CN215460853U - Central venous catheter set - Google Patents

Abstract

The utility model relates to a central venous catheter suit relates to medical instrument's technical field, and it includes mainstream pipe and a plurality of transfer line, the one end of mainstream pipe is fixed with the connector, the transfer line is fixed in the connector, transfer line and mainstream pipe intercommunication, be provided with the test passage on the connector, test passage and mainstream pipe intercommunication, be provided with the optical fiber detection head in the test passage, be connected with the optic fibre wire on the optical fiber detection head, the one end that the optical fiber detection head was kept away from to the optic fibre wire sets up the serial ports joint who is used for connecting the blood phase analysis appearance. The application has the effect of improving the use convenience of the central venous catheter.

Description

Central venous catheter set

Technical Field

The application relates to the technical field of medical equipment, in particular to a central venous catheter set.

Background

The infusion is a large dose of injection liquid which is infused into a human body through intravenous drip, the infusion apparatus is used for adjusting the dripping speed, and the injection liquid is infused into the veins of the human body through the output end of the catheter connected with the infusion apparatus so as to supplement body fluid and electrolyte or provide nutrient substances.

The catheter for transfusion is usually matched with various medical tools for use, and related technologies comprise a central venous catheter set full-package set which comprises a central venous catheter set, a guide wire, an expander, a guide needle, a heparin cap for transfusion and a sterile plastic handle scalpel, namely, a non-absorbent surgical suture, disposable sterile rubber surgical gloves, a sterilizing brush, a self-adhesive wound protective plaster, a degreasing gauze block, a medical cotton ball, a disposable hole towel, a disposable medical sheet, a butterfly clamp, a disposable sterile injector, a disposable sterile injection needle and a movable catheter clamp.

The related technology is seen in Chinese utility model patent with application number 201820123917.4, which discloses a central venous catheter, comprising a fixed cushion, an outer tube body, a clip and a joint; the outer pipe body is connected between the fixing pad and the joint; the clamp is arranged on the outer tube body, and the outer tube body is transparent; the outer pipe body is further sleeved with a telescopic corrugated pipe; the first end of the corrugated pipe is connected to the fixing cushion, and the second end of the corrugated pipe is connected to the joint, so that the corrugated pipe can completely cover the outer pipe body; at least one of the connection between the first end of the corrugated pipe and the fixing pad and the connection between the second end of the corrugated pipe and the joint is detachably connected, so that at least one end of the corrugated pipe can be disconnected, and the outer pipe body is exposed after the corrugated pipe is contracted.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the examination of need phlebotomizing, the transfer line of external connection need be taken off, and follow infusion tube and draw blood and detect, connect the transfer line after the completion of drawing blood again, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience of use of central venous catheters, the application provides a central venous catheter kit.

The central venous catheter suit provided by the application adopts the following technical scheme:

the utility model provides a central venous catheter suit, includes mainstream pipe and a plurality of transfer line, the one end of mainstream pipe is fixed with the connector, the transfer line is fixed in the connector, transfer line and mainstream pipe intercommunication, be provided with the test channel on the connector, test channel and mainstream pipe intercommunication, be provided with the optic fibre detecting head in the test channel, be connected with the optic fibre wire on the optic fibre detecting head, the one end setting that the optic fibre wire kept away from the optic fibre detecting head is used for connecting the serial ports joint of blood phase analysis appearance.

Through adopting above-mentioned technical scheme, medical staff can be through at the installation optic fibre detecting head of testing channel, and the direct blood phase analysis that carries out to patient's blood of cooperation blood phase analysis appearance to the use convenience of central venous catheter suit has been improved.

Optionally, be provided with the installation pipe on the optical fiber detection head, the optical fiber detection head is located to the installation pipe box outside, the one end screw thread that serial ports connects was kept away from to the installation pipe is fixed in the inner wall of test passage, the outer wall of connector is stretched out to the one end that the mounting pipe kept away from the helicitic texture.

Through adopting above-mentioned technical scheme, the one end that the installation pipe stretches out the connector outer wall is convenient for medical staff's staff to grip, is convenient for twist of installation pipe and moves to improve the use convenience of installation pipe.

Optionally, the outer wall of the optical fiber probe is provided with an elastic limit ring, the limit ring is abutted against one end of the installation pipe away from the serial port connector, the outer wall of the installation pipe is of a stepped structure, one end of the installation pipe provided with threads is a small end, and the outer wall of the installation pipe provided with one end of the threads is provided with an elastic sealing ring.

Through adopting above-mentioned technical scheme, after the installation pipe was fixed in the test passage, the sealing ring butt was in the connection gap of test passage and installation pipe non-threaded end, and the spacing ring butt is close to the one end of mainstream pipe in test passage, and sealing ring cooperation spacing ring has reduced the probability that the liquid in transfer line and the mainstream pipe flows from the connection gap of test passage and installation pipe.

Optionally, the one end that the mainstream pipe is close to the connector is provided with surveys the cavity, the mainstream pipe surveys the cavity and is transparent structure, the tip of optical fiber detection head stretches into in surveying the cavity, just the tip of optical fiber detection head does not contact with the inner wall of surveying the cavity.

Through adopting above-mentioned technical scheme, patient's blood flows back to surveying the cavity through the mainstream pipe, carries out the blood phase analysis to blood through the optic fibre detecting head, because the optic fibre detecting head does not contact with the inner wall of surveying the cavity, and the optic fibre detecting head can submerge in blood to the result of use of optic fibre detecting head has been improved.

Optionally, the central venous catheter set further includes a protective plug, and the outer wall of the protective plug is provided with a thread adapted to the inner wall of the detection channel.

By adopting the technical scheme, when the detection channel is not required to be used, the protection plug can be used for plugging the detection channel, so that the use convenience of the detection channel is improved.

Optionally, an ear plate is arranged on the protective plug, a connecting band is fixed on the ear plate, and one end of the connecting band far away from the ear plate is fixed on the side wall of the connector.

Through adopting above-mentioned technical scheme, the connecting band can reduce the probability that the protection stopper drops and loses.

Optionally, the outer wall of the main flow pipe is fixed with a fixing sticker.

Through adopting above-mentioned technical scheme, can use fixed subsides to adhere in patient's skin surface, when medical staff operated the connector, be difficult for keeping away from the mainstream pipe pulling of connector one side to fixed subsides to reduce the probability that causes the injury to the patient.

Optionally, the infusion tube and the main flow tube are both provided with flow stopping clamping plates.

Through adopting above-mentioned technical scheme, can use and end the splint and carry out the centre gripping to main flow pipe or transfer line for thereby the inner wall of main flow pipe or transfer line installation end flow splint department hugs closely and reaches the choked flow effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. medical staff can directly carry out blood phase analysis on the blood of a patient by installing the optical fiber probe on the detection channel and matching with a blood phase analyzer, so that the use convenience of the central venous catheter set is improved;

2. after the installation pipe is fixed in the test passage, the sealing ring butt is in the joint gap of test passage and installation pipe non-threaded end, and the spacing ring butt is close to the one end of mainstream pipe in the test passage, and sealing ring cooperation spacing ring has reduced the probability that the liquid in transfer line and the mainstream pipe flows from the joint gap of test passage and installation pipe.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a cross-sectional view taken along the plane a-a in fig. 1.

Description of reference numerals: 1. a main flow pipe; 11. a detection chamber; 12. fixing and sticking; 2. a transfusion tube; 3. a connector; 4. an optical fiber probe; 41. installing a pipe; 411. a seal ring; 42. an optical fiber wire; 43. a serial port connector; 44. a limiting ring; 5. a protective plug; 51. an ear plate; 52. a connecting belt; 6. a flow stopping splint.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a central venous catheter set. Referring to fig. 1, a central venous catheter suit includes mainstream pipe 1 and two transfer lines 2, and the one end of mainstream pipe 1 is provided with connector 3, and two transfer lines 2 say and communicate with mainstream pipe 1 through connector 3, are provided with the test passage on the connector 3, are provided with the optic fibre detecting head 4 that is used for blood to detect in the test passage.

Referring to fig. 1 and 2, the detection channel is located between two infusion tubes 2, the interior of the main flow tube 1 of the detection channel is communicated, the optical fiber probe 4 is in a columnar structure, an optical fiber lead 42 is fixedly arranged at one end of the optical fiber probe 4 in a penetrating manner, a serial port connector 43 is arranged at one end, away from the optical fiber probe 4, of the optical fiber lead 42, and the serial port connector 43 is used for connecting a blood phase analyzer; the optical fiber probe 4 is sleeved with a mounting tube 41, the optical fiber probe 4 is fixedly inserted into the mounting tube 41, and one end, far away from the serial port connector 43, of the optical fiber probe 4 extends out of the mounting tube 41, so that the part, extending out of the mounting tube 41, of the optical fiber probe 4 extends into the main flow tube 1; the outer wall of installation pipe 41 is stair structure, and the one end that installation pipe 41 is close to and sees serial port joint 43 is stair structure's main aspects, and the outer wall of the tip of installation pipe 41 is provided with helicitic texture, and the tip of installation pipe 41 is threaded connection with the inner wall of test passage, and the one end of keeping away from the screw thread on the installation pipe 41 stretches out connector 3.

When the optical fiber detector is used, the part of the installation tube 41 extending out of the connector 3 is convenient for medical staff to hold the connector 3, the hand force of the medical staff is convenient, the optical fiber detector head 4 is easier to install on the connector 3, and therefore the installation convenience of the optical fiber detector head 4 is improved.

In order to improve the use effect of the installation pipe 41, a sealing ring 411 is arranged at the connection part of the threaded section and the non-threaded section of the installation pipe 41, and the sealing ring 411 is made of an elastic material, such as: the sealing ring 411 is of an annular structure and is sleeved on the threaded section of the mounting pipe 41; a limiting ring 44 is arranged at one end of the mounting tube 41 far away from the serial port connector 43, the limiting ring 44 is also made of elastic materials, the limiting ring 44 is of an annular structure and is arranged around the outer wall of the optical fiber probe 4, and the limiting ring 44 is integrally formed by the outer wall of the optical fiber probe 4; during the use, a torus of sealing ring 411 butt in the non-screw section of installation pipe 41 is close to the one side of the screw section of installation pipe 41, the other end butt of sealing ring 411 is kept away from the opening border of mainstream pipe 1 in the detection channel, a torus butt of spacing ring 44 is kept away from the one end of serial ports joint 43 in installation pipe 41, the border that the detection channel is close to the one end of mainstream pipe 1 extends towards the central axis of detection channel and forms spacing portion, another torus butt in the spacing portion of detection channel of spacing ring 44.

After the installation of the installation pipe 41 is finished, the limiting ring 44 is matched with the sealing ring 411 to improve the connection sealing property between the detection channel and the installation pipe 41, so that the probability of liquid leakage inside the main flow pipe 1 is reduced.

Referring to fig. 1 and 2, in order to improve the use effect of the optical fiber probe 4, the side wall of one end of the main flow pipe 1 close to the connector 3 is expanded outwards away from the central axis of the main flow pipe 1 to form a detection chamber 11, the part of the optical fiber probe 4 extending into the main flow pipe 1 is located in the detection chamber 11, and the optical fiber probe 4 is not in contact with the inner wall of the detection chamber 11; during the use, patient's blood flows back to surveying cavity 11 through mainstream pipe 1, carries out the blood phase analysis to blood through optical fiber detecting head 4, simultaneously because optical fiber detecting head 4 not with the inner wall contact of surveying cavity 11, optical fiber detecting head 4 can submerge in blood to the result of use of optical fiber detecting head 4 has been improved.

In order to improve the using effect of the central venous catheter suit, the central venous catheter suit also comprises a protective plug 5, the protective plug 5 is in a columnar structure, and the outer wall of the protective plug 5 is provided with a thread matched with the thread structure in the detection channel; one end of the protective plug 5 is provided with a plugging part which is matched with a through hole at one end of the detection channel close to the main flow pipe 1; one end, far away from the plugging part, of the protection plug 5 is provided with a butt plate, the butt plate is of a ring plate structure and is arranged with the protection plug 5 in the same central axis, the butt plate is made of elastic materials and is fixedly bonded to the outer wall of the protection plug 5, and one end, far away from the plugging part, of the protection plug 5 extends out of one plate surface, far away from the plugging part of the protection plug 5, of the butt plate; an ear plate 51 is arranged at one end of the protective plug 5 extending out of the abutting plate, the ear plate 51 and the protective plug 5 are integrally formed, and the central axis of the protective plug 5 is parallel to the plate surface of the ear plate 51; the lateral wall of connector 3 is provided with two fixed orificess, and the fixed orifices is used for being fixed in patient's on one's body connector 3, reduces the probability that connector 3 swayed, is provided with connecting band 52 on the otic placode 51, and the one end bonding of connecting band 52 is fixed in otic placode 51, and the one end bonding that the otic placode 51 was kept away from to connecting band 52 is fixed in the outer wall of connector 3.

During the use, after optical fiber detection head 4 surveyed and finishes, can take off installation pipe 41 from connector 3, install protection stopper 5 in the testing channel again to improve the use convenience of central venous catheter suit, on being fixed in connector 3 with protection stopper 5 through connecting band 52 simultaneously, reduced the probability that protection stopper 5 loses.

In order to improve the using effect of the central venous catheter set, a fixing paste 12 is arranged on the outer wall of the main flow pipe 1, and the fixing paste 12 is made of a flexible cloth material, such as: the middle part of the fixing patch 12 is fixedly bonded on the outer wall of the main flow pipe 1, and medical adhesive is laid on the surface of the fixing patch 12, so that the fixing patch 12 can be fixedly bonded on the skin surface of a patient; when medical staff operates the connector 3, the main flow pipe 1 far away from one side of the connector 3 is not easy to pull the fixing paste 12, so that the probability of injury to a patient is reduced.

