CN205031284U - Novel head is fixed for cerebral angiography device - Google Patents
Novel head is fixed for cerebral angiography device Download PDFInfo
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- CN205031284U CN205031284U CN201520712235.3U CN201520712235U CN205031284U CN 205031284 U CN205031284 U CN 205031284U CN 201520712235 U CN201520712235 U CN 201520712235U CN 205031284 U CN205031284 U CN 205031284U
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- connecting portion
- connecting cylinder
- screw rod
- fixed
- annular
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Abstract
The utility model provides a novel head is fixed for cerebral angiography device belongs to medical instrument technical field. It has solved the current not good problem of head immobilizer travelling comfort for the cerebral angiography. This novel head is fixed for cerebral angiography device includes bottom plate and support, the support includes the supporting part of level setting and can dismantle fixed fixed part with the bottom plate, be equipped with the connecting hole on the supporting part, the connecting hole internal fixation has the connecting cylinder, the spiro union has the screw rod in the connecting cylinder, be equipped with the mounting in the support, the mounting includes connecting portion and the press section that links to each other with the connecting portion lower extreme, the connecting portion up end supports with screw rod lower extreme facial features, the cover is equipped with the spring on the connecting portion, the spring both ends offset with connecting portion lateral wall and connecting cylinder inner wall respectively, seted up on the connecting portion up end and be annular oil storage tank, the annular is kept off and is equipped with the sealing washer between shoulder and the connecting cylinder, the press section is the convex structure of downwarping. This novel head is fixed for cerebral angiography device has the good advantage of travelling comfort.
Description
Technical field
This utility model belongs to technical field of medical instruments, relates to a kind of novel cerebral angiography head fixing device.
Background technology
When doing cerebral angiography to patient, must be fixed its head, and existing head fixing device cannot regulate according to the size of patients head, when patients head is less, head is easy to generation and rocks, and which adds the probability to patient's mistaken diagnosis.
For above-mentioned problem, people appreciate deficiency, and in addition improvement, a kind of cerebral angiography head holder [application number: 201520257119.7 disclosed in Chinese patent storehouse, Authorization Notice No.: CN204562201U], comprise base plate, " U " shape carriage, sleeve, support bar, curved splint, limiting plate, support spring, crank, screw rod, " U " shape carriage is rotationally connected in the middle part of substrate, fall " U " shape carriage transverse slat in the middle part of be provided with manhole, in manhole suit to be fixed wtih tin at the bottom of in the middle part of be provided with the sleeve of square through hole, in square through hole, slip cap is filled with the support bar adapted with its internal diameter, support bar lower end is fixedly connected curved splint, upper end is fixedly connected limiting plate, support bar between at the bottom of limiting plate and cylinder overlaps and has support spring, sleeve opening end internal whorl is connected to the screw rod that upper end is provided with crank, and screw rod lower end contacts with limiting plate and connects.
The object that above-mentioned holder is positioned the head of different size with realization with the distance changed between curved splint and base plate by rotating screw bolt.But still there is a problem in this holder: owing to there is certain friction between screw rod and limiting plate, make screw rod that curved splint can be impelled in the process of rotating to produce to rock, curved splint limit and patient's forehead contact edge are collided, has a strong impact on the comfortableness that patient uses.
Utility model content
The purpose of this utility model there are the problems referred to above for existing technology, while proposing a kind of can positioning the head of different patient, also has the cerebral angiography head fixing device of comfortableness high advantage.
The purpose of this utility model realizes by following technical proposal: a kind of novel cerebral angiography head fixing device, comprise base plate and be located at the support on the upside of base plate, described support comprises horizontally disposed support portion and vertically arranges and the fixed part detachably fixed with base plate, the middle part of described support portion is vertically provided with connecting hole, and grafting be fixed with connecting cylinder in connecting hole, screw rod is bolted with in connecting cylinder, and connecting cylinder is stretched out in the upper end of screw rod, it is characterized in that, the part that to be relatively fixed with screw rod is provided with in described support, fixture comprises and vertically arranging and connecting portion in direct rod shape and the press section that is connected with connecting portion lower end, the upper end of described connecting portion is plugged in connecting cylinder, and the lower surface of the upper surface of this connecting portion and screw rod offsets, the upper end sidewall of described connecting portion has annular shoulder block, connecting portion is arranged with spring, the two ends of this spring offset with the lower surface of annular shoulder block and the inwall of connecting cylinder respectively, the upper surface of described connecting portion offers the oil storage tank in the form of a ring and for storing lubricating oil, oil storage tank is coaxial with annular shoulder block, this oil storage tank has two at least and the equal conllinear of central axis of each oil storage tank, be provided with between described annular shoulder block and connecting cylinder and make both keep the sealing ring be tightly connected, described press section is reclinate arc-shaped structure, described support is made up of transparent glass material.
During use, the head of patient to lie on base plate and forehead and press section is faced; Then rotating screw bolt moves downward and the inwall of press section and patient's forehead is offseted with the elastic force driving fixture and overcome spring, to realize the object clamped patients head.
This fixture can change the distance between press section and base plate by rotating screw bolt, thus the head of this device to different size is positioned, and has good practical value; By arranging oil storage tank and when reality uses, lubricating oil is filled with in oil storage tank, effectively to reduce the coefficient of friction between screw rod and connecting portion, thus avoid screw rod rotation limit, fixture limit can be driven to move down in the process of rotating, then effectively avoid press section to rotate with the forehead of patient to contact, make the comfortableness of this fixture obtain the lifting strengthened.Connection between annular shoulder block and connecting cylinder being remained seal comparatively reliably by arranging sealing ring, effectively to avoid outside oil leak to connecting cylinder and to flow to patients head by press section, thus further increasing the comfortableness of this fixture.
In above-mentioned novel cerebral angiography head fixing device, the lateral wall of described annular shoulder block is provided with annular groove, and described sealing ring is positioned at annular groove, and the inwall of the outer peripheral face of sealing circle and described connecting cylinder offsets.
By arranging annular groove, sealing ring is located preferably, all the time can offset with connecting cylinder inwall in the process of fixture movement to make the outer peripheral face of sealing ring and seal, thus avoid oil leak to arrive outside connecting cylinder further, then further increase the comfortableness of this fixture.
In above-mentioned novel cerebral angiography head fixing device, the lower end inner wall of described connecting cylinder has annular convex shoulder, and annular convex shoulder is coaxial with connecting cylinder, described connecting portion is located in annular convex shoulder, and the upper surface of the lower end of spring and described annular convex shoulder offsets, the internal diameter of described annular convex shoulder and the diameter of described connecting portion match.
Namely the internal diameter of annular convex shoulder is slightly larger than the diameter of connecting portion, effectively to reduce the distance between annular convex shoulder inwall and connecting portion sidewall, thus good guide effect is played to the movement of connecting portion, to enable press section drop to the position of specifying all the time, thus improve the comfortableness of this fixture.
In above-mentioned novel cerebral angiography head fixing device, the upper end sidewall of described screw rod has the grip part of protruding in round bar shape.
Doctor, by gripping grip part with drive screw turns, has advantage easy to use.
Compared with prior art, this novel cerebral angiography head fixing device has the following advantages:
1, this fixture can change distance between press section and base plate by rotating screw bolt, thus the head of this device to different size is positioned, and has good practical value.
2, by arranging oil storage tank and when reality uses, lubricating oil is filled with in oil storage tank, effectively to reduce the coefficient of friction between screw rod and connecting portion, thus avoid screw rod rotation limit, fixture limit can be driven to move down in the process of rotating, then effectively avoid press section to rotate with the forehead of patient to contact, make the comfortableness of this fixture obtain the lifting strengthened.
3, the connection between annular shoulder block and connecting cylinder is remained seal comparatively reliably by arranging sealing ring, effectively to avoid outside oil leak to connecting cylinder and to flow to patients head by press section, thus further increase the comfortableness of this fixture.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
In figure, 1, base plate; 2, support; 2a, support portion; 2b, fixed part; 3, screw rod; 3a, grip part; 4, connecting cylinder; 4a, annular convex shoulder; 5, spring; 6, fixture; 6a, connecting portion; 6a1, annular shoulder block; 6a2, oil storage tank; 6b, press section; 7, sealing ring.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiments.
As shown in Figure 1, this novel cerebral angiography head fixing device is made up of base plate 1, support 2, screw rod 3, connecting cylinder 4, spring 5, fixture 6 etc.Wherein, support 2 is made up of transparent glass material.
Support 2 is located on the upside of base plate 1, the fixed part 2b that this support 2 comprises horizontally disposed support portion 2a and vertically arranges.Wherein, fixed part 2b has two and is positioned at 2a both sides, support portion, and the two ends of support portion 2a are connected with fixed part 2b respectively.Each fixed part 2b is all removably fixed together with base plate 1.Specifically, two fixed part 2b are all in tabular, and base plate 1 is provided with the draw-in groove matched with fixed part 2b, and draw-in groove has two and position and fixed part 2b one_to_one corresponding, the lower end of each fixed part 2b is all connected in draw-in groove, thus realizes fixed part 2b all detachable fixing objects with base plate 1.
The middle part of support portion 2a is vertically provided with connecting hole, and grafting be fixed with the female connecting cylinder 4 of tool in connecting hole.In the present embodiment, the mode that bondd by glue of connecting cylinder 4 and support portion 2a are fixed.
Screw rod 3 is screwed onto in connecting cylinder 4, and connecting cylinder 4 is stretched out in the upper end of screw rod 3, and the upper end sidewall of this screw rod 3 has the grip part 3a protruded in round bar shape, to facilitate doctor to grip, thus improves the convenience of drive screw 3.It is interior and relative with screw rod 3 that support 2 is located at by fixture 6.Fixture 6 comprises and vertically arranging and connecting portion 6a in direct rod shape and the press section 6b that is connected with connecting portion 6a lower end, and connecting portion 6a and press section 6b is integral type structure.Wherein, the upper end of connecting portion 6a is plugged in connecting cylinder 4, and press section 6b is reclinate arc-shaped structure.
As shown in Figure 1, the upper end sidewall of connecting portion 6a has annular shoulder block 6a1, and the lower surface of the upper surface of connecting portion 6a and screw rod 3 offsets.Further illustrate, as shown in Figure 2, the upper surface of connecting portion 6a offers in the form of a ring and oil storage tank 6a2 for storing lubricating oil, oil storage tank 6a2 is coaxial with annular shoulder block 6a1.Oil storage tank 6a2 has two at least and the equal conllinear of central axis of each oil storage tank 6a2, and in the present embodiment, oil storage tank 6a2 has two.
As depicted in figs. 1 and 2, the sealing ring 7 that both maintenances are tightly connected is provided with between annular shoulder block 6a1 and connecting cylinder 4.Specifically, the lateral wall of annular shoulder block 6a1 is provided with annular groove, and sealing ring 7 is positioned at annular groove, and the inwall of the outer peripheral face of sealing circle 7 and connecting cylinder 4 offsets.Nature, adopts " sealing ring 7 is sheathed and fixed by the mode that bonds and annular shoulder block 6a1, and the outer peripheral face of sealing ring 7 offsets with the inwall of connecting cylinder 4 " same object that can realize annular shoulder block 6a1 and connecting cylinder 4 and be tightly connected of this technical scheme.
Connecting portion 6a is arranged with spring 5, the two ends of this spring 5 offset with the lower surface of annular shoulder block 6a1 and the inwall of connecting cylinder 4 respectively.In the present embodiment, the lower end inner wall of connecting cylinder 4 has annular convex shoulder 4a, and annular convex shoulder 4a is coaxial with connecting cylinder 4.Connecting portion 6a is located in annular convex shoulder 4a, and the upper surface of the lower end of spring 5 and annular convex shoulder 4a offsets.The internal diameter of annular convex shoulder 4a and the diameter of connecting portion 6a match, namely the internal diameter of annular convex shoulder 4a is slightly larger than the diameter of connecting portion 6a, effectively to reduce the distance between annular convex shoulder 4a inwall and connecting portion 6a sidewall, thus good guide effect is played to the movement of connecting portion 6a, to enable press section 6b drop to the position of specifying all the time, thus improve the comfortableness of this fixture.
During use, the head of patient to lie on base plate 1 and forehead and press section 6b is faced; Then rotating screw bolt 3 moves downward and the inwall of press section 6b and patient's forehead is offseted with the elastic force driving fixture 6 and overcome spring 5, to realize the object clamped patients head.
Specific embodiment described herein is only to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (4)
1. a novel cerebral angiography head fixing device, comprise base plate and be located at the support on the upside of base plate, described support comprises horizontally disposed support portion and vertically arranges and the fixed part detachably fixed with base plate, the middle part of described support portion is vertically provided with connecting hole, and grafting be fixed with connecting cylinder in connecting hole, screw rod is bolted with in connecting cylinder, and connecting cylinder is stretched out in the upper end of screw rod, it is characterized in that, the part that to be relatively fixed with screw rod is provided with in described support, fixture comprises and vertically arranging and connecting portion in direct rod shape and the press section that is connected with connecting portion lower end, the upper end of described connecting portion is plugged in connecting cylinder, and the lower surface of the upper surface of this connecting portion and screw rod offsets, the upper end sidewall of described connecting portion has annular shoulder block, connecting portion is arranged with spring, the two ends of this spring offset with the lower surface of annular shoulder block and the inwall of connecting cylinder respectively, the upper surface of described connecting portion offers the oil storage tank in the form of a ring and for storing lubricating oil, oil storage tank is coaxial with annular shoulder block, this oil storage tank has two at least and the equal conllinear of central axis of each oil storage tank, be provided with between described annular shoulder block and connecting cylinder and make both keep the sealing ring be tightly connected, described press section is reclinate arc-shaped structure, described support is made up of transparent glass material.
2. novel cerebral angiography head fixing device according to claim 1, it is characterized in that, the lateral wall of described annular shoulder block is provided with annular groove, and described sealing ring is positioned at annular groove, and the inwall of the outer peripheral face of sealing circle and described connecting cylinder offsets.
3. novel cerebral angiography head fixing device according to claim 1, it is characterized in that, the lower end inner wall of described connecting cylinder has annular convex shoulder, and annular convex shoulder is coaxial with connecting cylinder, described connecting portion is located in annular convex shoulder, and the upper surface of the lower end of spring and described annular convex shoulder offsets, the internal diameter of described annular convex shoulder and the diameter of described connecting portion match.
4. novel cerebral angiography head fixing device according to claim 1, is characterized in that, the upper end sidewall of described screw rod has the grip part of protruding in round bar shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712235.3U CN205031284U (en) | 2015-09-15 | 2015-09-15 | Novel head is fixed for cerebral angiography device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712235.3U CN205031284U (en) | 2015-09-15 | 2015-09-15 | Novel head is fixed for cerebral angiography device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205031284U true CN205031284U (en) | 2016-02-17 |
Family
ID=55290223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520712235.3U Expired - Fee Related CN205031284U (en) | 2015-09-15 | 2015-09-15 | Novel head is fixed for cerebral angiography device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205031284U (en) |
-
2015
- 2015-09-15 CN CN201520712235.3U patent/CN205031284U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20160915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |