CN220213311U

CN220213311U - Preoperative disinfection auxiliary device based on 3D prints

Info

Publication number: CN220213311U
Application number: CN202321440960.0U
Authority: CN
Inventors: 阮育凤; 李冬梅; 徐颖; 董鑫洋; 李群; 梁永昊
Original assignee: SECOND HOSPITAL OF TANGSHAN
Current assignee: SECOND HOSPITAL OF TANGSHAN
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-12-22
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a 3D printing-based preoperative disinfection auxiliary device, which comprises a substrate, wherein a support column is arranged on the substrate, the top of the support column is connected with a body position placer, and the support column comprises an assembly seat cylinder, a threaded screw rod, a threaded sleeve, a first gear, a second gear and a driving shaft; wherein the assembly seat cylinder is fixed with the assembly panel; the top of the threaded sleeve is connected with the body position placer, and the threaded sleeve is sleeved on the upper part of the threaded screw rod; the lower part of the threaded lead screw is in rotary fit with the assembly seat cylinder, and the end part of the threaded lead screw extending into the assembly seat is connected with the first gear; the first gear and the second gear are both arranged in the assembly seat cylinder, and the shaft end of the second gear protrudes out of the side wall of the assembly seat cylinder; the inner end of the driving shaft is fixedly connected with the shaft end of the second gear, and the outer end of the driving shaft is connected with a manual rocker; the body position placer is a supporting plate matched with the physiological curve of the lower side of the limb operation part and formed by 3D printing, and the height of the limb can be conveniently and laborsaving adjusted when the limb is loaded according to the scheme, so that the medical operation is more convenient.

Description

Preoperative disinfection auxiliary device based on 3D prints

Technical Field

The utility model belongs to a medical fixing support, and particularly relates to a 3D printing-based preoperative disinfection auxiliary device.

Background

Orthopedic surgery is an optimal medical treatment for bone trauma and is incomparable with other treatments. Surgical sterilization prior to surgery is an indispensable link. Aiming at limb injury patients in traditional medical treatment, a method for suspending limbs is mostly adopted, namely articles such as gauze for the affected limbs are suspended on an overhead, and the method has the following defects and risks: 1) The limb suspension can be completed by cooperation of a plurality of nurses and doctors; 2) The operation field is inconvenient for doctors to disinfect; after disinfection, a doctor needs to wait for in-place to perform operation, and if the waiting time is long, peripheral blood circulation and nerve side injury are easy to occur; 3) Secondary displacement of fracture easily caused in the suspension process; 4) Other suspending accidents, such as loose knot of gauze, falling of limbs caused by insufficient inclination and bearing force of a bracket, and the like.

The utility model patent of China, patent number 202222596424.1, application day 2022, 09 and 29U, grant bulletin number CN218529181U, discloses a limb fixing frame, which comprises a fixing plate (1), wherein a screw is arranged in the fixing plate (1), the lower end of a telescopic component (7) is arranged on the screw, the screw rotates to enable the telescopic component to move along the screw, a fixing arc plate (8) is arranged at the top of the telescopic component, a binding belt component (10) is connected to the fixing arc plate (8), and a limb to be disinfected is placed on the fixing arc plate (8). According to the scheme, the limbs are supported to a certain height from the lower sides of the limbs in a lifting mode, the supporting strength of the telescopic rod component is high, the problem that the limbs fall due to insufficient rigidity and the fact that gauze is knotted is avoided, but the structure still has specific defects, for example, after the limbs are placed on the fixing frame, the top fixing arc plate is heavy, if the limbs are fat or a patient cannot cooperate with medical care, the supporting height is difficult to adjust again, and therefore if the proper height cannot be accurately adjusted in advance, the limbs can be removed and readjusted only, and the structure is inconvenient to use. If the radian of the arc plate is too large, the operation area of the skin can be shielded, and medical operation is prevented; if the arc plate is too small, the limb is easy to incline even if a binding belt is arranged.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a limb supporting structure which can conveniently and rapidly adjust the supporting height and angle under the condition of bearing the limb.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a disinfection auxiliary device before operation based on 3D prints, includes the base plate, installs the support column on the base plate, and support column top connection position placer, the base plate comprises the assembly panel to and set up in the assembly panel lateral part, be used for with the curb plate of operation table card solid; the support column comprises an assembly seat cylinder, a threaded lead screw, a threaded sleeve, a first gear and a second gear which are meshed with each other, and a driving shaft; wherein the assembly seat cylinder is fixed with the assembly panel; the top of the threaded sleeve is connected with the body position placer, and the threaded sleeve is sleeved on the upper part of the threaded screw rod; the lower part of the threaded lead screw is in rotary fit with the assembly seat cylinder, and the end part of the threaded lead screw extending into the assembly seat is connected with the first gear; the first gear and the second gear are both arranged in the assembly seat cylinder, and the shaft end of the second gear protrudes out of the side wall of the assembly seat cylinder; the inner end of the driving shaft is fixedly connected with the shaft end of the second gear, and the outer end of the driving shaft is connected with a manual rocker; the body position placer is a supporting plate which is formed by 3D printing and matched with a physiological curve at the lower side of the limb operation part.

Compared with the prior art, the utility model adopting the technical scheme has the beneficial effects that:

according to the utility model, lifting is realized through the gear transmission support column, the manual rocker is more convenient for adjusting the expansion of the support column, and the support height can be conveniently and laborsaving adjusted when the support plate is loaded with limbs, so that the height of the limbs can be more conveniently adjusted to a position suitable for medical operation by medical care.

Preferably, the utility model further adopts the technical scheme that:

the cross section of the support plate of the body position placer is arc-shaped, and the upper edges of the two sides of the support plate extend to the height of 1/4 to 1/3 of the limb; at least one end of the two ends is provided with an arc stirrup, and the side surface of the arc stirrup is fixedly connected with a sliding rod which is axially arranged; a sliding groove axially arranged along the supporting plate is arranged in the supporting plate; the slide bar is arranged in the slide groove; the two ends of the arc stirrup extend to the height of 1/2 to 2/3 of the limb.

The advantages obtained by the above features are: according to the scheme, more skin operation areas can be exposed, the wrapping range of the supporting plate right below the operation area is smaller, more skin can be exposed, and medical operation is prevented from being hindered; the arc stirrups can well fix the limbs, and prevent the limbs from sideslip and falling.

The sliding groove is an open type strip-shaped hole formed in the outer surface of the supporting plate, and a circular hole is formed in the end face of the supporting plate; the inner end of the sliding rod is fixedly connected with a limiting block, the limiting block is composed of a connecting tail fixedly connected with the outer part of the sliding rod, and a protruding head which is integrated with the connecting tail into a whole, is larger than the strip-shaped hole in width, is contacted with the outer surface of the supporting plate and slides on the outer surface of the supporting plate.

The advantages obtained by the above features are: the scheme ensures that the movement stability of the arc stirrup is better, and the limiting block prevents the arc stirrup from sliding out of the supporting plate.

The end of the arc stirrup is provided with a spherical protective cap.

The advantages obtained by the above features are: the spherical protective cap avoids contusion to the limbs of the patient.

The top of the threaded sleeve is fixedly connected with a cover plate, and the top surface of the cover plate is fixedly connected with a hinge lug; the lower side of the body position placer is fixedly connected with a connecting plate, and the connecting plate is connected with the hinge lug through a hinge shaft.

The advantages obtained by the above features are: the supporting plate can be rotatably arranged on the supporting column, so that a wound or a fracture part can be avoided when the limb is placed.

The size of the threaded sleeve is the same as that of the outer wall of the assembly seat cylinder, and the threaded sleeve contacts with the assembly seat cylinder when moving to the lowest position.

The advantages obtained by the above features are: the outer surfaces of the fixed cylinder and the movable cylinder are equal in size, so that the appearance of the device is more attractive; the assembly seat cylinder can also be used as a downward movement limit of the movable cylinder.

The base plate is also provided with a shield sleeved outside the driving shaft, the inner end of the shield is fixedly connected with the assembly seat cylinder, and the outer end of the shield extends to the edge of the base plate; the outer end of the shield is provided with a bearing seat; the outer end of the driving shaft is provided with a bearing.

The advantages obtained by the above features are: according to the scheme, fixed supporting structures are arranged at two ends of the driving shaft, so that the driving shaft is ensured to be horizontal, and the driving shaft is ensured to rotate on the threaded screw rod.

The manual rocker is L-shaped or Z-shaped, and is connected with the driving shaft by a detachable key.

The advantages obtained by the above features are: the manual rocker can be removed when the height of the limb does not need to be adjusted, so that the long rod protruding structure is prevented from obstructing or injuring a patient or medical care.

The assembly seat cylinder is slidably mounted on the assembly panel.

The advantages obtained by the above features are: the proper position of the support column can be conveniently adjusted according to the body type of the patient.

The shield section between the assembly seat cylinder and the bearing seat is a telescopic threaded pipe.

The advantages obtained by the above features are: the telescopic threaded cover tube does not hinder the drive shaft from moving.

Drawings

Fig. 1 is an overall outline view of the present utility model.

FIG. 2 is a schematic diagram of the internal structure of the support column of the present utility model.

Fig. 3 is a diagram showing an end portion structure of the manual rocker connected to the driving shaft.

Fig. 4 is a diagram of a modified construction of the posture set of the present utility model.

Fig. 5 is a top view of an improved embodiment of the placer of the utility model.

Fig. 6 is a diagram showing an improved embodiment of the sliding groove and sliding rod matching structure on the supporting plate.

Reference numerals illustrate: 1. a substrate; 2. assembling a seat cylinder; 3. a threaded sleeve; 301. a cover plate; 302. a hinge ear; 4. a body position placer; 401. a connecting plate; 402. a supporting plate; 403. arc stirrups; 404. a slide bar; 405. a chute; 406. a limiting block; 4061. a connecting tail; 4062. a protrusion; 5. a shield; 6. a drive shaft; 7. a manual rocker; 8. a threaded lead screw; 9. a first gear; 10. a second gear; 11. and (3) a bearing.

Detailed Description

The utility model will be further illustrated with reference to specific examples, which are to be understood as illustrative only and are not intended to limit the scope of the utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.

Referring to fig. 1 and 2, the preoperative disinfection auxiliary device based on 3D printing provided by the utility model comprises a base plate 1, wherein a support column is arranged on the base plate 1, and the top of the support column is connected with a body position placer 4.

The base plate 1 is composed of an assembly panel and a side plate arranged on the side part of the assembly panel and used for being clamped and fixed with an operating table. The width of the assembly panel is the same as that of the operation bed, the two sides of the assembly panel are fixedly connected with the side plates, and the two side plates are clamped and fixed on the operation bed, so that the device is fixed on the operation bed.

The support column comprises an assembly seat cylinder 2, a threaded lead screw 8, a threaded sleeve 3, a first gear 9 and a second gear 10 which are meshed with each other, and a driving shaft 6; wherein the assembly seat cylinder 2 is fixed with the assembly panel; the top of the threaded sleeve 3 is connected with the body position placer 4, and the threaded sleeve 3 is sleeved on the upper part of the threaded screw rod 8; the lower part of the threaded lead screw 8 is in rotary fit with the assembly seat cylinder 2, and the end part of the threaded lead screw 8 extending into the assembly seat is connected with a first gear 9; the first gear 9 and the second gear 10 are arranged inside the assembly seat cylinder 2, and the shaft end of the second gear 10 protrudes out of the side wall of the assembly seat cylinder 2; the inner end of the driving shaft 6 is fixedly connected with the shaft end of the second gear 10, and the outer end is connected with a manual rocker 7. According to the support column, the driving shaft 6 is rotated through the manual rocker 7, the driving shaft 6 is meshed with the threaded screw rod 8 through the gear, and the rotation of the threaded screw rod 8 is converted into linear movement of the threaded sleeve 3, so that the posture placer 4 moves up and down.

The body position placer 4 is a pallet 402 which is matched with the physiological curve of the lower side of the limb operation part through 3D printing. The pallet 402 holds the limb from its underside, and its intrados in contact with the limb may be provided with a mesh or silicone pad.

Specifically, referring to fig. 4 and 5, the cross section of the pallet 402 of the posture rest 4 of the present utility model is arc-shaped, and the upper edges of the two sides thereof extend to the height of 1/4 to 1/3 of the limb; at least one end of the two ends is provided with an arc stirrup 403, and the side surface of the arc stirrup 403 is fixedly connected with a slide bar 404 which is axially arranged; a chute 405 is arranged along the axial direction of the pallet 402; the slide bar 404 is arranged in the slide groove 405; the ends of the arc-shaped stirrup 403 extend to a height of 1/2 to 2/3 of the limb. The scheme can expose more skin in an operation area, the wrapping range of the supporting plate 402 positioned right below the operation area is smaller, more skin can be exposed, and medical operation is prevented from being hindered; the arc stirrups 403 can well fix the limbs and prevent the limbs from sideslip and falling. The arc stirrup can be the cross-section and be square arc pole, also can be the cross-section and be circular arc pole, and arc stirrup 403 tip (arc both ends) are equipped with spherical protective cap, avoid placing limbs or remove the patient's skin of contusion when the limbs.

As an alternative embodiment, referring to fig. 6, the chute 405 is shown as an open bar-shaped hole in the outer surface of the pallet 402 and as a circular hole in the end surface of the pallet 402; the inner end of the sliding rod 404 is fixedly connected with a limiting block 406, and the limiting block 406 is composed of a connecting tail 4061 fixedly connected with the outer side of the sliding rod 404 and a protruding head 4062 which is integrated with the connecting tail 4061, has a width larger than that of the strip-shaped hole, is contacted with the outer surface of the supporting plate 402 and slides on the outer surface of the supporting plate 402. The limiting block 406 prevents the arc stirrup 403 from being pulled out of the chute 405 when being pulled out, and the protruding head 4062 is abutted and slid with the supporting plate 402, and meanwhile, the limiting block also plays a role in stabilizing the sliding rod 404.

As an alternative embodiment, the top of the threaded sleeve 3 is fixedly connected with a cover plate 301, and the top surface of the cover plate 301 is fixedly connected with a hinge lug 302; the lower side of the body position placer 4 is fixedly connected with a connecting plate 401, and the connecting plate 401 is connected with the hinge lug 302 through a hinge shaft. The supporting plate 402 is connected with the rotating shaft of the threaded sleeve 3, so that a wound or a fracture part can be avoided when the limb is placed. The device is used for supporting legs, the rotating joint is connected with the movable shaft in the embodiment, and the body position placer 4 can swing back and forth; the hinge ears 302 and the connecting plate 401 have certain widths, and the hinge shafts with larger diameters are selected, so that the body position placer 4 cannot swing left and right, thereby preventing limbs from inclining inwards or outwards and preventing the limbs from falling from the supporting plate 402.

Preferably, the size of the threaded sleeve 3 is the same as that of the outer wall of the assembly seat cylinder 2, and the threaded sleeve 3 contacts with the assembly seat cylinder 2 when moving to the lowest position; thus, the appearance of the device is more attractive; the mounting seat cylinder 2 can also be used as a downward movement limit of the movable cylinder.

The base plate 1 is also provided with a shield 5 sleeved outside the driving shaft 6, the inner end of the shield 5 is fixedly connected with the assembly seat cylinder 2, and the outer end extends to the edge of the base plate 1; the outer end of the shield 5 is provided with a bearing 11 seat; the outer end of the driving shaft 6 is provided with a bearing 11. Both ends of the driving shaft 6 are provided with fixed supporting structures, so that the driving shaft 6 is ensured to be horizontal, and the driving shaft 6 is ensured to rotate the threaded screw rod 8.

Specifically, the manual rocker 7 is L-shaped or zigzag, and the manual rocker 7 is detachably connected with the driving shaft 6 through a key. Referring to fig. 3, a key slot is arranged at the outer end of the driving shaft 6, a key shaft is arranged on the manual rocker 7, when the height of the whole body position placer 4 needs to be adjusted, the manual rocker 7 is installed, the manual rocker 7 rotates forward to enable the body position placer 4 to be lifted, rotates reversely to enable the body position placer 4 to be lowered, the manual rocker 7 can be removed when the height of a limb does not need to be adjusted, and the long rod protruding structure is prevented from obstructing or injuring a patient or medical care.

Preferably, the mounting seat cylinder 2 is slidably mounted on the mounting panel, so that the proper position of the support column can be adjusted according to the body type of a patient. On the basis, the shield 5 is of a telescopic structure, and the section of the shield 5 between the mounting seat cylinder 2 and the bearing 11 seat is a telescopic threaded pipe.

The base plate adopts an inverted U-shaped structure, is convenient to install, and can be stably fixed on an operating table, so that the stability of limbs and an auxiliary device in the disinfection process is maintained, complicated steps are removed, the medical care burden is reduced, and the accidental occurrence in the disinfection process is prevented; different lifting heights can be adjusted at will through the manual rocker, so that not only can the lifting height be adjusted before the limb is put in, but also the lifting height can be adjusted again according to the medical care needs after the limb is put in, and the convenient position can be selected in the operation of the medical care; the body position placer is connected through a large hinge shaft, so that the fracture end is placed on the body position placer and the angle is adjusted at will, thereby attaching the injured limb and ensuring that the secondary displacement of fracture does not occur; the detachable and movable fixed base plate can realize the disinfection of limbs at two sides and different parts of the lower limb; the body position placer provided by the utility model adopts a 3D printing material, has flexible texture, comfortable feeling of a patient, stable chemical property and convenience in cleaning.

Claims

1. The utility model provides a disinfection auxiliary device before operation based on 3D prints, includes the base plate, installs the support column on the base plate, and the position placer, its characterized in that are connected at support column top:

the base plate consists of an assembly panel and a side plate arranged on the side part of the assembly panel and used for being clamped and fixed with an operating table;

the support column comprises an assembly seat cylinder, a threaded lead screw, a threaded sleeve, a first gear and a second gear which are meshed with each other, and a driving shaft; wherein the assembly seat cylinder is fixed with the assembly panel; the top of the threaded sleeve is connected with the body position placer, and the threaded sleeve is sleeved on the upper part of the threaded screw rod; the lower part of the threaded lead screw is in rotary fit with the assembly seat cylinder, and the end part of the threaded lead screw extending into the assembly seat is connected with the first gear; the first gear and the second gear are both arranged in the assembly seat cylinder, and the shaft end of the second gear protrudes out of the side wall of the assembly seat cylinder; the inner end of the driving shaft is fixedly connected with the shaft end of the second gear, and the outer end of the driving shaft is connected with a manual rocker;

the body position placer is a supporting plate which is formed by 3D printing and matched with a physiological curve at the lower side of the limb operation part.

2. 3D printing-based preoperative disinfection aid as claimed in claim 1, wherein: the cross section of the support plate of the body position placer is arc-shaped, and the upper edges of the two sides of the support plate extend to the height of 1/4 to 1/3 of the limb; at least one end of the two ends is provided with an arc stirrup, and the side surface of the arc stirrup is fixedly connected with a sliding rod which is axially arranged; a sliding groove axially arranged along the supporting plate is arranged in the supporting plate; the slide bar is arranged in the slide groove; the two ends of the arc stirrup extend to the height of 1/2 to 2/3 of the limb.

3. 3D printing-based preoperative disinfection aid as claimed in claim 2, wherein: the sliding groove is an open type strip-shaped hole formed in the outer surface of the supporting plate, and a circular hole is formed in the end face of the supporting plate; the inner end of the sliding rod is fixedly connected with a limiting block, the limiting block is composed of a connecting tail fixedly connected with the outer part of the sliding rod, and a protruding head which is integrated with the connecting tail into a whole, is larger than the strip-shaped hole in width, is contacted with the outer surface of the supporting plate and slides on the outer surface of the supporting plate.

4. 3D printing-based preoperative disinfection aid as claimed in claim 2, wherein: the end of the arc stirrup is provided with a spherical protective cap.

5. 3D printing-based preoperative disinfection aid as claimed in claim 1, wherein: the top of the threaded sleeve is fixedly connected with a cover plate, and the top surface of the cover plate is fixedly connected with a hinge lug; the lower side of the body position placer is fixedly connected with a connecting plate, and the connecting plate is connected with the hinge lug through a hinge shaft.

6. 3D printing-based preoperative disinfection aid as claimed in claim 1, wherein: the size of the threaded sleeve is the same as that of the outer wall of the assembly seat cylinder, and the threaded sleeve contacts with the assembly seat cylinder when moving to the lowest position.

7. 3D printing-based preoperative disinfection aid as claimed in claim 1, wherein: the base plate is also provided with a shield sleeved outside the driving shaft, the inner end of the shield is fixedly connected with the assembly seat cylinder, and the outer end of the shield extends to the edge of the base plate; the outer end of the shield is provided with a bearing seat; the outer end of the driving shaft is provided with a bearing.

8. The 3D printing-based preoperative sterilization aid as defined in claim 7, wherein: the manual rocker is L-shaped or Z-shaped, and is connected with the driving shaft by a detachable key.

9. The 3D printing-based preoperative sterilization aid as defined in claim 7, wherein: the assembly seat cylinder is slidably mounted on the assembly panel.

10. The 3D printing-based preoperative sterilization aid as defined in claim 9, wherein: the shield section between the assembly seat cylinder and the bearing seat is a telescopic threaded pipe.