CN115005933A - Myoma rotary-cut equipment - Google Patents

Myoma rotary-cut equipment Download PDF

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Publication number
CN115005933A
CN115005933A CN202210755109.0A CN202210755109A CN115005933A CN 115005933 A CN115005933 A CN 115005933A CN 202210755109 A CN202210755109 A CN 202210755109A CN 115005933 A CN115005933 A CN 115005933A
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CN
China
Prior art keywords
rotating rod
sleeve
inner rotating
rotary cutter
negative pressure
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Pending
Application number
CN202210755109.0A
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Chinese (zh)
Inventor
展可可
李克寒
刘圆圆
沈恒涛
司马靓杰
韩学昌
刘稳
王许艳
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Henan Huanlai Technology Co ltd
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Henan Huanlai Technology Co ltd
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Application filed by Henan Huanlai Technology Co ltd filed Critical Henan Huanlai Technology Co ltd
Priority to CN202210755109.0A priority Critical patent/CN115005933A/en
Publication of CN115005933A publication Critical patent/CN115005933A/en
Pending legal-status Critical Current

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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
    • A61B17/32002Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
    • 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
    • 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
    • A61B2017/32004Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes having a laterally movable cutting member at its most distal end which remains within the contours of said end
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B2017/320064Surgical cutting instruments with tissue or sample retaining means
    • 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

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Gynecology & Obstetrics (AREA)
  • Pregnancy & Childbirth (AREA)
  • Reproductive Health (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a rotary cutting device for myoma, which comprises a cabinet body and a rotary cutter, wherein a negative pressure suction assembly and a sample collection assembly are respectively arranged inside and outside the cabinet body; the rotary cutter comprises an outer sleeve, an inner rotating rod is connected in the outer sleeve in a rotating mode through a bearing, an attraction channel is formed in the inner rotating rod, a rotary cutter head is connected to one end of the inner rotating rod in a detachable mode, a connecting sleeve used for being connected with a sample collecting assembly is connected to the other end of the inner rotating rod in a rotating and sealing mode, a supporting block is fixedly arranged on the outer sleeve close to the outer end of the connecting sleeve, in the process of cutting the myoma, the myoma can be cut by the rotary cutter or later, the myoma tissue cut off can be sucked and collected under negative pressure through cooperation of the sample collecting assembly and the negative pressure attraction assembly, and cutting efficiency of the myoma is improved.

Description

Myoma rotary-cut equipment
Technical Field
The invention relates to the technical field of medical treatment, in particular to a rotary cutting device for myomas.
Background
The hysteromyoma is a relatively common benign tumor disease of gynecological genital organs, also called as uterine fibroids or fibroids, is formed by abnormal proliferation of uterine smooth muscle cells of patients, and at present, surgical operations are effective measures for treating the hysteromyoma patients at present, and minimally invasive laparoscopic hysteromyoma excision operations are mostly adopted for treatment.
However, the prior art has the following problems:
1. in the process of cutting the myoma, the myoma needs to be cut respectively, and then surgical instruments are replaced to clamp the cut myoma tissues out of the body of a patient, so that the efficiency is low;
2. the myoma that the cutting produced drops other positions of health easily, like in the abdominal cavity, can't realize realizing the position fixing to myoma and the myoma that cuts down when the cutting.
Disclosure of Invention
The present invention is directed to solving the above-mentioned problems by providing an apparatus for rotational dissection of fibroids, which overcomes the disadvantages of the prior art, as will be described in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a rotary cutting device for myoma, which comprises a cabinet body and a rotary cutter, wherein a negative pressure suction assembly and a sample collection assembly are respectively arranged inside and outside the cabinet body;
the rotary cutter comprises an outer sleeve, an inner rotating rod is connected in the outer sleeve in a rotating mode through a bearing, a suction channel is formed in the inner rotating rod, a rotary cutter head is connected to one end of the inner rotating rod in a detachable mode, a connecting sleeve used for being connected with a sample collecting assembly is connected to the other end of the inner rotating rod in a rotating sealing mode, a supporting block is fixedly arranged on the outer sleeve close to one end of the connecting sleeve, a motor is fixedly arranged on the supporting block, a belt transmission mechanism used for driving the inner rotating rod to rotate in the inner rotating rod is arranged between the motor and the inner rotating rod, and an elastic telescopic protective sleeve is arranged on the outer sleeve close to one end of the rotary cutter head.
Preferably, the rotary cutter head comprises a cylindrical cutter frame barrel, one end of the cutter frame barrel is in threaded sealing connection with the inner rotating rod, more than three blades which are uniformly distributed at equal angles are fixedly arranged at the other end of the cutter frame barrel along the circumferential direction of the edge of the cutter frame barrel, the cutting edge of each blade faces the outer side of the cutter frame barrel, the blades are obliquely and alternately arranged in the same rotating direction, and the inclination angle between each blade and the end face of the cutter frame barrel is 5-45 degrees.
Preferably, the protecting sleeve is sleeved on the outer side of the rotary cutter head in a sliding manner, a limiting shoulder is formed on the inner side of one end, close to the outer sleeve, of the protecting sleeve, a spring is nested on the outer side of the inner rotating rod between the protecting sleeve and the outer sleeve, and the distance between the end part of the protecting sleeve and the end part of the outer sleeve is 3-6 mm;
when the spring is in a normal state, the rotary-cut cutter head contracts inside the protective sleeve, and when the compression stroke of the spring reaches more than 1mm, the rotary-cut cutter head extends out of the interior of the protective sleeve.
Preferably, the mounting seat is fixedly arranged on the outer side of the motor, the mounting seat is fixedly arranged on the supporting block through a bolt, the belt transmission mechanism comprises a first gear, a gear belt and a second gear, the shaft end of the first gear is fixedly connected to the output shaft end of the motor, the second gear is arranged on the outer side of the inner rotating rod in a key connection mode, the outer sleeve and the second gear share the same central axis, and the first gear is meshed with the second gear through the gear belt.
Preferably, a vertical handle and a horizontal handle are respectively and fixedly arranged on one side of the supporting block.
Preferably, one end of the outer sleeve, which is far away from the rotary cutter head, is in threaded connection with an end cover, the inner side wall of the end cover is in rotary connection with the inner rotating rod through a bearing, and a through hole for penetrating through the inner rotating rod is formed in the middle of the end cover.
Preferably, the upper side of the cabinet body is provided with a universal arm, the top end of the universal arm is provided with a support plate, the support plate is provided with a clamping groove for inserting the rotary cutter, and the clamping groove is U-shaped.
Preferably, the sample collection assembly comprises a sample bottle, the upper end opening of the sample bottle is detachably and hermetically connected with a bottle cap, a first sealing joint and a second sealing joint are fixedly arranged on the upper side of the bottle cap, the top end of the first sealing joint is detachably and hermetically connected with a first guide pipe, the top end of the second sealing joint is detachably and hermetically connected with a second guide pipe, one ends of the first guide pipe and the second guide pipe are extended into the sample bottle, and the other end of the first guide pipe is connected with an inner rotating rod in a rotating and sealing mode through a connecting sleeve.
Preferably, the upper side of the inner part, close to the opening, of the sample bottle is provided with an isolation sleeve, the upper side wall of the isolation sleeve is provided with a vent groove communicated with the inner part of the sample bottle, the lower end of the second insertion tube extends to the middle position in the isolation sleeve, and the lower end of the first insertion tube penetrates through the bottom of the isolation sleeve.
Preferably, the negative pressure suction assembly comprises a negative pressure pump and a negative pressure tank arranged in the cabinet body, an air outlet of the negative pressure tank and the negative pressure pump are connected with each other, and an air inlet of the negative pressure tank and the second conduit are connected with each other.
Has the advantages that:
1. in the process of cutting the myoma, the sample collecting assembly and the negative pressure suction assembly are matched to realize negative pressure suction and collection of the cut myoma tissue while or after the myoma is cut by the rotary cutter, so that the cutting efficiency of the myoma is improved;
2. the myoma tissue that produces in the cutting process can persist in the protective sheath, avoids the myoma that the cutting produced to drop other positions of health, like in the abdominal cavity, can also realize realizing the rigidity to myoma and the myoma that the cutting was got off when the cutting.
