CN112245768A - Vein puncture catheterization protection device - Google Patents

Vein puncture catheterization protection device Download PDF

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Publication number
CN112245768A
CN112245768A CN202011149309.9A CN202011149309A CN112245768A CN 112245768 A CN112245768 A CN 112245768A CN 202011149309 A CN202011149309 A CN 202011149309A CN 112245768 A CN112245768 A CN 112245768A
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CN
China
Prior art keywords
cloth
protection device
flexible belt
groove
limiting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011149309.9A
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Chinese (zh)
Inventor
邓媛媛
张进
李文均
肖正权
黄丽君
饶竟
周蓉
黄家英
喻建清
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Chongqing University Cancer Hospital
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Chongqing University Cancer Hospital
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Publication date
Application filed by Chongqing University Cancer Hospital filed Critical Chongqing University Cancer Hospital
Priority to CN202011149309.9A priority Critical patent/CN112245768A/en
Publication of CN112245768A publication Critical patent/CN112245768A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • A61M39/105Multi-channel connectors or couplings, e.g. for connecting multi-lumen tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1586Holding accessories for holding infusion needles on the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • A61M2025/0206Holding devices, e.g. on the body where the catheter is secured by using devices worn by the patient, e.g. belts or harnesses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • A61M2025/0266Holding devices, e.g. on the body using pads, patches, tapes or the like

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Vascular Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention relates to the technical field of medical auxiliary appliances. The utility model discloses a vein puncture catheterization protection device, which comprises a piece of disinfection cloth, wherein the disinfection cloth is provided with a flexible belt, the width of the flexible belt is not less than the distance between two adjacent control valves, and the thickness of the flexible belt is not more than the distance between the control valves and a three-way pipe; the sterilizing cloth is provided with a limiting mechanism for limiting the flexible belt. The scheme mainly solves the problems that the existing three-way joint and the infusion needle are directly placed on the patient body and are not provided with protective measures, so that the three-way joint and the infusion needle are easily collided by the outside, the three-way joint is separated from the infusion needle, and the treatment effect of the patient is influenced.

Description

Vein puncture catheterization protection device
Technical Field
The invention relates to the technical field of medical auxiliary appliances.
Background
The vein puncture catheterization is generally performed under local anesthesia, and a specially-made puncture pipeline is placed into the lumens of deep veins such as internal jugular vein, subclavian vein, femoral vein and the like after body surface marker positioning or color ultrasound positioning. The channel can be used for quickly supplementing liquid, inputting hypertonic liquid and high nutrient solution, monitoring central venous pressure and guiding the fluid supplementation and rescue of critically ill patients, and is widely applied to critically ill patients who need long-term venous nutrition, venous chemotherapy and other patients.
At present, a sufficient number of three-way joints are added on a venipuncture cannula according to the condition of a patient, and the three-way joints are used for introducing different treatment liquids into the venipuncture cannula and further inputting the liquids into the body of the patient; the three-way joint comprises a three-way pipe and a control valve for controlling the three-way pipe to be opened and closed, and the three-way pipe and the control valve are both in a T shape; one end of the three-way pipe is connected with a heparin cap, and the treatment liquid is inserted into the heparin cap through the infusion needle and is introduced into the venipuncture indwelling tube; in the actual operation process, three way connection and transfusion needle all directly place on the patient, do not set up safeguard procedures to it, lead to three way connection and transfusion needle to be collided by the external world easily, cause three way connection and transfusion needle separation, and then influence the treatment to the patient.
Disclosure of Invention
The invention aims to provide a protection device for a venipuncture catheter, which aims to solve the problem that the treatment effect of a patient is influenced because a three-way joint and an infusion needle are easily separated due to external collision because the three-way joint and the infusion needle are directly placed on the patient and no protection measures are set for the three-way joint and the infusion needle at present.
In order to achieve the above object, the basic scheme of the invention is as follows: a vein puncture catheterization protection device comprises disinfection cloth, wherein a flexible belt is arranged on the disinfection cloth, the width of the flexible belt is not less than the distance between two adjacent control valves, and the thickness of the flexible belt is not more than the distance between the control valves and a three-way pipe; and the sterilizing cloth is provided with a limiting mechanism for limiting the flexible belt.
The advantages of the basic scheme are:
1. according to the scheme, a plurality of three-way joints are sequentially connected to the venipuncture catheter according to the state of illness of a patient, the three-way joints are vertically arranged, and the three-way joints are communicated; placing a plurality of three-way joints on the sterilizing cloth, connecting the right end of each three-way pipe with a heparin cap, communicating the upper end and the right end of the three-way pipe through a control valve, and inserting the needle head of the infusion needle into the heparin cap; the three-way joint and the infusion needle are limited by the limiting mechanism, so that the three-way joint and the infusion needle are fixed on the sterilizing cloth; then the left end of the disinfection cloth is folded along the pointer, so that the left end of the disinfection cloth covers the venipuncture catheter, the three-way joint and the infusion needle; then the right end of the disinfection cloth is folded anticlockwise, so that the right end of the disinfection cloth is positioned above the left end of the disinfection cloth, and the venipuncture catheter, the three-way joint and the infusion needle are wrapped by the left end and the right end of the disinfection cloth for protection; compared with the prior art, the scheme can avoid direct contact between the heparin cap and the infusion needle and external contact through the wrapping protection mode, and also avoids the situation that the heparin cap and the infusion needle are separated from the infusion needle due to external collision, namely, the three-way joint is prevented from being separated from the infusion needle, and the treatment effect on a patient is ensured.
2. According to the scheme, the width of the flexible belt is not smaller than the distance between two adjacent control valves, so that the flexible belt can be limited through the two adjacent control valves, the flexible belt is prevented from sliding automatically, and the limiting effect on the three-way joint and the infusion needle is enhanced.
3. According to the scheme, the thickness of the flexible belt is not larger than the distance between the control valve and the three-way pipe, so that the limiting effect on the flexible belt can be enhanced through the control valve and the three-way pipe, and the limiting effect on the three-way joint and the infusion needle is further enhanced.
Furthermore, stop gear includes two spacing areas that set up along disinfection cloth central line symmetry, spacing area and disinfection cloth rigid coupling, and form between spacing area and the disinfection cloth and be used for the flexible band to pass and spacing hole.
Through the arrangement, a gap exists between the control valve and the three-way pipe; after the above operation is completed, the flexible belt is held to sequentially perform the following operations:
1. the free end of the flexible belt passes through the left limiting hole;
2. the free end of the flexible belt passes through the gap between two adjacent three-way joints;
3. the free end of the flexible belt passes through the limiting hole on the right side;
4. the free end of the flexible belt reversely and sequentially bypasses the right limiting hole and the left limiting hole, so that the flexible belt is positioned above the left limiting belt and the right limiting belt; the free end of the flexible belt finally extends into the limiting hole on the left side.
Further, the width of the limiting hole is not larger than that of the flexible belt.
Through the arrangement, the flexible belt can be limited through the limiting hole, and then the limiting of the three-way joint and the infusion needle is realized, so that the three-way joint and the infusion needle are fixed on the disinfection cloth.
Further, the distance between the control valve and the three-way pipe is not less than twice of the thickness of the flexible belt.
Through the setting, because the interval (namely the clearance) of control valve and three-way pipe equals the twice of flexible area thickness, can strengthen the spacing effect to the flexible area through control valve and three-way pipe, and then strengthen the spacing effect to three way connection and transfusion needle.
Furthermore, the bottom of disinfection cloth is equipped with the location bag, and the one end that disinfection cloth is close to the location bag covers three way connection after folding, and the one end that disinfection cloth kept away from the location bag covers the other end of disinfection cloth after folding and stretches into in the location bag.
Through the arrangement, the one end of the disinfection cloth far away from the positioning bag is folded and placed into the positioning bag, the one end of the disinfection cloth far away from the positioning bag can be limited, and the protection effect on the three-way connector and the infusion needle is further enhanced.
Further, the width of the positioning bag is not more than the width of one end of the disinfection cloth far away from the positioning bag.
Through the arrangement, the limiting effect of the positioning bag on the sterilizing cloth can be further enhanced, and the protection effect on the three-way connector and the infusion needle is further enhanced.
Furthermore, a supporting plate is arranged on the sterilizing cloth and is positioned between the two limiting belts; the top of backup pad is equipped with the fixed plate, be equipped with a plurality of recesses that are used for placing three way connection on the fixed plate, and a plurality of recesses communicate with each other.
Through the arrangement, the three-way joints are placed in the grooves, the limiting effect on the three-way joints can be achieved, and the shaking of the three-way joints is reduced.
Furthermore, a plurality of cavities are arranged in the supporting plate and are positioned between two adjacent grooves; the supporting plate is provided with a sliding chute communicated with the plurality of cavities, and a rack is connected in the sliding chute in a sliding manner; the side wall of the fixed plate is rotatably connected with a plurality of rotating shafts extending into the cavity, the rotating shafts are provided with pressing arms and gears meshed with the racks, and the gears are positioned in the cavity; and a stopping part for stopping the rack is also included.
Through the arrangement, the side arm of the needle head of the infusion needle is provided with the side lug, and the side lug is convenient for medical staff to hold the needle head and insert the needle head into the heparin cap; the rack is pulled to move upwards, the rack drives the gear to rotate, the gear drives the rotating shaft to rotate, and the rotating shaft drives the pressing arm to rotate towards the side lug; the rack is positioned through the stop part, the compression arm extrudes the side lug to be abutted against the supporting plate, so that the side lug is positioned, the infusion needle is positioned, and the infusion needle is prevented from being separated from the heparin cap.
Furthermore, the stopping part comprises a guide block fixedly connected with the support plate and a guide groove formed in the guide block, the guide groove is connected with a stopping block in a sliding mode, a first spring is arranged between the stopping block and the guide groove, and the free end of the stopping block is a spherical surface; and a stop groove for a stop block to extend into is arranged on the side arm of the rack, and the free end of the stop block is abutted against the side wall of the rack.
Through the arrangement, when the stop block is opposite to the stop groove, the stop block extends into the stop groove under the action of the first spring, so that the rack is positioned.
Further, the groove comprises a vertical section and a horizontal section communicated with the vertical section, a transverse groove is formed in the vertical section, a vertical groove is formed in the horizontal section, and the transverse groove is communicated with the vertical groove; a wedge block for compressing the three-way joint is connected in the transverse groove in a sliding manner; the vertical grooves are connected with vertical blocks in a sliding mode, and the vertical blocks are fixedly connected with the rack; and a wedge face groove is formed in the vertical block, and the wedge block is abutted to the wedge face groove.
Through the arrangement, when the rack is positioned, the pressing arm extrudes the side lug to be abutted against the supporting plate, so that the side lug is positioned, and the infusion needle is positioned.
In addition, during the upward movement of the rack, the rack can drive the vertical block to move upward synchronously, so that the wedge surface groove on the vertical block extrudes the wedge block to move leftward; when the rack is positioned, the free end of the wedge block is abutted against the three-way pipe, so that the three-way pipe is positioned, and the three-way joint is further positioned.
The scheme improves the stability of connection of the infusion needle and the heparin cap by synchronously positioning the infusion needle and the three-way joint.
Drawings
FIG. 1 is a top view of a first embodiment of a venipuncture catheter installation protection device of the present invention;
fig. 2 is a top view of a second embodiment of the venipuncture catheter-placement protection device of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a sterilizing cloth 1, a flexible belt 2, a limiting belt 3, a three-way joint 4, a control valve 411, a three-way pipe 412, a heparin cap 5, an infusion needle 6, a positioning bag 7, a supporting plate 8, a fixing plate 9, a groove 10, a vertical section 1011, a horizontal section 1012, a chamber 11, a rack 12, a rotating shaft 13, a gear 14, a pressing arm 15, a guide block 16, a stop block 17, a stop groove 18, a wedge block 19 and a vertical block 20.
Example one
Substantially as shown in figure 1: a tube protection device is put in vein puncture, includes aseptic cloth 1, and the rigid coupling has flexible band 2 on aseptic cloth 1, and the width of flexible band 2 is greater than the interval of two adjacent control valves 411, and the interval of control valve 411 and three-way pipe 412 equals the twice of flexible band 2 thickness.
The sterilizing cloth 1 is provided with a limiting mechanism for limiting the flexible belt 2, the limiting mechanism comprises two limiting belts 3 which are arranged along the central line of the sterilizing cloth 1 in a bilateral symmetry manner, and the flexible bag is positioned on the left side of the left limiting belt 3; the limiting belt 3 is fixedly connected with the sterilizing cloth 1, a limiting hole for the flexible belt 2 to penetrate through and limit is formed between the limiting belt 3 and the sterilizing cloth 1, and the width of the limiting hole is smaller than that of the flexible belt 2.
The bottom of the left end of the sterilizing cloth 1 is fixedly connected with a positioning bag 7, the left end of the sterilizing cloth 1 is folded clockwise to cover a plurality of three-way joints 4, and the right end of the sterilizing cloth 1 is folded to cover the left end of the sterilizing cloth 1 and extend into the positioning bag 7; the width of the positioning bag 7 is less than that of the right end of the sterilizing cloth 1.
The specific implementation process is as follows:
when in use, the venipuncture indwelling tube is sequentially connected with a plurality of three-way joints 4 according to the state of illness of a patient, the three-way joints 4 are vertically arranged, and the three-way joints 4 are communicated; placing a plurality of three-way joints 4 in the middle of the sterilizing cloth 1, wherein the three-way joints 4 are positioned between the two limiting belts 3; the right end of each three-way pipe 412 is connected with a heparin cap 5, the upper end and the right end of each three-way pipe 412 are communicated through a control valve 411, then the needle head of the infusion needle 6 is inserted into the heparin cap 5, and the connection position of the infusion needle 6 and the heparin cap 5 is wound by an adhesive tape, so that the connection sealing performance is improved.
A gap is formed between the control valve 411 and the three-way pipe 412; after the above operations are completed, the flexible band 2 is held to perform the following operations in sequence:
1. the free end of the flexible belt 2 passes through the left limiting hole;
2. the free end of the flexible belt 2 passes through the gap between two adjacent three-way joints 4;
3. the free end of the flexible belt 2 passes through the limiting hole on the right side;
4. the free end of the flexible belt 2 reversely and sequentially bypasses the right limiting hole and the left limiting hole, so that the flexible belt 2 is positioned above the left limiting belt 3 and the right limiting belt 3; the free end of the flexible band 2 finally extends into the left limit hole.
Because the width of the limiting hole is smaller than that of the flexible belt 2, the flexible belt 2 can be limited through the limiting hole, and further the three-way joint 4 and the infusion needle 6 are limited, so that the three-way joint 4 and the infusion needle 6 are fixed on the sterilizing cloth 1; because the width of the flexible belt 2 is larger than the distance between two adjacent control valves 411, the flexible belt 2 can be limited through the two adjacent control valves 411, so that the flexible belt 2 is prevented from sliding automatically, and the limiting effect on the three-way joint 4 and the infusion needle 6 is enhanced; because the distance (i.e. the clearance) between the control valve 411 and the three-way pipe 412 is equal to twice the thickness of the flexible belt 2, the limiting effect on the flexible belt 2 can be enhanced through the control valve 411 and the three-way pipe 412, and the limiting effect on the three-way joint 4 and the infusion needle 6 is further enhanced.
Folding the left end of the sterilizing cloth 1 along the pointer to enable the left end of the sterilizing cloth 1 to be positioned above the venipuncture catheter, the three-way joint 4 and the infusion needle 6, and enabling the positioning bag 7 to be upward; then, the right end of the sterilizing cloth 1 is folded anticlockwise, so that the right end of the sterilizing cloth 1 is positioned above the positioning bag 7; then the right end of the disinfection cloth 1 is extended into the positioning bag 7, so that the venipuncture indwelling catheter, the three-way joint 4 and the infusion needle 6 are wrapped by the left end and the right end of the disinfection cloth 1 for protection; because the width of location bag 7 is less than the width of aseptic cloth 1 right-hand member, consequently, can carry on spacingly to the right-hand member of aseptic cloth 1 through location bag 7, and then strengthen the protection effect to the vein puncture puts pipe, three way connection 4 and transfusion needle 6.
According to the scheme, the three-way joint 4 and the infusion needle 6 can be limited through the flexible belt 2, so that the three-way joint 4 and the infusion needle 6 are firmly fixed on the sterilizing cloth 1; through both ends parcel vein puncture about aseptic cloth 1 again and put pipe, three way connection 4 and transfusion needle 6, can play the guard action to three way connection 4 and transfusion needle 6, avoid heparin cap 5 and transfusion needle 6 direct and external contact, also avoided heparin cap 5 and transfusion needle 6 to be caused the condition of heparin cap 5 and transfusion needle 6 separation by external collision, guaranteed the treatment to the patient.
After the protection measures for the three-way joint 4 and the infusion needle 6 are finished, the treatment liquid is introduced into the three-way pipe 412 through the infusion needle 6, so that the treatment liquid enters the body of the patient through the venipuncture catheter.
Example two
As shown in fig. 2, the structure and implementation of the second embodiment are substantially the same as those of the first embodiment, and the difference is that: a support plate 8 is fixedly connected to the sterilizing cloth 1, and the support plate 8 is positioned between the two limit belts 3; the top of the supporting plate 8 is fixedly connected with a fixing plate 9, the fixing plate 9 is provided with a plurality of grooves 10 for placing the three-way joints 4, each groove 10 comprises a vertical section 1011 and a horizontal section 1012 communicated with the vertical section 1011, and the vertical sections 1011 of the grooves 10 are communicated.
A plurality of cavities 11 are formed in the supporting plate 8, the plurality of cavities 11 are positioned on the right side of the groove 10, and each cavity 11 is positioned between two adjacent horizontal sections 1012; the supporting plate 8 is provided with a chute communicated with the plurality of cavities 11, and a rack 12 is connected in the chute in a sliding way; the side wall of the fixed plate 9 is rotatably connected with a plurality of rotating shafts 13 extending into the cavity 11, the rotating shafts 13 are fixedly connected with pressing arms 15 and gears 14 meshed with the racks 12, and the gears 14 are positioned in the cavity 11; the locking device further comprises a locking part for locking the rack 12, wherein the locking part comprises a guide block 16 fixedly connected with the support plate 8 and a guide groove formed in the guide block 16, a locking block 17 is connected in the guide groove in a sliding manner, a first spring is fixedly connected between the locking block 17 and the guide groove, and the free end of the locking block 17 is a spherical surface; the side arm of the rack 12 is provided with a stop groove 18 for the stop block 17 to extend into, the stop groove 18 is also spherical, the free end of the stop block 17 is abutted against the side wall of the rack 12, and the stop groove 18 is positioned on the motion track of the stop block 17.
A horizontal groove is formed in the vertical section 1011, a vertical groove is formed in the horizontal section 1012, and the horizontal groove is communicated with the vertical groove; a wedge block 19 for compressing the three-way joint 4 is connected in the transverse groove in a sliding way; a vertical block 20 is connected in the vertical groove in a sliding manner, and the vertical block 20 is fixedly connected with the rack 12; the vertical block 20 is provided with a wedge surface groove, and the wedge block 19 is abutted against the wedge surface groove.
The specific implementation process is as follows:
a number of tees 4 are placed into the vertical section 1011 so that the right end of the tees 4 are located in the horizontal section 1012.
A side ear is arranged on the side arm of the needle head of the transfusion needle 6, and the side ear is convenient for medical staff to hold the needle head and insert the needle head into the heparin cap 5; the rack 12 is pulled to move upwards, the rack 12 drives the gear 14 to rotate, the gear 14 drives the rotating shaft 13 to rotate, and the rotating shaft 13 drives the pressing arm 15 to rotate towards the side lug direction; when the stop block 17 is opposite to the stop groove 18, the stop block 17 extends into the stop groove 18 under the action of the first spring, so that the rack 12 is positioned.
When the rack 12 is positioned, the pressing arm 15 extrudes the side lug to abut against the support plate 8, so that the side lug is positioned, and the infusion needle 6 is further positioned.
In addition, during the upward movement of the rack 12, the rack 12 drives the vertical block 20 to move upward synchronously, so that the wedge surface groove on the vertical block 20 extrudes the wedge block 19 to move leftward; when the rack 12 is positioned, the free end of the wedge 19 abuts against the three-way pipe 412, so that the three-way pipe 412 and the three-way joint 4 are positioned.
The scheme improves the stability of connection of the infusion needle 6 and the heparin cap 5 by synchronously positioning the infusion needle 6 and the three-way joint 4; after the transfusion needle 6 and the three-way joint 4 are positioned, the flexible belt 2 is used for positioning the three-way joint 4, and finally the left end and the right end of the sterilizing cloth 1 are folded.
The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the invention has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a tub protection device is put in venipuncture which characterized in that: the sterilizing device comprises sterilizing cloth, wherein a flexible belt is arranged on the sterilizing cloth, the width of the flexible belt is not less than the distance between two adjacent control valves, and the thickness of the flexible belt is not more than the distance between the control valves and a three-way pipe; and the sterilizing cloth is provided with a limiting mechanism for limiting the flexible belt.
2. A venipuncture cannula protection device according to claim 1, wherein: the limiting mechanism comprises two limiting belts symmetrically arranged along the central line of the disinfection cloth, the limiting belts are fixedly connected with the disinfection cloth, and limiting holes for the flexible belts to penetrate through and limit are formed between the limiting belts and the disinfection cloth.
3. A venipuncture cannula protection device according to claim 2, wherein: the width of the limiting hole is not larger than that of the flexible belt.
4. A venipuncture cannula protection device according to claim 3, wherein: the distance between the control valve and the three-way pipe is not less than twice of the thickness of the flexible belt.
5. A venipuncture cannula protection device according to claim 4, wherein: the bottom of disinfection cloth is equipped with the location bag, covers three way connection after the one end that disinfection cloth is close to the location bag is folded, and the disinfection cloth is kept away from the one end of location bag and is covered the other end of disinfection cloth after folding and stretch into in the location bag.
6. A venipuncture cannula protection device according to claim 5, characterized in that: the width of the positioning bag is not more than the width of one end of the disinfection cloth far away from the positioning bag.
7. A venipuncture cannula protection device according to claim 6, characterized in that: the sterilizing cloth is provided with a supporting plate, and the supporting plate is positioned between the two limiting belts; the top of backup pad is equipped with the fixed plate, be equipped with a plurality of recesses that are used for placing three way connection on the fixed plate, and a plurality of recesses communicate with each other.
8. A venipuncture cannula protection device according to claim 7, wherein: a plurality of cavities are arranged in the supporting plate and are positioned between two adjacent grooves; the supporting plate is provided with a sliding chute communicated with the plurality of cavities, and a rack is connected in the sliding chute in a sliding manner; the side wall of the fixed plate is rotatably connected with a plurality of rotating shafts extending into the cavity, the rotating shafts are provided with pressing arms and gears meshed with the racks, and the gears are positioned in the cavity; and a stopping part for stopping the rack is also included.
9. A venipuncture cannula protection device according to claim 8, wherein: the stop part comprises a guide block fixedly connected with the support plate and a guide groove formed in the guide block, the guide groove is connected with a stop block in a sliding mode, a first spring is arranged between the stop block and the guide groove, and the free end of the stop block is a spherical surface; and a stop groove for a stop block to extend into is arranged on the side arm of the rack, and the free end of the stop block is abutted against the side wall of the rack.
10. A venipuncture cannula protection device according to claim 9, wherein: the groove comprises a vertical section and a horizontal section communicated with the vertical section, a transverse groove is formed in the vertical section, a vertical groove is formed in the horizontal section, and the transverse groove is communicated with the vertical groove; a wedge block for compressing the three-way joint is connected in the transverse groove in a sliding manner; the vertical grooves are connected with vertical blocks in a sliding mode, and the vertical blocks are fixedly connected with the rack; and a wedge face groove is formed in the vertical block, and the wedge block is abutted to the wedge face groove.
CN202011149309.9A 2020-10-23 2020-10-23 Vein puncture catheterization protection device Pending CN112245768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011149309.9A CN112245768A (en) 2020-10-23 2020-10-23 Vein puncture catheterization protection device

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CN202875948U (en) * 2012-11-26 2013-04-17 刘瑛 Fixing strap of tee joint used for clinical transfusion
CN206103093U (en) * 2016-07-13 2017-04-19 戴婷 Aseptic protector of center vein catheterization
CN208838758U (en) * 2018-07-24 2019-05-10 上海正邦医疗科技有限公司 A kind of improved iv cannule
CN208877554U (en) * 2018-06-08 2019-05-21 重庆医科大学附属第三医院(捷尔医院) A kind of children's infusion needle fixation device for facilitating observation
CN208927383U (en) * 2018-07-23 2019-06-04 江苏大学附属医院 A kind of central vein catheter tail end fixing device
CN209405474U (en) * 2018-09-14 2019-09-20 温州市中心医院 A kind of novel cavity mirror medicament injection apparatus
CN210186157U (en) * 2019-01-07 2020-03-27 郭维翰 Multifunctional medical venous three-way aseptic fixer
CN210873636U (en) * 2019-08-02 2020-06-30 李圣平 Anesthesia support
CN211244932U (en) * 2019-12-20 2020-08-14 兰州大学第二医院 Central venous catheterization fixing device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202875948U (en) * 2012-11-26 2013-04-17 刘瑛 Fixing strap of tee joint used for clinical transfusion
CN206103093U (en) * 2016-07-13 2017-04-19 戴婷 Aseptic protector of center vein catheterization
CN208877554U (en) * 2018-06-08 2019-05-21 重庆医科大学附属第三医院(捷尔医院) A kind of children's infusion needle fixation device for facilitating observation
CN208927383U (en) * 2018-07-23 2019-06-04 江苏大学附属医院 A kind of central vein catheter tail end fixing device
CN208838758U (en) * 2018-07-24 2019-05-10 上海正邦医疗科技有限公司 A kind of improved iv cannule
CN209405474U (en) * 2018-09-14 2019-09-20 温州市中心医院 A kind of novel cavity mirror medicament injection apparatus
CN210186157U (en) * 2019-01-07 2020-03-27 郭维翰 Multifunctional medical venous three-way aseptic fixer
CN210873636U (en) * 2019-08-02 2020-06-30 李圣平 Anesthesia support
CN211244932U (en) * 2019-12-20 2020-08-14 兰州大学第二医院 Central venous catheterization fixing device

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