CN215931404U

CN215931404U - Sampling device for medical examination

Info

Publication number: CN215931404U
Application number: CN202122304836.9U
Authority: CN
Inventors: 应薛平
Original assignee: Pan'an People's Hospital Pan'an People's Hospital Medical Community
Current assignee: Pan'an People's Hospital Pan'an People's Hospital Medical Community
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-01
Anticipated expiration: 2031-09-23

Abstract

The utility model provides a sampling device for medical examination, which comprises a needle tube and a needle head, wherein the outer wall of the top end of the needle tube is fixedly connected with a limit ring, the outer wall of the limiting ring is sleeved with a movable shell, the outer wall of the movable shell is provided with a sliding groove, the outer walls of the movable shell close to the two sides of the sliding groove are marked with scales, the initial position of the scale and the bottom end of the limit ring are on the same plane, the inner wall of the sliding groove is connected with a sliding rod in a sliding way, one end of the sliding rod close to the needle tube is fixedly connected with a fixed block, the other end of the sliding rod is fixedly connected with a rotating button, the outer wall of the sliding rod between the rotating button and the movable shell is connected with a handheld block through threads, the outer walls of the two sides of the hand-held block are fixedly connected with a finger mark head, the inner wall of the top end of the movable shell is movably connected with an adjusting cover, the bottom end of the adjusting cover is fixedly connected with a piston rod, and the outer wall of the piston rod is attached to the inner wall of the needle tube. The utility model achieves the effect of accurately controlling the sampling quantity.

Description

Sampling device for medical examination

Technical Field

The utility model relates to the technical field of medical examination, in particular to a sampling device for medical examination.

Background

Medical testing is a science of microbiology, immunology, biochemistry, genetics, hematology, biophysics, cytology, etc., of materials taken from the human body, providing information for the prevention, diagnosis, treatment of human diseases and assessment of human health. When a doctor diagnoses, the doctor needs to perform body fluid examination on a patient, and when body fluid sampling is performed, a sampling device needs to be used.

In the prior art, a rubber head dropper or a piston and needle cylinder mode is adopted for sampling, but the rubber head dropper cannot accurately control the sampling amount when sampling, the sampling is completely observed by naked eyes of workers, and the piston and needle cylinder is too violent when sampling, so that excessive sampling is easily performed, and therefore, a space needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a sampling device for medical examination, which solves or alleviates the technical problems in the prior art, and at least provides a beneficial choice.

The technical scheme of the embodiment of the utility model is realized as follows: a sampling device for medical examination comprises a needle tube and a needle head, wherein the outer wall of the top end of the needle tube is fixedly connected with a limit ring, the outer wall of the limiting ring is sleeved with a movable shell, the outer wall of the movable shell is provided with a sliding groove, the outer walls of the movable shell close to the two sides of the sliding groove are marked with scales, the initial position of the scale and the bottom end of the limit ring are on the same plane, the inner wall of the sliding groove is connected with a sliding rod in a sliding way, one end of the sliding rod close to the needle tube is fixedly connected with a fixed block, the other end of the sliding rod is fixedly connected with a rotating button, the outer wall of the sliding rod between the rotating button and the movable shell is connected with a handheld block through threads, the outer walls of the two sides of the hand-held block are fixedly connected with a finger mark head, the inner wall of the top end of the movable shell is movably connected with an adjusting cover, the bottom end of the adjusting cover is fixedly connected with a piston rod, and the outer wall of the piston rod is attached to the inner wall of the needle tube.

In some embodiments, the outer wall of the bottom end of the needle tube is provided with a first thread, the inner wall of the top end of the needle head is provided with a second thread, and the first thread is matched with the second thread.

In some embodiments, the inner wall of the top end of the movable shell is provided with a third thread, the outer wall of the bottom end of the adjusting cover is provided with a fourth thread, and the third thread is matched with the fourth thread.

In some embodiments, a sealing ring is sleeved at the joint of the needle tube and the needle head.

In some embodiments, the outer wall of the bottom end of the movable shell is fixedly connected with a clamping ring, and a rubber ring is clamped on the outer wall of the clamping ring.

In some embodiments, the outer wall of the rotating button is provided with an anti-slip groove.

In some embodiments, the inner wall of the bottom end of the needle head is provided with a filter tank, and a filter screen is arranged in the filter tank.

In some embodiments, a rubber rope is fixedly connected to the outer wall of the needle, and a protective cover is fixedly connected to one end, far away from the needle, of the rubber rope.

Due to the adoption of the technical scheme, the embodiment of the utility model has the following advantages:

1. the utility model provides a sampling device for medical science inspection, the staff points to hold between the fingers and holds the handheld piece and slide, what the scale that corresponds of what the finger mark head on the handheld piece is directional needs to take a sample, the rotatory knob that rotates of another hand, it moves on the handheld piece to drive the slide bar through the screw thread, and then drive the fixed block and laminate to the movable shell, it unclamps both hands when the movable shell presss from both sides tightly and the knob can not rotate between fixed block and handheld piece, hold the syringe needle of movable shell another hand holding the bottom again on one hand, slide the movable shell backward until the fixed block laminates with the spacing ring mutually with the hand, the movable shell moves the piston through adjusting cover and moves futilely, make the syringe needle take a sample, the distance that the piston rod removed is the distance of index on the scale promptly, reach the effect of accurate control sample volume.

2. The utility model provides a sampling device for medical science inspection, can rotate through between threaded connection's activity shell and the regulation lid, and then can finely tune about can going on the position of piston rod, can carry out the scale adjustment before the sample, reaches more accurate sample volume.

3. The utility model provides a sampling device for medical science inspection, the rubber circle produces deformation and joint ring and carries out the joint under the effect of power, avoids droing from the bottom of the sliding groove at the slide bar, and then leads to fixed block, handheld piece and rotation button to drop together, reaches the effect of protection to the slide bar.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional structural view of the present invention;

FIG. 3 is a block diagram highlighting a hand piece of the present invention.

Reference numerals:

the novel syringe comprises a needle tube 1, a needle head 2, a limiting ring 3, a movable shell 4, a sliding groove 5, a sliding rod 6, a fixed block 7, a rotating button 8, a handheld block 9, an adjusting cover 10, a piston rod 11, a first thread 12, a second thread 13, a third thread 14, a fourth thread 15, a sealing ring 16, a clamping ring 17, a rubber ring 18, an anti-slip groove 19, a filter groove 20, a rubber rope 21 and a protective cover 22.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in figures 1-3, a sampling device for medical examination comprises a needle tube 1 and a needle head 2, the outer wall of the top end of the needle tube 1 is fixedly connected with a limit ring 3, the outer wall of the limit ring 3 is sleeved with a movable shell 4, the outer wall of the movable shell 4 is provided with a sliding groove 5, the outer walls of the movable shell 4 close to two sides of the sliding groove 5 are all marked with scales, the initial positions of the scales and the bottom end of the limit ring 3 are on the same plane, the inner wall of the sliding groove 5 is slidably connected with a sliding rod 6, one end of the sliding rod 6 close to the needle tube 1 is fixedly connected with a fixed block 7, the other end of the sliding rod 6 is fixedly connected with a rotating button 8, the outer wall of the sliding rod 6 between the rotating button 8 and the movable shell 4 is connected with a handheld block 9 through threads, the outer walls of two sides of the handheld block 9 are fixedly connected with fingers, the inner wall of the top end of the movable shell 4 is movably connected with an adjusting cover 10, the bottom end of the adjusting cover 10 is fixedly connected with a piston rod 11, and the outer wall of the piston rod 11 is attached to the inner wall of the needle tube 1.

In this embodiment, first screw thread 12 has been seted up to 1 bottom outer wall of needle tubing, and second screw thread 13 has been seted up to 2 top inner walls of syringe needle, and first screw thread 12 and 13 looks adaptations of second screw thread, through threaded connection's needle tubing 1 and 2 convenient to detach of syringe needle, reach convenient abluent effect.

In this embodiment, third screw thread 14 has been seted up to 4 top inner walls of activity shell, and fourth screw thread 15 has been seted up to regulation lid 10 bottom outer wall, and third screw thread 14 and 15 looks adaptations of fourth screw thread, can rotate between activity shell 4 through threaded connection and the regulation lid 10, and then can finely tune about can going on the position of piston rod 11, can carry out the scale adjustment before the sample, reach more accurate sample volume.

In this embodiment, the joint of the needle tube 1 and the needle 2 is sleeved with a sealing ring 16, and the sealing ring 16 can make the tightness between the needle tube 1 and the needle 2 better, so as to avoid liquid leakage during sampling.

In this embodiment, 4 bottom outer walls fixed connection joint rings 17 of activity shell, 17 outer wall joints of joint ring have rubber circle 18, and rubber circle 18 produces deformation and joint ring 17 under the effect of power and carries out the joint, avoids droing from 5 bottoms of sliding tray at slide bar 6, and then leads to fixed block 7, handheld piece 9 and rotation button 8 to drop together, reaches the effect of protection to slide bar 6.

In this embodiment, the outer wall of the rotating button 8 is provided with an anti-slip groove 19, and the friction force of the worker on the rotating button 8 during rotation can be increased by the arrangement of the anti-slip groove 19, so that a better use effect is achieved.

In this embodiment, filter tank 20 has been seted up to 2 bottom inner walls of syringe needle, is provided with the filter screen in the filter tank 20, and the filter screen in the filter tank 20 can avoid in the foreign matter inhales needle tubing 1, leads to influencing subsequent medical examination.

In this embodiment, 2 outer walls fixedly connected with rubber rope 21 of syringe needle, the one end fixedly connected with visor 22 of syringe needle 2 is kept away from to rubber rope 21, and after cleaning and disinfecting, can cover visor 22, avoid bacterium and microorganism to get into needle tubing 1 in, influence next medical examination.

When the sampling device works, a worker pinches the handheld block 9 with fingers to slide, the finger mark head on the handheld block 9 points to a scale corresponding to the sampling amount, the other hand rotates the rotating button 8, the sliding rod 6 is driven to move on the handheld block 9 through threads, the fixed block 7 is driven to be attached to the movable shell 4, when the movable shell 4 is clamped between the fixed block 7 and the handheld block 9 and the rotating button cannot rotate, two hands are loosened, the movable shell 4 is held with the other hand, the needle head 2 at the bottom is held with the other hand, the movable shell 4 is slid backwards until the fixed block 7 is attached to the limiting ring 3 with the hand, the movable shell 4 drives the piston to move through the adjusting cover 10, the needle head 2 is enabled to sample, the moving distance of the piston rod 11 is the distance of the index on the scale, and the effect of accurately controlling the sampling amount is achieved.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A sampling device for medical examinations, comprising a needle cannula (1) and a needle head (2), characterized in that: the needle tube (1) top outer wall fixedly connected with spacing ring (3), spacing ring (3) outer wall has cup jointed movable shell (4), sliding tray (5) have been seted up to movable shell (4) outer wall, the outer wall that movable shell (4) are close to sliding tray (5) both sides all is marked scale, and the initial position of scale and spacing ring (3) bottom are at the coplanar, sliding tray (5) inner wall sliding connection has slide bar (6), the one end fixedly connected with fixed block (7) of slide bar (6) close to needle tube (1), slide bar (6) other end fixedly connected with rotates button (8), the outer wall that slide bar (6) are located between rotation button (8) and movable shell (4) has handheld piece (9) through threaded connection, and handheld piece (9) both sides outer wall fixedly connected with finger mark head, movable shell (4) top inner wall movably connected with adjusting cap (10), the bottom end of the adjusting cover (10) is fixedly connected with a piston rod (11), and the outer wall of the piston rod (11) is attached to the inner wall of the needle tube (1).

2. A sampling device for medical testing according to claim 1, wherein: first screw thread (12) have been seted up to needle tubing (1) bottom outer wall, second screw thread (13) have been seted up to syringe needle (2) top inner wall, and first screw thread (12) and second screw thread (13) looks adaptation.

3. A sampling device for medical testing according to claim 1, wherein: third screw thread (14) have been seted up to activity shell (4) top inner wall, fourth screw thread (15) have been seted up to regulation lid (10) bottom outer wall, and third screw thread (14) and fourth screw thread (15) looks adaptation.

4. A sampling device for medical testing according to claim 1, wherein: and a sealing ring (16) is sleeved at the joint of the needle tube (1) and the needle head (2).

5. A sampling device for medical testing according to claim 1, wherein: the outer wall of the bottom end of the movable shell (4) is fixedly connected with a clamping ring (17), and a rubber ring (18) is clamped on the outer wall of the clamping ring (17).

6. A sampling device for medical testing according to claim 1, wherein: the outer wall of the rotating button (8) is provided with an anti-skid groove (19).

7. A sampling device for medical testing according to claim 1, wherein: a filter tank (20) is arranged on the inner wall of the bottom end of the needle head (2), and a filter screen is arranged in the filter tank (20).

8. A sampling device for medical testing according to claim 1, wherein: the outer wall of the needle head (2) is fixedly connected with a rubber rope (21), and one end of the rubber rope (21) far away from the needle head (2) is fixedly connected with a protective cover (22).