CN203458661U - Catheter fixer - Google Patents

Abstract

The invention discloses a catheter fixer, which comprises two half parts (3, 4) movably connected with each other, an engagement block (10) combined to the two half parts, and a locking mechanism (8) used for locking the two half parts. The two half parts are capable of being moved within an opening/closing limit and a holding hole (6) used for fixing a catheter is arranged between the two half parts. The engagement block is arranged to extend away from the planes of the two half parts around the holding hole. The locking mechanism is composed of at least one protrusion (18) arranged on one half part, and at least one recess (19) arranged on the other half part and matched with the at least one protrusion to realize the locking effect. Each half part is provided with at least one connecting hole (17) used for being connected with a fixing device. The at least one protrusion (18) and the at least one recess (19) are mutually matched on only one side of the fixer. According to the technical scheme of the utility model, the catheter fixer can be closed with only one hand, or can also be opened through slightly lifting a handle. Therefore, the catheter fixer is convenient to operate for users.

Description

Conduit retainers

Technical field

This utility model relates to a kind of conduit retainers, relates more specifically to a kind of conduit retainers with the two half-unit of flexible connection.

Background technology

Conduit retainers is for being fixed on conduit with it patient.For example U.S. Patent No. 5,069,206 disclose a kind of endotracheal tube clutch, accompanying drawing 10 referring to the application, it comprises semicircular two half- unit member 101 and 102, lays respectively at female locking component 103 and the male locking component 104 on two half-unit member and sting piece (not shown), has two holes 105 and 106 that circular diameter is different on two half-unit member.Wherein public locking component 104 is formed with jagged tooth 107 on its bilateral, and this jagged tooth 107 engages with the zigzag groove 108 that is formed on bilateral in female locking component, thereby locks this clutch 10.When opening clutch, need two handss that the left and right two halves of holder are pressed round about or tooth bar is directly cut off, thereby tooth 107 and groove 108 are disengaged.There are a lot of defects in the design of this clutch, for example opening procedure is comparatively required great effort, can only be for clamping the endotracheal tube of two kinds of diameters, and the cleaning in inconvenient oral cavity etc.

Utility model content

The purpose of this utility model is to provide a kind of conduit retainers, and it is easy to closed and opens.

Another object of the present utility model is to provide a kind of conduit retainers, and it can be used for fixedly a series of conduits of wide region caliber.

An also object of the present utility model is to provide a kind of conduit retainers, and it can be used in and prevents that patient stings bad conduit.

An also object of the present utility model is to provide a kind of conduit retainers, and it can be used in the conduit fixedly with attachment tube.

A this utility model also object is to provide a kind of conduit retainers, and by suitable processing technique, it can provide a kind of good patient's comfort level.

A this utility model also object is to provide a kind of conduit retainers, by different fixed forms (such as adhesive tape, self-adhering fascia, special-purpose binder etc.), for using the various clinical application of endotracheal tube, provides suitable selection.

This utility model provides a kind of conduit retainers, comprising: the two half-unit being flexibly connected each other, and described two half-unit can be moved between maximum folding position, has the holding hole for A/C between described two half-unit; Be attached to the piece of stinging of two half-unit, described in sting piece and around described holding hole, extend the plane of leaving two half-unit place; For locking the locking mechanism of two half-unit in the close position, described locking mechanism comprises at least one projection being arranged in one of them half portion, and is arranged on coordinating to enter line-locked at least one depression with described at least one projection in another half portion; Be arranged in each half portion, for being connected and fixed at least one connecting hole of device; It is characterized in that, described at least one projection and described at least one depression only cooperatively interact on one-sided.

Preferably, described at least one projection is zigzag ratchet, and described at least one depression is the zigzag sour jujube groove that coordinates with ratchet, when conduit within the specific limits of conduit retainers fixing diameter described in ratchet and described sour jujube groove can be bonded with each other.

Preferably, arrange from this extended bar of half therein in one and half portions, described at least one projection is arranged in a side of described bar.

Preferably, the afterbody of being convenient to lift in the end setting of described bar, described afterbody lateral widening.

Preferably, it is characterized in that, in there is no the state of fixing conduit, described in when described two half-unit is in the close position, holding hole is slot, and comprise the arc profile of a pair of the first diameter, each half portion comprises in the arc profile of described a pair of the first diameter, the central angle of the arc profile of described the first diameter is less than 180 °, and described the first diameter corresponding to described conduit retainers can be fixing the maximum gauge of conduit, in there is no the state of fixing conduit, when described two half-unit is in the close position, ultimate range between the arc profile of described a pair of the first diameter corresponding to described conduit retainers can be fixing the minimum diameter of conduit.

Preferably, described holding hole comprises the arc profile of at least one Second bobbin diameter, described Second bobbin diameter is corresponding to the diameter of attachment tube, the arc profile of described at least one Second bobbin diameter is put together by the symmetric part in two half-unit, and the central angle of the arc profile of described Second bobbin diameter is less than or equal to 180 °.

Preferably, described two half-unit is flexibly connected mutually by the pin of the pin-and-hole through in two half-unit, and the wall of described two half-unit around thickens at pin-and-hole.

Preferably, the spacing profile cooperatively interacting is set in two half-unit, the open position of restriction two half-unit.

Preferably, in one and half portions, a pair of baffle plate is set therein, this is the width corresponding to described locking mechanism to the width between baffle plate, limits the motion of described locking mechanism on the thickness direction of described half portion.

Preferably, described in sting the cross section of piece at the part place with tooth contact and there are two flat relative edges, and described in sting piece cross section there is the corner profiles of sphering.

Preferably, the cross section of stinging piece described in is the rectangle of bight sphering.

Preferably, described in sting piece outer surface be coated with silica gel skin, described in sting piece inner surface be coated with silica gel internal layer, the outer and silica gel internal layer of described silica gel is stung piece formation a plurality of the first through holes by running through interconnect.

Preferably, on the two sides, front and back of described two half-unit, be coated with layer of silica gel, have the connecting hole being communicated with the connecting hole of described two half-unit in described layer of silica gel, the second through hole that the layer of silica gel on former and later two sides forms by a plurality of half portions of running through interconnects.

Preferably, the edge of at least one half portion is formed with recessed bending section.

Preferably, the slit of described connecting hole for tilting forms symmetrically respectively two described connecting holes in each half portion.

Preferably, described connecting hole can engage with the highly-breathable adhesive tape for A/C holder.

Preferably, described connecting hole can engage with the belt for A/C holder, this belt is formed by connecting by dismountable two parts, and the material of described belt can be cotton, self-adhering fascia or silica gel, belt two parts by or viscosity or the hasp of self-adhering fascia itself interconnect.

This utility model can be realized following beneficial effect:

1. can two half-unit be buckled together with a hands to handled easily.

2. this conduit retainers can be applicable to the different caliber in certain limit, and the position by adjusting and locking mechanism can re-start location in long-time use.

3. sting piece and be coated with silica gel, armour tubing, takes care of one's teeth and escapes injury on the other hand on the one hand.

4. this utility model and patient's face have little contact area, and this produces less compressing to skin and therefore greatly reduces discomfort.

5. can hold well the attached conduit of intubate, as EVAC sputum aspirator tube, double channel catheter attachment tube etc.

6. conduit retainers can also can, for belt connection mode, provide more choices according to different customs for meeting different clinical application and operator for adhesive tape connection mode.

7. the groove of holder both sides is for having reserved space, handled easily in cleaning oral cavity.

Accompanying drawing explanation

From the preferred embodiment of describing below in conjunction with accompanying drawing, can understand better the technical solution of the utility model and technological merit thereof, in the accompanying drawings:

Fig. 1 illustrates the front view of conduit retainers, and wherein conduit retainers is in the close position in the situation that there is no fixing conduit.

Fig. 2 illustrates the rear perspective view of the conduit retainers in Fig. 1.

Fig. 3 illustrates the front perspective view with one and half portions of the bar stretching out.

Fig. 4 illustrates the rear perspective view of another half portion.

Fig. 5 illustrates the layer of silica gel for one of them half portion.

Fig. 6 illustrates the layer of silica gel for another half portion.

Fig. 7 illustrates the decomposition rear perspective view of conduit retainers.

Fig. 8 illustrates the conduit retainers of using together with adhesive tape.

Fig. 9 illustrates the conduit retainers of using together with belt.

Figure 10 illustrates the conduit retainers of prior art.

The specific embodiment

Conduit retainers of the present utility model can be for various conduits, thereby can firmly effectively conduit be fixed, and prevent that conduit is movable, dislocation and unexpected shifting out.For the purpose of illustration, the endotracheal tube of take below is elaborated as example.

With reference to Fig. 1-7, conduit retainers of the present utility model shown in it.This conduit retainers comprises left side 3 and right-hand part 4.This two half-unit is flexibly connected each other, for example, by the hinge shown in figure, realized and being flexibly connected, and wherein pin 5, through being respectively formed at the pin-and-hole on left side 3 and right-hand part 4 one end, can move left side 3 and right-hand part 4 between maximum folding position.Left side 3 and right-hand part 4 for example can be made by plastic material.The wall of described two half-unit around thickens at pin-and-hole, is destroyed preventing by pin.Preferably, two half-unit lower end arranges spacing profile 24, and the open position of restriction two half-unit, can only be opened to a certain degree two half-unit, and this guarantees that the enough of endotracheal tube enters space the operating time that reduces two half-unit to be buckled together.

Preferably, the edge of at least one half portion is formed with recessed bending section 16, being conducive in oral cavity to observe, operation and from both sides suction sputum.

Between left side 3 and right-hand part 4, there is the holding hole 6 for fixing endotracheal tube, referring to Fig. 1, when conduit retainers does not have fixing conduit, when two half-unit is in the close position, the hole that this holding hole 6 is elongated shape.This holding hole 6 comprises a pair of the first relative arc profile 21, forms respectively one of them first arc profile 21 on left side 3 and right-hand part 4.In order to make the endotracheal tube that holding hole 6 can fixing multiple diameter, the central angle of this first arc profile 21 is less than 180 °.The diameter of this first arc profile 21 corresponding to conduit retainers can fixing the diameter of maximum conduit.In there is no the state of fixing conduit, when two half- unit 3,4 is in the close position, this to the ultimate range between the first arc profile 21 corresponding to conduit retainers can fixing the minimum diameter of conduit.

This holding hole 6 also comprises a pair of the second arc profile 7, in illustrated example, the second arc profile 7 lays respectively at the two ends up and down of holding hole 6, each second arc profile 7 is put together by the Symmetrical Circular Arc outline portion in left and right two half- unit 3,4, as shown in Figure 1.The second arc profile 7 can be used for clamping the tube-carrier of endotracheal tube, for example tube-carrier or the EVAC sputum aspirator tube for inflating.As thinkable in those skilled in the art institute, the second arc profile 7 can be omitted, or one or more than two the second arc profiles 7 can be arranged.The position of the second arc profile also can change, for example, second arc profile is set in the centre position of each the first arc profile 21.The central angle of profile 7 can be set to 180 ° or be less than 180 ° as required.

The front and rear surfaces of two half-unit is covered with layer of silica gel 13, and the soft silica gel of matter makes directly to contact more comfortable with skin.In two half-unit, be formed with a plurality of through holes 14, for connecting the layer of silica gel that is positioned at half front surface and half rear surface, this makes silica gel more reliable with being connected of each half portion, prevents that silica gel is because patient's interlock comes off.Certain pattern can be arranged or form to these through holes 14, for example, form the sign 15(of Covidien referring to Fig. 4).

Described conduit retainers also comprises being attached to stings piece 10 on left right- hand part 3,4, for preventing that endotracheal tube is because patient's interlock is closed or bites broken.In example shown in the drawings, sting piece 10 and extend to both sides around holding hole 6 and in the plane perpendicular to left right- hand part 3,4, wherein short in the upwardly extending distance in the side of half front side, at the upwardly extending distance in the side of half rear side.As is known to the person skilled in the art, stinging piece can only extend in rear direction.Stinging piece 10 can form as one with corresponding half portion 3,4, or forms independent parts, is then assembled in corresponding half portion 3,4.

The tooth of considering people is flat, and stinging the face that piece 10 contacts with tooth is plane, and for example the whole piece outline of stinging is the rectangular-shaped of drift angle rounding.In addition, the outer surface of stinging piece 10 is covered with silica gel skin 11, and it takes care of one's teeth and escapes injury.The inner surface of stinging piece 10 is also covered with thin silica gel internal layer 12, so as to increase with by the mantle friction of the endotracheal tube of fixing, thereby make fixing more firmly effectively.Run through the wall thickness of stinging piece 10 and be formed with a plurality of through holes 22, silica gel outer 11 and silica gel internal layer 12 interconnect by the plurality of through hole 22.

Conduit retainers of the present utility model also comprises for locking the locking mechanism 8 of two half-unit.In embodiment shown in the figure, locking mechanism 8 comprises from left side the bar 20 that 3 upper end bending extension forms, and is formed with at least one projection, a plurality of ratchets 18 for example on the downside of bar 20.In the upper end of right-hand part 4, form at least one recess, a plurality of sour jujube grooves 19 for example, thereby a plurality of ratchet 18 cooperatively interacts and locks this conduit retainers with a plurality of sour jujube grooves 19.In the diameter range of the endotracheal tube allowing corresponding to holding hole 6, when endotracheal tube is retained in holding hole 6, described ratchet 18 can stably engage mutually with described sour jujube groove 19.

According in conduit retainers of the present utility model, the ratchet 18 and the sour jujube groove 19 that are bonded with each other only cooperatively interact on one-sided, and ratchet 18 is only arranged on the downside of bar 20, coordinate unilaterally with the sour jujube groove 19 being arranged on the top of right-hand part 4.This is different from the locking mechanism that in prior art, ratchet and sour jujube groove cooperatively interact on bilateral, and for example U.S. Patent No. 5,069,206, wherein, because tooth and groove cooperatively interact on both sides, therefore opens comparatively difficulty.By said structure of the present utility model, locking mechanism 8 can be closed by hands of operator, and it is also very convenient to open, and only the afterbody of bar 10 9 need be lifted gently, therefore simple to operation.

Preferably, for ease of operator's operation, at the afterbody 9 of the end of bar 20, on fore-and-aft direction, widen, this afterbody can be raised to reorientate endotracheal tube, and this often needs when long-time use.

Preferably, a pair of baffle plate 23 is set on right-hand part 4, and this is the thickness corresponding to the fore-and-aft direction of bar 20 to the width between baffle plate 23, for limiting the motion on thickness or figure fore-and-aft direction of described locking mechanism, prevent left and right two halves front-back staggered, cause solid failure.

Conduit retainers of the present utility model also comprises at least one connecting hole 17 being arranged in each half portion, and described connecting hole is for being connected to patient's head by holder.In the embodiment illustrating in the drawings, connecting hole 17 slit for tilting forms symmetrically in described two half-unit, this connecting hole can restricted conduit holder at the degree of freedom of level and vertical direction.In each half portion, form respectively two connecting holes 17.Layer of silica gel 13 in two half-unit front and rear surfaces has the connecting hole corresponding with connecting hole 17.

There are two kinds of modes that holder is fixed to patient's head.A kind of is by medical adhesive tape (as shown in Figure 8), and another kind is by belt (as shown in Figure 9).In the first connected mode, connecting hole 17 engages with medical adhesive tape 1, and described adhesive tape has good breathability and can not cause skin allergy.In the second connected mode, connecting hole 17 engages with belt 2.Belt 2 need possess certain elasticity, can regulate according to different head circumferences, and its two ends can removably interconnect, and for example viscosity or the hasp by shackle device or self-adhering fascia itself interconnects.Belt 2 need be made and can not caused skin allergy or discomfort in life-time service by soft material, and this material can be cotton, non-woven fabrics, silica gel or other suitable material.

Preferably, the overall dimensions of conduit retainers is corresponding to people's face physiological feature, thereby conduit retainers is not interfered with nose or other face organ, and can not be swallowed.

The following describes the operation of conduit retainers of the present utility model:

1. endotracheal tube is inserted in patient mouth, until conduit is arranged in the correct position of patient's trachea;

2. conduit retainers is located at sidepiece around conduit, and the piece of stinging of holder is inserted in patient mouth;

3. around pin, rotate two half-unit and engage locking mechanism;

4. when using adhesive tape connection mode, adhesive tape sticking is facial to patient; When using belt connection mode, by the longer one end of belt through the gap between patient's cervical region and bed to opposite side, viscosity or hasp by shackle device or self-adhesion belt itself are fixed to the shorter one end of belt by the longer one end of belt.

In addition, although scheme of the present utility model is described out for the embodiment of example, this utility model is not limited to above-mentioned specific embodiment, but can make multiple change by those skilled in the art in the scope limiting in claim.

Reference numeral

1. adhesive tape

2. belt

3. left side

4. right-hand part

5. pin

6. holding hole

7. the second arc profile

8. locking mechanism

9. afterbody

10. sting piece

11. silica gel are outer

12. silica gel internal layers

13. layer of silica gel

14. through holes

15. identification patterns

16. bending sections

17. connecting holes

18. ratchets

19. sour jujube grooves

20. bars

21. first arc profiles

22. through holes

23. baffle plates

24. spacing profiles

Claims (17)

1. a conduit retainers, comprising:

The two half-unit (3,4) being flexibly connected each other, described two half-unit can be moved between maximum folding position, has the holding hole (6) for A/C between described two half-unit;

What be attached to two half-unit stings piece (10), described in sting piece and around described holding hole, extend the plane of leaving two half-unit place;

For locking the locking mechanism (8) of two half-unit in the close position, described locking mechanism comprises at least one projection (18) being arranged in one of them half portion, and is arranged on coordinating with described at least one projection to enter line-locked at least one depression (19) in another half portion;

Be arranged in each half portion, for being connected and fixed at least one connecting hole (17) of device;

It is characterized in that, described at least one projection (18) and described at least one depression (19) only cooperatively interact on one-sided.

2. conduit retainers according to claim 1, it is characterized in that, described at least one projection (18) is zigzag ratchet, described at least one depression (19) is the zigzag sour jujube groove coordinating with ratchet, when conduit within the specific limits of conduit retainers fixing diameter described in ratchet and described sour jujube groove can be bonded with each other.

3. conduit retainers according to claim 1, is characterized in that, arranges from the extended bar of this half (20) therein in one and half portions, and described at least one projection (18) is arranged in a side of described bar.

4. conduit retainers according to claim 3, is characterized in that, the afterbody of being convenient to lift in the end setting of described bar (20), described afterbody lateral widening.

5. according to the conduit retainers described in any one in claim 1-4, it is characterized in that, in there is no the state of fixing conduit, described in when described two half-unit is in the close position, holding hole (6) is slot, and comprise the arc profile (21) of a pair of the first diameter, each half portion comprises in the arc profile of described a pair of the first diameter, the central angle of the arc profile of described the first diameter is less than 180 °, and described the first diameter corresponding to described conduit retainers can be fixing the maximum gauge of conduit, in there is no the state of fixing conduit, when described two half-unit is in the close position, ultimate range between the arc profile of described a pair of the first diameter corresponding to described conduit retainers can be fixing the minimum diameter of conduit.

6. conduit retainers according to claim 5, it is characterized in that, described holding hole (6) comprises the arc profile (7) of at least one Second bobbin diameter, described Second bobbin diameter is corresponding to the diameter of attachment tube, the arc profile of described at least one Second bobbin diameter is put together by the symmetric part in two half-unit, and the central angle of the arc profile of described Second bobbin diameter is less than or equal to 180 °.

7. conduit retainers according to claim 1, is characterized in that, described two half-unit is flexibly connected mutually by the pin (5) through the pin-and-hole in two half-unit, and the wall of described two half-unit around thickens at pin-and-hole.

8. conduit retainers according to claim 1, is characterized in that, the spacing profile cooperatively interacting is set in two half-unit, the open position of restriction two half-unit.

9. conduit retainers according to claim 1, it is characterized in that, in one and half portions, a pair of baffle plate is set therein, this is the width corresponding to described locking mechanism to the width between baffle plate, limits the motion of described locking mechanism on the thickness direction of described half portion.

10. conduit retainers according to claim 1, is characterized in that, described in sting the cross section of piece at the part place with tooth contact and there are two flat relative edges, and described in sting piece cross section there is the corner profiles of sphering.

11. conduit retainers according to claim 10, is characterized in that, described in sting piece cross section be the rectangle of bight sphering.

12. according to the conduit retainers described in claim 10 or 11, it is characterized in that, the described outer surface of stinging piece is coated with silica gel skin (11), the described inner surface of stinging piece is coated with silica gel internal layer (12), and described silica gel skin and silica gel internal layer are stung piece formation a plurality of the first through holes (22) by running through interconnect.

13. conduit retainers according to claim 1, it is characterized in that, on the two sides, front and back of described two half-unit, be coated with layer of silica gel (13), in described layer of silica gel, have the connecting hole being communicated with the connecting hole (17) of described two half-unit, the second through hole (14) that the layer of silica gel on former and later two sides forms by a plurality of half portions of running through interconnects.

14. conduit retainers according to claim 1, is characterized in that, the edge of at least one half portion is formed with recessed bending section (16).

15. conduit retainers according to claim 1, is characterized in that, the slit of described connecting hole (17) for tilting forms symmetrically respectively two described connecting holes in each half portion.

16. conduit retainers according to claim 1, is characterized in that, described connecting hole (17) can engage with the highly-breathable adhesive tape (1) for A/C holder.

17. conduit retainers according to claim 1, it is characterized in that, described connecting hole (17) can engage with the belt (2) for A/C holder, this belt is formed by connecting by dismountable two parts, the material of described belt can be cotton, self-adhering fascia or silica gel, belt two parts by or viscosity or the hasp of self-adhering fascia itself interconnect.

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