CN102579112A - Pyloric muscle incision knife used for laparoscope pyloric circular muscle otomy of neonate - Google Patents
Pyloric muscle incision knife used for laparoscope pyloric circular muscle otomy of neonate Download PDFInfo
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- CN102579112A CN102579112A CN2011100029010A CN201110002901A CN102579112A CN 102579112 A CN102579112 A CN 102579112A CN 2011100029010 A CN2011100029010 A CN 2011100029010A CN 201110002901 A CN201110002901 A CN 201110002901A CN 102579112 A CN102579112 A CN 102579112A
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- knife
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- neonate
- cutter hub
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Abstract
The invention relates to a pyloric muscle incision knife used for the laparoscope pyloric circular muscle of a neonate, comprising a shell and a knife body. The shell consists of a knife handle with a thick diameter and a scabbard with a thin diameter, and the knife body is coaxially inserted in the scabbard. The pyloric muscle incision knife used for the laparoscope pyloric circular muscle of the neonate has the following innovation points: a knife head at the front end of the knife body is arc-shaped, an adjusting handle inserting in the knife handle is connected and installed at the tail end of the knife body, and the knife body is controlled by the adjusting handle to conduct multi-level adjustment. The pyloric muscle incision knife is rational in design, simple and convenient to operate, safe in use, and particularly suitable for the laparoscopic surgery of the neonate, and due to the use of the improved incision knife, the safe coefficient when the incision knife is used is increased, the probability of occurrence of complications can be reduced, and also a pyloric muscle stripper can be replaced, the operation steps are reduced, and the operation time is shortened.
Description
Technical field
The present invention relates to field of medical appliances, the pylorus sarcoma that especially a kind of suitable neonate peritoneoscope pyloric ring myotomy is used.
Background technology
The congenital hypertrophic pyloric stenosis that is caused by the plump hypertrophy of pylorus circular muscle is the neonatal period common disease, and the treatment congenital hypertrophic pyloric stenosis adopts pyloric ring myotomy (Fredet-Ramstedt operation) usually.Along with the raising of laparoscopic surgery technology and the improvement of equipment, it also is applied to treat congenital hypertrophic pyloric stenosis gradually, and the completion of laparoscopic surgery must be by peritoneoscope and related surgical apparatus thereof; Whether operating theater instruments convenient uses, safety whether; To tissue injury's size, particularly important in laparoscopic surgery, existing incision knife receives structural limitations and has use hidden danger: 1, pyloric ring sarcoma cutter head is more sharp-pointed; It is longer that cutter head leans out sheath; Therefore the degree of depth is difficult for grasping when cutting the pylorus circular muscle, is prone to cause the pylorus mucosa injury, even leads to complications; 2, cutting knife is adult's laparoscopic surgical instruments, cutting knife total length 45cm, and sheath diameter 5mm is not suitable for neonate and young infant and uses; 3, to stretch out the length of sheath be definite value to the cutting knife cutter head, can not adjust according to the difference of each patient's pylorus flesh thickness, do not have adjustability.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of pylorus sarcoma that uses can avoid pylorus mucosa suitable neonate impaired, that can shorten operating time and can select cutter head to go out sheath length as required voluntarily to carry out peritoneoscope pyloric ring myotomy the time is provided.
The present invention solves its technical problem and realizes through following technical scheme:
The pylorus sarcoma that a kind of neonate peritoneoscope pyloric ring myotomy is used; Comprise that shell and cutter hub constitute, shell is made up of diameter thicker handle of a knife and the thinner sheath of diameter, is connected through conical section between handle of a knife and the sheath; Cutter hub is coaxial to be plugged in the sheath; It is characterized in that: the cutter head of cutter hub front end is the arc cutter head, and the cutter hub tail end is connected and installed the regulating handle that is plugged in the handle of a knife, cutter hub by this regulating handle control carry out many grades adjustable.
And; The expansion link of the inner roof pressure of said regulating handle in being installed in handle of a knife; The other end of this expansion link and the tail end of cutter hub install, and are set with a stage clip in the junction of expansion link and cutter hub, on expansion link, are shaped on two elasticity spacing preiections side by side; On handle of a knife, be shaped on spacing hole, on this spacing hole, SR be installed.
And the distance that said cutter head stretches out sheath is two grades of 3mm or 5mm.
And, described incision knife total length 30cm, sheath diameter 3mm.
Advantage of the present invention and beneficial effect are:
1, the cutter head of this pylorus incision knife changes dise knife into by sharp knife, and cutter to go out the length of sheath also less owing to have angle between cutting knife and the pylorus; Therefore depth of cut is no more than 4mm; According to diagnostic criteria, baby's pylorus flesh thickness of suffering from primary disease is greater than 5mm, so cutting knife can not injure the pylorus mucosa.Therefore the safety that has improved operation process has reduced the probability of happening of complication.
2, this pylorus incision knife total length 30cm, sheath diameter 3mm is to design according to the abdominal cavity volume average behind the neonate pneumoperitoneum, therefore is fit to neonate and young infant and uses.
3, the cutter hub of this pylorus incision knife is adjustable design; Cutter head can stretch out sheath 3mm or 5mm, and therefore can visit the different pylorus flesh thickness of each infant that reaches and select to use (the general pylorus flesh of infant thickness is 5-8mm) according to B ultrasonic before the operation, be 5mm like pylorus flesh thickness; Choosing cutting knife length is 3mm; Like pylorus flesh thickness＞5mm, choosing cutting knife length is 5mm, helps guaranteeing that operation process is accurate, quick, safety.
5, the present invention is widely used, and uses when being fit to that not only neonate carried out peritoneoscope pyloric ring myotomy, and can also be applied in other laparoscopic surgeries; Not only can do incision knife and use, can also be used as detacher, operative site dissected peel off or separate when cutter head is retracted into sheath.
6, the present invention is a kind of reasonable in design, easy and simple to handle, safe in utilization; Especially be fit to neonate is carried out laparoscopic surgery; Cutting knife after use improves has not only increased the safety coefficient in the use, has reduced the probability of happening of complication; Need not change operating theater instruments but also can substitute in pylorus flesh detacher, the art, reduce operating procedure, shorten operating time.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the cutaway view of Fig. 1;
Fig. 4 is the cutaway view (cutter hub withdrawal) of Fig. 1.
The specific embodiment
Through specific embodiment the present invention is made further detailed description below, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
The pylorus sarcoma that a kind of neonate peritoneoscope pyloric ring myotomy is used comprises that shell and cutter hub 6 constitute, and shell is made up of diameter thicker handle of a knife 2 and the thinner sheath 5 of diameter; Be connected through conical section 4 between handle of a knife and the sheath; This part likeness in form screwdriver when cutter hub is retracted into sheath, is inserted flesh layer otch with sheath; Rotate a little and get final product the horizontal expansion otch, help the pylorus elastic separating plier and insert incision operation.Cutter hub is coaxial to be plugged in the sheath.The incision knife specification is a particular design, and the cutter head of cutter hub front end is the arc cutter head, can avoid cutter head to stab the pylorus mucosa, and its total length of incision knife is 30cm, and sheath diameter 3mm is neonate or the special-purpose surgical knife of young infant.
The cutter hub tail end is connected and installed the regulating handle 1 that is plugged in the handle of a knife, cutter hub by this regulating handle control carry out many grades adjustable.The distance that cutter head can stretch out sheath is two grades of 3mm or 5mm.Its concrete mounting structure is: on the expansion link 7 of the inner roof pressure of regulating handle in being installed in handle of a knife; The other end of this expansion link and the tail end of cutter hub install; Be set with a stage clip 10 in the junction of expansion link and cutter hub; On expansion link, be shaped on two elasticity spacing preiections 8 side by side, this elasticity spacing preiection bottom all is equipped with stage clip 9.On handle of a knife, be shaped on spacing hole, SR 3 is installed on this spacing hole.
During use, press regulating handle, make the whole reach of cutter hub, first elasticity spacing preiection on the expansion link is flush-mounted in the spacing hole place of handle of a knife, and this moment, cutter head stretched out sheath apart from being 3mm; Continue to press regulating handle, make cutter hub continue reach, second elasticity spacing preiection on the expansion link is flush-mounted in the spacing hole place of handle of a knife, and this moment, cutter head stretched out sheath apart from being 5mm; Press SR, SR contacts the elasticity spacing preiection, and expansion link drives cutter hub and regulating handle withdrawal in the compression spring effect, makes it return back to initial position.
Gear setting in the present embodiment can guarantee can also adopt between gear switching button and the cutter hub other modes to connect, as long as can play the gear translation function.
This incision knife is widely used, and uses when being fit to that not only neonate carried out peritoneoscope pyloric ring myotomy, and can also be applied in other laparoscopic surgeries; Not only can do incision knife and use, and can also be used as the peeling operation device, operative site dissected peel off or separate.
Claims (4)
1. the pylorus sarcoma that uses of a neonate peritoneoscope pyloric ring myotomy; Comprise that shell and cutter hub constitute, shell is made up of diameter thicker handle of a knife and the thinner sheath of diameter, is connected through conical section between handle of a knife and the sheath; Cutter hub is coaxial to be plugged in the sheath; It is characterized in that: the cutter head of cutter hub front end is the arc cutter head, the cutter hub tail end be connected and installed one be plugged in handle of a knife regulating handle, cutter hub by this regulating handle control carry out many grades adjustable.
2. the pylorus sarcoma that neonate peritoneoscope pyloric ring myotomy according to claim 1 is used; It is characterized in that: the expansion link of the inner roof pressure of said regulating handle in being installed in handle of a knife; The other end of this expansion link and the tail end of cutter hub install, and are set with a stage clip in the junction of expansion link and cutter hub, on expansion link, are shaped on two elasticity spacing preiections side by side; On handle of a knife, be shaped on spacing hole, on this spacing hole, SR be installed.
3. the pylorus sarcoma that neonate peritoneoscope pyloric ring myotomy according to claim 1 is used is characterized in that: the distance that said cutter head stretches out sheath is two grades of 3mm or 5mm.
4. the pylorus sarcoma that neonate peritoneoscope pyloric ring myotomy according to claim 1 is used is characterized in that: described incision knife total length 30cm, sheath diameter 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100029010A CN102579112A (en) | 2011-01-07 | 2011-01-07 | Pyloric muscle incision knife used for laparoscope pyloric circular muscle otomy of neonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100029010A CN102579112A (en) | 2011-01-07 | 2011-01-07 | Pyloric muscle incision knife used for laparoscope pyloric circular muscle otomy of neonate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102579112A true CN102579112A (en) | 2012-07-18 |
Family
ID=46468742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100029010A Pending CN102579112A (en) | 2011-01-07 | 2011-01-07 | Pyloric muscle incision knife used for laparoscope pyloric circular muscle otomy of neonate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102579112A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132600Y (en) * | 1992-09-26 | 1993-05-12 | 樊杰 | Pen with knife |
| CN200948169Y (en) * | 2006-09-08 | 2007-09-19 | 上海交通大学医学院附属新华医院 | Fulguration knife for cutting muscle layer of celioscope pylorus |
| US20070288043A1 (en) * | 2006-06-08 | 2007-12-13 | Rehnke Robert D | Instruments and method for minimally invasive carpal tunnel release |
| CN201179096Y (en) * | 2008-03-31 | 2009-01-14 | 张明喜 | Operating knife |
-
2011
- 2011-01-07 CN CN2011100029010A patent/CN102579112A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132600Y (en) * | 1992-09-26 | 1993-05-12 | 樊杰 | Pen with knife |
| US20070288043A1 (en) * | 2006-06-08 | 2007-12-13 | Rehnke Robert D | Instruments and method for minimally invasive carpal tunnel release |
| CN200948169Y (en) * | 2006-09-08 | 2007-09-19 | 上海交通大学医学院附属新华医院 | Fulguration knife for cutting muscle layer of celioscope pylorus |
| CN201179096Y (en) * | 2008-03-31 | 2009-01-14 | 张明喜 | Operating knife |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |