CN111671577A - Wound fracture fixing device with improved patient fixing effect - Google Patents

Abstract

The invention belongs to the technical field of medical auxiliary instruments, and particularly relates to a wound fracture fixing device with an improved patient fixing effect. The existing conventional device is lack of suitable equipment or is not reasonably rescued, so that the wound is more serious, and secondary injury to the fracture part is caused. The invention aims to develop an auxiliary device for pre-hospital first aid and in-hospital treatment of traumatic fracture, which is suitable for effectively fixing a fracture part in the process of first aid of the traumatic fracture and reducing the moving times and secondary damage to blood vessels, nerves and periosteum after injury. The fixing device comprises an outer frame, an inner frame, a clamping device and a connecting piece, wherein the clamping device comprises a clamping plate, a rotating rod, a distance adjusting part and a buckle. The invention has the characteristics of simple structure, convenient use, quick operation and the like, and the fixation device is used for effectively fixing the fracture wound part after the primary evaluation of the wound site, thereby effectively preventing the secondary injury of fracture.

Description

Wound fracture fixing device with improved patient fixing effect

Technical Field

The invention belongs to the technical field of medical auxiliary instruments, and particularly relates to a wound fracture fixing device with an improved patient fixing effect.

Background

The rapid development in the fields of modern industry, building, traffic and the like ensures that high-energy injuries are cured, various emergency injuries rise rapidly along with the rapid development, the modes of back, pulling, dragging, lifting and carrying are generally adopted when field first aid is implemented in the past, and the injuries are more serious due to the lack of equipment or reasonable rescue, so that the secondary injury of fracture parts is caused. At present, a traditional fracture fixation method is mostly adopted, a patient with rib fracture is fixed by a rib fixation band, a patient with lumbar fracture is fixed by a waistline, a patient with limb fracture (or called as a wounded person) is fixed by a limb splint, a liner and a bandage, the limb end is exposed, then the patient is transported to a hard stretcher for transportation by a correct method, the patient with chest and lumbar fracture needs three persons to complete transportation, the three persons respectively support the shoulder back, the waist and the hip and the two lower limbs on the right side of the patient, and the patient is transported to or taken off the hard stretcher by unified command.

When a patient is subjected to high-energy violent injury, serious bleeding and complex complications are often caused, and in some special occasions such as major traffic accidents and the like, equipment is lacked in on-site first aid, hemostasis and carrying are difficult, and the probability of secondary injury is greatly increased. Therefore, there is an urgent need for a simple, effective and standardized external fixation device and apparatus that can be widely applied to traumatic fractures of limbs, spine, pelvis, etc., and the affected limb can be effectively braked to avoid collateral injury, so that the patient can be safely and effectively treated in the pre-hospital emergency treatment site and in the hospital. In addition, above-mentioned device is in the use, easy and simple to handle rapidly, noninvasive, effective, and user of service need not through special training, can resume neck, lumbar vertebrae, pelvic ring stability fast, reduces the abnormal activity of fracture broken ends, reaches the effect that the important vascular injury of control fracture is bled to be favorable to patient's safe transportation and antishock treatment, improve the success rate of salvage.

Disclosure of Invention

The invention aims to develop an auxiliary device for pre-hospital first aid and in-hospital treatment of traumatic fracture, which is suitable for effectively fixing a fracture part in the process of trauma fracture first aid, reducing the moving times and causing secondary damage to blood vessels, nerves and periosteum after injury, avoiding catastrophic complications and reducing the fear of fracture patients.

The above purpose is realized by the following technical scheme:

a wound fracture fixation device with improved patient fixation, characterized in that:

the fixing device comprises an outer frame and an inner frame, wherein the outer frame and the inner frame are both rectangular, and the long side directions of the rectangular outer frame and the rectangular inner frame are called as side parts, and the short side directions of the rectangular outer frame and the rectangular inner frame are called as end parts; the end part of the outer frame is provided with a beam and a handle which extends outwards and exceeds the beam; the end part of the inner frame is assembled and connected on a cross beam at the end part of the outer frame at a corresponding position, and a gap is reserved between the side part of the inner frame and the side part of the outer frame; the inner frame is provided with a bearing surface, the bearing surface is arranged in the inner frame, the bearing surface is rectangular, the edge of the bearing surface is matched with the contour of the inner frame, and the edge of the bearing surface is fixedly connected to the inner frame;

the fixing device is provided with a clamping device which is arranged above the bearing surface and is used for clamping and fixing the fracture part of the patient arranged on the bearing surface;

the fixing device is provided with at least one group of clamping devices, and the clamping devices are used for clamping and fixing one or more of fracture wounds including but not limited to limbs, spines and pelvis parts;

the clamping device is assembled on the end part of the inner frame, the end part of the outer frame or the bearing surface through a connecting piece.

The connecting piece comprises any one of a supporting frame, a supporting rod piece and a supporting plate piece, and any one of welding, riveting, clamping connection, bolt connection and hinging modes is adopted between the connecting piece and the end part of the inner frame or the end part of the outer frame or the bearing surface; when the clamping device is assembled on the bearing surface, the connecting piece for assembling and connecting the clamping device and the bearing surface is a sewing connecting line.

The clamping device is used for clamping and fixing the fracture wound of the lower limb of the patient.

The clamping device comprises a clamping plate, a rotating rod, a distance adjusting part and a buckle; the splint is a pair of strip arc hard plates with opposite cambered surfaces, and the splint can be buckled at the fracture part of a patient to form the clamping of the fracture part; the rotating rod is a long-strip-shaped rod-shaped component, the rotating rod is provided with two rotating rods which are respectively arranged at the middle positions of the outer sides of the pair of clamping plates, and the rotating rods are fixedly connected with the clamping plates;

the distance adjusting part comprises a sliding rod, a supporting rod and a pull rod; the sliding rod is fixedly connected with a connecting piece, and the connecting piece is used for assembling and connecting the clamping device and the end part of the outer frame; one end of the sliding rod, which is close to the clamping plate, is hinged with one end of the supporting rod, the number of the supporting rods is two, and the other end of the supporting rod is hinged with the rotating rod; a sliding block and a rack are arranged at one end of the sliding rod, which is far away from the clamping plate, the sliding block can freely slide on the sliding rod, the rack is arranged on the sliding rod, and a locking button is arranged between the sliding block and the rack;

the fastener is provided with one end of the clamping plate far away from the distance adjusting part and is used for limiting the gap between the two arc-shaped hard plates at one end of the clamping plate far away from the distance adjusting part.

The connecting piece comprises a pillar and a sleeve, the sleeve is sleeved on the cross beam at the end part of the outer frame, and the sleeve can freely slide along the axial direction of the cross beam and rotate around the cross beam; one end of the strut is fixedly connected to the sleeve, and the other end of the strut is fixedly connected with the sliding rod of the distance adjusting part.

The two groups of clamping devices are arranged on the cross beam at the end part of the outer frame in parallel.

The splint is provided with an air cushion which is arranged on the inner side wall of the splint and is divided into a plurality of pad areas along the splint, each pad area comprises a first pad area, a second pad area, a third pad area and a fourth pad area, the first pad area corresponds to the thigh of the lower limb of the patient, the second pad area corresponds to the knee of the lower limb of the patient, the third pad area corresponds to the calf of the lower limb of the patient, and the fourth pad area corresponds to the ankle of the lower limb of the patient; the air cushion comprises an air bag and an inner plate, the air bag is in a strip shape and is horizontally arranged along the length direction of the splint, and a plurality of rows of air bags are arranged along the width direction of the splint; the inner plate is strip-shaped and is arranged at the top of the protruding part of the air bag, the inner plate is made of a hard plate, and the surface of the hard plate inner plate is provided with a soft cushion layer;

the air cushions in the cushion areas are independent from each other, and the air cushion in each cushion area is provided with an independent air hole; the air bags of the air cushions in each cushion area are communicated with each other.

The air bags in the cushion area are arranged in an alignment mode or a staggered mode.

The rotating rod is of a multi-section structure and comprises a first rod section, a second rod section and a third rod section, wherein the first rod section corresponds to the thigh of the lower limb of the patient, the second rod section corresponds to the shank of the lower limb of the patient, and the third rod section is connected with the distance adjusting part;

a first rotating shaft is arranged between the first rod section and the second rod section, and the first rotating shaft corresponds to the knee joint;

a second rotating shaft is arranged between the second rod section and the third rod section and corresponds to the ankle joint;

the first rotating shaft and the second rotating shaft are respectively provided with a lock sleeve, and the lock sleeves are used for limiting the first rotating shaft and the second rotating shaft to rotate;

the lock sleeve is arranged on the rotating rod, the rotating rod is provided with a clamping groove, the lock sleeve is provided with a clamping strip matched with the clamping groove, and the lock sleeve is assembled and connected with the rotating rod through the clamping strip and the clamping groove.

Its length of lock sleeve is greater than the length of first pivot and second pivot, and the draw-in groove on the bull stick of first pivot, second pivot both sides is equallyd divide and is alignd respectively to in the draw-in groove of the bull stick of first pivot or second pivot both sides is slided into simultaneously to the card strip of lock sleeve.

The fixing device is provided with at least two isolating nets, the isolating nets are used for establishing an isolating area on the fixing device, each isolating net is provided with a transparent shielding film, each isolating net comprises a side net and a middle net, the side nets are arranged at the end parts of the outer frame, the middle nets are arranged at the middle positions of the outer frame, and a side wall is arranged between every two adjacent isolating nets;

the side wall is provided with a folding structure, and the side wall and the isolation curtain and the side wall and the side part of the outer frame are assembled and connected in any one mode including but not limited to a zipper, a magic tape and a non-setting adhesive; the side wall is provided with a transparent shielding film;

the middle tent comprises an outer ring and an inner ring, the outer ring is made of hard materials, and two ends of the outer ring are respectively assembled on the side part of the outer frame through sliding rings; the inner ring is made of elastic material with contractibility, and has the function of being contracted into a round or oval shape; an isolating membrane is arranged between the outer ring and the inner ring, and the isolating membrane is a flexible transparent shielding film.

The side net and/or the middle net and/or the side wall are/is provided with a skirt which is arranged at the lower edge of the side net, the middle net and the side wall, and the width of the skirt is larger than the gap between the side part of the inner frame and the side part of the outer frame.

The inner ring is provided with a spring rod, the spring rod comprises a loop bar and a spring, the loop bar is made of flexible materials, and the spring is assembled in the loop bar; one end of the spring rod is fixedly connected with the outer ring, the other end of the spring rod is fixedly connected with the inner ring, and the sleeve rod is fixedly connected with the isolating membrane;

the inner ring is provided with a plurality of spring rods which are uniformly distributed on the middle net in a fan shape; the spring rods which are positioned at the two sides of the isolating membrane and are connected with the two ends of the inner ring and the outer ring are spring end rods.

The spring end rod is provided with a lower pressing rod, the lower pressing rod is a spring, one end of the lower pressing rod is fixed at the position, far away from the slip ring, of the outer ring, the other end of the lower pressing rod is fixed at the position, close to the end portion of the inner ring, of the spring end rod, and the lower pressing rod is used for enabling one end, close to the end portion of the inner ring, of the spring end rod to be downward close to the.

The invention has the beneficial effects that: the invention has the characteristics of simple structure, convenient use, quick operation and the like, can greatly reduce iatrogenic injury, shorten emergency time and reduce shock mortality, and can effectively fix the fracture wound part by using the fixing device immediately after primary evaluation on the injury site, thereby effectively preventing secondary injury of fracture, facilitating subsequent conservative treatment or repair reconstruction operation, obviously reducing the fatality rate and the incidence rate of early complications, improving the cognition of patients on fracture, reducing pain stimulation, reducing the fear of fracture, reducing the dependence on analgesic, and improving the quality of life prognosis. The fixator is easy to operate and master, and good clinical and social cost benefits are provided for rehabilitation.

Drawings

The attached drawings are as follows:

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural view of the first embodiment of the present invention after installation of a distance adjusting part and the like;

FIG. 3 is a schematic structural view of a distance adjusting part according to a second embodiment of the present invention;

FIG. 4 is a schematic structural view of a double clamping device assembled in a second embodiment of the present invention;

FIG. 5 is a schematic view of a second embodiment of the present invention showing the configuration of the air cushion (I) alignment bladder;

FIG. 6 is a schematic view of a second embodiment of the air cushion (II) dislocation balloon of the present invention;

FIG. 7 is a schematic structural view of a first rotating lever state in a third embodiment of the present invention;

FIG. 8 is a schematic structural view showing a second state of the turning lever according to the third embodiment of the present invention;

FIG. 9 is a schematic structural view showing a state (III) of a rotating lever in the third embodiment of the present invention;

fig. 10 is a schematic structural view of the third embodiment of the present invention in which the turn lever is assembled with the lock sleeve, the left side of the view shows the state in which the lock sleeve is opened, and the right side shows the state in which the lock sleeve is locked, and the detailed structure of the lever and the spring is not shown;

FIG. 11 is a schematic view of the structure of the status of the isolation tent (I) in the fourth embodiment of the present invention;

FIG. 12 is a schematic view of the structure of the isolation tent state (two) in the fourth embodiment of the present invention;

fig. 13 is a schematic structural view of the isolation tent and the side wall in the fourth embodiment of the invention.

In the figure, the position of the upper end of the main shaft,

1 frame 11 frame side 12 frame end 13 beam 14 handle

2 inner frame 21, inner frame side part 22 and inner frame end part 23 bearing surface

3 clamping device 31 connecting piece 32 support 33 sleeve 34 clamping plate 35 fastener

4-rotating rod 41, first rod section 42, second rod section 43, third rod section 44, first rotating shaft 45, second rotating shaft 46, locking sleeve 47, clamping groove 48 and clamping strip

5-distance adjusting part 51, slide rod 52, strut 53, pull rod 54, slide block 55, rack 56 and locking button

6 air cushion 61 first cushion area 62 second cushion area 63 third cushion area 64 fourth cushion area 65 air bag 66 inner plate

7 isolation tent 71 isolation area 72 side tent 73 side wall

8 middle tent 81, outer ring 82, inner ring 83, slip ring 84 isolating membrane

9 spring rod 91 spring end rod 92 push down rod.

Detailed Description

The first embodiment:

as shown in fig. 1-2, the wound fracture fixation device with improved patient fixation effect of the present embodiment is characterized in that:

the fixing device comprises an outer frame and an inner frame, wherein the outer frame and the inner frame are both rectangular, and the long side directions of the rectangular outer frame and the rectangular inner frame are called as side parts, and the short side directions of the rectangular outer frame and the rectangular inner frame are called as end parts; the end part of the outer frame is provided with a beam and a handle which extends outwards and exceeds the beam; the end part of the inner frame is assembled and connected on a cross beam at the end part of the outer frame at a corresponding position, and a gap is reserved between the side part of the inner frame and the side part of the outer frame; the inner frame is provided with a bearing surface, the bearing surface is arranged in the inner frame, the bearing surface is rectangular, the edge of the bearing surface is matched with the contour of the inner frame, and the edge of the bearing surface is fixedly connected to the inner frame; the inner frame and the bearing surface are used for bearing main parts and direct contact parts of a patient, and the outer frame is used for providing a support frame for the inner frame and providing a support platform for other devices such as a clamping device and an isolation tent. Furthermore, the outer frame can be additionally provided with long or short feet, casters, support legs and other structures, so that the fixing device can be lifted to a certain height from the ground.

The fixing device is provided with a clamping device which is arranged above the bearing surface and is used for clamping and fixing the fracture part of the patient arranged on the bearing surface; the clamping device is arranged above the bearing surface, which means that the clamping device is arranged on the upper part of the bearing surface, a gap is possibly formed between the clamping device and the bearing surface, the clamping device is in a suspended state, and the clamping device can be fixed on the bearing surface directly or through an extending part.

The fixing device is provided with at least one group of clamping devices, and the clamping devices are used for clamping and fixing one or more of fracture wounds including but not limited to limbs, spines and pelvis parts; the clamping device is assembled on the end part of the inner frame, the end part of the outer frame or the bearing surface through a connecting piece. Conventionally, a patient generally has one fracture wound, and a plurality of fractures occur at the same time, so that a group of clamping devices are generally assembled on the fixing device to fix a corresponding fracture part; when a plurality of fractures occur, a plurality of corresponding clamping devices can be respectively assembled according to different fracture parts so as to fix a plurality of fracture parts at the same time. In addition, the clamping devices used for the trauma of different fracture parts are different from each other, such as the fracture of the pelvis, the clamping device used for the trauma of different fracture parts and the clamping device used for the fracture of limbs, particularly the lower limb, have different structures, and the differences are obvious particularly in the aspects of dimension specification, outline and the like. However, for the invention, the working principle of the clamping device is the same, the clamping device is a hard outer plate inner wall with a profile modeling outline, an air inflation cushion layer is arranged, after the hard outer plate is buckled on the fracture part and is adjusted to a certain position, the tightness between the fracture part and the clamping device is further adjusted through the air inflation degree of the air inflation cushion layer, so that the fracture part in the irregular shape is flexibly fixed, the fixing effect is better, and the influence of external fixation on the organism function of a patient is further reduced. Based on the above principle, in the following explanation, the specific structure of the clamping device and its associated components will be described in detail only by way of example of fixation to a fracture wound of the extremity, particularly the lower limb, and reference may be made to the implementation of clamping devices suitable for other fracture sites.

