CN217593008U - Indwelling catheter set - Google Patents
Indwelling catheter set Download PDFInfo
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- CN217593008U CN217593008U CN202220338177.2U CN202220338177U CN217593008U CN 217593008 U CN217593008 U CN 217593008U CN 202220338177 U CN202220338177 U CN 202220338177U CN 217593008 U CN217593008 U CN 217593008U
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- connector
- puncture needle
- patient
- steel wire
- indwelling
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Abstract
The utility model provides an indwelling catheter kit, it includes: a puncture needle for puncturing the skin of a patient and entering the body of the patient; the puncture needle comprises a guide steel wire, a puncture needle body and a puncture needle body, wherein an inner hole for accommodating the puncture needle is formed in the guide steel wire and extends along the length direction of the guide steel wire; an indwelling tube body; the puncture needle enters the inner hole from the end part of the guide steel wire and is connected with the guide steel wire, the indwelling tube body is sleeved on the guide steel wire, and the guide steel wire and the indwelling tube body enter the body of a patient along with the puncture needle. Therefore, the three steps of puncturing, guiding and placing the indwelling tube body can be completed through one-time puncturing action, the step is simple, the time occupied in operation or examination is reduced, the pain of a patient is reduced, and the condition that the rescue time is delayed is avoided.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to keep somewhere pipe external member.
Background
The indwelling tube is widely used in operation or examination as a medical instrument, and plays a crucial role in the success of the operation or examination. When a patient needs to administer a drug for a long period of time or to manage a problem, such as drainage of pleural and peritoneal fluid, the patient is conventionally punctured each time a fluid draw is performed, thereby leaving a needle hole in the patient each time. To alleviate the pain of patients, indwelling tubes and kits have been developed. The indwelling tube can be indwelling in the body of the patient after the puncture of the patient, and can be directly operated through the indwelling tube when being used next time.
An indwelling tube kit typically includes a puncture needle, a guide wire and an indwelling tube. However, in the prior art, the indwelling tube is placed in the body of the patient only by inserting the puncture needle into the corresponding portion of the patient, then placing the guide wire through the puncture needle into the portion and withdrawing the puncture needle, then guiding the indwelling tube to the portion through the guide wire, and finally withdrawing the guide wire, and the indwelling tube is placed in the body of the patient only for use.
However, the existing method of placing the indwelling tube into the body of the patient is troublesome for the operator, has more steps, and takes more time in the operation or examination, which not only increases the pain of the patient, but also may delay the precious rescue time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an indwelling catheter assembly in order to overcome the defect of complex operation when indwelling catheter assembly is put into patient in prior art.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
an indwelling tube kit, comprising:
a puncture needle for puncturing the skin of a patient and entering the body of the patient;
the puncture needle comprises a guide steel wire, a puncture needle body and a puncture needle body, wherein an inner hole for accommodating the puncture needle is formed in the guide steel wire and extends along the length direction of the guide steel wire;
an indwelling tube body;
the puncture needle enters the inner hole from the end part of the guide steel wire and is connected with the guide steel wire, the indwelling tube body is sleeved on the guide steel wire, and the guide steel wire and the indwelling tube body enter the body of a patient along with the puncture needle.
In this scheme, through with the guide steel wire, keep somewhere the pipe body and establish and fixed connection on the pjncture needle in proper order, when the pjncture needle puncture and get into patient's is internal, the guide steel wire can together get into patient's is internal along with the pjncture needle with keeping somewhere the pipe body, thereby make the puncture, the guide is kept somewhere the pipe body and is placed and keep somewhere this three step of pipe body and can accomplish through a puncture action, promptly a puncture action just with the pjncture needle, the guide steel wire with keep somewhere the pipe body and send into patient internal, the step is simple while also reduced shared time in operation or inspection, patient's misery has been reduced, the condition of delaying rescue time has also been avoided.
Preferably, the puncture needle and the guide wire and the indwelling tube body are detachably connected.
In the scheme, by adopting the structure, when the puncture needle needs to be used, the connection between the puncture needle and the guide steel wire is released, so that the sharp puncture needle can puncture the body of a patient; when the puncture needle and the guide steel wire are not needed to be used subsequently and the task of guiding the indwelling catheter body is finished, the puncture needle and the guide steel wire can be taken out by a user through the detachable connection, and the indwelling catheter is indwelling in the body of a patient for later use.
Preferably, the puncture needle is provided with a first connector, the guide steel wire is provided with a second connector which can be matched with the first connector, and the puncture needle and the guide steel wire are fixedly connected through the first connector and the second connector.
In this scheme, after the pjncture needle outer wall surface was located to the guide steel wire cover, connect the second connector in first connector to it is internal to realize that the guide steel wire can insert patient with the pjncture needle together, and the operation is also very simple when having reduced the step when the combination, is convenient for study.
Preferably, the indwelling pipe body is provided with a third connector which can be matched with the second connector, and the indwelling pipe body and the guide steel wire are fixedly connected through the second connector and the third connector.
In this scheme, keep somewhere behind the outer wall surface that the pipe body cover located the guide steel wire, the third connector is connected in the second connector to it is internal along with guide steel wire and pjncture needle entering patient altogether to realize keeping somewhere the pipe body, and the operation is also very simple when having reduced the step when the combination, the study of being convenient for.
Preferably, the second connector has a first connection end connected to the first connector and a second connection end connected to the third connector, and the second connector further has a connection seat disposed between the first connection end and the second connection end, and the first connection end and the second connection end extend in opposite directions from two ends of the connection seat, respectively.
In this scheme, because the second connector both need be connected with first connector, need be connected with the third connector again, utilize the both ends of second connector to be used for connecting first connector and second connector respectively for pjncture needle, guide steel wire and the junction of keeping somewhere the pipe body compact structure, do not account for the space, and the operation is got up also simply easy to learn.
Preferably, the end part of the guide steel wire for the puncture needle to enter is provided with an elastic body, and the elastic body is used for plugging or opening the inner hole of the guide steel wire.
In this scheme, switch shutoff or open two states of guide wire through utilizing the elastomer for also guaranteed the security when pjncture needle can insert in the guide wire, and simple structure is convenient for operate.
Preferably, the guide wire has a first end for entering the patient and a second end remote from the first end, the first end having a stiffness less than the stiffness of the second end.
In this scheme, the flexibility of guide wire first end is bigger, this is because the first end of guide wire usually need insert patient's health depths, and bigger flexibility makes the guide wire can not bruise patient's internal organs, and the security is better.
Preferably, the head of the first end is U-shaped.
In this scheme, adopt above-mentioned structural style to keep somewhere the in-process that pipe body and guide wire inserted before continuing, can not injure patient's internal organ, thereby the security is higher.
Preferably, the end of the indwelling tube body which enters the patient has a pointed tip.
In this scheme, adopt above-mentioned structural style for keep somewhere the pipe body when inserting patient internal, can more conveniently insert, on the other hand also makes more accurate, convenient when drawing the body fluid or dosing through keeping somewhere the pipe body.
Preferably, the end part of the indwelling tube body, which extends out of the body of the patient, is provided with a plug, and the plug is used for plugging the tube opening of the indwelling tube body;
and/or the indwelling tube body is provided with a distance mark which is used for displaying the length of the indwelling tube body entering the body of the patient;
and/or, the puncture needle is also connected with a fourth connector, and the fourth connector is used for connecting an injector.
In the scheme, the safety is better by arranging the plug;
through the distance mark, a user can judge the position of the puncture needle inserted into the body and stop the puncture action of the puncture needle in due time, thereby providing convenience for the user, avoiding the situation that the patient organ is damaged due to too deep insertion and improving the safety;
the fourth connector can be used for connecting the syringe to can be through the fourth connector to patient internal administration or the internal hydrops that absorbs out of autologous, simple structure, the operation of being convenient for.
The utility model discloses an actively advance the effect and lie in:
through with the guide steel wire, keep somewhere the pipe body and overlap in proper order and establish and fixed connection on the pjncture needle, when the pjncture needle puncture and get into patient's internal, the guide steel wire can together get into patient's internal along with the pjncture needle with keeping somewhere the pipe body, thereby make the puncture, the guide is kept somewhere the pipe body and is placed and keep somewhere this three step of pipe body and can accomplish through a puncture action, just with the pjncture needle promptly once the puncture action, the guide steel wire is with keeping somewhere the pipe body and send into patient internal, the step is simple while also reduced the shared time in operation or inspection, patient's misery has been reduced, the condition of delaying rescue time has also been avoided.
Drawings
Fig. 1 is an exploded view of an indwelling catheter assembly according to a preferred embodiment of the present invention.
Description of the reference numerals
Indwelling tube set 100
Puncture needle 1
Fourth connecting head 12
Second connection end 212
Connecting socket 213
Indwelling catheter body 3
Third connecting head 31
Detailed Description
The present invention will be more clearly and completely described in the following detailed description of the preferred embodiments in conjunction with the accompanying drawings.
As shown in FIG. 1, the present embodiment discloses an indwelling catheter assembly 100 which includes: the puncture needle 1 is used for puncturing the skin of a patient and entering the body of the patient; the guide wire 2 is internally provided with an inner hole for accommodating the puncture needle 1, and the inner hole extends along the length direction of the guide wire 2; an indwelling tube body 3; the puncture needle 1 enters an inner hole from the end part of the guide steel wire 2 and is connected with the guide steel wire 2, the indwelling tube body 3 is sleeved on the guide steel wire 2, and the guide steel wire 2 and the indwelling tube body 3 enter the body of a patient along with the puncture needle 1.
Through with guide steel wire 2, keep somewhere pipe body 3 cover in proper order and establish and fixed connection on pjncture needle 1, when pjncture needle 1 puncture and get into patient's internal, guide steel wire 2 and keep somewhere pipe body 3 can be along with pjncture needle 1 together get into patient's internal, thereby make the puncture, the guide is kept somewhere pipe body 3 and is placed and keep somewhere these three steps of pipe body 3 and can accomplish through a puncture action, just with pjncture needle 1 promptly once the puncture action, guide steel wire 2 and keep somewhere pipe body 3 and send into patient internal, the step is simple while also reduced the shared time in operation or inspection, patient's misery has been reduced, the condition of delaying rescue time has also been avoided.
In this embodiment, the outer diameter of the puncture needle 1 is not larger than the inner diameter of the inner hole of the guide wire 2, and the inner diameter of the hole of the indwelling tube body 3 is not smaller than the outer diameter of the guide wire 2, so that the insertion is easy and convenient, and the three do not interfere with each other.
During assembly, the puncture needle 1 is inserted into the inner hole of the guide steel wire 2, but the puncture needle does not extend out of the guide steel wire 2, and then the guide steel wire 2 is inserted into the indwelling tube body 3 from the pipe orifice of the indwelling tube body 3, and due to the wrapping of the guide steel wire 2, the tip of the puncture needle 1 does not puncture the inside of the indwelling tube body 3, and finally the guide steel wire 2 is stopped at the tip 32 of the indwelling tube body 3. The assembled indwelling catheter kit 100 may be used during surgery or examination.
The puncture needle 1 and the guide steel wire 2, and the guide steel wire 2 and the indwelling tube body 3 are detachably connected. When the puncture needle is needed to be used, the puncture needle 1 is disconnected from the guide wire 2, and the puncture needle 1 partially protrudes out of the guide wire 2 and the indwelling tube body 3, so that the sharp puncture needle 1 can puncture the body of a patient. When the puncture needle 1 and the guide wire 2 are not needed to be used for guiding the indwelling tube body 3, the detachable connection enables the user to take out the puncture needle 1 and the guide wire 2 and to place the indwelling tube in the body of the patient for later use.
The puncture needle 1 is provided with a first connector 11, the guide steel wire 2 is provided with a second connector 21 matched with the first connector 11, and the puncture needle 1 and the guide steel wire 2 are fixedly connected with the second connector 21 through the first connector 11. Specifically, the one end that carries on the back mutually with the syringe needle of pjncture needle 1 is located to first connector 11, and the one end that guide wire 2 did not insert patient's internal is located to second connector 21, and behind the outer wall of pjncture needle 1 was located to the guide wire 2 cover, connect second connector 21 in first connector 11 to it is internal that guide wire 2 can insert patient with pjncture needle 1 together to realize, and the operation is also very simple when the combination when having simplified the step, the study of being convenient for.
The first connector 11 and the second connector 21 can be connected by a snap-fit manner, that is, the second connector 21 is provided with a snap-fit block, the first connector 11 is provided with a snap-fit groove, or the second connector 21 is provided with a snap-fit groove, the first connector 11 is provided with a snap-fit block, and the guide steel wire 2 and the puncture needle 1 are fixedly connected by the snap-fit block being snapped into the snap-fit groove.
The first connector 11 and the second connector 21 may be connected by a screw, for example, the second connector 21 is provided with a stud, the first connector 11 is provided with a hole having an internal thread capable of correspondingly matching with the stud, or the first connector 11 is provided with a stud, the second connector 21 is provided with a hole having an internal thread capable of correspondingly matching with the stud, so that the guide wire 2 and the puncture needle 1 are fixedly connected.
In other embodiments, the connection manner of the first connector 11 and the second connector 21 may also be a plug connection, a hook connection, or a tenon connection.
The indwelling pipe body 3 is provided with a third connector 31 which can be matched with the second connector 21, and the indwelling pipe body 3 and the guide steel wire 2 are fixedly connected with the third connector 31 through the second connector 21. Specifically, the third connector 31 is disposed at one end of the indwelling tube body 3 which is not inserted into the patient, and after the indwelling tube body 3 is sleeved on the outer wall surface of the guide wire 2, the third connector 31 is connected to the second connector 21, so that the indwelling tube body 3 can enter the patient along with the guide wire 2 and the puncture needle 1, and the steps are simplified, and the operation is simple and the study is convenient.
The second connector 21 can be connected with the third connector 31 through the mode of buckle, set up the buckle piece at the third connector 31 promptly, set up the buckle groove at the second connector 21, or set up the buckle groove at the second connector 21, the third connector 31 sets up the buckle piece, will guide steel wire 2 and keep somewhere pipe body 3 fixed connection through the mode of blocking the buckle piece in the buckle groove.
The second connector 21 and the third connector 31 may be connected by a screw thread, for example, a stud is disposed on the third connector 31, a hole with an internal thread capable of correspondingly matching with the stud is disposed on the second connector 21, or a stud is disposed on the second connector 21, and a hole with an internal thread capable of correspondingly matching with the stud is disposed on the third connector 31, so as to fixedly connect the guide steel wire 2 and the indwelling tube body 3.
In other embodiments, the connection manner of the second connector 21 and the third connector 31 may also be a plug, a hook, or a tenon.
The second connecting head 21 has a first connecting end 211 connected to the first connecting head 11 and a second connecting end 212 connected to the third connecting head 31, the second connecting head 21 further has a connecting seat 213 disposed between the first connecting end 211 and the second connecting end 212, and the first connecting end 211 and the second connecting end 212 respectively extend from two ends of the connecting seat 213 in opposite directions. Since the second connector 21 needs to be connected to both the first connector 11 and the third connector 31, the two ends of the second connector 21 are respectively used for connecting the first connector 11 and the second connector 21, so that the structure is compact.
In this embodiment, the first connecting end 211 for connecting the first connector 11 is located at one end of the connecting seat 213 far away from the guide steel wire 2, and the second connecting end 212 for connecting the third connector 31 is located at one end of the connecting seat 213 near the guide steel wire 2, so that after the guide steel wire 2 is sleeved on the puncture needle 1 and the indwelling tube body 3 is sleeved on the guide steel wire 2, the first connector 11, the second connector 21 and the third connector 31 can be sequentially connected, so that the joint of the puncture needle 1, the guide steel wire 2 and the indwelling tube body 3 is compact in structure, does not occupy space, and is simple and easy to learn in operation.
The end part of the guide wire 2, into which the puncture needle 1 enters, is provided with an elastic body which is used for plugging or opening the inner hole of the guide wire 2. Specifically, when the puncture needle 1 needs to be inserted, the elastic body can be adjusted to open the inner hole of the guide steel wire 2 for the puncture needle 1 to be inserted, and due to the elastic characteristic, the elastic body can wrap the outer wall of the puncture needle 1 to block the inner hole again after the puncture needle 1 is inserted; after the puncture needle 1 is pulled out, the inner hole can be blocked by the elastic body, so that gas is prevented from entering the inner hole when the puncture needle 1 is pulled out, the safety is ensured when the puncture needle 1 can be inserted into the guide steel wire 2, and the puncture needle is simple in structure and convenient to operate. And the puncture needle 1 is inserted and then pulled out, and the elastic body can automatically seal the inner hole of the guide steel wire 2. In this embodiment, the elastomer is rubber.
The guide wire 2 has a first end 23 for entering the patient and a second end 24 remote from the first end 23, the first end 23 being less rigid than the second end 24. Specifically, the guide wire 2 is entirely flexible, so that it is easier and more convenient when the puncture needle 1 is inserted into the guide wire 2, and the flexible guide wire 2 is more suitable for entering the body of the patient, so that the pain of the patient can be reduced. Wherein the first end 23 of the guide wire 2 is more flexible, since the first end 23 of the guide wire 2 usually needs to be inserted deep into the body of the patient, the more flexible being such that the guide wire 2 does not hit the internal organs of the patient.
The head of the first end 23 is U-shaped. Specifically, due to the flexible characteristic of the guide wire 2, when the puncture needle 1 is inserted into the guide wire 2, the head of the U shape is in a linear state along with the shape of the puncture needle 1, and after the puncture needle 1 is taken out, the head of the guide wire 2 recovers to the U shape, so that the internal organs of the patient are not injured in the process of continuously inserting the indwelling tube body 3 and the guide wire 2, and the safety is higher.
The end of the indwelling tube body 3 that enters the patient has a pointed tip 32. The end part of the indwelling tube body 3 is provided with the sharp head 32, so that the indwelling tube body 3 can be inserted more conveniently when being inserted into a patient; on the other hand, the tip 32 also makes it more accurate and convenient when drawing a body fluid or administering a drug through the indwelling tube body 3. In this embodiment, the tip 32 is of a truncated cone shape so as not to damage the internal organs of the patient.
The end part of the indwelling tube body 3 extending out of the body of the patient is provided with a plug which is used for plugging the tube opening of the indwelling tube body 3. Specifically, the plug is arranged on the third connector 31, and the indwelling pipe body 3 is plugged by the plug, so that gas is prevented from entering, and the safety is improved; when the body fluid needs to be extracted or the drug needs to be administered through the indwelling tube body 3, the plug can be opened, and the third connector 31 can be connected with a syringe or a drainage device.
The indwelling tube body 3 is provided with a distance mark for displaying the length of the indwelling tube body 3 entering the body of the patient. Specifically, the distance mark is disposed on the outer surface of the indwelling tube body 3, and the distance mark may be a scale line and a corresponding scale value, or may be other marks capable of indicating the distance. The distance mark in this embodiment indicates the distance from the indwelling tube body 3 to the head. Through the distance mark, a user can judge the position of the puncture needle 1 inserted into the body, and timely stop the puncture action of the puncture needle 1, so that convenience is provided for the user, the condition that the organ of the patient is damaged due to too deep insertion is avoided, and the safety is improved.
The puncture needle 1 is also connected with a fourth connector 12, and the fourth connector 12 is used for connecting a syringe. Specifically, the fourth connector 12 is connected to the end of the puncture needle 1 and is communicated with the needle hole of the puncture needle 1, and the fourth connector 12 can be used for connecting an injector, so that the fourth connector 12 can be used for feeding medicine into the body of a patient or sucking accumulated liquid out of the body of the patient, and the puncture needle is simple in structure and convenient to operate. The connection mode of the fourth connector 12 and the injector can be insertion, screw connection, clamping, hooking, or joggling.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. An indwelling catheter kit, comprising:
a puncture needle for puncturing the skin of a patient and entering the body of the patient;
the puncture needle comprises a guide steel wire, a puncture needle body and a puncture needle body, wherein an inner hole for accommodating the puncture needle is formed in the guide steel wire and extends along the length direction of the guide steel wire;
an indwelling tube body;
the puncture needle enters the inner hole from the end part of the guide steel wire and is connected with the guide steel wire, the indwelling tube body is sleeved on the guide steel wire, and the guide steel wire and the indwelling tube body enter the body of a patient along with the puncture needle.
2. The indwelling catheter assembly according to claim 1, wherein the puncture needle and the guide wire, and the guide wire and the indwelling catheter body are detachably connected.
3. The indwelling catheter assembly according to claim 1, wherein the puncture needle is provided with a first connector, the guide wire is provided with a second connector which can be fitted with the first connector, and the puncture needle and the guide wire are fixedly connected with the second connector through the first connector.
4. The indwelling catheter assembly according to claim 3, wherein the indwelling catheter body is provided with a third connector which can mate with the second connector, the indwelling catheter body and the guide wire being fixedly connected to the third connector via the second connector.
5. The indwelling catheter kit of claim 4, wherein the second connector has a first connection end connected to the first connector and a second connection end connected to the third connector, the second connector further having a connection socket disposed between the first connection end and the second connection end, the first connection end and the second connection end extending in opposite directions from the respective ends of the connection socket.
6. The indwelling tube kit of claim 1, wherein the end of the guide wire into which the puncture needle enters is provided with an elastomer for plugging or opening the internal bore of the guide wire.
7. The indwelling tube kit of claim 1, wherein the guide wire has a first end for entry into the patient and a second end remote from the first end, the first end having a stiffness less than the stiffness of the second end.
8. The indwelling tube kit of claim 7, wherein the head of the first end is U-shaped.
9. The indwelling tube kit of claim 1, wherein the end of the indwelling tube body that enters the patient has a pointed tip.
10. The indwelling tube kit according to claim 1, wherein the end of the indwelling tube body which protrudes from the patient's body is provided with a plug for plugging the orifice of the indwelling tube body;
and/or the indwelling tube body is provided with a distance mark which is used for displaying the length of the indwelling tube body entering the body of the patient;
and/or the puncture needle is also connected with a fourth connector, and the fourth connector is used for connecting an injector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220338177.2U CN217593008U (en) | 2022-02-14 | 2022-02-14 | Indwelling catheter set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220338177.2U CN217593008U (en) | 2022-02-14 | 2022-02-14 | Indwelling catheter set |
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| Publication Number | Publication Date |
|---|---|
| CN217593008U true CN217593008U (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220338177.2U Active CN217593008U (en) | 2022-02-14 | 2022-02-14 | Indwelling catheter set |
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| Country | Link |
|---|---|
| CN (1) | CN217593008U (en) |
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2022
- 2022-02-14 CN CN202220338177.2U patent/CN217593008U/en active Active
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