CN211534647U - Surgical knife - Google Patents
Surgical knife Download PDFInfo
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- CN211534647U CN211534647U CN201921187397.4U CN201921187397U CN211534647U CN 211534647 U CN211534647 U CN 211534647U CN 201921187397 U CN201921187397 U CN 201921187397U CN 211534647 U CN211534647 U CN 211534647U
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Abstract
The utility model discloses a surgical knife relates to medical instrument technical field, include: the power mechanism comprises a mounting seat, a containing cavity, a motor and a power shaft, the power transmission mechanism comprises a holding rod, a transmission cavity and a transmission shaft, and the abrasive drilling mechanism comprises a drill bit mounting seat, a power output cavity, a power output shaft and a drill bit. The power mechanism provides power, and the power transmission mechanism is used for transmitting the power of the power mechanism to the abrasive drilling mechanism; when the hand-held drill is used, the surgical cutter can be controlled by holding the holding rod, and the cutting force and the cutting accuracy of the drill bit on bone tissues or soft tissues can be mastered by pinching the holding rod. Therefore, the technical problems that when the surgical knife with an external power supply in the prior art grinds bone tissues or soft tissues of a patient, the surgical knife is not flexible to use, and the hidden trouble of winding the surrounding soft tissues exists in the surgical process are solved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a surgical knife.
Background
Currently, a surgical knife refers to a special knife composed of a blade and a handle for cutting human or animal body tissue, and is an indispensable and important surgical tool in surgical operations, and the safety of the knife is very important for a doctor and a patient.
A scalpel is typically composed of a blade and a handle. The blade is usually provided with a cutting edge and a mounting groove butted with the scalpel handle, and the blade is usually made of pure titanium, titanium alloy, stainless steel or carbon steel and is generally disposable. When in dissection, the knife edge is used for cutting the skin and the muscle, the knife tip is used for repairing the blood vessel and the nerve, and the knife handle is used for blunt separation.
In surgical operation, a surgical knife with a grinding drill is generally used for grinding bone tissues or soft tissues of a human body, and the conventional grinding knife is generally used for grinding by driving a grinding head or a drill bit to rotate at high speed by a manual knife handle. The common surgical knife is provided with an external power supply, and the surgical knife is connected with the external power supply by adopting a wire, so that the volume of the surgical knife is large. When the surgical knife is used by a surgeon, the surgical knife is not flexible, so that the hidden trouble of winding surrounding soft tissues exists in the surgical process; under the condition that the grinding head or the drill bit rotates at a high speed, once the soft tissue is wound, the soft tissue can be twisted off, particularly, the damage degree to the soft tissue such as blood vessels, nerves and the like is high, and the cutting edge of the grinding head or the drill bit can greatly damage patients.
Therefore, the technical problems that when the surgical knife with the external power supply is used for grinding bone tissues or soft tissues of a patient in the prior art, the surgical knife is not flexible to use, and the hidden trouble of winding the surrounding soft tissues exists in the surgical process are solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a surgical knife for when solving among the prior art use surgical knife who has external power supply to carry out the grinding to patient's bone tissue or soft tissue, surgical knife uses the dumb, has the technical problem of the hidden danger of winding soft tissue around in the operation process.
The embodiment of the utility model provides a surgical knife, include: the power mechanism is connected with the abrasive drilling mechanism through the power transmission mechanism, and the power transmission mechanism is used for transmitting the power of the power mechanism to the abrasive drilling mechanism; wherein the content of the first and second substances,
the power mechanism comprises a mounting seat, an accommodating cavity, a motor and a power shaft, the mounting seat is connected with the power transmission mechanism, the accommodating cavity is formed in the mounting seat, the motor is arranged in the accommodating cavity and connected with the inner wall of the mounting seat, the power shaft is connected with a transmission shaft of the motor, and the transmission shaft is connected with the power transmission mechanism;
the power transmission mechanism comprises a holding rod, a transmission cavity and a transmission shaft, the mounting seat is connected with the abrasive drilling mechanism through the holding rod, the transmission cavity is formed in the holding rod, the transmission shaft is arranged in the transmission cavity, and the power shaft is connected with the abrasive drilling mechanism through the transmission shaft;
the grinding and drilling mechanism comprises a drill bit mounting seat, a power output cavity, a power output shaft and a drill bit, the drill bit mounting seat is connected with the control rod, the power output cavity is formed in the drill bit mounting seat, the power output shaft is arranged in the power output cavity, and the transmission shaft is connected with the drill bit through the power output shaft.
Preferably, the power transmission mechanism further comprises one or more limiting seats, and the limiting seats are arranged in the transmission cavity and connected with the inner wall of the holding rod;
the transmission shaft comprises a transmission rod, bearings with the number corresponding to that of the limiting seats and limiting discs matched with the limiting seats, the power shaft is connected with the power output shaft through the transmission rod, the limiting discs are connected with the transmission rod through the bearings, and the limiting discs are connected with the inner wall of the holding rod through the limiting seats.
Preferably, the number of the limiting seats is 2, and the limiting seats are respectively arranged at two ends of the holding rod.
Preferably, one end of the transmission rod close to the mounting seat and one end of the transmission rod close to the drill bit mounting seat are respectively provided with a first power connecting piece, one end of the power shaft close to the holding rod and one end of the power output shaft close to the holding rod are respectively provided with a second power connecting piece matched with the first power connecting piece, the power shaft is connected with the transmission rod through the matching of the first power connecting piece and the second power connecting piece, and the power output shaft is connected with the transmission rod through the matching of the second power connecting piece and the first power connecting piece.
Preferably, the first power connecting piece comprises a connecting cavity, a connecting port and a clamping head, the clamping head is connected with the transmission rod, the connecting cavity is formed in the clamping head, and the connecting port is communicated with the connecting cavity;
the second power connecting piece comprises a connecting head matched with the connecting cavity and clamping teeth matched with the connecting port, the connecting head is respectively connected with the power shaft and the power output shaft, the clamping teeth are arranged on the connecting head, the power shaft and the power output shaft are connected with the transmission rod through the matching of the connecting cavity and the connecting head, and are meshed with the transmission rod through the matching of the clamping teeth and the connecting port.
Preferably, the abrasive drilling mechanism further comprises a drill bit pipe cover, the drill bit pipe cover is arranged on the installation seat, an inner cavity of the drill bit pipe cover is communicated with the power output cavity, and the power output shaft is connected with the drill bit through the inner cavity of the drill bit pipe cover.
Preferably, threaded connectors are respectively arranged at two ends of the holding rod, threaded connectors are respectively arranged at one end of the mounting seat close to the holding rod and one end of the drill bit mounting seat close to the holding rod, the mounting seat is connected with the holding rod through the matching of the threaded connectors and the connectors, and the holding rod is connected with the drill bit mounting seat through the matching of the threaded connectors and the threaded connectors.
Preferably, the grinding and drilling mechanism further comprises a sealing bearing, the sealing bearing is arranged at a port of the drill bit pipe cover close to the drill bit, and the power output shaft is connected with the inner wall of the drill bit pipe cover through the sealing bearing and seals the port of the drill bit pipe cover close to the drill bit.
Preferably, the outer wall of the holding rod close to the direction of the drill bit mounting seat is provided with an anti-skidding structure.
Preferably, the anti-slip structure is a plurality of annular protrusions.
