CN201445526U - Measurer for lumen tracts of human body - Google Patents

Abstract

The utility model relates to a measurer for lumen tracts of a human body, which is characterized by comprising a fine adjustment screw (1), a reading connecting rod (2), a reading assembly (3), a transmission assembly (4) and a sleeve (5). A conveying outer tube (9) is sleeved on one end of the sleeve (5) inserted into a measuring part, and the reading assembly (3) is fixed on the other end of the sleeve (5). The transmission assembly (4) is inserted in the sleeve (5), one end of the transmission assembly (4) is connected with the fine adjustment screw (1), and the other end is connected with a hinge point of a connecting rod (7). A hinge point of a measuring assembly (8) articulated with the connecting rod (7) is positioned on a permanent seat (6) which is fixedly connected with the sleeve (5). A hinge point of the reading connecting rod (2) is connected with the transmission assembly (4) which drives the reading connecting rod to move forwards and backwards, the other end of the reading connecting rod (2) is articulated with a slide block installed on the reading assembly (3), and the slide block is positioned in a sliding chute on the reading assembly (3). The utility model has simple structure as well as very convenient manufacture and operation, can avoid repeated operation in an operation, can relieve the pain of a patient and reduce the occurrence of medical accidents, and is beneficial to improving the medical level.

Description

The body cavities measuring device

Technical field

This utility model relates to a kind of medical apparatus and instruments, in particular for the diameter of measuring tract that inside of human body can't directly measure such as trachea, bronchus, digestive tract, urinary tract etc. and the survey tool of focus size, specifically a kind of body cavities measuring device.

Background technology

As everyone knows, the Wicresoft field in medical skill all can relate to the operation of medical catheter, before the use medical catheter undergos surgery, needs to judge the size of focus in body cavities diameter or the tract.At present, also do not have corresponding measurement device, can only rely on doctor's judgement, but doctor's judgement more is the experience that relies on the individual.But, cause error in judgement easily because there is individual variation in the human body environment.

Summary of the invention

The purpose of this utility model is at the deficiencies in the prior art, designs a kind of body cavities measuring device.This body cavities measuring device contacts with body cavities or focus by two probes of tip measurement component, through conversion, provide the feasible diameter of judging body cavities more accurately in the mode that can be identified, thereby avoid repeatable operation, with minimizing patient's the misery and the generation of malpractice.

The technical solution of the utility model is:

A kind of body cavities measuring device, it is characterized in that it mainly comprises fine adjustment screw 1, reading connecting rod 2, reading parts 3, transfer member 4, sleeve pipe 5, holder 6, connecting rod 7, measurement component 8 and carries outer tube 9, carrying outer tube 9 to be sleeved on sleeve pipe 5 inserts on the end of measuring point, reading parts 3 are fixed on the other end of sleeve pipe 5, transfer member 4 is inserted in the sleeve pipe 5, its end links to each other with fine adjustment screw 1, the other end links to each other with the pin joint of connecting rod 7, the pin joint of the measurement component 8 that is hinged and connected with connecting rod 7 is positioned on the holder 6, and holder 6 is fixedly linked with sleeve pipe 5; The pin joint of reading connecting rod 2 links to each other with its transfer member that moves forward and backward 4 of drive, and the other end of reading connecting rod 2 is hinged and connected with the slide block that is installed on the reading parts 3, and slide block is arranged in the chute on the reading parts 3.When two on the measurement component 8 probes 11 touched body cavities, the move distance and pointer 14 displacements of probe 11 had a kind of corresponding relation, and this corresponding relation depends on the length of each connecting rod in the linkage.Just can directly read the diameter of body cavities then according to the position on rule of two pointers 14 on the reading connecting rod 2.Front end measurement component 8 is contracted in and carries in the outer tube 9 when being delivered to body cavities, is convenient to be transported to the measuring point of tract, and avoids damaging human body or other apparatuses; During measurement front end measurement component 8 stretch out outer tube be convenient to the operation.

Described transfer member 4 is individual wire, single steel wire or steel wire strand.

Described sleeve pipe 5 is metal hose or metal spring pipe, and metal hose or metal spring pipe are naked pipe or the non-naked pipe that covers macromolecule material coating outward.

Described sleeve pipe 5 is a medical catheter, and it is PE, PP, Nylon, PEEK, PEBA, the tubular structure of PU or its copolymer or blend.

The pin joint of described reading connecting rod 2 is positioned on the contiguous block 13, and an end of contiguous block 13 links to each other with fine adjustment screw 1, and the other end links to each other with transfer member 4.

Described reading connecting rod 2 is formed quadric chain with near-end connecting rod 10, the pin joint of the pin joint of reading connecting rod 2 and near-end connecting rod 10 lays respectively at the both sides of reading parts 3, the pin joint of reading connecting rod 2 links to each other with fine setting screw rod 1, the pin joint of connecting rod 15 is fixed on the sleeve pipe 5, reading connects 2 and then is positioned on the slide block that is fixed on reading parts 3 with the pin joint of connecting rod 15, and reading parts 3 are done axially-movable with linkage.

Described reading connecting rod 2 is formed a quadric chain with near-end connecting rod 10, and the pin joint of reading connecting rod 2 is fixed on the sleeve pipe 5, and the pin joint of near-end connecting rod 10 links to each other with fine setting screw rod 1.

Slide block on the described reading parts 3 is connected with reading pointer 14.

On described measurement component 8 and the contacted end of human body probe 11 is installed.

The beneficial effects of the utility model:

This utility model can be measured the diameter of body cavities accurately, avoids because experience is judged the error that causes, thereby avoids repeatable operation, reduces patient's misery, reduces the probability of happening of malpractice.

This utility model is simple in structure, and manufacturing operation is all very convenient, and the repeatable operation in avoiding performing the operation can reduce patient's the misery and the generation of malpractice, helps the raising of medical level.

Description of drawings

Fig. 1-the 1st, one of structural representation of the present utility model.

Fig. 1-2 is two of a structural representation of the present utility model.

Fig. 1-the 3rd, three of structural representation of the present utility model.

Fig. 2-the 1st, the partial enlarged drawing of the fine-tuning nut of Fig. 1-1 and reading member connection structure.

Fig. 2-the 2nd, the partial enlarged drawing of the fine-tuning nut of Fig. 1-2 and reading member connection structure.

Fig. 2-the 3rd, the partial enlarged drawing of the fine-tuning nut of Fig. 1-3 and reading member connection structure.

Fig. 3 is the partial enlarged drawing of tip measurement section of the present utility model.

Fig. 4-the 1st, the measurement schematic diagram calculation of Fig. 1-1.

Fig. 4-the 2nd, the measurement schematic diagram calculation of Fig. 1-2.

Fig. 4-the 3rd, the measurement schematic diagram calculation of Fig. 1-3.

Among the figure: 1. fine adjustment screw, 2. reading connecting rod, 3. reading parts, 4. transfer member, 5. sleeve pipe, 6. holder, 7. connecting rod, 8. measurement component is 9. carried outer tube, 10. near-end connecting rod, 11. probes, 12. handles, 13. contiguous blocks, 14. pointers.

The specific embodiment

Below in conjunction with drawings and Examples this utility model is further described.

Embodiment one.

Shown in Fig. 1-1, Fig. 2-1, Fig. 3 and Fig. 4-1.

A kind of body cavities measuring device, it mainly comprises fine adjustment screw 1, reading connecting rod 2, reading parts 3, transfer member 4, sleeve pipe 5, holder 6, connecting rod 7, measurement component 8 and conveying outer tube 9, transfer member 4 wherein can be individual wire, single steel wire or steel wire strand, sleeve pipe 5 can be metal hose or metal spring pipe, metal hose or metal spring pipe are naked pipe or the non-naked pipe that covers macromolecule material coating outward, sleeve pipe 5 also can be medical catheter, and (material can adopt PE, PP, Nylon, PEEK, PEBA, PU or its copolymer or blend), as Figure 1-1. carry outer tube 9 to be sleeved on sleeve pipe 5 and insert on the end of measuring point, reading parts 3 are fixed on the other end of sleeve pipe 5, and transfer member 4 is inserted in the sleeve pipe 5, its end links to each other with fine adjustment screw 1, the other end links to each other with the pin joint of connecting rod 7, and the pin joint of the measurement component 8 that is hinged and connected with connecting rod 7 is positioned on the holder 6, and holder 6 is fixedly linked with sleeve pipe 5, probe 11 also is installed, as shown in Figure 3 on measurement component 8; The one end hinge of reading connecting rod 2 is contained on the contiguous block 13, the pin joint that also can not adopt contiguous block during concrete enforcement and directly will count connection 2 is fixed on the transfer member 4, one end of contiguous block 13 links to each other with fine adjustment screw 1, the other end links to each other with transfer member 4, the other end of reading connecting rod 2 is hinged and connected with the slide block that is installed on the reading parts 3, slide block is arranged in the chute on the reading parts 3 and is connected with pointer 14, shown in Fig. 2-1. when two on the measurement component 8 probes 11 touch body cavities, the move distance and pointer 14 displacements of probe 11 have a kind of corresponding relation, this corresponding relation depends on the length of each connecting rod in the linkage. just can directly read the diameter of body cavities then according to the position on rule of two pointers 14 on the reading connecting rod 2. and front end measurement component 8 is contracted in and carries in the outer tube 9 when being delivered to body cavities, be convenient to be transported to the measuring point of tract, and avoid damaging human body or other apparatuses; During measurement front end measurement component 8 stretch out outer tube be convenient to the operation.

The measuring principle of present embodiment shown in Fig. 4-1, L1=L2 among Fig. 4-1, L3=L4=L5=L6, L7=L8, by L1 (L2), the front and back end length of L3 (L4) expression measurement component 8.Because reading connecting rod 2 is identical with connecting rod 7 displacements, therefore, there are following relation in x and y:

$2*L3-\sqrt{4{\mathrm{<figure-callout\; id="3"\; label="L"\; filenames="H2009200426456E00011.png,H2009200426456E00013.png"\; state="\{\{state\}\}">L</figure-callout>}3}^2-\left(\frac{{\mathrm{<figure-callout\; id="3"\; label="L"\; filenames="H2009200426456E00011.png,H2009200426456E00013.png"\; state="\{\{state\}\}">L</figure-callout>}3}^2}{{\mathrm{<figure-callout\; id="1"\; label="L"\; filenames="H2009200426456E00011.png,H2009200426456E00012.png"\; state="\{\{state\}\}">L</figure-callout>}1}^2}\right)*x^2}=\sqrt{{\mathrm{<figure-callout\; id="7"\; label="L"\; filenames="H2009200426456E00031.png"\; state="\{\{state\}\}">L</figure-callout>}7}^2\frac{y^2}{4}}$

According to this formula,, just can directly read the numerical value of x by the conversion of reading parts.

Embodiment two.

As Fig. 1-2, Fig. 2-2, Fig. 3 and Fig. 4-2.

The difference of present embodiment and embodiment one is reading connecting rod 2 and connecting rod 15 composition quadric chains, shown in Fig. 1-2, Fig. 2-2, the pin joint of the pin joint of reading connecting rod 2 and connecting rod 15 lays respectively at the both sides of reading parts 3, the pin joint hinge of reading connecting rod 2 is contained on the contiguous block 13, one end of contiguous block 13 links to each other with fine setting screw rod 1, the other end links to each other with transfer member 4, also can not adopt contiguous block when specifically implementing and directly will count and connect 2 pin joint and be fixed on the transfer member 4.The pin joint of connecting rod 15 is fixed on the sleeve pipe 5, and reading connects 2 and then is positioned on the slide block that is fixed on reading parts 3 with the other end pin joint of connecting rod 15, and reading parts 3 are done axially-movable with linkage.

The measuring principle of present embodiment is shown in Fig. 4-2.

In Fig. 4-2, reading parts 2 adopt the four-bar linkage structure form.L1=L2 wherein, L3=L4=L5=L6, L7=L8=L9=L10.Because reading connecting rod 2 is identical with connecting rod 7 displacements, therefore, there are following relation in x and y:

$2*L3-\sqrt{{4\mathrm{<figure-callout\; id="3"\; label="L"\; filenames="H2009200426456E00011.png,H2009200426456E00013.png"\; state="\{\{state\}\}">L</figure-callout>}3}^2-\left(\frac{{\mathrm{<figure-callout\; id="3"\; label="L"\; filenames="H2009200426456E00011.png,H2009200426456E00013.png"\; state="\{\{state\}\}">L</figure-callout>}3}^2}{{\mathrm{<figure-callout\; id="1"\; label="L"\; filenames="H2009200426456E00011.png,H2009200426456E00012.png"\; state="\{\{state\}\}">L</figure-callout>}1}^2}\right)x^2}=2L7-\sqrt{4{\mathrm{<figure-callout\; id="7"\; label="L"\; filenames="H2009200426456E00031.png"\; state="\{\{state\}\}">L</figure-callout>}7}^2-{\mathrm{<figure-callout\; id="2"\; label="y"\; filenames="H2009200426456E00011.png,H2009200426456E00012.png"\; state="\{\{state\}\}">y</figure-callout>}}^2}$

All the other are all identical with embodiment one.

Embodiment three.

Shown in Fig. 1-3,2-3, Fig. 3 and Fig. 4-3.

Present embodiment is quadric chain of reading connecting rod 2 and near-end connecting rod 10 compositions with the difference of implementing one, shown in Fig. 1-3, Fig. 2-3, the pin joint of reading connecting rod 2 is fixed on the contiguous block 13, the pin joint hinge of near-end connecting rod 10 is contained on the sleeve pipe 5, one end of contiguous block 13 links to each other with fine setting screw rod 1, the other end links to each other with transfer member 4, also can cancel contiguous block 13 when specifically implementing.

The measuring principle of present embodiment is shown in Fig. 4-3.

In Fig. 4-3, the reading parts constitute the four-bar linkage structure form by reading connecting rod (2) and near-end connecting rod (10). L1=L2 wherein, L3=L4=L5=L6, L7=L8=L9=L10, L11=L12. because near-end connecting rod (10) is identical with connecting rod (7) displacement, therefore, there are following relation in x and y:

$2*L3-\sqrt{{4\mathrm{<figure-callout\; id="3"\; label="L"\; filenames="H2009200426456E00011.png,H2009200426456E00013.png"\; state="\{\{state\}\}">L</figure-callout>}3}^2-\left(\frac{{\mathrm{<figure-callout\; id="3"\; label="L"\; filenames="H2009200426456E00011.png,H2009200426456E00013.png"\; state="\{\{state\}\}">L</figure-callout>}3}^2}{{\mathrm{<figure-callout\; id="1"\; label="L"\; filenames="H2009200426456E00011.png,H2009200426456E00012.png"\; state="\{\{state\}\}">L</figure-callout>}1}^2}\right)x^2}=2L7-\sqrt{4{\mathrm{<figure-callout\; id="7"\; label="L"\; filenames="H2009200426456E00031.png"\; state="\{\{state\}\}">L</figure-callout>}7}^2-\left(\frac{L7}{L11}\right)*{\mathrm{<figure-callout\; id="2"\; label="y"\; filenames="H2009200426456E00011.png,H2009200426456E00012.png"\; state="\{\{state\}\}">y</figure-callout>}}^2}$

Operation principle of the present utility model is:

By rotary handle 12, drive fine adjustment screw 1 successively, reading connecting rod 2 (near-end connecting rod 10), contiguous block 13, transfer member 4, connecting rod 7 and measurement component 8 motions.When two probes 11 of measurement component touched body cavities, the move distance and pointer 14 displacements of probe 11 had a kind of corresponding relation, and this corresponding relation depends on the length of each connecting rod in the linkage.Just can directly read the diameter of body cavities then according to the position on rule of two pointers 14 on the reading connecting rod 2.

Can also can carry by human body natural's tract when entering to body cavities by the speculum forceps road, the front end measurement component is contracted in and carries in the outer tube 9 when being delivered to body cavities, be convenient to be transported to the measuring point of tract, and avoid damaging human body or other apparatuses; During measurement the front end measurement component stretch out outer tube be convenient to the operation.

This utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.

Claims (8)

1. body cavities measuring device, it is characterized in that it mainly comprises fine adjustment screw (1), reading connecting rod (2), reading parts (3), transfer member (4), sleeve pipe (5), holder (6), connecting rod (7), measurement component (8) and conveying outer tube (9), carrying outer tube (9) to be sleeved on sleeve pipe (5) inserts on the end of measuring point, reading parts (3) are fixed on the other end of sleeve pipe (5), transfer member (4) is inserted in the sleeve pipe (5), its end links to each other with fine adjustment screw (1), the other end links to each other with the pin joint of connecting rod (7), the pin joint of the measurement component (8) that is hinged and connected with connecting rod (7) is positioned on the holder (6), and holder (6) is fixedly linked with sleeve pipe (5); The pin joint of reading connecting rod (2) links to each other with its transfer member that moves forward and backward (4) of drive, and the other end of reading connecting rod (2) is hinged and connected with the slide block that is installed on the reading parts (3), and slide block is arranged in the chute on the reading parts (3).

2. body cavities measuring device according to claim 1 is characterized in that described transfer member (4) is individual wire, single steel wire or steel wire strand.

3. body cavities measuring device according to claim 1 is characterized in that described sleeve pipe (5) is metal hose or metal spring pipe, and metal hose or metal spring pipe are naked pipe or the non-naked pipe that covers macromolecule material coating outward.

4. body cavities measuring device according to claim 1 is characterized in that the pin joint of described reading connecting rod (2) is positioned on the contiguous block (13), and an end of contiguous block (13) links to each other with fine adjustment screw (1), and the other end links to each other with transfer member (4).

5. body cavities measuring device according to claim 1, it is characterized in that described reading connecting rod (2) and connecting rod (15) composition quadric chain, the pin joint of the pin joint of reading connecting rod (2) and connecting rod (15) lays respectively at the both sides of reading parts (3), the pin joint of reading connecting rod (2) links to each other with fine setting screw rod (1), the pin joint of connecting rod (15) is fixed on the transfer member (4), and the pin joint that reading connects (2) and connecting rod (15) then is positioned on the slide block that is fixed on reading parts (3).

6. body cavities measuring device according to claim 1, it is characterized in that quadric chain of described reading connecting rod (2) and near-end connecting rod (10) composition, the pin joint of reading connecting rod (2) is fixed on the transfer member (4), and the pin joint of near-end connecting rod (10) links to each other with fine setting screw rod (1).

7. body cavities measuring device according to claim 1 is characterized in that the slide block on the described reading parts (3) is connected with reading pointer (14).

8. body cavities measuring device according to claim 1 is characterized in that on described measurement component (8) and the contacted end of human body probe (11) being installed.

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