Multipurpose blood sampling assembly

Abstract

The utility model provides a multipurpose blood sampling assembly which comprises an injector, a three-way valve, an inspection test tube inserting piece, a puncture blood sampling piece and an indwelling catheter blood sampling piece, a first connecting end of the three-way valve is detachably connected with a nipple of the injector, and a second connecting end of the three-way valve is detachably connected with the indwelling catheter blood sampling piece. The indwelling catheter blood sampling piece is detachably connected with the puncture blood sampling piece, the third connecting end of the three-way valve is detachably connected with the inspection test tube insertion piece, and the inspection test tube insertion piece is detachably connected with an external inspection test tube. According to the multipurpose blood sampling assembly, blood sampling through the indwelling catheter end can be achieved while blood sampling through a skin puncture blood vessel is achieved, communication between every two channels of the three-way valve is achieved by adjusting the three-way valve, and then corresponding front section blood collection and test blood collection and storage are achieved; the catheter is prevented from being repeatedly disassembled and connected in the blood sampling process, and the blood sampling convenience and safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical technology field especially, and relates to a multipurpose blood collection assembly. BACKGROUND

[0002] The critical patient in emergency department needs to be bled for test because of the critical condition and poor blood vessel condition, and the test provides reference for treatment, so the blood is collected immediately for test in the established venous access (such as: indwelling needle, central venous catheter, dialysis catheter), furthermore, with the popularization of invasive arterial puncture catheterization, most patients in ICU are indwelt with arterial puncture catheter, which can continuously monitor blood pressure and collect blood for test, greatly reducing the pain of patients.

[0003] When the blood is drawn through the indwelt blood vessel access, generally, the first syringe is used to draw about 5-10 milliliters of blood containing drug solution or sealing tube saline, then the second syringe is used to draw blood, and then the blood in the second syringe is injected into the test tube through the syringe needle, and the blood drawn by the first syringe can be transfused into the patient's body. However, the blood collection process is complex, and there are the following risks: the medical staff is easily pricked by the needle when the blood collected in the second syringe is injected into the test tube; the specimen is easily contaminated by repeatedly disassembling and disconnecting the catheter during the blood collection process; and there is a risk of contamination when the blood containing drug solution or heparin saline is transfused into the patient's body.

[0004] That is, how to provide a multipurpose blood collection assembly, which can directly collect blood through skin puncture blood vessels and also can collect blood through indwelt catheter, so as to achieve the technical effect of improving the convenience and safety of blood collection is a technical problem to be solved in the field. CONTENT OF UTILITY MODEL

[0005] In view of the above problems, the utility model aims at providing a multipurpose blood collection assembly, which at least solves the above at least one technical problem.

[0006] The utility model provides a multipurpose blood collection assembly, the multipurpose blood collection assembly includes:

[0007] Syringe, three-way valve, test tube insert, puncture blood collection part and indwelt catheter blood collection part,

[0008] The first connecting end of the three-way valve is detachably connected with the nipple of the syringe, the second connecting end of the three-way valve is detachably connected with the indwelt catheter blood collection part, the indwelt catheter blood collection part is detachably connected with the puncture blood collection part, the third connecting end of the three-way valve is detachably connected with the test tube insert, and the test tube insert is detachably connected with the external test tube.

[0009] Preferably, the indwelling catheter blood sampling member comprises:

[0010] A first hose, one end of the first hose being detachably connected with the second connecting end of the three-way valve;

[0011] A catheter connector, the catheter connector being fixed to the other end of the first hose, the catheter connector being detachably connected with an external indwelling catheter.

[0012] Preferably, the puncture blood sampling member comprises:

[0013] A second hose, one end of the second hose being detachably connected with the catheter connector;

[0014] A needle seat, the needle seat having a second liquid guide channel therein, one end of the needle seat being fixedly connected with the other end of the second hose;

[0015] A puncture needle, the puncture needle being fixed to the other end of the needle seat, a channel in the puncture needle being in communication with the second liquid guide channel.

[0016] Preferably, the test tube insert member comprises:

[0017] A third hose, one end of the third hose being detachably connected with the third connecting end of the three-way valve;

[0018] A connecting seat, the connecting seat having a first liquid guide channel therein, one end of the connecting seat being fixedly connected with the other end of the third hose;

[0019] A needle tube, one end of the needle tube being fixedly connected with the other end of the connecting seat, the needle tube being in communication with the liquid guide channel;

[0020] A test tube protective sleeve, the test tube protective sleeve being a hollow cylindrical structure, one end of the cylindrical structure being provided with a through hole, the other end of the test tube protective sleeve being open, the test tube protective sleeve being sleeved and fixed on the connecting seat through the through hole, the needle tube being located in the test tube protective sleeve;

[0021] A sealing film, the sealing film being glued at the open end of the test tube protective sleeve.

[0022] Preferably, the test tube insert member further comprises:

[0023] A pull ring, the pull ring being arranged on the outer sidewall of the sealing film.

[0024] Preferably, the inner diameter of the test tube protective sleeve is greater than the outer diameter of the test tube, and the end of the needle tube away from the connecting seat has a puncture tip.

[0025] Preferably, the puncture blood sampling member further comprises:

[0026] A rubber needle cap is sleeved on the outside of the puncture needle and detachably connected with the needle seat.

[0027] Preferably, the first connecting end of the three-way valve is threadedly connected with the nipple of the syringe, the second connecting end of the three-way valve is threadedly connected with one end of the first hose, the third connecting end of the three-way valve is threadedly connected with one end of the third hose, and the catheter connector is threadedly connected with one end of the second hose.

[0028] Preferably, the test tube protective sleeve is made of plastic.

[0029] Compared with the prior art, the utility model has the beneficial effects that:

[0030] Specifically, the utility model provides a multipurpose blood sampling assembly, including syringe, three -way valve, test tube insert, puncture blood sampling spare and indwelling catheter blood sampling spare, three -way valve's first connecting end is detachably connected with the nipple of syringe, three -way valve's second connecting end is detachably connected with indwelling catheter blood sampling spare, and indwelling catheter blood sampling spare is detachably connected with puncture blood sampling spare, three -way valve's third connecting end is detachably connected with test tube insert, and test tube insert is detachably connected with the test tube of outside. The multipurpose blood sampling assembly provided in the application can realize skin puncture blood vessel blood sampling and also can realize blood sampling through indwelling catheter end, the indwelling catheter can be indwelling needle, central venous catheter, dialysis catheter and arterial puncture catheter, can realize skin puncture blood vessel blood sampling through puncture blood sampling spare, and can realize indwelling end blood sampling through the detachable connection of indwelling catheter blood sampling spare and indwelling catheter, through the second connecting end of three -way valve, the first connecting end of blood extraction, the third connecting end is detachably connected with test tube to realize the collection and storage of blood to the blood collected from the second connecting end in test tube, at this time, the front segment blood collected in the syringe can be re-injected into the human body to reduce iatrogenic blood waste. By adjusting the knob of three -way valve, the communication between every two passages of three -way valve can be realized, and then the corresponding front segment blood collection and test blood collection and storage are realized, the repeated disassembly and connection of catheter in the blood sampling process are avoided, and the convenience and safety of blood sampling are improved.

[0031] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, which can be implemented according to the content of the specification, and in order to let the above and other purposes, characteristics and advantages of the utility model can be more obvious and easy to understand, the specific embodiment of the utility model is as follows. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present specification or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present specification, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0033] Figure 1 The structure schematic diagram of the multipurpose blood collection assembly in the embodiments of the present application.

[0034] Reference signs:

[0035] 1, syringe;

[0036] 2, three-way valve;

[0037] 21, first connecting end;

[0038] 22, second connecting end;

[0039] 23, third connecting end;

[0040] 3, indwelling catheter blood collection piece;

[0041] 31, first hose;

[0042] 32, catheter connector;

[0043] 4, puncture blood collection piece;

[0044] 41, second hose;

[0045] 42, needle seat;

[0046] 43, puncture needle;

[0047] 44, rubber needle cap;

[0048] 5, test tube insertion piece;

[0049] 51, third hose;

[0050] 52, connecting seat;

[0051] 53, needle tube;

[0052] 54, test tube protective sleeve;

[0053] 55, sealing film;

[0054] 56, pull ring. DETAILED DESCRIPTION

[0055] The technical solutions in the embodiments of the present specification will be described clearly and completely in the following with reference to the drawings in the embodiments of the present specification. Obviously, the described embodiments are only some of the embodiments of the present specification, but not all the embodiments. Based on the embodiments in the present specification, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present specification; wherein the keyword "and / or" involved in the present embodiment represents two cases of and or, in other words, A and / or B mentioned in the embodiments of the present specification represents two cases of A and B, A or B, which describes three states of A and B.

[0056] Meanwhile, in the embodiments of the present specification, when one component is considered to be "connected" to another component, it can be directly connected to the other component or a middle component can exist at the same time. When one component is considered to be "provided on" another component, it can be directly provided on the other component or a middle component can exist at the same time.

[0057] The embodiments of the present specification are described below through specific concrete examples, and those skilled in the art can easily understand other advantages and effects of the present specification from the content disclosed in the present specification. The present specification can also be implemented or applied through other different specific embodiments, and each detail in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present specification.

[0058] Embodiment one

[0059] Please refer to Figure 1 , specifically, in the embodiment of the multipurpose blood collection assembly, the multipurpose blood collection assembly provided by the present application specifically includes a syringe 1, a three-way valve 2, a test tube insert 5, a puncture blood collection member 4 and a catheter blood collection member 3, the first connecting end 21 of the three-way valve 2 is detachably connected with the nipple of the syringe 1, the second connecting end 22 of the three-way valve 2 is detachably connected with the catheter blood collection member 3, the catheter blood collection member 3 is detachably connected with the puncture blood collection member 4, the third connecting end 23 of the three-way valve 2 is detachably connected with the test tube insert 5, and the test tube insert 5 is detachably connected with an external test tube.

[0060] Specifically, the utility model discloses a multipurpose blood sampling assembly, including syringe 1, three -way valve 2, test tube insert piece 5, puncture blood sampling piece 4 and indwelling catheter blood sampling piece 3, the first connecting end 21 of three -way valve 2 is detachably connected with the nipple of syringe 1, the second connecting end 22 of three -way valve 2 is detachably connected with indwelling catheter blood sampling piece 3, indwelling catheter blood sampling piece 3 is detachably connected with puncture blood sampling piece 4, the third connecting end 23 of three -way valve 2 is detachably connected with test tube insert piece 5, test tube insert piece 5 is detachably connected with the test tube of outside. The multipurpose blood sampling assembly provided by the embodiment of the application can realize skin puncture blood vessel blood sampling and indwelling catheter end blood sampling, the indwelling catheter can be an indwelling needle, a central venous catheter, a dialysis catheter and an arterial puncture catheter, skin puncture blood vessel blood sampling can be realized through the puncture blood sampling piece 4, indwelling end blood sampling can be realized through the detachable connection of the indwelling catheter blood sampling piece 3 and the indwelling catheter, the blood collection and storage of blood are realized through the second connecting end 22 of three -way valve 2, the first connecting end 21 of three -way valve 2 draws the blood in the front section, the third connecting end 23 is detachably connected with the test tube to collect the blood collected from the second connecting end 22 into the test tube, at this time, the blood collected in the syringe 1 can be re-injected into the human body to reduce iatrogenic blood waste. The communication between every two passages of three -way valve 2 can be realized through the knob of three -way valve 2, and then the corresponding front section blood collection and test blood collection and storage are realized, the repeated disassembly and connection of the catheter in the blood sampling process are avoided, and the convenience and safety of blood sampling are improved.

[0061] In a possible implementation, the indwelling catheter blood sampling piece 3 includes a first hose 31 and a catheter connecting head 32, one end of the first hose 31 is detachably connected with the second connecting end 22 of the three -way valve 2, and the catheter connecting head 32 is fixed to the other end of the first hose 31 and detachably connected with the external indwelling catheter.

[0062] Specifically, a connecting head matched with the second connecting end 22 of the three -way valve 2 can be arranged at one end of the first hose 31, so that the first hose 31 is threadedly connected with the second connecting end 22 of the three -way valve 2 through the connecting head, and the catheter connecting head 32 at the other end of the first hose 31 can be detachably connected with the external indwelling catheter, which can be an indwelling needle, a central venous catheter, a dialysis catheter or an arterial puncture catheter, and the catheter connecting head 32 can be threadedly connected with the external indwelling catheter, so that the indwelling catheter blood sampling piece 3 realizes blood sampling through the indwelling catheter.

[0063] In a possible implementation, the puncture blood sampling member 4 comprises a second hose 41, a needle seat 42 and a puncture needle 43. One end of the second hose 41 is detachably connected with the catheter connector 32. The needle seat 42 has a second liquid guiding passage therein. One end of the needle seat 42 is fixedly connected with the other end of the second hose 41. The puncture needle 43 is fixed to the other end of the needle seat 42. A passage in the puncture needle 43 is in communication with the second liquid guiding passage.

[0064] Specifically, an adapter compatible with the catheter connector 32 can be arranged at one end of the second hose 41 to achieve detachable connection between the second hose 41 and the catheter connector 32. The detachable connection can be screw connection.

[0065] In a possible implementation, the test tube inserting member 5 comprises a third hose 51, a connecting seat 52, a needle tube 53, a test tube protective sleeve 54 and a sealing film 55. One end of the third hose 51 is detachably connected with the third connecting end 23 of the three-way valve 2. The connecting seat 52 has a first liquid guiding passage therein. One end of the connecting seat 52 is fixedly connected with the other end of the third hose 51. One end of the needle tube 53 is fixedly connected with the other end of the connecting seat 52. The needle tube 53 is in communication with the liquid guiding passage. The test tube protective sleeve 54 has a hollow cylindrical structure. A through hole is arranged at one end of the cylindrical structure. The other end of the test tube protective sleeve 54 is open. The test tube protective sleeve 54 is sleeved and fixed on the connecting seat 52 through the through hole. The needle tube 53 is located in the test tube protective sleeve 54. The sealing film 55 is glued at the opening of the test tube protective sleeve 54.

[0066] Specifically, the test tube inserting member 5 is detachably connected with the three-way valve 2 to insert an external test tube through the test tube inserting member 5, so as to achieve blood sampling and storage. The test tube protective sleeve 54 is arranged at the periphery of the needle tube 53. The sealing film 55 is glued at the window of the test tube protective sleeve 54 to seal and protect the needle tube 53 in the test tube protective sleeve 54.

[0067] In a possible implementation, the test tube inserting member 5 further comprises a pull ring 56. The pull ring 56 is arranged on the outer wall of the sealing film 55 to facilitate tearing the sealing film 55 from the test tube protective sleeve 54 by pulling the pull ring 56.

[0068] In a possible implementation, the inner diameter of the test tube protective sleeve 54 is greater than the outer diameter of the test tube. The test tube protective sleeve 54 is made of plastic. The end of the needle tube 53 away from the connecting seat 52 has a puncture tip to pierce the silicone of the test tube.

[0069] Specifically, the inner diameter of the test tube protective sleeve 54 is greater than the outer diameter of the test tube, so that when the needle tube 53 in the test tube protective sleeve 54 is inserted into the test tube after the sealing film 55 is torn by the pull ring 56, the test tube protective sleeve 54 can be sleeved on the periphery of the test tube to protect the end of the test tube and avoid pollution.

[0070] In a possible implementation, the puncture blood sampling member 4 further comprises a rubber needle cap 44 sleeved on the outside of the puncture needle 43 and detachably connected with the needle seat 42, so that the puncture needle 43 is sealed and protected by the rubber needle cap 44, avoiding pollution caused by exposure of the puncture needle 43 to the air.

[0071] In a possible implementation, the first connecting end 21 of the three-way valve 2 is threadedly connected with the nipple of the syringe 1, the second connecting end 22 of the three-way valve 2 is threadedly connected with one end of the first hose 31, the third connecting end 23 of the three-way valve 2 is threadedly connected with one end of the third hose 51, and the catheter connector 32 is threadedly connected with one end of the second hose 41, so as to facilitate disassembly of the three-way valve 2 and the syringe 1 and the hoses, thereby saving the operation time of medical staff and improving the blood sampling efficiency.

[0072] The multipurpose blood sampling needle provided by the application can realize subcutaneous puncture blood sampling and blood sampling through an indwelling catheter:

[0073] When subcutaneous puncture blood sampling is needed, the puncture blood sampling member 4 is connected to the indwelling catheter blood sampling member 3, the indwelling catheter blood sampling member 3 is connected to the three-way valve 2, then the syringe 1 and the test tube insertion member 5 are respectively and sealingly connected to two ends of the three-way valve 2, and the test tube insertion member 5 is inserted into the test tube, at this time, the three-way valve 2 is in a closed state, at this time, the first connecting end 21 and the third connecting end 23 of the three-way valve 2 are communicated, because the test tube has a negative pressure, a corresponding amount of blood can be drawn into the test tube for storage, so as to complete blood collection, at this time, if the front-stage blood in the syringe 1 needs to be re-injected into the human body, the first connecting end 21 and the second connecting end 22 are communicated, so that the blood in the syringe 1 is manually re-injected into the human body;

[0074] When blood needs to be collected through the indwelling catheter, the puncture blood collection member 4 can be detached from the indwelling catheter blood collection member 3, and then the catheter connecting head 32 of the indwelling catheter blood collection member 3 is connected with the indwelling catheter of the patient's body. Since other drug solutions or sealing saline are retained in the blood near the indwelling catheter, the first connecting end 21 and the second connecting end 22 of the three-way valve 2 need to be communicated first, so that the appropriate amount of front blood (because the front blood retains other drug solutions or sealing saline) is extracted through the syringe 1, and then the first connecting end 21 and the third connecting end 23 of the three-way valve 2 are communicated. Since the test tube has a negative pressure, a corresponding amount of blood can be extracted into the test tube for storage to complete the collection of blood. At this time, if the front blood in the syringe 1 needs to be re-injected into the human body, the first connecting end 21 and the second connecting end 22 can be communicated to manually re-inject the blood in the syringe 1 into the human body. The capacity of the syringe of the present application is 10ml, and the side wall of the syringe is provided with a scale mark.

[0075] It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the present specification are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship is also considered as the implementation range of the present application without substantially changing the technical content.

[0076] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the technical solution of the present application, and any simple modification, equivalent change and modification of the above embodiment based on the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A multi-purpose blood collection assembly comprising: The multipurpose blood sampling assembly comprises: a syringe, a three-way valve, a test tube insert, a puncture blood sampling member and a catheter blood sampling member, a first connecting end of the three-way valve is detachably connected with a nipple of the syringe, a second connecting end of the three-way valve is detachably connected with the catheter blood sampling member, the catheter blood sampling member is detachably connected with the puncture blood sampling member, a third connecting end of the three-way valve is detachably connected with the test tube insert, and the test tube insert is detachably connected with an external test tube; the test tube insert comprises a third hose, a connecting seat, a needle tube, a test tube protective sleeve and a sealing film, one end of the third hose is detachably connected with the third connecting end of the three-way valve, the connecting seat has a first liquid guide channel therein, one end of the connecting seat is fixedly connected with the other end of the third hose, one end of the needle tube is fixedly connected with the other end of the connecting seat, and the needle tube is in communication with the liquid guide channel, the test tube protective sleeve has a hollow columnar structure, a through hole is formed in one end of the columnar structure, the other end of the test tube protective sleeve is open, the test tube protective sleeve is sleeved and fixed on the connecting seat through the through hole, and the needle tube is located in the test tube protective sleeve, and the sealing film is glued at the open end of the test tube protective sleeve.

2. The multi-use blood collection assembly of claim 1, wherein, the catheter blood sampling member comprises: a first hose, one end of the first hose is detachably connected with the second connecting end of the three-way valve; a catheter connecting head, the catheter connecting head is fixed on the other end of the first hose, and the catheter connecting head is detachably connected with an external catheter.

3. The multi-use blood collection assembly of claim 2, wherein, the puncture blood sampling member comprises: a second hose, one end of the second hose is detachably connected with the catheter connecting head; a needle seat, the needle seat has a second liquid guide channel therein, one end of the needle seat is fixedly connected with the other end of the second hose; a puncture needle, the puncture needle is fixed on the other end of the needle seat, and a channel in the puncture needle is in communication with the second liquid guide channel.

4. The multi-use blood collection assembly of claim 3, wherein, the test tube insert further comprises: a pull ring, the pull ring is arranged on an outer wall of the sealing film.

5. The multi-use blood collection assembly of claim 4, wherein, an inner diameter of the test tube protective sleeve is greater than an outer diameter of the test tube, and one end of the needle tube away from the connecting seat has a puncture tip.

6. The multi-use blood collection assembly of claim 5, wherein, the puncture blood sampling member further comprises: a rubber needle cap, the rubber needle cap is sleeved on an outer portion of the puncture needle and detachably connected with the needle seat.

7. The multi-use blood collection assembly of claim 6, wherein, the first connecting end of the three-way valve is threadedly connected with the nipple of the syringe, the second connecting end of the three-way valve is threadedly connected with one end of the first hose, the third connecting end of the three-way valve is threadedly connected with one end of the third hose, and the catheter connecting head is threadedly connected with one end of the second hose.

8. The multi-use blood collection assembly of claim 7, wherein, the test tube protective sleeve is made of plastic.

Images