CN213759930U

CN213759930U - Infusion apparatus with adjustable length

Info

Publication number: CN213759930U
Application number: CN202022428842.0U
Authority: CN
Inventors: 陈海英
Original assignee: Shanghai Kaile Infusion Set Factory Co ltd
Current assignee: Shanghai Kaile Infusion Set Factory Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-23
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to an infusion apparatus with adjustable length relates to the medical instrument field, and it includes the infusion hose, still includes hose bundling device, and hose bundling device includes cylindrical casing and rotates the winding tubular column of installing in the casing, has seted up respectively on the side wall all around at tubular column both ends and has revolved to opposite spiral form winding pipe groove, and the winding pipe groove at winding tubular column both ends is linked together in the interlude of winding tubular column, sets up the poling hole of wearing to establish the infusion hose on the casing lateral wall. The infusion hose bundling device has the advantages that the infusion hose can be bundled in the hose bundling device, and the length of the infusion hose can be adjusted.

Description

Infusion apparatus with adjustable length

Technical Field

The application relates to the field of medical appliances, in particular to an infusion apparatus with adjustable length.

Background

A disposable infusion set is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic treatment and is used for intravenous infusion. Generally, the infusion apparatus is formed by connecting eight parts, namely a vein needle or an injection needle, a needle head protective cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like, and a part of the infusion apparatus also comprises an injection piece, a medicine adding port and the like.

In the related art, because the length of the infusion apparatus is designed in advance and cannot be adjusted, the situation that the infusion hose is overlong and hangs in the air often occurs in practical use. Under the condition, the infusion hose is easily hung by foreign matters, the whole infusion apparatus is dragged, and the potential safety hazard exists when the length of the infusion hose of the infusion apparatus is too long.

In view of the above-mentioned related art, the inventor considers that a length-adjustable infusion set is needed to reduce the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to reduce the potential safety hazard that the infusion hose overlength caused, this application provides an infusion set with adjustable length, has the infusion hose adjustable length's of infusion set effect.

The application provides an infusion apparatus with adjustable length adopts following technical scheme:

the utility model provides an infusion apparatus with adjustable length, includes the infusion hose, still includes hose bundling ware, hose bundling ware includes that cylindrical casing is installed with rotating winding tube column in the casing, set up respectively on the week side lateral wall at winding tube column both ends and revolve to opposite heliciform winding pipe groove, the winding pipe groove at winding tube column both ends is linked together in the interlude of winding tube column, set up on the casing lateral wall and wear to establish infusion hose's poling hole.

Through adopting above-mentioned technical scheme, rotate and tighten up the infusion hose around the tubular column, avoid the infusion hose overlength that hangs down. The infusion hose is bundled in the pipe winding groove, the infusion hose is well protected, the wound infusion hose can be prevented from being squeezed with each other, and the wound infusion hose section is prevented from influencing the normal circulation of the liquid medicine; the winding pipe column is provided with two sections with opposite rotation directions, and when the winding pipe column is rotated, the two ends of the bundling device can simultaneously wind or unwind the infusion hose, so that the winding and unwinding efficiency of the infusion hose is accelerated; set up the casing outward around the tubular column and can protect around the infusion hose on the tubular column, have simultaneously and block the effect, avoid infusion hose to drop from around the tubular column.

Optionally, the self-locking device further comprises a self-locking assembly arranged between the shell and the winding pipe column and providing elastic locking force for the shell and the winding pipe column.

Through adopting above-mentioned technical scheme, set up the rotation that the auto-lock subassembly was fixed around the tubular column, and then avoid around the infusion hose pine on the tubular column to take off.

Optionally, the auto-lock subassembly is including setting up circumference latch in the casing is in with the setting around the elasticity latch on the tubular column, the elasticity latch with circumference latch joint cooperation, the circumference latch be with around the coaxial internal gear structure of tubular column.

Through adopting above-mentioned technical scheme, the circumference latch of elasticity latch cooperation internal gear structure realizes fixed around the circumference of tubular column, and under great external drive's the condition, the elasticity latch just can switch between the tooth's socket of difference through elastic deformation, and then carries out fixable's rolling or unreels the action.

Optionally, the circumference latch sets up the one end of casing just runs through the casing, be close to around the tubular column the one end coaxial of circumference latch is provided with cylindrical joint portion, the elasticity latch is fixed in joint portion is last.

Through adopting above-mentioned technical scheme, with circumference latch and elasticity latch setting in the one end of casing, the installation of auto-lock subassembly is comparatively convenient, and is convenient for observe, can be real-time observe the cooperation between spring latch and the circumference latch, better understanding hose buncher's operating condition.

Optionally, the elastic latch is an elastic metal sheet bent into a triangular tooth shape, an embedding groove for embedding the elastic latch is formed in the clamping portion, and the elastic latch is engaged with the circumferential latch.

Through adopting above-mentioned technical scheme, set up triangular elasticity latch and circumference latch meshing, the tooth's socket piece cooperation of elasticity latch and circumference latch is inseparabler, optimizes the structure of auto-lock subassembly.

Optionally, one end of the clamping portion, which is far away from the winding pipe column, is fixed with a rotating and screwing portion for rotating the whole winding pipe column.

By adopting the technical scheme, the screwing part is arranged to serve as a force application structure, so that the winding pipe column is convenient to screw and wind, and the infusion hose is convenient to be bundled or unreeled.

Optionally, a cylindrical rotating portion is coaxially fixed at one end of the winding pipe column, a rotating groove is formed in the end face, away from one end of the circumferential latch, of the shell corresponding to the rotating portion, and the rotating portion is rotatably inserted into the rotating groove.

Through adopting above-mentioned technical scheme, rotation portion and rotation groove cooperation make around the tubular column rotation install on the casing.

Optionally, a smooth transition is formed at a communication position between two sections of winding pipe grooves with different directions of rotation on the winding pipe column.

Through adopting above-mentioned technical scheme, avoid the infusion hose to buckle in the transition around the pipe groove, protect the infusion hose, reduce the infusion hose and receive the destruction at the coiling in-process.

Optionally, the pipe penetrating hole is a waist-shaped hole formed along the axial direction of the shell, and the length of the pipe penetrating hole is greater than the axial length of the pipe winding groove in the pipe winding column.

Through adopting above-mentioned technical scheme, the poling hole cooperation is set up around the tubular column, and infusion hose's the position of being qualified for the next round of competitions can freely remove in the poling hole along with the rolling degree.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the hose bundling device, the long infusion hose is stored, so that medical personnel can flexibly bundle the infusion hose according to needs, the overlong hung infusion hose is avoided, and potential safety hazards are reduced;

through setting up the auto-lock subassembly, the elasticity locking around the tubular column is realized around the elasticity latch on the tubular column in the cooperation of circumference latch on the casing, can change promptly around the tubular column during the use and stop convenient to use.

Drawings

FIG. 1 is a schematic diagram of an infusion set;

FIG. 2 is a schematic view of the hose restrainer in the embodiment of the present application;

FIG. 3 is a schematic diagram of the structure around the pipe string in an embodiment of the present application;

FIG. 4 is a top view of FIG. 2;

fig. 5 is a cross-sectional view a-a of fig. 2.

Reference numerals: 1. an infusion set; 11. a flexible infusion tube; 12. a speed regulator; 2. a hose bundler; 21. a housing; 211. perforating the tube holes; 212. circumferential latch teeth; 213. a rotating groove; 22. winding the pipe column; 221. winding the pipe groove; 222. a clamping part; 223. caulking grooves; 224. a screwing part; 225. a rotating part; 23. elastic latch.

Detailed Description

The following application is described in further detail in conjunction with the accompanying figures 1-5.

The embodiment of the application discloses an infusion apparatus with adjustable length, which comprises an infusion apparatus 1 and a hose bundling device 2, and is shown in figures 1 and 2. Referring to fig. 1, the infusion set 1 is provided with a plurality of sections of infusion hoses 11, and in the conventional infusion set 1, the section of the infusion hose 11 provided with a speed regulator 12 is generally the hose section with the longest length, and a hose bundling device 2 is arranged on the section of the infusion hose 11.

Referring to fig. 2 and 3, the hose buncher 2 comprises a hollow cylindrical housing 21 and a winding stem 22 rotatably mounted in the housing 21, the winding stem 22 being coaxially arranged with the housing 21. Referring to fig. 3, the winding column 22 is cylindrical as a whole, a spiral winding pipe slot 221 is coaxially formed on the circumference of the winding column 22, the cross section of the winding pipe slot 221 is arc-shaped, the winding pipe slot 221 is divided into an upper section and a lower section, the rotation directions of the two sections of winding pipe slots 221 are opposite, the two sections of winding pipe slots 221 are communicated with each other, and arc-shaped smooth transition is formed at the communication position; referring to fig. 2 again, a tube passing hole 211 for passing the infusion hose 11 is formed in the side wall of the circumferential side of the housing 21, the infusion hose 11 enters the housing 21 from the tube passing hole 211 and then is wound on the winding tube column 22, the tube passing hole 211 is a waist-shaped hole formed along the axial direction of the housing 21, and an edge on the wall of the tube passing hole 211 is chamfered so as to reduce the abrasion of the wall of the hole to the infusion hose 11.

A self-locking assembly is resiliently disposed between the stem 22 and the housing 21 to limit rotation of the two. Referring to fig. 2, one end of the housing 21 is coaxially provided with a circumferential latch 212 of an internal gear structure, and the circumferential latch 212 penetrates through an end surface of the housing 21; referring to fig. 2 and 3, a cylindrical clamping portion 222 is coaxially and integrally arranged around one end of the pipe column 22 close to the circumferential clamping tooth 212, a caulking groove 223 is formed in the clamping portion 222, an elastic clamping tooth 23 is embedded in the caulking groove 223, the elastic clamping tooth 23 is a triangular tooth shape formed by bending elastic metal, and two sides of the triangular tooth are embedded in the caulking groove 223 in the clamping portion 222. Referring to fig. 4, the resilient latch 23 is in engagement with the circumferential latch 212. The self-locking assembly comprises an elastic latch 23 and a circumferential latch 212, a rectangular-parallelepiped-shaped screwing part 224 is integrally arranged at one end of the clamping part 222, which is far away from the winding column 22, the screwing part 224 is rotated, the winding column 22 rotates through elastic deformation of the elastic latch 23, and the elastic latch 23 and the circumferential latch 212 are matched to form axial locking under the condition of not applying large external force.

Referring to fig. 5, a cylindrical rotating portion 225 is coaxially and integrally disposed around the bottom of the pipe string 22, a cylindrical rotating groove 213 is disposed at the bottom of the housing 21 corresponding to the rotating portion 225, and the rotating portion 225 is rotatably inserted into the rotating groove 213, so that a relatively stable rotating connection is formed between the pipe string 22 and the housing 21.

The implementation principle of the infusion apparatus with the adjustable length disclosed by the embodiment of the application is as follows: the hose bundling device 2 is arranged, and the infusion hose 11 is wound by means of the winding pipe column 22, so that the length of the infusion hose 11 is flexibly controlled, the overlong infusion hose 11 is avoided, and further potential safety hazards are reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An infusion set with adjustable length comprises an infusion hose (11), and is characterized in that: still include hose and receive bundle ware (2), hose is received bundle ware (2) and is installed including cylindrical casing (21) and rotation winding tubular column (22) in casing (21), set up respectively on the week side lateral wall at winding tubular column (22) both ends and revolve to opposite spiral and wind tube bank (221), wind tube bank (221) at tubular column (22) both ends and be linked together in the interlude around tubular column (22), set up on casing (21) lateral wall and wear to establish wear to manage hole (211) of infusion hose (11).

2. A length adjustable infusion set according to claim 1, characterised in that: the self-locking device further comprises a self-locking assembly arranged between the shell (21) and the winding column (22) and providing elastic locking force for the shell and the winding column.

3. A length adjustable infusion set according to claim 2, wherein: the auto-lock subassembly is including setting up circumference latch (212) in casing (21) is in with the setting around elasticity latch (23) on tubular column (22), elasticity latch (23) with circumference latch (212) joint cooperation, circumference latch (212) be with around the coaxial internal gear structure of tubular column (22).

4. A length adjustable infusion set according to claim 3, wherein: circumference latch (212) set up the one end of casing (21) and run through casing (21), it is close to around tubular column (22) the coaxial cylindrical joint portion (222) that is provided with of one end of circumference latch (212), elasticity latch (23) are fixed on joint portion (222).

5. A length adjustable infusion set according to claim 4, wherein: the elastic latch (23) is an elastic metal sheet bent into a triangular tooth shape, an embedding groove (223) embedded with the elastic latch (23) is formed in the clamping portion (222), and the elastic latch (23) is meshed with the circumferential latch (212).

6. A length adjustable infusion set according to any one of claims 4 to 5, characterised in that: and a screwing part (224) for rotating the whole coiled pipe column (22) is fixed at one end of the clamping part (222) far away from the coiled pipe column (22).

7. A length adjustable infusion set according to any one of claims 3 to 5, characterised in that: a cylindrical rotating part (225) is coaxially fixed at one end of the winding pipe column (22), a rotating groove (213) is formed in the end face, away from one end of the circumferential clamping tooth (212), of the shell (21) and corresponds to the rotating part (225), and the rotating part (225) is rotatably inserted into the rotating groove (213).

8. A length adjustable infusion set according to any one of claims 1 to 5, characterised in that: smooth transition is formed at the communication position between the two sections of pipe winding grooves (221) with different directions of rotation on the pipe winding column (22).

9. A length adjustable infusion set according to any one of claims 1 to 5, characterised in that: the pipe penetrating hole (211) is a waist-shaped hole formed in the axial direction of the shell (21), and the length of the pipe penetrating hole (211) is larger than the axial length of a pipe winding groove (221) in the pipe winding column (22).