CA1089672A - Sleeve with armband - Google Patents
Sleeve with armbandInfo
- Publication number
- CA1089672A CA1089672A CA293,222A CA293222A CA1089672A CA 1089672 A CA1089672 A CA 1089672A CA 293222 A CA293222 A CA 293222A CA 1089672 A CA1089672 A CA 1089672A
- Authority
- CA
- Canada
- Prior art keywords
- cuff
- outer part
- sleeve
- longitudinal axis
- inner part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Abstract
SLEEVE WITH ARMBAND
ABSTRACT OF THE DISCLOSURE
.
The sleeve for measuring blood pressure can be wound and mixed round the patient's arm and is equipped with an inflatable pressure chamber. The sleeve comprises a textile-coated rubber material, which is generally formed from an L-shaped piece of material. For fasten-ing the sleeve at the patients arm there is provided a particular clamp fastener, which is based on the friction properties of the sleeve material.
ABSTRACT OF THE DISCLOSURE
.
The sleeve for measuring blood pressure can be wound and mixed round the patient's arm and is equipped with an inflatable pressure chamber. The sleeve comprises a textile-coated rubber material, which is generally formed from an L-shaped piece of material. For fasten-ing the sleeve at the patients arm there is provided a particular clamp fastener, which is based on the friction properties of the sleeve material.
Description
36~
The invention relates to a sleeve for measuring blood pressure, which is wound and fixed round a part of the patient's body and has an inflatable pressure chamber.
Such sleeves are known per se and are formed either of a continuous rubber cloth, a textile web or a textile cloth lined with a separate rubber tube, with or without a sound pick-up. Earlier, simpler designs of such sleeves, are used as so-called pressure sleeves without means whereby it is simply possible to use a stethoscope for listening to the Korotkoff noise.
Such sleeves may also be provided with a transmitter for transmitting signals ~;
via corresponding lines, for example pneumatic lines (cf. German Offenlegungsschrift No. 19 40 575).
In addition, sleeves are known which consist of a rubber bubble with a fabric covering, the fabric covering having a hook fastening or a burr closure. -The ob~ect of the invention is to provide a sleeve which is simpler to produce and simpler to fasten on the patient's arm.
According to the invention there is provided a device for use in measuring blood pressure comprising: a cuff which is windable around a portion of a body and clamp fastening means for maintaining the cuff in the wound position during use comprising a box-shaped outer part having an open side wall parallel to the longitudinal axis of the outer part and a box-shaped inner part which is movable therein perpendicularly with respect to the longitudinal axis of the outer part and has slots in the end faces thereof -perpendicular to the longitudinal axis of the outer part, a pressure rod fastened to two opposite sides of the outer part and arranged to pass through the slots in the end faces of the inner part to be parallel to the longitu-dinal axis of the outer part, and the cuff being fixed to a side face of the inner part parallel to the longitudinal axis of the outer part and looping the pressure rod in the manner of a hairpin.
A single smooth piece of material may be used as starting material and the cuff or sleeve can be produced by quickly sticking the suitably folded layer. The need for separate sleeve bubble is avoided. It is also ~;
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possible to make the required pressure chamber larger or smaller or with the optimum shape for the corresponding signal instrument rapidly and easily from a single starting piece of cut-out material. By cutting in an appro-priate manner it is also easier than hitherto to provide openings for pipes to the sleeve bubble for filling the chamber with air. This also applies when a third pipe is provided as connecting pipe from the sound pick-up to a sound transducer which is located in the instrument. In addition, the layer of textile is preferably part elastic or rubber elastic.
In an embodiment of the invention an L-shaped piece of the te~tile-coated rubber layer is used as a cut-out piece. Adhesive edges are advan-tageously so arranged in such a way that only a part of the band forms a pressure chamber, in particular in such a way that one longitudinal adhesive edge and several facial adhesive edges and in addition one longitudinal adhesive edge only extends over part of the length. This length is deter-mined by the length of a L-tab so that the compressed air chamber may be made larger or smaller by the shape of this tab by simply adapting the cut-out piece.
An embodiment of the invention is shown in the accompanying draw-ings, in which: ~
Figure 1 is a plan view of a starting piece of material for the -~ ;
arm band before adhesion; ~-Figure 2 is a plan view of the adhered sleeve piece, a chamber for compressed air being shown at the right hand side of this figure, Figure 3 shows an adhered sleeve with a chamber for compressed air ~in the left half and in acoustic chamber located within the compressed air ~ ;
chamber; and Figure 4 is a perspective view of an embodiment of a rapid-action ,~ :~' . :
fastener for use in the invention.
Figure 1 shows a generally L-shaped cut-out piece 1 which is to :. . : :: .:
form the cuff or sleeve. The dot-dash lines indicate the position of sub-sequent fold lines used to produce the cuff shown in Figure 2. In the simplest case, the front faces are stuck and tabs 3 of the L-shaped piece as ;~
The invention relates to a sleeve for measuring blood pressure, which is wound and fixed round a part of the patient's body and has an inflatable pressure chamber.
Such sleeves are known per se and are formed either of a continuous rubber cloth, a textile web or a textile cloth lined with a separate rubber tube, with or without a sound pick-up. Earlier, simpler designs of such sleeves, are used as so-called pressure sleeves without means whereby it is simply possible to use a stethoscope for listening to the Korotkoff noise.
Such sleeves may also be provided with a transmitter for transmitting signals ~;
via corresponding lines, for example pneumatic lines (cf. German Offenlegungsschrift No. 19 40 575).
In addition, sleeves are known which consist of a rubber bubble with a fabric covering, the fabric covering having a hook fastening or a burr closure. -The ob~ect of the invention is to provide a sleeve which is simpler to produce and simpler to fasten on the patient's arm.
According to the invention there is provided a device for use in measuring blood pressure comprising: a cuff which is windable around a portion of a body and clamp fastening means for maintaining the cuff in the wound position during use comprising a box-shaped outer part having an open side wall parallel to the longitudinal axis of the outer part and a box-shaped inner part which is movable therein perpendicularly with respect to the longitudinal axis of the outer part and has slots in the end faces thereof -perpendicular to the longitudinal axis of the outer part, a pressure rod fastened to two opposite sides of the outer part and arranged to pass through the slots in the end faces of the inner part to be parallel to the longitu-dinal axis of the outer part, and the cuff being fixed to a side face of the inner part parallel to the longitudinal axis of the outer part and looping the pressure rod in the manner of a hairpin.
A single smooth piece of material may be used as starting material and the cuff or sleeve can be produced by quickly sticking the suitably folded layer. The need for separate sleeve bubble is avoided. It is also ~;
,. ,: .
, ~ ' ' . ' ~ ' ' . .' , ' ' . . :,',:
, . . : :, 7'~ :
possible to make the required pressure chamber larger or smaller or with the optimum shape for the corresponding signal instrument rapidly and easily from a single starting piece of cut-out material. By cutting in an appro-priate manner it is also easier than hitherto to provide openings for pipes to the sleeve bubble for filling the chamber with air. This also applies when a third pipe is provided as connecting pipe from the sound pick-up to a sound transducer which is located in the instrument. In addition, the layer of textile is preferably part elastic or rubber elastic.
In an embodiment of the invention an L-shaped piece of the te~tile-coated rubber layer is used as a cut-out piece. Adhesive edges are advan-tageously so arranged in such a way that only a part of the band forms a pressure chamber, in particular in such a way that one longitudinal adhesive edge and several facial adhesive edges and in addition one longitudinal adhesive edge only extends over part of the length. This length is deter-mined by the length of a L-tab so that the compressed air chamber may be made larger or smaller by the shape of this tab by simply adapting the cut-out piece.
An embodiment of the invention is shown in the accompanying draw-ings, in which: ~
Figure 1 is a plan view of a starting piece of material for the -~ ;
arm band before adhesion; ~-Figure 2 is a plan view of the adhered sleeve piece, a chamber for compressed air being shown at the right hand side of this figure, Figure 3 shows an adhered sleeve with a chamber for compressed air ~in the left half and in acoustic chamber located within the compressed air ~ ;
chamber; and Figure 4 is a perspective view of an embodiment of a rapid-action ,~ :~' . :
fastener for use in the invention.
Figure 1 shows a generally L-shaped cut-out piece 1 which is to :. . : :: .:
form the cuff or sleeve. The dot-dash lines indicate the position of sub-sequent fold lines used to produce the cuff shown in Figure 2. In the simplest case, the front faces are stuck and tabs 3 of the L-shaped piece as ;~
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well as edges 3a are stuck to the other open sides by means of an adhesive -edge 2 so that a compressed air chamber 4 is formed. Rubberised linen may be used as the material.
Figure 3 shows a sound pick-up 5 closed or reinforced by a cover 6. The sound pick-up is fixed in advance to a backing 7. Air tubes 8 or 9 and 10 serve to connect the sound pick-up to an instrument (cf. for example German Offenlegungsschrift No. 1 940 575). The tubes 9 and 10 are either connected to a compressed air pump or, in the case of a simple pressure cuff sleeve, to a doctor's rubber bellows.
A novel rapid-action fastener is used for fixing ~he cuff to the patient's arm. As shown in ~igure 4 this consists of a box-shaped outer`
part 15 and another box-shaped inner part 14. The inner part is movable within the outer part perpendicularly to the longitudinal axis. An end 11 of the armband is fi~ed to a side wall 18 of the inner part by means of screws 13. A pressure rod 16, preferably of re&tangular cross-section, pass-ing through the inner part is screwed to the faces of the outer part. As the pressure rod 16 is fixed to the outer part 15, the faces of the inner part 14 have to be provided with slots 20 or slits so that the movement of the inner part lS not restricted by the pressure rod 16. The pressure rod 16 thus extends~through the slots 20. The other end 17 of the armband is looped round the pressure rod 16 in the manner of a hairpin. The part running between the pressure rod 16 and the side wall 18 of the inner part 14 forms a loop. A relatively narrow gap remains between the pressure rod 16 and the other side wall 21 when the inner part is in its starting position.
The end of the armband 17 is fed out through this gap. The side wall 21 is roughened or provided with ribs on the side opposite the armband. Compression - ;
springs 22 are arranged between the outer side of the side wall 21 and the `
opposite inner face of the outer part 15 so that the inner part 14 can only be inserted in to the outer part 14 against spring pressure. The inner part 14 is the furthest outside in the starting position. In this way, the cuff is frictionally clamped between the pressure rod 16 and the side wall 21. -. -When applying the cuff, the loop 19 is pushed over the upper arm
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well as edges 3a are stuck to the other open sides by means of an adhesive -edge 2 so that a compressed air chamber 4 is formed. Rubberised linen may be used as the material.
Figure 3 shows a sound pick-up 5 closed or reinforced by a cover 6. The sound pick-up is fixed in advance to a backing 7. Air tubes 8 or 9 and 10 serve to connect the sound pick-up to an instrument (cf. for example German Offenlegungsschrift No. 1 940 575). The tubes 9 and 10 are either connected to a compressed air pump or, in the case of a simple pressure cuff sleeve, to a doctor's rubber bellows.
A novel rapid-action fastener is used for fixing ~he cuff to the patient's arm. As shown in ~igure 4 this consists of a box-shaped outer`
part 15 and another box-shaped inner part 14. The inner part is movable within the outer part perpendicularly to the longitudinal axis. An end 11 of the armband is fi~ed to a side wall 18 of the inner part by means of screws 13. A pressure rod 16, preferably of re&tangular cross-section, pass-ing through the inner part is screwed to the faces of the outer part. As the pressure rod 16 is fixed to the outer part 15, the faces of the inner part 14 have to be provided with slots 20 or slits so that the movement of the inner part lS not restricted by the pressure rod 16. The pressure rod 16 thus extends~through the slots 20. The other end 17 of the armband is looped round the pressure rod 16 in the manner of a hairpin. The part running between the pressure rod 16 and the side wall 18 of the inner part 14 forms a loop. A relatively narrow gap remains between the pressure rod 16 and the other side wall 21 when the inner part is in its starting position.
