CN215458051U - Multifunctional blood taking needle - Google Patents
Multifunctional blood taking needle Download PDFInfo
- Publication number
- CN215458051U CN215458051U CN202122098554.8U CN202122098554U CN215458051U CN 215458051 U CN215458051 U CN 215458051U CN 202122098554 U CN202122098554 U CN 202122098554U CN 215458051 U CN215458051 U CN 215458051U
- Authority
- CN
- China
- Prior art keywords
- holding sleeve
- needle holding
- needle
- connecting seat
- blood
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000008280 blood Substances 0.000 title claims abstract description 71
- 210000004369 blood Anatomy 0.000 title claims abstract description 71
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 2
- 238000010241 blood sampling Methods 0.000 abstract description 10
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000009640 blood culture Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a multifunctional blood taking needle which comprises a connecting seat, and a puncture needle and a blood taking needle which are communicated and arranged on two sides of the connecting seat, wherein a needle holding sleeve assembly used for coating the blood taking needle on the inner side is arranged on the connecting seat, the needle holding sleeve assembly comprises an inner needle holding sleeve and an outer needle holding sleeve sleeved on the outer side of the inner needle holding sleeve, the inner needle holding sleeve and the outer needle holding sleeve are detachably connected with the connecting seat, and a supporting structure is arranged on the outer side of the inner needle holding sleeve and matched with the inner side of the outer needle holding sleeve. By adopting the double-layer needle holding sleeve assembly, the utility model realizes that two different blood sampling operations are finished by one puncture, can ensure that the blood sampling needle is in a good control state in two different blood sampling operations, ensures the safety of medical personnel, avoids the situations of blood overflow and blood pollution, and has strong practicability.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a multifunctional blood taking needle.
Background
A blood taking needle is a very common blood taking tool, the existing blood taking needle mainly comprises a puncture needle 1-1, a connecting seat 1-2, a blood taking needle 1-3 and a needle holding sleeve 1-4, wherein the puncture needle 1-1 and the blood taking needle 1-3 are respectively and fixedly arranged at two sides of the connecting seat 1-2 and are communicated with each other, a rubber sleeve 1-5 is arranged on the blood taking needle 1-3, the needle holding sleeve 1-4 covers the blood taking needle 1-3 at the inner side, when in use, a negative pressure blood taking bottle is inserted into the needle holding sleeve 1-4, the blood taking needle 1-3 sequentially punctures the rubber sleeve 1-5 and a bottle cap of the negative pressure blood taking bottle to be communicated with the inside of the negative pressure blood taking bottle, blood is sucked into the negative pressure blood taking bottle under the action of negative pressure, the blood taking process is completed, and the needle holding sleeve can play a supporting role in the process, the blood taking needle is convenient to take, and the inner diameter of the blood taking needle is slightly larger than that of the negative pressure blood taking bottle, so that the blood taking needle can play a certain role in preventing blood from overflowing.
In clinic, some patients who generate heat not only need to draw blood routinely, still need to carry out blood culture, and this just needs to use the blood culture bottle, and the blood culture bottle also has the negative pressure, but because its size is greater than the needle-holding cover of conventional blood taking needle, so can't utilize the blood sampling work of current blood taking needle normally completion blood culture bottle, in order to solve this problem, adopt two methods usually: 1. the needle holding sleeve is directly dismounted to take blood from the blood culture bottle and the subsequent negative pressure blood taking bottle, and the mode has great potential safety hazard and is easy to stab medical personnel; 2. utilize solitary needle to come the blood culture bottle for patient and draw blood, owing to carry out after the blood culture bottle blood sampling, still need carry out conventional blood sampling work, so can cause puncture many times to patient, increase patient's discomfort, the condition that the sample pollutes still appears easily simultaneously, so need to develop one kind under the prerequisite of single puncture, the instrument that the different blood sampling needs of completion that can be safe.
SUMMERY OF THE UTILITY MODEL
The utility model aims to avoid the defects in the prior art and provide a multifunctional blood taking needle, thereby effectively solving the defects in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a multifunctional blood taking needle, includes that connecting seat and intercommunication set up pjncture needle and the blood taking needle in the connecting seat both sides, be provided with on the connecting seat be used for with the needle holder subassembly in the inboard of blood taking needle cladding, hold needle holder subassembly including interior needle holder and the suit hold the needle cover outward in the needle cover outside, interior needle holder and hold needle cover outward all with connecting seat detachable connects, and the outside cooperation of interior needle holder holds the needle cover outward the inboard of needle cover and is provided with bearing structure.
