CN111956913A - Infusion port contact pin location assistor - Google Patents
Infusion port contact pin location assistor Download PDFInfo
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- CN111956913A CN111956913A CN202010991576.4A CN202010991576A CN111956913A CN 111956913 A CN111956913 A CN 111956913A CN 202010991576 A CN202010991576 A CN 202010991576A CN 111956913 A CN111956913 A CN 111956913A
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- rod
- block
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- 238000001802 infusion Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 239000000853 adhesive Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims 1
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 210000002620 vena cava superior Anatomy 0.000 description 1
Images
Classifications
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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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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Dermatology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides an infusion port contact pin positioning assistor and belongs to the technical field of infusion ports. The infusion port contact pin positioning assistor comprises a base, a rotating mechanism, a supporting mechanism and a positioning mechanism. The base bottom is installed and is pasted the strip, just base bottom center is fixed with adsorbs the piece, rotary mechanism includes rotating member and threaded fastener, the rotating member rotate install in the base top, threaded fastener spiro union in the base, just one side of threaded fastener is pasting the rotating member, supporting mechanism includes extension board and telescopic link, the extension board rotate install in the rotating member upper end. The invention can limit the moving range of the atraumatic needle through the positioning block, can ensure that the atraumatic needle moves more stably, reduces the possibility of shaking of the atraumatic needle, reduces the possibility of deflection of the atraumatic needle, improves the success rate of puncture of the atraumatic needle and reduces the pain of patients.
Description
Technical Field
The invention relates to the field of infusion ports, in particular to an infusion port pin positioning assistor.
Background
The port is a closed infusion device completely implanted in a human body and comprises a conduit part with the tip positioned in the superior vena cava and an injection seat embedded in the subcutaneous part.
The most popular infusion device implanted in the human body in the infusion port needs to be provided with a non-traumatic needle when the infusion device is used for infusion, and the needle is easy to prick and deflect in the arranging process and can be repeatedly punctured, so that the pain of a patient is brought.
Disclosure of Invention
In order to make up for the defects, the invention provides an infusion port needle positioning auxiliary device, aiming at solving the problem that the traditional infusion port is easy to have a phenomenon of deviation when a needle is inserted.
The invention is realized by the following steps:
the invention provides an infusion port contact pin positioning assistor which comprises a base, a rotating mechanism, a supporting mechanism and a positioning mechanism.
The bottom end of the base is provided with an adhesive strip, an adsorption piece is fixed at the center of the bottom end of the base, the rotating mechanism comprises a rotating piece and a threaded fastener, the rotating piece is rotatably installed at the top end of the base, the threaded fastener is screwed on the base, one side of the threaded fastener is attached to the rotating piece, the supporting mechanism comprises a supporting plate and a telescopic rod, the supporting plate is rotatably installed at the upper end part of the rotating piece, one end of the telescopic rod is rotatably installed on the surface of the rotating piece, the other end of the telescopic rod is hinged with the supporting plate, the positioning mechanism comprises a shaft rod, a positioning block and a spring, the shaft rod is fixed on the surface of the supporting plate, two supporting rods are rotatably installed on the surface of the shaft rod, the two positioning blocks are respectively fixed at the end parts of the two supporting rods, and the, arc-shaped grooves are formed in the surfaces of the two positioning blocks, and the two arc-shaped grooves are clamped to form positioning holes.
In an embodiment of the present invention, the adsorbing member is an annular rubber ring, an annular groove is formed at a lower end of the adsorbing member, a cross section of the annular groove is trapezoidal, and a deformation groove is formed in an inner top surface of the adsorbing member and is communicated with the annular groove.
In one embodiment of the invention, the rotating member comprises a base block and a rotary table, the base block is cylindrical, the base is an annular seat, an annular convex block is fixed inside the base, the base block is rotatably installed in the annular convex block, the rotary table is fixed on the surface of the base block, and the rotary table is connected with the support plate and the telescopic rod.
In one embodiment of the invention, the telescopic rod comprises an external threaded pipe and an internal threaded rod, one end of the external threaded pipe is rotatably connected with the rotary table through a bearing, the internal threaded rod is screwed in the external threaded pipe, and one end of the internal threaded rod is hinged with the support plate through a hinge seat.
In an embodiment of the present invention, a limiting ring is tightly sleeved on the surface of the base block, the limiting ring and the turntable are respectively located on two sides of the annular protrusion, and the outer ring diameter of the limiting ring and the diameter of the turntable are not smaller than the outer ring diameter of the annular protrusion.
In one embodiment of the invention, balls are arranged on the upper end surface and the lower end surface of the base block in a rolling manner, and any one of the balls is attached to one of the turntable and the limiting ring.
In one embodiment of the invention, the threaded fastener comprises a threaded post rotatably mounted to the base surface and a threaded block threadably engaged with the threaded post with one side of the threaded block abutting the rotary member.
In an embodiment of the invention, a handheld block is connected to the surface of the threaded column through a key, the handheld block is in a disc shape, anti-skid threads are engraved at intervals on the edge of the handheld block, a guide rod is fixed on the surface of the base, one end of the guide rod penetrates through the threaded block, and the guide rod is in clearance fit with the threaded block.
In an embodiment of the invention, a connecting plate is arranged at a rotating connection position of the support plate and the rotating member, a notch is formed in one side of the support plate, a round rod is fixed in the notch, the connecting plate is sleeved on the surface of the round rod, and the other side of the connecting plate is fixedly connected with the rotating member.
In an embodiment of the invention, a track groove is formed in the surface of the support plate, a sliding rod is fixed in the track groove, the sliding rod is fixedly connected with the support rod, and the track groove is arranged on the movement track of the support rod and matched with the movement track of the support rod.
The invention has the beneficial effects that: when the infusion port contact pin positioning assistor is used, the base can be arranged on the skin surface of a patient through matching of the sticking strip and the adsorption piece, the length of the telescopic rod can be adjusted, the length of the telescopic piece can be adjusted, the positioning block can be inclined, the positioning block can be rotated by rotating the rotary piece, the position of the positioning block can be changed, the positioning block can be adjusted to the moving track of the nondestructive needle when the nondestructive needle is inserted, the positioning hole formed by clamping the two positioning blocks can be overlapped with the moving track of the nondestructive needle when the nondestructive needle is inserted, the nondestructive needle penetrates through the positioning hole and then is pricked into the skin of the patient, the positioning block can limit the moving range of the nondestructive needle, the possibility of the nondestructive needle being pricked to be deviated is reduced, the success rate of puncture of the nondestructive needle is improved, and the pain of.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of an auxiliary device for positioning pins in an infusion port according to an embodiment of the present invention;
fig. 2 is a schematic view of a connection structure of a base and a rotating mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an adsorbing member according to an embodiment of the present invention;
FIG. 4 is a schematic view of a ring bump structure according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a telescopic rod according to an embodiment of the present invention;
fig. 6 is a schematic view of a connection structure of a positioning mechanism and a support plate according to an embodiment of the present invention.
In the figure: 100-a base; 110-adhesive strip; 120-an adsorbing member; 121-an annular groove; 122-a deformation slot; 130-annular bumps; 200-a rotation mechanism; 210-a rotating member; 211-base block; 212-a turntable; 213-a limit ring; 214-a ball bearing; 220-a threaded fastener; 221-threaded post; 222-a thread block; 223-a handheld block; 224-a guide bar; 300-a support mechanism; 310-a support plate; 311-opening; 312-round bar; 313-connecting plate; 320-a telescopic rod; 321-external thread pipe; 322-an inner threaded rod; 330-track groove; 340-a slide bar; 400-a positioning mechanism; 410-shaft rod; 420-positioning blocks; 430-a spring; 440-a strut; 450-arc-shaped groove; 460-positioning holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-6, the present invention provides an auxiliary device for positioning pins in an infusion port, which comprises a base 100, a rotating mechanism 200, a supporting mechanism 300 and a positioning mechanism 400.
Wherein, rotary mechanism 200 sets up on base 100 surface, supporting mechanism 300 is used for linking together rotary mechanism 200 and positioning mechanism 400, positioning mechanism 400 is used for fixing a position the removal of not damaged needle, reduce the inclined to one side possibility of not damaged needle prick, improve the success rate of puncture, rotary mechanism 200 passes through rotatory supporting mechanism 300, and then makes positioning mechanism 400, can adjust positioning mechanism 400, be convenient for carry out the removal on the position according to the puncture position of not damaged needle to positioning mechanism 400, make positioning mechanism 400 can cooperate the use that not damaged needle goes on.
Referring to fig. 1 to 4, the bottom end of the base 100 is provided with the adhesive strip 110, and the center of the bottom end of the base 100 is fixed with the absorption member 120, in practical implementation, the base 100 can be installed by adhering the adhesive strip 110 to the skin surface of the patient, and in addition, the absorption member 120 can be absorbed on the skin surface of the patient, which is beneficial to the installation of the base 100.
In this embodiment, the adsorbing member 120 is an annular rubber ring, and the lower end of the adsorbing member 120 is provided with an annular groove 121, the cross section of the annular groove 121 is trapezoidal, the internal top surface of the adsorbing member 120 is provided with a shape-changing groove 122, and the shape-changing groove 122 is communicated with the annular groove 121, so that the adsorbing member 120 contacts with the skin of the patient and deforms, the annular groove 121 is stressed to open and wraps the skin, meanwhile, the air in the annular groove 121 is extruded and discharged, a negative pressure is formed inside the annular groove, so that the skin is sucked into the shape-changing groove 122, and the adsorbing member 120 is fixed.
Referring to fig. 1, 2 and 4, the rotating mechanism 200 includes a rotating member 210 and a threaded fastener 220, the rotating member 210 is rotatably mounted on the top end of the base 100, the threaded fastener 220 is screwed to the base 100, and one side of the threaded fastener 220 is attached to the rotating member 210, in the specific implementation, the rotating member 210 is rotated to drive the support plate 310 and the telescopic rod 320 to rotate, and the threaded fastener 220 is rotated to enable the threaded fastener 220 to press the rotating member 210, so that the rotating member 210 can be fixed.
In this embodiment, the rotating member 210 includes a base block 211 and a rotating disc 212, the base block 211 is cylindrical, the base 100 is an annular seat, the annular protrusion 130 is fixed inside the base 100, the base block 211 is rotatably installed in the annular protrusion 130, the rotating disc 212 is fixed on the surface of the base block 211, the rotating disc 212 is connected with the support plate 310 and the telescopic rod 320, and the rotating disc 212, the support plate 310 and the telescopic rod 320 can be driven to rotate by the rotation of the base block 211;
furthermore, the surface of the base block 211 is tightly sleeved with a limit ring 213, the limit ring 213 and the turntable 212 are respectively positioned at two sides of the annular bump 130, the outer ring diameter of the limit ring 213 and the diameter of the turntable 212 are not smaller than the outer ring diameter of the annular bump 130, the movement range of the base block 211 can be limited by matching the limit ring 213 and the turntable 212, and the possibility that the base block 211 infers the base 100 is reduced; it can be understood that the balls 214 are mounted on both the upper end surface and the lower end surface of the base block 211 in a rolling manner, any one of the balls 214 is attached to one of the turntable 212 and the limiting ring 213, and the balls 214 are additionally arranged, so that the rotation of the turntable 212 and the limiting ring 213 can be smoother, and the rotation of the rotating member 210 is facilitated.
The threaded fastener 220 comprises a threaded column 221 and a threaded block 222, the threaded column 221 is rotatably mounted on the surface of the base 100, the threaded block 222 is screwed on the threaded column 221, one side of the threaded block 222 is tightly attached to the rotary member 210, the threaded column 221 is rotated to enable the threaded block 222 to move along the threaded column 221, the threaded block 222 can move to the surface of the rotary member 210, the threaded block 222 can press the rotary member 210 to increase resistance force applied to the rotary member 210 during rotation, and therefore the rotary member 210 is fixed;
further, the surface key of the threaded column 221 is connected with a handheld block 223, the handheld block 223 is arranged in a disc shape, anti-skid threads are carved on the edge of the handheld block 223 at intervals, an operator can rotate the threaded column 221 by rotating the handheld block 223, the operation of the operator on the threaded column 221 is facilitated, a guide rod 224 is fixed on the surface of the base 100, one end of the guide rod 224 penetrates through the threaded block 222, the guide rod 224 is in clearance fit with the threaded block 222, the guide rod 224 is additionally arranged, the moving direction of the threaded block 222 can be limited, and the movement of the threaded block 222 is more stable.
Referring to fig. 1, 2, 5 and 6, the supporting mechanism 300 includes a supporting plate 310 and an expansion link 320, the supporting plate 310 is rotatably mounted on the upper end of the rotating member 210, one end of the expansion link 320 is rotatably mounted on the surface of the rotating member 210, and the other end of the expansion link 320 is hinged to the supporting plate 310, in specific implementation, the length of the expansion link 320 is adjusted, and the expansion link 320 can support the supporting plate 310, so that the supporting plate 310 rotates, and further the positioning block 420 is driven to rotate, so that the positioning block 420 can be inclined, and the atraumatic needle can pass through between the two positioning blocks 420 while being inclined.
In this embodiment, a connecting plate 313 is disposed at a rotational connection position between the supporting plate 310 and the rotating member 210, a notch 311 is formed in one side of the supporting plate 310, a round rod 312 is fixed in the notch 311, the connecting plate 313 is sleeved on the surface of the round rod 312, and the other side of the connecting plate 313 is fixedly connected with the rotating member 210, so that the supporting plate 310 can be driven to rotate by the rotation of the round rod 312, the rotational connection between the supporting plate 310 and the rotating member 210 is more stable, and the other side of the connecting plate 313 can be fixed on the surface of the turntable 212 in the rotating member 210;
the telescopic rod 320 comprises an external thread pipe 321 and an internal thread rod 322, one end of the external thread pipe 321 is rotatably connected with the rotary disc 212 through a bearing, the internal thread rod 322 is screwed in the external thread pipe 321, one end of the internal thread rod 322 is hinged with the support plate 310 through a hinge seat, and the external thread pipe 321 is rotated to enable the internal thread rod 322 to move along the external thread pipe 321, so that the length of the telescopic rod 320 is adjusted.
Referring to fig. 1 and 6, the positioning mechanism 400 includes a shaft rod 410, two positioning blocks 420 and a spring 430, the shaft rod 410 is fixed on the surface of the support plate 310, two support rods 440 are rotatably installed on the surface of the shaft rod 410, two positioning blocks 420 are provided, the two positioning blocks 420 are respectively fixed on the ends of the two support rods 440, the spring 430 is installed between the two support rods 440, the surfaces of the two positioning blocks 420 are both provided with arc-shaped grooves 450, and the two arc-shaped grooves 450 are fastened to form a positioning hole 460, in the specific implementation, the atraumatic needle can pass through the positioning hole 460 between the two positioning blocks 420 and then be pricked into the skin of the patient, the positioning blocks 420 can limit the moving range of the atraumatic needle, reduce the possibility of the atraumatic needle being pricked out of the way, improve the success rate of the atraumatic needle puncturing, and reduce the, the spring 430 can support the two rods 440 such that the two rods 440 rotate relative to each other around the shaft 410, thereby moving the two positioning blocks 420 relative to each other, and the two positioning blocks 420 can be locked together.
In this embodiment, the surface of the support plate 310 is provided with a track groove 330, a sliding rod 340 is fixed in the track groove 330, the sliding rod 340 is fixedly connected with the support rod 440, the track groove 330 is arranged on the support rod 440, the moving track is matched with that of the support rod 440, the moving range of the sliding rod 340 is limited by the track groove 330, the sliding rod 340 can move more stably, and further the support rod 440 can rotate more stably.
Specifically, this infusion port contact pin location assistor's theory of operation: before inserting the needle, the adhesive strip 110 is adhered to the skin surface of the patient, the base 100 can be installed, in addition, the adsorption piece 120 can be adsorbed on the skin surface of the patient, the installation of the base 100 is more stable, the length of the telescopic rod 320 is adjusted, the telescopic rod 320 can support the support plate 310, the support plate 310 can be rotated, the positioning block 420 is driven to rotate, the positioning block 420 can be inclined, the rotating piece 210 can be rotated, the telescopic rod 320, the support plate 310 and the positioning block 420 can be driven to rotate, the position of the positioning block 420 can be changed, the positioning block 420 can be adjusted to the moving track of the non-damage needle when the non-damage needle is inserted, the positioning hole 460 formed by clamping the two positioning blocks 420 is overlapped with the moving track of the non-damage needle when the non-damage needle is inserted, the non-damage needle passes through the positioning hole 460 and then is inserted into the skin of the patient, the possibility of the non-invasive needle being pricked and deviated is reduced, the success rate of the non-invasive needle puncture is improved, and the pain of the patient is reduced.
It should be noted that the specific model specification of the spring 430 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An infusion port contact pin positioning assistor is characterized by comprising
The adhesive tape comprises a base (100), wherein an adhesive strip (110) is installed at the bottom end of the base (100), and an adsorption piece (120) is fixed at the center of the bottom end of the base (100);
the rotating mechanism (200), the rotating mechanism (200) comprises a rotating piece (210) and a threaded fastener (220), the rotating piece (210) is rotatably installed at the top end of the base (100), the threaded fastener (220) is screwed on the base (100), and one side of the threaded fastener (220) is attached to the rotating piece (210);
the supporting mechanism (300) comprises a supporting plate (310) and a telescopic rod (320), the supporting plate (310) is rotatably mounted at the upper end part of the rotating piece (210), one end of the telescopic rod (320) is rotatably mounted on the surface of the rotating piece (210), and the other end of the telescopic rod (320) is hinged with the supporting plate (310);
the positioning mechanism (400) comprises a shaft rod (410), positioning blocks (420) and springs (430), wherein the shaft rod (410) is fixed on the surface of the support plate (310), the surface of the shaft rod (410) is rotatably provided with two supporting rods (440), the positioning blocks (420) are provided with two positioning blocks (420), the two positioning blocks (420) are fixed at the end parts of the two supporting rods (440) respectively, the springs (430) are arranged between the two supporting rods (440), the surfaces of the two positioning blocks (420) are provided with arc-shaped grooves (450), and the two arc-shaped grooves (450) are clamped to form positioning holes (460).
2. The needle positioning assistor for the needle of the infusion port as claimed in claim 1, wherein the absorption member (120) is an annular rubber ring, an annular groove (121) is formed at the lower end of the absorption member (120), the section of the annular groove (121) is trapezoidal, a deformation groove (122) is formed on the inner top surface of the absorption member (120), and the deformation groove (122) is communicated with the annular groove (121).
3. The needle positioning assistor for the needle of the infusion port as claimed in claim 1, wherein the rotating member (210) comprises a base block (211) and a rotating disc (212), the base block (211) is cylindrical, the base (100) is an annular seat, an annular protrusion (130) is fixed inside the base (100), the base block (211) is rotatably installed inside the annular protrusion (130), the rotating disc (212) is fixed on the surface of the base block (211), and the rotating disc (212) is connected with the support plate (310) and the telescopic rod (320).
4. The needle positioning aid for the infusion port as claimed in claim 3, wherein the telescopic rod (320) comprises an external threaded tube (321) and an internal threaded rod (322), one end of the external threaded tube (321) is rotatably connected with the rotary plate (212) through a bearing, the internal threaded rod (322) is screwed in the external threaded tube (321), and one end of the internal threaded rod (322) is hinged with the support plate (310) through a hinge seat.
5. The needle positioning assistor for the needle of the infusion port as claimed in claim 3, wherein a limiting ring (213) is tightly sleeved on the surface of the base block (211), the limiting ring (213) and the turntable (212) are respectively located on two sides of the annular bump (130), and the outer ring diameter of the limiting ring (213) and the diameter of the turntable (212) are not smaller than the outer ring diameter of the annular bump (130).
6. The needle positioning aid for the infusion port as claimed in claim 5, wherein balls (214) are arranged on the upper end surface and the lower end surface of the base block (211) in a rolling mode, and any one of the balls (214) abuts against one of the turntable (212) and the limiting ring (213).
7. The needle positioning aid for the port infusion needle as claimed in claim 1, wherein the threaded fastener (220) comprises a threaded post (221) and a threaded block (222), the threaded post (221) is rotatably mounted on the surface of the base (100), the threaded block (222) is screwed on the threaded post (221), and one side of the threaded block (222) abuts against the rotating member (210).
8. The needle positioning aid for the infusion port as claimed in claim 7, wherein a hand-held block (223) is keyed on the surface of the threaded column (221), the hand-held block (223) is configured in a disc shape, the edge of the hand-held block (223) is carved with anti-slip threads at intervals, a guide rod (224) is fixed on the surface of the base (100), one end of the guide rod (224) penetrates through the threaded block (222), and the guide rod (224) is in clearance fit with the threaded block (222).
9. The needle positioning assistor for the needle of the infusion port as claimed in claim 1, wherein a connecting plate (313) is arranged at the rotating connection position of the support plate (310) and the rotating member (210), a notch (311) is formed in one side of the support plate (310), a round rod (312) is fixed in the notch (311), the connecting plate (313) is sleeved on the surface of the round rod (312), and the other side of the connecting plate (313) is fixedly connected with the rotating member (210).
10. The needle positioning assistor for the needle of the infusion port as claimed in claim 1, wherein the surface of the support plate (310) is provided with a track groove (330), a sliding rod (340) is fixed in the track groove (330), the sliding rod (340) is fixedly connected with the supporting rod (440), and the track groove (330) is arranged on the moving track of the supporting rod (440) to match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010991576.4A CN111956913A (en) | 2020-09-18 | 2020-09-18 | Infusion port contact pin location assistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010991576.4A CN111956913A (en) | 2020-09-18 | 2020-09-18 | Infusion port contact pin location assistor |
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| CN111956913A true CN111956913A (en) | 2020-11-20 |
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| CN202010991576.4A Pending CN111956913A (en) | 2020-09-18 | 2020-09-18 | Infusion port contact pin location assistor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090082782A1 (en) * | 2007-09-20 | 2009-03-26 | Medtronic, Inc. | Needle to port trajector indicator |
| US20170080166A1 (en) * | 2015-09-18 | 2017-03-23 | Actuated Medical, lnc. | Device and System for Insertion of Penetrating Member |
| CN208989860U (en) * | 2018-03-27 | 2019-06-18 | 无锡市人民医院 | A kind of transfusion port contact pin fixator |
| CN212997809U (en) * | 2020-09-18 | 2021-04-20 | 自贡市第一人民医院 | Infusion port contact pin location assistor |
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2020
- 2020-09-18 CN CN202010991576.4A patent/CN111956913A/en active Pending
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