and a flow guide hole, so that water drops or other liquid condensed on the outer surface of the guiding and sucking part can enter the hard tube through the flow guide hole under the flow guide effect of the flow guide groove in the suction process of the suction device, and the water drops or other liquid can be sucked away by the suction device in time.
4. The main suction part and the guide suction part are arranged into a net structure, the adsorption area of the suction device is increased, in addition, the water absorption protective sleeve made of the water absorption resin material is sleeved outside the main suction part and the guide suction part, various water vapor, coagulants, proteins, blood, tissue particles and other substances near the cutter head generated by the operation can be timely sucked away, the adsorption capacity is strong, the water absorption protective sleeve is directly taken down and thrown away after the operation is completed, and the cleaning work of the hard tube is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is an overall structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a view showing the structure of the suction guide part;
FIG. 4 is an embodiment of the 8-shaped buckle of the present invention;
FIG. 5 is a second embodiment of the 8-shaped buckle of the present invention;
FIG. 6 shows a third embodiment of the 8-shaped buckle according to the present invention;
fig. 7 is a structural view of an embodiment in which the main suction portion and the suction guide portion of the present invention are net-shaped structures.
In the figure, 1, a suction device, 11, a hard tube, 111, a main suction part, 112, a guide suction part, 113, a suction hole, 114, a guide groove, 115, a guide hole, 12, a hose, 2, an ultrasonic knife, 21, a knife rod, 22, a knife head, 3 and 8-shaped buckles, 31, a knife rod lantern ring, 311, a second lantern ring opening, 32, a hard tube lantern ring, 321, a first lantern ring opening, 33, a convex strip, 34 and a pit.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-7, the ultrasonic scalpel with a suction device according to the embodiment of the present invention, the suction device 1 is used for sucking away the smoke generated during the ultrasonic operation and substances such as coagulants, proteins, blood, tissue particles, etc. generated near the scalpel head 22 in time, the suction device 1 includes a hard tube 11 and a flexible tube 12, the rear end of the hard tube 11 is fixedly connected to the flexible tube 12, and the rear end of the flexible tube 12 is connected to a negative pressure mechanism.
Referring to fig. 1 and 2, the hard tube 11 is fixedly connected with the knife bar 21 of the ultrasonic knife 2 through an 8-shaped buckle 3, and the 8-shaped buckle 3 comprises a knife bar lantern ring 31 and a hard tube lantern ring 32; FIG. 4 shows an embodiment of the 8-shaped buckle 3, wherein the hard tube collar 32 has a first collar opening 321 for allowing the hard tube 11 to be snapped therein; the radian of the first collar opening 321 is 30-60 degrees. The cutter bar lantern ring 31 is provided with a second lantern ring opening 311 for clamping the cutter bar 21 therein, and the radian of the second lantern ring opening 311 is 30-60 degrees. Set up the lantern ring opening and can follow it with hard tube 11 or cutter arbor 21 card and establish into, very easy to assemble and dismantlement, after the operation, hard tube 11 can directly be taken out from first lantern ring opening 321, and need not separate 8 font buckle 3 and cutter arbor 21, and hard tube 11 is convenient the washing very much after separating with hose 12. In order to increase the friction between the inner walls of the hard tube sleeve ring 32 and the cutter bar sleeve ring 31 and the outer walls of the circular tubes of the suction device and the ultrasonic knife 2, anti-skid protrusions are arranged on the inner wall surfaces of the hard tube sleeve ring 32 and the cutter bar sleeve ring 31. The anti-slip protrusions may be straight lines, diagonal lines, wavy lines or other irregular protrusions, in this embodiment, referring to fig. 4, the anti-slip protrusions are protruding strips 33 extending along the axial direction of the cutter bar collar 31 and the hard tube collar 32, and the protruding strips 33 are provided with a plurality of concave pits 34.
As shown in fig. 5, in the second embodiment of the 8-shaped clamp 3, the knife bar collar 31 has no collar opening, the hard tube collar 32 has a collar opening, only the collar opening is provided on the hard tube collar 32, the 8-shaped clamp 3 does not need to be frequently removed from the knife bar 21, the ultrasonic knife 2 can be cleaned together with the 8-shaped clamp 3, and only the hard tube 11 needs to be removed from the first collar opening 321 of the hard tube collar 32 for cleaning and replacement.
The 8-shaped buckle 3 in the figures 4 and 5 is made of medical-grade PP plastic, the thickness is about 0.5mm, and the width is 2-20 mm; for convenient installation and fixation, the outer edge of the 8-shaped buckle 3 is provided with an arc chamfer. The inner diameters of the hard tube lantern ring and the cutter bar lantern ring are equal to the outer diameters of the round tubes of the suction device and the ultrasonic knife, and the tolerance is +0.01-0.03 mm.
In order to increase the friction between the inner wall of the fastening ring and the outer wall of the round tube of the suction device and the ultrasonic knife, lines or surface roughness are added on the inner wall of the lantern ring.
As shown in fig. 6, which is a third embodiment of the 8-shaped buckle 3, neither the cutter bar collar 31 nor the hard tube collar 32 has a sleeve opening, and the cutter bar collar 31 may be first installed on the cutter bar 21, and the hard tube 11 may be sequentially passed through the hard tube collar 32 from the back to the front. The 8-shaped buckle 3 in the implementation is made of medical-grade silica gel, and the Shore hardness of the silica gel is 30-75 degrees. The inner diameter of the hard tube lantern ring and the cutter bar lantern ring is slightly smaller than the outer diameter of the hard tube of the suction apparatus and the outer diameter of the cutter bar of the ultrasonic knife, and the tolerance is-0.05-0.20 mm.
Referring to fig. 2 and 3, the front end of the hard tube 11 has a main suction portion 111 and a suction guide portion 112 disposed at the front end of the main suction portion 111; the main suction part 111 and the guide suction part 112 are provided with a plurality of suction holes 113; in order to make the suction device 1 better absorb smoke and substances near the cutter head 22, the front end of the suction guiding part 112 of the hard tube 11 is positioned 1-3cm behind the cutter head 22 of the ultrasonic knife 2.
The negative pressure mechanism sucks the smoke through the suction hole 113. The suction guide part 112 is a curved surface gradually converging from the tip of the main suction part 111 toward the ultrasonic blade 22; the front end surface of the suction guide part 112 is provided with a plurality of suction holes 113; the guide suction part 112 which becomes smaller gradually and is attached to the cutter bar 21 can not only be closer to the cutter head 22 of the ultrasonic blade 2 to suck the gasified liquid generated at the cutting position of the cutter head 22 as soon as possible, but also has a smaller volume at the front end of the guide suction part 112 to help the cutting action of the cutter head 22 not to be influenced as much as possible.
Referring to fig. 2 and 3, the outer surface of the suction guide part 112 has a plurality of guide grooves 114, and guide holes 115 penetrating the inner hole of the hard tube 11 are formed in the guide grooves 114. The outer surface of the main suction part 111 is provided with a guide groove 114, and the guide groove 114 is internally provided with a guide hole 115 communicated with the inner hole of the hard pipe 11. The diversion trench 114 and the diversion hole 115 enable water drops or other liquids condensed on the outer surface of the diversion part 112 to enter the interior of the hard tube 11 through the diversion hole 115 under the diversion effect of the diversion trench 114 in the process of the suction device 1, so that the water drops or other liquids are timely drawn away by the suction device 1.
As another preferred embodiment, as shown in fig. 7, in order to increase the suction area of the suction device 1, the main suction part 111 and the suction guide part 112 are provided with a net structure, and a water-absorbing protective cover made of a water-absorbing resin material is provided around the main suction part 111 and the suction guide part 112. The water-absorbing protective sleeve can absorb various substances such as water vapor, coagulants, proteins, blood, tissue particles and the like near the cutter head 22 generated in the operation in time, has strong adsorption capacity, and can be directly taken down and thrown away after the operation is finished, thereby reducing the cleaning work of the hard tube 11.
In this embodiment, the outer edges of the arbor collar 31 and the hard tube collar 32 have rounded chamfers.
The utility model discloses a concrete operating procedure does:
firstly, assembling an ultrasonic scalpel 2 and a suction device 1, taking an 8-shaped buckle 3 with a lantern ring opening on a hard tube lantern ring 32 and a cutter bar lantern ring 31 as an example, generally at least two 8-shaped buckles 3 are needed, firstly, clamping a cutter bar 21 of the ultrasonic scalpel 2 into the cutter bar lantern ring 31 from a second lantern ring opening 311, then clamping a hard tube 11 connected with a hose 12 into the hard tube lantern ring 32 from a first lantern ring opening 321, adjusting the position of the hard tube 11 back and forth to enable the front end of a guide suction part 112 of the hard tube 11 to be positioned 1-3cm behind a cutter head 22 of the ultrasonic scalpel 2, then operating the ultrasonic scalpel 2 to enter a human body for operation, opening a negative pressure mechanism of the suction device 1, continuously sucking air, sucking smoke generated in the operation process in time, sucking away from an air suction hole 113, simultaneously sucking away a part of coagulator, protein, blood and other parts of substances generated in the operation process directly from the air suction hole 113 after standing on the hard tube 11, converging the part of the smoke into a flow guide groove 114 gradually and entering the interior of the And is thus sucked out by the suction device 1. After the operation is finished, the hard tube 11 is separated from the soft tube 12, the hard tube 11 is taken out from the first collar opening 321 and is directly thrown away, and a new hard tube 11 is replaced in the next operation; then the 8-shaped buckle 3 is taken down from the cutter bar 21, and the ultrasonic knife 2 and the 8-shaped buckle 3 are respectively cleaned.
It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.
Claims (10)
1. A quick detachable ultrasonic knife with a suction device is characterized in that: the suction device (1) comprises a hard tube (11) and a hose (12), the rear end of the hard tube (11) is fixedly connected with the hose (12), and the front end of the hard tube (11) is provided with a main suction part (111) and a suction guide part (112) arranged at the front end of the main suction part (111); the main suction part (111) and the guide suction part (112) are provided with a plurality of suction holes (113); the hard tube (11) is fixedly connected with a cutter bar (21) of the ultrasonic cutter (2) through an 8-shaped buckle (3); the suction guide part (112) is a curved surface which gradually shrinks from the front end of the main suction part (111) to the ultrasonic cutter head (22); the front end surface of the suction guide part (112) is provided with a plurality of suction holes (113); the 8-shaped buckle (3) comprises a cutter bar lantern ring (31) and a hard tube lantern ring (32); the interior of the cutter bar sleeve ring (31) and the hard pipe sleeve ring (32) is provided with skidproof protrusions.
2. The ultrasonic blade with a suction device capable of being rapidly disassembled according to claim 1, wherein: the hard pipe lantern ring (32) is provided with a first lantern ring opening (321) into which the hard pipe (11) can be clamped; the radian of the first collar opening (321) is 30-60 degrees.
3. A quickly detachable ultrasonic blade with a suction device according to claim 2, wherein: the cutter bar lantern ring (31) is provided with a second lantern ring opening (311) which can clamp the cutter bar (21) from the upper part of the cutter bar lantern ring, and the radian of the second lantern ring opening (311) is 30-60 degrees.
4. A quickly detachable ultrasonic blade with a suction device according to claim 2 or 3, wherein: the 8-shaped buckle (3) is made of medical PP materials.
5. The ultrasonic blade with a suction device capable of being rapidly disassembled according to claim 1, wherein: the 8-shaped buckle (3) is made of medical-grade silica gel materials, and the Shore hardness of the silica gel is 30-75 degrees.
6. The ultrasonic blade with a suction device capable of being rapidly disassembled according to claim 1, wherein: the outer surface of the guiding and sucking part (112) is provided with a plurality of guiding grooves (114), and guiding holes (115) communicated with the inner hole of the hard pipe (11) are formed in the guiding grooves (114).
7. The ultrasonic blade with a suction device capable of being rapidly disassembled according to claim 1, wherein: the main suction part (111) and the guide suction part (112) are of a net structure, and a water absorption protective sleeve made of water absorption resin materials is sleeved outside the main suction part (111) and the guide suction part (112).
8. The ultrasonic blade with a suction device capable of being rapidly disassembled according to claim 1 or 6, wherein: the outer surface of the main suction part (111) is provided with a guide groove (114), and a guide hole (115) communicated with the inner hole of the hard pipe (11) is formed in the guide groove (114).
9. The ultrasonic blade with a suction device capable of being rapidly disassembled according to claim 1, wherein: the outer edges of the cutter bar lantern ring (31) and the hard pipe lantern ring (32) are provided with circular arc chamfers.
10. The ultrasonic blade with a suction device capable of being rapidly disassembled according to claim 1, wherein: the anti-skid protrusions are convex strips (33) extending along the axial direction of the cutter bar sleeve ring (31) and the hard tube sleeve ring (32), and a plurality of concave pits (34) are formed in the convex strips (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020130471.5U CN211749916U (en) | 2020-01-20 | 2020-01-20 | Ultrasonic knife with suction device and capable of being rapidly disassembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020130471.5U CN211749916U (en) | 2020-01-20 | 2020-01-20 | Ultrasonic knife with suction device and capable of being rapidly disassembled |
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| Publication Number | Publication Date |
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| CN211749916U true CN211749916U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020130471.5U Active CN211749916U (en) | 2020-01-20 | 2020-01-20 | Ultrasonic knife with suction device and capable of being rapidly disassembled |
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| CN (1) | CN211749916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691239A (en) * | 2020-12-06 | 2021-04-23 | 复旦大学 | Aspirator capable of being combined with energy instrument for use |
| CN116172674A (en) * | 2023-04-26 | 2023-05-30 | 上海宇度医学科技股份有限公司 | Endoscope integrated with cutting device and cutting device |
-
2020
- 2020-01-20 CN CN202020130471.5U patent/CN211749916U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691239A (en) * | 2020-12-06 | 2021-04-23 | 复旦大学 | Aspirator capable of being combined with energy instrument for use |
| CN112691239B (en) * | 2020-12-06 | 2021-12-28 | 复旦大学 | Aspirator capable of being combined with energy instrument for use |
| CN116172674A (en) * | 2023-04-26 | 2023-05-30 | 上海宇度医学科技股份有限公司 | Endoscope integrated with cutting device and cutting device |
| CN116172674B (en) * | 2023-04-26 | 2023-08-18 | 上海宇度医学科技股份有限公司 | Endoscope integrated with cutting device and cutting device |
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