CN2061316U - Multiterminal heart auscultation human body simulated device - Google Patents

Abstract

With a record player with four tape-decks and one to three soft plastic cement human body models working with the four tape-decks, a new human body analog device for cardiac auscultation are presented. Four high-fidelity bass horns in the four auscultation valve areas inside a thoracic cavity of the soft plastic cement human body models are connected correspondingly. The record player is provided with two output sets, and one set being a stereo earphone for teacher listening, and the other set being simultaneously connected with ten stereo earphones for students. Corresponding cardiophonograms, slides, a clinical commentary magnetic recording tape, which can work with a four-watt bass loudspeaker, are made for attachments to adapt the visualized teaching. In the class, heart sound of patients picked by a heart sound pickup can also be played for teaching through an audio-amplifying device.

Description

Multiterminal heart auscultation human body simulated device

The utility model relates to the cardiac auscultation manikin simulating equipment that a kind of clinic is used.Cardiac auscultation is the human heart important content of checking of science, also is the inspection basic fundamental that any doctor institute must grasp, but often is difficult for grasp.It also is subjected to the restriction of auscultation apparatus except that the restriction that is subjected to the case selection.Known auscultation apparatus develops into electronic auscultation device from common stethoscope, all is a people one tool.In recent ten years, though also begin to adopt recording equipment by the circuit amplification that amplifies, also polyphyly single deck tape-recorder (dish) tape or glued membrane disc connect one or a few auscultation terminal, do not combine with manikin.And the hear sounds of being recorded, heart murmur kind are limited.By the amplification that amplifies, often lack the sense of reality.Add under the more situation of student's number, can not carry out synchronously, produce the disconnection situation of teaching, make the student feel abstract hard to understand with the demonstrator.The teaching apparatus that has at present, though can pass through acoustic pickup, directly hear sounds, the heart murmur with patient amplifies, and carries out object teaching, degree of distortion is big.Simultaneously, auscultator's multiplicity is many, and longer duration is difficult to be accepted by patient, especially at cold season or cold district more very, be unfavorable for critically ill patient, influence teaching efficiency.

The purpose of this device is the manikin simulating equipment that cardiac auscultation teaching usefulness in a kind of multiple terminals will be provided, and can allow more student in the cardiac auscultation clinic in same space-time to solve, and carries out vivid object teaching synchronously with the teacher.

The purpose of this device is achieved in that it is to unite formation with one to three tool soft plastic body model and four special sound seat videocorder main frames.Be separately installed with high-fidelity bass sound-conducting apparatus according to four area of auscultation of human heart valve (being mitral area, pulmonary area, aorta petal one district) position in each tool body model's thoracic cavity, the output circuit of corresponding four the playback seats on the sound-conducting apparatus of each valve and the videocorder links.Each deck is placed a dish record the hear sounds of this valve, the tape of heart murmur.Independently of one another, do not disturb mutually, promptly can work independently, but also synchronous working.When synchronous working, just can produce one and blend together the hear sounds acoustics with the human body hear sounds extremely exactly likes.Four audiotapes have been recorded 43 kinds of common typical hear sounds, heart murmurs altogether.Also made corresponding caardiophonogram, lantern slide and mandarin commentary simultaneously, audiovisual can singlely be carried out, and also can unite simultaneously and carry out.On the recording tape cassette, mark every kind of phono-cardiograph number, it is convenient to select for retrieval, also can quote other cardiac auscultation teaching tape, disc.

The recording playback seat can connect two groups of outputs: put big circuit output end for one group in the past and draw, teacher monitors for the band religion; Another group is drawn from the power amplification circuit output terminal, and ten earphones of drive in parallel can be worn the stereophone auscultation respectively for ten students simultaneously.The student also can choose one of following three kinds of modes wantonly and carry out auscultation: one, promptly the student uses the common stethoscope of oneself, carries out direct auscultation on plastic cement body model chest.If when expansion connects three tool models, then can allow 3～6 students on three tool models, carry out synchronous auscultation respectively at least; Its two, can be with high-fidelity hear sounds acoustic pickup directly with patient's hear sounds, heart murmur input videocorder, simultaneously for ten students by the stereophone direct auscultation.Can reduce a plurality of students like this carries out the repetition auscultation on one's body and gives the mental burden that patient increased same patient; Its three, above-mentioned sound pick up equipment and 4 watts of woofers can be linked, carry out general tin of classroom teaching in the classroom.

This device has following characteristics and effect: its shape is also held concurrently with true to nature, gives the student to feel intuitively, can obtain ideophone teaching efficiency true to nature.Owing to recorded common 43 kinds of typical hear sounds, heart murmur, solved the problem of seeking existing disease patient difficulty.More since can with caardiophonogram, lantern slide, clinical data commentary, the facility that amplifies cooperates, and demonstrates the characteristic that this installs multiple function and many outlet terminals, has solved that the student is many, auscultation is difficult, has made in the past abstract teaching vividerization that become.Videocorder adopts known BTL circuit.The low frequency sound equipment is effective, degree of distortion is little, in light weight, volume is little.The energy continuous working is more than four hours, and circuit teaching is convenient in recording playback part and body model's use deciliter random and operation and easy to carry.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing.

Fig. 1 is the recording playback support shell planimetric map of this device;

Fig. 2 is one-piece construction (signal) figure of this device;

Fig. 3 is the workflow block diagram of this device.

Describe details and working condition in detail below in conjunction with accompanying drawing 1, Fig. 2, Fig. 3 according to the concrete device that the utility model proposes.

Fig. 1: this device comprises a mitral area playback seat (1), pulmonary area playback seat (2), aorta petal first district playback seat (3), aorta petal second district playback seat (4), knob (5) is selected in the lobe district, power light (6), count code reader (7), count code return zero key (8), teacher's monitoring jack (9), the student uses earphone (loudspeaker) output plughole (10), hear sounds acoustic pickup input socket (11), body model A accessory power outlet (12), body model B accessory power outlet (13), power switch (14), fuse (15), supply socket (16), Fig. 2: student's stethophone distributor disk (17), body model A input socket (18), body model B input socket (19).Mitral area loudspeaker (20), pulmonary area loudspeaker (21), active lobe first district's loudspeaker (22), sustainer second district's loudspeaker (23), hear sounds acoustic pickup (24), teacher's monitoring headpone (25), student's earphone (26).Fig. 3: magnetic head and heart signal input (27), (28) are selected in input, preposition amplification (29), power amplification (30), relay conversion (31), body model A, B(32), stabilized voltage supply (33), motor (34).

Operation steps: with the output 1(12 on body model and the videocorder) or output 2(13) be connected, plugging monitoring headpone hole (9) is monitored by band religion teacher, if the student is many, the output plughole (10) that then plugs in the earphone links to each other with student's stethophone distributor disk (17), puts the audiotape of four valve areas into corresponding playback seat (1), (2), (3), (4) its he respectively and links to each other with intrathoracic four the lobe district loudspeaker of body model (20), (21), (22), (23) circuit relatively respectively.Energized (16) is pressed down power switch (14), and pilot lamp (6) is bright, press down one of them rewind key (←), after automatic termination is intact, depresses count code and return zero key (8), make count code (7) return zero-bit, aim at the record zone of eclipse number of required selection, press again playback button (

), select the lobe district (5) to be indicated to required lobe district, whole device is promptly in running order.This moment teacher's monitoring headpone (25) and student ten tool earphones (26) but hear sounds that the while uppick is emitted.The student also can directly listen to the hear sounds or the heart murmur of being emitted by corresponding loudspeaker in the corresponding lobe of body model's chest district.If need are selected the hear sounds or the heart murmur in another lobe district, operation steps and last same.When need carry out existing disease patient object teaching, then an end of hear sounds acoustic pickup is inserted the acoustic pickup jack (11) of this machine, after acoustic pickup received end (24) be placed on the corresponding valve auscultation of the chest position of existing disease patient C, select (5) to push hear sounds and the heart murmur that pickup position, monitoring headpone (25) and student's ten tool earphones (26) equally also can be heard this patient in the lobe district.If need in the classroom teaching, as long as connect 4 watts of woofers, link with the loudspeaker jack (10) of this videocorder, press down again playback button ( ), just can be general tin of classroom teaching.

Claims (7)

1, a kind of human heart auscultation analogue means, it is made up of recording playback support and the soft body model of moulding, it is characterized in that: be separately installed with the high-fidelity Low frequency horn on the position according to human body apex of the heart auscultatory mitral area (20), pulmonary valve auscultation area (21), aorta petal first area of auscultation (22), aorta petal second area of auscultation (23) in the soft body model of the moulding thoracic cavity, respectively with the recording playback support on four recording playback seats (1), (2), (3), the output circuit of (4) link.

2,, it is characterized in that four magnetic tape record/play seats all respectively have independent corresponding signal operation key according to the recording playback support in the device of claim 1.

3,, it is characterized in that the pre-amplification circuit (29) in videocorder and two groups of outputs of drawing in the power amplification circuit (30) link with teacher's monitoring headpone (25) and student's earphone distributor disk (17) respectively according to the recording playback support in claim 1 device.

4,, it is characterized in that videocorder can link synchronously with the same soft body model of moulding of tool to three tool according to the device of claim 1.

5, according to the manikin simulating equipment of claim 1, it is characterized in that its employed hear sounds audiotape, recorded 43 kinds of typical hear sounds, heart murmur, and synchronoused working by stereo set with caardiophonogram, lantern slide, clinical commentary audiotape.

6,, it is characterized in that this device also can quote other cardiac auscultation teaching tape, disc or listen to showing the disease patient by acoustic pickup (24) on one's body according to the manikin simulating equipment of claim 1.

7,, it is characterized in that videocorder adopts known BTL circuit according to the device in the claim 1.

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