阅读说明：本技术 无残留过滤式输液穿刺器 (Residue-free filtering type infusion puncture outfit ) 是由 王维文 郭桂成 王余波 于 2021-08-28 设计创作，主要内容包括：本发明公开了一种无残留过滤式输液穿刺器,其特征是：包括相互盖合并且形成握持部的第一壳体和第二壳体；所述握持部内具有滤腔,所述滤腔内设置有将滤腔分隔成进液室和出液室的滤膜；所述第一壳体的侧面上具有防脱定位部和进气孔,以及第一壳体的上侧面上具有穿刺部,所述穿刺部内具有与进液室导通的出液通道和与进气孔导通的进气通道,所述出液通道的进液口倾斜设置,并且在插入输液瓶塞时,出液通道的进液口能供输液瓶内的最低液面流入；所述第二壳体的下侧面上具有出液管,所述出液管内具有与出液室导通的出液孔。本发明具有结构简单、使用便利、灵活且输液无残留的特点。(The invention discloses a residue-free filter type transfusion puncture outfit, which is characterized in that: comprises a first shell and a second shell which are mutually covered and form a holding part; the handle part is internally provided with a filter cavity, and a filter membrane which divides the filter cavity into a liquid inlet chamber and a liquid outlet chamber is arranged in the filter cavity; the side surface of the first shell is provided with an anti-falling positioning part and an air inlet, the upper side surface of the first shell is provided with a puncture part, a liquid outlet channel communicated with the liquid inlet chamber and an air inlet channel communicated with the air inlet are arranged in the puncture part, a liquid inlet of the liquid outlet channel is obliquely arranged, and when a transfusion bottle plug is inserted, a liquid inlet of the liquid outlet channel can be used for the lowest liquid level in the transfusion bottle to flow in; the lower side surface of the second shell is provided with a liquid outlet pipe, and a liquid outlet hole communicated with the liquid outlet chamber is formed in the liquid outlet pipe. The invention has the characteristics of simple structure, convenient and flexible use and no residue in transfusion.)

1. A residue-free filtering type transfusion puncture outfit is characterized in that: comprises a first shell and a second shell which are mutually covered and form a holding part;

the handle part is internally provided with a filter cavity, and a filter membrane which divides the filter cavity into a liquid inlet chamber and a liquid outlet chamber is arranged in the filter cavity;

the side surface of the first shell is provided with an anti-falling positioning part and an air inlet, the upper side surface of the first shell is provided with a puncture part, a liquid outlet channel communicated with the liquid inlet chamber and an air inlet channel communicated with the air inlet are arranged in the puncture part, a liquid inlet of the liquid outlet channel is obliquely arranged, and when a transfusion bottle plug is inserted, a liquid inlet of the liquid outlet channel can be used for the lowest liquid level in the transfusion bottle to flow in;

the lower side surface of the second shell is provided with a liquid outlet pipe, and a liquid outlet hole communicated with the liquid outlet chamber is formed in the liquid outlet pipe.

2. The non-residue filtering infusion puncture device according to claim 1, wherein: the side face of the first shell is provided with a thickening area for the anti-falling positioning portion and the air inlet hole, and a step is formed between the thickening area and the side face of the first shell.

3. The non-residue filtering infusion puncture set according to claim 2, wherein: the holding part is of a flat square structure.

4. The non-residue filtering infusion puncture device according to claim 1, wherein: the anti-falling positioning part is a positioning groove.

5. The non-residue filtering infusion puncture device according to claim 1, wherein: the first housing and the second housing are made of the same material.

6. The non-residue filtering infusion puncture device according to claim 1, wherein: the first shell and the second shell are respectively provided with a first groove and a second groove, and the groove wall of the first groove is clamped in the groove wall of the second groove.

7. The non-residue filtering infusion puncture set according to claim 6, wherein: the edge position of the filter membrane is clamped between the groove wall of the first groove and the groove wall of the second groove to form fixation.

8. The non-residue filtering infusion puncture set according to claim 6, wherein: the depth of the second groove is gradually increased from top to bottom.

9. The non-residue filtering infusion puncture set according to claim 8, wherein: and a supporting bulge is arranged in the second groove.

10. The non-residue filtering infusion puncture device according to claim 1, wherein: and the lower end of the liquid outlet pipe is provided with a threaded connection section.

Technical Field

The invention relates to the technical field of medical equipment, in particular to a residue-free filter type infusion puncture outfit.

Background

An infusion puncture device is a commonly used medical apparatus and is mainly used for intravenous drip. The puncture outfit structure on the market at present mainly includes handheld portion, the portion of wearing and connecing that is located handheld portion upside and the portion of going out liquid that is located handheld portion downside. The hand-held part is the basic part of the whole infusion puncture outfit, the penetration part is in a hollow cylindrical tube shape, one end of the penetration part is connected with the hand-held part, the other end of the penetration part forms a puncture head, the puncture head is in a hook-shaped structure formed by beveling the end part of the penetration part, so that when the puncture outfit is used, the sharp corner of the puncture head can puncture a rubber plug on an infusion bottle. An air channel and a liquid channel are formed inside the penetration part and the handheld part, air is supplied into the infusion bottle through the air channel, and the liquid channel is used for flowing out of liquid medicine in the infusion bottle.

In actual use, the puncture outfit in the prior art has defects, 1, the structure is complex, the puncture outfit is not beneficial to automatic production, and the production cost is also improved; 2. in order to improve the stability of the puncture head of the puncture outfit on the infusion bottle stopper, the puncture head of the puncture outfit needs to be longer, so that the longer puncture head is deeply inserted into an infusion bottle, and under the condition, the liquid medicine at the bottom of the infusion bottle cannot flow out, thereby causing the waste of the liquid medicine.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a residue-free filtering type infusion puncture outfit which has the characteristics of simple structure, convenience and flexibility in use and no residue in infusion.

In order to achieve the purpose, the invention provides the following technical scheme:

a residue-free filtering type transfusion puncture outfit is characterized in that: comprises a first shell and a second shell which are mutually covered and form a holding part;

the handle part is internally provided with a filter cavity, and a filter membrane which divides the filter cavity into a liquid inlet chamber and a liquid outlet chamber is arranged in the filter cavity;

the side surface of the first shell is provided with an anti-falling positioning part and an air inlet, the upper side surface of the first shell is provided with a puncture part, a liquid outlet channel communicated with the liquid inlet chamber and an air inlet channel communicated with the air inlet are arranged in the puncture part, a liquid inlet of the liquid outlet channel is obliquely arranged, and when a transfusion bottle plug is inserted, a liquid inlet of the liquid outlet channel can be used for the lowest liquid level in the transfusion bottle to flow in;

the lower side surface of the second shell is provided with a liquid outlet pipe, and a liquid outlet hole communicated with the liquid outlet chamber is formed in the liquid outlet pipe.

Preferably, a thickened area for the anti-falling positioning portion and the air inlet hole is arranged on the side face of the first shell, and a step is formed between the thickened area and the side face of the first shell.

Preferably, the grip portion has a flat rectangular structure.

Preferably, the anti-dropping positioning part is a positioning groove.

Preferably, the first housing and the second housing are made of the same material.

Preferably, the first shell and the second shell are respectively provided with a first groove and a second groove, and the groove wall of the first groove is clamped in the groove wall of the second groove.

Preferably, the edge position of the filter membrane is clamped between the groove wall of the first groove and the groove wall of the second groove to form fixation.

Preferably, the depth of the second groove gradually increases from top to bottom.

Preferably, a support protrusion is arranged in the second groove.

Preferably, the lower end position of the liquid outlet pipe is provided with a threaded connection section.

The invention has the advantages that:

1. the puncture outfit is formed by splicing a first shell and a second shell, and has the characteristics of simple structure and convenient production;

2. the anti-drop positioning part is arranged and can be used synchronously in cooperation with the anti-drop device, so that the depth of the puncture part penetrating into the infusion bottle plug can be reduced, and the liquid medicine in the infusion bottle can also flow into the liquid inlet of the liquid outlet channel to flow out when the liquid medicine is at the lowest liquid level;

3. the liquid outlet pipe can facilitate the connection of the liquid filter with other apparatuses, and is convenient for the use of the liquid filter with other apparatuses.

Drawings

Fig. 1 is a schematic view of a residue-free filtering infusion puncture device provided in the present embodiment;

fig. 2 is a sectional view of the infusion puncture instrument of the present embodiment;

fig. 3 is a schematic view of a second housing provided in this embodiment;

FIG. 4 is a schematic view of the anti-separation device used with the puncture device in this embodiment;

fig. 5 is another schematic view of the anti-separation device used with the puncture instrument according to this embodiment.

Detailed Description

The present invention will be further described with reference to fig. 1 to 5.

A residue-free filtering type transfusion puncture outfit is characterized in that: comprising a first housing 1 and a second housing 2 which cover each other and form a grip 3. The handle portion 3 is internally provided with a filter cavity 8, and the filter cavity 8 is internally provided with a filter membrane 7 which divides the filter cavity 8 into a liquid inlet chamber 82 and a liquid outlet chamber 81. The side surface of the first casing 1 is provided with an anti-falling positioning part 4 and an air inlet 5, the upper side surface of the first casing 1 is provided with a puncturing part 11 protruding out of the holding part 3, the puncturing part 11 is internally provided with an air outlet channel 112 communicated with the liquid inlet chamber 82 and an air inlet channel 111 communicated with the air inlet 5, and the height of an air outlet 1111 of the air inlet channel 111 is higher than that of a liquid inlet 1121 of the liquid outlet channel 112. The liquid inlet 1121 of the liquid outlet channel 112 is obliquely arranged, and when the infusion bottle stopper is inserted, the lowest liquid level in the infusion bottle in an inverted state can flow into the liquid inlet 1121 of the liquid outlet channel 112, so that the effect of no residual infusion is achieved. A liquid outlet pipe 21 protruding from the holding part 3 is formed on the lower side surface of the second shell 2, and a liquid outlet hole 23 communicated with the liquid outlet chamber 81 is formed in the liquid outlet pipe 21.

Specifically, the side surfaces of the first casing 1 and the second casing 2, which are opposite to each other, are holding surfaces 13 and 25, and a thickened area 12 for the anti-falling positioning portion 4 and the air inlet 5 is arranged on the side surface of the first casing 1, that is, on the holding surface 13 of the first casing 1. An air filtering membrane 6 is arranged in the air inlet hole 5, the thickened area 12 is positioned on the position of the holding surface 13 close to the upper side, the thickened area 12 protrudes out of the holding surface 13, and a step 121 is formed between the bottom surface of the thickened area 12 and the holding surface 13, so that an operator can apply upward pushing force on the step surface to penetrate the puncture part 11 into the infusion bottle stopper. Meanwhile, in order to improve the comfort of the force application, the step 121 is of a tilting structure.

The holding part 3 is a flat square structure, and the area of the holding surfaces 13 and 25 can be increased by the structure, so that the contact area between fingers and the holding surfaces 13 and 25 is increased, and the comfort of holding is further improved.

Anticreep location portion 4 is the constant head tank, and the specific quantity of constant head tank sets up according to the in-service use demand. In this embodiment, the positioning grooves are provided with two and located on the left and right sides of the air inlet hole 5. When the puncture device is used, the positioning groove can be connected with the anti-falling device, and the anti-falling function of the puncture device is achieved.

First casing 1 and second casing 2 are made by the same material, first casing 1 and 11 formula structures as an organic whole of portion of puncturing, second casing 2 and drain pipe 21 formula structure as an organic whole, under this structure, can be convenient for first casing 1 and second casing 2's production, can be convenient for again between them recovery and reuse.

The first shell 1 and the second shell 2 are respectively provided with a first groove and a second groove 27, the first groove is matched with the filter membrane 7 to form a liquid inlet chamber 82, and the second groove 27 is matched with the filter membrane 7 to form a liquid outlet chamber 81. The groove wall 14 of the first groove is clamped in the groove wall 26 of the second groove 27 to form a clamping structure, and meanwhile, the clamping structure is fixed by ultrasonic welding, and the filter cavity 8 is formed by butt joint and combination of the first groove and the second groove 27.

The inner side of the groove wall 26 of the second groove 27 has a step 22, against which step 22 the groove wall top 141 of the first groove rests when the groove wall 14 of the first groove snaps into the groove wall 26 of the second groove 27. Meanwhile, the edge position of the filter membrane 7 is engaged and fixed between the groove wall top surface 141 of the first casing 1 and the step 22 of the groove wall of the second casing 2.

The depth of the second groove 27 is gradually increased from top to bottom, the structure can increase the accommodating capacity of the lower side position of the liquid outlet chamber 81 for liquid medicine, and the liquid medicine in the liquid outlet chamber 81 can fully flow into the liquid outlet pipe.

In order to avoid the deformation of the filter membrane 7 during the filtration of the liquid medicine, a plurality of supporting protrusions 24 are arranged in the second groove 27, and the supporting protrusions are uniformly distributed in the second groove 27 to support the middle part of the filter membrane.

The lower end of the liquid outlet pipe 21 is provided with a threaded connecting section 28, and the liquid outlet pipe 21 and the threaded connecting section 28 can be used for realizing the connection of the medical device with other medical devices. For example, the head of the syringe may be inserted directly into the outlet tube 21 to be connected to the present invention, and used as a filter of the syringe, i.e., to filter the liquid medicine in the syringe.

The utility model provides an anticreep device that uses with no residue filtration formula infusion puncture ware cooperation, this anticreep device is promptly an infusion safety clamp, characterized by: comprises a clamping head 10 and a positioning sheet 9. The clamp 10 has a clamp groove 101 capable of clamping to the neck of an infusion bottle, and a left clamp head plate 102 and a right clamp head plate 103 for an operator to apply force to open the clamp groove 101. In this embodiment, the size of the notch 1011 of the clip slot 101 is changed by deformation to clip on an infusion bottle or a bottleneck of an infusion bag, and the convenience of deformation and increase of the notch 1011 of the clip slot 101 can be improved by the left and right clip head plates 102 and 103. The left and right chuck plates 102 and 103 are respectively provided with an infusion needle resting groove 1021 and an infusion needle positioning hole 1032. The locating plate 9 can be bent, one end of the locating plate 9 is connected to the chuck 10, and the other end is provided with a locating part 93 matched with the anti-falling locating part on the puncture outfit.

The transfusion needle resting groove 1021 and the transfusion needle positioning hole 1032 are both of a vertically extending structure, and a notch 10211 for allowing a transfusion needle to enter the transfusion needle resting groove 1021 from the side is arranged on the side surface of the transfusion needle resting groove 1021. Specifically, when the infusion needle is placed, an infusion tube connected with the tail of the infusion needle enters the infusion needle placing groove 1021 from the side surface, the size of the tail of the infusion needle is larger than that of an opening in the infusion needle placing groove 1021, and therefore the tail of the infusion needle is supported on the upper end wall of the infusion needle placing groove 1021.

The positioning sheet 9 and the chuck 10 are of an integral structure, that is, one end of the positioning sheet 9 corresponding to the chuck 10 is connected with the left chuck plate 102 and the right chuck plate 103 through a connecting part. In this embodiment, the clamping head 10 and the positioning plate 9 are made of plastic, so that the positioning plate 9 can be bent up and down relative to the clamping head 10, thereby facilitating the positioning of the positioning plate 9 on the puncture outfit.

The left and right headboards 102 and 103 are located on one side of the clip groove 101 back to the notch 1011, and the left and right headboards 102 and 103 extend towards one side of the clip groove 101 back to increase the length of the left and right headboards 102 and 103, which is convenient for the medical staff to contact and apply force, and is also convenient for the placement or winding of the infusion tube.

In order to save the materials required by the left and right chuck plates 102 and 103, the sides of the left and right chuck plates 102 and 103, which face away from the chuck slot 101, are thickened by 104 to provide the transfusion needle resting slot 1021 and the transfusion needle positioning hole 1032, and the middle parts of the left and right chuck plates 102 and 103 only need to ensure the thickness under normal strength.

An infusion tube clamping groove 10212 is formed in the side wall of the infusion needle holding groove 1021, the notch of the clamping groove faces upwards, and the width of the clamping groove gradually decreases from top to bottom. When the infusion tube needs to be cut off, the infusion tube is clamped into the clamping groove, so that the infusion tube is deformed to isolate the liquid medicine from passing through.

A positioning film for the infusion needle to pass through is arranged in the infusion needle positioning hole 1032, a shielding pipe 1031 is arranged on the upper side of the right chuck plate 103, and the shielding pipe 1031 is butted with the infusion needle positioning hole 1032. After the infusion, can penetrate infusion needle into infusion needle locating hole 1032, the syringe needle of infusion needle can alternate on this locating film, realizes the fixed of infusion needle in infusion needle locating hole 1032, realizes temporarily depositing. And the setting of sheltering from pipe 1031 can enough prolong infusion needle locating hole 1032's length to avoid the unexpected problem that exposes of syringe needle of infusion needle, can supply the needle cap of infusion needle to embolia, fix a position simultaneously again. That is, in the infusion stage, the cap of the infusion needle can be sleeved on the shielding tube 1031.

In order to further facilitate the deformation of the positioning sheet 9, a plurality of notches 92 facilitating the deformation are formed on the positioning sheet 9, so as to improve the flexibility of the deformed part of the positioning sheet 9.

The puncture outfit positioning part 93 is a positioning plug which can be clamped into the positioning groove 4 of the puncture outfit, namely the puncture outfit is provided with the positioning groove 4 for clamping the positioning plug. The number of the positioning plugs is one or two, and the positioning plugs can be selected according to actual requirements during specific use.

When the puncture outfit is used, the left chuck plate 102 and the right chuck plate 103 are held to be close to each other, the notches of the chuck grooves 101 can be opened, then the chuck grooves 101 are clamped on the bottleneck of an infusion bottle, the left chuck plate 102 and the right chuck plate 103 are loosened, the chuck grooves 101 are deformed and restored automatically, namely, the deformation of the notches of the chuck grooves 101 is reduced, the chuck grooves 101 are clamped on the bottleneck of the infusion bottle, and the positioning sheet 9 is fixed on the positioning groove of the puncture outfit through the positioning plug, so that the puncture outfit can be stably positioned on the infusion bottle plug through the puncture outfit plug, the problem that the puncture outfit is separated from the infusion bottle plug accidentally is avoided, and the infusion safety is improved;

the left chuck plate 102 and the right chuck plate 103 can be hung or wound by an infusion tube in the infusion apparatus, so that the problem of mopping caused by the overlong infusion tube is avoided; before infusion, an infusion needle of an infusion apparatus can be placed on the infusion needle placing groove 1021, so that the problem that the infusion needle is dragged to the ground or pricked by a person is avoided; after infusion, can fix a position infusion needle to infusion needle locating hole 1032 in, can guarantee depositing of infusion needle, can avoid the unexpected problem of pricking the people of infusion needle again, show and made things convenient for taking of medical personnel to infusion bottle and transfusion system.

In the process, the left chuck plate 102 and the right chuck plate 103 can be used for conveniently opening the notch of the chuck groove 101 and placing and positioning all parts in the infusion apparatus, so that the convenience of operation and taking of medical workers is obviously improved.

Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.