To sum up, the utility model provides a surgical knife relates to medical instrument technical field, include: the power mechanism is connected with the abrasive drilling mechanism through the power transmission mechanism, and the power transmission mechanism is used for transmitting the power of the power mechanism to the abrasive drilling mechanism; the power mechanism comprises a mounting seat, an accommodating cavity, a motor and a power shaft, wherein the mounting seat is connected with the power transmission mechanism; the power transmission mechanism comprises a holding rod, a transmission cavity and a transmission shaft, the mounting seat is connected with the abrasive drilling mechanism through the holding rod, the transmission cavity is formed in the holding rod, the transmission shaft is arranged in the transmission cavity, and the power shaft is connected with the abrasive drilling mechanism through the transmission shaft; the grinding and drilling mechanism comprises a drill bit mounting seat, a power output cavity, a power output shaft and a drill bit, the drill bit mounting seat is connected with the control rod, the power output cavity is formed in the drill bit mounting seat, the power output shaft is arranged in the power output cavity, and the transmission shaft is connected with the drill bit through the power output shaft. In the technical scheme provided by the utility model, the power mechanism is connected with the abrasive drilling mechanism through the power transmission mechanism, the power mechanism provides power, and the power transmission mechanism is used for transmitting the power of the power mechanism to the abrasive drilling mechanism; during the use, grip the pole and can control surgical knife, small, grasp the cutting dynamics and the cutting accuracy of drill bit to bone tissue or soft tissue through holding between the fingers to the pole. Therefore, the technical problems that when the surgical knife with an external power supply in the prior art grinds bone tissues or soft tissues of a patient, the surgical knife is not flexible to use, and the hidden trouble of winding the surrounding soft tissues exists in the surgical process are solved.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a main body view of a surgical knife provided in accordance with an embodiment of the present invention;
FIG. 2 is an exploded view of a surgical knife provided in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural view of a power mechanism according to an embodiment of the present invention;
fig. 4 is a partial detail view of the power mechanism according to the embodiment of the present invention;
fig. 5 is a schematic structural view of a power transmission mechanism according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a drill grinding mechanism according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a transmission shaft according to an embodiment of the present invention;
fig. 8 is a partial detail view of a transmission shaft according to an embodiment of the present invention.
Icon: 10-a surgical knife; 100-a power mechanism; 200-a power transmission mechanism; 300-a drill grinding mechanism; 110-a mount; 120-a housing chamber; 130-a motor; 140-a power shaft; 210-a holding rod; 220-a transmission cavity; 230-a drive shaft; 310-a drill bit mount; 320-a power take-off cavity; 330-power output shaft; 340-a drill bit; 240-a limiting seat; 231-a transmission rod; 232-a bearing; 233-limit disc; 234 — a first power connection; 150-a second power connection; 2341-connecting chamber; 2342-connecting port; 2343-a snap head; 151-a connector; 152-snap teeth; 350-drill bit pipe cover; 250-threaded connection; 360-a threaded connector; 370-a sealed bearing; 210-a slip resistant structure; 211-circular ring shaped bulge.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Referring to fig. 1 to 8, a surgical knife 10 according to an embodiment of the present invention includes: the power mechanism 100 is connected with the drill grinding mechanism 300 through the power transmission mechanism 200, and the power transmission mechanism 200 is used for transmitting the power of the power mechanism 100 to the drill grinding mechanism 300; wherein the content of the first and second substances,
the power mechanism 100 comprises a mounting seat 110, a containing cavity 120, a motor 130 and a power shaft 140, wherein the mounting seat 110 is connected with the power transmission mechanism 200, the containing cavity 120 is arranged on the mounting seat 110, the motor 130 is arranged in the containing cavity 120 and connected with the inner wall of the mounting seat 110, the power shaft 140 is connected with a transmission shaft 230 of the motor 130, and the transmission shaft 230 is connected with the power transmission mechanism 200;
the power transmission mechanism 200 comprises a holding rod 210, a transmission cavity 220 and a transmission shaft 230, the mounting base 110 is connected with the abrasive drilling mechanism 300 through the holding rod 210, the transmission cavity 220 is arranged on the holding rod 210, the transmission shaft 230 is arranged in the transmission cavity 220, and the power shaft 140 is connected with the abrasive drilling mechanism 300 through the transmission shaft 230;
the drill grinding mechanism 300 comprises a drill 340 mounting seat 310, a power output cavity 320, a power output shaft 330 and a drill 340, wherein the drill 340 mounting seat 310 is connected with the holding rod 210, the power output cavity 320 is arranged on the drill 340 mounting seat 310, the power output shaft 330 is arranged in the power output cavity 320, and the transmission shaft 230 is connected with the drill 340 through the power output shaft 330.
In specific implementation, the power mechanism 100 includes a mounting base 110, an accommodating cavity 120, a motor 130, and a power shaft 140; it is clear that the receiving cavity 120 also receives a mobile power source, which may be most preferably a rechargeable battery. After the battery is used up, the power mechanism 100 can be detached from the power transmission mechanism 200 and connected with the power mechanism 100 with the battery with full capacity for use, so that the limitation of an external power supply is eliminated, and the surgical knife 10 is small in size, light in weight and flexible to use. The power supply is connected with the motor 130 to supply power to the motor 130, the transmission shaft of the motor 130 transmits power to the power shaft 140, the transmission shaft 230 transmits the power of the power shaft 140 to the power output shaft 330, and the drill 340 connected to the power output shaft 330 rotates at a high speed to grind bone tissues or soft tissues. In the technical solution provided in this embodiment, the power mechanism 100 is connected to the drill grinding mechanism 300 through the power transmission mechanism 200, the power mechanism 100 provides power, and the power transmission mechanism 200 is used for transmitting the power of the power mechanism 100 to the drill grinding mechanism 300; when the surgical knife is used, the surgical knife 10 can be controlled by holding the holding rod 210, the size is small, and the cutting force and the cutting accuracy of the drill 340 on bone tissues or soft tissues can be grasped by pinching the holding rod 210. Therefore, the technical problems that when the surgical knife 10 with an external power supply grinds bone tissues or soft tissues of a patient in the prior art, the surgical knife 10 is not flexible to use, and the hidden trouble of winding the surrounding soft tissues exists in the surgical process are solved.
Preferably, the power transmission mechanism 200 further includes one or more position limiting seats 240, and the position limiting seats 240 are installed in the transmission cavity 220 and connected with the inner wall of the holding rod 210;
the transmission shaft 230 includes a transmission rod 231, a number of bearings 232 corresponding to the number of the limit seats 240, and a limit disc 233 matched with the limit seats 240, the power shaft 140 is connected to the power output shaft 330 through the transmission rod 231, the limit disc 233 is connected to the transmission rod 231 through the bearings 232, and the limit disc 233 is connected to the inner wall of the holding rod 210 through the limit seats 240.
In a specific implementation, in order to dispose the transmission shaft 230 in the transmission cavity 220 and stably connect with the inner wall of the power transmission mechanism 200, the power transmission mechanism 200 further includes one or more position limiting seats 240, and the position limiting seats 240 are disposed in the transmission cavity 220 and connected with the inner wall of the holding rod 210. The limiting seat 240 may be an annular protrusion, the upper surface of the annular protrusion has a groove, and the groove is matched with the periphery of the limiting disc 233, so that the limiting disc 233 and the limiting seat 240 are engaged and fixedly connected. The driving rod 231 is connected with the inner cavity of the limiting disc 233 through the bearing 232, so that the driving rod 231 can rotate in the inner cavity of the limiting disc 233 at a high speed through the bearing 232. By arranging the limiting disc 233, the material of the holding rod 210 is reduced, so that the mass of the holding rod 210 is reduced, the total weight of the surgical knife 10 is reduced, and the operation is more flexible.
Preferably, there are 2 limiting seats 240 respectively disposed at both ends of the holding rod 210.
During the concrete implementation, spacing seat 240 can be 2, sets up to 2 to set up spacing seat 240 at the both ends of holding pole 210, be connected through spacing seat 240 and spacing dish 233 and the cooperation that transfer line 231 is connected through bearing 232 and spacing dish 233 can be sealed the both ends in transmission chamber 220, prevent that external pollutant from getting into transmission chamber 220, make later stage washing and maintenance more convenient.
Preferably, one end of the transmission rod 231 close to the mounting seat 110 and one end of the transmission rod 231 close to the mounting seat 310 of the drill 340 are respectively provided with a first power connector 234, one end of the power shaft 140 close to the holding rod 210 and one end of the power output shaft 330 close to the holding rod 210 are respectively provided with a second power connector 150 matched with the first power connector 234, the power shaft 140 is connected with the transmission rod 231 through matching of the first power connector 234 and the second power connector 150, and the power output shaft 330 is connected with the transmission rod 231 through matching of the second power connector 150 and the first power connector 234.
In one embodiment, power shaft 140 is detachably connected to power rod 231, and power take-off shaft 330 is detachably connected to power rod 231. A first power connector 234 is respectively arranged at one end of the transmission rod 231 close to the mounting seat 110 and one end of the transmission rod 231 close to the mounting seat 310 of the drill bit 340, and a second power connector 150 matched with the first power connector 234 is respectively arranged at one end of the power shaft 140 close to the holding rod 210 and one end of the power output shaft 330 close to the holding rod 210; such that power shaft 140 is coupled to drive link 231 by the mating of first power link 234 with second power link 150 and power take-off shaft 330 is coupled to drive link 231 by the mating of second power link 150 with first power link 234.
Preferably, the first power connector 234 includes a connection cavity 2341, a connection port 2342, and a snap head 2343, the snap head 2343 is connected with the transmission rod 231, the connection cavity 2341 is opened on the snap head 2343, and the connection port 2342 is communicated with the connection cavity 2341;
the second power connector 150 comprises a connector 151 matched with the connecting cavity 2341 and a clamping tooth 152 matched with the connecting port 2342, the connector 151 is connected with the power shaft 140 and the power output shaft 330 respectively, the clamping tooth 152 is arranged on the connector 151, the power shaft 140 and the power output shaft 330 are connected with the transmission rod 231 through matching of the connecting cavity 2341 and the connector 151, and are meshed with the transmission rod 231 through matching of the clamping tooth 152 and the connecting port 2342.
In specific implementation, in order to detachably connect power shaft 140 and transmission rod 231 and detachably connect power take-off shaft 330 and transmission rod 231, the connection and disconnection between power shaft 140 and transmission rod 231 and between power take-off shaft 330 and transmission rod 231 are more convenient, and the stability after power shaft 140 and transmission rod 231 and power take-off shaft 330 are connected with transmission rod 231 is improved. The first power connector 234 comprises a connecting cavity 2341, a connecting port 2342 and a clamping head 2343, wherein the clamping head 2343 is connected with the transmission rod 231, the connecting cavity 2341 is formed in the clamping head 2343, and the connecting port 2342 is communicated with the connecting cavity 2341; the second power connector 150 comprises a connector 151 matched with the connecting cavity 2341 and a clamping tooth 152 matched with the connecting port 2342, the connector 151 is connected with the power shaft 140 and the power output shaft 330 respectively, the clamping tooth 152 is arranged on the connector 151, the power shaft 140 and the power output shaft 330 are connected with the transmission rod 231 through matching of the connecting cavity 2341 and the connector 151, and are meshed with the transmission rod 231 through matching of the clamping tooth 152 and the connecting port 2342.
Preferably, the grinding mechanism 300 further comprises a drill bit pipe cover 350, the drill bit pipe cover 350 is disposed on the mounting seat, an inner cavity of the drill bit pipe cover 350 is communicated with the power output cavity 320, and the power output shaft 330 is connected with the drill bit 340 through the inner cavity of the drill bit pipe cover 350.
In specific implementation, in order to prevent the power output shaft 330 from being exposed, a drill pipe cover 350 is arranged on the mounting seat, and the power output shaft 330 is arranged in the drill pipe cover 350, so that the power output shaft 330 is protected and the power output shaft 330 is prevented from being broken.
Preferably, threaded connectors 250 are respectively arranged at two ends of the holding rod 210, threaded connectors 360 are respectively arranged at one end of the mounting seat 110 close to the holding rod 210 and one end of the mounting seat 310 of the drill 340 close to the holding rod 210, the mounting seat 110 is connected with the holding rod 210 through the matching of the threaded connectors 360 and the connectors 2342, and the holding rod 210 is connected with the mounting seat 310 of the drill 340 through the matching of the threaded connectors 250 and the threaded connectors 360.
In specific implementation, in order to enable the holding rod 210 and the mounting seat 110 to be quickly mounted and dismounted and enable the holding rod 210 and the drill 340 mounting seat 310 to be quickly mounted and dismounted, threaded connectors 250 are respectively arranged at two ends of the holding rod 210, threaded connectors 360 are respectively arranged at one end of the mounting seat 110 close to the holding rod 210 and one end of the drill 340 mounting seat 310 close to the holding rod 210, the mounting seat 110 is connected with the holding rod 210 through the matching of the threaded connectors 360 and the connecting ports 2342, and the holding rod 210 is connected with the drill 340 mounting seat 310 through the matching of the threaded connectors 250 and the threaded connectors 360.
Preferably, the grinding mechanism 300 further comprises a sealing bearing 370, the sealing bearing 370 is disposed at the end of the casing 350 near the drill bit 340, and the power output shaft 330 is connected with the inner wall of the casing 350 through the sealing bearing 370 and seals the end of the casing 350 near the drill bit 340.
In practice, as the drill 340 produces waste residues when grinding bone tissues or soft tissues, the waste residues may enter into the gap between the drill pipe cover 350 and the power output shaft 330. By providing the seal bearing 370, the power output shaft 330 is connected to the inner wall of the bit tube cover 350 through the seal bearing 370 and seals the port of the bit tube cover 350 near the bit 340, so as to prevent debris from entering the gap between the bit tube cover 350 and the power output shaft 330.
Preferably, the outer wall of the holding rod 210 in the direction close to the mounting seat 310 of the drill 340 is provided with the anti-slip structure 210.
In specific implementation, the anti-slip structure 210 is disposed in the direction of the holding rod close to the drill 340, which is beneficial to increase the friction between the palm of the operator and the surgical knife 10, so as to prevent the surgical knife 10 from being damaged due to slipping.
Preferably, the anti-slip structure 210 is a plurality of annular protrusions 211.
During specific implementation, the anti-skid structure 210 is arranged to be the annular protrusion 211, so that the holding rod 210 can be integrally arranged, an external object is not required to be sleeved outside the holding rod 210, the process difficulty is increased, and in order to improve the comfort degree of the contact between the annular protrusion 211 and a palm, the outer surface of the annular protrusion 211 can be subjected to frosting treatment.
To sum up, the utility model provides a surgical knife relates to medical instrument technical field, include: the power mechanism is connected with the abrasive drilling mechanism through the power transmission mechanism, and the power transmission mechanism is used for transmitting the power of the power mechanism to the abrasive drilling mechanism; the power mechanism comprises a mounting seat, an accommodating cavity, a motor and a power shaft, wherein the mounting seat is connected with the power transmission mechanism; the power transmission mechanism comprises a holding rod, a transmission cavity and a transmission shaft, the mounting seat is connected with the abrasive drilling mechanism through the holding rod, the transmission cavity is formed in the holding rod, the transmission shaft is arranged in the transmission cavity, and the power shaft is connected with the abrasive drilling mechanism through the transmission shaft; the grinding and drilling mechanism comprises a drill bit mounting seat, a power output cavity, a power output shaft and a drill bit, the drill bit mounting seat is connected with the control rod, the power output cavity is formed in the drill bit mounting seat, the power output shaft is arranged in the power output cavity, and the transmission shaft is connected with the drill bit through the power output shaft. In the technical scheme provided by the utility model, the power mechanism is connected with the abrasive drilling mechanism through the power transmission mechanism, the power mechanism provides power, and the power transmission mechanism is used for transmitting the power of the power mechanism to the abrasive drilling mechanism; during the use, grip the pole and can control surgical knife, small, grasp the cutting dynamics and the cutting accuracy of drill bit to bone tissue or soft tissue through holding between the fingers to the pole. Therefore, the technical problems that when the surgical knife with an external power supply in the prior art grinds bone tissues or soft tissues of a patient, the surgical knife is not flexible to use, and the hidden trouble of winding the surrounding soft tissues exists in the surgical process are solved.
In short, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A surgical knife, comprising: the power mechanism is connected with the abrasive drilling mechanism through the power transmission mechanism, and the power transmission mechanism is used for transmitting the power of the power mechanism to the abrasive drilling mechanism; wherein the content of the first and second substances,
the power mechanism comprises a mounting seat, an accommodating cavity, a motor and a power shaft, the mounting seat is connected with the power transmission mechanism, the accommodating cavity is formed in the mounting seat, the motor is arranged in the accommodating cavity and connected with the inner wall of the mounting seat, the power shaft is connected with a transmission shaft of the motor, and the transmission shaft is connected with the power transmission mechanism;
the power transmission mechanism comprises a holding rod, a transmission cavity and a transmission shaft, the mounting seat is connected with the abrasive drilling mechanism through the holding rod, the transmission cavity is formed in the holding rod, the transmission shaft is arranged in the transmission cavity, and the power shaft is connected with the abrasive drilling mechanism through the transmission shaft;
the grinding drill mechanism comprises a drill bit mounting seat, a power output cavity, a power output shaft and a drill bit, the drill bit mounting seat is connected with the control rod, the power output cavity is formed in the drill bit mounting seat, the power output shaft is arranged in the power output cavity, and the transmission shaft is connected with the drill bit through the power output shaft.
2. The surgical knife of claim 1, wherein the power transmission mechanism further comprises one or more retaining seats mounted within the drive cavity and connected to an inner wall of the holding rod;
the transmission shaft comprises a transmission rod, bearings and a limiting disc, the bearings correspond to the limiting seats in number, the limiting disc is matched with the limiting seats, the power shaft is connected with the power output shaft through the transmission rod, the limiting disc is connected with the transmission rod through the bearings, and the limiting disc is connected with the inner wall of the holding rod through the limiting seats.
3. The surgical knife according to claim 2, wherein the number of the limiting seats is 2, and the limiting seats are respectively arranged at two ends of the holding rod.
4. The surgical knife of claim 2, wherein one end of the transmission rod close to the mounting seat and one end of the transmission rod close to the drill mounting seat are respectively provided with a first power connecting piece, one end of the power shaft close to the holding rod and one end of the power output shaft close to the holding rod are respectively provided with a second power connecting piece matched with the first power connecting piece, the power shaft is connected with the transmission rod through the matching of the first power connecting piece and the second power connecting piece, and the power output shaft is connected with the transmission rod through the matching of the second power connecting piece and the first power connecting piece.
5. The surgical knife of claim 4, wherein the first powered connector includes a connection cavity, a connection port, and a snap head, the snap head being connected to the drive rod, the connection cavity opening on the snap head, the connection port communicating with the connection cavity;
the second power connecting piece include with connect the connector that the chamber matches and with the block tooth that the connector matches, the connector respectively with the power shaft with power take off hub connection, the block tooth sets up on the connector, the power shaft with power take off hub all passes through connect the chamber with the cooperation of connector with the transfer line is connected and passes through the block tooth with the cooperation of connector with the transfer line meshing.
6. The surgical knife of claim 1, wherein the abrasive drilling mechanism further comprises a drill bit pipe cover, the drill bit pipe cover is arranged on the mounting seat, an inner cavity of the drill bit pipe cover is communicated with the power output cavity, and the power output shaft is connected with the drill bit through the inner cavity of the drill bit pipe cover.
7. The surgical knife according to claim 6, wherein threaded connectors are respectively provided at both ends of the holding rod, threaded connectors are respectively provided at one end of the mounting seat near the holding rod and one end of the drill mounting seat near the holding rod, the mounting seat is connected with the holding rod through the matching of the threaded connectors and the connectors, and the holding rod is connected with the drill mounting seat through the matching of the threaded connectors and the threaded connectors.
8. The surgical knife of claim 6, wherein the drill sharpening mechanism further comprises a sealing bearing disposed at a port of the drill bit tubular housing near the drill bit, the power output shaft being connected to an inner wall of the drill bit tubular housing through the sealing bearing and sealing the port of the drill bit tubular housing near the drill bit.
9. The surgical tool of claim 8, wherein the outer wall of the holding rod in the direction of the drill bit mounting seat is provided with an anti-slip structure.
10. The surgical knife of claim 9, wherein the non-slip feature is a plurality of annular protrusions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921187397.4U CN211534647U (en) | 2019-07-25 | 2019-07-25 | Surgical knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921187397.4U CN211534647U (en) | 2019-07-25 | 2019-07-25 | Surgical knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211534647U true CN211534647U (en) | 2020-09-22 |
Family
ID=72488032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921187397.4U Expired - Fee Related CN211534647U (en) | 2019-07-25 | 2019-07-25 | Surgical knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211534647U (en) |
-
2019
- 2019-07-25 CN CN201921187397.4U patent/CN211534647U/en not_active Expired - Fee Related
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Granted publication date: 20200922 Termination date: 20210725 |