CN106974681B - Operation specimen fetching bag and using method thereof - Google Patents
Operation specimen fetching bag and using method thereof Download PDFInfo
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- CN106974681B CN106974681B CN201710258258.5A CN201710258258A CN106974681B CN 106974681 B CN106974681 B CN 106974681B CN 201710258258 A CN201710258258 A CN 201710258258A CN 106974681 B CN106974681 B CN 106974681B
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- bag
- wire
- operating handle
- fixed
- outer tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic 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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
Abstract
The invention discloses an operation specimen fetching bag, wherein one end of the operation specimen fetching bag is fixed with the fetching bag, and the other end of the operation specimen fetching bag penetrates through a hem of the bag opening of the fetching bag to tighten the bag opening through knotting and winding modes at two ends of a thread. The fixed line of distal end passes the action bars inner tube to operating handle, utilizes the fixed line to hold the resistance that the card wire casing of design comes to anti thing bag income action bars inner tube at operating handle, reaches the fixed purpose of getting the thing bag body, loosens the fixed line and can realize getting the release of thing bag body from the card wire casing to realize that the operation sample thing bag is fixed and is released through convenient operation in operating handle end. The invention also provides a using method of the operation specimen fetching bag.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a surgical specimen fetching bag.
Background
With the popularization of minimally invasive surgery, the surgical specimen fetching bag is widely applied to the minimally invasive surgery as a tissue specimen and surgical excision fetching device. The operation specimen fetching bag generally comprises a bag body and an operating rod: the bag body is usually made of a long conical water-proof textile or a high polymer material; the operating lever is typically made from an operating handle in combination with metal or plastic tubing. In the minimally invasive surgery process, the sample bag is conveyed into a body from the instrument channel through the operation of the operation handle, a tissue sample or surgical excision is placed into the sample bag, and the bag is locked and taken out from the instrument channel through the operation of the pull wire at the end of the operation handle.
In minimally invasive surgery such as laparoscopic surgery, a surgical specimen fetching bag enters a body through an established instrument channel, the surgical specimen fetching bag usually has three states of ① receiving an operating rod, ② entering a human body for releasing, and ③ closing after a specimen is placed in the bag, and the release of the state of the surgical specimen fetching bag is realized by the operation of operating a handle end in the using process, as shown in fig. 10, U.S. patent No. 9,414,817(Taylor, et al, August 16,2016) uses a far-end fork-shaped fixing device to fix the bag, and combines a spring to release the bag, so as to achieve the purposes of receiving the bag into the operating rod and releasing the bag into a patient.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a bag for taking surgical specimens, which simplifies the manufacturing process of the bag for taking surgical specimens and the operation steps of taking out the specimens or the resection objects during the surgery.
The invention provides a bag for fetching operation specimen, which is characterized by comprising:
the operating handle A and the outer tube are integrally arranged, and the operating handle A is arranged at one end of the outer tube;
the operating handle B and the inner tube are integrally arranged, the operating handle B is arranged at one end of the inner tube, and the inner tube penetrates through the outer tube;
the plug is arranged at the other end of the inner pipe, the end is a pipe orifice end of the inner pipe, and the plug is fixedly connected with the inner pipe;
the fetching bag supporting device comprises an annular part and a long arm part, the two parts are integrally arranged, and the annular part is connected with the plug through the long arm part;
the bag opening of the bag is provided with a hollow annular edge and is sleeved on the annular part;
the wire clamping device comprises a wire clamping groove and a fixing groove, the wire clamping groove is arranged in the middle of the operating handle B, and the fixing groove is arranged at one end of the operating handle B;
the pull wire penetrates through the inner hollow annular edge of the bag opening of the object taking bag, one end of the pull wire is a movable wire, and the other end of the pull wire is a fixed wire; the two ends of the movable wire are respectively a fixed end of the movable wire and a free end of the movable wire, and the two ends of the fixed wire are respectively a fixed end of the fixed wire and a free end of the fixed wire;
the fixing wire fixing end is provided with a dead buckle on the annular part, the free end of the fixing wire penetrates through the inner pipe to be wound on the wire clamping groove, and the tail end of the free end of the fixing wire is fixed on the fixing groove; the fixed end of the movable wire penetrates through the inside of the dead buckle, and the free end of the movable wire is exposed out of the end B of the operating handle.
As a further improvement of the invention, the length of the fixing line from the dead buckle to the wire clamping groove is equal to the length of the inner tube.
As a further improvement of the present invention, the operating handle a and the operating handle B are located at the same end of the outer tube.
As a further improvement of the invention, at least one through hole is arranged on the operating handle B, and the through hole is communicated with one end of the inner tube.
As a further improvement of the present invention, the movable wire penetrates through the inner tube and the through hole.
As a further improvement of the invention, the stay wire is made of composite chemical fiber, nylon, fiber and cotton-flax.
As a further improvement of the invention, the material of the fetching bag supporting device is an elastic material.
As a further improvement of the invention, the material of the bag is a waterproof textile material or a high polymer material.
As a further improvement of the invention, the outer pipe and the inner pipe are made of metal or plastic pipes.
The invention also provides a using method of the operation specimen fetching bag, which is characterized by comprising the following steps:
step 1, holding the operating handle A by one hand and holding the operating handle B by the other hand and pulling backwards to enable the fetching bag supporting device and the fetching bag to be accommodated in the outer pipe;
and 5, tensioning the free end of the movable wire, tightening the opening of the article taking bag, holding the operating handle B by one hand and pulling the operating handle B backwards to move the article taking bag out of the body.
The invention has the beneficial effects that: through knotting and winding of two ends of a thread, one end of the thread is fixed with the object taking bag, and the other end of the thread penetrates through the hem of the bag opening of the object taking bag to tighten the bag opening. The fixed line of distal end passes the action bars inner tube to operating handle, utilizes the fixed line to hold the resistance that the card wire casing of design comes to anti thing bag income action bars inner tube at operating handle, reaches the fixed purpose of getting the thing bag body, loosens the fixed line and can realize getting the release of thing bag body from the card wire casing to realize that the operation sample thing bag is fixed and is released through convenient operation in operating handle end.
Drawings
Fig. 1 is a schematic structural view of a surgical specimen retrieval bag according to an embodiment of the present invention;
fig. 2 is a schematic view of a winding manner of a fixed wire and a movable wire near an end of an object-taking bag according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a bag with a movable line and a fixed line according to an embodiment of the present invention;
fig. 4 is a front view of a bag with movable and stationary threads attached thereto according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of the operating handle end fixing wire and the movable wire wound in accordance with the embodiment of the present invention;
FIG. 6 is a front view of the operating handle end fixing wire and the movable wire in a winding manner according to the embodiment of the present invention;
FIG. 7 is a schematic view of the connection between the operating handle A and the outer tube according to the embodiment of the present invention;
FIG. 8 is a schematic view of the connection between the inner tubes of the operating handle B according to the embodiment of the present invention;
FIG. 9 is a cross-sectional view of an inner tube according to an embodiment of the present invention;
FIG. 10 is a schematic view of a forked hook and spring combination pouch securement and release device as described in U.S. patent 9,414,817;
FIG. 11 schematic representation of GeniStrong product from Genicon corporation, USA.
In the figure, the position of the upper end of the main shaft,
1. an object fetching bag supporting device; 2. an outer tube; 3. an operating handle A; 4. an inner tube; 5. an operating handle B; 6. a movable wire; 6-1, a movable wire fixing end; 6-2, free end of movable wire; 7. fixing the wire; 7-1, fixing the wire fixing end; 7-2, fixing the free end of the wire; 8. fetching bags; 9. fastening; 10. a wire clamping groove; 11. a fixing groove 12 and a plug; 13. and a through hole.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Embodiment 1, as shown in fig. 1, a surgical specimen retrieval bag according to a first embodiment of the present invention includes:
the operating handle A3 and the outer tube 2 are integrally arranged, and the operating handle A3 is arranged at one end of the outer tube 2.
The operating handle B5 and the inner tube 4 are integrally arranged, the operating handle B5 is arranged at one end of the inner tube 4, and the inner tube 4 penetrates through the outer tube 2.
And the plug 12 is arranged at the other end of the inner pipe 4, the end is the pipe orifice end of the inner pipe 4, the plug 12 is fixedly connected with the inner pipe 4, and the plug 12 can move along with the inner pipe 4.
Get thing bag strutting arrangement 1, it includes cyclic annular part and long arm portion and two parts set up as an organic whole, this cyclic annular part is used for supporting the sack of getting thing bag 8, and the cyclic annular part links to each other with stopper 12 through long arm portion to make inner tube 4 and get thing bag strutting arrangement 1 link together, can realize getting income and release of thing bag strutting arrangement 1 through operation inner tube 4.
The bag opening of the fetching bag 8 is provided with a hollow annular edge and is sleeved on the annular part, and the fetching bag 8 is used for placing operation specimens or excision objects.
The wire clamping device comprises a wire clamping groove 10 and a fixing groove 11, the wire clamping groove 10 is arranged in the middle of the operating handle B5, and the fixing groove 11 is arranged at one end of the operating handle B5.
The pull line penetrates through the inner hollow annular edge of the bag opening of the fetching bag 8, one end of the pull line is a movable line 6, and the other end of the pull line is a fixed line 7; two ends of the movable wire 6 are respectively a fixed end 6-1 of the movable wire and a free end 6-2 of the movable wire, and two ends of the fixed wire 7 are respectively a fixed end 7-1 of the fixed wire and a free end 7-2 of the fixed wire.
Wherein, the fixing thread fixing end 7-1 is provided with a dead buckle 9 on the annular part to fix the object-taking bag 8 on the annular part, so that the annular part and the object-taking bag 8 form a whole. The free end 7-2 of the fixed wire penetrates through the inner pipe 4 and is wound on the wire clamping groove 10, and the number of winding turns of the free end 7-2 of the fixed wire in the wire clamping groove 10 is determined by the sliding friction force of the fixed wire 7 pulling the bag body of the bag 8. The sliding friction force of the fixing line 7 for pulling the bag 8 is greater than or equal to the resistance force of the bag 8 in the inner tube 4, and the calculation formula of the sliding friction force of the fixing line 7 for pulling the bag 8 is as follows:
f＝μΝ，
mu represents the friction coefficient and is determined by the material and the thickness of the fixed wire, the material of the handle of the operating rod, the opening design of the clamping groove, the number of winding turns and the winding method;
n represents the resistance of the bag body of the object-taking bag 8 in the outer tube 2, and is determined by the size, the material, the thickness and the material of the tube;
the pulling resistance N is a fixed value under the given bag body and pipe conditions, but according to the lever principle, a reasonable winding scheme and winding turns are designed, so that the pulling resistance N can be effectively reduced;
under the premise of a fixed bag body and a pipe material, the bag body of the object taking bag is required to be smoothly put into the outer pipe,
firstly, the sliding friction coefficient is increased, and the method can be realized by selecting a proper fixing line material and a reasonable clamping groove design;
secondly, reduce resistance N through reasonable in design wire winding scheme and guarantee to realize the intraductal of income action bars that the distal end bag body can be smooth through the pull of operating handle end.
Further, the length of the fixing line 7 from the dead buckle 9 to the line clamping groove 10 is equal to that of the inner tube 4, so that the bag 8 which is put into the outer tube 2 can be ensured to release the tube body smoothly.
Further, the inner tube 4 penetrates the outer tube 2, the operating handle A3 and the operating handle B5 are located at the same end of the outer tube 2, the object-taking bag supporting device 1 and the object-taking bag 8 can be contained in the outer tube 2 by holding the operating handle B5 and pulling backwards, and the object-taking bag supporting device 1 and the object-taking bag 8 can be released from the outer tube 2 by holding the operating handle B5 and pushing forwards.
Furthermore, at least one through hole 13 is formed in the handheld portion of the operating handle B5, the through hole 13 is communicated with one end of the inner tube 4, and the through holes 13 can be formed in both sides of the handheld portion of the operating handle B5 and communicated with one end of the inner tube 4 for the sake of appearance or symmetry.
Further, the active wire 6 runs through the inner tube 4 and the through hole 13: the movable wire 6 penetrates through the dead buckle 9 and then penetrates into the inner tube 4, penetrates through any one through hole 13 on the operating handle B5 through the inner tube 4, and finally the free end 6-2 of the movable wire penetrates through the through hole 13 and is exposed out of one end of the operating handle B5.
Furthermore, the stay wire is made of composite chemical fiber, nylon, fiber and cotton-flax, each material corresponds to different friction coefficients, and the stay wires made of different materials can be selected according to the resistance of the outer tube 2 when the object-taking bag 8 is put in.
Further, the material of the object-taking bag support device 1 is an elastic material, when the object-taking bag 8 is moved into the human body, the object-taking bag 8 needs to be put into the outer tube 2, the annular portion of the object-taking bag support device 1 becomes in a straight line shape, after the object-taking bag 8 enters the human body, the object-taking bag 8 needs to be released and opened, the annular portion in the straight line shape is required to be restored to the annular shape at this time, and therefore the material of the object-taking bag support device 1 needs to be selected to be a high-elasticity material.
Furthermore, the material of the object-taking bag 8 is a water-proof textile material or a high molecular material, so that the object-taking bag 8 is prevented from leaking after the operation specimen or the excision object is placed in the object-taking bag.
Further, the outer pipe 2 and the inner pipe 4 are made of metal or plastic pipes.
In embodiment 2, a method of using a surgical specimen retrieval bag according to a second embodiment of the present invention includes:
step 1, one hand holds the operating handle A3, the other hand holds the operating handle B5 and pulls backwards, so that the fetching bag supporting device 1 and the fetching bag 8 are both put into the outer tube 2. When pulling operating handle B5 backward, because get thing bag strutting arrangement 1 and inner tube 4 and be connected as a whole, so get thing bag strutting arrangement 1 and can move along with inner tube 4, when getting thing bag strutting arrangement 1 and remove to outer tube 2 and block when its mouth of pipe, continue to pull operating handle B5 backward, because get thing bag strutting arrangement 1 and receive outer tube 2 and get the high elasticity of thing bag strutting arrangement 1 material self, get thing bag strutting arrangement 1 and can become a style of calligraphy and get into outer tube 2 in, because get thing bag 8 covers at cyclic annular portion, the event gets the thing bag and also can get into in outer tube 2 along with getting thing bag strutting arrangement 1 together.
And 2, pulling the operating handle B5 by one hand to keep the fetching bag supporting device 1 and the fetching bag 8 in the state of being accommodated in the outer tube 2, holding and moving the operating handle A3 by the other hand, and sending the fetching bag 8 accommodated in the outer tube 2 to the position of the surgical specimen or the excision through the instrument channel.
And step 3, holding the operating handle A3 by one hand, and pushing the operating handle B5 forwards by the other hand to release the fetching bag supporting device 1 and the fetching bag 8 from the outer tube 2, wherein due to the high elasticity of the material of the fetching bag supporting device 1, the annular part automatically returns to be annular when the fetching bag is released from the outer tube 2, so that the bag opening of the fetching bag 8 is naturally opened.
And 4, placing the operation specimen or the excision object into the object taking bag 8 according to the operation requirement.
And 5, tensioning the free end 6-2 of the movable line, and tightening the bag opening of the bag 8, wherein the bag opening can be tightened due to the friction force between the line and the folded part at the free end 6-2 of the movable line because the edge of the bag opening of the bag 8 is provided with a plurality of folded parts. The operating handle B5 is held by one hand and pulled backwards, and the operating handle A3 is moved to move the object-taking bag 8 out of the body.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A surgical specimen retrieval bag, comprising:
the device comprises an operating handle A (3) and an outer tube (2), wherein the operating handle A (3) and the outer tube (2) are integrally arranged, and the operating handle A (3) is arranged at one end of the outer tube (2);
the inner tube (4) is arranged in the outer tube (2), the operating handle B (5) and the inner tube (4) are integrally arranged, the operating handle B (5) is arranged at one end of the inner tube (4), and the inner tube (4) penetrates through the outer tube (2);
the plug (12) is arranged at the other end of the inner pipe (4), the end is a pipe orifice end of the inner pipe (4), and the plug (12) is fixedly connected with the inner pipe (4);
the fetching bag supporting device (1) comprises a ring-shaped part and a long arm part, wherein the ring-shaped part and the long arm part are integrally arranged, and the ring-shaped part is connected with the plug (12) through the long arm part;
the bag opening of the bag (8) is provided with a hollow annular edge and is sleeved on the annular part;
the wire clamping device comprises a wire clamping groove (10) and a fixing groove (11), the wire clamping groove (10) is arranged in the middle of the operating handle B (5), and the fixing groove (11) is arranged at one end of the operating handle B (5);
the pull wire penetrates through the inner hollow annular edge of the bag opening of the object taking bag (8), one end of the pull wire is a movable wire (6), and the other end of the pull wire is a fixed wire (7); two ends of the movable wire (6) are respectively a movable wire fixed end (6-1) and a movable wire free end (6-2), and two ends of the fixed wire (7) are respectively a fixed wire fixed end (7-1) and a fixed wire free end (7-2);
the fixing wire fixing end (7-1) is provided with a dead buckle (9) at the annular part, the fixing wire free end (7-2) penetrates through the inner pipe (4) to be wound on the wire clamping groove (10), and the tail end of the fixing wire free end (7-2) is fixed on the fixing groove (11); the fixed end (6-1) of the movable wire penetrates through the dead buckle (9), and the free end (6-2) of the movable wire is exposed out of the end of the operating handle B (5);
the sliding friction force of the bag body of the object taking bag (8) dragged by the fixing line (7) is greater than or equal to the resistance force of the object taking bag (8) in the inner pipe (4), and the calculation formula of the sliding friction force of the bag body of the object taking bag (8) dragged by the fixing line (7) is as follows:
mu N, wherein mu is a friction coefficient, and N is the resistance of the bag body of the object-taking bag (8) in the outer tube (2).
2. The surgical specimen retrieval bag of claim 1, wherein the length of the securing line (7) from the dead buckle (9) to the snap groove (10) is equal to the length of the inner tube (4).
3. Bag according to claim 1, characterized in that said operating handle a (3) and said operating handle B (5) are located at one end of said outer tube (2).
4. Bag according to claim 1, characterized in that said operating handle B (5) is provided with at least one through hole (13) and said through hole (13) communicates with one end of said inner tube (4).
5. Bag according to claim 4, characterized in that said active thread (6) passes through said inner tube (4) and said through hole (13).
6. The surgical specimen retrieval bag of claim 1, wherein the pull cord is made of fiber or cotton-flax.
7. Bag according to claim 1, characterized in that said bag support means (1) are made of elastic material.
8. Bag according to claim 1, characterized in that the material of the bag (8) is a water-proof textile material or a polymer material.
9. Bag according to claim 1, characterized in that said outer tube (2) and said inner tube (4) are made of metal or plastic tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258258.5A CN106974681B (en) | 2017-04-19 | 2017-04-19 | Operation specimen fetching bag and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258258.5A CN106974681B (en) | 2017-04-19 | 2017-04-19 | Operation specimen fetching bag and using method thereof |
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| CN106974681A CN106974681A (en) | 2017-07-25 |
| CN106974681B true CN106974681B (en) | 2020-05-05 |
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| CN201710258258.5A Active CN106974681B (en) | 2017-04-19 | 2017-04-19 | Operation specimen fetching bag and using method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882018A (en) * | 2019-12-26 | 2020-03-17 | 黄香 | Abdominal cavity object fetching bag |
| CN112353436A (en) * | 2020-11-26 | 2021-02-12 | 浙江优亿医疗器械股份有限公司 | Specimen fetching bag and locking mechanism thereof |
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| CN2885133Y (en) * | 2005-12-31 | 2007-04-04 | 秦秀菊 | Device for fetching out sample under abdominoscope |
| CN202096231U (en) * | 2011-04-09 | 2012-01-04 | 嘉兴维阁医疗器械有限公司 | Article taking device |
| CN104546028A (en) * | 2015-01-27 | 2015-04-29 | 联合微创医疗器械（深圳）有限公司 | Repetitively-openable sample pickup bag |
| CN205215330U (en) * | 2015-11-30 | 2016-05-11 | 桐庐前沿医疗科技有限公司 | Laparoscopic surgery once only gets sundries |
| CN105943093A (en) * | 2016-07-08 | 2016-09-21 | 江苏风和医疗器材有限公司 | Medical extraction device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8057485B2 (en) * | 2007-03-06 | 2011-11-15 | The Hollis Group | Specimen retrieval device |
| US8075567B2 (en) * | 2007-03-22 | 2011-12-13 | Anchor Products Company | Surgical tissue retrieval instrument |
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2017
- 2017-04-19 CN CN201710258258.5A patent/CN106974681B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2885133Y (en) * | 2005-12-31 | 2007-04-04 | 秦秀菊 | Device for fetching out sample under abdominoscope |
| CN202096231U (en) * | 2011-04-09 | 2012-01-04 | 嘉兴维阁医疗器械有限公司 | Article taking device |
| CN104546028A (en) * | 2015-01-27 | 2015-04-29 | 联合微创医疗器械（深圳）有限公司 | Repetitively-openable sample pickup bag |
| CN205215330U (en) * | 2015-11-30 | 2016-05-11 | 桐庐前沿医疗科技有限公司 | Laparoscopic surgery once only gets sundries |
| CN105943093A (en) * | 2016-07-08 | 2016-09-21 | 江苏风和医疗器材有限公司 | Medical extraction device |
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