Referring to fig. 1, in order to further improve the use effect of the central venous catheter set, the outer walls of the main flow tube 1 and the infusion tube 2 of the central venous catheter set are both provided with a flow stopping splint 6, the flow stopping splint 6 is in a rectangular plate-shaped structure, the flow stopping splint 6 is provided with a clamping notch, and the clamping notch is arranged along the length direction of the flow stopping splint 6; when the flow stopping clamp plate is used, the notch of the flow stopping clamp plate 6 can clamp the main flow pipe 1 or the infusion pipe 2, so that the inner wall of the main flow pipe 1 or the infusion pipe 2 at the position where the flow stopping clamp plate 6 is arranged is tightly attached to achieve the flow stopping effect; when medical staff need use the testing channel, can be with a plurality of only flow splint 6 centre gripping respectively in the outer wall of main flow pipe 1 and transfer line 2 to reduce the probability that the inside liquid of main flow pipe 1 and transfer line 2 flows from the testing channel.

In order to improve the use effect of the flow stopping splint 6, the connecting end of the clamping notch is provided with a flow guide hole, the flow guide hole is communicated with the notch, and the aperture of the flow guide hole is larger than the pipe diameter of the main flow pipe 1 or the infusion pipe 2; when the flow stopping splint 6 is not needed, the main flow pipe 1 and the infusion tube 2 are slid to the flow guide hole of the flow stopping splint 6, on one hand, the main flow pipe 1 and the infusion tube 2 are conducted, and on the other hand, the probability that the flow stopping splint 6 is lost is reduced.

The implementation principle of the central venous catheter set in the embodiment of the application is as follows: when a patient needs to be subjected to blood phase analysis and examination, the main flow tube 1 and the infusion tube 2 are clamped by the flow stopping splint 6; then the protective cover is taken down, and then the mounting tube 41 is fixed in the detection channel; then the flow stopping splint 6 on the main flow pipe 1 is taken down, so that the blood in the vein of the patient flows into the detection chamber 11; and finally, connecting the serial port connector 43 on the optical fiber lead 42 to a blood phase analyzer for analysis.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a central venous catheter suit, includes mainstream pipe (1) and a plurality of transfer line (2), the one end of mainstream pipe (1) is fixed with connector (3), transfer line (2) are fixed in connector (3), transfer line (2) and mainstream pipe (1) intercommunication, its characterized in that: be provided with the test passage on connector (3), test passage and mainstream pipe (1) intercommunication, be provided with optical fiber detecting head (4) in the test passage, be connected with optic fibre wire (42) on optical fiber detecting head (4), the one end that optic fibre detecting head (4) were kept away from in optic fibre wire (42) sets up serial ports joint (43) that are used for connecting the blood phase analysis appearance.

2. The central venous catheter kit of claim 1 wherein: be provided with installation pipe (41) on optical fiber detecting head (4), optical fiber detecting head (4) outside is located to installation pipe (41) cover, the one end screw thread that serial ports joint (43) were kept away from in installation pipe (41) is fixed in the inner wall of test passage, the outer wall of connector (3) is stretched out to the one end that the helicitic texture was kept away from in installation pipe (41).

3. The central venous catheter kit of claim 2 wherein: optical fiber detecting head (4) outer wall setting has elastic spacing ring (44), spacing ring (44) butt is in the one end of installing pipe (41) and keeping away from serial ports joint (43), the outer wall of installation pipe (41) is stair structure, installation pipe (41) are established screwed one end and are the tip, the outer wall cover that installation pipe (41) was equipped with screw thread one end is equipped with and has elastic sealing ring (411).

4. A central venous catheter kit as claimed in any one of claims 1 to 3 wherein: one end that mainstream pipe (1) is close to connector (3) is provided with surveys cavity (11), mainstream pipe (1) is surveyed cavity (11) and is the transparent construction, the tip of optical fiber detection head (4) stretches into in surveying cavity (11), just the tip of optical fiber detection head (4) does not contact with the inner wall of surveying cavity (11).

5. The central venous catheter kit of claim 4 wherein: the central venous catheter suit also comprises a protective plug (5), wherein the outer wall of the protective plug (5) is provided with a thread matched with the inner wall of the detection channel.

6. The central venous catheter kit of claim 5 wherein: be provided with otic placode (51) on protection stopper (5), be fixed with connecting band (52) on otic placode (51), the one end that otic placode (51) were kept away from in connecting band (52) is fixed in the lateral wall of connector (3).

7. The central venous catheter kit of claim 6 wherein: the outer wall of the main flow pipe (1) is fixed with a fixing paste (12).

8. The central venous catheter kit of claim 7 wherein: the infusion tube (2) and the main flow tube (1) are both provided with a flow stopping splint (6).

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