3. The inclination angle between the blade and the end surface of the tool holder cylinder is 5-45 degrees, each inclination angle corresponds to the rotary cutter head of the category, and the selection of different cutting quantities of the myoma is realized;
4. the distance between the end part of the protective sleeve and the end part of the outer sleeve is the cutting depth of the rotary cutter head, and when the end part of the protective sleeve is in limit contact with the end part of the outer sleeve, the cutting limit of the rotary cutter head is realized, and the cutting safety protection is realized;
5. the vertical handle can realize the vertical operation rotary cutting of the counter-rotating cutting machine, the transverse handle can realize the transverse operation rotary cutting of the counter-rotating cutting machine, and medical staff can select different rotary cutting directions according to requirements;
6. the isolating sleeve can realize the safety protection of the second conduit, avoid the problem that myoma tissues in the sample bottle are sucked into the second conduit to cause blockage, and can isolate the ports of the first conduit and the second conduit;
7. the rotary cutter, the sample collecting assembly, the negative pressure suction assembly and the like are mutually cooperated and matched, so that the functions of rotary cutting of myoma, negative pressure suction collection of tumor tissues in the rotary cutting process and the like can be realized, and an inseparable whole is formed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a perspective view of FIG. 1 of the present invention;
fig. 3 is a schematic structural view of a rotary cutting drill according to the present invention;
fig. 4 is a schematic cross-sectional view of the rotary drill of fig. 3 according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;
fig. 6 is an enlarged perspective view of a rotary cutter head according to the present invention;
fig. 7 is a top view of the rotary cutter head of fig. 6 in accordance with the present invention;
fig. 8 is a schematic cross-sectional view of a sample vial of the present invention.
The reference numerals are explained below: 1. a cabinet body; 1a, a cabinet door; 2. a rotary cutter; 201. an outer sleeve; 202. a motor; 203. a protective sleeve; 203a and a limit shoulder; 204. a spring; 205. a horizontal grip; 206. a vertical grip; 207. a mounting seat; 208. an inner rotating rod; 209. connecting sleeves; 210. a bearing; 211. a first gear; 212. a gear belt; 213. a second gear; 214. an end cap; 215. a support block; 216. a rotary cutter head; 216a, a tool holder cylinder; 216b, a blade; 3. a gimbal arm; 3a, a support plate; 3b, a clamping groove; 4. a sample collection assembly; 401. a sample bottle; 402. a first conduit; 403. a second conduit; 404. a bottle cap; 405. a first sealing joint; 406. a second sealing joint; 407. a first cannula; 408. a second cannula; 409. an isolation sleeve; 410. a vent channel; 5. a negative pressure suction assembly; 501. a negative pressure pump; 502. and (4) a negative pressure tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a myoma rotary-cut apparatus, including a cabinet 1 and a rotary cutter 2, a negative pressure suction assembly 5 and a sample collection assembly 4 are respectively arranged inside and outside the cabinet 1; the rotary cutting machine 2 comprises an outer sleeve 201, an inner rotating rod 208 is rotatably connected in the outer sleeve 201 through a bearing 210, a suction channel is formed in the inner rotating rod 208, a rotary cutting head 216 is detachably connected to one end of the inner rotating rod 208, a connecting sleeve 209 connected with the sample collecting assembly 4 is connected to the other end of the inner rotating rod 208 in a rotating and sealing mode, a supporting block 215 is fixedly arranged on the outer side of one end, close to the connecting sleeve 209, of the outer sleeve 201, a motor 202 is fixedly arranged on the supporting block 215, a mounting seat 207 is fixedly arranged on the outer side of the motor 202, the mounting seat 207 is fixedly arranged on the supporting block 215 through bolts, and a straight vertical handle 206 and a U-shaped transverse handle 205 are fixedly arranged on one side of the supporting block 215 respectively. In practical application, through the above specific structural design, the vertical grip 206 can achieve vertical operation rotary cutting of the rotary cutting machine 2, and the horizontal grip 205 can achieve horizontal operation rotary cutting of the rotary cutting machine 2.
A belt transmission mechanism for driving the inner rotating rod 208 to rotate in the inner rotating rod 208 is arranged between the motor 202 and the inner rotating rod 208, an elastically telescopic protective sleeve 203 is arranged on the outer side of one end, close to the rotary cutter head 216, of the outer sleeve 201, further, the belt transmission mechanism comprises a first gear 211, a gear belt 212 and a second gear 213, the shaft end of the first gear 211 is fixedly connected to the output shaft end of the motor 202, the second gear 213 is arranged on the outer side of the inner rotating rod 208 in a key connection mode, the outer sleeve 201 and the second gear 213 share a central axis, and the first gear 211 is meshed and connected with the second gear 213 through the gear belt 212.
Referring to fig. 6 and 7 of the specification, the rotary cutter head 216 includes a cylindrical holder cylinder 216a, one end of the holder cylinder 216a is connected with the inner rotating rod 208 in a screw thread sealing manner, the other end of the holder cylinder 216a is fixedly provided with more than three blades 216b which are uniformly distributed at equal angles along the circumferential direction, further, the number of the blades 216b is three, the blades 216b are fixed on the holder cylinder 216a in a welding manner, the cutting edge of each blade 216b is arranged towards the outer side of the holder cylinder 216a, referring to fig. 7 of the specification, the blades 216b are obliquely and alternately arranged in the same rotation direction, and the oblique angle between the blades 216b and the end surface of the holder cylinder 216a is 5-45 °. Further, the inclination angles between the blades 216b and the end face of the tool holder cylinder 216a are 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 ° and 45 °, and each inclination angle corresponds to the type of rotary-cut tool bit 216, so that different cutting amounts of fibroids can be selected.
The protective sleeve 203 is sleeved on the outer side of the rotary cutter head 216 in a sliding manner, a limiting shoulder 203a is formed on the inner side of one end, close to the outer sleeve 201, of the protective sleeve 203, a spring 204 is nested on the outer side of an inner rotary rod 208 positioned between the protective sleeve 203 and the outer sleeve 201, and the distance between the end part of the protective sleeve 203 and the end part of the outer sleeve 201 is 3-6 mm; when the spring 204 is in a normal state, the rotary cutter head 216 is retracted inside the shield 203, and when the compression stroke of the spring 204 reaches more than 1mm, the rotary cutter head 216 extends out of the interior of the shield 203. Wherein the distance between lag 203 tip and the outer tube 201 tip is the depth of cut of rotary-cut tool bit 216, and in practical application, can also pull the depth of cut through changing the lag 203 of different sizes, is suitable for the myoma of different sizes. An end cover 214 is connected to one end of the outer sleeve 201 far away from the rotary cutter head 216 through threads, the inner side wall of the end cover 214 is rotatably connected with the inner rotating rod 208 through a bearing, and a through hole for penetrating through the inner rotating rod 208 is formed in the middle of the end cover 214.
The upper side of the cabinet body 1 is provided with a universal arm 3, the top end of the universal arm 3 is provided with a support plate 3a, a clamping groove 3b for inserting the rotary cutter 2 is formed in the support plate 3a, and the clamping groove 3b is U-shaped. In practical application, the universal support of the rotary cutting machine 2 can be realized by the universal arm 3, so that the operation of medical staff is more labor-saving and convenient.
Referring to fig. 1 and 8 in the specification, the sample collection assembly 4 includes a sample bottle 401, an upper end opening of the sample bottle 401, a bottle cap 404 detachably and hermetically connected to the upper end opening of the sample bottle 401, a first sealing joint 405 and a second sealing joint 406 fixedly arranged on an upper side of the bottle cap 404, a first conduit 402 detachably and hermetically connected to a top end of the first sealing joint 405, a second conduit 403 detachably and hermetically connected to a top end of the second sealing joint 406, and by means of the above specific structural design, the first conduit 402 and the second conduit 403 are conveniently separated from the sample bottle 401, so that the sample bottle 401 is taken down, storage of a tumor and taking and placing of a sample at a later stage are facilitated, one end of each of the first conduit 402 and the second conduit 403 extends into the sample bottle 401, and the other end of the first conduit 402 is rotatably and hermetically connected to the inner rotation rod 208 through a connection sleeve 209. An isolation sleeve 409 is arranged on the upper side of the interior of the sample bottle 401 close to the opening, a vent groove 410 communicated with the interior of the sample bottle 401 is formed in the upper side wall of the isolation sleeve 409 and used for communicating the first guide pipe 402 with the interior of the sample bottle 401, the lower end of the second insertion pipe 408 extends to the middle position in the isolation sleeve 409, and the lower end of the first insertion pipe 407 penetrates through the bottom of the isolation sleeve 409. In practical application, the negative pressure suction assembly 5 can discharge air in the sample bottle 401 through the second conduit 403 to form negative pressure, at this time, the isolation sleeve 409 can realize safety protection for the second conduit 403, the problem that myoma tissues in the sample bottle 401 are sucked into the second conduit 403 to cause blockage is avoided, when tumor tissues enter the sample bottle 401 from the first conduit 402, the tumor tissues can directly pass through the isolation sleeve 409 to enter the sample bottle 401, and the sample bottle 401 can play an isolation role between ports of the first conduit 402 and the second conduit 403.
