CN214049247U

CN214049247U - A top device is rolled over in pressurization for closed fracture resets

Info

Publication number: CN214049247U
Application number: CN202021232277.4U
Authority: CN
Inventors: 刘贵臻
Original assignee: BOE Technology Group Co Ltd
Current assignee: BOE Technology Group Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-08-27
Anticipated expiration: 2030-06-29

Abstract

The present disclosure provides a compression roof-folding device for reduction of closed fracture, comprising: the fixing part is used for fixing the limb of the patient; the driving part is fixed at one end of the fixed part and is used for driving the rotating part to rotate; the rotating part comprises a rotating bracket, a first connecting part and a second connecting part, and the rotating bracket and the driving part are connected with the first connecting part and the second connecting part which are arranged oppositely; the pressurizing part at least comprises a first pressure lever, a second pressure lever, a first force application pressure head, a second force application pressure head, a first screw motor and a second screw motor; one end of the first pressure lever is connected with the first connecting part, the other end of the first pressure lever is fixedly provided with a first force application pressure head and a first screw rod motor, and the first screw rod motor is used for driving the first force application pressure head to apply pressure to the affected part of the patient; one end of the second pressure lever is connected with the second connecting part, the other end of the second pressure lever is fixedly provided with a second force application pressure head and a second screw rod motor, and the second screw rod motor is used for driving the second force application pressure head to apply pressure to the affected part of the patient.

Description

A top device is rolled over in pressurization for closed fracture resets

Technical Field

The disclosure relates to the field of orthopedic surgery robots, in particular to a pressurizing and top-folding device for reduction of closed fracture.

Background

Closed fracture reduction is one of the important treatment means in the orthopedics department of traditional Chinese medicine. Usually, the operator needs to judge the type and form of the fracture by touching the heart, and make the operation sequence and manipulations based on the judgment, wherein the most important manipulations are "stretching traction" and "compression topping". The reposition method usually needs long-term learning and training, and the rapid development of the technology is very challenging today, especially the great development of the robot technology and the real-time imaging technology, and the robot reposition gradually becomes an important treatment means in the field.

In the prior art, "extension and extension traction" can be realized already through a mechanical arm and a corresponding algorithm, but considering various factors such as spatial layout, implementation cost, technical difficulty and the like, the subsequent fracture reduction step "pressing and top folding" cannot be realized through a mechanical device well by using the conventional means.

SUMMERY OF THE UTILITY MODEL

An object of the disclosed embodiment is to provide a top pressing and folding device for reduction of closed fracture, so as to solve the problem that the top pressing and folding cannot be realized through a mechanical device in the prior art.

In order to solve the technical problem, the embodiment of the present disclosure adopts the following technical solutions: a compression coping device for reduction of closed fractures, comprising at least:

a fixed part, a driving part, a rotating part and a pressurizing part; wherein the content of the first and second substances,

the fixing part is used for fixing the limb of the patient;

the driving part is fixed at one end of the fixed part and used for driving the rotating part to rotate;

the rotating part at least comprises a rotating bracket, a first connecting part and a second connecting part, the rotating bracket is connected with the driving part, the first connecting part and the second connecting part are driven to rotate by the driving part, and the first connecting part and the second connecting part are arranged oppositely;

the pressurizing part at least comprises a first pressure lever, a second pressure lever, a first force application pressure head, a second force application pressure head, a first screw motor and a second screw motor; one end of the first pressure lever is connected with the first connecting part, the other end of the first pressure lever is fixedly provided with the first force application pressure head and the first screw rod motor, and the first screw rod motor is used for driving the first force application pressure head to apply pressure to an affected part of a patient; one end of the second pressing rod is connected with the second connecting portion, the other end of the second pressing rod is fixed with the second force application pressing head and the second screw rod motor, and the second screw rod motor is used for driving the second force application pressing head to apply pressure to an affected part of a patient.

In some embodiments, the fixing portion comprises at least: the patient limb fixing device comprises a supporting plate and fixing belts, wherein a patient limb is arranged on the supporting plate, and the fixing belts are used for fixing the patient limb to the supporting plate.

In some embodiments, the rotating bracket is connected to the drive portion through a gear set.

In some embodiments, the gear set comprises at least: a first gear and a second gear; the first gear is connected with an output end of the driving part and rotates based on the driving force output by the output end, and the second gear is meshed with the first gear and rotates under the driving of the first gear; the rotating bracket is fixedly connected with the second gear.

In some embodiments, one end of the fixing part is provided with a connecting shaft, and the outer wall of the connecting shaft is provided with a needle bearing; the rotating support is provided with a through hole matched with the outer ring of the needle bearing in size, and is sleeved on the needle bearing through the through hole, so that the rotating support is connected to the connecting shaft through the needle bearing.

In some embodiments, the connecting shaft is a hollow shaft.

In some embodiments, one end of the first pressure lever is connected to the first connecting portion through a first knob, and one end of the second pressure lever is connected to the second connecting portion through a second knob.

In some embodiments, the first pressure lever is provided with a first sliding groove, the first knob passes through the first sliding groove and is fixedly connected with the first connecting part, and the position of the first force application pressure head is adjusted by adjusting the length of a superposed part between the first pressure lever and the first connecting part under the condition that the first knob is not fastened; the second pressure lever is provided with a second sliding groove, the second knob penetrates through the second sliding groove to be fixedly connected with the second connecting portion, and under the condition that the second knob is not fastened, the position of the second force application pressure head is adjusted by adjusting the length of a superposed portion between the second pressure lever and the second connecting portion.

The beneficial effects of this disclosed embodiment lie in: the rotating part is driven to rotate through the driving part, the force application position of the force application pressure head is adjusted, the force application pressure head is driven through the lead screw motor, the affected limb of a patient is pressurized, the fracture of the patient is in the original position after being stressed, and a good pressurizing and top folding effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a compression and ejection apparatus according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of the top-folding device after assembly in accordance with an embodiment of the present disclosure;

fig. 3 shows a schematic view of the positions of the first and second apply rams in an embodiment of the disclosure.

Reference numerals

1-affected limb 21 of patient-first force application pressure head 22-second force application pressure head

31-first knob 31-second knob 41-first press lever

41-second pressure lever 5-upper cover 6-rotary bracket

7-connecting shaft 8-needle bearing 9-second gear

10-lower cover 11-driving motor 12-supporting plate

131-first lead screw motor 132-second lead screw motor 14-fixing strap

15-first gear 16-first connection 17-second connection

Detailed Description

Various aspects and features of the disclosure are described herein with reference to the drawings.

It will be understood that various modifications may be made to the embodiments of the present application. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Other modifications will occur to those skilled in the art within the scope and spirit of the disclosure.

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosure and, together with a general description of the disclosure given above, and the detailed description of the embodiments given below, serve to explain the principles of the disclosure.

These and other characteristics of the present disclosure will become apparent from the following description of preferred forms of embodiment, given as non-limiting examples, with reference to the attached drawings.

It should also be understood that, although the present disclosure has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the disclosure, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

The above and other aspects, features and advantages of the present disclosure will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.

Specific embodiments of the present disclosure are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the disclosure that may be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as not to obscure the present disclosure with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriately detailed structure.

The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the disclosure.

Closed fracture reduction is one of the important treatment means in the orthopedics department of traditional Chinese medicine. Usually, the operator needs to judge the type and form of the fracture by touching the heart, and make the operation sequence and manipulations based on the judgment, wherein the most important manipulations are "stretching traction" and "compression topping". The reposition method usually needs long-term learning and training, and the rapid development of the technology is very challenging today, especially the great development of the robot technology and the real-time imaging technology, and the robot reposition gradually becomes an important treatment means in the field. In the prior art, "stretching traction" can be realized already through a mechanical arm and a corresponding algorithm, but the subsequent fracture reduction step "pressing and top folding" cannot be realized through a mechanical device well by the current means.

In order to solve the above problems, the embodiments of the present disclosure provide a compression and ejection device for closed fracture reduction, which utilizes a mechanical means in combination with monitoring of real-time medical images to achieve the closure of the fracture of the limb of the patient. Fig. 1 shows a schematic structural diagram of a pressing roof-folding device in an embodiment of the present disclosure, which mainly includes: the fixing portion, the driving portion, the rotating portion and the pressing portion are described in detail below with reference to the specific structure of fig. 1.

The fixing part is mainly used for fixing the limb 1 of the patient, in the embodiment, taking the arm of the patient as an example, specifically, the fixing part at least comprises a supporting plate 12 and a fixing belt 14; the limb 1 of the patient is placed on the supporting plate 12, the supporting plate 12 is a solid wood plate or plastic plate with a certain length or a plate body made of a material incapable of being imaged in X-rays, so that when real-time imaging shooting is carried out through the X-rays in the later period, the imaging of the supporting plate 12 cannot be used for shooting the fracture part of the patient; fixed band 14 mainly used fixes between patient's limbs 1 and layer board 12, guarantees that the relative position between layer board 12 and the patient's limbs 1 can not change, and it specifically can choose for use magic glue, elastic bandage etc. as fixed band 14 and use.

The driving part in this embodiment is mainly driving motor 11, and it is fixed in the one end of fixed part, specifically for fixing in the one end that layer board 12 kept away from patient's limbs 1, mainly used drive rotating part rotates, and it should be understood that, the rotational speed that the output of driving motor 11 was exported is slowed down through its built-in reduction gear, guarantees that the rotational speed that its output was exported is lower, conveniently combines real-time medical image to carry out accurate rotational position adjustment when driving the rotating part rotatory.

The rotating portion mainly includes a rotating bracket 6, a first connecting portion 16 and a second connecting portion 17, wherein the rotating bracket 6 is connected to the driving motor 11, and is driven by the driving force output by the driving motor 11 to rotate clockwise or counterclockwise, and the first connecting portion 16 and the second connecting portion 17 are protruding connecting portions provided on the rotating bracket 6, and are arranged opposite to each other as shown in fig. 1, and are driven by the rotating bracket 6 to rotate.

Specifically, the rotating bracket 6 and the driving motor 11 are mainly connected and driven through a gear set, and the driving force output by the output end of the driving motor 11 is converted into the rotating power of the rotating bracket 6 through the connection relationship between one or more sets of gears. Further, the output end of the driving motor 11 is usually an output shaft, and a gear is usually disposed at the end of the output shaft, and in order to realize the driving of the driving motor 11 to the rotating bracket 6, the gear set in this embodiment at least includes a first gear 15 and a second gear 9; the first gear 15 is a pinion engaged with a gear of the output shaft of the driving motor 11, or the first gear 15 is used as a gear of the end of the output shaft as long as the first gear can rotate under the driving of the output shaft; the second gear 9 is a gear engaged with the first gear 15, i.e. a gear that can rotate under the driving of the first gear 15, in this embodiment, an inner gear ring can be selected as the second gear 9, which is convenient to engage with the first gear 15, and at this time, the second gear 9 can be directly fixed on the rotating bracket 6, so as to drive the rotating bracket 6, or the second gear 9 can also be selected from other gears engaged with the first gear 15, and at this time, an inner gear ring matched with the gear teeth of the second gear 9 can be arranged on the rotating bracket 6, so as to drive the rotating bracket 6. Fig. 1 shows a specific embodiment in which the first gear 15 is a pinion gear and the second gear 9 is an internal gear ring, and other types of gears or gear sets may be used in practical use as long as the corresponding functions are achieved, and the embodiment is not limited.

In order to realize more stable rotation of the rotating part, one end of the fixed part (the end of the supporting plate 12 provided with the driving motor 11 in fig. 1) is provided with a connecting shaft 7, a needle bearing 8 is arranged on the outer wall of the connecting shaft 7, and the inner diameter of the needle bearing 8 is matched with the outer diameter of the connecting shaft 7, so that a good connection relation between the two is ensured; correspondingly, a through hole matched with the size of the outer ring of the needle bearing 8 is formed in the rotating bracket 6, the rotating bracket 6 is sleeved outside the needle bearing 8 through the through hole in the installation process, the rotating bracket 6 is connected to the connecting shaft 7 through the needle bearing 8, and the relative position between the rotating part and the supporting plate 12 is fixed. Preferably, in order to reduce the overall weight of the pressing and ejecting device and facilitate the connection between the pressing and ejecting device and the mechanical arm or other surgical robot equipment, the connecting shaft 7 is preferably a hollow shaft, and a mounting hole is reserved on the hollow shaft to facilitate the connection with the mechanical arm or other multi-degree-of-freedom equipment.

It should be noted that, the sizes of the rotating bracket 6, the connecting shaft 7, the needle bearing 8, the first gear 15, the second gear 9 and the driving motor 11 need to be matched with each other, that is, after the rotating bracket 6 is sleeved outside the needle bearing 8, the second gear 9 fixed on the rotating bracket can be just meshed with the first gear 15, and the first gear 15 is connected with the output end of the driving motor 11, so that the rotating bracket 6 can be driven by the first gear 15 and the second gear 9 to rotate clockwise or counterclockwise around the connecting shaft when the driving motor 11 works.

The pressurizing part is a part of the pressurizing and ejecting device for applying pressure to the fracture of the patient, as shown in fig. 1, the pressurizing part at least comprises an adjustable pressure lever, a force applying pressure head and a screw motor, and can be specifically divided into a first pressure lever 41, a second pressure lever 42, a first force applying pressure head 21, a second force applying pressure head 22, a first screw motor 131 and a second screw motor 132, wherein one end of the first pressure lever 41 is connected with the first connecting part 16, the other end of the first pressure lever 41 is fixed with the first force applying pressure head 21 and the first screw motor 131, and the first screw motor 131 is used for driving the first force applying pressure head 21 to apply pressure to the affected part (namely the fracture) of the patient; correspondingly, one end of the second pressing rod 42 is connected to the second connecting portion 17, the other end of the second pressing rod 42 is fixed with the second force applying pressing head 22 and the second lead screw motor 132, and the second lead screw motor 132 is used for driving the second force applying pressing head 22 to apply pressure to the affected part of the patient. It should be noted that the first connecting portion 16 and the second connecting portion 17 are disposed oppositely, the first pressing rod 41 and the second pressing rod 42 connected to the first connecting portion 16 and the second connecting portion 17 are also disposed oppositely, and in order to realize the pressure reduction of the affected limb 1 of the patient, the first force applying pressure head 21 and the second force applying pressure head 22 are also disposed oppositely, so that they can apply pressure from different directions of the affected limb when applying pressure, so as to realize the "pressure and top folding" technique similar to the bone injury treatment in traditional Chinese medicine.

Since the fracture positions of the affected limbs 1 of different patients are different, in order to improve the compatibility of the compression jacking device, the first compression bar 41 and the second compression bar 42 are adjustable compression bars, and the extending lengths of the first compression bar 41 and the second compression bar 42 can be adjusted according to the specific positions of the fracture positions. Specifically, the first pressure lever 41 is connected to the first connecting portion 16 through the first knob 31, the second pressure lever 42 is connected to the second connecting portion 17 through the second knob 32, and in order to define the adjusting direction of the first pressure lever 41 and the second pressure lever 42, a groove capable of accommodating the first connecting portion 16 is provided on a surface of the first pressure lever 41 contacting the first connecting portion 16, so that the first connecting portion 16 is located in the groove when being installed, the extending direction of the first pressure lever 41 is defined as the horizontal direction of the first connecting portion 16, and the second pressure lever 42 is the same as the first pressure lever and is not described again.

In order to adjust the length of the compression bar and fix the compression bar and the connecting part, a first sliding groove and a second sliding groove can be arranged on the first compression bar 41 and the second compression bar 42, the directions of the sliding grooves are the same as the extending direction of the compression bar, the length of the sliding grooves cannot exceed the length of the compression bar, and a part of the compression bar and the connecting part which is overlapped always needs to be ensured; at this time, taking the first pressing rod 41 as an example, the first knob 31 needs to pass through the first sliding slot and then be fixed with the first connecting portion 16, a fixed mounting hole is formed in the first connecting portion 16, the first knob 31 passes through the first sliding slot and then is fixed in the mounting hole, and the positional relationship between the first pressing rod 41 and the first connecting portion 16 is fixed during screwing, under the condition that the first knob 31 is not fastened, the length of the overlapping portion between the first pressing rod 41 and the first connecting portion 16 can be adjusted, at this time, the portion of the first knob 31 passing through the first sliding slot can slide in the first sliding slot, so as to adjust the length of the extending portion of the first pressing rod 41, and further adjust the position of the first force applying pressing head 21 fixed at the end of the first pressing rod 41, so that the first force applying pressing head is aligned with the fracture of the patient to be pressed.

The pressing and folding device of the present embodiment may further include an upper cover 5 and a lower cover 10 for covering the driving parts such as the driving motor 11 and the gear set to beautify the overall effect of the pressing and folding device, fig. 2 shows a schematic diagram of the pressing and folding device after the pressing and folding device is assembled, and at this time, the driving motor, the gear set and other structures are covered by the upper cover and the lower cover. In the actual use process, firstly, the affected limb 1 of the patient is fixed on the supporting plate 12 and is fixed by the fixing belt 14, then, the doctor can judge the position of the fracture of the patient by a pre-shot medical image (such as an X-ray film), and adjust the lengths of the first pressure lever 41 and the second pressure lever 42, so that the first force application pressure head 21 at the end part of the first pressure lever 41 is aligned with one end of the fractured bone, and the second force application pressure head 22 at the end part of the second pressure lever 42 is aligned with the other end of the fractured bone, as shown in fig. 3, at this time, the directions of the first force application pressure head 21 and the second force application pressure head 22 can be adjusted by the rotary motion generated by the driving motor 11, and then the first lead screw motor 131 and the second lead screw motor 132 operate to push the first pressure head force application 21 and the second force application pressure head 22 to apply pressure to the fractured bone, so that the fractured bone is reset. It should be noted that fig. 3 shows only a schematic view of a partial structure of the press roof apparatus.

It should be understood that the driving motor 11, the first lead screw motor 131 and the second lead screw motor 132 may be connected to a computer, a server or other devices with a computing function in a wired or wireless manner, and the device is further connected to a device for implementing medical imaging, and the adjustment of the driving motor 11 and the adjustment of the thrust of the first lead screw motor 131 and the second lead screw motor 132 are performed in real time in combination with a real-time medical image taken of the affected limb of the patient until the fractured bone is restored to the original position after being stressed. Meanwhile, the pressurizing and top folding device disclosed by the embodiment can be matched with a mechanical arm for realizing pulling and stretching traction, and the resetting treatment of the pressurizing and top folding can be carried out after the pulling and stretching traction is carried out on the affected limb of the patient.

While the present disclosure has been described in detail with reference to the embodiments, the present disclosure is not limited to the specific embodiments, and those skilled in the art can make various modifications and alterations based on the concept of the present disclosure, and the modifications and alterations should fall within the scope of the present disclosure as claimed.

Claims

1. A compression coping device for reduction of closed fractures, comprising at least:

the fixing part is used for fixing the limb of the patient;

2. The compression roof apparatus as claimed in claim 1, wherein the fixing portion comprises at least: the patient limb fixing device comprises a supporting plate and fixing belts, wherein a patient limb is arranged on the supporting plate, and the fixing belts are used for fixing the patient limb to the supporting plate.

3. The compression roof apparatus as claimed in claim 1, wherein the rotary bracket is connected to the driving part through a gear train.

4. The apparatus according to claim 3, wherein said gear train comprises at least: a first gear and a second gear; the first gear is connected with an output end of the driving part and rotates based on the driving force output by the output end, and the second gear is meshed with the first gear and rotates under the driving of the first gear;

the rotating bracket is fixedly connected with the second gear.

5. The apparatus according to claim 1, wherein a connecting shaft is provided at one end of the fixing portion, and a needle bearing is provided on an outer wall of the connecting shaft;

the rotating support is provided with a through hole matched with the outer ring of the needle bearing in size, and is sleeved on the needle bearing through the through hole, so that the rotating support is connected to the connecting shaft through the needle bearing.

6. The apparatus according to claim 5, wherein the connecting shaft is a hollow shaft.

7. The top-folding device according to claim 1, wherein one end of the first pressure lever is connected to the first connecting portion by a first knob, and one end of the second pressure lever is connected to the second connecting portion by a second knob.

8. The top pressing and folding device according to claim 7, wherein a first sliding groove is formed on the first pressing rod, the first knob passes through the first sliding groove and is fixedly connected with the first connecting part, and under the condition that the first knob is not fastened, the position of the first force applying pressure head is adjusted by adjusting the length of a superposed part between the first pressing rod and the first connecting part;

the second pressure lever is provided with a second sliding groove, the second knob penetrates through the second sliding groove to be fixedly connected with the second connecting portion, and under the condition that the second knob is not fastened, the position of the second force application pressure head is adjusted by adjusting the length of a superposed portion between the second pressure lever and the second connecting portion.