阅读说明：本技术 带有负压创面治疗功能的骨折外固定高分子夹板 (High-molecular splint with negative pressure wound surface treatment function for external fixation of fracture ) 是由 陶胜刚 刘勇 杨勇 于 2021-08-12 设计创作，主要内容包括：本发明提供一种带有负压创面治疗功能的骨折外固定高分子夹板,包括高分子夹板,高分子夹板设有第一开口和第二开口,高分子夹板一侧设有引流板,引流板和高分子夹板之间设有背膜,引流板远离背膜的一侧设有生物海绵,生物海绵用于与创面接触；引流板设有第一沉孔和第二沉孔,第一沉孔与第一开口连通,第二沉孔与第二开口连通,引流板靠近背膜的一侧还设有引流沉槽,第一沉孔和第二沉孔通过引流沉槽连通,引流沉槽两侧设有多个毛细贯穿槽以使引流沉槽与生物海绵连通；解决了同时存在骨折和开创面的位置的负压治疗问题。(The invention provides a high-molecular splint for external fixation of fracture with a negative pressure wound treatment function, which comprises a high-molecular splint, wherein the high-molecular splint is provided with a first opening and a second opening; the drainage plate is provided with a first counter bore and a second counter bore, the first counter bore is communicated with the first opening, the second counter bore is communicated with the second opening, one side of the drainage plate, which is close to the back membrane, is also provided with a drainage sink groove, the first counter bore and the second counter bore are communicated through the drainage sink groove, and two sides of the drainage sink groove are provided with a plurality of capillary penetrating grooves so that the drainage sink groove is communicated with the biological sponge; solves the problem of negative pressure treatment of the positions of fracture and wound opening at the same time.)

1. The utility model provides a fracture external fixation polymer splint with negative pressure surface of a wound treatment function, characterized by: including polymer splint (1), polymer splint (1) are equipped with first opening (7) and second opening (8), and polymer splint (1) one side is equipped with drainage plate (5), is equipped with notacoria (2) between drainage plate (5) and polymer splint (1), and one side that notacoria (2) were kept away from in drainage plate (5) is equipped with biological sponge (6), and biological sponge (6) are used for contacting with surface of a wound (9).

2. The external fixation high molecular splint for fracture with negative pressure wound treatment function according to claim 1, which is characterized in that: drainage plate (5) are equipped with first counter bore (501) and second counter bore (502), first counter bore (501) and first opening (7) intercommunication, second counter bore (502) and second opening (8) intercommunication, one side that drainage plate (5) are close to notacoria (2) still is equipped with drainage heavy groove (503), first counter bore (501) and second counter bore (502) are through drainage heavy groove (503) intercommunication, drainage heavy groove (503) both sides are equipped with a plurality of capillaries and run through groove (504) so that drainage heavy groove (503) and biological sponge (6) intercommunication.

3. The external fixation high molecular splint for fracture with negative pressure wound treatment function according to claim 2, which is characterized in that: a cut-off through hole (505) is formed in the communication position of the drainage sinking groove (503) and the second counter bore (502), a rotatable control valve (11) is arranged in the cut-off through hole (505), a communication groove (1101) is formed in the control valve (11), the drainage sinking groove (503) is communicated with the second counter bore (502) through the communication groove (1101), and the pressure state between the first opening (7) and the second opening (8) is changed by rotating the control valve (11).

4. The external fixation high molecular splint for fracture with negative pressure wound treatment function according to claim 3, which is characterized in that: the number of the drainage sinking grooves (503) is at least two, the two drainage sinking grooves (503) are respectively arranged on two sides of the second counter bore (502), the drainage plate (5) is provided with a plurality of sub-areas (506), the communication groove (1101) is at least provided with three communication ports, and the pressure state of each sub-area (506) is changed by rotating the control valve (11).

5. The external fixation high molecular splint for fracture with negative pressure wound treatment function according to claim 4, which is characterized in that: the upper end of the control valve (11) is provided with a circular wall (1102), the circular wall (1102) and the control valve (11) are made of light-transmitting materials, the upper end of the circular wall (1102) is provided with an illuminating ring (12), and the biological sponge (6) is provided with a transparent part (601) close to the lower end of the control valve (11).

6. The external fixation high molecular splint for fracture with negative pressure wound treatment function according to claim 4, which is characterized in that: the control valve (11) is provided with an indicating mark (1103), and the side surface of the polymer splint (1) is provided with a plurality of gear marks (102).

7. The external fixation high molecular splint for fracture with negative pressure wound treatment function according to claim 1, which is characterized in that: the outer edge of the drainage plate (5) is provided with a sealing ring (4), and the sealing ring (4) is connected with the back membrane (2).

8. The external fixation high molecular splint for fracture with negative pressure wound treatment function according to claim 1, which is characterized in that: the side surface of the macromolecule splint (1) is provided with a viscose ring (3) near the outer edge, and the viscose ring (3) is used for bonding the skin.

9. The external fixation polymeric splint for bone fracture with negative pressure wound healing function according to claim 8, wherein: the viscose ring (3) is provided with a plurality of ventilation grooves (301), and the ventilation grooves (301) are used for ventilating the skin at the bonding position.

Technical Field

The invention relates to the field of auxiliary medical instruments, in particular to a high-molecular splint for external fixation of fracture with a negative pressure wound treatment function.

Background

The method of fracture external fixation at present mainly is gypsum splint and the polymer splint that have recently risen, when having the treatment of wound fracture, the wound often is in the below of splint cover, need take off the splint when needs clear up and change dressings to the wound, can seem very inconvenient, sometimes medical personnel also can open an opening in the position that splint surface corresponds the wound and be used for wound clearance and change dressings, but need the medical personnel to open the wound operation repeatedly like this, when having increaseed work load, also increased the risk that the wound is infected, be unfavorable for the healing of wound.

The negative pressure wound treatment technology is firstly proposed by two American doctors, namely Chariker and Jeter in 1985, and with the gradual maturity of the technology, researches in recent years prove that the therapy can accelerate the blood circulation of a wound part, remarkably promote new blood vessels to enter the wound, stimulate the growth of granulation tissues, fully drain, relieve edema, reduce pollution, inhibit the growth of bacteria, directly accelerate the healing of the wound or create conditions for surgical repair. Is a pure physical therapy which is high-efficient, simple and economical and can promote the healing of the wound surface.

However, the current clinical negative pressure wound treatment technology is still in the beginning stage, the operation is complicated, and particularly, when complicated conditions of fracture and initiation exist, the negative pressure wound treatment and an external fixing flat plate cannot be used simultaneously, so that the postoperative wound healing is not facilitated.

The prior art refers to a structure recorded in a CN 204840628U negative pressure wound surface treatment device, the structure cannot be used for fixing a fracture position, and drainage cannot be carried out due to the fact that only one suction port is arranged and no air inlet is arranged.

Disclosure of Invention

The invention provides a high-molecular splint for external fixation of fracture with a negative pressure wound treatment function, which solves the problem of negative pressure treatment of fracture and wound opening positions.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a fracture external fixation polymer splint with negative pressure surface of a wound treatment function, includes polymer splint, and polymer splint are equipped with first opening and second opening, and polymer splint one side is equipped with the drainage plate, are equipped with the notacoria between drainage plate and the polymer splint, and one side that the notacoria was kept away from to the drainage plate is equipped with biological sponge, and biological sponge is used for contacting with the surface of a wound.

In the preferred scheme, the drainage plate is equipped with first counter bore and second counter bore, and first counter bore and first opening intercommunication, second counter bore and second opening intercommunication, and one side that the drainage plate is close to the notacoria still is equipped with the heavy groove of drainage, and first counter bore and second counter bore are through the heavy groove intercommunication of drainage, and the heavy groove both sides of drainage are equipped with a plurality of capillaries and are passed through the groove so that the heavy groove of drainage and biological sponge intercommunication.

In the preferred scheme, a cut-off through hole is formed in the communication position of the drainage sinking groove and the second counter bore, a rotatable control valve is arranged in the cut-off through hole, the control valve is provided with a communication groove, the drainage sinking groove is communicated with the second counter bore through the communication groove, and the pressure state between the first opening and the second opening is changed through the rotation control valve.

In the preferred scheme, the number of the drainage sinking grooves is at least two, the two drainage sinking grooves are respectively arranged on two sides of the second counter bore, the drainage plate is provided with a plurality of subareas, the communication grooves are at least provided with three communication ports, and the rotary control valve enables the pressure state of each subarea to be changed.

In the preferred scheme, the upper end of the control valve is provided with a ring wall, the lower ends of the ring wall and the control valve are made of light-transmitting materials, the upper end of the ring wall is provided with an illuminating ring, and the biological sponge is provided with a transparent part close to the lower end of the control valve.

In the preferred scheme, the control valve is provided with an indication mark, and the side surface of the polymer clamping plate is provided with a plurality of gear marks.

In the preferred scheme, the outer edge of the drainage plate is provided with a sealing ring, and the sealing ring is connected with the back membrane.

In the preferred scheme, the side face of the polymer splint, which is close to the outer edge, is provided with the viscose ring, and the viscose ring is used for bonding the skin.

In the preferred scheme, be equipped with a plurality of ventilative grooves on the viscose circle, ventilative groove is used for making the bonding department skin ventilative.

The invention has the beneficial effects that: the high-molecular splint is simple to use, can fix the fracture, is provided with devices facilitating negative pressure suction at the inner side of the high-molecular splint, and does not need to be uncovered for medicine application, cleaning, dressing change and the like of the wound surface, so that secondary wound is prevented; the drainage plate is provided with a back membrane and a sealing ring, and the drainage plate is sealed in all directions to prevent leakage of gas or liquid; the control valve is arranged to change the communication state of each sub-area of the drainage plate with the first opening and the second opening, so that the drainage state, the negative pressure suction state or the closing state of each sub-area can be conveniently switched; the control valve is made of light-transmitting materials, so that the wound recovery state can be observed conveniently, and meanwhile, the lighting ring is arranged to penetrate through the transparent part of the biological sponge along the annular wall of the control valve to illuminate the surface of the wound.

Drawings

The invention is further illustrated by the following figures and examples.

Fig. 1 is an exploded schematic view of the present invention.

Fig. 2 is a schematic backside top view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

FIG. 4 is a schematic view of a flow diverter plate of the present invention.

Fig. 5 is a schematic view of the adhesive ring of the present invention.

Fig. 6 is a simplified schematic of an implementation of the present invention.

Fig. 7 is a schematic view of the control valve of the present invention.

FIG. 8 is a schematic view of the control valve indicator of the present invention.

FIG. 9 is a schematic view of the zoning of the present invention.

Fig. 10 is a schematic view of the control valve of the present invention in a rotated state.

Fig. 11 is a schematic view of the control valve of the present invention in a rotated state.

Fig. 12 is a schematic diagram of the rotational state of the control valve of the present invention.

Fig. 13 is a diagram illustrating the rotation state of the control valve according to the present invention.

Fig. 14 is a diagram of an application implementation of the present invention.

In the figure: a macromolecular splint 1; a seal ring 101; a gear identification 102; a back film 2; a viscose ring 3; a ventilation groove 301; a seal ring 4; a drainage plate 5; a first counterbore 501; a second counterbore 502; a drainage sink 503; a capillary through-channel 504; intercepting the through hole 505; a partition area 506; a biological sponge 6; a transparent portion 601; a first opening 7; a second opening 8; a wound surface 9; a joint 10; a control valve 11; a communication groove 1101; an annular wall 1102; an indicator 1103; an illumination aperture 12.

Detailed Description

As in fig. 1-14, a high polymer splint with negative pressure wound treatment function for external fixation of fracture, including high polymer splint 1, high polymer splint 1 is equipped with first opening 7 and second opening 8, first opening 7 and 8 departments of second opening are connected with and connect 10, first opening 7 and second opening 8 are used for through malleation or negative pressure fluid, high polymer splint 1 one side is equipped with drainage plate 5, be equipped with notacoria 2 between drainage plate 5 and the high polymer splint 1, one side that the notacoria 2 was kept away from to drainage plate 5 is equipped with biological sponge 6, biological sponge 6 is used for contacting with wound 9.

The drainage plate 5 and the polymer splint 1 are isolated by the back membrane 2, external gas is isolated, and the medicine is prevented from permeating into the polymer splint, and one side of the drainage plate 5, which is close to the back membrane 2, is provided with a drainage groove for allowing air and liquid to pass through; according to different parts of the fracture, the polymer splint 1 can be formed by injection molding or 3D printing, and when in use, the side attached with the biological sponge 6 is pasted on the skin, so that the biological sponge 6 covers the wound surface; the connector 10 can be a medical luer connector, so that the connection and the extraction are convenient and rapid, when negative pressure treatment is required to be carried out on a wound surface, the first opening 7 is connected with a negative pressure pump, a negative pressure bottle or other negative pressure pipelines, the second opening 8 is connected with positive pressure or communicated with the outside, and constant negative pressure airflow is generated on the local part of the wound surface to achieve the treatment effect.

In the preferred scheme, the drainage plate 5 is provided with a first counter bore 501 and a second counter bore 502, the first counter bore 501 is communicated with the first opening 7, the second counter bore 502 is communicated with the second opening 8, one side of the drainage plate 5, which is close to the back membrane 2, is also provided with a drainage sink groove 503, the first counter bore 501 is communicated with the second counter bore 502 through the drainage sink groove 503, and two sides of the drainage sink groove 503 are provided with a plurality of capillary through grooves 504 so that the drainage sink groove 503 is communicated with the biological sponge 6.

When the wound needs to be cleaned or treated by medicines, the second opening 8 is connected with the negative pressure pipeline, an injector or other medicine feeding devices are connected with the first opening 7, the medicines circularly flow to the second counter bore 502 through the first counter bore 501 and the drainage sink 503 and permeate into the biological sponge 6 on the back side through the capillary penetration groove 504, and the biological sponge 6 is a porous material and can uniformly adsorb the medicines and make the medicines act on the wound.

In a preferable scheme, a cut-off through hole 505 is arranged at the communication position of the drainage sinking groove 503 and the second counter bore 502, corresponding holes are arranged at parts such as the polymer clamp plate 1, a rotatable control valve 11 is arranged in the cut-off through hole 505 and sealed through a sealing ring 101, the control valve 11 is provided with a communication groove 1101, the drainage sinking groove 503 and the second counter bore 502 are communicated through the communication groove 1101, and the control valve 11 is rotated to change the pressure state between the first opening 7 and the second opening 8; when a wound surface is cleaned and medicine is applied for the first time, the control valve 11 rotates to disconnect the drainage sink groove 503 from the second sink hole 502, and liquid flows from the first sink hole 501 to the second sink hole 502 to form a barrier, at the moment, the wound surface is a new wound, a plurality of cracks 901 exist in tissues, the medicine or cleaning liquid is blocked by the control valve 11 and cannot directly flow through the drainage sink groove 503, and the medicine or cleaning liquid needs to permeate into the biological sponge 6 at the back side through the capillary through groove 504, then flows to the capillary through groove 504 near the second sink hole 502 through the tissue cracks 901, and returns to the second sink hole 502 through the capillary through groove 504, so that deep penetration drainage of the medicine or cleaning liquid is formed, and the utilization rate is improved; with the healing of the tissue cracks of the wound surface, the healing of the tissue cracks reduces the passage of the fluid, at the moment, the rotary control valve 11 communicates the drainage sink 503 with the second counter bore 502, so that the normal drainage passage of the fluid is recovered, and the medicine or the cleaning fluid mainly flows through the drainage sink 503, diffuses towards the biological sponge 6 through the capillary action of the capillary through groove 504 and finally acts on the wound surface 9.

In a preferred scheme, at least two drainage sinking grooves 503 are provided, the two drainage sinking grooves 503 are respectively arranged at two sides of the second counter bore 502, the drainage plate 5 is provided with a plurality of sub-regions 506, the communication groove 1101 is provided with at least three communication ports, and the pressure state of each sub-region 506 is changed by rotating the control valve 11.

There are various pressure states of the sub-regions 506, fig. 9 is a normal drainage state, which is mainly used for cleaning, applying medicine, and carrying away excess tissue exudate in the later stage of healing; FIG. 10 shows a negative pressure suction state, which is mainly used to stimulate the capillary suction tube and accelerate healing; FIG. 11 shows the upper left and right areas in communication and the lower left and right areas in a closed position; FIG. 12 shows the left lower and right upper regions in communication and the left upper and right lower regions in a closed state; fig. 13 shows a closed state of each part, which is mainly used in the initial stage of healing, and in the case where many cracks 901 are present in the wound surface 9.

In a preferred embodiment, the upper end of the control valve 11 is provided with a circular wall 1102, the lower ends of the circular wall 1102 and the control valve 11 are made of a light-transmitting material, such as glass, the upper end of the circular wall 1102 is provided with an illuminating ring 12, and the biological sponge 6 is provided with a transparent portion 601 near the lower end of the control valve 11.

The light emitting ring 12 emits light and irradiates the wound surface 9 through the ring wall 1102, the lower end of the control valve 11 and the transparent part 601 of the biological sponge 6, so that the healing condition of the wound surface 9 can be observed conveniently, the control valve 11 can be switched in time according to the healing condition, and the treatment method of each sub-area 506 can be adjusted.

In the preferred scheme, control valve 11 is equipped with instruction sign 1103, and polymer splint 1 side is equipped with a plurality of gear signs 102, makes control valve 11's rotatory gear more intuitive, makes things convenient for medical personnel to rotate control valve 11 to correct gear.

In the preferred scheme, 5 outer edges of drainage plate are equipped with sealing washer 4, and sealing washer 4 is connected with notacoria 2, forms the enclosed type to 5 each faces of drainage plate and seals, prevents that the fluid from revealing.

In the preferred scheme, polymer splint 1 side is close to outer fringe department and is equipped with adhesive ring 3, and adhesive ring 3 is used for bonding skin, and adhesive ring 3 adopts the double faced adhesive tape, and the back glues notacoria 2 and polymer splint 1 together.

In the preferred scheme, a plurality of ventilation grooves 301 are arranged on the adhesive ring 3, so that the skin at the bonding position can be ventilated while the adhesive force is ensured.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.