CN108309379A - The minimally invasive channel of the novel intelligent anatomical form anterior cervical operation of multidirectional adjusting - Google Patents
The minimally invasive channel of the novel intelligent anatomical form anterior cervical operation of multidirectional adjusting Download PDFInfo
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- CN108309379A CN108309379A CN201810164192.8A CN201810164192A CN108309379A CN 108309379 A CN108309379 A CN 108309379A CN 201810164192 A CN201810164192 A CN 201810164192A CN 108309379 A CN108309379 A CN 108309379A
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- baffle
- dilator
- anterior cervical
- side baffle
- cervical operation
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
- A61B2017/0256—Joint distractors for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
Abstract
The invention discloses a kind of minimally invasive channels of novel intelligent anatomical form anterior cervical operation of multidirectional adjusting, including cervical intervertebral dilator, anterior cervical operation side baffle, side baffle fixator and snakelike arm, cervical intervertebral dilator includes fixing glue and the dilator that is nested in fixing glue, and dilator end is equipped with the connecting interface for being connected with snakelike arm；The width of anterior cervical operation side baffle is 20mm 24mm or 35mm 41mm；Depth is 50mm 80mm；For anterior cervical operation side baffle from bottom end to the 1/4 1/5 of top constriction width, top uses unobstructed design；Side baffle fixator is laid out using U-shaped, and U-shaped bottom side is divided into two parts, and side is hollow metal connecting tube, and the other side is toothed metallic rod.Procedure efficiency can be improved in the present invention, saves the surgery anesthesia time, reduces expense, improve procedure efficiency, shorten operative incision, reduce amount of bleeding, promotes Rehabilitation.
Description
Technical field
The present invention relates to field of spinal surgery, and in particular to a kind of novel intelligent anatomical form anterior cervical operation of multidirectional adjusting
Minimally invasive channel.
Background technology
With the continuous progress of modern science and technology, Minimally invasive procedure technology continues to develop, wherein under minimally invasive channel
It the core procedure of spinal operations, the ease for use of Path Setup process, the tune of accuracy, exposure range such as can be depressurized, be merged
The problems such as section property, determines the smooth degree of operation.Currently used cervical operation drag hook includes self-retractor and Semi-automatic retractor
Two kinds of designs.Semi-automatic retractor only devises vertebrae strutting device, and retractor is placed on fixing glue after fixing glue is squeezed into centrum
On, drawing realize it is interpyramidal struts, but appearing for side relies primarily on the realization of assistant's manpower, because of the fatigability of human hand and resistance to
Long sex chromosome mosaicism, drag hook position can often change, and the strength of drag hook can not judge completely, probably due to excessively pulling in art
Or squeeze tracheae and/or oesophagus, cause trachealgia the damage even generation of tracheoesophageal fistula, show as postoperative dysphagia,
Oral cavity regurgitation of food, pneumoderm, neck swelling, expiratory dyspnea etc. bring great pain to patient, once and in oesophagus
It is tolerant to lead to fatefulue infection (mediastinitis, septicopyemia, meningitis), the death rate 50%, can cause it is catastrophic after
Fruit.For its incidence of document report between 2%-8%, mechanism is main to appear related to operation, including sharp instruments without
Damage between meaning, electric injury or perforates caused by accidentally setting retractor.And arteria carotis is damaged in art can cause massive haemorrhage to cause patient dead
It dies, although its incidence is 0.1%, once occurs also cause serious consequence, if other excessively drawing arteria carotis can be made
Change even cerebral apoplexy, advanced age longer especially for operating time and the patient for having artery sclerosis at cerebral ischemia, although more
Half can gradually restore after the several months, but still have some patients to leave permanent hemiplegia.
In view of the above problems, the manpower control for whether changing side baffle is the hair that self-retractor can reduce above-mentioned complication
Raw risk.Forefathers have devised a series of side fixed baffle.If Medtronic, Johnson ＆ Johnson and domestic multiple commercial vendors include prestige
The companies such as height, Kang Hui.These drag hooks can clearly reduce Accessory injury caused by the error of manual operation, but also expose some and ask
Topic, if controllability is poor, depth and width, angle, the position adjustable range of drag hook baffle are smaller, the size of different model drag hook
All operations may not be able to be met, ideal requirement can not be fully achieved for the accuracy requirement of cervical operation；In addition
Trachealgia and arteria carotis pressure cannot be monitored, pressure selects improper or long-term surgery that may lead to cerebral ischemia and food
The generation of pipe tracheal injury.And due to supplier, all models can not be completely provided, operating difficulty is caused to increase
Add.In addition, with the development of operating robot and intelligent surgical apparatus, to the accurate detection and control of surgical procedure to performing the operation
More stringent requirements are proposed for equipment.
Invention content
To solve the above problems, the present invention provides a kind of novel intelligent anatomical form anterior cervical operation of multidirectional adjusting is minimally invasive
Channel anatomical form self-retractor hook side gear is designed according to ergonomics, mechanics principle and cervical vertebra anatomical data
Plate reaches ideal blocking purpose, solves the problems, such as that traditional baffle cannot fully effective blocking and control；In baffle design
On, using eight to design-adjustable, it can be achieved that baffle is realized personalized in the multi-faceted adjusting of blocking position, angle and depth
The purpose of individual operation provides the maximum visual field for operation；Design automation side baffle, has liberated both hands, cervical operation
2 people's operative models are changed to from traditional 3-4 people's operative model, and reduce the risk of tracheae basket, oesophagus basket and injury of blood vessel, and
Expansion and computerized navigation set and the interconnection of robotic surgery equipment can be carried out, scheme is provided for automatic precision operation.
To achieve the above object, the technical solution that the present invention takes is：
The minimally invasive channel of the novel intelligent anatomical form anterior cervical operation of multidirectional adjusting, including cervical intervertebral dilator, anterior approach
It performs the operation side baffle, side baffle fixator and snakelike arm, the cervical intervertebral dilator includes fixing glue and is nested in institute
The dilator in fixing glue is stated, the length of the fixing glue is 120-140mm, a diameter of 2-3mm, the threaded limit depth 8- in distal end
10mm realizes that strutting centrum operates convenient for being fixed on centrum, and the dilator struts bar (14) including two, and two strut bar (14)
Horizontal ends be connected by screw thread, one of supporting rod (14) one end is equipped with externally threaded connecting rod (15), another branch
Strut (14) one end is equipped with the connecting tube (16) with the matched band internal thread (12) of the connecting rod (15), and the connecting tube
(16) it is threaded with one on and screws gear (13), screws gear (13) and is connected with internal thread, the dilator is for realizing solid
The purpose determined and retracted, it is 10mm-80mm to strut Design of length, meets the needs of three vertebra corpectomies.Dilator end is set
It is useful for the connecting interface being connected with snakelike arm；The width of anterior cervical operation side baffle is 20mm-24mm or 35mm-
41mm meets the purpose of single segmental or the operation of multi-segmental Nuclectomy anterior stabilization and the decompression of preceding road vertebra corpectomy respectively；It is deep
Degree is 50mm-80mm, can meet the requirement of different probing depths；Anterior cervical operation side baffle is from bottom end to top constriction width
1/4-1/5, top uses unobstructed design, outward 30 ° -45 ° of angulation, end stop fluting that can place light source, bottom end is set
Meter passivity rearward extends baffle, in 1/3 without extension, observable soft tissue is in 45 ° of angles with baffle, length 3mm-5mm,
Prevent soft tissue from sliding；Anterior cervical operation side baffle includes carbon fiber layer, and the carbon fiber layer surface smear has can be real
The coating of existing opto-electronic conversion, can convert light source in art and light for operating rooms to electric energy, supply the electronics built in the baffle of side and pass
Sensor uses；Several pressure sensors are also equipped on the baffle of the anterior cervical operation side, for monitoring arteriovenous blood in real time
Pressure and oesophagus tracheal pressure, design pressure and time threshold lead to blood flow volume reduction or trachealgia group when pressure is larger
It knits oedema and reaches threshold value alarm, remind patient to be adjusted, avoid the generation of complication；The side baffle fixator uses
U-shaped is laid out, and U-shaped bottom side is divided into two parts, and side is hollow metal connecting tube, and the other side is toothed metallic rod, described
Metallic rod is flexibly connected by knob gear with metal connecting tube, and twisting knob gear can realize that inside and outside side stay is opened, and unclamp knob
Gear realizes that unlock, distracted ranging from 1mm-30mm, the side of U-shaped are equipped with the lock port in irregular, realize and
The locking of baffle end fixing groove ensures that baffle and fixator are not detached and slid when inside and outside side stay is opened, side baffle fixator
It is equipped with the diagonal jack being inserted into for realizing light source；It is ball-and-socket cylindrarthrosis that side baffle fixator, which is inserted into baffle position rear,
Structure is equipped with locking knob, realizes that the adjusting of drawing angle, adjustable extent are each 20 ° of interior outside when release, can be locked when tightening
Dead mobility, the angle after secured adjusted；It is equipped with depth adjustment knob at the rear of locking knob, when release can realize gear
The adjusting of plate depth, the amplitude of accommodation are up and down 10mm.
Preferably, the snakelike arm is using conventional snakelike arm configuration, including operating bed fixator, metal tie rods and Duo Lian
Bar angle regulator.
Preferably, the specification of the dilator is based on the anatomical datas such as centrum sagittal diameter, is realized by dentation screw double
To strutting, using metal material or composite material.
Preferably, the anatomical data of transverse diameter and height of the anterior cervical operation side baffle based on centrum, interior placement
Have a cold light source, select carbon fiber or it is compound can nonopaque material manufacture.
The invention has the advantages that：
The patient that row anterior decompression merges, the dissection for realizing channel is needed to set for cervical spondylosis caused by a variety of causes
Meter, various dimensions adjust and intelligentized detection.Reduce the complication rates such as cerebral ischemia and trachealgia basket；It is drawn using automatic
The 3-4 people of traditional operation can be reduced to 2 people by the mode of hook, and can avoid manpower drag hook position mutability, need to repeatedly adjust ability
The drawbacks of completing operation improves procedure efficiency, saves the surgery anesthesia time, reduce expense, improve procedure efficiency；With big
Amount human spine vertebral anatomy data are foundation, devise side baffle configurations, Sizes can reach the accurate of operation
Change, the purpose of minimally invasiveization, shortens operative incision, reduce amount of bleeding, promote Rehabilitation；The design in the novel channel exists
While meeting routine operation demand, beneficial reference also is provided for future navigation and robot cervical vertebra anterior approach, is realized
The purpose of automation control and requirement.
Description of the drawings
Fig. 1 is cervical intervertebral dilator structural schematic diagram in the embodiment of the present invention.
Fig. 2 is anterior cervical operation side baffle front schematic view in the embodiment of the present invention.
Fig. 3 is side baffle fixer structure schematic diagram in the embodiment of the present invention.
Fig. 4 is the side view of side baffle in the embodiment of the present invention
Fig. 5 is the structural schematic diagram of fixing glue in the embodiment of the present invention.
Specific implementation mode
In order to make objects and advantages of the present invention be more clearly understood, the present invention is carried out with reference to embodiments further
It is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
As Figure 1-Figure 5, an embodiment of the present invention provides a kind of novel intelligent anatomical form anterior cervical vertebrae hands of multidirectional adjusting
The minimally invasive channel of art, including cervical intervertebral dilator, anterior cervical operation side baffle, side baffle fixator and snakelike arm, it is described
Cervical intervertebral dilator includes fixing glue and the dilator that is nested in the fixing glue, and the length of the fixing glue is
120mm, a diameter of 2mm, the threaded limit depth 10mm in distal end realize that strutting centrum operates convenient for being fixed on centrum, described to strut
Device struts bar (14) including two, and two horizontal ends for strutting bar (14) are connected by screw thread, and one of supporting rod (14) one end is set
Have with externally threaded connecting rod (15), another supporting rod (14) one end is equipped with and spiral shell in the connecting rod (15) matched band
The connecting tube (16) of line (12), and be threaded with one in the connecting tube (16) and screw gear (13), screw gear (13) with
Internal thread is connected, and for the dilator for realizing purpose that is fixed and retracting, it is 10mm-80mm to strut Design of length, meets three
The demand of a vertebra corpectomy；For the dilator for realizing purpose that is fixed and retracting, it is 10mm- to strut Design of length
80mm meets the needs of three vertebra corpectomies；Dilator end is equipped with the connecting interface for being connected with snakelike arm；By looking into
Document is read, we have obtained a series of important anatomical datas about cervical vertebra self-retractor.Zhang Baoqing etc. is by measuring 92
Vertebral height, transverse diameter and the radius vector for having 1868 vertebras have shown that data, cervical vertebral body height man, women are respectively
15.08±0.24mm、13.63±0.22mm.Transverse diameter man, women are respectively 19.70 ± 0.42,18.86 ± 0.39；Gender differences
Not statistically significant (P ＞ 0.05).Katrina Leung etc. amounts to 2016 vertebras to 99 secondary spinal bones and measured, and finds neck
Height man, the women of vertebra centrum are respectively 14.54 ± 0.15mm, 13.16 ± 0.17mm.Transverse diameter man, women be respectively 22.52 ±
0.23mm、22.15±0.34mm；Gender differences are not statistically significant (P ＞ 0.05).According to another document report, cervical intervertebral disk thickness
Average out to 4mm, thoracic disc thickness are about 6mm, and lumber ertebral disc thickness is 9mm.Based on the above anatomical data, we are according to vertebra
The width of the height design side baffle of body, is the height of 1.5-2.5 centrums, according to data above, the anterior cervical operation side
The width of square baffle is 20mm-24mm or 35mm-41mm, meets single segmental or the operation of multi-segmental Nuclectomy anterior stabilization respectively
With the purpose of preceding road vertebra corpectomy decompression；Depth is 50mm-80mm, can meet the requirement of different probing depths；Anterior approach hand
Art side baffle is from bottom end to the 1/4-1/5 of top constriction width, and top uses unobstructed design, outward 30 ° -45 ° of angulation,
End stop is slotted, and can place light source, and bottom end design passivity rearward extends baffle, in 1/3 without extension, observable soft tissue,
It is in 45 ° of angles with baffle, length 3mm-5mm prevents soft tissue from sliding；Anterior cervical operation side baffle includes carbon fiber
Layer, the carbon fiber layer surface smear have the coating of achievable opto-electronic conversion, can convert light source in art and light for operating rooms to
Electric energy is supplied the electronic sensor built in the baffle of side and is used；If being also equipped with dry-pressing on the baffle of the anterior cervical operation side
Force snesor is led for monitoring arteriovenous blood pressure and oesophagus tracheal pressure, design pressure and time threshold in real time when pressure is larger
It causes blood flow volume reduction or trachealgia tissue edema to reach threshold value alarm, reminds patient to be adjusted, avoid complication
Generation；The side baffle fixator is laid out using U-shaped, and U-shaped bottom side is divided into two parts, and side is that hollow metal connects
Pipe, the other side are toothed metallic rod, and the metallic rod is flexibly connected by knob gear with metal connecting tube, twist knob tooth
Wheel can be achieved inside and outside side stay and open, and unclamps knob gear and realizes unlock, distracted ranging from 1mm-30mm, the side of U-shaped, which is equipped with, is in
The lock port of irregular realizes the locking with baffle end fixing groove, ensures baffle and fixator when inside and outside side stay is opened
It does not detach and slides, side baffle fixator is equipped with the diagonal jack being inserted into for realizing light source；Side baffle fixator is inserted
It is ball-and-socket cylindrarthrosis structure to enter baffle position rear, is equipped with locking knob, and the adjusting of drawing angle is realized when release, is adjusted
Each 20 ° of outside in ranging from, lockable mobility when tightening, the angle after secured adjusted；It is set at the rear of locking knob
There is a depth adjustment knob, when release can realize the adjusting of baffle depth, and the amplitude of accommodation is up and down 10mm.The snakelike arm uses
Conventional snakelike arm configuration, including operating bed fixator, metal tie rods and multi link angle regulator.The rule of the dilator
Lattice struts, using metal material or composite material in anatomical datas such as centrum sagittal diameters by the way that the realization of dentation screw is two-way.
The anatomical data of transverse diameter and height of the anterior cervical operation side baffle based on centrum is inside placed with cold light source, selects carbon
Fiber or it is compound can nonopaque material manufacture.
As shown in figure 4, being set on the side baffle, there are two sensors, and one is pressure sensor, experience to outside blood
The pressure of pipe and inside tracheae, oesophagus；One is light energy collection device, receives energy caused by illumination, as the adjusting blade
Movable microkinetic.
No matter any operation, the exposure of good visual area is the important guarantee that patient completes operation, is not gone out in process-exposed
An important factor for existing Accessory injury and complication are successful surgeries.The present invention is on the basis of fixed centrum nail is distracted, design dissection
Type side baffle realizes the multidirectional adjusting of baffle and the automatic fixation of drag hook, reduces manual operation by mechanics principle
Mutability and randomness, and save manpower；By photoelectricity transformation principle realize conversion from lighting source to electric energy and directly to
Pressure sensor is powered, which realizes pressure of the examinations baffle to oesophagus, tracheae by being wirelessly connected to display screen
With the purpose of Blood pressure of carotid artery.
Concrete operation method is as follows：
Above-mentioned multidirectional adjusting can only the minimally invasive channel of anatomical form cervical operation in use, being operated according to the following steps.(1)
Baffle requirements ethylene oxide sterilizing with sensor, can not high temperature and high pressure steam sterilizing；(2) after anaesthetizing successfully, patient is completed
Position support, after positioning exposure need to perform the operation cervical vertebral segment, have an X-rayed and determine position；(3) after dilator struts, baffle and baffle are connected
Fixator, in baffle to notch in front of centrum, turning knob is strutted, and percentage regulation adjusting knob is extremely as needed after strutting
Suitable depth adjusts angle baffle plate to suitable angle, and snakelike arm fixed baffle fixator ensures that position no longer changes, then
Place light source；(4) pressure sensor is checked, micro tune can be carried out if reaching threshold value by understanding arterial pressure and tracheae esophageal pressure
Within section to safe range, complication is reduced.(5) if needing to change baffle position in art, detachable lower block board binding is according to step 3
Shown method is adjusted again.(6) vertebrae strutting device is removed after completing decompression, steel plate screw is completed and fixes recession lower side gear
Plate, detects whether the tissues such as organ and oesophagus damage, layer-by-layer suture notch, completes operation.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (3)
1. the minimally invasive channel of the novel intelligent anatomical form anterior cervical operation of multidirectional adjusting, which is characterized in that strutted including cervical intervertebral
Device (1), anterior cervical operation side baffle (2), side baffle fixator (3) and snakelike arm (4), the cervical intervertebral dilator
(1) include fixing glue (11) and be nested in the fixing glue dilator of (11), i.e., insert hollow loop bar (14) is nested
In in fixing glue (11), the length of the fixing glue is 120-140mm, a diameter of 2-3mm, the screw thread of distal end belt length 8-10mm,
The dilator struts bar (14) including two, and two horizontal ends for strutting bar (14) are connected by screw thread, one of supporting rod
(14) one end is equipped with externally threaded connecting rod (15), another supporting rod (14) one end is equipped with to match with the connecting rod (15)
The connecting tube (16) of the band internal thread (12) of conjunction, and be threaded with one in the connecting tube (16) and screw gear (13), it screws
Gear (13) is connected with internal thread, and for the dilator for realizing purpose that is fixed and retracting, it is 10mm- to strut Design of length
80mm meets the needs of three vertebra corpectomies；Dilator end is equipped with the connecting interface for being connected with snakelike arm (4)
(41)；The width of anterior cervical operation side baffle (2) is 20mm-24mm or 35mm-41mm；Depth is 50mm-80mm；Neck
The width of anterior approach side baffle (2) from bottom end to top constriction 1/4-1/5, top use unobstructed design, outward at
30 ° -45 ° of angle, end are equipped with diagonal jack (24) for placing light source, and bottom end is obtuse, rearward extends baffle, in 1/3
Without extension, observable soft tissue is in 45 ° of angles, length 3mm-5mm with baffle；Anterior cervical operation side baffle (2) wraps
Include carbon fiber layer (21), carbon fiber layer (21) surface smear has the coating of achievable opto-electronic conversion, can by light source in art and
Light for operating rooms is converted into electric energy, supplies the electronic sensor (22) built in the baffle of side and uses；The anterior cervical operation side
Several pressure sensors (23) are also equipped on baffle (2), for monitoring arteriovenous blood pressure and oesophagus tracheal pressure, design in real time
Pressure and time threshold cause blood flow volume reduction or trachealgia tissue edema to reach threshold value alarm when pressure is larger,
It reminds patient to be adjusted, avoids the generation of complication；The side baffle fixator (3) is laid out using U-shaped, including in two
Empty metal connecting tube (31) and a toothed metallic rod (32) in inside, the metallic rod (32) pass through knob gear (33) and two
The metal connecting tube (31) at end is flexibly connected, and twisting knob gear can realize that inside and outside side stay is opened, and unclamp knob gear and realize unlock,
The metal connecting tube (31) of distracted ranging from 10mm-30mm, right side are equipped with a snakelike arm connecting interface (34), the side of U-shaped
Side is equipped with the lock port (36) in irregular, and it is ball-and-socket shape that side baffle fixator (3), which is inserted into baffle position rear,
Joint structure (35) is equipped with locking knob, realizes that the adjusting of drawing angle, adjustable extent are each 20 ° of interior outside when release, twists
Lockable mobility when tight, the angle after secured adjusted；It is equipped with depth adjustment knob at the rear of locking knob, when release
The adjusting of baffle depth can be achieved, the amplitude of accommodation is up and down 10mm.
2. the minimally invasive channel of the novel intelligent anatomical form anterior cervical operation of multidirectional adjusting as described in claim 1, which is characterized in that
The specification of the dilator is based on anatomical data, is strutted by the way that the realization of dentation screw is two-way, using metal material or composite wood
Material.
3. the minimally invasive channel of the novel intelligent anatomical form anterior cervical operation of multidirectional adjusting as described in claim 1, which is characterized in that
The anatomical data of transverse diameter and height of the anterior cervical operation side baffle based on centrum is inside placed with cold light source, selects carbon
Fiber or it is compound can nonopaque material manufacture.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009136A (en) * | 2018-08-30 | 2018-12-18 | 中国人民解放军第二军医大学第二附属医院 | A kind of novel intervertebral measuring appliance |
| CN110025340A (en) * | 2019-03-19 | 2019-07-19 | 郑州市骨科医院 | A kind of knee joint dilator |
| CN113349878A (en) * | 2021-04-30 | 2021-09-07 | 四川大学华西医院 | Operation guide plate for anterior cervical vertebral osteotomy and design method thereof |
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| CN201001745Y (en) * | 2007-02-08 | 2008-01-09 | 崔志明 | Nerve root retractor |
| CN204500814U (en) * | 2015-02-16 | 2015-07-29 | 李鹏 | A kind of novel built-in cold light source cervical operation drag hook |
| CN205126323U (en) * | 2015-11-27 | 2016-04-06 | 南阳医学高等专科学校第三附属医院 | Novel drag hook for general surgery department surgery |
| CN107157534A (en) * | 2017-06-21 | 2017-09-15 | 上海三友医疗器械股份有限公司 | Pyramidal support device assembly |
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| CN109009136A (en) * | 2018-08-30 | 2018-12-18 | 中国人民解放军第二军医大学第二附属医院 | A kind of novel intervertebral measuring appliance |
| CN109009136B (en) * | 2018-08-30 | 2024-03-22 | 中国人民解放军第二军医大学第二附属医院 | Novel intervertebral measuring device |
| CN110025340A (en) * | 2019-03-19 | 2019-07-19 | 郑州市骨科医院 | A kind of knee joint dilator |
| CN113349878A (en) * | 2021-04-30 | 2021-09-07 | 四川大学华西医院 | Operation guide plate for anterior cervical vertebral osteotomy and design method thereof |
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