CN115089844B

CN115089844B - Intravenous catheter assembly

Info

Publication number: CN115089844B
Application number: CN202210688887.2A
Authority: CN
Inventors: 杨黎婷; 周炜; 田水清; 万永慧
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2023-05-30
Anticipated expiration: 2042-06-17
Also published as: CN115089844A

Abstract

The application relates to the field of medical supplies, and disclose a vein puts tube assembly, including imbedding in the main pipe in the vein, be located outside the vein and with the branch pipe of main pipe intercommunication first and be in charge of two, vein puts tube assembly still includes the switching rubber case, the lateral strip hole with the inner chamber intercommunication is all offered to switching rubber case both sides wall, branch pipe first and branch pipe respectively pass the lateral strip hole of both sides, the bottom hole that passes with the inner chamber intercommunication and be used for the main pipe is offered to switching rubber case's bottom, rotate in the switching rubber case inner chamber and be provided with inside hollow swing strip, be provided with the horizontal switching hose in the swing strip inner chamber, branch pipe first and branch pipe second respectively with the both ends intercommunication of horizontal switching hose, the middle part intercommunication of horizontal switching hose has the perpendicular switching hose, the one end and the main pipe intercommunication of horizontal switching hose are kept away from to the perpendicular switching hose. The utility model discloses a can hide the not used and be in charge of, reduce not used and be in charge of and cause uncomfortable feeling to the patient.

Description

Intravenous catheter assembly

Technical Field

The application relates to the field of medical supplies, in particular to a vein catheterization assembly.

Background

Intravenous catheterization is a common treatment mode in clinical work, clinical inpatients need to carry out infusion every day, and in order to reduce pain caused by the patients puncturing veins every day, an indwelling needle can be embedded in the vein, so that the patients can be prevented from puncturing for many times every day, and intravenous infusion treatment is smoothly carried out. Vein catheterization also includes deep vein catheterization, which is commonly used for emergency patients, as well as for patients undergoing chemotherapy for long periods of time, where emergency needs to be pushed in quickly, even with quick resting and dispensing, and replenishing liquids to save the patient's life. If a chemotherapy patient adopts a shallow vein catheterization, the shallow vein can be stimulated, and the deep vein catheterization avoids the stimulation of chemotherapy drugs to blood vessels and the pain and discomfort of the patient.

However, in the process of implementing the technical scheme of the embodiment of the present application, the inventor of the present application finds that at least the following technical problems exist: at present, the vein catheterization consists of a main pipe embedded in a vein and two branch pipes positioned outside, and when one branch pipe is used, the other branch pipe is still exposed outside, so that discomfort of a patient can be caused, and rehabilitation of the patient is influenced.

Disclosure of Invention

According to the intravenous catheter assembly, the technical problem that the patient is uncomfortable due to the fact that one of the catheters is still outside the other catheter when the other catheter is used in the prior art is solved, the catheters which are not used can be hidden, and uncomfortable feeling to the patient caused by the catheters which are not used is reduced.

The embodiment of the application provides a vein puts pipe assembly, including imbedding in the main pipe in the vein, lie in the vein outside and with the branch pipe of main pipe intercommunication is first and be in charge of two, vein puts the pipe assembly still including switching rubber case, the lateral strip hole with the inner chamber intercommunication is all seted up to switching rubber case both sides wall, be in charge of one with the lateral strip hole that the branch pipe passed both sides respectively, the bottom hole that passes with the inner chamber intercommunication and be used for the main pipe is seted up to switching rubber case's bottom, be provided with inside hollow swing strip in the switching rubber case inner chamber, be provided with horizontal switching hose in the swing strip inner chamber, be in charge of one with be in charge of two respectively with the both ends intercommunication of horizontal switching hose, the middle part intercommunication of horizontal switching hose has vertical switching hose, vertical switching hose keep away from the one end of horizontal switching hose with the main pipe intercommunication.

Further, a tightening mechanism is arranged in the transfer rubber box and comprises first strips which are symmetrically arranged and fixedly connected between the side wall of one side of the swinging strip, which is far away from the main pipe, and the side wall of the inner cavity of the transfer rubber box, and moving blocks which are positioned in the transfer rubber box, wherein the moving blocks are close to the bottom holes, the main pipe penetrates through the moving blocks and is fixed on the moving blocks, second strips which are symmetrically arranged are fixedly connected between the moving blocks and the swinging strip, vertical transfer hoses are positioned between the two sides of the second strips, and swinging assemblies which move the moving blocks are respectively arranged between the two sides of the moving blocks and the two side walls of the transfer rubber box.

Further, the swinging component comprises a first fixed end plate vertically arranged and fixedly connected to the inner side wall of the transfer rubber box, a second fixed end plate vertically arranged and fixedly connected to the side wall of the moving block, and a hinged plate hinged between the first fixed end plate and the second fixed end plate.

Further, a plurality of groups of swinging assemblies are arranged between the side wall of the moving block and the side wall of the transfer rubber box, and hinge plates among the plurality of groups of swinging assemblies are parallel to each other.

Further, the top surface of the moving block is vertically and fixedly connected with a first push rod penetrating through the top surface of the switching rubber box, a first path groove for the first push rod to move is formed in the switching rubber box, a second push rod penetrating through the top surface of the switching rubber box is vertically and fixedly connected on the swinging strip, and a second path groove for the second push rod to move is formed in the switching rubber box.

Further, two ends of the swinging strip are arc-shaped, and the two ends of the swinging strip are bent towards the direction of the bottom hole.

Further, a first magnet is fixedly connected to one side surface of the swinging strip, which is opposite to the main pipe, and a second magnet used for being adsorbed with the first magnet is fixedly connected to the side wall of the switching rubber box.

Further, the corner of the switching rubber box, which is close to two sides of one end of the swinging strip, is in a chamfer shape, and the magnet II is fixedly connected to the inner wall of the corner.

One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:

1. because the switching rubber box and the swinging strip are adopted, when the tightening mechanism is loose, the swinging strip can swing freely in the switching rubber box, then an operator can hold the push rod II at one end of the unused branched pipe and push the push rod II inwards, the unused branched pipe can swing to move into the side strip hole until the branched pipe is hidden in the switching rubber box, thereby hiding the unused branched pipe, and reducing uncomfortable feeling of the unused branched pipe to a patient.

2. Due to the adoption of the tightening mechanism, when the tightening mechanism tightens, the swinging strip can be in a stable state, and then the two ends of the swinging strip are in a stable state, so that the first and second branch pipes can be stably used, and pain caused to a patient can be reduced.

3. Due to the adoption of the swinging assembly, the moving block can be firmly arranged at the position far away from one side of the bottom hole under the action of the swinging assembly, the second belt strip and the first belt strip can be in a loose state, so that the swinging strip can swing freely, the moving block can be firmly arranged at the position close to the bottom hole, the second belt strip and the first belt strip can be in a tight state, and the swinging strip can be in a stable state.

Drawings

FIG. 1 is a schematic view of the overall structure of an intravenous catheter assembly according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an intravenous catheter assembly according to an embodiment of the present application;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2, primarily illustrating the construction of the rocking bar;

FIG. 4 is a schematic view of a portion of the structure of FIG. 2, primarily illustrating the structure of the swing assembly;

FIG. 5 is a schematic view of a portion of the structure of FIG. 4, primarily illustrating the construction of the moving block;

in the figure: 11. a header pipe; 12. a first branch pipe; 13. a second branch pipe; 2. a transfer rubber box; 21. a side bar hole; 22. a bottom hole; 23. a path groove I; 24. a path groove II; 3. a swinging bar; 31. a second push rod; 4. a transverse connection hose; 5. a hose is vertically connected; 6. a tightening mechanism; 61. a first belt strip; 62. a moving block; 621. a push rod I; 63. a second belt strip; 64. a swing assembly; 641. fixing the first end plate; 642. fixing the second end plate; 643. a hinged plate; 71. a first magnet; 72. and a second magnet.

Detailed Description

The embodiment of the application discloses vein catheterization subassembly, operating personnel can hold push rod one 621, and make push rod one 621 to keeping away from the one side of bottom hole 22 and promote, utilize the removal of push rod one 621 to drive the removal of movable block 62, under the effect of swing subassembly 64, can make movable block 62 firm in the position department of keeping away from one side of bottom hole 22, thereby can make swing strip 3 free swing, then operating personnel can hold push rod two 31 of the one end that need not to use the cannon and inwards push, can make the cannon swing that need not to use move to in the side bar hole 21, and until making the cannon hide to in the switching rubber box 2, thereby can realize hiding the cannon, reduce the cannon that does not use and cause uncomfortable to the patient.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, a venous catheter assembly comprises a main pipe 11, a branch pipe I12, a branch pipe II 13, a switching rubber box 2, a swinging strip 3, a transverse switching hose 4, a vertical switching hose 5 and a tightening mechanism 6. The inside cavity of switching rubber box 2, and switching rubber box 2 is made by the rubber material, and switching rubber box 2 is the cuboid form of thickness weak, and bottom hole 22 has been seted up to the bottom surface of switching rubber box 2 one end, and bottom hole 22 communicates with the inner chamber of switching rubber box 2, and the corner of the both sides of the other end is the chamfer form, and lateral stripe hole 21 has been seted up to switching rubber box 2 both sides wall, and lateral stripe hole 21 is arranged in the lateral wall of switching rubber box 2 and keeps away from the one end of bottom hole 22, and the length direction of lateral stripe hole 21 is unanimous with the length direction of switching rubber box 2.

Referring to fig. 2, the main pipe 11 is inserted into the bottom hole 22, one end of the main pipe 11 is positioned in the transfer rubber box 2, the other end of the main pipe 11 is positioned outside the transfer rubber box 2, and one end of the main pipe 11 positioned outside the transfer rubber box 2 is used for being embedded in a vein; the first branch pipe 12 and the second branch pipe 13 are respectively positioned in side strip holes 21 on two sides, one end of the first branch pipe 12 is positioned in the switching rubber box 2, the other end of the first branch pipe is positioned outside the switching rubber box 2, one end of the second branch pipe 13 is positioned in the switching rubber box 2, and the other end of the second branch pipe is positioned outside the switching rubber box 2.

Referring to fig. 2, the swinging bar 3 is horizontally disposed in the adaptor rubber box 2, the length direction of the swinging bar 3 is perpendicular to the length direction of the adaptor rubber box 2, the swinging bar 3 is located at one end of the adaptor rubber box 2 far away from the bottom hole 22, and two ends of the swinging bar 3 are arc-shaped and bent towards the direction of the bottom hole 22. A first magnet 71 is fixedly connected to one side surface of the swinging strip 3, which is opposite to the main pipe 11, the first magnet 71 is vertically arranged, the first magnets 71 are provided with a plurality of magnets and are uniformly distributed along the radian direction of the swinging strip 3, a second magnet 72 used for being adsorbed by the first magnet 71 is fixedly connected to the side wall of the switching rubber box 2, and the second magnet 72 is fixedly connected to the inner wall of the chamfer at the corner. By swinging the swinging bar 3 to one side, the magnet two 72 at one end of the swinging bar 3 can be attracted to the magnet one 71, and the swinging bar 3 can be tilted to one side. In addition, a second push rod 31 penetrating through the top surface of the switching rubber box 2 is vertically fixedly connected to the swinging strip 3, two push rods 31 are arranged at two ends of the swinging strip 3 respectively, and a second path groove 24 for moving the second push rod 31 is formed in the switching rubber box 2. At this time, the operator can swing the swinging bar 3 by using the push rod two 31 outside the adapter rubber box 2.

Referring to fig. 3 and 4, the swinging strip 3 is hollow, the transverse connection hose 4 is located in the inner cavity of the swinging strip 3, one end of the transverse connection hose 4 is communicated with the branch pipe one 12, and the other end of the transverse connection hose 4 is communicated with the branch pipe two 13. One end of the vertical transfer hose 5 is communicated with the middle part of the horizontal transfer hose 4, and the other end passes through the swinging strip 3 and is communicated with one end of the main pipe 11 in the inner cavity of the transfer rubber box 2.

Referring to fig. 4 and 5, the tightening mechanism 6 includes a first strap 61, a moving block 62, a second strap 63, and a swing assembly 64. The first belt strips 61 are arranged on two sides of the middle part of the swinging strip 3, one end of the first belt strips 61 is fixedly connected to one side wall of the swinging strip 3, which is opposite to the bottom hole 22, the other end of the first belt strips 61 is fixedly connected to the bottom surface of the inner cavity of the switching rubber box 2, which is located at one end of the chamfer angle, and the interval between the two belt strips 61 at one end of the swinging strip 3 is larger than the interval between the two belt strips at one end of the switching rubber box 2. The movable block 62 is positioned in the transfer rubber box 2, the movable block 62 is positioned near the bottom hole 22, the main pipe 11 passes through the movable block 62 and is fixedly connected with the movable block 62, the top surface of the movable block 62 is vertically fixedly connected with a first push rod 621 which passes through the top surface of the transfer rubber box 2, and the transfer rubber box 2 is provided with a first path groove 23 for the movement of the first push rod 621. The first path groove 23 is shaped like a bar and has a longitudinal direction which coincides with the longitudinal direction of the manifold 11. The second belt strips 63 are arranged, the second belt strips 63 are respectively positioned at two sides of the vertical transfer hose 5, one end of the second belt strips 63 is fixedly connected to the side wall of the swinging strip 3, which faces to the bottom hole 22, and the other end of the second belt strips 63 is fixedly connected to the moving block 62.

Referring to fig. 4 and 5, the swinging assemblies 64 are provided with a plurality of groups, and the number of groups of the swinging assemblies 64 is an even number, in an implementation, the swinging assemblies 64 may be 6 groups, and the 6 groups of swinging assemblies 64 are symmetrically disposed on two sides of the moving block 62. The swinging assembly 64 includes a first fixed end plate 641, a second fixed end plate 642 and a hinge plate 643, the first fixed end plate 641, the second fixed end plate 642 and the hinge plate 643 are all vertically arranged, the first fixed end plate 641 and the second fixed end plate 642 are both short plates, the hinge plate 643 is a long plate, the first fixed end plate 641 is vertically fixedly connected to the side wall of the transfer rubber box 2 in the length direction, the second fixed end plate 642 is vertically fixedly connected to the side wall of the moving block 62, the hinge plate 643 is hinged between the first fixed end plate 641 and the second fixed end plate 642, and the hinge plates 643 in the swinging assemblies 64 on two adjacent sides are mutually parallel.

The operator can hold the first push rod 621 and push the first push rod 621 to one side of the bottom hole 22, the movement of the first push rod 621 drives the movement of the moving block 62, the movement of the moving block 62 drives the movement of the second fixed end plate 642, the movement of the second fixed end plate 642 causes the hinge plate 643 to swing to one side of the bottom hole 22, so that the moving block 62 is firmly fixed at a position close to the bottom hole 22, in addition, the movement of the moving block 62 causes the second belt 63 and the first belt 61 to be in a tight state, so that the swinging strip 3 is firmly fixed, both ends of the swinging strip 3 are not inclined, and when the moving block 62 is moved to one side far from the bottom hole 22, the moving block 62 is firmly fixed at a position far from one side of the bottom hole 22 under the action of the swinging assembly 64, so that the second belt 63 and the first belt 61 are in a loose state, and one end of the swinging strip 3 can be inclined to one side at the moment.

The present application may illustrate its functional principles by the following modes of operation:

when only the first branch pipe 12 or the second branch pipe 13 is needed, an operator can hold the first branch pipe 621, push the first branch pipe 621 to the side far away from the bottom hole 22, the movement of the first branch pipe 621 is utilized to drive the movement of the moving block 62, the moving block 62 is enabled to be firmly fixed at the position far away from the side of the bottom hole 22 under the action of the swinging component 64, so that the swinging strip 3 can swing freely, then the operator can hold the second branch pipe 31 at one end without using the branch pipe and push the second branch pipe inwards, so that the branch pipe without using the branch pipe swings to move into the side strip hole 21 until the branch pipe is hidden into the switching rubber box 2, and accordingly, the unused branch pipe can be hidden, and discomfort to a patient is reduced.

When the first branch pipe 12 and the second branch pipe 13 are needed to be used simultaneously, an operator can hold the first push rod 621, push the first push rod 621 to one side of the bottom hole 22, and the movement of the first push rod 621 is utilized to drive the movement of the moving block 62, so that the moving block 62 is firmly fixed at a position close to the bottom hole 22 under the action of the swinging component 64, the second strip 63 and the first strip 61 are in a tight state, the swinging strip 3 is in a stable state, the first branch pipe 12 and the second branch pipe 13 at two ends of the swinging strip 3 are in a stable state, and the first branch pipe 12 and the second branch pipe 13 can be used stably, so that the pain caused to a patient can be reduced.

In addition, due to the arrangement of the first push rod 621 and the second push rod 31, an operator can move and swing the moving block 62 and the swinging strip 3 in the interior outside the transfer rubber box 2, and then can operate the components in the rubber transfer box 2 without opening the interior of the transfer rubber box 2, so that the operation of the operator is facilitated.

The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, within the scope of the present application, should apply to the present application, and all equivalents and modifications as fall within the scope of the present application.

Claims

1. The vein catheterization assembly comprises a main pipe (11) embedded in a vein, a first branch pipe (12) and a second branch pipe (13) which are positioned outside the vein and are communicated with the main pipe (11), and is characterized in that the vein catheterization assembly further comprises a switching rubber box (2), side strip holes (21) communicated with an inner cavity are formed in two side walls of the switching rubber box (2), the first branch pipe (12) and the second branch pipe (13) respectively penetrate through the side strip holes (21) on two sides, a bottom hole (22) communicated with the inner cavity and used for the main pipe (11) to penetrate through is formed in the bottom of the switching rubber box (2), a swinging strip (3) with a hollow inside is arranged in the inner cavity of the switching rubber box (2), a transverse connection hose (4) is arranged in the inner cavity of the swinging strip (3), the first branch pipe (12) and the second branch pipe (13) are respectively communicated with two ends of the transverse connection hose (4), a vertical hose (5) is communicated with the middle part of the transverse connection hose (4), and the vertical connection hose (5) is far away from one end of the main pipe (11);

the automatic tightening device is characterized in that a tightening mechanism (6) is arranged in the transfer rubber box (2), the tightening mechanism (6) comprises a first belt strip (61) which is symmetrically arranged and fixedly connected between the side wall of one side of the swinging strip (3) far away from the main pipe (11) and the side wall of the inner cavity of the transfer rubber box (2), and a moving block (62) which is arranged in the transfer rubber box (2), the moving block (62) is close to the bottom hole (22), the main pipe (11) passes through the moving block (62) and is fixed on the moving block (62), a second belt strip (63) which is symmetrically arranged is fixedly connected between the moving block (62) and the swinging strip (3), a vertical transfer hose (5) is arranged between the two belt strips (63), and swinging assemblies (64) which move the moving block (62) are arranged between the two sides of the moving block (62) and the two side walls of the transfer rubber box (2);

the top surface vertical rigid coupling of movable block (62) has and passes push rod one (621) of switching rubber box (2) top surface, be used for offer on switching rubber box (2) push rod one (621) the route groove one (23) of removal, vertical rigid coupling has on swing strip (3) and passes push rod two (31) of switching rubber box (2) top surface, be used for offer on switching rubber box (2) push rod two (31) the route groove two (24) of removal.

2. The intravenous catheter assembly of claim 1, wherein the swing assembly (64) comprises a first fixed end plate (641) vertically disposed and fixedly attached to an inner side wall of the adaptor rubber box (2), a second fixed end plate (642) vertically disposed and fixedly attached to a side wall of the moving block (62), and a hinge plate (643) hinged between the first fixed end plate (641) and the second fixed end plate (642).

3. A intravenous catheter assembly as claimed in claim 2, wherein a plurality of sets of swinging assemblies (64) are provided between the side walls of the moving block (62) and the side walls of the adaptor rubber box (2), and hinge plates (643) between the plurality of sets of swinging assemblies (64) are parallel to each other.

4. A venous catheter assembly as claimed in claim 1, characterized in that the ends of the oscillating bar (3) are curved and the ends of the oscillating bar (3) are curved in the direction of the bottom hole (22).

5. A venous catheterization assembly as claimed in claim 4, characterized in that a magnet one (71) is fixedly connected to a side surface of the swinging strip (3) facing away from the main pipe (11), and a magnet two (72) for being adsorbed to the magnet one (71) is fixedly connected to a side wall of the transfer rubber box (2).

6. The intravenous catheter assembly according to claim 5, wherein the corner of the adapter rubber box (2) near the two sides of one end of the swinging strip (3) is in a chamfer shape, and the magnet II (72) is fixedly connected to the inner wall of the corner.