Invasive blood pressure catheter for dynamically monitoring blood glucose

Abstract

Relates to the field of medical equipment, and discloses an invasive blood pressure catheter for dynamically monitoring blood glucose, which comprises a retention needle inserted into the body of a patient, a connector arranged on the retention needle, a blood collection tube arranged on the connector and connected with blood collection equipment, and a detection tube arranged on the connector and connected with monitoring equipment, the adjusting device is arranged between the connector and the blood collection tube and between the connector and the detection tube; according to the blood collection and monitoring device, dynamic control over the blood flow direction is achieved, the blood collection and monitoring process is more flexible and efficient, the cleaning mechanism can automatically clean pipelines of the blood collection tube and the detection tube after blood collection and monitoring are completed, and the blood collection and monitoring efficiency is improved. The problems of blood residue and pipeline blockage are effectively avoided, the accuracy of a monitoring result is improved, the infection risk is reduced, and the safety of a patient is improved.

Description

Technical Field

[0001] The invention relates to the technical field of medical equipment, in particular to an invasive blood pressure catheter for dynamically monitoring blood sugar. Background Art

[0002] In modern medical technology, invasive blood pressure measurement devices can not only monitor the patient's blood pressure changes in a timely and accurate manner, but also collect blood samples through pipelines for various tests (such as arterial blood gas analysis, etc.), which is helpful for medical staff to make accurate judgments on the patient's condition. It is suitable for critically ill patients with various types of shock, severe myocardial infarction, heart failure, respiratory failure, burns, etc., as well as intraoperative and postoperative monitoring of complex surgeries.

[0003] Existing equipment has the following shortcomings: traditional blood sugar and blood pressure monitoring methods often have problems such as cumbersome operation, inability to monitor in real time, and easy infection during the sampling process. It is not convenient to clean the connecting tube after blood sample collection, causing bacteria to grow inside the contaminated pipe, which can easily lead to infection risks.

[0004] Therefore, the present application proposes an invasive blood pressure catheter for dynamically monitoring blood sugar to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide an invasive blood pressure catheter for dynamically monitoring blood sugar, so as to solve the above-mentioned problems such as complicated operation, inability to monitor in real time, and easy infection during sampling.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an invasive blood pressure catheter for dynamic monitoring of blood sugar, comprising a retention needle inserted into a patient's body, a connector disposed on the retention needle, a blood collection tube disposed on the connector and connected to a blood collection device, and a detection tube disposed on the connector and connected to a monitoring device, and further comprising:

[0007] A regulating device, disposed between the connector and the blood collection tube and the detection tube, for regulating the flow direction of blood;

[0008] The cleaning mechanism is arranged on the upper part of the blood sampling tube and the detection tube, and is used for cleaning the blood sampling tube and the detection tube after sampling.

[0009] Wherein, the adjusting device includes a three-way pipe fixed on the upper end of the connecting head and connected to the connecting head, an adjusting rod rotatably arranged at the upper end of the three-way pipe, and a limiting ball arranged inside the three-way pipe and connected to the adjusting rod, and the limiting ball abuts against the inner wall of the three-way pipe.

[0010] A handle is fixed to the upper end of the adjusting rod, one side of the three-way tube is connected to the blood collection tube, and the other side of the three-way tube is connected to the detection tube. A first opening is opened at the position of the limiting ball corresponding to the blood collection tube, and a second opening is opened at the position of the limiting ball corresponding to the connecting head, and the first opening is connected to the second opening.

[0011] Wherein, a connecting tube is arranged at the upper end of the blood collection tube, an inner tube is arranged at the upper end of the connecting tube, a sampling head is arranged at the upper end of the inner tube, a fixing block is fixed on the side of the connecting tube, and the cleaning mechanism is sleeved on the connecting tube.

[0012] Wherein, the cleaning mechanism comprises a liquid storage bag fixed on the outside of the inner tube, a liquid inlet is provided on the liquid storage bag, and a through hole connected to the liquid inlet is provided on the inner tube.

[0013] Wherein, a support frame is fixed inside the inner tube, and a sealing member for sealing the through hole is arranged at the lower end of the support frame.

[0014] Wherein, a connecting rod is fixed to the lower end of the support frame, and a supporting plate for supporting the sealing member is fixed to the lower end of the connecting rod.

[0015] Wherein, the sealing member includes a sealing ball movably and symmetrically arranged in the through hole and an abutment ring arranged on the side of the sealing ball away from the through hole, a support rod penetrating the support plate is arranged on the side of the abutment ring close to the support plate, a through hole is opened on the support plate for the support rod to move, and the support rod is located between the abutment ring and the support plate and is sleeved with an elastic member.

[0016] Wherein, a protective sleeve for protecting the elastic member is arranged between the abutment ring and the support plate.

[0017] Among them, a shunt pipe is arranged on the detection tube, a first hose is arranged on the upper end of the shunt pipe, a second hose is arranged on the upper end of the shunt pipe, a first detection tube is arranged on the upper end of the first hose, a second detection tube is arranged on the upper end of the second hose, the first detection tube and the second detection tube have the same structure as the connecting tube, and a cleaning mechanism is arranged on the first detection tube and the second detection tube.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention inserts a retention needle into the patient's body and fixes it to the patient's skin through a fixing patch, then installs an adjusting device on the connecting head, and then connects the detection tube to the blood pressure detector and the blood glucose detector respectively, so as to detect the patient's blood pressure and blood glucose in real time. When it is necessary to detect the blood pressure and blood glucose, the adjusting device is rotated to connect the connecting head with the detection tube so that blood flows into the interior of the detection tube. When it is necessary to collect a blood sample, the adjusting device is rotated to connect the connecting head with the blood collection tube so that blood flows into the interior of the blood collection tube. Then, when the collection is completed, the interior of the blood collection tube is cleaned by a cleaning mechanism, so that the cleanliness of the interior of the blood collection tube can be maintained. Through the adjusting device, dynamic control of the blood flow direction is realized, so that the blood collection and monitoring process is more flexible and efficient. The cleaning mechanism can automatically clean the pipelines of the blood collection tube and the detection tube after the blood collection and monitoring are completed, so as to effectively avoid the problems of blood residue and pipeline blockage, which not only improves the accuracy of the monitoring results, but also reduces the risk of infection and improves the safety of the patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure in one embodiment of the present invention;

[0021] Figure 2 It is a schematic diagram of a top view of a structure in one embodiment of the present invention;

[0022] Figure 3 It is a schematic structural diagram of an embodiment of the present invention in a front view;

[0023] Figure 4 It is a structural schematic diagram of an adjusting device in one embodiment of the present invention;

[0024] Figure 5 It is a structural schematic diagram of a cleaning mechanism in one embodiment of the present invention;

[0025] Figure 6 This is a schematic structural diagram of a sealing member in one embodiment of the present invention;

[0026] Figure 7 It is a schematic structural diagram of an open seal in one embodiment of the present invention.

[0027] In the figure: 1, retention needle; 11, needle cap; 12, fixing patch; 2, connector; 3, adjustment device; 31, three-way pipe; 32, adjustment rod; 321, handle; 33, limiting ball; 331, first opening; 332, second opening; 4, blood collection tube; 41, fixing block; 42, connecting tube; 421, sampling head; 422, inner tube; 4221, through hole; 423, liquid filling port; 43, cleaning mechanism; 431, liquid storage bag; 4301, liquid inlet; 432, sealing member; 4321, sealing ball; 4322, abutment ring; 4323, support rod; 4324, elastic member; 4325, protective sleeve; 433, support frame; 4331, connecting rod; 4332, support plate; 43321, perforation; 5, detection tube; 51, shunt tube; 52, first hose; 53, second hose; 521, first detection tube; 531, second detection tube. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-7 The present invention provides a technical solution: an invasive blood pressure catheter for dynamic monitoring of blood sugar, comprising a retention needle 1 inserted into a patient's body, a connector 2 arranged on the retention needle 1, a blood collection tube 4 arranged on the connector 2 and connected to a blood collection device, and a detection tube 5 arranged on the connector 2 and connected to a monitoring device, a needle cap 11 is arranged at the needle position of the retention needle 1, a fixing sticker 12 is arranged on one side of the retention needle 1, and further comprising:

[0030] The regulating device 3 is arranged between the connecting head 2 and the blood collection tube 4 and the detection tube 5, and is used to regulate the flow direction of the blood;

[0031] The cleaning mechanism 43 is arranged on the upper part of the blood sampling tube 4 and the detection tube 5, and is used for cleaning the blood sampling tube 4 and the detection tube 5 after sampling.

[0032] It should be noted that, when working, the retention needle 1 is inserted into the patient's body and fixed to the patient's skin through the fixing patch 12, and then the adjusting device 3 is installed on the connecting head 2, and then the detection tube 5 is connected to the blood pressure detector and the blood glucose detector respectively, for real-time detection of the patient's blood pressure and blood glucose. When it is necessary to detect the blood pressure and blood glucose, the adjusting device 3 is rotated to connect the connecting head 2 with the detection tube 5 so that the blood flows into the inside of the detection tube 5. When it is necessary to collect a blood sample, the adjusting device 3 is rotated to connect the connecting head 2 with the blood collection tube 4 so that the blood flows into the inside of the blood collection tube 4. Then, when the collection is completed, the inside of the blood collection tube 4 is cleaned by the cleaning mechanism 43, which can keep the inside of the blood collection tube 4 tidy. Through the adjusting device 3, dynamic control of blood flow is realized, making the blood collection and monitoring process more flexible and efficient. The cleaning mechanism 43 can automatically clean the pipelines of the blood collection tube 4 and the detection tube 5 after the blood collection and monitoring are completed, effectively avoiding the problems of blood residue and pipeline blockage, not only improving the accuracy of the monitoring results, but also reducing the risk of infection and improving the safety of the patient.

[0033] In one embodiment, the adjusting device 3 includes a three-way pipe 31 fixed at the upper end of the connecting head 2 and connected to the connecting head 2, an adjusting rod 32 rotatably arranged at the upper end of the three-way pipe 31, and a limiting ball 33 arranged inside the three-way pipe 31 and connected to the adjusting rod 32, and the limiting ball 33 abuts against the inner wall of the three-way pipe 31.

[0034] This design, see Figure 1-4 By cooperating with the three-way tube 31, the adjusting rod 32 and the limiting ball 33 in the adjusting device 3, the adjusting rod 32 is rotated to drive the limiting ball 33 to rotate inside the three-way tube 31, and the medical staff can accurately control the flow direction of the blood, so that the blood can be flexibly switched between blood collection and monitoring, thereby improving the accuracy and efficiency of the operation. The close contact between the limiting ball 33 and the inner wall of the three-way tube 31 ensures good sealing, prevents blood leakage and the invasion of external pollutants, ensures the safety of the patient, protects the operating environment of the medical staff, and reduces the risk of cross infection.

[0035] In one embodiment, a handle 321 is fixed to the upper end of the adjustment rod 32, one side of the three-way tube 31 is connected to the blood sampling tube 4, and the other side of the three-way tube 31 is connected to the detection tube 5. A first opening 331 is opened at the position of the limiting ball 33 corresponding to the blood sampling tube 4, and a second opening 332 is opened at the position of the limiting ball 33 corresponding to the connector 2, and the first opening 331 is connected to the second opening 332.

[0036] This design, see Figure 4The medical staff rotates the handle 321 and controls the position of the limiting ball 33 in the three-way tube 31 by controlling the adjusting rod 32. When the first port 331 is connected with the blood sampling tube 4, blood flows from the connector 2 into the second port 332 and then into the interior of the blood sampling tube 4, and then flows into the collecting tube for sampling. When the first port 331 is connected with the detection tube 5, blood flows from the connector 2 into the second port 332 and then into the interior of the detection tube 5. Then, the blood pressure and blood sugar of the patient are monitored in real time through the blood pressure detector and blood sugar detector connected to the detection tube 5. Medical staff can perform operations more accurately when drawing blood or monitoring, reducing errors caused by misoperation.

[0037] In one embodiment, a connecting tube 42 is provided at the upper end of the blood sampling tube 4, an inner tube 422 is provided at the upper end of the connecting tube 42, a sampling head 421 is provided at the upper end of the inner tube 422, a fixing block 41 is fixed to the side of the connecting tube 42, and a cleaning mechanism 43 is sleeved on the connecting tube 42.

[0038] This design, see Figure 1-3 ,as well as Figure 5 , blood flows from the inside of the blood sampling tube 4 into the inside of the connecting tube 42, and then flows out from the sampling head 421 for sampling. When the sampling work is completed, the cleaning mechanism 43 is pressed, and the physiological saline inside the cleaning mechanism 43 is squeezed into the inner tube 422 and then flows into the blood sampling tube 4 and the three-way tube 31, and then flows into the patient's body from the inside of the retention needle 1 with the blood. The cleaning mechanism 43 can effectively remove the blood remaining in the connecting tube 42 and the inner tube 422, ensuring the hygienic condition of the equipment and preparing for the next use.

[0039] In one embodiment, the cleaning mechanism 43 includes a liquid storage bag 431 fixed on the outside of the inner tube 422, a liquid inlet 4301 is opened on the liquid storage bag 431, a through hole 4221 connected to the liquid inlet 4301 is opened on the inner tube 422, and a liquid filling port 423 is set at the upper end of the liquid storage bag 431 for replenishing physiological saline.

[0040] This design, see Figure 5-7 Physiological saline is stored in the liquid storage bag 431 and flows directly into the inner tube 422 through the liquid inlet 4301 and the through hole 4221. When the liquid storage bag 431 is manually squeezed, the physiological saline in the liquid storage bag 431 flows from the liquid inlet 4301 into the through hole 4221, and then into the inner tube 422, so as to clean the inside of the inner tube 422 and the connecting tube 42, and clean the blood, protein and other biological samples remaining in the inner tube 422 and the connecting tube 42, thereby effectively reducing cross contamination and errors and ensuring the accuracy of subsequent monitoring.

[0041] In one embodiment, a support frame 433 is fixed inside the inner tube 422 , and a sealing member 432 for sealing the through hole 4221 is disposed at the lower end of the support frame 433 .

[0042] With this design, the sealing member 432 can effectively seal the through hole 4221, so that the gas or liquid inside the liquid storage bag 431 flows into the inner tube 422, or the blood inside the inner tube 422 flows into the liquid storage bag 431, thereby maintaining the sealing of the inner tube 422 and the liquid storage bag 431.

[0043] In one embodiment, a connecting rod 4331 is fixed to the lower end of the supporting frame 433 , and a supporting plate 4332 for supporting the sealing member 432 is fixed to the lower end of the connecting rod 4331 .

[0044] This design, see Figure 5-7 By connecting the rod 4331 and the support plate 4332, a stable support can be provided for the seal 432, which can ensure that the seal 432 maintains its position and shape during long-term use, thereby improving the stability and reliability of the sealing effect.

[0045] In one embodiment, the sealing member 432 includes a sealing ball 4321 movably and symmetrically arranged in the through hole 4221 and an abutment ring 4322 arranged on the side of the sealing ball 4321 away from the through hole 4221, a support rod 4323 penetrating the support plate 4332 is arranged on the side of the abutment ring 4322 close to the support plate 4332, and a through hole 43321 for the support rod 4323 to move is opened on the support plate 4332, and the support rod 4323 is located between the abutment ring 4322 and the support plate 4332 and is sleeved with an elastic member 4324, and the elastic member 4324 is made of a damped spring or an elastic pad.

[0046] This design, see Figure 5-7 The through hole 4221 is provided with two symmetrical openings on both sides of the inner tube 422, which can facilitate the flow of physiological saline into the interior of the inner tube 422. The sealing ball 4321 abuts against the through hole 4221 to seal the through hole 4221. The design of the abutment ring 4322 further enhances the reliability of the seal. When the medical staff squeezes the liquid storage bag 431, the liquid inside the liquid storage bag 431 squeezes the sealing ball 4321, and the abutment ring 4322 can squeeze the elastic member 4324, and then push the sealing ball 4321 out of the through hole 4221, and then the physiological saline flows out of the through hole 4221.

[0047] In one embodiment, a protective sleeve 4325 for protecting the elastic member 4324 is disposed between the abutting ring 4322 and the supporting plate 4332 .

[0048] This design, see Figure 6 ,as well as Figure 7 The protective sleeve 4325 can isolate the elastic member 4324 to prevent blood from contacting the elastic member 4324 and causing impurities to adhere to the elastic member 4324, thereby affecting subsequent cleaning work.

[0049] In one embodiment, a shunt tube 51 is provided on the detection tube 5, a first hose 52 is provided at the upper end of the shunt tube 51, a second hose 53 is provided at the upper end of the shunt tube 51, a first detection tube 521 is provided at the upper end of the first hose 52, a second detection tube 531 is provided at the upper end of the second hose 53, the first detection tube 521 and the second detection tube 531 have the same structure as the connecting tube 42, and a cleaning mechanism 43 is provided on the first detection tube 521 and the second detection tube 531.

[0050] This design, see Figure 1-3 By setting up the shunt tube 51, the fluid in the detection tube 5 can be shunted to two different paths (the first hose 52 and the second hose 53). The first hose 52 is connected to the blood pressure detector through the first detection tube 521 for real-time detection of the patient's blood pressure. The second hose 53 is connected to the blood glucose detector through the second detection tube 531 for real-time detection of the patient's blood glucose. The detection tube 5 can be cleaned by the cleaning mechanism 43, and the cleaned physiological saline solution flows into the patient's body.

[0051] In addition, if there are descriptions involving "first", "second", etc. in the embodiments, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying the importance of the relative description or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" explicitly or implicitly include at least one of the features.

Claims

1. An invasive blood pressure catheter for dynamic monitoring of blood sugar, comprising a retention needle (1) inserted into a patient's body, a connector (2) arranged on the retention needle (1), a blood collection tube (4) arranged on the connector (2) and connected to a blood collection device, and a detection tube (5) arranged on the connector (2) and connected to a monitoring device, characterized in that: Also includes: A regulating device (3), arranged between the connecting head (2) and the blood collection tube (4) and the detection tube (5), and used for regulating the flow direction of blood; The cleaning mechanism (43) is arranged on the upper part of the blood sampling tube (4) and the detection tube (5) and is used to clean the blood sampling tube (4) and the detection tube (5) after sampling.

2. The invasive blood pressure catheter for dynamic blood sugar monitoring according to claim 1, characterized in that: The regulating device (3) comprises a three-way pipe (31) fixed to the upper end of the connecting head (2) and connected to the connecting head (2), an regulating rod (32) rotatably arranged at the upper end of the three-way pipe (31), and a limiting ball (33) arranged inside the three-way pipe (31) and connected to the regulating rod (32), wherein the limiting ball (33) abuts against the inner wall of the three-way pipe (31).

3. The invasive blood pressure catheter for dynamic blood sugar monitoring according to claim 2, characterized in that: A handle (321) is fixed to the upper end of the adjusting rod (32); one side of the three-way tube (31) is connected to the blood sampling tube (4); the other side of the three-way tube (31) is connected to the detection tube (5); a first opening (331) is provided at a position of the limiting ball (33) corresponding to the blood sampling tube (4); a second opening (332) is provided at a position of the limiting ball (33) corresponding to the connecting head (2); the first opening (331) is connected to the second opening (332).

4. The invasive blood pressure catheter for dynamic blood sugar monitoring according to claim 1, characterized in that: The upper end of the blood sampling tube (4) is provided with a connecting tube (42), the upper end of the connecting tube (42) is provided with an inner tube (422), the upper end of the inner tube (422) is provided with a sampling head (421), a fixing block (41) is fixed to the side of the connecting tube (42), and the cleaning mechanism (43) is sleeved on the connecting tube (42).

5. The invasive blood pressure catheter for dynamic blood sugar monitoring according to claim 4, characterized in that: The cleaning mechanism (43) comprises a liquid storage bag (431) fixed on the outside of the inner tube (422), a liquid inlet (4301) is provided on the liquid storage bag (431), and a through hole (4221) connected to the liquid inlet (4301) is provided on the inner tube (422).

6. The invasive blood pressure catheter for dynamic blood sugar monitoring according to claim 5, characterized in that: A support frame (433) is fixed inside the inner tube (422), and a sealing member (432) for sealing the through hole (4221) is provided at the lower end of the support frame (433).

7. An invasive blood pressure catheter for dynamic blood sugar monitoring according to claim 6, characterized in that: A connecting rod (4331) is fixed to the lower end of the support frame (433), and a supporting plate (4332) for supporting the sealing member (432) is fixed to the lower end of the connecting rod (4331).

8. An invasive blood pressure catheter for dynamic blood sugar monitoring according to claim 7, characterized in that: The sealing member (432) comprises a sealing ball (4321) movably and symmetrically arranged in the through hole (4221) and an abutment ring (4322) arranged on the side of the sealing ball (4321) away from the through hole (4221); a support rod (4323) penetrating the support plate (4332) is arranged on the side of the abutment ring (4322) close to the support plate (4332); a through hole (43321) for the support rod (4323) to move is opened on the support plate (4332); the support rod (4323) is located between the abutment ring (4322) and the support plate (4332) and is sleeved with an elastic member (4324).

9. An invasive blood pressure catheter for dynamic blood sugar monitoring according to claim 8, characterized in that: A protective sleeve (4325) for protecting the elastic member (4324) is arranged between the abutment ring (4322) and the support plate (4332).

10. The invasive blood pressure catheter for dynamic blood sugar monitoring according to claim 4, characterized in that: The detection tube (5) is provided with a shunt tube (51), the upper end of the shunt tube (51) is provided with a first hose (52), the upper end of the shunt tube (51) is provided with a second hose (53), the upper end of the first hose (52) is provided with a first detection tube (521), the upper end of the second hose (53) is provided with a second detection tube (531), the first detection tube (521) and the second detection tube (531) are both of the same structure as the connecting tube (42), and the first detection tube (521) and the second detection tube (531) are both provided with a cleaning mechanism (43).

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