과 업 지 시 서

사 업 명	2020년 전신전산화단층촬영장치(Aquilion ) 유지보수 계약
주관기관	충청남도홍성의료원

2020. 6.

CT 장비 유지보수 과업내용서

1. 계약명 : CT 유지보수 계약

2. 계약기간 : 2020.07.01. ～ 2022.06.30.(2년)

3. 유지보수대상 장비 내역

모델명	설치장소	수량	구입일자	장비취득가격
AQUILION CX	병원 CT실	1대	2012. 3.	794,000,000 (제세비용 제외)

4. 계약조건

가. 이 계약은 위의 장비가 항상 정상상태로 가동될 수 있도록 장비의정기점검 보수작업을 하기 위함에 있다.

나. CT 본체, 디텍터, TUBE 등 CT 장비 모든 부품을 무상으로 지원한다. 단, 도시바 장비 외 별도 유닛은 제외한다.

다. 2개월마다 1회 이상 예방 정기점검으로 진료에 차질이 발생되지 않도록 하고 장애발생시 긴급보수를 실시하여 장비 가동률을 95% 이상으로 유지하도록 하여야 하며 정기점검 실적을 서면으로 통보한 후 유지보수료를 청구하여야 함

라. 응급 콜 접수 후 2시간 이내에 응답하여야하며, 응급 콜 접수 후 4시간 이내에 엔지니어가 방문하여야 한다.

마. 정도관리는 1년에 2회 이상 실시하며, Application 교육 지원은 횟수에 제한없이 의료원의 요청이 있을 시 실시하여야 하며 제반비용은 업체의 부담으로 한다.

바. 점검내역

ㅇ 장비 외관상 이상 유무 확인

ㅇ 안전장치 정상 동작 확인

ㅇ 장비 내부 청소

ㅇ 이미지 이상 유무 확인

ㅇ 마모 부분의 자연소모 보수 및 부품교환 및 조정

ㅇ 기능상 이상 유무 확인

ㅇ 정도관리 시행

아. 본 계약서에 명시되지 않은 사항은 양측이 합의하여 해결한다.

《별첨 1》

CT 정기점검 내역
No	항 목	비 고
1	주기적 영상점검	▶ 영상점검
2	환자 테이블 점검	▶ 테이블 점검 및 조정
3	중심선 정렬	▶ Laser marker 조정
4	CT Room 상태 점검	▶ 내부 온도 , 에어컨 동작 확인
5	Detector 점검	▶ 외부 및 온도 확인, 영상점검
6	주 전원점검	▶ 주 전원 확인
7	노이즈 시험	▶ Quality Phantom 이용 확인
8	인공물의 유,무 시험	▶ Quality Phantom 이용 확인
9	Recon Box 점검	▶ Server status 및 RDD 확인
10	Gantry 점검	▶ 내부 Fan 및 Oil 누유 점검
		▶ Anchoring 및 파트 이상 점검
11	AC power 점검	▶ 내부 외부 AC line volt 점검
12	DC power 점검	▶ 내부 외부 DC line volt 점검
13	X-ray System 점검	▶ log 기반 에러 대응 및 확인
14	Console 점검	▶ PC 상태 및 연결 확인
		▶ 에러 발생 유무 확인
15	System 점검	▶ Emergency switch 이상 확인
		▶ Cooling 장치 확인

《별첨 2》

CT 유지보수점검보고서

No.	Inspection item	Work contents
Preparations for inspection work
1	Test scanning	C
2	Removal of the gantry covers
3	Shutting down the system
Checks inside the gantry (DAS thermoregulator, fan, and other sections)
1	Main detector temperature-setting check	C
2	DAS cooling fan rotation check	I
3	Operational check for the gantry ceiling fan and the GTS fan	I
4	Operational check for the heat exchanger and HFG fans	I
5	Checking the heat exchanger operating time	I
6	Checking for detector/DAS connector looseness	C
Checking for looseness of the tightening sections in the gantry and for oil leakage in the X-ray system
1	Checking for looseness of the anchor bolts	C
2	Checking the tilt cable routing on the right side of the gantry
3	Checking the tilt cable routing on the left side of the gantry	I
Operational check of the emergency stop button and timer
1	Console emergency button operational check	C
2	Setting and operational check of the off delay timer
3	Recording the DAS timer settings	C
Cleaning the console
1	Removing the console covers
2	CleaningtheCPUBOXandRECBOXintake/exhaust vents
	Cleaning the air intake vent of the CPU BOX	CL
	Cleaning the air intake vent of the REC BOX	CL
	Cleaning the air filters of the CPU BOX	CL
	Cleaning the air exhaust vent of the CPU BOX	CL
	Cleaning the air exhaust vent of the REC BOX	CL
No.	Inspection item	Work contents
Cleaning parts inside the gantry (large-current slipring and other parts)
1	Turing OFF the gantry power-supply breakers
2	Removing the brush cover
3	Removing and cleaning the brush base plate and checking the amount of abraded brush material	CL/C
4	Cleaning the slip ring	CL
5	Removingandcleaningtheabradedmaterials cleaning cover	CL
6	Remounting the brush base plate	C
7	Applying grease to the main bearing	G
8	Checking gantry rotation	C
Emergency stop button operational check Cleaning parts inside the gantry (cleaning the fan filter and other parts and checking for oil leakage)
1	Cleaning the B front cover filter	CL
2	Cleaning the gantry under-cover and sub under-cover sections	CL
3	Cleaning the filter section of the B side cover	CL
4	Cleaning the filter section of the B rear cover	CL
5	Cleaning the X-rayincidentwindowofthedetector and the air vent of the DAS	CL
6	Cleaning of HFG vent	CL
7	Cleaning around the power supply for the rotation section in the PWB-ASSY	CL
8	Inverter fan replacement	R/CL
Cleaning the heat exchanger
1	Checking for coolant leakage in the X-ray system
	Checking the X-ray tube	C
	Checking the heat exchanger	C
	Checking the rubber hose	C
2	Checking the X-ray tube receptacle section	C
3	Cleaning the heat exchanger radiator	CL
4	Checking cable and connector connections	C
5	High-voltage cable check	C
6	Turning ON the gantry breakers	C
Operational check of the console internal fan and the gantry emergency stop button
1	Console internal fan operational check
	CON BOX fan operational check	C
	REC BOX fan operational check	C
2	Gantry emergency switch operational check (4locations)	C
3	Checking the Console line voltage
	180 V to 210 V	C
4	Checking the DC power voltage
	[CPU BOX]
	PS2 (5 V) 4.95 to 5.17 V	C
	PS3 (12 V) 11.9 to 12.5 V	C
	PS4 (12 V) 11.9 to 12.5V	C
5	Power OFF
6	Replacing the batteries (PC BOX)
	Batteries on the motherboard in the PC unit (BSX74-1789)	R
7	Connecting the PC power cable
8	Replacing the batteries (BBU)
	BBU (BSX74-2427E)	R
9	Replacing the batteries (Server PC)
	Batteries on the motherboard in PC1 (RTM/PRE) and PC2 (RECON) (BSX74-1789)	R
10	Remounting the console cover
Checking the power distributor
1	Operational check of the circuit breaker	C
2	Turning ON the system power
Operational check of the intercom
1	Operational check of the intercom	C
X ray system adjustment and output check		C
1	If adjustment	A
2	Checking the XC error log	C
3	XC battery replacement (only when the XC2 PWB is installed in the system)	R
No.	Inspection item	Work contents
Checking the gantry operating panel and sensors
1	Gantry operating panel contact point short-circuit check
	Checking that the LEDs on the front right-side operating panel go out (when couch sliding is stopped)	C
	Checking that the LEDs on the front right-side operating panel light (during couch sliding)	C
	Checking that the LEDs on the front left-side operating panel go out (when couch sliding is stopped)	C
	Checking that the LEDs on the front left-side operating panel light (during couch sliding)	C
	Foot switch	C
2	Tilt limit micro switch check	C
3	Tilt 0° check	C
4	Checking for abnormal sounds and oil leakage from the tilt power cylinder and the brake cylinder	C
5	Operational checks of the slit and the wedge
	Slit operation check	C
	Wedge operation check	C
Checking the gantry power-supply voltage
1	Checking AC voltages inside the gantry
	1) Gantry stationary section
	(a) TB2 R – S	C
	S – T	C
	R – T	C
	(b) R-SERVO R – S	C
	S – T	C
	R – T	C
	2) Gantry rotation section	C
	(a) CNN742 1 – 2	C
	(b) HFG FL1 U – V	C
	V – W	C
	U – W	C
	Checking DC voltages inside the gantry
	(1) Gantry stationary section
	(a) PS380 (+24 V) C Between TP1 and TP2 on the GMSP PWB	C
	(b) PS111 (+24 V) C Between the DAS timer L1 and the mounting	C
2	(c) PS380 (+5 V) C Between TP9 and TP17 on the SCST2 PWB	C
No.	Inspection item	Work contents
1	2) Gantry rotation section
	(a) PS752 (+24 V) C Between TP20 and TP11 on the ACC2 PWB	C
	b) PS751 (+5.3 V) C Between TP16 and TP11 on the ACC2 PWB	C
	(c) DASPS6 (+3.3 V) DAS power supply connectors Between PCN1 1 (purple) and PCN1 2 (black) Between PCN12 1 (purple) and PCN12 2 (black)	C
	(d) DASPS8 (+5 V) DAS power supply connectors Between PCN1 5 (yellow) and PCN1 6 (black) Between PCN12 5 (yellow) and PCN12 6 (black)	C
	(e) DASPS9 (+12 V) DAS power supply connectors Between PCN10 1 (orange) and PCN10 5 (black)	C
	(f) DASPS10 (+24 V) DAS power supply connectors Between CNN747 1 (brown) and CNN747 2 (black)	C
	(g) DASPS2 (-6 V) DAS power supply connectors Between PCN2 1 (blue) and PCN2 2 (black) Between PCN11 1 (blue) and PCN11 2 (black)	C
	(h) DASPS4 (+7 V) DAS power supply connectors Between PCN2 5 (red) and PCN2 6 (black) Between PCN11 5 (red) and PCN11 6 (black)	C
2	Checking for looseness of the terminal boards
	Checking for looseness of the screws of the terminal boards (TB2, TB3)	C
	Visual inspection of the cable and the terminal boards	I
No.	Inspection item	Work contents
Checking the inside of the patient couch
1	Lifting the flexible cover
2	Cleaning the horizontal movement rails	CL
3	Cleaning the vertical movement rails	CL
4	Check of the ball screw (for CBTB-032 only)
5	Checking for interference with or damage to patient couch internal cables	C
6	Check of couch-top movement accuracy	C
7	Check for abnormal sounds from the rear of the couch top	C
8	Check for abnormal sounds from the patient couch during operation	C
9	Checking Free operation
	Couch Free lever movement	C
	Couch top motive force	C
10	Check of the tightening parts	C
11	Anchor bolt tightening check	C
12	Check of the vertical drive section
	Abrasion of the ball screw	C
	Lubrication of the ball screw	G
	Checking the bolts securing the drive support section	C
	Check of coupling position	C
13	DC power-supply check
	TP1 (0 V) - CN101-1 (5 V)	C
14	Securing the flexible cover
15	Check of the couch accessories	C
16	Clearance checks for the cover	C
Checking the projector projection point and interference with the covers
1	Operational check of the positioning projector
	Check and adjustment of the internal projector	C
	Check and adjustment of the median line projector	C
	Check and adjustment of the external projector	C
	Check and adjustment of the range projectors	C
	Check and adjustment of the FOV projectors	C
	Operational check of the projectors	C
2	Gantry cover remounting
3	Cleaning the external projector window and the Mylar sheet	CL
4	Checking the Mylar sheet mounting status	C
5	Interference check in the gantry	C
No.	Inspection item	Work contents
CT number of TOS phantom
1	a: Air a: -1015 to -975	C
2	b: Delrin b: 330 to 350	C
3	c: Acrylicresin c: 115 to 135	C
4	d: Nylon d: 90 to 110	C
5	e: Polypropylene e: -115 to -95	C
6	f: Water f: -5 to 5	C

C: check, CL: Cleaning, R: Replacement, G: Greasing, A: Adjustment, I: Visual check.