CN108078609B - Clamping device for cecum surgery - Google Patents
Clamping device for cecum surgery Download PDFInfo
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- CN108078609B CN108078609B CN201611020712.5A CN201611020712A CN108078609B CN 108078609 B CN108078609 B CN 108078609B CN 201611020712 A CN201611020712 A CN 201611020712A CN 108078609 B CN108078609 B CN 108078609B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00818—Treatment of the gastro-intestinal system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B2017/2808—Clamp, e.g. towel clamp
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention discloses a clamping device for cecum surgery, which is used for clamping cecum and comprises: a holding body having a head end and a tail end; two pliers bodies which are pivoted at the head end of the holding body in a mode of relative arrangement; and a mobile group including a first mobile body and a second mobile body. When the cecum needs to be clamped by the two forceps bodies, the first moving body moves towards the head end of the holding body, and when the cecum needs to be clamped by the two forceps bodies, the cecum is clamped by the two forceps bodies and cannot be automatically loosened; when the cecum needs to be loosened, the second moving body is moved to enable the second moving body to move to the second preset position, and the two clamp bodies can automatically pivot to enable the two clamp bodies to be in a loose state so as to loosen the cecum.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a clamping device for cecum surgery.
Background
When the cecum surgical operation is performed, the clamping device in the prior art is in a stepless clamping state when clamping the cecum, namely the clamping forceps always need to be held by a hand of a person, otherwise, the forceps body cannot be kept in the clamping state, and an opening of the operation cannot provide enough space for the hand of the person, so that the difficulty of the operation is increased.
In view of the above-mentioned drawbacks, it is necessary to provide a clamping device capable of automatically maintaining a clamped state of a caliper body.
Disclosure of Invention
In view of the above technical problems in the prior art, the present invention provides a clamping device for cecum surgery.
In order to solve the technical problems, the invention adopts the technical scheme that:
a clamping device for cecum surgery for clamping a cecum, comprising:
a holding body having a head end and a tail end;
two pliers bodies which are pivoted at the head end of the holding body in a mode of relative arrangement;
and the moving group comprises a first moving body and a second moving body, wherein the first moving body and the second moving body can move linearly towards the head end and the tail end of the holding body, so that when the first moving body moves to a first preset position towards the head end of the holding body, the first moving body enables the two clamp bodies to be kept in a clamping state, and when the second moving body moves to a second preset position towards the head end of the holding body, the two clamp bodies can be in a loose state of relative pivoting.
Preferably, a first chamber is formed in the holding body, the first moving body penetrates through the first chamber, a first piston is arranged on a part of the first moving body, which is located in the first chamber, and divides the first chamber into a left closed chamber and a right closed chamber, and a first passage communicating the left chamber with the right chamber is formed in the holding body; wherein:
when the first moving body moves to a first preset position towards the head end of the holding body, the first moving body forces the head ends of the two clamp bodies to approach, and simultaneously the first moving body cuts off the first channel.
Preferably, the first moving body is provided with a second chamber, a head end of the second moving body extends into the second chamber, a second channel is provided in the second moving body, two ends of the second channel are respectively communicated with the left chamber and the right chamber, wherein:
when the second moving body moves to a second predetermined position toward the head end of the holding body, the second moving body makes the second passage conductive.
Preferably, the first moving body controls the on-off of the first channel through the first control assembly; the first control assembly comprises a telescopic rod group which is linked with the first moving body and used for pushing the tail end of the clamp body, two electromagnets, a push rod, a first valve core and an inclined block which are oppositely arranged; wherein:
the holding body is provided with a first guide cavity in the direction perpendicular to the moving direction of the first moving body, and a second guide cavity and a first valve cavity in the direction parallel to the moving direction of the first moving body; the first valve cavity is formed on the first channel, the push rod is arranged in the first guide cavity, the inclined block is arranged in the second guide cavity, the first valve core is arranged in the first valve cavity, the first valve core is connected with the inclined block through the first valve rod, when the first valve core is positioned at one end, close to the tail end of the retaining body, of the first valve cavity, the first valve core blocks the first channel, when the first valve core is positioned at one end, close to the head end of the retaining body, of the first valve cavity, the first valve core enables the first channel to be communicated, the upper end of the push rod is abutted to the inclined plane of the inclined block, and the lower end of the push rod and the tail end of the clamp body are respectively provided with two electromagnets; when the first moving body moves to a first preset position towards the tail end of the holding body, the first moving body forces the telescopic rod group to extend to push the tail end of the pincer body, the pincer body pushes the push rod to move upwards through repulsive force of the two electromagnets, and the upper end of the push rod pushes the inclined block to move towards the tail end of the holding body through matching with the inclined plane to drive the first valve core to move so as to block the first channel.
Preferably, the second moving body controls the on-off of the second channel through a second control assembly; the second control assembly includes a second valve stem and a second valve spool; the second moving body is internally provided with a second valve cavity perpendicular to the moving direction of the second moving body, the second valve cavity is formed on the second passage, the second valve core is arranged in the second valve cavity, when the second valve core moves to the upper end of the second valve cavity, the second passage is communicated, when the second valve core moves to the lower end, the second passage is blocked, and the second valve is opened. The upper end of the rod is connected with the second valve core, wherein:
and the second moving body is provided with a bulge, and when the second moving body moves to a second preset position towards the head end of the holding body, the bulge pushes the second valve rod, so that the second valve rod pushes the second valve core to move upwards to conduct the second channel.
Preferably, the head end of the second moving body is provided with a second piston, the second chamber extends to the head end of the first moving body and forms a throat for ejecting the liquid at the head end, so that the head end of the first moving body sucks the liquid into the second chamber when the second moving body moves toward the tail end of the holding body, and so that the liquid is ejected from the head end of the first moving body when the second moving body moves toward the head end of the holding body.
Preferably, the first valve chamber is provided with a first spring for pushing the first valve core towards the head end of the retainer body; and a second spring is arranged in the second valve cavity and used for pushing the second valve core downwards.
Compared with the prior art, the clamping device for the cecum operation has the beneficial effects that: when the cecum needs to be clamped by the two forceps bodies, the first moving body moves towards the head end of the holding body, and when the cecum needs to be clamped by the two forceps bodies, the cecum is clamped by the two forceps bodies and cannot be automatically loosened; when the cecum needs to be loosened, the second moving body is moved to enable the second moving body to move to the second preset position, and the two clamp bodies can automatically pivot to enable the two clamp bodies to be in a loose state so as to loosen the cecum.
Drawings
FIG. 1 is a schematic structural view of a clamp body of the clamping device for cecum operation in a clamping state;
FIG. 2 is an enlarged partial schematic view of FIG. 1;
FIG. 3 is a schematic structural view of a second channel of the clamping device for cecum surgery of the present invention in a conducting state;
fig. 4 is a schematic structural view of a clamp body of the clamping device for cecum surgery of the invention in a relaxed state.
In the figure:
10-a holding body; 20-a first mobile body; 21-a first piston; 22-left chamber; 23-right chamber; 24-a first channel; 30-a second mobile body; 31-a second piston; 32-a second chamber; 33-a second channel; 34-necking; 35-a bump; 40-a clamp body; 50-a telescopic rod group; 51-a telescopic ejector rod; 61-an electromagnet; 62-a first valve stem; 63-a push rod; 64-a sloping block; 65-a second valve spool; 66-a first spring; 71-a second spool; 72-second valve stem.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, the present invention discloses a clamping device for cecum surgery, which is used for clamping cecum and comprises: a holding body 10 having a head end and a tail end; two forceps bodies 40 pivoted to the head end of the holding body 10 in an opposed manner; and a moving group including a first moving body 20 and a second moving body 30, each of the first moving body 20 and the second moving body 30 being linearly movable in a head end and a tail end direction of the holding body 10, such that when the first moving body 20 moves to a first predetermined position toward the head end of the holding body 10, the first moving body 20 causes the two caliper bodies 40 to be held in a clamped state, and when the second moving body 30 moves to a second predetermined position toward the head end of the holding body 10, the two caliper bodies 40 are allowed to be in a relaxed state of relative pivoting. As described above, as shown in fig. 1, when the cecum needs to be clamped by the two forceps bodies 40, the first moving body 20 is moved toward the head end of the holding body 10, and when the cecum is moved to the first predetermined position, the cecum is clamped by the two forceps bodies 40 without being automatically loosened; when the cecum needs to be loosened, the second moving body 30 is moved to the second preset position, and the two clamp bodies 40 can automatically pivot so that the two clamp bodies 40 are in a loose state to loosen the cecum.
It should be noted that: the first predetermined position of the first moving body 20 and the second predetermined position of the second moving body 30 described above specifically refer to: the predetermined position is calculated, that is, the predetermined position is a predetermined trigger position for allowing the clamp body 40 to perform clamping and releasing.
In a preferred embodiment of the present invention, as shown in fig. 1, a first chamber is formed in the holding body 10, the first moving body 20 penetrates through the first chamber, a first piston 21 is disposed in a portion of the first moving body 20 located in the first chamber, the first piston 21 divides the first chamber into a left chamber 22 and a right chamber 23 which are closed, and a first passage 24 communicating the left chamber 22 and the right chamber 23 is formed in the holding body 10; wherein: when the first moving body 20 moves to the first predetermined position toward the head end of the holding body 10, the first moving body 20 forces the head ends of the two caliper bodies 40 to approach each other, and the first moving body 20 blocks the first passage 24. The first moving body 20 is provided with a second chamber 32, the head end of the second moving body 30 extends into the second chamber 32, the first moving body 20 is provided with a second channel 33, two ends of the second channel 33 are respectively communicated with the left chamber 22 and the right chamber 23, wherein: when the second mover 30 moves to the second predetermined position toward the head end of the holding body 10, the second mover 30 makes the second passage 33 conductive.
In this way, when the first passage 24 communicating the left chamber 22 and the right chamber 23 is blocked by the movement of the first moving body 20, the air in the left chamber 22 and the right chamber 23 cannot flow therebetween, so that the first moving body 20 is kept stationary, and the caliper body 40 is kept in the clamped state; when the first passage 24 communicating the left chamber 22 and the right chamber 23 is conducted by the movement of the second moving body 30, the air in the left chamber 22 and the right chamber 23 flows to each other, so that the first moving body 20 can move freely, and the caliper body 40 is opened to a relaxed state. Here, the first predetermined position is a position where the first mobile body 20 triggers the first channel 24 to be blocked, and the second predetermined position is a position where the second mobile body 30 triggers the second channel 33 to be conducted.
Specifically, as shown in fig. 1, the first moving body 20 controls the on/off of the first channel 24 through a first control assembly; the first control assembly comprises a telescopic rod group 50 which is linked with the first moving body 20 and is used for pushing the tail end of the clamp body 40, two electromagnets 61, a push rod 63, a first valve rod 62, a first valve core 65 and an inclined block 64 which are arranged oppositely; wherein: the holding body 10 is provided with a first guide cavity in the direction perpendicular to the moving direction of the first moving body 20, and a second guide cavity and a first valve cavity in the direction parallel to the moving direction of the first moving body 20; the first valve cavity is formed on the first channel 24, the push rod 63 is arranged in the first guide cavity, the oblique block 64 is arranged in the second guide cavity, the first valve core 65 is arranged in the first valve cavity, the first valve core 65 is connected with the oblique block 64 through the first valve rod 62, when the first valve core 65 is positioned at one end of the first valve cavity close to the tail end of the holding body 10, the first valve core 65 blocks the first channel 24, when the first valve core 65 is positioned at one end of the first valve cavity close to the head end of the holding body 10, the first valve core 65 enables the first channel 24 to be communicated, the upper end of the push rod 63 is abutted against the oblique plane of the oblique block 64, and the lower end of the push rod 63 and the tail end of the clamp body 40 are respectively provided with two electromagnets; when the first moving body 20 moves to a first predetermined position toward the head end of the holding body 10, the first moving body 20 forces the telescopic rod set 50 to extend to push the tail end of the pincer body 40, the pincer body 40 pushes the push rod 63 to move upwards by the repulsive force of the two electromagnets 61, and the upper end of the push rod 63 moves toward the tail end of the holding body 10 by the push-and-hold oblique block 64 matched with the inclined surface to drive the first valve core 65 to move so as to block the first passage 24. As shown in fig. 2 and 3, the second moving body 30 controls the opening and closing of the second channel 33 by the second control unit; the second control assembly comprises a second valve stem 72 and a second valve spool 71; the first moving body 20 has a second valve cavity perpendicular to the moving direction of the second moving body 30, the second valve cavity is formed on the second passage 33, the second valve core 71 is arranged in the second valve cavity, when the second valve core 71 moves to the upper end of the second valve cavity, the second passage 33 is conducted, when the second valve core 71 moves to the lower end, the second passage 33 is blocked, and the upper end of the second valve rod 72 is connected with the second valve core 71, wherein: the second moving body 30 is provided with a protrusion 35, when the second moving body 30 moves to a second predetermined position towards the head end of the holding body 10, the protrusion 35 pushes the second valve rod 72, so that the second valve rod 72 pushes the second valve core 71 to move upwards to conduct the second channel 33. In this way, the first movable body 20 can hold the clamp body 40 in the clamped state by the first control means, and the second movable body 30 can relax the clamp body 40 after clamping by the second control means.
In a preferred embodiment of the present invention, the head end of the second moving body 30 is provided with a second piston 31, and the second chamber 32 extends to the head end of the first moving body 20 and forms a throat 34 for ejecting the liquid at the head end, so that the head end of the first moving body 20 sucks the liquid into the second chamber 32 when the second moving body 30 moves toward the tail end of the holding body 10, and so that the liquid is ejected from the head end of the first moving body 20 when the second moving body 30 moves toward the head end of the holding body 10. According to the clamping device for the cecum operation, the first moving body 20 enables the clamp body 40 to clamp the cecum and keep a clamping state, then the liquid medicine sucked into the second chamber 32 is pushed against the second moving body 30 to be sprayed to the cecum to clean the cecum, when the second piston 31 is pushed against the head end of the second chamber 32, the protrusion 35 just pushes against the second valve core 71, the second channel 33 is conducted, the first moving body 20 can move freely, the clamp body 40 is loosened, and the function of clamping the clamp is achieved.
Preferably, the first valve chamber is provided with a first spring 66, the first spring 66 being adapted to push the first valve spool 65 towards the head end of the holding body 10; a second spring is arranged in the second valve chamber for pushing the second valve spool 71 downwards. The first spring 66 and the second spring provide a return for the first spool 65 and the second spool 71.
It should be noted that: the structure of the telescopic rod set 50 may be various, for example, it includes a cylinder, the cylinder is provided with saw teeth, the upper and lower ends of the cylinder are provided with telescopic rods 51, the telescopic rods 51 are engaged with the saw teeth, and the outer wall of the cylinder is engaged with the first moving body 20. In this way, when the first movable body 20 moves, the cylinder is opened and rotated, and the saw teeth of the cylinder and the telescopic rod 51 are dislocated, so that the extension length of the telescopic rod 51 is increased, and the entire length of the telescopic rod group 50 is increased.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (3)
1. A clamping device for cecum surgery for clamping a cecum, comprising:
a holding body having a head end and a tail end;
two pliers bodies which are pivoted at the head end of the holding body in a mode of relative arrangement;
a moving group including a first moving body and a second moving body, each of which is linearly movable in a head end and a tail end direction of the holding body, such that when the first moving body moves to a first predetermined position toward the head end of the holding body, the first moving body holds the both forceps bodies in a clamped state, and when the second moving body moves to a second predetermined position toward the head end of the holding body, the both forceps bodies are allowed to be in a relaxed state in which they are relatively pivoted;
a first chamber is formed in the holding body, the first moving body penetrates through the first chamber, a first piston is arranged on the part, located in the first chamber, of the first moving body, the first chamber is divided into a left closed chamber and a right closed chamber by the first piston, and a first channel communicated with the left chamber and the right chamber is formed in the holding body; wherein:
when the first moving body moves to a first preset position towards the head end of the holding body, the first moving body forces the head ends of the two clamp bodies to approach, and simultaneously the first moving body cuts off the first channel;
the first moving body is provided with a second cavity, the head end of the second moving body extends into the second cavity, a second channel is formed in the first moving body, two ends of the second channel are respectively communicated with the left cavity and the right cavity, and the first moving body is provided with a first channel, a second channel and a third channel, wherein:
when the second moving body moves to a second predetermined position toward the head end of the holding body, the second moving body makes the second passage conductive;
the first moving body controls the on-off of the first channel through a first control assembly; the first control assembly comprises a telescopic rod group which is linked with the first moving body and used for pushing the tail end of the clamp body, two electromagnets, a push rod, a first valve core and an inclined block which are oppositely arranged; wherein:
the holding body is provided with a first guide cavity in the direction perpendicular to the moving direction of the first moving body, and a second guide cavity and a first valve cavity in the direction parallel to the moving direction of the first moving body; the first valve cavity is formed on the first channel, the push rod is arranged in the first guide cavity, the inclined block is arranged in the second guide cavity, the first valve core is arranged in the first valve cavity, the first valve core is connected with the inclined block through the first valve rod, when the first valve core is positioned at one end, close to the tail end of the retaining body, of the first valve cavity, the first valve core blocks the first channel, when the first valve core is positioned at one end, close to the head end of the retaining body, of the first valve cavity, the first valve core enables the first channel to be communicated, the upper end of the push rod is abutted to the inclined plane of the inclined block, and the lower end of the push rod and the tail end of the clamp body are respectively provided with two electromagnets; when the first moving body moves to a first preset position towards the head end of the holding body, the first moving body forces the telescopic rod group to extend to push the tail end of the pincer body, the pincer body pushes the push rod to move upwards through repulsive force of the two electromagnets, and the upper end of the push rod pushes the inclined block to move towards the tail end of the holding body through matching with the inclined plane so as to drive the first valve core to move to block the first channel;
the second moving body controls the on-off of the second channel through a second control assembly; the second control assembly includes a second valve stem and a second valve spool; the first moving body is internally provided with a second valve cavity perpendicular to the moving direction of the second moving body, the second valve cavity is formed on the second passage, the second valve core is arranged in the second valve cavity, when the second valve core moves to the upper end of the second valve cavity, the second passage is communicated, when the second valve core moves to the lower end, the second passage is blocked, and the upper end of the second valve rod is connected with the second valve core, wherein:
and the second moving body is provided with a bulge, and when the second moving body moves to a second preset position towards the head end of the holding body, the bulge pushes the second valve rod, so that the second valve rod pushes the second valve core to move upwards to conduct the second channel.
2. The clamping device for cecum surgery as recited in claim 1, wherein a head end of the second moving body is provided with a second piston, the second chamber extends to a head end of the first moving body and forms a throat for ejecting liquid at the head end, so that the head end of the first moving body sucks the liquid into the second chamber when the second moving body moves toward a tail end of the holding body, and so that the liquid is ejected from the head end of the first moving body when the second moving body moves toward the head end of the holding body.
3. The clamping device for cecal surgery of claim 2, characterized in that the first valve chamber is provided with a first spring for pushing the first valve spool towards the head end of the retainer body; and a second spring is arranged in the second valve cavity and used for pushing the second valve core downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020712.5A CN108078609B (en) | 2016-11-21 | 2016-11-21 | Clamping device for cecum surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020712.5A CN108078609B (en) | 2016-11-21 | 2016-11-21 | Clamping device for cecum surgery |
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| CN108078609A CN108078609A (en) | 2018-05-29 |
| CN108078609B true CN108078609B (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611020712.5A Active CN108078609B (en) | 2016-11-21 | 2016-11-21 | Clamping device for cecum surgery |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571129A (en) * | 1995-05-15 | 1996-11-05 | Portlyn Corporation | Surgical cutting instrument with improved cleaning capability and ease of use |
| DE19908593C2 (en) * | 1999-02-27 | 2001-10-31 | Winter & Ibe Olympus | Surgical instrument |
| JP4316821B2 (en) * | 2000-05-04 | 2009-08-19 | エルベ エレクトロメディジン ゲーエムベーハー | Surgical instruments that require minimal insertion |
| US8585736B2 (en) * | 2010-06-02 | 2013-11-19 | Covidien Lp | Apparatus for performing an electrosurgical procedure |
| US9427251B2 (en) * | 2013-03-13 | 2016-08-30 | Covidien Lp | Saber tooth harvester |
| WO2014155743A1 (en) * | 2013-03-29 | 2014-10-02 | 国立大学法人 東京工業大学 | Forceps |
| JP6329560B2 (en) * | 2013-10-29 | 2018-05-23 | オリンパス株式会社 | Endoscopic treatment tool and endoscope system |
| CN103603975B (en) * | 2013-11-26 | 2015-10-28 | 湖南特力液压有限公司 | Multistage hydraulic cylinder |
| DE102013114557B4 (en) * | 2013-12-19 | 2017-05-11 | Karl Storz Gmbh & Co. Kg | Medical instrument with flexible toothed belt |
| CN204016443U (en) * | 2014-08-04 | 2014-12-17 | 李峰 | A kind of foreign body in trachea clamp device |
| CN204016448U (en) * | 2014-08-04 | 2014-12-17 | 李峰 | A kind of trachea foreign body forceps caliper |
| CN204133545U (en) * | 2014-09-16 | 2015-02-04 | 蒋志强 | Percutaneous kidney pus and blood forceps |
| CN204542268U (en) * | 2015-04-20 | 2015-08-12 | 马国荣 | A kind of air pressure drives Blood calldack formula mosquito forceps |
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2016
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