CN209770681U - Deck substitute - Google Patents

Abstract

A deck substitute is a two-layer structure consisting of a deck layer on the top layer and a permeable layer on the bottom layer. The surface of the deck layer is arc-shaped, and the radian is matched with that of a nail; the deck layer is provided with a plurality of vertically-through drainage holes, each drainage hole comprises two to three fork holes, each fork hole is in an inclined cylindrical shape, the inclination angle is 30-50 degrees, and the top surfaces of the fork holes are overlapped; the left side and the right side of the deck layer are provided with fixing holes. The penetration layer is arc-shaped, and the radian of the penetration layer is consistent with that of the deck layer; the permeable formation comprises medical permeable membrane and medical absorbent cotton inner core, the left and right sides of permeable formation also is provided with the fixed orifices. The utility model discloses simple structure, the preparation of being convenient for, nimble, the practicality in clinical application can avoid the adhesion condition of deck and gauze to play good moulding effect to the nail bed, make newborn nail surface level and smooth.

Description

deck substitute

Technical Field

The utility model relates to the field of medical equipment, more specifically say, in particular to deck substitute.

Background

Nail bed injuries are common injuries in hand injuries and are caused by multiple factors such as hitting and squeezing of a blunt instrument, wherein nail bed laceration, nail bed, nail plate defects and nail root and wing are common. Treatment of nail bed lesions is difficult, while most patients are not paying attention or are not undergoing regular treatment. Usually, after the nail body falls off, the nail body is covered by the vaseline gauze, but the nail body is easy to deform and thicken in the later period, nail grooves are adhered, the beauty of fingers is affected, and functional disorders such as finger tip tenderness, hyperesthesia, nail embedding and the like are caused. In view of the special anatomical structure and functional requirements of the nail, the tissue with similar structural morphology is applied to cover and repair the wound surface of the nail bed, and the nail can recover good function and appearance after operation, so that good clinical effect can be obtained. Therefore, it has become a significant clinical issue how to select a better treatment for repairing nail bed defects to restore their best appearance and function with minimal post-operative remaining defects.

At present, the research of biological tissue engineering has been carried out with a great deal of development, and various deck substitutes have been successfully developed and widely applied to surgical clinic. Patent CN205019248U discloses a nail bed defect deck deletion repair protection device, which comprises a nail body, wherein the surface of the nail body is arc-shaped, the radian of the nail body is matched with the radian of a second-hand nail or a second-toe nail, the front end of the nail body is arc-shaped, and the radian of the nail body is matched with the fingertips of the second-hand nail or the second-toe nail; the surface of the nail body is provided with a plurality of through holes which penetrate up and down. However, the protection device is easy to leave the bulges with the same shape of the through holes on the new fingernails after being used, which affects the beautiful appearance of the fingernails.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem

Therefore, how to solve the problem that the new nail is easy to bulge existing in the nail repairing and packaging device becomes a problem to be solved urgently by the technical personnel in the field.

(2) Technical scheme

In view of the above, it is an object of the present invention to provide a deck substitute.

A deck substitute is a two-layer structure consisting of a deck layer on the top layer and a permeable layer on the bottom layer.

the surface of the deck layer is arc-shaped, and the radian is matched with that of a nail. The thickness of the deck layer is 1-3 mm. A plurality of drainage holes which are communicated up and down are formed in the deck layer and used for drainage of wound surface liquid. The drainage hole includes two to three fork holes, the fork hole is the cylindricality of slope, and inclination is 30 ~ 50, the top surface coincidence in every fork hole. When the drainage hole is two fork holes, two fork holes distribute in the symmetry setting on same straight line. When the drainage holes are three fork holes, the three fork holes are arranged at intervals of 60 degrees. The aperture of each fork hole of the drainage hole is 0.5-0.8 mm. The left side and the right side of the deck layer are provided with fixing holes.

The permeable formation is arc-shaped, and the radian of the permeable formation is consistent with that of the deck layer. The permeable formation comprises medical osmotic membrane and medical absorbent cotton inner core, medical absorbent cotton inner core is the arc lamellar structure by medical absorbent cotton compression, medical osmotic membrane wrap up in medical absorbent cotton inner core outer layer. The medical permeable membrane is a hard membrane and is used for liquid medicine and pus to permeate through. The left and right sides of permeable formation also is provided with the fixed orifices, the fixed orifices of permeable formation with the fixed orifices position of deck layer is corresponding.

Since the surface of the penetration layer is smooth and is closely attached to the wound surface, the new nail surface is smooth and has no projections in the shape of drainage holes.

The deck plate layer with the permeable formation overlaps the use, adopts the rubber band to pass the fixed orifices of deck plate layer and the fixed orifices of permeable formation respectively and can be used to the fixed on the fingertip. The utility model can be sleeved on the fingertip to change the medicine without dismantling the medicine. When the permeable layer is not beneficial to the infiltration of the liquid medicine, the permeable layer can be continuously used after being replaced with a new one.

The setting of permeable formation, the permeable formation absorbs liquid medicine and continuously administers the wound face on the one hand, and the pus that on the other hand wound face excretes also can outwards ooze through the permeable formation, and then flows through the drainage hole of deck layer. When the permeable layer is saturated by pus and is not beneficial to the penetration of liquid medicine, the rubber band can be disassembled, the deck substitute is taken down, then the permeable layer is removed, a new permeable layer is replaced, and the permeable layer is continuously applied to the wound surface for treatment.

The fork holes of the drainage holes are arranged to form a deck layer with a plurality of holes on the bottom surface and a few holes on the top surface. The structure that the bottom surface is porous, the top surface is few porous is convenient for liquid medicine when permeating to the wound face, and the flow direction permeable formation that disperses more to more even effect on the wound face. Meanwhile, the structure is also beneficial to the rapid outflow of pus on the wound surface to the surface of the substitute on the nail plate.

(3) Advantageous effects

The utility model discloses simple structure, the preparation of being convenient for, nimble in clinical application, practical has optimization work flow, alleviates medical staff's burden, improves work efficiency. Furthermore, the utility model discloses can avoid the adhesion condition of deck and gauze to play good moulding effect to the nail bed, make the newborn nail surface level and smooth.

Drawings

Fig. 1 is the utility model discloses an overall structure schematic diagram, fig. 2 is the utility model discloses a two fork hole drainage pore structure schematic diagrams, fig. 3 is the utility model discloses a trident hole drainage pore structure schematic diagram.

In the figure: 1 is a deck layer, 2 is a permeable layer, 3 is a drainage hole, 4 is a fixing hole, and 3-1 is a fork hole.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

In the description of the present invention, the terms "upper", "lower", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, a deck substitute is a two-layer structure consisting of a deck layer 1 on the top layer and a permeable layer 2 on the bottom layer.

The surface of the deck layer 1 is arc-shaped, and the radian is matched with that of a nail. The thickness of the deck layer is 1-3 mm. A plurality of drainage holes 3 which are communicated up and down are formed in the deck layer 1 and are used for drainage of wound surface liquid. The drainage hole includes two to three fork holes 3-1, the fork hole is the cylindrical of slope, and inclination is 30 ~ 50, the top surface coincidence in every fork hole. As shown in fig. 2, when the drainage holes are two fork holes, the two fork holes are symmetrically arranged on the same straight line. As shown in FIG. 3, when the drainage holes are three fork holes, the three fork holes are arranged at intervals of 60 degrees. The aperture of each fork hole of the drainage hole is 0.5-0.8 mm. The left and right sides of the deck layer 1 are provided with fixing holes 4.

The permeable layer 2 is arc-shaped, and the radian of the permeable layer is consistent with that of the deck layer. The permeable formation 2 is composed of a medical permeable membrane and a medical absorbent cotton inner core, the medical absorbent cotton inner core is of an arc-shaped sheet structure formed by compressing medical absorbent cotton, and the medical permeable membrane wraps the outer layer of the medical absorbent cotton inner core. The medical permeable membrane is a hard membrane and is used for liquid medicine and pus to permeate through. The left and right sides of permeable formation 2 also is provided with fixed orifices 4, the fixed orifices of permeable formation with the fixed orifices position of deck layer is corresponding.

Since the surface of the penetration layer 2 is smooth and clings to the wound surface, the new nail surface is smooth and has no protrusions in the shape of drainage holes.

The deck layer 1 and the permeable formation 2 are overlapped for use, and the rubber band is adopted to penetrate through the fixing hole of the deck layer and the fixing hole of the permeable formation respectively so as to be used for fixing on the finger tip. The utility model can be sleeved on the fingertip to change the medicine without dismantling the medicine. When the permeable layer is not beneficial to the infiltration of the liquid medicine, the permeable layer can be continuously used after being replaced with a new one.

The setting of permeable formation, the permeable formation absorbs liquid medicine and continuously administers the wound face on the one hand, and the pus that on the other hand wound face excretes also can outwards ooze through the permeable formation, and then flows through the drainage hole of deck layer. When the permeable layer is saturated by pus and is not beneficial to the penetration of liquid medicine, the rubber band can be disassembled, the deck substitute is taken down, then the permeable layer is removed, a new permeable layer is replaced, and the permeable layer is continuously applied to the wound surface for treatment.

The fork holes of the drainage holes are arranged to form a deck layer with a plurality of holes on the bottom surface and a few holes on the top surface. The structure that the bottom surface is porous, the top surface is few porous is convenient for liquid medicine when permeating to the wound face, and the flow direction permeable formation that disperses more to more even effect on the wound face. Meanwhile, the structure is also beneficial to the rapid outflow of pus on the wound surface to the surface of the substitute on the nail plate.

The deck layer of the utility model can be made by trimming a plastic deck which is matched with a deck bed by using a Murphy's dropper of an infusion apparatus. The texture and the morphological structure of the deck layer are very similar to those of the deck, and foreign matter rejection reaction to a human body is small.

The method for performing the operation by adopting the utility model comprises the following steps: the nerve block anesthesia of the finger root is adopted for the nail bed injury, the conventional thorough debridement is realized, the patients with finger bone fracture dissect and reset as much as possible, and the unstable patients after reset are temporarily fixed by a No. 7 injection needle; the patients with longitudinal and transverse fissure of nail bed can be sutured without tension, and the patients with stellate fissure are sutured with 6-0 to 8-0 non-invasive suture thread without tension for 2-4 needles. 3-0 silk thread and the horizontal cotton-padded mattress thread of the nail epithelium are sutured for 1-2 needles, then the skin around the nail bed is sutured in a horizontal type, a vertical type and a combined horizontal and vertical type 8 shape, the nail plate substitute is placed at the nail position of the fingertip and fixed by a rubber band, the nail plate substitute is pressurized, and the stability of the fixed nail plate substitute is checked; the patient with emerging nail wing is completely debrided, the fracture is reduced, the nail root is reduced, the 8-shaped vertical suture pressing fixation nail template is added, and the stability is also checked. Performing conventional X-ray examination after operation, resisting infection, and removing finger abdominal suture and 8-shaped suture every 2d of the medicine for 12-14 d.

Adopt the utility model provides a deck substitute carries out the treatment of nail bed injury, convenient to use, low cost, the effect is obvious, is fit for the popularization and application in the external injury operation of hospital orthopedics hand at all levels.

The present invention is not limited to the above embodiments, and any person can obtain other products in various forms according to the teaching of the present invention. All the equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.

Claims (4)

1. A deck substitute is a double-layer structure consisting of a deck layer and a permeable layer, and is characterized in that:

The deck layer is positioned on the top layer, and the permeable layer is positioned on the bottom layer;

The surface of the deck layer is arc-shaped, and the radian is matched with that of a nail; the thickness of the deck layer is 1-3 mm; the deck layer is provided with a plurality of vertically-through drainage holes, each drainage hole comprises two to three fork holes, each fork hole is in an inclined cylindrical shape, the inclination angle is 30-50 degrees, and the top surfaces of the fork holes are overlapped; fixing holes are formed in the left side and the right side of the deck layer;

The penetration layer is arc-shaped, and the radian of the penetration layer is consistent with that of the deck layer; the permeable formation comprises medical osmotic membrane and medical absorbent cotton inner core, medical absorbent cotton inner core is the arc lamellar structure by medical absorbent cotton compression, medical osmotic membrane wrap up in medical absorbent cotton inner core outer layer, the left and right sides of permeable formation also is provided with the fixed orifices, the fixed orifices of permeable formation with the fixed orifices position of deck layer is corresponding.

2. A deck substitute as defined in claim 1, wherein: when the drainage hole is two fork holes, two fork holes distribute in the symmetry setting on same straight line.

3. A deck substitute as defined in claim 1, wherein: when the drainage holes are three fork holes, the three fork holes are arranged at intervals of 60 degrees.

4. A deck substitute as defined in claim 1, wherein: the aperture of each fork hole of the drainage hole is 0.5-0.8 mm.