The connecting piece comprises any one of a supporting frame, a supporting rod piece and a supporting plate piece, and any one of welding, riveting, clamping connection, bolt connection and hinging modes is adopted between the connecting piece and the end part of the inner frame or the end part of the outer frame or the bearing surface; when the clamping device is assembled on the bearing surface, the connecting piece for assembling and connecting the clamping device and the bearing surface is a sewing connecting line. As can be seen from the above description, the upper general concept of the connecting member generally refers to the conventional components capable of realizing the assembling connection between the clamping device and the end portion of the inner frame, or the end portion of the outer frame, or the bearing surface, and any known prior art can be adopted, and will not be described herein again.

The second embodiment:

as shown in fig. 3-6, on the basis of the above embodiments, the clamping device of the present embodiment is used for clamping and fixing the fracture wound of the lower limb of the patient.

The clamping device comprises a clamping plate, a rotating rod, a distance adjusting part and a buckle; the splint is a pair of strip arc hard plates with opposite cambered surfaces, and the splint can be buckled at the fracture part of a patient to form the clamping of the fracture part; the rotating rod is a long-strip-shaped rod-shaped component, the rotating rod is provided with two rotating rods which are respectively arranged at the middle positions of the outer sides of the pair of clamping plates, and the rotating rods are fixedly connected with the clamping plates;

the distance adjusting part comprises a sliding rod, a supporting rod and a pull rod; the sliding rod is fixedly connected with a connecting piece, and the connecting piece is used for assembling and connecting the clamping device and the end part of the outer frame; one end of the sliding rod, which is close to the clamping plate, is hinged with one end of the supporting rod, the number of the supporting rods is two, and the other end of the supporting rod is hinged with the rotating rod; a sliding block and a rack are arranged at one end of the sliding rod, which is far away from the clamping plate, the sliding block can freely slide on the sliding rod, the rack is arranged on the sliding rod, and a locking button is arranged between the sliding block and the rack; the locking button can be any known prior art, such as a pawl in a ratchet structure, or a button with a spring according to the same principle, and will not be described in detail.

The fastener is provided with one end of the clamping plate far away from the distance adjusting part and is used for limiting the gap between the two arc-shaped hard plates at one end of the clamping plate far away from the distance adjusting part. The buckle can adopt any prior known public technology, and the function of the buckle is realized by limiting the gap between a pair of splints after the buckle is locked, so that the splints can not be separated from the fracture part of the patient; when the buckle is opened, the gap between the clamping plates can be adjusted, and the two clamping plates are opened to disassemble or assemble the clamping device. The buckle can be directly realized by the prior art, and the details are not repeated herein.

The connecting piece comprises a pillar and a sleeve, the sleeve is sleeved on the cross beam at the end part of the outer frame, and the sleeve can freely slide along the axial direction of the cross beam and rotate around the cross beam; one end of the strut is fixedly connected to the sleeve, and the other end of the strut is fixedly connected with the sliding rod of the distance adjusting part.

As shown in fig. 4, the two groups of clamping devices are arranged on the cross beam at the end part of the outer frame in parallel and are used for fixing the fracture condition of the lower limbs at the same time.

As shown in fig. 5 and 6, the splint is provided with an air cushion, the air cushion is arranged on the inner side wall of the splint, the air cushion is divided into a plurality of cushion areas along the splint, the cushion areas include a first cushion area, a second cushion area, a third cushion area and a fourth cushion area, the first cushion area corresponds to the thigh of the lower limb of the patient, the second cushion area corresponds to the knee of the lower limb of the patient, the third cushion area corresponds to the calf of the lower limb of the patient, and the fourth cushion area corresponds to the ankle of the lower limb of the patient; the air cushion comprises an air bag and an inner plate, the air bag is in a strip shape and is horizontally arranged along the length direction of the splint, and a plurality of rows of air bags are arranged along the width direction of the splint; the inner plate is strip-shaped and is arranged at the top of the protruding part of the air bag, the inner plate is made of a hard plate, and the surface of the hard plate inner plate is provided with a soft cushion layer;

the air cushions in the cushion areas are independent from each other, and the air cushion in each cushion area is provided with an independent air hole; the air bags of the air cushions in each cushion area are communicated with each other.

The different pad areas correspond to different body positions of a patient, the clamping plate is used for limiting the basic position of the clamping device, the hard inner plate and the soft cushion layer are used for directly contacting the body surface of the patient, so that mechanical damage to the body surface can not be caused, the hard inner plate can clamp the fracture part more directly, and the flexible air bag is prevented from misplacing and pressing the fracture part or unreasonably extruding the fracture part; the air bag flexibly adjusts the distance between the hard inner plate and the splint, and the inner plate is more attached to the fracture part of the patient through the characteristics of the air bag.

In addition, the air cushion on the splint is divided into a plurality of cushion areas, and the adjustment of each cushion area air bag is independent, so that the tightness of the fracture part, particularly the fracture part of the lower limb, can be adjusted more reasonably, the fracture part can be effectively fixed, and different parts of the lower limb are compressed in different degrees by adjusting different cushion areas, so as to prevent other body symptoms from appearing.

The air bags in the cushion area are arranged in an alignment mode or a staggered mode.

Third embodiment:

as shown in fig. 7-10, on the basis of the above embodiments, the rotating rod of this embodiment has a multi-section structure, and the rotating rod includes a first rod section, a second rod section and a third rod section, the first rod section corresponds to the thigh of the lower limb of the patient, the second rod section corresponds to the shank of the lower limb of the patient, and the third rod section is connected to the distance adjusting section;

a first rotating shaft is arranged between the first rod section and the second rod section, and the first rotating shaft corresponds to the knee joint;

a second rotating shaft is arranged between the second rod section and the third rod section and corresponds to the ankle joint;

the first rotating shaft and the second rotating shaft are respectively provided with a lock sleeve, and the lock sleeves are used for limiting the first rotating shaft and the second rotating shaft to rotate;

the lock sleeve is arranged on the rotating rod, the rotating rod is provided with a clamping groove, the lock sleeve is provided with a clamping strip matched with the clamping groove, and the lock sleeve is assembled and connected with the rotating rod through the clamping strip and the clamping groove.

Its length of lock sleeve is greater than the length of first pivot and second pivot, and the draw-in groove on the bull stick of first pivot, second pivot both sides is equallyd divide and is alignd respectively to in the draw-in groove of the bull stick of first pivot or second pivot both sides is slided into simultaneously to the card strip of lock sleeve.

When the device is used, the states of the two rotating shafts can be flexibly set and adjusted, as shown in fig. 7-9, the second rotating shaft can be opened, the first rotating shaft can be locked, and the whole lower limb of a patient can rotate around the hip and be lifted; or as shown in fig. 8 and 9, the corresponding rotating shaft state is controlled, so that different lifting effects on the lower limbs are realized.

The fourth embodiment:

as shown in fig. 11-13, on the basis of the above embodiments, the fixing device of this embodiment is provided with at least two isolation curtains, the isolation curtains are used for establishing an isolation area on the fixing device, the isolation curtains have transparent shielding films, the isolation curtains include side curtains and middle curtains, the side curtains are arranged at the end portions of the outer frame, the middle curtains are arranged at the middle position of the outer frame, and a side wall is arranged between two adjacent isolation curtains;

the side wall is provided with a folding structure, and the side wall and the isolation curtain and the side wall and the side part of the outer frame are assembled and connected in any one mode including but not limited to a zipper, a magic tape and a non-setting adhesive; the side wall is provided with a transparent shielding film;

the middle tent comprises an outer ring and an inner ring, the outer ring is made of hard materials, and two ends of the outer ring are respectively assembled on the side part of the outer frame through sliding rings; the inner ring is made of elastic material with contractibility, and has the function of being contracted into a round or oval shape; an isolating membrane is arranged between the outer ring and the inner ring, and the isolating membrane is a flexible transparent shielding film.

The side net and/or the middle net and/or the side wall are/is provided with a skirt which is arranged at the lower edge of the side net, the middle net and the side wall, and the width of the skirt is larger than the gap between the side part of the inner frame and the side part of the outer frame. The skirt is preferably made of a flexible material having a thickness and is oriented towards the patient to provide effective isolation of the patient or a particular part of the patient from the environment.

The inner ring is provided with a spring rod, the spring rod comprises a loop bar and a spring, the loop bar is made of flexible materials, and the spring is assembled in the loop bar; one end of the spring rod is fixedly connected with the outer ring, the other end of the spring rod is fixedly connected with the inner ring, and the sleeve rod is fixedly connected with the isolating membrane;

the inner ring is provided with a plurality of spring rods which are uniformly distributed on the middle net in a fan shape; the spring rods which are positioned at the two sides of the isolating membrane and are connected with the two ends of the inner ring and the outer ring are spring end rods.

The spring end rod is provided with a lower pressing rod, the lower pressing rod is a spring, one end of the lower pressing rod is fixed at the position, far away from the slip ring, of the outer ring, the other end of the lower pressing rod is fixed at the position, close to the end portion of the inner ring, of the spring end rod, and the lower pressing rod is used for enabling one end, close to the end portion of the inner ring, of the spring end rod to be downward close to the.

Claims (10)

1. A wound fracture fixation device with improved patient fixation, characterized in that:

the fixing device comprises an outer frame and an inner frame, wherein the outer frame and the inner frame are both rectangular, and the long side directions of the rectangular outer frame and the rectangular inner frame are called as side parts, and the short side directions of the rectangular outer frame and the rectangular inner frame are called as end parts; the end part of the outer frame is provided with a beam and a handle which extends outwards and exceeds the beam; the end part of the inner frame is assembled and connected on a cross beam at the end part of the outer frame at a corresponding position, and a gap is reserved between the side part of the inner frame and the side part of the outer frame; the inner frame is provided with a bearing surface, the bearing surface is arranged in the inner frame, the bearing surface is rectangular, the edge of the bearing surface is matched with the contour of the inner frame, and the edge of the bearing surface is fixedly connected to the inner frame;

the fixing device is provided with a clamping device which is arranged above the bearing surface and is used for clamping and fixing the fracture part of the patient arranged on the bearing surface;

the fixing device is provided with at least one group of clamping devices, and the clamping devices are used for clamping and fixing one or more of fracture wounds including but not limited to limbs, spines and pelvis parts;

the clamping device is assembled on the end part of the inner frame, the end part of the outer frame or the bearing surface through a connecting piece.

2. A wound fracture fixation device with improved patient fixation as claimed in claim 1, wherein:

the connecting piece comprises any one of a supporting frame, a supporting rod piece and a supporting plate piece, and any one of welding, riveting, clamping connection, bolt connection and hinging modes is adopted between the connecting piece and the end part of the inner frame or the end part of the outer frame or the bearing surface; when the clamping device is assembled on the bearing surface, the connecting piece for assembling and connecting the clamping device and the bearing surface is a sewing connecting line.

3. A wound fracture fixation device with improved patient fixation as claimed in claim 2, wherein:

the clamping device is used for clamping and fixing the fracture wound of the lower limb of the patient;

the clamping device comprises a clamping plate, a rotating rod, a distance adjusting part and a buckle; the splint is a pair of strip arc hard plates with opposite cambered surfaces, and the splint can be buckled at the fracture part of a patient to form the clamping of the fracture part; the rotating rod is a long-strip-shaped rod-shaped component, the rotating rod is provided with two rotating rods which are respectively arranged at the middle positions of the outer sides of the pair of clamping plates, and the rotating rods are fixedly connected with the clamping plates;

the distance adjusting part comprises a sliding rod, a supporting rod and a pull rod; the sliding rod is fixedly connected with a connecting piece, and the connecting piece is used for assembling and connecting the clamping device and the end part of the outer frame; one end of the sliding rod, which is close to the clamping plate, is hinged with one end of the supporting rod, the number of the supporting rods is two, and the other end of the supporting rod is hinged with the rotating rod; a sliding block and a rack are arranged at one end of the sliding rod, which is far away from the clamping plate, the sliding block can freely slide on the sliding rod, the rack is arranged on the sliding rod, and a locking button is arranged between the sliding block and the rack;

the fastener is provided with one end of the clamping plate far away from the distance adjusting part and is used for limiting the gap between the two arc-shaped hard plates at one end of the clamping plate far away from the distance adjusting part.

4. A wound fracture fixation device with improved patient fixation as claimed in claim 2, wherein:

the connecting piece comprises a pillar and a sleeve, the sleeve is sleeved on the cross beam at the end part of the outer frame, and the sleeve can freely slide along the axial direction of the cross beam and rotate around the cross beam; one end of the strut is fixedly connected to the sleeve, and the other end of the strut is fixedly connected with the sliding rod of the distance adjusting part.

5. A wound fracture fixation device with improved patient fixation as claimed in claim 3, wherein:

the splint is provided with an air cushion which is arranged on the inner side wall of the splint and is divided into a plurality of pad areas along the splint, each pad area comprises a first pad area, a second pad area, a third pad area and a fourth pad area, the first pad area corresponds to the thigh of the lower limb of the patient, the second pad area corresponds to the knee of the lower limb of the patient, the third pad area corresponds to the calf of the lower limb of the patient, and the fourth pad area corresponds to the ankle of the lower limb of the patient; the air cushion comprises an air bag and an inner plate, the air bag is in a strip shape and is horizontally arranged along the length direction of the splint, and a plurality of rows of air bags are arranged along the width direction of the splint; the inner plate is strip-shaped and is arranged at the top of the protruding part of the air bag, the inner plate is made of a hard plate, and the surface of the hard plate inner plate is provided with a soft cushion layer;

the air cushions in the cushion areas are independent from each other, and the air cushion in each cushion area is provided with an independent air hole; the air bags of the air cushions in each cushion area are communicated with each other.

6. A wound fracture fixation device with improved patient fixation as claimed in claim 3 or 5, wherein:

the rotating rod is of a multi-section structure and comprises a first rod section, a second rod section and a third rod section, wherein the first rod section corresponds to the thigh of the lower limb of the patient, the second rod section corresponds to the shank of the lower limb of the patient, and the third rod section is connected with the distance adjusting part;

a first rotating shaft is arranged between the first rod section and the second rod section, and the first rotating shaft corresponds to the knee joint;

a second rotating shaft is arranged between the second rod section and the third rod section and corresponds to the ankle joint;

the first rotating shaft and the second rotating shaft are respectively provided with a lock sleeve, and the lock sleeves are used for limiting the first rotating shaft and the second rotating shaft to rotate;

the lock sleeve is arranged on the rotating rod, the rotating rod is provided with a clamping groove, the lock sleeve is provided with a clamping strip matched with the clamping groove, and the lock sleeve and the rotating rod are assembled and connected through the clamping strip and the clamping groove;

its length of lock sleeve is greater than the length of first pivot and second pivot, and the draw-in groove on the bull stick of first pivot, second pivot both sides is equallyd divide and is alignd respectively to in the draw-in groove of the bull stick of first pivot or second pivot both sides is slided into simultaneously to the card strip of lock sleeve.

7. A wound fracture fixation device with improved patient fixation as claimed in any one of claims 1 to 5, wherein:

the fixing device is provided with at least two isolating nets, the isolating nets are used for establishing an isolating area on the fixing device, each isolating net is provided with a transparent shielding film, each isolating net comprises a side net and a middle net, the side nets are arranged at the end parts of the outer frame, the middle nets are arranged at the middle positions of the outer frame, and a side wall is arranged between every two adjacent isolating nets;

the side wall is provided with a folding structure, and the side wall and the isolation curtain and the side wall and the side part of the outer frame are assembled and connected in any one mode including but not limited to a zipper, a magic tape and a non-setting adhesive; the side wall is provided with a transparent shielding film;

the middle tent comprises an outer ring and an inner ring, the outer ring is made of hard materials, and two ends of the outer ring are respectively assembled on the side part of the outer frame through sliding rings; the inner ring is made of elastic material with contractibility, and has the function of being contracted into a round or oval shape; an isolating membrane is arranged between the outer ring and the inner ring, and the isolating membrane is a flexible transparent shielding film.

8. A wound fracture fixation device with improved patient fixation as claimed in claim 7, wherein:

the side net and/or the middle net and/or the side wall are/is provided with a skirt which is arranged at the lower edge of the side net, the middle net and the side wall, and the width of the skirt is larger than the gap between the side part of the inner frame and the side part of the outer frame.

9. A wound fracture fixation device with improved patient fixation as claimed in claim 8, wherein:

the inner ring is provided with a spring rod, the spring rod comprises a loop bar and a spring, the loop bar is made of flexible materials, and the spring is assembled in the loop bar; one end of the spring rod is fixedly connected with the outer ring, the other end of the spring rod is fixedly connected with the inner ring, and the sleeve rod is fixedly connected with the isolating membrane;

the inner ring is provided with a plurality of spring rods which are uniformly distributed on the middle net in a fan shape; the spring rods which are positioned at the two sides of the isolating membrane and are connected with the two ends of the inner ring and the outer ring are spring end rods.

10. A wound fracture fixation device with improved patient fixation as claimed in claim 9, wherein:

the spring end rod is provided with a lower pressing rod, the lower pressing rod is a spring, one end of the lower pressing rod is fixed at the position, far away from the slip ring, of the outer ring, the other end of the lower pressing rod is fixed at the position, close to the end portion of the inner ring, of the spring end rod, and the lower pressing rod is used for enabling one end, close to the end portion of the inner ring, of the spring end rod to be downward close to the.

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