CN104434261A - Gallbladder preserving and calculus removing operation sheath tube - Google Patents

Abstract

The invention relates to the technical field of medical auxiliary instruments, in particular to a gallbladder preserving and calculus removing operation sheath tube. The operation sheath tube comprises a sheath tube body and a sheath core arranged in the sheath tube body in a sleeved mode, wherein the outer side wall of the sheath tube body is provided with scales and scales values, the scales comprise the long scales and the short scales, four short scales are arranged between every two adjacent long scales, the distance between every two adjacent long scales is 0.5 cm, the distance between every two adjacent short scales is 0.1 cm, the scale values are arranged on one side of the long scales, and the scale values are arranged from the front end of the sheath tube body at the interval of two long scales. The operation sheath tube is simple in structure, economical, practical and capable of keeping a gallbladder operating channel open all the time, reducing the complication of injuries of the gallbladder and gallbladder mucosae and shortening operation time, a gallbladder cavity can be washed with water in time, and the operative field can be conveniently exposed for an operator.

Description

A kind of protect gallbladder take stone operation sheath pipe

Technical field

The present invention relates to medical auxiliary apparatus technical field, be specifically related to a kind of protect gallbladder take stone operation sheath pipe.

Background technology

Cholelithiasis cystic polyp, be department of general surgery's commonly encountered diseases frequently-occurring disease.Previously adopt laparoscopic cholecystectomy more, in recent years along with being familiar with again gallbladder function, Wicresoft's protect gallbladder take stone (polyp) operation is constantly by vast department of general surgery doctor, the favors such as cholelithiasis (polyp) patient, in operation, gallbladder mirror is directly put into gallbladder by gallbladder otch by patient, calculus is overlapped by stone extraction basket, because otch is difficult to fix, need in art repeatedly to lift gallbladder, repeatedly gallbladder need be passed in and out when especially getting Calculus (polyp), perform the operation consuming time, get stone difficulty and very easily cause gallbladder and gallbladder mucosa damage, or calculus (polyp) is difficult to get only, and when gallbladder exists inflammation, bile is muddy, thickness, cause the visual field unclear, operating difficulties.

Summary of the invention

In order to overcome the shortcoming and defect existed in prior art, a kind of protect gallbladder take stone is the object of the present invention is to provide to operate sheath pipe, this operation sheath tubular construction is simple, economical and practical, and can remain that gallbladder operating walk way is open, the complication such as gallbladder and gallbladder mucosa damage can be reduced, shorten operating time, gallbladder chamber can be rinsed with water in time, be convenient to patient and appear surgical field of view.

Object of the present invention is achieved through the following technical solutions: a kind of protect gallbladder take stone operation sheath pipe, comprise sheath tube body and be sheathed on the sheath core in sheath tube body, the lateral wall of described sheath tube body offers scale and scale value, scale comprises long scale and short scale, four short scales are provided with between adjacent two long scales, distance between adjacent two long scales is 0.5cm, distance between adjacent two short scales is 0.1cm, scale value is arranged at the side of long scale, and arranges a scale value every two long scales from the front end of sheath tube body.

Preferably, the internal diameter of described sheath tube body is 8-12mm, and wall thickness is 0.5-0.7mm; The length of described sheath tube body is 4.5-5.5cm, and the length of described scale is 3.5-4.5cm; Or the length of described sheath tube body is 9-11cm, the length of described scale is 7-9cm.

Preferably, the both sides of described sheath tube body rear end are convexly equipped with respectively and hold up ear; The lateral wall of described sheath core and the medial wall of described sheath tube body inconsistent; The inside of described sheath core is hollow structure; The front end of described sheath core is blunt taper shape.The setting of ear is held up to be convenient to buttress sheath tube body; The external diameter of sheath corebe applicable toin the internal diameter of sheath tube body; Blunt conical setting facilitates in the insertion gallbladder of sheath core.

Preferably, described sheath tube body is obtained through injection moulding by medical polypropylene material, and described medical polypropylene material comprises the raw material of following weight portion:

Resin binder 80-120 part

Nucleator 0.5-1.5 part

Lubricant 0.5-2.5 part

Antioxidant 0.5-1.0 part;

Wherein, described resin binder comprises at least one in HOPP, atactic copolymerized polypropene and ethylene, propylene random copolymer; Described nucleator is three (3,4-dimethyl diphenyl methylene) sorbitol and/or two (to methyldiphenyl methylene) sorbitol; The mixture that described antioxidant is made up of with weight ratio 1:1-2 Hinered phenols antioxidant and phosphite ester kind antioxidant; Described lubricant comprises at least one in silicone oil, ptfe micropowder and Tissuemat E.

Sheath tube body of the present invention is obtained through injection moulding by medical polypropylene material, good toughness, and transparency is high, and properties all meets national standard.

Preferably, the mixture that is made up of with weight ratio 1:0.8-1.2:1.5-2.5 HOPP, atactic copolymerized polypropene and ethylene, propylene random copolymer of described resin binder.

Preferably, described HOPP be melt temperature 140-165 DEG C, melt flow rate (MFR) is at the HOPP of 5-50g/10min; Described atactic copolymerized polypropene be melt temperature 142-146 DEG C, melt flow rate (MFR) is at the atactic copolymerized polypropene of 15-30g/10min; Described ethylene, propylene random copolymer be ethylene contents 0.5-5%, melt temperature 140-165 DEG C, melt flow rate (MFR) is at the ethylene, propylene random copolymer of 6-30g/10min.

Preferably, described nucleator is the mixture be made up of with weight ratio 2-3:1 three (3,4-dimethyl diphenyl methylene) sorbitol and two (to methyldiphenyl methylene) sorbitol.

Preferably, the mixture that is made up of with weight ratio 1:1-2 antioxidant 1010 and irgasfos 168 of described antioxidant.

Preferably, the mixture that is made up of with weight ratio 1.6-2.4:0.5-1.5:1 silicone oil, ptfe micropowder and Tissuemat E of described lubricant.

Preferably, described silicone oil be viscosity at 50,000-100, the methyl phenyl silicone oil of 000; Described ptfe micropowder is particle diameter at the ptfe micropowder of 3-6 μm; Described Tissuemat E be viscosity in 500-35000mPas, density at 0.92-0.98g/cm²non-polar polyethylene wax.

Beneficial effect of the present invention is: sheath tube body lateral wall of the present invention offers scale and scale value, accurately can understand the degree of depth that choledochoscope enters gallbladder, structure is simple, economical and practical, and can remain that gallbladder operating walk way is open, the complication such as gallbladder and gallbladder mucosa damage can be reduced, shorten operating time, gallbladder chamber can be rinsed with water in time, be convenient to patient and appear surgical field of view.

Operation sheath pipe of the present invention has the following advantages: 1, prevent gallbladder mucosa from damaging; 2, set up the operating walk way in turnover gallbladder chamber, the convenient gallbladder that again passes in and out operates; 3, convenient and swift, save operating time; 4, directly can being developed by sheath mouth the microlith being less than 8mm, preventing microlith from entering cystic duct because rinsing; 5, wash down intracapsular bile of gallbladder fast, be convenient to mucosa and appear, keep surgical field of view clear; 6, convenient fixing and adjustment surgical field of view, for operation provides convenient and working place; 7, reduce flushing liquor, bile in art to enter abdominal cavity and cause postoperative seroperitoneum or abdominal cavity infection; 8, because there being scale, the degree of depth that choledochoscope enters gallbladder is accurately understood.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Reference numeral is: 1-sheath tube body, 2-scale, 21-long scale, 22-short scale, 3-scale value, 4-hold up ear, 5-sheath core.

Detailed description of the invention

For the ease of the understanding of those skilled in the art, do preferred explanation below in conjunction with embodiment and accompanying drawing 1 couple of the present invention, the content that embodiment is mentioned not is limitation of the invention.

Embodiment 1

See Fig. 1, a kind of protect gallbladder take stone operation sheath pipe, the sheath core 5 comprising sheath tube body 1 and be sheathed in sheath tube body 1, the lateral wall of described sheath tube body 1 offers scale 2 and scale value 3, scale 2 comprises long scale 21 and short scale 22, four short scales 22 are provided with between adjacent two long scales 21, distance between adjacent two long scales 21 is 0.5cm, distance between adjacent two short scales 22 is 0.1cm, scale value 3 is arranged at the side of long scale 21, and arranges a scale value 3 every two long scales 22 from the front end of sheath tube body 1.

In the present embodiment, the internal diameter of described sheath tube body 1 is 8mm, and wall thickness is 0.5mm; The length of described sheath tube body 1 is 4.5cm, and the length of described scale 2 is 3.5cm.

In the present embodiment, the both sides of described sheath tube body 1 rear end are convexly equipped with respectively holds up ear 4; The lateral wall of described sheath core 5 and the medial wall of described sheath tube body 1 inconsistent; The inside of described sheath core 5 is hollow structure; The front end of described sheath core 5 is blunt taper shape.

Sheath tube body 1 lateral wall of the present invention offers scale 2 and scale value 3, accurately can understand the degree of depth that choledochoscope enters gallbladder, structure is simple, economical and practical, and can remain that gallbladder operating walk way is open, the complication such as gallbladder and gallbladder mucosa damage can be reduced, shorten operating time, gallbladder chamber can be rinsed with water in time, be convenient to patient and appear surgical field of view.

When operation sheath pipe of the present invention uses, gallbladder cuts and sews up four pins, puts line, and lift line tail, after being inserted by the operation sheath pipe that sheath core 5 is housed, take out sheath core 5, put into choledochoscope, during work, hand-holdable ear 4 of holding up adjusts.If position of gallbladder is higher, cannot propose, rear selection 10cm sheath pipe can be cut and complete operation technique.

Operation sheath pipe of the present invention has the following advantages: 1, prevent gallbladder mucosa from damaging; 2, set up the operating walk way in turnover gallbladder chamber, the convenient gallbladder that again passes in and out operates; 3, convenient and swift, save operating time; 4, directly can being developed by sheath mouth the microlith being less than 8mm, preventing microlith from entering cystic duct because rinsing; 5, wash down intracapsular bile of gallbladder fast, be convenient to mucosa and appear, keep surgical field of view clear; 6, convenient fixing and adjustment surgical field of view, for operation provides convenient and working place; 7, reduce flushing liquor, bile in art to enter abdominal cavity and cause postoperative seroperitoneum or abdominal cavity infection; 8, because there being scale 2, the degree of depth that choledochoscope enters gallbladder is accurately understood.

In the present embodiment, described sheath tube body 1 is obtained through injection moulding by medical polypropylene material, and described medical polypropylene material comprises the raw material of following weight portion:

Resin binder 80 parts

Nucleator 0.5 part

Lubricant 0.5 part

0.5 part, antioxidant

Wherein, described resin binder is HOPP, described HOPP be melt temperature 140 DEG C, melt flow rate (MFR) is at the HOPP of 5g/10min.

Described nucleator is three (3,4-dimethyl diphenyl methylene) sorbitol.

Described lubricant is silicone oil, described silicone oil be viscosity 50, the methyl phenyl silicone oil of 000.

The mixture that described antioxidant is made up of with weight ratio 1:1 antioxidant 1010 and irgasfos 168.

Sheath tube body 1 of the present invention is obtained through injection moulding by medical polypropylene material, good toughness, and transparency is high, and properties all meets national standard.

Embodiment 2

The difference of the present embodiment and above-described embodiment 1 is: the internal diameter of described sheath tube body 1 is 9mm, and wall thickness is 0.6mm; The length of described sheath tube body 1 is 10cm, and the length of described scale 2 is 8cm.

Described sheath tube body 1 is obtained through injection moulding by medical polypropylene material, and described medical polypropylene material comprises the raw material of following weight portion:

Resin binder 90 parts

Nucleator 0.75 part

Lubricant 1 part

0.6 part, antioxidant;

Wherein, the mixture that is made up of with weight ratio 1:0.8:1.5 HOPP, atactic copolymerized polypropene and ethylene, propylene random copolymer of described resin binder.Described HOPP be melt temperature 145 DEG C, melt flow rate (MFR) is at the HOPP of 15g/10min; Described atactic copolymerized polypropene be melt temperature 142 DEG C, melt flow rate (MFR) is at the atactic copolymerized polypropene of 15g/10min; Described ethylene, propylene random copolymer is ethylene contents 0.5%, melt temperature 140 DEG C, melt flow rate (MFR) is at the ethylene, propylene random copolymer of 6g/10min.

Described nucleator is the mixture be made up of with weight ratio 2:1 three (3,4-dimethyl diphenyl methylene) sorbitol and two (to methyldiphenyl methylene) sorbitol.

The mixture that described antioxidant is made up of with weight ratio 1:1.2 antioxidant 1010 and irgasfos 168.

The mixture that described lubricant is made up of with weight ratio 1.6:0.5:1 silicone oil, ptfe micropowder and Tissuemat E.Described silicone oil be viscosity 60, the methyl phenyl silicone oil of 000; Described ptfe micropowder is particle diameter at the ptfe micropowder of 3 μm; Described Tissuemat E be viscosity in 500mPas, density at 0.92g/cm²non-polar polyethylene wax.

Embodiment 3

The difference of the present embodiment and above-described embodiment 1 is: the internal diameter of described sheath tube body 1 is 10mm, and wall thickness is 0.7mm; The length of described sheath tube body 1 is 5cm, and the length of described scale 2 is 4cm.

Described sheath tube body 1 is obtained through injection moulding by medical polypropylene material, and described medical polypropylene material comprises the raw material of following weight portion:

Resin binder 100 parts

Nucleator 1 part

Lubricant 1.5 parts

0.7 part, antioxidant;

Wherein, the mixture that is made up of with weight ratio 1:1:2 HOPP, atactic copolymerized polypropene and ethylene, propylene random copolymer of described resin binder.Described HOPP be melt temperature 150 DEG C, melt flow rate (MFR) is at the HOPP of 25g/10min; Described atactic copolymerized polypropene be melt temperature 144 DEG C, melt flow rate (MFR) is at the atactic copolymerized polypropene of 22g/10min; Described ethylene, propylene random copolymer is ethylene contents 2.5%, melt temperature 152 DEG C, melt flow rate (MFR) is at the ethylene, propylene random copolymer of 18g/10min.

Described nucleator is the mixture be made up of with weight ratio 2.5:1 three (3,4-dimethyl diphenyl methylene) sorbitol and two (to methyldiphenyl methylene) sorbitol.

The mixture that described antioxidant is made up of with weight ratio 1:1.5 antioxidant 1010 and irgasfos 168.

The mixture that described lubricant is made up of with weight ratio 2:1:1 silicone oil, ptfe micropowder and Tissuemat E.Described silicone oil be viscosity 70, the methyl phenyl silicone oil of 000; Described ptfe micropowder is particle diameter at the ptfe micropowder of 4 μm; Described Tissuemat E be viscosity in 17000mPas, density at 0.95g/cm²non-polar polyethylene wax.

Embodiment 4

The difference of the present embodiment and above-described embodiment 1 is: the internal diameter of described sheath tube body 1 is 11mm, and wall thickness is 0.6mm; The length of described sheath tube body 1 is 5.5cm, and the length of described scale 2 is 4.5cm.

Described sheath tube body 1 is obtained through injection moulding by medical polypropylene material, and described medical polypropylene material comprises the raw material of following weight portion:

Resin binder 110 parts

Nucleator 1.25 parts

Lubricant 2 parts

0.8 part, antioxidant;

Wherein, the mixture that is made up of with weight ratio 1:1.2:2.5 HOPP, atactic copolymerized polypropene and ethylene, propylene random copolymer of described resin binder.Described HOPP be melt temperature 155 DEG C, melt flow rate (MFR) is at the HOPP of 35g/10min; Described atactic copolymerized polypropene be melt temperature 146 DEG C, melt flow rate (MFR) is at the atactic copolymerized polypropene of 30g/10min; Described ethylene, propylene random copolymer is ethylene contents 5%, melt temperature 165 DEG C, melt flow rate (MFR) is at the ethylene, propylene random copolymer of 30g/10min.

Described nucleator is the mixture be made up of with weight ratio 3:1 three (3,4-dimethyl diphenyl methylene) sorbitol and two (to methyldiphenyl methylene) sorbitol.

The mixture that described antioxidant is made up of with weight ratio 1:1.8 antioxidant 1010 and irgasfos 168.

The mixture that described lubricant is made up of with weight ratio 2.4:1.5:1 silicone oil, ptfe micropowder and Tissuemat E.Described silicone oil be viscosity 80, the methyl phenyl silicone oil of 000; Described ptfe micropowder is particle diameter at the ptfe micropowder of 6 μm; Described Tissuemat E be viscosity in 35000mPas, density at 0.98g/cm²non-polar polyethylene wax.

Embodiment 5

The difference of the present embodiment and above-described embodiment 1 is: the internal diameter of described sheath tube body 1 is 12mm, and wall thickness is 0.7mm; The length of described sheath tube body 1 is 10cm, and the length of described scale 2 is 8cm.

Described sheath tube body 1 is obtained through injection moulding by medical polypropylene material, and described medical polypropylene material comprises the raw material of following weight portion:

Resin binder 120 parts

Nucleator 1.5 parts

Lubricant 2.5 parts

1.0 parts, antioxidant;

Wherein, described resin binder is atactic copolymerized polypropene, described atactic copolymerized polypropene be melt temperature 146 DEG C, melt flow rate (MFR) is at the atactic copolymerized polypropene of 30g/10min.

