CN114209396B - Hysteroscope tissue excision device - Google Patents

Hysteroscope tissue excision device Download PDF

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Publication number
CN114209396B
CN114209396B CN202210061768.4A CN202210061768A CN114209396B CN 114209396 B CN114209396 B CN 114209396B CN 202210061768 A CN202210061768 A CN 202210061768A CN 114209396 B CN114209396 B CN 114209396B
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fixedly connected
vertical
movably connected
transverse
shell
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CN202210061768.4A
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CN114209396A (en
Inventor
李大菊
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Pingyu County Central Hospital
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Pingyu County Central Hospital
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Priority to CN202210061768.4A priority Critical patent/CN114209396B/en
Publication of CN114209396A publication Critical patent/CN114209396A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/320016Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42Gynaecological or obstetrical instruments or methods
    • A61B17/4241Instruments for manoeuvring or retracting the uterus, e.g. during laparoscopic surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00398Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42Gynaecological or obstetrical instruments or methods
    • A61B2017/4216Operations on uterus, e.g. endometrium

Abstract

The invention discloses a hysteroscope tissue cutting device which comprises a shell, a connecting hole, a cutting protection device, a driving device and a locking screw, wherein the connecting hole is formed in the shell; according to the invention, the knife slot is exposed to contact with the tissue to be cut when the knife blade moves vertically, and the knife blade is matched with the knife blade to move transversely, so that the tissue to be cut is conveniently cut, and inconvenience and trouble caused by the fact that medical staff manually and repeatedly move the knife blade to cut can be avoided; the spring II provided by the invention can ensure that the slide bar is always positioned on the right side of the chute after the motor is stopped, so that the blade is positioned in the cutter groove after cutting is stopped, and the safety in use is improved; according to the tooth clamping device, the inner hexagonal wrench drives the rotary head to rotate so as to drive the tooth clamping block to move downwards and separate from the rack, and then the extension length of the cutting protection device can be transversely adjusted after the locking screw is loosened, so that the use requirements of the cutting protection device with different lengths are met, and the use requirements of different patients in operation are also met.

Description

Hysteroscope tissue excision device
Technical Field
The invention relates to the technical field of medical appliances, in particular to a hysteroscope tissue excision device.
Background
The hysteroscope is a new, minimally invasive gynecological diagnosis and treatment technology, is used for a fiber light source endoscope for intrauterine examination and treatment, and comprises a hysteroscope, an energy system, a light source system, a perfusion system and an imaging system; the anterior part of the endoscope body is used for entering the uterine cavity, and the observed part has an amplifying effect, so that the method is a first-choice examination method for gynecological hemorrhagic diseases and intrauterine lesions intuitively and accurately; the hysteroscope tissue excision system derived from the hysteroscope enters the uterus through the passage of the hysteroscope to excise myoma and polyp, the existing hysteroscope tissue excision device has poorer safety in use, and the extension length of the cutter is also fixed, so that the hysteroscope tissue excision system is difficult to adapt to the operation use requirements of different patients.
Disclosure of Invention
The invention aims to solve the problems that the hysteroscope tissue cutting device is poor in safety when the traditional hysteroscope tissue cutting device is used, and the extending length of a cutter is fixed, so that the hysteroscope tissue cutting device is difficult to adapt to the needs of different patients in operation.
In order to solve the problems, the invention provides a technical scheme that: a hysteroscope tissue excision device is characterized in that: comprises a shell, a connecting hole, a cutting protection device, a driving device and a locking screw; a transverse connecting hole is formed in the lower side of the shell, and a locking screw is movably connected in a threaded hole formed in the upper left side of the connecting hole; the driving device is arranged in the upper side of the shell; the outside of cutting protector right side passes through locking screw fixed connection inside the connecting hole, cutting protector upper right side links to each other with the drive arrangement downside.
Preferably, the specific structure of the cutting protection device comprises a connecting seat, a latch device, a guide hole, an open slot, a movable rod, a connecting rod, a knife sheath, a knife slot, a chute, a fixed shaft and a blade; the inside of the connecting seat is provided with a transverse guide hole, the right upper side of the guide hole is provided with an open slot, and the left side of the connecting seat is fixedly connected with a knife sheath; the movable rod is transversely and movably connected inside the guide hole, the end part of the right side of the movable rod is fixedly connected with a latch device, and the left side of the movable rod is hinged with the right side of the connecting rod; the upper side of the latch device is connected with the lower side of the driving device, and the outside of the latch device is movably connected inside the guide hole and the open slot; a knife slot is formed in the upper side of the knife sheath, and the centers of the left side and the right side of the knife slot are fixedly connected with a longitudinal fixing shaft; the blade swing joint is inside the sword groove, the chute that is parallel to each other and inclines to the left is all offered to blade left and right sides both sides, and chute swing joint is outside the fixed axle that corresponds respectively, blade right side and connecting rod left side swing joint.
Preferably, the upper left side of the blade is provided with an arc cutting edge.
Preferably, the specific structure of the latch device comprises a movable seat, a vertical inclined block, a vertical cavity, a first spring, a vertical groove, a latch block, a transverse inclined block, a transverse cavity, a screw rod and a rotating head; the movable seat is internally provided with a vertical cavity in the center, a vertical groove is formed in the upper side of the movable seat, and a transverse cavity is formed in the lower side of the movable seat; the vertical cavity is internally and movably connected with a vertical inclined block, and the lower side of the vertical cavity is communicated with the left side of the transverse cavity; the outside of the latch block is movably connected inside the vertical groove, and the end part of the lower side of the latch block is fixedly connected with the center of the top of the vertical oblique block; a first spring is arranged between the top surface of the vertical inclined block and the top surface of the vertical cavity; the screw is movably connected to the center of the transverse cavity, and the end part of the right side of the screw is fixedly connected with a rotating head; the horizontal sloping block is movably connected in the horizontal cavity, a threaded hole arranged in the center of the horizontal sloping block is connected with the screw rod, and the inclined plane on the upper left side of the horizontal sloping block is connected with the inclined plane on the lower right side of the vertical sloping block.
Preferably, an inner hexagonal hole is formed in the center of the right side of the rotating head.
