CN210409261U - Head fixing device for treatment chair - Google Patents
Head fixing device for treatment chair Download PDFInfo
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- CN210409261U CN210409261U CN201920708356.9U CN201920708356U CN210409261U CN 210409261 U CN210409261 U CN 210409261U CN 201920708356 U CN201920708356 U CN 201920708356U CN 210409261 U CN210409261 U CN 210409261U
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Abstract
The utility model discloses a head fixing device for treatment chair, include main part frame, face guard, be used for fixing the face guard frame of face guard, the face guard frame with main part frame detachably installs, face guard frame lower part fixed mounting has the mouth to sting the ware support frame, the middle part that the mouth was stung the ware support frame has the mouth to sting the ware towards main part frame direction fixed mounting. The utility model discloses for prior art is more reliable to the fixed of head, and the comfort level is more excellent, and can adjust fixing device's the patient of height in order to adapt to different heights through elevating system.
Description
Technical Field
The utility model relates to a medical appliance, in particular to a head fixing device for a therapeutic chair.
Background
A proton heavy ion device is introduced from abroad into a certain Shanghai proton heavy ion hospital for treating cancer, wherein a horizontal beam treatment room is used for treating eyes, and a set of treatment chair with six degrees of freedom is matched with a fixed wire harness for use. However, in use, it has been found that the fitted treatment chair lacks the patient's head fixation device, resulting in the wiring harness not being precisely positioned to the treatment area; in addition, different patients have different heights, the length of the upper body of the patient sitting on the treatment chair is different, the height of the head fixing device needs to be adjusted according to different lengths of the upper body, and the original adjusting device is complex to operate and cannot be reliably positioned, so that the treatment device which can conveniently adjust the height and can reliably fix the head of the patient is needed.
In the prior art, for example, patent document (CN1489975A) discloses a head fixing device for an imaging medical examination apparatus, which adopts a fixing mode of clamping two sides of a head. This fixation may cause uncomfortable experience for the patient; the height of the device can not be adjusted, and the adaptability to patients with different heights is poor; the mask for eye treatment is not well fixed. Patent document (CN106309076A) discloses a head fixing bracket for ophthalmic surgery, which adopts a fixing mode of chin support. The fixing mode is unreliable in positioning, and when the mouth shape of a patient changes, the position of eyes changes, so that the treatment effect is influenced.
In view of the above, it is an urgent problem in the art to overcome the above-mentioned drawbacks of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem that the head can not be effectively fixed when the comfort level is guaranteed among the prior art, and the height of the fixing device can not be adjusted in real time for patients with different heights, the utility model provides a head fixing device for a treatment chair.
In order to achieve the above object, the utility model discloses a head fixing device for treatment chair, include main part frame, face guard, be used for fixing the face guard frame of face guard, the face guard frame with main part frame detachably installs, face guard frame lower part fixed mounting has the mouth to sting the ware support frame, the middle part that the mouth was stung the ware support frame has the mouth to sting the ware towards main part frame direction fixed mounting. After a patient sits on the treatment chair and places the head in the range of the main body frame, the mask frame with the mask is arranged on the main body frame, and the position of the head, particularly eyes, can be effectively fixed by biting the mouth biting device, so that the treatment wire harness is accurately positioned to a treatment area.
Furthermore, the mouth biting device is strip-shaped, at least two position adjusting holes are formed in the mouth biting device along the length direction, and one end of the mouth biting device penetrates through one of the position adjusting holes through a locking screw to be installed on the mouth biting device supporting frame. The positioning hole is used for adjusting the front and back positions of the mouth biting device on the mouth biting device supporting frame.
Further, the mask frame is mounted on the main body frame by a snap.
Furthermore, the mask frame comprises a front frame and a rear frame, the mask is clamped and fixed between the front frame and the rear frame, and the front frame and the rear frame are connected and clamped through screws. Every patient all has a customized face guard, adopts this kind of mode can make things convenient for the change of face guard, and can effectively fix the face guard when using.
Furthermore, a back cerebral belt is installed on the main body frame, notches are symmetrically formed in two sides of the main body frame, and the back cerebral belt penetrates through the notches and is installed on the main body frame. The posterior velocity zone of the brain can further restrain the head from displacement.
Further, the hindbrain band is an elastic band. In addition, other straps with adjustable length to aid in head fixation may be used
Furthermore, a first lifting mechanism is installed on one side of the main body frame and used for controlling the main body frame to lift, so that the medical bed is suitable for patients with different heights, and the patients can be kept in a comfortable body posture to receive treatment.
Further, the first elevating mechanism includes:
the first guide rail is arranged along the height direction of the main body frame and is fixedly connected with the treatment chair;
the first sliding block is embedded into the first guide rail and moves along the first guide rail, and the first sliding block is fixedly connected with the main body frame;
the ball screw drives the first sliding block to move, and at least one end of the ball screw extends out of the first guide rail;
and one end of the ball screw, which extends out of the first guide rail, is fixedly connected with a hand wheel, and the hand wheel is used for rotating the ball screw and driving the sliding block to move.
Further, a second lifting mechanism is installed to main part frame opposite side, second lifting mechanism includes:
the second guide rail is arranged along the height direction of the main body frame and is fixedly connected with the treatment chair;
and the second sliding block moves along the second guide rail and is fixedly connected with the main body frame.
The height of the main body frame is adjusted by controlling the first lifting mechanism positioned on one side of the main body frame, and the second sliding block of the second lifting mechanism positioned on the other side of the main body frame can move to the corresponding height along with the first lifting mechanism.
Further, the main part frame bilateral symmetry is equipped with the connection foot, connect the foot respectively fixed mounting in on first slider and the second slider.
Further, the first lifting mechanism also comprises a locking mechanism, the locking mechanism comprises a locking seat, a locking frame and a locking handle,
the locking seat is fixedly sleeved outside the ball screw and arranged below the hand wheel;
the locking frame is fixedly arranged at one end, close to the hand wheel, of the first guide rail, and a threaded hole is formed in the locking frame and provided with an internal thread;
the locking handle comprises a locking part, the locking part is provided with an external thread matched with the internal thread of the threaded hole, and the locking part can axially move along the threaded hole and tightly press the locking seat.
When first elevating system is locked to needs, make locking portion move and contact to locking seat through rotatory locking handle, increase the friction between the two through the pressure of increase locking portion to locking seat for locking seat and the unable relative motion of locking portion, thereby guarantee all locked with locking seat fixed connection's ball and ball screw driven slider, realize the fixed of main part frame in height.
Compared with the prior art, the utility model provides a technical scheme has following advantage: firstly, the device adopts upper oral cavity positioning, so that the change of the eye position caused by the change of the mouth shape of a patient is avoided, and the positioning is more accurate and reliable; secondly, the head of the patient is fixed by the autonomous bite device, and a back brain band is used for assisting, so that a certain comfort level is ensured, and the nervous mood of the patient is relieved; the lifting and locking of the head fixing device are realized through the lifting mechanism and the locking mechanism, and the treatment requirements of patients with different heights can be met.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the apparatus and method in accordance with the invention and, together with the detailed description, serve to explain the advantages and principles of the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a head fixing device for a treatment chair according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a locking mechanism provided in an embodiment of the present invention;
fig. 3 is an enlarged view of a portion of a mask frame provided by an embodiment of the present invention.
Description of the reference numerals
1-main body frame, 101-connecting feet, 102-notches, 2-mask, 3-mask frame, 301-front frame, 302-rear frame, 4-mouth-biting device support frame, 5-mouth-biting device, 501-positioning hole, 502-locking screw, 6-hindbrain belt, 7-hasp, 8-first lifting mechanism, 801-first guide rail, 802-first sliding block, 803-ball screw, 804-handwheel, 9-second lifting mechanism, 901-second guide rail, 902-second sliding block, 10-locking mechanism, 1001-locking seat, 1002-locking frame, 1003-locking handle, 1004-locking part, 11-mounting interface rod and 12-connecting block.
Detailed Description
The following detailed description of the embodiments of the present invention refers to the accompanying drawings. However, the present invention is not limited to the embodiments described below. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other, and the technical idea of the present invention may be combined with other known techniques or other techniques similar to those known techniques.
Examples
The embodiment of the utility model provides a head fixing device for treatment chair, figure 1 is this head fixing device's schematic structure, refers to figure 1, and this head fixing device includes: main part frame 1, face guard 2, be used for fixing the face guard frame 3 of face guard 2, face guard frame 3 with 1 detachably of main part frame installs, 3 lower parts fixed mounting of face guard frame have the mouth to sting ware support frame 4, the middle part of stinging ware support frame 4 towards 1 direction fixed mounting of main part frame has the mouth to sting ware 5.
The main body frame 1 is a door-shaped frame, two L-shaped connecting pins 101 are symmetrically arranged on two sides of the door-shaped frame and are respectively positioned on the lower portion and the middle portion of each side of the main body frame 1 for stable installation of the main body frame 1.
Preferably, the main body frame 1 is further symmetrically provided with notches 102 on both sides for mounting the back brain girdle 6. The back cerebral belt 6 is an elastic belt, the back cerebral belt 6 penetrates through the notch 102, and the back cerebral belt is installed on the main body frame 1 in a magic tape mode. In other embodiments, a belt with adjustable length and a function of fixing the head can be used as the back brain belt, such as an adjustable belt with a buckle.
The mask frame 3 is a door-shaped frame matched with the main body frame 1 and comprises a front frame 301 and a rear frame 302, the mask 2 is clamped and fixed between the front frame 301 and the rear frame 302, and the front frame 301 and the rear frame 302 are connected and clamped through screws. When the face mask 2 needs to be replaced, the screws are disassembled and the front frame 301 and the rear frame 302 are separated, and the screws are tightened after the face mask 2 is replaced. In other embodiments, the front frame 301 and the rear frame 302 may also be connected and clamped by other methods, such as a snap, a clamp, etc.
The mask frame 3 is attached to the main body frame 1 by a buckle 7. In actual practice, the rear frame 302 of the mask frame 3 is thicker than the front frame 301, and the rear frame 302 of the mask frame 3 is connected to the main body frame 1 by the snap 7. Hasp 7 symmetry sets up in the both sides of main part frame 1 and face guard frame 3, and every side all is equipped with 2 hasps 7, is located the lower part and the middle part of every side of main part frame 1 and face guard frame 3 respectively. In other embodiments, the mask frame 3 may be fixed to the main body frame 1 by other means, for example, one side of the mask frame 3 is connected to the main body frame 1 by a hinge, and the other side is connected by a buckle 7.
Mouth stings ware support frame 4 and installs 3 lower parts of face guard frame specifically do: the bite-block support frame 4 is horizontally mounted on a portion of the rear frame 302 projecting downward from the front frame 301, and is connected by screws.
The mouth biting device 5 is in a strip shape, three positioning holes 501 are formed in the mouth biting device 5 along the length direction, and the mouth biting device 5 penetrates through one of the positioning holes 501 through a locking screw 502 to be installed on the mouth biting device supporting frame 4. Wherein the number of the positioning holes 501 can be determined according to actual requirements.
The head fixing device further comprises a group of lifting mechanisms which are respectively a first lifting mechanism 8 and a second lifting mechanism 9 and are respectively positioned on two sides of the main body frame 1.
The first elevating mechanism 8 includes:
the first guide rail 801 is arranged along the height direction of the main body frame 1, and the first guide rail 801 is fixedly connected with the treatment chair;
a first sliding block 802, wherein the first sliding block 802 is embedded in the first guide rail 801 and moves along the first guide rail 801, and the first sliding block 802 is fixedly connected with the connecting leg 101 of the main body frame 1;
the ball screw 803 which drives the first slider 802 to move is arranged along the height direction of the main body frame 1, and the upper end of the ball screw 803 extends out of the first guide rail 801; in other embodiments, the lower end of the ball screw 803 extends out of the first guide rail 801.
One end, extending out of the first guide rail 801, of the ball screw 803 is fixedly connected with a hand wheel 804, and the hand wheel 804 is used for rotating the ball screw 803 to drive a slider to move, wherein the driving stroke is 100 mm.
The first elevating mechanism 8 includes:
the second guide rail 901 is arranged along the height direction of the main body frame 1, and the second guide rail 901 is fixedly connected with the treatment chair;
and the second sliding block 902 moves along the second guide rail 901, the movement of the second sliding block 902 is 100mm, and the second sliding block 902 is fixedly connected with the connecting foot 101 of the main body frame 1.
The second lifting mechanism 9 can select a combination of various types of linear guides and mating sliders, and in the present embodiment, a square ball linear guide and its mating slider are used.
The first lifting mechanism 8 further comprises a locking mechanism 10, the locking mechanism 10 comprises a locking seat 1001, a locking frame 1002 and a locking handle 1003,
the locking seat 1001 is fixedly sleeved outside the ball screw 803 and is arranged below the hand wheel 804;
the locking frame 1002 is fixedly mounted at one end of the first guide rail 801 close to the hand wheel 804, a threaded hole is formed in the locking frame 1002, and an internal thread is formed in the threaded hole;
the locking handle 1003 comprises a locking portion 1004, the locking portion 1004 is provided with an external thread matched with the internal thread of the threaded hole, and the locking portion 1004 can axially move along the threaded hole and tightly press the locking seat 1001.
The fixing ends of the lifting mechanism, i.e. the first guide 801 and the second guide 901, are fixed on the treatment chair in various ways, which is specifically determined according to the interface form on the treatment chair. In this embodiment, two installation interface rods 11 arranged in the height direction are symmetrically arranged on both sides of the treatment chair, each installation interface rod 11 is provided with two connecting blocks 12 for fixedly connecting with the first guide rail 801 and the second guide rail 901, the connecting blocks 12 are sleeved on the installation interface rods 11 and can slide along the installation interface rods 11, and the positions of the connecting blocks 12 on the installation interface rods 11 can be fixed by screwing screws arranged on the connecting blocks 12.
The terms "first" and "second" as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another, unless otherwise specified. Similarly, modifiers similar to "about", "approximately" or "approximately" that occur before a numerical term herein typically include the same number, and their specific meaning should be read in conjunction with the context. Similarly, unless a specific number of a claim recitation is intended to cover both the singular and the plural, and also that claim may include both the singular and the plural.
In the description of the specific embodiments above, the use of the directional terms "upper", "lower", "left", "right", "top", "bottom", "vertical", "transverse", and "lateral", etc., are for convenience of description only and should not be considered limiting.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.
Claims (10)
1. The utility model provides a head fixing device for treatment chair, its characterized in that includes main part frame, face guard, is used for fixing the face guard frame of face guard, the face guard frame with main part frame detachably installs, face guard frame lower part fixed mounting has the mouth to sting the ware support frame, the middle part of stinging the ware support frame towards main part frame direction fixed mounting has the mouth to sting the ware.
2. The head fixing device for the treatment chair according to claim 1, wherein the mouth-biting device is in a strip shape, the mouth-biting device is provided with at least two positioning holes along a length direction, and one end of the mouth-biting device is mounted on the mouth-biting device supporting frame through one of the positioning holes by a locking screw.
3. The head fixation device for a treatment chair as claimed in claim 1, wherein the mask frame is mounted on the body frame by a snap fit.
4. The head fixation device for a treatment chair as claimed in claim 1, wherein the mask frame comprises a front frame and a rear frame, the mask being clamped between the front frame and the rear frame, the front frame and the rear frame being connected and clamped by screws.
5. The head fixation device for a treatment chair as claimed in claim 1, wherein a rear cerebral belt is mounted on the main body frame, the rear cerebral belt being an elastic belt.
6. The head fixing device for the treatment chair according to any one of claims 1 to 5, wherein a first elevating mechanism is installed at one side of the main body frame, and the first elevating mechanism is used for controlling the main body frame to be elevated.
7. The head fixation device for a treatment chair of claim 6,
the first lifting mechanism includes:
the first guide rail is arranged along the height direction of the main body frame and is fixedly connected with the treatment chair;
the first sliding block is embedded into the first guide rail and moves along the first guide rail, and the first sliding block is fixedly connected with the main body frame;
the ball screw drives the first sliding block to move, and at least one end of the ball screw extends out of the first guide rail;
and one end of the ball screw, which extends out of the first guide rail, is fixedly connected with a hand wheel, and the hand wheel is used for rotating the ball screw and driving the sliding block to move.
8. The head fixing device for the treatment chair according to claim 7, a second elevating mechanism is installed at the other side of the body frame, the second elevating mechanism comprising:
the first guide rail is arranged along the height direction of the main body frame, and the second guide rail is fixedly connected with the treatment chair;
and the second sliding block moves along the second guide rail and is fixedly connected with the main body frame.
9. The head fixing device for the therapeutic chair as claimed in claim 8, wherein the main body frame is symmetrically provided at both sides with connecting legs, the connecting legs are fixedly mounted on the first slider and the second slider, respectively.
10. The head fixing device for the therapeutic chair according to claim 9, wherein the first elevating mechanism further comprises a locking mechanism, the locking mechanism comprises a locking seat, a locking frame, a locking handle,
the locking seat is fixedly sleeved outside the ball screw and arranged below the hand wheel;
the locking frame is fixedly arranged at one end, close to the hand wheel, of the first guide rail, and a threaded hole is formed in the locking frame and provided with an internal thread;
the locking handle comprises a locking part, the locking part is provided with an external thread matched with the internal thread of the threaded hole, and the locking part can axially move along the threaded hole and tightly press the locking seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920708356.9U CN210409261U (en) | 2019-05-16 | 2019-05-16 | Head fixing device for treatment chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920708356.9U CN210409261U (en) | 2019-05-16 | 2019-05-16 | Head fixing device for treatment chair |
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| Publication Number | Publication Date |
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| CN210409261U true CN210409261U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920708356.9U Active CN210409261U (en) | 2019-05-16 | 2019-05-16 | Head fixing device for treatment chair |
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| CN (1) | CN210409261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288702A (en) * | 2021-06-30 | 2021-08-24 | 华中科技大学 | Proton radiotherapy chair for realizing sitting posture radiotherapy in fixed beam treatment room |
-
2019
- 2019-05-16 CN CN201920708356.9U patent/CN210409261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288702A (en) * | 2021-06-30 | 2021-08-24 | 华中科技大学 | Proton radiotherapy chair for realizing sitting posture radiotherapy in fixed beam treatment room |
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