CN110124161B - Infusion port injection seat fixing device - Google Patents
Infusion port injection seat fixing device Download PDFInfo
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- CN110124161B CN110124161B CN201910432707.2A CN201910432707A CN110124161B CN 110124161 B CN110124161 B CN 110124161B CN 201910432707 A CN201910432707 A CN 201910432707A CN 110124161 B CN110124161 B CN 110124161B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Organic Chemistry (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a fixing device for an injection seat of an infusion port, which comprises a main body structure, a limiting structure and a protective structure, wherein the limiting structure is arranged at the upper part of the main body structure; the major structure includes circular fixed plate, go up protruding circle, protruding circle down, run through circular fixed plate and go up protruding circle and protruding circle down first breach, go up protruding circle an organic whole and set up in the upper portion central point department of putting of circular fixed plate, the integrative bottom central point department of putting that sets up at circular fixed plate of protruding circle down, and the inside of protruding circle and the inside of going up protruding circle link up the setting each other down, limit structure includes annular mount pad, cylinder, plectane, runs through the second breach of annular mount pad and cylinder and plectane. The invention can prevent the injection seat of the infusion port from moving under the skin of a patient, prevent an infusion needle from puncturing the upper edge of the injection seat of the infusion port, and effectively ensure that the infusion needle can be smoothly inserted into the injection seat of the infusion port to infuse the patient.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a fixing device for an injection seat of an infusion port.
Background
PORT (PORT) is a closed infusion device that is fully implanted in the body and includes a catheter portion having a tip located in the superior vena cava and an injection site that is implanted subcutaneously.
The injection seat of the infusion port is generally circular and is not fixed but free when being embedded under the skin, so that the injection seat of the infusion port is easy to move under the skin of a patient when the patient is infused, the infusion needle is easy to pierce the upper edge of the injection seat of the infusion port, the infusion needle cannot be communicated with the inside of the injection seat of the infusion port, and the infusion needle cannot be smoothly inserted into the inside of the injection seat of the infusion port for infusion of the patient.
Disclosure of Invention
In view of the disadvantages of the prior art, an object of the present invention is to provide a fixing device for an injection seat of an infusion port, which can prevent the injection seat of the infusion port from moving under the skin of a patient, prevent an infusion needle from piercing the upper edge of the injection seat of the infusion port, and effectively ensure that the infusion needle can be smoothly inserted into the injection seat of the infusion port to infuse the patient, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a fixing device for an injection seat of an infusion port comprises a main body structure, a limiting structure and a protection structure, wherein the limiting structure is arranged at the upper part of the main body structure, and the protection structure is arranged at the bottom of the main body structure;
the main body structure comprises a circular fixing plate, an upper convex ring, a lower convex ring and a first gap penetrating through the circular fixing plate, the upper convex ring and the lower convex ring, the upper convex ring is integrally arranged at the central position of the upper part of the circular fixing plate, the lower convex ring is integrally arranged at the central position of the bottom of the circular fixing plate, and the inner part of the lower convex ring and the inner part of the upper convex ring are mutually communicated;
the limiting structure comprises an annular mounting seat, a cylinder body, a circular plate and a second notch penetrating through the annular mounting seat, the cylinder body and the circular plate, the annular mounting seat is movably sleeved outside the upper convex ring, the annular mounting seat is detachably mounted on the upper portion of the circular fixing plate through a screw, the cylinder body is integrally arranged at the central position of the upper portion of the annular mounting seat, the circular plate is integrally arranged at the upper end portion of the cylinder body, a limiting hole is formed in the central position of the circular plate, the limiting hole is communicated with the second notch, and the limiting hole is communicated with the interior of the lower convex ring;
the protective structure comprises an annular silica gel ring and a third notch penetrating through the annular silica gel ring, the annular silica gel ring is fixedly sleeved outside the lower convex ring, the upper surface of the annular silica gel ring is connected with the bottom of the circular fixing plate through glue in a bonding mode, and the third notch is communicated with the second notch and the first notch respectively.
By adopting the technical scheme, the main structure is used for supporting the whole device and consists of a circular fixing plate, an upper convex ring, a lower convex ring and a first notch, the circular fixing plate is used for the foundation of the device, the upper convex ring is used for installing a limiting structure, and the lower convex ring is used for installing a protective structure; the inner spaces of the upper convex ring and the lower convex ring are used for accommodating the injection seat of the transfusion port; the limiting structure is used for limiting the central position of the upper part of the injection seat of the infusion port so as to ensure that an infusion needle can be smoothly inserted into the injection seat of the infusion port when a patient is infused with the infusion, and the limiting structure consists of an annular mounting seat, a cylinder, a circular plate, a second notch and a limiting hole, wherein the circular mounting seat is used for fixing the circular plate and the cylinder outside the upper convex ring, and the limiting hole is used for limiting the regional range of the central position of the upper part of the injection seat of the infusion port; the protective structure is used for protecting the skin of a patient from being scratched or being painful, has an anti-skidding function, and can avoid the slipping phenomenon between the device and the skin of the patient when in use, so that the injection seat of the infusion port is prevented from moving under the skin of the patient, the infusion needle can be ensured to be smoothly inserted into the injection seat of the infusion port for infusion of the patient, the protective structure is composed of an annular silica gel ring and a third notch, the protective performance of the protective structure is better, the main body structure can be prevented from being directly contacted with the skin of the patient, the buffer performance is better, and the use comfort performance of the device can be effectively improved; in addition, first breach, second breach and third breach are used for the device when the transfusion needle successfully inserts infusion port injection seat inside, conveniently take off the device, and in addition, limit structure and protective structure all can be changed when damaging to make the device practicality better.
Further, evenly be equipped with a plurality of anti-skidding lines on the lower surface of annular silica gel circle.
Through adopting above-mentioned technical scheme, evenly be equipped with a plurality of anti-skidding lines on the lower surface of annular silica gel circle, can effectively increase the anti-skidding effect of annular silica gel circle.
Further, the inner edge of the third notch is aligned with the inner edge of the second notch and the inner edge of the first notch.
Through adopting above-mentioned technical scheme, all align the setting with the inward flange of third breach and the inward flange of second breach and the inward flange of first breach, when preventing to take off the device, scraping phenomenon takes place for the device and transfusion needle to guarantee that the device can take off smoothly after using.
Furthermore, three mounting holes matched with the screws are uniformly formed in the annular mounting seat.
Through adopting above-mentioned technical scheme, evenly seted up three and screw assorted mounting hole on annular mount pad, be convenient for install annular mount pad through the screw and fix.
Furthermore, three threaded holes matched with the screws are uniformly formed in the circular fixing plate.
Through adopting above-mentioned technical scheme, evenly set up three and screw assorted screw hole on the shape fixed plate, conveniently pass through screw fixed mounting with annular mount pad on circular fixed plate.
Furthermore, the screws are all hexagon socket head cap screws, and the edges of the heads of the screws are all in a fillet structure.
Through adopting above-mentioned technical scheme, all adopt the screw for hexagon socket head cap screw, be convenient for twist through hexagon socket head cap spanner and move this screw, and make this screw not fragile, can avoid the unable dismantlement of this screw, all set up the head edge of screw to the radius angle structure, can prevent that the head edge of screw from putting medical personnel's hand of hindering to make the device use more safely.
Furthermore, two finger sleeves are fixedly mounted on the upper portion of the annular mounting seat, and the two finger sleeves are symmetrically arranged by taking the central axis of the second notch as a symmetry axis.
Through adopting above-mentioned technical scheme, when using the device, be convenient for insert the inside of two dactylotheca with forefinger and thumb, be convenient for press the device, can prevent that the device from removing on patient's skin.
Furthermore, the outer edge of the upper part of the annular mounting seat, the inner edge of the bottom of the lower convex ring and the outer edge of the bottom of the annular silica gel ring are both in a rounded structure.
Through adopting above-mentioned technical scheme, can prevent that the upper portion outward flange of annular mount pad from putting medical personnel's hand, the bottom inward flange of lower convex circle and the bottom outward flange of annular silica gel circle can prevent to put the skin that hurts the patient.
Furthermore, the annular mounting seat with the cylinder and the plectane are made of PVC flexible glue material, just the annular mounting seat with the cylinder and the plectane are transparent colourless.
Through adopting above-mentioned technical scheme, annular mount pad and cylinder and plectane all adopt PVC flexible glue material to make for the limit structure surface has certain flexibility, can improve the device's use travelling comfort, all sets up annular mount pad and cylinder and plectane into transparent colourless, is convenient for see through the plectane and looks over the position of infusion port injection seat.
Furthermore, the circular fixing plate, the upper convex ring and the lower convex ring are all made of stainless steel materials.
Through adopting above-mentioned technical scheme, circular fixed plate and last convex ring and protruding circle down all adopt stainless steel to make for the device overall structure is more stable, non-deformable, durable, long service life.
Further, the annular silica gel ring is prepared by the following method:
weighing the following raw materials in parts by weight: 40-60 parts of methyl vinyl phenyl silicone rubber, 8-12 parts of polyurethane, 15-18 parts of zinc oxide powder, 15-20 parts of nano silver powder, 3-5 parts of p-phenylenediamine, 4-6 parts of diethyl thiourea, 4-6 parts of paraffin oil and 2-4 parts of tricresyl phosphate;
s1, adding the weighed methyl vinyl phenyl silicone rubber and polyurethane into a pulverizer for pulverization, and setting the rotation speed of the pulverizer to be 600-800r/min to obtain a pulverized mixed material;
s2, adding the crushed mixed material prepared in the step S1 into an internal mixer for internal mixing, setting the temperature of the internal mixer at 170 ℃, setting the rotating speed at 800r/min and setting the internal mixing time at 20-30min, and preparing the internal mixed material;
s3, adding the banburying material prepared in the step S2, zinc oxide powder, nano silver powder, p-phenylenediamine, diethyl thiourea, paraffin oil and tricresyl phosphate into a reaction kettle, stirring and mixing, setting the temperature of the reaction kettle at 200-220 ℃, setting the rotating speed at 800-1000r/min, and setting the stirring time at 18-26min to prepare a gluing material;
s4, adding the gluing material prepared in the step S3 into an ultrasonic dispersion machine for dispersion, setting the power of the ultrasonic dispersion machine to 200-240W, the temperature to 130-150 ℃, and the dispersion time to 20-30min to prepare a dispersion material;
s5, adding the dispersed material obtained in the step S4 into a mould press for press forming to obtain the annular silica gel ring.
Through adopting above-mentioned technical scheme, the process steps of preparation annular silica gel circle are simple, realize easily, and the annular silica gel circle durable of preparation, especially important antibacterial effect is better, can prevent effectively that the surface of annular silica gel circle from nourishing a large amount of bacteria to make the device clean health.
In summary, the invention mainly has the following beneficial effects:
1. according to the invention, when in use, the device is sleeved on the skin outside the injection seat of the infusion port, and then the forefinger and the thumb are inserted into the two finger sleeves, so that the device is convenient to press and can be prevented from moving on the skin of a patient, the injection seat of the infusion port is prevented from moving under the skin of the patient, an infusion needle is inserted into the central position of the upper part of the injection seat of the infusion port through the limiting hole, the infusion needle can be prevented from being punctured into the upper edge of the injection seat of the infusion port, and the infusion needle can be ensured to be smoothly inserted into the injection seat of the infusion port to infuse the patient;
2. according to the invention, the protective structure is used for protecting the skin of a patient from being scratched or painful, has an anti-skidding function, and can avoid the phenomenon of skidding between the device and the skin of the patient when in use, so that the injection seat of the infusion port is prevented from moving under the skin of the patient, the protective performance is better, the main body structure can be prevented from directly contacting with the skin of the patient, the buffer performance is better, and the use comfort performance of the device can be effectively improved;
3. according to the invention, the limiting structure is used for limiting the central position of the upper part of the injection seat of the infusion port so as to ensure that an infusion needle can be smoothly inserted into the injection seat of the infusion port when a patient is infused with an infusion, and the limiting structure and the protective structure can be replaced when damaged, so that the device has better practicability;
4. the medical screw is safe to use, hands of medical workers can be prevented from being hurt by the upper outer edge of the annular mounting seat and the head edge of the screw, and the skin of a patient can be prevented from being hurt by the bottom inner edge of the lower convex ring and the bottom outer edge of the annular silica gel ring;
5. according to the invention, the annular mounting seat, the cylinder body and the circular plate are all made of PVC soft rubber materials, so that the surface of the limiting structure has certain flexibility, the use comfort of the device can be improved, the annular mounting seat, the cylinder body and the circular plate are all transparent and colorless, the position of the injection seat of the infusion port can be conveniently checked through the circular plate, and the circular fixing plate, the upper convex ring and the lower convex ring are all made of stainless steel materials, so that the device is relatively stable in overall structure, not easy to deform, durable and long in service life;
6. the preparation method of the annular silica gel ring has the advantages that the preparation method of the annular silica gel ring is simple in process steps and easy to implement, the prepared annular silica gel ring is durable, and particularly the prepared annular silica gel ring has a good antibacterial effect and can effectively prevent the surface of the annular silica gel ring from nourishing a large amount of bacteria, so that the device is clean and sanitary.
Drawings
FIG. 1 is a schematic view of an embodiment of a port injection site securement device;
FIG. 2 is a schematic view of an exploded view of an embodiment of a port injection site securement device;
FIG. 3 is a schematic view of an alternative perspective exploded view of an embodiment of a port infusion seat securement device;
FIG. 4 is a schematic view of an alternate view of an embodiment of an infusion port injection site securement device;
FIG. 5 is a schematic top view of an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of an embodiment of the present invention.
In the figure: 1. a body structure; 2. a limiting structure; 3. a protective structure; 4. a circular fixing plate; 5. an upper convex ring; 6. a lower convex ring; 7. a first notch; 8. a threaded hole; 9. an annular mounting seat; 10. a cylinder; 11. a limiting hole; 12. a circular plate; 13. a second notch; 14. mounting holes; 15. finger stall; 16. a screw; 17. an annular silica gel ring; 18. and a third notch.
Detailed Description
The invention is described in further detail below with reference to figures 1-6.
Example 1
A fixing device for an injection seat of an infusion port comprises a main body structure 1, a limiting structure 2 and a protection structure 3, wherein the limiting structure 2 is installed at the upper part of the main body structure 1, and the protection structure 3 is installed at the bottom of the main body structure 1;
as shown in fig. 2-4 and 6, the main body structure 1 includes a circular fixing plate 4, an upper convex ring 5, a lower convex ring 6, and a first notch 7 penetrating through the circular fixing plate 4, the upper convex ring 5 and the lower convex ring 6, the upper convex ring 5 is integrally disposed at the upper center position of the circular fixing plate 4, the lower convex ring 6 is integrally disposed at the bottom center position of the circular fixing plate 4, and the inner portion of the lower convex ring 6 and the inner portion of the upper convex ring 5 are disposed to penetrate each other;
as shown in fig. 2-4 and 6, the limiting structure 2 includes an annular mounting base 9, a cylindrical body 10, a circular plate 12, and a second notch 13 penetrating through the annular mounting base 9, the cylindrical body 10, and the circular plate 12, wherein the annular mounting base 9 is movably sleeved outside the upper convex ring 5, the annular mounting base 9 is detachably mounted on the upper portion of the circular fixing plate 4 through a screw 16, the cylindrical body 10 is integrally disposed at the central position of the upper portion of the annular mounting base 9, the circular plate 12 is integrally disposed at the upper end portion of the cylindrical body 10, a limiting hole 11 is formed at the central position of the circular plate 12, the limiting hole 11 is communicated with the second notch 13, and the limiting hole 11 and the inside of the lower convex ring 6 are arranged in a mutually communicated manner;
as shown in fig. 2-4 and 6, the protective structure 3 includes an annular silica gel ring 17 and a third gap 18 penetrating through the annular silica gel ring 17, the annular silica gel ring 17 is fixedly sleeved outside the lower convex ring 6, the upper surface of the annular silica gel ring 17 is connected to the bottom of the circular fixing plate 4 through glue, and the third gap 18 is communicated with the second gap 13 and the first gap 7 respectively.
By adopting the technical scheme, the main body structure 1 is used for supporting the whole device, the main body structure 1 is composed of a circular fixing plate 4, an upper convex ring 5, a lower convex ring 6 and a first notch 7, the circular fixing plate 4 is used as a foundation of the device, the upper convex ring 5 is used for installing the limiting structure 2, and the lower convex ring 6 is used for installing the protective structure 3; and the inner spaces of the upper convex ring 5 and the lower convex ring 6 are used for accommodating the injection seat of the transfusion port; the limiting structure 2 is used for limiting the upper central position of the injection seat of the infusion port so as to ensure that an infusion needle can be smoothly inserted into the injection seat of the infusion port when a patient is infused with an infusion, and the limiting structure 2 is composed of an annular mounting seat 9, a cylinder 10, a circular plate 12, a second notch 13 and a limiting hole 11, wherein the annular mounting seat 9 is used for fixing the circular plate 12 and the cylinder 10 outside the upper convex ring 5, and the limiting hole 11 is used for limiting the area range of the upper central position of the injection seat of the infusion port; the protective structure 3 is used for protecting the skin of a patient from being scratched or being painful, has an anti-skidding function and can avoid the slipping phenomenon between the device and the skin of the patient when in use, so that the injection seat of the infusion port is prevented from moving under the skin of the patient, the infusion needle can be smoothly inserted into the injection seat of the infusion port for infusion of the patient, and the protective structure 3 is composed of an annular silica gel ring 17 and a third notch 18, so that the protective structure 3 has better protective performance, the main body structure 1 can be prevented from directly contacting with the skin of the patient, the buffer performance is better, and the use comfort performance of the device can be effectively improved; in addition, the first notch 7, the second notch 13 and the third notch 18 are used for facilitating the device to be taken down when the infusion needle is successfully inserted into the injection seat of the infusion port, and in addition, the limiting structure 2 and the protection structure 3 can be replaced when being damaged, so that the device has better practicability.
Preferably, a plurality of anti-slip lines are uniformly arranged on the lower surface of the annular silica gel ring 17.
Through adopting above-mentioned technical scheme, evenly be equipped with a plurality of anti-skidding lines on annular silica gel circle 17's lower surface, can effectively increase annular silica gel circle 17's anti-skidding effect.
Preferably, as shown in fig. 2 and 5, the inner edge of the third notch 18 is aligned with both the inner edge of the second notch 13 and the inner edge of the first notch 7.
Through adopting above-mentioned technical scheme, all align the setting with the inward flange of third breach 18 and the inward flange of second breach 13 and the inward flange of first breach 7, when preventing to take off the device, the scraping phenomenon takes place with the transfusion needle for the device to guarantee that the device can take off smoothly after using.
Preferably, as shown in fig. 2, three mounting holes 14 matched with the screws 16 are uniformly formed on the annular mounting seat 9.
Through adopting above-mentioned technical scheme, evenly set up three mounting hole 14 with 16 assorted screws on annular mount pad 9, be convenient for install annular mount pad 9 fixedly through screw 16.
Preferably, as shown in fig. 2, three threaded holes 8 matched with the screws 16 are uniformly formed in the circular fixing plate 4.
Through adopting above-mentioned technical scheme, evenly set up three and 16 assorted screw holes 8 of screw on circular fixed plate 4, conveniently pass through 16 fixed mounting on circular fixed plate 4 of screw with annular mount pad 9.
Preferably, as shown in fig. 2, the screws 16 are all hexagon socket head cap screws, and the edges of the heads of the screws 16 are all rounded structures.
Through adopting above-mentioned technical scheme, all adopt screw 16 for hexagon socket head cap screw, be convenient for twist through hexagon socket head cap spanner and move this screw 16, and make this screw 16 not fragile, can avoid the unable dismantlement of this screw 16, all set up the head edge of screw 16 into the radius angle structure, can prevent that the head edge of screw 16 from putting medical personnel's hand of hindering to make the device use safelyr.
Preferably, as shown in fig. 2 and 5, two finger sleeves 15 are fixedly mounted on the upper portion of the annular mounting seat 9, and the two finger sleeves 15 are symmetrically arranged with the central axis of the second notch 13 as a symmetry axis.
By adopting the technical scheme, when the device is used, the forefinger and the thumb can be conveniently inserted into the two finger sleeves 15, the device can be conveniently pressed, and the device can be prevented from moving on the skin of a patient.
Preferably, as shown in fig. 2 and 3, the upper outer edge of the annular mounting seat 9 and the bottom inner edge of the lower convex ring 6 and the bottom outer edge of the annular silicone ring 17 are rounded structures.
Through adopting above-mentioned technical scheme, can prevent that the upper portion outward flange of annular mount pad 9 from putting medical personnel's hand, the skin of patient can be prevented to put by the bottom inward flange of protruding circle 6 and the bottom outward flange of annular silica gel circle 17 down.
Preferably, the annular mounting seat 9, the cylinder 10 and the circular plate 12 are made of PVC soft rubber material, and the annular mounting seat 9, the cylinder 10 and the circular plate 12 are transparent and colorless.
Through adopting above-mentioned technical scheme, annular mount pad 9 and cylinder 10 and plectane 12 all adopt PVC flexible glue material to make for limit structure 2 surface has certain flexibility, can improve the device's use travelling comfort, all sets up annular mount pad 9 and cylinder 10 and plectane 12 to transparent colourless, is convenient for see through plectane 12 and looks over the position of infusion port injection seat.
Preferably, the circular fixing plate 4 and the upper convex ring 5 and the lower convex ring 6 are made of stainless steel.
Through adopting above-mentioned technical scheme, circular fixed plate 4 and last protruding circle 5 and protruding circle 6 down all adopt stainless steel to make for the device overall structure is more stable, non-deformable, durable, long service life.
Preferably, the annular silica gel ring 17 is prepared by the following method:
weighing the following raw materials in parts by weight: 40 parts of methyl vinyl phenyl silicone rubber, 8 parts of polyurethane, 15 parts of zinc oxide powder, 15 parts of nano silver powder, 3 parts of p-phenylenediamine, 4 parts of diethyl thiourea, 4 parts of paraffin oil and 2 parts of tricresyl phosphate;
s1, adding the weighed methyl vinyl phenyl silicone rubber and polyurethane into a grinder for grinding, and setting the rotating speed of the grinder to be 600r/min to prepare a ground mixed material;
s2, adding the crushed mixed material prepared in the step S1 into an internal mixer for internal mixing, setting the temperature of the internal mixer to be 150 ℃, setting the rotating speed to be 600r/min, and setting the internal mixing time to be 20min to prepare an internal mixed material;
s3, adding the banburying material prepared in the step S2, zinc oxide powder, nano silver powder, p-phenylenediamine, diethyl thiourea, paraffin oil and tricresyl phosphate into a reaction kettle, stirring and mixing, setting the temperature of the reaction kettle to be 200 ℃, setting the rotating speed to be 800r/min, and setting the stirring time to be 18min to prepare a gluing material;
s4, adding the gluing material prepared in the step S3 into an ultrasonic dispersion machine for dispersion, setting the power of the ultrasonic dispersion machine to be 200W, setting the temperature to be 130 ℃, and setting the dispersion time to be 20min to prepare a dispersion material;
s5, adding the dispersed material obtained in the step S4 into a mould press for press forming to obtain the annular silica gel ring 17.
Example 2
The difference from the embodiment 1 lies in the preparation of the annular silica gel ring 17, and the specific preparation method is as follows:
weighing the following raw materials in parts by weight: 50 parts of methyl vinyl phenyl silicone rubber, 10 parts of polyurethane, 17 parts of zinc oxide powder, 18 parts of nano silver powder, 4 parts of p-phenylenediamine, 5 parts of diethyl thiourea, 5 parts of paraffin oil and 3 parts of tricresyl phosphate;
s1, adding the weighed methyl vinyl phenyl silicone rubber and polyurethane into a grinder for grinding, and setting the rotating speed of the grinder to 700r/min to obtain a ground mixed material;
s2, adding the crushed mixed material prepared in the step S1 into an internal mixer for internal mixing, setting the temperature of the internal mixer to be 160 ℃, setting the rotating speed to be 700r/min, and setting the internal mixing time to be 25min to prepare an internal mixed material;
s3, adding the banburying material prepared in the step S2, zinc oxide powder, nano silver powder, p-phenylenediamine, diethyl thiourea, paraffin oil and tricresyl phosphate into a reaction kettle, stirring and mixing, setting the temperature of the reaction kettle to be 210 ℃, setting the rotating speed to be 900r/min, and setting the stirring time to be 22min to prepare a gluing material;
s4, adding the gluing material prepared in the step S3 into an ultrasonic dispersion machine for dispersion, setting the power of the ultrasonic dispersion machine to be 220W, setting the temperature to be 140 ℃, and setting the dispersion time to be 25min to prepare a dispersion material;
s5, adding the dispersed material obtained in the step S4 into a mould press for press forming to obtain the annular silica gel ring 17.
Example 3
The difference from the embodiment 1 lies in the preparation of the annular silica gel ring 17, and the specific preparation method is as follows:
weighing the following raw materials in parts by weight: 60 parts of methyl vinyl phenyl silicone rubber, 12 parts of polyurethane, 18 parts of zinc oxide powder, 20 parts of nano silver powder, 5 parts of p-phenylenediamine, 6 parts of diethyl thiourea, 6 parts of paraffin oil and 4 parts of tricresyl phosphate;
s1, adding the weighed methyl vinyl phenyl silicone rubber and polyurethane into a grinder for grinding, and setting the rotating speed of the grinder to be 800r/min to prepare a ground mixed material;
s2, adding the crushed mixed material prepared in the step S1 into an internal mixer for internal mixing, setting the temperature of the internal mixer to be 170 ℃, setting the rotating speed to be 800r/min, and setting the internal mixing time to be 30min to prepare an internal mixed material;
s3, adding the banburying material prepared in the step S2, zinc oxide powder, nano silver powder, p-phenylenediamine, diethyl thiourea, paraffin oil and tricresyl phosphate into a reaction kettle, stirring and mixing, setting the temperature of the reaction kettle at 220 ℃, setting the rotating speed at 1000r/min and setting the stirring time at 26min, and preparing a gluing material;
s4, adding the gluing material prepared in the step S3 into an ultrasonic dispersion machine for dispersion, setting the power of the ultrasonic dispersion machine to be 240W, setting the temperature to be 150 ℃, and setting the dispersion time to be 30min to prepare a dispersion material;
s5, adding the dispersed material obtained in the step S4 into a mould press for press forming to obtain the annular silica gel ring 17.
The ring-shaped silicone rubber rings 17 of examples 1 to 3 were left standing in an environment containing the same concentration of bacteria in a laboratory for 36 hours and then observed under a microscope to have the following results:
| examples | Observation results |
| Example 1 | The surface of the annular |
| Example 2 | The surface of the annular |
| Example 3 | The surface of the annular |
Further comparing the bacteria distributed on the surface of the annular silica gel ring 17 in the embodiments 1 to 3, it is found that the bacteria distributed on the surface of the annular silica gel ring 17 in the embodiment 2 are the least, and meanwhile, the annular silica gel ring 17 made of the existing material is tested to find that a large amount of bacteria are distributed on the surface, so that the embodiment 2 is summarized as the optimal embodiment.
The working principle is as follows: according to the fixing device for the injection seat of the infusion port, a main body structure 1 is used for supporting the whole device, the main body structure 1 is composed of a circular fixing plate 4, an upper convex ring 5, a lower convex ring 6 and a first notch 7, the circular fixing plate 4 is used for the foundation of the device, the upper convex ring 5 is used for installing a limiting structure 2, and the lower convex ring 6 is used for installing a protection structure 3; and the inner spaces of the upper convex ring 5 and the lower convex ring 6 are used for accommodating the injection seat of the transfusion port; the limiting structure 2 is used for limiting the upper central position of the injection seat of the infusion port so as to ensure that an infusion needle can be smoothly inserted into the injection seat of the infusion port when a patient is infused with an infusion, and the limiting structure 2 is composed of an annular mounting seat 9, a cylinder 10, a circular plate 12, a second notch 13 and a limiting hole 11, wherein the annular mounting seat 9 is used for fixing the circular plate 12 and the cylinder 10 outside the upper convex ring 5, and the limiting hole 11 is used for limiting the area range of the upper central position of the injection seat of the infusion port; the protective structure 3 is used for protecting the skin of a patient from being scratched or being painful, has an anti-skidding function and can avoid the slipping phenomenon between the device and the skin of the patient when in use, so that the injection seat of the infusion port is prevented from moving under the skin of the patient, the infusion needle can be smoothly inserted into the injection seat of the infusion port for infusion of the patient, and the protective structure 3 is composed of an annular silica gel ring 17 and a third notch 18, so that the protective structure 3 has better protective performance, the main body structure 1 can be prevented from directly contacting with the skin of the patient, the buffer performance is better, and the use comfort performance of the device can be effectively improved; in addition, the first notch 7, the second notch 13 and the third notch 18 are used for facilitating the device to be taken down when the infusion needle is successfully inserted into the injection seat of the infusion port, and in addition, the limiting structure 2 and the protection structure 3 can be replaced when being damaged, so that the device has better practicability.
The using method comprises the following steps: when the device is used, the skin of a patient outside the infusion port injection seat is disinfected and cleaned, the device is sleeved outside the infusion port injection seat, the forefinger and the thumb are inserted into the two finger sleeves 15, the device is convenient to press, an infusion needle is inserted into the central position of the upper part of the infusion port injection seat through the limiting hole 11, the device is taken down, and the infusion needle is fixed by medical adhesive tapes.
The installation method comprises the following steps:
firstly, mounting a protective structure 3 at the bottom of a main body structure 1, coating glue on the upper surface of an annular silica gel ring 17 and the bottom of a circular fixing plate 4, then sleeving the annular silica gel ring 17 outside a lower convex ring 6, and attaching and pressing the upper surface of the annular silica gel ring 17 and the bottom of the circular fixing plate 4;
secondly, install limit structure 2 on the upper portion of major structure 1, with annular mount pad 9 movable sleeve dress in the outside of last bead 5, and pass through screw 16 demountable installation on the upper portion of circular fixed plate 4 with annular mount pad 9, guarantee simultaneously that the inward flange of third breach 18 and the inward flange of second breach 13 and the inward flange of first breach 7 all align, from this installation finishes.
The parts not involved in the present invention are the same as or can be implemented by the prior art. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a transfusion port injection seat fixing device which characterized in that: the device comprises a main body structure (1), a limiting structure (2) and a protective structure (3), wherein the limiting structure (2) is arranged at the upper part of the main body structure (1), and the protective structure (3) is arranged at the bottom of the main body structure (1);
the main body structure (1) comprises a circular fixing plate (4), an upper convex ring (5), a lower convex ring (6) and a first notch (7) penetrating through the circular fixing plate (4), the upper convex ring (5) and the lower convex ring (6), the upper convex ring (5) is integrally arranged at the central position of the upper part of the circular fixing plate (4), the lower convex ring (6) is integrally arranged at the central position of the bottom of the circular fixing plate (4), and the inner part of the lower convex ring (6) and the inner part of the upper convex ring (5) are mutually communicated;
the limiting structure (2) comprises an annular mounting seat (9), a cylinder body (10), a circular plate (12), a second notch (13) penetrating through the annular mounting seat (9) and the cylinder body (10) and the circular plate (12), the annular mounting seat (9) is movably sleeved outside the upper convex ring (5), the annular mounting seat (9) is detachably mounted on the upper portion of the circular fixing plate (4) through a screw (16), the cylinder body (10) is integrally arranged at the central position of the upper portion of the annular mounting seat (9), the circular plate (12) is integrally arranged at the upper end portion of the cylinder body (10), a limiting hole (11) is formed in the central position of the circular plate (12), the limiting hole (11) is communicated with the second notch (13), and the limiting hole (11) is communicated with the inner portion of the lower convex ring (6), two finger sleeves (15) are fixedly mounted on the upper part of the annular mounting seat (9), and the two finger sleeves (15) are symmetrically arranged by taking the central axis of the second notch (13) as a symmetry axis;
protective structure (3) include annular silica gel circle (17) and run through third breach (18) of annular silica gel circle (17), the fixed suit of annular silica gel circle (17) is in the outside of protruding circle (6) under in, just the upper surface of annular silica gel circle (17) with the bottom of circular fixed plate (4) is passed through glue bonding and is connected, third breach (18) respectively with second breach (13) and first breach (7) are linked together and are set up.
2. The port infusion set securement device of claim 1, wherein: and a plurality of anti-skid grains are uniformly arranged on the lower surface of the annular silica gel ring (17).
3. The port infusion set securement device of claim 1, wherein: the inner edge of the third notch (18) is aligned with the inner edge of the second notch (13) and the inner edge of the first notch (7).
4. The port infusion set securement device of claim 1, wherein: three mounting holes (14) matched with the screws (16) are uniformly formed in the annular mounting seat (9).
5. The port infusion set securement device of claim 1, wherein: three threaded holes (8) matched with the screws (16) are uniformly formed in the circular fixing plate (4).
6. The port infusion set securement device of claim 1, wherein: the screws (16) are all hexagon socket head cap screws, and the edges of the heads of the screws (16) are all in a fillet structure.
7. The port infusion set securement device of claim 1, wherein: the outer edge of the upper part of the annular mounting seat (9), the inner edge of the bottom of the lower convex ring (6) and the outer edge of the bottom of the annular silica gel ring (17) are both in a rounded corner structure.
8. The port infusion set securement device of claim 1, wherein: the annular mounting seat (9), the cylinder body (10) and the circular plate (12) are all made of PVC soft rubber materials.
9. The port infusion set securement device of claim 1, wherein: the round fixing plate (4), the upper convex ring (5) and the lower convex ring (6) are all made of stainless steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910432707.2A CN110124161B (en) | 2019-05-23 | 2019-05-23 | Infusion port injection seat fixing device |
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| CN201910432707.2A CN110124161B (en) | 2019-05-23 | 2019-05-23 | Infusion port injection seat fixing device |
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| CN110124161B true CN110124161B (en) | 2021-05-07 |
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| CN110507878B (en) * | 2019-08-29 | 2021-05-28 | 中国人民解放军陆军特色医学中心 | Puncture positioning device for transfusion port |
| CN110585521A (en) * | 2019-09-29 | 2019-12-20 | 广州医科大学附属第一医院（广州呼吸中心） | Infusion port puncture auxiliary device |
| CN114177418A (en) * | 2021-12-13 | 2022-03-15 | 安徽省第二人民医院(安徽医学高等专科学校附属医院、安徽省职业病防治院) | Adhesive-free fixing device for chest wall infusion port and using method thereof |
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| CN203577031U (en) * | 2013-09-27 | 2014-05-07 | 艾科美医疗器械（深圳）有限公司 | Insulin infusion adapter port capable of being loaded and unloaded in random direction |
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| CN208660062U (en) * | 2017-09-26 | 2019-03-29 | 麻发强 | Chemotherapy puncture positioning device |
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| US7223257B2 (en) * | 2004-08-31 | 2007-05-29 | Igor Shubayev | Percutaneous vascular access device |
| US20070233017A1 (en) * | 2006-10-18 | 2007-10-04 | Medical Components, Inc. | Venous access port assembly with radiopaque indicia |
| GB201305378D0 (en) * | 2013-03-25 | 2013-05-08 | Denke Medical Ltd | Medical device |
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| CN203577031U (en) * | 2013-09-27 | 2014-05-07 | 艾科美医疗器械（深圳）有限公司 | Insulin infusion adapter port capable of being loaded and unloaded in random direction |
| CN205698838U (en) * | 2016-04-08 | 2016-11-23 | 吴一平 | A kind of stomach drainage tube fixing device |
| CN208660062U (en) * | 2017-09-26 | 2019-03-29 | 麻发强 | Chemotherapy puncture positioning device |
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