CN217040643U - Head and four limbs fixing device of DSA operation table - Google Patents

Abstract

The utility model discloses a DSA operation table head and four limbs fixing device, including the supporting part that can dismantle the fixed DSA operation table of formula, be provided with on the supporting part: a head fixing part which is sleeved on the head of the patient; the head fixing part is provided with a first BOA adjusting device; the first BOA adjusting device adjusts the tightness state of the head fixing part when the head of the patient is sleeved in the head fixing part; an arm fixing part which is sleeved on the arm of the patient; a second BOA adjusting device is arranged on the arm fixing part; the second BOA adjusting device adjusts the tightness state of the arm fixing part when the arm of the patient is sleeved in the arm fixing part; and a leg fixing part fitted over the leg of the patient; a third BOA adjusting device is arranged on the leg fixing part; the third BOA adjusting device adjusts the tightness state of the leg fixing part when the leg of the patient is sleeved in the leg fixing part.

Description

Head and four limbs fixing device of DSA operation table

Technical Field

Embodiments of the present disclosure relate generally to the field of medical device technology, and more particularly, to a DSA surgical bed head and extremity fixation device.

Background

Digital Subtraction Angiography (DSA) is a new medical imaging technology in the 80 s of the 20 th century, and is a new examination method combining electronic computers and conventional X-ray angiography.

After thirty years of development, DSA machines (including DSA operating tables) have been widely used in interventional examination and treatment in China. For patients who are conscious and under general anesthesia, DSA machines can be used for examination or treatment smoothly. However, for patients undergoing examination or treatment on DSA machines using local anesthesia, the difficulty and risk of the operation for the surgeon are increased when the patient is not restless, and the potential risk for the patient is also increased.

Therefore, a head and limb fixing device for a DSA operation table is needed to solve the problem that the intervention examination or treatment cannot be smoothly performed due to patient mismatch in the current DSA clinical work, so that the operation risk is increased.

SUMMERY OF THE UTILITY MODEL

The main objective of the utility model is to provide a DSA operating table head and four limbs fixing device to solve at least one of the above problems and other potential problems in the prior art.

In order to achieve the above object, the utility model provides a DSA operating table head and four limbs fixing device, including the supporting part that can the fixed DSA operating table of dismantlement formula, be provided with on the supporting part: a head fixing part which is sleeved on the head of the patient; the head fixing part is provided with a first BOA adjusting device; the first BOA adjusting device adjusts the tightness state of the head fixing part when the head of the patient is sleeved in the head fixing part; an arm fixing part which is fitted over an arm of the patient; a second BOA adjusting device is arranged on the arm fixing part; the second BOA adjusting device adjusts the tightness state of the arm fixing part when the arm of the patient is sleeved in the arm fixing part; and a leg fixing part fitted over the leg of the patient; a third BOA adjusting device is arranged on the leg fixing part; the third BOA adjusting device adjusts the tightness state of the leg fixing part when the leg of the patient is sleeved in the leg fixing part.

According to an embodiment of the present disclosure, wherein the head fixing part includes a left side head restraining bush, a right side head restraining bush, and a middle head restraining bush; the first BOA adjusting device comprises a first BOA knob located on the middle head restraining lining cloth and a first steel wire rope penetrating through the left side head restraining lining cloth and the right side head restraining lining cloth.

According to an embodiment of the present disclosure, the left side head restraining bush is fixed on the supporting part at one end far away from the middle head restraining bush; the right side head restraining lining cloth is fixed on the supporting part at one end far away from the middle head restraining lining cloth; the middle head restraint lining cloth is fixed on the supporting part at one end close to the top of the head.

According to an embodiment of the present disclosure, the left side head restraining underlayment is provided with a first left sleeve on one end adjacent to the middle head restraining underlayment; the right side head restraining lining cloth is provided with a first right sleeve at one end close to the middle head restraining lining cloth; and the first steel wire rope penetrates out of the first BOA knob, then penetrates through the first left sleeve and the first right sleeve, and then enters the first BOA knob.