Further, the inner needle holding sleeve and the outer needle holding sleeve are connected with the connecting seat through thread structures.
Furthermore, the end parts of the inner needle holding sleeve and the outer needle holding sleeve are respectively provided with a first internal thread and a second internal thread, and the connecting seat is respectively matched with the first internal thread and the second internal thread to be provided with a first external thread column and a second external thread column.
Further, the end of the inner needle holding sleeve 5 abuts against the side of the second external thread column.
Furthermore, the end part of the connecting seat matched with the external needle holding sleeve is provided with a limiting edge body.
Further, the outer diameter of the end part of the inner needle holding sleeve is smaller than that of the end part of the outer needle holding sleeve.
Furthermore, the inner needle holding sleeve protrudes out of the outer needle holding sleeve at one end far away from the puncture needle.
Furthermore, the outer needle holding sleeve and the inner needle holding sleeve are respectively provided with a first reinforcing ring edge and a second reinforcing ring edge at the outer side of one end far away from the puncture needle.
Furthermore, the supporting structure comprises a plurality of supporting ribs arranged along the circumferential direction of the inner needle holding sleeve, and the supporting ribs are attached to the inner wall of the outer needle holding sleeve.
Further, the supporting ribs are in line contact with the outer needle holding sleeve.
The technical scheme of the utility model has the following beneficial effects: by adopting the double-layer needle holding sleeve assembly, the utility model realizes that two different blood sampling operations are finished by one puncture, can ensure that the blood sampling needle is in a good control state in two different blood sampling operations, ensures the safety of medical personnel, avoids the situations of blood overflow and blood pollution, and has strong practicability.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
FIG. 4 is a diagram illustrating a first usage state of the present invention;
FIG. 5 is a diagram of a second use state of the present invention;
fig. 6 is a third state diagram of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, the multifunctional blood taking needle of the present embodiment comprises a connecting base 1, and a puncture needle 2 and a blood taking needle 3 which are communicated with each other and disposed at two sides of the connecting base 1, wherein a needle holder assembly for covering the blood taking needle 3 inside is disposed on the connecting base 1, the needle holder assembly comprises an inner needle holder 4 and an outer needle holder 5 which is sleeved outside the inner needle holder 4, wherein the inner diameter of the inner needle holding sleeve 4 is slightly larger than the outer diameter of the negative pressure blood collection bottle, the inner diameter of the outer needle holding sleeve 5 is slightly larger than the outer diameter of the blood culture bottle, the inner needle holding sleeve 4 and the outer needle holding sleeve 5 are both detachably connected with the connecting seat 1, a supporting structure is arranged on the outer side of the inner needle holding sleeve 4 in a way of being matched with the inner side of the outer needle holding sleeve 5, and as the sizes of the inner needle holding sleeve 4 and the outer needle holding sleeve 5 have certain difference, therefore, the supporting structure can be arranged to support the needle holder assembly, and the needle holder assembly is prevented from shaking during operation.
The end of the inner needle holding sleeve 5 is abutted against the side face of the second external thread column 102, and the connecting seat 1 is provided with a limiting edge body 103 matched with the end of the outer needle holding sleeve 5, so that the inner needle holding sleeve 4 and the outer needle holding sleeve 5 are respectively limited, and the mounting stability is ensured.
The outer diameter of the end part of the inner needle holding sleeve 4 is smaller than that of the end part of the outer needle holding sleeve 5, so that mutual influence caused by the installation of the inner needle holding sleeve and the outer needle holding sleeve is avoided.
The inner needle holding sleeve 4 protrudes out of the outer needle holding sleeve 5 at one end far away from the puncture needle 2, and the structure is convenient for installation of the inner needle holding sleeve 4 on the premise that the outer needle holding sleeve 5 is installed.
The inner needle holding sleeve 4 and the outer needle holding sleeve 5 are respectively provided with a first reinforcing ring edge 401 and a second reinforcing ring edge 501 at the outer side of one end far away from the puncture needle 2.
The supporting structure includes a plurality of support arriss 402 that set up along the circumference of interior needle cover 4 of holding, support arris 402 and the laminating setting of the inner wall of holding needle cover 5 outward, support arris 402 with hold needle cover 5 outward for line contact, in this embodiment, the surface of supporting arris 402 is the cambered surface, the great diameter that is less than of this cambered surface holds the diameter of needle cover 5 inner wall outward, so can be so that support arris 402 and hold needle cover 5 the cooperation of approximate line contact appears, when holding needle cover 4 in the installation like this, can be great reduce its and hold the frictional force between the needle cover 5 outward, make the dismouting more convenient.
The outside of blood taking needle 3 is provided with rubber sleeve 6, can realize the closure to blood taking needle 3.
The utility model has different using modes according to the actual needs:
when a patient needs to perform blood culture, as shown in fig. 4, the internal needle-holding sleeve 4 is detached, the inner diameter of the external needle-holding sleeve 5 is matched with the outer diameter of the blood culture bottle 7, after the venipuncture is completed, the external needle-holding sleeve 5 is held by one hand, the blood culture bottle 7 is inserted into the external needle-holding sleeve 5 by the other hand, the blood taking needle 3 punctures the blood culture bottle 7, the negative pressure blood collection is realized, and the external needle-holding sleeve completes the functions of supporting and preventing blood overflow in the blood collection process; after the blood collection of the blood culture bottle 7 is finished, as shown in fig. 5, the internal needle holding sleeve 4 is mounted, and then the blood collection is finished by using the negative pressure blood collection bottle 8 through similar operation, so that two different blood collection operations are finished by one puncture, and the blood collection needle can be ensured to be in a good control state in two different blood collection operations, thereby ensuring the safety of medical personnel and avoiding the situations of blood overflow and blood pollution;
when the patient only needs to take regular blood, as shown in fig. 6, only the inner needle-holding sleeve 4 used with the vacuum blood collection bottle 8 can be installed.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a multifunctional blood taking needle, includes that connecting seat and intercommunication set up pjncture needle and the blood taking needle in the connecting seat both sides, be provided with on the connecting seat be used for with the needle cover subassembly is held in inboard to the blood taking needle cladding, its characterized in that: the needle holding sleeve assembly comprises an inner needle holding sleeve and an outer needle holding sleeve sleeved on the outer side of the inner needle holding sleeve, the inner needle holding sleeve and the outer needle holding sleeve are detachably connected with the connecting seat, and a supporting structure is arranged on the outer side of the inner needle holding sleeve and matched with the inner side of the outer needle holding sleeve.
2. A multifunctional blood lancet according to claim 1, characterized in that: the inner needle holding sleeve and the outer needle holding sleeve are connected with the connecting seat through thread structures.
3. A multifunctional blood lancet according to claim 2, characterized in that: the end parts of the inner needle holding sleeve and the outer needle holding sleeve are respectively provided with a first internal thread and a second internal thread, and the connecting seat is respectively provided with a first external threaded column and a second external threaded column by matching the first internal thread and the second internal thread.
4. A multifunctional blood lancet according to claim 3, characterized in that: the end of the inner needle holding sleeve 5 abuts against the side of the second externally threaded post.
5. A multifunctional blood lancet according to claim 3, characterized in that: the end part of the connecting seat matched with the external needle holding sleeve is provided with a limiting edge body.
6. A multifunctional blood lancet according to claim 3, characterized in that: the outer diameter of the end part of the inner needle holding sleeve is smaller than that of the end part of the outer needle holding sleeve.
7. A multifunctional blood lancet according to claim 1, characterized in that: the inner needle holding sleeve is arranged at one end far away from the puncture needle and protrudes out of the outer needle holding sleeve.
8. A multifunctional blood lancet according to claim 1, characterized in that: the outer side of one end of the inner needle holding sleeve and the outer needle holding sleeve, which is far away from the puncture needle, are respectively provided with a first reinforcing ring edge and a second reinforcing ring edge.
9. A multifunctional blood lancet according to claim 1, characterized in that: the supporting structure comprises a plurality of supporting ribs arranged along the circumferential direction of the inner needle holding sleeve, and the supporting ribs are attached to the inner wall of the outer needle holding sleeve.
10. A multifunctional blood lancet according to claim 9, characterized in that: the supporting ribs are in line contact with the outer needle holding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122098554.8U CN215458051U (en) | 2021-09-01 | 2021-09-01 | Multifunctional blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122098554.8U CN215458051U (en) | 2021-09-01 | 2021-09-01 | Multifunctional blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215458051U true CN215458051U (en) | 2022-01-11 |
Family
ID=79767057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122098554.8U Expired - Fee Related CN215458051U (en) | 2021-09-01 | 2021-09-01 | Multifunctional blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215458051U (en) |
-
2021
- 2021-09-01 CN CN202122098554.8U patent/CN215458051U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |