CN114209396A - Hysteroscope tissue resection device - Google Patents
Hysteroscope tissue resection device Download PDFInfo
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- CN114209396A CN114209396A CN202210061768.4A CN202210061768A CN114209396A CN 114209396 A CN114209396 A CN 114209396A CN 202210061768 A CN202210061768 A CN 202210061768A CN 114209396 A CN114209396 A CN 114209396A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B17/4241—Instruments for manoeuvring or retracting the uterus, e.g. during laparoscopic surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B2017/4216—Operations on uterus, e.g. endometrium
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Abstract
The invention discloses a hysteroscope tissue resection 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 cutter groove can be exposed to be contacted with the tissue to be cut when the blade moves vertically, and the tissue to be cut can be cut conveniently by matching with the transverse movement of the blade, so that the inconvenience and trouble caused by manually and repeatedly moving the cutter by medical personnel to cut can be avoided; the second spring is arranged in the tool groove, so that the slide bar can be always positioned on the right side of the sliding groove after the motor is stopped, the blade is positioned in the tool groove after cutting is stopped, and the safety in use is improved; the clamping tooth device provided by the invention can drive the rotating head to rotate through the inner hexagonal wrench to drive the clamping tooth block to move downwards to be separated from the rack, and then the extending length of the cutting protection device can be transversely adjusted after the locking screw is loosened, so that the requirements of the cutting protection device for use in different lengths are met, and the requirements of different patients for operation use are met.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a hysteroscope tissue resection device.
Background
The hysteroscope is a new and minimally invasive gynecological diagnosis and treatment technology, is a fiber light source endoscope used for examination and treatment in the uterine cavity, and comprises the hysteroscope, an energy system, a light source system, a perfusion system and an imaging system; the front part of the endoscope body enters the uterine cavity, and the endoscope body has an amplification effect on the observed part, so that the endoscope body is visually and accurately a preferred inspection method for gynecological hemorrhagic diseases and intrauterine lesions; the hysteroscope tissue resection system derived from the hysteroscope enters the uterus through the channel of the hysteroscope to resect myoma and polyp, the existing hysteroscope tissue resection device has poor safety during use, and the extension length of the cutter is fixed, so that the hysteroscope tissue resection system is difficult to adapt to the requirements of different patients for operation.
Disclosure of Invention
The invention aims to solve the problems, and provides a hysteroscope tissue resection device, which solves the problems that the existing hysteroscope tissue resection device has poor safety during use, and the extension length of a cutter is fixed, so that the hysteroscope tissue resection device is difficult to adapt to the requirements of different patients for operation.
In order to solve the above problems, the present invention provides a technical solution: the utility model provides a hysteroscope tissue resection device which innovation point lies in: 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 inside the upper side of the shell; the cutting protection device is characterized in that the right side of the cutting protection device is fixedly connected inside the connecting hole through a locking screw, and the upper right side of the cutting protection device is connected with the lower side of the driving device.
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; a transverse guide hole is formed in the connecting seat, an open slot is formed in the right upper side of the guide hole, and a cutter sheath is fixedly connected to the left side of the connecting seat; 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 gear clamping 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 outer part of the latch device is movably connected with the inner parts of the guide hole and the open slot; a cutter groove is formed in the upper side of the cutter sheath, and the centers of the left side and the right side of the cutter groove are fixedly connected with a longitudinal fixed shaft; the blade is movably connected inside the cutter groove, the two sides of the left side and the right side of the blade are respectively provided with inclined grooves which are parallel to each other and inclined towards the left, the inclined grooves are respectively and movably connected outside the corresponding fixed shafts, and the right side of the blade is movably connected with the left side of the connecting rod.