The negative pressure attracts subassembly 5 including setting up negative pressure pump 501 and the negative pressure jar 502 in the cabinet body 1, the gas outlet and the negative pressure pump 501 of negative pressure jar 502 are connected each other, the air inlet and the second pipe 403 of negative pressure jar 502 are connected each other, furthermore, the air inlet department of negative pressure jar 502 is provided with the solenoid valve, wherein one side of the cabinet body 1 is provided with the foot switch who is used for controlling the solenoid valve switch, thereby make things convenient for medical staff to realize the on-off control to the negative pressure attraction through the foot, in practical application, the upside surface of the cabinet body 1 still is provided with the manometer, be used for showing negative pressure jar internal pressure, make things convenient for medical staff to look over.
The working principle is as follows:
when the tumor cutting device is used, the transverse handle 205 or the vertical handle 206 is held to drive the rotary cutter head 216 of the rotary cutter 2 to approach to a tumor, at this time, the protective sleeve 203 is abutted against the tumor, the motor 202 is turned on, the output shaft of the motor 202 rotates to drive the first gear 211 to rotate, the first gear 211 rotates to drive the second gear 213 to rotate through the gear belt 212, the second gear 213 rotates to drive the inner rotating rod 208 to rotate, the inner rotating rod 208 rotates to drive the rotary cutter head 216 connected with the end part to rotate, at this time, the protective sleeve 203 is continuously abutted against the tumor to be close, the spring 204 between the protective sleeve 203 and the outer sleeve 201 is compressed, the rotary cutter head 216 leaks out of the protective sleeve 203 to cut the tumor, the cut and separated tumor is retained in the protective sleeve 203 to prevent the cut tumor from being sputtered to other positions of a body, after a part of the tumor is cut, the negative pressure suction component 5 is matched with the negative pressure tank 502 to realize negative pressure suction to the inner rotating rod 208, therefore, the cut tumor tissue is sucked into the sample collection assembly 4 under negative pressure for collection and storage, then cutting is continued, and when the end part of the protective sleeve 203 is in limit contact with the end part of the outer sleeve 201, the cutting limit of the rotary cutter head 216 is realized, and the cutting safety protection is realized.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. A myoma rotary-cut equipment which characterized in that: the device comprises a cabinet body (1) and a rotary cutter (2), wherein a negative pressure suction assembly (5) and a sample collection assembly (4) are respectively arranged inside and outside the cabinet body (1);
the rotary cutter (2) comprises an outer sleeve (201), an inner rotating rod (208) is rotatably connected in the outer sleeve (201) through a bearing (210), a suction channel is formed in the inner rotating rod (208), one end of the inner rotating rod (208) is detachably connected with a rotary cutter head (216), the other end of the inner rotating rod (208) is connected with a connecting sleeve (209) in a rotating and sealing way for connecting the sample collecting component (4) with each other, a supporting block (215) is fixedly arranged on the outer side of one end, close to the connecting sleeve (209), of the outer sleeve (201), a motor (202) is fixedly arranged on the supporting block (215), a belt transmission mechanism for driving the inner rotating rod (208) to rotate in the inner rotating rod (208) is arranged between the motor (202) and the inner rotating rod (208), an elastically telescopic protective sleeve (203) is arranged on the outer side of one end of the outer sleeve (201) close to the rotary cutter head (216).
2. The rotational atherectomy device of claim 1, wherein: the rotary cutter head (216) comprises a cylindrical cutter frame cylinder (216a), one end of the cutter frame cylinder (216a) is in threaded sealing connection with the inner rotating rod (208), more than three blades (216b) which are uniformly distributed at equal angles are fixedly arranged at the other end of the cutter frame cylinder (216a) along the circumferential direction of the edge of the other end of the cutter frame cylinder, the cutting edge of each blade (216b) faces the outer side of the cutter frame cylinder (216a), the blades (216b) are obliquely and alternately arranged in the same rotating direction, and the inclination angle between the blade (216b) and the end face of the cutter frame cylinder (216a) is 5-45 degrees.
3. The fibroid rotational atherectomy device of claim 1 or 2, wherein: the protective sleeve (203) is sleeved on the outer side of the rotary cutter head (216) in a sliding manner, a limiting shoulder (203a) is formed on the inner side of one end, close to the outer sleeve (201), of the protective sleeve (203), a spring (204) is nested on the outer side of the inner rotating rod (208) located between the protective sleeve (203) and the outer sleeve (201), and the distance between the end part of the protective sleeve (203) and the end part of the outer sleeve (201) is 3-6 mm;
when the spring (204) is in a normal state, the rotary cutter head (216) is contracted inside the protective sleeve (203), and when the compression stroke of the spring (204) reaches more than 1mm, the rotary cutter head (216) extends out of the interior of the protective sleeve (203).
4. The rotational atherectomy device of claim 1, wherein: the outer side of the motor (202) is fixedly provided with a mounting seat (207), the mounting seat (207) is fixedly arranged on a supporting block (215) through a bolt, a belt transmission mechanism comprises a first gear (211), a gear belt (212) and a second gear (213), the shaft end of the first gear (211) is fixedly connected to the output shaft end of the motor (202), the second gear (213) is arranged on the outer side of the inner rotating rod (208) in a key connection mode, the outer sleeve (201) and the second gear (213) share the same central axis, and the first gear (211) is meshed with the second gear (213) through the gear belt (212).
5. The rotational atherectomy device of claim 1 or 4, wherein: one side of the supporting block (215) is respectively and fixedly provided with a vertical handle (206) in a straight shape and a horizontal handle (205) in a U shape.
6. The fibroid rotational atherectomy device of claim 2, wherein: one end of the outer sleeve (201) far away from the rotary cutter head (216) is in threaded connection with an end cover (214), the inner side wall of the end cover (214) is in rotary connection with the inner rotating rod (208) through a bearing, and a through hole for penetrating through the inner rotating rod (208) is formed in the middle of the end cover (214).
7. The rotational atherectomy device of claim 1 or 2, wherein: the upper side of the cabinet body (1) is provided with a universal arm (3), the top end of the universal arm (3) is provided with a support plate (3a), a clamping groove (3b) for inserting the rotary cutter (2) is formed in the support plate (3a), and the clamping groove (3b) is U-shaped.
8. The rotational atherectomy device of claim 1, wherein: the sample collection assembly (4) comprises a sample bottle (401), the upper end opening of the sample bottle (401) is detachably connected with a bottle cap (404) in a sealing mode, a first sealing joint (405) and a second sealing joint (406) are fixedly arranged on the upper side of the bottle cap (404), the top end of the first sealing joint (405) is detachably connected with a first guide pipe (402) in a sealing mode, the top end of the second sealing joint (406) is detachably connected with a second guide pipe (403) in a sealing mode, one ends of the first guide pipe (402) and the second guide pipe (403) are both extended into the sample bottle (401), and the other end of the first guide pipe (402) is connected with an inner rotating rod (208) in a rotating and sealing mode through a connecting sleeve (209).
9. The rotational atherectomy device of claim 8, wherein: the inside upside that sample bottle (401) is close to the opening part is provided with spacer sleeve (409), vent groove (410) with the inside intercommunication of sample bottle (401) are seted up to the lateral wall on spacer sleeve (409), the lower extreme of second intubate (408) extends to middle part position in spacer sleeve (409), spacer sleeve (409) bottom is passed to the lower extreme of first intubate (407).
10. The rotational atherectomy device of claim 1, wherein: the negative pressure suction assembly (5) comprises a negative pressure pump (501) and a negative pressure tank (502) which are arranged in the cabinet body (1), an air outlet of the negative pressure tank (502) is connected with the negative pressure pump (501), and an air inlet of the negative pressure tank (502) is connected with the second conduit (403).
CN202210755109.0A 2022-06-30 2022-06-30 Myoma rotary-cut equipment Pending CN115005933A (en)

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Application Number Priority Date Filing Date Title
CN202210755109.0A CN115005933A (en) 2022-06-30 2022-06-30 Myoma rotary-cut equipment

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Application Number Priority Date Filing Date Title
CN202210755109.0A CN115005933A (en) 2022-06-30 2022-06-30 Myoma rotary-cut equipment

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CN115005933A true CN115005933A (en) 2022-09-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116392222A (en) * 2023-06-07 2023-07-07 邦士医疗科技股份有限公司 Gynecological rotary cutter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116392222A (en) * 2023-06-07 2023-07-07 邦士医疗科技股份有限公司 Gynecological rotary cutter
CN116392222B (en) * 2023-06-07 2023-08-08 邦士医疗科技股份有限公司 Gynecological rotary cutter

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