CN1929885A - Injector device for infusion set - Google Patents
Injector device for infusion set Download PDFInfo
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- CN1929885A CN1929885A CN 200580008078 CN200580008078A CN1929885A CN 1929885 A CN1929885 A CN 1929885A CN 200580008078 CN200580008078 CN 200580008078 CN 200580008078 A CN200580008078 A CN 200580008078A CN 1929885 A CN1929885 A CN 1929885A
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- injector device
- pivot member
- syringe needle
- housing
- injector
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Abstract
The invention relates to an injector device for an infusion set for intermittent or continuous administration of a therapeutical substance, such as insulin. The injector device for the subcutaneous introduction of the cannula of an infusion part into the skin of a patient comprises a housing, a back, longitudinally extending guiding means, a member which is longitudinally slidable within the housing, an insertion needle for insertion of the cannula, a spring located between the back of the housing and the longitudinally slidable member, locking means for maintaining the spring in a compressed state and release means for disengaging the locking means. The device further comprises a pivoting member which can be swung from a position in which the pivoting member allows for insertion of the needle into a position in which it embraces the needle.
Description
Technical field
The present invention relates to a kind of injector device, be used for intermittently or use infusion set continuously such as the such therapeutant of insulin.Infusion set comprises the connector that has in order to the infusion part of thrusting the intubate in the patient skin and be used for infusion part and medical devices (preferably such as the so medical conveyer device of insulin pump) are coupled together.
Described infusion set has smooth basically trailing flank and the bigger width of relative its thickness under its assembling form, allow thus on its skin that is flattened on patient, and alleviated thus and carry the discomfort that this infusion set produces.
Injector device according to the present invention is particularly useful for this situation, and promptly patient wishes or must insert described infusion part by oneself under the condition that does not have the professional to assist.
Background technology
U.S. Pat 5522803 discloses a kind of infusion set with infusion part and connector.Described infusion part comprises and the soft plastics intubate that is used for receiving from described connector the cavity fluid connection of syringe needle, the pilot hole of two inclinations and two holding devices; Described connector comprises intubate, two square guide fingers and two arms that have hook portion, and described hook portion is used for grasping the holding device on the described infusion part and operates at the principal plane of described infusion part.
Many patients such as the insulin patient, must or may wish oneself to insert infusion set or place subcutaneous sensor or the like.For some people, oneself carrying out that skin thrusts is the process of a difficulty, and they need a kind of device assist them in this process thus, make described process no longer become a big problem thus.
File US2003/0225373 discloses a kind of being used for infusion part and the intravital insertion device of pick off insertion patient.This device comprises housing, helical spring, safety device and is used for tilting to insert the intravital parts of patient.But this equipment is in industrialization manufacture view relative complex, and this device must come manual load by quite complicated process by patient.
WO03/026728 A1 discloses a kind of injector device, comprises housing, spring, slidably bar, locking mechanism and syringe needle.
Summary of the invention
The object of the present invention is to provide a kind of improved insertion device, it is easy to make and is suitable for paying with the loading form, perhaps is convenient at least load.Particularly, may have the old people of some motion function problem, need a kind of insertion device that occurs with the preloaded form.
According to the present invention, provide a kind of injector device that is used for the subcutaneous importing patient skin of the intubate on the infusion part.This injector device comprises housing, the guider of back and longitudinal extension, can be at the member of described enclosure interior longitudinal sliding motion, be used for inserting the insertion syringe needle of the cavity of described intubate, but the spring between described housing back and longitudinal sliding motion member, be used for described spring is remained on the locking device of compressive state, and be used to the release that makes that described locking device is disengaged, it is characterized in that, this injector device also comprises pivot member, and this pivot member can be rocked to the position that this pivot member surrounds described syringe needle from allowing the position that described syringe needle is inserted.
Insertion device according to the invention was convenient to before using, among and afterwards with a kind of handled, even the hands of user not too flexibly also can be like this.Also have, user can be selected vertically to insert basically, and this inserted mode is easy to the degree of depth of thrusting of syringe needle is controlled, and controls the insertion depth of described intubate thus.This point is extremely important in the operation of insertion certainly of described infusion part.In addition, described injector has a kind of very simply structure, makes it possible to reduce production costs.
Described insertion syringe needle can not be attached on the described slidably member during insertion with getting loose, can not be attached on the described infusion part with getting loose, make described intubate or insertion syringe needle can become the separate unit that a user can be removed thus after inserting.
In a preferred embodiment, described pivot member is fastened on the described slidably member.So just make that described unitary production is more easy, and if described pivot member be fastened on the described housing, this pivot member must be shorter so.If described pivot member is fastened on the described slidably member, this pivot member allows that the optimum seeking site that described syringe needle is inserted is in one and approximates 45 degree or bigger angle v so, so that make this pivot member crooked backward when contacting with user, preferably approximate 90 degree or bigger angle v, so that make this pivot member can not clash into user during insertion.Angle v is parallel to the injector device central axis of described insertion syringe needle and the angle between the described pivot member.
In a preferred embodiment, described insertion device has and is used to make described pivot member temporarily to be fixed as with respect to the rectangular basically device of described housing, makes described insertion device be stabilized in before thrusting with respect to the position of waiting to thrust the skin perpendicular thus.This point is even more important for the patient with motion function problem, because they are difficult to be controlled inserting angle.
Preferably, described housing has the device that is used for grasping better described injector device.The rough surface that the example of these devices can be arris, groove, groove, made by the material different with housing self alternatively, but be not limited thereto, groove preferably used.
For described pivot member being placed the position that surrounds described syringe needle, there is different modes, but in a preferred embodiment, described pivot member is in the forward position and described spring surrounds described syringe needle when being in release conditions at described slidably member.Usually, when using injector device that infusion set is inserted, suppose that user takes back enclosure interior with described insertion syringe needle, so that prevent the harm of the insertion syringe needle that object on every side is subjected to having used.This just means that user must antagonistic spring power operate, and wherein said spring force promotes described syringe needle during insertion forward, and meanwhile user must be avoided this syringe needle when the syringe needle that will use is taken back enclosure interior.But this point is very difficult the user not too flexibly for expert and finger.According to the present invention,, therefore very be easy to make the described insertion syringe needle safety that becomes for the user owing to make relatively large pivot member rotate to need not to use powerful.
In one embodiment, when described pivot member was placed in the final position that surrounds described syringe needle, described insertion syringe needle was destroyed and fixing.Can safely the insertion device that has used be abandoned with common rubbish like this.
In one embodiment, described pivotal arm also is a locking device, and has the tongue piece as release.
In another embodiment, have independently locking device and release.Preferably, described pivot member also has one and is used for described arm is fixed on a tongue piece that is parallel to the position of housing axis, described pivot member is rocked to the position that surrounds described syringe needle until hope.
Preferably, described pivot member surrounds described syringe needle in the primary importance of the main shaft that is parallel to described injector device, described subsequently pivot member is rocked to the second position that is substantially perpendicular to described main shaft, and finally is rocked to the position that surrounds described syringe needle.
In a preferred embodiment, described pivot member is from being substantially perpendicular to the position of described main shaft, and swing 180 degree arrive another and surround the position of described syringe needle, and are fixed on this position, and this position also is substantially perpendicular to described main shaft.Washability ground, described syringe needle are destroyed and be fixed in the described pivot member in this process.
In another preferred embodiment, the infusion part that is inserted into has and can not be fastened on this infusion part with getting loose and have the adhesive support of tacky surfaces, and described tacky surfaces has peels off liner.
In the present embodiment, described pivot member can have and is used for a part of adhesive support releasably is fastened on fixture on the described pivot member.It is folding that this structure has guaranteed that described adhesive support takes place with a kind of suitable method during insertion, can cause like this when described infusion part is inserted into, and described adhesive support makes a part of tacky surfaces turn to the skin of user.
In another preferred embodiment, peeling off liner and also can have one or more protuberance on the described adhesive support.Refer to from the described outstanding part of liner of peeling off, need not the part that the tacky surfaces with described adhesive support comes in contact, extend that part of one or more protuberance peeled off outside the liner that contacts with described tacky surfaces protective.Can not be fastened on the described housing one of in the described protuberance with getting loose, peel off liner and remove from described adhesive support at least in part so that in the insertion process of described syringe needle, make.The described whole removing of peeling off liner is removed and will be carried out when described injector device is removed when abandoning after described syringe needle inserts, and described peel off liner will be owing to still being attached on the described injector device and with the injector device that has used come along except that and abandon.
