CN206482644U - A kind of split type Ti alloy skull bone distraction apparatus - Google Patents
A kind of split type Ti alloy skull bone distraction apparatus Download PDFInfo
- Publication number
- CN206482644U CN206482644U CN201621177922.0U CN201621177922U CN206482644U CN 206482644 U CN206482644 U CN 206482644U CN 201621177922 U CN201621177922 U CN 201621177922U CN 206482644 U CN206482644 U CN 206482644U
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- Prior art keywords
- traction bow
- screw
- head piece
- bow
- screw rod
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Abstract
The utility model provides a kind of split type Ti alloy skull bone distraction apparatus, including：Head piece (1), left traction bow (2), right traction bow (3) and two hand screw type tapping screws (4), the head piece (1) is a threaded cross bar, weight draw hook (5) is set in the middle part of the head piece (1), the left traction bow (2) and right traction bow (3) are arcuation, top sets connecting hole respectively, the head piece (1) is penetrated in the left traction bow (2) and the respective top connecting hole of the right traction bow (3), left traction bow (2) and right traction bow (3) afterbody set spacing hole respectively, two hand screw type tapping screws (4) are respectively penetrated in the afterbody spacing hole of the left traction bow (2) and the right traction bow (3).The device can be directed to the sized size of different patients, simple to operate time saving, and the probability of secondary damage and infection is substantially reduced without dismounting during patient's nuclear magnetic resonance check after installation.
Description
Technical field
The utility model belongs to clinical treatment nursing field, more particularly to a kind of split type Ti alloy skull bone distraction apparatus.
Background technology
Skull traction is the requisite measure of cervical spinal injury early treatment, is needed during treatment with skull traction device to skull
Continuous traction.The skull traction device that clinic is generally used at present is generally Crutchfield formula skull traction bows, is existed following several
Individual shortcoming：First, skull traction bow is generally stainless steel, can not be used when patient need to do nuclear magnetic resonance check, is needed anti-
Multiple dismounting, larger pain and inconvenience are brought to patient, and medical personnel's operation sequence becomes more complicated, and due to peace repeatedly
Dress, causes the expansion in skull traction hole, easily causes skull traction bow and comes off or even infect；Second, existing skull traction
Bow be generally fixed dimension, it is impossible to it is inconvenient for use according to patient's head circumference adjusting size, and put nail need often by vice,
The instruments such as screwdriver, one man operation is relatively difficult, wastes time and energy, and even delays patient when running into the patient of emergency treatment cervical spine injury
Optimal rescue time；3rd, if carrying out prebored hole before skull traction, its depth is difficult to control to, and drilling is too deep easily by cranium
Endosteal lamella is drilled, damage skull inner tissue, causes catastrophic effect, the too simple and easy cause traction bow of drilling is slipped, or even infection.
Chinese patent literature CN201210062951.2 discloses a kind of hand adjustable skull traction device and its used
Method, its shortcoming is that self-tapping screw is screwed into skull needs by instruments such as screwdrivers, and operation is inconvenient, and patient's subjective experience is not
It is good, and infection is easily caused, limit the use in Clinical practice.
Chinese patent literature CN201520810775.5 discloses a kind of composite cranium for having and detachably detecting suspension member
Bone traction bends, and its shortcoming is：Skull traction bow size is fixed, and can not be carried out in emergency treatment patient procedure according to patient's head circumference
Regulation, it is difficult to find self-tapping screw entry point accurately, easily abjection causes secondary damage and infection；It is screwed into simultaneously there is also self-tapping screw
Skull is needed by this problem of the instruments such as screwdriver.
The content of the invention
For above-mentioned deficiency, the utility model provides a kind of split type Ti alloy skull bone distraction apparatus, can be directed to different diseases
People adjusts draw-gear size, simple to operate time saving without aid during demolition, installation, and patient's nuclear-magnetism is total to after installation
Shake when checking without dismounting, safely and effectively, substantially reduce the probability of secondary damage and infection.
The utility model realized by such technical scheme, a kind of split type Ti alloy skull bone distraction apparatus,
Including：
Head piece, the head piece is a threaded cross bar, and weight draw hook is set in the middle part of the head piece；
Left traction bow and right traction bow, the left traction bow and right traction bow are arcuation, and top sets connecting hole respectively, institute
State head piece to penetrate in the left traction bow and the respective top connecting hole of the right traction bow, left traction bow and right traction bow tail
Portion sets spacing hole respectively；
Two hand screw type tapping screws, the hand screw type tapping screw is made up of screw rod, stop nut and handle, the spiral shell
Bar top is drill bit, and the stop nut is located on the screw rod, is connected with the screw flight, can be by being threaded in or out certainly
By adjusting position, the handle is located at the screw rod tail, is fixedly connected with the screw rod, two hand screw type tapping screws
In the afterbody spacing hole for respectively penetrating the left traction bow and the right traction bow；
The material of above-mentioned all devices is all titanium alloy.
It is further that left locking device and right locking device are symmetrical set on the head piece, the left locking dress
Put, the nut of right locking device respectively for a pair of titanium alloys, be threadedly coupled with head piece, can pass through to screw in and screw out adjusting position, a left side
Connecting hole at the top of traction bow is located between two nuts of left locking device, and the connecting hole at the top of right traction bow is located at right locking
Between two nuts of device, the nut for adjusting left and right locking device can adjust the relative position of left and right traction bow, and by it is left,
Right traction bow position locking.
It is further that the left traction bow is identical with the spacing bore dia of afterbody of the right traction bow, and more than the hand
Rotating tapping screw screw diameter, less than the stop nut overall diameter on the hand screw type tapping screw.
It is further the screw rod position setting scale groove of the hand screw type tapping screw, can intuitively measures the hand rotation
The screw-in depth of formula tapping screw.
It is further that the hand screw type tapping screw is vertical with the left traction bow or right traction bow afterbody penetrated, with
15 °~20 ° of horizontal line angle.
It is further that the head piece central point is zero point, graduation mark is set respectively to the left and to the right, can intuitively be adjusted
Left and right traction bow distance, and make left and right traction bow with point symmetry in head piece.
Preferably, the titanium alloy material of the draw-gear is closes the antibacterial titanium alloy of the diamagnetism metal ions such as copper, silver,
Or the table such as the sandwich nanostructured through immobilized chitosan-Atorvastatin conjugate and metatitanic acid-silver nano-grain-metatitanic acid
The antibacterial titanium alloy of face processing, antibacterial titanium alloy can anti-inflammatory, sterilization, effective anti-infection.
Preferably, hand screw type tapping screw is provided with green, yellow, the red safe scale of 3 color, green is place of safety, and yellow is police
Show area, red is hazardous area, improves the security that screw is inserted.
Preferably, the handle of hand screw type tapping screw is ear structure, facilitate hand operation.
This split type Ti alloy skull bone distraction apparatus provided as a result of said structure, the utility model, antibacterial
Titanium alloy material makes the draw-gear, without dismounting, alleviate the pain of patient when patient's nuclear magnetic resonance is checked, reduce
Medical personnel's workload, it is to avoid occur secondary injury, and antibiotic anti-infection；It can be filled for different patients by left and right locking
Put regulation, lock the relative position of left and right traction bow, make left and right traction bow with reference to the graduation mark on head piece with head piece
Point symmetry, prevents left and right traction bow unbalance stress；Hand screw type tapping screw without aid can hand operation, it is simple and convenient,
And screw-in depth can intuitively be measured according to color scale, prevented shallow or too deep situation and occurred.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is hand screw type tapping screw structural representation in the utility model.
Embodiment
It is right below in conjunction with the accompanying drawings in order to be more clearly understood from the purpose of this utility model, technical scheme and beneficial effect
The utility model is described further, but protection domain of the present utility model is not limited in the examples below.
As shown in Figure 1 and Figure 2, a kind of split type Ti alloy skull bone distraction apparatus, including：Head piece 1, left traction bow 2,
Right traction bow 3 and two hand screw type tapping screws 4, the head piece 1 are a threaded cross bar, at the middle part of head piece 1
Weight draw hook 5 is set, and the left traction bow 2 and right traction bow 3 are arcuation, and top sets connecting hole, the head piece 1 respectively
Penetrate in the left traction bow 2 and the respective top connecting hole of the right traction bow 3, left traction bow 2 and right traction bow 3 portion
Spacing hole is not set, and the hand screw type tapping screw 4 is made up of screw rod 8, stop nut 9 and handle 10, the top of screw rod 8 is
Drill bit, the stop nut 9 is located on the screw rod 8, is threadedly coupled with the screw rod 8, can be by being threaded in or out free tune
Position is saved, the handle 10 is an ear structure, facilitates hand operation, positioned at the afterbody of screw rod 8, is fixed with the screw rod 8
Connection, two hand screw type tapping screws 4 respectively penetrate the afterbody spacing hole of the left traction bow 2 and the right traction bow 3
In, left locking device 6 and right locking device 7, the left locking device 6, right locking dress are symmetrical set on the head piece 1
It is respectively a pair of nuts to put 7, is threadedly coupled with head piece 1, can screw out adjusting position by screwing in, the connection at the left top of traction bow 2
Hole position is between two nuts of left locking device 6, and the connecting hole at the right top of traction bow 3 is located at two spiral shells of right locking device 7
Between mother, adjust left locking device 6, the nut of right locking device 7 and can adjust left traction bow 2, the relative position of right traction bow 3,
And lock left traction bow 2, the position of right traction bow 3, the spacing bore dia of afterbody of the left traction bow 2 and the right traction bow 3
It is identical, and more than the diameter of 4 screw rod of hand screw type tapping screw 8, less than the stop nut 9 on the hand screw type tapping screw 4
Overall diameter, the position of screw rod 8 of the hand screw type tapping screw 4 sets scale groove, provided with green, yellow, the red safe scale of 3 color, green
For place of safety, yellow is alert zone, and red is hazardous area, can intuitively measure screw-in depth, improves the security that screw is inserted,
The hand screw type tapping screw 4 is vertical with the left traction bow 2 or the afterbody of right traction bow 3 that penetrate, with 15 ° of horizontal line angle~
20 °, the central point of head piece 1 is zero point, sets graduation mark respectively to the left and to the right, can intuitively adjust left traction bow 2, the right side and lead
Draw a bow 3 distances, and makes left traction bow 2, right traction bow 3 with point symmetry in head piece 1, uniform force, the skull traction device institute
The material for having device is titanium alloy.
In use, first removing patient's hair, scalp is cleaned, patient is lain on the back, and head is put just, makes an accurate selection of sphenotresia position, sterilization,
A kerf is done after local anaesthesia, skull traction device component is tentatively assembled, the rotating alignment cuts of tapping screw 4 of left hand and right hand are rotated
Hand screw type tapping screw 4 is directly screwed in skull by ear handle 10, screws in process without aids such as screwdrivers, simply just
Victory, notes observation depth during screwing in screw, when the depth for screwing in skull reaches requirement, adjust left according to patient's head circumference
The position of traction bow 2 and right traction bow 3 on head piece 1, position scale is symmetrically allowed to uniform force, with left lock after regulation is suitable
Tight device 6 and right locking device 7 are fixed, and easy to adjust applied widely, rotary stopper nut 9 fixes hand screw type tapping screw 4
Screw-in depth, can effectively prevent from screwing in too deep or excessively shallow, it is to avoid secondary injury, reduction infection probability, finally will traction hammer it is logical
Draught line is crossed to be connected with weight draw hook 5.The titanium alloy material of the skull traction device is the diamagnetism metal ions such as cupric, silver
Antibacterial titanium alloy, or Sanming City through immobilized chitosan-Atorvastatin conjugate and metatitanic acid-silver nano-grain-metatitanic acid
Control the antibacterial titanium alloy of the surface treatments such as nanostructured, antibacterial titanium alloy can anti-inflammatory, sterilization, effective anti-infection, patient's nuclear-magnetism is common
Shake when checking without dismounting, alleviate the pain of patient, reduce medical personnel's workload.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (6)
1. a kind of split type Ti alloy skull bone distraction apparatus, it is characterised in that including：
Head piece (1), the head piece (1) is a threaded cross bar, and weight draw hook is set in the middle part of the head piece (1)
(5)；
Left traction bow (2) and right traction bow (3), the left traction bow (2) and right traction bow (3) are arcuation, and top is set respectively
Connecting hole, the head piece (1) is penetrated in the left traction bow (2) and the respective top connecting hole of the right traction bow (3), left
Traction bow (2) and right traction bow (3) afterbody set spacing hole respectively；
Two hand screw type tapping screws (4), the hand screw type tapping screw (4) is by screw rod (8), stop nut (9) and handle
(10) constitute, screw rod (8) top is drill bit, and the stop nut (9) is located on the screw rod (8), with the screw rod (8)
Threaded connection, can be by being threaded in or out free adjusting position, and the handle (10) is located at the screw rod (8) afterbody, and described
Screw rod (8) is fixedly connected, and two hand screw type tapping screws (4) respectively penetrate the left traction bow (2) and the right traction
In the afterbody spacing hole for bending (3).
2. split type Ti alloy skull bone distraction apparatus as claimed in claim 1, it is characterised in that left on the head piece (1)
The right side is symmetrical arranged left locking device (6) and right locking device (7), and the left locking device (6), right locking device (7) are respectively one
To the nut of titanium alloy material, it is threadedly coupled with head piece (1), adjusting position can be screwed out by screwing in.
3. split type Ti alloy skull bone distraction apparatus as claimed in claim 2, it is characterised in that the left traction bow (2) and
The spacing bore dia of afterbody of the right traction bow (3) is identical and more than hand screw type tapping screw (4) screw rod (8) diameter, small
In stop nut (9) overall diameter on the hand screw type tapping screw (4).
4. split type Ti alloy skull bone distraction apparatus as claimed in claim 3, it is characterised in that the hand screw type tapping screw
(4) screw rod (8) position sets dichromatism with high scale groove, the screw-in depth for warning the hand screw type tapping screw (4).
5. split type Ti alloy skull bone distraction apparatus as claimed in claim 4, it is characterised in that the hand screw type tapping screw
(4) it is vertical with the left traction bow (2) penetrated or right traction bow (3) afterbody, with 15 °~20 ° of horizontal line angle.
6. split type Ti alloy skull bone distraction apparatus as claimed in claim 5, it is characterised in that head piece (1) center
Point is zero point, sets graduation mark respectively to the left and to the right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177922.0U CN206482644U (en) | 2016-11-03 | 2016-11-03 | A kind of split type Ti alloy skull bone distraction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177922.0U CN206482644U (en) | 2016-11-03 | 2016-11-03 | A kind of split type Ti alloy skull bone distraction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206482644U true CN206482644U (en) | 2017-09-12 |
Family
ID=59768065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621177922.0U Expired - Fee Related CN206482644U (en) | 2016-11-03 | 2016-11-03 | A kind of split type Ti alloy skull bone distraction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206482644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111920501A (en) * | 2020-08-19 | 2020-11-13 | 北京大学第三医院（北京大学第三临床医学院） | Adjustable intraoperative temporary fixing device |
-
2016
- 2016-11-03 CN CN201621177922.0U patent/CN206482644U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111920501A (en) * | 2020-08-19 | 2020-11-13 | 北京大学第三医院（北京大学第三临床医学院） | Adjustable intraoperative temporary fixing device |
| CN111920501B (en) * | 2020-08-19 | 2022-02-01 | 北京大学第三医院（北京大学第三临床医学院） | Adjustable intraoperative temporary fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20181103 |