According to the embodiment of the disclosure, the first steel wire rope is further provided with a first middle sleeve at the intersection and/or the bottom end, and the first middle sleeve is fixed on the middle head restraint lining cloth.

According to an embodiment of the present disclosure, the arm fixing part includes a left-side arm restraining lining cloth, a right-side arm restraining lining cloth, and a middle arm restraining lining cloth; the second BOA adjusting device comprises a second BOA knob located on the middle arm constraint lining cloth and a second steel wire rope penetrating through the left side arm constraint lining cloth and the right side arm constraint lining cloth.

According to an embodiment of the present disclosure, the left side arm restraining bush is fixed on the support part at an end away from the middle arm restraining bush; the right side arm constraint lining cloth is fixed on the supporting part at one end far away from the middle arm constraint lining cloth; the upper end and the lower end of the middle arm constraint lining cloth are not fixed on the supporting part.

According to an embodiment of the present disclosure, the left side arm restraining bush is provided with a first left perforation at an end close to the middle arm restraining bush; the right side arm constraint lining cloth is provided with a first right perforation at one end close to the middle arm constraint lining cloth; and the second steel wire rope penetrates out of the second BOA knob, then penetrates through the first left through hole and the first right through hole, and then enters the second BOA knob.

According to the embodiment of the disclosure, the second steel wire rope is further provided with a second middle sleeve at the intersection and/or the bottom end, and the second middle sleeve is fixed on the middle arm constraint lining cloth.

According to an embodiment of the present disclosure, the leg fixing part includes a left leg restraining interlining, a right leg restraining interlining, and a middle leg restraining interlining; the third BOA adjusting device comprises a third BOA knob located on the middle leg restraining lining cloth and a third steel wire rope penetrating through the left leg restraining lining cloth and the right leg restraining lining cloth.

According to an embodiment of the present disclosure, the left leg restraining underlayment is fixed on the support portion at an end remote from the middle leg restraining underlayment; the right leg restraining lining cloth is fixed on the supporting part at one end far away from the middle leg restraining lining cloth; the upper end and the lower end of the middle leg constraint lining cloth are not fixed on the supporting part.

According to an embodiment of the present disclosure, the left leg restraining interlining is provided with a second left perforation on one end near the middle leg restraining interlining; the right leg restraining lining cloth is provided with a second right perforation at one end close to the middle leg restraining lining cloth; and the third steel wire rope penetrates through the second left perforation and the second right perforation after penetrating out of the third BOA knob and then enters the third BOA knob.

According to the embodiment of the disclosure, a third middle sleeve is further arranged at the intersection and/or the bottom end of the third steel wire rope, and the third middle sleeve is fixed on the middle leg restraining lining cloth; an operation hole for puncture is reserved on the inner side of the right leg position of the leg fixing part.

According to an embodiment of the present disclosure, at least one of the following is further provided on the support portion: first traction belts arranged at both side positions corresponding to the head fixing part; second traction belts arranged at two sides corresponding to the arm fixing part; and third traction belts arranged at both sides corresponding to the leg fixing parts.

According to an embodiment of the present disclosure, the first traction band, the second traction band and the third traction band are wound around the dorsal surface of the DSA operating bed and fixed to each other, respectively.

According to the embodiment of the disclosure, the first traction belt is buckled with each other through a Chinese character 'mu' buckle, a male buckle and a female buckle or a belt buckle; the second traction belt is buckled with each other through a Chinese character 'mu' buckle, a male buckle, a female buckle or a belt buckle; the third traction belt is buckled with each other through a Chinese character 'mu' buckle, a male buckle, a female buckle or a belt buckle.

Compared with the prior art, the utility model has the advantages of it is following: the present disclosure provides a head and limb fixing device for a DSA operating table, which can effectively fix the head and the limbs of a patient through a head fixing part, an arm fixing part, and a leg fixing part when the patient is not matched and the intervention examination or treatment cannot be smoothly performed (the operation risk is increased), and can quickly and efficiently fix the patient through a BOA adjusting device. In addition, can also adjust elasticity state (elasticity) through BOA adjusting device to it is fixed to retrain to different patients, ensures patient's safety and travelling comfort, also is favorable to guaranteeing to operate normally.

Drawings

For the purpose of better illustrating the technical solution of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic view of the overall structure of a head and limb fixing device of a DSA operating table according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the head fixing portion in fig. 1 according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the arm fixing portion in fig. 1 according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of the leg fixing portion in fig. 1 according to an embodiment of the present invention.

Detailed Description

The technical solution in the embodiment of the present invention will be described clearly and completely with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, or implying number of indicated technical features, or implying precedence of indicated technical features. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1-4, an embodiment of the present invention provides a DSA surgical bed head and limb fixation device 1, which includes a support portion 2 detachably fixed to a DSA surgical bed (not shown), wherein a head fixation portion 100, an arm fixation portion 200, and a leg fixation portion 300 are disposed on the support portion 2.

Wherein, the head fixing part 100 can be sleeved on the head of the patient; the head fixing part 100 is provided with a first BOA adjusting device 101; the first BOA adjusting device 101 adjusts the tightness of the head fixing part when the head of the patient is fitted into the head fixing part 100.

The arm fixing part 200 can be sleeved on the arm of the patient; a second BOA adjusting device 201 is arranged on the arm fixing part; the second BOA adjusting device 201 adjusts the tightness of the arm fixing part when the arm of the patient is sleeved in the arm fixing part.

The leg fixing part 300 may be fitted over the leg of the patient; a third BOA adjusting device 301 is arranged on the leg fixing part; the third BOA adjusting device 301 adjusts the tightness of the leg fixing portion when the leg of the patient is fitted into the leg fixing portion.

It can be understood that embodiments of the present disclosure provide a DSA surgical bed head and limb fixation device, which can effectively fix the head and the limbs of a patient through a head fixation part, an arm fixation part and a leg fixation part when the patient is not matched and intervention examination or treatment cannot be smoothly performed (operation risk is increased), and can fix the patient quickly and efficiently through a BOA adjustment device. In addition, can also adjust elasticity state (elasticity) through BOA adjusting device to it is fixed to retrain to different patients, ensures patient's safety and travelling comfort, also is favorable to guaranteeing to operate normally.

As shown in fig. 1, according to the embodiment of the present disclosure, a first pulling belt 3, a second pulling belt 4 and a third pulling belt 5 are further disposed on the support 2. Wherein the first traction belt 3 is disposed at both side positions corresponding to the head fixing part 100. The second traction belt 4 may be provided at both side positions corresponding to the arm fixing part 200. The third traction bands 5 may be provided at both side positions corresponding to the leg fixing parts 300. The first traction belt 3, the second traction belt 4 and the third traction belt 5 may have, for example, a trapezoidal shape (or may have other shapes), as shown in fig. 1.

For example, the first traction band 3, the second traction band 4, and the third traction band 5 may be wound around the dorsal surface of the DSA surgical bed (not shown) and fixed to each other, respectively. At this time, the DSA operation table head and limb fixing device 1 of the present disclosure may be integrally fixed (tied) to the DSA operation table, and then the head and the limbs of the patient may be respectively inserted into the head fixing part 100, the arm fixing part 200, and the leg fixing part 300, so as to fix the head and the limbs of the patient.

As shown in fig. 1, according to the embodiment of the present disclosure, the first traction belts 3 are fastened to each other by a button, a male button, a female button, or a belt buckle; the second traction belts 4 are buckled with each other through a Chinese character 'mu' buckle, a male buckle, a female buckle or a belt buckle; the third traction belt 5 is buckled with each other through a mesh-shaped buckle, a male buckle, a female buckle or a belt buckle. It is understood that the first traction belt 3, the second traction belt 4 and the third traction belt 5 can also adopt other connection modes, such as binding connection, thread gluing connection and the like.

For example, the utility model discloses when using, in patient's head can embolia the head fixed part earlier, then can place patient's arm in the arm fixed part, place patient's shank in the shank fixed part simultaneously, then adjust elasticity state (elasticity) through BOA adjusting device to adapt to different patient's head, arm and shank, when making it laminate patient's head, arm and shank more, improve fixed travelling comfort. Then, the head fixing part, the arm fixing part and the first traction belt 3, the second traction belt 4 and the third traction belt 5 on two sides of the leg fixing part are respectively wound on the back of the DSA operating bed, two ends (namely, the A end and the B end) of the head traction belt (namely, the first traction belt 3) and two ends (namely, the A end and the B end) of the hand traction belt (namely, the second traction belt 4) are respectively fastened on the back of the DSA operating bed through eye-shaped fasteners, male and female fasteners or belt fasteners, and two ends (namely, the A end and the B end) of the leg traction belt (namely, the third traction belt 5) are fastened on the back of the DSA operating bed through eye-shaped fasteners, male and female fasteners or belt fasteners, so that the head, the arm and the leg are fixed, and the tightness of the head and four limbs fixing device of the DSA operating bed disclosed by the DSA operating bed can be fixed on the DSA operating bed can be controlled through tightness adjustment.

As shown in fig. 1 and 2, according to an embodiment of the present disclosure, the head fixing part 100 includes a left head restraining bush 102, a right head restraining bush 103, and a middle head restraining bush 104; the first BOA adjusting device 101 includes a first BOA knob 105 located on the middle head restraining lining cloth, and a first wire rope 106 passing through the left side head restraining lining cloth and the right side head restraining lining cloth.

For example, the first BOA knob 105 may have a knob (the knob may have sufficient structural strength and a service life, and may have a gear type slot with a stainless steel structure), a reel, and a base, and a steel wire cable (for example, a stainless steel wire cable, which is wrapped with a PU material sheath, may reduce abrasion of the steel wire cable to the lining cloth, and also improve smoothness when stretching the cable, and reduce resistance of the BOA knob) may be provided therein, and may be threaded out to form the first steel wire cable 106.

For example, upon rotating the first BOA knob 105, the first wire rope 106 may be tightened, thereby tightening the left head restraint padded cloth 102, the right head restraint padded cloth 103, and the middle head restraint padded cloth 104 against each other, thereby fixing the head of the patient. When the head fixing part needs to be loosened, the first BOA knob 105 may be rotated in the opposite direction, so that the first wire rope 106 is loosened, and the side head restraining padding 102, the right side head restraining padding 103, and the middle head restraining padding 104 are loosened from each other, thereby facilitating the head of the patient to be separated from the head fixing part 100. When the first BOA adjusting device 101 is in an elastic state, the operation is very convenient, and the fixing and loosening effects can be quickly and efficiently achieved.

According to the embodiment of the present disclosure, the left head restraining bush 102 is fixed on the support part 2 at an end 1020 (shown by a dotted line) far away from the middle head restraining bush 104; the right head restraining bush 103 is fixed to the support 2 at an end 1030 (shown in dotted lines) remote from the middle head restraining bush 104; the medial head restraint padding 104 is secured to the support portion 2 at an end 1040 (shown in phantom) near the top of the head.

For example, the left-side head restraining lining cloth 102, the right-side head restraining lining cloth 103 and the middle head restraining lining cloth 104 can be made of double-layer restraining lining cloth, namely, the surface is wear-resistant oxford or denim, and the inner lining is flannelette, so that the comfort of the patient during fixation can be improved. The left side head restraint lining cloth 102, the right side head restraint lining cloth 103 and the middle head restraint lining cloth 104 form a structure of three double-layer restraint lining cloths, and can be unfolded when a head is sleeved so as to be convenient for fixing the head. It should be noted that the material used for the head fixing portion 100, especially for the forehead, must be transparent to X-rays, so as to facilitate examination and operation.

According to the embodiment of the present disclosure, the left head restraining bush 102 is provided with a first left bushing 107 (the number may be one or more, such as two, three, etc.; the shape may be crescent or other shape) on one end close to the middle head restraining bush 104; the right head restraint lining 103 is provided with a first right sleeve 108 (the number may be one or more, for example, two, three, etc.; the shape may be crescent or other shapes) on one end close to the middle head restraint lining 104; the first steel cable 106 passes through the first left sleeve 107 and the first right sleeve 108 after passing out of the first BOA knob 105, and then enters the first BOA knob 105.

For example, the first left sleeve 107 and the first right sleeve 108 may both adopt a structure form of a rope fastener (the shape may be a crescent or other shapes), and for example, the rope fastener may be sewn on the surfaces of the left side head restraint lining 102 and the right side head restraint lining 103 to facilitate fixing the first steel wire rope 105.

According to an embodiment of the present disclosure, the first steel cable 105 is further provided with a first middle sleeve (not shown, which may be cross-shaped at the intersection and in-line at the bottom end) at the intersection 109 and/or the bottom end 110, and the first middle sleeve is fixed on the middle head restraining lining 104.

For example, first cable 105 may be looped through left and right head restraint linings 102 and 103 (similar to a shoelace structure), and at this time, a sleeve or a snap fastener may be provided at the intersection and/or the bottom end of first cable 105 to fix and thread first cable 105.

As shown in fig. 1 and 3, according to an embodiment of the present disclosure, the arm fixing part 200 includes a left arm restraining bush 202, a right arm restraining bush 203, and a middle arm restraining bush 204; the second BOA adjusting device 201 includes a second BOA knob 205 located on the middle arm restraining lining 204, and a second wire rope 206 threaded through the left-side arm restraining lining 202 and the right-side arm restraining lining 203.

For example, the arm fixing part 200 may include two arms corresponding to the left arm and the right arm, respectively. Each arm can comprise a left arm restraining lining 202, a right arm restraining lining 203 and a middle arm restraining lining 204, namely, the structure of three double-layer restraining linings is also adopted, the surface of the double-layer restraining linings is wear-resistant oxford or denim, and the inner side of the double-layer restraining linings is flannelette, so that the comfort degree of a patient during fixation is improved. The second BOA knob 205 is disposed on the middle arm restraining lining cloth 204, and the second wire rope 206 is disposed through the left arm restraining lining cloth 202 and the right arm restraining lining cloth 203, so that the tightness among the left arm restraining lining cloth 202, the right arm restraining lining cloth 203, and the middle arm restraining lining cloth 204 can be adjusted by rotating the second BOA knob 205, and thus when an arm needs to be sleeved in or separated from the lining cloth, the arm can be fixed or released by adjusting the tightness (tightness).

According to an embodiment of the present disclosure, the left arm restraining bush 202 is fixed to the support 2 at one end 2020 away from the middle arm restraining bush 204 (the other end may not be fixed to the support, for example); the right side arm restraining padding 203 is fixed to the support 2 at an end 2030 distal from the middle arm restraining padding 204 (the other end may not be fixed to the support, for example); the upper and lower ends of the middle arm constraint lining cloth 204 are not fixed on the supporting part 2 (namely, the upper and lower ends are free ends to form a hollow sleeve, which is convenient for the arm to be sleeved in).

According to an embodiment of the present disclosure, the left side arm restraining bush 202 is provided with a first left perforation 207 (the number may be one or more, for example, two, three, etc.) on one end near the middle arm restraining bush 204; the right side arm restraining lining 203 is provided with a first right perforation 208 (the number may be one or more, for example, two, three, etc.) on one end close to the middle arm restraining lining 204; the second cable 206 passes through the first left perforation 207 and the first right perforation 208 after passing out of the second BOA knob 205, and then enters the second BOA knob 205.

For example, one end of each of the left arm restraining padding 202 and the right arm restraining padding 203 may be sewn to the support 2, and the other end of each of the left arm restraining padding 202 and the right arm restraining padding 203 may be provided with a first left perforation 207 and a first right perforation 208 for facilitating the insertion of the second wire rope 206, and the entire structure thereof may be formed in a structure similar to a shoelace, so that the tightness among the left arm restraining padding 202, the right arm restraining padding 203, and the middle arm restraining padding 204 may be adjusted by the adjusting structure of the second BOA knob 205 and the second wire rope 206, and thus the arms may be fixed or released by adjusting the tightness (tightness) when they need to be inserted into or removed from the support.

According to an embodiment of the present disclosure, the second steel wire rope 206 is further provided with a second middle sleeve (cross-shaped at the intersection and in-line at the bottom end) at the intersection 209 and/or the bottom end 210, and the second middle sleeve is fixed on the middle arm constraint lining 204.

For example, the second cable 206 may be looped through the left arm restraining bush 202 and the right arm restraining bush 203 (similar to a shoelace structure), and at this time, a sleeve or a sewn rope fastener may be provided at the intersection and/or the bottom end of the second cable 206 to fix and thread the second cable 206.

As shown in fig. 1 and 4, according to an embodiment of the present disclosure, the leg fixing part 300 includes a left leg restraining bush 302, a right leg restraining bush 303, and a middle leg restraining bush 304; the third BOA adjusting device 301 comprises a third BOA knob 305 located on the middle leg restraining lining cloth, and a third steel wire rope 306 passing through the left leg restraining lining cloth and the right leg restraining lining cloth.

For example, the leg fixing part 300 may include two, corresponding to the left and right legs, respectively. Each leg fixing part 300 may include a left leg restraining lining cloth 302, a right leg restraining lining cloth 303, and a middle leg restraining lining cloth 304, that is, a structure of three double-layer restraining lining cloths, the surface of which is wear-resistant oxford or denim, and the inner of which is a lint, so as to increase the comfort of the patient during fixing. The third BOA knob 305 is arranged on the middle leg restraining lining cloth 304, and the third steel wire rope 306 is arranged on the left leg restraining lining cloth 302 and the right leg restraining lining cloth 303 in a penetrating mode, so that the tightness among the left leg restraining lining cloth 302, the right leg restraining lining cloth 303 and the middle leg restraining lining cloth 304 can be adjusted by rotating the third BOA knob 305, and therefore when a leg needs to be sleeved in and needs to be separated from the leg, the leg is fixed or released through adjustment of tightness states (tightness).

According to an embodiment of the present disclosure, the left leg restraining padding 302 is fixed to the support 2 at one end 3020 remote from the middle leg restraining padding 304 (the other end may for example not be fixed to the support); the right leg restraining bush 303 is fixed to the support 2 at one end 3030 thereof remote from the middle leg restraining bush 304 (the other end may not be fixed to the support, for example); the upper end and the lower end of the middle leg constraint lining cloth 304 are not fixed on the supporting part 2 (namely, the upper end and the lower end are free ends to form a hollow sleeve, so that an arm can be conveniently sleeved in the sleeve).

According to an embodiment of the present disclosure, the left leg restraining interlining 302 is provided with a second left perforation 307 (the number may be one or more, for example two, three, etc.) on one end near the middle leg restraining interlining 304; the right leg restraining bush 303 is provided with a second right perforation 308 (the number may be one or more, for example two, three, etc.) on one end close to the middle leg restraining bush 304; the third steel wire rope 306 passes through the second left perforation 307 and the second right perforation 308 after passing out of the third BOA knob 305, and then enters the third BOA knob 305.