Described nucleator is two (to methyldiphenyl methylene) sorbitol.

The mixture that described antioxidant is made up of with weight ratio 1:2 antioxidant 1010 and irgasfos 168.

Described lubricant is ptfe micropowder, and described ptfe micropowder is particle diameter at the ptfe micropowder of 6 μm.

Above-described embodiment is the present invention's preferably implementation, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.

Claims (10)

1. a protect gallbladder take stone operation sheath pipe, comprise sheath tube body and be sheathed on the sheath core in sheath tube body, it is characterized in that: the lateral wall of described sheath tube body offers scale and scale value, scale comprises long scale and short scale, four short scales are provided with between adjacent two long scales, distance between adjacent two long scales is 0.5cm, distance between adjacent two short scales is 0.1cm, scale value is arranged at the side of long scale, and arranges a scale value every two long scales from the front end of sheath tube body.

2. a kind of protect gallbladder take stone operation sheath pipe according to claim 1, is characterized in that: the internal diameter of described sheath tube body is 8-12mm, and wall thickness is 0.5-0.7mm; The length of described sheath tube body is 4.5-5.5cm, and the length of described scale is 3.5-4.5cm; Or the length of described sheath tube body is 9-11cm, the length of described scale is 7-9cm.

3. a kind of protect gallbladder take stone operation sheath pipe according to claim 1, is characterized in that: the both sides of described sheath tube body rear end are convexly equipped with respectively holds up ear; The lateral wall of described sheath core and the medial wall of described sheath tube body inconsistent; The inside of described sheath core is hollow structure; The front end of described sheath core is blunt taper shape.

4. a kind of protect gallbladder take stone operation sheath pipe according to claim 1, is characterized in that: described sheath tube body is obtained through injection moulding by medical polypropylene material, and described medical polypropylene material comprises the raw material of following weight portion:

Resin binder 80-120 part

Nucleator 0.5-1.5 part

Lubricant 0.5-2.5 part

Antioxidant 0.5-1.0 part;

Wherein, described resin binder comprises at least one in HOPP, atactic copolymerized polypropene and ethylene, propylene random copolymer; Described nucleator is three (3,4-dimethyl diphenyl methylene) sorbitol and/or two (to methyldiphenyl methylene) sorbitol; The mixture that described antioxidant is made up of with weight ratio 1:1-2 Hinered phenols antioxidant and phosphite ester kind antioxidant; Described lubricant comprises at least one in silicone oil, ptfe micropowder and Tissuemat E.

5. a kind of protect gallbladder take stone operation sheath pipe according to claim 4, is characterized in that: the mixture that described resin binder is made up of with weight ratio 1:0.8-1.2:1.5-2.5 HOPP, atactic copolymerized polypropene and ethylene, propylene random copolymer.

6. a kind of protect gallbladder take stone operation sheath pipe according to claim 4, is characterized in that: described HOPP be melt temperature 140-165 DEG C, melt flow rate (MFR) is at the HOPP of 5-50g/10min; Described atactic copolymerized polypropene be melt temperature 142-146 DEG C, melt flow rate (MFR) is at the atactic copolymerized polypropene of 15-30g/10min; Described ethylene, propylene random copolymer be ethylene contents 0.5-5%, melt temperature 140-165 DEG C, melt flow rate (MFR) is at the ethylene, propylene random copolymer of 6-30g/10min.

7. a kind of protect gallbladder take stone operation sheath pipe according to claim 4, it is characterized in that: described nucleator is the mixture be made up of with weight ratio 2-3:1 three (3,4-dimethyl diphenyl methylene) sorbitol and two (to methyldiphenyl methylene) sorbitol.

8. a kind of protect gallbladder take stone operation sheath pipe according to claim 4, is characterized in that: the mixture that described antioxidant is made up of with weight ratio 1:1-2 antioxidant 1010 and irgasfos 168.

9. a kind of protect gallbladder take stone operation sheath pipe according to claim 4, is characterized in that: the mixture that described lubricant is made up of with weight ratio 1.6-2.4:0.5-1.5:1 silicone oil, ptfe micropowder and Tissuemat E.

10. a kind of protect gallbladder take stone operation sheath pipe according to claim 4, is characterized in that: described silicone oil be viscosity at 50,000-100, the methyl phenyl silicone oil of 000; Described ptfe micropowder is particle diameter at the ptfe micropowder of 3-6 μm; Described Tissuemat E be viscosity in 500-35000mPas, density at 0.92-0.98g/cm²non-polar polyethylene wax.