CN2902232Y

CN2902232Y - Thermoplastic fixation plate

Info

Publication number: CN2902232Y
Application number: CN 200620056769
Authority: CN
Inventors: 易民; 易美岑
Original assignee: 易民; 易美岑
Current assignee: GUANGZHOU RENFU MEDICAL EQUIPMENT CO., LTD.
Priority date: 2006-03-27
Filing date: 2006-03-27
Publication date: 2007-05-23
Anticipated expiration: 2016-03-27

Abstract

The utility model discloses a thermoplastic fixing board, comprising a low-temperature thermoplastic board (3) characterized in that the low-temperature thermoplastic board (3) is provided with two elastic fabric layers (2, 4) on the inner and outer surfaces which can be thermally integrated with the low-temperature thermoplastic board (3) utilizing the adhesiveness caused by heating the surface of the low-temperature thermoplastic board (3) from 60 to 80 DEG C. The thermoplastic fixing board of the utility model not only has the advantages of easy to be plasticized and fixed, requesting for lower skill qualification of the operator and lower plasticizing skill, but also has a marked effect of even distribution and firm fixation after the low-temperature thermoplastic board is fixed.

Description

Thermoplastics type's fixing head

Technical field:

This utility model relates to a kind of skeleton or arthrodesis orthopedic instruments, is used to handle the extended immobilization of fracture or lopsided bone or pressurize orthopedic.

Background technology:

It is softening that the low temperature thermoplastic plate has low temperature (60-70 ℃), moulding effective, have memory function, good permeability, not water funk, light weight, thin thickness, intensity height, have binding function, the X ray permeability imbeds in the soil after good, discarded, characteristic such as biodegradation voluntarily after 8 to 16 months is to have one of material of development prospect in present orthopaedics external fixation and the orthopedic field.The low temperature thermoplastic plate directly apply to the orthopaedics external fixation and orthopedic in, its specification requirement is higher, complex operation step, unskilled operator very easily causes moulding poor effect, fixing or orthopedic quality reduces, even causes material to be scrapped.Therefore, the operator must could use this material well through the professional training of certain hour.These reasons are to cause the low temperature thermoplastic plate can not popularize the principal element that applies to medical domain fast.

State knows that (Granted publication number is: CN2678600Y) utility model patent is to solve the aforesaid operations complex steps, the higher relatively and a kind of technical scheme that proposes of specification requirement for a kind of " the medical surgical stationary annular cover " of office's Granted publication February 16 in 2005.The hollow pipe that the described technical scheme of this patent is the 0-30 degree by one section cone angle constitutes, and described hollow pipe adopts the low-temperature thermoplastic material to make.Although this utility model patent has convenient fixing advantage efficiently, but obviously there is following deficiency: the one, because described hollow pipe is a kind of conical pipe, be again to use harder low-temperature thermoplastic material at normal temperatures, therefore at normal temperatures can't be crooked, be not suitable for affected parts such as ankle joint, knee joint and elbow joint; The 2nd, because low-temperature thermoplastic material breathability difference and hard (under the room temperature) directly closely contact with patient skin for a long time, complication such as local circulation obstacle, skin injury, infection appear easily.

State know office February 16 in 2005 again a kind of " the shape memory skeletal fixation plate " of Granted publication (Granted publication number is: CN1190117C) patent of invention, the disclosed technical scheme of this patent is made up of shape memory high molecule material and thermo electric material, and wherein said memory macromolecular material applies on elastic fiber fabric and contains crystalline state side group polymer and cause.This invention is directly implanted thermo electric material in the shape memory high molecule material, and heating steps is integrated in the skeletal fixation plate, and material is carried out direct heating.One of its purpose also is for the step that simplifies the operation, and is convenient to the application of material.But obviously there is following deficiency in this patent of invention: 1, according to the disclosed information of this invention bulletin text, described thermo electric material is a heating wire.When heating energising, heating wire must embed in the shape memory high molecule material, is not easy to moulding, even moulding very difficult.2, described shape memory high molecule material has only one side to be provided with elastic fiber fabric, although the inventor does not point out the inboard or the outside that places shape memory skeletal fixation plate with the described elastic fiber fabric of person, still can find to place which side that the deficiency that is difficult to overcome is all arranged elastic fiber fabric.If elastic fiber fabric is placed on the outside, must be earlier before so moulding on human body, twine one deck gauze or cover other flexible insulant material of one deck, otherwise easy scalded patient's skin when moulding, sclerosis back life-time service, the patient skin that can fray causes complication.If elastic fiber fabric is placed on the inboard, the one, it is too fast to dispel the heat, and the moulding time is short, gives the moulding technical difficulty that increased; The 2nd, be a kind of elastomer after the shape memory high molecule material heating, moulding person's hands directly acts on the shape memory high molecule material, and external force can not be delivered on the inboard elastic fiber fabric effectively, certainly lead to stress raisers, whole shape memory high molecule material can not be evenly, deform in same pace, cause moulding back shape memory high molecule material became uneven, influence fixed effect.Secondly, if shape memory high molecule material is exposed in appearance, not only can make the contactee feel difference, lose friendliness, and moulding back edge will repair, workload increases, and the fixing operation time is long.

Summary of the invention:

Technical problem to be solved in the utility model is to improve the moulding condition of low temperature thermoplastic plate.

The technical solution that this utility model solves the problems of the technologies described above is:

A kind of thermoplastics type's fixing head comprises the low temperature thermoplastic plate, it is characterized in that the inside and outside elastic fiber fabric layer that all is covered with of described low temperature thermoplastic plate; Described low temperature thermoplastic plate be located at its inside and outside elastic fiber fabric layer heat and be combined into one.

The described heat seal process of technique scheme can be finished before dispatching from the factory, and also can finish in the heating process in use.

Be distributed with passage on the low temperature thermoplastic plate described in the utility model,, radiating effect ventilative to improve.

Thermoplastics type's fixing head described in the utility model can be made various tabular holders, cast or orthosis as required.

Thermoplastics type's fixing head described in the utility model is suitable for limb fracture, orthopedic cover is a tubulose.

Thermoplastics type's fixing head described in the utility model is suitable for that carpal joint is fixed or orthopedic joint cover is tubulose, and the one head is provided with one for female hole of stretching out of referring to.

Thermoplastics type's fixing head described in the utility model is suitable for that ankle joint is fixed or orthopedic joint cover is syphon shape, and its middle part is provided with a hole of stretching out for heel.

Thermoplastics type's fixing head described in the utility model is suitable for arthrodesis or orthopedic joint holder is tabular.

Because after this utility model made full use of low temperature thermoplastic plate heating (60 ℃～80 ℃), the viscosity that its surface produced was combined into one described low temperature thermoplastic plate and inside and outside two-layer elastic fiber fabric heat, has following significant technique effect than prior art:

1, inside and outside two-layer elastic fiber fabric and low temperature thermoplastic plate heat compound after, intermediary low temperature thermoplastic plate has been played protection and restriction.When external force acted on hot complex, external force was delivered on the intermediary low temperature thermoplastic plate by two-layer elastic fiber fabric, made three layers of uniform deform in same pace, arbitrarily pinched and drew, and can not cause damage of product even scrapped.Because this structure is not afraid of arbitrarily to pinch and is drawn, the operator does not need the special training by specification just can operate like a cork, has reduced the technical training link of new product, has reached the purpose of popularizing fast.

2, inside and outside two layers of elastic fiber fabric have played insulation effect, have prolonged the firm time of middle level low temperature thermoplastic plate, for the operator provides the competent moulding operating time, thereby have reduced the proficiency level of operator's technology and the requirement of moulding skill.

3, inside and outside two layers of elastic fiber fabric good permeability, and be provided with passage again on the intermediary low temperature thermoplastic plate, more help the ventilative and heat radiation of skin; The internal layer elastic fiber fabric is very soft, has avoided the wearing and tearing of low temperature thermoplastic plate to the patient skin tissue effectively, has played the effect of better protect patient skin.

Description of drawings:

Fig. 1 is the cross-sectional configuration sketch map (amplification) of thermoplastics type's fixing head described in the utility model;

Fig. 2 is the schematic appearance of low temperature thermoplastic plate (the local expansion amplified);

Fig. 3 for described in the utility modelly be suitable for fracturing, knee joint or elbow joint fix or the structural representation of orthopedic joint cover.

Fig. 4 is the structural representation that carpal joint is fixed or orthopedic joint is overlapped that is suitable for described in the utility model.

Fig. 5 is the structural representation that ankle joint is fixed or orthopedic joint is overlapped that is suitable for described in the utility model;

Fig. 6 is the structural representation that is suitable for arthrodesis or the holder of orthopedic joint described in the utility model.

The specific embodiment:

Below in conjunction with drawings and Examples this utility model is explained in further detail, so that the public grasps concrete enforcement means of the present utility model better, fully understand advantage and effect that this utility model has, but this utility model is not limit by described embodiment.

Fig. 3 is for thermoplastics type's fixing head described in the utility model is suitable for fracturing, knee joint or elbow joint are fixed or the structural representation of orthopedic joint cover.For ease of narration with whole joint cover (thermoplastics type's fixing head) titled with numbering 1A (Fig. 4, Fig. 5 and embodiment shown in Figure 6 are successively titled with numbering 1B, 1C, 1D).

Referring to Fig. 3, for adapting to the upper coarse and lower fine needs of people's limbs, thermoplastics type's fixing head 1A makes the slightly tubulose of tapering, overlaps 4 heat seals by elastic fiber fabric layer lining 2, low temperature thermoplastic plate 3 and elastic fiber fabric aspect successively from the inside to the outside and makes (see figure 1).Shape, size by fixed position cuts lining 2, face cover 4 and low temperature thermoplastic plate 3 earlier, lump together by position shown in Figure 1 and order stack again, at last before product export or before moulding with after 60 ℃～80 ℃ of the joint cover heating and exert pressure slightly, three's heat is combined into one.

Referring to Fig. 2, be distributed with air-vent 5 on the described low temperature thermoplastic plate 3.

Fig. 4 is suitable for the structural representation that carpal joint is fixed or orthopedic joint is overlapped for thermoplastics type's fixing head described in the utility model.Joint cover 1B makes the tubulose of saddle type, and expansion place of its head is provided with a mother and refers to stretch out hole 7.Whole joint cover also adopts method shown in Figure 1 low temperature thermoplastic plate 3, lining 2 dough-making powder to be overlapped 4 threes are superimposed, heat is combined into one.Above-mentioned implementation method in addition embodiment illustrated in fig. 4 is with embodiment illustrated in fig. 3 identical.

Fig. 5 is suitable for the structural representation that ankle joint is fixed or orthopedic joint is overlapped for thermoplastics type's fixing head described in the utility model.Whole joint cover 1C makes syphon shape, and the outside of its corner is provided with a heel and stretches out hole 8.Whole joint cover is same to adopt method shown in Figure 1 low temperature thermoplastic plate 3, lining 2 dough-making powder to be overlapped 4 threes are superimposed, heat is combined into one.Above-mentioned implementation method in addition embodiment illustrated in fig. 5 is with embodiment illustrated in fig. 3 identical.

Fig. 6 is the structural representation that is suitable for arthrodesis or the holder of orthopedic joint described in the utility model.Whole joint holder 1D makes tabular according to shape, the size in joint, also adopt method shown in Figure 1 low temperature thermoplastic plate 3, lining 2 dough-making powder to be overlapped 4 threes are superimposed, heat is combined into one.Above-mentioned implementation method in addition embodiment illustrated in fig. 6 is with embodiment illustrated in fig. 3 identical.

Claims

1, a kind of thermoplastics type's fixing head comprises low temperature thermoplastic plate (3), it is characterized in that the interior of described low temperature thermoplastic plate (3) and all is covered with elastic fiber fabric layer (2,4) outward; Described low temperature thermoplastic plate (3) with establish its inside and outside elastic fiber fabric layer (2,4) heat and be combined into one.

2, a kind of thermoplastics type's fixing head according to claim 1 is characterized in that being distributed with on the described low temperature thermoplastic plate (3) air-vent (5).

3, a kind of thermoplastics type's fixing head according to claim 1 and 2, it is characterized in that described low temperature thermoplastic plate (3) for be suitable for fracturing, knee joint or elbow joint is fixed or orthopedic tubulose joint cover (1A).

4, a kind of thermoplastics type's fixing head according to claim 1 and 2, carpal joint is fixed or orthopedic tubulose joint cover (1B) in order to be suitable for to it is characterized in that described low temperature thermoplastic plate (3), and the one head is provided with one and supplies mother to refer to the hole (7) of stretching out.

5, a kind of thermoplastics type's fixing head according to claim 1 and 2, ankle joint is fixed or orthopedic syphon shape joint cover (1C) in order to be suitable for to it is characterized in that described low temperature thermoplastic plate (3), and its middle part is provided with a hole (8) that supplies heel to stretch out.

6, a kind of thermoplastics type's fixing head according to claim 1 and 2 is characterized in that described low temperature thermoplastic plate (3) is for being suitable for arthrodesis or orthopedic tabular joint holder (1D).