For example, one end of each of the left leg restraining padding 302 and the right leg restraining padding 303 may be sewn to the support 2, and the other end of each of the left leg restraining padding 302 and the right leg restraining padding 303 may be provided with a second left perforation 307 and a second right perforation 308 through which a third wire rope 306 may be conveniently inserted, and the entire structure thereof may be formed in a structure similar to a shoelace, so that the tightness among the left leg restraining padding 302, the right leg restraining padding 303, and the middle leg restraining padding 304 may be adjusted by using the adjustment structure of the third BOA knob 305 and the third wire rope 306, and thus, when the leg needs to be inserted into and separated from the leg, the leg may be fixed or released by adjusting the tightness (degree of tightness).

According to the embodiment of the present disclosure, the third steel wire rope 306 is further provided with a third middle sleeve (in a cross shape at the intersection and in a straight shape at the bottom end) at the intersection 309 and/or the bottom end 310, and the third middle sleeve is fixed on the middle leg constraint lining 304; the leg fixing portion 300 is provided with a puncture hole (not shown) on the inner side of the right leg.

For example, the third steel cables 306 may be circularly threaded through the left leg restraining padding 302 and the right leg restraining padding 303 (similar to a shoelace structure), and at this time, sleeves or rope fasteners may be arranged at the mutual crossing positions and/or the bottom ends of the third steel cables 306, so as to fix and thread the third steel cables 306. For example, the leg fixing portion 300 may be different from the arm fixing portion 200 in that the second left and right through holes 307 and 308 are different in number from the first left and right through holes 207 and 208 (the leg fixing portion 300 may be provided with more through holes). In addition, an operation hole can be reserved on the inner side of the right leg, so that operation puncture is facilitated.

From the above description of the embodiments, it is clear to those skilled in the art that the present invention can be implemented by other structures, and the features of the present invention are not limited to the above preferred embodiments. Any changes or modifications that can be easily conceived by a person skilled in the art are intended to be covered by the scope of the present invention.

Claims (16)

1. A DSA operation table head and four limbs fixing device, characterized in that, including can dismantle the formula and fix to the supporting part of DSA operation table, be provided with on the supporting part:

a head fixing part which is sleeved on the head of a patient; the head fixing part is provided with a first BOA adjusting device; the first BOA adjusting device adjusts the tightness state of the head fixing part when the head of the patient is sleeved in the head fixing part;

an arm fixing part which is fitted over an arm of the patient; a second BOA adjusting device is arranged on the arm fixing part; the second BOA adjusting device adjusts the tightness state of the arm fixing part when the arm of the patient is sleeved in the arm fixing part; and

a leg fixing part fitted over the leg of the patient; a third BOA adjusting device is arranged on the leg fixing part; the third BOA adjusting device adjusts the tightness state of the leg fixing part when the leg of the patient is sleeved in the leg fixing part.

2. The DSA surgical bed head and limb fixation device according to claim 1, wherein the head fixation portion comprises a left head restraint lining, a right head restraint lining, and a middle head restraint lining; the first BOA adjusting device comprises a first BOA knob located on the middle head restraining lining cloth and a first steel wire rope penetrating through the left side head restraining lining cloth and the right side head restraining lining cloth.

3. The DSA surgical bed head and limb fixation device of claim 2, wherein the left head restraint backing is secured to the support at an end distal from the medial head restraint backing; the right side head restraining lining cloth is fixed on the supporting part at one end far away from the middle head restraining lining cloth; the middle head restraint lining cloth is fixed on the supporting part at one end close to the top of the head.

4. The DSA surgical bed head and limb fixation device according to claim 3, wherein the left head restraint lining is provided with a first left cannula at one end near the middle head restraint lining; the right side head restraining lining cloth is provided with a first right sleeve at one end close to the middle head restraining lining cloth; and the first steel wire rope penetrates out of the first BOA knob, then penetrates through the first left sleeve and the first right sleeve, and then enters the first BOA knob.

5. The DSA surgical bed head and limb fixation device according to any one of claims 2-4, wherein the first wire rope is further provided with a first middle sleeve at the intersection and/or the bottom end, and the first middle sleeve is fixed on the middle head restraining lining.

6. The DSA surgical bed head and extremity restraint device according to any one of claims 1-4, wherein the arm securing portion includes a left arm restraint backing, a right arm restraint backing, and a middle arm restraint backing; the second BOA adjusting device comprises a second BOA knob located on the middle arm constraint lining cloth and a second steel wire rope penetrating through the left side arm constraint lining cloth and the right side arm constraint lining cloth.

7. The DSA surgical bed head and limb fixation device according to claim 6, wherein the left side arm restraining lining is fixed on the support at an end distal from the middle arm restraining lining; the right side arm restraining lining cloth is fixed on the supporting part at one end far away from the middle arm restraining lining cloth; the upper end and the lower end of the middle arm constraint lining cloth are not fixed on the supporting part.

8. The DSA surgical bed head and limb fixation device of claim 7, wherein said left side arm restraining liner is provided with a first left perforation on one end proximal to said middle arm restraining liner; the right side arm constraint lining cloth is provided with a first right perforation at one end close to the middle arm constraint lining cloth; and the second steel wire rope penetrates out of the second BOA knob, then penetrates through the first left through hole and the first right through hole, and then enters the second BOA knob.

9. The DSA surgical bed head and limb fixation device according to claim 8, wherein the second wire rope is further provided with a second middle sleeve at the intersection and/or bottom end, the second middle sleeve being fixed on the middle arm constraint lining.

10. The DSA surgical bed head and limb fixation device of any one of claims 1-4, 7-9, wherein the leg fixation portion comprises a left leg restraining lining, a right leg restraining lining, and a mid leg restraining lining; the third BOA adjusting device comprises a third BOA knob located on the middle leg restraining lining cloth and a third steel wire rope penetrating through the left side leg restraining lining cloth and the right side leg restraining lining cloth.

11. The DSA surgical bed head and limb fixation device of claim 10, wherein said left leg restraining patch is secured to said support at an end distal from said medial leg restraining patch; the right leg restraining lining cloth is fixed on the supporting part at one end far away from the middle leg restraining lining cloth; the upper end and the lower end of the middle leg constraint lining cloth are not fixed on the supporting part.

12. The DSA surgical bed head and extremity immobilization device of claim 11 wherein said left leg restraining insert is provided with a second left perforation on an end proximate to said middle leg restraining insert; the right leg restraining lining cloth is provided with a second right perforation at one end close to the middle leg restraining lining cloth; and the third steel wire rope penetrates out of the third BOA knob, then penetrates through the second left through hole and the second right through hole, and then enters the third BOA knob.

13. The DSA surgical bed head and limb fixation device according to claim 12, wherein the third wire rope is further provided with a third middle sleeve at the intersection and/or bottom end, the third middle sleeve being fixed on the middle leg constraint lining; and an operation hole for puncture is reserved on the inner side of the right leg position of the leg fixing part.

14. The DSA surgical bed head and limb fixation device according to any one of claims 1-4, 7-9, 11-13, wherein the support portion further has disposed thereon at least one of:

first traction belts arranged at both side positions corresponding to the head fixing part;

second traction belts arranged at both sides corresponding to the arm fixing part;

and third traction belts arranged at both sides corresponding to the leg fixing parts.

15. The DSA surgical bed head and limb fixation device of claim 14, wherein the first, second, and third traction bands are wrapped around the dorsal face of the DSA surgical bed and fixed to each other, respectively.

16. The DSA surgical bed head and limb fixation device of claim 15, wherein the first traction straps are fastened to each other by a button, male and female buttons, or a strap buckle; the second traction belt is buckled with each other through a Chinese character 'mu' buckle, a male buckle, a female buckle or a belt buckle; the third traction belt is buckled with each other through a mesh buckle, a male buckle and a female buckle or a belt buckle.

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