CN213249256U

CN213249256U - Urine sampling device

Info

Publication number: CN213249256U
Application number: CN202020803913.8U
Authority: CN
Inventors: 胡一宇; 胡一宁
Original assignee: Zhejiang Hospital
Current assignee: Zhejiang Hospital
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-05-25
Anticipated expiration: 2030-05-14

Abstract

The utility model belongs to the technical field of medical devices, in particular to a urine sampling device. It includes a urine collection cup, which is connected with a test tube through a pipeline, and is characterized in that the test tube is under negative pressure, and the test tube and the pipeline are connected by a self-sealing puncture structure. The advantages are: the urine collection cup, the self-sealing puncture structure, and the test tube are connected in sequence to form a whole structure. During the whole operation process, the urine is isolated from the patient to avoid urine splashing and the possibility of sample contamination; the puncture needle is concealed Inside the self-sealing puncture structure, the patient will not be injured during use, which is safer; the operation is very simple, and the test tube only needs to be rotated by hand, which is convenient for patients to use and reduces the workload of medical staff.

Description

Urine sampling device

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to an urine sampling device.

Background

The urine examination is one of three general examinations of clinical examination, including routine urine analysis, detection of visible components in urine (such as urine red blood cells, leukocytes, etc.), quantitative determination of protein components, and urease determination. Has very important value for clinical diagnosis, curative effect judgment and prognosis. The general method comprises the following steps: a patient is provided with an open plastic cup, and after the patient takes urine, the urine is moved into a test tube, so that the urine splashes outwards and splashes onto hands or other places, and pollution is caused. In addition, with the advent of aging in China, there are more and more elderly patients, and it is difficult for most elderly patients to move urine into a test tube.

Patent document [ CN201620578268.8] discloses a disposable urine specimen collector including a separate urine collection tube, urine suction tube, and urine collection cup. The urine collecting pipe is designed to be of a self-sealing structure sealed by the rubber tube, so that the urine collecting pipe is of a structure with negative pressure, urine can be automatically sucked into the urine collecting pipe through the urine sucking tube, a nursing staff is prevented from contacting body fluid of a patient, and the possibility of sample pollution is avoided.

However, the technical scheme adopts three independent components, namely a urine collecting pipe, a urine absorbing pipe and a urine collecting cup. When the urine collecting device is used, the needle head end of the urine absorbing pipe is firstly punctured into the urine collecting pipe, then the urine absorbing end of the urine absorbing pipe is gently and slowly placed into the urine collecting cup, the urine collecting pipe is a negative pressure structure pipe capable of being self-sealed, and urine can be automatically absorbed into the urine collecting pipe. For the patient, especially old patient has three part cooperation operation, and the degree of difficulty increases, and the urine suction pipe has the syringe needle end, and the patient stabs its self easily in the use, and the risk increases, and the urine splash still can appear in the swing of urine suction pipe, spatters on hand or other places to cause the pollution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, provide an avoid urine to spatter outward, easy operation safety's urine sampling device.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this urine sampling device, including collection urine cup, collection urine cup is connected with the test tube through the pipeline, and its characterized in that is the negative pressure in the test tube, is connected through proclaiming oneself a mouthful puncture structure between test tube and the pipeline.

In the urine sampling device, the self-sealing puncture structure comprises a puncture component and a sealing component, and the test tube is in a conduction state or a closed state along with the change of the distance between the puncture component and the sealing component.

In the urine sampling device, the puncture assembly is in threaded connection with the peripheral wall of the test tube, and the sealing assembly is arranged at the opening of the test tube.

In the urine sampling device, the upper puncture assembly comprises an upper cover and a puncture needle, the upper cover is fixedly connected with the pipeline, the puncture needle penetrates through the upper cover, and the pipeline is communicated with the puncture needle.

In foretell urine sampling device, the seal assembly includes test tube stopper, shrouding, reset spring and guide flange, shrouding and test tube stopper sliding connection, and the last puncture hole of setting down of opening of test tube stopper has seted up puncture hole on the shrouding, is equipped with reset spring between test tube stopper and the shrouding, and reset spring has radial outside pretightning force to the shrouding, and the guide flange is fixed on the upper cover inner wall, and works as the upper cover for guide flange promotes the shrouding and removes when the test tube makes opposite motion, goes up puncture hole and puncture hole coincidence down and forms puncture hole, the puncture needle inserts in the puncture hole, and works as the upper cover for when the test tube makes the phase separation motion, the puncture needle upwards removes, and the shrouding radially outwards removes under the reset spring effect, goes up puncture hole and puncture hole staggers down.

In the urine sampling device, the puncture needle, the upper cover and the lower puncture hole are all positioned on the same central axis.

In the urine sampling device, the thickness of the guide flange gradually becomes thicker along the clockwise direction, the inner end face of the guide flange is an arc face, the outer end face of the sealing plate is an arc face, and the outer end face is matched with the inner end face of the guide flange.

In the urine sampling device, the sealing plate is provided with a first groove, the test tube plug is provided with a second groove, the first groove and the second groove jointly enclose a spring accommodating groove, and the reset spring is arranged in the spring accommodating groove.

In foretell urine sampling device, urine collection cup includes cup, closing cap, handle, and the closing cap is articulated mutually with the cup, and the handle is articulated mutually with the cup, is equipped with the horizontal extension on the cup and has an overhead gage, and the overhead gage is located the handle top, is equipped with first fixture block and second fixture block on the cup, forms the bayonet socket with handle matched with between first fixture block and the second fixture block.

In foretell urine sampling device, urine collecting cup includes flexible foldable cup, holding frame and handle, and holding frame and flexible foldable cup fixed connection, holding frame have the storage tank that supplies flexible foldable cup to accomodate after folding, and the opening has been seted up to the up end of holding frame, and the handle is articulated mutually with the holding frame, and is equipped with the U-shaped fastener with handle matched with on the holding frame.

Compared with the prior art, this urine sampling device's advantage lies in:

first, collection urine cup, from a mouthful puncture structure, test tube connect gradually and form an overall structure, in the whole operation process, the urine is isolated with the patient, avoids the urine to spatter outward, has also avoided the contaminated possibility of sample.

Secondly, the puncture needle is hidden inside the self-sealing puncture structure, so that a patient cannot be punctured in the using process, and the safety is higher.

Thirdly, the operation is very simple, only need with the hand rotatory test tube can, make things convenient for the patient to use, the patient oneself just can accomplish the sampling of urine, has alleviateed medical staff's work load.

Drawings

Fig. 1 is a perspective view of a urine sampling device according to example 1 provided by the present invention.

Figure 2 is a side view of the urine sampling device of example 1 provided by the present invention.

Fig. 3 is a cross-sectional view taken along line a-a of fig. 2 according to the present invention.

Fig. 4 is a side view of the tubing and test tube provided by the present invention.

Fig. 5 is a cross-sectional view taken along line B-B of fig. 4 according to the present invention.

Fig. 6 is a partial enlarged view of a portion a in fig. 5 according to the present invention.

Fig. 7 is a cross-sectional view of the spike assembly and the closure assembly provided by the present invention.

Fig. 8 is a perspective view of the puncture assembly provided by the present invention.

Fig. 9 is a schematic structural view of the sealing assembly installed on the test tube according to the present invention.

Fig. 10 is a perspective view of the closure assembly provided by the present invention.

Fig. 11 is a schematic structural view of the sealing assembly in an unsealed state.

Fig. 12 is a cross-sectional view taken along line C-C of fig. 11 according to the present invention.

Fig. 13 is a cross-sectional view taken along line D-D of fig. 11 according to the present invention.

Fig. 14 is a schematic structural view of the sealing assembly according to the present invention in the sealing state.

Fig. 15 is a cross-sectional view taken along line F-F of fig. 14 provided by the present invention.

Fig. 16 is a state diagram of a view angle of the urine sampling device according to example 1 after being folded and stored.

Fig. 17 is a state diagram of another view angle of the urine sampling device according to embodiment 1 of the present invention after being folded and stored.

Fig. 18 is a perspective view of a urine sampling device according to example 2 provided by the present invention.

Figure 19 is a front view of the urine sampling device of example 2 provided by the present invention.

Fig. 20 is a cross-sectional view taken along line G-G of fig. 19 according to the present invention.

Fig. 21 is a partial enlarged view of the point B in fig. 18 according to the present invention.

In the figure, a urine collecting cup 1, a pipeline 2, a test tube 3, a self-sealing puncture structure 4, a puncture assembly 5, a sealing assembly 6, an upper cover 7, a puncture needle 8, a test tube plug 9, a sealing plate 10, a return spring 11, a guide flange 12, a lower puncture hole 13, an upper puncture hole 14, a puncture hole 15, an inner end surface 16, an outer end surface 17, a first groove 18, a second groove 19, a spring accommodating groove 20, a sealing cover 21, a handle 22, an upper baffle 23, a first clamping block 24, a second clamping block 25, a bayonet 26, a sliding block 27, a sliding groove 28, a cup body 29, a flexible foldable cup 30, an accommodating frame 31, an accommodating groove 32, an opening 33, a U-shaped clamping piece 34 and a clamping plate assembly 35.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figures 1-17, the urine sampling device comprises a urine collecting cup 1, wherein the urine collecting cup 1 is connected with a test tube 3 through a pipeline 2, negative pressure is arranged in the test tube 3, and the test tube 3 is connected with the pipeline 2 through a self-sealing puncture structure 4. The self-sealing puncture structure 4 has two functions of puncture and sealing, the puncture and the sealing are matched with each other, the sealing changes along with the change of the puncture, and the self-sealing puncture structure has two states, wherein one state is unsealed during puncture, and the other state is automatic sealing when the puncture is finished and the puncture is retracted without additional operation.

From sealing puncture structure 4 includes puncture set 5 and seal assembly 6, puncture set 5 and 3 perisporium threaded connection of test tube, seal assembly 6 sets up the oral area at test tube 3. The test tube 3 is in a conducting state or a closed state along with the change of the distance between the puncture assembly 5 and the sealing assembly 6. The description is divided into three stages: in the first stage, before the urine collecting cup is not used, the puncture component 5 does not penetrate into the test tube 3, the sealing component 6 is in a sealing state, and the test tube 3 is in a sealing state and is not communicated with the urine collecting cup 1; in the second stage, urine is collected by the urine collecting cup 1, then the puncture component 5 is held by one hand, the test tube 3 is rotated by the other hand, the distance between the puncture component 5 and the test tube 3 is reduced, meanwhile, the sealing component 6 is changed into an unsealed state from a sealed state, the puncture component 5 pierces the test tube 3, the test tube 3 is communicated with the urine collecting cup 1, negative pressure exists in the test tube 3, and the urine is sucked into the test tube 3; in the third stage, the puncture assembly 5 is held by one hand, the test tube 3 is rotated by the other hand, the distance between the puncture assembly 5 and the test tube 3 is increased, the puncture assembly 5 is withdrawn from the test tube 3, and simultaneously the sealing assembly 6 is changed from the unsealed state to the sealed state, i.e. the test tube 3 is restored to the sealed state again. Continue to rotate test tube 3 until test tube 3 and puncture assembly 5 separate, at this moment, with the sample test tube 3 of accomplishing directly the censorship can.

Collect urine cup 1, connect gradually from a mouthful puncture structure 4, test tube 3 and form an overall structure, in the whole operation process, the urine is isolated with the patient, avoids the urine to spatter outward, has also avoided the contaminated possibility of sample. The puncture needle is hidden inside the self-sealing puncture structure 4, so that a patient cannot be punctured in the using process, and the puncture needle is safer. The operation is very simple, the test tube 3 only needs to be rotated by hands, the use of a patient is convenient, and the workload of medical staff is reduced.

More specifically, the upper puncture assembly 5 comprises an upper cover 7 and a puncture needle 8, the upper cover 7 is fixedly connected with the pipeline 2, the puncture needle 8 penetrates through the upper cover 7, and the pipeline 2 is communicated with the puncture needle 8. Seal assembly 6 includes test tube stopper 9, shrouding 10, reset spring 11 and guide flange 12, shrouding 10 and test tube stopper 9 sliding connection, set up puncture hole 13 down on the test tube stopper 9, set up puncture hole 14 on the shrouding 10, pjncture needle 8, upper cover 7 and puncture hole 13 all lie in same axis down, be equipped with reset spring 11 between test tube stopper 9 and the shrouding 10, reset spring 11 has radial outside pretightning force to shrouding 10, guide flange 12 is fixed on 7 inner walls of upper cover.

The patient holds upper cover 7 in one hand, and rotatory test tube 3 of the other hand, and the distance between pjncture needle 8 on the upper cover 7 and the test tube 3 reduces, and the direction flange 12 on the upper cover 7 promotes shrouding 10 and removes simultaneously, and rotatory in-process goes up puncture hole 14 and forms puncture hole 15 with the lower puncture hole 13 coincidence, and pjncture needle 8 inserts in puncture hole 15, and test tube 3 communicates with collection urine cup 1, is the negative pressure in the test tube 3, and the urine is inhaled test tube 3. After the predetermined amount is gathered to the urine, upper cover 7 is held to one hand, and test tube 3 is rotatory to the other hand, and the distance between pjncture needle 8 and the test tube 3 grow, and simultaneously, shrouding 10 radially outwards removes under reset spring 11 effect, and rotatory in-process goes up puncture hole 14 and punctures hole 13 and staggers down, and pjncture needle 8 withdraws from test tube 3, and test tube 3 resumes the encapsulated situation again.

The guide flange 12 has a thickness gradually increasing in the needle direction, and an inner end surface 16 of the guide flange 12 is a curved surface. The outer end face 17 of the closure plate 10 is cambered and the outer end face 17 cooperates with the inner end face 16 of the guide flange 12. The sealing plate 10 is provided with a first groove 18, the test tube plug 9 is provided with a second groove 19, the first groove 18 and the second groove 19 jointly enclose a spring accommodating groove 20, the return spring 11 is arranged in the spring accommodating groove 20, one end of the return spring 11 is fixedly connected with the inner wall of the first groove 18, and the other end of the return spring 11 is fixedly connected with the inner wall of the second groove 19.

The test tube 3 is rotated, the distance between the puncture needle 8 and the test tube 3 is reduced, in the process, the inner end face 16 of the guide flange 12 is in contact with the outer end face 17 of the closing plate 10, the contact part of the guide flange 12 and the closing plate 10 becomes thicker gradually along with the rotation, and the closing plate 10 is pushed to overcome the pretightening force of the return spring 11 and move inwards in the radial direction. When the test tube 3 is rotated in the reverse direction, the distance between the puncture needle 8 and the test tube 3 increases, and in the process, the inner end surface 16 of the guide flange 12 contacts the outer end surface 17 of the sealing plate 10, and as the rotation progresses, the portion of the guide flange 12 contacting the sealing plate 10 becomes thinner, and the sealing plate 10 moves radially outward under the biasing force of the return spring 11. The puncture and the sealing are mutually matched, and can be synchronously performed due to the initiation of a rotation operation, the operation is very simple, and the use by a patient is convenient.

Shrouding 10 and test tube stopper 9 sliding connection, the both sides of shrouding 10 are equipped with sliding block 27 respectively, have seted up sliding tray 28 on the test tube stopper 9, and sliding block 27 and sliding tray 28 mutually support. Carry out vertical spacing to shrouding 10 and test tube stopper 9, avoid shrouding 10 slippage from test tube stopper 9 in the slip process. And the direction of sliding of the closure plate 10 is defined so that the closure plate 10 always slides in the predetermined direction.

The urine collection cup 1 comprises a flexible foldable cup 30, a receiving frame 31 and a handle 22. The flexible foldable cup 30 has a structure with two large ends and a small middle, and the mouth of the flexible foldable cup 30 faces the accommodating frame 31. The accommodating frame 31 is fixedly connected with the flexible foldable cup 30, the accommodating frame 31 is provided with an accommodating groove 32 for accommodating the flexible foldable cup 30 after being folded, and an opening 33 is formed in the upper end face of the accommodating frame 31. The handle 22 is hinged to the accommodating frame 31, a U-shaped clamping piece 34 matched with the handle 22 is arranged on the accommodating frame 31, and a clamping plate assembly 35 matched with the handle 22 is further arranged on the accommodating frame 31.

When not using, flexible folding cup 30 is fold condition and accomodates in holding frame 31, and during cardboard subassembly 35 was gone into to handle 22 card, flexible folding cup 30 was connected with test tube 3 through pipeline 2, and pipeline 2 and test tube 3 homoenergetic are received and are included in holding frame 31, and flexible folding cup 30, pipeline 2 and test tube 3 are pushed down to handle 22, and it is very little to accomodate back overall structure, convenient transportation, carries. When the foldable cup is used, the handle 22 is pulled out of the clamping plate assembly 35, then the handle 22 rotates 180 degrees around the joint, the handle 22 is clamped into the U-shaped clamping piece 34, and then the flexible foldable cup 30 is pulled out of the accommodating frame 31, because the flexible foldable cup 30 is of a small structure with two large ends and a small middle, the middle of the flexible foldable cup 30 is held by hands, the flexible foldable cup is convenient to pull out, the pulled-out flexible foldable cup 30 can maintain the shape after being unfolded, and the foldable cup is very convenient to use.

Example 2

As shown in fig. 18 to 21, the present embodiment is substantially the same as embodiment 1, except that the urine collecting cup 1 includes a cup body 29, a sealing cover 21, and a handle 22, the sealing cover 21 is hinged to the cup body 29, the handle 22 is hinged to the cup body 29, the cup body 29 is provided with an upper baffle 23 extending horizontally, the upper baffle 23 is located above the handle 22, the cup body 29 is provided with a first block 24 and a second block 25, and a bayonet 26 matched with the handle 22 is formed between the first block 24 and the second block 25. When the urine collector is used, the sealing cover 21 is opened, the handle 22 is pulled out of the bayonet 26 and then pulled upwards until the upper end of the handle 22 abuts against the upper baffle 23, and the handle 22 is held by hands, so that urine collection of a patient is facilitated. After urine is collected in the urine collection cup 1, the cover 21 is closed, the handle 22 is turned down, and the handle 22 is fixed after being clamped into the bayonet 26. The urine collecting cup 1 is sealed by the sealing cover 21, so that urine is not easy to leak, and the urine is prevented from polluting other places. The handle 22 is foldable and occupies a small space.

The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being contrary to the present invention in any manner whatsoever.

Claims

1. a urine sampling device, comprising a urine collection cup (1), the urine collection cup (1) is connected with a test tube (3) by a pipeline (2), and it is characterized in that, the test tube (3) is negative pressure, The test tube (3) and the pipeline (2) are connected by a self-sealing puncture structure (4).

2. The urine sampling device according to claim 1, characterized in that, the self-sealing puncture structure (4) comprises a puncture component (5) and a sealing component (6), and along with the puncturing component (5) and the sealing component The distance between the components (6) changes, and the test tube (3) is in a conducting state or a closed state.

3. The urine sampling device according to claim 2, wherein the puncturing assembly (5) is threadedly connected to the peripheral wall of the test tube (3), and the sealing assembly (6) is disposed on the test tube (3) ) of the mouth.

4. The urine sampling device according to claim 3, wherein the puncture assembly (5) comprises an upper cover (7) and a puncture needle (8), the upper cover (7) and the pipeline (2) ) is fixedly connected, the puncture needle (8) penetrates the upper cover (7), and the pipeline (2) communicates with the puncture needle (8).

5. The urine sampling device according to claim 4, wherein the sealing assembly (6) comprises a test tube plug (9), a sealing plate (10), a return spring (11) and a guide flange (12) , the sealing plate (10) is slidably connected with the test tube plug (9), the test tube plug (9) is provided with a lower puncture hole (13), the sealing plate (10) is provided with an upper puncture hole (14), the test tube plug (9) and A return spring (11) is arranged between the sealing plates (10), and the return spring (11) has a radially outward pre-tightening force on the sealing plate (10), and the guide flange (12) is fixed on the upper cover (7). ) on the inner wall, and when the upper cover (7) moves relative to the test tube (3), the guide flange (12) pushes the sealing plate (10) to move, and the upper puncture hole (14) and the lower puncture hole ( 13) A puncture hole (15) is formed by overlapping, the puncture needle (8) is inserted into the puncture hole (15), and when the upper cover (7) moves away from the test tube (3), the The puncture needle (8) moves upward, the sealing plate (10) moves radially outward under the action of the return spring (11), and the upper puncture hole (14) and the lower puncture hole (13) are staggered.

6. The urine sampling device according to claim 5, wherein the puncture needle (8), the upper cover (7) and the lower puncture hole (13) are all located on the same central axis.

7. The urine sampling device according to claim 5 or 6, wherein the thickness of the guide flange (12) gradually becomes thicker along the clockwise direction, and the inner end surface of the guide flange (12) (16) is an arc surface, the outer end surface (17) of the sealing plate (10) is an arc surface, and the outer end surface (17) is matched with the inner end surface (16) of the guide flange (12).

8. The urine sampling device according to claim 5 or 6, wherein a first groove (18) is provided on the sealing plate (10), and a second groove (18) is provided on the test tube plug (9) The groove (19), the first groove (18) and the second groove (19) together form a spring accommodating groove (20), and the return spring (11) is arranged in the spring accommodating groove (20).

9. The urine sampling device according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein the urine collection cup (1) comprises a flexible collapsible cup (30), a accommodating frame (31) ) and a handle (22), the accommodating frame (31) is fixedly connected with the flexible foldable cup (30), and the accommodating frame (31) has a accommodating groove (32) for the flexible foldable cup (30) to be folded and accommodated, The upper end surface of the accommodating frame (31) is provided with an opening (33), the handle (22) is hinged with the accommodating frame (31), and the accommodating frame (31) is provided with a U-shaped matching handle (22) Clip (34).

10. The urine sampling device according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein the urine collection cup (1) comprises a cup body (29), a cover (21), a handle (22), the cover (21) is hinged with the cup body (29), the handle (22) is hinged with the cup body (29), and the cup body (29) is provided with an upper baffle plate (23) extending horizontally. The baffle plate (23) is located above the handle (22), the cup body (29) is provided with a first clamping block (24) and a second clamping block (25), the first clamping block (24) and the second clamping block (25) ), a bayonet (26) matched with the handle (22) is formed.