DE102018104203A1 - Clamp for a door of a medical sensor device, medical sensor device and medical treatment device - Google Patents

Abstract

The present invention relates to a clamp (100) for releasably holding a cover (207) of a receptacle (203) for receiving a portion of a hose (300) in a sensor device (200) in a closed position, with a base body (101) and a first portion (109) and a second portion (111) both extending from the main body (101).

Description

The present invention relates to a clamp according to claim 1. It also relates to a medical sensor device according to claim 6, a medical treatment device according to claim 12 and an arrangement according to claim 14.

Sensor devices are already known in practice, by means of which parameters can be monitored during the treatment of a patient.

An object of the present invention may be to propose a clamp for a cover of a receptacle of a preferably medical, inserted in a medical sensor device, hose. In addition, a medical sensor device and a treatment device are to be specified.

The object of the invention is achieved by a clamp with the features of claim 1. It is further achieved by a medical sensor device having the features of claim 6, by a treatment device having the features of claim 12 and by an arrangement having the features of claim 14.

The clamp of the invention serves to hold a cover of a receptacle which serves to receive a portion of a, preferably medical, tubing in a sensor device in a closed position. In this case, it has a main body with a first portion and a second portion, which both extend from the main body.

The medical sensor device has a housing with a receptacle for a portion of a, preferably medical, hose. Furthermore, it has a cover for closing the receptacle. The device includes a hinge joint, by means of which the cover is connected to the housing. In this case, the cover by means of a hinge joint between a closed position in which the cover closes the receptacle, and an open position in which the cover releases the receptacle, movable. Furthermore, the sensor device has a sensor unit and a clamp according to the invention.

The treatment device according to the invention has at least one sensor device according to the invention.

The arrangement according to the invention has a sensor device according to the invention and a hose section of a preferably medical hose inserted in the sensor device. The tubing section is optionally part of a dialysate and / or filtrate tubing of a tubing set for extracorporeal blood treatment, making it a medical tubing for a medical purpose.

In all of the following, the use of the term "may be" or "may have", etc., is synonymous with "preferably" or "preferably", etc., and is intended to explain embodiments of the invention.

Embodiments of the invention may include one or more of the features mentioned above or below. In this case, the features mentioned herein in any combination may be the subject of embodiments of the invention, unless the skilled person recognizes a concrete combination as technically impossible.

Embodiments of the invention are also the subject of the subclaims and embodiments.

Whenever numerical words are mentioned herein, those skilled in the art will understand these as indicating a numerically lower limit. If this does not result in a contradiction that is recognizable to the person skilled in the art, the person skilled in the art therefore always reads "at least one" or "at least one", for example, when specifying "a" or "one". This understanding is also encompassed by the present invention as the interpretation that a numerical word such as "a" may alternatively be meant as "exactly one" wherever technically possible for those skilled in the art. Both are encompassed by the present invention and apply to all number words used herein.

Whenever an embodiment is mentioned herein, it is an exemplary embodiment of the invention.

The statements "top" and "bottom" are to be understood here in the case of doubt of the skilled person as absolute or relative space indications, which relate to the orientation of the relevant component during its normal use.

The tube referred to herein as "medical" is to be understood as an option; the present invention equally applies to non-medical tubing. The term "medical tube" is therefore an option whereby a medical tube can be understood to mean a tube that is suitable for medical use. For this he can, for example Requirements for his material as "medical grade" meet.

In some embodiments, the clamp has a first niche, recess, undercut, or depression (these terms will be used interchangeably hereinafter). This (r) is located in the region of the transition between the first portion on the one hand and the base body or a bottom thereof, with which it is in contact, on the other hand.

In some embodiments, the clamp has a second niche, recess, undercut or depression (these terms are used interchangeably hereinafter) in the region of the transition between the second section on the one hand and the main body or a lower side thereof, with which it respectively contacts on.

In some embodiments, the first niche of the clamp is formed larger than the second niche.

So the first niche z. B. have a larger diameter or radius than the second niche and / or cover a larger area.

In some embodiments, at least a portion of a central region of the clamp is thicker than portions in the region of the first niche and / or the second niche. This can advantageously reinforce the spring action of the terminal. The section of the middle region can, for. B. in the middle, lie between the two niches. He can connect the two niches.

In some embodiments, a straight line intersects along the length of a portion of the first portion with a longitudinal axis of the second portion. The point of intersection lies on one side of the main body, namely on that of the back of the main body facing.

In some embodiments, the second portion of the clamp has a projection. This lies between the second niche and a lying at the free end of the second portion section. The projection preferably extends toward a central region of the clamp.

In some embodiments, the clamp has no means for attachment to or with a patient's belt, e.g. B. in the form of a belt clip on.

In some embodiments, the clamp does not have openings for passing a belt, more particularly not two or more such openings (a first of which is for passing the belt to one side of the clamp and another for returning the belt to the other side of the clamp would).

In some embodiments, the clamp does not have or is not connected to a belt.

In some embodiments, portions of the first portion and / or the second portion are in proper use of the clamp (such as shown in FIG 8th . 9 or 10 shown) on each side wall of the sensor device and / or on a side surface of the cover.

In some embodiments, no portion of the first portion and / or the second portion are in proper use of the clamp (such as shown in FIG 8th . 9 or 10 shown) on a rear side of the sensor device and / or on a back side of the cover. The clamp thus does not comprise the sensor device in these embodiments, at least not over the side surfaces of the sensor device, as a clip would do.

In some embodiments, the cover of the sensor device is connected to a spring element in spring action. The spring element may be arranged to hold the cover in a snap-lock position.

In some embodiments, the sensor unit comprises an optical sensor. In some embodiments, the sensor is configured to detect blood components in a medical fluid, such as a dialysate and / or filtrate.

In some embodiments, the hinge joint of the sensor device is completely or at least partially surrounded by the first section, is in contact therewith and / or is received, at least in sections, in the first niche.

In these embodiments, moreover, a projection of the cover is surrounded by the second section, is in contact therewith and / or is received in the second niche of the second section.

In some embodiments of the sensor device, a portion of the second portion is configured to press against an outer surface of the housing when the cover is in the closed position.

In some embodiments of the sensor device, the clamp spans the housing of the sensor device over its entire width (as viewed from the front onto the sensor device) by means of the first section and the second section.

In some embodiments of the sensor device, the clamp is releasably connected by means of the first portion and the second portion, which are biased to the hinge joint or to a housing side, respectively.

The clamp may at least partially consist of an elastic material, for. B. a plastic, for. As a thermoplastic material, and / or a metal, for. As a steel or spring steel, or have one of the aforementioned materials.

Suitable materials include thermoplastically filled plastics in question, wherein the thermoplastic allows easy production, and wherein the filling, the z. B. may include glass fibers, which can ensure lasting spring action.

In some embodiments, the medical treatment device is configured as a blood treatment device, in particular as a dialysis device, in particular as a hemofiltration device, hemodialysis device.

In some embodiments, the medical treatment device and / or the medical sensor device are not designed as portable devices, in particular not designed as devices to be worn on the body of the patient.

In some embodiments, the medical treatment device and / or the medical sensor device is not a tip pump.

Some or all embodiments according to the invention may have one, several or all of the advantages mentioned above and / or below.

The clamp of the sensor device according to the invention is wider than the housing and also wider than the cover. It protrudes laterally over the housing. This provides the user with a better opportunity to open the cover, as it finds a better, because larger, attack surface for the fingers.

The above-mentioned projection for gripping the clamp can be configured as comfortable as a grip portion in some embodiments according to the invention. This can allow any convenient gripping the releasably connected to the cover terminal for opening / closing the cover.

Although the supernatant or the handle section may increase the risk that z. As hoses, doctor's gown or the like to hang on supernatant or handle portion and unintentionally open the associated with the terminal cover in this way. However, this presumed risk is counteracted by the fact that the clamp presses against a lateral surface of the housing by means of its second section and can thus be held under constructive or by material selection arbitrarily large adjustable pretension.

Another advantage may be that achievable by means of the terminal additional assurance of the closure of the cover. Thus, when inserting a portion of an optional medical tubing into the receptacle, secure retention of the cover in the closed position can be ensured.

The terminal can advantageously be retrofitted to existing systems.

• 1 zeigt eine erfindungsgemäße Klemme in Perspektive mit Blick von schräg oben auf deren Vorderseite;
• 2 zeigt die Klemme der 1 in einer Perspektive mit Blick von schräg oben auf deren Rückseite;
• 3 zeigt die Klemme der vorangegangenen Figuren von der Seite, wobei die Vorderseite oben und die Rückseite unten liegt;
• 4 zeigt die Klemme der vorangegangenen Figuren in der Ansicht der 3;
• 5 zeigt eine Ausführungsform der erfindungsgemäßen Sensorvorrichtung mit einem Gehäuse und einer darin vorgesehenen Aufnahme für einen Abschnitt eines nicht gezeigten medizinischen Schlauchs;
• 6 zeigt die erfindungsgemäße Sensorvorrichtung der 5 in Perspektive von schräg vorne oben;
• 7 zeigt Ausschnitte der erfindungsgemäßen Sensorvorrichtung der 5 und 6 in Perspektive und Vergrößerung;
• 8 zeigt die erfindungsgemäße Sensorvorrichtung der 5 bis 7 in geschlossener Stellung mit zugehöriger Klemme in Perspektive von schräg vorne oben;
• 9 zeigt die erfindungsgemäße Sensorvorrichtung der 5 bis 8 in der Ansicht der 8; und
• 10 zeigt eine Ausführungsform der erfindungsgemäßen Behandlungsvorrichtung mit in die Sensorvorrichtung eingelegtem Abschnitt eines medizinischen Schlauchs.

The present invention will be explained in the following with reference to the accompanying drawings, in which like reference numerals designate the same or similar components, by way of example. In the figures:

• 1 shows a clamp according to the invention in perspective with a view obliquely from above on the front side;
• 2 shows the clamp of 1 in a perspective view from diagonally above on the back;
• 3 shows the clamp of the preceding figures from the side, the front is up and the back is down;
• 4 shows the terminal of the preceding figures in the view of 3 ;
• 5 shows an embodiment of the sensor device according to the invention with a housing and a receptacle provided therein for a portion of a medical tube, not shown;
• 6 shows the sensor device according to the invention the 5 in perspective from diagonally up front;
• 7 shows sections of the sensor device of the invention 5 and 6 in perspective and magnification;
• 8th shows the sensor device according to the invention the 5 to 7 in closed position with associated clamp in perspective obliquely from above above;
• 9 shows the sensor device according to the invention the 5 to 8th in the view of 8th ; and
• 10 shows an embodiment of the treatment device according to the invention with inserted into the sensor device portion of a medical tube.

1 shows the clamp according to the invention 100 in a first embodiment.

the clamp 100 has a basic body 101 on, the at least one side 102 , a front side 103 and a back 105 (please refer 2 ) Has.

The backside 105 may be flat or flat, or have flat or flat sections.

The main body 101 has an optional through hole in a central portion thereof 107 on. It connects the front 103 with the back 105 , Through them remains a color mark on the sensor device 200 ( 5 and following) optionally provided, advantageously still visible.

From the back 105 of the basic body 101 extends both a first section 109 as well as a second section 111 , Both sections 109 . 111 can each be designed as an arm.

Both sections 109 . 111 stand in the example of 1 at an angle to the back 105 , Therefore, the longitudinal axes of the first section run 109 and the second section 111 not parallel to the longitudinal axis of the body 101 or the back 105 at least not exclusively.

2 shows the clamp 100 of the 1 in a perspective from diagonally above with a view of the back 105 ,

3 shows the clamp 100 the previous figures from the side and overlooking the side or side surface 102 , wherein, based on the viewing direction of the 3 , the front 103 above and the back 105 is below.

As in 3 indicated by dashed lines, one intersects the length of a portion of the first section 109 laid or imaginary straight line with a longitudinal axis of the second section 111 on the back 105 facing side of the body 101 ,

In the in 3 embodiment shown form the first section 109 and the second section 111 together an undercut. The undercut extends from a first niche 109a up to a second niche 111 , which in the transition of the first section 109 or the second section 111 each to the back 105 are formed. The two niches 109a and 111 can in the side view of the 3 or in a longitudinal section through the clamp 100 , which by way of example of the embodiment of the 3 also along the optional through hole 107 would be called recesses or depressions. The section 102 is optionally thicker in a central area than in the area of the niche 109a and 111 to advantageously increase the spring action.

Like the arrows of the 3 suggest, points the clamp 100 a spring action, the material due to a spreading of the two sections 109 and 111 away from each other only against this spring action allowed. Between the first section 109 and the second section 111 recorded objects can, assuming appropriate dimensions, thus by means of and between the first and second section 109 . 111 be jammed. This also explains the term "clamp" for the item 100 ,

4 shows the clamp 100 the previous figures in the view of 3 ,

The attention of the 4 is on the arrow of the 4 directed. He points to the niche 111 , This becomes to its top from the back 105 of the basic body 101 and to its underside by a projection 111b of the second section 111 limited.

The lead 111b which can already be seen in the preceding figures can, as in 4 shown to have the shape of a portion of a barb. In any case, he can become a niche 111 be wider than in sections further away from the niche 111 lie.

The lead 111b is designed to snap a further component, such as the cover 207 the following figures who pass him in the niche 111 slides, allow. However, due to its barb shape, it prevents unwanted slipping out of the component from the niche 111 ,

The second section 111 has a section 111c on, which in the region of the free end of the second section 111 can lie.

The subsection 111c is closer to a central region of the body 101 (in the longitudinal direction of the body 101 in 4 So in a right-left direction in 4 ) as the niche 111 and / or the lead 111b , In this way, a bias is ensured when the clamp 100 on the case 201 the sensor device shown in the following figures 200 is put on.

As 4 can be seen further, closes the second section 111 a grip section 113 at. This allows the gripping with the cover 207 connected terminal 100 ,

The grip section 113 can, as in 4 shown by way of example, have a U-shape. Other forms are also included in the present invention.

The entry into the undercut, the bottom of the first niche 109a to the bottom of the second niche 111 ranges, is denoted by L_H and refers to a condition in which the clamp 100 is not mounted or otherwise not kept under tension.

5 shows a sensor device according to the invention 200 with a housing 201 , The housing 201 has a recording provided therein 203 for a section of a first in 10 shown, preferably medical, hose 300 ,

The recording 203 can be like in 5 be exemplified be a hose channel or have.

The housing 201 is by means of a hinge joint 205 with a cover 207 connected. The cover 207 is scheduled to take the picture 203 at its top, based on the viewing direction of 5 to close with the aim of having an existing section of the tube 300 not unintentionally from the recording 203 can slip out.

The cover 207 can take a lead 209 have, with which the portion of the hose 300 by means of the cover 207 reliable in the recording 203 can be held. In addition, by means of the projection 209 a predefined position of the section of the hose 300 in the recording 203 be ensured. The latter can be measurements, which by means of a not shown sensor unit of the sensor device 200 on the hose 300 or should be made therethrough, reproducible and thus contribute to the safety of the patient advantageous.

The optional advantage 209 in turn can be a snap or catch projection 209a exhibit. This one can, as in 5 shown, side of the projection 209 stand out, z. B. direction parallel to the main extension plane of the cover 207 , The catch projection 209a Can be sized to fit in an optional detent recess 203a the recording 203 (or in another depression) to be able to intervene. This engagement may be a first backup of the cover 207 against it, that it opens unintentionally. Catch projection 209a and detent recess 203a can form a snap or a snap closure.

The unwanted opening of the latch or the snap closure can also be prevented by a bias between locking projection 209a and detent recess 203a is provided.

The unwanted opening can be additionally or alternatively prevented by a spring element 211 is provided, which acts on the aforementioned components, that the locking projection 209a continue towards or into the detent recess 203a is pressed into it.

As 5 it can be seen, the cover 207 by means of the hinge joint 205 thus between a closed position, in which the cover 207 the recording 203 closes, and an open position in which the cover 207 the recording 203 releases, moves.

The cover 207 has a lead 207a on which at the hinge joint 205 opposite end of the cover 207 is provided. The cover 207 ends with the lead 207a , head Start 207a and cover 207 can lie in one plane or join together in a common plane. The lead 207a can be beneficial to the cover 207 to open by finger, if the clamp is not mounted.

The cover 207 has an overall extension L_207 , The direction in which L_207 runs can be optionally understood as latitude or longitude.

The total extension L_207 is to achieve a jamming of the cover 207 in the too 3 and 4 discussed undercut advantageously larger than the width or total extent L_H the entry hole in the undercut (in a direction from front to back) when the clamp is in the relaxed state.

For reasons of clarity, the clamp according to the invention 100 the sensor device 200 in 5 not shown.

6 shows the sensor device according to the invention 200 of the 5 in perspective obliquely from the top front in an open state of the cover 207 ,

7 shows sections of the sensor device according to the invention 200 of the 5 and 6 in perspective and magnification in a closed state of the cover 207 ,

8th shows the sensor device according to the invention 200 of the 5 to 7 in perspective from diagonally up front.

First time in 8th is the sensor device 200 together with the associated terminal 100 shown.

As 8th can be seen, meets the special design of the terminal 100 in cooperation with the other components of the sensor device 200 at least two functions.

To the first function: As shown, the clamp engages around 100 with her first niche 109a of the first section 109 the cover 207 in the area of the hinge joint 205 completely or at least proportionally (preferably in particular in a direction about the axis of rotation and in a direction along the axis of rotation) and puts the clamp 100 so at this end of the clamp 100 at least on one side positively on the cover 207 firmly.

Furthermore, the clamp engages around 100 with her lead 111b of the second section 111 the lead 207a the cover 207 , The lead 207a thus comes in the second niche 111 for lying. the clamp 100 is therefore at this end of at least one side - and thus a total - form-fitting fixed. The cover 207 can thus by moving the clamp 100 around the axis of rotation of the hinge joint 205 be pivoted, so be opened or closed.

To the second function: how 8th it can also be seen holding the clamp 100 the cover 207 in her in 8th shown closed position by holding both the cover 207 in the area of the hinge joint 205 by means of her first section 109 includes, so that the area of the hinge joint 205 at least in sections in the first niche 109a lies, and by means of the subsection 111c of the second section 111 against an outer surface of the housing 201 the sensor device 200 suppressed. In this way, a force and a positive connection between the housing 201 and clamp 200 or between clamp 200 and cover 207 achieved. The between the clamp 100 and the housing 201 arranged cover 207 is from the terminal 100 firmly held in place, here in its closed position.

the clamp 100 also enforces optionally the positive connection between the locking projection 209a and the detent recess 203a , It can thereby advantageously prevent the connection between locking projection 209a and detent recess 203a unintentionally releases or opens.

The reference number 213 denotes printed conductors which are connected to the sensor unit.

9 shows the sensor device according to the invention 200 of the 5 to 8th in the view of 8th ,

The one for the 8th described force and form fit relevant geometric points or sections, by means of which the terminal 100 on the housing 201 being held under pretension, are in 9 marked by arrows.

10 shows schematically simplified sections of a treatment device according to the invention 400 with a sensor device according to the invention 200 into which a section of a hose 300 is inserted.

The sensor device 200 is part of a machine interface 403 , With the treatment device 400 is a blood filter 401 connected. The dialysate and / or filtrate line of the blood filter is inserted in the sensor unit and with the clamp 100 secured.

LIST OF REFERENCE NUMBERS

100

clamp

101

body

102

Side or side surface

103

front

105

back

107

Through opening

109

first section

109a

first niche or depression

111

second part

111

second niche or depression

111b

head Start

111c

part Of

113

handle portion

200

sensor device

201

casing

203

admission

203a

Latching recess

205

hinge joint

207

cover

207a

head Start

209

head Start

209a

Catch projection

211

spring element

213

conductor tracks

300

Hose, optional medical hose

400

treatment device

401

Blood filter / dialyzer

403

machine interface

L_207

Total extension of the cover 207 in width or length

L_H

Total extension of the undercut of the clamp 100

Claims (14)

A clamp (100) for releasably holding a cover (207) of a receptacle (203) for receiving a portion of an optional medical tubing (300) in a sensor device (200) in a closed position - A base body (101) and a first portion (109) and a second portion (111), both of which extend from the base body (101). Clamp (100) to Claim 1 , wherein in each case in the region of the transition between the first portion (109) or the second portion (111) and the base body (101) or a bottom thereof, with which they are respectively in contact, a first niche or depression (109a) or ., a second recess or recess (111a) is formed. Clamp (100) to Claim 1 or 2 wherein the first niche or depression (109a) is larger than the second niche (111a). A clamp (100) according to any preceding claim, wherein a straight line defined by the length of a portion of the first section (109) intersects a longitudinal axis of the second section (111) on the side of the body (101) facing the back (105 ) of the main body (101) faces. Clamp (100) according to one of Claims 2 to 4 wherein the second portion (111) has a projection (111b) which lies between the niche (111a) and a portion (111c) located at the free end of the second portion (111). A sensor device (200) comprising - a housing (201) having a receptacle (203) for a portion of a blood tube; - A cover (207) having a length (L_207) for closing the receptacle (203); - a hinge joint (205), by means of which the cover (207) is connected to the housing (201), wherein the cover (207) by means of the hinge joint (205) between a closed position, in which the cover (207) the receptacle (207) 203), and an open position in which the cover (207) releases the receptacle (203) is movable; a sensor unit; - A terminal (100) according to one of Claims 1 to 5 , Sensor device (200) after Claim 6 wherein the cover (207) is connected to a spring element in spring action. Sensor device (200) after Claim 6 or 7 wherein the sensor unit comprises an optical sensor, in particular configured for detecting blood components in a medical fluid, in particular in dialysate and / or filtrate. Sensor device (200) according to one of Claims 6 to 8th in which - the hinge joint (205) is surrounded by or in contact with the first section (109) or received in the recess (109a) of the first section (109), and wherein - a projection (207a) of the cover (207 ) is surrounded by or in contact with the second portion (111) or received in the niche (111a) of the second portion (111). Sensor device (200) according to one of Claims 6 to 9 wherein a portion (111c) of the second portion (111) is configured to press in the closed position of the cover (207) against an outer surface of the housing (201). Sensor device (200) according to one of Claims 6 to 10 wherein the clamp (100) forces a positive fit between a latching projection (209a) of the cover (207) of a latching depression (203a) of the housing (201). Medical treatment device (400), - with at least one sensor device (200) according to one of Claims 6 to 11 , Medical treatment device (400) after Claim 12 , configured as a blood treatment device, in particular as a dialysis device, in particular as a hemofiltration device, hemodialysis device. Arrangement with a sensor device (200) according to one of Claims 6 to 11 and a tube section (300) inserted into the sensor device (200), wherein the tube section is part of a dialysate and / or Filtrate line of a tubing set for extracorporeal blood treatment is.

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