CN214970407U

CN214970407U - Positioning pen applied to arterial puncture

Info

Publication number: CN214970407U
Application number: CN202023347707.XU
Authority: CN
Inventors: 张俊强
Original assignee: Shenzhen Integrated Traditional Chinese And Western Medicine Hospital
Current assignee: Shenzhen Integrated Traditional Chinese And Western Medicine Hospital
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-03
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a positioning pen applied to artery puncture, which comprises a shell; a positioning component, a marking component and a driving component are arranged in the shell; a pressure sensor is arranged in the positioning assembly; the positioning assembly can reciprocate relative to the shell; the marking component penetrates into the positioning component; the driving component is hinged on the marking component; the pressure sensor is arranged in the shell, the arterial pulsation peak of the patient is searched through the pressure sensor, the driving component is pressed down when the arterial pulsation peak is found, the driving component drives the marking component to mark the arterial pulsation peak, the arterial puncture point is positioned, multiple punctures are avoided, the puncture success rate is high, the equipment cost is low, and the pain of the patient is reduced.

Description

Positioning pen applied to arterial puncture

Technical Field

The utility model relates to the field of medical equipment, more specifically say, relate to a be applied to arteriopuncture's positioning pen.

Background

Arterial puncture is a procedure used for continuous monitoring of arterial blood pressure during anesthesia or operation and in critically ill patients, or for arterial blood and gas analysis. In the process of arterial puncture, the highest point of arterial pulsation needs to be searched for needle insertion, and a puncture point is positioned and then punctured. In the prior art, arterial puncture mainly depends on ultrasonic guided puncture or blind puncture. The ultrasound guide is mainly to form a visual puncture through an ultrasound image under ultrasound, and although the puncture effect is good, the puncture is expensive and not beneficial to wide application. The blind puncture is performed by medical staff according to experience, and although the method is low in price, the condition that multiple times of puncture is needed easily occurs, the puncture success rate is low, and the pain of a patient is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a be applied to arteriopuncture's location pen, this location pen cost is cheap and puncture success rate is high.

The utility model provides a technical scheme that its technical problem adopted is:

the positioning pen applied to artery puncture comprises a shell; the shell is internally provided with a positioning component, a marking component and a driving component; a pressure sensor is arranged in the positioning assembly; the positioning assembly is reciprocally movable relative to the housing; the marking component penetrates into the positioning component; the driving component is hinged on the marking component.

Further, the shell comprises a pen body and a pen cover connected with the pen body; the positioning assembly comprises a sliding sleeve arranged in the pen body and a connecting cover arranged in the pen cover; the sliding sleeve penetrates into the pen cover and is connected with the connecting cover; the pressure sensor is arranged at the joint of the sliding sleeve and the connecting cover.

Furthermore, a mounting hole is formed in the side wall of the pen body; the pen body is internally provided with a display screen and a control panel; the display screen is arranged in the mounting hole; the pressure sensor and the display screen are electrically connected with the control panel.

Further, a gear is arranged in the pen body; a rack is arranged on the side wall of the sliding sleeve; the gear is meshed with the rack.

Furthermore, an adjusting hole is formed in the side wall of the pen body; a sliding rail is arranged in the pen body; the gear is positioned in the adjusting hole; the rack is arranged in the sliding rail.

Further, the marking assembly comprises a limiting barrel arranged in the pen body and a marking piece; the limiting cylinder penetrates into the pen cap; the marker is arranged in the limiting cylinder; the driving assembly drives the mark piece to reciprocate along the limiting cylinder.

Further, the marker comprises a connecting block arranged in the pen body and a moving shaft connected with the connecting block; the connecting block is connected with the driving assembly; one end of the moving shaft is provided with a round hole; the moving shaft penetrates into the limiting cylinder; a lug is arranged in the middle of the moving shaft; the lug is connected with the limiting cylinder through a spring.

Further, the marking piece comprises a connecting block arranged in the pen body, a moving rod connected with the connecting block, a piston arranged in the limiting cylinder and a sponge arranged at the end part of the limiting cylinder; the connecting block is connected with the driving assembly; the moving rod penetrates into the limiting cylinder and is connected with the piston; the piston is connected with the limiting cylinder through a spring.

Further, the driving assembly comprises a button arranged on the side wall of the pen body, a connecting rod arranged in the pen body and a convex shaft; one end of the connecting rod is hinged with the button, and the other end of the connecting rod is hinged with the connecting block; a chute is arranged on the connecting rod; the protruding shaft penetrates into the sliding groove.

Furthermore, a power supply is arranged in the pen body; the power supply is electrically connected with the control board.

The beneficial effects of the utility model reside in that: the pressure sensor is arranged in the shell, the arterial pulsation peak of the patient is searched through the pressure sensor, the driving component is pressed down when the arterial pulsation peak is found, the driving component drives the marking component to mark the arterial pulsation peak, the arterial puncture point is positioned, multiple punctures are avoided, the puncture success rate is high, the equipment cost is low, and the pain of the patient is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is a schematic structural diagram of a positioning pen applied to arterial puncture in an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a positioning pen for arterial puncture according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a point a in fig. 2 according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of the embodiment of the present invention at B in fig. 2;

fig. 5 is a schematic view of an internal structure of a positioning pen for arterial puncture according to another embodiment of the present invention;

fig. 6 is a schematic structural diagram of a housing according to an embodiment of the present invention.

In the figure, 1, a housing; 5. a pressure sensor; 11. a pen body; 12. a pen cap; 21. a sliding sleeve; 22. a connecting cover; 23. a display screen; 25. a gear; 26. a rack; 31. a button; 32. a connecting rod; 33. a chute; 41. a limiting cylinder; 42. connecting blocks; 43. a movable shaft; 44. a travel bar; 45. a piston; 46. a sponge; 112. an adjustment hole; 113. a slide rail; 114. a protruding shaft; 115. a power source; 431. a circular hole; 432. and (4) a bump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions 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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Fig. 1 to 4 and 6 show a positioning pen for arterial puncture according to a preferred embodiment of the present invention, which includes a housing 1; a positioning component, a marking component and a driving component are arranged in the shell 1; a pressure sensor 5 is arranged in the positioning assembly; the positioning component can reciprocate relative to the shell 1; the marking component penetrates into the positioning component; the driving assembly is hinged on the marking assembly.

Set up pressure sensor 5 in casing 1, look for patient's artery pulsation peak through pressure sensor 5 to when finding artery pulsation peak, press drive assembly, drive assembly drives the mark subassembly and makes the mark in the place of artery pulsation peak, realize fixing a position the artery puncture point, avoid needing puncture many times, puncture success rate is high, and equipment cost is low, reduces patient's misery.

In a further embodiment, the housing 1 comprises a pen body 11 and a pen cover 12 connected to the pen body 11; the positioning assembly comprises a sliding sleeve 21 arranged in the pen body 11 and a connecting cover 22 arranged in the pen cover 12; the sliding bush 21 penetrates into the pen cap 12 and is connected with the connecting cap 22; the pressure sensor 5 is arranged at the joint of the sliding sleeve 21 and the connecting cover 22. A gear 25 is arranged in the pen body 11; a rack 26 is arranged on the side wall of the sliding sleeve 21; the gear 25 is in meshed connection with the rack 26.

The side wall of the pen body 11 is provided with a mounting hole; the pen body 11 is internally provided with a display screen 23 and a control panel 24; the display screen 23 is arranged in the mounting hole; the pressure sensor 5 and the display screen 23 are electrically connected to the control board 24.

Wherein, body 11 comprises two half shells, and two half shell inner structure are the symmetry setting. The pen cap 12 is spirally connected with the pen body 11. The sliding sleeve 21 can reciprocate along the pen cover 12 under the meshing transmission of the gear 25 and the rack 26. The connecting cover 22, the pressure sensor 5 and the sliding sleeve 21 are in close contact with each other. The gear 25 can be adjusted according to the detected position, so that the sliding sleeve 21, the connecting cover 22 and the pressure sensor 5 integrally extend out, the connecting cover 22 is in contact with the skin of a patient, the pressure sensor 5 senses the pressure value, and the highest point of the artery pulsation is found out from the display screen 23.

In the above embodiment, the display screen 23 displays the pulse value or the pulse level for the medical staff to determine the pulse peak of the pulse.

In a further embodiment, the side wall of the pen body 11 is provided with an adjusting hole 112; a slide rail 113 is arranged in the pen body 11; gear 25 is located in adjustment aperture 112; the rack 26 is disposed in the slide rail 113. The edge of the gear 25 is exposed through the adjustment aperture 112 for adjustment of the gear 25 by the medical professional. The rack 26 is arranged in the sliding rail 113, keeps moving linearly during sliding, and keeps the sliding sleeve 21 and the connecting cover 22 not deflecting when extending.

In a further embodiment, the marking assembly includes a position limiting barrel 41 disposed in the pen body 11, and a marking member; the limiting cylinder 41 penetrates into the pen cap 12; the marker is arranged in the limiting cylinder 41; the driving assembly drives the marker to reciprocate along the position limiting cylinder 41. The marker includes a connecting block 42 provided in the pen body 11, and a moving shaft 43 connected to the connecting block 42; the connecting block 42 is connected with the driving component; one end of the moving shaft 43 is provided with a round hole 431; the moving shaft 43 penetrates into the limiting cylinder 41; a lug 432 is arranged in the middle of the moving shaft 43; the bump 432 is connected with the limiting cylinder 41 through a spring.

After the position of the arterial pulsation peak is found through the pressure sensor 5, the driving assembly is used for driving the connecting block 42 to drive the moving shaft 43 to extend out of the pen cap 12, the edge of the round hole 431 is used for lightly pressing the arterial pulsation peak of the patient, an indentation is left on the skin, when in puncture, medical staff can quickly find a puncture point according to the indentation for puncture, and the puncture success rate is high. Wherein, a spring is arranged between the convex block 432 and the limiting cylinder 41, after the medical staff loosens the driving component, the moving shaft 43 can recover to the original position under the action of the spring and is collected in the pen body 11, and the sending collision when the positioning pen is moved is avoided.

In another embodiment, as shown in fig. 5, the marking assembly includes a position limiting cylinder 41 disposed in the pen body 11, and a marking member; the limiting cylinder 41 penetrates into the pen cap 12; the marker is arranged in the limiting cylinder 41; the driving assembly drives the marker to reciprocate along the position limiting cylinder 41. The marking piece comprises a connecting block 42 arranged in the pen body 11, a moving rod 44 connected with the connecting block 42, a piston 45 arranged in the limiting cylinder 41 and a sponge 46 arranged at the end part of the limiting cylinder 41; the connecting block 42 is connected with the driving component; the moving rod 44 penetrates into the limiting cylinder 41 and is connected with the piston 45; the piston 45 is connected with the limiting cylinder 41 through a spring.

Wherein, the limiting cylinder 41 is provided with colored liquid medicine, such as methylene blue liquid medicine, etc. After the position of the highest point of the artery pulse is found by the pressure sensor 5, the driving assembly is used for driving the connecting block 42 to drive the moving rod 44 to push the piston 45, the piston 45 compresses the colored solution to the port of the limiting cylinder 41 and contacts with the sponge 46, after the sponge 46 is wetted, the mark is left at the skin puncture position by contacting with the skin, medical staff can quickly find the puncture point according to the mark for puncture, and the puncture success rate is high.

In the above embodiment, the piston 45 is connected to the end of the position-limiting cylinder 41 through a spring, and the piston 45 is brought back to the original position by the spring, so as to perform the next extrusion of the colored liquid medicine. The sponge 46 is partially exposed in the cap 12. The limiting cylinder 41 comprises a cylinder body and a top cover, and the top cover is connected to the cylinder body through screws. The pen body is provided with an installation position, and the limiting cylinder is embedded in the installation position.

In a further embodiment, the driving assembly includes a button 31 provided on a side wall of the pen body 11, a link 32 provided in the pen body 11, and a protruding shaft 114; one end of the connecting rod 32 is hinged with the button 31, and the other end is hinged with the connecting block 42; the connecting rod 32 is provided with a chute 33; the protruding shaft 114 penetrates into the slide groove 33. The button 31 is pressed, the button 31 drives the connecting rod 32 to move towards the direction close to the pen cap 12, the connecting rod 32 pushes the connecting block 42 to move, and then the moving shaft 43 or the piston 45 is pushed to move, so that the mark is made when the arterial pulsation peak is found, medical staff can conveniently find a puncture point to puncture, multiple times of puncture is avoided, the puncture success rate is high, the equipment cost is low, and the pain of a patient is reduced. Wherein, because the connecting rod 32 is provided with the sliding groove 33, the position of the connecting rod 32 in the moving process is not fixed, and the connecting block 42 can be pushed to move.

In the above embodiment, the driving assemblies are symmetrically arranged along the central axis of the pen body 11, wherein the buttons 31 on both sides are connected by the spring, so that the buttons 31 can be quickly restored to the original positions after the buttons 31 are pressed.

In a further embodiment, a power source 115 is provided in the pen body 11; the power supply 115 is electrically connected to a control board (not shown). The power source 115 may be a button cell, a No. 5 cell or a No. 7 cell, or a battery which is composed of a storage battery, a capacitor and a charging interface and can be continuously used, and provides power for the display screen 23 and the pressure sensor 5.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides a be applied to arteriopuncture's location pen which characterized in that: comprises a shell; the shell is internally provided with a positioning component, a marking component and a driving component; a pressure sensor is arranged in the positioning assembly; the positioning assembly is reciprocally movable relative to the housing; the marking component penetrates into the positioning component; the driving component is hinged on the marking component.

2. The positioning pen for arterial puncture as claimed in claim 1, wherein the housing comprises a pen body and a pen cover connected with the pen body; the positioning assembly comprises a sliding sleeve arranged in the pen body and a connecting cover arranged in the pen cover; the sliding sleeve penetrates into the pen cover and is connected with the connecting cover; the pressure sensor is arranged at the joint of the sliding sleeve and the connecting cover.

3. The positioning pen for arterial puncture as claimed in claim 2, wherein the side wall of the pen body is provided with a mounting hole; the pen body is internally provided with a display screen and a control panel; the display screen is arranged in the mounting hole; the pressure sensor and the display screen are electrically connected with the control panel.

4. The positioning pen applied to arterial puncture as claimed in claim 2, wherein a gear is arranged in the pen body; a rack is arranged on the side wall of the sliding sleeve; the gear is meshed with the rack.

5. The positioning pen for arterial puncture as claimed in claim 4, wherein the side wall of the pen body is provided with an adjusting hole; a sliding rail is arranged in the pen body; the gear is positioned in the adjusting hole; the rack is arranged in the sliding rail.

6. The positioning pen for arterial puncture as claimed in claim 2, wherein the marking assembly comprises a limiting barrel arranged in the pen body and a marking piece; the limiting cylinder penetrates into the pen cap; the marker is arranged in the limiting cylinder; the driving assembly drives the mark piece to reciprocate along the limiting cylinder.

7. The positioning pen for arterial puncture as claimed in claim 6, wherein the marker includes a connecting block disposed in the pen body, and a moving shaft connected to the connecting block; the connecting block is connected with the driving assembly; one end of the moving shaft is provided with a round hole; the moving shaft penetrates into the limiting cylinder; a lug is arranged in the middle of the moving shaft; the lug is connected with the limiting cylinder through a spring.

8. The positioning pen applied to arterial puncture according to claim 6, wherein the marker comprises a connecting block arranged in the pen body, a moving rod connected with the connecting block, a piston arranged in the limiting cylinder and a sponge arranged at the end of the limiting cylinder; the connecting block is connected with the driving assembly; the moving rod penetrates into the limiting cylinder and is connected with the piston; the piston is connected with the limiting cylinder through a spring.

9. The positioning pen for arterial puncture according to claim 7 or 8, wherein the driving assembly comprises a button arranged on the side wall of the pen body, a connecting rod arranged in the pen body and a convex shaft; one end of the connecting rod is hinged with the button, and the other end of the connecting rod is hinged with the connecting block; a chute is arranged on the connecting rod; the protruding shaft penetrates into the sliding groove.

10. The positioning pen applied to arterial puncture as claimed in claim 3, wherein a power supply is arranged in the pen body; the power supply is electrically connected with the control board.