CN104887293B - A kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia and its application method for possessing auxiliary pouring function - Google Patents
A kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia and its application method for possessing auxiliary pouring function Download PDFInfo
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- CN104887293B CN104887293B CN201510228912.9A CN201510228912A CN104887293B CN 104887293 B CN104887293 B CN 104887293B CN 201510228912 A CN201510228912 A CN 201510228912A CN 104887293 B CN104887293 B CN 104887293B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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- A61M1/0003—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/0007—Special media to be introduced, removed or treated introduced into the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/0014—Special media to be introduced, removed or treated removed from the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/09—Body tissue
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
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- Engineering & Computer Science (AREA)
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- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia, more particularly to a kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia and its application method for possessing auxiliary pouring function.Including body, the head of described body, which is provided with the motor runner assembly for being provided with and being connected with cutter operating assembly in cutter operating assembly, described body, described body, is provided with adsorption operations component and auxiliary pouring component.Carry out according to the following steps：Preoperative Method work → operation technique stage.A kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia and its application method for possessing auxiliary pouring function helps to reduce operating time, reduces operation risk, ensures that operation is smoothed out.
Description
Technical field
The present invention relates to a kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia, more particularly to a kind of binary channels group for possessing auxiliary pouring function
Knit Cutting instrument for cervical intervertebral disc hyperplasia and its application method.
Background technology
Electric prostate-cutting mirror is used for cutting tissue operation in the prior art, high frequency electric is passed directly into human body, is used
High density high frequency electric cuts prostate.
Chinese patent 201010110695.0, discloses a kind of prostate removal surgery device with carbon dioxide air source, bag
Include:Device body, the peephole being connected with described device body, light source interface, the light source interface front end is equipped with air intake valve
And outlet valve, it is characterised in that the air intake valve is connected with pneumoperitoneum apparatus, and filling is used as by the use of the carbon dioxide that pneumoperitoneum apparatus is produced
Note medium.Described device body is connected with peephole by neck slide unit, and peephole can be slided according to device body axially along neck
Platform is moved forward and backward, and the tail end of described device body is sequentially connected with porous closer, sealing cap.This structure is relative complex, and makes
It is relatively not good with effect.
The content of the invention
The present invention mainly solves the deficiencies in the prior art there is provided a kind of compact conformation, is designed using binary channels,
Possess a kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia and its application method for possessing auxiliary pouring function of switch valve rod control function.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia for possessing auxiliary pouring function, including body, the head of described body is provided with
Provided with the motor runner assembly being connected with cutter operating assembly in cutter operating assembly, described body, in described body
Provided with adsorption operations component and auxiliary pouring component；
Described cutter operating assembly includes positioning tool rest, and the head of described positioning tool rest is provided with outer adz block, described
Positioning tool rest in be provided with outer planing tool, described outer planing tool extended, is provided with described outer planing tool outward by outer adz block
Interior planing tool, described interior planing tool is mutually positioned by interior adz block, and interior cavity is provided with described interior planing tool；
Described motor runner assembly includes motor, and the head of described motor is provided with motor connection axle, described motor
The head of connecting shaft is mutually fixed with interior adz block, and the afterbody of described motor is connected by line；
Described adsorption operations component includes being located at perfusion channel in body upper end, the head of described perfusion channel with
Interior cavity is connected, and the afterbody of described perfusion channel, which is provided with absorption joint, described perfusion channel, is provided with channel switch group
Part；
Described auxiliary pouring component includes auxiliary pouring passage, and described auxiliary pouring passage passes through channel switch component
It is connected with the head of perfusion channel, the afterbody of described auxiliary pouring passage is provided with auxiliary pouring joint.
Preferably, described positioning tool rest and outer adz block are by locking broach shell phase locking, described lock broach shell and positioning
Tool rest is mutually positioned by locating detent, and described positioning tool rest is with passing through tool rest locknut phase locking between body；
It is provided between described motor connection axle and body in oil sealing fixed seat, described oil sealing fixed seat and is provided with oil sealing, institute
The motor connection axle stated between body by oil sealing with mutually being sealed, and the afterbody of described motor is mutually fixed with body by motor locknut
Position, the afterbody of described motor is provided with the line rear enclosure mutually positioned with body, and described line is located in line rear enclosure；
Described channel switch component, which includes being located in body, is provided with switch valve core, is provided with and filling in described switch valve core
Filled in the mobile communication hole that note passage is connected, described switch valve core provided with the activity auxiliary being connected with auxiliary pouring passage
Note passage, described switch valve core is rotated control by switch valve rod.
Preferably, described switch valve core is positioned with switch valve rod by switch lock parent phase, described switch valve core is led to
Cross O-ring mutually to seal with body, matched switch spacer pin, described switch valve are provided with switch valve rod in described body
Core is fastened with switch valve rod by switching fixing screws.
A kind of application method for the binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia for possessing auxiliary pouring function, is carried out according to the following steps：
(1), Preoperative Method works：
By the assembling of cutter operating assembly, motor runner assembly, adsorption operations component and auxiliary pouring component in body；
Absorption joint is connected with tissue pieces and waste collection system, tissue pieces and waste collection system and negative pressure device
Connection, closing switch valve handle；
Connect two groups of perfusion channels, one group is by perfusion channel, or after privacy protection sheath, physiological saline connection
The main perfusion channel of composition；Another two groups are by the auxiliary pouring pipeline in auxiliary pouring joint, body；Perfusion channel is exactly interior
Sight glass passage；
The auxiliary pouring passage constituted after movable auxiliary pouring passage, interior cavity, physiological saline connection, auxiliary pouring passage
Before enabling, closing switch valve handle；
(2), the operation technique stage：
Complete after above-mentioned Preoperative Method, open planing controller main frame, select Cutting instrument for cervical intervertebral disc hyperplasia rotating speed gear, in endoscope shooting
Under the monitoring of system, performed the operation according to the following steps：
1st, through perfusion channel, i.e. endoscopic working channel, or controllably irrigate physiological saline through privacy protection sheath is rinsed
Working region, to provide the clear visual field, it is ensured that accurate positioning；
2nd, the effective inserting paragraph of cutter is inserted into endoscopic working channel, or the effective inserting paragraph of cutter is inserted into privacy protection sheath
Manage, or exempt from sheath and be directly entered, until cutting tool insert proceeds to working region；Cutter described here refers to cutter operational group
Part；
3rd, adsorb destination organization for confirmation, it is to avoid accidentally injure normal structure, first by switch valve handle be opened into absorption/planing
Shelves, it is in connected state to make perfusion channel；Light to step on planing controller main frame Foot-controlled switch, now only perfusion channel produces attraction work
With, help to confirm destination organization it is adsorbed live；
4th, confirm to adsorb after destination organization, continue to step on planing controller main frame Foot-controlled switch, motor is in controller master
Come into operation under machine control, by motor connection axle, with the interior planing tool in cutter, the constant speed forwards/reverse in outer planing tool is rotated,
Tissue is crushed in planing；
By perfusion channel, by tissue pieces and waste liquid absorptive collection to tissue pieces and waste collection system, until
Destination organization is planed and suctioned out completely；
If the 5, irrigated by perfusion channel, working region degree of getting a clear view is not still good in art, causes patient to be difficult to distinguish
Other destination organization and normal structure, now while the controllable perfusion of holding perfusion channel, adjustment switch spacer pin makes switch valve
Core and switch valve handle are adjusted to position of the switch during auxiliary pouring, enable auxiliary pouring passage, carry out auxiliary pouring, controllably rinse work
Make region, you can effectively to lift working region degree of getting a clear view, to ensure accurate positioning, it is to avoid accidentally injure normal structure；
6th, if normal structure is sucked into cutting tool insert accidentally in art, it must now stop to step on planing controller main frame pin immediately
Control switch, and adjustment tissue switch spacer pin immediately, make switch valve core and switch valve handle be adjusted to position of the switch during auxiliary pouring；Open
Auxiliary pouring is carried out with auxiliary pouring passage, negative-pressure adsorption power is offset, promotes working region to realize pressure constant state, be sucked into cutter
The normal structure of cutter head can just be automatically exited from, it is to avoid cause further damage；
When the 7th, only enabling perfusion channel perfusion, or perfusion channel with the channel combined perfusion of auxiliary pouring, it will discontinuously can open
Close valve handle and be opened into absorption/planing shelves, perfusion channel is in open mode；It is light to step on planing controller main frame Foot-controlled switch, this
When only perfusion channel produce sucking action, the perfusion liquid of working region is that controllable convection current can be achieved, and helps to lift workspace
Domain degree of getting a clear view, preferably distinguishes destination organization and normal structure, improves the security of operation.
Increase the unique design of auxiliary pouring passage, it act as：First, auxiliary pouring is acted in art.In art if by
Perfusion channel is irrigated, and working region degree of getting a clear view is not still good in art, causes patient to be difficult discrimination objective tissue and normal group
Knit, now while the controllable perfusion of holding perfusion channel, enable auxiliary pouring passage and carry out auxiliary pouring, controllably rinse work
Make region, you can effectively to lift working region degree of getting a clear view, to ensure accurate positioning, it is to avoid accidentally injure normal structure.2nd, art
In if normal structure is sucked into cutting tool insert accidentally, can enable immediately auxiliary pouring passage carry out auxiliary pouring, offset negative pressure
Absorption affinity, promotes working region to realize pressure constant state, is sucked into the normal structure of cutting tool insert and can just automatically exit from, it is to avoid makes
Into further damage.
A kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia and its application method for possessing auxiliary pouring function that the present invention is provided, contributes to
Operating time is reduced, operation risk is reduced, ensures that operation is smoothed out.
Brief description of the drawings
Structural representation when Fig. 1 is the switch valve rod closure of the present invention；
Structural representation when Fig. 2 is the switch valve rod unlatching of the present invention；
Fig. 3 is the cross section structure diagram of A-A in Fig. 2；
Fig. 4 is the cross section structure diagram of D-D in Fig. 3.
Embodiment
Below by embodiment, Structure Figure is described in further detail to technical scheme.
Embodiment 1：As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of binary channels tissue planing for possessing auxiliary pouring function
Device, including body 1, the head of described body 1, which is provided with cutter operating assembly, described body 1, to be provided with and cutter operational group
Adsorption operations component and auxiliary pouring component are provided with the motor runner assembly that part is connected, described body 1；
Described cutter operating assembly includes positioning tool rest 2, and the head of described positioning tool rest 2 is provided with outer adz block 3, institute
Outer planing tool 4 is provided with the positioning tool rest 2 stated, described outer planing tool 4 is extended outward by outer adz block 3, described outer planing tool 4
In be provided with interior planing tool 5, described interior planing tool 5 mutually positioned by interior adz block 29, and interior cavity 6 is provided with described interior planing tool 5；
Described motor runner assembly includes motor 7, and the head of described motor 7 is provided with motor connection axle 8, described electricity
The head of machine connecting shaft 8 is mutually fixed with interior adz block 29, and the afterbody of described motor 7 is connected by line 9；
Described adsorption operations component includes being located at perfusion channel 10 in the upper end of body 1, described perfusion channel 10
Head is connected with interior cavity 6, and the afterbody of described perfusion channel 10, which is provided with absorption joint 11, described perfusion channel 10, to be set
There is channel switch component；
Described auxiliary pouring component includes auxiliary pouring passage 12, and described auxiliary pouring passage 12 passes through channel switch
Component is connected with the head of perfusion channel 10, and the afterbody of described auxiliary pouring passage 12 is provided with auxiliary pouring joint 13.
Described positioning tool rest 2 is with outer adz block 3 by locking the phase locking of broach shell 14, described lock broach shell 14 and positioning tool rest
2 are mutually positioned by locating detent 15, and described positioning tool rest 2 is with passing through the phase locking of tool rest locknut 16 between body 1；
It is provided between described motor connection axle 8 and body 1 in oil sealing fixed seat 17, described oil sealing fixed seat 17 provided with oil
Envelope 18, described motor connection axle 8 between body 1 by oil sealing 18 with mutually being sealed, and the afterbody of described motor 7 passes through motor locknut
19 mutually position with body 1, and the afterbody of described motor 7 is provided with the line rear enclosure 20 mutually positioned with body 1, and described line 9 is set
In line rear enclosure 20；
Described channel switch component, which includes being located in body 1, is provided with switch valve core 21, is set in described switch valve core 21
Have to be provided with the mobile communication hole 22 being connected with perfusion channel 10, described switch valve core 21 and be connected with auxiliary pouring passage 12
Logical movable auxiliary pouring passage 23, described switch valve core 21 is rotated control by switch valve rod 24.
Described switch valve core 21 is mutually positioned with switch valve rod 24 by switching locknut 25, and described switch valve core 21 passes through
O-ring 26 is mutually sealed with body 1, and the switch spacer pin 27 matched with switch valve rod 24 is provided with described body 1, described
Switch valve core 21 is fastened with switch valve rod 24 by switching fixing screws 28.
A kind of application method for the binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia for possessing auxiliary pouring function, is carried out according to the following steps：
(1), Preoperative Method works：
By the assembling of cutter operating assembly, motor runner assembly, adsorption operations component and auxiliary pouring component in body；
Absorption joint is connected with tissue pieces and waste collection system, tissue pieces and waste collection system and negative pressure device
Connection, closing switch valve handle；
Connect two groups of perfusion channels, one group is by perfusion channel, or after privacy protection sheath, physiological saline connection
The main perfusion channel of composition；Another two groups are by the auxiliary pouring pipeline in auxiliary pouring joint, body；Perfusion channel is exactly interior
Sight glass passage；
The auxiliary pouring passage constituted after movable auxiliary pouring passage, interior cavity, physiological saline connection, auxiliary pouring passage
Before enabling, closing switch valve handle；
(2), the operation technique stage：
Complete after above-mentioned Preoperative Method, open planing controller main frame, select Cutting instrument for cervical intervertebral disc hyperplasia rotating speed gear, in endoscope shooting
Under the monitoring of system, performed the operation according to the following steps：
1st, through perfusion channel, i.e. endoscopic working channel, or controllably irrigate physiological saline through privacy protection sheath is rinsed
Working region, to provide the clear visual field, it is ensured that accurate positioning；
2nd, the effective inserting paragraph of cutter is inserted into endoscopic working channel, or the effective inserting paragraph of cutter is inserted into privacy protection sheath
Manage, or exempt from sheath and be directly entered, until cutting tool insert proceeds to working region；Cutter described here refers to cutter operational group
Part；
3rd, adsorb destination organization for confirmation, it is to avoid accidentally injure normal structure, first by switch valve handle be opened into absorption/planing
Shelves, it is in connected state to make perfusion channel；Light to step on planing controller main frame Foot-controlled switch, now only perfusion channel produces attraction work
With, help to confirm destination organization it is adsorbed live；
4th, confirm to adsorb after destination organization, continue to step on planing controller main frame Foot-controlled switch, motor is in controller master
Come into operation under machine control, by motor connection axle, with the interior planing tool in cutter, the constant speed forwards/reverse in outer planing tool is rotated,
Tissue is crushed in planing；
By perfusion channel, by tissue pieces and waste liquid absorptive collection to tissue pieces and waste collection system, until
Destination organization is planed and suctioned out completely；
If the 5, irrigated by perfusion channel, working region degree of getting a clear view is not still good in art, causes patient to be difficult to distinguish
Other destination organization and normal structure, now while the controllable perfusion of holding perfusion channel, adjustment switch spacer pin makes switch valve
Core and switch valve handle are adjusted to position of the switch during auxiliary pouring, enable auxiliary pouring passage, carry out auxiliary pouring, controllably rinse work
Make region, you can effectively to lift working region degree of getting a clear view, to ensure accurate positioning, it is to avoid accidentally injure normal structure；
6th, if normal structure is sucked into cutting tool insert accidentally in art, it must now stop to step on planing controller main frame pin immediately
Control switch, and adjustment tissue switch spacer pin immediately, make switch valve core and switch valve handle be adjusted to position of the switch during auxiliary pouring；Open
Auxiliary pouring is carried out with auxiliary pouring passage, negative-pressure adsorption power is offset, promotes working region to realize pressure constant state, be sucked into cutter
The normal structure of cutter head can just be automatically exited from, it is to avoid cause further damage；
When the 7th, only enabling perfusion channel perfusion, or perfusion channel with the channel combined perfusion of auxiliary pouring, it will discontinuously can open
Close valve handle and be opened into absorption/planing shelves, perfusion channel is in open mode；It is light to step on planing controller main frame Foot-controlled switch, this
When only perfusion channel produce sucking action, the perfusion liquid of working region is that controllable convection current can be achieved, and helps to lift workspace
Domain degree of getting a clear view, preferably distinguishes destination organization and normal structure, improves the security of operation.
Claims (3)
1. a kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia for possessing auxiliary pouring function, it is characterised in that：Including body (1), described device
The head of body (1) is provided with cutter operating assembly, described body (1) to be rotated provided with the motor being connected with cutter operating assembly
Adsorption operations component and auxiliary pouring component are provided with component, described body (1)；
Described cutter operating assembly includes positioning tool rest (2), and the head of described positioning tool rest (2) is provided with outer adz block (3),
Outer planing tool (4) is provided with described positioning tool rest (2), described outer planing tool (4) is extended outward by outer adz block (3), institute
Interior planing tool (5) is provided with the outer planing tool (4) stated, described interior planing tool (5) is mutually positioned by interior adz block (29), described interior plane
Interior cavity (6) is provided with knife (5)；
Described motor runner assembly includes motor (7), and the head of described motor (7) is provided with motor connection axle (8), described
The head of motor connection axle (8) is mutually fixed with interior adz block (29), and the afterbody of described motor (7) is connected by line (9)；
Described adsorption operations component includes the perfusion channel (10) being located in body (1) upper end, described perfusion channel (10)
Head be connected with interior cavity (6), the afterbody of described perfusion channel (10) is provided with absorption joint (11), and described perfusion is led to
Channel switch component is provided with road (10)；
Described auxiliary pouring component includes auxiliary pouring passage (12), and described auxiliary pouring passage (12) passes through channel switch
Component is connected with the head of perfusion channel (10), and the afterbody of described auxiliary pouring passage (12) is provided with auxiliary pouring joint
(13)。
2. a kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia for possessing auxiliary pouring function according to claim 1, it is characterised in that：Institute
The positioning tool rest (2) stated is with outer adz block (3) by locking broach shell (14) phase locking, described lock broach shell (14) and positioning tool rest
(2) mutually positioned by locating detent (15), described positioning tool rest (2) is with passing through tool rest locknut (16) phase locking between body (1)；
It is provided with oil sealing fixed seat (17), described oil sealing fixed seat (17) and sets between described motor connection axle (8) and body (1)
There is oil sealing (18), described motor connection axle (8) between body (1) by oil sealing (18) with mutually sealing, the tail of described motor (7)
Portion is mutually positioned by motor locknut (19) with body (1), and the afterbody of described motor (7) is provided with the company mutually positioned with body (1)
Line rear enclosure (20), described line (9) is located in line rear enclosure (20)；
Described channel switch component, which includes being located in body (1), is provided with switch valve core (21), in described switch valve core (21)
Provided with the mobile communication hole (22) being connected with perfusion channel (10), it is provided with logical with auxiliary pouring in described switch valve core (21)
The movable auxiliary pouring passage (23) that road (12) is connected, described switch valve core (21) is rotated control by switch valve rod (24)
System.
3. a kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia for possessing auxiliary pouring function according to claim 2, it is characterised in that：Institute
The switch valve core (21) stated mutually is positioned with switch valve rod (24) by switching locknut (25), and described switch valve core (21) passes through O
Shape circle (26) is mutually sealed with body (1), and the switch spacer pin matched with switch valve rod (24) is provided with described body (1)
(27), described switch valve core (21) is fastened with switch valve rod (24) by switching fixing screws (28).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510228912.9A CN104887293B (en) | 2015-05-07 | 2015-05-07 | A kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia and its application method for possessing auxiliary pouring function |
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| CN201510228912.9A CN104887293B (en) | 2015-05-07 | 2015-05-07 | A kind of binary channels tissue Cutting instrument for cervical intervertebral disc hyperplasia and its application method for possessing auxiliary pouring function |
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| CN104887293A CN104887293A (en) | 2015-09-09 |
| CN104887293B true CN104887293B (en) | 2017-08-04 |
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| EP3957259B1 (en) * | 2014-03-12 | 2023-09-27 | Boston Scientific Limited | Infusion lubricated atherectomy catheter |
| CN111419335B (en) * | 2020-04-24 | 2024-05-17 | 北京天星医疗股份有限公司 | Joint planing device |
| CN111973248A (en) * | 2020-08-18 | 2020-11-24 | 北京鸿鹄高翔科技开发有限公司 | Manual planing system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204698652U (en) * | 2015-05-07 | 2015-10-14 | 刘春晓 | A kind of dual pathways possessing auxiliary pouring function organizes Cutting instrument for cervical intervertebral disc hyperplasia |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2149871Y (en) * | 1992-03-02 | 1993-12-22 | 于仁忠 | Sucking-cutting device for liver |
| WO2011028203A1 (en) * | 2009-09-02 | 2011-03-10 | Reflow Medical Inc. | Systems, methods and devices for ablation, crossing, and cutting of occlusions |
| CN103156670B (en) * | 2013-03-29 | 2015-04-29 | 杭州桐庐医达器械设备有限公司 | Multifunctional absorbing rotary cutting machine of soft tissue in human body enterocoelia |
| CN103989505B (en) * | 2014-01-15 | 2016-07-06 | 刘春晓 | Dynamical tissue is cuted out except planing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204698652U (en) * | 2015-05-07 | 2015-10-14 | 刘春晓 | A kind of dual pathways possessing auxiliary pouring function organizes Cutting instrument for cervical intervertebral disc hyperplasia |
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