CN204520989U - PICCO temperature sensor chamber protective cap - Google Patents

PICCO temperature sensor chamber protective cap Download PDF

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Publication number
CN204520989U
CN204520989U CN201520192161.5U CN201520192161U CN204520989U CN 204520989 U CN204520989 U CN 204520989U CN 201520192161 U CN201520192161 U CN 201520192161U CN 204520989 U CN204520989 U CN 204520989U
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CN
China
Prior art keywords
temperature sensor
cap
sensor chamber
cap body
seal closure
Prior art date
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Withdrawn - After Issue
Application number
CN201520192161.5U
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Chinese (zh)
Inventor
高永霞
宋燕波
陆真
张刚
张斌
黄夕华
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Jiangsu Province Hospital First Affiliated Hospital With Nanjing Medical University
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Jiangsu Province Hospital First Affiliated Hospital With Nanjing Medical University
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Priority to CN201520192161.5U priority Critical patent/CN204520989U/en
Application granted granted Critical
Publication of CN204520989U publication Critical patent/CN204520989U/en
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Abstract

This utility model discloses a kind of PI CCO temperature sensor chamber protective cap, comprise with temperature sensor chamber with the use of cap body, cap body contains hollow cap chamber, dock by mating screw thread between hollow cap cavity wall and the external diameter of temperature sensor chamber joint, the boss matched with temperature sensor chamber joint internal diameter is provided with in hollow cap chamber, root of notch between boss periphery and hollow cap cavity wall is provided with sealing ring, at least large than the sealing ring thickness 2mm of height of boss, after cap body and temperature sensor chamber joint are assembled, distance between the end face of boss and temperature sensor is at least 1mm, this protective cap structure is simple, easy to use, cavity temperature sensor can be prevented in the process of putting pipe or transfer sufferer to be subject to liquid contamination, impact monitoring reading, temperature sensor chamber joint also can be avoided to be subject to external force extruding and damaged and then damage cavity temperature sensor simultaneously.

Description

PICCO temperature sensor chamber protective cap
technical fieldthis utility model belongs to field of medical products, particularly a kind of PICCO temperature sensor chamber protective cap.
Background technology
Continuous cardiac output monitoring technology (PICCO) is indicated to be mainly used in the complicated operation such as liver transplant patients, Congenital heart disease in infants through lung-heat dilution pulse, also being applied in the Cavity in Critical Patients such as severe burn patients and septic shock, is one of clinical important means for hemodynamic monitoring.Continuous cardiac output monitoring technology (PICCO) is indicated to combine lung thermodilution technology and tremulous pulse edge analysis technology through lung-heat dilution pulse, after experiment corrects, the monitoring to important indicators such as load, myocardial contraction, edema caused by the lung disorder, central vein oxygen saturations before and after patient's heart can be realized.The parameter cardiac output (CO) that thermodilution technology can obtain noncontinuity is blood volume (ITBV) extravascular lung water (EVLW) pulmonary vascular permeability index (PVPI) cardiac function index (CFI) ejection fraction (GEF) whole-heartedly in end-diastolic dimension (GEDV) thoracic cavity whole-heartedly; Tremulous pulse edge analysis technology can obtain Continuous cardiac output (PCCO) arterial pressure (AP) heart rate (HR) often the amount of fighting (SV) often fight quantitative change different (SVV) pulse pressure variation (PPV) systemic vascular resistance (SVR) left ventricular contraction power index (dPmx).It is compared with the conventional monitoring methods of cardiac preload, PICCO only needs to insert a central venous catheter and a femoral catheter, without the need to being placed to pulmonary artery and lung small artery, decrease the damage to human body, and decrease technical difficulty and the complication of puncture, indwelling time can extend to 10 days; Secondly can monitor multiple highly divergent isolate continuously but the large index of clinical value, and arterial pressure can be monitored simultaneously, the information of instant change can be caught for doctor's reference.Directly perceived, easy, safe interface and operation requirements are provided; Moreover the measured value such as ITBV and EVLW can be monitored continuously, do not affect by respiratory movement and myocardial compliance, more can the change of reaction body inner capacities accurately and timely, more effectively can instruct liquid management, can be used as a kind of method of assisting diagnosis, the assessment state of an illness, be widely used in clinical and research work.
Indicate the ductus arteriosus related in continuous cardiac output monitoring technology (PICCO) with special temperature probe through lung-heat dilution pulse, for measuring the aortic variations in temperature of injection, monitor utilizes thermodilution method to measure the cardiac output of single, the temperature probe of conduit is positioned at the temperature sensor chamber (redness) of ductus arteriosus, temperature sensor chamber is subject to humidity, has short circuit, monitoring blood temperature is forbidden or cannot obtain the possibility of hot dilution parameters after buying frozen water after connecting temperature cable.Before putting pipe, use heparin-saline washing pipe; In indwelling ductus arteriosus process, because large artery trunks (stock, arm or axillary artery) pressure is large, blood is often gushed out in spurting and is caused temperature sensor to be made moist; Patient goes out to need junction, temperature sensor chamber to disconnect when doing the imaging examination such as CT, nuclear magnetic resonance, NMR clinically; clinical nursing staff generally can use gauze; the article such as disposable glove, plastic sheeting carry out temporary protection; cause is not corollary apparatus; add that patient checks that to move number of times more; temperature sensor chamber is still easily subject to urine; soaking of splanchnocoel drainage-fluid; cause monitoring inaccurate or being forced to change conduit; thus increase misery and the expense of patient, adopting which kind of device to overcome the above problems in this area is at present unsolved technical barrier.
Utility model content
For the problems referred to above, this utility model provides a kind of PICCO temperature sensor chamber protective cap, and when putting pipe or transfer sufferer, in order to protect temperature sensor chamber, prevent it from making moist, this utility model is achieved in that
A kind of PICCO temperature sensor chamber protective cap, it is characterized in that, protective cap comprise with temperature sensor chamber joint with the use of cap body, cap body contains hollow cap chamber, dock by mating screw thread between hollow cap cavity wall and the external diameter of temperature sensor chamber joint, the boss matched with temperature sensor chamber joint internal diameter is provided with in hollow cap chamber, root of notch between boss periphery and hollow cap cavity wall is provided with sealing ring, at least large than the sealing ring thickness 2mm of height of boss, after cap body and temperature sensor chamber joint are assembled, distance between the end face of boss and temperature sensor is at least 1mm.
Further, in this utility model, protective cap external diameter is identical with the external diameter of PICCO temperature sensor pedestal.
Further, in this utility model, cap body top is provided with elasticity fake, also be provided with the seal closure mated with hollow cap chamber bead, and be furnished with a flexible link belt, flexible link belt one end is fixedly connected with cap body, and the other end is connected with seal closure central movable, and seal closure is connected as a single entity by flexible link belt and cap body.
Further, in this utility model, described seal closure outer rim is flange, is provided with one annular catching groove in flange, the bead outer rim of cap body be provided with to mate with catching groove annular in seal closure together with convex annular weir, cap body and seal closure are located by connecting by corresponding convex weir and catching groove.
Further, in this utility model, described seal closure outer rim is flange, is provided with female thread in flange, and the bead outer rim of cap body is provided with the external screw thread mated with female thread in seal closure, and cap body and seal closure are located by connecting by corresponding internal and external threads.
Further, in this utility model, described seal closure outer rim is buried underground or is embedded with ferrimagnet, and corresponding ferrimagnet is buried or be embedded with to the bead of cap body underground, and cap body and seal closure are by being located by connecting after the corresponding mutual adhesive of ferrimagnet.
Further, in this utility model, the material of described cap body is PVC.
This utility model by arranging protective cap outside PICCO temperature sensor chamber, cavity temperature sensor can be prevented in the process of putting pipe or transfer sufferer to be subject to liquid contamination, impact monitoring reading, this protective cap also can avoid temperature sensor chamber joint to be subject to external force extruding and damaged and then damage cavity temperature sensor simultaneously; Protective cap inner convex platform groove is provided with sealing ring, can guarantee cap body and temperature sensor chamber joint compact siro spinning technology, prevents environmental liquids from polluting cavity, prevents boss from touching the sensor element of temperature sensor intracavity simultaneously; Protective cap top is provided with elasticity fake, can be easily to hang and the place such as temperature sensor cavity or conduit, use of conveniently taking; Protective cap bottom is provided with movable seal closure, with protective cap outer wall bottom protrusion with the use of, protective cap can be prevented to be out of shape because external force extruding, to damage, or polluted.
Accompanying drawing explanation
Fig. 1 is this utility model example structure schematic diagram;
Fig. 2 position this utility model embodiment using state schematic diagram;
In figure, 1, hollow cap chamber; 2, hollow cap cavity wall; 3, boss; 4, sealing ring; 5, seal closure; 6, flexible link belt; 7, elasticity fake; 8, temperature sensor; 9, temperature sensor chamber joint; 10, temperature sensor pedestal; 11, ductus arteriosus.
Detailed description of the invention
As depicted in figs. 1 and 2, temperature sensor chamber and temperature sensor chamber joint 9 is provided with in PICCO temperature sensor pedestal 10, temperature sensor 8 is placed in temperature sensor chamber, ductus arteriosus 11 is linked up through PICCO temperature sensor pedestal 10 and temperature sensor chamber, PICCO temperature sensor chamber protective cap contain with temperature sensor chamber joint 9 with the use of cap body, the material of cap body is PVC, cap body contains hollow cap chamber 1, dock by mating screw thread between hollow cap cavity wall 2 and the external diameter of temperature sensor chamber joint 9, the boss 3 matched with temperature sensor chamber joint 9 internal diameter is provided with in hollow cap chamber 1, root of notch between boss 3 periphery and hollow cap cavity wall 2 is provided with sealing ring 4, at least large than the thickness of sealing ring 4 2mm of height of boss 3, after cap body and temperature sensor chamber joint 9 are assembled, distance between the end face of boss 3 and temperature sensor 8 is at least 1mm.
In the present embodiment, protective cap external diameter is identical with the external diameter of PICCO temperature sensor pedestal 10.
In the present embodiment, cap body top is provided with elasticity fake 7, cap body is also provided with the seal closure 5 mated with hollow cap chamber 1 bead, and be furnished with a flexible link belt 6, flexible link belt 6 one end is fixedly connected with cap body, the other end is connected with seal closure 5 central movable, and seal closure 5 is connected as a single entity by flexible link belt 6 and cap body.
In the present embodiment, seal closure 5 outer rim is flange, is provided with one annular catching groove in flange, the bead outer rim of cap body be provided with to mate with catching groove annular in seal closure together with convex annular weir, cap body and seal closure are located by connecting by corresponding convex weir and catching groove.
The using method of this protective cap is, when putting pipe or transfer sufferer, PICCO temperature sensor chamber joint 9 and monitoring instrument disconnect, protective cap seal closure 5 is opened, protective cap is tightened in outside PICCO temperature sensor chamber joint 9 by the female thread of hollow cap cavity wall 2, can realize preventing that temperature sensor chamber from soaking, the object of breakage; When temperature sensor needs again to dock with detecting instrument; take off protective cap; seal closure 5 is by being located by connecting by the convex weir of correspondence and catching groove; the hollow cap chamber 1 of closed cap body; then protective cap is fixed on ductus arteriosus 11 or temperature sensor pedestal 10 place by elasticity fake 7, convenient next time uses.
In specific implementation process, also can be provided with female thread in the flange of seal closure outer rim, the bead outer rim of cap body establishes the external screw thread mated with female thread in seal closure, and cap body and seal closure are located by connecting by corresponding internal and external threads; Or seal closure outer rim is buried underground or is embedded with ferrimagnet, corresponding ferrimagnet is buried or be embedded with to the bead of cap body underground, and cap body and seal closure are by being located by connecting after the corresponding mutual adhesive of ferrimagnet.
Above-described embodiment is not to restriction of the present utility model; professional and technical personnel may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations; these any simple modification, equivalent variations and the remodeling done according to this utility model, still belongs to the protection domain of this making an excessive case more excessive new technique scheme.

Claims (7)

1. a PICCO temperature sensor chamber protective cap, it is characterized in that, protective cap comprise with temperature sensor chamber joint with the use of cap body, cap body contains hollow cap chamber, dock by mating screw thread between hollow cap cavity wall and the external diameter of temperature sensor chamber joint, the boss matched with temperature sensor chamber joint internal diameter is provided with in hollow cap chamber, root of notch between boss periphery and hollow cap cavity wall is provided with sealing ring, at least large than the sealing ring thickness 2mm of height of boss, after cap body and temperature sensor chamber joint are assembled, distance between the end face of boss and temperature sensor is at least 1mm.
2. PICCO temperature sensor chamber protective cap according to claim 1, it is characterized in that, protective cap external diameter is identical with the external diameter of PICCO temperature sensor pedestal.
3. PICCO temperature sensor chamber protective cap according to claim 2; it is characterized in that; cap body top is provided with elasticity fake; also be provided with the seal closure mated with hollow cap chamber bead; and be furnished with a flexible link belt; flexible link belt one end is fixedly connected with cap body, and the other end is connected with seal closure central movable, and seal closure is connected as a single entity by flexible link belt and cap body.
4. PICCO temperature sensor chamber protective cap according to claim 3; it is characterized in that; described seal closure outer rim is flange; one annular catching groove is provided with in flange; the bead outer rim of cap body be provided with to mate with catching groove annular in seal closure together with convex annular weir, cap body and seal closure are located by connecting by corresponding convex weir and catching groove.
5. PICCO temperature sensor chamber protective cap according to claim 3; it is characterized in that; described seal closure outer rim is flange; female thread is provided with in flange; the bead outer rim of cap body is provided with the external screw thread mated with female thread in seal closure, and cap body and seal closure are located by connecting by corresponding internal and external threads.
6. PICCO temperature sensor chamber protective cap according to claim 3; it is characterized in that; described seal closure outer rim is buried underground or is embedded with ferrimagnet; corresponding ferrimagnet is buried or be embedded with to the bead of cap body underground, and cap body and seal closure are by being located by connecting after the corresponding mutual adhesive of ferrimagnet.
7. according to one of claim 1-6 described PICCO temperature sensor chamber protective cap, it is characterized in that, the material of described cap body is PVC.
CN201520192161.5U 2015-04-01 2015-04-01 PICCO temperature sensor chamber protective cap Withdrawn - After Issue CN204520989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520192161.5U CN204520989U (en) 2015-04-01 2015-04-01 PICCO temperature sensor chamber protective cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520192161.5U CN204520989U (en) 2015-04-01 2015-04-01 PICCO temperature sensor chamber protective cap

Publications (1)

Publication Number Publication Date
CN204520989U true CN204520989U (en) 2015-08-05

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Application Number Title Priority Date Filing Date
CN201520192161.5U Withdrawn - After Issue CN204520989U (en) 2015-04-01 2015-04-01 PICCO temperature sensor chamber protective cap

Country Status (1)

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CN (1) CN204520989U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104783909A (en) * 2015-04-01 2015-07-22 南京医科大学第一附属医院 PICCO temperature sensor cavity protective cap

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104783909A (en) * 2015-04-01 2015-07-22 南京医科大学第一附属医院 PICCO temperature sensor cavity protective cap
CN104783909B (en) * 2015-04-01 2017-08-25 南京医科大学第一附属医院 PICCO temperature sensor chamber protective caps

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Granted publication date: 20150805

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Effective date of abandoning: 20170825

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