CN220293644U - Puncture positioning device for transfusion port - Google Patents

Abstract

The utility model discloses a puncture positioning device for an infusion port, which comprises a positioning ring, holding arms, a locking mechanism, a driving mechanism and a positioning mechanism, wherein a plurality of fixing air bags are arranged on the inner wall of the positioning ring, the fixing air bags are circumferentially distributed at intervals along the positioning ring so as to fix the positioning ring on the outer side of the infusion port, the holding arms are arranged on one side of the positioning ring and are pivotally connected with the positioning ring, the locking mechanism is arranged on two sides of the holding arms and is used for locking the positions of the holding arms, the driving mechanism is arranged in the holding arms and is used for simultaneously driving the fixing air bags to fix the positioning ring on the infusion port, and the positioning mechanism is arranged on the positioning ring so as to show puncture points when the positioning ring is fixed on the infusion port.

Description

Puncture positioning device for transfusion port

Technical Field

The utility model relates to the field of medical equipment, in particular to a puncture positioning device for an infusion port.

Background

The infusion port puncture positioning device is a medical instrument and is used for positioning and puncturing an infusion port (also called a central venous channel or a central venous catheter), the infusion port is a device implanted in a human body, and operations such as infusion, blood collection, medicine injection and the like can be performed through the port, so that the number of repeated needle punctures is reduced, and the pain of a patient is relieved.

In the related art, the transfusion port positioning device has the defects of unstable fixation and fixed angle of the holding arm, so that the positioning ring is displaced in the transfusion process, thereby causing the problem of puncture deviation, meanwhile, the angle of the holding arm cannot be flexibly adjusted, the requirements of different patients are difficult to adapt, and meanwhile, the uncomfortable feeling of holding is increased.

Accordingly, there is a need in the art for further improvements.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model aims to provide a puncture positioning device for an infusion port.

In order to achieve the above object, an infusion port puncture positioning device according to an embodiment of the present utility model includes a positioning ring, a holding arm, a locking mechanism, a driving mechanism, and a positioning mechanism.

The inner wall of the positioning ring is provided with a plurality of fixing air bags, and the fixing air bags are circumferentially distributed at intervals along the positioning ring so as to fix the positioning ring outside the transfusion port.

The holding arm is arranged on one side of the positioning ring and is pivotally connected with the positioning ring.

The locking mechanism is arranged on two sides of the holding arm and used for locking the position of the holding arm.

The driving mechanism is arranged in the holding arm and is used for driving the plurality of fixing air bags to fix the positioning ring on the transfusion port;

the positioning mechanism is arranged on the positioning ring so as to show the puncture point when the positioning ring is fixed on the transfusion port.

In addition, the puncture positioning device for an infusion port according to the above embodiment of the present utility model may further have the following additional technical features:

according to one embodiment of the utility model, a first connecting table is arranged on the outer side of the positioning ring, and a recession groove is arranged in the middle of the first connecting table.

The end part of the holding arm is provided with a second connecting table which is arranged in the backset groove and is in pivot connection with the first connecting table.

According to one embodiment of the utility model, the locking mechanism comprises a slider and a locking tab.

The left side and the right side of the holding arm are respectively provided with a first chute, the first chute extends along the length direction of the holding arm, and the sliding block is slidably arranged in the first chute.

The locking piece is connected to the front end of the sliding block and can move along with the sliding block.

The sliding block is arranged on the front side of the first connecting table, a plurality of first clamping grooves are formed in two sides of the first connecting table, the first clamping grooves are distributed at intervals along the front-back direction of the first connecting table, and when the sliding block moves forwards, the end parts of the locking pieces are inserted into one of the first clamping grooves.

According to one embodiment of the utility model, an elastic piece is arranged in the first sliding groove, and the elastic piece is arranged between the rear side wall of the first sliding groove and the rear end of the sliding block.

According to one embodiment of the utility model, the positioning ring is internally provided with a mounting cavity, the mounting cavity extends along the circumferential direction of the positioning ring, the inner wall of the positioning ring is circumferentially provided with a plurality of mounting openings, and the mounting openings penetrate into the mounting cavity.

Each mounting opening is internally provided with a fixed air bag, and a plurality of fixed air bags are connected with the driving mechanism through a connecting pipe.

According to one embodiment of the utility model, the drive mechanism comprises a gas cylinder and a drive block,

the upper surface of the holding arm is provided with a second chute, and the inflator piece is fixedly arranged in the second chute. The front end of the inflator piece is communicated with the connecting pipe;

the driving block is connected to the tail end of the air cylinder piece and is used for driving the air cylinder piece to inflate or deflate the fixed air bag.

According to one embodiment of the utility model, the cartridge comprises a barrel and a piston rod.

The barrel body is fixedly arranged at the bottom of the second sliding groove, and the front end of the barrel body is communicated with the connecting pipe.

The piston rod is arranged in the cylinder body and can slide along the length direction of the cylinder body, and the driving block is connected with the tail end of the piston rod.

According to one embodiment of the present utility model, the driving block includes a connection portion, a pushing portion, and a catching portion.

The lower end of the connecting part is connected with the tail end of the piston rod.

The pushing part is connected with the connecting part through a rotating shaft, and a torsion spring is sleeved on the rotating shaft.

The clamping part is arranged at the front end of the pushing part and extends to one side of the second chute.

And a plurality of groups of second clamping grooves are formed in two sides of the second sliding groove, and the end part of the clamping part is clamped in one of the second clamping grooves.

According to one embodiment of the utility model, the positioning mechanism comprises two spot lights, the two spot lights are arranged on the surface of the positioning ring at intervals, and the rays emitted by the two spot lights intersect on the axis of the positioning ring.

According to one embodiment of the utility model, the upper end of the inner wall of the positioning ring is provided with a limiting protrusion, and the limiting protrusion extends along the circumferential direction of the positioning ring.

According to the puncture positioning device for the transfusion port, when the puncture positioning device is used, the positioning ring can be sleeved on the outer side of the transfusion port through the holding arm, so that the hand is farther away from a puncture point, puncture is avoided, puncture safety is enhanced, the positioning ring can be stably fixed on the outer side of the transfusion port through the plurality of fixing air bags, puncture deviation is avoided due to the fact that the positioning ring moves during puncture, the reliability of puncture is further improved, the holding arm can be pivoted and adjusted according to the use requirement, the holding is more comfortable, the locking mechanism can lock the position of the holding arm, the holding arm can be stably kept at the current position, the puncture point can be accurately positioned through the positioning mechanism, puncture is convenient to conduct, the puncture positioning device is simple in integral structure, stable and accurate in positioning, high in puncture safety, strong in practicability and good in use effect.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a retaining ring in accordance with an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a gripping arm in an embodiment of the present utility model;

FIG. 4 is an enlarged view of portion A of FIG. 1 in accordance with an embodiment of the present utility model;

fig. 5 is a state diagram showing overall structure change in the embodiment of the present utility model.

Reference numerals:

a positioning ring 10;

a fixed airbag 101;

a positioning mechanism 102;

a first connection stage 103;

a backset 1031;

a first card slot 1032;

a mounting cavity 104;

a connection pipe 105;

a limit projection 106;

a grip arm 20;

a second connection station 201;

a first chute 202;

a second chute 203;

a second card slot 2031;

a locking mechanism 30;

a slider 301;

a locking piece 302;

an elastic member 303;

a drive mechanism 40;

a cylinder member 401;

a cylinder 4011;

a piston rod 4012;

a driving block 402;

a connection portion 4021;

a pushing portion 4022;

the catch 4023.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should 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", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

An infusion port puncture positioning device according to an embodiment of the present utility model is described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 5, an infusion port puncture positioning device according to an embodiment of the present utility model includes a positioning ring 10, a grip arm 20, a locking mechanism 30, a driving mechanism 40, and a positioning mechanism 102.

The inner wall of the positioning ring 10 is provided with a plurality of fixing air bags 101, a plurality of fixing air bags 101 are distributed along the circumferential direction of the positioning ring 10 at intervals, so that the positioning ring 10 is fixed on the outer side of an infusion port, and a plurality of fixing air bags 101 protrude out of the inner side wall of the positioning ring 10 when being inflated, so that the fixing air bags are tightly abutted to the outer contour of the infusion port.

The holding arm 20 is disposed on one side of the positioning ring 10 and is pivotally connected to the positioning ring 10. The positioning ring 10 is conveniently moved by a medical staff by holding the arm 20 so that the hand of the patient is far away from the puncture point, and the puncture is avoided.

The locking mechanism 30 is disposed at two sides of the holding arm 20, and is used for locking the position of the holding arm 20.

The driving mechanism 40 is disposed in the holding arm 20, and is used for driving the fixing air bags 101 to fix the positioning ring 10 on the port.

The positioning mechanism 102 is provided on the positioning ring 10 to indicate a puncture site when the positioning ring 10 is secured to an infusion port.

Based on the above, when in use, the positioning ring 10 can be sleeved outside the transfusion port through the holding arm 20, so that the hand is farther away from the puncture point, puncture safety is enhanced, the positioning ring 10 can be stably fixed outside the transfusion port through the plurality of fixing air bags 101, puncture deviation is avoided due to movement of the positioning ring 10 during puncture, puncture reliability is further improved, the holding arm 20 can be pivoted and adjusted according to the use requirement, the holding arm 20 is more comfortable to hold, the locking mechanism 30 can lock the position of the holding arm 20, the holding mechanism can stably maintain the position at the current position, the positioning mechanism 102 can accurately position the puncture point, puncture is facilitated, the utility model has the advantages of simple integral structure, stable and accurate positioning, high puncture safety, strong practicability and good use effect.

Preferably, in one embodiment of the present utility model, a first connection stage 103 is disposed outside the positioning ring 10, and a recession groove 1031 is disposed in the middle of the first connection stage 103.

The end of the holding arm 20 is provided with a second connection table 201, and the second connection table 201 is disposed in the recession groove 1031 and pivotally connected to the first connection table 103.

In this way, a pivotal connection is formed between the positioning ring 10 and the gripping arm 20, so as to adjust the angle at which the gripping arm 20 extends according to the requirements.

Preferably, in one embodiment of the present utility model, the locking mechanism 30 includes a slider 301 and a locking piece 302.

The left and right sides of the holding arm 20 are respectively provided with a first chute 202, the first chute 202 extends along the length direction of the holding arm 20, and the slider 301 is slidably disposed in the first chute 202.

The locking piece 302 is connected to the front end of the slider 301 and can move along with the slider 301.

Wherein, a plurality of first clamping grooves 1032 are respectively provided on two sides of the first connecting table 103, the first clamping grooves 1032 are distributed at intervals along the front-back direction of the first connecting table 103, and when the slider 301 moves forward, the end of the locking piece 302 is inserted into one of the first clamping grooves 1032.

In this way, when the position of the holding arm 20 needs to be adjusted, only two sliders 301 need to be pushed to move backwards at the same time, so that the locking piece 302 moves out of the first slot 1032, and after the adjustment is completed, the position of the holding arm 20 can be locked only by resetting the sliders 301, so that the adjustment mode is simpler, more convenient, faster, more stable and more reliable.

Preferably, in one embodiment of the present utility model, an elastic member 303 is disposed in the first chute 202, and the elastic member 303 is disposed between a rear sidewall of the first chute 202 and a rear end of the slider 301.

Thus, by providing the elastic member 303, when the slider 301 slides backward, the elastic member 303 is pressed by the slider 301 to shrink, and when the grip arm 20 is adjusted, the slider 301 is released, and the elastic force of the elastic member 303 can push the slider 301 to reset, so that the locking piece 302 is restored to the locking position. So that the locking is more convenient. Preferably, the elastic member 303 may be a metal elastic sheet or a return spring.

Preferably, in one embodiment of the present utility model, a mounting cavity 104 is provided in the positioning ring 10, the mounting cavity 104 extends along the circumferential direction of the positioning ring 10, and a plurality of mounting openings are provided on the inner side wall of the positioning ring 10 along the circumferential direction thereof, and each of the plurality of mounting openings penetrates into the mounting cavity 104.

Each of the mounting openings is provided with one fixed air bag 101, and a plurality of fixed air bags 101 are connected with the driving mechanism 40 through a connecting pipe 105.

It should be noted that, when the plurality of fixing airbags 101 are not inflated, the plurality of fixing airbags 101 are all contracted into the mounting opening, so that they do not affect the positioning ring 10 to be sleeved outside the port, and thus, when the driving mechanism 40 inflates the plurality of fixing airbags 101 through the connecting pipe 105, the fixing airbags 101 can bulge and protrude out of the inner side wall of the positioning ring 10 so as to prop against the outer side of the port, so that the positioning ring 10 is more stably mounted and is not easy to move.

Preferably, in one embodiment of the present utility model, the driving mechanism 40 includes a cylinder 401 and a driving block 402,

the upper surface of the holding arm 20 is provided with a second sliding groove 203, and the inflator 401 is fixedly arranged in the second sliding groove 203. The front end of the inflator 401 is communicated with the connecting pipe 105;

the driving block 402 is connected to the tail end of the air cylinder 401, and is used for driving the air cylinder to inflate or deflate the fixed air bag 101.

Thus, when the positioning ring 10 needs to be fixed on the port, the driving block 402 can be pushed to drive the inflator 401 to inflate the fixing air bag 101, so that the fixing air bag 101 is inflated, and the positioning ring 10 is fixed on the port. Advantageously, an anti-slip layer may be further provided on the surface of the fixing airbag 101 to increase its fixing effect.

Preferably, in one embodiment of the present utility model, the cartridge 401 includes a barrel 4011 and a piston rod 4012.

The cylinder 4011 is fixedly arranged at the bottom of the second chute 203, and the front end of the cylinder 4011 is communicated with the connecting pipe 105.

The piston rod 4012 is disposed in the cylinder 4011 and is slidable along the length of the cylinder 4011, and the driving block 402 is connected to the tail end of the piston rod 4012.

In this way, since the driving block 402 is connected to the tail end of the piston rod 4012, when the driving block 402 is pushed to move forward, the piston rod 4012 is pushed to move forward, so as to inflate the fixed air bag 101, and when the driving block 402 is pushed to move backward, a plurality of air in the fixed air bag 101 can be sucked into the cylinder 4011, so that the fixed air bag 101 is contracted, and the positioning ring 10 is convenient to detach.

Preferably, in one embodiment of the present utility model, the driving block 402 includes a connection part 4021, a pushing part 4022, and a holding part 4023.

The lower end of the connection part 4021 is connected to the tail end of the piston rod 4012.

The pushing part 4022 and the connecting part 4021 are connected through a rotating shaft, and a torsion spring is sleeved on the rotating shaft.

The catch part 4023 is provided at the front end of the pushing part 4022 and extends toward the second chute 203.

Wherein, a plurality of sets of second clamping grooves 2031 are respectively provided on both sides of the second sliding groove 203, and the end of the clamping portion 4023 is clamped in one of the second clamping grooves 2031.

In the initial state, the end of the holding portion 4023 is held in one of the second clamping grooves 2031, so when the tail end of the pushing portion 4022 is pressed, the pushing portion 4022 can pivot, and the holding portion 4023 also moves out of the second clamping groove 2031, at this time, the pushing portion 4022 is pushed, and after the adjustment is completed, the pressing force on the tail end of the pushing portion 4022 is released, the pushing portion 4022 can be driven to reset by the torsion spring, so that the holding portion 4023 is again clamped in the second clamping groove 2031 corresponding to the pushing portion 4022.

Preferably, in one embodiment of the present utility model, the positioning mechanism 102 includes two spot lights, where the two spot lights are spaced apart from each other on the surface of the positioning ring 10, and the light emitted from the two spot lights intersect on the axis of the positioning ring 10.

So, when using, the accessible two the shot-light is penetrated out, two the shot-light sets up for mutually perpendicular, and the light that penetrates can be in on the holding ring 10 axis, the puncture point that its intersection point was fixed a position, medical personnel puncture can at the puncture point for puncture safety more.

Preferably, in one embodiment of the present utility model, a limiting protrusion 106 is disposed at an upper end of an inner wall of the positioning ring 10, and the limiting protrusion 106 extends along a circumferential direction of the positioning ring 10.

Therefore, by arranging the limiting protrusion 106, the depth of the positioning ring 10 sleeved on the transfusion port can be limited, so that the position of the spot lamp, at which the light rays can accurately intersect on the surface of the transfusion port, is ensured.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. An infusion port puncture positioning device, comprising:

the inner wall of the positioning ring is provided with a plurality of fixing air bags, and the fixing air bags are distributed at intervals along the circumferential direction of the positioning ring so as to fix the positioning ring outside the transfusion port;

the holding arm is arranged on one side of the positioning ring and is in pivot connection with the positioning ring;

the locking mechanisms are arranged on two sides of the holding arm and used for locking the position of the holding arm;

the driving mechanism is arranged in the holding arm and is used for driving the fixing air bags to fix the positioning ring on the transfusion port simultaneously;

the positioning mechanism is arranged on the positioning ring so as to show the puncture point when the positioning ring is fixed on the transfusion port.

2. The transfusion port puncture positioning device according to claim 1, wherein a first connecting table is arranged on the outer side of the positioning ring, and a recession groove is formed in the middle of the first connecting table;

the end part of the holding arm is provided with a second connecting table which is arranged in the backset groove and is in pivot connection with the first connecting table.

3. The port puncture positioning device of claim 2, wherein the locking mechanism comprises:

the sliding block is arranged on the left side and the right side of the holding arm, the first sliding grooves extend along the length direction of the holding arm, and the sliding block is slidably arranged in the first sliding grooves;

the locking piece is connected to the front end of the sliding block and can move along with the sliding block;

the sliding block is arranged on the front side of the first connecting table, a plurality of first clamping grooves are formed in two sides of the first connecting table, the first clamping grooves are distributed at intervals along the front-back direction of the first connecting table, and when the sliding block moves forwards, the end parts of the locking pieces are inserted into one of the first clamping grooves.

4. The port puncture positioning device according to claim 3, wherein an elastic member is disposed in the first chute, and the elastic member is disposed between the rear sidewall of the first chute and the rear end of the slider.

5. The port puncture positioning device according to claim 1, wherein an installation cavity is arranged in the positioning ring, the installation cavity extends along the circumferential direction of the positioning ring, a plurality of installation openings are formed in the inner side wall of the positioning ring along the circumferential direction of the positioning ring, and the installation openings penetrate into the installation cavity;

each mounting opening is internally provided with a fixed air bag, and a plurality of fixed air bags are connected with the driving mechanism through a connecting pipe.

6. The port puncture positioning device of claim 5, wherein the drive mechanism comprises:

the upper surface of the holding arm is provided with a second chute, the air cylinder is fixedly arranged in the second chute, and the front end of the air cylinder is communicated with the connecting pipe;

the driving block is connected to the tail end of the air cylinder piece and used for driving the air cylinder piece to inflate or deflate the fixed air bag.

7. The port puncture positioning device of claim 6, wherein said cartridge comprises:

the cylinder body is fixedly arranged at the bottom of the second chute, and the front end of the cylinder body is communicated with the connecting pipe;

the piston rod is arranged in the cylinder body and can slide along the length direction of the cylinder body, and the driving block is connected with the tail end of the piston rod.

8. The port puncture positioning device of claim 7, wherein the drive block comprises:

the lower end of the connecting part is connected with the tail end of the piston rod;

the pushing part is connected with the connecting part through a rotating shaft, and a torsion spring is sleeved on the rotating shaft;

the clamping part is arranged at the front end of the pushing part and extends to one side of the second chute;

and a plurality of groups of second clamping grooves are formed in two sides of the second sliding groove, and the end part of the clamping part is clamped in one of the second clamping grooves.

9. The port puncture positioning device of claim 1, wherein the positioning mechanism comprises two spot lights, the two spot lights are arranged on the surface of the positioning ring at intervals, and the rays emitted by the two spot lights intersect on the axis of the positioning ring.

10. The port puncture positioning device according to claim 1, wherein the upper end of the inner wall of the positioning ring is provided with a limiting protrusion, and the limiting protrusion extends along the circumferential direction of the positioning ring.