CN110693572A - Universal multi-angle nucleus pulposus residue prevention exploration curet under spinal endoscope - Google Patents
Universal multi-angle nucleus pulposus residue prevention exploration curet under spinal endoscope Download PDFInfo
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- CN110693572A CN110693572A CN201910990485.6A CN201910990485A CN110693572A CN 110693572 A CN110693572 A CN 110693572A CN 201910990485 A CN201910990485 A CN 201910990485A CN 110693572 A CN110693572 A CN 110693572A
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- movable handle
- exploration
- nucleus pulposus
- handle
- connecting block
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- 230000002265 prevention Effects 0.000 title claims description 9
- 238000005452 bending Methods 0.000 claims abstract description 6
- 238000005491 wire drawing Methods 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 11
- 238000007790 scraping Methods 0.000 abstract description 18
- 230000006378 damage Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 7
- 210000003811 finger Anatomy 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 210000005036 nerve Anatomy 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001839 endoscopy Methods 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 208000028389 Nerve injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 210000001951 dura mater Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000002478 hand joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008764 nerve damage Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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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
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
Abstract
The invention discloses a universal multi-angle nucleus pulposus residue exploration preventing curette under a spinal endoscope, which belongs to the field of surgical instruments and comprises a fixed handle, a connecting block, a sheath rod, an exploration curette head and a flexion and extension mechanism; the probing curette head is hinged at one end of the sheath rod; the bending and stretching mechanism comprises a first drawn wire and a first movable handle, the first movable handle is hinged to the fixed handle, one end of the first drawn wire is connected to the first movable handle, and the other end of the first drawn wire sequentially penetrates through the connecting block and the sheath rod and is connected with the probing curette head. The device also comprises a universal adjusting mechanism; the invention is provided with the bending and stretching mechanism, the scraping of the nucleus pulposus can be completed by the action of tightening the first movable handle without scraping back and forth, so that the damage to normal tissues caused by over-deep insertion is avoided; the universal adjusting mechanism is arranged, the scraping direction of the probing curette head can be adjusted by tightening the second movable handle, and the probing curette can be operated by one hand during adjustment.
Description
Technical Field
The invention relates to the field of surgical instruments, in particular to a universal multi-angle probing curet for preventing nucleus pulposus residues under a spinal endoscope.
Background
The herniation of intervertebral disc, because the fibrous ring of the intervertebral disc breaks, the nucleus pulposus in the disc is loosened and dissociated under the stress action, the nucleus pulposus protrudes through the rupture of the fibrous ring, and the nerve root and the dura mater sac are pressed, so that the nerve pressing pain symptom is caused, the nucleus pulposus extirpation of the percutaneous spinal endoscopy, the core lies in the nucleus pulposus extirpation of the looseness, dissociation and protrusion degeneration, the existing grasping tools are nucleus pulposus pincers under the mirror, the type of the nucleus pulposus pincers is straight pincers and oblique mouth pincers with fixed angles, the nucleus pulposus pincers can only grasp the nucleus pulposus seen under the mirror, and the current international design of the instrument channel of the spinal endoscopy is 3.7 mm or 4.3 mm, the diameter of the work end of the nucleus pulposus pincers must be smaller than the instrument channel, the operation space under the mirror is very limited, the nucleus pulposus that can not be detected freely in the disc under the mirror, the residual nucleus pulposus, often, a part of residual nucleus pulposus can be left, so that the patient can relapse again to cause pain symptoms; in addition, the mechanical force of the occlusion at the tail end of the nucleus pulposus clamp is large, and the nerve roots and the dural sac are easy to be mistakenly grasped if the visual field is not clear during operation, so that the serious consequence of nerve injury is caused; when the nucleus pulposus forceps are operated, the direction needs to be changed back and forth by a doctor hand, the load of hand joints is large, and if the force is not well controlled during fatigue, the disc can be inserted too deeply, the front fibrous ring is broken through, the large blood vessel in front of the vertebral body is injured, and disastrous results such as large bleeding are caused.
Disclosure of Invention
The invention provides a universal multi-angle nucleus pulposus residue exploration prevention curet under a spinal endoscope, which can solve the problems that in the prior art, a nucleus pulposus clamp is difficult to completely remove a free and loose nucleus pulposus in the nucleus pulposus grabbing process, and the nucleus pulposus recurs again after an operation.
A universal multi-angle nucleus pulposus residue prevention exploration curet under a spinal endoscope comprises a fixed handle, a connecting block fixedly connected with the fixed handle, a sheath rod connected at one end of the connecting block, an exploration curet head and a flexion-extension mechanism;
the probing curette head is hinged at one end of the sheath rod;
the bending and stretching mechanism comprises a first drawn wire and a first movable handle, the first movable handle is hinged to the fixed handle, one end of the first drawn wire is connected to the first movable handle, and the other end of the first drawn wire sequentially penetrates through the connecting block and the sheath rod and is connected with the probing curette head.
Preferably, the device also comprises a universal adjusting mechanism;
the universal adjusting mechanism comprises a connecting seat, a second drawn wire and a second movable handle, the second movable handle is hinged with the fixed handle, the first movable handle and the second movable handle are respectively positioned on two sides of the fixed handle, the connecting seat is fixed on the connecting block, and one end of the sheath rod is rotatably arranged on the connecting block;
a first bevel gear fixedly arranged on the sheath rod, a second bevel gear in meshed connection with the first bevel gear, a first circular gear rotating coaxially with the second bevel gear, a second circular gear in meshed connection with the first circular gear, a third circular gear in meshed connection with the second circular gear, an incomplete gear rotating coaxially with the third circular gear and a moving frame for driving the incomplete gear to rotate are arranged in the connecting seat, the first circular gear, the second circular gear and the third circular gear are arranged at the top of the connecting block in a driving way, the bottom of the connecting seat is provided with a sliding groove, the incomplete gear is positioned in the sliding groove, the movable frame is slidably arranged in the sliding groove, two racks meshed and connected with the incomplete gear are arranged in the movable frame, and one end of the movable frame extends out of the connecting seat and is connected with the second movable handle through the second drawn wire.
Preferably, the top of the first movable handle is provided with a first limiting groove, one end of the first wire drawing extends into the first limiting groove and is fixedly connected with a first limiting bead, and the first limiting bead is arranged in the first limiting groove in a vertically sliding manner.
Preferably, a second limiting groove is formed in the top of the second movable handle, one end of the second drawn wire extends into the second limiting groove and is fixedly connected with a second limiting bead, and the second limiting bead is arranged in the second limiting groove in a vertically sliding mode.
Preferably, the bottom of the connecting block is provided with an abdicating groove for abdicating the second movable handle.
Preferably, the connecting seat and the connecting block are both square columns.
Preferably, the fixed handle, the first movable handle and the second movable handle are all provided with holes.
Preferably, the probing spatula head is spoon-shaped.
Compared with the prior art, the invention has the beneficial effects that: the invention is provided with the flexion and extension mechanism, can smoothly pass through an endoscope instrument channel when being completely extended, and can randomly adjust the flexion and extension angle after passing through the instrument channel, thereby greatly expanding the exploration range and overcoming the defect that the target area of the conventional nucleus pulposus pincers is insufficient; the tail end of the scraping key is round and smooth, the scraping of the nucleus pulposus in the disc is completed by the action of tightening the first movable handle, and the damage to normal tissues during operation can be avoided; the universal adjusting mechanism is arranged, the scraping direction of the probing scraper head is adjusted by tightening the second movable handle, 360-degree scraping without dead angles is realized, and the residual of free nucleus pulposus in the disc is avoided; the operation can be carried out by one hand during adjustment, and the use is more convenient.
Drawings
FIG. 1 is a schematic structural diagram I of the present invention;
FIG. 2 is a schematic diagram II of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of the present invention at B of FIG. 2;
FIG. 5 is a cross-sectional view of the connecting socket of the present invention;
fig. 6 is a cross-sectional view at C-C of fig. 5 of the present invention.
Description of reference numerals:
1-fixed handle, 2-connecting block, 3-sheath rod, 4-exploring curette head, 5-first wire drawing, 51-second wire drawing, 6-first movable handle, 61-first limiting groove, 62-first limiting ball, 7-connecting seat, 8-second movable handle, 81-second limiting groove, 82-second limiting ball, 9-first bevel gear, 10-second bevel gear, 11-first circular gear, 12-second circular gear, 13-third circular gear, 14-incomplete gear, 15-moving frame, 16-sliding groove, 17-rack and 18-abdicating groove.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1 to 6, the universal multi-angle nucleus pulposus residue prevention exploration curet under the spinal endoscope provided by the embodiment of the invention comprises a fixed handle 1, a connecting block 2 fixedly connected with the fixed handle 1, a sheath rod 3 connected at one end of the connecting block 2, an exploration curet head 4 and a bending and stretching mechanism;
the probing scraper head 4 is hinged at one end of the sheath rod 3;
the bending and stretching mechanism comprises a first drawn wire 5 and a first movable handle 6, the first movable handle 6 is hinged with the fixed handle 1, one end of the first drawn wire 5 is connected to the first movable handle 6, and the other end of the first drawn wire 5 sequentially penetrates through the connecting block 2 and the sheath rod 3 and is connected with the exploration scraper head 4;
the first movable handle 6 is tightened by hand, the first wire drawing 5 can be pulled, so that the exploration scraper head 4 in a horizontal state is pulled to a vertical state, the scraping action is completed, as shown in figure 1, the exploration scraper head 4 is in a vertical state, as shown in figure 2, the exploration scraper head 4 is in a horizontal state, the exploration scraper head 4 is inserted into the nucleus pulposus under the condition that the exploration scraper head 4 is in the horizontal state, the scraping is completed by continuously tightening and stretching the first movable handle 6, the operation of tightening and stretching by hand is safer than the operation of inserting and pulling by hand, and the insertion is not deeper under the guidance of insertion inertia;
the device also comprises a universal adjusting mechanism;
the universal adjusting mechanism comprises a connecting seat 7, a second drawn wire 51 and a second movable handle 8, the second movable handle 8 is hinged with the fixed handle 1, the first movable handle 6 and the second movable handle 8 are respectively positioned at two sides of the fixed handle 1, the connecting seat 7 is fixed on the connecting block 2, and one end of the sheath rod 3 is rotatably arranged on the connecting block 2;
a first bevel gear 9 fixedly mounted on the sheath rod 3, a second bevel gear 10 engaged with the first bevel gear 9, a first circular gear 11 coaxially rotating with the second bevel gear 10, a second circular gear 12 engaged with the first circular gear 11, a third circular gear 13 engaged with the second circular gear 12, an incomplete gear 14 coaxially rotating with the third circular gear 13, and a moving frame 15 for driving the incomplete gear 14 to rotate are arranged in the connecting seat 7, the first circular gear 11, the second circular gear 12, and the third circular gear 13 are arranged at the top of the connecting block 2 in a transmission manner, a sliding groove 16 is formed at the bottom of the connecting seat 7, the incomplete gear 14 is located in the sliding groove 16, the moving frame 15 is slidably arranged in the sliding groove 16, two racks 17 engaged with the incomplete gear 14 are arranged in the moving frame 15, one end of the movable frame 15 extends out of the connecting seat 7 and is connected with the second movable handle 8 through the second wire drawing 51;
the second drawing wire 51 can be pulled by tightening the second movable handle 8, thereby pulling the moving frame 15 outward, the second drawing wire 51 can be pushed by expanding the second movable handle 8, thereby pushing the movable frame 15 inwards, the incomplete gear 14 is carried to rotate in one direction during the reciprocating movement of the moving frame 15, the sheath rod 3 is driven to rotate by the transmission of the first circular gear 11, the second circular gear 12, the third circular gear 13, the first bevel gear 9 and the second bevel gear 10, namely, the exploration scraper head 4 is driven to rotate, the exploration scraper head 4 rotates under the state of being parallel to the sheath rod 3 and can not touch the normal fiber ring wall, the cross section of the exploration scraper head 4 is small under the state of being parallel to the sheath rod 3, the occupied space is small when the probe scraper is rotated, and when the angle needs to be adjusted, the first movable handle 6 needs to be opened first, so that the probing scraper head 4 is in a horizontal state;
the two sides of the incomplete gear 14 of the moving frame 15 are both provided with racks 17, the incomplete gear 14 can only contact one rack 17 under any condition, when the second movable handle 8 is unfolded and the moving frame 15 moves inwards, the rack 17 on one side contacts with teeth of the incomplete gear 14 to drive the incomplete gear 14 to rotate and then separate from the incomplete gear 14, then the second movable handle 8 is tightened, the moving frame 15 moves outwards, the rack 17 on the other side starts to contact with the teeth of the incomplete gear 14 to drive the incomplete gear 14 to rotate and then separate from the incomplete gear 14, and the reciprocating operation can realize the ceaseless rotation of the exploration scraping spoon head 4;
the number of teeth of the first bevel gear 9 is twice that of the second bevel gear 10, the small gear is used for driving the big gear to save more labor, the third bevel gear 13, the second bevel gear 12 and the first bevel gear 11 are the same, the second bevel gear 10 rotates for two circles to drive the first bevel gear 9 to rotate for one circle, complete tightening is completed, the action of opening the second movable handle 8 can enable the incomplete gear 14 to rotate for one whole circle, namely the exploration scraping key head 4 rotates for half circle, only the half circle is rotated for safer adjustment, over-fast rotation is prevented, the third bevel gear 13 can be replaced to be larger in size, and therefore the action of completing one complete tightening and opening the second movable handle 8 can enable the exploration scraping key head 4 to rotate for one whole circle;
the structure of the hinged part of the exploration scraper head 4 and the first drawn wire 5 and the hinged part of the exploration scraper head 4 and the sheath rod 3 can be seen from fig. 4, the hinged position of the first drawn wire 5 and the exploration scraper head 4 is positioned above the hinged position of the exploration scraper head 4 and the sheath rod 3, the exploration scraper head 4 can be straightened in a vertical state when the first drawn wire 5 is pulled, and the exploration scraper head 4 can return to the original position by pushing back the first drawn wire 5.
Furthermore, a first limiting groove 61 is formed in the top of the first movable handle 6, one end of the first wire drawing 5 extends into the first limiting groove 61 and is fixedly connected with a first limiting bead 62, the first limiting bead 62 is slidably arranged in the first limiting groove 61 up and down, and when the first movable handle 6 is retracted or the first movable handle 6 is spread, the first limiting bead 62 can move up or down in the first limiting groove 61.
Furthermore, a second limiting groove 81 is formed in the top of the second movable handle 8, one end of the second wire drawing 51 extends into the second limiting groove 81 and is fixedly connected with a second limiting bead 82, the second limiting bead 82 is slidably arranged in the second limiting groove 81 up and down, and the first limiting groove 61 and the second limiting groove 81 are identical in structure.
Further, the bottom of the connecting block 2 is provided with an abdicating groove 18 for abdicating the second movable handle 8.
Further, the connecting seat 7 and the connecting block 2 are both square columns.
Furthermore, the fixed handle 1, the first movable handle 6 and the second movable handle 8 are all provided with holes, and fingers are inserted into the holes for use.
Further, explore curette head 4 and be the spoon shape, conveniently scrape out the nucleus pulposus, the end of spoon shape is convex, conveniently explores, can not harm internal tissue.
The working principle is as follows: when in use, the middle finger is inserted into the hole of the fixed handle 1, the thumb is inserted into the first movable handle 6, the index finger is inserted into the second movable handle 8, and the adaptability selection can be carried out according to the individual habit, one end of the probing scraping spoon head 4 passes through the intervertebral foramen mirror to the affected part, when in scraping, the thumb and the middle finger apply force to tighten the first movable handle 6, the first movable handle 6 horizontally pulls the probing scraping spoon head 4 with the sheath rod 3 to the vertical state through the first wire drawing 5, then the first movable handle 6 is expanded, the probing scraping spoon head 4 is vertically pushed back to the horizontal state through the wire drawing 5 by the first movable handle 6, the operations are repeated to scrape the nucleus pulposus, when the scraping angle of the probing scraping spoon head 4 needs to be adjusted, namely the probing spoon head 4 needs to be rotated, the thumb and the index finger tightens or expands the second movable handle 8, the second movable handle 8 pulls or pushes the movable frame 15 through the second wire drawing 51, the moving frame 15 drives the incomplete gear 14 to rotate, and the sheath rod 3 is driven to rotate under the transmission of the third circular gear 13, the second circular gear 12, the first circular gear 11, the second circular gear 10 and the first bevel gear 9, namely the spoon-shaped exploration scraper head 4 hinged on the sheath rod 3 is driven to rotate.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (8)
1. The universal multi-angle nucleus pulposus residue prevention exploration curet under the spinal endoscope comprises a fixed handle, a connecting block fixedly connected with the fixed handle and a sheath rod connected at one end of the connecting block, and is characterized by also comprising an exploration curet head and a flexion and extension mechanism;
the probing curette head is hinged at one end of the sheath rod;
the bending and stretching mechanism comprises a first drawn wire and a first movable handle, the first movable handle is hinged to the fixed handle, one end of the first drawn wire is connected to the first movable handle, and the other end of the first drawn wire sequentially penetrates through the connecting block and the sheath rod and is connected with the probing curette head.
2. The endoscopic spinal universal multi-angle nucleus pulposus residue exploration preventing curet as claimed in claim 1, further comprising a universal adjusting mechanism;
the universal adjusting mechanism comprises a connecting seat, a second drawn wire and a second movable handle, the second movable handle is hinged with the fixed handle, the first movable handle and the second movable handle are respectively positioned on two sides of the fixed handle, the connecting seat is fixed on the connecting block, and one end of the sheath rod is rotatably arranged on the connecting block;
a first bevel gear fixedly arranged on the sheath rod, a second bevel gear in meshed connection with the first bevel gear, a first circular gear rotating coaxially with the second bevel gear, a second circular gear in meshed connection with the first circular gear, a third circular gear in meshed connection with the second circular gear, an incomplete gear rotating coaxially with the third circular gear and a moving frame for driving the incomplete gear to rotate are arranged in the connecting seat, the first circular gear, the second circular gear and the third circular gear are arranged at the top of the connecting block in a driving way, the bottom of the connecting seat is provided with a sliding groove, the incomplete gear is positioned in the sliding groove, the movable frame is slidably arranged in the sliding groove, two racks meshed and connected with the incomplete gear are arranged in the movable frame, and one end of the movable frame extends out of the connecting seat and is connected with the second movable handle through the second drawn wire.
3. The universal multi-angle nucleus pulposus residue exploration preventing curet under spinal endoscope as claimed in claim 1, wherein the top of the first movable handle is provided with a first limiting groove, one end of the first wire drawing extends into the first limiting groove and is fixedly connected with a first limiting bead, and the first limiting bead is slidably arranged in the first limiting groove up and down.
4. The universal multi-angle nucleus pulposus residue prevention exploration curet under the spinal endoscope as claimed in claim 2 or 3, wherein a second limiting groove is formed at the top of the second movable handle, one end of the second wire drawing extends into the second limiting groove and is fixedly connected with a second limiting ball, and the second limiting ball is arranged in the second limiting groove in a vertically sliding manner.
5. The universal multi-angle nucleus pulposus residue prevention exploration curet under a spinal endoscope as claimed in claim 4, wherein the bottom of the connecting block is provided with an abdicating groove for abdicating the second movable handle.
6. The universal multi-angle nucleus pulposus residue exploration preventing curette under spinal endoscope as claimed in claim 5, wherein said connecting seat and said connecting block are both square column shaped.
7. The endoscopic universal multi-angle nucleus pulposus residual exploration preventing curet under spinal column as claimed in claim 6, wherein said fixed handle, said first movable handle and said second movable handle are all provided with holes.
8. The universal multi-angle nucleus pulposus residue prevention exploration curet under spinal endoscope as claimed in claim 7, wherein said exploration curet head is spoon-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910990485.6A CN110693572A (en) | 2019-10-17 | 2019-10-17 | Universal multi-angle nucleus pulposus residue prevention exploration curet under spinal endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910990485.6A CN110693572A (en) | 2019-10-17 | 2019-10-17 | Universal multi-angle nucleus pulposus residue prevention exploration curet under spinal endoscope |
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| Publication Number | Publication Date |
|---|---|
| CN110693572A true CN110693572A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910990485.6A Pending CN110693572A (en) | 2019-10-17 | 2019-10-17 | Universal multi-angle nucleus pulposus residue prevention exploration curet under spinal endoscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111227910A (en) * | 2020-03-06 | 2020-06-05 | 杨红伟 | Alimentary canal minimal access surgery tissue pincers |
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|---|---|---|---|---|
| US5984939A (en) * | 1989-12-05 | 1999-11-16 | Yoon; Inbae | Multifunctional grasping instrument with cutting member and operating channel for use in endoscopic and non-endoscopic procedures |
| US20020173813A1 (en) * | 2001-04-05 | 2002-11-21 | Peterson Francis C. | Circumferential resecting reamer tool |
| CN1843301A (en) * | 2005-04-07 | 2006-10-11 | 伊西康内外科公司 | Surgical instrument with articulating shaft with single pivot closure and double pivot frame ground |
| US20090054898A1 (en) * | 2007-03-26 | 2009-02-26 | Joe Gleason | Articulating Shaper |
| CN202223304U (en) * | 2011-08-30 | 2012-05-23 | 北京爱乐曼科技有限公司 | Bendable nucleus pulposus pliers with liquid lead-in function |
| CN202235561U (en) * | 2011-08-30 | 2012-05-30 | 北京爱乐曼科技有限公司 | Nucleus pulposus forceps |
| US20130325048A1 (en) * | 2012-05-31 | 2013-12-05 | Mark Weiman | Laparoscopic Manipulation |
| CN110037755A (en) * | 2019-04-04 | 2019-07-23 | 上海世恒医学科技有限公司 | Multiple degrees of freedom flexible intranasal skull base surgery instrument |
| CN211381610U (en) * | 2019-10-17 | 2020-09-01 | 徐州市中心医院 | Universal multi-angle probing curet for preventing nucleus pulposus residue under spinal endoscope |
-
2019
- 2019-10-17 CN CN201910990485.6A patent/CN110693572A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5984939A (en) * | 1989-12-05 | 1999-11-16 | Yoon; Inbae | Multifunctional grasping instrument with cutting member and operating channel for use in endoscopic and non-endoscopic procedures |
| US20020173813A1 (en) * | 2001-04-05 | 2002-11-21 | Peterson Francis C. | Circumferential resecting reamer tool |
| CN1843301A (en) * | 2005-04-07 | 2006-10-11 | 伊西康内外科公司 | Surgical instrument with articulating shaft with single pivot closure and double pivot frame ground |
| US20090054898A1 (en) * | 2007-03-26 | 2009-02-26 | Joe Gleason | Articulating Shaper |
| CN202223304U (en) * | 2011-08-30 | 2012-05-23 | 北京爱乐曼科技有限公司 | Bendable nucleus pulposus pliers with liquid lead-in function |
| CN202235561U (en) * | 2011-08-30 | 2012-05-30 | 北京爱乐曼科技有限公司 | Nucleus pulposus forceps |
| US20130325048A1 (en) * | 2012-05-31 | 2013-12-05 | Mark Weiman | Laparoscopic Manipulation |
| CN110037755A (en) * | 2019-04-04 | 2019-07-23 | 上海世恒医学科技有限公司 | Multiple degrees of freedom flexible intranasal skull base surgery instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111227910A (en) * | 2020-03-06 | 2020-06-05 | 杨红伟 | Alimentary canal minimal access surgery tissue pincers |
| CN111227910B (en) * | 2020-03-06 | 2020-12-15 | 王光铭 | Alimentary canal minimal access surgery tissue pincers |
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