Preferably, the specific structure of the driving device comprises a sliding groove, a sliding bar, a switch, a motor, a turntable, a column body, a longitudinal groove, a battery, a rack and a second spring; the sliding groove is transversely formed on the upper side of the connecting hole, and the inside of the sliding groove is transversely movably connected with the sliding strip; the bottom of the sliding bar is fixedly connected with a rack, the tooth part at the lower side of the rack is connected with the upper right side of the cutting protection device, the upper left side of the sliding bar is provided with a longitudinal groove, and a second spring is arranged between the left side of the sliding bar and the left side of the sliding groove; the battery is fixedly connected in the right upper side of the shell; the motor is fixedly connected in the left upper side of the shell, and a rotary table is fixedly connected on an output shaft at the lower side of the motor; the column is fixedly connected to the lower side edge of the turntable, and the outside of the column is movably connected to the inside of the longitudinal groove; the switch is fixedly connected in a groove formed in the upper left side of the shell, the power input end of the switch is electrically connected with the power output end of the battery, and the power output end of the switch is electrically connected with the power input end of the motor.
Preferably, the outer surface of the housing is provided with an anti-slip layer.
The invention has the beneficial effects that:
(1) The invention has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, the knife slot is exposed to contact with the tissue to be cut when the knife blade moves vertically, and the knife blade is matched with the knife blade to move transversely to cut the tissue to be cut, so that the inconvenience and trouble caused by the manual repeated movement of the knife blade by medical staff for cutting can be avoided.
(2) The spring II provided by the invention can ensure that the slide bar is always positioned on the right side of the chute after the motor is stopped, so that the blade is positioned in the cutter groove after cutting is stopped, and the safety in use is improved.
(3) According to the tooth clamping device, the inner hexagonal wrench drives the rotary head to rotate so as to drive the tooth clamping block to move downwards and separate from the rack, and then the extension length of the cutting protection device can be transversely adjusted after the locking screw is loosened, so that the use requirements of the cutting protection device with different lengths are met, and the use requirements of different patients in operation are also met.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the cutting protection device.
Fig. 3 is a schematic structural view of the latch device in fig. 2.
Fig. 4 is a schematic structural view of the driving device.
1-a housing; 2-connecting holes; 3-a cutting guard; 4-a driving device; 5-locking screws; 31-connecting seats; 32-latch means; 33-guide holes; 34-open slot; 35-a movable rod; 36-connecting rod; 37-knife sheath; 38-knife groove; 39-chute; 310-fixed shaft; 311-blades; 321-a movable seat; 322-vertical oblique blocks; 323-vertical cavity; 324-spring one; 325-vertical slots; 326-latch block; 327-transverse ramp; 328-transverse cavity; 329-a screw; 3210-a swivel head; 41-sliding grooves; 42-sliding bar; 43-switch; 44-an electric motor; 45-rotating disc; 46-column; 47-longitudinal grooves; 48-cell; 49-rack; 410-spring two.
Detailed Description
Example 1
As shown in fig. 1, the present embodiment adopts the following technical scheme: a hysteroscope tissue excision device comprises a shell 1, a connecting hole 2, a cutting protection device 3, a driving device 4 and a locking screw 5; a transverse connecting hole 2 is formed in the lower side of the shell 1, and a locking screw 5 is movably connected in a threaded hole formed in the upper left side of the connecting hole 2; the driving device 4 is arranged inside the upper side of the shell 1; the outside of cutting protector 3 right side passes through locking screw 5 fixed connection inside connecting hole 2, cutting protector 3 upper right side links to each other with drive arrangement 4 downside.
Example 2
As shown in fig. 1, the present embodiment adopts the following technical scheme: a hysteroscope tissue excision device comprises a shell 1, a connecting hole 2, a cutting protection device 3, a driving device 4 and a locking screw 5; a transverse connecting hole 2 is formed in the lower side of the shell 1, and a locking screw 5 is movably connected in a threaded hole formed in the upper left side of the connecting hole 2; the driving device 4 is arranged inside the upper side of the shell 1; the outside of cutting protector 3 right side passes through locking screw 5 fixed connection inside connecting hole 2, cutting protector 3 upper right side links to each other with drive arrangement 4 downside.
As shown in fig. 2, the specific structure of the cutting protection device 3 includes a connecting seat 31, a latch device 32, a guide hole 33, an opening slot 34, a movable rod 35, a connecting rod 36, a knife sheath 37, a knife slot 38, a chute 39, a fixed shaft 310 and a knife blade 311; a transverse guide hole 33 is formed in the connecting seat 31, an open slot 34 is formed in the right upper side of the guide hole 33, and a knife sheath 37 is fixedly connected to the left side of the connecting seat 31; the movable rod 35 is transversely and movably connected inside the guide hole 33, the latch device 32 is fixedly connected to the right end part of the movable rod 35, and the left side of the movable rod 35 is hinged with the right side of the connecting rod 36; the upper side of the latch device 32 is connected with the lower side of the driving device 4, and the outside of the latch device 32 is movably connected with the inside of the guide hole 33 and the open slot 34; a knife slot 38 is arranged in the upper side of the knife sheath 37, and the centers of the left side and the right side of the knife slot 38 are fixedly connected with a longitudinal fixing shaft 310; the blade 311 is movably connected inside the cutter slot 38, the left side and the right side of the blade 311 are provided with inclined slots 39 which are parallel to each other and incline to the left, the inclined slots 39 are respectively movably connected outside the corresponding fixed shafts 310, and the right side of the blade 311 is movably connected with the left side of the connecting rod 36.
Wherein, the upper left side of the blade 311 is provided with an arc blade, thereby facilitating the extension cutting of the blade 311.
As shown in fig. 3, the latch device 32 includes a movable seat 321, a vertical inclined block 322, a vertical cavity 323, a first spring 324, a vertical groove 325, a latch block 326, a horizontal inclined block 327, a horizontal cavity 328, a screw 329, and a rotating head 3210; a vertical cavity 323 is formed in the center of the movable seat 321, a vertical groove 325 is formed in the upper side of the movable seat 321, and a transverse cavity 328 is formed in the lower side of the movable seat 321; the inside of the vertical cavity 323 is movably connected with a vertical inclined block 322, and the lower side of the vertical cavity 323 is communicated with the left side of a transverse cavity 328; the outside of the latch block 326 is movably connected inside the vertical groove 325, and the end part of the lower side of the latch block 326 is fixedly connected with the center of the top of the vertical oblique block 322; a first spring 324 is arranged between the top surface of the vertical inclined block 322 and the top surface of the vertical cavity 323; the screw 329 is movably connected to the center of the transverse cavity 328, and a rotating head 3210 is fixedly connected to the right end of the screw 329; the transverse inclined block 327 is movably connected inside the transverse cavity 328, a threaded hole arranged in the center of the transverse inclined block 327 is connected with the screw 329, and an inclined plane on the upper left side of the transverse inclined block 327 is connected with an inclined plane on the lower right side of the vertical inclined block 322.
Wherein, the right side center of the rotating head 3210 is provided with an inner hexagonal hole, thereby being convenient for driving the rotating head to rotate by an inner hexagonal wrench.
Example 3
As shown in fig. 1, the present embodiment adopts the following technical scheme: a hysteroscope tissue excision device comprises a shell 1, a connecting hole 2, a cutting protection device 3, a driving device 4 and a locking screw 5; a transverse connecting hole 2 is formed in the lower side of the shell 1, and a locking screw 5 is movably connected in a threaded hole formed in the upper left side of the connecting hole 2; the driving device 4 is arranged inside the upper side of the shell 1; the outside of cutting protector 3 right side passes through locking screw 5 fixed connection inside connecting hole 2, cutting protector 3 upper right side links to each other with drive arrangement 4 downside.
As shown in fig. 2, the specific structure of the cutting protection device 3 includes a connecting seat 31, a latch device 32, a guide hole 33, an opening slot 34, a movable rod 35, a connecting rod 36, a knife sheath 37, a knife slot 38, a chute 39, a fixed shaft 310 and a knife blade 311; a transverse guide hole 33 is formed in the connecting seat 31, an open slot 34 is formed in the right upper side of the guide hole 33, and a knife sheath 37 is fixedly connected to the left side of the connecting seat 31; the movable rod 35 is transversely and movably connected inside the guide hole 33, the latch device 32 is fixedly connected to the right end part of the movable rod 35, and the left side of the movable rod 35 is hinged with the right side of the connecting rod 36; the upper side of the latch device 32 is connected with the lower side of the driving device 4, and the outside of the latch device 32 is movably connected with the inside of the guide hole 33 and the open slot 34; a knife slot 38 is arranged in the upper side of the knife sheath 37, and the centers of the left side and the right side of the knife slot 38 are fixedly connected with a longitudinal fixing shaft 310; the blade 311 is movably connected inside the cutter slot 38, the left side and the right side of the blade 311 are provided with inclined slots 39 which are parallel to each other and incline to the left, the inclined slots 39 are respectively movably connected outside the corresponding fixed shafts 310, and the right side of the blade 311 is movably connected with the left side of the connecting rod 36.
Wherein, the upper left side of the blade 311 is provided with an arc blade, thereby facilitating the extension cutting of the blade 311.
As shown in fig. 3, the latch device 32 includes a movable seat 321, a vertical inclined block 322, a vertical cavity 323, a first spring 324, a vertical groove 325, a latch block 326, a horizontal inclined block 327, a horizontal cavity 328, a screw 329, and a rotating head 3210; a vertical cavity 323 is formed in the center of the movable seat 321, a vertical groove 325 is formed in the upper side of the movable seat 321, and a transverse cavity 328 is formed in the lower side of the movable seat 321; the inside of the vertical cavity 323 is movably connected with a vertical inclined block 322, and the lower side of the vertical cavity 323 is communicated with the left side of a transverse cavity 328; the outside of the latch block 326 is movably connected inside the vertical groove 325, and the end part of the lower side of the latch block 326 is fixedly connected with the center of the top of the vertical oblique block 322; a first spring 324 is arranged between the top surface of the vertical inclined block 322 and the top surface of the vertical cavity 323; the screw 329 is movably connected to the center of the transverse cavity 328, and a rotating head 3210 is fixedly connected to the right end of the screw 329; the transverse inclined block 327 is movably connected inside the transverse cavity 328, a threaded hole arranged in the center of the transverse inclined block 327 is connected with the screw 329, and an inclined plane on the upper left side of the transverse inclined block 327 is connected with an inclined plane on the lower right side of the vertical inclined block 322.
Wherein, the right side center of the rotating head 3210 is provided with an inner hexagonal hole, thereby being convenient for driving the rotating head to rotate by an inner hexagonal wrench.
As shown in fig. 4, the specific structure of the driving device 4 includes a chute 41, a slide bar 42, a switch 43, a motor 44, a turntable 45, a column 46, a longitudinal slot 47, a battery 48, a rack 49 and a second spring 410; the sliding groove 41 is transversely formed on the upper side of the connecting hole 2, and the inside of the sliding groove 41 is transversely movably connected with the sliding strip 42; a rack 49 is fixedly connected to the bottom of the sliding bar 42, the tooth part of the lower side of the rack 49 is connected with the upper right side of the cutting protection device 3, a longitudinal groove 47 is formed in the upper left side of the sliding bar 42, and a second spring 410 is arranged between the left side of the sliding bar 42 and the left side of the sliding groove 41; the battery 48 is fixedly connected inside the upper right side of the shell 1; the motor 44 is fixedly connected in the upper left side of the shell 1, and a rotary table 45 is fixedly connected on an output shaft at the lower side of the motor 44; the lower side edge of the turntable 45 is fixedly connected with a column 46, and the outside of the column 46 is movably connected inside a longitudinal groove 47; the switch 43 is fixedly connected in a groove arranged on the upper left side of the shell 1, the power input end of the switch 43 is electrically connected with the power output end of the battery 48, and the power output end of the switch 43 is electrically connected with the power input end of the motor 44.
Wherein, the outer surface of the shell 1 is provided with an anti-slip layer, thereby ensuring that the phenomenon of slipping does not occur during use.
The use state of the invention is as follows: the invention has reasonable and simple structure, low production cost and convenient installation and complete functions, when in use, firstly, the knife sheath 37 is integrally moved to the excision position, then the knife slot 38 is abutted against the tissue to be excised, then the switch 43 is pressed down to electrify the motor 44 for rotation, the rotation of the motor 44 drives the turntable 45 to rotate, the rotation of the turntable 45 enables the sliding bar 42 and the rack 49 to transversely and repeatedly move through the column 46 and the longitudinal slot 47, the transversely and repeatedly move of the rack 49 drives the movable rod 35 to transversely and repeatedly move through the latch device 32, the transversely and repeatedly move of the movable rod 35 enables the knife blade 311 to obliquely move along the chute 39 through the connecting rod 36, namely, the knife blade 311 generates transverse and vertical movement, when the knife blade 311 vertically moves, the knife slot 38 is exposed to contact with the tissue to be excised, and simultaneously the knife blade 311 is matched with the transverse movement to facilitate the cutting of the tissue to be excised, the cutting can avoid inconvenience and trouble caused by manual repeated movement of the cutter by medical staff, the second spring 410 can ensure that the sliding bar 42 is always positioned on the right side of the sliding groove 41 after the motor 44 stops, so that the blade 311 is positioned in the cutter groove 38 after the cutting is stopped, the safety in use is improved, the arranged latch device 32 can drive the rotating head 3210 to rotate through an inner hexagonal wrench, the rotating head 3210 can drive the screw 329 to rotate to move right transversely and simultaneously drive the vertical inclined block 322 to drive the latch block 326 to move downwards to separate from the rack 49 under the action of the first spring 324, the length of the extension of the cutting protection device 3 can be transversely adjusted after the locking screw 5 is released, and the use requirements of different lengths of the cutting protection device 3 are met, thus meeting the operation requirements of different patients.
The control mode of the invention is controlled by manual starting or by the existing automation technology, the wiring diagram of the power element and the supply of the power source are common knowledge in the field, and the invention is mainly used for protecting the mechanical device, so the invention does not explain the control mode and the wiring arrangement in detail.
In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
While the basic principles and main features of the present invention and advantages of the present invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims and their equivalents.

Claims (4)

1. A hysteroscope tissue excision device, characterized in that: comprises a shell (1), a connecting hole (2), a cutting protection device (3), a driving device (4) and a locking screw (5);
a transverse connecting hole (2) is formed in the lower side of the shell (1), and a locking screw (5) is movably connected in a threaded hole formed in the upper left side of the connecting hole (2);
the driving device (4) is arranged in the upper side of the shell (1);
the right outer part of the cutting protection device (3) is fixedly connected inside the connecting hole (2) through a locking screw (5), and the right upper side of the cutting protection device (3) is connected with the lower side of the driving device (4);
the specific structure of the cutting protection device (3) comprises a connecting seat (31), a latch device (32), a guide hole (33), an open slot (34), a movable rod (35), a connecting rod (36), a knife sheath (37), a knife slot (38), a chute (39), a fixed shaft (310) and a knife blade (311);
a transverse guide hole (33) is formed in the connecting seat (31), an open slot (34) is formed in the right upper side of the guide hole (33), and a knife sheath (37) is fixedly connected to the left side of the connecting seat (31);
the movable rod (35) is transversely and movably connected inside the guide hole (33), the right end part of the movable rod (35) is fixedly connected with the latch device (32), and the left side of the movable rod (35) is hinged with the right side of the connecting rod (36);
the upper side of the latch device (32) is connected with the lower side of the driving device (4), and the exterior of the latch device (32) is movably connected inside the guide hole (33) and the open slot (34);
a knife slot (38) is formed in the upper side of the knife sheath (37), and a longitudinal fixing shaft (310) is fixedly connected to the centers of the left side and the right side of the knife slot (38);
the blade (311) is movably connected inside the cutter groove (38), the left side and the right side of the blade (311) are provided with inclined grooves (39) which are parallel to each other and incline leftwards, the inclined grooves (39) are respectively and movably connected outside the corresponding fixed shafts (310), and the right side of the blade (311) is movably connected with the left side of the connecting rod (36);
the specific structure of the latch device (32) comprises a movable seat (321), a vertical inclined block (322), a vertical cavity (323), a first spring (324), a vertical groove (325), a latch block (326), a horizontal inclined block (327), a horizontal cavity (328), a screw (329) and a rotating head (3210);
a vertical cavity (323) is formed in the center of the movable seat (321), a vertical groove (325) is formed in the upper side of the movable seat (321), and a transverse cavity (328) is formed in the lower side of the movable seat (321);
the inside of the vertical cavity (323) is movably connected with a vertical inclined block (322), and the lower side of the vertical cavity (323) is communicated with the left side of the transverse cavity (328);
the outside of the latch block (326) is movably connected inside the vertical groove (325), and the end part of the lower side of the latch block (326) is fixedly connected with the center of the top of the vertical inclined block (322);
a first spring (324) is arranged between the top surface of the vertical inclined block (322) and the top surface of the vertical cavity (323);
the screw rod (329) is movably connected to the center of the transverse cavity (328), and the right end part of the screw rod (329) is fixedly connected with a rotating head (3210);
the transverse inclined block (327) is movably connected inside the transverse cavity (328), a threaded hole arranged in the center of the transverse inclined block (327) is connected with the screw (329), and an inclined plane at the upper left side of the transverse inclined block (327) is connected with an inclined plane at the lower right side of the vertical inclined block (322);
the specific structure of the driving device (4) comprises a sliding groove (41), a sliding bar (42), a switch (43), a motor (44), a rotary table (45), a column body (46), a longitudinal groove (47), a battery (48), a rack (49) and a second spring (410);
the sliding groove (41) is transversely formed on the upper side of the connecting hole (2), and the inside of the sliding groove (41) is transversely and movably connected with the sliding strip (42);
a rack (49) is fixedly connected to the bottom of the sliding bar (42), the lower side tooth part of the rack (49) is connected with the upper right side of the cutting protection device (3), a longitudinal groove (47) is formed in the upper left side of the sliding bar (42), and a second spring (410) is arranged between the left side of the sliding bar (42) and the left side of the sliding groove (41);
the battery (48) is fixedly connected in the right upper side of the shell (1);
the motor (44) is fixedly connected in the upper left side of the shell (1), and a rotary table (45) is fixedly connected on an output shaft at the lower side of the motor (44);
the lower side edge of the turntable (45) is fixedly connected with a column body (46), and the outside of the column body (46) is movably connected inside the longitudinal groove (47);
the switch (43) is fixedly connected in a groove arranged on the upper left side of the shell (1), the power input end of the switch (43) is electrically connected with the power output end of the battery (48), and the power output end of the switch (43) is electrically connected with the power input end of the motor (44).
2. A hysteroscopic tissue resecting device as claimed in claim 1, wherein: the upper left side of the blade (311) is provided with an arc blade.
3. A hysteroscopic tissue resecting device as claimed in claim 1, wherein: an inner hexagonal hole is formed in the center of the right side of the rotating head (3210).
4. A hysteroscopic tissue resecting device as claimed in claim 1, wherein: an anti-slip layer is arranged on the outer surface of the shell (1).
CN202210061768.4A 2022-01-19 2022-01-19 Hysteroscope tissue excision device Active CN114209396B (en)

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CN202210061768.4A CN114209396B (en) 2022-01-19 2022-01-19 Hysteroscope tissue excision device

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CN202210061768.4A CN114209396B (en) 2022-01-19 2022-01-19 Hysteroscope tissue excision device

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CN114209396A CN114209396A (en) 2022-03-22
CN114209396B true CN114209396B (en) 2023-08-18

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WO1981001648A1 (en) * 1979-12-07 1981-06-25 J Schwarze Device for effecting a sampling of a conical shaped fragment of tissue of the cervix uteri
US5312429A (en) * 1992-07-27 1994-05-17 Devon Industries, Inc. Scalpel handle and blade release assembly
US5730751A (en) * 1994-03-17 1998-03-24 Noble House Group Pty. Ltd. Scalpel
CN1980607A (en) * 2004-05-13 2007-06-13 克里夫兰诊所基金会 Skin lesion exciser and skin-closure device therefor
DE102004049243A1 (en) * 2004-10-01 2006-04-13 Aesculap Ag & Co. Kg Surgical instrument
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CN203919111U (en) * 2014-06-30 2014-11-05 郑卫 Donkey-hide gelatin cake slicer
CN208121316U (en) * 2018-02-26 2018-11-20 浙江海森纺机科技有限公司 Glove machine scissors mechanism
CN109297746A (en) * 2018-08-29 2019-02-01 蔡莉 Slicing device is used in a kind of production of pathology department's sample
CN112294380A (en) * 2019-08-02 2021-02-02 柯惠Lp公司 Linear suturing device with vertically movable knife
CN113274082A (en) * 2021-06-02 2021-08-20 江苏盛纳凯尔医用科技有限公司 Anorectal anastomat for hemorrhoid excision

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