CN213606847U - Cervical cutting scalpel - Google Patents
Cervical cutting scalpel Download PDFInfo
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- CN213606847U CN213606847U CN202022262168.3U CN202022262168U CN213606847U CN 213606847 U CN213606847 U CN 213606847U CN 202022262168 U CN202022262168 U CN 202022262168U CN 213606847 U CN213606847 U CN 213606847U
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Abstract
The disclosure relates to the technical field of medical treatment, and provides a cervical cutting scalpel. The scalpel comprises an electrode knife, a spiral shaft, a spiral sleeve, a front fixing sleeve and a rear fixing sleeve; the spiral sleeve is connected with the rear fixed sleeve, the spiral shaft is in spiral fit connection with the spiral sleeve, the front fixed sleeve is in axial sliding fit connection with the rear fixed sleeve, a first limiting part is arranged in the front fixed sleeve, a second limiting part which forms axial limiting fit with the first limiting part is arranged on the periphery of the spiral shaft, and the rear end of the electrode knife penetrates through the front end of the front fixed sleeve and is connected with the spiral shaft; an axial force is applied between the screw shaft and the screw sleeve, and under the screw connection and matching of the screw shaft and the screw sleeve, the screw shaft is driven to rotate due to the fact that the first limiting part and the second limiting part are matched to limit the axial movement of the screw shaft, and finally the electrode knife is driven to rotate for 360 degrees to perform circular cutting operation.
Description
Technical Field
The disclosure relates to the technical field of medical treatment, in particular to a cervical cutting scalpel.
Background
In gynecology, a special department for diagnosing and treating female gynecological diseases usually needs to use a scalpel for operation when a gynecological cervical operation is performed.
The traditional scalpel is not high in precision, and a hemostasis problem can be caused when the traditional scalpel is used for cutting; the utility model discloses a hemostatic tissue cutting instrument, including the utility model discloses a hemostatic tissue, the utility model discloses a hemostatic tissue cutting instrument, the utility model discloses a 360 ring cuts smoothly on the utility model discloses a take the operating handle.
Aiming at the gynecological cervical surgery, a scalpel convenient for a doctor to perform a girdling operation is designed, and the technical problem which needs to be solved urgently in the prior art is solved.
SUMMERY OF THE UTILITY MODEL
The purpose of the present disclosure is to provide a cervical cutting scalpel, which facilitates a circular cutting operation on the cervix.
In order to achieve the above object, the present disclosure provides a cervical cutting scalpel, which comprises an electrode knife, a screw shaft, a screw sleeve, a front fixing sleeve and a rear fixing sleeve;
the spiral shell with back fixed cover is connected, the screw axis with spiral shell screw fit connects, preceding fixed cover with back fixed cover axial sliding fit connects, be provided with first spacing portion in the preceding fixed cover, the periphery of screw axis be provided with first spacing portion constitutes the spacing portion of the spacing complex second of axial, the rear end of electrode sword pass the front end of preceding fixed cover and with the screw axis is connected.
Optionally, ratchets are arranged on the periphery of the screw shaft, an opening is formed in the position, corresponding to the ratchets, of the front fixing sleeve, a pawl matched with the ratchets is arranged in the opening, and the ratchets are matched with the pawl to limit unidirectional rotation of the screw shaft.
Optionally, the pawl is rotatably connected with the two side walls of the opening, so that the pawl is far away from the ratchet teeth or matched with the ratchet teeth.
Optionally, the periphery of preceding fixed cover rotates and is connected with the swivel becket, the inner wall of swivel becket correspond uncovered be provided with pawl complex kicking block, the swivel becket is used for driving the kicking block drive the pawl rotates.
Optionally, a connecting sleeve is arranged at the front end of the front fixing sleeve, a limiting step is further arranged at the rear position of the rotating ring of the front fixing sleeve, and the limiting step and the connecting sleeve are used for limiting the rotation of the rotating ring.
Optionally, a return spring is arranged between the front fixing sleeve and the rear fixing sleeve.
Optionally, the electrode cutter further comprises a conductive sleeve and a power connection pin, the screw shaft is provided with a through hole in the axial direction, the conductive sleeve penetrates through the through hole, the rear end of the electrode cutter is connected with the conductive sleeve, the power connection pin is arranged in the rear fixing sleeve, the front end of the power connection pin is connected with the conductive sleeve, and the rear end of the power connection pin is connected with the conductive wire.
Optionally, the rear end of the rear fixing sleeve is provided with a step hole, the power connection pin is provided with a stage matched with the step hole, the rear end of the power connection pin is opposite to the rear end of the rear fixing sleeve and extends out, the rear end of the power connection pin is provided with a fastening nut, and the fastening nut is used for connecting a conductive wire.
Optionally, still include the handle of U type, the both ends of handle correspond with preceding fixed cover with the fixed cover of back is connected, the interval is variable between the both ends of handle.
Optionally, the handle is resilient.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages: in this application, through fixed cover before the drive and the fixed cover relative slip of back emergence to exert an axial force between screw shaft and the spiral shell, under the screw connection cooperation of screw shaft and spiral shell, because of the spacing portion cooperation of first spacing portion and second has restricted the screw shaft at the ascending removal of axial, the axial force decomposes, and fixed cover and spiral shell motion after some drives, and some drive screw shaft takes place to rotate, finally realizes that 360 rotations of drive electrode sword carry out the circumferential cutting operation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a front view of a scalpel provided in accordance with an embodiment of the present disclosure;
FIG. 2 is a perspective view of a scalpel provided by the embodiments of the present disclosure with the handle not shown;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is an exploded perspective view of the front fixing sleeve and its peripheral connecting member of fig. 2;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a perspective view of the screw shaft, ratchet, pawl and rotating ring of FIG. 2;
FIG. 7 is a first side view of FIG. 6;
FIG. 8 is a second side view of FIG. 6;
fig. 9 is an exploded perspective view of the rear fixing sleeve and its peripheral connector of fig. 2;
fig. 10 is a cross-sectional view C-C of fig. 9.
Wherein, 1, an electrode knife; 101. an electrode rod; 102. a conductive filament; 2. a screw shaft; 201. a second limiting part; 202. a ratchet; 203. a pawl; 204. an extension block; 205. a rotating shaft; 3. a spiral sleeve; 4. a front fixing sleeve; 401. a first limiting part; 402. opening the mouth; 403. a groove; 404. a threaded segment; 405. connecting sleeves; 406. a limiting step; 5. fixing a sleeve; 6. a rotating ring; 601. a top block; 7. a return spring; 8. a conductive sleeve; 9. a power coupling pin; 10. fastening a nut; 11. a wire guide sleeve; 12. a handle; 13. and a locking sleeve.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the cervical cutting scalpel provided by the present disclosure includes an electrode knife 1, a screw shaft 2, a screw sleeve 3, a front fixing sleeve 4 and a rear fixing sleeve 5; the outer wall of the spiral shaft 2 is provided with external spiral threads, and the inner wall of the spiral sleeve 3 is provided with internal spiral threads; the spiral sleeve 3 and the rear fixing sleeve 5 can be of an integrated structure, and the spiral sleeve 3 and the rear fixing sleeve 5 can also be fixed in a subsequent connection mode; the electrode knife 1 is a sharp knife in the prior art, the electrode knife 1 comprises an electrode rod 101, a conductive wire 102 is arranged at the front end of the electrode rod 101, the rear end of the electrode rod 101 is connected with a power supply device, the conductive wire 102 is used for cutting pathological change tissues in an electrified mode, the spiral shaft 2 is a bearing device of the electrode knife 1, and a through hole matched with the electrode rod 101 is formed in the center of the spiral shaft 2;
the front fixing sleeve 4 and the rear fixing sleeve 5 form sliding fit, and the sliding fit mode is two; one is that the rear outer wall of the front fixed sleeve 4 is matched with the front inner wall of the rear fixed sleeve 5, the spiral sleeve 3 is arranged on the rear inner wall of the rear fixed sleeve 5, the spiral shaft 2 and the spiral sleeve 3 form spiral connection matching and extend into the front fixed sleeve 4; one is that the rear inner wall of the front fixed sleeve 4 is matched with the front outer wall of the rear fixed sleeve 5, the spiral sleeve 3 is arranged on the front inner wall of the rear fixed sleeve 5, the spiral shaft 2 and the spiral sleeve 3 form spiral connection matching and extend into the front fixed sleeve 4; both ways achieve the same purpose, but the former requires a longer length of the screw shaft 2, so the preferred way is the latter, i.e. as shown in fig. 1, 2 and 3;
the inner wall of the front fixed sleeve 4 is provided with a first limiting part 401, the periphery of the front end of the screw shaft 2 is provided with a second limiting part 201 which forms axial limiting fit with the first limiting part 401, the first limiting part 401 and the second limiting part 201 are matched for limiting the screw shaft 2 to rotate only but not to displace axially, the first limiting part 401 can be arranged in the form of an annular clamping groove or a clamping block, and the second limiting part 201 can be arranged in the form of a clamping block or an annular clamping groove, so that the axial limiting fit is realized.
Compared with the prior art, relative sliding occurs between the front fixing sleeve 4 and the rear fixing sleeve 5 through driving in the application, so that an axial force is applied between the screw shaft 2 and the screw sleeve 3, under the screw connection matching of the screw shaft 2 and the screw sleeve 2, the screw shaft 2 is limited to move in the axial direction due to the matching of the first limiting part 401 and the second limiting part 201, the axial force is decomposed, one part drives the rear fixing sleeve 5 and the screw sleeve 3 to move, one part drives the screw shaft 2 to rotate, and finally the girdling operation is performed by driving the electrode knife to rotate for 360 degrees.
In some embodiments, as shown in fig. 4 to 8, the screw shaft 2 is provided with ratchet teeth 202 on its outer circumference, the front fixing sleeve 4 is provided with an opening 402 at a position corresponding to the ratchet teeth 202, a pawl 203 engaged with the ratchet teeth 202 is provided in the opening 402, the ratchet teeth 202 and the pawl 203 constitute a ratchet mechanism, the rotation direction of the screw shaft 2 after the ratchet teeth 202 and the pawl 203 are engaged is consistent with the rotation direction of the screw shaft 2 relative to the screw sleeve 3 when an axial force is applied, and the ratchet teeth 202 and the pawl 203 are engaged to limit the unidirectional rotation of the screw shaft 2.
In the above technical solution, preferably, the arrangement position of the ratchet 202 is set at the periphery of the second limiting part 201, that is, the ratchet 202 is located at the periphery of the front end of the screw shaft 2, so that the length space of the screw shaft 2 is reasonably utilized; when the circular cutting operation is performed in the operation process, the ratchets 202 and the pawls 203 are matched to limit that the spiral shaft 2 can only rotate in a single direction, namely, the electrode knife 1 cannot rotate, so that the damage to a cutting point caused by the rotation of the electrode knife 1 is avoided, after the operation is completed, the pawls 203 are adjusted to be far away from the ratchets 202, and then the operation is performed to enable the rear fixing sleeve 5 to slide relative to the front fixing sleeve 4, so that the spiral shaft 2 rotates, and the rear fixing sleeve 5 and the spiral sleeve 3.
In some embodiments, as shown in fig. 4 to 8, the front fixing sleeve 4 is provided with grooves 403 on both sides of the opening 402, the upper portion of the pawl 203 is provided with an extension block 204, both sides of the extension block 204 are provided with rotating shafts 205 engaged with the grooves 403, and the rotating shafts 205 rotate relative to the grooves 403 to make the pawl 203 away from the ratchet 202 or engaged with the ratchet 202, so as to switch between the engaged state and the disengaged state of the pawl 203 and the ratchet 202.
In the above technical solution, the structure formed by the opening 402 and the groove 403 is used for installing the extension block 204 and the rotation shaft 205, the rotation shaft 205 rotates relative to the groove 403, the extension block 204 drives the pawl 203 to cooperate with the ratchet 202, so as to limit the one-way rotation of the screw shaft 2, the extension block 204 drives the pawl 203 to be far away from the ratchet 202, so that the screw shaft 2 can rotate; besides the above manner, other manners may also be adopted to rotatably connect the pawl 203 with the two side walls of the opening 402, for example, elastic bumps are arranged on the two sides of the pawl 203, and then the pawl 203 is embedded in the opening 402, and the elastic bumps form a rotation axis, so that the pawl 203 can rotate.
In some embodiments, as shown in fig. 4 to 8, the outer periphery of the front fixing sleeve 4 is rotatably connected with a rotating ring 6, and the rotating ring 6 and the front fixing sleeve 4 form a rotating fit, preferably, a certain static friction force exists between the two, so that the two can not easily rotate; the inner wall of the rotating ring 6 is provided with a top block 601 corresponding to the opening 402 and cooperating with the extending block 204, and the rotating ring 6 rotates to drive the top block 601 to drive the extending block 204 to move, so that the rotating shaft 205 rotates relative to the groove 403, so that the pawl 203 is far away from the ratchet 202 or cooperating with the ratchet 202.
In the above technical solution, when the rotating ring 6 is rotated, the top block 601 on the rotating ring 6 will shift the extending block 204, and at this time, the rotating shaft 205 is driven to rotate relative to the groove 103, so as to realize that the adjusting pawl 203 is far away from the ratchet 202, as shown in fig. 8, or is engaged with the ratchet 202, as shown in fig. 7.
In some embodiments, as shown in fig. 4 to 8, a threaded section 404 is disposed at the front end of the front fixing sleeve 4, an external thread is disposed on the outer circumference of the threaded section 404, a connection sleeve 405 is disposed on the outer circumference of the threaded section 404, the connection sleeve 405 may be bullet-shaped, the tip of the connection sleeve 405 is a front end, which is provided with a through hole for the electrode rod 101 to pass through, a limit step 406 is further disposed on the outer circumference of the front fixing sleeve 4, and the rotating ring 6 is disposed between the limit step 406 and the connection sleeve 405.
In the technical scheme, the connecting sleeve 405 and the thread section 404 form threaded connection and matching, the connecting sleeve 405 plays a role in plugging the front end of the front fixing sleeve 4, meanwhile, the connecting sleeve 405 and the limiting step 406 are matched to play a role in limiting the rotating ring 6, when the spiral shaft 2 needs to rotate in one direction, the pawl 203 is adjusted to be matched with the ratchet 202 through the rotating ring 6, the top block 601 and the extension block 204, and the rotating ring 6 is locked through the connecting sleeve 405 at the moment so as not to easily rotate; when the turning of the screw shaft 2 is required, the connecting sleeve 405 is adjusted to release the locking state of the rotating ring 6, and the pawl 203 is adjusted to be away from the ratchet 202 through the rotating ring 6, the top block 601 and the extension block 204.
In some embodiments, as shown in fig. 3, a return spring 7 is disposed between the front fixing sleeve 4 and the rear fixing sleeve 5, and preferably, a limiting step is disposed in the front fixing sleeve 4, if the first limiting portion 401 is in the form of an annular groove, a groove wall of the annular groove near the rear end can be used as the limiting step, and the return spring 7 is disposed between the limiting step and the front end of the rear fixing sleeve 5, so that the inner space of the front fixing sleeve 4 and the inner space of the rear fixing sleeve 5 are reasonably utilized.
In the above technical scheme, after the operation is completed, the adjusting pawl 203 is far away from the ratchet 202, and the reset of the front fixing sleeve 4 and the rear fixing sleeve 5 can be completed by the reset spring 7, so that the operation of medical staff is facilitated.
In some embodiments, as shown in fig. 9 and 10, the screw shaft further includes a conductive sleeve 8 and a coupling pin 9, the conductive sleeve 8 is fitted into a through hole of the screw shaft 2, the electrode rod 101 is fitted into an inner hole of the conductive sleeve 8, the coupling pin 9 is disposed in the rear fixing sleeve 5, a front end of the coupling pin 9 is fitted into the inner hole of the conductive sleeve 8, and a rear end of the coupling pin 9 is connected to a conductive wire.
In the technical scheme, the electrode rod 101, the conductive sleeve 8 and the connecting pin 9 are all made of conductive materials, the rest parts are all made of non-conductive materials, the conductive sleeve 8 and the spiral shaft 2 can be fixedly connected, and the conductive sleeve 8 plays a role in facilitating replacement of the electrode knife 1; when an operation is performed, the rear fixing sleeve 5 can drive the power connection pin 9 to move relatively along the conductive sleeve 8, so that the power supply for the electrode knife 1 is kept.
In some embodiments, as shown in fig. 9 and 10, the rear end of the rear fixing sleeve 5 is provided with a stepped hole comprising a large diameter hole and a small diameter hole from front to rear, the electricity coupling pin 9 is provided with a step stage matched with the stepped hole, the front end of the electricity coupling pin 9 is matched with the conductive sleeve 8, a stepped section of the electricity coupling pin 9 is matched with the stepped hole to limit that the electricity coupling pin 9 cannot move towards the rear end relative to the rear fixing sleeve 5, the rear end of the electricity coupling pin 9 protrudes relative to the rear end of the rear fixing sleeve 5, the rear end of the electricity coupling pin 9 is provided with a fastening nut 10, and the fastening nut 10 is used for connecting a conductive wire.
