CN219895862U - Internal fistula needle - Google Patents

Internal fistula needle Download PDF

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Publication number
CN219895862U
CN219895862U CN202222366971.0U CN202222366971U CN219895862U CN 219895862 U CN219895862 U CN 219895862U CN 202222366971 U CN202222366971 U CN 202222366971U CN 219895862 U CN219895862 U CN 219895862U
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CN
China
Prior art keywords
tube
puncture needle
grooves
butt joint
needle
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CN202222366971.0U
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Chinese (zh)
Inventor
黄薇
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Taizhou Enze Medical Center Group
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Taizhou Enze Medical Center Group
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Priority to CN202222366971.0U priority Critical patent/CN219895862U/en
Application granted granted Critical
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Abstract

The utility model relates to the technical field of medical instruments, in particular to an internal fistula needle, which comprises a puncture needle tube, wherein the head end of the puncture needle tube is connected with the puncture needle, the tail end of the puncture needle tube is connected with a connector, the middle part of the puncture needle tube is integrally connected with a blood collection tube, the other end of the blood collection tube is connected with the blood collection tube, a tube clamp is arranged on the blood collection tube, a protection component is arranged between the blood collection tube and the puncture needle tube, and the puncture needle tube is accommodated in the protection component.

Description

Internal fistula needle
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an internal fistula needle.
Background
Hemodialysis is a treatment method for purifying blood in uremic patients with severe loss of renal function by using diffusion, convection, adsorption and other principles through a semipermeable membrane. Through the extracorporeal circulation of the hemodialysis machine, the redundant harmful toxins in the blood of the patient, the waste produced by metabolism and the excessive electrolyte are filtered and removed, so that the purposes of purifying the blood and balancing the electrolyte in the blood are achieved.
The maintenance hemodialysis patients need to perform blood sampling tests for various indexes such as hemoglobin, protein, calcium, phosphorus and the like each month. The conventional blood sampling for hemodialysis patients is performed at the arterial end blood sampling port of the dialysis line, but there is a problem that the readiness of index values is affected by dilution of the blood sample. Therefore, the current hospital adopts and directly carries out blood sampling from internal fistula needle interface department, applicant's prior application "CN213131171U" sets up the blood sampling shunting joint of tee bend at the infusion hose end, wherein first joint, second joint and infusion hose butt joint circulation, set up blood sampling socket butt joint blood sampling unit on the third joint and can let the nurse swiftly gather the blood sample that meets the requirements smoothly, when taking the blood in the puncture needle tubing, insert the blood sampling needle into blood sampling socket inside, the needle head pierces the mucilage binding lining, there is the condition that produces puncture sizing material residual needle head or mix into in the puncture needle tubing.
There is therefore a need for an internal fistula that addresses the above-described problems.
Disclosure of Invention
The present utility model is directed to an internal fistula needle to solve the above-mentioned problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an internal fistula needle, includes puncture needle tube, puncture needle tube head end is connected with the puncture needle, and puncture needle tube tail end is connected with the joint, puncture needle tube middle part integrated connection has the heparin tube, and the heparin tube other end is connected with the heparin tube, be provided with the pipe clamp on the heparin tube, be provided with protection component between heparin tube and the puncture needle tube, just puncture needle tube accomodates and sets up inside protection component, and the heparin tube sets up with puncture needle tube integration connection, can directly take a blood sample, prevents that the sample from solidifying, makes things convenient for clinical operation to simplify, need not to puncture the pipe wall when taking a blood sample to can avoid producing the residual syringe of puncture sizing material or mix the condition in the puncture needle tube, protection component's setting can carry out effectual protection to the heparin tube, is connected the heparin tube with puncture needle tube simultaneously, can conveniently use, and stop component carries out spacing fixed to the heparin tube, and is pollution-proof simultaneously, avoids infecting.
As the preferable scheme of the utility model, the protective component comprises a protective cover and a box body, one side of the protective cover is rotationally hinged with the box body, the other side of the protective cover is connected with the box body through a clamping component, a puncture needle tube groove and a blood taking tube groove are respectively formed in two sides of the lower surface of the box body, a puncture needle tube limit groove and a blood taking tube limit groove are respectively formed in the lower surface of the protective cover, corresponding to the puncture needle tube groove and the blood taking tube groove, limiting components are arranged in two sides of the blood taking tube groove, and the puncture needle tube groove, the blood taking tube groove, the puncture needle tube limit groove and the blood taking tube limit groove are matched to limit the puncture needle tube and the blood taking tube.
As a preferable scheme of the utility model, the limiting component comprises a group of limiting strips and limiting grooves which are symmetrically arranged on two sides of the blood collection tube, one end of each limiting groove is open, one side of the upper end face of each limiting groove is provided with an opening, the blood collection needle is inserted into each limiting groove through the opening, and the limiting grooves are used for inserting the blood collection needle to protect the needle head.
As a preferable scheme of the utility model, the clamping assembly comprises a plurality of butt joint grooves arranged on one side of the end face of the box body, a plurality of butt joint convex columns corresponding to the butt joint grooves are arranged on one side of the adjacent end faces of the protective cover and the box body, and the butt joint convex columns are matched and butted with the butt joint grooves to realize the clamping connection of the protective cover and the box body.
As a preferable scheme of the utility model, the two sides of the inside of the butt joint groove are connected with the bulges, the two sides of the butt joint convex column are inwards sunken to form the concave parts, the bulges are clamped into the concave parts, and the bulges are clamped into the concave parts at the two sides of the butt joint convex column through the insertion of the butt joint convex column into the butt joint groove, so that the clamping connection is realized.
As a preferable scheme of the utility model, one side of the box body is connected with a turnover cover in a turnover way, and the turnover cover is semi-cylindrical. The provision of the flip cover provides another protective assembly, which may be selected according to the actual use.
Compared with the prior art, the utility model has the beneficial effects that:
compared with the prior art, the utility model has the advantages that the blood collection tube and the puncture needle tube are integrally arranged, and the tube wall is not required to be punctured when the blood is collected in the puncture needle tube, so that the situation that a puncture sizing material remains in the needle tube or is mixed into the puncture needle tube can be avoided, meanwhile, the blood collection can be directly carried out, the sample is prevented from being coagulated, the clinical operation is convenient and simplified, the arrangement of the protective component can effectively prevent blood from being polluted and the surrounding environment from being polluted, and the inner control of a blood permeable hospital is facilitated.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present utility model;
FIG. 2 is a schematic view of an expanded structure of a first embodiment of the present utility model;
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to an embodiment of the present utility model;
FIG. 4 is an enlarged view of the portion B of FIG. 2 according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a protection component in a second embodiment of the present utility model.
In the figure: puncture needle tube 1, blood collection tube 2, protective component 3, protective cover 31, box 32, limit bar 33, butt joint groove 34, protruding 341, limit groove 35, opening 36, butt joint convex column 37, concave part 371, puncture needle tube limit groove 38, blood collection tube limit groove 39, flip cover 310, puncture needle tube groove 311, blood collection tube groove 312, joint 4, puncture needle 5.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-5, the present utility model provides a technical solution:
embodiment 1, please refer to fig. 1, 2 and 3, an internal fistula needle, including puncture needle tube 1, puncture needle tube 1 head end is connected with pjncture needle 5, and puncture needle tube 1 tail end connection has joint 4, puncture needle tube 1 middle part an organic whole is connected with heparin tube 2, the heparin tube 2 other end is connected with the heparin tube, be provided with the pipe clamp on heparin tube 2, be provided with protective component 3 between heparin tube and puncture needle tube 1, and puncture needle tube 1 accomodates and set up in protective component 3 inside, protective component 3 includes protective cover 31 and box body 32, protective cover 31 one side is articulated for rotating with box body 32, be connected through the block subassembly between protective cover 31 opposite side and the box body 32, puncture needle tube recess 311 and heparin tube recess 312 have been seted up respectively to box body 32 lower surface both sides, the heparin tube recess 312 has been seted up puncture needle tube limit groove 38 and heparin tube limit groove 39 respectively, heparin tube recess 312 both sides are provided with spacing subassembly, blood vessel 2 and puncture 1 integration connection set up, can be direct, make things convenient for setting up and easy clinical operation to simplify, need not puncture needle tube wall to take place in the time of puncture needle tube 1, prevent to mix into account in the puncture needle tube wall 1, can prevent the puncture needle tube recess from carrying out the puncture needle tube 1, can be carried out the puncture needle recess and prevent the puncture needle tube from carrying out the puncture needle tube 1 from carrying out the puncture needle recess, and carrying out the puncture needle tube 1 simultaneously, and prevent puncture needle tube 1 from being used as can be used for the puncture needle recess, and can be used as a needle, and can be used as a needle 1, and can be used as a needle, and can be used as 1, and can be used for 1.
The limiting component comprises a group of limiting strips 33 and limiting grooves 35 which are symmetrically arranged on two sides of the blood collection tube 2, one end of each limiting groove 35 is open, an opening 36 is formed in one side of the upper end face of each limiting groove 35, the blood collection needle is inserted into each limiting groove 35 through the opening 36, the clamping component comprises a plurality of butt joint grooves 34 which are formed on one side of the end face of the box body 32, a plurality of butt joint convex columns 37 corresponding to the positions of the butt joint grooves 34 are arranged on one side of the adjacent end faces of the protective cover 31 and the box body 32, the butt joint convex columns 37 are matched with the butt joint grooves 34 in butt joint mode, protrusions 341 are connected on two sides of the inside of the butt joint grooves 34, concave portions 371 are formed in the two sides of the butt joint convex columns 37 in an inward concave mode, the protrusions 341 are clamped into the concave portions 371, blood collection needles are inserted into the limiting grooves 35 to protect the needles, the needles are inserted into the butt joint grooves 34 through the butt joint convex columns 37, and clamping is achieved.
In embodiment 2, referring to fig. 5, a flip cover 310 is connected to one side of the case 32 in a flip manner, and the flip cover 310 is semi-cylindrical, and the provision of the flip cover 310 provides another protection component, which can be selected according to practical use.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an internal fistula needle, includes puncture needle tube (1), puncture needle tube (1) head end is connected with pjncture needle (5), and puncture needle tube (1) tail end connection has joint (4), its characterized in that: the blood taking device is characterized in that the middle of the puncture needle tube (1) is integrally connected with the blood taking tube (2), the other end of the blood taking tube (2) is connected with a blood taking needle, a tube clamp is arranged on the blood taking tube (2), a protection component (3) is arranged between the blood taking needle and the puncture needle tube (1), and the puncture needle tube (1) is contained and arranged inside the protection component (3).
2. An internal fistula needle as set forth in claim 1 wherein: the protection component (3) comprises a protection cover (31) and a box body (32), one side of the protection cover (31) is hinged to the box body (32) in a rotating mode, the other side of the protection cover (31) is connected with the box body (32) through a clamping component, puncture needle tube grooves (311) and blood collection tube grooves (312) are respectively formed in two sides of the lower surface of the box body (32), puncture needle tube grooves (311) and blood collection tube grooves (312) are respectively formed in the lower surface of the protection cover (31), puncture needle tube limit grooves (38) and blood collection tube limit grooves (39) are respectively formed in the corresponding lower surface of the protection cover (31), and limit components are arranged on two sides of the blood collection tube grooves (312).
3. An internal fistula needle as set forth in claim 2 wherein: the limiting component comprises a group of limiting strips (33) and limiting grooves (35) which are symmetrically arranged on two sides of the blood collection tube (2), one end of each limiting groove (35) is open, an opening (36) is formed in one side of the upper end face of each limiting groove, and the blood collection needle is inserted into each limiting groove (35) through the opening (36).
4. An internal fistula needle as set forth in claim 2 wherein: the clamping assembly comprises a plurality of butt joint grooves (34) arranged on one side of the end face of the box body (32), a plurality of butt joint convex columns (37) corresponding to the butt joint grooves (34) in position are arranged on one side of the adjacent end face of the protective cover (31) and the box body (32), and the butt joint convex columns (37) are matched and butted with the butt joint grooves (34).
5. The internal fistula needle of claim 4 wherein: the butt joint groove (34) is characterized in that protrusions (341) are connected to two sides of the inside of the butt joint groove, concave portions (371) are formed in the two sides of the butt joint protruding columns (37) in an inward concave mode, and the protrusions (341) are clamped into the concave portions (371).
6. An internal fistula needle as set forth in claim 2 wherein: one side of the box body (32) is connected with a turnover cover (310) in a turnover mode, and the turnover cover (310) is semi-cylindrical.
CN202222366971.0U 2022-09-07 2022-09-07 Internal fistula needle Active CN219895862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222366971.0U CN219895862U (en) 2022-09-07 2022-09-07 Internal fistula needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222366971.0U CN219895862U (en) 2022-09-07 2022-09-07 Internal fistula needle

Publications (1)

Publication Number Publication Date
CN219895862U true CN219895862U (en) 2023-10-27

Family

ID=88432316

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222366971.0U Active CN219895862U (en) 2022-09-07 2022-09-07 Internal fistula needle

Country Status (1)

Country Link
CN (1) CN219895862U (en)

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CB03 Change of inventor or designer information

Inventor after: Huang Wei

Inventor after: Wang Ying

Inventor before: Huang Wei