At one more in the preferred embodiment, the described liner of peeling off comprises at least two independent parts, and each parts have at least one protuberance.So just can automatically remove the described liner of peeling off during insertion, the described liner of peeling off can not clash with described insertion syringe needle.
Preferably, the protuberance on described first parts of peeling off liner is attached on the described pivot member during insertion, and the protuberance on described second parts of peeling off liner is attached on the described housing during insertion.Present embodiment makes user be easy to during insertion/afterwards the described liner of peeling off be removed, and meanwhile the tacky surfaces of described adhesive support was protected before inserting fully.
In a preferred embodiment of the invention, the pivot member in the described injector device also has and is used for temporarily fixing the device of the adhesive support on the described infusion part.Thus, realized can not folding in a kind of inappropriate mode in adhesive support described in the insertion process of infusion part.
Preferably, described injector device comprises the device that is used for stopping in forward location described slidably member, the preferably form of backstop tongue piece.
In a preferred embodiment, described injector device has locking tongue, is used for described pivot member is fixed on the position that surrounds described syringe needle.
Description of drawings
Hereinafter, present invention is described in more detail with reference to the accompanying drawings.
Fig. 1 shows an infusion set embodiment, and wherein infusion part and connector are combined into one.
Fig. 2 shows an infusion set embodiment, and wherein infusion part and link are separated.
Fig. 3 shows the same infusion set embodiment that is in released state shown in Fig. 2 from different angles.
Fig. 4 shows infusion set second embodiment that is in released state from first angle.
Fig. 5 shows infusion set second embodiment from different angles.
Fig. 6 shows injector device first embodiment that separates with infusion part.
Fig. 7 shows injector device first embodiment that combines with infusion part.
Fig. 8 shows injector device first embodiment that combines with infusion part.
Fig. 9 shows pivot member wherein surrounds syringe needle after inserting operation injector device first embodiment.
Figure 10 shows injector device first embodiment that was in loading and fixed position before inserting operation.
Figure 11 shows injector device first embodiment that was in loading and fixed position before inserting operation from second angle.
Figure 12 shows injector device second embodiment that was in loading and stationary state before inserting operation.
Figure 13 shows injector device second embodiment that is in resting state.
Figure 14 shows after syringe needle inserts and with injector device second embodiment of injector before the infusion part removal.
Figure 15 shows injector device second embodiment after injector and infusion part are separated.
Figure 16 shows injector device second embodiment after pivotal arm has been arranged to surround used syringe needle.
Figure 17 shows pivotal arm from the another one angle and has been arranged to surround injector device second embodiment after the syringe needle.
Figure 18 shows an infusion set that places on the skin.
Figure 19 shows injector device second embodiment and a credit card.
Figure 20 shows injector device the 3rd embodiment.
Figure 21 A-D shows according to the infusion part of the 3rd embodiment and the assembling process of injector device.
Figure 22 A-B shows injector device the 3rd embodiment that is ready to insert.
Figure 23 A-B shows the adhesive support that is hooked on the infusion part on the member slidably.
Figure 24 A shows the injector device that has infusion part after inserting, and Figure 24 B shows the injector device that insertion does not have infusion part afterwards.
Figure 25 shows injector device the 3rd embodiment after inserting and surrounding syringe needle.
Figure 26 A-D shows the different step when infusion part is carried out injection.
Figure 35 and 36A-D show the different step when utilizing injector device the 5th embodiment injection infusion part.
Preferred implementation
Fig. 1-3 shows an infusion set embodiment.This infusion set comprises infusion part 0B and connector 0A.Infusion part 0B comprises the base portion 2 with principal plane, and when this infusion set was attached on the patient body, described principal plane was arranged essentially parallel to patient's skin.Described base portion 2 comprises first assembly guidance 13, and in the present embodiment, this guider has the form of two stable vanes.Described base portion also comprises two holding devices 4, and its upper surface from this base portion extends out, and in the present embodiment, it is the form of two steps.Being mounted with adhesive support 1 on the inner surface of described infusion part, is adhesive plaster in the present embodiment.Intubate 5 extends out from base portion 2, and thrusts adhesive support 1 and be communicated with central cavity 3 fluids.The preferably soft intubate of intubate 5, but also can be made of metal.The cavity 3 that can randomly be covered by thin film is suitable for receiving the intubate 6 that extends out from described connector.In the embodiment shown in Fig. 2-5, intubate 6 extends out from the middle part of described connector, and is placed in a position with respect to the front portion retraction at described middle part.In the present embodiment, base portion 2 has two cutting parts 12 that form two fins, and holding device 4 is positioned on the described fin.Connector 0A comprises two arms 9, and these two arms have four and are suitable for the cutting portion 10 that cooperates with holding device 4.Connector 0A symmetrical ring winds perpendicular to described principal plane and is parallel to the plane of main shaft around described principal plane and symmetrical ring, allow thus described connector in two ways with described base portion coupling.Intubate 6 is communicated with conduit 7 fluids, and conduit 7 provides and being connected such as the such medical devices of insulin pump.In the present embodiment, the middle part of described connector has second assembly guidance 8, and these guiders 8 are two symmetrically arranged groove forms of the principal plane around this connector.In the present embodiment, described connector also has the gripping device 11 that is form of grooves.Gripping device 11 is optional, and the rough surface that can be selected from arris, groove, groove or be made by the different material of a kind of and described connector self alternatively.
Figure 4 and 5 show another one embodiment of the present invention, and wherein connector has two grooves 14, and in the present embodiment, groove 14 is symmetrical arranged around the principal plane of this connector.But, for described groove, need not to be symmetrical arranged, because they do not engage with infusion part around described principal plane.
No matter this infusion set is manually to insert or utilize injector to insert, and infusion part 0B and connector 0A all consign to user as two individual components in aseptic packaging.When manual insertion, infusion part 0B will utilize locking identical with described connector and guider 8 to combine with needle unit when transfusion.Described needle unit has an insertion syringe needle that extends out from middle front part, and this insertion syringe needle extends through and exceed the end of intubate 5 when transfusion.Unique function of described needle unit will be the skin that thrusts user, and after this this needle unit is removed, and connected piece 0A replaces, and be retained in intubate 5 subcutaneous.
Connector 0A can be connected on a road strategic point (luer) engagement member by conduit 7.By described road strategic point engagement member, can use a kind of suitable therapeutant from pump, such as insulin.Described connector can also be a kind of packaged unit, and it has a suitable inlet that is used for the insertion syringe needle on the syringe.This packaged unit can be kept somewhere on the throne up to three days, and simultaneously user can obtain the medicine that injects by described inlet, such as insulin, so that alleviate damage to skin.
For the user importantly,, also can change easily, be about to infusion part 0B and connector 0A and be joined together and be disengaged even the hands of user and finger are not too flexible.Described infusion set meets this purpose, because the motion that is used to make infusion part 0B and connector 0A to throw off locking is to push described connector between forefinger and thumb, this is a kind of simple and motion of being convenient to realize.Also have, the active force of the relative direction that is pushed in opposite directions by forefinger and thumb not only is used to make described device to throw off locking respectively, and uses when described connector is pulled away from infusion part 0B.In order to make connector 0A be easier to be disengaged, by choosing a kind of softness and flexible material, perhaps by such as make arm 9 be fastened on the described middle part with more or less hardness by the size that changes the groove 14 on the connector 0A shoulder, arm 9 can be made into to have very much flexibility.
Although wall 9 is very flexible, when device was positioned on the skin of user, connector accident disengagement and danger of being pulled away from the infusion part were very little, because this device must be subjected to the pressure of both sides simultaneously.
Fig. 6-11 shows first embodiment of injector device 29, and it can be used for the infusion part 0B of the described infusion set of injection.In Fig. 6, this injector device and described infusion part 0B separate, and Fig. 7 and 8 shows the identical injector device 29 that combines with infusion part 0B.This injector device comprises housing 30, this housing 30 has two longitudinal extension guiders 31 that are made into groove in the present embodiment, but with the longitudinal sliding motion member 32 that has corresponding to the guider 31a of guider 31, in the present embodiment, guider 31a is an arris.One root thorn is gone into syringe needle 35 and is extended out from the front portion of member 32 slidably, and this syringe needle 35 is surrounded by the guider corresponding to guider 31 on the infusion part 0B at the place, end that is fastened on the member 32 slidably.Slidably member 32 can move to the forward position from advanced position, and utilizes spring 34 to be driven to the forward position from advanced position.Described spring is between the back 33 of slidably member 32 and described housing.Alternatively, have spring support 37 (Fig. 8), this spring support 37 assembles up with the back of described housing, has reduced the risk that spring breaks down thus.This injector device also comprises and is used for that described spring remained on the locking device 38 of compressive state and is used to the release 39 that makes that locking device is disengaged.When locking device 38 was disengaged, spring 34 slidably member 32 was urged to its forward position, will be positioned at the intubate importing patient body at infusion part 0B front end place thus by means of syringe needle 35.After described intubate is imported, comprise that the injector device that inserts syringe needle 35 is extracted from infusion part 0B, make that inserting syringe needle is in exposed uncovered positions.Then pivot member 36 can be rocked to such position, promptly surrounds syringe needle 35 as shown in Figure 9 like that.
Figure 10 and 11 shows and is in the identical injector device embodiment that loads with the fixed position.The part of pivot member 36 is as locking device 38.In Figure 10, can see in the intubate 5 that how syringe needle 35 is fitted on the described infusion part.Thrust at skin that syringe needle 35 will carry intubate 5 in the process.After thrusting skin, the syringe needle 35 that is fixed on the described injector will be pulled out, and stay described intubate and insert in the patient body.In Figure 11, show described locking device, described locking device is disengaged when tongue piece 38 is pushed to above the outer ledge at described housing back 33.
Figure 12 to 17 shows second embodiment according to injector device of the present invention, and wherein pivot member 36 is with respect to slidably member 32 centers are fastening.Figure 12 shows the injector device that is in this state, and promptly pivot member 36 was protected described syringe needle before the intubate on the infusion part 0B 5 is carried out injection.The figure shows the longitudinal extension guider 31 that housing 30 has another type, it is bar in the present embodiment.Described housing also has gripping device 40, preferably is form of grooves, and it is as the device that is used for better grasping described injector device.
On a first type surface of described injector device, show the release 39 of centralized positioning.The advantage of button release mechanism is, has reduced the risk of inclination injection.
In Figure 13, show an injector device that is ready to insert syringe needle.Described pivot member with respect to the main shaft of described injector device with the angle v that approximate 90 degree away from surrounding the position, wherein said main shaft overlaps with the insertion syringe needle.Adhesive support 1 is located in such a way, and promptly the intubate 5 of infusion part 0B and localized therein syringe needle 35 thrust described adhesive support by the opening of peeling off on the liner.When described pivot member was substantially perpendicular to the principal plane of described injector device, it can be formed for realizing basically the assistance device of the vertical injection of described syringe needle.Also have, Figure 13 shows the inside that syringe needle 35 on the described injector device is positioned at intubate 5.In Figure 14, described injector device is in a kind of release conditions, and wherein syringe needle 35 will thrust skin.In the embodiment shown in fig. 14, described housing has the backstop tongue piece 43 corresponding to the projection on the described slidably member, its general slidably member 32 remains within the housing 30, is easy to extract described syringe needle thus, because do not exist described slidably member to skid off the risk of described housing.In Figure 15, described injector device is pulled out, and the intubate 5 that stays infusion part 0B is inserted in the patient body.In Figure 16 and 17, pivot member 36 is in such position, promptly surrounds syringe needle 35, prevents that thus object comes in contact with the syringe needle 35 that has used on every side.In Figure 18, infusion part 0B arrives the position that is arranged essentially parallel to skin from vertical basically on position.
Figure 19 shows described injector device and a credit card, is used to illustrate the size of described injector device.
In Figure 20, show the 3rd embodiment and infusion part 0B of injector device.But present embodiment also has the housing 30 of the guider 31 that has longitudinal extension and the member 32 of longitudinal sliding motion, and this member 32 is different at textural and preceding two embodiment.Still can see pivotal arm 36 and spring 34 in the figure.In the present embodiment, backstop tongue piece 43 is provided with by the center, and is the downside raised projections form from housing 30.Release 39 comprises that two place the button on housing 30 each side.
In Figure 21 A-D, show and how slidably member 32 among infusion part 0B and the 3rd embodiment and spring 34 are fitted within the housing 30.The unit that illustrates between pivotal arm 36 and insertion parts 0B is an adapter, and it can be used for the injector of a standard the different guiders 13 on the infusion part 0B.
In Figure 22 A-B, show the fixture 44 that places on the pivot member 36.The part of adhesive support 1 can be attached on the described fixture provisionally, so that fix the position of described adhesive support in such a way, promptly the tacky surfaces of support member 1 will be towards patient's skin upset.Also have, can see the backstop tongue piece 43 of release 39 and projection, wherein release 39 is the form of two buttons and a button on a side of housing 30.
Figure 23 A-B is hooked on this adhesive support 1 on the fixture 44 there not being to show in more detail under the condition of housing at least one cutting part 46 that how to utilize on the adhesive support 1.
Figure 24 A shows injector device the 3rd embodiment that has infusion part after inserting, and 24B shows after inserting and at this injector device injector device after insertion parts 0B taking-up.
In Figure 25, the pivot member 36 in the described injector device is in the position that surrounds described syringe needle.Locking tongue 45 is fixed on this position with described pivotal arm.So just make that described syringe needle keeps being surrounded by described pivotal arm, reduced the risk that someone is injured by described syringe needle thus.
The use circulation of described injector device has been shown in Figure 26 A-D:
When described infusion set and described injector device are together consigned to patient, infusion part 0B and connector 0A packing separately under aseptic situation, and infusion part 0B is placed in (Figure 26 A) in the injector device.When user wished infusion part 0B inserted, user spurred described pivotal arm and makes described arm rotate perpendicular to housing 30 (Figure 26 B).In this position, place the syringe needle 35 on the member 32 slidably to reveal, and described adhesive support is crooked backward, described tacky surfaces is towards the skin upset of user simultaneously.User promotes the button 39 on each side of described housing subsequently, discharges described spring and promotes slidably member 32 (Figure 26 C) towards the skin of user.Syringe needle 35 will thrust skin in this position, and place the intubate of infusion part 0B subcutaneous.After infusion part 0B is placed, described injector device is removed, and in order to prevent that object on every side from suffering the harm of the syringe needle 35 that used, pivotal arm 36 is rotated about 180 degree, arrival is perpendicular to about 90 ° of angle w of the main shaft of described injector device, here it surrounds described syringe needle, and makes that abandoning of described device is safer.
Figure 35 A-E and 36A-E show respectively the use circulation of this injector device of seeing from the upside (Figure 35) and the downside (Figure 36) of described injector device.
In Figure 35 A and 36A, described device is in first kind of state, and promptly described device will be consigned to patient usually under aseptic condition.Under this state, pivotal arm 36 is in a position that surrounds syringe needle 35, and the angle v between the principal plane of described injector device and the described pivotal arm is close to 0 °, in this case, to prevent that slidably member 32 is pushed forward if push the tongue piece 48 of 39, two projections of release unintentionally.
In Figure 35 B and 36B, to insert syringe needle 35 thus and reveal by lifting pivotal arm 36 backward, and in the present embodiment simultaneously, peel off liner 41 and be attached in part on the pivotal arm 36 by lifting, manifest the adhesive support 1 of lower floor, make described device be in resting state.In this position, pivotal arm 36 allows described syringe needle inserted, and with respect to the angle v of the principal plane of described injector device more than or equal to 90 degree but smaller or equal to 180 degree, and in this position, described injector device will be put on the skin that leans against patient.
In Figure 35 C and 36C, release 39 has been subjected to be pushed and has discharged spring 34.Described spring has promoted slidably member 32 forward, until this slidably member be subjected to stopping of two backstop tongue pieces 43.In this position, insert the skin that syringe needle 35 has thrust patient, and a part of tacky surfaces of adhesive support 1 (this part covers zone around the described syringe needle with the whole width of described adhesive support) and patient's skin comes in contact.In Figure 36 C, show and how the described second portion 42 of peeling off liner is attached on the housing 30, and when slidably member 32 is pushed forward, still cover described tacky surfaces.
In Figure 35 D and 36D, show when described injector device and taken out on one's body from patient, stay the situation when inserting subcutaneous infusion part 0B.User makes described first 41 of peeling off liner separate with pivotal arm 36, then when being pulled away from described injector device, the described second portion 42 of peeling off liner also is pulled away from, manifest the tacky surfaces of adhesive support 1, and can push described adhesive support towards skin for the user, thus fixing infusion part 0B.
At last, after described insertion syringe needle is extracted, described in the present embodiment insertion syringe needle is attached on the slidably member 32 in the described injector device, in Figure 35 E and 36E, illustrated how pivot member 36 is placed the position that surrounds described syringe needle, prevented that thus object is stung on every side.In order to arrive this position, pivotal arm 36 is rotated about 180 degree from the position shown in Figure 35 D and the 36D, and the angle w between the principal plane of described injector device and the pivotal arm 36 is about 90 degree.
Claims (18)
1. injector device that is used for the subcutaneous importing patient skin of intubate (5) of infusion part (0B), described injector device comprises housing (30), the guider (31) of back (33) and longitudinal extension, can be at the member (32) of the inner longitudinal sliding motion of housing (30), be used to insert the insertion syringe needle (35) of described intubate, but the spring (34) between described housing back and longitudinal sliding motion member, be used for described spring is remained on the locking device of compressive state, and be used to release (39) that described locking device is disengaged, it is characterized in that, described injector device also comprises pivot member (36), and this pivot member (36) can be rocked to the position that this pivot member surrounds described syringe needle from allowing the position that syringe needle (35) is inserted.
2. injector device according to claim 1 is characterized in that, described pivot member (36) is fastened on the described slidably member (32).
3. injector device according to claim 2 is characterized in that, described pivot member (36) allows that the angle of the position that syringe needle (35) is inserted is v, and wherein v is more than or equal to 90 degree and smaller or equal to 180 degree, and preferably v is approximately 90 degree.
4. according to claim 1,2 or 3 described injector devices, it is characterized in that when described pivot member (36) was in its position that surrounds described syringe needle, described pivot member was arranged to be roughly parallel to described housing.
5. according to claim 1,2 or 3 described injector devices, it is characterized in that, when described pivot member (36) is in its position that surrounds described syringe needle, described pivot member is w with respect to the angle of described housing, wherein w is greater than 0 degree and smaller or equal to 180 degree, and preferably w is more than or equal to 90 degree and smaller or equal to 180 degree.
6. according to arbitrary described injector device in the claim 1 to 5, it is characterized in that, described pivot member (36) can be in the forward position and described spring (34) surrounds described syringe needle when being in release conditions at described slidably member (32), and preferably described pivot member (36) can be in advanced position and described spring (34) surrounds described syringe needle when being in tensioning state at described slidably member (32).
7. injector device according to claim 1 and 2, it is characterized in that, described pivot member is from the position of the main shaft that is substantially perpendicular to bringing device, swing 180 degree arrive another and surround the position of described syringe needle, and be fixed on this position, this position also is substantially perpendicular to described main shaft.
8. according to arbitrary described injector device in the claim 1 to 7, it is characterized in that when described pivot member finally surrounded described insertion syringe needle, described syringe needle was destroyed and be fixed in the described pivot member.
9. injector device according to claim 1 is characterized in that, this injector device also comprises the locking device (45) that is used for described pivot member is remained on final encirclement position.
10. injector device according to claim 1 is characterized in that, described infusion part (0B) is by can not being fastened on the adhesive support (1) with getting loose, and this adhesive support (1) has and has the tacky surfaces of peeling off liner (9).
11. injector device according to claim 10 is characterized in that, described pivot member (36) has fixture (44), is used for a part of adhesive support (1) releasably is fastened on described pivot member.
12., it is characterized in that the protuberance of peeling off liner of described adhesive support (1) can not be fastened on the housing (30) with getting loose according to claim 10 or 11 described injector devices.
13. injector device according to claim 10 is characterized in that, the liner of peeling off of described adhesive support comprises at least two independent parts (41,42).
14. injector device according to claim 13 is characterized in that, each peeling liner chip part all has at least one protuberance.
15. injector device according to claim 14, it is characterized in that, the protuberance of peeling off first parts (41) of liner is attached on the pivot member (36) during insertion, and the protuberance of peeling off second parts (42) of liner is attached on the housing (30) during insertion.
16. injector device according to claim 1 is characterized in that, described housing has stop device (43), preferably backstop tongue piece.
17. injector device according to claim 1 is characterized in that, described slidably member (32) is formed by the frame structure structure.
18. injector device according to claim 1 is characterized in that, the release (39) that is used to make described locking device be disengaged comprises two positions that are positioned at the opposite side of housing (30).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55686304P | 2004-03-26 | 2004-03-26 | |
| US60/556,863 | 2004-03-26 | ||
| DKPA200400493 | 2004-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1929885A true CN1929885A (en) | 2007-03-14 |
| CN100528254C CN100528254C (en) | 2009-08-19 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800080787A Expired - Fee Related CN100528254C (en) | 2004-03-26 | 2005-03-21 | Injector device for infusion set |
| CN2005800078556A Expired - Fee Related CN1929884B (en) | 2004-03-26 | 2005-03-21 | Infusion set |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800078556A Expired - Fee Related CN1929884B (en) | 2004-03-26 | 2005-03-21 | Infusion set |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN100528254C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD811584S1 (en) | 2009-09-15 | 2018-02-27 | Medimop Medical Projects Ltd. | Injector device |
| US10071198B2 (en) | 2012-11-02 | 2018-09-11 | West Pharma. Servicees IL, Ltd. | Adhesive structure for medical device |
| US10071196B2 (en) | 2012-05-15 | 2018-09-11 | West Pharma. Services IL, Ltd. | Method for selectively powering a battery-operated drug-delivery device and device therefor |
| JP2015520264A (en) * | 2012-06-06 | 2015-07-16 | サン−ゴバン パフォーマンス プラスティックス コーポレイション | Thermoplastic elastomer tube material and methods of making and using the same |
| US11207465B2 (en) | 2015-06-04 | 2021-12-28 | West Pharma. Services Il. Ltd. | Cartridge insertion for drug delivery device |
| JP6957525B2 (en) | 2016-06-02 | 2021-11-02 | ウェスト ファーマ サービシーズ イスラエル リミテッド | Needle evacuation by 3 positions |
| US11730892B2 (en) | 2016-08-01 | 2023-08-22 | West Pharma. Services IL, Ltd. | Partial door closure prevention spring |
| CN113855913A (en) | 2017-05-30 | 2021-12-31 | 西部制药服务有限公司(以色列) | Modular drive mechanism for a wearable injector |
| US11857767B2 (en) | 2017-12-22 | 2024-01-02 | West Pharma. Services IL, Ltd. | Injector usable with different dimension cartridges |
| EP3744367A1 (en) * | 2019-05-29 | 2020-12-02 | Sooil Development Co., Ltd. | Needle infusion set for insulin infusion |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK25793A (en) * | 1993-03-09 | 1994-09-10 | Pharma Plast Int As | Infusion set for intermittent or continuous administration of a therapeutic agent |
| FR2752164B1 (en) * | 1996-08-09 | 1998-10-30 | Vygon | DEVICE FOR PERFORMING A PUNCTURE THROUGH THE SKIN BY MEANS OF A NEEDLE |
| US6572586B1 (en) * | 2000-07-25 | 2003-06-03 | Animas Corporation | Low profile infusion set |
| US6830562B2 (en) * | 2001-09-27 | 2004-12-14 | Unomedical A/S | Injector device for placing a subcutaneous infusion set |
| CA2422307A1 (en) * | 2002-03-20 | 2003-09-20 | Stefanie Livanos | Blood collection device |
-
2005
- 2005-03-21 CN CNB2005800080787A patent/CN100528254C/en not_active Expired - Fee Related
- 2005-03-21 CN CN2005800078556A patent/CN1929884B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1929884B (en) | 2013-06-12 |
| CN100528254C (en) | 2009-08-19 |
| CN1929884A (en) | 2007-03-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20090819 Termination date: 20130321 |