In the technical scheme, the connecting pin 9 is detachably connected with the rear fixing sleeve 5 through the step hole, the step stage and the fastening nut 10; before the fastening nut 10 is installed, the conductive wire can be wound at the rear end of the power connection pin 9, and then the conductive wire is tightly pressed and fixed through the fastening nut 10, and finally the whole line is connected in series.
In some embodiments, as shown in fig. 9 and 10, the wire sleeve 11 and the locking sleeve 13 are further included, the wire sleeve 11 is used for arranging the conductive wire, the wire sleeve 11 is connected with the rear end of the rear fixing sleeve 5, and the locking sleeve 13 is used for locking the wire sleeve 11 with the rear end of the rear fixing sleeve 5.
In the technical scheme, the conducting wire firstly penetrates through the conducting wire sleeve 11 and then is connected with the rear end of the power connection pin 9, the conducting wire sleeve 11 plays a role in restraining and protecting the conducting wire, and after the fastening nut 10 is in threaded connection with the rear end of the power connection pin 9, the conducting wire sleeve 11 is inserted into the mounting hole in the rear end of the rear fixing sleeve 5 to complete pre-connection; the rear end periphery of the rear fixed sleeve 5 is provided with external threads, the periphery of the wire sleeve 11 is provided with an outward flange, the rear end of the locking sleeve 13 is provided with an inward flange corresponding to the outward flange, and after the locking sleeve 13 is in threaded connection with the rear end periphery of the rear fixed sleeve 5, the inward flange is limited in outward flange formation, so that the wire sleeve 11 is locked and fixed.
In some embodiments, as shown in fig. 1, the device further comprises a U-shaped handle 12, the handle 12 extends from the outer wall of the front fixing sleeve 4 to the outer wall of the rear fixing sleeve 5, and two ends of the handle 12 can be forced to relatively displace; the handle 12 is used for hand-held application of a driving force, and preferably, the front part of the handle 12 is made of a hard material, and the rear part of the handle 12 is made of a deformable material. Except for the mode of adopting the U-shaped handle 12, other modes can be adopted to facilitate the medical staff to hold and use the scalpel disclosed by the invention, for example, a holding flanging is arranged on the periphery of the rear part of the front fixing sleeve 4, the holding flanging is equivalent to the flanging part at the rear end of the needle cylinder in the prior art, the holding flanging is convenient for the medical staff to operate, and the rear fixing sleeve 5 is driven to slide relative to the front fixing sleeve 4.
In the technical scheme, the inner wall of the rear part of the front fixing sleeve 4 is matched with the outer wall of the front part of the rear fixing sleeve 5, the spiral sleeve 3 is arranged at the front part of the rear fixing sleeve 5, the spiral shaft 2 and the spiral sleeve 3 form spiral connection matching and extend into the front fixing sleeve 4, and the rear fixing sleeve 5 is relatively far away from the front fixing sleeve 4 at the initial position; during operation, a medical worker holds the handle 12 to enable the electrode knife 1 to reach a cutting point, then holds the palm tightly to enable the rear part of the handle 12 to be tightened relative to the front part of the handle 12, at the moment, an axial force is applied between the spiral shaft 2 and the spiral sleeve 3 through the rear fixing sleeve 5, the rear fixing sleeve 5 is relatively close to the front fixing sleeve 4, and finally the electrode knife 1 is rotated to perform circular cutting operation; after the operation is finished, the adjusting pawl 203 is far away from the ratchet 202, the front fixing sleeve 4 and the rear fixing sleeve 5 can be reset by the reset spring 7, and the handle 12 is also restored to the initial state.
It is noted that, herein, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions; wherein the front end is the one end towards the operation cutting point, and the rear end is the one end of keeping away from the operation cutting point. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A cervix cutting scalpel is characterized by comprising an electrode knife (1), a spiral shaft (2), a spiral sleeve (3), a front fixing sleeve (4) and a rear fixing sleeve (5);
the screw sleeve (3) with back fixed cover (5) are connected, screw axis (2) with screw sleeve (3) spiral cooperation is connected, preceding fixed cover (4) with back fixed cover (5) axial sliding fit is connected, be provided with first spacing portion (401) in preceding fixed cover (4), the periphery of screw axis (2) be provided with first spacing portion (401) constitute spacing portion (201) of spacing complex second of axial, the rear end of electrode sword (1) is passed the front end of preceding fixed cover (4) and with screw axis (2) are connected.
2. The cervical cutting scalpel according to claim 1, wherein ratchet teeth (202) are arranged on the periphery of the screw shaft (2), an opening (402) is formed in the front fixing sleeve (4) at a position corresponding to the ratchet teeth (202), a pawl (203) matched with the ratchet teeth (202) is arranged in the opening (402), and the ratchet teeth (202) are matched with the pawl (203) to limit the screw shaft (2) to rotate in one direction.
3. The cervical cutting scalpel according to claim 2, wherein the pawl (203) is rotatably connected to both sidewalls of the opening (402) such that the pawl (203) is away from the ratchet teeth (202) or engages with the ratchet teeth (202).
4. The cervical cutting scalpel according to claim 3, wherein a rotating ring (6) is rotatably connected to the outer periphery of the front fixing sleeve (4), an ejector block (601) matched with the pawl (203) is arranged on the inner wall of the rotating ring (6) corresponding to the opening (402), and the rotating ring (6) is used for driving the ejector block (601) to drive the pawl (203) to rotate.
5. The cervical cutting scalpel according to claim 4, wherein a connecting sleeve (405) is disposed at a front end of the front fixing sleeve (4), a limiting step (406) is further disposed at a rear position of the rotating ring (6) of the front fixing sleeve (4), and the limiting step (406) and the connecting sleeve (405) are used for limiting the rotation of the rotating ring (6).
6. The cervical cutting scalpel according to any one of claims 1 to 5, wherein a return spring (7) is arranged between the front fixing sleeve (4) and the rear fixing sleeve (5).
7. The cervical cutting scalpel according to claim 1, further comprising a conductive sleeve (8) and a connecting pin (9), wherein a through hole is formed in the axial direction of the screw shaft (2), the conductive sleeve (8) passes through the through hole, the rear end of the electrode scalpel (1) is connected with the conductive sleeve (8), the connecting pin (9) is disposed in the rear fixing sleeve (5), the front end of the connecting pin (9) is connected with the conductive sleeve (8), and the rear end of the connecting pin (9) is connected with a conductive wire.
8. The cervical cutting scalpel according to claim 7, wherein the rear end of the rear fixing sleeve (5) is provided with a stepped hole, the power connection pin (9) is provided with a stage matched with the stepped hole, the rear end of the power connection pin (9) extends out relative to the rear end of the rear fixing sleeve (5), the rear end of the power connection pin (9) is provided with a fastening nut (10), and the fastening nut (10) is used for connecting a conductive wire.
9. The cervical cutting scalpel according to claim 1, further comprising a U-shaped handle (12), wherein two ends of the handle (12) are connected with the front fixing sleeve (4) and the rear fixing sleeve (5) respectively, and the distance between the two ends of the handle (12) is variable.
10. The cervical cutting scalpel according to claim 9, wherein the handle (12) is resilient.
Priority Applications (1)
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CN202022262168.3U CN213606847U (en) | 2020-10-12 | 2020-10-12 | Cervical cutting scalpel |
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CN202022262168.3U CN213606847U (en) | 2020-10-12 | 2020-10-12 | Cervical cutting scalpel |
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CN112274241A (en) * | 2020-10-12 | 2021-01-29 | 北京凯卓迅达科技有限公司 | Cervical cutting scalpel |
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CN112274241A (en) * | 2020-10-12 | 2021-01-29 | 北京凯卓迅达科技有限公司 | Cervical cutting scalpel |
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Effective date of registration: 20221108 Address after: 102400 floor 2, unit 1, building 2, yard 18, Yanxin South Road, Yanshan District, Beijing Patentee after: Beijing Gerui Langbo Technology Development Co.,Ltd. Address before: 102403 4th floor, west side of building 11, area 2, yard 6, Shagang street, Fangshan District, Beijing Patentee before: Beijing Kaizhuo Xunda Technology Co.,Ltd. |
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