Preferably, the left upper side of the blade is provided with a circular arc blade 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; a vertical cavity is formed in the center of the movable seat, 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 inner part of the vertical cavity is 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 outer part of the latch block is movably connected inside the vertical groove, and the lower end part of the latch block is fixedly connected with the center of the top of the vertical inclined 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 inside the horizontal cavity, a threaded hole formed in the center of the horizontal sloping block is connected with the screw rod, and the inclined plane of the upper left side of the horizontal sloping block is connected with the inclined plane of the lower right side of the vertical sloping block.
Preferably, the center of the right side of the rotating head is provided with a hexagon socket.
Preferably, the specific structure of the driving device comprises a sliding groove, a sliding strip, a switch, a motor, a rotary table, a cylinder, a longitudinal groove, a battery, a rack and a second spring; the sliding groove is transversely formed in the upper side of the connecting hole, and the inner part of the sliding groove is transversely movably connected to the sliding strip; the bottom of the sliding strip is fixedly connected with a rack, a tooth part on the lower side of the rack is connected with the upper right side of the cutting protection device, a longitudinal groove is formed in the upper left side of the sliding strip, and a second spring is arranged between the left side of the sliding strip and the left side of the sliding groove; the battery is fixedly connected to the inside of the right upper side of the shell; the motor is fixedly connected inside the upper left side of the shell, and a rotary table is fixedly connected to an output shaft at the lower side of the motor; a cylinder is fixedly connected to the lower edge of the rotary table, and the outer part of the cylinder is movably connected to the inner part of the longitudinal groove; switch fixed connection is in the recess that the upper left side of shell set up, the power input end of switch is connected with the power output end electricity of battery, the power output end of switch is connected with the power input end electricity of motor.
Preferably, the outer surface of the shell 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 groove can be exposed to be contacted with the tissue to be cut when the blade moves vertically, and the tissue to be cut can be conveniently cut by matching with the transverse movement of the blade, so that the inconvenience and trouble caused by manually moving the knife repeatedly by medical personnel to cut can be avoided.
(2) The second spring is arranged in the cutter groove, so that the slide bar can be always positioned on the right side of the sliding groove after the motor stops, the cutter blade is positioned in the cutter groove after cutting is stopped, and the safety in use is improved.
(3) The clamping tooth device provided by the invention can drive the rotating head to rotate through the inner hexagonal wrench to drive the clamping tooth block to move downwards to be separated from the rack, and then the extending length of the cutting protection device can be transversely adjusted after the locking screw is loosened, so that the requirements of the cutting protection device for use in different lengths are met, and the requirements of different patients for operation use are met.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the cutting guard.
Fig. 3 is a schematic structural view of the latch device in fig. 2.
Fig. 4 is a schematic structural diagram of the driving device.
1-a housing; 2-connecting holes; 3-cutting the guard; 4-a drive device; 5-locking the screw; 31-a connecting seat; 32-a latch device; 33-a guide hole; 34-an open slot; 35-a movable rod; 36-a connecting rod; 37-a blade sheath; 38-knife grooves; 39-chute; 310-a fixed shaft; 311-a blade; 321-a movable seat; 322-vertical swash block; 323-vertical cavity; 324-spring one; 325-vertical groove; 326-a latch block; 327-transverse swash block; 328-a transverse cavity; 329-screw; 3210-rotating head; 41-a chute; 42-a slide bar; 43-a switch; 44-a motor; 45-rotating disc; 46-a column; 47-longitudinal grooves; 48-a battery; 49-rack; 410-spring two.
Detailed Description
Example 1
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: a hysteroscope tissue resection 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 the right side of the cutting protection device 3 is fixedly connected inside the connecting hole 2 through a locking screw 5, and the upper right side of the cutting protection device 3 is connected with the lower side of the driving device 4.
Example 2
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: a hysteroscope tissue resection 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 the right side of the cutting protection device 3 is fixedly connected inside the connecting hole 2 through a locking screw 5, and the upper right side of the cutting protection device 3 is connected with the lower side of the driving device 4.
As shown in fig. 2, the specific structure of the cutting guard 3 includes a connecting seat 31, a latch device 32, a guide hole 33, an open groove 34, a movable rod 35, a connecting rod 36, a knife sheath 37, a knife groove 38, a chute 39, a fixed shaft 310 and a 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 cutter sheath 37 is fixedly connected to the left side of the connecting seat 31; the movable rod 35 is transversely movably connected inside the guide hole 33, the end part of the right side 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 outside of the latch device 32 is movably connected with the inner parts of the guide hole 33 and the open slot 34; a cutter groove 38 is formed in the upper side of the cutter sheath 37, and the centers of the left side and the right side of the cutter groove 38 are fixedly connected with a longitudinal fixed shaft 310; the blade 311 is movably connected inside the blade groove 38, two oblique grooves 39 which are parallel to each other and incline to the left are respectively formed on the left side and the right side of the blade 311, the oblique 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.
Wherein, the left upper side of the blade 311 is provided with a circular arc blade, thereby facilitating the extension cutting of the blade 311.
As shown in fig. 3, the specific structure of 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 arranged in the center of the movable seat 321, a vertical groove 325 is arranged in the upper side of the movable seat 321, and a transverse cavity 328 is arranged in the lower side of the movable seat 321; a vertical inclined block 322 is movably connected inside the vertical cavity 323, 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 lower end part 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 329 is movably connected to the center of the transverse cavity 328, and the right end of the screw 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 formed in the center of the transverse inclined block 327 is connected with a screw 329, and an inclined surface of the left upper side of the transverse inclined block 327 is connected with an inclined surface of the right lower side of the vertical inclined block 322.
An inner hexagonal hole is formed in the center of the right side of the rotating head 3210, so that the rotating head is driven to rotate by an inner hexagonal wrench.
Example 3
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: a hysteroscope tissue resection 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 the right side of the cutting protection device 3 is fixedly connected inside the connecting hole 2 through a locking screw 5, and the upper right side of the cutting protection device 3 is connected with the lower side of the driving device 4.
As shown in fig. 2, the specific structure of the cutting guard 3 includes a connecting seat 31, a latch device 32, a guide hole 33, an open groove 34, a movable rod 35, a connecting rod 36, a knife sheath 37, a knife groove 38, a chute 39, a fixed shaft 310 and a 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 cutter sheath 37 is fixedly connected to the left side of the connecting seat 31; the movable rod 35 is transversely movably connected inside the guide hole 33, the end part of the right side 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 outside of the latch device 32 is movably connected with the inner parts of the guide hole 33 and the open slot 34; a cutter groove 38 is formed in the upper side of the cutter sheath 37, and the centers of the left side and the right side of the cutter groove 38 are fixedly connected with a longitudinal fixed shaft 310; the blade 311 is movably connected inside the blade groove 38, two oblique grooves 39 which are parallel to each other and incline to the left are respectively formed on the left side and the right side of the blade 311, the oblique 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.
Wherein, the left upper side of the blade 311 is provided with a circular arc blade, thereby facilitating the extension cutting of the blade 311.
As shown in fig. 3, the specific structure of 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 arranged in the center of the movable seat 321, a vertical groove 325 is arranged in the upper side of the movable seat 321, and a transverse cavity 328 is arranged in the lower side of the movable seat 321; a vertical inclined block 322 is movably connected inside the vertical cavity 323, 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 lower end part 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 329 is movably connected to the center of the transverse cavity 328, and the right end of the screw 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 formed in the center of the transverse inclined block 327 is connected with a screw 329, and an inclined surface of the left upper side of the transverse inclined block 327 is connected with an inclined surface of the right lower side of the vertical inclined block 322.
An inner hexagonal hole is formed in the center of the right side of the rotating head 3210, so that the rotating head is driven to rotate by an inner hexagonal wrench.
As shown in fig. 4, the specific structure of the driving device 4 includes a sliding slot 41, a sliding bar 42, a switch 43, a motor 44, a rotating disc 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 arranged 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 strip 42, a tooth part on 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 strip 42, and a second spring 410 is arranged between the left side of the sliding strip 42 and the left side of the sliding groove 41; the battery 48 is fixedly connected to the inner part of the upper right side of the shell 1; the motor 44 is fixedly connected to the inside of the upper left side of the shell 1, and an output shaft at the lower side of the motor 44 is fixedly connected with a turntable 45; a column 46 is fixedly connected to the lower edge of the turntable 45, and the outside of the column 46 is movably connected to the inside of the longitudinal groove 47; the switch 43 is fixedly connected in a groove arranged at the left upper side of the shell 1, a power input end of the switch 43 is electrically connected with a power output end of the battery 48, and a power output end of the switch 43 is electrically connected with a 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 can not occur when in use.
The using state of the invention is as follows: the invention has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, when in use, firstly, the whole knife sheath 37 is moved to the cutting position, then the knife groove 38 leans against the tissue to be cut, then the switch 43 is pressed 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 drives the sliding strip 42 and the rack 49 to transversely reciprocate through the column 46 and the longitudinal groove 47, the transverse reciprocating motion of the rack 49 drives the movable rod 35 to transversely reciprocate through the latch device 32, the transverse reciprocating motion of the movable rod 35 enables the blade 311 to obliquely move along the inclined groove 39 direction through the connecting rod 36, namely the blade 311 generates transverse and vertical motion, the knife groove 38 is exposed when the blade 311 vertically moves to be contacted with the tissue to be cut, and simultaneously, the transverse motion of the blade 311 is matched to facilitate the cutting of the tissue to be cut, excise like this and can avoid medical personnel's manual inconvenience and trouble that removes the cutter repeatedly and excise and bring, spring two 410 that sets up here, can ensure to make the draw runner 42 be located spout 41 right side all the time after motor 44 stops, thereby guarantee to stop that excision back blade 311 is located sword inslot 38 inside, the security when using has also been improved, and the latch device 32 of setting, can drive rotating head 3210 rotatory through hexagon socket wrench, horizontal sloping block 327 moves to the right when rotating head 3210's rotation then drives screw 329 rotatory makes vertical sloping block 322 drive latch block 326 move down with rack 49 phase separation simultaneously under the effect of spring 324, then just can transversely adjust the length that cutting protector 3 stretched out after loosening locking screw 5, thereby the needs that cutting protector 3 used with different length have been satisfied, the needs that different patients used in the operation have also been satisfied.
In the case of the control mode of the invention, which is controlled by manual actuation or by means of existing automation techniques, the wiring diagram of the power elements and the provision of power are known in the art and the invention is primarily intended to protect the mechanical means, so that the control mode and wiring arrangement are not explained in detail in the present invention.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a hysteroscope tissue resection device which 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 left upper side of the connecting hole (2);
the driving device (4) is arranged inside the upper side of the shell (1);
the cutting protection device (3) is fixedly connected to the inside of the connecting hole (2) through a locking screw (5) in the right side, and the upper right side of the cutting protection device (3) is connected with the lower side of the driving device (4).
2. A hysteroscopic tissue resection device of claim 1, wherein: the specific structure of the cutting protection device (3) comprises a connecting seat (31), a latch device (32), a guide hole (33), an open groove (34), a movable rod (35), a connecting rod (36), a knife sheath (37), a knife groove (38), a chute (39), a fixed shaft (310) and a blade (311);
a transverse guide hole (33) is formed in the connecting seat (31), an open groove (34) is formed in the right upper side of the guide hole (33), and a cutter sheath (37) is fixedly connected to the left side of the connecting seat (31);
the movable rod (35) is transversely movably connected inside the guide hole (33), the end part of the right side of the movable rod (35) is fixedly connected with a 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 outside of the latch device (32) is movably connected with the insides of the guide hole (33) and the open slot (34);
a cutter groove (38) is formed in the upper side of the cutter sheath (37), and the centers of the left side and the right side of the cutter groove (38) are fixedly connected with a longitudinal fixed shaft (310);
the blade (311) is movably connected inside the cutter groove (38), the two sides of the left side and the right side of the blade (311) are respectively provided with a chute (39) which is parallel to each other and inclines to the left, the chutes (39) are respectively and movably connected outside the corresponding fixed shaft (310), and the right side of the blade (311) is movably connected with the left side of the connecting rod (36).
3. A hysteroscopic tissue resection device of claim 2, wherein: the left upper side of the blade (311) is provided with an arc blade.
4. A hysteroscopic tissue resection device of claim 2, wherein: 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 transverse inclined block (327), a transverse cavity (328), a screw rod (329) and a rotating head (3210);
a vertical cavity (323) is arranged in the center of the movable seat (321), a vertical groove (325) is arranged in the upper side of the movable seat (321), and a transverse cavity (328) is arranged in the lower side of the movable seat (321);
a vertical inclined block (322) is movably connected inside the vertical cavity (323), and the lower side of the vertical cavity (323) is communicated with the left side of the transverse cavity (328);
the outer part of the clamping tooth block (326) is movably connected inside the vertical groove (325), and the lower side end part of the clamping tooth 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 horizontal oblique block (327) is movably connected inside the horizontal cavity (328), a threaded hole formed in the center of the horizontal oblique block (327) is connected with a screw rod (329), and an inclined plane on the left upper side of the horizontal oblique block (327) is connected with an inclined plane on the right lower side of the vertical oblique block (322).
5. A hysteroscopic tissue resection device of claim 4, wherein: the center of the right side of the rotating head (3210) is provided with an inner hexagonal hole.
6. A hysteroscopic tissue resection device of claim 1, wherein: the specific structure of the driving device (4) comprises a sliding groove (41), a sliding strip (42), a switch (43), a motor (44), a turntable (45), a cylinder (46), a longitudinal groove (47), a battery (48), a rack (49) and a second spring (410);
the sliding groove (41) is transversely formed in the upper side of the connecting hole (2), and the inside of the sliding groove (41) is transversely movably connected to the sliding strip (42);
the bottom of the sliding strip (42) is fixedly connected with a rack (49), a tooth part on 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 strip (42), and a second spring (410) is arranged between the left side of the sliding strip (42) and the left side of the sliding groove (41);
the battery (48) is fixedly connected to the inside of the right upper side of the shell (1);
the motor (44) is fixedly connected to the inner part of the left upper side of the shell (1), and an output shaft at the lower side of the motor (44) is fixedly connected with a turntable (45);
a cylinder (46) is fixedly connected to the edge of the lower side of the turntable (45), and the outer part of the cylinder (46) is movably connected to the inner part of the longitudinal groove (47);
switch (43) fixed connection is in the recess that shell (1) upper left side set up, the power input of switch (43) is connected with the power output of battery (48) electricity, the power output of switch (43) is connected with the power input of motor (44) electricity.
7. A hysteroscopic tissue resection device of claim 1, wherein: and an anti-skid layer is arranged on the outer surface of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210061768.4A CN114209396B (en) | 2022-01-19 | 2022-01-19 | Hysteroscope tissue excision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210061768.4A CN114209396B (en) | 2022-01-19 | 2022-01-19 | Hysteroscope tissue excision device |
Publications (2)
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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 |
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| DE102004049243A1 (en) * | 2004-10-01 | 2006-04-13 | Aesculap Ag & Co. Kg | Surgical instrument |
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| CN112294380A (en) * | 2019-08-02 | 2021-02-02 | 柯惠Lp公司 | Linear suturing device with vertically movable knife |
| US20210282839A1 (en) * | 2020-03-16 | 2021-09-16 | Covidien Lp | Forceps with linear trigger mechanism |
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