CN115553884A

CN115553884A - Cardiovascular clinical operation piercing depth

Info

Publication number: CN115553884A
Application number: CN202211222939.3A
Authority: CN
Inventors: 耿雪; 卢蕊; 崔南奇
Original assignee: Second Hospital of Hebei Medical University
Current assignee: Second Hospital of Hebei Medical University
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-03

Abstract

The invention belongs to the technical field of medical instruments and discloses a cardiovascular clinical operation puncturing device which comprises a shell and a base, wherein a second limiting block is fixedly arranged inside the shell, rollers are respectively and movably arranged at the left end and the right end of the inside of the shell, which are far away from the bottom of the second limiting block, the insides of the two rollers are respectively and annularly and equiangularly fixedly provided with a first spring, and guiding blocks are respectively and fixedly arranged outside the first springs. The invention achieves the purpose of facilitating puncture by arranging the rollers, the buffer cushion, the guide block and the like, the puncture needle is placed in the shell and limited by the second limiting block, the puncture needle passes between the two rollers and drives the puncture needle to move downwards to puncture the cardiovascular system of a patient, the manual puncture of medical personnel is reduced, the success rate of puncture is increased, and meanwhile, the puncture efficiency is improved, so that the effect of facilitating puncture is achieved.

Description

Cardiovascular clinical operation piercing depth

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a cardiovascular clinical operation puncture device.

Background

Puncture is a diagnosis and treatment technique in which a puncture needle is inserted into a body cavity to extract secretions for assay, gas or a contrast agent is injected into the body cavity to perform contrast examination, or medicines are injected into the body cavity.

At present cardiovascular puncture is observed with the help of B ultrasonic, medical personnel are at handheld pjncture needle, puncture to the patient, the process at the puncture is higher to medical personnel's technical requirement, doctor's spirit needs highly concentrated, the condition that the hand trembled can not appear, in order to avoid appearing the puncture skew, not only test doctor's technique need have better physical power simultaneously when the puncture, comparatively young medical personnel trembles because the experience is not enough or the practice is less easily appears the hand at the in-process of puncture, lead to the skew to appear in the puncture, need repeated puncture, patient's misery has not only been increased, the efficiency of puncture treatment has been reduced simultaneously.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a cardiovascular clinical operation puncture device, which achieves the purpose of facilitating puncture by arranging rollers, buffer pads, a guide block and the like, a puncture needle is placed in a shell and limited by a second limit block, the puncture needle passes between the two rollers, the lower end of the puncture needle is limited by the two first limit blocks, at the moment, a rotating handle drives a second transmission gear to rotate, the first transmission gear is driven to rotate at the same time, the two rollers are driven to rotate respectively by the rotation of the first transmission gear and the second transmission gear, the buffer pads outside the two rollers are respectively contacted with the outside of the puncture needle, the puncture needle is driven to move downwards, the cardiovascular of a patient is punctured, the success rate of puncture is increased, the puncture efficiency is improved, and the advantage of facilitating puncture is achieved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cardiovascular clinical operation piercing depth, includes shell and base, the inside fixed mounting of shell has the second stopper, both ends are kept away from about the shell is inside the bottom of second stopper movable mounting respectively has the cylinder, two angle fixed mounting such as the inside difference ring shape of cylinder has first spring, the outside fixed mounting respectively of first spring has the guide block, the outside fixed mounting of guide block has the blotter, two one side fixed mounting respectively of cylinder has the swiveling wheel, two the opposite side of cylinder fixed mounting respectively has second drive gear and first drive gear, one side fixed mounting of second drive gear has the handle, both ends are kept away from about the shell is inside two the bottom of cylinder is fixed mounting respectively has first stopper, two the outside of first stopper is fixed mounting respectively has the supporting shoe, the inside upper and lower both ends in the shell back are fixed mounting respectively has the second spring, the inboard of second spring is fixed mounting respectively has the extrusion piece, the bottom fixed mounting of shell has the support ring.

Among the above-mentioned technical scheme, it is preferred, the bottom fixed mounting of base has the rubber pad, the top of base angularly movable joint such as annular has spacing ball, four the top of spacing ball is fixed mounting respectively has the sleeve, four telescopic top is fixed mounting respectively has the fixed block, four telescopic inside is the activity respectively cup jointed the telescopic link, the outside threaded connection of fixed block has the nut.

In the above technical solution, preferably, the diameters of the roller, the guide block, and the cushion pad gradually increase from the middle to the left and right ends, and the cushion pad is made of a rubber material.

In the above technical solution, preferably, the guide blocks are movably clamped outside the drum respectively, the second transmission gear is engaged with the outer edge of the first transmission gear, and the handle is located outside the housing.

In the above technical solution, preferably, the second limiting block is perpendicular to the two first limiting blocks, the supporting block and the two first limiting blocks are made of rubber, the two first limiting blocks are fan-shaped,

in the above technical solution, preferably, one side of the extrusion block is arc-shaped, and one side of the extrusion block is in contact with the outside of the rotating wheel.

Among the above-mentioned technical scheme, preferably, four rectangular notch has been seted up respectively to the outside of fixed block, four the diameter value of nut inner wall increases progressively from left to right in proper order.

Among the above-mentioned technical scheme, preferably, four the top and four of telescopic link telescopic bottom fixed mounting respectively has spacing ball, four the spacing ball at telescopic link top is movable joint respectively in the middle part of shell four sides.

Compared with the prior art, the invention has the following beneficial effects:

the puncture needle is arranged in the shell and limited by the second limiting block, the puncture needle passes between the two rollers and is limited at the lower end of the puncture needle by the two first limiting blocks, the rotating handle drives the second transmission gear to rotate and simultaneously drives the first transmission gear to rotate, the two rollers are respectively driven to rotate by the rotation of the first transmission gear and the second transmission gear, the buffer cushions outside the two rollers are respectively contacted with the outside of the puncture needle and drive the puncture needle to move downwards to puncture the cardiovascular of a patient, the manual puncture of medical personnel is reduced, the success rate of puncture is increased, the puncture efficiency is improved, and the effect of facilitating puncture is achieved;

the medical care personnel manually shake the shell, the shell slides in the base through the support ring, meanwhile, when the angle of the shell is adjusted, the four telescopic rods are respectively compressed and stretched, meanwhile, the four limiting balls are respectively and movably clamped in the shell and the base, after the shell is adjusted to a proper angle, the nuts are respectively rotated and move through threads outside the fixed block, one end of the fixed block is extruded while the nuts move, and the fixed block applies pressure to the telescopic rods inside to fix the telescopic rods, so that the effect of facilitating angle adjustment is achieved;

the puncture needle achieves the purpose of stable puncture by arranging the second spring, the extrusion block, the rotating wheels and the like, the second transmission gear and the first transmission gear are driven to rotate through the rotating handle, the two rollers are driven to rotate inwards at the same time, the two rotating wheels rotate along with the two rollers, the extrusion block is extruded outside the two rotating wheels respectively, the extrusion block applies pressure to the rotating wheels, the rotating resistance of the two rollers is increased, discomfort of a patient caused by the fact that the two rollers rotate too fast is avoided, and the puncture needle can be prevented from being too much due to inertia, so that the effect of stable puncture is achieved.

Drawings

FIG. 1 is a schematic view of the overall appearance of the structure of the present invention;

FIG. 2 is a schematic front end cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic half-sectional view of the structure of the present invention;

FIG. 4 is a schematic view of the exterior of the structural sleeve of the present invention;

FIG. 5 is a schematic rear cross-sectional view of the structure of the present invention;

FIG. 6 is a schematic view of the appearance of the structural cushion of the present invention;

FIG. 7 is a schematic cross-sectional view of a drum of the present invention;

fig. 8 is an appearance diagram of the structural guide block of the present invention.

In the figure: 1. a housing; 2. a handle; 3. a base; 4. a support ring; 5. a sleeve; 6. a nut; 7. a telescopic rod; 8. a rubber pad; 9. a first transmission gear; 10. a second transmission gear; 11. a fixed block; 12. a first stopper; 13. a supporting block; 14. a second limiting block; 15. a drum; 16. a guide block; 17. a rotating wheel; 18. a cushion pad; 19. a limiting ball; 20. a first spring; 21. a second spring; 22. and extruding the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in fig. 1 to 8, the invention provides a cardiovascular clinical surgery puncturing device, which comprises a housing 1 and a base 3, wherein a second limiting block 14 is fixedly installed inside the housing 1, rollers 15 are respectively and movably installed at the bottoms of the left and right ends inside the housing 1, which are far away from the second limiting block 14, first springs 20 are respectively and fixedly installed inside the two rollers 15 at equal angles in a ring shape, guide blocks 16 are respectively and fixedly installed outside the first springs 20, cushion pads 18 are fixedly installed outside the guide blocks 16, rotating wheels 17 are respectively and fixedly installed at one sides of the two rollers 15, second transmission gears 10 and first transmission gears 9 are respectively and fixedly installed at the other sides of the two rollers 15, a handle 2 is fixedly installed at one side of the second transmission gear 10, first limiting blocks 12 are respectively and fixedly installed at the bottoms of the left and right ends inside the housing 1, which are far away from the two rollers 15, supporting blocks 13 are respectively and fixedly installed outside the two first limiting blocks 12, second springs 21 are respectively and fixedly installed at the upper and lower ends inside the back of the housing 1, extrusion blocks 22 are respectively and a supporting ring 4 is fixedly installed at the bottom of the housing 1; through B ultrasonic penetration, the base 3 is placed on the body of a patient, the puncture needle is punctured to the inside of the shell 1, the puncture needle is limited by the second limiting block 14 and the first limiting block 12 respectively, the puncture needle is contacted with the two cushion pads 18 between the two rollers 15 to be penetrated, the puncture needle is fixed by the two cushion pads 18, the rotating handle 2 drives the first transmission gear 9 and the second transmission gear 10 to rotate, the two rollers 15 are driven to rotate respectively, the puncture needle is pushed to move downwards by the two inward rotations, the cardiovascular of the patient is punctured, and the phenomenon that hands shake or puncture offset occurs due to insufficient experience of doctors is avoided.

As shown in fig. 1, 2, 3 and 4, a rubber pad 8 is fixedly installed at the bottom of a base 3, limit balls 19 are movably clamped at the top of the base 3 at equal angles in an annular shape, sleeves 5 are respectively and fixedly installed at the tops of the four limit balls 19, fixed blocks 11 are respectively and fixedly installed at the tops of the four sleeves 5, telescopic rods 7 are respectively movably sleeved inside the four sleeves 5, and nuts 6 are connected to the outer portions of the fixed blocks 11 in a threaded manner; confirm the puncture position through the ultrasonic observation of B, medical personnel handheld shell 1 places base 3 on the patient is healthy, confirm the angle of cardiovascular puncture through observing the ultrasonic B, will manually wave shell 1, support ring 4 will slide in the inside of base 3, four telescopic links 7 will be stretched respectively and contract simultaneously, adjust to suitable angle back at shell 1, swivel nut 6 respectively, nut 6 removes through the outside screw thread of fixed block 11, the one end that goes on fixed block 11 is extruded, it fixes to the pressure of exerting pressure of telescopic link 7 through fixed block 11.

As shown in fig. 6, 7 and 8, the diameters of the roller 15, the guide block 16 and the buffer pad 18 gradually increase from the middle to the left and right ends, the buffer pad 18 is made of rubber, the guide block 16 is movably clamped outside the roller 15, the second transmission gear 10 is meshed with the outer edge of the first transmission gear 9, and the handle 2 is located outside the housing 1; through running through the pjncture needle in the middle part between two cylinders 15, the pjncture needle extrudees two blotters 18 respectively, promote guide block 16 and move to the inboard, extrude first spring 20 respectively, fix the pjncture needle through blotter 18, it is rotatory to drive second drive gear 10 with rotatory handle 2, second drive gear 10 will drive first drive gear 9 rotatory, it is rotatory to drive two cylinders 15 to the inboard respectively through second drive gear 10 and first drive gear 9, puncture patient's cardiovascular, reduce medical personnel's manual puncture, increase through blotter 18 and the pjncture needle between frictional force.

As shown in fig. 3, the second limiting block 14 is perpendicular to the two first limiting blocks 12, the supporting block 13 and the two first limiting blocks 12 are both made of rubber, and the two first limiting blocks 12 are fan-shaped; by placing the puncture needle inside the housing 1, the upper end of the puncture needle is firstly limited by the second limiting blocks 14, and the lower end of the puncture needle is limited by the two first limiting blocks 12, so that the puncture needle is prevented from deviating.

As shown in fig. 5 and 6, one side of the pressing block 22 is arc-shaped, and one side of the pressing block 22 is in contact with the outside of the rotary wheel 17; two rotatory two swiveling wheels 17 of drive respectively through two cylinders 15, two swiveling wheels 17 are when rotatory, and two extrusion blocks 22 will exert pressure to swiveling wheel 17, increase the rotatory resistance of two cylinders 15, avoid producing inertia when rotatory, lead to the puncture too much, reduce patient's discomfort.

As shown in fig. 1, 2, 3 and 4, rectangular notches are respectively formed in the outsides of the four fixed blocks 11, the diameter values of the inner walls of the four nuts 6 are sequentially increased from left to right, limiting balls 19 are respectively and fixedly mounted on the tops of the four telescopic rods 7 and the bottoms of the four sleeves 5, and the limiting balls 19 on the tops of the four telescopic rods 7 are respectively and movably clamped in the middles of the four edges of the shell 1; through manual shell 1 of rocking, adjust the angle of shell 1, when shell 1 rocked, four telescopic links 7 will be contracted to the inside of sleeve 5 respectively, or stretched out, adjust shell 1 to suitable angle after, at four rotatory nuts 6 respectively, nut 6 removes through the outside screw thread of four fixed blocks 11, extrude the one end of fixed block 11 when nut 6 removes, fixed block 11 is spacing and fixed carrying on inside telescopic link 7.

The working principle and the using process of the invention are as follows:

when a patient needs to puncture, firstly, a medical worker holds the shell 1 by hand, confirms the puncture position through B-ultrasound, places the base 3 at a position confirmed in advance, observes the cardiovascular position through B-ultrasound, adjusts the angle of the shell 1, manually shakes the shell 1 by the medical worker, the shell 1 slides in the base 3 through the support ring 4, simultaneously, when the angle of the shell 1 is adjusted, the four telescopic rods 7 are respectively compressed and stretched, meanwhile, the four limit balls 19 are respectively movably clamped in the shell 1 and the base 3, after the shell 1 is adjusted to a proper angle, the nuts 6 are respectively rotated, the nuts 6 move through threads outside the fixed block 11, one end of the fixed block 11 is extruded while the nuts 6 move, and the fixed block 11 applies pressure to the telescopic rods 7 inside to fix the angle of the shell 1;

when the angle of the shell 1 is confirmed to be fixed, the puncture needle is placed in the shell 1 and limited by the second limiting block 14, the puncture needle passes through the two rollers 15 and is limited at the lower end of the puncture needle by the two first limiting blocks 12, the rotating handle 2 drives the second transmission gear 10 to rotate at the moment, the first transmission gear 9 is driven to rotate at the same time, the first transmission gear 9 and the second transmission gear 10 rotate to respectively drive the two rollers 15 to rotate, the buffer pads 18 outside the two rollers 15 are respectively contacted with the outside of the puncture needle, the puncture needle is driven to move downwards, the cardiovascular of a patient is punctured, when the two rollers 15 rotate, the squeezing blocks 22 are respectively squeezed by the outside of the two rotating wheels 17, the rotating wheels 17 are pressurized by the squeezing blocks 22, the rotating resistance of the two rollers 15 is increased, and discomfort of the patient caused by excessively fast rotation of the two rollers 15 is avoided.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cardiovascular clinical operation piercing depth, includes shell (1) and base (3), its characterized in that: the inside fixed mounting of shell (1) has second stopper (14), keep away from at both ends about shell (1) is inside angle fixed mounting such as annular respectively have first spring (20), the outside fixed mounting respectively of first spring (20) has guide block (16), the outside fixed mounting of guide block (16) has blotter (18), two one side fixed mounting respectively of cylinder (15) has swiveling wheel (17), two the opposite side of cylinder (15) is fixed mounting respectively has second drive gear (10) and first drive gear (9), one side fixed mounting of second drive gear (10) has handle (2), keep away from two at both ends about shell (1) is inside the bottom of cylinder (15) is fixed mounting respectively has first stopper (12), two the outside of first stopper (12) is fixed mounting respectively has supporting shoe (13), the inside upper and lower both ends in shell (1) back are fixed mounting respectively has second spring (21), the inboard fixed mounting of second spring (21) has the support ring (22) respectively, support ring (4) fixed mounting has bottom fixed mounting (4).

2. A cardiovascular clinical surgical puncture device according to claim 1, wherein: the bottom fixed mounting of base (3) has rubber pad (8), angle activity joint such as the top annular of base (3) has spacing ball (19), four the top of spacing ball (19) is fixed mounting respectively has sleeve (5), four the top of sleeve (5) is fixed mounting respectively has fixed block (11), four telescopic link (7) have been cup jointed in the activity respectively to the inside of sleeve (5), the outside threaded connection of fixed block (11) has nut (6).

3. A cardiovascular clinical surgical puncture device according to claim 1, wherein: the diameters of the roller (15), the guide block (16) and the buffer pad (18) gradually increase from the middle part to the left end and the right end, and the buffer pad (18) is made of rubber materials.

4. A cardiovascular clinical surgical puncture device according to claim 1, wherein: the guide blocks (16) are movably clamped outside the roller (15) respectively, the second transmission gear (10) is meshed with the outer edge of the first transmission gear (9), and the handle (2) is located outside the shell (1).

5. A cardiovascular clinical surgical puncture device according to claim 1, wherein: the second limiting blocks (14) are perpendicular to the two first limiting blocks (12), the supporting blocks (13) and the two first limiting blocks (12) are made of rubber materials, and the two first limiting blocks (12) are fan-shaped.

6. A cardiovascular clinical surgical puncture device according to claim 1, wherein: one side of the extrusion block (22) is arc-shaped, and one side of the extrusion block (22) is in contact with the outside of the rotating wheel (17).

7. A cardiovascular clinical surgical puncture device according to claim 2, wherein: four rectangular notches are respectively formed in the outer portions of the fixing blocks (11), and the diameter values of the inner walls of the nuts (6) are sequentially increased from left to right.

8. A cardiovascular clinical surgical puncture device according to claim 2, wherein: four the top of telescopic link (7) and four the bottom of sleeve (5) respectively fixed mounting have spacing ball (19), four spacing ball (19) at telescopic link (7) top activity joint respectively in the middle part of shell (1) four sides.