The end of the armband 17 is fed out through this gap. The side wall 21 is roughened or provided with ribs on the side opposite the armband. Compression - ;
springs 22 are arranged between the outer side of the side wall 21 and the `
opposite inner face of the outer part 15 so that the inner part 14 can only be inserted in to the outer part 14 against spring pressure. The inner part 14 is the furthest outside in the starting position. In this way, the cuff is frictionally clamped between the pressure rod 16 and the side wall 21. -. -When applying the cuff, the loop 19 is pushed over the upper arm
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of the patient. The inner part 14 and outer part 15 are then pressed together with one hand while the free end 17 is drawn out with the other hand until the loop 19 fits tightly on the patient's upper arm. If the rapid-action fastener is now released, the inner part 14 returns to its starting position owing to the pressure of the spring. The clamping action described above thus takes place so that the loop 19 is fixed in this position on the patient's arm. It is then possible to begin measuring the blood pressure. This rapid-action fastener has proved successful both with manual activation and with automatically operating instruments. ~arlier designs of automatically operating instruments frequently gave rise to the problem of interference (crackling) being produced when the pressure chamber was inflated, thus falsifying the measured result. Such interference was either induced by the material or originated from the sleeve fastener which produced crackling noises itself when loaded. Surprisingly, it has now been found that the novel fastener in combination with the sleeve material accord-ing to the invention functions without inducing such interferences.
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of the patient. The inner part 14 and outer part 15 are then pressed together with one hand while the free end 17 is drawn out with the other hand until the loop 19 fits tightly on the patient's upper arm. If the rapid-action fastener is now released, the inner part 14 returns to its starting position owing to the pressure of the spring. The clamping action described above thus takes place so that the loop 19 is fixed in this position on the patient's arm. It is then possible to begin measuring the blood pressure. This rapid-action fastener has proved successful both with manual activation and with automatically operating instruments. ~arlier designs of automatically operating instruments frequently gave rise to the problem of interference (crackling) being produced when the pressure chamber was inflated, thus falsifying the measured result. Such interference was either induced by the material or originated from the sleeve fastener which produced crackling noises itself when loaded. Surprisingly, it has now been found that the novel fastener in combination with the sleeve material accord-ing to the invention functions without inducing such interferences.
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Claims (8)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A device for use in measuring blood pressure comprising: a cuff which is windable around a portion of a body and clamp fastening means for maintaining the cuff in the wound position during use comprising a box-shaped outer part having an open side wall parallel to the longitudinal axis of the outer part and a box-shaped inner part which is movable therein perpendicular-ly with respect to the longitudinal axis of the outer part and has slots in the end faces thereof perpendicular to the longitudinal axis of the outer part, a pressure rod fastened to two opposite sides of the outer part and arranged to pass through the slots in the end faces of the inner part to be parallel to the longitudinal axis of the outer part, and the cuff being fixed to a side face of the inner part parallel to the longitudinal axis of the outer part and looping the pressure rod in the manner of a hairpin.
2. A device according to claim 1 wherein the cuff is of textile-coated rubber.
3. A device according to claim 1, wherein the textile coating is part elastic or rubber elastic.
4. A device according to claim 2, wherein the cuff is formed from a generally L-shaped piece of material.
5. A device according to claim 4, wherein at least one adhesive edge applied transversely to the longitudinal axis of the cuff and the sealing edge form at least one pressure chamber.
6. A cuff according to claim 5, wherein a sound pick-up is placed beneath the sleeve in the pressure chamber.
7. A sleeve according to claim 6, wherein the sound pick-up is placed under a cover.
8. A sleeve according to claim 6 or 7, wherein the sound pick-up is an acoustic chamber which is connected to a display instrument via an air tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA293,222A CA1089672A (en) | 1977-12-16 | 1977-12-16 | Sleeve with armband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA293,222A CA1089672A (en) | 1977-12-16 | 1977-12-16 | Sleeve with armband |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1089672A true CA1089672A (en) | 1980-11-18 |
Family
ID=4110299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA293,222A Expired CA1089672A (en) | 1977-12-16 | 1977-12-16 | Sleeve with armband |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1089672A (en) |
-
1977
- 1977-12-16 CA CA293,222A patent/CA1089672A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |